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Title:
A CONVEYING MECHANISM FOR TRANSFERRING UNFINISHED AND FINISHED RUBBER COT ARBOURS IN AN AUTOMATIC RUBBER COT GRINDING OR BUFFING MACHINE
Document Type and Number:
WIPO Patent Application WO/2018/047196
Kind Code:
A1
Abstract:
Disclosed is a conveying mechanism for transferring finished and unfinished rubber cots to and from storage magazine respectively in the rubber cot grinding and/or buffing machine. At each loading and unloading points of the rubber cot grinding and/or buffing machine such conveying mechanisms are provided. The conveying mechanism includes a linear arm assembly (40, 40') and a guide arm assembly (50, 50'). The linear arm assembly (40, 40') comprises a linear vertical arm (41, 41') and a linear horizontal arm (42, 42') having a guiding track (45, 45'). The linear vertical arm (41) moves horizontally over the linear horizontal arm (42, 42'). The guide arm assembly (50, 50') is movable vertically on the linear rail (44, 44') of linear vertical arm. The conveying mechanism also includes a control unit being operatively connected to the linear arm assembly (40, 40') and the guide arm assembly (50, 50') to control operations of the linear arm assembly (40, 40') and the guide arm assembly (50, 50').

Inventors:
MEVADA, Jitendra Ishwarbhai (11 Hasubhai Park, Opp: Shalin Bunglows,Thaltej, Ahmedabad 2, 380052, IN)
MISTRY, Naresh Amrutlal (102 Manekbaug Society, Ambawadi, Ahmedabad 5, 380015, IN)
Application Number:
IN2017/050108
Publication Date:
March 15, 2018
Filing Date:
March 23, 2017
Export Citation:
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Assignee:
MEVADA, Jitendra Ishwarbhai (11 Hasubhai Park, Opp: Shalin Bunglows,Thaltej, Ahmedabad 2, 380052, IN)
MISTRY, Naresh Amrutlal (102 Manekbaug Society, Ambawadi, Ahmedabad 5, 380015, IN)
International Classes:
B24B41/00; B23Q7/14; B24B5/37; B65G65/00; D01H5/80
Domestic Patent References:
WO2008059527A22008-05-22
Foreign References:
US4343590A1982-08-10
US1933225A1933-10-31
IN1684MU2006A2006-10-12
Attorney, Agent or Firm:
TRIVEDI, Gopi Jatin (Yagnajyot, Opp Kashiram Hall,,Polytechnic, Ahmedabad, 80015, IN)
Download PDF:
Claims:
CLAI MS

1. A conveying system for transferring unfinished rubber cot arbours from a storage magazine to a measuring unit, at a loading point, in a rubber cot arbour grinding and/or buffing machine, the conveying system comprising: a linear arm assembly (40) comprising:

- a vertical linear arm (41) having a linear rail (44),

- a linear bracket (43) being fixed on the vertical linear arm (41),

- a slidable component (46) attached to the linear bracket (43),

- a linear horizontal arm (42) having a guiding track (45), the linear vertical arm (41) moves horizontally through the guiding track (45) and slidable component (46); a guide arm assembly (50) being movable vertically on the linear rail (44) of vertical linear arm, the guide arm assembly comprises:

- a main mounting bracket (52) being slidably mounted on the linear rail (44) of vertical linear arm to move vertically,

- a linear rail (53) fixed on the mounting bracket (52), the linear rail (53) comprises a pair of sliders (59) moving on the linear rail (53),

- a pair of holding arms (57, 58) for carrying the rubber cot arbours (30), the holding arms (57, 58) mounted on the sliders through a arm mounting brackets (54),

- the arm mounting brackets (54) being adjustably mounted on the linear rail (53); and a control unit being operatively connected to the linear arm assembly (40) and the guide arm assembly (50) to control operations of the linear arm assembly (40) and the guide arm assembly (50).

The conveying system as claimed in claim 1 wherein each of the holding arm (57, 58) include "V" shaped structure with holding platform (61) and one of the arm (57, 58) having a slot (60).

The conveying system as claimed in claim 1 wherein the control unit is configured to control horizontal movement of the linear vertical arm (41) and vertical movement of the guide arm assembly (50).

The conveying system as claimed in any one of the claim 1 or 3 wherein the control unit is electronic control unit.

The conveying system as claimed in claim 4 wherein the electronic control unit comprises at least one processor.

The conveying system as claimed in any one of the claim 1 or 3 wherein the control unit is electro pneumatic control unit.

A conveying system for transferring finished rubber cot arbours , at unloading point, from a rubber cot arbour grinding and/or buffing machine to a storage magazine, the conveying system comprising: a linear arm assembly (40') comprising:

- a linear vertical arm (41') having a linear rail (44'),

- a slidable component (46') attached to the linear vertical arm (41% - a linear horizontal arm (42') having a guiding track (45'), the linear vertical arm (41') moves horizontally through the guiding track (45') and slidable component (46'); a guide arm assembly (50') being movable vertically on the linear rail (44') of vertical linear arm, the guide arm assembly comprises:

- a main mounting bracket (52') being slidably mounted on the linear rail (44') of vertical linear arm to move vertically,

- a linear rail (53') fixed on the mounting bracket (52'), the linear rail (53') comprises a pair of slider (59') moving on the linear rail (53'),

- a pair of holding arms (57', 58') for carrying the rubber cot arbours (30'), the holding arms (57', 58') mounted on the sliders through a arm mounting brackets (54'),

- the arm mounting brackets (54') being adjustably mounted on the linear rail (53'); and a control unit being operatively connected to the linear arm assembly (40') and the guide arm assembly (50') to control operations of the linear arm assembly (40') and the guide arm assembly (50').

8. The conveying system as claimed in claim 7 wherein each of the holding arm (57', 58') include "V" shaped structure with holding platform (61') and one of the arm (57', 58') having a slot (60').

9. The conveying system as claimed in claim 7 wherein the control unit is configured to control horizontal movement of the linear vertical arm (41') and vertical movement of the guide arm assembly (50').

10. The conveying system as claimed in any one of the claim 7 or 9 wherein the control unit is electronic control unit.

11. The conveying system as claimed in claim 10 wherein the electronic control unit comprises at least one processor.

12. The conveying system as claimed in any one of the claim 7 or 9 wherein the control unit is electro pneumatic control unit. 13. A rubber cot arbour grinding and/or buffing machine comprising a conveying system of claim 1 at loading point for transferring unfinished rubber cot arbours from a storage magazine to a measuring unit of the rubber cot arbour grinding and/or buffing machine and a conveying system of claim 7 at unloading point for transferring finished rubber cot arbours from the rubber cot arbour grinding and/or buffing machine to a storage magazine.

Description:
"A CONVEYI NG MECHANI SM FOR TRANSFERRI NG UNFI Nl SHED AND Fl Nl SHED RUBBER COT ARBOURS I N AN AUTOMATI C RUBBER COT GRI NDI NG OR BUFFI NG

MACHI NE"

Fl ELD OF I NVENTI ON:

The invention relates to a field of textile machinery. More particularly it relates to the automatic rubber cot grinding and/or buffing machine. Specifically it relates to conveying mechanism for transferring finished and unfinished rubber cots to and from storage magazine respectively in the rubber cot grinding and/or buffing machine.

PRI OR ART: In textile machinery rubber cot arbours are widely used. The rubber cot arbours are very dedicated articles. For the purpose of finishing, the unfinished arbours are loaded manually in the stationary storage magazine of the rubber cot grinding or buffing machine. From stationary storage magazine the unfinished rubber cot arbours are conveyed to measuring unit for further processing. In a same way, once the rubber cot abrours are finished, they are conveyed from measuring unit to the stationary storage magazine of the rubber cot grinding or buffing machine. Indian patent application No. 1684/ MUM/ 2006 which belongs to inventor of present application discloses a Conveyer system for conveying unfinished and finished rubber cot arbours. This conveyor system being used in an automatic rubber cot arbour grinding or buffing machine comprising a unfinished rubber cot arbour storage unit, a finished rubber cot arbour storage unit, a measuring unit, a loading unloading carriage. The conveyor system comprising: a pair of conveyer units one for conveying unfinished rubber cot arbour from the unfinished rubber cot arbour storage unit to the measuring unit or the loading unloading carriage of the automatic rubber cot grinding or buffing machine and another conveyer unit for conveying finished rubber cot arbour from the loading unloading carriage to the finished rubber cot arbour storage unit, each of the said conveyer unit comprises a plurality of jaws having inclined slot mounted on a chain moving on a pair of chain wheels driven by a prime mover with a driving mechanism, the said Jaws with chain and chain wheels mounted on a pair of light columns, one of the said light column being fixed and other adjustable according to the size and gauge of the rubber cot arbours, the said pair of light columns being mounted on a pair of strong columns and the said pair of strong columns adopted to be fixed on a frame of the automatic rubber cot arbour grinding or buffing machine.

The conveyor system disclosed in above mentioned patent application suffers from below the following deficiencies: i. The conveyor system is not smooth and reliable.

ii. The conveyor system is complicated in design and requires more maintenance cost.

iii. Operations involved in conveying the rubber cot arbours are not fully controlled and automated.

iv. There is always possibility of damage to the rubber cot arbours during conveying operations.

v. The efficiency of buffing machine is higher that of conveying the rubber cot arbours to it due to involvement of mechanical parts of the conveyor. This leads to overall poor efficiency of the machine.

Hence it is necessary to develop a conveying mechanism to transport rubber cot arbours within the automatic rubber cot arbour grinding or buffing machine which will be free from foregoing problems. OBJECT OF THE I NVENTI ON:

The principle objective of the present invention is to provide conveying mechanism for transferring finished and unfinished rubber cots to and from storage magazine respectively in the rubber cot grinding and/or buffing machine which conveying mechanism is devoid of the deficiencies associated with the conventional rubber cot conveying mechanisms. Further objective of the invention is to provide the conveying mechanism for transferring finished and unfinished rubber cots to and from storage magazine respectively in the rubber cot grinding and/or buffing machine which conveying mechanism protects rubber cot arbours from damage occurred due to conventional conveying mechanism.

Another objective of the invention is to provide the conveying mechanism for transferring finished and unfinished rubber cots to and from storage magazine respectively in the rubber cot grinding and/or buffing machine which conveying mechanism ensures fast and error less transport of rubber cots.

Another objective of the invention is to provide the conveying mechanism for transferring finished and unfinished rubber cots to and from storage magazine respectively in the rubber cot grinding and/or buffing machine which conveying mechanism ensures smooth and controlled transport of rubber cots within the rubber cot grinding and/or buffing machine.

Another objective of the invention is to provide the conveying mechanism for transferring finished and unfinished rubber cots to and from storage magazine respectively in the rubber cot grinding and/or buffing machine which conveying mechanism is reliable. Another objective of the invention is to provide the conveying mechanism for transferring finished and unfinished rubber cots to and from storage magazine respectively in the rubber cot grinding and/or buffing machine which provides highly efficient conveying system which in turn increases the efficiency of the buffing machine.

Still another objective of the invention is to provide the conveying mechanism for transferring finished and unfinished rubber cots to and from storage magazine respectively in the rubber cot grinding and/or buffing machine which almost nullify the need of human operator during conveying operations.

SUMMARY OF THE I NVENTI ON:

Accordingly to achieve the aforesaid objectives, the present invention provides a conveying system for transferring unfinished rubber cot arbours from a storage magazine to a measuring unit, at a loading point, in a rubber cot arbour grinding and/or buffing machine, the conveying system comprising: a linear arm assembly comprising:

- a linear vertical arm having a linear rail,

- a linear bracket being fixed on the linear vertical arm,

- a slidable component attached to the linear bracket,

- a linear horizontal arm having a guiding track, the linear vertical arm moves horizontally through the guiding track and slidable component; a guide arm assembly being movable vertically on the linear rail of linear vertical arm, the guide arm assembly comprises:

- a main mounting bracket being slidably mounted on the linear rail of linear vertical arm to move vertically, - a linear rail fixed on the mounting bracket, the linear rail comprises a pair of sliders moving on the linear rail,

- a pair of holding arms for carrying the rubber cot arbours, the holding arms mounted on the sliders through a arm mounting brackets,

- the arm mounting brackets being adjustably mounted on the linear rail; and a control unit being operatively connected to the linear arm assembly and the guide arm assembly to control operations of the linear arm assembly and the guide arm assembly.

Also provided is a conveying system for transferring finished rubber cot arbours, at unloading point, from a rubber cot arbour grinding and/or buffing machine to a storage magazine, the conveying system comprising: a linear arm assembly comprising:

- a vertical linear arm having a linear rail,

- a slidable component attached to the linear vertical arm, - a linear horizontal arm having a guiding track, the linear vertical arm moves horizontally through the guiding track and slidable component; a guide arm assembly being movable vertically on the linear rail of vertical linear arm, the guide arm assembly comprises:

- a main mounting bracket being slidably mounted on the linear rail of linear vertical arm to move vertically, - a linear rail fixed on the mounting bracket, the linear rail comprises a pair of slider moving on the linear rail,

- a pair of holding arms for carrying the rubber cot arbours, the holding arms mounted on the sliders through a arm mounting brackets,

- the arm mounting brackets being adjustably mounted on the linear rail; and a control unit being operatively connected to the linear arm assembly and the guide arm assembly to control operations of the linear arm assembly and the guide arm assembly.

Typically, the control unit is configured to control horizontal movement of the linear vertical arm and vertical movement of the guide arm assembly. The control unit is either electronic control unit or electro pneumatic control unit. The control unit comprises at least one processor.

The present invention also provides a rubber cot arbour grinding and/or buffing machine comprising conveying systems as defined above.

BRI EF DESCRI PTI ON OF DRAWI NGS:

Figures Shows different views of the guide arm assembly being part of 5 & 6 conveying mechanism of figure 1.

Figures Show perspective views of a conveying mechanism for 7 & 8

transferring finished rubber cots from the rubber cot grinding and/or buffing machine to the storage magazine at unloading point in accordance to present invention.

Figure 9 Shows exploded view of the conveying mechanism of figure 7.

Figure Shows exploded view of the guide arm assembly being part of 10

conveying mechanism of figure 9.

Figures Show complete conveying operation of unfinished rubber cots

11(A)- from storage magazine to measuring unit at loading point in

11(F)

the rubber cot grinding and/or buffing machine.

Figures Show complete conveying operation of finished rubber cots at

12(A)- unloading point from the rubber cot grinding and/or buffing

12(F)

machine to storage magazine.

DETAILED DESCRIPTION OF THE INVENTION:

Further objective and particular features of the invention are exemplified in the embodiment shown in accompanying drawings and described below.

Meaning of reference numerals used in the drawings: At loading point of the rubber cot grinding and/ or buffing machine:

10 - Storage unit 0 Measuring unit

0 Unfinished rubber cot arbour

0 Linear arm assembly

1 Linear vertical arm

2 Linear horizontal arm

3 Trail linear bracket

44 Linear rail

45 Guiding track

46 Slidable component

50 Guide arm assembly

51 Cylinder

52 Main bracket

53 Linear rail

54 Arm mounting bracket

55 Knob for arm locking

56 Nut for arm locking

57 First Arm for cot take off

58 Second Arm for cot take off

59 Slider

60 Slot

61 Holding platform

At unloading point of the rubber cot grinding and/ or buffing machine:

10' - Storage unit

30' - Finished rubber cot arbour

40' - Linear arm assembly

41 ' - Linear vertical arm

42' - Linear horizontal arm

44' - Linear rail

45' - Guiding track 46' Slidable component

50' Guide arm assembly

51' Cylinder

52' Main bracket

53' Linear rail

54' Arm mounting bracket

55' Knob for arm locking

56' Nut for arm locking

57' First Arm for cot take off

58' Second Arm for cot take off

59' Slider

60' Slot

61' Holding platform

Referring to figures 1, 2(A), 2(B) and 3, conveying mechanism for transferring unfinished rubber cot arbours from storage magazine (10) to measuring unit (20) in the rubber cot grinding and/or buffing machine is illustrated. The conveying mechanism mainly includes linear arm assembly (40), guide arm assembly (50) and control unit (not shown in figures for the sake of simplicity).

Referring to figure 1, the conveying mechanism is located at the loading point of the rubber cot grinding and/or buffing machine. Firstly the unfinished rubber cot arbours (30) are taken from the storage magazine (10) by the conveying mechanism. The conveying mechanism then transfers the arbour cot arbours (30) to measuring unit (20) for the purpose of finishing of the unfinished rubber cot arbours (30).

Referring to figures 3 and 4, the linear arm assembly (40) includes a linear vertical arm (41) having a linear rail (44). A linear bracket (43) is attached to the linear vertical arm (41). The linear bracket (43) is provided with a slidable component (46). The linear arm assembly (40) also includes a linear horizontal arm (42) having a guiding track (45). The slidable component (46) slides on the guiding track (45). The linear vertical arm (41) travels horizontally through the guiding track (45) and slidable component (46). The horizontal movement of the linear vertical arm (41) depends on the position of tray (11) of storage magazine. Generally, the storage magazine (10) consists of one or more trays (11) for holding the rubber cot arbours. If first tray is empty, then horizontal movement of the linear vertical arm (41) enables picking up of unfinished rubber cot arbours from next tray.

Referring to figures 5 and 6, exploded views of the guide arm assembly (50) is illustrated. The guide arm assembly (50) includes a pair of arms (57, 58) for holding the rubber cot arbours (30). Each of the arms (57, 58) is "V" shaped having holding platform (61). One of the arm (57, 58) includes a notch (60). The arms (57,58) are movably fixed on a linear rail (53). The linear rail (53) consists of a pair of sliders (59) moving on the linear rail (53). The arms (57,58) are fixed on a linear rail (53)with use of the sliders (59) and the arm mounting brackets (54). The arms (57, 58) of guide arm assembly (50) carries unfinished rubber cot arbours (30) from the storage magazine (10). The arms (57, 58) can be vertically movable over the linear vertical arm (41). The arms (57, 58) can be adjusted horizontally on the linear rail (53). The linear rail (53) is removably fixed on a main mounting bracket (52) by use of fastening means (55, 56). The fastening means may include combination of knob (55) and nut (56) which locks the linear rail (53) on the main bracket (52). The guide arm assembly (50) includes cylinder (51) fixed to the main bracket (52). The guide arm assembly (50) moves vertically on the linear rail (44) of vertical linear arm through the cylinder (51). The control unit is configured to control horizontal movement of the linear vertical arm (41) and vertical movement of the guide arm assembly (50). The control unit may be electronic control unit or electro pneumatic control unit. The control unit comprises at least one processor. The control unit may include various sensors or like to sense and respond to various activities relating to operation of the linear vertical arm (41) and guide arm assembly (50).

Referring to figures 11(A) to 11(F), complete conveying operation of unfinished rubber cots from storage magazine to measuring unit at loading point in the rubber cot grinding and/or buffing machine is illustrated. Firstly, the unfinished rubber cot arbours (30) are picked up by the arms (57, 58). The movement of linear vertical arm (41) is controlled by the control unit based on the position of tray of storage magazine. The movement of the guide arm assembly (50) is also controlled by the control unit based on the position of the measuring unit.

Referring to figures 7, 8 and 9, conveying mechanism for transferring finished rubber cot arbours from the rubber cot grinding and/or buffing machine to storage magazine (10') is illustrated. The conveying mechanism mainly includes linear arm assembly (40'), guide arm assembly (50') and control unit (not shown in figures for the sake of simplicity).

Referring to figure 7, the conveying mechanism is located at the unloading point of the rubber cot grinding and/or buffing machine. The finished rubber cot arbours (30') are taken from rubber cot grinding and/or buffing machine and transferred to the storage magazine (10') by the conveying mechanism.

Referring to figures 7, 8 and 9, the linear arm assembly (40') includes a linear vertical arm (41') having a linear rail (44'). The linear vertical arm (41') is provided with a slidable component (46'). The linear arm assembly (40') also includes a linear horizontal arm (42') having a guiding track (45'). The slidable component (46') slides on the guiding track (45'). The linear vertical arm (41') travels horizontally through the guiding track (45') and slidable component (46'). The horizontal movement of the linear vertical arm (41') depends on the position of tray (11') of storage magazine. Generally, the storage magazine (10') consists of one or more trays (11') for holding the rubber cot arbours. If first tray is empty, then horizontal movement of the linear vertical arm (41') enables picking up of unfinished rubber cot arbours from next tray. Referring to figure 10, exploded views of the guide arm assembly (50') is illustrated. The guide arm assembly (50') includes a pair of arms (57', 58') for holding the rubber cot arbours (30'). Each of the arms (57', 58') is "V" shaped having holding platform (61). One of the arm (57', 58') includes a notch (60'). The arms (57', 58') are movably fixed on a linear rail (53'). The linear rail (53') consists of a pair of sliders (59') moving on the linear rail (53'). The arms (57', 58') are fixed on a linear rail (53')with use of the sliders (59') and the arm mounting brackets (54'). The arms (57', 58') of guide arm assembly (50') carries unfinished rubber cot arbours (30') from the storage magazine (10'). The arms (57', 58') can be vertically movable over the linear vertical arm (41'). The arms (57', 58') can be adjusted horizontally on the linear rail (53'). The linear rail (53') is removably fixed on a main mounting bracket (52') by use of fastening means (55', 56'). The fastening means may include combination of knob (55') and nut (56') which locks the linear rail (53') on the main bracket (52'). The guide arm assembly (50') includes cylinder (51') fixed to the main bracket (52'). The guide arm assembly (50') moves vertically on the linear rail (44') of vertical linear arm through the cylinder (51'). The control unit is configured to control horizontal movement of the linear vertical arm (41') and vertical movement of the guide arm assembly (50'). The control unit may be electronic control unit or electro pneumatic control unit. The control unit comprises at least one processor. The control unit may include various sensors or like to sense and respond to various activities relating to operation of the linear vertical arm (41') and guide arm assembly (50').

Referring to figures 12(A) to 12(F), complete conveying operation of finished rubber cots, at loading point, from rubber cot grinding and/or buffing machine to storage magazine is illustrated. Firstly, the finished rubber cot arbours (30') are picked up by the arms (57', 58'). The movement of linear vertical arm (41') is controlled by the control unit based on the position of tray of storage magazine. The movement of the guide arm assembly (50') is also controlled by the control unit.

According to an embodiment of the present invention, there is provided a rubber cot arbour grinding and/or buffing machine comprising a conveying system of figure 3 at loading point for transferring unfinished rubber cot arbours from a storage magazine to a measuring unit of the rubber cot arbour grinding and/or buffing machine and a conveying system of figure 9 at unloading point for transferring finished rubber cot arbours from the rubber cot arbour grinding and/or buffing machine to a storage magazine.

While various embodiments of the present invention have been described above, it should be understood that they have been presented by way of example only, and not limitation. It will be understood by those skilled in the relevant art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.

ADVANTAGES OF THE SYSTEM: i. The present conveyor system is smooth and reliable.

ii. The present conveyor system is user friendly in design and requires minimal or nil maintenance cost. Operations involved in conveying the rubber cot arbours are fully controlled and automated.

There is least possibility of damage to the rubber cot arbours during conveying operations.

The efficiency of the present conveyor system is significantly high thereby increasing the overall efficiency of the buffing machine.