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Patent Searching and Data


Title:
TAPPING MACHINE
Document Type and Number:
WIPO Patent Application WO/2011/060647
Kind Code:
A1
Abstract:
A tapping machine comprises a stand (1), a main shaft (2) mounted on the stand (1) and a motor (3). The main shaft (2) is provided with a clamp (4) on one end and the clamp (4) can be provided with different taps (16) thereon. The stand (1) is provided with a connecting seat (6) thereon and a nut (7) is fixedly mounted on the other end of the main shaft (2). The nut (7) is threadedly connected with the connecting seat (6) and the pitches inside the nut (7) and the connecting seat (6) are equal to that of the tap (16) mounted on the clamp (4). The main spindle (2) is provided with a reverse inner conical pulley (8), a positive inner conical pulley (9), an upper outer conical pulley (10) and a lower outer conical pulley (11) thereon with certain intervals. The upper outer conical pulley (10) can mesh with the reverse inner conical pulley (8), and the lower outer conical pulley (11) can mesh with the positive inner conical pulley (9). The stand (1) is provided with a double belt wheels (12) and an idle wheel (13) thereon, and is also provided thereon with an operating rod (5) for controlling the upper outer conical pulley (10) and the lower outer conical pulley (11) to mesh with the reverse inner conical pulley (8) and the positive inner conical pulley (9) provided on the main shaft (2) respectively. The tapping machine can prevent defect thread from producing, avoid damaging the wok piece resulting from the inhomogeneous tapping speed, and wok in a more stable and less noisy manner, thus facilitating to protect the motor and to prolong the service life of the motor and to save energy.

Inventors:
HUANG, Changching (Shangtang Industrial Zone, Donghuan Road South Distric, Zhongshan Guangdong 5, 528455, CN)
Application Number:
CN2010/075031
Publication Date:
May 26, 2011
Filing Date:
July 07, 2010
Export Citation:
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Assignee:
ZHONGSHAN FUMAO SEALS TECH CO., LTD. (Shangtang Industrial Zone, Donghuan Road South Distric, Zhongshan Guangdong 5, 528455, CN)
中山富茂密封科技有限公司 (中国广东省中山市南区东环路上塘工业区, Guangdong 5, 528455, CN)
International Classes:
B23G1/18; B23G1/48
Foreign References:
CN200948522Y
CN2448494Y
CN201483094U
CN2559446Y
GB612361A
EP1338365A1
Other References:
GUO, JIANDONG.: 'A novel tapping machine.' MECHANICAL ENGINEER. March 2003, pages 59 - 60
Attorney, Agent or Firm:
JIAQUAN IP LAW FIRM (ZHANG, PingNo. 910, Building A, Winner Plaza,Huangpu Avenue, Tianhe Distric, Guangzhou Guangdong 7, 510627, CN)
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