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Patent Searching and Data


Title:
INTERLOCKING TYPE JIG CLAMP DEVICE
Document Type and Number:
Japanese Patent JP3157348
Kind Code:
B2
Abstract:

PURPOSE: To silently carry out a high speed operation by converting a rotation of a motor into linear motion of a rack shaft via a ball screw, lifting/lowering a clamp base via a crank by rotation of a pinion gearing with the rack shaft, and clamping/unclamping works all at once.
CONSTITUTION: When a ball screw S is rotated by winding a belt B using an AC servomotor M as a driving source, a housing is slid on a linear guide via a nut N engaged with the ball screw S, and then, a rack shaft R fixed in the housing is displaced in the axial direction. By this displacement of a rack shaft R, a pinion gear P meshed with the teeth part of the rack shaft R is rotated, and crankshafts E1, E2 are rotated via a pinion shaft, a torque limiter, a gear, and the like by the rotation of the pinion gear P. In this way, a crank arm A on each of the crankshafts E1, E2 is reciprocated, and clamp bases C1, C2 are lifted/lowered via guide bars G, so that the works placed on the lower side of the bases are clamped all at once.


Inventors:
Junichi Yamashita
Application Number:
JP12547093A
Publication Date:
April 16, 2001
Filing Date:
April 28, 1993
Export Citation:
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Assignee:
Enshu Co., Ltd.
International Classes:
B23Q3/06; B23Q39/04; (IPC1-7): B23Q39/04
Domestic Patent References:
JP5924948A
JP5942833U