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Clamp for milling half-moon groove

A fixture and milling technology, applied in the field of fixtures for milling half-moon grooves, can solve the problems of difficult to guarantee machining accuracy, low machining efficiency, cumbersome machining, etc., so as to improve machining accuracy and efficiency, facilitate clamping and unloading, and shorten loading and unloading time. Effect

Inactive Publication Date: 2008-12-31
ZHANGJIAGANG YUCHENG MASCH C0 LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Using this relatively primitive manual clamping method, during the multiple clamping process of the ratchet wrench, because the position of the workpiece is different each time, the tool must be set after each clamping, which makes the processing more cumbersome. The machining accuracy is difficult to guarantee, and the machining efficiency is extremely low

Method used

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  • Clamp for milling half-moon groove
  • Clamp for milling half-moon groove
  • Clamp for milling half-moon groove

Examples

Experimental program
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Effect test

Embodiment Construction

[0014] Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0015] As shown in Fig. 1, Fig. 2 and Fig. 3, the jig for milling the half-moon groove according to the present invention includes: a base 1, a positioning shaft 2 and a pair of positioning shafts located on both sides of the positioning shaft 2 are arranged on the base 1 For the lugs 3 and a pair of resting platforms 14, the top of each lug 3 is provided with a pressure plate groove, and each pressure plate groove is provided with a pressure plate 5 through a pin shaft 4. The specific structure is: the pressure plate 5 and the pressure plate groove. The side walls are respectively provided with pin holes matched with the pin shaft 4, and the pin shaft 4 passes through the side wall on the right side of the pressure plate groove and the pin shaft hole of the pressure plate 5 successively, and extends into the left side of the pressure plate gro...

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Abstract

The invention discloses a clamp which is used for milling a semilunar groove and can finish the milling and molding by once clamping. The clamp comprises a base; the base is provided with a locating shaft, a pair of lugs and a pair of storage platforms; the top of each lug is provided with a pressure plate groove, and each pressure plate groove is movably provided with a pressure plate; the base is also provided with a support and a hydraulic cylinder; the support is provided with a locating plate; a pair of clamping arms symmetrically arranged at the two sides of the lugs are movably arranged on the locating plate respectively by a spindle; the front part of each clamping arm is laid on the corresponding storage platform and provided with a clamping bevel; the end face of the rear part of each clamping arm is provide with a clamping groove; each clamping groove is penetratively provided with a clamping pin; a back-moving spring is arranged between the two clamping pins; a piston rod of the hydraulic cylinder is provided with a shim block; two bevel edges at the inside of the shim block are respectively embedded into the corresponding clamping grooves and are pressed against the clamping pins. The clamp of the invention greatly improves the milling precision and efficiency.

Description

technical field [0001] The invention relates to a fixture, in particular to a fixture for milling half-moon grooves. Background technique [0002] At present, when milling the half-moon groove on the ratchet wrench, the workpiece can only be fixed on the workbench with tools such as pressure plates and bolts, and in the process of milling the half-moon groove on the ratchet wrench, the ratchet wrench needs to be clamped several times . Using this relatively primitive manual clamping method, during the multiple clamping process of the ratchet wrench, because the position of the workpiece is different each time, the tool must be set after each clamping, which makes the processing more cumbersome. The processing accuracy is difficult to guarantee, and the processing efficiency is extremely low. SUMMARY OF THE INVENTION [0003] A technical problem to be solved by the present invention is to provide a fixture for milling half-moon grooves that can complete milling and formin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23Q3/06B23C3/34
Inventor 张玉飞夏小帅
Owner ZHANGJIAGANG YUCHENG MASCH C0 LTD
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