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Impulse type self-locking fixture based on cylinder-conical surface combination angle effect

A technology of angle effect and conical surface, which is applied in the direction of drilling jig, clamping, and manufacturing tools for workpieces, can solve the problems of large clamping force, stagnation, limited clamping force, etc., and achieve stable clamping tightening force, saving energy, and avoiding environmental pollution

Inactive Publication Date: 2014-09-24
DALIAN WATE HEAVY DUTY MACHINE TOOL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] For a long time, the innovation of manual fixture design has been stagnant. The main reason is that the current engineering designers blindly pursue automation and think that manual is a sign of backwardness, so they choose hydraulic or pneumatic methods without hesitation; they think that the clamping force provided by manual Limited, unable to meet the requirements of larger clamping force

Method used

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  • Impulse type self-locking fixture based on cylinder-conical surface combination angle effect
  • Impulse type self-locking fixture based on cylinder-conical surface combination angle effect
  • Impulse type self-locking fixture based on cylinder-conical surface combination angle effect

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Experimental program
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Effect test

Embodiment 1

[0022] Two support cylinders (5), two support cones (7), two support nails (8) and a positioning pin (10), the lower ends are all installed in the corresponding holes of the clamp body (9) through interference fit, drill The template (3) is fixed on the support cylinder (5) through the nut (1) and the washer (2), the drill sleeve (4) is fixed on the drill template, and the workpiece is first placed on the upper plane of the support nail (8), so that Its two positioning sides perpendicular to each other are close to two supporting cylinders (5) and positioning pins (10) respectively. Insert the clamping cylinder (6) between the left side of the workpiece and the two supporting cones (7), and then apply an instantaneous impact force Fk to the upper part of the clamping cylinder (6) by hand through the tool; due to the bevel angle α of the cone (7) The horizontal force Fc generated by the clamping cylinder (6) clamps the workpiece due to the angle effect. In the clamp, the suppo...

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Abstract

The invention relates to an impulse type self-locking fixture based on a cylinder-conical surface combination angle effect. The impulse type self-locking fixture comprises a screw nut, a gasket, a drill plate, drill bushings, a supporting cylinder, a clamping cylinder, a supporting cone, a supporting nail, a clamp body, a locating pin, bearing cylinders, bearing cones, bearing nails and a locating pin, wherein the lower ends of the bearing cylinders, the bearing cones, the bearing nails and the locating pin are mounted in the corresponding holes of the clamp body in an interference fit manner; the drill plate is fixed on the bearing cylinders through the screw nut and the gasket; a workpiece is firstly placed on the upper planes of the bearing nails to enable the two locating side surfaces of the workpiece perpendicular to each other to be close to the two bearing cylinders and the locating pin respectively. According to the invention, the impulse type self-locking fixture has the following advantages: compared with a pneumatic or hydraulic clamp, the energy is saved, environmental pollution is avoided, and a greater and more stable clamping force is provided.

Description

technical field [0001] The invention belongs to the field of machinery, and in particular relates to an impact-type self-locking fixture based on the combined angle effect of a cylinder-cone surface. Background technique [0002] For a long time, the innovation of manual fixture design has been stagnant. The main reason is that the current engineering designers blindly pursue automation and think that manual is a sign of backwardness, so they choose hydraulic or pneumatic methods without hesitation; they think that the clamping force provided by manual Limited, unable to meet the requirements of larger clamping force. On the premise of not increasing the labor intensity of the operator, the output force of the manual clamp can be significantly increased by using a multi-stage series force boosting mechanism to amplify the force of the human hand, or using a manual impact method to obtain a larger initial force, thereby significantly increasing the output force of the manual ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23Q3/00B23B49/02
CPCB23B47/28B23B2247/12
Inventor 高吉良
Owner DALIAN WATE HEAVY DUTY MACHINE TOOL