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Pneumatic expansion type clamp

A pneumatic expansion clamp technology, which is applied in the field of machining fixtures, can solve the problems of prolonging the processing cycle, long processing auxiliary time, and increasing processing costs, and achieve the goal of increasing the length of the force arm, convenient and quick clamping, and improving processing accuracy. Effect

Inactive Publication Date: 2013-11-20
HEFEI CHANGYUAN HYDRAULICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The use of process steps increases the process steps, prolongs the processing cycle, and increases the processing cost; with the manual clamping method of the expansion sleeve, the two screws need to be tightened separately, and the processing auxiliary time is longer, and if the operator does not operate in a standard manner, tighten one side first Then screw the other side, which may cause the verticality between the outer circular surface of the workpiece and the bottom surface to be out of tolerance, and affect the product accuracy

Method used

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  • Pneumatic expansion type clamp
  • Pneumatic expansion type clamp
  • Pneumatic expansion type clamp

Examples

Experimental program
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Effect test

Embodiment Construction

[0021] See attached figure 1 ~ Attached Image 6 The pneumatic expansion clamp includes a bottom plate 1, two support plates 2, a positioning plate 3, a tie rod 4, an expansion sleeve 5, a cross rod 7 and a cylinder 8; the two support plates 2 stand on the bottom plate 1 respectively On both sides of the top surface, the positioning plate 3 is located at the top end of the two supporting plates 2 and is fixedly connected with the two supporting plates 2; the positioning plate 3 is provided with a hole penetrating the positioning plate 3 The pull rod 4 and the expansion sleeve 5; the lower end of the pull rod 4 and the lower end of the expansion sleeve 5 are both fixedly connected to the cross rod 7, and the cross rod 7 is opposite to the piston of the cylinder 8. Fixed connection.

[0022] The top end of the support plate 2 is provided with a screw hole, the positioning plate 3 is provided with a through hole that penetrates the positioning plate 3 along the thickness direction ...

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Abstract

The invention discloses a pneumatic expansion type clamp. The pneumatic expansion type clamp comprises a base plate, two supporting plates, a positioning plate, a pulling rod, an expansion sleeve, a cross rod and an air cylinder, wherein the two supporting plates are respectively erected at two sides of the top surface of the base plate, the positioning plate is located at the top ends of the two supporting plates and is fixedly connected with the two supporting plates, a pulling rod and an expansion sleeve which penetrate through a top plate are arranged on the top plate, the lower end of the pulling rod and the lower end of the expansion sleeve are both fixedly connected with the cross rod, and the cross rod is fixedly connected with a piston of the air cylinder. The pneumatic expansion type clamp is particularly suitable for fine machining of outlines and end surfaces of integrated shaft sleeve parts, and has the advantages of being convenient and rapid to clamp, being capable of improving machining accuracy of the integrated shaft sleeves, improving production efficiency and the like.

Description

Technical field [0001] The invention relates to a machining clamp, in particular to a pneumatic expansion clamp suitable for finishing the contour and end surface of integral shaft sleeve parts. Background technique [0002] The integral shaft sleeve is one of the important parts of the hydraulic gear pump (motor). The integral shaft sleeve has high requirements for the coaxiality of the outer circle and the inner hole, and the perpendicularity of the outer circle and the end surface, and its processing accuracy is direct Affect the product performance of hydraulic gear pumps (motors). The existing processing technology either adopts a process step method or adopts an expansion sleeve to manually compress the expansion sleeve with two modified hexagon socket screws to clamp the workpiece. The use of process steps increases the process steps, prolongs the processing cycle, and increases the processing cost; with the manual clamping method of the expansion sleeve, the two screws n...

Claims

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Application Information

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IPC IPC(8): B23Q3/00
Inventor 赵磊孙小平
Owner HEFEI CHANGYUAN HYDRAULICS
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