Tool and method for clamping guide pipes by using hydraulic rubber bags

A technology of rubber bladders and hydraulic pipelines, which is applied in the direction of workpiece clamping devices and manufacturing tools, can solve the problems of affecting the quality of catheter end processing, difficult to clamp steel catheters, and pinch damage on the surface of catheters, so as to avoid tube The problem of eccentricity of the end, the flexible use method, and the effect of compact device

Inactive Publication Date: 2018-12-07
XIAN AIRCRAFT IND GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

During the clamping process, the cutting gap is easy to pinch the surface of the catheter due to the extrusion of the catheter
In order to avoid pinching, paper is usually placed in the catheter clamping area during production, which is cumbersome and easy to cause injury to operators;
[0006] 2. The friction coefficient of the aluminum splint is large, but it is soft and wears quickly, so it is difficult to clamp the steel conduit; the steel splint can wi

Method used

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  • Tool and method for clamping guide pipes by using hydraulic rubber bags
  • Tool and method for clamping guide pipes by using hydraulic rubber bags
  • Tool and method for clamping guide pipes by using hydraulic rubber bags

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0026] In this embodiment, a 0Cr18Ni9Ti steel pipe with an outer diameter of 27 mm and a wall thickness of 1 mm is clamped.

[0027] Such as figure 1 As shown in -5, a tooling that uses a hydraulic rubber bladder to hold a catheter, includes a box body 1 with a built-in rubber bladder 6 and a positioning ring 3. The box body 1 is fixed on the workbench, and the inlet and outlet of the catheter on the front and rear sides of the box body 1 , A detachable and replaceable positioning ring 3 is provided. Inside the box 1, a hollow rubber bladder 6 is fixed close to the inner wall, and a cross bar 2 for limiting the rubber bladder 6 is provided, which passes through the tank through a hydraulic pipe 7 The body shell connects the rubber bladder 6 with the external hydraulic pump.

[0028] The method of using the tooling to clamp the catheter includes the following steps:

[0029] (1) According to the pipe diameter of the catheter 5, select a positioning ring 3 with a suitable inner diamet...

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Abstract

The invention provides a tool and a method for clamping guide pipes by using hydraulic rubber bags. The tool comprises a box provided with the rubber bags inside, and positioning rings; the positioning rings capable of being disassembled and replaced are arranged in guide pipe ports on the front and back sides of the box; the hollow rubber bags are fixed in the box; and the rubber bags are connected with an external hydraulic pump. The hydraulic pump is opened; when hydraulic oil is injected in the rubber bags by hydraulic pipelines, the rubber bags are inflated to enlarge to finally wrap thesurfaces of the guide pipes and to generate pressure; and when the ends of the guide pipes are machined, the guide pipes generate relative motion tendency under the effect of external force, so that the extrusion of the rubber bags to the guide pipes is converted to friction force for stable fixation of the guide pipes.

Description

technical field [0001] The application belongs to the field of manufacturing pipe clamping and positioning auxiliary devices, in particular to a tool and method for clamping a catheter by using a hydraulic rubber bag. Background technique [0002] Catheters are widely used in industrial production, and catheters of various materials and shapes are an important part of modern industrial products. Therefore, the forming and processing of catheters is also an important link in industrial production. In the process of bending, end processing, extrusion molding, etc. of the catheter, the fixation of the position and the maintenance of the posture of the catheter all play a decisive role in the quality of the finished product. [0003] At present, splints are generally used in industrial production to clamp conduits. During the processing of the end of the catheter, the left and right separated clamping parts are pressurized to close and clamp the catheter; the catheter is fixed...

Claims

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Application Information

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IPC IPC(8): B25B11/00
CPCB25B11/00
Inventor 韩冬王林鹏袁姣柴有丁
Owner XIAN AIRCRAFT IND GROUP
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