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A jig for mirror polishing processing of metal middle frame

A mirror polishing and fixture technology, applied in the direction of grinding workpiece brackets, etc., can solve the problems of reducing the firmness of the middle frame, reducing the fit of the middle frame, and excessive extrusion, so as to avoid offset and improve the clamping firmness. Effect

Active Publication Date: 2022-05-20
宁德鑫旺达智能科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] A tablet computer is also called a portable computer, which is a small, portable personal computer. The middle frame outside the tablet computer is a frame for protecting the tablet computer. During the processing of the middle frame, a mirror polishing machine is required to fix it. For polishing, the fixture on the polishing machine clamps it to ensure the normal polishing of the middle frame. However, because the thickness of the middle frame of the flat plate is relatively thin, and the four sides of the middle frame of the flat plate are all arc-shaped structures, the clamping During the process, the bonding piece on the fixture is relatively flat, which is easy to be over-extruded, resulting in deformation of the arc surface of the flat middle frame. At the same time, there is a certain gap between the flat fixture and the arc surface of the middle frame. The gap, which reduces the fit of the middle frame for clamping, reduces the firmness of the middle frame during the polishing process

Method used

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  • A jig for mirror polishing processing of metal middle frame
  • A jig for mirror polishing processing of metal middle frame
  • A jig for mirror polishing processing of metal middle frame

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] as attached figure 1 to attach Figure 4 Shown:

[0023] The present invention is a jig for mirror polishing processing of a metal middle frame, and its structure includes a mounting frame 1, a propulsion block 2, a supporting base plate 3, and a clamping mechanism 4. The top of the mounting frame 1 is welded to the bottom surface of the supporting base plate 3, and the supporting base plate 3. A clamping mechanism 4 is fixedly installed inside the upper end. A pusher block 2 is provided on the outside of the clamping mechanism 4. The pusher block 2 is installed on the upper end of the outer side of the support base plate 3 by clearance fit. The clamping mechanism 4 includes a limit Frame 41, a propulsion mechanism 42, and a snap-fit ​​mechanism 43, the limit frame 41 is embedded and installed inside the upper end of the support base plate 3, the outer side of the propulsion mechanism 42 is fixed with the propulsion block 2, and the propulsion mechanism 42 uses clearan...

Embodiment 2

[0029] as attached Figure 5 to attach Figure 6 Shown:

[0030]Wherein, the engaging mechanism 43 includes a compression spring 431, a fixed splint 432, and a rotation resistance mechanism 433. The compression spring 431 is fixedly installed inside the limit frame 41, and one end of the compression spring 431 is fixed to the fixed splint 432. The fixed splint 432 is mounted on the inner side of the limit frame 41 by clearance fit, the lower end of the rotating interference mechanism 433 is installed inside the support base plate 3, and the rotating interference mechanism 433 is located inside the fixed splint 432, and the contact between the fixed splint 432 and the middle frame of the flat plate The end has an arc surface structure, which matches the arc surface of the middle frame of the plate, and improves the fitting degree of clamping. There are five rotating interference mechanisms 433, and they are evenly distributed on the inner side of the fixed splint 432, so as to...

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Abstract

The invention discloses a fixture for mirror polishing of a metal middle frame. The structure includes a mounting frame, a propulsion block, a supporting bottom plate, and a clamping mechanism. The clamping mechanism, the push rod drives the moving clip to move, and the arc surface of the moving clip reduces the gap with the fitting surface of the outer end of the middle frame of the tablet, and the airbag membrane bulges to protect the outer end of the middle frame of the flat panel, improving the The clamping firmness on the outside of the middle frame of the flat plate is protected at the same time. Through the torsion rotation of the torsion shaft, the connecting rod rotates in an arc around the center end of the torsion shaft. The extrusion of the top spring increases the friction between the rubber strip and the inside of the middle frame of the tablet, ensuring that the clamping force is applied to the inner side of the middle frame of the tablet, and avoids the deviation of the middle frame of the tablet during the polishing process.

Description

technical field [0001] The invention relates to the field of surface polishing processing in hardware production, and more specifically, relates to a jig for mirror surface polishing processing of a metal middle frame. Background technique [0002] A tablet computer is also called a portable computer, which is a small, portable personal computer. The middle frame outside the tablet computer is a frame for protecting the tablet computer. During the processing of the middle frame, a mirror polishing machine is required to fix it. For polishing, the fixture on the polishing machine clamps it to ensure the normal polishing of the middle frame. However, because the thickness of the middle frame of the flat plate is relatively thin, and the four sides of the middle frame of the flat plate are all arc-shaped structures, the clamping During the process, the bonding piece on the fixture is relatively flat, which is easy to be over-extruded, resulting in deformation of the arc surface...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B24B41/06
CPCB24B41/06
Inventor 张伟
Owner 宁德鑫旺达智能科技有限公司
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