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Rotary pneumatic expansion sleeve device

A technology of rotary and expansion sleeves, which is applied in the field of rotary pneumatic sleeve expansion devices, can solve problems such as unreasonable end fixing methods, product quality impacts, and production impacts, and achieve the effects of wide application range, simple structure, and reasonable design

Inactive Publication Date: 2012-10-31
SICHUAN COC DISPLAY DEVICES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The design of the end fixing method of this kind of film roll is very unreasonable, and the abnormal phenomenon of positioning deviation often occurs, which not only affects the production, but also seriously affects the product quality

Method used

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  • Rotary pneumatic expansion sleeve device
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  • Rotary pneumatic expansion sleeve device

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Embodiment Construction

[0033] The present invention will be further described below in combination with specific embodiments and accompanying drawings.

[0034] Such as Figure 1 to Figure 6 As shown, a rotary pneumatic expansion sleeve device includes a base 1, a rotating shaft 2, a piston 3, a tensioning slider 4, an end cover 6 and a tensioning ring 5 made of polyurethane; the center of the base 1 has an axial mounting hole 101, the rotating shaft 2 is installed in the installation hole 101 through the bearing 10, the compressed air interface 102 is set on the base 1 to penetrate to the axial installation hole 101, and an annular guide is provided on the surface of the axial installation hole 101 corresponding to the compressed air interface 102. Air groove 103, sealing rings 8 are arranged on both sides of the annular air guide groove 103; a cylindrical groove 201 is arranged in the middle of the end of the rotating shaft 2, and the groove 201 communicates with the annular air guide groove 103 t...

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Abstract

The invention discloses a rotary pneumatic expansion sleeve device comprising a base, a rotating shaft, a piston, a tensioning sliding block, an end cover and an elastic tensioning ring, wherein the rotating shaft is rotationally arranged in the base; the piston is movably arranged in a groove in the center at the end part of the rotating shaft; a guide groove is formed in the end surface of the rotating shaft in an annular array by taking the axial line of the groove as a central line; the tensioning ring is sleeved on the array of the guide groove; the end cover is arranged on the end surface of the tensioning ring; a spring is arranged between the piston and the end cover; the tensioning sliding block is arranged in the guide groove in a sliding manner; the outer wall of the piston is matched with the tensioning sliding block; and when the piston conducts axial direction towards one side of end cover, the elastic tensioning ring is pushed by the piston to conduct outward radial movement. Through the adoption of concentric positioning manner, deflection can be avoided during positioning, and a thin film coiling roller rotates with the rotating shaft after positioning, so as to realize synchronous rotation. The rotary pneumatic expansion sleeve device is particularly suitable for circumstances with high requirements on degree of automation and low requirements on rotational speed, and has a wide application prospect on film equipment in the electronic industry and the semi-conductor industry.

Description

technical field [0001] The invention relates to a positioning and fixing device, in particular to a rotary pneumatic sleeve expansion device. Background technique [0002] In the automatic production of plasma screens, the equipment for removing foreign matter on the top of the barrier wall is generally used. The equipment has a rolling and discharging device, that is, a film winding roll. The design of the end fixing method of this film coiling roll is very unreasonable, and the abnormal phenomenon of positioning deviation often occurs, which not only affects production, but also has a serious impact on product quality. Contents of the invention [0003] The purpose of the present invention is to provide a rotary pneumatic sleeve expansion device, which can be positioned accurately without deviation and can completely solve the above-mentioned technical problems. [0004] The purpose of the present invention is achieved through the following technical solutions: [0005...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B65H75/24
Inventor 李小华
Owner SICHUAN COC DISPLAY DEVICES
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