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Inflatable sleeve

An inflatable and sleeve technology, applied in the field of printing rolls, can solve the difficulty in disassembling the steel sleeve and the mandrel, which is time-consuming and labor-intensive, the assembly of the mandrel and the steel sleeve is difficult and labor-intensive, and the disassembly and assembly of the sleeve and the mandrel. Low efficiency and other problems, to achieve the effect of high disassembly and assembly efficiency, light weight, and not easy to deform

Pending Publication Date: 2021-02-26
上海运成印刷机械配件有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The problem with the steel plate sleeve in the above prior art is that due to the high rigidity and heavy weight of the steel plate sleeve, it is difficult, time-consuming and laborious to assemble the mandrel and the steel plate sleeve; moreover, after the assembly of the mandrel and the steel plate sleeve is completed, , It is also very difficult to disassemble the steel plate sleeve and the mandrel, which is time-consuming and laborious, resulting in low efficiency of disassembly and assembly of the sleeve and mandrel

Method used

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Embodiment Construction

[0027] The application will be described in further detail below in conjunction with the accompanying drawings.

[0028] refer to figure 1 and figure 2 , the embodiment of the present application discloses an inflatable sleeve, the sleeve is an annular tubular structure, and the wall of the sleeve is a composite layer structure. The composite layer structure includes an inflatable layer 1 , a first elastic layer 10 , a filling layer 2 , a second elastic layer 11 , and a shaping layer 3 arranged sequentially from inside to outside along the radial direction of the sleeve. The inflatable layer 1 is a fiber layer made of fiber material. In this embodiment, the inflatable layer 1 is preferably a glass fiber layer, and the glass fiber has relatively high tensile strength and good heat resistance. The air-expansion layer 1 is used for interference fit on the air-expansion shaft. When the air-expansion shaft is inserted into the air-expansion layer 1 of the sleeve, the air-expansi...

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Abstract

The invention relates to an inflatable sleeve. The wall of the sleeve is of a composite layer structure. The composite layer structure comprises an inflatable layer, a first elastic layer, a filling layer, a second elastic layer and a shaping layer which are sequentially arranged from inside to outside in the radial direction of the sleeve. The inflatable layer can elastically deform under the pressure of an inflatable shaft and is tightly arranged on the inflatable shaft in a sleeving manner. The first elastic layer and the second elastic layer are both light elastic material layers. The filling layer is a light and hard material layer. The shaping layer is a hard material layer. All the adjacent structural layers are connected in a composite manner. The inflatable sleeve has the advantages that the mass is small, the dismounting and mounting efficiency of the sleeve and a mandrel is high, the shaping layer is not prone to deformation, and the printing effect is good.

Description

technical field [0001] The present application relates to the field of printing rollers, in particular to an inflatable sleeve. Background technique [0002] The printing roller is an important working part in the printing machine. The printing roller includes a mandrel and a sleeve tightly fitted on the mandrel. When printing, print on the outer peripheral surface of the sleeve by spraying or pasting printing materials such as screen lines. The sleeves used in the printing rollers in the prior art are all steel sleeves. In order to enable the steel sleeves to rotate synchronously with the mandrel, the mandrel of the printing roller and the steel sleeve need interference fit during assembly. [0003] The problem with the steel plate sleeve in the above prior art is that due to the high rigidity and heavy weight of the steel plate sleeve, it is difficult, time-consuming and laborious to assemble the mandrel and the steel plate sleeve; moreover, after the assembly of the mand...

Claims

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Application Information

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IPC IPC(8): B41F13/08B41F13/20B41F27/00B32B17/02B32B17/06B32B5/18B32B5/32B32B15/20B32B15/04B32B33/00
CPCB32B5/02B32B5/18B32B5/245B32B5/32B32B15/046B32B15/20B32B33/00B32B2262/101B32B2307/306B32B2307/51B32B2307/718B41F13/08B41F13/20B41F27/00
Inventor 邱源鹏邱明发
Owner 上海运成印刷机械配件有限公司
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