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Extrusion sleeve

A technology of extrusion sleeve and chamfering, applied in the field of extrusion sleeve, which can solve the problems of difficult operation, time-consuming and labor-intensive, etc.

Inactive Publication Date: 2014-04-16
LIUZHOU HUAWEI FORCE MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Currently, extrusion sleeves used in the market such as figure 1 It shows that the chamfer between the two end faces 1 and the outer circle 2 is 18°. In the actual use process, the extrusion sleeve with this angle needs a pressure of 350-450KN to make it reach the use state (that is, the extrusion sleeve The entire outer circle is extruded into ?30.5), laborious and difficult to operate

Method used

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Embodiment Construction

[0010] The present invention will be described in detail below in conjunction with the accompanying drawings. The description in this part is only exemplary and explanatory, and should not have any limiting effect on the protection scope of the present invention.

[0011] Such as figure 2 The extrusion sleeve shown is in the shape of a cylinder, and the chamfer between the two end faces 1 of the cylinder and its outer peripheral surface is 9°. Correspondingly, the chamfer can be set to a value between 7° and 15°; or more preferably, a value between 7° and 15°.

[0012] 1. The adjusted chamfer can improve the construction efficiency of the (extrusion sleeve) users (the working pressure is reduced from the original 350KN to 450KN to the current 250KN).

[0013] 2. The reduced weight of the extrusion sleeve itself reduces the transportation cost.

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Abstract

The invention discloses an extrusion sleeve which is in a shape of a cylinder. Chamfers between the two end faces and the external circumference surface of the cylinder are 7-15 degrees. According to the extrusion sleeve, the traditional 18-degree chamfers are improved to the chamfers less than 18 degrees; the pressure of a use state of the extrusion sleeve is reduced; the 350-450KN pressure is reduced to the approximately 250KN pressure by changing 18 degrees to 9 degrees to allow the extrusion sleeve to achieve use service state (that is to say, the diameter of the whole excircle of the extrusion sleeve is extruded to 30.5); and the use effect of the extrusion sleeve is not obviously different from that of the extrusion sleeve with the 18-degree chamfers.

Description

technical field [0001] The invention relates to the technical field of extrusion sleeves, in particular to an extrusion sleeve. Background technique [0002] Currently, extrusion sleeves used in the market such as figure 1 It shows that the chamfer between the two end faces 1 and the outer circle 2 is 18°. In the actual use process, the extrusion sleeve with this angle needs a pressure of 350-450KN to make it reach the use state (that is, the extrusion sleeve The entire outer circle is extruded into ?30.5), which is laborious and difficult to operate. Contents of the invention [0003] Aiming at the deficiencies of the prior art, the invention proposes an extrusion sleeve with simple structure and easy operation. [0004] In order to achieve the purpose of the above invention, the present invention provides the following technical solutions: an extrusion sleeve, which is in the shape of a cylinder, and the chamfer between the two ends of the cylinder and the outer periph...

Claims

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Application Information

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IPC IPC(8): E04C5/12
Inventor 罗勐申玉林
Owner LIUZHOU HUAWEI FORCE MACHINERY
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