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Combined back cap

A back cap and mutual cooperation technology, applied in punching machines, presses, manufacturing tools, etc., can solve the problems of poor interchangeability of cylindrical pins, easy to fall off the back cap, easy to fall off the heel piece, etc., to achieve convenient processing and maintenance, Avoid deformation, not easy to deform the effect

Inactive Publication Date: 2017-12-01
徐济川
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a combined back cap to solve the problems in the prior art that the back cap is easy to fall off under force, the back cap is deformed by force and the heel piece is easy to fall off, and the interchangeability of the cylindrical pin is poor.

Method used

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  • Combined back cap

Examples

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Embodiment Construction

[0011] Such as figure 1 As shown, a combined back cap described in the embodiment of the present invention includes a main screw 1 and a heel 2, the main screw 1 is fixedly connected to the middle part of the top surface of the heel 2 through a flat key 3, and the main screw 1 is installed There is a flange nut 4, a positioning protection ring 5 is installed between the flange nut 4 and the heel piece 2 on the main screw rod 1, and the flange nut 4, the positioning protection ring 5 and the heel piece 2 are arranged on the heel piece 2 The outer compression ring 6 is fixedly connected with the screw 7 arranged on the flange nut 4, and the flange nut 4, the positioning protection ring 5 and the compression ring 6 are fixedly connected by a positioning square key 8.

[0012] In specific use, the method of directly connecting the main screw 1 and the heel 2 is used to avoid the phenomenon that the heel will fall off due to the force deformation of the back cap. By installing the ...

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PUM

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Abstract

The invention relates to a combined back cap comprising a main screw and a heel piece. The main screw and the middle of the top surface of the heel piece are fixedly connected through a flat key. A flange nut is mounted on the main screw, a positioning protecting ring is mounted on the portion, between the flange nut and the heel piece, of the main screw, and the flange nut, the positioning protecting ring and the heel piece are mutually matched and fixedly connected through a pressing ring arranged on the outer side of the heel piece and a bolt arranged on the flange nut. The flange nut, the positioning protecting ring and the pressing ring are fixedly connected through positioning square keys. The combined back cap has the beneficial effects that the phenomenon of heel piece falling-off caused by deformation of the back cap under force is avoided; the phenomenon of deformation of the end surface of the main screw due to the pressure is avoided; and the situation that flat key local replacement is conducted under the condition that other components are not affected can be achieved, and thus daily machining and maintaining are facilitated.

Description

technical field [0001] The invention relates to a combined back cap. Background technique [0002] Friction press is an indispensable machine in industrial production and has a wide range of uses, but there are also some problems that deserve the attention of manufacturers. Example: the back cap inside the slider, which is prone to failure. There are two common structures of the inner back cap of the slider: one is the integral back cap structure. The upper end of the cap is fixed with a cylindrical pin, and the lower end of the back cap is fitted with a heel. The other is a combination back cap. Its structure is: the main screw and the flange nut are threadedly connected, the flange nut and the bearing block are connected with screws, and in order to overcome the relative movement of the main screw and the bearing block, they are connected with straight pins; in order to protect the bearing block, the lower end of the bearing block is Interference installation heel piec...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B30B15/00B30B1/22
CPCB30B15/00B30B1/22
Inventor 徐济川
Owner 徐济川