A Double Center Clamp Structure of Large Hub Wheel

Abstract

The invention discloses a double center clamp structure of a large hub wheel, which comprises a large hub wheel, a center clamp mandrel, a cam crankshaft, a roller, and a center clamp spoke plate. A cam crankshaft is installed on one end of the center fixture mandrel, and Rollers are installed at one end of the center clamp, and the center clamp spoke plate is installed on the big hub wheel and connected with the big hub wheel through bolts; the center clamp mandrel is installed in the hole of the center clamp spoke plate through an oil bearing The other end of the mandrel is equipped with a torsion spring fixing sleeve and a torsion spring. On the mandrel of the center fixture and in the outer circular groove of the spoke plate of the center fixture, a center fixture fixing seat 1 and a center fixture fixing seat 2 are installed, and the center fixture is fixed. Seat 1 can adjust the position along the chute on the mandrel of the center fixture. Center fixture 1 is provided with center fixture 1. Center fixture 2 is provided with center fixture 2. This technical solution has a good clamping effect. The paper bags produced are more smooth and beautiful.

Description

technical field [0001] The invention relates to a paper bag machine, in particular to a double center clip structure of a large hub wheel. Background technique [0002] The paper bag machine is used to process packaging bags or other paper bags. During production, paper bags of different widths are usually produced according to the needs. The function of the center clamp is to clamp the bag blank to complete the subsequent steps. At present, there is only one center clamp. The width of the bag is adjusted. Due to the softness of the paper, when pulling a wider bag blank, it is easy to cause the bag blank to be uneven and affect the appearance quality of the finished product. Contents of the invention [0003] In view of the deficiencies in the prior art, the purpose of the present invention is to provide a single center clip or double center clips that can be selected according to the width of paper bags of different sizes during production, and the distance between the ce...

AI Technical Summary

Problems solved by technology

[0002] The paper bag machine is used to process packaging bags or other paper bags. During production, paper bags of different widths are usually produced according to the needs. The function of the center clamp is to clamp the bag blank to complete the subsequent steps. At present, there is only one center clamp. Adjust the width of the bag. Due to the softness of the paper, it is easy to cause the bag blank to be uneven when pulling a wider bag blank, which will affect the appearance quality of the finished product.

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