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A transmission case clamp and clamping method thereof

A transmission and case technology, applied in the field of transmission case clamps and their clamping, can solve the problems of scrapping, affecting the operation performance of the transmission, cracking of the transmission, etc., so as to reduce production costs, improve production efficiency and economic benefits, and improve The effect of clamping efficiency

Active Publication Date: 2022-04-19
JIANGLU MACHINERY & ELECTRONICS GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The processing of automobile gearbox case is a process with complicated process and precise requirements. For example, if the deviation of processing size is light, it will affect the operation performance of the gearbox, and if it is heavy, it will cause the gearbox to crack and be scrapped directly.

Method used

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  • A transmission case clamp and clamping method thereof
  • A transmission case clamp and clamping method thereof
  • A transmission case clamp and clamping method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] A transmission case clamp provided by a preferred embodiment of the present invention includes a base plate 4 with a threaded hole 7, on which a support block 5 and a transmission case 6 are sequentially arranged, a pressure plate 1 is arranged inside the transmission case 6, and one end of the pressure plate 1 The support nail 2 is connected to the substrate 4 through the threaded hole 7 , and the other end is connected through the bolt 3 , and the bottom of the bolt 3 is connected to the substrate 4 through the threaded hole 7 .

[0042] Specifically: the diameter of the threaded hole 7 in the base plate 4 with threaded holes is similar to the diameter of the bolt hole of the transmission case body 6, and is used to support the support block 5 of the transmission case body. There is a hole for connecting with the base plate 4 with the threaded hole 7 Connection, the width of the support block 5 is slightly less than twice the diameter of the threaded hole 7.

Embodiment 2

[0044] On the basis of Embodiment 1, this embodiment also includes a clamping method, as follows:

[0045] Step 1: First, express the coordinates of the point corresponding to the center of the bolt hole of the box body in a two-dimensional coordinate system, then the point P0 with the smallest ordinate y must be a point on the desired contour.

[0046] Step 2: Perform a parallel transformation on the coordinates of the points corresponding to the centers of the bolt holes in all boxes, so that the initial point P0 obtained in step 1 becomes the coordinate origin.

[0047]Step 3: Calculate the angle α of the point corresponding to the center of each box bolt hole relative to the initial point P0 obtained in step 1, and sort the points corresponding to the center of each box bolt hole in ascending order. When α is the same, only keep the point that is farther away from the initial point P0 obtained in step 1, and delete all other points that are relatively close to the initial ...

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Abstract

The invention discloses a clamp for a transmission case and a clamping method thereof. It comprises a base plate with a threaded hole, on which a support block and a transmission case are sequentially arranged, a pressure plate is arranged in the transmission case, and one end of the pressure plate passes through the threaded hole through a support nail and connects with the transmission case. The base plate is connected, and the other end is through-connected with the bolt, and the bottom of the bolt is connected with the base plate through the threaded hole. The support block is provided with a small hole, which is used to connect with the base plate with threaded holes, and the width of the support is less than twice the diameter of the threaded hole, which greatly reduces the labor intensity of workers, reduces the auxiliary time in the processing process, and reduces the The production cost improves the production efficiency and economic benefits of the product, continuously optimizes the fixtures, tools, positioning references and machining allowances required on the processing machine tool, realizes the improvement of its clamping efficiency, and provides technical support for maximizing the liberation of human productivity. .

Description

technical field [0001] The invention belongs to the technical field of tooling fixtures, and relates to a transmission case fixture and a clamping method thereof. Background technique [0002] The vehicle gearbox is one of the important components that determine the quality and running performance of the vehicle. It mainly realizes the vehicle speed change by installing the rotating shaft drive. The machining of the gearbox case of an automobile is a complex and precise process. For example, if the deviation of the processing size is light, it will affect the performance of the gearbox, and if it is heavy, it will cause the gearbox to crack and be scrapped directly. In order to realize a complete gearbox case design, it is not only necessary to optimize the processing procedure, but also to continuously optimize the fixtures, tools, positioning references and machining allowances required on the processing machine. Therefore, the development of high-efficiency, high-precisi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23Q3/06
CPCB23Q3/062
Inventor 李晓峰肖玉斌吴昌硕钦椿凯孙光军王恩军汪洋肖石根
Owner JIANGLU MACHINERY & ELECTRONICS GROUP