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Connecting rod expanding-cracking lathe

A connecting rod and machine tool technology, which is applied in the field of connecting rod breaking machine tools, can solve the problems of low bonding quality of the joint surface and complicated processing technology of the connecting rod, so as to simplify the structural design and overall processing technology, and save broaching and grinding Cutting and other processes, the effect of high product quality

Active Publication Date: 2013-04-03
KETENG IND PANYU CITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It is not difficult to see from the above process that the traditional connecting rod processing technology is complicated, and the joint surface of the connecting rod body and the connecting rod cover does not have a fully meshed staggered structure, so the joint quality of the joint surface is not high, and broaching and grinding of the joint surface are required and other processes, therefore, there is an urgent need for a device that can improve the degree of engagement between the connecting rod body and the connecting rod cover to improve the quality of the joint surface

Method used

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  • Connecting rod expanding-cracking lathe
  • Connecting rod expanding-cracking lathe
  • Connecting rod expanding-cracking lathe

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0029] Such as Figure 1 to Figure 9 Shown, connecting rod breaking machine, including

[0030] Conveyor chain, the conveyor chain is a chain used for the transmission of connecting rod workpieces. The conveying chain is provided with a pallet fixture 9 for fixing the connecting rod workpieces. A stopper device is installed on the conveying chain to facilitate manual loading and unloading of the connecting rods. The feeding position of the connecting rod is also equipped with an organic type identification device and a workpiece presence or absence detection device. After the machine type identification, the equipment can be protected from damage to the key tooling and fixtures such as the equipment and the broken head through the chain control of the PLC;

[0031] As a preferred solution, the pallet fixture 9 includes a bottom plate 91, a first limiting block group 92, and a second limiting block group 93; the first limiting block group 92 is affixed to the bottom plate 91, a...

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PUM

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Abstract

The invention discloses a connecting rod expanding-cracking lathe, comprising a transmission chain, an expanding-cracking assembly, a bolt screwing assembly and a bush pressing assembly, wherein the expanding-cracking assembly, the bolt screwing assembly and the bush pressing assembly are sequentially located on a transmission journey of the transmission chain. According to the connecting rod expanding-cracking lathe provided by the invention, a combination face of a rod body and a connecting rod cover is in an entirely engaged staggered structure through a connecting rod separating face expanding-cracking process, so that the combination quality of the combination face is improved, the combination face has no need of being machined, and procedures of broaching, grinding and the like of a separating face can be eliminated; and meanwhile, the structural design of a bolt hole of the connecting rod and a whole body machining process further can be simplified, and the requirement on machining precision of the bolt hole can be reduced.

Description

technical field [0001] The invention relates to a connecting rod breaking machine tool. Background technique [0002] The engine is the heart of the car. As an important part of the engine, the connecting rod bears high periodic impact force, inertial force and bending force during the working process. The manufacturing quality of the connecting rod directly affects the performance and reliability of the engine. According to the traditional connecting rod processing technology, the process is generally as follows: first cut the connecting rod body, then process the joint surface of the connecting rod body and the connecting rod cover by milling, drawing, grinding, etc., and then rough machining and semi-finishing the connecting rod Rod body, big head hole, small head hole, then finish machining the positioning pin hole of the connecting rod cover and the bolt hole of the connecting rod body, finally assemble the connecting rod body and connecting rod cover, and finish machin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23D31/00B23D33/02B23P21/00
Inventor 龚福岐
Owner KETENG IND PANYU CITY
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