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Special automatic disassembly tool and automatic disassembly method for engine cylinder cover seat ring

An automatic disassembly and engine technology, applied in metal processing, manufacturing tools, metal processing equipment, etc., can solve the problems of difficult removal of seat rings, scrapped cylinder heads, etc., and achieve the effects of reducing product waste, saving production costs, and improving labor productivity

Active Publication Date: 2012-05-30
杭州德曼汽车零部件有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there is an objective fact: since the seat ring is cooled with liquid nitrogen when it is pressed into the cylinder head, the design interference is 0.10-0.15mm, and the seat ring material is V5 (cannot be welded), so it is difficult to remove the seat ring , a little carelessness will cause the entire cylinder head to be scrapped

Method used

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  • Special automatic disassembly tool and automatic disassembly method for engine cylinder cover seat ring
  • Special automatic disassembly tool and automatic disassembly method for engine cylinder cover seat ring

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0009] Embodiment 1: with reference to attached figure 1 . The special tooling for automatic disassembly of the engine cylinder head seat is composed of electromagnetic hammer 3, horn pin 2 and elastic manipulator. The elastic manipulator is located at one end of the base 1, the electromagnetic hammer 3 is located at the other end of the base 1 through the support 2, and the end of the horn pin 2 is a round surface. Conical body, the other end is the rod end of force.

[0010] The circular surface of the circular conical body of the horn pin 2 coincides with the inner diameter of the engine cylinder head seat ring hole and is a clearance fit.

[0011] The circular conical body in the trumpet pin 2 and the end of the force-bearing rod are in a separate plug-in structure.

[0012] Described elastic manipulator is made of finger top 7, moving plate 9, spring 10, guide column 11 and fixed plate 12, and fixed plate 12 is erected and bottom is fixed on the base 1, and described fi...

Embodiment 2

[0013] Embodiment 2: On the basis of embodiment 1, the dismounting method of the special frock for automatic dismounting of the engine cylinder head seat is characterized in that: (1) the engine cylinder to be dismantled is placed on the base, and the engine cylinder head seat 4 and the elastic manipulator The finger top 7 is elastic fit; (2) put the circular cone of the horn pin 2 into the seat ring from the side hole of the engine cylinder and make the circular surface of the circular cone contact the engine cylinder head seat ring, and then Perforate the stress rod through the hole in the engine cylinder and plug it with the circular cone; (3) Start the electromagnetic hammer 3 to strike the stress rod and the striking force of the electromagnetic hammer 3 is greater than the elastic force of the finger top 7 in the elastic manipulator. After several times After that, the engine cylinder head seat can be removed.

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Abstract

The invention relates to a special automatic disassembly tool and an automatic disassembly method for disassembling an engine cylinder cover seat ring. The tool consists of an electromagnetic hammer, a horn pin and an elastic manipulator, wherein the elastic manipulator is positioned at one end of a base, the electromagnetic hammer is positioned at the other end of the base through a support, oneend of the horn pin is a circular cone, and the other end of the horn pin is a stress rod end. The tool and the method have the advantages that: 1, waste products caused by processing an engine seat ring hole are greatly reduced, the production cost is saved and the labor productivity is improved; and 2, the seat ring taking tool has novel, unique and simple process and can take out one seat ringin about 1 minute.

Description

technical field [0001] The invention relates to a special tool for automatically dismantling an engine cylinder head seat and an automatic disassembly method, which are specially used for dismantling an engine cylinder head seat, and belongs to the field of manufacturing the special tool for disassembling an engine cylinder head seat. Background technique [0002] During the processing of the engine cylinder head seat ring hole, due to the high precision requirements of the product, waste products are generated during the processing process. Under normal circumstances, there are about 120 cylinder heads scrapped by the factory plus the manufacturer due to the problem per day. Since the cylinder head blank price is 300 yuan / piece, considering the production cost, it is necessary to take out the seat ring of this type of cylinder head, press the seat ring again, and rework again. However, there is an objective fact: since the seat ring is cooled with liquid nitrogen when it i...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23P19/04
Inventor 沈铭方
Owner 杭州德曼汽车零部件有限公司