Pressing guiding clamp for engine cylinder sleeve

A technology for engine cylinders and cylinder liners, which is applied in the direction of manufacturing tools, workpiece clamping devices, metal processing, etc., can solve the problems of cylinder liners, cylinder blocks, scrapped cylinder blocks, small wall thickness, and difficult positioning of cylinder liners, etc., to achieve reduction The scrap rate and the effect of improving the press-fitting efficiency

Active Publication Date: 2020-07-14
浙江三人机械有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The wall thickness of the dry cylinder liner is small, and it is fitted with an interference fit with the cylinder bore of the cylinder block. During assembly, the dry cylinder liner is generally pressed into the cylinder bore of the engine block by a hydraulic press. Small, the cylinder liner is not easy to locate during the press-fitting process, and the cylinder liner c

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0020] Examples, see e.g. Figure 1 to Figure 4 As shown, a press-fit guide fixture for an engine cylinder liner includes a first positioning part 1 and a second positioning part 2 that are detachably connected up and down, and a cylinder liner 91 is clamped between the first positioning part 1 and the second positioning part 2, the first positioning part 1 includes a mandrel 11, the lower end of the mandrel 11 is fixed with a base 12, and the upper end of the base 12 is fixed with two lower positioning blocks 13 arranged symmetrically. The outer wall is formed with an arc-shaped surface 131 that matches the inner wall of the cylinder liner 91, and the arc-shaped surface 131 is coaxially arranged with the mandrel 11; the base 12 is sleeved with two central positioning blocks 14 that are symmetrically arranged left and right. , the two central positioning blocks 14 are provided with a driving mechanism 3 that drives them away from each other or close to each other; the upper end o

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PUM

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Abstract

The invention discloses a pressing guiding clamp for an engine cylinder sleeve. The clamp comprises a first positioning part and a second positioning part; the first positioning part comprises a mandrel, a base is fixed to the lower end of the mandrel, two lower positioning blocks which are arranged in a bilateral symmetry mode are fixed to the base, arc-shaped faces matched with the inner wall ofthe air cylinder sleeve are formed on the lower positioning blocks, two center positioning blocks which are arranged in a bilateral symmetry mode are sleeved with the base, and the two center positioning blocks are provided with a driving mechanism which drive the two center positioning blocks to be away from or close to each other, and an outer wall thread is formed at the upper end of the mandrel; and the second positioning part comprises a jacking table, an inner wall thread matched with the outer wall thread is formed in the middle of the jacking table, a positioning sleeve is formed on the lower bottom face of the jacking table, and the air cylinder sleeve is clamped between the lower bottom face of the jacking table and the upper side walls of the two center positioning blocks. According to the clamp, the cylinder sleeve can be guided to be rapidly and stably inserted into a cylinder hole so that the cylinder sleeve pressing efficiency can be effectively improved, and meanwhilethe rejection rate is reduced.

Description

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Claims

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Application Information

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Owner 浙江三人机械有限公司
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