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Fixture for machining tapered plunger hole in cylinder block of plunger pump

A technology of conical plunger and hole processing, applied in the direction of manufacturing tools, metal processing equipment, metal processing machinery parts, etc., can solve the problems of waste of equipment resources, low efficiency, unreasonable expenses, etc., and achieve the effect of preventing inflexible rotation

Inactive Publication Date: 2017-05-10
TAIZHONG GRP YUCI HYDRAULIC IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It is not only inefficient but also greatly wastes equipment resources, resulting in unreasonable overhead

Method used

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  • Fixture for machining tapered plunger hole in cylinder block of plunger pump
  • Fixture for machining tapered plunger hole in cylinder block of plunger pump

Examples

Experimental program
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Effect test

Embodiment 1

[0011] A tapered plunger hole processing fixture for a plunger pump cylinder, such as figure 1 and figure 2 As shown, it includes base plate 1, adapter plate 2, column 3, three-jaw chuck 4, drill template 5, quick-change drill sleeve 6, cylinder block 7, mandrel 8, tapered roller bearing 9, spring 10 and steel ball 11, The inclination angle of the base plate 1 is 5 degrees, the mandrel 8 is arranged on the base plate 1, the tapered roller bearing 9 is set on the mandrel 8, and the three-jaw chuck 4 is connected to the tapered roller bearing through the left and right connecting plates 2. 9 are connected, the cylinder 7 is placed in the three-jaw chuck 4 and clamped by the three-jaw chuck 4, the lower end of the column 3 is set on the bottom plate 1, the upper end of the column 3 is connected with one end of the drilling template 5, and the drilling template The other end of 5 is connected with the quick-change drill sleeve 6, and the quick-change drill sleeve 6 is matched wi...

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PUM

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Abstract

The invention relates a fixture for machining a tapered plunger hole, forming an angle with the axis, in a cylinder block of a plunger pump, and aims to provide the fixture for machining the tapered plunger hole in the cylinder block of the plunger pump, and the fixture is accurate in angle, reliable in quality and low in cost. The fixture is characterized in that a mandrel is arranged on a baseplate, a tapered roller bearing is arranged on the mandrel in a sleeving manner, a three-jaw chuck is connected with the tapered roller bearing through a left adapter plate and a right adapter plate, the cylinder block is placed in and clamped by the three-jaw chuck, the lower end of an upright is arranged on the baseplate, the upper end of the upright is connected with one end of a drill plate, the other end of the drill plate is connected with a prompt shifting drill sleeve, the prompt shifting drill sleeve is used together with the cylinder block, a plurality of round holes are uniformly formed in the position, on the outer side of the mandrel, of the baseplate, a spring hole is formed between one of the adapter plates and the baseplate, a spring and a steel ball are arranged in the spring hole, the steel ball is positioned under the spring, and the steel ball is used together with the round holes.

Description

technical field [0001] The invention relates to a processing fixture for a tapered plunger hole forming an angle with an axis in a plunger pump cylinder. Background technique [0002] The plunger pump has high pressure, large displacement, and can form a variety of variable modes, so it occupies a very important position in the hydraulic field. The cylinder block is one of the key parts in the plunger pump, which is related to the performance index of the entire product. The tapered plunger hole of the cylinder is one of its important structures. It is necessary to ensure the diameter of the index circle of multiple plunger holes, the diameter, roughness and shape tolerance of the plunger holes, and the accuracy of the angle. Therefore, finishing requires High, then the rough machining requirements also become very high, especially the pre-machining of the tapered plunger hole. Domestic plunger pump manufacturers are all pre-processing the tapered plunger hole of the cylin...

Claims

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Application Information

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IPC IPC(8): B23B47/28B23Q16/02B23Q11/00
CPCB23B47/28B23Q11/0042B23Q16/022
Inventor 王勇陈群立
Owner TAIZHONG GRP YUCI HYDRAULIC IND