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Lathe chuck fixture for stainless steel forged rail machining

A lathe chuck, stainless steel technology, applied in the direction of manufacturing tools, metal processing equipment, metal processing machinery parts, etc., can solve the problems of inaccurate processing accuracy, inability to process both ends of forged rails, and inconsistent processing dimensions, etc., to achieve guaranteed accuracy , The effect of shortening the processing time of a single piece

Pending Publication Date: 2018-08-17
SHANGHAI ZHONGYUAN FUEL RAIL MFG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, most of the existing clamping and fixing devices are used for the processing of the front of the stainless steel forged rail, and it is impossible to process the two ends of the forged rail. Not allowed, the processing size is not uniform

Method used

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  • Lathe chuck fixture for stainless steel forged rail machining
  • Lathe chuck fixture for stainless steel forged rail machining
  • Lathe chuck fixture for stainless steel forged rail machining

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Such as Figure 1-6 , a lathe chuck fixture for processing stainless steel forged rails, including an upper die 1 and a lower die 2 cooperating with the upper die 1, both of the upper die 1 and the lower die 2 are semi-cylindrical structures, and the upper die 1 and the lower die 2 There is a cavity inside that matches the shape of the forged rail workpiece 3. The upper mold 1 and the lower mold 2 engage the forged rail workpiece 3 between them and form a cylindrical structure, wherein the upper mold 1 is aligned along the axial direction Symmetrical upper mold bosses 11 are provided on both sides of the upper mold boss, and upper mold bosses 11 are provided with positioning pins 12 and pressure plates 13, and upper mold sinking grooves 14, first square platform 15, upper mold Cavity 16, second square platform 17, the two sides of lower die 2 along the axial direction are provided with symmetrical lower die bosses 21, lower die bosses 21 are provided with positioning pi...

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Abstract

The invention relates to a lathe chuck fixture for stainless steel forged rail machining. The lathe chuck fixture comprises an upper mold and a lower mold which are each of a semi-cylindrical structure, cavities matched with the appearance of a forged rail workpiece are formed in the upper mold and the lower mold, the forged rail workpiece is clamped between the upper mold and the lower mold, anda cylindrical structure is formed; symmetrical upper mold bosses are arranged on the two edges, in the axial direction, of the upper mold, each upper mold boss is provided with positioning pins and pressing plate blocks, and an upper mold countersunk groove, a first square platform, an upper mold cavity and a second square platform are sequentially arranged between the two upper mold bosses; and symmetrical lower mold bosses are arranged on the two edges, in the axial direction, of the lower mold, each lower mold boss is provided with positioning pin holes, and a lower mold countersunk groove,a first lower mold groove, a lower mold cavity and a second lower mold groove are sequentially formed between the two lower mold bosses. According to the lathe chuck fixture, machining of forged railtwo ends including the oil inlet end and the pressure detecting end is completed, the upper mold and the lower mold are closed and then put into two jaw chucks to be clamped for machining, an irregular forged rail workpiece can be effectively clamped and fixed, and the machining precision is guaranteed.

Description

technical field [0001] The invention relates to forging rail processing equipment, in particular to a lathe chuck fixture used for processing stainless steel forging rails. Background technique [0002] Most of the high-pressure forged rails are used for diesel engines, and the material is carbon steel, which has good machining performance. With the improvement of emission requirements, the working pressure of the engine fuel system is increased to 350bar, and stainless steel forged rails appear. At present, more and more engines are made of stainless steel forged rails, such as fuel injector seats used to manufacture engines. During the processing of the stainless steel forged rail blank, it must be fixed by the device first, and the processing benchmark must be defined before it can be processed. Since the stainless steel forging rail blank is long and irregular in shape, it is not easy to precisely fix it and realize the processing of the processed surface. With the ra...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23Q3/12B23Q3/00
CPCB23Q3/00B23Q3/12
Inventor 宋晓伟
Owner SHANGHAI ZHONGYUAN FUEL RAIL MFG
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