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Sewing machine head machining process

A processing technology and sewing machine technology, applied in the processing technology field of sewing machine head, can solve the problems of low processing efficiency, neglected process, deviation of processing content, etc., so as to reduce the number of clamping, facilitate installation and operation, and reduce clamping effect of error

Active Publication Date: 2020-01-17
湖南凯斯机械股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Now the sewing machine head has a relatively large negligent process in processing. In the previous processing process, the assembly surface of the sewing machine head was processed first, and the assembly surface was the rear reference plane of the sewing machine head. Let me use the assembly surface as the reference plane for positioning. Clamping is used to process the front end and rear end of the sewing machine head, and then the top surface, A surface and B surface of the sewing machine are processed based on the assembly surface, and then the spindle hole is processed on the assembly surface as the reference surface, and then The needle bar hole and the pressure bar hole on the top surface of the sewing machine head are processed with the main shaft hole as the positioning reference, so as to ensure the perpendicularity of the main shaft hole, the needle bar hole, and the pressure bar hole, and at the same time, the above method is used to process the sewing machine head. , In this way, the number of process clamping of the sewing machine head is more, which is easy to produce positioning errors, so that the position tolerance of the processing content will produce a large deviation, resulting in a corresponding decrease in the accuracy of the processing content, which will affect the later installation of the sewing machine head and operation; if there are many times of clamping at the same time, it will take more time for clamping, so that there is a time interval between clamping between each process, which leads to relatively low processing efficiency, and at the same time cannot guarantee that the processing content of the sewing machine head position tolerance

Method used

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  • Sewing machine head machining process
  • Sewing machine head machining process
  • Sewing machine head machining process

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Embodiment Construction

[0025] Now in conjunction with accompanying drawing, the present invention is further elaborated.

[0026] Such as Figure 1-8 As shown, a processing technology of a sewing machine head includes process one, process two and process three:

[0027] The first process is to place the sewing machine head to be processed on the fixture of the workbench of the vertical machining center, with three points on the A surface and two points on the top surface of the sewing machine head, and one point on the E surface in the direction of the spindle hole 8 of the machine head (that is, The front end face 3 or the rear end face 4 of the sewing machine head), the A face 2 is positioned at three points, and its distribution is that there are two points on the A face 2 near the rear end face 4, and on the A face 2 near the front end face There is a point at the 3 places, and the positioning point on the fixture corresponding to the 3 places on the A surface 2 near the front end has a balance...

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Abstract

The invention discloses a sewing machine head machining process. The sewing machine head machining process comprises a first procedure, a second procedure and a third procedure; and machining contentsneeding position tolerances on sewing machine heads are performed on the same equipment, so that corresponding clamping errors can be reduced, and the position tolerances of the machining contents are guaranteed to achieve subsequent installation and operation of the sewing machine heads.

Description

technical field [0001] The invention relates to the field of sewing machine processing technology, in particular to a processing technology of a sewing machine head. Background technique [0002] Now the sewing machine head has a relatively large negligent process in processing. In the previous processing process, the assembly surface of the sewing machine head was processed first, and the assembly surface was the rear reference plane of the sewing machine head. Let me use the assembly surface as the reference plane for positioning. Clamping is used to process the front end and rear end of the sewing machine head, and then the top surface, A surface and B surface of the sewing machine are processed based on the assembly surface, and then the spindle hole is processed on the assembly surface as the reference surface, and then The needle bar hole and the pressure bar hole on the top surface of the sewing machine head are processed with the main shaft hole as the positioning re...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23P15/00
CPCB23P15/00
Inventor 申建春孙福林曹宁端吴德松罗魁
Owner 湖南凯斯机械股份有限公司
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