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Direct-drive oil parallel sewing machine

A technology of lockstitch sewing machines and couplings, which is applied in the direction of sewing machine components, sewing machine control devices, sewing equipment, etc., which can solve the problems that the outer circle is not closed, easily deformed, and affects sewing performance, so as to ensure sewing performance and ensure The effect of connection rigidity

Inactive Publication Date: 2009-11-18
SHANGHAI GUIYI SEWING EQUIP MFG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Depend on figure 1 It can be seen that in the prior art, the coupling device is: the coupling A is connected with the coupling rubber 1 and then connected with the coupling B. These three parts are installed in the bearing together. It can be seen from the diagram that the existing Couplings A and B, the outer circle is not closed, it is easy to deform during the process of pressing into the bearing 2, thus affecting the connection between the motor 3 and the upper shaft, and it is easy to produce relative movement during operation, thus affecting the sewing performance

Method used

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Embodiment Construction

[0011] Below in conjunction with accompanying drawing and specific embodiment the present invention is described in further detail:

[0012] Depend on figure 2 It can be seen that the present invention includes: motor 3, bearing 2; also includes: first coupling A, coupling rubber 1, and second coupling C between the motor 3 and bearing 2; the first coupling The shaft joint A is connected with the shaft of the motor 3, and on the outer side of the first joint joint A are the joint joint rubber 1 and the second joint joint C; The outer circle around the rubber 1 is a closed ring structure.

[0013] The outer circle of the shaft coupling C in the present invention has been changed into a whole, and no deformation will occur in the process of pressing into the bearing, so that the rigidity is improved, and there will be no relative rotation between the two; due to the adoption of this The structure ensures the rigidity of the connection and indirectly guarantees the sewing perf...

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PUM

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Abstract

The invention relates to a direct-drive oil parallel sewing machine which comprises a motor (3), a bearing (2), and also comprises a first union joint (A) arranged between the motor (3) and the bearing (2), union joint rubber (1), and a second union joint (C), wherein the first union joint (A) is connected with a shaft of the motor (3), the outer side of the first union joint (A) is sequentially provided with the union joint rubber (1) and the second union joint (C); and an excircle of the second union joint (C) covered around the union joint rubber (1) has a closed ring structure. The invention ensures the connection rigidity and indirectly ensures the sewing property.

Description

technical field [0001] The invention relates to a direct-driven oil-filled sewing machine, in particular to an upper shaft coupling device in the direct-driven oil-filled sewing machine. Background technique [0002] Direct drive oil high-speed lockstitch sewing machine (SGY2-9000) is a sewing equipment used for general sewing materials such as shirts and coats. [0003] The machine is connected with the upper shaft through the motor and coupling device, thereby driving the upper shaft to rotate, the upper shaft drives the vertical shaft to rotate through the bevel gear, and the vertical shaft drives the lower shaft to rotate through the bevel gear, so that the upper shaft and the lower shaft form a certain relationship. Sync relationship. [0004] Depend on figure 1 It can be seen that in the prior art, the coupling device is: the coupling A is connected with the coupling rubber 1 and then connected with the coupling B. These three parts are installed in the bearing toget...

Claims

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Application Information

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IPC IPC(8): D05B69/12F16D1/02
Inventor 黄志云
Owner SHANGHAI GUIYI SEWING EQUIP MFG
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