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Motor-driven lifting and pressing and thread trimming mechanism for button attaching machine

A wire-cutting mechanism and a machine-motor technology, applied in the field of button-stitching machines, can solve the problems of large suction force of electromagnets, easy gaps in connecting parts, and large impact of related connecting parts, etc., and achieves convenient operation, simple structure, and extended force arm. Effect

Pending Publication Date: 2020-12-08
BULLMER ELECTROMECHANICAL TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The disadvantages of the above-mentioned mechanism are: the mechanism has high requirements on the electromagnet suction force, and the life of the electromagnet is difficult to guarantee; the electromagnet suction force is large and rapid, and has a large impact on the relevant connecting parts; gaps are prone to appear between the connecting parts, generating noise and affecting the movement accuracy

Method used

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  • Motor-driven lifting and pressing and thread trimming mechanism for button attaching machine
  • Motor-driven lifting and pressing and thread trimming mechanism for button attaching machine
  • Motor-driven lifting and pressing and thread trimming mechanism for button attaching machine

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] Embodiment one: contrast with attached figure 1 And attached figure 2 , a thread lifting mechanism driven by a button sewing machine motor, the output shaft of the motor 1 is connected with a driving rod 2 for lifting, pressing and cutting through a transmission assembly, and the driving rod 2 for lifting, pressing and cutting is hinged on a fixed rotation axis On the screw 3, one end of the lifting and trimming drive rod 2 is connected with a lifting component, and the other end is connected with a trimming component. The rotary shaft screw 3 rotates in different directions, and drives the action of lifting the pressure and cutting the line and the action of reset respectively.

[0035] Control attached Figure 7 And attached Figure 8 , the pressure-lifting and cutting-line driving rod 2 is a reverse Z-shaped rod, and the connection structure with other components is: the transmission component and the wire-cutting component are both hinged at the lower end of the...

Embodiment 2

[0043] Embodiment two: contrast with attached image 3 And attached Figure 4 , the present invention also provides another transmission assembly, including: a driving gear 17 fixed on the motor shaft, the driving gear 17 meshing with a driven gear 18 fixed on the transmission shaft 14, the transmission shaft 14 Also be fixed with transmission crank 19, described transmission crank 19 is hinged with one end of transmission connecting rod 16, and the other end of transmission connecting rod 16 is hinged with lifting pressure trimming driving rod 2. The other components in the second embodiment, such as the pressure-lifting and thread-cutting driving rod 2, the lifting-pressing assembly and the thread-cutting assembly, are the same as those in the first embodiment.

[0044] The driving gear 17 is fixed on the end of the motor shaft, the driven gear 18 is fixed on the end of the transmission shaft 14 , and there is a gap between the driving crank 19 and the driven gear 18 .

[...

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Abstract

The invention belongs to the technical field of button attaching machines, and relates to a motor-driven lifting and pressing and thread trimming mechanism for a button attaching machine. An output shaft of a motor is connected with a lifting and pressing and thread trimming driving rod through a transmission assembly, the lifting and pressing and thread trimming driving rod is hinged to a fixed rotating shoulder screw, one end of the lifting and pressing and thread trimming driving rod is connected with a lifting and pressing assembly, and the other end of the lifting and pressing and threadtrimming driving rod is connected with a thread trimming assembly; and the motor is a two-way motor, when a motor shaft rotates in two directions, the motor shaft drives the lifting and pressing and thread trimming driving rod to rotate in different directions around the rotating shoulder screw correspondingly and a lifting and pressing and thread trimming action and a reset action are driven respectively. According to the motor-driven lifting and pressing and thread trimming mechanism for the button attaching machine, impact on related connecting pieces is reduced, noise is lowered, and the service life of products is prolonged.

Description

technical field [0001] The invention belongs to the technical field of button sewing machines, and relates to a button sewing machine motor-driven lifting pressure cutting thread mechanism. Background technique [0002] At present, most chain-type button sewing machines use electromagnets to drive the link mechanism to drive the lifting and thread cutting mechanisms. For example: [0003] Chinese invention patent application CN106988032A discloses an automatic presser foot lifting mechanism and a button sewing machine, which includes a driving member, a connecting rod connected to the driving member for linear reciprocating motion, and a presser foot lifting rod, which is rotated and positioned , one end of the presser foot lifting rod is slidably connected to the end of the connecting rod through a sliding assembly, and the sliding direction of the sliding assembly forms an included angle with the moving direction of the connecting rod, and the other end of the presser foo...

Claims

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Application Information

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IPC IPC(8): D05B65/00D05B29/02D05B69/10D05B69/02
CPCD05B65/00D05B29/02D05B69/10D05B69/02
Inventor 陈桂林朱锦洲
Owner BULLMER ELECTROMECHANICAL TECH
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