Production device and corresponding production method of electronic expansion valve coil stator pole plate
A technology of electronic expansion valve and production device, which is applied in the manufacture of stator/rotor body, etc. It can solve the problems of low production efficiency, deformation of pole claws, high scrap rate of stator plate, etc., and achieve high production efficiency, easy alignment and processing accuracy high effect
Active Publication Date: 2016-05-11
福鼎市金闽辉机车部件有限公司
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Problems solved by technology
[0003] However, the structure of the existing stator plate is relatively complicated, and there are many steps in the manufacturing process. Each step of the manufacturing process needs to be aligned. If one of the steps is not completely aligned, the pole claws of the final stator plate will be deformed, and the stator plate will be deformed. The scrap rate is high and the production efficiency is low
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[0022] Due to the complex structure of the stator plate, the existing stator plate manufacturing process includes at least four stamping processes, but the stamping heads of different stamping processes are different, and need to be processed on different punching machines. Therefore, after the first stamping process is completed, it needs to be re-aligned on the second punching machine, and then stamped, and so on. A total of at least three or four alignment operations are required, which not only wastes time, but also reduces production efficiency. , the pole claws of the final stator plate will have different sizes, and the mechanical strength is poor, so that the final electronic expansion valve coil is prone to loosening and the pole claws of the stator plate are broken during use. To this end, the embodiment of the present invention provides a production device and corresponding production method for the coil stator plate of an electronic expansion valve. The stamping hea...
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The invention discloses a production device of an electronic expansion valve coil stator pole plate and a corresponding production method of the electronic expansion valve coil stator pole plate. The production method of the electronic expansion valve coil stator pole plate includes the steps that a punched strip is relatively fixed to a transmission frame; when conveyed by a conveying frame, the punched strip moves from one end of a first punching head to the other end of the first punching head in a grading mode; every time the punched strip moves by a preset distance, all punching heads punch the punched strip at the same time; the electronic expansion valve coil stator pole plate is formed after the punched strip is punched by all the punching heads. When conveyed by the conveying frame, the punched strip moves from one end of the first punching head to the other end of the first punching head, every time the punched strip moves by a preset distance, all the punching heads punch the punched strip at the same time, then the electronic expansion valve coil stator pole plate can be obtained, and as the punching heads punch one punched strip, alignment is easy, the machining accuracy is high, and the production efficiency is high.
Description
technical field [0001] The invention relates to the field of refrigeration equipment, in particular to a production device for a coil stator plate of an electronic expansion valve and a corresponding production method. Background technique [0002] The electronic expansion valve coil is a coil component applied to the electronic expansion valve PM motor in the refrigeration system, and is also the excitation source of the existing electronic expansion valve PM motor of the electronic expansion valve. The original electronic expansion valve coil generally uses a coil frame to wind a certain number of turns of enameled wire, and the joint of the enameled wire is welded together with three pins inserted in the socket end of the frame, and then two magnetically conductive stator plates are placed in the middle of the coil frame. A stator assembly is formed. [0003] However, the structure of the existing stator plate is relatively complicated, and there are many manufacturing p...
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IPC IPC(8): H02K15/02
Inventor 李伟李上军
Owner 福鼎市金闽辉机车部件有限公司