Cutting ring forming mechanism and commutator copper shell forming method
A molding method and commutator technology, applied in the direction of commutator manufacturing, etc., can solve the problems of increasing the instability of the overall mold and increasing the number of mold parts, so as to reduce construction steps and parts, facilitate stable operation, and reduce work steps. Effect
Active Publication Date: 2021-02-23
ZHEJIANG GREATWALL COMMUTATOR
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Problems solved by technology
In order to ensure that the outer ring of the copper shell is closer to a circle, multiple bending processes are required, resulting in an increase in the number of parts of the entire mold, and an increase in the instability of the overall mold during operation, which needs to be improved
Method used
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Embodiment Construction
[0047]The present application example discloses a cutting ring mechanism, referencefigure 1 The initial extrusion assembly 1, extrusion ring assembly 2, and the pirant assembly 3 are included.
[0048]Referencefigure 1 ,figure 2 The preliminary extrusion assembly 1 includes a first lower fixed block 4 relatively fixedly arranged on the lower mold and a first upper fixed block 5 relatively fixedly arranged on the upper mold. When the upper mold and the lower mold are closed, the first upper fixed block 5 moves to the first lower fixed block 4 and forms a wave-shaped mold cavity 6 with a concave center and convex sides for the placement of copper strips.
[0049]Referencefigure 2 ,image 3 , A tip 7 is integrally formed on the left side of the first upper fixing block 5, and the lower end of the tip 7 is a tip. The copper strip enters the first upper fixing block 5 and the first lower fixing block from the left in the mold 4, during the mold clamping process, the first upper fixed block 5 mo...
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The invention discloses a cutting ring forming mechanism, which relates to the field of commutator copper shell production, and comprises a preliminary extrusion assembly, an extrusion ring forming assembly and a pushing assembly. The preliminary extrusion assembly comprises a first lower fixing block arranged on a lower die and a first upper fixing block arranged on an upper die. The first lowerfixing block and the first upper fixing block are both used for extruding a copper strip and form a wave-shaped die cavity with a concave middle and two convex sides. The extrusion ring forming assembly comprises a second lower fixing block arranged on the lower die, a second upper fixing block arranged on the upper die and a center rod arranged on the lower die. The second lower fixing block, thesecond upper fixing block and the center rod form an annular die cavity. The pushing assembly comprises a first sliding rod used for moving the copper strip extruded by the preliminary extrusion assembly to the extrusion ring forming assembly. The mechanism has the effects of reducing overall die parts and facilitating stable operation of a copper shell production die.
Description
Technical field[0001]The present application relates to the field of commutator copper shell production, and more particularly to a cutting ring mechanism and a commutator copper shell forming method.Background technique[0002]The copper shell of the commutator is in the production and processing process, which is driven by the drive source in the horizontal direction, and then transversible, cut, chamfer, chamfer, and chamfering, and chamfering, and Cut off and bending a ring.[0003]Among them, transversely: cutting copper with waste and forms an inner hook; cutting edge: cutting copper with waste, forming a hook, hook portion is a backward commutator wound wire; chamfer: Some corners of the hook portion, It is beneficial to protect the laminated wire to avoid partitioning wires; cut off: Copper strips are cut; bending ringing: the cut copper strip is gradually curved and form a cyclic copper shell.[0004]However, in the process of bending ring, the copper strip is typically made of a...
Claims
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IPC IPC(8): H01R43/06
CPCH01R43/06
Inventor 吴雄伟刘成凤魏军棵张华永林威黄旭环王德清
Owner ZHEJIANG GREATWALL COMMUTATOR