Manufacturing method and manufacturing device of a clutch lever of a fishing reel component
A technology of a clutch lever and a manufacturing method, applied in clutches, friction clutches, mechanical drive clutches, etc., can solve the problems of a large amount of working time, dimensional accuracy differences, and productivity decline, and achieve easy cold forging, shortened manufacturing time, and improved productivity. Effect
Inactive Publication Date: 2017-09-05
SERIM T & D
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Problems solved by technology
[0004] This kind of clutch lever is manufactured by cutting the raw material made of aluminum plate according to the size of the part and cutting it. In the aspect of cutting and machining the clutch lever of complex shape, it not only takes a considerable amount of time, but also depends on the proficiency of the operator. There is also a large difference in dimensional precision, so it takes a lot of work time for parts that require precise work, and there is a problem that productivity drops significantly.
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[0055] Preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
[0056] The present invention relates to a manufacturing method for manufacturing a clutch lever in a fishing reel unit and a manufacturing device therefor, such manufacturing method of the present invention asfigure 1 As shown, it consists of the raw material preparation step (S10), the first forging step (S20), the second forging step (S30), the trimming and punching step (S40), and the cutting processing step (S50). Each step is described in detail.
[0057] a. Raw material preparation step (S10)
[0058] Raw material preparation step (S10) such as Figure 3a and Figure 3b As shown, a raw material (10A) formed in a rectangular shape with a protrusion (11) formed on the upper side is prepared. This raw material (10A) is as figure 2 As shown, in order to facilitate forging in the first forging step (S20) described later, the heat treatment...
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The invention relates to a manufacturing method for a clutch lever of a fishing reel component and a manufacturing device for the clutch lever. The manufacturing method comprises the following steps: preparing raw materials; forging for the first time; forging for the second time; cutting edges and punching; cutting. The manufacturing device for the clutch lever comprises a first forging unit, a second forging unit, an edge-cutting and punching unit and a machining unit. The clutch lever with a complicated shape can be easily and rapidly manufactured by a continuous cold forging method; the clutch lever is compact in texture and precise in size by virtue of forging; in addition, the manufacturing time of a product is shortened, so that the manufacturing method and the manufacturing device are suitable for mass production, and are high in productivity; furthermore, thermal treatment is carried out before cold forging, so that cold forging is relatively easy. A membrane treating agent coats the surface of the product, so that the product is easy to demold from a mold after being forged; the continuous operation can be relatively rapidly carried out.
Description
technical field [0001] The present invention relates to a manufacturing method and a manufacturing device for a clutch lever of a fishing reel component, and more specifically, relates to a device that can be manufactured with a dense and strong structure by means of cold forging, belonging to a fishing reel A method for manufacturing a clutch lever of a component and an apparatus for manufacturing the same. Background technique [0002] In the fishing reel, in order to adjust the drag force, a fishing power valve mechanism that brakes the rotation of the spool in the direction of releasing the fishing line is installed. This fishing power valve mechanism rotates with the operating member, and the operating member The threaded part of the screw member moves in the axial direction of the screw member, and the drag force is adjusted while the friction force of the friction mechanism changes. [0003] At this time, in the fishing power valve mechanism, a clutch lever is instal...
Claims
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IPC IPC(8): B23P15/00B21J13/02B21D28/02B21D28/14
CPCB21D28/02B21D28/14B21J13/02B23P15/00F16D13/58
Inventor 金昌东
Owner SERIM T & D