Shaft stopping nut cold extrusion die
A cold extrusion and nut technology, applied in metal extrusion dies and other directions, can solve the problems of low production efficiency, cumbersome processing methods, and large consumption of raw materials.
Inactive Publication Date: 2013-10-02
WENZHOU GUODA STANDARD PARTS
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Problems solved by technology
[0002] At present, there is a kind of nut called shaft stop nut. The shaft stop nut is used in the assembly of universal wheels. It is a kind of fastener. Copper rods are used as raw materials. Processing and other processes, this processing method is cumbersome, consumes a lot of raw materials, and has low production efficiency. However, the cold extrusion die for shaft block nuts has the advantages of simple processing, saving raw materials, and high production efficiency. Cold Extrusion Die for Shaft Block Nuts for Nuts
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[0013] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.
[0014] Please combine figure 1 , figure 2 , image 3 , Figure 4 shown.
[0015] The cold extrusion die of the shaft block nut of the present invention includes a die handle 1, an upper mold fixing plate 2 sequentially connected by fasteners from top to bottom, a backing plate 3 and a fixing plate 4 with an upper punch 5 axially limited, The cover 6, the ejector pin fixing plate 7, the lower template 8, the lower mold fixing plate 9, the lower mold sleeve 10, the middle sleeve 11 and the lower mold 12 connected sequentially by fasteners from bottom to top, are used to connect the lower template 8 and the fastener between the ejector rod fixing plate 7 are provided with a return spring 13, the lower end surface of the upper punch 5 is a plane, which is used to form the upper end surface 14.1 of the shaft stop nut 14, and the lower end surfa...
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The invention provides a shaft stopping nut cold extrusion die. The die comprises: a die handle; an upper die fixing board, a baseboard and a fixed board which are sequentially connected from top to down through fasteners, wherein the fixed board is axially provided with an upper punching head in a limiting mode; and an end cover, a top rod fixing board, a lower die board, a lower die fixing board, a lower die sleeve, a middle sleeve and a lower die which are sequentially connected from down to top through fasteners; and a fastener for connecting the lower die board with the top rod fixing board is sleeved with a reset spring, the lower end surface of the upper punching head is a plane, the lower die is provided with an upper hole and a molding hole slidingly matched with the lower end of the upper punching head from top to bottom, the top rod fixing board is axially provided with a top rod in a limiting mode, the top rod upward sequentially traverses through the lower die board and the lower die fixing board to enter the through hole of the lower die sleeve and be connected with a limiting end and the top block matched with the through hole, the free end of the top block traverses through the middle sleeve to enter the upper hole of the lower die, the lower die fixing board is axially provided with a die core in a limiting mode, and the die core traverses out of the free end of the top block and is slidingly matched with the positioning hole of the upper punching head. The shaft stopping nut cold extrusion die can be used for producing shaft stopping nuts.
Description
technical field [0001] The invention relates to a cold extrusion die for producing universal wheel fasteners, more precisely, to a cold extrusion die for shaft stop nuts. Background technique [0002] At present, there is a kind of nut called shaft stop nut. The shaft stop nut is used in the assembly of universal wheels. It is a kind of fastener. Copper rods are used as raw materials. Processing and other processes, this processing method is cumbersome, consumes a lot of raw materials, and has low production efficiency. However, the cold extrusion die for shaft block nuts has the advantages of simple processing, saving raw materials, and high production efficiency. Nut shaft block nut cold extrusion die. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a cold extrusion die for shaft nuts that can be used for producing shaft nuts. [0004] The technical solution of the present invention is to provide a shaft bloc...
Claims
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IPC IPC(8): B21C25/02
Inventor 陆颂荫
Owner WENZHOU GUODA STANDARD PARTS