Electrode cap punching rod
A technology of electrode caps and punching rods, which is applied in the field of electrode cap punching rods, can solve the problems of easy deformation of electrode cap punching rods, difficult removal of punching rods, wear and other problems, and achieve the effects of not being easy to break, reducing processing costs, and reducing wear
Pending Publication Date: 2019-10-11
南京点金焊业有限责任公司
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Problems solved by technology
[0004] The purpose of the present invention is to provide an electrode cap punching rod, which solves the technical problems in the prior art that the electrode cap punching rod is easy to deform, wear and tear, and the punching rod is not easy to take out after the stamping is completed.
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[0014] In order to make the purpose and technical solution of the present invention clearer, the technical solution of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention.
[0015] Such as figure 1 As shown, an electrode cap punch includes an integrally formed punch body 1 and a punch head 2 , and a channel 3 is opened along the axis of the punch. By setting channels along the axis, during the stamping process, the cooling oil inside the workpiece is discharged in time, and at the same time, the heat generated by poor extrusion is rapidly diffused to protect the stamping head and reduce wear; After the end, the punch is easy to take out. Third, the channel is opened along the axis of the punch, so the overall structure of the punch is completely symmetrical about the axis. During the process of stamping, the force is balanced, not easy to break, and the service life is improved. 40,000 electrodes are...
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The invention discloses an electrode cap punching rod. The electrode cap punching rod comprises a punching rod body and a punching head, wherein the punching rod body and the punching head are integrally formed, and a channel is formed along the axis of the punching rod in a penetrating mode. Due to the fact that the channel is arranged along the axis, cooling oil inside a workpiece can be timelydischarged in the punching process, heat generated through extrusion difference can be timely diffused at the same time, so that the punching head is protected, and the abrasion is reduced; in addition, a punching cavity communicates with the outside atmosphere, no pressure difference exists, and after punching is finished, the punching rod is easy to take out; and thirdly, the channel is formed along the axis of the punching rod, the overall structure of the punching rod is completely symmetrical with respect to the axis, in the punching stress process, the stress is balanced and the punchingrod is not prone to break, so that the service life is prolonged, only one punching rod needs to be replaced when about forty thousand electrode caps are machined, and the machining cost is reduced.
Description
technical field [0001] The invention relates to an electrode cap punch rod. Background technique [0002] The electrode cap on the spot welding machine is a stamping part. In the prior art, the electrode cap punching rod is a solid rod, which causes the temperature of the punching chamber to be too high and vacuum during the stamping process, and the punching head of the punching rod is easy to Deformation and wear, and the stamping cavity is vacuum, so the punch is not easy to take out after stamping, and a punch needs to be replaced every thousands of electrode caps processed. [0003] To solve this problem, a channel is currently set up in the punching rod. One end of the channel is located at the end of the punching head, and the other end is on the side wall of the punching rod. The channel is L-shaped. The bottom is easy to deform and wear, and the punch is not easy to take out after stamping. However, because the channel is L-shaped, the structure of the punch is asy...
Claims
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IPC IPC(8): B21D37/10B21D37/01B21D37/16
CPCB21D37/01B21D37/10B21D37/16
Inventor 芮新民周荣荣孔国宏
Owner 南京点金焊业有限责任公司