Wire-drawing die accurate in positioning
A wire drawing die, precise technology, applied in the direction of the wire drawing die, etc., can solve the problems of the influence of the positioning accuracy of the core and the steel sleeve, waste products, and the impact on the dimensional accuracy of the finished wire rod, so as to improve the connection stability, improve the positioning accuracy, and unique structural design Effect
Inactive Publication Date: 2015-01-28
SUZHOU GUANGXING MOLD
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- Application Information
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Problems solved by technology
Due to the large friction and vibration during the wire drawing process, the positioning accuracy between the core and the steel sleeve is easily affected. Even a slight deviation will affect the dimensional accuracy of the finished wire rod. The deviation is relatively large. When it is large, it will cause waste
Method used
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[0018] The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, so as to define the protection scope of the present invention more clearly.
[0019] figure 1 It is a structural schematic diagram of a wire drawing die with precise positioning according to an embodiment of the present invention; figure 2 It is a structural schematic diagram of the mold core in the wire drawing die with precise positioning in the embodiment of the present invention; the wire drawing die includes a steel sleeve 1 and a mold core 2, the steel sleeve 1 is made of stainless steel, and the mold core 2 is made of hard alloy. The outer contour of the mold core 2 is designed with a truncated pyramid structure, and a core hole 3 is provided inside. The surface area of the wire-entry end of the mold core 2 is la...
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Abstract
The invention discloses a wire-drawing die accurate in positioning. The wire-drawing die comprises a steel sleeve and a die core, wherein the steel sleeve is made of stainless steel, the die core is made of hard alloy, the outer contour of the die core is in a truncated pyramid structure, a core hole is formed inside the die core, the superficial area of the wire feed end of the die core is greater than that of the wire outlet end of the die core, the outer wall of the die core is in interference fit with the inner hole of the steel sleeve. The wire-drawing die is unique in structural design, the truncated pyramid structure of the die core enables the die core to be stably connected with the steel sleeve, in addition, a screw is used for connecting the die core and the steel sleeve, so that the positioning precision in the circumferential direction is further improved, and the wire-drawing die can be used normally in an environment with large vibration and friction.
Description
technical field [0001] The invention relates to a wire drawing die, in particular to a novel wire drawing die with precise positioning and excellent stability, and belongs to the technical field of dies. Background technique [0002] The wire drawing die is a tool for drawing metal wire (rod) material. All wire drawing dies have a die hole in the center, the shape of the die hole can be round, square or octagonal. Metal shrinks in size and even changes shape as it is pulled through the die hole. The current drawing die is mainly composed of a steel sleeve and a mold core. The steel sleeve is usually made of stainless steel. The mold core can be made of hard alloy, alloy steel, natural diamond or artificial diamond. The two are permanent through interference fit or welding. Connection. [0003] The current drawing dies are composed of a core and a steel sleeve. The core is a cylindrical structure with a certain taper, and an interference fit is adopted between the outer wa...
Claims
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IPC IPC(8): B21C3/02
CPCB21C3/02
Inventor 马广兴
Owner SUZHOU GUANGXING MOLD