Cold extrusion forming method of elevator anchor blank
A forming method and cold extrusion technology, which is applied in the field of manufacturing elevator gecko blanks, can solve the problems of unguaranteed product quality, great waste of raw materials, and difficult processing, etc., and achieve the advantages of using functions, high production efficiency, and saving raw materials Effect
Active Publication Date: 2011-04-06
NINGBO ANCHOR FASTENERS INDAL
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Problems solved by technology
Existing building elevator geckos are all processed by turning. Not only are there many procedures, the processing is difficult, and the efficiency is low. Moreover, the conical head of the elevator gecko only accounts for a small part of the total length of the elevator gecko. Therefore, the cutting amount is huge and raw materials are wasted. Very large, high cost, and product quality cannot be guaranteed
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[0010] Refer to attached picture. The present invention includes the step of forming cold extruded material 10 by breaking the material, using the feeding equipment (feeding wheel) attached to the cold heading forming machine to send the disk element material into the machine, and cutting the material by the scissors in the machine to form a broken material . The raw steel is a steel profile with a circular cross section, the diameter of which is the same as that of the shaft of the elevator gecko, and the formed cold extruded material has the same weight as the blank of the elevator gecko.
[0011] In the accompanying drawings and the specific description of the embodiments, for the material, the upper end face is the front end face, the lower end face is the rear end face, the upper end of the material is the front end or head of the material, and the lower end of the material is As for the rear end or tail of the material, the downward direction can be understood as the ba...
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The invention provides a cold extrusion forming method of an elevator anchor blank. The forming method comprises steps of cutting materials and forming cold extrusion material parts. Section steel with circular section is used as a raw material, diameter of the section steel is the same as diameter of a rod part of the elevator anchor, and weight of the formed cold extrusion material parts equalsweight of the elevator anchor blank; and cold extrusion treatment is carried out twice at the same position after cutting the materials. The cold extrusion forming method helps cause the elevator anchor blank to be formed by cold extrusion at only one position in a rational extrusion sequence, has the advantages of fast speed, high precision, high production efficiency and low cost, no lathe turning need, the same weight of cut materials and a formed product, no waste, greatly saved raw materials and lowered production cost. In addition, cold extrusion causes plastic deformation of metallic materials, changes internal metal structure, increases tension force, improves mechanical performance of the product, ensures product quality and causes the product to be more advantageous in service functions.
Description
technical field [0001] The invention relates to the manufacturing technology of elevator gecko blanks. Background technique [0002] The elevator gecko blank refers to the workpiece with the cone head of the elevator gecko, the shaft and the threaded column blank, which becomes the elevator gecko after the threaded column blank is rolled. Existing building elevator geckos are all processed by turning. Not only are there many procedures, the processing is difficult, and the efficiency is low. Moreover, the conical head of the elevator gecko only accounts for a small part of the total length of the elevator gecko. Therefore, the cutting amount is huge and raw materials are wasted. Very large, high cost, and product quality cannot be guaranteed. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a cold extrusion molding method for elevator gecko blanks, which can save raw materials, reduce production costs and improve...
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IPC IPC(8): B21C23/00
Inventor 张金清王剑华
Owner NINGBO ANCHOR FASTENERS INDAL