A method for installation, fixation and disassembly of multi-point mold point units
A technology of multi-point mold and square hole, which is applied in the direction of forming tools, manufacturing tools, threaded fasteners, etc., and can solve the problems of cumbersome assembly and danger
Inactive Publication Date: 2017-12-19
JILIN UNIV
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Problems solved by technology
The fixation of the point units that make up the multi-point mold is a key technical issue. Usually, bolts are used to fix it directly from the back of the formwork. The assembly is cumbersome and dangerous. During the use of the multi-point mold, when a point unit fails, only the The entire multi-point mold is removed from the press equipment before the point unit can be disassembled for maintenance or parts replacement
Method used
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[0028] refer to Figure 2a , Figure 2b , Figure 2c , the combined bolt is composed of four parts: restructured hexagon socket head bolt 5, a general flat washer A6, standard spring washer 7, flat washer B8 After heating temperature, firstly put washer A6 and standard spring washer 7 into the remade hexagon socket bolt 5 , and then the heated flat washer B8 is packed into the reformed hexagon socket head bolt 5, and the four parts are combined into one, ensuring that they do not fall apart during use.
[0029] refer to Figure 4a , Figure 4b , during multi-point mold assembly, the unit is now placed in the template 12 positioning holes, the combination bolt 4 is inserted from the top by the special wrench 9, and the extended hexagonal wrench 11 in the special wrench is turned clockwise to tighten and compress the motor compartment bottom plate 3.
[0030] refer to Figure 5a , Figure 5b , After the point units are arranged and combined in the multi-point mold, the fou...
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The invention relates to a mounting, fixing and dismounting way for point units of a multi-point mold and belongs to the field of mechanical tools. The multi-point mold is composed of the point units (2) which are arranged regularly. The four edges of each point unit (2) are chamfered; the edges of a motor cabin bottom plate (3) are also chamfered, and chamfers of the motor cabin bottom plate (3) are smaller than chamfers of the point units (1); the point units (2) are fixed through assembling bolts (4) in the way of pressing the motor cabin bottom plate (3); the adjacent edge chamfers of the four point units (2) form square holes, and the assembling bolts (4) can be screwed or unscrewed through a special spanner (9) inserted into the square holes formed by the edge chamfers of the point units (2). By the adoption of the mounting, fixing and dismounting way for the point units of the multi-point mold, the whole mold does not need to be dismounted when the point units of the multi-point mold are mounted or dismounted due to failures, and assembling, disassembling, maintaining and repairing of the multi-point mold can be conducted rapidly, safely and effortlessly.
Description
technical field [0001] The invention relates to a point unit fixing method of a multi-point mold, belonging to the field of mechanical tooling. Background technique [0002] Multi-point molds have been widely used in the three-dimensional surface forming of thin plates and medium-thick plates. The fixation of the point units that make up the multi-point mold is a relatively key technical issue. Usually, bolts are used to fix it directly from the back of the template. The assembly is cumbersome and dangerous. During the use of the multi-point mold, when a point unit fails, only The entire multi-point mold is removed from the press equipment before the point unit can be disassembled for maintenance or parts replacement. In order to assemble and disassemble point units safely and quickly, a point unit fixing method is needed. Without disassembling the entire multi-point mold, the problematic point units can be disassembled one by one from the front. In order to meet this requi...
Claims
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IPC IPC(8): B21D37/14F16B23/00
CPCB21D37/14F16B23/003
Inventor 邓玉山刘纯国
Owner JILIN UNIV