Convex and concave integral mold, mould and system for SG abrasive material microreplication formed hole
A technology of micro-replication and hole forming, applied in the field of pressure processing, can solve the problems of reducing the radius of the inner fillet of the machining hole, poor accuracy retention, etc., and achieve the effects of easy automatic production, good accuracy retention, and high PC control accuracy.
Inactive Publication Date: 2017-12-29
QINGDAO TECHNOLOGICAL UNIVERSITY +1
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Problems solved by technology
And through the motion platform to drive the wire electrode and the workpiece to make relative motion to realize the processing and forming of the part, effectively reduce the inner fillet radius of the processing hole and improve the processing efficiency of special-shaped holes, but when it is applied to group hole processing, its accuracy retention is poor
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[0044] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention.
[0045] During the working process, the sheet is first fixed in the die and positioned. After starting to work, it is fixed on the punch to punch the sheet, and the waste in the die falls down with the guide hole and is collected. . At the same time, the sheet material embedded on the punch falls back to its original position under the action of the unloading plate, and the blanking process ends, and then the sheet material is fed again by 60mm under the action of the feeding device, and the above blanking process is repeated until the processing process End. Due to the small size of the punch, the stripper has the function of protecting the punch and guiding at the same time. In order to facilitate the replacement, the punch is designed as four split integral punches, and the ...
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The invention discloses a convex and concave integral mold, mould and system for a SG abrasive material microreplication formed hole. The convex and concave integral mold comprises four identical integral type convex mold devices. The four integral type convex mold devices are spliced together to form a whole. Each integral type convex mold device comprises a supporting plate. Three rows of convex mold units are arranged on each supporting plate. The first row of convex mold units corresponds to the third row of convex mold units completely up and down. The second row of convex mold units is staggered with the first row of convex mold units and the third row of convex mold units. Each convex mold unit of the second row is located in the center line of the corresponding adjacent convex mold unit of the first row or the third row. According to the size of a machined material, layout design and the cutting-building side value of the material, the overall size of the mould is designed, the convex mold is of a whole structure, and the arrangement of convex mold edges is arranged according to the layout design.
Description
technical field [0001] The invention relates to the field of pressure processing, in particular to a punching and automatic feeding mechanism and system for thin plates with dense small holes and high shape precision requirements. Background technique [0002] In recent years, a new type of SG abrasive grinding wheel has been introduced in the international tool market. Its grinding performance is between the superhard cubic boron nitride (CBN) grinding wheel and ordinary corundum grinding wheel. Much higher than the corundum grinding wheel, the price is moderate, but it does not have high requirements for grinding machines like the CBN grinding wheel, so it has been favored and welcomed by the majority of users, and its use area is expanding day by day. It is made of corundum crystals with sub-micron grains, synthesized by Sol-Gel (Sol-Gel) process and sintered. Because the abrasive grains have a microcrystalline structure and have many crystallographic planes, they are Du...
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IPC IPC(8): B21D28/34B21D43/09
CPCB21D28/34B21D28/343B21D43/09
Inventor 李长河翟涵王珍王辉王晓博张彦彬
Owner QINGDAO TECHNOLOGICAL UNIVERSITY