Technology for combined processing of drawing mould blank holder and terrace die full mould
A technology of blank holder and punch, applied in metal processing equipment, forming tools, manufacturing tools, etc., can solve the problems of large waste of materials and low processing efficiency.
Inactive Publication Date: 2010-06-23
BYD CO LTD
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Problems solved by technology
[0004] The purpose of the present invention is to provide a process for combined processing of drawing die blankholders and punches, aiming to solve the problem of existing drawing die blankholders It is necessary to prepare four pieces of materials of different sizes when combined with the punch, the waste of materials is large, and the CNC machining process needs to be loaded four times to prepare materials, and the processing efficiency is low.
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[0014] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0015] see figure 1 , figure 2 , image 3 , Figure 4 and Figure 6 , the present invention comprises the following steps in concrete implementation:
[0016] (1) Offset the digital-analog processing amount of the mold blank holder 10 and the punch 20 . According to actual production needs, the processing surface required to be processed by the blank holder 10 and the punch 20 is offset on the digital model to meet the process requirements. The surface 21a is offset to a certain extent on the digital model to leave a machining allowance when the surfaces 11a, 11b and 21a are machined later. ...
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The invention relates to a technology for combined processing of drawing mould blank holder and terrace die full mould, including the following steps: (1) processing program of drawing mould blank holder and terrace die is writed; (2) material preparation: height is selected according to arrangement of side drawing holes arranged at the blank holder, the blank holder is divided into a blank holder upper layer and a blank holder lower layer, and the terrace mould is divided into a terrace mould upper layer and a terrace mould lower layer; wherein the blank holder lower layer and the terrace mould lower layer share one lump material for processing, and the blank holder upper layer and the terrace die upper layer share one lump material for processing; (3) the lump materials are placed on a numerical control machine, and processing is carried out according to the written combined processing program of drawing mould blank holder and terrace die; (4) post finishing is carried out. By adopting the technical scheme, the blank holder lower layer and terrace die lower layer share one bump material and are processed by one step, thus effectively avoiding the problems that the existing combined processing of drawing mould blank holder and terrace die requires four bump materials, material waste is serious, numeric control processing requires loading material for four times and processing efficiency is low.
Description
technical field [0001] The invention belongs to the field of mold processing technology, and in particular relates to a combined processing technology of a drawing-type mold blank holder and a punch. Background technique [0002] For the full-shaped processing of the blank holder and the punch of the drawing type mold, the current processing method adopts layered processing, and then several layers are combined and bonded to form. The process flow is: due to the side cut structure of the blank holder, it must be divided into upper and lower layers for processing. Prepare the upper and lower layers of materials. The front and back sides of each layer of the blank holder are processed by a CNC milling machine, and then glued together. The convex mold also needs to be divided into two layers, which are processed separately, and then the processed convex mold is bonded. [0003] In such a technological process, four pieces of materials of different sizes need to be prepared i...
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Inventor 王君玮
Owner BYD CO LTD