A kind of pyrophyllite pressing mold
A technology for pressing molds and pyrophyllite, which is applied in the direction of manufacturing tools, mold separation devices, presses, etc., can solve problems such as easy cracks, achieve the effect of preventing cracks and meeting process requirements
Active Publication Date: 2016-03-02
ZHEJIANG HENGCHENG CEMENTED CARBIDE CO LTD
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Problems solved by technology
[0003] The present invention provides a pyrophyllite pressing mold, aiming to solve the problem that the split type pyrophyllite pressing mold is prone to cracks in the prior art
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[0015] see figure 1 , figure 2 and image 3 , a pyrophyllite pressing mold, including an inner cylinder 1 spliced by at least two modules, a fastening cylinder 2 sleeved on the inner cylinder 1, a mold cavity 11 is provided in the center of the inner cylinder 1, and the The lower end of the fastening cylinder 2 is equipped with a retaining ring 4 for limiting the inner cylinder 1 in the central hole of the fastening cylinder 2. The central hole of the fastening cylinder 2 consists of a tapered hole 22 with a small upper part and a large tapered hole at the lower part. Cylindrical hole 23 is formed, and described inner tube 1 is provided with the conical part 14 that matches with conical hole 22, and inner tube 1 is provided with the large cylindrical part 12 that matches with cylindrical hole 23; Described conical part 14 and large The diameter of the connecting part of the cylindrical part 12 is smaller than the diameter of the large cylindrical part 12. The tapered part...
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The invention relates to a mould, in particular to a pyrophyllite pressing mould, and aims to solve the problem that a split type pyrophyllite pressing mould in the prior art is prone to cracking. The pyrophyllite pressing mould comprises an inner barrel spliced by at least two modules and a fastening barrel sleeved on the inner barrel, a mould cavity is formed in the center of the inner barrel, a retaining ring used for limiting the inner barrel in a center hole of the fastening barrel is mounted at the lower end of the fastening barrel, the center hole of the fastening barrel is composed of a big end down taper hole in the upper portion and a cylinderical hole in the lower portion, a taper portion matched with the taper hole is arranged on the inner barrel, and a large cylindrical portion matched with the cylindrical hole is arranged on the inner barrel. Due to the fact that the taper hole is formed in a fastening ring, when the taper portion of the inner barrel is inserted into the taper hole, the modules are firmly attached when squeezed, the inner barrel can be effectively prevented from cracking during pressing, and processed products are enabled to meet technological requirements.
Description
technical field [0001] The invention relates to a mold, in particular to a pyrophyllite pressing mold. Background technique [0002] The inner cylinder of the existing pyrophyllite pressing mold is mainly divided into two types: integrated type and split type. For example, a kind of pyrophyllite pressing mold disclosed in patent number CN201220402957.5 adopts an integrated type. The produced pyrophyllite is not easy to take out. Using the existing split mold, although it is easy to take out the pyrophyllite, the extrusion force at the junction of the module and the module is relatively large during pressing, and gaps are likely to appear, resulting in pressed out The products do not meet the process requirements. Contents of the invention [0003] The invention provides a pyrophyllite pressing mold, which aims to solve the problem that cracks are easily generated in the split pyrophyllite pressing mold in the prior art. [0004] In order to solve the above technical prob...
Claims
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IPC IPC(8): B28B7/26
CPCB30B15/022
Inventor 杨雪郭伟波金益民吴晓娜
Owner ZHEJIANG HENGCHENG CEMENTED CARBIDE CO LTD