Bend flaring die
A mold and elbow technology, which is applied in the field of mold problems in the whole elbow shaping process, can solve the problems of increasing the workload and difficulty of the subsequent grinding process, prone to scratches on the surface of the pipe, and wasting labor costs, etc., to achieve reduction The effect of surface protection process, ensuring long-term operation, and solving production problems
Inactive Publication Date: 2011-11-23
江苏华阳管业股份有限公司
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Problems solved by technology
[0003] At present, the molds used in the whole mouth shaping process in the bending pipe manufacturing process at home and abroad are all made of steel castings or foundry parts. The molds made by this method are high in cost, long in processing cycle, heavy in weight, and inconvenient to use. ;Due to the overall structure of the mold, the surface of the mold cavity is cast steel without special protection, and the hardness is high. During use, the surface of the tube in contact with the mold cavity is prone to defects such as scratches and wrinkles, resulting in high product scrap rates and increased Reduced the workload and difficulty of the subsequent grinding process, which greatly increased the manufacturing cost and wasted labor costs
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[0015] A kind of elbow flaring die of the present invention, see Picture 1-1 and Figure 1-2 , the mold includes a mold body 1 and a mold cavity 2, the mold body 1 includes a fixed plate 11, a filling material 12 and a covering material 13, a group of fixed plates 11 together constitute the outer wall of the mold body 1, and the fixed plate 11 adopts a stainless steel plate. A filling material 12 is provided in the area enclosed by a set of fixing plates 11, the filling material being concrete. The covering material 13 is covered on the surface of the inner cavity 2 of the mold, and the covering material is epoxy resin, which can ensure that the plastic effect of the whole mouth is similar to that of the standard mold. In order to ensure the strength of the mold body, reinforcing ribs 14 are provided outside the mold body 1, and the reinforcing ribs 14 are made of stainless steel plates.
[0016] During production, the corresponding mold size is formulated according to the c...
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The invention discloses a bend flaring die. The die comprises a die body and a die inner cavity, wherein the die body comprises fixing plates, a filling material and a cover material; the outer wall of the die body is formed by a group of fixing plates; the filling material is arranged in an area enclosed by the group of fixing plates; and the cover material covers the surface of the die inner cavity. The bend flaring die is used for bend mouth shaping and bend shaping processes, is easy to manufacture, reduces production cost, can improve product yield and solves production problems.
Description
[0001] technical field [0002] The invention belongs to the field of mechanical processing, and mainly relates to the problem of a mold used in the process of shaping the whole mouth of an elbow in the manufacturing process of an elbow. Background technique [0003] At present, the molds used in the whole mouth shaping process in the bending pipe manufacturing process at home and abroad are all made of steel castings or foundry parts. The molds made by this method are high in cost, long in processing cycle, heavy in weight, and inconvenient to use. ;Due to the overall structure of the mold, the surface of the mold cavity is cast steel without special protection, and the hardness is high. During use, the surface of the tube in contact with the mold cavity is prone to defects such as scratches and wrinkles, resulting in a high scrap rate of products and increased It reduces the workload and difficulty of the subsequent grinding process, greatly increases the manufacturing cos...
Claims
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IPC IPC(8): B21D3/00B21D37/10
Inventor 唐巧生任卫栋王荣祥
Owner 江苏华阳管业股份有限公司