Split casing four-way forging and manufacturing method thereof
A split-type, casing technology, applied in the direction of passing components, pipes/pipe joints/pipe fittings, pipes, etc., can solve the problems of poor stability, low precision, and difficult processing, and achieve quality maintenance, high precision, and firm connection. Effect
Active Publication Date: 2017-06-09
湖州精锤铸锻有限公司
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Problems solved by technology
The above-mentioned solution improves some problems of the prior art to a certain extent, but the solution fails to completely solve the above-mentioned technical problems, especially the technical problems of low precision, poor stability and difficult processing
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[0020] The present invention will be further described in detail below with reference to the drawings and specific embodiments.
[0021] Such as Figure 1-2 As shown, the split casing four-way forging includes a first cylinder body 1 and a second cylinder body 2 both in a cylindrical structure. The first cylinder body 1 has an annular groove 11 on the outer circumferential direction. 1 One end has a tapered hole 12, and the other end has a cylindrical hole 13 communicating with the tapered hole 12, and an annular step 14 is formed between the tapered hole 12 and the cylindrical hole 13, the tapered hole 12 and the cylindrical hole 13 The diameter of the connected end gradually increases to the diameter of the other end. The second cylinder 2 is inserted in the tapered hole 12, and the second cylinder 2 has an outer tapered surface that matches the tapered hole 12 on the outer circumference. 21, and one end of the second cylinder 2 is set against the annular step 14, and the end ...
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The invention relates to a spliced sleeve four-joint forge piece and a manufacturing method thereof and solves the technical problems such as large machining difficulty of the existing sleeve four joint forge piece. The spliced sleeve four-joint forge piece comprises a first cylindrical drum body and a second cylindrical drum body; an annular groove is formed in the peripheral outer side of the first drum body; one end of the first drum body is provided with a conical hole; the other end of the first drum body is provided with a columnar hole communicated with the conical hole; an annular step is formed between the conical hole and the columnar hole; the size of the diameter of one end, connected with the columnar hole, of the conical hole to the size of the diameter of the other end of the conical hole are gradually enlarged; the second drum body is inserted in the conical hole; the peripheral outside of the second drum body is provided with an outer conical surface matched with the conical hole; one end of the second drum body abuts against the annular step, and the end surface of the other end of the second drum body is flush with the end surface of the first drum body. The spliced sleeve four-joint forge piece has the advantages of high precision and easiness in keeping of high quality of a finished sleeve four joint, high strength, firm connection of respective parts, simple structure and easiness in manufacturing.
Description
Technical field [0001] The invention belongs to the technical field of machinery, and particularly relates to a split type casing four-way forging and a manufacturing method thereof. Background technique [0002] Sleeve spools are pipe fittings and pipe connectors, which are mainly used for the connection between the joints of large pipes. The ends of the pipes have flanges connected to the pipes. The flanges have holes and bolts make the two flanges tightly connected. During processing, the existing casing cross is mainly made of forging blanks by finishing turning, so the quality of the casing cross forging determines the quality of the processed casing cross to a certain extent, but due to the existing The volume of the casing cross is large, and its rough forgings are difficult to process, which easily leads to low structural strength, low precision and poor stability of the casing cross forgings, which easily reduces the quality of the processed casing cross. [0003] In orde...
Claims
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IPC IPC(8): F16L21/00
CPCF16L21/00F16L41/03
Inventor 姜利民
Owner 湖州精锤铸锻有限公司