CN210547107U - Heavy-calibre high steel grade thick wall tee bend bulge is with built-in strutting arrangement - Google Patents
Heavy-calibre high steel grade thick wall tee bend bulge is with built-in strutting arrangement Download PDFInfo
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- CN210547107U CN210547107U CN201920931733.5U CN201920931733U CN210547107U CN 210547107 U CN210547107 U CN 210547107U CN 201920931733 U CN201920931733 U CN 201920931733U CN 210547107 U CN210547107 U CN 210547107U
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- sprag piece
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Abstract
The utility model discloses a heavy-calibre high steel grade thick wall tee bend bulge is with built-in strutting arrangement, concretely relates to material processing technology field, including the stiffener, the stiffener top is provided with the top sprag, the stiffener bottom is provided with the bottom sprag piece, top sprag piece quantity sets up to two, top sprag piece and bottom sprag piece all weld with the stiffener, two the top sprag piece is horizontal symmetry setting about the bottom sprag piece central line. The utility model discloses a bottom sprag piece supports in the tee bend bottom, and the top sprag piece supports at the tee bend shoulder, and the top sprag piece supports respectively in the both sides in hole, realizes when applying external pressure to the blank, and the top sprag piece applys the apical force to bulge department simultaneously, under the joint action of two kinds of power, and the bulge shaping, the trompil is earlier opened the hole and is reduced to bulge resistance, walks the material speed in the suppression process and accelerate and concentrate on bulge department, and bulge shaping is efficient, and the shaping is effectual, improves production efficiency.
Description
Technical Field
The utility model relates to a material processing technology field, more specifically say, the utility model relates to a heavy-calibre high steel grade thick wall tee bend bulge is with built-in strutting arrangement.
Background
The key technology of hot pressing tee joint manufacture is drawing forming. The traditional tee joint forming method comprises the following steps: and heating and flattening the tee pipe blank, then heating and bulging, and finally opening and drawing. The heat utilization rate of the traditional bulging mode and the cold drawing process is low, only 20%, and most of heat is consumed and wasted.
However, in practical use, there are still many disadvantages, such as the bulge is easy to be squeezed and shrunk, the height of the bulge is not ideal, and the diameter of the selected blank tube is large, which results in a lot of energy waste and material cost waste, and the performance is not ideal, and the generation efficiency is low.
SUMMERY OF THE UTILITY MODEL
In order to overcome prior art's above-mentioned defect, the embodiment of the utility model provides a heavy-calibre high steel grade thick wall tee bend bulge is with built-in strutting arrangement, support in the tee bend bottom through the bottom sprag piece, the top sprag piece supports at the tee bend shoulder, the top sprag piece supports the both sides in the hole respectively, the realization is when applying the external pressure to the blank, the top sprag piece is to applying the apical force simultaneously to bulge department, under the do jointly of two kinds of power, the bulge shaping, the effort is big, it reduces to bulge resistance to open the hole earlier, so the feed rate accelerates and concentrates on bulge department in the pressing process, bulge shaping efficiency is high, the shaping is effectual, and the production efficiency is improved, in order to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a heavy-calibre high-grade steel thick wall tee bend bulge is with built-in strutting arrangement, includes the stiffener, the stiffener top is provided with the top sprag piece, the stiffener bottom is provided with the bottom sprag piece, top sprag piece quantity sets up to two, top sprag piece and bottom sprag piece all weld with the stiffener, two the top sprag piece is the horizontal symmetry setting about the bottom sprag piece central line, top sprag piece and bottom sprag piece shape all set up to arc, the top sprag piece is opposite setting with bottom sprag piece cambered surface orientation.
In a preferred embodiment, the number of the reinforcing rods is two, and the reinforcing rods are made of heat-resistant high-strength material.
The utility model discloses a technological effect and advantage:
1. the utility model discloses a set up top sprag piece and bottom sprag piece, before carrying out the swell operation, put into built-in strutting arrangement in the parison tube, at first swell central trompil, heat the parison tube, flatten again, the bottom sprag piece supports in the tee bend bottom, the top sprag piece supports at the tee bend shoulder, the top sprag piece supports respectively in the both sides in hole, the realization is when applying the external pressure to the blank, the top sprag piece is applyed the apical force to swell department simultaneously, under the joint action of two kinds of power, the swell shaping, the effort is big, the pilot hole reduces to swell the resistance, so the material speed is accelerated and concentrate on swell department in the suppression in-process, swell shaping efficiency is high, the shaping is effectual, and the production efficiency is improved.
Drawings
Fig. 1 is an overall schematic view of the present invention.
The reference signs are: 1 reinforcing rod, 2 top supporting blocks and 3 bottom supporting blocks.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides a heavy-calibre high steel grade thick wall tee bend bulge is with built-in strutting arrangement as shown in figure 1, including stiffener 1, 1 top of stiffener is provided with top supporting shoe 2, 1 bottom of stiffener is provided with bottom sprag piece 3, 2 quantity settings of top supporting shoe are two, top supporting shoe 2 and bottom sprag piece 3 all weld with stiffener 1, two top supporting shoe 2 is horizontal symmetry setting about 3 central lines of bottom sprag piece, top supporting shoe 2 and 3 shapes of bottom sprag piece all set up to arc, top supporting shoe 2 is opposite setting with 3 cambered surface orientations of bottom sprag piece.
Further, the number of the reinforcing rods 1 is two, and the reinforcing rods 1 are made of heat-resistant high-strength materials.
The implementation mode is specifically as follows: the blank is heated and kept to the specified requirements before flattening, bulging and drawing of the tee-joint blank pipe, before bulging operation is carried out, holes are formed in the center of the pre-bulging, a built-in supporting device is placed in the blank pipe, the holes are formed in the center of the bulging, the bulging and drawing heating temperatures are 950-1000 ℃, the initial pressure temperature is not lower than 950 ℃, the final pressure temperature is not lower than 800 ℃, the blank pipe is heated and flattened, a bottom supporting block 3 is supported at the bottom of a tee joint, a top supporting block 2 is supported at the shoulder of the tee joint, the top supporting blocks 2 are respectively supported at two sides of the hole, when external pressure is applied to the blank, the top supporting block 2 simultaneously applies a top force to the bulging position, and under the joint action of the two forces, bulging forming is carried out, the acting force is large, the resistance of the pre-opening hole to the bulging is reduced, so that the feeding speed is accelerated and concentrated at the bulging position in the pressing process, the bulging forming efficiency is, the production efficiency is improved, so that the bulge height is superior to that of the traditional bulge process, and the material waste is reduced due to the concentrated flowing of the material.
The utility model discloses the theory of operation:
referring to the attached figure 1 of the specification, before bulging operation, a built-in supporting device is placed in a blank pipe, a hole is formed in the center of the bulge, the blank pipe is heated and pressed flat, a bottom supporting block 3 is supported at the bottom of a tee joint, a top supporting block 2 is supported at the shoulder of the tee joint, and the top supporting block 2 is respectively supported on two sides of the hole.
And finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (2)
1. The utility model provides a heavy-calibre high steel level thick wall tee bend bulge is with built-in strutting arrangement, includes stiffener (1), its characterized in that: the reinforcing bar (1) top is provided with top supporting block (2), reinforcing bar (1) bottom is provided with bottom sprag piece (3), top supporting block (2) quantity sets up to two, top supporting block (2) and bottom sprag piece (3) all with reinforcing bar (1) welding, two top supporting block (2) are the horizontal symmetry setting about bottom sprag piece (3) central line, top supporting block (2) and bottom sprag piece (3) shape all set up to arc, top supporting block (2) are opposite setting with bottom sprag piece (3) cambered surface orientation.
2. The built-in supporting device for the large-caliber high-grade steel thick-wall three-way bulge as claimed in claim 1, wherein: the number of the reinforcing rods (1) is two, and the reinforcing rods (1) are made of heat-resistant high-strength materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920931733.5U CN210547107U (en) | 2019-06-20 | 2019-06-20 | Heavy-calibre high steel grade thick wall tee bend bulge is with built-in strutting arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920931733.5U CN210547107U (en) | 2019-06-20 | 2019-06-20 | Heavy-calibre high steel grade thick wall tee bend bulge is with built-in strutting arrangement |
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| Publication Number | Publication Date |
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| CN210547107U true CN210547107U (en) | 2020-05-19 |
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| CN201920931733.5U Active CN210547107U (en) | 2019-06-20 | 2019-06-20 | Heavy-calibre high steel grade thick wall tee bend bulge is with built-in strutting arrangement |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114833247A (en) * | 2021-02-02 | 2022-08-02 | 偃师东方管件有限公司 | Production process of hydrogenation mixer tee joint |
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2019
- 2019-06-20 CN CN201920931733.5U patent/CN210547107U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114833247A (en) * | 2021-02-02 | 2022-08-02 | 偃师东方管件有限公司 | Production process of hydrogenation mixer tee joint |
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Effective date of registration: 20230906 Address after: 061300 east of cangle Road, south of Zhongyuan company, north of Hanqiao village, Yanshan County, Cangzhou City, Hebei Province Patentee after: HEBEI NORTH PIPELINE INDUSTRIAL TECHNOLOGY Research Institute Address before: 061300 Xiaozhuang Township Nanxu Xiaozhuang village, Yanshan County, Cangzhou City, Hebei Province Patentee before: HEBEI CANG HAI NUCLEAR EQUIPMENT TECHNOLOGY Co.,Ltd. |