CN114799012B - Prestressed pipe end upsetter - Google Patents
Prestressed pipe end upsetter Download PDFInfo
- Publication number
- CN114799012B CN114799012B CN202210479171.1A CN202210479171A CN114799012B CN 114799012 B CN114799012 B CN 114799012B CN 202210479171 A CN202210479171 A CN 202210479171A CN 114799012 B CN114799012 B CN 114799012B
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- vertical beam
- cross beam
- cylinder
- pull rod
- vertical
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- 238000003825 pressing Methods 0.000 claims abstract description 16
- 238000006073 displacement reaction Methods 0.000 abstract description 3
- 238000003466 welding Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 8
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005493 welding type Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J9/00—Forging presses
- B21J9/02—Special design or construction
- B21J9/06—Swaging presses; Upsetting presses
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J13/00—Details of machines for forging, pressing, or hammering
- B21J13/02—Dies or mountings therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J13/00—Details of machines for forging, pressing, or hammering
- B21J13/04—Frames; Guides
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
Abstract
The invention provides a prestress pipe end upsetter; comprising the following steps: the device comprises a first pull rod (1), an upper cross beam (3), a first vertical beam (4), a second pull rod (5), a lifting sliding block (7), a lower cross beam (10), a third pull rod (12), an upsetting cylinder (14), a third vertical beam (15), a second vertical beam (17), a lifting cylinder (18) and a pressing cylinder (19); the third vertical beam (15) is connected with the second vertical beam (17) through a third pull rod (12) and a third locknut (11); the lifting sliding block (7) is arranged between the upper cross beam (3) and the lower cross beam (10). The upper cross beam is in a shape like a Chinese character 'ji', so that the deflection of the upper cross beam is reduced; the contact surfaces of the first vertical beam and the second vertical beam and the lower cross beam are staggered, so that the slotting of the prestressed frame under the upsetting working condition is prevented. The second pull rod is additionally arranged, so that the stress condition of the frame is improved, and the die assembly precision is improved; the first guide base plate and the second guide base plate are additionally arranged, so that the displacement stability of the die cavity is ensured.
Description
Technical Field
The invention relates to the field of steel pipe upsetting; in particular to a prestress pipe end upsetter.
Background
Currently, in the production of upsetting a steel pipe end, the existing upsetter is mostly an integrally welded frame. However, the whole frame of the design needs to be designed into a large special-shaped welding piece, so that the design has large welding quantity and complex welding process. The process has the following defects: (1) The frame is easy to deform after the process is finished and the problems of die assembly precision and upsetting quality are finally affected. (2) Under the upsetting working condition, the frame bears alternating unbalanced load, and is stressed severely, and if the welding process is slightly inconsistent, cracks are easily generated at the welding seam of the inner rib plate of the frame under the alternating unbalanced load.
The frame prepared by the prestress combined frame welding process has the advantages of small workload, simple welding process, convenient transportation and disassembly, low cost and the like. Therefore, the invention successfully develops a prestress pipe end upsetter aiming at the defects of the prior art.
Disclosure of Invention
The invention aims to provide a prestress pipe end upsetter.
The invention is realized by the following technical scheme:
The invention relates to a prestress tube end upsetter, comprising: the first tie rod 1, the upper beam 3, the first vertical beam 4, the second tie rod 5, the lifting slide block 7, the lower beam 10, the third tie rod 12, the upsetting cylinder 14, the third vertical beam 15, the second vertical beam 17, the lifting cylinder 18 and the pressing cylinder 19;
The upper cross beam 3 is shaped like a Chinese character 'ji';
The first vertical beam 4 is in a shape like a Chinese character 'Hui';
the second vertical beam 17 is shaped like a Chinese character 'ji';
the upper cross beam 3 and the lower cross beam 10 are connected with the first vertical beam 4 and the second vertical beam 17 through the first pull rod 1 and the first locknut 2;
The third vertical beam 15 is connected with the second vertical beam 17 through a third pull rod 12 and a third locknut 11;
the lifting slide block 7 is arranged between the upper cross beam 3 and the lower cross beam 10.
Preferably, the upper end surface of the upper beam 3 is provided with a lifting cylinder 18 and a pressing cylinder 19; the lifting slide block 7 is arranged between the upper beam 3 and the lower beam 10 through a lifting cylinder 18 and a pressing cylinder 19; the lifting slide block 7 is connected with a plunger of a pressing cylinder 19 and a piston rod of a lifting cylinder 18.
Preferably, the first vertical beam 4 and the second vertical beam 17 are respectively provided with a first guide pad 20 and a second guide pad 21.
Preferably, the third vertical beam 15 is provided with an upsetting cylinder 14; the lower end of the third vertical beam 15 is provided with an adjustable support 13.
Preferably, the lifting slide block 7 is provided with a guide groove, and the guide groove is in fit connection with the first guide pad 20 and the second guide pad 21.
Preferably, the second tie rod 5 extends through the first and second vertical beams 4, 17 and is fastened by a second locknut 6.
Preferably, the lower end of the lifting slide 7 is provided with an upper die part 8, a lower die part 9.
Preferably, a punch member 16 is arranged between said second 17 and third 15 vertical beams, which is connected to the piston rod of the upsetting cylinder 14; the bottom surface of the male die member 16 is in contact with the lower cross member 10.
Preferably, the third tie rod 12 extends through the second 17 and third 15 vertical beams and is fastened by a third locknut 11.
The working principle of the invention is as follows:
The upper cross beam 3, the lower cross beam 10, the first vertical beam 4 and the second vertical beam 17 of the component are heated and pre-tightened through pull rods; then the first locknut 2 is used for fastening to form a prestress frame; the lifting slide block 7 ascends to drive the upper die part 8, so that the upper die part 8 is separated from the lower die part 9, the heated steel pipe is fed into the lower die part 9 through the reverse-shaped notch of the first vertical beam 4, and the lifting slide block 7 is driven to fall by the pressing cylinder 19, so that the upper die part 8 and the lower die part 9 are clamped; the upsetting cylinder 14 drives the male die member 16 to advance through the notch of the second vertical beam 17 in the shape of a Chinese character 'ji', so as to perform upsetting; after upsetting is completed, the lifting cylinder 18 drives the lifting slide block 7 to lift, so that the upper die part 8 is separated from the lower die part 9, and the steel pipe exits the lower die part 9 through the reverse-shaped notch of the first vertical beam 4, so that one-time upsetting is completed.
The invention has the following advantages:
(1) The upper cross beam is in a shape like a Chinese character 'ji', so that the deflection of the upper cross beam is reduced; in addition, the contact surfaces of the first vertical beam, the second vertical beam and the lower cross beam are staggered, so that the slotting of the prestressed frame under the upsetting working condition is prevented.
(2) According to the invention, the second pull rod is additionally arranged between the first vertical beam and the second vertical beam, so that the stress condition of the frame is improved, and the die assembly precision is improved;
(3) According to the invention, the first guide backing plate and the second guide backing plate are arranged on the first vertical beam and the second vertical beam, so that the stability of the displacement of the female die is ensured.
(4) Compared with the integral welding type frame, the prestress pipe end upsetter has the advantages of simple welding process, convenient transportation and disassembly and low cost.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a front view block diagram of the present invention;
FIG. 3 is a top view of the structure of the present invention;
Reference numerals illustrate:
1-first pull rod, 2-first locknut, 3-upper beam, 4-first vertical beam, 5-second pull rod, 6-second locknut, 7-lifting slide block, 8-upper die part, 9-lower die part, 10-lower beam, 11-third locknut, 12-third pull rod, 13-adjustable support, 14-upsetting cylinder, 15-third vertical beam, 16-male die part, 17-second vertical beam, 18-lifting cylinder, 19-pressing cylinder, 20-first guide pad and 21-second guide pad.
Detailed Description
The present invention will be described in detail with reference to specific examples. It should be noted that the following examples are only further illustrative of the present invention, but the scope of the present invention is not limited to the following examples.
Examples
This embodiment relates to a pre-stressed pipe end upsetter, as shown in fig. 1-3, comprising: the first tie rod 1, the upper beam 3, the first vertical beam 4, the second tie rod 5, the lifting slide block 7, the lower beam 10, the third tie rod 12, the upsetting cylinder 14, the third vertical beam 15, the second vertical beam 17, the lifting cylinder 18 and the pressing cylinder 19;
The upper cross beam 3 is shaped like a Chinese character 'ji';
The first vertical beam 4 is in a shape like a Chinese character 'Hui';
the second vertical beam 17 is shaped like a Chinese character 'ji';
the upper cross beam 3 and the lower cross beam 10 are connected with the first vertical beam 4 and the second vertical beam 17 through the first pull rod 1 and the first locknut 2;
The third vertical beam 15 is connected with the second vertical beam 17 through a third pull rod 12 and a third locknut 11;
the lifting slide block 7 is arranged between the upper cross beam 3 and the lower cross beam 10.
Further, a lifting cylinder 18 and a pressing cylinder 19 are arranged on the upper end face of the upper cross beam 3; the lifting slide block 7 is arranged between the upper beam 3 and the lower beam 10 through a lifting cylinder 18 and a pressing cylinder 19; the lifting slide block 7 is connected with a plunger of a pressing cylinder 19 and a piston rod of a lifting cylinder 18.
Further, the first vertical beam 4 and the second vertical beam 17 are respectively provided with a first guide pad 20 and a second guide pad 21.
Further, the third vertical beam 15 is provided with an upsetting cylinder 14; the lower end of the third vertical beam 15 is provided with an adjustable support 13.
Further, the lifting slide block 7 is provided with a guide groove, and the guide groove is in fit connection with the first guide pad 20 and the second guide pad 21.
Further, the second tie rod 5 penetrates the first and second vertical beams 4 and 17 and is fastened by a second locknut 6.
Further, an upper die part 8 and a lower die part 9 are arranged at the lower end of the lifting slide block 7.
Further, a male die member 16 is provided between the second vertical beam 17 and the third vertical beam 15, which is connected to a piston rod of the upsetting cylinder 14; the bottom surface of the male die member 16 is in contact with the lower cross member 10.
Further, the third tie rod 12 penetrates the second vertical beam 17 and the third vertical beam 15, and is fastened by the third locknut 11.
The upper cross beam 3, the lower cross beam 10, the first vertical beam 4 and the second vertical beam 17 of the component are heated and pre-tightened through pull rods; then the first locknut 2 is used for fastening to form a prestress frame; the lifting slide block 7 ascends to drive the upper die part 8, so that the upper die part 8 is separated from the lower die part 9, the heated steel pipe is fed into the lower die part 9 through the reverse-shaped notch of the first vertical beam 4, and the lifting slide block 7 is driven to fall by the pressing cylinder 19, so that the upper die part 8 and the lower die part 9 are clamped; the upsetting cylinder 14 drives the male die member 16 to advance through the notch of the second vertical beam 17 in the shape of a Chinese character 'ji', so as to perform upsetting; after upsetting is completed, the lifting cylinder 18 drives the lifting slide block 7 to lift, so that the upper die part 8 is separated from the lower die part 9, and the steel pipe exits the lower die part 9 through the reverse-shaped notch of the first vertical beam 4, so that one-time upsetting is completed.
The upper cross beam is in a shape like a Chinese character 'ji', so that the deflection of the upper cross beam is reduced; in addition, the contact surfaces of the first vertical beam, the second vertical beam and the lower cross beam are staggered, so that the slotting of the prestressed frame under the upsetting working condition is prevented. According to the invention, the second pull rod is additionally arranged between the first vertical beam and the second vertical beam, so that the stress condition of the frame is improved, and the die assembly precision is improved; according to the invention, the first guide backing plate and the second guide backing plate are arranged on the first vertical beam and the second vertical beam, so that the stability of the displacement of the female die is ensured. Compared with the integral welding type frame, the prestress pipe end upsetter has the advantages of simple welding process, convenient transportation and disassembly and low cost.
The foregoing describes specific embodiments of the present invention. It is to be understood that the invention is not limited to the particular embodiments described above, and that various changes and modifications may be made by one skilled in the art within the scope of the claims without affecting the spirit of the invention.
Claims (3)
1. A pre-stressed pipe end upsetter, comprising: the device comprises a first pull rod (1), an upper cross beam (3), a first vertical beam (4), a second pull rod (5), a lifting sliding block (7), a lower cross beam (10), a third pull rod (12), an upsetting cylinder (14), a third vertical beam (15), a second vertical beam (17), a lifting cylinder (18) and a pressing cylinder (19);
the upper cross beam (3) is shaped like a Chinese character 'ji';
the first vertical beam (4) is in a shape like a Chinese character 'Hui';
The second vertical beam (17) is shaped like a Chinese character 'ji'; the contact surfaces of the first vertical beam (4) and the second vertical beam (17) and the lower cross beam (10) are staggered;
The upper cross beam (3) and the lower cross beam (10) are connected with the first vertical beam (4) and the second vertical beam (17) through the first pull rod (1) and the first locknut (2);
The third vertical beam (15) is connected with the second vertical beam (17) through a third pull rod (12) and a third locknut (11);
The lifting sliding block (7) is arranged between the upper cross beam (3) and the lower cross beam (10);
the first vertical beam (4) and the second vertical beam (17) are respectively provided with a first guide base plate (20) and a second guide base plate (21);
The second pull rod (5) penetrates through the first vertical beam (4) and the second vertical beam (17) and is fastened by a second locknut (6);
the upper end face of the upper cross beam (3) is provided with a lifting cylinder (18) and a pressing cylinder (19); the lifting slide block (7) is arranged between the upper cross beam (3) and the lower cross beam (10) through a lifting cylinder (18) and a pressing cylinder (19); the lifting slide block (7) is connected with a plunger piston of the pressing cylinder (19) and a piston rod of the lifting cylinder (18);
an upsetting cylinder (14) is arranged on the third vertical beam (15); the lower end of the third vertical beam (15) is provided with an adjustable support (13);
an upper die part (8) and a lower die part (9) are arranged at the lower end of the lifting slide block (7);
A male die part (16) is arranged between the second vertical beam (17) and the third vertical beam (15), and is connected with a piston rod of the upsetting cylinder (14); the bottom surface of the male die component (16) is attached to the lower cross beam (10).
2. The pre-stressed pipe end upsetter as recited in claim 1, wherein the lifting slide (7) is provided with a guide groove, and the guide groove is in fit connection with the first guide pad (20) and the second guide pad (21).
3. The pre-stressed pipe end upsetter as recited in claim 1, wherein said third tie rod (12) extends through the second vertical beam (17) and the third vertical beam (15) and is secured by a third locknut (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210479171.1A CN114799012B (en) | 2022-04-29 | 2022-04-29 | Prestressed pipe end upsetter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210479171.1A CN114799012B (en) | 2022-04-29 | 2022-04-29 | Prestressed pipe end upsetter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114799012A CN114799012A (en) | 2022-07-29 |
| CN114799012B true CN114799012B (en) | 2024-07-02 |
Family
ID=82510492
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210479171.1A Active CN114799012B (en) | 2022-04-29 | 2022-04-29 | Prestressed pipe end upsetter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114799012B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101020366A (en) * | 2006-12-26 | 2007-08-22 | 西安重型机械研究所 | Hydraulic press for thickening drill pipe without excavation |
| CN101579938A (en) * | 2009-06-08 | 2009-11-18 | 清华大学 | Reinforcement wire wound inner concave beam frame |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1240823A (en) * | 1967-07-26 | 1971-07-28 | Vickers Ltd | Improvements in frames for presses |
| DE2331318C3 (en) * | 1973-06-20 | 1978-10-12 | Schloemann-Siemag Ag, 4000 Duesseldorf | Press for massive forming, for example extrusion or forging press with press frame in a prestressed design |
| CN85202445U (en) * | 1985-06-25 | 1986-06-11 | 清华大学 | Prestress steel wire winded loading frame |
| JP2001058238A (en) * | 1999-08-19 | 2001-03-06 | Sumitomo Heavy Ind Ltd | Frame structure in automatic forging press machine |
| CN205464117U (en) * | 2016-03-19 | 2016-08-17 | 富华中元江苏重机科技有限公司 | Prestressing force thickening machine |
| CN107186141B (en) * | 2017-07-04 | 2020-02-07 | 中国重型机械研究院股份公司 | Double-punch upsetting machine |
| RU193995U1 (en) * | 2019-05-21 | 2019-11-22 | Общество с ограниченной ответственностью "КТИАМ" | INSTALLATION FOR LANDING OF THE END OF THE METAL PIPE |
| CN112059083B (en) * | 2020-08-04 | 2022-07-15 | 湖州剑力金属制品有限公司 | Full-automatic pipe fitting processing machine |
-
2022
- 2022-04-29 CN CN202210479171.1A patent/CN114799012B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101020366A (en) * | 2006-12-26 | 2007-08-22 | 西安重型机械研究所 | Hydraulic press for thickening drill pipe without excavation |
| CN101579938A (en) * | 2009-06-08 | 2009-11-18 | 清华大学 | Reinforcement wire wound inner concave beam frame |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114799012A (en) | 2022-07-29 |
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