CN202461335U - Contraction reducing device for tube end - Google Patents
Contraction reducing device for tube end Download PDFInfo
- Publication number
- CN202461335U CN202461335U CN2012201205594U CN201220120559U CN202461335U CN 202461335 U CN202461335 U CN 202461335U CN 2012201205594 U CN2012201205594 U CN 2012201205594U CN 201220120559 U CN201220120559 U CN 201220120559U CN 202461335 U CN202461335 U CN 202461335U
- Authority
- CN
- China
- Prior art keywords
- reducing
- die holder
- axis
- reducing die
- chuck
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 230000008602 contraction Effects 0.000 title abstract 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 239000012467 final product Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
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Abstract
The utility model relates to a contraction reducing device for a tube end, and relates to a reducing device, which solves the problems the traditional contraction reducing device for the tube end is high in cost and is long in production cycle. A countersunk hole (2-1) is arranged on a reducing die holder (2) along the axial direction, and a tapered hole (3-1) and a through hole (3-2) are respectively arranged on a reducing die (3) along the same axial direction; the reducing die (3) is fixedly arranged in the countersunk hole (2-1) of the reducing die holder (2), and the axis of the reducing die holder (2) and the axis of the reducing die (3) are in the same straight line; the reducing die holder (2) is fixedly arranged at the end part of a piston rod (1) of a hydraulic cylinder, and a support (4) is arranged at one side of the reducing die (3); and a chuck (5) is fixedly arranged on the support (4), and the axis of the chuck (5) and the axis of the reducing die (3) are in the same straight line. The reducing device is suitable for contraction reducing of the boiler tube end.
Description
Technical field
The utility model relates to a kind of diameter changing device, is specifically related to a kind of pipe end closing in diameter changing device.
Background technology
In the high pressure boiler tube of 2.5MPa, for the actual process demand with boiler is installed, need part boiler pipe end be carried out reducing and handle, existing pipe end closing in reducing equipment not only cost is high, and the production cycle is long.
The utility model content
The purpose of the utility model is that not only cost is high in order to solve existing pipe end closing in reducing equipment, and long problem of production cycle, and then a kind of pipe end closing in diameter changing device is provided.
The technical scheme of the utility model is: a kind of pipe end closing in diameter changing device comprises hydraulic cylinder piston rod; Said diameter changing device also comprises reducing die holder, reducing mold, support and chuck, and the reducing die holder has counter sink along axis direction, and reducing mold has bellmouth and through hole along same axis direction; Reducing mold is packed in the counter sink of reducing die holder; And the axis of reducing die holder and the axis of reducing mold are on same straight line, and the reducing die holder is packed in the end of hydraulic cylinder piston rod, and support is arranged on a side of reducing mold; Chuck is packed on the support, and the axis of the axis of chuck and reducing mold is on same straight line.
The utility model compared with prior art has following effect: 1. the utility model is simple in structure, compact, and floor space is little, manufactures easily, and cost only needs about thousand yuan, as: make a required reducer pipe of 20 tons of boilers and can save 8,000 yuan to 10,000 yuan.2. the utility model need not heating, gets final product one-shot forming, has saved heating process and heating fuel, and each tube head only needed two minutes to get final product completion of processing, effectively raised operating efficiency, had shortened the production cycle.
Description of drawings
Fig. 1 is the structural representation of the utility model.
The specific embodiment
The specific embodiment one: combine Fig. 1 that this embodiment is described; A kind of pipe end closing in diameter changing device of this embodiment comprises hydraulic cylinder piston rod 1; Said diameter changing device also comprises reducing die holder 2, reducing mold 3, support 4 and chuck 5, and reducing die holder 2 has counter sink 2-1 along axis direction, and reducing mold 3 has bellmouth 3-1 and through hole 3-2 along same axis direction; Reducing mold 3 is packed in the counter sink 2-1 of reducing die holder 2; And the axis of the axis of reducing die holder 2 and reducing mold 3 is on same straight line, and reducing die holder 2 is packed in the end of hydraulic cylinder piston rod 1, and support 4 is arranged on a side of reducing mold 3; Chuck 5 is packed on the support 4, and the axis of the axis of chuck 5 and reducing mold 3 is on same straight line.
Bellmouth 3-1 of this embodiment and through hole 3-2 can make according to the actual process demand.
The specific embodiment two: combine Fig. 1 that this embodiment is described, pass through bolt between reducing mold 3 of this embodiment and the reducing die holder 2.So be provided with, be convenient to dismounting.Other composition is identical with the specific embodiment one with annexation.
The use of the utility model is following:
At first, workpiece is packed in the chuck 5, and workpiece stretches out the suitable length of chuck 5; Then, primer fluid cylinder pressure, hydraulic cylinder drive hydraulic cylinder piston rod 1 to workpiece one lateral movement, when workpiece with after reducing mold 3 contacts, workpiece is extruded moulding, the pipe end closing in reducing of completion workpiece.
Claims (2)
1. pipe end closing in diameter changing device; It comprises hydraulic cylinder piston rod (1); It is characterized in that: said diameter changing device also comprises reducing die holder (2), reducing mold (3), support (4) and chuck (5), and reducing die holder (2) has counter sink (2-1) along axis direction, and reducing mold (3) has bellmouth (3-1) and through hole (3-2) along same axis direction; Reducing mold (3) is packed in the counter sink (2-1) of reducing die holder (2); And the axis of the axis of reducing die holder (2) and reducing mold (3) is on same straight line, and reducing die holder (2) is packed in the end of hydraulic cylinder piston rod (1), and support (4) is arranged on a side of reducing mold (3); Chuck (5) is packed on the support (4), and the axis of the axis of chuck (5) and reducing mold (3) is on same straight line.
2. according to the said a kind of pipe end closing in diameter changing device of claim 1, it is characterized in that: pass through bolt between reducing mold (3) and the reducing die holder (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201205594U CN202461335U (en) | 2012-03-27 | 2012-03-27 | Contraction reducing device for tube end |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201205594U CN202461335U (en) | 2012-03-27 | 2012-03-27 | Contraction reducing device for tube end |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202461335U true CN202461335U (en) | 2012-10-03 |
Family
ID=46909533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201205594U Expired - Lifetime CN202461335U (en) | 2012-03-27 | 2012-03-27 | Contraction reducing device for tube end |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202461335U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104607550A (en) * | 2015-02-15 | 2015-05-13 | 苏州鸿普精密模具有限公司 | Automotive steering tubing connector servo cold punching mold |
| CN105033082A (en) * | 2015-07-31 | 2015-11-11 | 无锡鼎宇机械科技有限公司 | Tube shrinkage mold |
| CN109967637A (en) * | 2019-04-10 | 2019-07-05 | 江铃集团山东华岳车辆部件有限公司 | A shaft tube forming device |
| CN111589890A (en) * | 2020-05-27 | 2020-08-28 | 中地装(无锡)钻探工具有限公司 | Pipe shrinking process for drill pipe connecting part |
-
2012
- 2012-03-27 CN CN2012201205594U patent/CN202461335U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104607550A (en) * | 2015-02-15 | 2015-05-13 | 苏州鸿普精密模具有限公司 | Automotive steering tubing connector servo cold punching mold |
| CN105033082A (en) * | 2015-07-31 | 2015-11-11 | 无锡鼎宇机械科技有限公司 | Tube shrinkage mold |
| CN109967637A (en) * | 2019-04-10 | 2019-07-05 | 江铃集团山东华岳车辆部件有限公司 | A shaft tube forming device |
| CN111589890A (en) * | 2020-05-27 | 2020-08-28 | 中地装(无锡)钻探工具有限公司 | Pipe shrinking process for drill pipe connecting part |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121003 |
|
| CX01 | Expiry of patent term |