CN214919910U - Automatic pipe expanding device for seamless steel pipe - Google Patents
Automatic pipe expanding device for seamless steel pipe Download PDFInfo
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- CN214919910U CN214919910U CN202120829160.2U CN202120829160U CN214919910U CN 214919910 U CN214919910 U CN 214919910U CN 202120829160 U CN202120829160 U CN 202120829160U CN 214919910 U CN214919910 U CN 214919910U
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- seamless steel
- steel pipe
- expanding device
- automatic
- plate
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 100
- 239000010959 steel Substances 0.000 title claims abstract description 100
- 238000003825 pressing Methods 0.000 claims abstract description 44
- 229920001971 elastomer Polymers 0.000 description 8
- 239000005060 rubber Substances 0.000 description 8
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000033764 rhythmic process Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
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Abstract
The utility model relates to the field of steel pipe processing and accessories thereof, in particular to an automatic pipe expanding device for seamless steel pipes; the automatic pipe expanding device of seamless steel pipe includes: the device comprises a fixed table, a bearing block arranged on the fixed table, a pressing part erected on the fixed table and a plurality of elastic columns; the pressing part comprises a driving cylinder and a pressing block fixedly connected with a piston rod of the driving cylinder; the supporting block is provided with a supporting arc-shaped groove for supporting the seamless steel pipe; the lower pressing block is provided with a lower pressing arc-shaped groove; the elastic column is arranged on the inner side surfaces of the bearing arc-shaped groove and the pressing arc-shaped groove; when the driving cylinder starts the lower pressing block to move, the elastic column is abutted against the side wall of the seamless steel pipe; the side wall of the seamless steel pipe is attached through the matching of the bearing block and the lower pressing block.
Description
Technical Field
The utility model relates to a steel pipe machining and accessory field particularly, relate to an automatic expander device of seamless steel pipe.
Background
In chinese patent CN211588275U, a pipe expander is provided, which comprises a workbench and a base, and is characterized in that: the workbench is fixedly arranged on the base, the left side and the right side of the surface of the workbench are respectively provided with two hydraulic cylinders, the bottom surfaces of the hydraulic cylinders are fixedly connected with a bottom plate, the surface of the workbench is provided with a chute, the chute is connected with two screw rods in a rotating mode, two opposite ends of the two screw rods are respectively and fixedly provided with a first bevel gear, the front sides of the two first bevel gears are provided with second bevel gears meshed with the first bevel gears, and the front side surface of the workbench is rotatably connected with a first rotating connecting piece. The utility model discloses a set up helicitic texture in the adjustment box, two splint carry out the centre gripping to the pipe fitting about the control fixed, through rotating the carousel, make two pneumatic cylinders pass through the bottom plate and remove on the workstation, support the both ends mouth of pipe fitting until two moulds, the hydraulic stem of controlling the pneumatic cylinder again makes the mould push the pipe fitting port, carries out the expander, and both sides go on simultaneously, and two splint about the cooperation just so make the pipe fitting can not appear the deviation man-hour, can also accelerate the machining efficiency of pipe fitting simultaneously.
However, in the above patent, the steel pipe is clamped only by the upper and lower clamping plates, and when the steel pipe is expanded, the steel pipe is deformed and bent in a certain direction due to the stress, and finally the steel pipe is bent although the hole expanding effect is good.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an automatic expander device of seamless steel pipe to centre gripping seamless steel pipe, thereby realize the reaming to seamless steel pipe.
In order to achieve the above object, an embodiment of the present invention provides an automatic pipe expanding device for seamless steel pipes, including: the device comprises a fixed table, a bearing block arranged on the fixed table, a pressing part erected on the fixed table and a plurality of elastic columns; the pressing part comprises a driving cylinder and a pressing block fixedly connected with a piston rod of the driving cylinder; the supporting block is provided with a supporting arc-shaped groove for supporting the seamless steel pipe; the lower pressing block is provided with a lower pressing arc-shaped groove; the elastic column is arranged on the inner side surfaces of the bearing arc-shaped groove and the pressing arc-shaped groove; when the driving cylinder starts the lower pressing block to move, the elastic column is abutted against the side wall of the seamless steel pipe.
Further, the elastic column comprises a lower base and a support column arranged on the lower base; the lower base is fixedly connected with the inner side surface of the bearing arc-shaped groove or the inner side surface of the downward pressing arc-shaped groove; and the support column is provided with an arc-shaped groove to be abutted against the side surface of the seamless steel pipe.
Further, the fixed station comprises a frame body, vertical plates arranged at two sides of the frame body and hoisting plates erected on the vertical plates; the bearing block is arranged on the frame body; the shell of the driving cylinder is arranged on the hoisting plate.
Furthermore, the automatic pipe expanding device for the seamless steel pipe also comprises positioning rods arranged on two sides of the driving cylinder in a mirror image manner; the hoisting plate is provided with a positioning hole in a mirror image mode, and the positioning rod can slidably penetrate through the positioning hole; the end part of the positioning rod is fixedly connected with the side surface of the lower pressing block.
Furthermore, the automatic pipe expanding device for the seamless steel pipe also comprises a limit nut arranged at the end part of the positioning rod in a mirror image manner; the limiting nut is arranged on the outer side of the hoisting plate, and the bottom surface of the limiting nut can abut against the upper surface of the hoisting plate.
Further, the automatic pipe expanding device for the seamless steel pipe further comprises a top pushing plate arranged on the vertical plate and a plurality of concentric rings arranged on the top pushing plate; the bottom surface of the pushing plate can abut against the side surface of the seamless steel pipe, and the outer side surface of the concentric ring can abut against the inner side surface of the seamless steel pipe.
Further, the end part of the concentric ring facing the bearing block is a round angle.
Further, the automatic pipe expanding device for the seamless steel pipe further comprises a positioning plate arranged on the side surface of the vertical plate and an adjusting bolt in threaded connection with the positioning plate; the top push plate is arranged at the end part of the adjusting bolt.
Furthermore, the upper surface and the lower surface of the top push plate are both planes; the left side surface and the side surface of the pushing plate are both cambered surfaces.
Further, a sliding groove is formed in the vertical plate, and the automatic seamless steel pipe expanding device further comprises a sliding plate which is slidably arranged in the sliding groove; the positioning plate is arranged on the sliding plate.
Compared with the prior art, the embodiment of the utility model provides a following beneficial effect has:
1. set up seamless steel pipe in the bearing arc wall of bearing piece, through the pushing down of briquetting down to compress tightly and be located seamless steel pipe in the bearing arc wall can effectively fix seamless steel pipe, can prevent effectively that seamless steel pipe from taking place deformation in the reaming, improves the yields.
2. Through elasticity post offsets with seamless steel pipe, the seamless steel pipe of the fixed different diameters of being convenient for improves the commonality of product, can accelerate the production rhythm, improves work efficiency.
3. The elastic column is made of rubber, friction force between the elastic rubber and the side wall of the seamless steel pipe is large, the elastic rubber abuts against the seamless steel pipe through the elastic rubbers, the seamless steel pipe can be effectively prevented from rotating, and yield is improved.
Drawings
The present invention will be further explained with reference to the drawings and examples.
FIG. 1 shows a schematic structural view of an automatic pipe expanding device for seamless steel pipes according to the present invention; FIG. 2 is a schematic view showing the matching between the support block and the lower pressing block of the automatic pipe expanding device for seamless steel pipes of the present invention; FIG. 3 is a schematic structural view of the top push plate of the automatic seamless steel pipe expanding device of the present invention;
in the figure: 1. a fixed table; 101. a frame body; 102. a vertical plate; 104. a sliding groove; 2. a bearing block; 3. a pressing part; 301. a driving cylinder; 302. pressing the block; 4. an elastic column; 401. a lower base; 402. a support pillar; 5. positioning a rod; 6. a limit nut; 7. pushing the plate; 8. concentric rings; 9. positioning a plate; 10. adjusting the bolt; 11. a sliding plate; 12. seamless steel pipe.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.
Examples
As shown in fig. 1 to 3, the embodiment of the present invention provides an automatic pipe expanding device for seamless steel pipes, including: the device comprises a fixed table 1, a bearing block 2 arranged on the fixed table 1, a pressing part 3 erected on the fixed table 1 and a plurality of elastic columns 4; the pressing part 3 comprises a driving cylinder 301 and a pressing block 302 fixedly connected with a piston rod of the driving cylinder 301; a supporting arc-shaped groove is formed in the supporting block 2 to support the seamless steel pipe 12; a lower pressing arc-shaped groove is formed in the lower pressing block 302; the elastic column 4 is arranged on the inner side surfaces of the bearing arc-shaped groove and the pressing arc-shaped groove; when the driving cylinder 301 starts the pressing block 302 to move, the elastic column 4 abuts against the side wall of the seamless steel tube 12.
Set up seamless steel pipe 12 in the bearing arc wall of bearing piece 2, through briquetting 302 pushes down to compress tightly and be located seamless steel pipe 12 in the bearing arc wall can effectively fix seamless steel pipe 12, can prevent effectively that seamless steel pipe 12 from taking place deformation in the reaming, improves the yields.
Through elasticity post 4 offsets with seamless steel pipe 12, the seamless steel pipe 12 of the different diameters of being convenient for fix improves the commonality of product, can accelerate the production rhythm, improves work efficiency.
The elastic column 4 is made of rubber, the friction force between the elastic rubber and the side wall of the seamless steel tube 12 is large, the elastic rubber abuts against the seamless steel tube 12 through the elastic rubbers, the seamless steel tube 12 can be effectively prevented from rotating, and the yield is improved.
The elastic column 4 comprises a lower base 401 and a support column 402 arranged on the lower base 401; the lower base 401 is fixedly connected with the inner side surface of the supporting arc-shaped groove or the inner side surface of the downward pressing arc-shaped groove; the support column 402 is provided with an arc-shaped groove to abut against the side surface of the seamless steel tube 12.
When the seamless steel tube 12 extrudes the support column 402, the upper end of the support column 402 deforms, at the same time, the arc-shaped groove also deforms, and the deformed arc-shaped groove is attached to the side wall of the seamless steel tube 12; in this case, seamless steel pipes 12 of different diameters can be closely adhered.
The bottom area of the lower base 401 is large, and when the lower base 401 is fixed on the inner side surface of the bearing arc-shaped groove or the inner side surface of the downward pressing arc-shaped groove, large adhesive force can be provided, and the lower base 401 is prevented from displacing.
The fixed station 1 comprises a frame body 101, vertical plates 102 arranged at two sides of the frame body 101, and a hoisting plate (not shown in the figure) erected on the vertical plates 102; the bearing block 2 is arranged on the frame body 101; the housing of the drive cylinder 301 is disposed on the hanger plate.
The driving cylinder 301 is arranged on the bearing block 2 through the frame body 101, so that the lower pressing block 302 is pushed to move towards the bearing block 2.
The automatic pipe expanding device for the seamless steel pipe further comprises positioning rods 5 arranged on two sides of the driving cylinder 301 in a mirror image manner; the hoisting plate is provided with a positioning hole in a mirror image mode, and the positioning rod 5 can slidably penetrate through the positioning hole; the end part of the positioning rod 5 is fixedly connected with the side surface of the lower pressing block 302.
The driving cylinder 301 can deviate in the working process, once the side edge of the lower pressing block 302 deviates, the side edge of the lower pressing block 302 can be pressed on the seamless steel pipe 12, so that an indentation is generated on the seamless steel pipe 12, and the lower pressing block 302 is effectively prevented from deviating through the connection of the positioning rod 5 and the lower pressing block 302.
The automatic pipe expanding device for the seamless steel pipe further comprises a limiting nut 6 arranged at the end part of the positioning rod 5 in a mirror image manner; and the limiting nut 6 is arranged on the outer side of the hoisting plate, and the bottom surface of the limiting nut 6 can be abutted to the upper surface of the hoisting plate.
The positioning rod 5 is prevented from being separated from the positioning hole by the limiting nut 6.
The automatic pipe expanding device for the seamless steel pipe further comprises a top push plate 7 arranged on the vertical plate 102 and a plurality of concentric rings 8 arranged on the top push plate 7; the bottom surface of the push plate 7 can be abutted against the side surface of the seamless steel pipe 12, and the outer side surface of the concentric ring 8 can be abutted against the inner side surface of the seamless steel pipe 12.
The diameters of the concentric rings 8 are different, and seamless steel pipes 12 with different specifications are inserted into the concentric rings 8 with different diameters so as to be adapted to the seamless steel pipes 12 with different specifications.
The end part of the concentric ring 8 facing the bearing block 2 is a round angle.
When the seamless steel tube 12 is inserted into the concentric rings 8, the straight edges are adopted to be not beneficial to the insertion of the seamless steel tube 12, and the end parts of the concentric rings 8 are set to be round corners, so that on one hand, the seamless steel tube 12 can be conveniently inserted, and the working efficiency is improved; on the other hand, the right-angled edges can be prevented from scratching the inner side surface of the seamless steel tube 12.
The automatic pipe expanding device for the seamless steel pipe further comprises a positioning plate 9 arranged on the side surface of the vertical plate 102 and an adjusting bolt 10 in threaded connection with the positioning plate 9; the ejector plate 7 is arranged at the end of the adjusting bolt 10.
The distance between the top pushing plate 7 and the vertical plate 102 is changed through the adjusting bolt 10, so that seamless steel pipes 12 with different lengths can be adjusted to proper positions;
the upper surface and the lower surface of the top push plate 7 are both planes; the left side surface and the side surface of the top push plate 7 are both cambered surfaces.
The jaw on the wrench can abut against the upper surface and the lower surface of the pushing plate 7, and the wrench is rotated to cooperate with the adjusting bolt 10 to rotate, so that the adjusting bolt 10 is adjusted.
The vertical plate 102 is provided with a sliding groove 104, and the automatic seamless steel pipe expanding device further comprises a sliding plate 11 which is slidably arranged in the sliding groove 104; the positioning plate 9 is arranged on the sliding plate 11.
The distance between the circle centers of the seamless steel tubes 12 with different diameters and the frame body 101 is different, and the positioning plate 9 is adjusted to a corresponding height by adjusting the sliding plate 11 so as to be adapted to the seamless steel tubes 12 with different specifications.
To sum up, the utility model discloses when using, at first place seamless steel pipe 12 on the bearing block 2, adjust this moment the sliding plate 11 with adjusting bolt 10 makes 8 covers of concentric circles ring establish the tip at seamless steel pipe 12, the side of seamless steel pipe 12 this moment with the side of bearing block 2 offsets, drives actuating cylinder 301 pushes down to fixed seamless steel pipe 12 is convenient for to seamless steel pipe 12 reaming.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. An automatic pipe expanding device of seamless steel pipe, its characterized in that includes: the device comprises a fixed table, a bearing block arranged on the fixed table, a pressing part erected on the fixed table and a plurality of elastic columns; the pressing part comprises a driving cylinder and a pressing block fixedly connected with a piston rod of the driving cylinder; the supporting block is provided with a supporting arc-shaped groove for supporting the seamless steel pipe; the lower pressing block is provided with a lower pressing arc-shaped groove; the elastic column is arranged on the inner side surfaces of the bearing arc-shaped groove and the pressing arc-shaped groove; when the driving cylinder starts the lower pressing block to move, the elastic column is abutted against the side wall of the seamless steel pipe.
2. The automatic seamless steel pipe expanding device according to claim 1, characterized in that: the elastic column comprises a lower base and a support column arranged on the lower base; the lower base is fixedly connected with the inner side surface of the bearing arc-shaped groove or the inner side surface of the downward pressing arc-shaped groove; and the support column is provided with an arc-shaped groove to be abutted against the side surface of the seamless steel pipe.
3. The automatic seamless steel pipe expanding device according to claim 2, characterized in that: the fixed station comprises a frame body, vertical plates arranged on two sides of the frame body and hoisting plates erected on the vertical plates; the bearing block is arranged on the frame body; the shell of the driving cylinder is arranged on the hoisting plate.
4. The automatic seamless steel pipe expanding device according to claim 3, characterized in that: the automatic pipe expanding device for the seamless steel pipe further comprises positioning rods arranged on two sides of the driving cylinder in a mirror image mode; the hoisting plate is provided with a positioning hole in a mirror image mode, and the positioning rod can slidably penetrate through the positioning hole; the end part of the positioning rod is fixedly connected with the side surface of the lower pressing block.
5. The automatic seamless steel pipe expanding device according to claim 4, wherein: the automatic pipe expanding device for the seamless steel pipe further comprises a limiting nut arranged at the end part of the positioning rod in a mirror image manner; the limiting nut is arranged on the outer side of the hoisting plate, and the bottom surface of the limiting nut can abut against the upper surface of the hoisting plate.
6. The automatic seamless steel pipe expanding device according to claim 5, characterized in that: the automatic pipe expanding device for the seamless steel pipe further comprises a top push plate arranged on the vertical plate and a plurality of concentric rings arranged on the top push plate; the bottom surface of the pushing plate can abut against the side surface of the seamless steel pipe, and the outer side surface of the concentric ring can abut against the inner side surface of the seamless steel pipe.
7. The automatic seamless steel pipe expanding device according to claim 6, wherein: the end part of the concentric ring facing the bearing block is a round angle.
8. The automatic seamless steel pipe expanding device according to claim 7, wherein: the automatic pipe expanding device for the seamless steel pipe further comprises a positioning plate arranged on the side surface of the vertical plate and an adjusting bolt in threaded connection with the positioning plate; the top push plate is arranged at the end part of the adjusting bolt.
9. The automatic seamless steel pipe expanding device according to claim 8, wherein: the upper surface and the lower surface of the top push plate are both planes; the left side surface and the side surface of the pushing plate are both cambered surfaces.
10. The automatic seamless steel pipe expanding device according to claim 9, wherein: the vertical plate is provided with a sliding groove, and the automatic seamless steel pipe expanding device further comprises a sliding plate which is slidably arranged in the sliding groove; the positioning plate is arranged on the sliding plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120829160.2U CN214919910U (en) | 2021-04-20 | 2021-04-20 | Automatic pipe expanding device for seamless steel pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120829160.2U CN214919910U (en) | 2021-04-20 | 2021-04-20 | Automatic pipe expanding device for seamless steel pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214919910U true CN214919910U (en) | 2021-11-30 |
Family
ID=79043915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120829160.2U Expired - Fee Related CN214919910U (en) | 2021-04-20 | 2021-04-20 | Automatic pipe expanding device for seamless steel pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214919910U (en) |
-
2021
- 2021-04-20 CN CN202120829160.2U patent/CN214919910U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211130 |
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| CF01 | Termination of patent right due to non-payment of annual fee |