CN210847792U - Clamping mechanism for pipe bender - Google Patents
Clamping mechanism for pipe bender Download PDFInfo
- Publication number
- CN210847792U CN210847792U CN201921599906.4U CN201921599906U CN210847792U CN 210847792 U CN210847792 U CN 210847792U CN 201921599906 U CN201921599906 U CN 201921599906U CN 210847792 U CN210847792 U CN 210847792U
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- fixed
- pipe
- pushing
- steel pipe
- fixed pipe
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- 230000007246 mechanism Effects 0.000 title claims abstract description 15
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 83
- 239000010959 steel Substances 0.000 claims abstract description 83
- 238000005452 bending Methods 0.000 claims abstract description 22
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 11
- 230000008569 process Effects 0.000 abstract description 9
- 230000000712 assembly Effects 0.000 description 5
- 238000000429 assembly Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000010276 construction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
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- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The utility model belongs to the technical field of the bending machine technique and specifically relates to a clamping mechanism for bending machine is related to, the utility model discloses a fixed workbench rotates through the pivot and connects in the swivel work head of fixed workbench, all is equipped with clamping unit on fixed workbench and the swivel work head, and clamping unit that lies in on the fixed workbench includes support frame, fixed pipe and a plurality of locking Assembly, and all locking Assembly all include a plurality of grooves, traveller and the impeller of running through. In the pipe bending process, the steel pipes are inserted into the two groups of fixed pipes, and then the pushing pieces push all the sliding columns to radially slide along the fixed pipes and tightly abut against the outer walls of the steel pipes, so that the steel pipes with different outer diameters are tightly abutted and fixed at multiple positions, the stability of the steel pipes in the pipe bending process is guaranteed, and the steel pipes with different outer diameters can be clamped. The utility model discloses can the different external diameters of centre gripping steel pipe.
Description
Technical Field
The utility model belongs to the technical field of the bending machine technique and specifically relates to a clamping mechanism for bending machine is related to.
Background
The pipe bender, which is a machine for bending pipes and can also be used as a jack, is roughly divided into a numerical control pipe bender, a hydraulic pipe bender and the like, is applied to pipeline laying and building in the aspects of electric power construction, highway construction, bridges, ships and the like, and has the advantages of multiple functions, reasonable structure, simplicity in operation and the like.
Through retrieval, Chinese patent publication No. CN208373913U discloses a clamping device of a pipe bender, comprising a first workbench, a rotating shaft and a second workbench, wherein one side of the first workbench is connected with the second workbench through the rotating shaft, the tops of the first workbench and the second workbench are both connected with a fixed splint, the backs of the first workbench and the second workbench are both connected with a baffle, one side of the baffle is connected with an air cylinder, the air cylinder, a piston rod, the fixed splint, a movable splint and a rubber cushion are also arranged, the rubber cushion is uniformly covered on one side of the fixed splint and the movable splint, the air cylinder can push the piston rod to extend, so as to drive the movable splint to slide on the first workbench and the second workbench and be close to the fixed splint to clamp a steel pipe, and the rubber cushion can protect the steel pipe when clamping the steel pipe, so as to avoid forming a depression on the outer surface of the steel pipe due to overlarge clamping force, and the strength of the steel pipe is damaged.
The above prior art solutions have the following drawbacks: the clamping device can only be used for clamping steel pipes with the same outer diameter, when the outer diameter of the steel pipe is larger, the steel pipe cannot penetrate through the through hole because the size of the through hole is fixed, and when the outer diameter of the steel pipe is smaller, the fixed clamping plate and the movable clamping plate cannot be clamped on the steel pipe together, so that improvement is needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the not enough of above-mentioned prior art, the utility model aims at providing a clamping mechanism for bending machine can the steel pipe of the different external diameters of centre gripping.
The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a clamping mechanism for bending machine, including the fixed station and rotate the swivel work head of connecting in the fixed station through the pivot that extends along vertical direction, the length direction of fixed station is on a parallel with the length direction who rotates the workstation, all be equipped with clamping components on fixed station and the swivel work head, two sets of clamping components's structure is the same, clamping components that lie in the fixed station includes the support frame, fix on the support frame and along the fixed station length direction extension fixed pipe and a plurality of along the fixed pipe axial set gradually on fixed pipe locking Assembly, the support frame that lies in the fixed station slides along fixed pipe axial and connects in the fixed station, the support frame that lies in the swivel work head is fixed on the swivel work head, all locking Assembly all include that a plurality of circumference are seted up on fixed pipe outer wall and along the radial through groove that extends of fixed pipe, The sliding columns are embedded in the through grooves in a sliding mode, and the pushing pieces are used for pushing all the sliding columns to abut against the outer wall of the steel pipe in a sliding mode.
By adopting the technical scheme, before the pipe is bent, the steel pipes are inserted into the two groups of fixed pipes, and then all the sliding columns are pushed by the pushing piece to slide along the radial direction of the fixed pipes and tightly abut against the outer walls of the steel pipes, so that the steel pipes with different outer diameters can be tightly abutted and fixed at multiple positions, the stability of the steel pipes in the pipe bending process is ensured, and the steel pipes with different outer diameters can be clamped; in the pipe bending process, the rotating workbench is rotated, the rotating workbench drives the steel pipe to bend, the steel pipe drives the support frame on the fixed workbench to slide along the length direction of the fixed workbench, and the bending of the steel pipe is realized; after the pipe bending is finished, the pushing of the pushing piece to the sliding column is canceled firstly, then the support frame on the fixed workbench is slid to enable the steel pipe to be separated from the fixed pipe on the support frame, and at the moment, the steel pipe can be taken out.
The utility model discloses further set up to: all the pushing pieces are pushing rings which are sleeved outside the fixed pipe in a sliding mode, one end, facing the sliding column, of each pushing piece is provided with a pushing face inclined towards the steel pipe, one end, far away from the steel pipe, of the sliding column penetrates out of the through groove and abuts against the pushing face, and the fixed pipe is provided with a driving piece which drives all the pushing rings to slide axially along the fixed pipe so that the pushing faces abut against the sliding column.
Through adopting above-mentioned technical scheme, the driving piece drives all to push the ring and all follows fixed pipe endwise slip for the promotion face of pushing the ring supports tightly and wears out the one end that runs through the groove in all travellers, and the promotion face will provide certain guide effect and make the traveller radially slide and support tightly in the steel pipe outer wall along fixed pipe, thereby has realized the centre gripping to different external diameter steel pipes.
The utility model discloses further set up to: one end of the sliding column penetrating through the through groove is provided with a matching surface attached to the pushing surface.
Through adopting above-mentioned technical scheme, the slip of promotion face and fitting surface is supported tightly, has increased the area of contact of traveller and propelling movement ring to the tight fixed effect of supporting of traveller to the steel pipe has been improved.
The utility model discloses further set up to: and one end of the sliding column facing the steel pipe is fixedly provided with a fan-shaped ring attached to the outer wall of the steel pipe, and the fan-shaped ring extends along the axial direction of the fixed pipe.
Through adopting above-mentioned technical scheme, sector ring has increased the area of contact of traveller and steel pipe to further improved the centre gripping effect to the steel pipe.
The utility model discloses further set up to: and the inner wall of the fixed pipe is provided with an annular groove for the sliding embedding of all the fan-shaped rings.
By adopting the technical scheme, all the fan-shaped rings can be sunk into the annular groove, so that the fan-shaped rings can be used for clamping a steel pipe with larger outer diameter.
The utility model discloses further set up to: the fixed pipe is provided with a spring which drives the corresponding sliding column to slide so as to enable the fan-shaped ring to sink into the annular groove, and two ends of the spring are fixedly connected to the outer wall of the fixed pipe and the sliding column respectively.
Through adopting above-mentioned technical scheme, when the spring is in natural state, the sector ring will sink into the ring channel for the sector ring is difficult for influencing in the steel pipe imbeds the fixed tube, and makes the traveller be difficult for following and runs through the inslot and drop.
The utility model discloses further set up to: and elastic pads which are tightly propped against the outer wall of the steel pipe are fixed on the inner walls of all the fan-shaped rings.
Through adopting above-mentioned technical scheme, when sector ring centre gripping in the steel pipe, the cushion will take place deformation and support tightly in the steel pipe outer wall, has both improved the centre gripping effect to the steel pipe, makes the outer wall of steel pipe difficult indentation that produces again.
The utility model discloses further set up to: the driving piece is a screw rod which is rotatably connected to the support frame and is in threaded connection with all the pushing rings, the screw rod extends along the axial direction of the fixed pipe, and the support frame is provided with a driving piece for driving the screw rod to rotate.
Through adopting above-mentioned technical scheme, when driving piece drive lead screw rotated, the lead screw would drive all promotion rings and slide along fixed pipe axial in step, and the promotion ring will promote all travelers and support tightly in the steel pipe outer wall in step to be convenient for with the steel pipe centre gripping.
To sum up, the utility model discloses following beneficial effect has:
1. the arrangement of the fixed pipe, the pushing ring and the sliding column ensures the stability of the steel pipe in the pipe bending process and can be clamped on the steel pipes with different outer diameters;
2. due to the arrangement of the sector rings, the contact area between the sliding column and the pushing ring is increased, so that the abutting and fixing effects of the sliding column on the steel pipe are improved;
3. the screw rod and the driving piece are arranged, so that the pushing ring pushes all the sliding columns to synchronously abut against the outer wall of the steel pipe, and the steel pipe is clamped conveniently.
Drawings
Fig. 1 is a schematic view of the overall structure in the embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of a clamping assembly on a stationary platen according to an embodiment of the present invention;
FIG. 3 is an enlarged partial schematic view at A in FIG. 2;
fig. 4 is a schematic sectional view showing the locking assembly according to the embodiment of the present invention.
In the figure: 1. fixing a workbench; 11. a rotating shaft; 12. rotating the workbench; 2. a clamping assembly; 21. a support frame; 22. a fixed tube; 3. a locking assembly; 31. a through groove; 32. a traveler; 33. a sector ring; 34. an elastic pad; 35. a mating surface; 36. a push ring; 37. pushing the surface; 38. a screw rod; 39. a motor; 4. an annular groove; 5. a spring; 6. and limiting the square column.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1, a clamping mechanism for a pipe bender includes a fixed table 1 and a rotating table 12 rotatably connected to the fixed table 1 by a rotating shaft 11 extending in a vertical direction, and a length direction of the fixed table 1 is parallel to a length direction of the rotating table 12. The fixed workbench 1 and the rotating workbench 12 are both provided with clamping components 2, and the two groups of clamping components 2 have the same structure.
As shown in fig. 1, the clamping assembly 2 on the fixed workbench 1 includes a support frame 21, a fixed pipe 22 extending along the length direction of the fixed workbench 1 is fixed on the support frame 21, two sets of locking assemblies 3 are arranged on the fixed pipe 22 for locking and fixing the steel pipe, and the two sets of locking assemblies 3 are symmetrically arranged.
As shown in fig. 1 and 2, a limit square column 6 extending along the length direction of the fixed workbench 1 is fixed on the fixed workbench 1, and a limit square rod is arranged through a support frame 21 on the fixed workbench 1, so that a support member can slide along the length direction of the fixed workbench 1; a support frame 21 on the rotary table 12 is fixed to the rotary table 12. In the pipe bending process, the rotating workbench 12 is rotated, the rotating workbench 12 drives the steel pipe to bend, and the steel pipe drives the support frame 21 on the fixed workbench 1 to slide along the length direction of the fixed workbench 1, so that the steel pipe is bent; after the pipe bending is completed, the support frame 21 on the fixed workbench 1 is slid to separate the steel pipe from the fixed pipe 22 on the support frame 21, and the steel pipe can be taken out.
As shown in fig. 3 and 4, all the locking assemblies 3 include three sets of through grooves 31 circumferentially opened on the outer wall of the fixed tube 22 and extending along the radial direction of the fixed tube 22, and sliding posts 32 are slidably embedded in all the through grooves 31; a sector ring 33 is fixed on one end of the sliding column 32 facing the steel pipe, the sector ring 33 extends along the axial direction of the fixed pipe 22, an elastic pad 34 is fixed on the inner wall of the sector ring 33, and the elastic pad 34 is made of rubber; one end of the sliding column 32, which is far away from the steel pipe, penetrates out of the through groove 31, and a matching surface 35 which inclines away from the steel pipe is arranged on the end.
As shown in fig. 3, all the locking assemblies 3 further include pushing members, all the pushing members are pushing rings 36 slidably sleeved outside the fixed pipe 22, and one end of each pushing ring 36 facing the sliding column 32 is provided with a pushing surface 37 inclined towards the steel pipe; as shown in fig. 2, two groups of fixed tubes 22 are provided with driving members, both of which are screw rods 38 rotatably connected to the corresponding support frames 21, the screw rods 38 on the fixed table 1 are in threaded connection with all the pushing rings 36 on the fixed tubes 22 on the fixed table 1, and the screw rods 38 extend along the axial direction of the fixed tubes 22; a driving part is fixed on the support frame 21, the driving part is a motor 39, and an output shaft of the motor 39 is fixedly connected to the screw rod 38.
The motor 39 drives the screw rod 38 to rotate so as to enable all the pushing rings 36 to axially slide along the fixed pipe 22, the pushing surfaces 37 on the pushing rings 36 are pressed on the matching surface 35, and all the sliding columns 32 radially slide along the fixed pipe 22 and tightly abut against the outer wall of the steel pipe, so that multiple positions of steel pipes with different outer diameters are tightly abutted and fixed, the stability of the steel pipes in the pipe bending process is ensured, and the steel pipes with different outer diameters can be clamped.
As shown in fig. 3 and 4, all the locking assemblies 3 further include an annular groove 4 formed in the inner wall of the fixed pipe 22, and all the sector rings 33 are slidably inserted into the same annular groove 4; the fixed tube 22 is provided with a spring 5, and two ends of the spring 5 are respectively fixedly connected to the outer wall of the fixed tube 22 and the sliding column 32. When the spring 5 is in a natural state, the sector ring 33 will sink into the annular groove 4, so that the sector ring 33 can be used for clamping a steel pipe with a larger outer diameter, and the sliding column 32 is not easy to fall off from the through groove 31.
The implementation principle of the embodiment is as follows: before pipe bending, the steel pipes are inserted into the two groups of fixed pipes 22, the motor 39 is started, the motor 39 drives the screw rod 38 to rotate, the screw rod 38 drives all the pushing rings 36 to axially slide along the fixed pipes 22, the pushing surfaces 37 on the pushing rings 36 are tightly pressed on the matching surface 35, all the sliding columns 32 radially slide along the fixed pipes 22 and tightly abut against the outer walls of the steel pipes, and therefore multiple positions of the steel pipes with different outer diameters are tightly abutted and fixed, stability of the steel pipes in the pipe bending process is guaranteed, and the steel pipes with different outer diameters can be clamped.
In the pipe bending process, the rotating workbench 12 is rotated, the rotating workbench 12 drives the steel pipe to bend, the steel pipe drives the support frame 21 on the fixed workbench 1 to slide along the length direction of the fixed workbench 1, and the steel pipe is bent.
After the pipe bending is completed, the motor 39 drives the screw rod 38 to rotate, the screw rod 38 drives all the pushing rings 36 to slide away from the corresponding sliding columns 32, the springs 5 drive the sliding columns 32 to slide away from the steel pipe, the sector rings 33 sink into the annular groove 4, and then the support frame 21 on the fixed workbench 1 is slid to separate the steel pipe from the fixed pipe 22 on the support frame 21, so that the steel pipe can be taken out.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides a clamping mechanism for bending machine, includes stationary work platform (1) and rotates through pivot (11) that extend along vertical direction and connect in the swivel work head (12) of stationary work platform (1), the length direction of stationary work platform (1) is on a parallel with the length direction of swivel work head (12), its characterized in that: all be equipped with clamping component (2) on fixed work platform (1) and swivel work head (12), the structure of two sets of clamping component (2) is the same, clamping component (2) that are located on fixed work platform (1) include support frame (21), fix on support frame (21) and along fixed work platform (1) length direction extension fixed pipe (22) and a plurality of along fixed pipe (22) axial set gradually locking component (3) on fixed pipe (22), support frame (21) that are located on fixed work platform (1) are slided along fixed pipe (22) axial and are connected in fixed work platform (1), support frame (21) that are located on swivel work platform (12) are fixed on swivel work platform (12), all locking component (3) all include that a plurality of circumference are seted up and are run through groove (31) that radially extend on fixed pipe (22) outer wall and along fixed pipe (22), The sliding columns (32) are embedded in the through grooves (31) in a sliding mode, and the pushing pieces are used for pushing all the sliding columns (32) to abut against the outer wall of the steel pipe in a sliding mode.
2. The clamping mechanism for a bender according to claim 1, wherein: all the pushing pieces are pushing rings (36) which are sleeved outside the fixed pipe (22) in a sliding mode, one end, facing the sliding column (32), of each pushing ring (36) is provided with a pushing face (37) inclined towards the steel pipe, one end, far away from the steel pipe, of the sliding column (32) penetrates out of the penetrating groove (31) and abuts against the pushing face (37), and the fixed pipe (22) is provided with a driving piece which drives all the pushing rings (36) to axially slide along the fixed pipe (22) so that the pushing face (37) abuts against the sliding column (32).
3. The clamping mechanism for a bender according to claim 2, wherein: one end of the sliding column (32) penetrating through the through groove (31) is provided with a matching surface (35) attached to the pushing surface (37).
4. The clamping mechanism for a bender according to claim 2, wherein: and a fan-shaped ring (33) attached to the outer wall of the steel pipe is fixed at one end, facing the steel pipe, of the sliding column (32), and the fan-shaped ring (33) extends along the axial direction of the fixed pipe (22).
5. The clamping mechanism for a bender according to claim 4, wherein: the inner wall of the fixed pipe (22) is provided with an annular groove (4) for the sliding embedding of all the fan-shaped rings (33).
6. The clamping mechanism for a bender according to claim 5, wherein: the fixed pipe (22) is provided with a spring (5) which drives the corresponding sliding column (32) to slide so as to enable the fan-shaped ring (33) to sink into the annular groove (4), and two ends of the spring (5) are respectively and fixedly connected to the outer wall of the fixed pipe (22) and the sliding column (32).
7. The clamping mechanism for a bender according to claim 4, wherein: and elastic pads (34) which are tightly propped against the outer wall of the steel pipe are fixed on the inner walls of all the fan-shaped rings (33).
8. The clamping mechanism for a bender according to claim 2, wherein: the driving piece is a screw rod (38) which is rotatably connected to the support frame (21) and is in threaded connection with all the pushing rings (36), the screw rod (38) extends along the axial direction of the fixed pipe (22), and a driving piece used for driving the screw rod (38) to rotate is arranged on the support frame (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921599906.4U CN210847792U (en) | 2019-09-24 | 2019-09-24 | Clamping mechanism for pipe bender |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921599906.4U CN210847792U (en) | 2019-09-24 | 2019-09-24 | Clamping mechanism for pipe bender |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210847792U true CN210847792U (en) | 2020-06-26 |
Family
ID=71306152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921599906.4U Expired - Fee Related CN210847792U (en) | 2019-09-24 | 2019-09-24 | Clamping mechanism for pipe bender |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210847792U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114798938A (en) * | 2022-04-18 | 2022-07-29 | 浙江大学 | Straight pipe section internal-supporting external-clamping type clamping boosting device for bending and forming thin-wall pipe |
-
2019
- 2019-09-24 CN CN201921599906.4U patent/CN210847792U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114798938A (en) * | 2022-04-18 | 2022-07-29 | 浙江大学 | Straight pipe section internal-supporting external-clamping type clamping boosting device for bending and forming thin-wall pipe |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200626 |