CN219817603U - Cold bending mechanism for frame steel pipe - Google Patents
Cold bending mechanism for frame steel pipe Download PDFInfo
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- CN219817603U CN219817603U CN202321236431.9U CN202321236431U CN219817603U CN 219817603 U CN219817603 U CN 219817603U CN 202321236431 U CN202321236431 U CN 202321236431U CN 219817603 U CN219817603 U CN 219817603U
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- steel pipe
- bending
- frame
- sheath
- oil cylinder
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 161
- 239000010959 steel Substances 0.000 title claims abstract description 161
- 238000005452 bending Methods 0.000 title claims abstract description 100
- 230000007246 mechanism Effects 0.000 title claims abstract description 29
- 230000000670 limiting effect Effects 0.000 claims abstract description 15
- 238000006073 displacement reaction Methods 0.000 claims description 11
- 230000000694 effects Effects 0.000 claims description 7
- 239000011324 bead Substances 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 description 8
- 230000007547 defect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The utility model provides a frame steel pipe cold bending mechanism which comprises a bending workbench, a steel pipe bending wheel disc, a hydraulic driving motor and a hydraulic control station, wherein the steel pipe bending wheel disc is rotatably arranged at the top end of the bending workbench, one side of the bending workbench is movably connected with a steel pipe rotating table top, one side of the top end of the steel pipe rotating table top is fixedly provided with a steel pipe limiting clamping seat, the other side of the top end of the steel pipe rotating table top is fixedly provided with a steel pipe movable clamping seat, the front surface of the steel pipe rotating table top is fixedly provided with an oil cylinder supporting frame, the middle part of the oil cylinder supporting frame is fixedly provided with a driving oil cylinder, and the output end of the driving oil cylinder is fixedly connected with the steel pipe movable clamping seat.
Description
Technical Field
The utility model belongs to the technical field of cold bending of steel pipes, and relates to a cold bending mechanism of a frame steel pipe.
Background
The steel tube is hollow strip round steel, is an important product in the steel industry, is quite common on frames of electric vehicles or motorcycles, is produced by the steel tube, and needs to be subjected to a cold bending process, and the patent number CN201921655544.6 discloses a bending device for processing the frames, which aims at solving the problems that the existing bending method is low in processing efficiency, the steel tube adopts a cold bending mode, one side of the steel tube is tensioned, the other side of the steel tube is pressed, the phenomenon of stress concentration exists, and the strength of the steel tube is influenced to a certain extent, and comprises a processing table and a plurality of supporting feet arranged at the lower end of the processing table, wherein the upper end of the processing table is provided with a hollow base, the upper end of the base is symmetrically provided with bending mechanisms, and a fixing mechanism is arranged between the two bending mechanisms; the bending mechanism comprises two bending wheels which are rotatably arranged on the base, a rotating rod is rotatably inserted in the middle of each bending wheel through a bearing, and the lower end of each rotating rod is rotatably arranged at the upper end of the processing table. The utility model is especially suitable for the frame bending processing of bicycles and electric bicycles, and has higher social use value and application prospect.
The bending mechanism has the defects that when the steel pipe is bent by cold bending, the bending mechanism has the following defects: the steel pipe lacks direction centre gripping and spacing structure at the in-process that removes, leads to the steel pipe to take place to warp easily in bending process, causes bending precision not high, influences the quality, and for this reason, we design a cold bending mechanism of frame steel pipe.
Disclosure of Invention
The utility model aims to provide a frame steel pipe cold bending mechanism so as to solve the problems in the prior art.
The aim of the utility model can be achieved by the following technical scheme: frame steel pipe cold bending mechanism, including bending workstation, steel pipe rim plate, hydraulic drive motor and the hydraulic control station of bending, the steel pipe rim plate of bending rotates the top that sets up at the workstation of bending, one side swing joint of workstation has the steel pipe to rotate the mesa, one side fixed mounting that the mesa was rotated to the steel pipe has the spacing cassette of steel pipe, the opposite side fixed mounting that the mesa was rotated to the steel pipe top has the steel pipe activity cassette, the front fixed mounting that the mesa was rotated to the steel pipe has the hydro-cylinder support frame, the middle part fixed mounting of hydro-cylinder support frame has a driving cylinder, driving cylinder's output and steel pipe activity cassette fixed connection, then the rim department that the rim plate was bent to the steel pipe is provided with steel pipe bending groove, sliding connection groove has been seted up to the avris at the workstation top of bending, sliding connection groove's inside slidable mounting has the steel pipe guide sheath, the bottom fixed mounting that the mesa was rotated to the steel pipe has the rotation connecting axle, the driven rotation gear is installed to the keyway department of rotation connecting axle, hydraulic drive motor fixedly sets up in the bottom of workstation, hydraulic drive motor's output end fixed mounting has driving gear, driving gear and driving gear are connected with driving gear and driven gear through oil line hydraulic control oil circuit.
In the frame steel pipe cold bending mechanism, the sheath displacement adjusting assembly is arranged on the front face of the bending workbench and connected with the steel pipe guiding sheath, the sheath displacement adjusting assembly comprises an oil cylinder mounting plate, a micro control oil cylinder is arranged at the top end of the oil cylinder mounting plate, a sheath sliding seat is arranged at the output end of the micro control oil cylinder, and the sheath sliding seat is connected with the steel pipe guiding sheath. The purpose that sets up like this can drive steel pipe guide sheath displacement for steel pipe guide sheath takes place the separation with the steel pipe after bending, the better steel pipe after bending of taking out of being convenient for.
In the frame steel pipe cold bending mechanism, a right-angle limiting frame is fixedly arranged at the top end of the bending workbench, and one end of the right-angle limiting frame is connected with the top end of the steel pipe bending wheel disc. The purpose of setting up like this is the rim plate of bending of the spacing installation steel pipe of being convenient for better, and the rim plate of bending of the better steel pipe of being convenient for simultaneously.
In the frame steel pipe cold bending mechanism, a steel pipe guide frame is fixedly arranged on the other side of the bending workbench, and two rows of guide beads are fixedly arranged at the top end of the steel pipe guide frame. The purpose of setting like this is convenient for better support and direction steel pipe, guarantees that the steel pipe is at the in-process of bending feeding, and stability is good.
In the frame steel pipe cold bending mechanism, the inner side of the steel pipe limiting clamping seat and the inner side of the steel pipe movable clamping seat are both provided with semicircular inner bushes. The purpose of this arrangement is to have a good effect of gripping the steel pipe and to reduce friction with the surface of the steel pipe.
In the frame steel pipe cold bending mechanism, the cross section of the steel pipe bending groove and the cross section of the semicircular inner bushing are semicircular, and the cross section sizes of all the semicircular are equal. The purpose of this arrangement is to facilitate better gripping of the steel pipe.
Compared with the prior art, the frame steel pipe cold bending mechanism has the advantages that: by arranging the steel pipe guide sheath and the sliding connecting groove, the feeding of the steel pipe is guided by the steel pipe guide sheath and the limiting effect in the steel pipe bending process, and the steel pipe is not easy to deform in the bending process, so that the bending precision is ensured; the oil cylinder mounting plate, the micro control oil cylinder and the sheath sliding seat are arranged, so that the steel pipe guiding sheath can be driven to displace, and after bending is finished, the steel pipe guiding sheath is separated from the steel pipe, so that the bent steel pipe can be taken out better, and the steel pipe bending device is convenient to use; through setting up steel pipe guide frame and direction pearl body, be convenient for better support and direction steel pipe, guarantee that the steel pipe is at the in-process of bending feeding, stability is good.
Drawings
Fig. 1 is a schematic diagram of a three-dimensional structure of a cold bending mechanism for a frame steel pipe.
Fig. 2 is a schematic structural view of a driving transmission gear of the frame steel pipe cold bending mechanism.
Fig. 3 is a schematic structural view of a jacket displacement adjusting assembly of the frame steel pipe cold bending mechanism of the utility model.
In the figure, 1, a bending workbench; 2. a right angle limiting frame; 3. a steel pipe bending wheel disc; 4. bending grooves of the steel pipes; 5. a steel pipe guiding sheath; 6. a sliding connection groove; 7. a steel pipe guide frame; 8. guiding the bead body; 9. rotating the table top by the steel pipe; 10. a steel pipe limiting clamping seat; 11. a steel pipe movable clamping seat; 12. an oil cylinder support frame; 13. a driving oil cylinder; 14. a driven rotation gear; 15. rotating the connecting shaft; 16. a drive gear; 17. a hydraulic drive motor; 18. a hydraulic control station; 19. a semicircular inner liner; 20. an oil cylinder mounting plate; 21. a miniature control oil cylinder; 22. sheath sliding seat.
Detailed Description
The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.
As shown in fig. 1, 2 and 3, the frame steel pipe cold bending mechanism comprises a bending workbench 1, a steel pipe bending wheel disc 3, a hydraulic driving motor 17 and a hydraulic control station 18, wherein the steel pipe bending wheel disc 3 is rotatably arranged at the top end of the bending workbench 1, one side of the bending workbench 1 is movably connected with a steel pipe rotating table top 9, one side of the top end of the steel pipe rotating table top 9 is fixedly provided with a steel pipe limiting clamping seat 10, the other side of the top end of the steel pipe rotating table top 9 is fixedly provided with a steel pipe movable clamping seat 11, the front surface of the steel pipe rotating table top 9 is fixedly provided with an oil cylinder supporting frame 12, the middle part of the oil cylinder supporting frame 12 is fixedly provided with a driving oil cylinder 13, the output end of the driving oil cylinder 13 is fixedly connected with the steel pipe movable clamping seat 11, then the rim of the steel pipe bending wheel disc 3 is provided with a steel pipe bending groove 4, the side of the top end of the bending workbench 1 is provided with a sliding connecting groove 6, the inside of the sliding connecting groove 6 is slidably provided with a steel pipe guiding sheath 5, the bottom end of the steel pipe rotating table top 9 is fixedly provided with a rotating connecting shaft 15, the position of the rotating connecting shaft 15 is provided with a driven rotating gear 14, the key groove of the driving connecting shaft is fixedly arranged at the position of the top end of the steel pipe rotating table top 9, the driving motor 17 is fixedly arranged at the bottom end of the bending workbench 1, the output end of the driving motor 17 is fixedly connected with the driving gear 16 through the driving gear 16 and the oil pipe driving gear 16, the driving gear 16 is meshed with the oil pipe driving gear 16, and the hydraulic control station is in driving control station is connected with the hydraulic driving gear 18.
In this embodiment, as shown in fig. 1 and 3, for better guiding the steel pipe, a sheath displacement adjusting assembly is mounted on the front surface of the bending workbench 1, the sheath displacement adjusting assembly is connected with the steel pipe guiding sheath 5, the sheath displacement adjusting assembly comprises an oil cylinder mounting plate 20, a micro control oil cylinder 21 is mounted on the top end of the oil cylinder mounting plate 20, a sheath sliding seat 22 is mounted at the output end of the micro control oil cylinder 21, and the sheath sliding seat 22 is connected with the steel pipe guiding sheath 5.
In this embodiment, as shown in fig. 1, in order to facilitate the installation and replacement of the steel pipe bending wheel disc 3, the top end of the bending workbench 1 is fixedly provided with a right-angle limiting frame 2, and one end of the right-angle limiting frame 2 is connected with the top end of the steel pipe bending wheel disc 3.
In this embodiment, as shown in fig. 1, for better feeding of the steel pipe and for the effect of supporting the tail end of the steel pipe, a steel pipe guide frame 7 is fixedly installed on the other side of the bending table 1, and two rows of guide beads 8 are fixedly provided on the top end of the steel pipe guide frame 7.
In this embodiment, as shown in fig. 3, for better clamping of the steel pipe, a semicircular inner liner 19 is installed on both the inner side of the steel pipe stopper holder 10 and the inner side of the steel pipe movable holder 11. The cross section of the steel pipe bending groove 4 and the cross section of the semicircular inner bushing 19 are semicircular, and the cross section of each semicircle is equal in size.
Working principle: placing a steel pipe into a steel pipe bending groove 4 of a steel pipe bending wheel disc 3, connecting the steel pipe with a steel pipe guiding sheath 5, wherein the tail end of the steel pipe corresponds to two rows of guiding beads 8, the head end of the steel pipe is positioned between a steel pipe limiting clamping seat 10 and a steel pipe movable clamping seat 11, firstly, switching on a power supply, and a hydraulic control station 18 is in an electric control state to drive a driving oil cylinder 13 to extend, so that the steel pipe between the steel pipe limiting clamping seat 10 and the steel pipe movable clamping seat 11 is firmly clamped, and then, driving a hydraulic driving motor 17 to rotate, so that a driven rotating gear 14 is driven by a driving transmission gear 16 to rotate, and further, the steel pipe rotating table 9 is turned over to rotate, so that a bending effect can be generated on the steel pipe. Through setting up hydro-cylinder mounting panel 20, miniature control hydro-cylinder 21 and sheath sliding seat 22, can drive steel pipe guide sheath 5 displacement for steel pipe guide sheath 5 takes place the separation with the steel pipe after bending, the better steel pipe after bending of being convenient for take out, convenient to use.
What is not described in detail in this specification is prior art known to those skilled in the art. The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.
Claims (6)
1. Frame steel pipe cold bending mechanism, including bending workstation (1), steel pipe rim plate (3), hydraulic drive motor (17) and hydraulic control station (18), its characterized in that, steel pipe rim plate (3) rotates the top that sets up at bending workstation (1), one side swing joint of bending workstation (1) has steel pipe to rotate mesa (9), one side fixed mounting on steel pipe rotation mesa (9) top has spacing cassette (10) of steel pipe, the opposite side fixed mounting on steel pipe rotation mesa (9) top has steel pipe activity cassette (11), the front fixed mounting of steel pipe rotation mesa (9) has hydro-cylinder support frame (12), the middle part fixed mounting of hydro-cylinder support frame (12) has driving cylinder (13), the output of driving cylinder (13) is connected with steel pipe activity cassette (11) fixed, then the rim department of steel pipe rim plate (3) is provided with steel pipe bending groove (4), slide connection groove (6) have been seted up to the limit side on bending workstation (1) top, slide connection groove (6) inside sliding mounting has guide sheath (5), the front fixed mounting of steel pipe rotation mesa (9) has driven shaft (15) to rotate, the rotation of driven shaft (15), the hydraulic drive motor (17) is fixedly arranged at the bottom end of the bending workbench (1), a driving transmission gear (16) is fixedly arranged at the output end of the hydraulic drive motor (17), the driving transmission gear (16) is meshed with the driven rotation gear (14), and the hydraulic control station (18) is connected with an oil circuit control of the hydraulic drive motor (17) through an oil pipeline.
2. The frame steel pipe cold bending mechanism according to claim 1, wherein a sheath displacement adjusting assembly is installed on the front face of the bending workbench (1), the sheath displacement adjusting assembly is connected with a steel pipe guiding sheath (5), the sheath displacement adjusting assembly comprises an oil cylinder mounting plate (20), a micro control oil cylinder (21) is installed at the top end of the oil cylinder mounting plate (20), a sheath sliding seat (22) is installed at the output end of the micro control oil cylinder (21), and the sheath sliding seat (22) is connected with the steel pipe guiding sheath (5).
3. The frame steel pipe cold bending mechanism according to claim 1, wherein a right-angle limiting frame (2) is fixedly arranged at the top end of the bending workbench (1), and one end of the right-angle limiting frame (2) is connected with the top end of the steel pipe bending wheel disc (3).
4. The frame steel pipe cold bending mechanism according to claim 1, wherein a steel pipe guide frame (7) is fixedly arranged on the other side of the bending workbench (1), and two rows of guide beads (8) are fixedly arranged at the top end of the steel pipe guide frame (7).
5. The frame steel pipe cold bending mechanism according to claim 1, wherein a semicircular inner bushing (19) is arranged on the inner side of the steel pipe limiting clamping seat (10) and the inner side of the steel pipe movable clamping seat (11).
6. The frame steel pipe cold bending mechanism according to claim 5, wherein the cross section of the steel pipe bending groove (4) and the cross section of the semicircular inner bushing (19) are semicircular, and the cross section of each semicircle is equal in size.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321236431.9U CN219817603U (en) | 2023-05-20 | 2023-05-20 | Cold bending mechanism for frame steel pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321236431.9U CN219817603U (en) | 2023-05-20 | 2023-05-20 | Cold bending mechanism for frame steel pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219817603U true CN219817603U (en) | 2023-10-13 |
Family
ID=88249481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321236431.9U Active CN219817603U (en) | 2023-05-20 | 2023-05-20 | Cold bending mechanism for frame steel pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219817603U (en) |
-
2023
- 2023-05-20 CN CN202321236431.9U patent/CN219817603U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Cold bending mechanism for frame steel pipes Granted publication date: 20231013 Pledgee: Bank of Ningbo Co.,Ltd. Taizhou Branch Pledgor: Taizhou Huangyan Boyuan Automobile Co.,Ltd. Registration number: Y2024330000115 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |