CN212238727U - Adjustable reducing pipe bender - Google Patents
Adjustable reducing pipe bender Download PDFInfo
- Publication number
- CN212238727U CN212238727U CN202020482589.4U CN202020482589U CN212238727U CN 212238727 U CN212238727 U CN 212238727U CN 202020482589 U CN202020482589 U CN 202020482589U CN 212238727 U CN212238727 U CN 212238727U
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- Prior art keywords
- jaw chuck
- driving
- clamping
- pipe fitting
- lead screw
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- Expired - Fee Related
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- 238000005452 bending Methods 0.000 claims abstract description 33
- 238000009434 installation Methods 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims description 5
- 238000003462 Bender reaction Methods 0.000 abstract 1
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 210000000078 claw Anatomy 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The utility model provides a pipe bender with adjustable diameter, which can solve the technical problem that most pipe benders can only bend pipes with the same radius, and comprises a bending mechanism and a clamping mechanism, wherein the bending mechanism and the clamping mechanism are both arranged on a frame; the bending mechanism comprises a four-jaw chuck, the jaws of the four-jaw chuck are respectively provided with a rotatable roller, the four-jaw chuck is arranged on a rotating mechanism and can rotate in the circumferential direction, and the rollers on the four-jaw chuck can move outwards or inwards along with the jaws to adjust the size of the rotating radius of the four-jaw chuck when the four-jaw chuck moves in the circumferential direction; the clamping mechanism comprises two clamping wheels, the two clamping wheels are installed on the installation plate and can rotate, the installation plate is installed on the driving mechanism, and the driving mechanism can drive the two clamping wheels to move towards the direction of the four-jaw chuck or move towards the opposite direction of the four-jaw chuck.
Description
Technical Field
The utility model relates to a bending machine technical field especially relates to a bending machine of adjustable reducing, and this bending machine can be adjustable to the pipe fitting bending radius that required was buckled.
Background
The basic working principle of the hydraulic pipe bender is that bending moment is applied through reasonable supporting points and stress points, so that the steel pipe is subjected to plastic deformation, and the purpose of bending the steel pipe is achieved. During the process of bending the pipe, the steel pipe is driven by power, and when the tensile stress of the pipe wall reaches the yield limit of steel under the action of the force of the steel pipe, the steel pipe is plastically deformed and is bent and formed along a set radius.
At present, the bending machine has developed maturity to a certain extent, but certain innovation can be carried out in certain aspects. For example, the present need could be better met if an adjustable bend radius bender were made.
Disclosure of Invention
An object of the utility model is to overcome prior art's is not enough, adapts to reality needs, provides the bending machine of adjustable reducing, and this bending machine can solve the technical problem that present majority bending machine can only be crooked same radial tubular product.
In order to realize the utility model discloses a purpose, the utility model discloses the technical scheme who adopts does:
designing a pipe bender with adjustable diameter, which comprises a bending mechanism and a clamping mechanism, wherein the bending mechanism and the clamping mechanism are both arranged on a frame; the bending mechanism comprises a four-jaw chuck, the jaws of the four-jaw chuck are respectively provided with a rotatable roller, the four-jaw chuck is arranged on a rotating mechanism and can rotate in the circumferential direction, and the rollers on the four-jaw chuck can move outwards or inwards along with the jaws to adjust the size of the rotating radius of the four-jaw chuck when the four-jaw chuck moves in the circumferential direction;
the clamping mechanism comprises two clamping wheels, the two clamping wheels are installed on the installation plate and can rotate, the installation plate is installed on the driving mechanism, and the driving mechanism can drive the two clamping wheels to move towards the direction of the four-jaw chuck or move towards the opposite direction of the four-jaw chuck.
The four-jaw chuck is installed on the driving shaft, a bearing is installed on the rack, the driving shaft is installed in the bearing and extends downwards, a driving motor is installed below the rack, and a power output shaft of the driving motor is connected with a power input end of the driving shaft through a coupler.
The driving mechanism comprises two guide rails fixed on the top of the rack in parallel and sliding blocks arranged on the two guide rails in a sliding manner, and the mounting plate is fixedly arranged on the two sliding blocks.
Actuating mechanism is still including being fixed in the lead screw sleeve at mounting panel front side frame top, lead screw sleeve female connection has the drive lead screw, with the rectangle opening has been seted up to the mounting panel lateral part that the drive lead screw tip set up in opposite directions, towards a screw hole has been seted up to the rectangle opening side of drive lead screw tip, drive lead screw threaded connection is in the screw hole, and drive lead screw and the inboard side interval setting of rectangle open-ended.
The power input end of the driving screw rod is connected with a servo motor, and the servo motor is installed at the top of the rack.
And the power input end of the driving screw rod is connected with a rocking handle.
The driving mechanism further comprises a locking sleeve fixedly installed on the screw rod sleeve, the locking sleeve is sleeved on the driving screw rod, a locking threaded hole is formed in the side portion of the locking sleeve and penetrates through the side wall of the locking sleeve, a locking bolt is connected to the inner thread of the locking threaded hole, the end portion of the locking bolt can abut against the side wall of the driving screw rod, and stopping of the screw rod is achieved.
The four-jaw chuck is provided with a driving input port, and comprises a driving rod for driving jaws on the four-jaw chuck to move, and the driving rod is inserted into the driving input port and then rotates to drive the four-jaw chuck to move.
And a pipe fitting clamping device is fixed on the side part of the four-jaw chuck, and after the pipe fitting is clamped by two clamping wheels and one of the rollers on the clamping mechanism, the end part of the pipe fitting is clamped and fixed by the pipe fitting clamping device.
The pipe fitting clamping device comprises a fixing part fixed on the four-jaw chuck through bolts, a first pipe fitting clamp is fixed at the top of the fixing part through connecting rods, and a second pipe fitting clamp matched with the first pipe fitting clamp is further arranged.
The two clamping wheels are respectively arranged on an installation shaft which is fixedly arranged on the installation plate.
The idler wheel is arranged on the rotating shaft, and the rotating shaft is fixedly arranged on the clamping jaw.
The circumferential surfaces of the clamping wheels and the idler wheels are provided with arc-shaped guide grooves which are sunken inwards.
The beneficial effects of the utility model reside in that:
its structural design of this design is novel, then can realize adjusting pipe fitting bend radius through four gyro wheels on the four-jaw chuck and the cooperation of two tight pulleys, the demand in adaptation market that can be better through this mode.
Drawings
FIG. 1 is a schematic view of the main structure of the present invention;
FIG. 2 is a schematic view of the structure of FIG. 1 from another perspective;
fig. 3 is a schematic view of the main structure of the clamping mechanism in a side view state;
fig. 4 is a schematic view of the main structure of the clamping mechanism and the bending mechanism of the present invention;
fig. 5 is a schematic view of the principal structure of the clamping mechanism and the bending mechanism in embodiment 2.
Detailed Description
The invention will be further described with reference to the following figures and examples:
example 1: a pipe bender with adjustable diameter, which can be seen in fig. 1 to 4.
The bending mechanism and the clamping mechanism are both arranged on the frame 1.
Specifically, the bending mechanism comprises a four-jaw chuck 5, the four-jaw chuck 5 is provided with a driving input port, and further comprises a driving rod 6 for driving jaws of the four-jaw chuck to move, and the driving rod 6 is inserted into the driving input port to rotate so as to drive the jaws 7 of the four-jaw chuck to move (the above is the prior art).
In the design, four jaws 7 of the four-jaw chuck 5 are respectively provided with a rotatable roller 9, the rollers 9 are arranged on a rotating shaft 8, and the rotating shaft 8 is fixedly arranged on the jaws 7; meanwhile, the four-jaw chuck 5 is arranged on a rotating mechanism and can rotate in the circumferential direction, and the roller 9 on the four-jaw chuck 5 can adjust the size of the rotating radius of the four-jaw chuck when the four-jaw chuck rotates around the axis of the four-jaw chuck along with the outward or inward movement of the jaws.
Further, the four-jaw chuck 5 is installed on the driving shaft, a bearing is installed on the rack, the driving shaft is installed in the bearing and extends downwards, the driving motor 2 is installed below the rack, and a power output shaft of the driving motor 2 is connected with a power input end of the driving shaft through a coupler 3.
Specifically, clamping mechanism includes two pinch rollers 13, and two pinch rollers 13 are installed on mounting panel 12 and rotatable, two pinch rollers 13 install respectively on the installation axle, installation axle fixed mounting is on mounting panel 12, simultaneously, mounting panel 12 is installed on actuating mechanism, and actuating mechanism can drive two pinch rollers to four-jaw chuck direction removal or to four-jaw chuck opposite direction removal.
Specifically, the driving mechanism comprises two guide rails 19 fixed on the top of the frame 1 in parallel, and a sliding block 11 slidably mounted on the two guide rails 19, the sliding block 11 is in an inverted U shape or a [ shape ] and is reversely buckled on the guide rails 19, and the mounting plate 12 is fixedly mounted on the two sliding blocks 11.
Further, actuating mechanism is still including being fixed in the lead screw sleeve 15 at mounting panel 12 front side frame top, lead screw sleeve 15 female connection has drive lead screw 17, with rectangle opening 20 has been seted up to the mounting panel lateral part that drive lead screw tip set up in opposite directions, towards a screw hole has been seted up to the rectangle opening side of drive lead screw tip, drive lead screw threaded connection is in the screw hole, and the inboard side interval of drive lead screw and rectangle opening 20 sets up.
Further, in this embodiment, a servo motor (the servo motor is not shown in the drawings, and the position of the rocking handle 10 in the drawings is the installation position of the servo motor) is connected to the power input end of the driving screw rod 17, and the servo motor is installed at the top of the frame.
Furthermore, the circumferential surfaces of the clamping wheel and the roller in the design are provided with inwards sunken arc-shaped guide grooves.
The application method of the pipe bender with the adjustable and variable diameter described in embodiment 1 is as follows:
1. as shown in figure 1, a pipe 18 is placed between the clamping wheel and the roller, the driving rod 6 is inserted into the driving input interface according to the size of the required bending radius and then rotates to drive the claws 7 on the four-claw chuck to move, the rotating radius of the rotating surfaces of the four rollers is adjusted in this way, and the driving rod is removed after adjustment.
2. The servo motor rotates and drives the driving screw rod to rotate, at the moment, the driving screw rod drives the mounting plate to slide on the two guide rails by means of the sliding block, and then the two clamping wheels move towards the direction of the roller contacted with the pipe fitting and clamp the pipe fitting.
3. Afterwards, the four-jaw chuck 5 rotates through the driving motor, at the moment, the two clamping wheels continue to apply pressure on the pipe fitting, so that the connecting line of the central lines of the sections of the two clamping wheels is crossed with the rotating surfaces of the four rollers, namely, the connecting points of the sections of the two clamping wheels and the contact points of the pipe fitting and the four rollers in the rotating circumference are not on the same straight line (three points are on the same plane) until the required bending radius position is reached, and then the servo motor stops, and the four-jaw chuck 5 continues to rotate and compresses the pipe fitting to form the pipe bending effect.
Thus, the purpose of bending pipe fitting 18 can be achieved by the above-described method.
Example 2: an adjustable pipe bender is shown in fig. 1 to 5.
The bending mechanism and the clamping mechanism are both arranged on the frame 1.
Specifically, the bending mechanism includes a four-jaw chuck 5, the four-jaw chuck 5 has a driving input port, and further includes a driving rod 6 for driving the jaws of the four-jaw chuck to move, and the driving rod 6 is inserted into the driving input port to rotate so as to drive the jaws 7 of the four-jaw chuck to move (the above is the prior art).
In the design, four jaws 7 of the four-jaw chuck 5 are respectively provided with a rotatable roller 9, the rollers 9 are arranged on a rotating shaft 8, and the rotating shaft 8 is fixedly arranged on the jaws 7; meanwhile, the four-jaw chuck 5 is arranged on a rotating mechanism and can rotate in the circumferential direction, and the roller 9 on the four-jaw chuck 5 can adjust the size of the rotating radius of the four-jaw chuck when the four-jaw chuck moves in the circumferential direction outwards or inwards along with the outward or inward movement of the jaws.
Further, the four-jaw chuck 5 is installed on the driving shaft, a bearing is installed on the rack, the driving shaft is installed in the bearing and extends downwards, the driving motor 2 is installed below the rack, and a power output shaft of the driving motor 2 is connected with a power input end of the driving shaft through a coupler 3.
Specifically, clamping mechanism includes two pinch rollers 13, and two pinch rollers 13 are installed on mounting panel 12 and rotatable, two pinch rollers 13 install respectively on the installation axle, installation axle fixed mounting is on mounting panel 12, simultaneously, mounting panel 12 is installed on actuating mechanism, and actuating mechanism can drive two pinch rollers to four-jaw chuck direction removal or to four-jaw chuck opposite direction removal.
Specifically, the driving mechanism comprises two guide rails 19 fixed on the top of the frame 1 in parallel, and a sliding block 11 slidably mounted on the two guide rails 19, the sliding block 11 is in an inverted U shape or a [ shape ] and is reversely buckled on the guide rails 19, and the mounting plate 12 is fixedly mounted on the two sliding blocks 11.
Further, actuating mechanism is still including being fixed in the lead screw sleeve 15 at mounting panel 12 front side frame top, lead screw sleeve 15 female connection has drive lead screw 17, with rectangle opening 20 has been seted up to the mounting panel lateral part that drive lead screw tip set up in opposite directions, towards a screw hole has been seted up to the rectangle opening side of drive lead screw tip, drive lead screw threaded connection is in the screw hole, and the inboard side interval of drive lead screw and rectangle opening 20 sets up.
Furthermore, the circumferential surfaces of the clamping wheel and the roller in the design are provided with inwards sunken arc-shaped guide grooves.
Further, in the present embodiment, a rocking handle 10 is connected to the power input end of the driving screw 17.
Further, in this embodiment the actuating mechanism further includes a locking sleeve 15 fixedly mounted on the screw rod sleeve, the locking sleeve 15 is sleeved on the driving screw rod 17, a locking threaded hole is formed in a side portion of the locking sleeve 15, the locking threaded hole penetrates through a side wall of the locking sleeve, a locking bolt 16 is connected to an inner thread of the locking threaded hole, and an end portion of the locking bolt 16 can be abutted against a side wall of the driving screw rod 17.
Further, a pipe clamping device is fixed on the side portion of the four-jaw chuck in the embodiment, and after a pipe is clamped by two clamping wheels and one of the rollers on the clamping mechanism, the end portion of the pipe is clamped and fixed by the pipe clamping device.
Particularly, pipe fitting clamping device includes that the top of fixing piece 23, fixing piece 23 on the four-jaw chuck through the bolt fastening has first pipe fitting clamp 25 through the connecting rod, still include with the second pipe fitting clamp 26 that first pipe fitting clamp 25 matches, first pipe fitting clamp 25 with the both ends of second pipe fitting clamp 26 are respectively through bolt 27 fixed, and the tip of pipe fitting 18 through first pipe fitting clamp 25 with second pipe fitting clamp 26 presss from both sides the fastening.
1. As shown in figure 1, a pipe 18 is placed between the clamping wheel and the roller, the driving rod 6 is inserted into the driving input interface according to the size of the required bending radius and then rotates to drive the claws 7 on the four-claw chuck to move, the rotating radius of the rotating surfaces of the four rollers is adjusted in this way, and the driving rod is removed after adjustment.
2. The front ends of the pipe elements are placed between the first pipe clamp 25 and the second pipe clamp 26 and secured by bolts 27.
3. The rocking handle is rotated and the drive lead screw is rotated, at the moment, the drive lead screw drives the mounting plate to slide on the two guide rails by virtue of the sliding block, the two clamping wheels move towards the direction of the roller contacted with the pipe fitting and clamp the pipe fitting, at the moment, the locking bolt is screwed and is enabled to abut against the side wall of the drive lead screw, and the drive lead screw is locked and fixed by the mode.
4. The driving motor rotates and drives the four rollers on the four-jaw chuck to rotate, when the four rollers rotate, the pipe fitting is driven forwards, a bending effect is formed, after the pipe fitting is bent, the bolt 27 is loosened, and then the bent pipe fitting is taken down.
Thus, the purpose of bending pipe fitting 18 can be achieved by the above-described method.
The embodiment of the present invention discloses a preferred embodiment, but not limited thereto, and those skilled in the art can easily understand the spirit of the present invention according to the above embodiment, and make different extensions and changes, but do not depart from the spirit of the present invention, all of which are within the protection scope of the present invention.
Claims (10)
1. A pipe bender with adjustable diameter comprises a bending mechanism and a clamping mechanism, wherein the bending mechanism and the clamping mechanism are both arranged on a frame; the method is characterized in that: the bending mechanism comprises a four-jaw chuck, the jaws of the four-jaw chuck are respectively provided with a rotatable roller, the four-jaw chuck is arranged on a frame and can do rotary motion around the axis of the four-jaw chuck, and the rollers on the four-jaw chuck can adjust the four-jaw chuck to do radial telemotion along with the outward or inward telemotion of the jaws, so that the radius of the bent pipe is large;
the clamping mechanism further comprises two clamping wheels, the two clamping wheels are installed on the installation plate and can rotate, the installation plate is installed on the driving mechanism, and the driving mechanism can drive the two clamping wheels to move towards the direction of the four-jaw chuck or move towards the opposite direction of the four-jaw chuck.
2. The variable diameter bender according to claim 1, wherein: the four-jaw chuck is installed on the driving shaft, a bearing is installed on the rack, the driving shaft is installed in the bearing and extends downwards, a driving motor is installed below the rack, and a power output shaft of the driving motor is connected with a power input end of the driving shaft through a coupler.
3. The variable diameter bender according to claim 1, wherein: the driving mechanism comprises two guide rails fixed on the top of the rack in parallel and sliding blocks arranged on the two guide rails in a sliding manner, and the mounting plate is fixedly arranged on the two sliding blocks.
4. The variable diameter bender according to claim 3, wherein: actuating mechanism is still including being fixed in the lead screw sleeve at mounting panel front side frame top, lead screw sleeve female connection has the drive lead screw, with the rectangle opening has been seted up to the mounting panel lateral part that the drive lead screw tip set up in opposite directions, towards a screw hole has been seted up to the rectangle opening side of drive lead screw tip, drive lead screw threaded connection is in the screw hole, and drive lead screw and the inboard side interval setting of rectangle open-ended.
5. The variable diameter bender according to claim 4, wherein: the power input end of the driving screw rod is connected with a servo motor, and the servo motor is installed at the top of the rack.
6. The variable diameter bender according to claim 4, wherein: and the power input end of the driving screw rod is connected with a rocking handle.
7. The variable diameter bender according to claim 6, wherein: the driving mechanism further comprises a locking sleeve fixedly installed on the screw rod sleeve, the locking sleeve is sleeved on the driving screw rod, a locking threaded hole is formed in the side portion of the locking sleeve and penetrates through the side wall of the locking sleeve, a locking bolt is connected to the inner thread of the locking threaded hole, the end portion of the locking bolt can abut against the side wall of the driving screw rod, and stopping of the screw rod is achieved.
8. The variable diameter bender according to claim 7, wherein: and a pipe fitting clamping device is fixed on the side part of the four-jaw chuck, and after the pipe fitting is clamped by two clamping wheels and one of the rollers on the clamping mechanism, the end part of the pipe fitting is clamped and fixed by the pipe fitting clamping device.
9. The variable diameter bender according to claim 8, wherein: the pipe fitting clamping device comprises a fixing part fixed on the four-jaw chuck through bolts, a first pipe fitting clamp is fixed at the top of the fixing part through connecting rods, and a second pipe fitting clamp matched with the first pipe fitting clamp is further arranged.
10. The variable diameter bender according to claim 1, wherein: the four-jaw chuck is provided with a jaw driving input port, the four-jaw chuck comprises a driving rod for driving jaws on the four-jaw chuck to move, and the driving rod is inserted into the driving input port and then rotates to drive the jaws on the four-jaw chuck to move.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020482589.4U CN212238727U (en) | 2020-04-06 | 2020-04-06 | Adjustable reducing pipe bender |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020482589.4U CN212238727U (en) | 2020-04-06 | 2020-04-06 | Adjustable reducing pipe bender |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212238727U true CN212238727U (en) | 2020-12-29 |
Family
ID=73984069
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020482589.4U Expired - Fee Related CN212238727U (en) | 2020-04-06 | 2020-04-06 | Adjustable reducing pipe bender |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212238727U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112893549A (en) * | 2021-01-25 | 2021-06-04 | 浙江大学 | Bending forming device for pipe fitting capable of bending and changing pipe diameter and bending diameter |
| CN113458211A (en) * | 2021-07-30 | 2021-10-01 | 浙江金马逊机械有限公司 | Multidirectional and multi-angle pipe fitting bending forming equipment and forming method |
| CN116393618A (en) * | 2023-05-11 | 2023-07-07 | 国网山东省电力公司东营市河口区供电公司 | Adjustable cable bending device for power construction |
-
2020
- 2020-04-06 CN CN202020482589.4U patent/CN212238727U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112893549A (en) * | 2021-01-25 | 2021-06-04 | 浙江大学 | Bending forming device for pipe fitting capable of bending and changing pipe diameter and bending diameter |
| CN112893549B (en) * | 2021-01-25 | 2021-12-10 | 浙江大学 | Bending forming device for pipe fitting capable of bending and changing pipe diameter and bending diameter |
| CN113458211A (en) * | 2021-07-30 | 2021-10-01 | 浙江金马逊机械有限公司 | Multidirectional and multi-angle pipe fitting bending forming equipment and forming method |
| CN113458211B (en) * | 2021-07-30 | 2022-12-09 | 浙江金马逊智能制造股份有限公司 | Multidirectional and multi-angle pipe fitting bending forming equipment and forming method |
| CN116393618A (en) * | 2023-05-11 | 2023-07-07 | 国网山东省电力公司东营市河口区供电公司 | Adjustable cable bending device for power construction |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201229 |