CN210188287U - Avoid return bend equipment of centre gripping deformation - Google Patents
Avoid return bend equipment of centre gripping deformation Download PDFInfo
- Publication number
- CN210188287U CN210188287U CN201920968461.6U CN201920968461U CN210188287U CN 210188287 U CN210188287 U CN 210188287U CN 201920968461 U CN201920968461 U CN 201920968461U CN 210188287 U CN210188287 U CN 210188287U
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- Prior art keywords
- seat
- swing
- fixing seat
- rotating shaft
- pipe bending
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Abstract
The utility model discloses an avoid return bend equipment of centre gripping deformation, include: the bottom of the rotating shaft is provided with a rotating driving module; the pipe bending die is arranged at the top of the rotating shaft, and the surface of the pipe bending die is provided with an arc-shaped groove for bending and a first straight groove tangent to the arc-shaped groove; the swing arm is arranged on one side of the rotating shaft and extends along the radial direction of the rotating shaft; the swing seat is arranged on the top surface of the swing arm, a fixture fixing seat is arranged on the swing seat, a fixture corresponding to the pipe bending mold is arranged on the front surface of the fixture fixing seat, and a second straight groove corresponding to the first straight groove is arranged on the fixture; the swing seat driving device drives the clamp fixing seat to swing so as to clamp the bent pipe; and the limiting device is used for limiting the swing angle of the fixture fixing seat. In this way, avoid the return bend equipment of centre gripping deformation, utilize swing seat drive arrangement to carry out the swing of anchor clamps, realize the centre gripping of steel pipe, reduce the centre gripping and warp, through the swing angle of stop device restriction anchor clamps fixing base, avoid the clamping-force too big.
Description
Technical Field
The utility model relates to a return bend machinery especially relates to an avoid return bend equipment of centre gripping deformation.
Background
The pipe bender is a common device for bending steel pipes, can realize continuous bending of the steel pipes, and has flexible modeling, so that the bent steel pipes are widely used.
When the steel pipe is bent, the end part of the steel pipe needs to be clamped, and then the steel pipe is bent through rotation of the die. Because the deformation of the inner side and the outer side is different during bending, the steel pipe generates tensile stress to resist deformation, the requirement on the clamping force is high, the deformation problem of the steel pipe is easily caused by overlarge clamping force, the defect that the steel pipe is difficult to repair is caused, and improvement is needed.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the main technical problem who solves provides an avoid the return bend equipment of centre gripping deformation, realizes the centre gripping and the return bend operation of steel pipe, avoids the deformation problem of clamping part.
In order to solve the technical problem, the utility model discloses a technical scheme be: provided is a pipe bending apparatus avoiding clamping deformation, including:
the bottom of the rotating shaft is provided with a rotation driving module, and the rotating shaft rotates at a certain angle when being bent;
the pipe bending die is arranged at the top of the rotating shaft, and the surface of the pipe bending die is provided with an arc-shaped groove for bending and a first straight groove tangent to the arc-shaped groove;
the swing arm is arranged on one side of the rotating shaft, extends along the radial direction of the rotating shaft and synchronously rotates along with the rotating shaft;
the swing seat is arranged on the top surface of the swing arm, a fixture fixing seat is arranged on the swing seat, a fixture corresponding to the pipe bending mold is arranged on the front surface of the fixture fixing seat, and a second straight groove corresponding to the first straight groove is arranged on the fixture;
the swing seat driving device drives the clamp fixing seat to swing, so that the included angle between the first straight groove and the second straight groove is changed, and the bent pipe is clamped;
and the limiting device limits the swing angle of the fixture fixing seat and avoids clamping deformation of the bent pipe.
In a preferred embodiment of the present invention, the rotation driving module includes a speed reducer, a motor, a first gear and a second gear, the second gear is sleeved on the rotation shaft, the first gear is disposed at an output end of the speed reducer and engaged with the second gear, and the motor is disposed at an input end of the speed reducer.
In a preferred embodiment of the present invention, the motor is a servo motor, and the rotation driving module further includes a PLC controller linearly connected to the servo motor.
In a preferred embodiment of the present invention, the cross sections of the arc-shaped groove, the first straight groove and the second straight groove are arc-shaped structures respectively.
In a preferred embodiment of the present invention, the swing seat driving device includes a first pin, a second pin, and a cylinder, the first pin and the second pin are vertically disposed on the swing seat, and the second pin is located behind one side of the first pin, the fixture fixing seat is provided with a rotating sleeve disposed on the first pin, the back of the fixture fixing seat is provided with a pin seat, and the cylinder is disposed between the second pin and the pin seat.
In a preferred embodiment of the present invention, the back of the clamp fixing seat is provided with a first bolt connected with the clamp.
In a preferred embodiment of the present invention, a plurality of spacers are disposed between the fixture fixing base and the fixture, and the spacers are provided with through holes corresponding to the first bolts.
In a preferred embodiment of the present invention, the swing seat driving device further includes an oil pump and a solenoid valve, the oil pump is connected to the oil cylinder by a pipeline, and the solenoid valve is disposed on the pipeline and is linearly connected to the PLC controller.
In a preferred embodiment of the present invention, the limiting device includes a limiting seat and a travel switch, the travel switch is disposed on the limiting seat and points to the front surface of the fixture fixing seat, a waist hole is disposed on the limiting seat, and a second bolt connected to the swing seat is disposed on the waist hole.
In a preferred embodiment of the present invention, the travel switch is connected to the PLC controller in a linear manner for signal transmission.
The utility model has the advantages that: the utility model provides an avoid return bend equipment of centre gripping deformation, utilize swing seat drive arrangement to carry out the swing of anchor clamps for the steel pipe can be by the centre gripping between first straight flute and second straight flute, the steel pipe is big with the straight area of contact of first straight flute and second straight flute, reduce centre gripping deformation problem, in addition, through the swing angle of stop device restriction anchor clamps fixing base, avoid the too big problem of clamping-force, carry out stop device's position determination through the return bend test, then just can batch production, high efficiency.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work, wherein:
fig. 1 is a schematic top view of a preferred embodiment of the pipe bending apparatus for avoiding clamping deformation according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1, an embodiment of the present invention includes:
a pipe bending apparatus for avoiding clamping deformation as shown in fig. 1, comprising:
the rotary driving module is arranged at the bottom of the rotating shaft 1 and rotates at a certain angle during pipe bending, the rotary driving module comprises a speed reducer, a motor, a first gear and a second gear, the second gear is sleeved on the rotating shaft 1, the first gear is arranged at the output end of the speed reducer and meshed with the second gear, the rotating shaft 1 is driven to rotate through the speed reducer, the motor is arranged at the input end of the speed reducer, the motor is a servo motor, the precision of rotation control is high, the rotary driving module further comprises a PLC (programmable logic controller) linearly connected with the servo motor, and the rotation angle of the rotating shaft 1 is set and controlled through the PLC;
the pipe bending die 2 is arranged at the top of the rotating shaft 1, an arc-shaped groove 3 for bending and a first straight groove 4 tangent to the arc-shaped groove are arranged on the surface of the pipe bending die, the first straight groove 4 is used for clamping a steel pipe, and the arc-shaped groove 3 is used for bending and forming the steel pipe;
the swing arm 6 is arranged on one side of the rotating shaft 1, extends along the radial direction of the rotating shaft 1, and synchronously rotates along with the rotating shaft 1, and a stop block 18 positioned on the left side of the swing arm 6 is arranged on the equipment to limit the initial position of the swing arm 6, so that the swing arm 6 is convenient to reset;
the swing seat 9 is arranged on the top surface of the swing arm 6, a clamp fixing seat 10 is arranged on the swing seat 9, a clamp 17 corresponding to the pipe bending die 2 is arranged on the front surface of the clamp fixing seat 10, a first bolt connected with the clamp 17 is arranged on the back surface of the clamp fixing seat 10, the installation is convenient, the structure is firm, a plurality of gaskets 7 are arranged between the clamp fixing seat and the clamp, through holes corresponding to the first bolts are formed in the gaskets 7, the distance between the clamp 17 and the pipe bending die 2 during clamping is changed by adjusting the number of the gaskets 7, and the proper distance and the number of the gaskets 7 are adjusted through tests, so that the deformation problem of a steel pipe caused by clamping is avoided while a certain clamping force is ensured;
the clamp 17 is provided with a second straight groove 5 corresponding to the first straight groove 4, the second straight groove 5 is matched with the first straight groove 4 to clamp the steel pipe, the sections of the arc-shaped groove 3, the first straight groove 4 and the second straight groove 5 are respectively of an arc structure, the first straight groove 4 and the second straight groove 5 are respectively contacted with the excircle of the steel pipe, the stress area is large, the clamping stability is high, the problem of clamping deformation is reduced, and the pipe bending is convenient;
the swing seat driving device drives the clamp fixing seat 10 to swing, an included angle between the first straight groove 4 and the second straight groove 5 is changed, and clamping of a bent pipe is performed, the swing seat driving device comprises a first pin shaft 13, a second pin shaft 11, an oil cylinder 12, an oil pump and an electromagnetic valve, the oil pump is connected with the oil cylinder through a pipeline, the electromagnetic valve is arranged on the pipeline and is linearly connected with a PLC (programmable logic controller), the PLC is used for controlling the electromagnetic valve to achieve stretching of a certain length of the oil cylinder 12, the first pin shaft 13 and the second pin shaft 11 are vertically arranged on the swing seat 9, the second pin shaft 11 is located behind one side of the first pin shaft 13, one end of the clamp fixing seat 10 is provided with a rotating sleeve 8 sleeved on the first pin shaft 13, the back of the clamp fixing seat 10 is provided with a pin seat 14, the oil cylinder 12 is arranged between the second pin shaft 11 and the pin seat 14, and through, the swing of the fixture fixing seat 10 is driven, the included angle between the first straight groove 4 and the second straight groove 5 is changed, and when the first straight groove 4 is parallel to the second straight groove 5, the first straight groove 4 and the second straight groove 5 respectively keep the largest contact area with the outer circle of the steel pipe;
the limiting device limits the swing angle of the fixture fixing seat 10, clamping deformation of the bent pipe is avoided, the limiting device comprises a limiting seat 16 and a travel switch 15, the travel switch 15 is arranged on the limiting seat 16 and points to the front face of the fixture fixing seat 10, a waist hole is formed in the limiting seat 16, a second bolt connected with the swing seat 9 is arranged on the waist hole, positions of the limiting seat 16 and the travel switch 15 are adjusted respectively, when the first straight groove 4 and the second straight groove 5 are parallel, the PLC obtains a signal to control the electromagnetic valve, the oil cylinder 12 stops extending and keeps thrust, clamping of the steel pipe is achieved, then the motor rotates, and bending production of the steel pipe is achieved.
To sum up, the utility model discloses an avoid return bend equipment of centre gripping deformation has realized the centre gripping and the bending forming of steel pipe, and the centre gripping stability is high, has avoided the too big and problem of deformation of clamping-force, has promoted the quality and the efficiency of production.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all of which utilize the equivalent structure or equivalent flow transformation made by the content of the specification of the present invention, or directly or indirectly applied to other related technical fields, all included in the same way in the patent protection scope of the present invention.
Claims (10)
1. The utility model provides an avoid return bend equipment of centre gripping deformation, carries out the centre gripping and the bending of return bend, a serial communication port, includes:
the bottom of the rotating shaft is provided with a rotation driving module, and the rotating shaft rotates at a certain angle when being bent;
the pipe bending die is arranged at the top of the rotating shaft, and the surface of the pipe bending die is provided with an arc-shaped groove for bending and a first straight groove tangent to the arc-shaped groove;
the swing arm is arranged on one side of the rotating shaft, extends along the radial direction of the rotating shaft and synchronously rotates along with the rotating shaft;
the swing seat is arranged on the top surface of the swing arm, a fixture fixing seat is arranged on the swing seat, a fixture corresponding to the pipe bending mold is arranged on the front surface of the fixture fixing seat, and a second straight groove corresponding to the first straight groove is arranged on the fixture;
the swing seat driving device drives the clamp fixing seat to swing, so that the included angle between the first straight groove and the second straight groove is changed, and the bent pipe is clamped;
and the limiting device limits the swing angle of the fixture fixing seat and avoids clamping deformation of the bent pipe.
2. The pipe bending device capable of avoiding clamping deformation according to claim 1, wherein the rotation driving module comprises a speed reducer, a motor, a first gear and a second gear, the second gear is sleeved on the rotating shaft, the first gear is arranged at an output end of the speed reducer and meshed with the second gear, and the motor is arranged at an input end of the speed reducer.
3. The pipe bending apparatus for avoiding clamping deformation according to claim 2, wherein the motor is a servo motor, and the rotation driving module further comprises a PLC controller linearly connected to the servo motor.
4. The pipe bending apparatus for avoiding clamping deformation according to claim 1, wherein the cross sections of the arc-shaped groove, the first straight groove and the second straight groove are respectively in a circular arc structure.
5. The pipe bending equipment capable of avoiding clamping deformation according to claim 3, wherein the swing seat driving device comprises a first pin shaft, a second pin shaft and an oil cylinder, the first pin shaft and the second pin shaft are vertically arranged on the swing seat, the second pin shaft is located behind one side of the first pin shaft, one end of the fixture fixing seat is provided with a rotating sleeve which is sleeved on the first pin shaft, the back of the fixture fixing seat is provided with a pin seat, and the oil cylinder is arranged between the second pin shaft and the pin seat.
6. The pipe bending apparatus for avoiding clamping deformation according to claim 1, wherein the back of the clamp fixing seat is provided with a first bolt connected with the clamp.
7. The pipe bending device capable of avoiding clamping deformation according to claim 6, wherein a plurality of gaskets are arranged between the clamp fixing seat and the clamp, and through holes corresponding to the first bolts are formed in the gaskets.
8. The pipe bending device capable of avoiding clamping deformation according to claim 5, wherein the swing seat driving device further comprises an oil pump and an electromagnetic valve, the oil pump is connected with the oil cylinder through a pipeline, and the electromagnetic valve is arranged on the pipeline and is in linear connection with the PLC.
9. The pipe bending equipment capable of avoiding clamping deformation according to claim 8, wherein the limiting device comprises a limiting seat and a travel switch, the travel switch is arranged on the limiting seat and is directed to the front face of the clamp fixing seat, a waist hole is formed in the limiting seat, and a second bolt connected with the swing seat is arranged on the waist hole.
10. The clamping deflection avoiding elbow device according to claim 9, wherein said travel switch is in linear connection with a PLC controller for signal transmission.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920968461.6U CN210188287U (en) | 2019-06-26 | 2019-06-26 | Avoid return bend equipment of centre gripping deformation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920968461.6U CN210188287U (en) | 2019-06-26 | 2019-06-26 | Avoid return bend equipment of centre gripping deformation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210188287U true CN210188287U (en) | 2020-03-27 |
Family
ID=69871609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920968461.6U Expired - Fee Related CN210188287U (en) | 2019-06-26 | 2019-06-26 | Avoid return bend equipment of centre gripping deformation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210188287U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115365342A (en) * | 2022-08-03 | 2022-11-22 | 南京卓耐重工机械制造有限公司 | Intelligent machining equipment for corrosion-resistant alloy material for bent pipe |
-
2019
- 2019-06-26 CN CN201920968461.6U patent/CN210188287U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115365342A (en) * | 2022-08-03 | 2022-11-22 | 南京卓耐重工机械制造有限公司 | Intelligent machining equipment for corrosion-resistant alloy material for bent pipe |
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Legal Events
| 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: 20200327 Termination date: 20200626 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |