CN117961809A - Positioning and clamping device for bent pipe and processing equipment - Google Patents

Abstract

The application discloses a positioning and clamping device for bent pipes and processing equipment, wherein the positioning and clamping device comprises: a mounting base; the first clamping mechanism and the second clamping mechanism are arranged on two sides of the mounting seat at intervals; the first clamping mechanism and the second clamping mechanism comprise a mounting disc, a plurality of clamping assemblies and a driving assembly, the clamping assemblies are movably arranged on the mounting disc and are in transmission connection with the driving assembly, the clamping assemblies comprise clamping pieces, and the clamping pieces move relative to the mounting disc along the radial direction of the mounting disc when the clamping assemblies are driven by the driving assembly. From this, through the motion of drive assembly drive holder with the holder adjust to with the pipe wall of return bend relatively, and first fixture and second fixture all can fix and fix a position the return bend of arbitrary radial dimension, compare with prior art, can make the fixed return bend with the location of location clamping device different models to can reduce the processing cost of return bend.

Description

Positioning and clamping device for bent pipe and processing equipment

Technical Field

The application relates to the field of pipe processing, in particular to a positioning and clamping device for an elbow and processing equipment with the positioning and clamping device for the elbow.

Background

In the related art, because the shape of the central axis of the bent pipe is irregular, before the bent pipe is processed, the bent pipe needs to be fixed and positioned by a positioning and clamping device in order to avoid the processing effect of the bent pipe from being influenced by the shape of the bent pipe as much as possible. Because the elbows of different types have different radial sizes, the existing positioning and clamping device can only fix the elbows of one radial size, so that a processing plant needs to design the positioning and clamping devices of various types to fix and position the elbows of different types, and the processing cost of the elbows is overhigh.

Disclosure of Invention

In order to enable the positioning and clamping device to fix and position bent pipes of different types and reduce the processing cost of the bent pipes, the application provides the positioning and clamping device for the bent pipes.

The application further provides processing equipment for the bent pipe.

The application provides a positioning and clamping device for bent pipes, which adopts the following technical scheme:

A positioning and clamping device for an elbow, comprising: a mounting base; the first clamping mechanism and the second clamping mechanism are arranged on two sides of the mounting seat at intervals, and are used for clamping one end of the bent pipe and the second clamping mechanism is used for clamping the other end of the bent pipe; the first clamping mechanism and the second clamping mechanism comprise a mounting disc, a plurality of clamping assemblies and a driving assembly, the clamping assemblies are movably arranged on the mounting disc, the clamping assemblies are sequentially distributed along the circumferential direction of the mounting disc, clamping positions are formed on the mounting disc, and the clamping assemblies are in transmission connection with the driving assembly; the clamping assembly comprises a clamping piece, and when the clamping assembly is driven by the driving assembly, the clamping piece moves relative to the mounting plate along the radial direction of the mounting plate and clamps the pipe wall of the bent pipe.

Through adopting above-mentioned technical scheme, through the motion of drive assembly drive holder with the holder regulation to relative with the pipe wall of return bend, and first fixture and second fixture homoenergetic are fixed and are fixed a position the return bend of arbitrary radial dimension, compare with prior art, can make the fixed return bend of different models of location clamping device fixed and location, can reduce the required location clamping device's of processing factory return bend of different models quantity to can reduce the processing cost of return bend.

Preferably, each clamping assembly comprises a clamping piece, a first moving seat and a second moving seat, the first moving seat is movably arranged on the second moving seat, the second moving seat is movably arranged on the mounting plate, the clamping piece is arranged on the first moving seat, the second moving seat is in transmission connection with the driving assembly, the second moving seat is driven by the driving assembly to move along the radial direction of the mounting plate relative to the mounting plate, and the second moving seat is driven to move along the radial direction of the mounting plate relative to the movement of the mounting plate.

Through adopting above-mentioned technical scheme, the maximum motion stroke of holder is the maximum motion stroke of first motion seat and the maximum motion stroke sum of second motion seat, and first motion seat and second motion seat cooperation can effectively increase the maximum motion stroke of holder to can increase the maximum interval distance between centre of a circle of holder and mounting disc, can make holder and the return bend adaptation of radial dimension bigger, and then can further fix a position clamping device's product quality.

Preferably, the clamping assembly is further provided with a pulling member set, the pulling member set comprises a first pulling member and a second pulling member, the first moving seat is provided with a first fixing portion, the mounting plate is provided with a second fixing portion, the first pulling member and the second pulling member are both connected between the first fixing portion and the second fixing portion, the second moving seat is provided with a first end and a second end along the radial direction of the mounting plate, the second end is located outside the first end, the first pulling member is located outside the first end and is in abutting fit with the second moving seat, and the second pulling member is located outside the second end and is in abutting fit with the second moving seat.

Through adopting above-mentioned technical scheme, when the radial direction of second motion seat along the mounting disc moves towards the inboard of mounting disc, the interval distance between the first end tip of second motion seat and the second fixed part increases, and the length dimension of the part structure of first tractive spare between the first end tip of second motion seat and first fixed part corresponds the reduction, and first tractive spare can pull first motion seat through first fixed part to can make first motion seat along the radial direction of mounting disc move towards the inboard of mounting disc.

When the second moving seat moves towards the outer side of the mounting plate along the radial direction of the mounting plate, the interval distance between the second end part of the second moving seat and the second fixing part is increased, the length dimension of the part structure of the second pulling piece between the second end part of the second moving seat and the second fixing part is increased, and the length dimension of the part structure of the second pulling piece between the second end part of the second moving seat and the first fixing part is correspondingly reduced, the second pulling piece can pull the first moving seat through the first fixing part, so that the first moving seat can move towards the outer side of the mounting plate along the radial direction of the mounting plate.

Preferably, the first end is provided with a first rolling element, the first traction element is arranged on the outer side of the first rolling element in a winding mode and is suitable for driving the first rolling element to rotate around the central axis of the first rolling element, and/or the second end is provided with a second rolling element, and the second traction element is arranged on the outer side of the second rolling element in a winding mode and is suitable for driving the second rolling element to rotate around the central axis of the second rolling element.

Through adopting above-mentioned technical scheme, through first tractive spare and first rolling element cooperation to/or second tractive spare and second rolling element cooperation, can reduce the frictional force between first tractive spare and the second motion seat, between second tractive spare and the second motion seat to can slow down the wearing and tearing speed of first tractive spare and second tractive spare, and then can improve the operational reliability of location clamping device.

Preferably, a first driving piece is arranged between the clamping piece and the first movement seat, and the first driving piece is used for driving the clamping piece to move along the radial direction of the mounting plate relative to the first movement seat; the clamping piece comprises a first clamping part, a second clamping part and a second driving piece, wherein the first clamping part and the second clamping part are distributed along the radial direction of the mounting disc, a clamping gap is formed between the first clamping part and the second clamping part, one of the first clamping part and the second clamping part is in transmission connection with the second driving piece, and the second driving piece is used for driving one of the first clamping part and the second clamping part which is correspondingly connected to move along the radial direction of the mounting disc relative to the other one of the first clamping part and the second clamping part.

Through adopting above-mentioned technical scheme, when the pipe wall shape of return bend is irregular, through the relative first motion seat motion of first driving piece drive holder, the relative position between holder and the mount pad can be finely tuned to first driving piece to can ensure that holder and return bend's pipe wall set up relatively, can effectively avoid the setting of staggering of holder and return bend's pipe wall. Before the bent pipe is clamped or dismounted by the clamping piece, the pipe wall of the bent pipe can more easily extend into or fall out of the clamping gap by increasing the gap size of the clamping gap, and after the pipe wall of the bent pipe extends into the clamping gap, the pipe wall of the bent pipe can be jointly clamped and fixed by the first clamping part and the second clamping part by reducing the gap size of the clamping gap, so that the bent pipe can be prevented from falling off from between the first clamping mechanism and the second clamping mechanism.

Preferably, the driving assembly comprises a first driving motor, a driving rod and a plurality of transmission rods, wherein the output end of the first driving motor is fixedly connected with one end of the driving rod, the transmission rods are in one-to-one correspondence with the clamping assemblies, one end of each transmission rod is in transmission connection with the other end of each driving rod, and the other end of each transmission rod is in transmission connection with the corresponding clamping assembly.

Through adopting above-mentioned technical scheme, through actuating lever and a plurality of transfer lines cooperation, can make a first driving motor drive a plurality of clamping assemblies simultaneously along the radial direction motion of mounting disc, reduced the required driving motor's of first fixture and second fixture drive clamping assembly motion quantity. The synchronous motion of a plurality of clamping assemblies can also be ensured to the setting to can make the motion stroke of a plurality of clamping assemblies relative mounting disc unanimous, can make the central axis of mounting disc tangent as far as possible with the central axis of return bend, and then can make first fixture and second fixture more accurate to the positioning effect of return bend.

Preferably, each of the first clamping mechanism and the second clamping mechanism further comprises: the mechanism comprises a mechanism body and an angle adjusting assembly, wherein the mechanism body is installed on the installation seat and extends along the height direction of the positioning clamping device, the angle adjusting assembly is connected between the installation disc and the mechanism body, and the angle adjusting assembly is used for adjusting the angle of the installation disc.

Through adopting above-mentioned technical scheme, through utilizing angle adjusting part to adjust the mounting disc, to the return bend that has arbitrary radian angle, the mounting disc of first fixture, the mounting disc of second fixture homoenergetic set up relatively with the tip of return bend to can make a plurality of holders of first fixture, a plurality of holders of second fixture homoenergetic reliable centre gripping return bend's pipe wall, and then can make location clamping device's commonality better, can further improve location clamping device's product quality.

Preferably, the angle adjusting component comprises a first connecting bracket, a second connecting bracket and a second driving motor, wherein the first connecting bracket is fixedly connected with the mechanism body, the second connecting bracket is fixedly connected with the mounting plate, the second connecting bracket is movably arranged on the first connecting bracket, the second connecting bracket is provided with an arc-shaped angle adjusting part, the second driving motor is arranged on the first connecting bracket, the angle adjusting part is in transmission connection with the second driving motor, and the second driving motor is used for driving the second connecting bracket to rotate around a rotation axis relative to the first connecting bracket so as to adjust the angle of the mounting plate, wherein the rotation axis is intersected with the central axis of the mounting plate and is mutually perpendicular.

Through adopting above-mentioned technical scheme, when the relative first linking bridge motion of second linking bridge, the second linking bridge can drive the relative mechanism body rotation of mounting disc to can realize adjusting the technological effect of the contained angle between the central axis of mounting disc and the central axis of mechanism body.

Preferably, the mounting seat is provided with a first guide member, and the first clamping mechanism and/or the second clamping mechanism is provided with a second guide member, and the first guide member is in guide fit with the second guide member so as to enable the second clamping mechanism to be close to or far away from the first clamping mechanism.

Through adopting above-mentioned technical scheme, through making second fixture be close to or keep away from first fixture motion, can adjust the interval distance between second fixture and the first fixture, so can make the equal adaptation of return bend of location clamping device and arbitrary length dimension, can further improve location clamping device's commonality, and then can further promote location clamping device's product quality.

The application provides processing equipment for bent pipes, which adopts the following technical scheme:

A processing apparatus for bending tubing, comprising: the positioning and clamping device is used for clamping and fixing the bent pipe and is the positioning and clamping device for the bent pipe; and the processing device is used for processing the clamped and fixed bent pipe.

Through adopting above-mentioned technical scheme, location clamping device sets up in processing equipment, and the motion of drive assembly drive holder is in order to adjust the holder to relative with the pipe wall of return bend, and first fixture and second fixture homoenergetic are fixed and are fixed a position the return bend of arbitrary radial dimension, compare with prior art, can make the fixed return bend of different models of location clamping device with the location, can reduce the processing factory and utilize the required location clamping device's of the return bend of processing equipment processing different models quantity to can reduce the processing cost of return bend.

In summary, the present application includes at least one of the following beneficial technical effects:

1. The clamping piece is driven to move through the driving component so as to be opposite to the pipe wall of the bent pipe, the first clamping mechanism and the second clamping mechanism can both fix and position the bent pipe with any radial dimension, compared with the prior art, the positioning clamping device can be used for fixing and positioning the bent pipe with different types, the number of the positioning clamping devices required by a processing plant for processing the bent pipe with different types can be reduced, and therefore the processing cost of the bent pipe can be reduced;

2. The angle adjusting assembly is used for adjusting the mounting disc, and for the bent pipe with any radian angle, the mounting disc of the first clamping mechanism and the mounting disc of the second clamping mechanism can be arranged opposite to the end part of the bent pipe, so that the clamping pieces of the first clamping mechanism and the clamping pieces of the second clamping mechanism can reliably clamp the pipe wall of the bent pipe, the universality of the positioning clamping device is better, and the product quality of the positioning clamping device can be further improved;

3. Through making second fixture be close to or keep away from first fixture motion, can adjust the interval distance between second fixture and the first fixture, so can make the equal adaptation of elbow of location clamping device and arbitrary length dimension, can further improve location clamping device's commonality, and then can further promote location clamping device's product quality.

Drawings

FIG. 1 is a schematic view of a positioning elbow of a positioning clamping device according to an embodiment of the application;

FIG. 2 is a front view of a positioning and clamping device positioning elbow according to an embodiment of the application;

FIG. 3 is a schematic view of a positioning and clamping device according to an embodiment of the application;

FIG. 4 is a front view of a first clamping mechanism according to an embodiment of the present application;

FIG. 5 is a side view of a first clamping mechanism according to an embodiment of the present application;

FIG. 6 is a schematic view of a first clamping mechanism according to an embodiment of the present application;

FIG. 7 is a schematic view of a part of the structure of the first clamping mechanism according to an embodiment of the present application;

FIG. 8 is a front view of a mounting plate, clamping assembly and drive assembly after being mated in accordance with an embodiment of the present application;

fig. 9 is a cross-sectional view of a mounting plate, clamping assembly and drive assembly according to an embodiment of the present application after being coupled together.

Reference numerals illustrate:

100. positioning and clamping devices; 200. bending the pipe; 300. an identification device;

10. A mounting base; 110. a first guide;

20. A first clamping mechanism; 30. a second clamping mechanism;

40. A mounting plate; 401. a second fixing portion;

50. A clamping assembly; 510. a clamping member; 511. a first clamping part; 512. a second clamping portion; 513. a second driving member; 520. a first motion seat; 521. a first fixing portion; 530. a second motion seat; 531. a first rolling member; 532. a second rolling member; 540. a set of pulling members; 541. a first pulling member; 542. a second pulling member; 550. a first driving member;

60. A drive assembly; 601. a first driving motor; 602. a driving rod; 603. a transmission rod;

70. A mechanism body; 710. a second guide;

80. an angle adjustment assembly; 810. a first connection bracket; 820. a second connection bracket; 821. an angle adjusting section; 830. and a second driving motor.

Detailed Description

The present application is described in further detail below with reference to fig. 1-9.

The embodiment of the application discloses a positioning and clamping device 100 for an elbow pipe 200, wherein the positioning and clamping device 100 is used for fixing and positioning the elbow pipe 200, in some specific embodiments, the elbow pipe 200 can be an arc-shaped elbow pipe 200, and after the positioning and clamping device 100 fixes and positions the elbow pipe 200, a processing device can process the elbow pipe 200, wherein the processing device can perform welding, polishing, paint spraying and other treatments on the elbow pipe 200.

Referring to fig. 1-9, a positioning and clamping device 100 according to an embodiment of the application: mount 10, first fixture 20, and second fixture 30. The mounting base 10 is suitable for being placed on a mounting plane, and the mounting plane may be a ground or a desktop, etc., and the mounting base 10 is used for supporting the overall structure of the positioning and clamping device 100. The first clamping mechanism 20 and the second clamping mechanism 30 are installed at two sides of the mounting seat 10 at intervals, wherein the first clamping mechanism 20 and the second clamping mechanism 30 may be opposite to and spaced apart from each other along a first direction of the positioning clamping device 100, and it should be noted that, the first direction of the positioning clamping device 100 may designate a length direction of the clamping device 100, as shown in fig. 1, and the length direction of the positioning clamping device 100 may be a left-right direction in fig. 1.

The first clamping mechanism 20 is used for clamping one end of the bent pipe 200, the second clamping mechanism 30 is used for clamping the other end of the bent pipe 200, the first clamping mechanism 20 is used for clamping one end of the bent pipe 200, the first clamping mechanism 20 can fix and position one end of the bent pipe 200, the second clamping mechanism 30 is used for clamping the other end of the bent pipe 200, the second clamping mechanism 30 can fix and position the other end of the bent pipe 200, and the first clamping mechanism 20 is matched with the second clamping mechanism 30, so that the bent pipe 200 can be reliably fixed and positioned, and the bent pipe 200 can be prevented from being offset when being processed by a processing device.

Meanwhile, the first clamping mechanism 20 and the second clamping mechanism 30 comprise a mounting plate 40, a plurality of clamping assemblies 50 and a driving assembly 60, the clamping assemblies 50 are movably arranged on the mounting plate 40, the clamping assemblies 50 are sequentially arranged along the circumferential direction of the mounting plate 40, clamping positions are formed on the mounting plate 40, the clamping assemblies 50 are in transmission connection with the driving assembly 60, the clamping assemblies 50 comprise clamping pieces 510, the clamping pieces 510 are used for clamping the pipe wall of the bent pipe 200, and when the clamping assemblies 50 are driven by the driving assembly 60, the clamping pieces 510 move relative to the mounting plate 40 along the radial direction of the mounting plate 40 so that the clamping pieces 510 are oppositely arranged with the pipe wall of the bent pipe 200. When the plurality of clamping members 510 are disposed opposite to the pipe wall of the elbow pipe 200, the pipe wall of the elbow pipe 200 is clamped by the plurality of clamping members 510 at the same time, so that the elbow pipe 200 can be reliably fixed and positioned on the first clamping mechanism 20 or the second clamping mechanism 30, and the plurality of clamping members 510 of the first clamping mechanism 20 and the plurality of clamping members 510 of the second clamping mechanism 30 jointly clamp the elbow pipe 200, so that the elbow pipe 200 can be reliably fixed on the positioning clamping device 100.

It should be noted that, the driving assembly 60 of the first clamping mechanism 20 may independently drive the corresponding plurality of clamping members 510 to move, and the driving assembly 60 of the first clamping mechanism 20 may independently drive the corresponding plurality of clamping members 510 to move, so that the positioning and clamping device 100 may fix and position the elbows 200 with different radial dimensions at two ends.

Therefore, the driving assembly 60 drives the clamping piece 510 to move so as to adjust the clamping piece 510 to be opposite to the pipe wall of the bent pipe 200, and the first clamping mechanism 20 and the second clamping mechanism 30 can both fix and position the bent pipe 200 with any radial dimension, compared with the prior art, the positioning clamping device 100 can be used for fixing and positioning the bent pipes 200 with different types, and the number of the positioning clamping devices 100 required by a processing plant for processing the bent pipes 200 with different types can be reduced, so that the processing cost of the bent pipe 200 can be reduced.

Referring to fig. 1-3 and 9, in some embodiments of the present application, each clamping assembly 50 further includes a first moving seat 520 and a second moving seat 530, where the first moving seat 520 is movably disposed on the second moving seat 530, that is, the first moving seat 520 is adapted to move relative to the second moving seat 530, and the second moving seat 530 is movably disposed on the mounting plate 40, that is, the second moving seat 530 is adapted to move relative to the mounting plate 40, and the clamping member 510 is disposed on the first moving seat 520, and the clamping member 510 can be moved relative to the mounting plate 40 by moving the first moving seat 520 relative to the second moving seat 530, and/or the second moving seat 530 relative to the mounting plate 40.

The second motion seat 530 is in transmission connection with the driving component 60, when the second motion seat 530 is driven by the driving component 60, the second motion seat 530 moves along the radial direction of the mounting disc 40 relative to the mounting disc 40, and when the second motion seat 530 moves, the first motion seat 520 is driven to move along the radial direction of the mounting disc 40 relative to the mounting disc 40, wherein the motion direction between the first motion seat 520 and the second motion seat 530 is the same, the maximum motion stroke of the second motion seat 530 is not greater than the radius of the mounting disc 40, the second motion seat 530 drives the first motion seat 520 to move, the maximum motion stroke of the first motion seat 520 is positively correlated with the length dimension of the second motion seat 530, it is required to be explained that the length direction of the second motion seat 530 is the same as the radial direction of the mounting disc 40, the maximum motion stroke of the clamping member 510 is the sum of the maximum motion stroke of the first motion seat 520 and the maximum motion stroke of the second motion seat 530, the maximum motion stroke of the clamping member 510 can be effectively increased by matching the first motion seat 530 and the second motion seat 530, thereby the maximum motion stroke of the clamping member 510 can be increased, the distance between the clamping member 510 and the mounting disc 40 can be further matched with the radial dimension of the clamping member 200, and the clamping device 100 can be further positioned, and the distance between the clamping device can be further matched with the radial dimension of the clamping device 100.

Referring to fig. 4, 8 and 9, in some embodiments of the present application, the clamping assembly 50 is further provided with a pulling member set 540, the pulling member set 540 includes a first pulling member 541 and a second pulling member 542, the first moving seat 520 has a first fixing portion 521, wherein the first fixing portion 521 is disposed on a lower end surface of the first moving seat 520, and the mounting plate 40 has a second fixing portion 401, wherein the second fixing portion 401 is disposed on an upper end surface of the mounting plate 40, that is, the first fixing portion 521 is disposed opposite to the second fixing portion 401, and, in some preferred embodiments, the second fixing portion 401 is disposed near an edge of the mounting plate 40.

The first pulling member 541 and the second pulling member 542 are connected between the first fixing portion 521 and the second fixing portion 401, wherein the second moving seat 530 has a first end and a second end along the radial direction of the mounting plate 40, the second end of the second moving seat 530 is located outside the first end, the first pulling member 541 is located outside the first end of the second moving seat 530 and is in abutting engagement with the second moving seat 530, when the second moving seat 530 moves toward the inside of the mounting plate 40 along the radial direction of the mounting plate 40, the distance between the first end of the second moving seat 530 and the second fixing portion 401 increases, and the first pulling member 541 can move toward the inside of the mounting plate 40 by the first pulling member 520 through the first pulling member 520 by causing the interference between the second moving seat 530 and the first pulling member 541, and the length of the partial structure of the first pulling member 541 between the first end of the second moving seat 530 and the second fixing portion 401 increases, and the length of the partial structure of the first pulling member 541 between the first end of the second moving seat 530 and the first fixing portion 521 correspondingly decreases, when the second moving seat 530 moves toward the inside of the mounting plate 40 along the radial direction of the mounting plate 40.

And, the second pulling member 542 is located at the outer side of the second end and is in abutting engagement with the second moving seat 530, when the second moving seat 530 moves toward the outer side of the mounting plate 40 in the radial direction of the mounting plate 40, the distance between the second end portion of the second moving seat 530 and the second fixing portion 401 increases, and since the length dimension of the second pulling member 542 is fixed, the length dimension of the portion of the second pulling member 542 between the second end portion of the second moving seat 530 and the second fixing portion 401 increases by the interference between the second pulling member 542 and the second pulling member 542, and the length dimension of the portion of the second pulling member 542 between the second end portion of the second moving seat 530 and the first fixing portion 521 correspondingly decreases, the second pulling member 542 can pull the first moving seat 520 through the first fixing portion 521, so that the first moving seat 520 can move toward the outer side of the mounting plate 40 in the radial direction of the mounting plate 40. Therefore, the first pulling member 541 and the second pulling member 542 cooperate to achieve the technical effect of driving the first moving seat 520 to move in the same direction when the second moving seat 530 is driven by the driving assembly 60.

Further, referring to fig. 4, 8, 9, the first end of the first moving seat 520 may be provided with the first rolling member 531, and/or the second end of the first moving seat 520 may be provided with the second rolling member 532, that is, the first end of the first moving seat 520 is provided with the first rolling member 531, or the second end of the first moving seat 520 is provided with the second rolling member 532, or the first end of the first moving seat 520 is provided with the first rolling member 531 and the second end is provided with the second rolling member 532. In some preferred embodiments, a first end of the first motion seat 520 is provided with a first rolling member 531 and a second end of the first motion seat 520 is provided with a second rolling member 532.

The first pulling member 541 is disposed around the outer side of the first rolling member 531 and adapted to drive the first rolling member 531 to rotate around the central axis of the first rolling member 531, and the second pulling member 542 is disposed around the outer side of the second rolling member 532 and adapted to drive the second rolling member 532 to rotate around the central axis of the second rolling member 532. In some embodiments, the first pulling member 541 and the second pulling member 542 may be configured as pulling ropes, and at this time, the first rolling member 531 and the first rolling member 531 may be correspondingly configured as pulleys, and by matching the pulling ropes with the pulleys, friction force between the pulling ropes and the second motion base 530 may be reduced, so that the wear speed of the pulling ropes may be slowed down, and thus, the working reliability of the positioning and clamping device 100 may be improved.

In other embodiments, the first pulling member 541 and the second pulling member 542 may be configured as toothed chains, and at this time, the first rolling member 531 and the first rolling member 531 may be correspondingly configured as gears, and by matching the toothed chains with the gears, friction force between the toothed chains and the second moving seat 530 may be reduced, so that wear speed of the toothed chains may be slowed down, and thus, operational reliability of the positioning and clamping device 100 may be improved. Moreover, when the toothed chain is matched with the teeth of the gear, the first pulling member 541 and the second pulling member 542 can be prevented from sliding as much as possible, so that the positioning and clamping device 100 can accurately control the movement stroke of the first movement seat 520, and the clamping member 510 is beneficial to being arranged opposite to the pipe wall of the elbow pipe 200.

Further, a guiding structure is further provided between the first moving seat 520 and the second moving seat 530, and between the second moving seat 530 and the mounting plate 40, and the guiding structure is used for guiding the first moving seat 520 and the second moving seat 530, so that the first moving seat 520 can precisely move along the radial direction of the mounting plate 40 relative to the second moving seat 530, and the second moving seat 530 can precisely move along the radial direction of the mounting plate 40 relative to the mounting plate 40.

Referring to fig. 5, 6, 8, and 9, in some embodiments of the present application, a first driving member 550 may be disposed between the clamping member 510 and the first moving seat 520, where the first driving member 550 is configured to drive the clamping member 510 to move relative to the first moving seat 520 along a radial direction of the mounting plate 40. In some specific embodiments, the first driving member 550 may be a stepper motor or an air cylinder, when the shape of the pipe wall of the elbow 200 is irregular, the first driving member 550 drives the clamping member 510 to move relative to the first moving seat 520, so that the first driving member 550 can finely adjust the relative position between the clamping member 510 and the mounting seat 10, thereby ensuring that the clamping member 510 is arranged relative to the pipe wall of the elbow 200, effectively avoiding the staggered arrangement of the clamping member 510 and the pipe wall of the elbow 200, further ensuring that the positioning clamping device 100 can successfully fix the elbow 200, and improving the product quality of the positioning clamping device 100.

Further, referring to fig. 5, 6, 8 and 9, the clamping member 510 includes a first clamping portion 511, a second clamping portion 512 and a second driving member 513, the first clamping portion 511 and the second clamping portion 512 are arranged along a radial direction of the mounting disc 40, a clamping gap is formed between the first clamping portion 511 and the second clamping portion 512, the clamping gap is adapted to be disposed opposite to the tube wall, one of the first clamping portion 511 and the second clamping portion 512 is in driving connection with the second driving member 513, and the second driving member 513 is used for driving one of the first clamping portion 511 and the second clamping portion 512 correspondingly connected to move along the radial direction of the mounting disc 40 relative to the other. For example, when the first clamping portion 511 is in driving connection with the second driving member 513, the second driving member 513 is configured to drive the first clamping portion 511 to move relative to the second clamping portion 512 so as to adjust the gap size of the clamping gap. In some specific embodiments, the second drive member 513 may be a motor or a cylinder or the like. Before the clamping member 510 clamps or removes the elbow 200, the pipe wall of the elbow 200 can be more easily inserted into or removed from the clamping gap by increasing the gap size of the clamping gap, and after the pipe wall of the elbow 200 is inserted into the clamping gap, the first clamping portion 511 and the second clamping portion 512 can clamp and fix the pipe wall of the elbow 200 together by decreasing the gap size of the clamping gap, so that the elbow 200 can be prevented from being removed from between the first clamping mechanism 20 and the second clamping mechanism 30.

Referring to fig. 7-9, in some embodiments of the present application, the driving assembly 60 includes a first driving motor 601, a driving lever 602, and a plurality of transmission levers 603, an output end of the first driving motor 601 is fixedly connected with one end of the driving lever 602, the driving lever 602 is driven to rotate when the output end of the first driving motor 601 outputs power, the driving lever 602 is extended along an axial direction of the mounting plate 40, and the driving lever 602 is coaxially disposed with the mounting plate 40. The plurality of transmission rods 603 are in one-to-one correspondence with the plurality of clamping assemblies 50, one end of each transmission rod 603 is in transmission connection with the other end of each driving rod 602, the other end of each transmission rod 603 is in transmission connection with the corresponding clamping assembly 50, when the driving rods 602 are driven, the driving rods 602 can drive the transmission rods 603 to rotate, and then the transmission rods 603 can drive the clamping assemblies 50 to move along the radial direction of the mounting plate 40.

By the cooperation of the driving rod 602 and the plurality of driving rods 603, one first driving motor 601 can drive the plurality of clamping assemblies 50 to move along the radial direction of the mounting plate 40 at the same time, so that the number of driving motors required by the first clamping mechanism 20 and the second clamping mechanism 30 to drive the clamping assemblies 50 to move is reduced. The synchronous motion of a plurality of clamping assemblies 50 can also be ensured to the setting to can make the motion stroke of a plurality of clamping assemblies 50 relative mounting plate 40 all unanimous, can make the central axis of mounting plate 40 and the central axis of return bend 200 tangent as far as possible, and then can make first fixture 20 and second fixture 30 more accurate to the positioning effect of return bend 200.

Further, the transmission rod 603 may be configured as a screw, the second motion seat 530 may be provided with a nut, the nut is sleeved on the outer side of the screw, the transmission rod 603 is driven to rotate by the driving rod 602, and the transmission rod 603 may drive the nut of the second motion seat 530 to move along the axial direction of the transmission rod 603. An included angle is formed between the central axis of the driving rod 602 and the central axis of the transmission rod 603, bevel gears are arranged at the end part of the driving rod 602, which is close to the transmission rod 603, and the end part of the transmission rod 603, which is close to the driving rod 602, is matched with the bevel gears at the end part of the transmission rod 603, so that the transmission rod 603 can be driven to rotate when the driving rod 602 rotates.

In some preferred embodiments, the central axis of the driving rod 602 is perpendicular to the central axis of the driving rod 603, the driving rod 603 extends along the radial direction of the mounting disc 40, and the mounting disc 40 is correspondingly provided with a avoiding groove for avoiding and accommodating the driving rod 603, when the nut of the second moving seat 530 moves along the axial direction of the driving rod 603, the second moving seat 530 can move along the radial direction of the mounting disc 40 relative to the mounting disc 40, and further the technical effect that the clamping member 510 moves relative to the mounting disc 40 to be opposite to the pipe wall of the elbow 200 can be achieved.

Referring to fig. 3, 4, and 7, in some embodiments of the present application, the first clamping mechanism 20 and the second clamping mechanism 30 each further comprise: the mechanism body 70 and the angle adjusting assembly 80, the mechanism body 70 is mounted on the mounting base 10 and extends along the height direction of the positioning and clamping device 100, it should be noted that the height direction of the positioning and clamping device 100 may refer to the up-down direction in fig. 1, the angle adjusting assembly 80 is connected between the mounting plate 40 and the mechanism body 70, wherein one end of the mechanism body 70 is connected and matched with the mounting base 10, the angle adjusting assembly 80 is disposed near the other end of the mechanism body 70, and the mechanism body 70 is used for supporting the mounting plate 40, so that the mounting plate 40 and the mounting base 10 can be arranged at intervals, and the bent pipe 200 clamped by the mounting plate 40 and the mounting plate 40 can be prevented from contacting the mounting base 10 as much as possible. The angle adjustment assembly 80 is used to adjust the angle of the mounting plate 40, and in particular, in the embodiment depicted in FIG. 1, the angle adjustment assembly 80 is used to adjust the angle between the central axis of the mounting plate 40 and the central axis of the mechanism body 70.

Wherein, the central axis of mechanism body 70 sets up perpendicularly to mount pad 10, when first fixture 20 and second fixture 30 are fixed and the return bend 200 is located, the central axis of mounting disc 40 is tangent with the central axis of return bend 200, through utilizing angle adjustment subassembly 80 to adjust mounting disc 40, to return bend 200 that has arbitrary radian angle, mounting disc 40 of first fixture 20, mounting disc 40 of second fixture 30 all can set up with return bend 200's tip relatively, thereby can make the pipe wall of return bend 200 of a plurality of holders 510 of first fixture 20, a plurality of holders 510 of second fixture 30 all can be reliable centre gripping, and then can make the commonality of location clamping device 100 better, can further improve the product quality of location clamping device 100.

Referring to fig. 4, 6 and 7, in some embodiments of the present application, the angle adjusting assembly 80 includes a first connecting bracket 810, a second connecting bracket 820 and a second driving motor 830, the first connecting bracket 810 is fixedly connected with the mechanism body 70, the second connecting bracket 820 is fixedly connected with the mounting plate 40, and the second connecting bracket 820 is movably disposed on the first connecting bracket 810, so that when the second connecting bracket 820 moves relative to the first connecting bracket 810, the second connecting bracket 820 can drive the mounting plate 40 to rotate relative to the mechanism body 70, thereby achieving the technical effect of adjusting the included angle between the central axis of the mounting plate 40 and the central axis of the mechanism body 70.

Referring to fig. 6 and 7, in some specific embodiments, the second connecting bracket 820 extends into the first connecting bracket 810, one of the outer sidewall of the second connecting bracket 820 and the inner sidewall of the first connecting bracket 810 is provided with an arc-shaped guide groove, and the other is provided with a guide block, and the guide block extends into the guide groove, and guides the guide block through the guide groove, so that the second connecting bracket 820 moves along an arc track relative to the first connecting bracket 810, thereby enabling the second connecting bracket 820 to rotate relative to the first connecting bracket 810, and further enabling the mounting plate 40 to rotate relative to the mechanism body 70.

And, the second connection bracket 820 has an arc-shaped angle adjusting portion 821, the second driving motor 830 is mounted on the first connection bracket 810, the angle adjusting portion 821 is in transmission connection with the second driving motor 830, and the second driving motor 830 is used for driving the second connection bracket 820 to rotate around a rotation axis relative to the first connection bracket 810 so as to adjust the angle of the mounting plate 40, wherein the rotation axis intersects with and is mutually perpendicular to the central axis of the mounting plate 40. Specifically, the edge of the angle adjusting part 821 has gear teeth, the output end of the second driving motor 830 is connected with a gear, and the gear of the output end of the second driving motor 830 is matched with the gear teeth of the angle adjusting part 821, so that the second driving motor 830 can drive the gear to move along the gear teeth of the angle adjusting part 821, thereby enabling the second connection bracket 820 to move relative to the first connection bracket 810.

Referring to fig. 1-3, in some embodiments of the present application, the mount 10 may also be provided with a first guide 110, and the first clamping mechanism 20 and/or the second clamping mechanism 30 are correspondingly provided with a second guide 710, that is, the first clamping mechanism 20 is provided with the second guide 710, or the second clamping mechanism 30 is provided with the second guide 710, or both the first clamping mechanism 20 and the second clamping mechanism 30 are provided with the second guide 710. The first guide 110 is in guiding engagement with the second guide 710 to bring the second clamping mechanism 30 and the first clamping mechanism 20 closer to or farther away from each other.

Specifically, when the first clamping mechanism 20 is provided with the second guide 710, by guiding the first clamping mechanism 20 to cooperate with the mounting base 10, the technical effect of moving the first clamping mechanism 20 closer to or farther from the second clamping mechanism 30 can be achieved when the first clamping mechanism 20 is driven to move. Or when the second clamping mechanism 30 is provided with the second guide 710, the second clamping mechanism 30 is in guide fit with the mounting seat 10, so that the technical effect of moving the first clamping mechanism 20 close to or away from the second clamping mechanism 30 can be achieved when the second clamping mechanism 30 is driven to move.

By moving the second clamping mechanism 30 closer to or farther from the first clamping mechanism 20, the spacing distance between the second clamping mechanism 30 and the first clamping mechanism 20 can be adjusted, so that the positioning clamping device 100 is adapted to the bent pipe 200 with any length, the universality of the positioning clamping device 100 can be further improved, and the product quality of the positioning clamping device 100 can be further improved.

Further, referring to fig. 1-3, one of the first guide 110 and the second guide 710 is configured as a guide rail and the other is configured as a guide block, for example, the first guide 110 is configured as a guide rail and the second guide 710 is configured as a guide block, or the second guide 710 is configured as a guide rail and the first guide 110 is configured as a guide block. The first clamping mechanism 20 is spaced apart from the second clamping mechanism 30 along a first direction of the positioning clamping device 100, which in the embodiment shown in fig. 1 may be the left-right direction in fig. 1.

And, the guide rail is extended in a first direction (i.e., a left-right direction in fig. 1) of the positioning and clamping device 100, and the second clamping mechanism 30 is adapted to move relative to the first clamping mechanism 20 in the first direction of the positioning and clamping device 100. The bent pipe 200 may be placed between the first clamping mechanism 20 and the second clamping mechanism 30 along the first direction of the positioning clamping device, at this time, the bent pipe 200 is extended along the first direction of the clamping device, the moving direction of the second clamping mechanism 30 is consistent with the placing direction of the bent pipe 200, and by driving the second clamping mechanism 30 to move along the guide rail relative to the first clamping mechanism 20 so that the second clamping mechanism 30 is close to the end of the bent pipe 200, the second clamping mechanism 30 may clamp the side wall of the bent pipe 200.

Further, when the first clamping mechanism 20 is movable relative to the mounting base 10, the mounting base 10 or the first clamping mechanism 20 is provided with a driving motor, and the driving motor can drive the first clamping mechanism 20 to move along the first guide 110 relative to the mounting base 10. Specifically, when the mounting seat 10 is provided with a driving motor, a screw-nut mechanism is further connected between the mounting seat 10 and the first clamping mechanism 20, wherein the mounting seat 10 is connected with a screw, the mounting seat 10 is connected with a nut, the screw is driven to rotate by the driving motor, the screw is matched with the nut, and the screw-nut mechanism can drive the first clamping mechanism 20 to move relative to the mounting seat 10. When the first clamping mechanism 20 is provided with a driving motor, a rack-and-pinion mechanism is further connected between the mounting seat 10 and the first clamping mechanism 20, wherein the mounting seat 10 is connected with a rack, the first clamping mechanism 20 is connected with a gear, the gear is driven to rotate by the driving motor, the rack is matched with the gear, and the rack-and-pinion mechanism can drive the first clamping mechanism 20 to move relative to the mounting seat 10.

Similarly, when the second clamping mechanism 30 is movable relative to the mounting base 10, the mounting base 10 or the second clamping mechanism 30 is provided with a driving motor, and the driving motor can drive the second clamping mechanism 30 to move along the first guide member 110 relative to the mounting base 10. Specifically, when the mounting seat 10 is provided with a driving motor, a screw-nut mechanism is further connected between the mounting seat 10 and the second clamping mechanism 30, wherein the mounting seat 10 is connected with a screw, the mounting seat 10 is connected with a nut, the screw is driven to rotate by the driving motor, the screw is matched with the nut, and the screw-nut mechanism can drive the second clamping mechanism 30 to move relative to the mounting seat 10. When the second clamping mechanism 30 is provided with a driving motor, a rack-and-pinion mechanism is further connected between the mounting seat 10 and the second clamping mechanism 30, wherein the mounting seat 10 is connected with a rack, the second clamping mechanism 30 is connected with a gear, the gear is driven to rotate by the driving motor, the rack is matched with the gear, and the rack-and-pinion mechanism can drive the second clamping mechanism 30 to move relative to the mounting seat 10.

According to some embodiments of the present application, the positioning and clamping device 100 may further include a controller communicatively connected to each of the first clamping mechanism 20 and the second clamping mechanism 30, the controller being configured to control the first driving motor 601 to drive the clamping assembly 50 to move relative to the mounting plate 40 along the radial direction of the mounting plate 40, so that the clamping member 510 is disposed opposite the wall of the elbow pipe 200. The controller is further configured to control the first driving member 550 to drive the clamping member 510 to move along the radial direction of the mounting plate 40 relative to the first moving seat 520, so that the clamping member 510 is finely tuned to be disposed opposite to the wall of the elbow pipe 200. The controller is further configured to control the second driving member 513 to drive the clamping member 510 to clamp the wall of the elbow 200. The controller is further configured to drive the second connecting bracket 820 to move relative to the first connecting bracket 810 by the second driving motor 830 to adjust an included angle between the central axis of the mounting plate 40 and the central axis of the mechanism body 70. The controller is also used to control the movement of the first clamping mechanism 20 toward or away from the second clamping mechanism 30.

Therefore, by arranging the controller in the positioning and clamping device 100, the controller can realize the technical effects of automatically fixing and positioning the bent pipe 200 by the positioning and clamping device 100, so that the efficiency of fixing and positioning the bent pipe 200 by the positioning and clamping device 100 can be improved, and the processing efficiency of the bent pipe 200 can be improved.

According to some specific embodiments of the present application, the first clamping mechanism 20 and the second clamping mechanism 30 each include a turnover motor, the turnover motor is connected between the mechanism body 70 and the angle adjusting component 80, and the turnover motor is used for driving the angle adjusting component 80 to drive the mounting disc 40 and the clamping component 50 to rotate, so that the clamping component 50 drives the elbow 200 to turn, so that the processing position of the elbow 200 is always opposite to the processing device, and the processing device can process the elbow 200 conveniently.

Based on this, the application further proposes a processing apparatus for the bent pipe 200, which includes: positioning the clamping device 100 and the machining device. The positioning and clamping device 100 is used for clamping and fixing the bent pipe 200, the positioning and clamping device 100 is the positioning and clamping device 100 described in the above embodiments, the processing device is used for processing the bent pipe 200 which is clamped and fixed, in some embodiments, the processing device may be a welding device, a paint spraying device or a polishing device, etc., by adjusting the type of the processing device, the processing factory may process the bent pipe 200 according to the processing requirement, in some specific embodiments, the processing device may be multiple, and the multiple processing devices may have different functions respectively, so that the processing device may process the bent pipe 200 in multiple modes at the same time.

According to the processing equipment provided by the embodiment of the application, the processing equipment is provided with the positioning and clamping device 100, the driving component 60 of the positioning and clamping device 100 drives the clamping piece 510 to move so as to adjust the clamping piece 510 to be opposite to the pipe wall of the bent pipe 200, and the first clamping mechanism 20 and the second clamping mechanism 30 of the positioning and clamping device 100 can both fix and position the bent pipe 200 with any radial dimension, so that compared with the prior art, the positioning and clamping device 100 can be used for fixing and positioning the bent pipes 200 with different types, the number of the positioning and clamping devices 100 required by processing the bent pipes 200 with different types in a processing plant can be reduced, and the processing cost of the bent pipe 200 can be reduced.

According to some specific embodiments of the present application, the recognition device 300 is further installed on the installation seat 10 of the positioning and clamping device 100, and the recognition device 300 is used for shooting and recognizing the processing position of the bent pipe 200, so that the processing device can process the bent pipe 200 more accurately, and further the product quality of the processing equipment can be improved.

The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.

Claims (10)

1. A positioning and clamping device for an elbow, comprising:

a mounting base (10);

A first clamping mechanism (20) and a second clamping mechanism (30), wherein the first clamping mechanism (20) and the second clamping mechanism (30) are installed on two sides of the installation seat (10) at intervals, the first clamping mechanism (20) is used for clamping one end of the bent pipe (200), and the second clamping mechanism (30) is used for clamping the other end of the bent pipe (200);

The first clamping mechanism (20) and the second clamping mechanism (30) comprise a mounting disc (40), a plurality of clamping assemblies (50) and a driving assembly (60), the clamping assemblies (50) are movably arranged on the mounting disc (40), the clamping assemblies (50) are sequentially distributed along the circumferential direction of the mounting disc (40), clamping positions are formed on the mounting disc (40), and the clamping assemblies (50) are in transmission connection with the driving assembly (60); the clamping assembly (50) comprises a clamping piece (510), and when the clamping assembly (50) is driven by the driving assembly (60), the clamping piece (510) moves relative to the mounting disc (40) along the radial direction of the mounting disc (40) and clamps the pipe wall of the bent pipe (200).

2. The positioning and clamping device for bent pipes according to claim 1, wherein each clamping assembly (50) comprises a clamping piece (510), a first moving seat (520) and a second moving seat (530), the first moving seat (520) is movably arranged on the second moving seat (530), the second moving seat (530) is movably arranged on the mounting plate (40), the clamping piece (510) is arranged on the first moving seat (520), the second moving seat (530) is in transmission connection with the driving assembly (60), the second moving seat (530) moves relative to the mounting plate (40) along the radial direction of the mounting plate (40) when driven by the driving assembly (60), and the second moving seat (530) drives the first moving seat (520) to move relative to the mounting plate (40) along the radial direction of the mounting plate (40), wherein the first moving seat (520) and the second moving seat (530) move in the same direction.

3. A positioning and clamping device for elbows as in claim 2, wherein the clamping assembly (50) is further provided with a set of pulling members (540), the set of pulling members (540) comprising a first pulling member (541) and a second pulling member (542), the first moving seat (520) having a first fixed portion (521), the mounting plate (40) having a second fixed portion (401), the first pulling member (541) and the second pulling member (542) both being connected between the first fixed portion (521) and the second fixed portion (401), wherein in a radial direction of the mounting plate (40), the second moving seat (530) has a first end and a second end, the second end being located outside the first end, the first pulling member (541) being located outside the first end and in abutment with the second moving seat (530), the second pulling member (542) being located outside the second end and in abutment with the second moving seat (530).

4. A positioning and clamping device for bent pipes, according to claim 3, characterized in that said first end is provided with a first rolling member (531), said first pulling member (541) being arranged around a central axis which is external to said first rolling member (531) and adapted to drive said first rolling member (531) to rotate around said first rolling member (531), and/or,

The second end is provided with a second rolling element (532), and the second traction element (542) is wound on the outer side of the second rolling element (532) and is suitable for driving the second rolling element (532) to rotate around the central axis of the second rolling element (532).

5. The positioning and clamping device for the bent pipe according to claim 2, wherein a first driving member (550) is arranged between the clamping member (510) and the first moving seat (520), and the first driving member (550) is used for driving the clamping member (510) to move relative to the first moving seat (520) along the radial direction of the mounting disc (40);

The clamping piece (510) comprises a first clamping part (511), a second clamping part (512) and a second driving piece (513), wherein the first clamping part (511) and the second clamping part (512) are arranged along the radial direction of the mounting disc (40), a clamping gap is formed between the first clamping part (511) and the second clamping part (512), one of the first clamping part (511) and the second clamping part (512) is in transmission connection with the second driving piece (513), and the second driving piece (513) is used for driving one of the first clamping part (511) and the second clamping part (512) which is correspondingly connected to move along the radial direction of the mounting disc (40) relative to the other.

6. The positioning and clamping device for bent pipes according to any one of claims 1-5, wherein the driving assembly (60) comprises a first driving motor (601), a driving rod (602) and a plurality of transmission rods (603), an output end of the first driving motor (601) is fixedly connected with one end of the driving rod (602), the transmission rods (603) are in one-to-one correspondence with the clamping assemblies (50), one end of each transmission rod (603) is in transmission connection with the other end of the driving rod (602), and the other end of each transmission rod is in transmission connection with the corresponding clamping assembly (50).

7. The positioning and clamping device for elbows of claim 1, wherein the first clamping mechanism (20) and the second clamping mechanism (30) each further comprise: the mechanism comprises a mechanism body (70) and an angle adjusting assembly (80), wherein the mechanism body (70) is installed on the installation seat (10) and extends along the height direction of the positioning clamping device (100), the angle adjusting assembly (80) is connected between the installation disc (40) and the mechanism body (70), and the angle adjusting assembly (80) is used for adjusting the angle of the installation disc (40).

8. The positioning and clamping device for bent pipes according to claim 7, wherein the angle adjusting assembly (80) comprises a first connecting bracket (810), a second connecting bracket (820) and a second driving motor (830), the first connecting bracket (810) is fixedly connected with the mechanism body (70), the second connecting bracket (820) is fixedly connected with the mounting plate (40), the second connecting bracket (820) is movably arranged on the first connecting bracket (810), the second connecting bracket (820) is provided with an arc-shaped angle adjusting part (821), the second driving motor (830) is installed on the first connecting bracket (810), the angle adjusting part (821) is in transmission connection with the second driving motor (830), and the second driving motor (830) is used for driving the second connecting bracket (820) to rotate relative to the first connecting bracket (810) around a rotation axis so as to adjust the angle of the mounting plate (40), and the rotation axis intersects with the central axis of the mounting plate (40) and is perpendicular to each other.

9. Positioning and clamping device for bent pipes according to claim 1, characterized in that the mounting base (10) is provided with a first guide (110), the first clamping mechanism (20) and/or the second clamping mechanism (30) is provided with a second guide (710), and the first guide (110) is in guiding engagement with the second guide (710) so that the second clamping mechanism (30) and the first clamping mechanism (20) are moved towards or away from each other.

10. A processing apparatus for bending tubing, comprising:

-a positioning and clamping device (100), the positioning and clamping device (100) being used for clamping and fixing the elbow (200), the positioning and clamping device (100) being a positioning and clamping device for an elbow according to any one of claims 1-9;

And a processing device for processing the bent pipe (200) which is clamped and fixed.