Automatic rotary welding device for socket and spigot joint of plastic pipeline

Abstract

The utility model discloses an automatic rotary welding device for a socket and spigot joint of a plastic pipeline, which comprises a base, a first distance adjusting assembly, a moving plate, a clamping assembly, a driving assembly, a vertical plate, a second distance adjusting assembly and a pressing assembly, a moving groove is arranged on the base, the first distance adjusting assembly is arranged in the moving groove, and the clamping assembly is arranged on the vertical plate. Moving plates are installed on the two sides of the first distance adjusting assembly, the moving plates are located above the base, the clamping assembly is installed on the moving plates and used for clamping and fixing a plastic pipeline, the driving assembly is installed on the moving plates and located on one side of the clamping assembly, and vertical plates are installed on the two sides of the base in the length direction of the base; the second distance adjusting assembly is rotationally installed on the side wall of the vertical plate, and pressing assemblies are installed on the two sides of the second distance adjusting assembly. According to the utility model, the plastic pipeline is automatically rotated, so that the socket and spigot joint is driven to synchronously rotate, the consistency of welding seams is ensured, the quality of the plastic pipeline is improved, and the working efficiency is improved.

Description

Technical Field

[0001] This utility model relates to the field of welding equipment technology, specifically to an automatic rotary welding device for plastic pipe socket joints. Background Technology

[0002] Currently, after the socket joint is assembled with the end of the plastic pipe, the connection needs to be welded. This is often done manually by rotating the plastic pipe while welding the connection, which increases the labor intensity of the operators (especially when welding the connection between large-diameter plastic pipes and socket joints). Moreover, it is difficult to ensure the consistency of the weld, which reduces the quality of the plastic pipe and results in low work efficiency. Furthermore, at the beginning of welding, the unwelded part of the socket joint may come off the plastic pipe during rotation, damaging the welded part and failing to guarantee the stability of the socket joint, thus reducing the quality of the plastic pipe. Utility Model Content

[0003] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide an automatic rotary welding device for plastic pipe socket joints.

[0004] To achieve the above objectives, this utility model adopts the following technical solution:

[0005] An automatic rotary welding device for plastic pipe socket joints includes:

[0006] A base, wherein a movable groove is provided on the base;

[0007] A first distance adjustment component is installed in a movable slot;

[0008] Movable plates are mounted on both sides of the first distance adjustment component, and the movable plates are located above the base.

[0009] A clamping assembly, mounted on a movable plate, is used to clamp and fix the plastic pipe.

[0010] A drive assembly, mounted on a movable plate on one side of the clamping assembly, is used to drive the clamping assembly to rotate;

[0011] The base has uprights mounted on both sides along its length.

[0012] The second distance adjustment component is rotatably mounted on the side wall of the upright plate;

[0013] A clamping assembly is provided on both sides of the second distance adjustment assembly for clamping the two ends of the socket joint.

[0014] Furthermore, the first distance adjustment component includes a first bidirectional threaded rod rotatably mounted in a movable slot. One end of the first bidirectional threaded rod passes through the base and is connected to the output end of the first motor. First threaded blocks are threadedly connected to both ends of the first bidirectional threaded rod, and a movable plate is mounted on the top of the first threaded blocks.

[0015] Furthermore, the clamping assembly includes an arc-shaped clamp rotatably mounted on a movable plate. A plurality of first telescopic members are installed on the inner wall of the arc-shaped clamp. A clamping plate is connected to the telescopic end of the first telescopic member away from the arc-shaped clamp. Guide rail grooves are formed on both opposite sides of the arc-shaped clamp along its circumference. The two guide rail grooves of the arc-shaped clamp are respectively connected to the movable plate through a support unit. An arc-shaped toothed plate is installed on the outer surface of the arc-shaped clamp, and the arc-shaped toothed plate is connected to the drive assembly.

[0016] Furthermore, the support unit includes a plurality of evenly arranged support wheels, the support wheels are disposed in guide rail grooves, each support wheel is connected to a support plate, and the plurality of support plates are mounted on a movable plate.

[0017] Furthermore, the drive assembly includes a first transmission gear and a second transmission gear symmetrically arranged on both sides of the lower part of the arc-shaped clamp. Both the first transmission gear and the second transmission gear can mesh with the arc-shaped toothed plate. A transmission shaft is mounted on the first transmission gear, and the other end of the transmission shaft is connected to a gearbox. A third motor is mounted on the gearbox. A first synchronous gear is mounted on the transmission shaft, and a connecting shaft is mounted on the second transmission gear. A second synchronous gear is connected to the other end of the connecting shaft. The first synchronous gear and the second synchronous gear are connected by a chain.

[0018] Furthermore, the second distance adjustment assembly includes a mounting bracket rotatably mounted on the side wall of the upright plate, a second bidirectional threaded rod rotatably mounted inside the mounting bracket, one end of the second bidirectional threaded rod passing through the mounting bracket and connected to the output end of the second motor, and second threaded blocks threadedly connected to both ends of the second bidirectional threaded rod, with clamping assemblies mounted on the second threaded blocks.

[0019] Furthermore, the clamping assembly includes a second telescopic member horizontally mounted on the second threaded block, and a pressure plate is connected to the telescopic end of the second telescopic member away from the second threaded block.

[0020] Furthermore, the arc-shaped clamp is U-shaped, and the shape of the arc-shaped toothed plate is consistent with the outer surface of the arc-shaped clamp.

[0021] Furthermore, a first guide rod is also installed in the movable groove, which is parallel to the first bidirectional threaded rod. The first guide rod passes through the first threaded block and is slidably engaged with the first threaded block.

[0022] Furthermore, a second guide rod is also installed inside the mounting bracket, which is parallel to the second bidirectional threaded rod. The second guide rod passes through the second threaded block, and the second guide rod and the second threaded block are in sliding engagement.

[0023] Compared with the prior art, this utility model provides an automatic rotary welding device for plastic pipe socket joints, which has the following advantages:

[0024] 1. This utility model uses a first distance adjustment component to adjust the moving plate according to the length of the plastic pipe, thereby adjusting the position of the clamping component to facilitate placing the plastic pipe on the clamping component and clamping and fixing the plastic pipe. A second distance adjustment component adjusts the position of the pressing component according to the diameter of the socket joint, pressing the socket joint onto the plastic pipe to facilitate subsequent welding rotation. A drive component rotates the clamping component, thereby rotating the plastic pipe, and simultaneously rotating the socket joint, pressing component, and second distance adjustment component. This utility model automatically rotates the plastic pipe, thereby driving the socket joint to rotate synchronously, ensuring weld consistency, improving the quality of the plastic pipe, and increasing work efficiency.

[0025] 2. This utility model uses a clamping assembly to press the socket joint onto the plastic pipe, ensuring the stability of the socket joint during rotation and improving the quality of the plastic pipe. Attached Figure Description

[0026] Figure 1 This is a front view cross-sectional structural diagram of the present invention;

[0027] Figure 2 This is a front view structural diagram of the present invention;

[0028] Figure 3 This is a schematic diagram of the left-side cross-sectional structure of this utility model;

[0029] Figure 4 This is a top view of the structure of this utility model;

[0030] Figure 5 yes Figure 1 Enlarged structural diagram at point A;

[0031] Figure 6 yes Figure 4 A magnified structural diagram at point B in the middle.

[0032] In the diagram, the markings are: 1. Base; 2. First distance adjustment assembly; 21. First bidirectional threaded rod; 22. First motor; 23. First threaded block; 24. First guide rod; 3. Moving plate; 4. Clamping assembly; 41. Arc-shaped clamp; 42. Arc-shaped toothed plate; 43. First telescopic component; 44. Clamping plate; 45. Guide rail groove; 5. Drive assembly; 51. Third motor; 52. Gearbox; 53. Drive shaft; 54. First transmission gear; 55. First synchronous gear; 56. Second synchronous gear. 57. Gear; 58. Chain; 59. Connecting shaft; 50. Second transmission gear; 6. Vertical plate; 71. Second distance adjustment assembly; 72. Mounting bracket; 73. Second bidirectional threaded rod; 74. Second threaded block; 75. First guide rod; 8. Pressing assembly; 86. Second telescopic component; 87. Pressure plate; 9. Moving groove; 10. Support wheel; 11. Support plate; 12. Fixing plate; 13. Support leg; 14. Controller; 15. Plastic pipe; 16. Socket joint. Detailed Implementation

[0033] The present invention will be further described below with reference to the accompanying drawings and embodiments:

[0034] All standard parts used in this utility model can be purchased from the market, and irregular parts can be customized according to the description and drawings. The specific connection methods of each part adopt conventional methods such as bolts, rivets, and welding that are mature in the prior art. The machinery, parts and equipment adopt conventional models in the prior art, and the circuit connection adopts conventional connection methods in the prior art, which will not be described in detail here.

[0035] It should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0036] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0037] In the description of this utility model, "multiple" means two or more, unless otherwise explicitly specified.

[0038] This utility model embodiment provides an automatic rotary welding device for plastic pipe socket joints, referring to... Figures 1 to 6 It includes: a base 1, a first distance adjustment component 2, a moving plate 3, a clamping component 4, a driving component 5, a vertical plate 6, a second distance adjustment component 7, and a pressing component 8;

[0039] The base 1 has a movable groove 9, the first distance adjustment component 2 is installed in the movable groove 9, and movable plates 3 are installed on both sides of the first distance adjustment component 2. The movable plates 3 are located above the base 1. The clamping component 4 is installed on the movable plates 3 for clamping and fixing the plastic pipe 15. The driving component 5 is installed on the movable plates 3 on one side of the clamping component 4 for driving the clamping component 4 to rotate. The base 1 has upright plates 6 installed on both sides along its length direction. The second distance adjustment component 7 is rotatably installed on the side wall of the upright plate 6. The second distance adjustment component 7 has pressing components 8 installed on both sides for pressing the two ends of the socket joint 16.

[0040] Specifically, the moving groove 9 is set along the length of the base 1; the moving plate 3 is adjusted according to the length of the plastic pipe 15 by the first distance adjustment component 2, thereby adjusting the position of the clamping component 4 to facilitate the placement of the plastic pipe 15 on the clamping component 4; the bottom surface of the moving plate 3 is located above the base 1; the second distance adjustment component 7 is rotatably mounted on the side wall of the upright plate 6 near the clamping component 4; the position of the pressing component 8 is adjusted according to the diameter of the socket joint 16 by the second distance adjustment component 7; the pressing component 8 presses the socket joint 16 onto the plastic pipe 15, ensuring the stability of the socket joint 16 during rotation and improving the quality of the plastic pipe 15.

[0041] Support legs 13 are installed on both sides of the bottom of the base 1 to support the base 1. Preferably, there are 4 support legs 13, which are arranged in a rectangular array at the four corners of the bottom of the base 1.

[0042] Reference Figure 1 In this embodiment, the first distance adjustment component 2 includes a first bidirectional threaded rod 21 rotatably mounted in the movable slot 9. One end of the first bidirectional threaded rod 21 passes through the base 1 and is connected to the output end of the first motor 22. The two ends of the first bidirectional threaded rod 21 are threaded with first threaded blocks 23, and a movable plate 3 is mounted on the top of the first threaded blocks 23.

[0043] Specifically, the first bidirectional threaded rod 21 is rotatably connected to the base 1; the top surface of the first threaded block 23 may be slightly higher than the top surface of the base 1.

[0044] Start the first motor 22, which drives the first bidirectional threaded rod 21 to rotate, thereby causing the first threaded blocks 23 to move closer or further away from each other, and in turn causing the moving plates 3 to move closer or further away from each other.

[0045] In this embodiment, the movable groove 9 is also equipped with a first guide rod 24 that is parallel to the first bidirectional threaded rod 21. The first guide rod 24 passes through the first threaded block 23 and slides with the first threaded block 23.

[0046] Specifically, by setting the first guide rod 24, the stability of the movement of the first threaded block 23 is improved.

[0047] Reference Figures 1 to 4 In this embodiment, the clamping assembly 4 includes an arc-shaped clamp 41 rotatably mounted on the movable plate 3. A plurality of first telescopic members 43 are installed on the inner wall of the arc-shaped clamp 41. A clamping plate 44 is connected to the telescopic end of the first telescopic member 43 away from the arc-shaped clamp 41. Guide rail grooves 45 are provided on both opposite sides of the arc-shaped clamp 41 along its circumference. The two guide rail grooves 45 of the arc-shaped clamp 41 are respectively connected to the movable plate 3 through a support unit. An arc-shaped toothed plate 42 is installed on the outer surface of the arc-shaped clamp 41. The arc-shaped toothed plate 42 is connected to the driving assembly 5.

[0048] Specifically, the clamping assembly 4 has two sets; the number of first telescopic members 43 can be three, distributed on the bottom and both sides of the inner wall of the arc-shaped clamp 41; the first telescopic member 43 can be an electric push rod; by adjusting the first telescopic member 43, the clamping plate 44 is tightly clamped to the plastic pipe 15; the clamping plate 44 is arc-shaped, and the telescopic end of the clamping plate 44 is detachably connected to the telescopic end of the first telescopic member 43. The clamping plate 44 has different arc angles. Different clamping plates 44 are selected according to different sizes of plastic pipes 15 to ensure that the clamping plate 44 is tightly clamped to the plastic pipe 15; the surface of the clamping plate 44 is provided with a rubber pad, which improves the clamping force on the plastic pipe 15; the driving assembly 5 drives the arc-shaped toothed plate 42, thereby driving the arc-shaped clamp 41 to rotate, and then driving the plastic pipe 15 to rotate. During the rotation of the arc-shaped clamp 41, the support unit supports the arc-shaped clamp 41.

[0049] Among them, reference Figure 3 In this embodiment, the arc-shaped clamp 41 is U-shaped, and the shape of the arc-shaped toothed plate 42 is consistent with the outer surface of the arc-shaped clamp 41.

[0050] Specifically, both the guide rail groove 45 and the arc-shaped toothed plate 42 are U-shaped, which makes it convenient to place the plastic pipe 15 directly on the clamping plate 44 at the bottom of the inner wall of the arc-shaped clamp 41 during installation.

[0051] Reference Figure 1 and Figure 3 In this embodiment, the support unit includes a plurality of evenly arranged support wheels 10, the support wheels 10 are disposed in the guide rail groove 45, each support wheel 10 is connected to a support plate 11, and the plurality of support plates 11 are mounted on the movable plate 3.

[0052] Specifically, each guide rail groove 45 is matched with at least three support wheels 10, that is, each arc-shaped clamp 41 is connected with at least six support wheels 10; three support wheels 10 are set in the lower half of the arc-shaped clamp 41, and one of the support wheels 10 is set directly below the arc-shaped clamp 41; a triangle is formed by the support plate 11, and the support plate 11 plays a supporting and stabilizing role during the rotation of the arc-shaped clamp 41.

[0053] Reference Figures 1 to 4 and Figure 6 In this embodiment, the drive assembly 5 includes a first transmission gear 54 and a second transmission gear 59 symmetrically arranged on both sides of the lower part of the arc-shaped clamp 41. Both the first transmission gear 54 and the second transmission gear 59 can mesh with the arc-shaped toothed plate 42. A transmission shaft 53 is mounted on the first transmission gear 54. The other end of the transmission shaft 53 is connected to the gearbox 52. A third motor 51 is mounted on the gearbox 52. A first synchronous gear 55 is mounted on the transmission shaft 53. A connecting shaft 58 is mounted on the second transmission gear 59. A second synchronous gear 56 is connected to the other end of the connecting shaft 58. The first synchronous gear 55 and the second synchronous gear 56 are connected by a chain 57.

[0054] Specifically, the drive assembly 5 has two sets; the first transmission gear 54 and the second transmission gear 59 mesh with the arc-shaped toothed plate 42 to drive the arc-shaped clamp 41 to rotate; the transmission shaft 53 and the connecting shaft 58 are respectively rotatably mounted on two fixed plates 12, which are mounted on the moving plate 3 to support the transmission shaft 53 and the connecting shaft 58; the first transmission gear 54 and the first synchronous gear 55 are located on both sides of the fixed plate 12; the second transmission gear 59 and the second synchronous gear 56 are located on both sides of the fixed plate 12; the output shaft of the third motor 51 is connected to the input end of the gearbox 52, and the output end of the gearbox 52 is connected to the transmission shaft 53; the speed of the third motor 51 can be adjusted by the gearbox 52 to keep the speed of the two third motors 51 consistent, thereby ensuring that the rotation speed of the arc-shaped clamp 41 is consistent, so that the two ends of the plastic pipe 15 rotate synchronously.

[0055] Start the third motor 51, which drives the transmission shaft 53 to rotate, and synchronously drives the first synchronous gear 55 and the first transmission gear 54 to rotate. The first synchronous gear 55 drives the second synchronous gear 56 to rotate through the chain 57. The second synchronous gear 56 drives the second transmission gear 59 to rotate through the connecting shaft 58. The first transmission gear 54 and the second transmission gear 59 drive the arc-shaped toothed plate 42 to rotate, thereby driving the arc-shaped clamp 41 to rotate.

[0056] Both the arc-shaped clamp 41 and the arc-shaped toothed plate 42 are U-shaped. That is, the arc-shaped clamp 41 has an opening for placing the plastic pipe 15. The distance between the first transmission gear 54 and the second transmission gear 59 is greater than the maximum horizontal distance of the opening. That is, when one of the first transmission gear 54 and the second transmission gear 59 is located at the opening of the arc-shaped clamp 41, the other can cooperate with the arc-shaped toothed plate 42 to realize the rotation of the arc-shaped clamp 41.

[0057] Reference Figure 1 and Figure 5 In this embodiment, the second distance adjustment component 7 includes a mounting bracket 71 rotatably mounted on the side wall of the upright plate 6. A second bidirectional threaded rod 72 is rotatably mounted inside the mounting bracket 71. One end of the second bidirectional threaded rod 72 passes through the mounting bracket 71 and is connected to the output end of the second motor 73. A second threaded block 74 is threadedly connected to both ends of the second bidirectional threaded rod 72. A clamping component 8 is mounted on the second threaded block 74.

[0058] Specifically, a mounting bracket 71 is rotatably mounted on the side wall of the upright plate 6 near the clamping assembly 4; the rotation center of the mounting bracket 71 is consistent with the center of the arc-shaped clamp 41, so as to ensure that when the plastic pipe 15 rotates, the mounting bracket 71 will eventually rotate synchronously and will not deviate; the mounting bracket 71 is a cuboid with an opening on one side; the center of symmetry of the thread on the second bidirectional threaded rod 72 is consistent with the rotation center of the mounting bracket 71.

[0059] Start the second motor 73, which drives the second bidirectional threaded rod 72 to rotate, thereby causing the second threaded blocks 74 to move closer or further away from each other, and in turn causing the clamping components 8 to move closer or further away from each other.

[0060] Among them, reference Figure 1 and Figure 5 In this embodiment, a second guide rod 75 is also installed in the mounting bracket 71, which is parallel to the second bidirectional threaded rod 72. The second guide rod 75 passes through the second threaded block 74, and the second guide rod 75 and the second threaded block 74 are in sliding engagement.

[0061] Specifically, by setting the second guide rod 75, the stability of the movement of the second threaded block 74 is improved.

[0062] The first motor 22, the second motor 73, and the third motor 51 can all be servo motors.

[0063] Reference Figure 1 , Figure 2 , Figure 4 and Figure 5 In this embodiment, the clamping assembly 8 includes a second telescopic member 81 horizontally mounted on the second threaded block 74, and a pressure plate 82 is connected to the telescopic end of the second telescopic member 81 away from the second threaded block 74.

[0064] Specifically, a second distance adjustment component 7 is provided with two sets of clamping components 8; the second telescopic component 81 can be an electric push rod; by adjusting the second telescopic component 81, the pressure plate 82 is tightly pressed against both ends of the socket joint 16; the pressure plate 82 is a flat plate, and a rubber pad can be provided on one end of the pressure plate 82 near the clamping component 4 to increase the clamping force on both ends of the socket joint 16.

[0065] Reference Figure 2 In this embodiment, a controller 14 is also provided on one side of the base 1.

[0066] Specifically, the controller 14 controls the gearbox 52, the first motor 22, the second motor 73, the third motor 51, the first telescopic component 43, and the second telescopic component 81.

[0067] In this embodiment, the gearbox 52, the first motor 22, the second motor 73, the third motor 51, the first telescopic component 43, and the second telescopic component 81 are all existing equipment, and will not be described in detail here.

[0068] Working principle: In use, the opening of the arc-shaped clamp 41 faces upward. Based on the length of the plastic pipe 15, the first motor 22 is started, driving the first bidirectional threaded rod 21 to rotate. This causes the first threaded blocks 23 to move closer or further apart, which in turn causes the moving plates 3 to move closer or further apart, thus adjusting the position of the arc-shaped clamp 41. After the position is adjusted, the plastic pipe 15 is placed on the clamping plate 44 at the bottom of the inner wall of the arc-shaped clamp 41 using a hanger. The clamping plate 44 is then adjusted by the first telescopic member 43 to tightly clamp the plastic pipe 15, ensuring that the axis of the plastic pipe 15 is aligned with the center of the arc-shaped clamp 41. Then, two socket joints 16 are installed at both ends of the plastic pipe 15. Based on the diameter of the socket joints 16, the second motor 73 is started, driving the second bidirectional threaded rod 72 to rotate. This causes the second threaded blocks 74 to move closer or further apart, which in turn causes the pressing assembly 8 to move closer or further apart. After adjusting the position (approaching or moving away), the pressure plate 82 is tightly pressed against both ends of the socket joint 16 by adjusting the second telescopic component 81. Then, the robot drives the welding head to weld the connection between the socket joint 16 and the plastic pipe 15. During welding, the third motor 51 is started, which drives the transmission shaft 53 to rotate, synchronously driving the first synchronous gear 55 and the first transmission gear 54 to rotate. The first synchronous gear 55 drives the second synchronous gear 56 to rotate through the chain 57. The second synchronous gear 56 drives the second transmission gear 59 to rotate through the connecting shaft 58. The first transmission gear 54 and the second transmission gear 59 drive the arc-shaped toothed plate 42 to rotate, thereby driving the arc-shaped clamp 41 to rotate, which in turn drives the plastic pipe 15 to rotate. This synchronously drives the socket joint 16, the pressing component 8, and the second distance adjustment component 7 to rotate, ensuring the consistency of the weld, improving the quality of the plastic pipe, and increasing work efficiency.

[0069] After welding is completed, the opening of the arc-shaped clamp 41 is turned upward again, the first telescopic component 43 and the second telescopic component 81 are retracted, and the welded plastic pipe 15 is taken out by the lifting device.

[0070] The contents not described in detail in this specification are existing technologies known to those skilled in the art.

[0071] The above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit the scope of protection of this utility model. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on these embodiments, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model. Although this utility model has been described in detail with reference to the above embodiments, those skilled in the art can still combine, add, delete, or otherwise adjust the features of the various embodiments of this utility model according to the circumstances without conflict or creative effort, thereby obtaining different technical solutions that do not fundamentally depart from the concept of this utility model. These technical solutions are also within the scope of protection of this utility model.

Claims

1. An automatic rotary welding device for plastic pipe socket joints, characterized in that, include: A base (1) is provided with a movable groove (9); The first distance adjustment component (2) is installed in the moving slot (9); Movable plate (3), the movable plate (3) is installed on both sides of the first distance adjustment component (2), and the movable plate (3) is located above the base (1); Clamping assembly (4), which is mounted on the movable plate (3) and is used to clamp and fix the plastic pipe (15); A drive assembly (5) is mounted on a movable plate (3) on one side of the clamping assembly (4) and is used to drive the clamping assembly (4) to rotate. Upright plate (6), the base (1) is equipped with upright plates (6) on both sides along its length direction; The second distance adjustment component (7) is rotatably mounted on the side wall of the upright plate (6); The clamping assembly (8) is installed on both sides of the second distance adjustment assembly (7) for clamping the two ends of the socket joint (16).

2. The automatic rotary welding device for plastic pipe socket joints according to claim 1, characterized in that, The first distance adjustment component (2) includes a first bidirectional threaded rod (21) rotatably mounted in the movable slot (9). One end of the first bidirectional threaded rod (21) passes through the base (1) and is connected to the output end of the first motor (22). The two ends of the first bidirectional threaded rod (21) are threaded with first threaded blocks (23), and a movable plate (3) is mounted on the top of the first threaded block (23).

3. The automatic rotary welding device for plastic pipe socket joints according to claim 1, characterized in that, The clamping assembly (4) includes an arc-shaped clamp (41) rotatably mounted on a movable plate (3). Several first telescopic members (43) are installed on the inner wall of the arc-shaped clamp (41). A clamping plate (44) is connected to the telescopic end of the first telescopic member (43) away from the arc-shaped clamp (41). Guide rail grooves (45) are opened on both opposite sides along their circumference. The two guide rail grooves (45) of the arc-shaped clamp (41) are respectively connected to the movable plate (3) through a support unit. An arc-shaped toothed plate (42) is installed on the outer surface of the arc-shaped clamp (41). The arc-shaped toothed plate (42) is connected to the drive assembly (5).

4. The automatic rotary welding device for plastic pipe socket joints according to claim 3, characterized in that, The support unit includes a number of evenly arranged support wheels (10), the support wheels (10) are disposed in the guide rail groove (45), each support wheel (10) is connected to a support plate (11), and the multiple support plates (11) are mounted on the movable plate (3).

5. The automatic rotary welding device for plastic pipe socket joints according to claim 3, characterized in that, The drive assembly (5) includes a first transmission gear (54) and a second transmission gear (59) symmetrically arranged on both sides of the lower part of the arc-shaped clamp (41). Both the first transmission gear (54) and the second transmission gear (59) can mesh with the arc-shaped toothed plate (42). A transmission shaft (53) is mounted on the first transmission gear (54). The other end of the transmission shaft (53) is connected to the gearbox (52). A third motor (51) is mounted on the gearbox (52). A first synchronous gear (55) is mounted on the transmission shaft (53). A connecting shaft (58) is mounted on the second transmission gear (59). A second synchronous gear (56) is connected to the other end of the connecting shaft (58). The first synchronous gear (55) and the second synchronous gear (56) are connected by a chain (57).

6. The automatic rotary welding device for plastic pipe socket joints according to claim 1, characterized in that, The second distance adjustment assembly (7) includes a mounting bracket (71) rotatably mounted on the side wall of the upright plate (6). A second bidirectional threaded rod (72) is rotatably mounted inside the mounting bracket (71). One end of the second bidirectional threaded rod (72) passes through the mounting bracket (71) and is connected to the output end of the second motor (73). A second threaded block (74) is threadedly connected to both ends of the second bidirectional threaded rod (72). A clamping assembly (8) is mounted on the second threaded block (74).

7. The automatic rotary welding device for plastic pipe socket joints according to claim 6, characterized in that, The clamping assembly (8) includes a second telescopic member (81) horizontally mounted on the second threaded block (74), and a pressure plate (82) is connected to the telescopic end of the second telescopic member (81) away from the second threaded block (74).

8. The automatic rotary welding device for plastic pipe socket joints according to claim 3, characterized in that, The arc-shaped clamp (41) is U-shaped, and the arc-shaped toothed plate (42) has the same shape as the outer surface of the arc-shaped clamp (41).

9. The automatic rotary welding device for plastic pipe socket joints according to claim 2, characterized in that, The moving groove (9) is also equipped with a first guide rod (24) that is parallel to the first bidirectional threaded rod (21). The first guide rod (24) passes through the first threaded block (23) and the first guide rod (24) slides in cooperation with the first threaded block (23).

10. The automatic rotary welding device for plastic pipe socket joints according to claim 6, characterized in that, The mounting bracket (71) is also equipped with a second guide rod (75) that is parallel to the second bidirectional threaded rod (72). The second guide rod (75) passes through the second threaded block (74) and the second guide rod (75) and the second threaded block (74) are in sliding engagement.

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