Rapid butt welding tool for heat supply pipeline

Abstract

The invention discloses a rapid butt welding tool for a heat supply pipeline, relates to the field of heat supply pipelines, and aims to solve the problems that an existing pipeline butt welding device is not provided with a workpiece for cleaning a pipeline port, and welding quality is lowered and welding fails in the welding process. A left pipeline clamping assembly is arranged at one end of the base, a right pipeline clamping assembly is arranged at the other end of the base, a sliding table is arranged between the left pipeline clamping assembly and the right pipeline clamping assembly, a supporting frame is rotationally connected to the sliding table, a through hole is formed in the middle of the supporting frame, polishing rollers are installed on the supporting frame around the through hole, a traction frame is slidably connected to the side edge of the base, and two self-clamping traction fixing clamps are arranged on the traction frame; the pipeline polishing device has the advantages that a port of a pipeline is polished and cleaned through the polishing roller, the cleanliness of the surface of the pipeline and the smoothness of the port are guaranteed, the contact tightness of the port is guaranteed, meanwhile, the polishing roller can be away from a connector after working, and enough operation space is reserved for subsequent welding work.

Description

Technical Field

[0001] The invention relates to the technical field of heating pipelines, in particular to a heating pipeline quick butt welding tool. Background Art

[0002] In the heating system, multiple pipes need to be welded during the laying of heating pipes. The existing butt welding of heating pipes is usually carried out manually or semi-mechanized. These methods not only require a lot of time and manpower, but also usually use bolts, clamps and other tools to clamp the pipes when fixing the pipes. Due to space constraints, the port operation space of the fixed pipes is extremely limited. This makes it difficult to achieve the desired effect when performing port cleaning and welding work. Due to the small operating space, it is difficult for cleaning tools to penetrate into the pipe ports, resulting in impurities such as rust and oil stains remaining on the port surface that cannot be completely removed. The presence of these impurities will seriously affect the welding quality, causing problems such as cold welding and leaking welding, thereby affecting the safe operation of the heating pipeline.

[0003] In addition, after the pipe is fixed, it is difficult to make fine adjustments due to the strong rigidity of the pipe, making it difficult to accurately align the two pipe ports to be welded. Even if fine adjustments are made by manpower or mechanical devices, it is difficult to ensure that the gap between the pipe ports is uniform, which increases the difficulty and risk of welding. During the welding process, if the gap between the pipe ports is too large or too small, it will lead to a decrease in welding quality and even cause welding failure.

[0004] The invention patent with application number "202210448807.6" discloses a heating pipe butt welding tool, including two clamping devices and a pull rod assembly, the pull rod assembly is mounted on the upper part of the two clamping devices, the clamping device includes a support assembly, a first clamping assembly and a second clamping assembly, the support assembly includes a bracket, a first adjustment module and a second adjustment module arranged on the bracket, the second adjustment module includes a movable adjustment module, the movable adjustment module is slidably connected to the bracket, the first clamping assembly can move up and down along the first adjustment module, and the second clamping assembly can move up and down along the movable adjustment module. The first clamping assembly and the second clamping assembly each include two groups of spaced clamps, the clamp on the first clamping assembly and the corresponding clamp on the second clamping assembly rotate in a split manner around their respective rotating axes, and after rotation, they are buckled and docked to clamp the heating pipe, or separated and rotated in the opposite direction to disengage the heating pipe; the application connects the two clamping devices through the middle pull rod assembly, so that one of the clamping devices can be moved toward the other clamping device, thereby ensuring the coaxiality of the two heating pipes when docking and the uniformity of the weld distance of the heating pipes. Although this application solves the problem of uneven heating pipe joints to a certain extent, it is unable to achieve rapid cleaning of the heating pipe ports. In addition, the application is placed upside down during use, and the bracket range on the upper side of the upper clamping device greatly affects the subsequent cleaning and welding space, thereby affecting the cleaning and welding efficiency of the pipe ports. Summary of the invention

[0005] In view of the above situation, in order to overcome the defects of the prior art, the present invention provides a heating pipe quick butt welding tool. Through this design, the problem that the existing pipe butt welding device does not have a workpiece for cleaning the pipe port is effectively solved, which leads to a decrease in welding quality and increased welding failure during the welding process.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: the present invention comprises a base, a left pipe clamping assembly is provided at one end of the base, a right pipe clamping assembly is provided at the other end of the base, a slide is provided between the left pipe clamping assembly and the right pipe clamping assembly, the slide is slidably connected to the base, a support frame is rotatably connected to the slide, a through hole is provided in the middle of the support frame, a grinding roller is installed on the support frame around the through hole, a traction frame is slidably connected to the side of the base, and two self-clamping traction fixing clamps are provided on the traction frame; The left pipe clamping assembly comprises a first screw, the first screw is rotatably connected to the base, the first screw is threadedly connected to two first bases that move relatively, and the two first bases are fixedly connected to a left pipe fixing clamp; The right pipe clamping assembly comprises a second screw, the second screw is rotatably connected to the base, the second screw is threadedly connected to two second bases that move relatively, and the two second bases are fixedly connected to a right pipe fixing clamp; The bottom of the traction fixing clamp is fixedly connected to a third base. The traction fixing clamp, the left pipe fixing clamp and the right pipe fixing clamp are all provided with a V-shaped clamping groove, and the cross section in the middle of the clamping groove is at the same height as the center of the through hole.

[0007] Preferably, an outer gear ring is fixedly connected to the support frame, an annular groove is formed between the outer gear ring and the support frame, the annular groove is rotatably connected to the slide, a driving gear is meshed on the outer periphery of the outer gear ring, and the driving gear is rotatably connected to the slide.

[0008] Preferably, there are multiple driving gears, a first feed port is opened on the upper side of the slide, a second feed port is opened on the support frame and the outer gear ring, and the opening angles of the first feed port and the second feed port are both less than one hundred and eighty degrees.

[0009] Preferably, the grinding roller is rotatably connected with an adjustment block, the adjustment block is provided with a plurality of adjustment holes, the support frame is fixedly connected with a positioning pin and a fixing screw matching with the adjustment holes, and the fixing screw is threadedly connected with a fixing nut.

[0010] Preferably, the left pipe clamping assembly also includes two relatively sliding left pipe pads, and the two left pipe pads are threadedly connected to a third screw. The right pipe clamping assembly also includes two relatively sliding right pipe pads, and the two right pipe pads are threadedly connected to a fourth screw. The third screw and the fourth screw are both fixedly connected to a reversing gear set, and the two reversing gear sets are commonly fixedly connected to a first rocker, and the first rocker is rotatably connected to the base.

[0011] Preferably, the left pipe pad and the right pipe pad are both rotatably connected to sliding rollers, and the sliding rollers are rotatably connected to balls.

[0012] Preferably, the traction frame includes a skateboard, a guide rod is fixedly connected to the front end of the skateboard, the guide rod is slidably connected to the base, the base is provided with a pin that cooperates with the guide rod, a slider is slidably connected to the upper side of the skateboard, a slide groove is provided in the slider for the third base to slide, the bottom of the third base is rotatably connected to a cylindrical rod, and a guide groove that cooperates with the cylindrical rod is opened on the skateboard.

[0013] Preferably, a first connecting rod is hinged on the sliding block, a second rocking rod is hinged on the first connecting rod, the second rocking rod is hinged to the base, and a spring is sleeved on the guide rod outside the base.

[0014] Preferably, a telescopic rod is installed between the slide and the base, ribs are fixedly connected to both sides of the slide, a support rod for sliding connection with the ribs is installed on the base, and a storage groove is opened on the base below the slide.

[0015] Preferably, a foldable lifting frame is installed under the base, and casters are installed at the bottom of the lifting frame. The lifting frame includes a second connecting rod and a third connecting rod, the middle part of the second connecting rod is hinged to the middle part of the third connecting rod, one end of the second connecting rod is hinged to the base, and the other end of the second connecting rod is hinged to a first connecting block, the first connecting block is slidably connected to a support plate, one end of the third connecting rod is hinged to the support plate, and the other end of the third connecting rod is hinged to a second connecting block, the second connecting block is slidably connected to the base, an adjusting screw is threadedly connected to the second connecting block, and the adjusting screw is rotatably connected to the base.

[0016] Compared with the prior art, the present invention has the following outstanding advantages: The present invention fixes and docks two welded pipes by using a left pipe clamping assembly and a right pipe clamping assembly to ensure the stability of the pipes during welding. At the same time, the left pipe fixing clamp, the right pipe fixing clamp and the through hole are at the same height to ensure the coaxiality of the two pipes and ensure that the ports of the two pipes are in an aligned state.

[0017] The present invention drives the support frame and the grinding roller to move through the slide table, adjusts the position of the grinding roller, and ensures that the grinding roller grinds and cleans the port of the pipeline. At the same time, the support frame rotates around the pipeline to ensure that the grinding roller can grind and clean all around the pipeline, avoids the occurrence of cleaning dead corners, and improves the subsequent welding quality.

[0018] After grinding is completed, the slide table of the present invention can drive the grinding roller away from the port position, leaving enough space for welding work, facilitating the smooth progress of welding work and improving welding efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the overall structure of Example 1 of the present invention.

[0020] Figure 2 The schematic diagram of the slide structure is omitted in Example 1 of the present invention.

[0021] Figure 3 It is a schematic diagram of the structure of the left pipe clamping assembly of the present invention.

[0022] Figure 4 It is a schematic diagram of the structure of the right pipe clamping assembly of the present invention.

[0023] Figure 5 It is a schematic diagram of the overall structure of the traction fixing clamp of the present invention.

[0024] Figure 6 It is a schematic diagram of the exploded structure of the traction frame of the present invention.

[0025] Figure 7 It is a schematic diagram of the cylindrical rod connection structure of the present invention.

[0026] Figure 8 It is an overall schematic diagram of the slide of the present invention.

[0027] Fig. 9 It is a schematic diagram of the rear end structure of the slide table of the present invention.

[0028] Fig.10 It is a schematic diagram of the exploded structure of the support frame and the slide table of the present invention.

[0029] Fig.11 It is a schematic diagram of the connection structure of the reversing gear set of the present invention.

[0030] Fig.12 It is a schematic diagram of the sliding roller connection structure of the present invention.

[0031] Fig.13 This is a schematic diagram of the connection structure of the adjustment block of the present invention.

[0032] Fig.14 This is a schematic diagram of the overall structure of Example 2 of the present invention.

[0033] Fig.15 This is a schematic diagram of the slide structure in Example 2 of the present invention.

[0034] Fig.16 This is a schematic diagram of the overall structure of Example 3 of the present invention.

[0035] Fig.17 This is a schematic diagram of the structure on the left in Example 3 of the present invention.

[0036] Numbers in the figure: 1, base; 2, left pipe clamping assembly; 201, first screw; 202, first base; 203, left pipe fixing clamp; 204, left pipe pad; 205, third screw; 3, right pipe clamping assembly; 301, second screw; 302, second base; 303, right pipe fixing clamp; 304, right pipe pad; 305, fourth screw; 4, slide; 5, support frame; 6, through hole; 7, grinding roller; 8, traction frame; 801, slide plate; 802, guide rod; 803, bayonet; 804, slide block; 805, slide groove; 806, cylindrical rod; 807, guide pin; 808, connecting rod; 80 9. Second rocker; 810. Spring; 9. Traction fixing clamp; 10. Clamp groove; 11. Outer gear ring; 12. Ring groove; 13. Driving gear; 14. First feed inlet; 15. Second feed inlet; 16. Adjustment block; 17. Adjustment hole; 18. Positioning pin; 19. Fixing screw; 20. Fixing nut; 21. Reversing gear set; 22. First rocker; 23. Slide roller; 24. Ball bearing; 25. Telescopic rod; 26. Rib plate; 27. Support rod; 28. Storage groove; 29. ​​Caster; 30. Second connecting rod; 31. Third connecting rod; 32. First connecting block; 33. Support plate; 34. Second connecting block; 35. Adjusting screw. DETAILED DESCRIPTION

[0037] The technical solutions in the embodiments of the present invention are clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention. Example 1

[0038] Please see attached Figure 1-13 The present embodiment provides a heating pipe quick butt welding tool: it includes a base 1, a left pipe clamping assembly 2 is provided at one end of the base 1, a right pipe clamping assembly 3 is provided at the other end of the base 1, a slide 4 is provided between the left pipe clamping assembly 2 and the right pipe clamping assembly 3, the slide 4 is slidably connected to the base 1, a support frame 5 is rotatably connected to the slide 4, a through hole 6 is provided in the middle of the support frame 5, and grinding rollers 7 are installed on the support frame 5 around the through hole 6, a traction frame 8 is slidably connected to the side of the base 1, and two self-clamping traction fixing clamps 9 are provided on the traction frame 8.

[0039] The base 1 is used to support the left pipe clamping component 2 and the right pipe clamping component. The left pipe clamping component 2 is fixedly installed on the left side of the base 1, and the right pipe clamping component 3 is installed on the right side of the base 1. The slide 4 is located between the left pipe clamping component 2 and the right pipe clamping component 3. When placing the pipe, the slide 4 is first moved away from the right pipe clamping component 3, and then a pipe is placed on the right pipe clamping component 3. After the right pipe is placed, the slide 4 is driven to move to the right, and the right pipe passes through the through hole 6 of the support frame 5. Then, the left pipe is placed on the left pipe clamping component 2 and the traction frame 8. After the left pipe is placed, the left pipe is driven to move to the right by the traction frame 8. There are two traction fixing clamps 9 in the traction frame 8. The two traction fixing clamps 9 are located on both sides of the clamped pipe. When the traction frame 8 moves to the right, the two traction fixing clamps 9 automatically clamp the pipe. When it moves to the right limit position of the traction frame 8, the traction frame 8 moves to the left. When the traction frame 8 moves to the left, the two traction fixing clamps 9 automatically release the clamping of the two sides of the pipe. At this time, the left pipe does not move, and the traction frame 8 moves to the left relative to the left pipe. The right end of the left pipe is moved to the left end close to the left pipe by the traction frame 8 until the two ports contact each other. After the two ports contact each other, the left pipe clamping assembly 2 and the right pipe clamping assembly 3 fix the two pipes, and the slide 4 drives the support frame 5 to move to the position where the two ports are connected. Then, the support frame 5 drives the surrounding grinding rollers 7 to grind the welding surfaces of the two ports to ensure the neatness and smoothness of the welding surface, avoid rust and stains on the interface, and improve the welding quality; further, the grinding roller 7 is a columnar structure with a thick middle and thin two sides. During grinding, the step surfaces of the thin end and the thick end of the grinding roller 7 can grind the port of the pipe, thereby ensuring the flatness of the interface of the two pipes and improving the fit of the two pipes during welding.

[0040] The left pipe clamping assembly 2 includes a first screw 201, the first screw 201 is rotatably connected to the base 1, the first screw 201 is threadedly connected to two relatively movable first bases 202, and the two first bases 202 are fixedly connected with a left pipe fixing clamp 203; The first screw rod 201 has two sections of thread grooves with opposite rotation directions. The two sections of thread grooves on the first screw rod 201 are threadedly connected to the two first bases 202. The base 1 has a rectangular groove that cooperates with the two first bases 202. Under the limit drive of the rectangular groove and the first screw rod 201, the rotation of the first screw rod 201 will drive the two left pipe fixing clamps 203 to move closer or farther relative to each other, and the two left pipe fixing clamps 203 move synchronously. When fixing the pipe, it can ensure that the fixed pipe is located in the middle position of the two left pipe fixing clamps 203, and at the same time improve the adjustment efficiency of the left pipe fixing clamps 203.

[0041] The right pipe clamping assembly 3 includes a second screw 301, which is rotatably connected to the base 1. The second screw 301 is threadedly connected to two second bases 302 that move relative to each other, and right pipe fixing clamps 303 are fixedly connected to the two second bases 302. The right pipe clamping assembly 3 has the same structural principle as the left pipe clamping assembly 2, and the two right pipe fixing clamps 303 in the right pipe clamping assembly 3 are driven by the rotation of the second screw 301.

[0042] The bottom of the traction fixing clamp 9 is fixedly connected to a third base. The traction fixing clamp 9, the left pipe fixing clamp 203 and the right pipe fixing clamp 303 are all provided with a V-shaped clamping groove 10, and the cross section of the middle of the clamping groove 10 is at the same height as the center of the through hole 6.

[0043] The clamping blocks of the left pipe fixing clamp 203, the right pipe fixing clamp 303 and the traction fixing clamp 9 are all V-shaped structures placed sideways, and grooves are provided on the two mutually matching clamping blocks. This structural design can ensure that the center of the pipe is located on the cross section of the clamping block when fixing the pipe. At the same time, the clamping blocks in the left pipe fixing clamp 203, the right pipe fixing clamp 303 and the traction fixing clamp 9 move synchronously, so that the center of the fixed pipe is located in the longitudinal section in the middle of the two clamping blocks. On the action line of the above movement, the pipe is located at a fixed position on the upper side with the central axis, and the central axis of the pipe and the center of the support frame 5 are located on the same straight line, so that To ensure the coaxiality between the support frame 5 and the pipeline, and to make the two pipelines in a straight state during welding, the left pipeline fixing clamp 203 and the right pipeline fixing clamp 303 are located at the same height position on the base 1 to avoid the pipeline from tilting when fixed, and to ensure that the pipelines on both sides are in a horizontal docking position during welding. After welding is completed, all the clamps of the components are loosened, the device is moved to the left along the pipeline, and the position of the right pipeline clamping assembly 3 is moved to the right end of the left pipeline. At this time, another pipeline can be placed on the left pipeline clamping assembly 2 for welding, which is convenient for continuous welding of multiple pipelines.

[0044] The support frame 5 is located in the through hole 6 of the slide 4. The diameter of the outer gear ring 11 in the support frame 5 is larger than the diameter of the through hole 6. The outer gear ring 11 is located on one side of the slide 4. The slide 4 is provided with a driving gear 13 for driving the outer gear ring 11 to rotate. A motor or a handle is installed on the driving gear 13. The support frame 5 is driven to rotate electrically or manually. The support frame 5 drives the grinding roller 7 to revolve around the periphery of the through hole 6, thereby performing all-round grinding around the pipeline port to avoid grinding dead corners. An annular groove 12 is provided on the left side of the outer gear ring 11. The diameter of the annular groove 12 is the same as the diameter of the through hole 6. The annular groove 12 is stuck in the through hole 6 of the slide 4, and the rotation of the support frame 5 is guided by the annular groove 12.

[0045] In order to further improve the application scope of the device, an adjusting block 16 is installed between the grinding roller 7 and the support frame 5. The adjusting block 16 is installed on the support frame 5 through an adjusting hole 17 and a fixing nut 20. The other end of the adjusting block 16 is rotatably connected to the grinding roller 7. There are multiple adjusting holes 17 on the adjusting block 16. In order to better fix the adjusting block 16 and prevent the adjusting block 16 from rotating due to excessive friction, a locating pin 18 and a fixing screw 19 are installed on the support block to fix the adjusting block 16 at two points. The center line connection line of the locating pin 18 and the fixing screw 19 passes through the center of the hole 6. The fixing screw 19 cooperates with the fixing nut 20 to ensure the fit between the adjusting block 16 and the support frame 5. At the same time, the grinding roller 7 is rotatably connected to the adjusting block 16. During grinding, the reverse force between the grinding roller 7 and the pipeline will drive the grinding roller 7 to rotate, thereby improving the smoothness of pipeline grinding.

[0046] A left pipe pad 204 is installed on the left side of the left pipe fixing clamp 203, and a right pipe pad 304 is installed on the right side of the right pipe fixing clamp 303. The left pipe pad 204 supports the bottom of the left pipe, and the right pipe pad 304 supports the bottom of the right pipe. When fixing the pipe, multiple support points of uniform height are provided for the pipe to ensure that the pipe is placed horizontally. The left pipe pad 204 is threadedly connected to a third screw rod 205. When the third screw rod 205 is rotated, it pushes or pulls the two left pipe pads 204 to change the distance between them. A fourth screw rod 305 is threadedly connected to the two right pipe pads 304. Similar to the third screw rod 205, the rotation of the fourth screw rod 305 adjusts the distance between the two right pipe pads 304. The principle of the third screw rod 205 and the fourth screw rod 305 is the same as that of the first screw rod 205. 01 drives the two first bases 202 to move on the same principle. In order to further ensure that the left pipe pad 204 and the right pipe pad 304 support the bottom of the pipe at the same height, a reversing gear set 21 is fixedly connected to the third screw 205 and the fourth screw 305. The two reversing gear sets 21 are jointly fixedly connected to a first rocker 22. When the first rocker 22 is rotated, it will drive the third screw 205 and the fourth screw 305 to rotate simultaneously through the reversing gear set 21. The first rocker 22 is rotatably connected to the base. The first rocker 22 can rotate freely on the base without moving the base itself; the reversing gear set 21 is a mechanical device that can change the direction or speed of rotation. The reversing gear set 21 can be composed of a worm wheel and a worm, or the reversing gear set 21 can be composed of two mutually meshing bevel gears, so as to achieve the purpose of changing the direction of rotation.

[0047] In order to further support and adjust the left pipe pad 204 and the right pipe pad 304 for the pipe, a sliding roller 23 is rotatably connected to the left pipe pad 204 and the right pipe pad 304. The sliding roller 23 can rotate on its own. When the left pipe pad 204 or the right pipe pad 304 moves horizontally, the sliding roller 23 reduces the horizontal force of the pipe on the sliding roller 23 through its own rotation, thereby facilitating the adjustment of the left pipe pad 204 and the right pipe pad 304. Furthermore, in order to facilitate the relative sliding between the pipe and the device, a ball 24 is installed in the sliding roller 23 to reduce the friction of the pipe by rolling, thereby facilitating the movement of the pipe.

[0048] The traction frame 8 has two lower layers, the lower layer is composed of a slide plate 801 and a guide rod 802, and the upper layer is composed of a slider 804 and a traction fixing clamp 9. The slider 804 is located above the slide plate 801, and the slide plate 801 supports and guides the slider 804. The two traction fixing clamps 9 can interact back and forth on the slider 804, and the slider 804 guides the traction fixing clamp 9. A cylindrical rod 806 is installed at the bottom of the slider 804, and the lower end of the cylindrical rod 806 is located in the guide groove on the slide plate 801. The guide groove on the slide plate 801 that cooperates with the two cylindrical rods 806 is a V-shaped structure. The guide groove contacts the cylindrical surface of the cylindrical rod 806, and the surface of the cylindrical rod 806 receives a bevel force. In the initial position, the latch 803 is on the guide rod 802 The movement of the slider 804 plays a limiting role. Under the action of the latch 803, the slide plate 801 and the base 1 are in a relatively static state. At this time, the slider 804 is pulled, and the slider 804 drives the third base to move to the right. The two third bases are close to each other under the action of the cylindrical rod 806 and the guide groove, so that the distance between the two third bases is gradually reduced. The two third bases drive the two traction fixing clamps 9 to move close to each other, so that the two traction fixing clamps 9 fix and clamp the pipeline. After clamping, the latch 803 is released, and the slider 804 is forced to the right. Under the action of the support group of the pipeline, the two traction fixing clamps 9 will no longer move close to each other. At this time, the slider 804 moves to the right, driving the slider 801 and the pipeline to move to the right. As the slider 804 moves to the right As the applied force increases, the two traction fixing clamps 9 will clamp the pipes tighter and tighter, ensuring the stability and firmness of the clamping of the traction fixing clamps 9. After the slider 804 and the slide plate 801 move, the guide rod 802 and the slide plate 801 are fixed by the bayonet 803, and then the slider 804 is moved to the left. After the slider 804 is used to the left, the movement of the slider 804 drives the third base and the cylindrical rod 806 to move to the left. The cylindrical rod 806 moves to the left, and the movement of the cylindrical rod 806 drives the two third bases to move away from each other, so that the two traction fixing clamps 9 move away from each other, and the pipeline is released. The bayonet 803 can be removed during the leftward movement of the slider 804. The slider 804 drives the slide plate 801 through the cylindrical rod 806. Move to the initial position, and repeatedly feed the pipeline to one side in one direction; there are multiple guide rods 802, and multiple guide rods 802 can ensure the smooth movement of the slide plate 801 and prevent the slide plate 801 from rotating. The cylindrical rod 806 is a key component connecting the third base and the slide plate 801. It is rotatably connected at the bottom of the third base, and a guide groove matching it is opened on the slide plate 801. When the third base slides in the slide groove 805 of the slider 804, the cylindrical rod 806 will move in the guide groove of the slide plate 801, thereby guiding the movement trajectory of the third base. Through the mutual cooperation of the guide rods 802, the slider 804, the third base and the cylindrical rod 806, complex and precise motion control is achieved.

[0049] The slider 804 serves as a connecting component with the slide plate 801. In order to facilitate the left and right movement of the slide, a first connecting rod 808 and a second rocker arm 809 are installed between the slider 804 and the base 1. The first connecting rod 808, the first rocker arm 22 and the slider 804 are connected to form a crank slider 804 mechanism. The second rocker arm 809 is an L-shaped structure. The inflection point of the second rocker arm 809 is hinged to the base 1. The movement of the first connecting rod 808 and the slider 804 is driven by the rotation of the second rocker arm 809. Furthermore, the force applied by the second rocker arm 809 can be reduced by increasing the swing arm length of the second rocker arm 809. In addition, a spring 810 can be additionally added to the guide rod 802. When the slide plate 801 is at the rightmost extreme position, the spring 810 has an elastic force to the left on the slide plate 801. After the pin 803 is released, it is guaranteed that the slide plate 801 can be well reset to the left.

[0050] The telescopic rod 25 between the slide 4 and the base plate is an electric telescopic rod 25, which can automatically adjust the position of the slide 4 on the base 1. At the same time, in order to increase the stability of the slide 4, ribs 26 are installed on the front and rear sides of the slide 4. The ribs 26 are guided and supported by support rods 27. At the same time, a storage groove 28 is opened at the bottom of the base 1. The storage groove 28 is used to store grinding debris to facilitate subsequent cleaning and sorting work. Example 2

[0051] The structure is the same as the above embodiment. Fig.14 and Fig.15 As shown, the specific difference of this embodiment is that: there are multiple driving gears 13, a first feed port 14 is opened on the upper side of the slide 4, and a second feed port 15 is opened on the support frame 5 and the outer gear ring 11, and the opening angles of the first feed port 14 and the second feed port 15 are both less than one hundred and eighty degrees.

[0052] In order to facilitate the separation and placement between the device and the pipeline, a first feed port 14 is opened on the slide 4, and a second feed port 15 is opened on the support frame 5 and the outer gear ring 11. The number of driving gears 13 installed on the slide 4, the angle of the first feed port 14 is smaller than the physical angle of the outer gear ring 11 and the support frame 5. When the outer gear ring 11 and the support frame 5 rotate, it can be ensured that the outer gear ring 11 and the support frame 5 can cross the first feed port 14, and the angle of two adjacent driving gears 13 is less than or equal to the angle of the first feed port 14, so as to ensure that the outer gear ring 11 has a tangential driving force during the rotation process. The first feed port 14 and the second feed port 15 are used to facilitate the placement of the pipeline on the device, and it is also convenient for the device to be separated from the pipeline after welding is completed; this is suitable for welding work with a small number of pipelines. Example 3

[0053] The structure is the same as the above embodiment. Fig.16 and Fig.17As shown, the specific difference of this embodiment is that a foldable lifting frame is installed under the base 1, and a caster 29 is installed at the bottom of the lifting frame. The lifting frame includes a second connecting rod 30 and a third connecting rod 31. The middle part of the second connecting rod 30 is hinged to the middle part of the third connecting rod 31, one end of the second connecting rod 30 is hinged to the base 1, and the other end of the second connecting rod 30 is hinged to a first connecting block 32, the first connecting block 32 is slidably connected to a support plate 33, one end of the third connecting rod 31 is hinged to the support plate 33, and the other end of the third connecting rod 31 is hinged to a second connecting block 34, the second connecting block 34 is slidably connected to the base 1, and an adjusting screw 35 is threadedly connected to the second connecting block 34, and the adjusting screw 35 is rotatably connected to the base 1.

[0054] In order to increase the height of the base 1 and facilitate welding work under the pipeline during welding, a lifting frame is installed at the bottom of the base 1. The lifting frame is a foldable lifting frame composed of a second connecting rod 30 and a third connecting rod 31 hinged to each other. The foldable lifting frame makes the device have a lower height when folded, which is convenient for placing the pipeline above the device. When in use, the lifting is opened to raise the height of the base 1. The second connecting rod 30 and the third connecting rod 31 form a frame that can be folded and unfolded. One end of the second connecting rod 30 is hinged to the base 1, and the second connecting rod 30 can swing within a certain range on the base 1. The other end is hinged to a first connecting block 32. This connecting block is connected to the support plate 33 by a sliding connection, allowing a certain relative movement between them. At the same time, one end of the third connecting rod 31 is connected to the support plate 3 3 is hinged, and a second connecting block 34 is hinged on the other end. The second connecting block 34 is connected to the base 1 by a sliding connection. Similarly, there is a certain relative movement between the third connecting rod 31 and the supporting plate 33. An adjusting screw 35 is threadedly connected to the second connecting block 34. The screw is connected to the base 1 by a rotation connection. By rotating the adjusting screw 35, the sliding position of the second connecting block 34 on the base 1 can be pushed or pulled, thereby changing the overall height of the lifting frame. Since the middle parts of the second connecting rod 30 and the third connecting rod 31 are hinged, when the adjusting screw 35 is rotated, the lifting frame will be unfolded or retracted in a folding manner, and its height will be changed at the same time, thereby realizing the function of height adjustment. The casters 29 enable the entire device to be easily moved to a desired position, thereby improving the flexibility and practicality of the device.

[0055] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A heating pipe quick butt welding tool, characterized by: The invention comprises a base (1), wherein one end of the base (1) is provided with a left pipe clamping assembly (2), and the other end of the base (1) is provided with a right pipe clamping assembly (3), a slide (4) is provided between the left pipe clamping assembly (2) and the right pipe clamping assembly (3), the slide (4) is slidably connected to the base (1), a support frame (5) is rotatably connected to the slide (4), a through hole (6) is provided in the middle of the support frame (5), grinding rollers (7) are installed on the support frame (5) around the through hole (6), a traction frame (8) is slidably connected to the side of the base (1), and two self-clamping traction fixing clamps (9) are provided on the traction frame (8); The left pipe clamping assembly (2) comprises a first screw (201), the first screw (201) being rotatably connected to the base (1), the first screw (201) being threadedly connected to two first bases (202) that are movable relative to each other, and the two first bases (202) are both fixedly connected to a left pipe fixing clamp (203); The right pipe clamping assembly (3) comprises a second screw (301), the second screw (301) being rotatably connected to the base (1), the second screw (301) being threadedly connected to two second bases (302) that move relative to each other, and the two second bases (302) are both fixedly connected to a right pipe fixing clamp (303); The bottom of the traction fixing clamp (9) is fixedly connected to a third base, and the traction fixing clamp (9), the left pipe fixing clamp (203) and the right pipe fixing clamp (303) are all provided with a V-shaped clamping groove (10), and the cross section of the middle of the clamping groove (10) is at the same height as the center of the through hole (6).

2. A heating pipe quick butt welding tool according to claim 1, characterized in that: An outer gear ring (11) is fixedly connected to the support frame (5), an annular groove (12) is formed between the outer gear ring (11) and the support frame (5), the annular groove (12) is rotatably connected to the slide table (4), a driving gear (13) is meshed on the periphery of the outer gear ring (11), and the driving gear (13) is rotatably connected to the slide table (4).

3. A heating pipe quick butt welding tool according to claim 2, characterized in that: There are a plurality of driving gears (13), a first feed port (14) is formed on the upper side of the slide (4), a second feed port (15) is formed on the support frame (5) and the outer gear ring (11), and the opening angles of the first feed port (14) and the second feed port (15) are both less than one hundred and eighty degrees.

4. A heating pipe quick butt welding tool according to claim 2 or 3, characterized in that: The grinding roller (7) is rotatably connected to an adjustment block (16), the adjustment block (16) is provided with a plurality of adjustment holes (17), the support frame (5) is fixedly connected to a positioning pin (18) and a fixing screw (19) that cooperate with the adjustment hole (17), and the fixing screw (19) is threadedly connected to a fixing nut (20).

5. A heating pipe quick butt welding tool according to claim 1, characterized in that: The left pipe clamping assembly (2) further comprises two relatively sliding left pipe pads (204), the two left pipe pads (204) being threadedly connected to a third screw rod (205), and the right pipe clamping assembly (3) further comprises two relatively sliding right pipe pads (304), the two right pipe pads (304) being threadedly connected to a fourth screw rod (305), the third screw rod (205) and the fourth screw rod (305) being fixedly connected to a reversing gear set (21), the two reversing gear sets (21) being commonly fixedly connected to a first rocker (22), and the first rocker rod (22) being rotatably connected to the base.

6. A heating pipe quick butt welding tool according to claim 5, characterized in that: The left pipeline cushion block (204) and the right pipeline cushion block (304) are both rotatably connected to a sliding roller (23), and the sliding roller (23) is rotatably connected to a ball bearing (24).

7. A heating pipe quick butt welding tool according to claim 1, characterized in that: The traction frame (8) comprises a slide plate (801), the front end of the slide plate (801) is fixedly connected to a guide rod (802), the guide rod (802) is slidably connected to the base (1), the base (1) is provided with a latch (803) that cooperates with the guide rod (802), the upper side of the slide plate (801) is slidably connected to a slider (804), the slider (804) is provided with a slide groove (805) for sliding the third base, the bottom of the third base is rotatably connected to a cylindrical rod (806), and the slide plate (801) is provided with a guide groove that cooperates with the cylindrical rod (806).

8. A heating pipe quick butt welding tool according to claim 7, characterized in that: A first connecting rod (808) is hinged on the slider (804), a second rocking rod (809) is hinged on the first connecting rod (808), the second rocking rod (809) is hinged to the base (1), and a spring (810) is sleeved on the guide rod (802) outside the base (1).

9. A heating pipe quick butt welding tool according to claim 1, characterized in that: A telescopic rod (25) is installed between the slide (4) and the base (1), ribs (26) are fixedly connected to both sides of the slide (4), a support rod (27) for sliding connection with the ribs (26) is installed on the base (1), and a storage groove (28) is opened on the base (1) below the slide (4).

10. A heating pipe quick butt welding tool according to claim 1, characterized in that: A foldable lifting frame is installed below the base (1), and a caster (29) is installed at the bottom of the lifting frame. The lifting frame comprises a second connecting rod (30) and a third connecting rod (31). The middle part of the second connecting rod (30) is hinged to the middle part of the third connecting rod (31). One end of the second connecting rod (30) is hinged to the base (1), and the other end of the second connecting rod (30) is hinged to a first connecting block (32). The first connecting block (32) is slidably connected to a support plate (33). One end of the third connecting rod (31) is hinged to the support plate (33), and the other end of the third connecting rod (31) is hinged to a second connecting block (34). The second connecting block (34) is slidably connected to the base (1), and an adjusting screw (35) is threadedly connected to the second connecting block (34). The adjusting screw (35) is rotatably connected to the base (1).

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