Automatic plastic pipe welding machine

Abstract

The present invention discloses an automatic plastic pipe welding machine, which includes a frame provided with a control panel, a butt welding module and a left-right adjustment module automatically controlled by the control panel horizontally provided on the top of the frame; a cutting module and a heating module automatically controlled by the control panel slidingly provided on the left-right adjustment module. The left-right adjustment module includes a left-right adjustment support plate horizontally provided on the top of the frame, a left-right adjustment guide rail provided on the upper surface of the left-right adjustment support plate, a front-back adjustment support plate driven by a displacement motor slidingly provided on the left-right adjustment guide rail; the cutting module and the heating module are arranged side by side on the front-back adjustment support plate and are automatically controlled by the displacement motor through the control panel to achieve synchronous left-right movement. With the present invention, the entire pipe welding process only requires manual placement and removal of the pipe, and the remaining actions are controlled by the servo, so that the quality of the automated welding is guaranteed and the consistency is good.

Description

Technical Field

[0001] The present invention relates to the technical field of automation equipment, in particular to an automatic plastic pipe welding machine. Background Art

[0002] Plastic pipes are widely used across various industries due to their advantages, including light weight, easy installation, smooth inner walls, low pressure loss, excellent airtightness, and long service life. To facilitate transportation, plastic pipes are manufactured into short, fixed-length sections. In actual use, these sections are welded together using a plastic pipe butt welding machine to form long pipes, ensuring that the connections between the plastic pipes are secure and airtight.

[0003] The plastic pipe welding machines in the existing technology are mainly manual or semi-automatic, and are more dependent on the operator's processing experience. Manual control of the cutting amount and welding amount is required. The use of contact heating requires manual control of welding time, welding pressure and cooling time, etc. Therefore, there are problems such as manual or automatic plastic pipe welding machines requiring high operator processing experience, operation is affected by human factors, large fluctuations in welded pipe quality, and contact heating affecting the welding quality of the pipe end face. Summary of the Invention

[0004] In order to solve the above technical problems, the present invention provides an automatic plastic pipe welding machine, which replaces manual welding with automatic control, sets plastic pipe welding parameters, keeps the end face clean, improves the overall welding quality and stable work quality, and reduces the difficulty of plastic pipe welding operations.

[0005] To achieve the above object, the technical solution of the present invention is as follows:

[0006] An automatic plastic pipe welding machine includes a frame with a control panel, a butt welding module and a left-right adjustment module automatically controlled by the control panel horizontally arranged on the top of the frame; a cutting module and a heating module automatically controlled by the control panel are slidably arranged on the left-right adjustment module.

[0007] Among them, the left and right adjustment module includes a left and right adjustment support plate horizontally arranged on the top of the frame, the upper surface of the left and right adjustment support plate is provided with a left and right adjustment guide rail, and a front and rear adjustment support plate driven by a displacement motor is slidably arranged on the left and right adjustment guide rail; the cutting module and the heating module are arranged side by side on the front and rear adjustment support plate and the displacement motor is automatically controlled by the control panel to achieve synchronous left and right movement.

[0008] Among them, a cutting adjustment rail and a heating adjustment rail are arranged side by side on the front and rear adjustment support plates. The cutting module is slidably installed on the cutting adjustment rail through slider 1 and is automatically controlled to move forward and backward by the control panel. The heating module is slidably installed on the heating adjustment rail through slider 2 and is automatically controlled to move forward and backward by the control panel.

[0009] Among them, the cutting module includes a cutting support plate installed on the upper side of the slider, a cutting motor and a reducer support plate installed on the upper surface of the cutting support plate, a reducer driven by the motor and installed between the reducer support plates on both sides through a bearing seat, a cutter disc respectively arranged on the outside of the reducer support plates on both sides and driven synchronously by the reducer, and a blade arranged on the cutter disc.

[0010] Among them, the heating module includes a heating support plate installed on the upper side of the slider 2, a limit block arranged at one end of the lower side of the heating support plate and corresponding to the front and rear adjustment support plates, a balancing support plate installed on the upper surface of the heating support plate through multiple groups of symmetrically arranged balancing bolt assemblies, a heating mounting plate installed on the upper surface of the balancing support plate, an insulation plate installed at the end of the heating mounting plate, and heating plates symmetrically installed on both sides of the insulation plate.

[0011] The butt welding module includes a base horizontally mounted on the top of the frame, a slide rail 1 is provided on the base, and a first clamping module and a second clamping module that slide relatively are provided on the slide rail 1.

[0012] In which, the first clamping module includes a first adjustment seat slidably mounted on the slide rail, a first slide mounted on the first adjustment seat, a first slide groove being provided on the upper surface of the first slide, a first slide plate being installed in the first slide groove, a plurality of first adjustment holes being provided in parallel along the sliding direction on the first slide plate, and the first slide plate is locked on the first slide plate by a first locking handle corresponding to the first adjustment holes at different positions; the ends of the first slide plate and the first slide plate are fixedly provided with a clamping mechanism corresponding to the second clamping module, and the clamping mechanisms at the ends of the first slide plate and the first slide plate are coaxially arranged.

[0013] In which, the second clamping module includes a second adjustment seat slidably mounted on the slide rail, a second slide mounted on the second adjustment seat, a second slide groove being provided on the upper surface of the second slide, a second slide plate being installed in the second slide groove, a plurality of second adjustment holes being provided in parallel along the sliding direction on the first slide, and the second slide plate is locked on the second slide plate by the second locking handle corresponding to the second adjustment holes at different positions; the ends of the second slide plate and the second slide plate are fixedly provided with a clamping mechanism corresponding to the first clamping module, and the clamping mechanisms of the second slide plate and the second slide plate ends are coaxially arranged and coaxially arranged with the clamping mechanisms of the first slide plate and the first slide plate ends.

[0014] Wherein, the first adjustment seat is provided with a first limiter corresponding to the second adjustment seat, and the second adjustment seat is provided with a second limiter corresponding to the first limiter.

[0015] Among them, a third slide is also installed on the second adjustment seat, and a slide rail 2 is provided on the third slide, and the third adjustment seat is slidably installed on the slide rail 2. One end of the second slide is installed on the third adjustment seat through the rotating shaft 2; a front and rear adjustment screw is threadedly installed on the side of the other end of the third adjustment seat, and the other end of the front and rear adjustment screw is fixed to the third slide through an axle seat, so as to drive the third adjustment seat to adjust the horizontal front and rear position along the slide rail 2.

[0016] Among them, the side of the third adjustment seat is also provided with an upper and lower adjustment screw parallel to the front and rear adjustment screws, the upper and lower adjustment screws are threadedly connected to the rotating shaft 1 arranged parallel to the rotating shaft 2, the rotating shaft 1 is located in the installation groove inside the third adjustment seat and the upper and lower adjustment screws pass through the rotating shaft 1 and abut against the inner wall of the installation groove to achieve locking, and bolts symmetrically offset from the axis of the rotating shaft 1 are provided at both ends of the rotating shaft 1, and the bolts at both ends respectively pass through the guide grooves at both ends of the second slide seat.

[0017] A pad is also installed on the first adjustment seat, and the first slide is installed on the pad to ensure that the clamping mechanism of the second slide and the second slide end is coaxially arranged with the clamping mechanism of the first slide and the first slide end.

[0018] Among them, the clamping mechanism includes a clamping module one, and a clamping module two and a clamping module three rotatably installed at both ends of the clamping module one. The clamping module two and the clamping module three are respectively aligned and closed with the clamping module to form a positioning hole for clamping and fixing the pipe; it also includes a locking mechanism locked by the clamping module two and the clamping module three.

[0019] Among them, the locking mechanism includes a locking pin installed on the clamping module two, an adjustment handle installed on the clamping module three by rotating the rotating shaft five, and a locking hook installed on the adjustment handle by rotating the rotating shaft six. The locking hook corresponds to the locking pin and is used to lock the clamping module two and clamping module three with the clamping module one.

[0020] Among them, the clamping module 1 includes a clamping seat 1 with an inner arc, a magnet installed in the inner arc groove of the clamping seat 1, a clamp 1 arranged corresponding to the inner arc of the clamping seat 1 and having an outer arc, and an iron block arranged in the outer arc groove of the clamp 1. The clamp 1 is quickly replaced and assembled by magnetic attraction between the iron block in the outer arc groove of the clamp 1 and the magnet in the inner arc groove of the clamping seat 1. The clamp 1 has an inner arc 1 corresponding to the positioning hole; the clamping module 2 is rotatably installed on the clamping module 1 through the rotating shaft 3, and the clamping module 3 is rotatably installed on the clamping module 1 through the rotating shaft 4.

[0021] Among them, the clamping module 2 includes a clamping seat 2, one end of which is rotatably installed on the clamping module 1 through the rotating shaft 3 and the locking pin is installed at the other end of the clamping seat 2, a magnet installed in the inner arc groove of the clamping seat 2, a clamp 2 corresponding to the inner arc of the clamping seat 2 and having an outer arc, and an iron block arranged in the outer arc groove of the clamp 2. The rapid replacement and assembly of the clamp 2 is achieved by magnetic attraction between the iron block in the outer arc groove of the clamp 2 and the magnet in the inner arc groove of the clamp 2. The clamp 2 has an inner arc 2 corresponding to the positioning hole.

[0022] Among them, the clamping module three includes a clamping seat three, one end of which is rotatably installed on the clamping module one through the rotating shaft four, and the rotating shaft five is installed at one end of the clamping seat three corresponding to the locking pin, a magnet installed in the inner arc groove of the clamping seat three, a clamp three corresponding to the inner arc of the clamping seat three and having an outer arc, and an iron block arranged in the outer arc groove of the clamp three. The clamp three is quickly replaced and assembled by magnetic attraction between the iron block in the outer arc groove of the clamp three and the magnet in the inner arc groove of the clamping seat three. The clamp three has an inner arc three corresponding to the positioning hole, and the positioning hole is formed after the inner arc three, inner arc two and inner arc are aligned.

[0023] Among them, the inner surfaces of the inner arc 1, the inner arc 2 and the inner arc 3 are all axially arranged in parallel with arc convex stripes that radially correspond to the tubes.

[0024] Through the above technical solution, when the present invention is used, different temperature parameters can be set according to the different materials of the pipe. When the heating plate is heated to the set temperature, the machine starts to work normally. The entire work process is divided into four steps: ① pipe cutting - ② pipe heating - ③ melting and pressure maintaining - ④ cooling. According to the actual measured length of the pipe and the required length after melting the pipe, the pipe cutting distance is set. The cutter disc will move to the corresponding position according to the set value, and the pipe will be placed and clamped based on the cutter disc position. The cutter disc rotates, the second clamping module moves left, the cutter disc moves left, and the pipe cutting action is completed; after cutting is completed, the second clamping module moves right, the cutter disc withdraws, the heating plate extends and moves left, and the second clamping module moves left so that the plastic pipes at both ends are close to the heating plate and heated evenly; after melting the pipe, the heating plate withdraws, the second clamping module moves left, and the heating parts of the plastic pipes on both sides are coaxially butted and pressed together, and the pressure is maintained according to the set pressure and time parameters; finally, the welded plastic pipe is cooled according to the set time parameters, and the clamping mechanism is released to take out the welded plastic pipe. By adopting the present invention, the entire pipe welding process only requires manual pipe placement and removal, and the remaining actions are controlled by servo, so the welding quality is guaranteed and the consistency is good. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments.

[0026] Figure 1 This is a schematic front view of a welding machine disclosed in an embodiment of the present invention;

[0027] Figure 2 A schematic top view of a welding machine disclosed in an embodiment of the present invention;

[0028] Figure 3 A schematic diagram of the three-dimensional structure of a cutting module disclosed in an embodiment of the present invention;

[0029] Figure 4 A schematic diagram of the three-dimensional structure of a heating module disclosed in an embodiment of the present invention;

[0030] Figure 5 This is a schematic diagram of the main view of the butt welding module disclosed in an embodiment of the present invention;

[0031] Figure 6 A schematic top view of a butt welding module disclosed in an embodiment of the present invention;

[0032] Figure 7 A schematic front view of a second clamping module disclosed in an embodiment of the present invention;

[0033] Figure 8 A schematic top view of the second clamping module disclosed in an embodiment of the present invention;

[0034] Figure 9A left side schematic diagram of a second clamping module disclosed in an embodiment of the present invention;

[0035] Figure 10 for Figure 9 AA-direction cross-sectional view;

[0036] Figure 11 A schematic diagram of a clamping mechanism disclosed in an embodiment of the present invention;

[0037] Figure 12 for Figure 11 Schematic diagram of the cross-section in the BB direction.

[0038] In the figure: 1. Frame; 2. Control panel; 3. Butt welding module; 4. Left and right adjustment support plate; 5. Left and right adjustment guide rail; 6. Fore and aft adjustment support plate; 61. Cutting adjustment guide rail; 62. Heating adjustment guide rail; 7. Cutting module; 71. Slider 1; 72. Cutting support plate; 73. Cutting motor; 74. Reducer; 75. Reducer support plate; 76. Cutter head; 77. Blade; 8. Heating module; 81. Slider 2; 82. Heating support plate; 83. Stop block; 84. Balance bolt assembly; 85. Balance support plate; 86. Heating mounting plate; 87. Heating plate; 88. Insulation plate; 10. Base; 11. Slide rail 1; 20. First adjustment seat; 21. Pad; 22. First slide seat; 221. First slide groove; 23. First slide plate; 231. First adjustment hole; 24. First locking handle; 25. First stopper; 3 0. Second adjustment seat; 31. Second limiter; 32. Third slide; 33. Slide rail 2; 34. Third adjustment seat; 341. Front-to-rear adjustment screw; 342. Up-to-down adjustment screw; 343. Rotating shaft 1; 344. Bolt; 345. Shaft seat; 35. Second slide; 351. Second slide groove; 352. Guide groove; 36. Second slide; 361. Second adjustment hole; 37. Second locking handle; 38. Rotating shaft 2; 40. Clamping mechanism; 41. Clamping seat 1; 411. Rotating shaft 3; 412. Rotating shaft 4; 413. Clamp 1; 42. Clamping seat 2; 421. Clamp 2; 422. Locking pin; 43. Clamping seat 3; 431. Clamp 3; 432. Rotating shaft 5; 44. Adjusting handle; 441. Rotating shaft 6; 442. Locking hook; 45. Positioning hole; 451. Arc convex stripe; 46. Magnet; 47. Iron block. DETAILED DESCRIPTION

[0039] Example 1:

[0040] refer to Figure 1-2The automatic plastic pipe welding machine provided in this embodiment 1 includes a frame 1 provided with a control panel 2, and a butt welding module 3 and a left and right adjustment module automatically controlled by the control panel 2 are horizontally arranged on the top of the frame 1; a cutting module 7 and a heating module 8 automatically controlled by the control panel 2 are slidingly arranged on the left and right adjustment module.

[0041] Among them, the left and right adjustment module includes a left and right adjustment support plate 4 horizontally arranged on the top of the frame 1, and the upper surface of the left and right adjustment support plate 4 is provided with a left and right adjustment guide rail 5, and the left and right adjustment guide rail 5 is slidingly provided with a front and rear adjustment support plate 6 driven by a displacement motor; the cutting module 7 and the heating module 8 are arranged in parallel on the front and rear adjustment support plate 6 and the displacement motor is automatically controlled by the control panel 2 to achieve synchronous left and right movement; the front and rear adjustment support plate 6 is provided with a cutting adjustment guide rail 61 and a heating adjustment guide rail 62, the cutting module 7 is slidably installed on the cutting adjustment guide rail 61 through a slider 1 71 and is automatically controlled to move forward and backward by the control panel 2, and the heating module 8 is slidably installed on the heating adjustment guide rail 62 through a slider 2 81 and is automatically controlled to move forward and backward by the control panel 2; the butt welding module 3 includes a base 10 horizontally installed on the top of the frame 1, and a slide rail 11 is provided on the base 10, and a first clamping module and a second clamping module that slide relatively are provided on the slide rail 11.

[0042] Among them, reference Figure 3 The cutting module 7 includes a cutting support plate 72 installed on the upper side of the slider 71, a cutting motor 73 and a reducer support plate 75 installed on the upper surface of the cutting support plate 72, a reducer 74 driven by the motor and installed between the reducer support plates 75 on both sides through a bearing seat, a cutter disc 76 respectively arranged on the outer sides of the reducer support plates 75 on both sides and synchronously driven by the reducer 74, and a blade 77 arranged on the cutter disc 76.

[0043] Among them, reference Figure 4 The heating module 8 includes a heating support plate 82 installed on the upper side of the slider 81, a limit block 83 arranged at one end of the lower side of the heating support plate 82 and corresponding to the front and rear adjustment support plates 6, a balancing support plate 85 installed on the upper surface of the heating support plate 82 through multiple groups of symmetrically arranged balancing bolt assemblies 84, a heating mounting plate 86 installed on the upper surface of the balancing support plate 85, an insulation plate 88 installed at the end of the heating mounting plate 86, and heating plates 87 symmetrically installed on both sides of the insulation plate 88.

[0044] When this embodiment 1 is in use, different temperature parameters can be set according to the material of the pipe. When the heating plate 87 is heated to the set temperature, the machine starts to work normally. The entire workflow is divided into four steps: ① pipe cutting - ② pipe heating - ③ melting and pressure maintaining - ④ cooling. According to the actual measured length of the pipe and the required length after melting, the pipe cutting distance is set. The cutter disc 76 will move to the corresponding position according to the set value. The clamping mechanism 40 will position the pipe and clamp it at the position of the cutter disc 76. The cutter disc 76 rotates, the second clamping module moves left, the cutter disc 76 moves left, and the blade 77 completes the pipe cutting action. After cutting, the second clamping module moves right, the cutter disc 76 withdraws, the heating plate 87 extends and moves left, and the second clamping module moves left so that the two ends of the plastic pipe are close to the heating plate 87 and are evenly heated. After melting the pipe, the heating plate 87 withdraws, the second clamping module moves left, and the heated parts of the two plastic pipes are coaxially butted and pressed together, and the pressure is maintained according to the set pressure and time parameters. Finally, the plastic pipe after welding is cooled according to the set time parameters, and the clamping mechanism 40 is released to remove the plastic pipe after welding. With the present invention, the entire pipe welding process only requires manual pipe placement and removal, and the remaining actions are controlled by servo, ensuring welding quality and good consistency.

[0045] Example 2:

[0046] Based on Example 1 and with reference to Figure 5-6 The butt welding module provided in this embodiment 2 includes a base 10, a slide rail 11 is provided on the base 10, and a first clamping module and a second clamping module that slide relatively are provided on the slide rail 11.

[0047] Among them, the first clamping module includes a first adjustment seat 20 slidably installed on the slide rail 11, a first slide 22 installed on the first adjustment seat 20, a first slide groove 221 is provided on the upper surface of the first slide 22, a first slide 23 is installed in the first slide groove 221, and a plurality of first adjustment holes 231 are arranged in parallel on the first slide 23 along the sliding direction. The first slide 23 is locked on the first slide 22 by the first locking handle 24 corresponding to the first adjustment holes 231 at different positions; the ends of the first slide 22 and the first slide 23 are fixedly provided with a clamping mechanism 40 corresponding to the second clamping module, and the clamping mechanisms 40 at the ends of the first slide 22 and the first slide 23 are coaxially arranged.

[0048] Among them, the second clamping module includes a second adjustment seat 30 slidably mounted on the slide rail 11, a second slide 35 mounted on the second adjustment seat 30, a second slide groove 351 is provided on the upper surface of the second slide 35, and a second slide 36 is installed in the second slide groove 351. A plurality of second adjustment holes 361 are arranged in parallel along the sliding direction on the first slide 23, and the second slide 36 is locked on the second slide 35 by the second locking handle 37 corresponding to the second adjustment holes 361 at different positions; the ends of the second slide 35 and the second slide 36 are fixedly provided with a clamping mechanism 40 corresponding to the first clamping module, and the clamping mechanisms 40 at the ends of the second slide 35 and the second slide 36 are coaxially arranged and coaxially arranged with the clamping mechanisms 40 at the ends of the first slide 22 and the first slide 23.

[0049] Among them, the first adjustment seat 20 is provided with a first limiter 25 corresponding to the second adjustment seat 30, and the second adjustment seat 30 is provided with a second limiter 31 corresponding to the first limiter 25 to prevent collision; the first adjustment seat 20 is also installed with a pad 21, and the first slide 22 is installed on the pad 21 to ensure that the clamping mechanism 40 at the end of the second slide 35 and the second slide 36 is coaxially arranged with the clamping mechanism 40 at the end of the first slide 22 and the first slide 23.

[0050] When this embodiment 2 is working, the pipes on both sides are clamped and positioned by a pair of horizontal coaxial clamping mechanisms 40 with adjustable spacing. The left and right relative positions of the two clamping mechanisms 40 of the same pipe can be adjusted according to the length of the pipe and locked by a locking handle, which can effectively ensure that the pipes on both sides are horizontal and will not be affected by the weight of the plastic pipe, thereby ensuring the straightness of the plastic pipe welding point and improving the welding effect.

[0051] Example 3:

[0052] Based on Example 2 and with reference to Figure 7-10, a third slide 32 is also installed on the second adjustment seat 30, and a second slide rail 33 is provided on the third slide 32. A third adjustment seat 34 is slidably installed on the second slide rail 33. One end of the second slide 35 is installed on the third adjustment seat 34 through the second rotating shaft 38; a front and rear adjustment screw 341 is threadedly installed on the side of the other end of the third adjustment seat 34, and the other end of the front and rear adjustment screw 341 is fixed to the third slide 32 through the shaft seat 345, so as to drive the third adjustment seat 34 to adjust the horizontal front and rear position along the second slide rail 33; the third adjustment seat 34 The side is also provided with an upper and lower adjustment screw 342 parallel to the front and rear adjustment screws 341. The upper and lower adjustment screws 342 are threadedly connected to the rotating shaft 1 343 arranged parallel to the rotating shaft 2 38. The rotating shaft 1 343 is located in the installation groove inside the third adjustment seat 34 and the upper and lower adjustment screws 342 pass through the rotating shaft 1 343 and abut against the inner wall of the installation groove to achieve locking. The two ends of the rotating shaft 1 343 are symmetrically provided with bolts 344 axially offset from the axis of the rotating shaft 1 343. The bolts 344 at both ends respectively pass through the guide grooves 352 at both ends of the second slide seat 35.

[0053] When this embodiment 3 is working, after adjusting the spacing between the first clamping module and the second clamping module and the relative distance between the left and right pairs of clamping mechanisms 40, the third adjustment seat 34 can be moved forward and backward along the slide rail 2 33 by adjusting the front and rear adjustment screws 341 of the second clamping module, and the upper and lower adjustment screws 342 can be adjusted to drive the rotating shaft 1 343 to swing up and down, thereby driving the bolts 344 at both ends to rotate eccentrically and slide in the guide groove, so that the eccentric rotation of the bolts 344 drives the pair of clamping mechanisms 40 of the second clamping module to rotate around the rotating shaft 2 38 to achieve the effect of fine-tuning the deflection angle, and finally, by adjusting the front and rear positions and deflection angles of the pair of clamping mechanisms 40 of the second clamping module to keep them coaxial with the pair of clamping mechanisms 40 of the first clamping module, the two welded pipes are made coaxial to effectively improve the welding effect.

[0054] Example 4:

[0055] Based on Example 2 or 3 and with reference to Figure 11-12 The clamping mechanism 40 includes a clamping module 1, and a clamping module 2 and a clamping module 3 rotatably installed at both ends of the clamping module 1. The clamping module 2 and the clamping module 3 are respectively aligned and closed with the clamping module to form a positioning hole 45 for clamping and fixing the pipe; it also includes a locking mechanism, which includes a locking pin 422 installed on the clamping module 2, an adjustment handle 44 rotatably installed on the clamping module 3 through the rotating shaft 5 432, and a locking hook 442 rotatably installed on the adjustment handle 44 through the rotating shaft 6 441. The locking hook 442 corresponds to the locking pin 422 to lock the clamping module 2 and the clamping module 3 with the clamping module 1.

[0056] Among them, the clamping module 1 includes a clamping seat 1 41 with an inner arc, a magnet 46 installed in the inner arc groove of the clamping seat 1 41, a clamp 1 413 corresponding to the inner arc of the clamping seat 1 41 and having an outer arc, and an iron block 47 set in the outer arc groove of the clamp 1 413. The clamp 1 413 is quickly replaced and assembled by magnetic attraction between the iron block 47 in the outer arc groove of the clamp 1 413 and the magnet 46 in the inner arc groove of the clamping seat 1 41. The clamp 1 413 has an inner arc 1 corresponding to the positioning hole 45; the clamping module 2 is rotatably installed on the clamping module 1 through the rotating shaft 3 411, and the clamping module 3 is rotatably installed on the clamping module 1 through the rotating shaft 412.

[0057] Among them, the clamping module two includes a clamping seat two 42, one end of which is rotatably installed on the clamping module one through the rotating shaft three 411 and the locking pin 422 is installed at the other end of the clamping seat two 42, a magnet 46 installed in the inner arc groove of the clamping seat two 42, a clamp two 421 corresponding to the inner arc of the clamping seat two 42 and having an outer arc, and an iron block 47 set in the outer arc groove of the clamp two 421. The clamp two 421 is quickly replaced and assembled by magnetic attraction between the iron block 47 in the outer arc groove of the clamp two 421 and the magnet 46 in the inner arc groove of the clamp two 42. The clamp two 421 has an inner arc two corresponding to the positioning hole 45.

[0058] Among them, the clamping module three includes a clamping seat three 43, one end of which is rotatably installed on the clamping module one through the rotating shaft four 412 and the rotating shaft five 432 is installed at one end of the corresponding locking pin 422 of the clamping seat three 43, a magnet 46 installed in the inner arc groove of the clamping seat three 43, a clamp three 431 corresponding to the inner arc of the clamping seat three 43 and having an outer arc, and an iron block 47 set in the outer arc groove of the clamp three 431. The clamp three 431 is quickly replaced and assembled by magnetic attraction between the iron block 47 in the outer arc groove of the clamp three 431 and the magnet 46 in the inner arc groove of the clamp three 43. The clamp three 431 has an inner arc three corresponding to the positioning hole 45. The inner arc three, the inner arc two and the inner arc are aligned to form the positioning hole 45, and the inner surfaces of the inner arc one, the inner arc two and the inner arc three are axially and side by side with arc convex stripes 451 corresponding to the pipe in the radial direction.

[0059] When this embodiment 4 is working, the clamp 1 413, clamp 2 421 and clamp 3 431 with different inner diameters and inner arcs can be replaced according to processing requirements, and the installation method of clamp 1 413, clamp 2 421 and clamp 3 431 relies on the magnetic attraction of the corresponding clamping seat 1 41, clamping seat 2 42 and clamping seat 3 43 to achieve the function of quick mold change; by setting the clamp with an inner arc and by setting arc convex stripes 451 on the inner surface of the inner arc, the contact surface between the clamp and the pipe is larger and the friction force is greater, and the tightness during clamping can be adjusted by the locking mechanism to ensure the clamping effect.

[0060] Various modifications to the above-described embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the present invention is not limited to the embodiments shown herein, but is to be construed in the widest manner consistent with the principles and novel features disclosed herein.

Claims

1. An automatic plastic pipe welding machine, characterized in that: The invention comprises a frame (1) provided with a control panel (2); a butt welding module (3) and a left-right adjustment module automatically controlled by the control panel (2) are horizontally provided on the top of the frame (1); a cutting module (7) and a heating module (8) automatically controlled by the control panel (2) are slidably provided on the left-right adjustment module; The butt welding module (3) includes a base (10) horizontally mounted on the top of the frame (1), a slide rail (11) is provided on the base (10), and a first clamping module and a second clamping module that slide relatively are provided on the slide rail (11); The first clamping module comprises a first adjustment seat (20) slidably mounted on the slide rail (11), a first slide seat (22) mounted on the first adjustment seat (20), a first slide groove (221) being provided on the upper surface of the first slide seat (22), a first slide plate (23) being installed in the first slide groove (221), a plurality of first adjustment holes (231) being arranged in parallel on the first slide plate (23) along the sliding direction, and the first slide plate (23) is locked on the first slide seat (22) by a first locking handle (24) corresponding to the first adjustment holes (231) at different positions; the ends of the first slide seat (22) and the first slide plate (23) are both fixedly provided with a clamping mechanism (40) corresponding to the second clamping module, and the clamping mechanisms (40) at the ends of the first slide seat (22) and the first slide plate (23) are coaxially arranged; The second clamping module comprises a second adjustment seat (30) slidably mounted on the slide rail (11), a second slide seat (35) mounted on the second adjustment seat (30), a second slide groove (351) being provided on the upper surface of the second slide seat (35), a second slide plate (36) being installed in the second slide groove (351), a plurality of second adjustment holes (361) being arranged in parallel along the sliding direction on the first slide plate (23), and the second slide plate (36) being locked on the second slide seat (35) by a second locking handle (37) corresponding to the second adjustment holes (361) at different positions; the ends of the second slide seat (35) and the second slide plate (36) are both fixedly provided with a clamping mechanism (40) corresponding to the first clamping module, and the clamping mechanisms (40) at the ends of the second slide seat (35) and the second slide plate (36) are coaxially arranged and coaxially arranged with the clamping mechanisms (40) at the ends of the first slide seat (22) and the first slide plate (23); The first adjustment seat (20) is provided with a first stopper (25) corresponding to the second adjustment seat (30), and the second adjustment seat (30) is provided with a second stopper (31) corresponding to the first stopper (25); A third slide (32) is also installed on the second adjustment seat (30), and a second slide rail (33) is provided on the third slide (32), and a third adjustment seat (34) is slidably installed on the second slide rail (33), and one end of the second slide (35) is installed on the third adjustment seat (34) through a second rotating shaft (38); a front and rear adjustment screw (341) is threadedly installed on the side of the other end of the third adjustment seat (34), and the other end of the front and rear adjustment screw (341) is fixed on the third slide (32) through an axle seat (345) to drive the third adjustment seat (34) to adjust the horizontal front and rear position along the second slide rail (33); The side of the third adjustment seat (34) is also provided with an upper and lower adjustment screw (342) parallel to the front and rear adjustment screws (341), and the upper and lower adjustment screws (342) are threadedly connected to the rotating shaft one (343) arranged parallel to the rotating shaft two (38), and the rotating shaft one (343) is located in the installation groove inside the third adjustment seat (34) and the upper and lower adjustment screws (342) pass through the rotating shaft one (343) and abut against the inner wall of the installation groove to achieve locking, and the two ends of the rotating shaft one (343) are symmetrically provided with bolts (344) axially offset from the axis of the rotating shaft one (343), and the bolts (344) at both ends respectively pass through the guide grooves (352) at both ends of the second slide seat (35).

2. The automatic plastic pipe welding machine according to claim 1, characterized in that: The left-right adjustment module comprises a left-right adjustment support plate (4) horizontally arranged on the top of the frame (1); a left-right adjustment guide rail (5) is arranged on the upper surface of the left-right adjustment support plate (4); a front-back adjustment support plate (6) driven by a displacement motor is slidably arranged on the left-right adjustment guide rail (5); the cutting module (7) and the heating module (8) are arranged in parallel on the front-back adjustment support plate (6) and the displacement motor is automatically controlled by the control panel (2) to achieve synchronous left-right movement.

3. The automatic plastic pipe welding machine according to claim 2, characterized in that: A cutting adjustment guide rail (61) and a heating adjustment guide rail (62) are arranged in parallel on the front and rear adjustment support plates (6); the cutting module (7) is slidably mounted on the cutting adjustment guide rail (61) via a first slider (71) and is automatically controlled to move forward and backward by the control panel (2); and the heating module (8) is slidably mounted on the heating adjustment guide rail (62) via a second slider (81) and is automatically controlled to move forward and backward by the control panel (2).

4. The automatic plastic pipe welding machine according to claim 3, characterized in that: The cutting module (7) comprises a cutting support plate (72) mounted on the upper side of the slider (71), a cutting motor (73) and a reducer support plate (75) mounted on the upper surface of the cutting support plate (72), a reducer (74) driven by the motor and mounted between the reducer support plates (75) on both sides via a bearing seat, a cutter disc (76) respectively arranged on the outer sides of the reducer support plates (75) on both sides and synchronously driven by the reducer (74), and a blade (77) arranged on the cutter disc (76).

5. The automatic plastic pipe welding machine according to claim 3, characterized in that: The heating module (8) includes a heating support plate (82) mounted on the upper side of the second slider (81), a limit block (83) arranged at one end of the lower side of the heating support plate (82) and corresponding to the front and rear adjustment support plates (6), a balancing support plate (85) mounted on the upper surface of the heating support plate (82) through multiple groups of symmetrically arranged balancing bolt assemblies (84), a heating mounting plate (86) mounted on the upper surface of the balancing support plate (85), a heat insulation plate (88) mounted at the end of the heating mounting plate (86), and heating plates (87) symmetrically mounted on both sides of the heat insulation plate (88).

6. The automatic plastic pipe welding machine according to claim 1, characterized in that: A pad (21) is also installed on the first adjustment seat (20), and the first slide (22) is installed on the pad (21) to ensure that the clamping mechanism (40) at the end of the second slide (35) and the second slide plate (36) is coaxially arranged with the clamping mechanism (40) at the end of the first slide (22) and the first slide plate (23).

7. The automatic plastic pipe welding machine according to claim 1, characterized in that: The clamping mechanism (40) includes a clamping module 1, and a clamping module 2 and a clamping module 3 rotatably mounted at both ends of the clamping module 1, wherein the clamping module 2 and the clamping module 3 are aligned and closed with the clamping module to form a positioning hole (45) for clamping and fixing the pipe; and further includes a locking mechanism for locking the clamping module 2 and the clamping module 3.

8. The automatic plastic pipe welding machine according to claim 7, characterized in that: The locking mechanism includes a locking pin (422) installed on the clamping module two, an adjusting handle (44) installed on the clamping module three and rotating through the rotating shaft five (432), and a locking hook (442) installed on the adjusting handle (44) and rotating through the rotating shaft six (441), wherein the locking hook (442) corresponds to the locking pin (422) and is used to lock the clamping module two and the clamping module three in conjunction with the clamping module one.

9. The automatic plastic pipe welding machine according to claim 8, characterized in that: The clamping module 1 includes a clamping seat 1 (41) having an inner arc, a magnet (46) installed in the inner arc groove of the clamping seat 1 (41), a clamp 1 (413) corresponding to the inner arc of the clamping seat 1 (41) and having an outer arc, and an iron block (47) arranged in the outer arc groove of the clamp 1 (413), the clamp 1 (413) having an inner arc corresponding to the positioning hole (45); the clamping module 2 is rotatably installed on the clamping module 1 through the rotating shaft 3 (411), and the clamping module 3 is rotatably installed on the clamping module 1 through the rotating shaft 4 (412).

10. The automatic plastic pipe welding machine according to claim 9, characterized in that: The clamping module 2 includes a clamping seat 2 (42) which is rotatably mounted on the clamping module 1 through the rotating shaft 3 (411) at one end and the locking pin (422) is mounted on the other end of the clamping seat 2 (42), a magnet (46) mounted in the inner arc groove of the clamping seat 2 (42), a clamp 2 (421) which is arranged corresponding to the inner arc of the clamping seat 2 (42) and has an outer arc, and an iron block (47) arranged in the outer arc groove of the clamp 2 (421), and the clamp 2 (421) has an inner arc 2 corresponding to the positioning hole (45).

11. The automatic plastic pipe welding machine according to claim 10, characterized in that: The clamping module three includes a clamping seat three (43) one end of which is rotatably mounted on the clamping module one through the rotating shaft four (412) and the rotating shaft five (432) is mounted on one end of the clamping seat three (43) corresponding to the locking pin (422), a magnet (46) mounted in the inner arc groove of the clamping seat three (43), a clamp three (431) corresponding to the inner arc of the clamping seat three (43) and having an outer arc, and an iron block (47) arranged in the outer arc groove of the clamp three (431), and the clamp three (431) has an inner arc three corresponding to the positioning hole (45).

12. The automatic plastic pipe welding machine according to claim 11, characterized in that: The inner arc three, the inner arc two and the inner arc are aligned to form the positioning hole (45), and the inner surfaces of the inner arc one, the inner arc two and the inner arc three are all axially arranged in parallel with arc convex stripes (451) corresponding to the tube in the radial direction.

Images