An adjustable plastic pipe butt welding machine

Abstract

The present invention discloses an adjustable plastic pipe butt welding machine, comprising a base, a slide rail 1 being arranged on the base, a first clamping module and a second clamping module being arranged on the slide rail for coaxial relative sliding; the first clamping module comprises at least two coaxially arranged clamping mechanisms, at least one of which is fixedly arranged, and at least one of which is coaxially slidably arranged; the second clamping module comprises at least two coaxially arranged clamping mechanisms, at least one of which is fixedly arranged, and at least one of which is coaxially slidably arranged. When the present invention is in use, the pipes on both sides are clamped and positioned by a pair of horizontally coaxially arranged clamping mechanisms with adjustable spacing, and the left and right relative positions of the two clamping mechanisms of the same pipe can be adjusted according to the length of the pipe, which can effectively ensure that the pipes on both sides are in a horizontal position and will not be affected by the deadweight of the plastic pipe, thereby ensuring the straightness of the plastic pipe welding point and improving the welding effect.

Description

Technical Field

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

[0002] Plastic pipes are widely used in various industries due to their advantages of light weight, easy construction and installation, smooth inner wall, low pressure loss, good air tightness and long service life. Plastic pipes are processed into short pipes of fixed length during production for the convenience of transportation. Then, in actual use, plastic pipe butt welding machines are used to weld the short pipes together into long pipes according to the needs, and the connection between plastic pipes must be strong and the connection must be tightly sealed.

[0003] When the plastic pipe butt welding machine in the prior art is used for plastic pipe welding, since the clamping part is relatively short, when the butt-welded pipe is long, the dead weight of the pipe will cause the suspended part of the pipe to sag, causing the entire pipe to be in a tilted state. After welding, the straightness of the two pipes is poor and the welding effect is poor. Summary of the invention

[0004] In order to solve the above technical problems, the present invention provides an adjustable plastic pipe butt welding machine to solve the problem of poor straightness of the welding point of the plastic pipe butt welding machine in the prior art.

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

[0006] An adjustable plastic pipe butt welding machine comprises a base, a first slide rail is arranged on the base, and a first clamping module and a second clamping module that slide relatively are arranged on the first slide rail;

[0007] The first clamping module comprises at least two coaxially arranged clamping mechanisms, at least one of which is fixedly arranged, and at least one of which is coaxially slidably arranged;

[0008] The second clamping module comprises at least two coaxially arranged clamping mechanisms, at least one of which is fixedly arranged, and at least one of which is coaxially slidably arranged;

[0009] The clamping mechanism provided on the first clamping module is coaxially arranged with the clamping mechanism provided on the second clamping module.

[0010] Through the above technical scheme, the present invention clamps and positions the pipes on both sides through a pair of horizontally coaxially arranged clamping mechanisms with adjustable spacing, and the left and right relative positions of the two clamping mechanisms of the same pipe can be adjusted according to the length of the pipe, which can effectively ensure that the pipes on both sides are horizontal and will not be affected by the deadweight of the plastic pipe, thereby ensuring the straightness of the plastic pipe welding point and improving the welding effect.

[0011] Among them, the first clamping module also includes a first adjustment seat slidably mounted on the slide rail, a first slide seat mounted on the first adjustment seat, a first slide groove is arranged on the upper surface of the first slide seat, a first slide plate is installed in the first slide groove, and a plurality of first adjustment holes are arranged in parallel along the sliding direction on the first slide plate, and the first slide plate is locked on the first slide seat by a first locking handle corresponding to the first adjustment holes at different positions; the ends of the first slide seat and the first slide plate are fixedly provided with clamping mechanisms corresponding to the second clamping module, and the clamping mechanisms at the ends of the first slide seat and the first slide plate are coaxially arranged.

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

[0013] 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.

[0014] Among them, a third slide is also installed on the second adjustment seat, a slide rail 2 is provided on the third slide, and the third adjustment seat is slidably installed on the slide rail 2, and one end of the second slide is installed on the third adjustment seat through a 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.

[0015] 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 with a 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 axially offset from the axis of the rotating shaft 1 are symmetrically arranged 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.

[0016] 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.

[0017] 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, and 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 for locking the clamping module two and the clamping module three.

[0018] 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 through a rotating shaft five, and a locking hook installed on the adjustment handle by rotating through a rotating shaft six, and the locking hook corresponds to the locking pin to lock the clamping module two and the clamping module three in conjunction with the clamping module one.

[0019] 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, and 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, and 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 via a rotating shaft 3, and the clamping module 3 is rotatably installed on the clamping module 1 via a rotating shaft 4.

[0020] 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 which is arranged corresponding to the inner arc of the clamping seat 2 and has 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.

[0021] 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, and 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 clamp three, and the clamp three has an inner arc three corresponding to the positioning hole, and the positioning hole is formed after the inner arc three, the inner arc two and the inner arc are aligned.

[0022] Among them, 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 corresponding to the pipe in the radial direction, so as to achieve stable clamping of the pipe through anti-slip settings. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for describing the embodiments are briefly introduced below.

[0024] Figure 1 It is a schematic diagram of the main view of the butt welding machine disclosed in the embodiment of the present invention;

[0025] Figure 2 A schematic top view of a butt welding machine disclosed in an embodiment of the present invention;

[0026] Figure 3 A schematic front view of a second clamping module disclosed in an embodiment of the present invention;

[0027] Figure 4 A schematic top view of a second clamping module disclosed in an embodiment of the present invention;

[0028] Figure 5 It is a left side schematic diagram of the second clamping module disclosed in the embodiment of the present invention;

[0029] Figure 6 for Figure 5 AA section view;

[0030] Figure 7 A schematic diagram of a clamping mechanism disclosed in an embodiment of the present invention;

[0031] Figure 8 for Figure 7 Schematic diagram of the cross-section along the BB axis.

[0032] In the figure: 10. base; 11. slide rail 1; 20. first adjustment seat; 21. pad; 22. first slide seat; 221. first slide slot; 23. first slide plate; 231. first adjustment hole; 24. first locking handle; 25. first stopper; 30. second adjustment seat; 31. second stopper; 32. third slide seat; 33. slide rail 2; 34. third adjustment seat; 341. front and rear adjustment screw; 342. up and down adjustment screw; 343. rotating shaft 1; 344. bolt; 345. shaft seat; 35. second slide seat; 351. second slide Slot; 352. Guide slot; 36. Second slide plate; 361. Second adjustment hole; 37. Second locking handle; 38. Second shaft; 40. Clamping mechanism; 41. Clamping seat one; 411. Second shaft; 412. Second shaft; 413. Clamp one; 42. Clamp two; 421. Clamp two; 422. Locking pin; 43. Clamp three; 431. Clamp three; 432. Second shaft; 44. Adjustment handle; 441. Second shaft; 442. Locking hook; 45. Positioning hole; 451. Circular arc convex stripe; 46. Magnet; 47. Iron block. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0034] Embodiment 1:

[0035] refer to Figure 1-2 The adjustable plastic pipe butt welding machine provided in this embodiment 1 includes a base 10, on which a slide rail 11 is arranged, and on the slide rail 11 a first clamping module and a second clamping module that slide relatively are arranged.

[0036] 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 arranged on the upper surface of the first slide 22, a first slide plate 23 is installed in the first slide groove 221, and a plurality of first adjustment holes 231 are arranged in parallel along the sliding direction on the first slide plate 23. The first slide plate 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.

[0037] Among them, the second clamping module includes a second adjustment seat 30 slidably installed on the slide rail 11, a second slide 35 installed on the second adjustment seat 30, a second slide groove 351 is arranged on the upper surface of the second slide 35, a second slide plate 36 is installed in the second slide groove 351, and a plurality of second adjustment holes 361 are arranged in parallel along the sliding direction on the first slide plate 23, and the second slide plate 36 is locked on the second slide plate 35 by the second locking handle 37 corresponding to the second adjustment holes 361 at different positions; the ends of the second slide plate 35 and the second slide plate 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 plate 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 plate 22 and the first slide plate 23.

[0038] 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 equipped 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.

[0039] When this embodiment 1 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 deadweight of the plastic pipe, thereby ensuring the straightness of the plastic pipe welding point and improving the welding effect.

[0040] Embodiment 2:

[0041] Based on Example 1 and with reference to Figure 3-6A 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 on 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 of the 340 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 a rotating shaft 1 343 arranged parallel to the rotating shaft 2 38. The rotating shaft 1 343 is located in the mounting 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 mounting groove to achieve locking. Bolts 344 axially offset from the axis of the rotating shaft 1 343 are symmetrically provided at both ends of the rotating shaft 1 343, and the bolts 344 at both ends respectively pass through the guide grooves 352 at both ends of the second slide seat 35.

[0042] When the present embodiment 2 is working, after adjusting the spacing between the first clamping module and the second clamping module and the relative distance between the two pairs of clamping mechanisms 40 on the left and right, 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 shaft 1 343 can be driven to swing up and down by adjusting the upper and lower adjustment screws 342, 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 shaft 2 38 to achieve the effect of fine-tuning the deflection angle, and finally, by adjusting the front and rear positions and the deflection angle 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 pipes to be welded are made coaxial to effectively improve the welding effect.

[0043] Embodiment 3:

[0044] Based on Example 1 or 2 and with reference to Figure 7-8 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 1 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 adjusting handle 44 rotatably installed on the clamping module 3 through a rotating shaft 5 432, and a locking hook 442 rotatably installed on the adjusting handle 44 through a rotating shaft 6 441, and 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.

[0045] Among them, the clamping module 1 includes a clamping seat 41 with an inner arc, a magnet 46 installed in the inner arc groove of the clamping seat 41, a clamp 413 arranged corresponding to the inner arc of the clamping seat 41 and having an outer arc, and an iron block 47 arranged in the outer arc groove of the clamp 413. The clamp 413 is quickly replaced and assembled by magnetic attraction between the iron block 47 in the outer arc groove of the clamp 413 and the magnet 46 in the inner arc groove of the clamping seat 41. The clamp 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.

[0046] Among them, the clamping module 2 includes a clamping seat 2 42 which is rotatably installed on the clamping module 1 through a rotating shaft 3 411 at one end and a locking pin 422 is installed at the other end of the clamping seat 2 42, a magnet 46 installed 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. The rapid replacement and assembly of the clamp 2 421 is achieved by magnetic attraction between the iron block 47 in the outer arc groove of the clamp 2 421 and the magnet 46 in the inner arc groove of the clamp 2 42. The clamp 2 421 has an inner arc 2 corresponding to the positioning hole 45.

[0047] 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 a rotating shaft four 412 and the rotating shaft five 432 is installed on 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 positioning hole 45 is formed after the inner arc three, the inner arc two and the inner arc are aligned, and the inner surfaces of the inner arc one, the inner arc two and the inner arc three are axially arranged in parallel with arc convex stripes 451 corresponding to the pipe in a radial direction.

[0048] When this embodiment 3 is working, the clamp 1 413, the clamp 2 421 and the clamp 3 431 with different inner diameters and inner arcs can be replaced according to processing requirements, and the installation method of the clamp 1 413, the clamp 2 421 and the clamp 3 431 relies on the magnetic attraction of the corresponding clamping seat 1 41, the clamping seat 2 42 and the clamping seat 3 43 to achieve the function of rapid 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.

[0049] The above description of the disclosed embodiments enables one skilled in the art to implement or use the present invention. Various modifications to the above embodiments will be apparent to one 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 present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but rather to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An adjustable plastic pipe butt welding machine, characterized in that: It comprises a base (10), the base (10) is provided with a slide rail (11), and the slide rail (11) is provided with a first clamping module and a second clamping module which slide relatively. The first clamping module comprises at least two coaxially arranged clamping mechanisms (40), at least one of the clamping mechanisms (40) is fixedly arranged, and at least one of the clamping mechanisms (40) is coaxially slidably arranged; The second clamping module comprises at least two coaxially arranged clamping mechanisms (40), at least one of the clamping mechanisms (40) is fixedly arranged, and at least one of the clamping mechanisms (40) is coaxially slidably arranged; The clamping mechanism (40) provided on the first clamping module is coaxially arranged with the clamping mechanism (40) provided on the second clamping module; The first clamping module also includes 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 arranged 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 along the sliding direction on the first slide plate (23), 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; at least one of the clamping mechanisms (40) is fixedly arranged at the end of the first slide seat (22), and at least one of the clamping mechanisms (40) is coaxially slidably arranged at the end of the first slide plate (23); The second clamping module also includes 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 arranged 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; at least one of the clamping mechanisms (40) is fixedly arranged at the end of the second slide seat (35), and at least one of the clamping mechanisms (40) is coaxially slidably arranged at the end of the second slide plate (36); 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 seat (32) is also installed on the second adjustment seat (30), and a second slide rail (33) is provided on the third slide seat (32). A third adjustment seat (34) is slidably installed on the second slide rail (33). One end of the second slide seat (35) is installed on the third adjustment seat (34) through a second rotating shaft (38); a front and rear adjustment screw rod (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 rod (341) is fixed on the third slide seat (32) through a shaft seat (345) so as to drive the third adjustment seat (34) to adjust its 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 with a rotating shaft (343) arranged parallel to the rotating shaft (38), and the rotating shaft (343) is located in a mounting groove inside the third adjustment seat (34) and the upper and lower adjustment screws (342) pass through the rotating shaft (343) and abut against the inner wall of the mounting groove to achieve locking, and bolts (344) axially offset from the axis of the rotating shaft (343) are symmetrically provided at both ends of the rotating shaft (343), and the bolts (344) at both ends respectively pass through the guide grooves (352) at both ends of the second slide seat (35); The clamping mechanism (40) comprises 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 comprises a locking mechanism for locking the clamping module 2 and the clamping module 3; The locking mechanism comprises a locking pin (422) mounted on the clamping module two, an adjusting handle (44) mounted on the clamping module three and rotating through a rotating shaft five (432), and a locking hook (442) mounted on the adjusting handle (44) and rotating through a 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 cooperation with the clamping module one; The clamping module 1 comprises 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) arranged 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), wherein the clamp 1 (413) can be 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), and 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 via a rotating shaft 3 (411), and the clamping module 3 is rotatably installed on the clamping module 1 via a rotating shaft 4 (412); The clamping module 2 comprises a clamping seat 2 (42) which is rotatably mounted on the clamping module 1 via 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 an 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), wherein the clamp 2 (421) can be quickly replaced and assembled by magnetic attraction between the iron block (47) in the outer arc groove of the clamp 2 (421) and the magnet (46) in the inner arc groove of the clamp 2 (42), and the clamp 2 (421) has an inner arc 2 corresponding to the positioning hole (45); The clamping module three comprises 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) arranged corresponding to the inner arc of the clamping seat three (43) and having an outer arc, and a clamp arranged on the clamp The iron block (47) in the outer arc groove of the clamp three (431) is magnetically attracted to the magnet (46) in the inner arc groove of the clamp seat three (43) to realize the quick replacement and assembly of the clamp three (431). 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).

2. The adjustable plastic pipe butt 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 seat (22) is installed on the pad (21) to ensure that the clamping mechanism (40) at the end of the second slide seat (35) and the second slide plate (36) is coaxially arranged with the clamping mechanism (40) at the end of the first slide seat (22) and the first slide plate (23).

3. The adjustable plastic pipe butt welding machine according to claim 1, characterized in that: 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 (451) corresponding to the tube in the radial direction.

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