PE pipe fitting spin fusion welding equipment

Abstract

The utility model discloses rotary fusion welding equipment for PE pipe fittings. The rotary fusion welding equipment comprises a workbench, a rotating assembly, a transverse moving assembly, a longitudinal moving assembly and a clamping assembly. The clamping assembly comprises a first clamping piece and a second clamping piece, the first clamping piece is connected with the top face of the transverse moving assembly, and the second clamping piece is connected with the longitudinal moving assembly. A first clamping groove and a second clamping groove are formed in the top end of the first clamping piece, and the first clamping groove and the second clamping groove are arranged in a crossed mode; a third clamping groove and a fourth clamping groove are formed in the bottom end of the second clamping piece, and the third clamping groove and the fourth clamping groove are arranged in a cross shape. According to the utility model, the rotary fusion welding of the pipe fitting and the connecting end can be realized, the processing procedure of threads is omitted, and the production and assembly efficiency is higher. The first clamping piece and the second clamping piece have excellent compatibility performance, and can conveniently and stably clamp the three-way pipe fitting and the four-way pipe fitting, so that excellent functional reliability and feeding and discharging speed are achieved, and the assembly efficiency is further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of spin fusion welding, specifically relates to a PE pipe fitting spin fusion welding equipment. BACKGROUND

[0002] The spliced pipe is often used in the drip irrigation system, so as to realize the needs of turning and the like, and to realize flexible layout.

[0003] The spliced pipe is often used in the drip irrigation system, so as to realize the needs of turning and the like, and to realize flexible layout.

[0004] In the traditional technology, the pipe fitting and the connecting end head are connected through threads, that is, threads are formed on the outer surface of the pipe fitting end and the inner surface of the connecting end head; compared with the outer thread of the pipe fitting, the inner thread of the connecting end head is more difficult to form and has low efficiency (for example, a threaded core is used to form the inner thread, and the core or the connecting end head needs to be rotated out after cooling). SUMMARY

[0005] In order to overcome the problem of low production efficiency caused by the thread connection between the pipe fitting and the connecting end head in the background art, the utility model provides a PE pipe fitting spin fusion welding equipment, which eliminates the thread forming process and directly uses friction welding to seal and fixedly connect the pipe fitting and the connecting end head.

[0006] The utility model solves the above technical problems by adopting the following technical scheme:

[0007] A PE pipe fitting spin fusion welding equipment, comprising a workbench, a rotating assembly, a horizontal moving assembly, a vertical moving assembly and a clamping assembly; the rotating assembly is fixedly installed at one end of the workbench, and the horizontal moving assembly is installed at the other end of the workbench; the vertical moving assembly is installed on the top surface of the horizontal moving assembly; the clamping assembly comprises a first clamping piece and a second clamping piece located above the first clamping piece, the first clamping piece is connected with the top surface of the horizontal moving assembly, and the second clamping piece is connected with the vertical moving assembly; the vertical moving assembly can drive the second clamping piece to reciprocatingly move up and down; the top end of the first clamping piece is provided with a first clamping groove and a second clamping groove for clamping the pipe fitting, and the first clamping groove and the second clamping groove are cross-shaped and arranged in a cross shape; the bottom end of the second clamping piece is provided with a third clamping groove and a fourth clamping groove for clamping the pipe fitting, and the third clamping groove and the fourth clamping groove are cross-shaped and arranged in a cross shape.

[0008] As a further optimization scheme of the utility model, the first clamping groove is horizontally arranged, and the cross section of the first clamping groove is semicircular; the second clamping groove is horizontally arranged, and the cross section of the second clamping groove is semicircular; the axis of the second clamping groove points to the rotating assembly; and the axis of the second clamping groove is vertically arranged with the axis of the first clamping groove.

[0009] As a further optimization scheme of the utility model, the third clamping groove is horizontally arranged and can be matched and buckled with the first clamping groove to form a circular groove structure; and the fourth clamping groove is horizontally arranged and can be matched and buckled with the second clamping groove to form a circular groove structure.

[0010] As a further optimization scheme of the utility model, the second clamping groove is provided with a straight groove along the axial direction at the bottom.

[0011] As a further optimization scheme of the utility model, the clamping assembly further comprises a support member which is installed at the side wall of the first clamping member and is height-adjustable, and an adjusting screw for installing the support member.

[0012] As a further optimization scheme of the utility model, the support member is in the form of a T-shaped plate structure.

[0013] As a further optimization scheme of the utility model, the top surface of the support member is provided with an arc surface; the side wall of the first clamping member close to the rotating assembly is provided with an installation groove, and the installation groove is provided with a first screw hole; the bottom end of the support member is arranged in the installation groove, and the bottom end of the support member is provided with a strip-shaped hole matched with the first screw hole; the adjusting screw is arranged through the strip-shaped hole and is detachably connected with the first screw.

[0014] As a further optimization scheme of the utility model, the installation groove and the straight groove are vertically arranged and are in communication with each other.

[0015] As a further optimization scheme of the utility model, the bottom surface of the straight groove away from the installation groove is provided with a second screw hole, and a vertical rod is detachably installed in the second screw hole.

[0016] As a further optimization scheme of the utility model, the rotating assembly comprises a rotating motor and a first housing arranged at the outer periphery of the rotating motor.

[0017] The transverse moving assembly comprises a second cover, a first vertical plate, a second vertical plate, a first linear driver and a slide rail structure; the second cover is a bottomless square shell structure, the first vertical plate is arranged at the top position of the inner cavity of the second cover and is fixedly connected with the second cover; the second vertical plate is fixedly installed at the edge position of the top surface of the workbench away from the rotating assembly, and is arranged in the inner cavity of the second cover; the shell of the first linear driver is fixedly connected with the side wall of the second vertical plate, the output shaft of the first linear driver is insertedly arranged with the first through hole on the second vertical plate, and the output shaft of the first linear driver is fixedly connected with the first vertical plate; the second cover is arranged on the workbench and is connected with the upper surface of the workbench through the slide rail structure.

[0018] In summary, the utility model has the advantages that:

[0019] The utility model discloses a pipe fitting and the spin melt welding of connecting end, save the processing procedure of thread, have higher production assembly efficiency. The first clamping piece and the second clamping piece have excellent compatibility, can conveniently and stably hold three -way pipe fittings, four -way pipe fittings, thereby have excellent function reliability and feeding and discharging speed, further improve assembly efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0020] The application will be further described below in conjunction with the drawings:

[0021] Figure 1 It is the whole structure schematic diagram of the utility model;

[0022] Figure 2 It is the first clamping piece structure schematic diagram;

[0023] Figure 3 It is the second clamping piece structure schematic diagram;

[0024] Figure 4 It is the support piece structure schematic diagram;

[0025] Figure 5 It is the position and structure schematic diagram of straight groove and second screw hole;

[0026] Figure 6 It is the installation position schematic diagram of vertical rod;

[0027] Figure 7 It is the vertical section front view structure schematic diagram of rotating assembly and transverse moving assembly;

[0028] Figure 8 It is the vertical section side view structure schematic diagram of sliding block and slide rail;

[0029] Figure 9 It is the telescopic cover installation position schematic diagram;

[0030] Figure 10 Figure 1 is a schematic view of the installation state of the pipe and the connecting end head;

[0031] Figure 11 Figure 2 is a schematic view of the longitudinal movement assembly structure;

[0032] Figure 12 Figure 3 is a schematic view of the claw structure.

[0033] Legend of reference signs:

[0034] In the drawings,

[0035] 1, workbench;

[0036] 2, rotating assembly; 21, rotating motor; 211, claw; 2111, clamping finger; 22, first cover; 221, plug-in hole; 222, fourth through hole;

[0037] 3, horizontal movement assembly; 31, second cover; 32, first vertical plate; 33, second vertical plate; 34, first linear driver; 35, slide rail; 36, sliding block; 37, telescopic cover;

[0038] 4, longitudinal movement assembly; 41, support arm; 42, second linear driver;

[0039] 5, clamping assembly; 51, first clamping piece; 5101, sharp corner; 511, first clamping groove; 512, second clamping groove; 513, straight groove; 5131, second screw hole; 5132, vertical rod; 514, mounting groove; 515, first screw hole; 52, second clamping piece; 521, third clamping groove; 522, fourth clamping groove; 53, support piece; 531, arc surface; 532, strip-shaped hole; 533, recessed groove;

[0040] 6, pipe;

[0041] 7, connecting end head; 71, clamping groove. DETAILED DESCRIPTION

[0042] According to the above structural features of the present application, the embodiments of the present application are further described as follows:

[0043] With reference to Figure 1 , the present embodiment provides a PE pipe spinning welding device, which comprises a workbench 1, a rotating assembly 2, a horizontal movement assembly 3, a longitudinal movement assembly 4 and a clamping assembly 5. The workbench 1 is used to play a structural support function, the rotating assembly 2 is used to rotate the connecting end head 7, the longitudinal movement assembly 4 is used to drive the clamping assembly 5 to clamp the pipe 6, and the horizontal movement assembly 3 drives the pipe 6 and the connecting end head 7 to approach each other, so as to realize the contact, frictional heating and spinning welding of the connecting end head 7 and the pipe 6.

[0044] With reference to Figure 1The rotating assembly 2 is fixedly installed at one end of the workbench 1, and the transverse moving assembly 3 is installed at the other end of the workbench 1; the longitudinal moving assembly 4 is installed on the top surface of the transverse moving assembly 3.

[0045] With reference to Figure 1 With Figure 2 The clamping assembly 5 comprises a first clamping piece 51 and a second clamping piece 52 located above the first clamping piece 51, the first clamping piece 51 is connected with the top surface of the transverse moving assembly 3, and the second clamping piece 52 is connected with the longitudinal moving assembly 4; the longitudinal moving assembly 4 can drive the second clamping piece 52 to reciprocatingly move up and down, thereby realizing clamping or loosening of the pipe fitting 6.

[0046] With reference to Figure 2 , Figure 3 With Figure 10 The first clamping piece 51 is provided with a first clamping groove 511 and a second clamping groove 512 at the top end thereof, the first clamping groove 511 and the second clamping groove 512 are cross-shaped and are arranged in cross, and are used for clamping the tee pipe fitting 6 or the four-way pipe fitting 6; the second clamping piece 52 is provided with a third clamping groove 521 and a fourth clamping groove 522 at the bottom end thereof, the third clamping groove 521 and the fourth clamping groove 522 are cross-shaped and are arranged in cross, and are used for clamping the tee pipe fitting 6 or the four-way pipe fitting 6.

[0047] With reference to Figure 2 With Figure 10 The first clamping groove 511 is horizontally arranged, and the cross section of the first clamping groove 511 is semicircular; the second clamping groove 512 is horizontally arranged, and the cross section of the second clamping groove 512 is semicircular; the axis of the second clamping groove 512 points to the rotating assembly 2; the axis of the second clamping groove 512 is arranged perpendicularly to the axis of the first clamping groove 511. The cross section of the third clamping groove 521 is semicircular, the cross section of the fourth clamping groove 522 is semicircular, the third clamping groove 521 is horizontally arranged and can be adapted to be buckled with the first clamping groove 511 to form a circular groove structure, thereby realizing buckling and clamping of the branch part of the pipe fitting 6; the fourth clamping groove 522 is horizontally arranged and can be adapted to be buckled with the second clamping groove 512 to form a circular groove structure, thereby realizing buckling and clamping of the branch part of the pipe fitting 6 (the cross section of the branch part of the pipe fitting 6 is circular).

[0048] With reference to Figure 2 The junction line of the first clamping groove 511 and the second clamping groove 512 is convex. The bottom of the second clamping groove 512 is provided with a straight groove 513 along the axial direction, and the straight groove 513 is used for removing the meeting point of the junction line of the first clamping groove 511 and the second clamping groove 512, so that the position below loses support, thereby facilitating stable clamping of the pipe fitting 6 (the pipe fitting 6 has elasticity, the bottom surface of the pipe fitting 6 is abutted by the top end of the two side walls of the straight groove 513 and is slightly depressed, so that the pipe fitting 6 is difficult to swing during rotary melting and is always in a collinear state with the axis of the second clamping groove 512).

[0049] Referring to Figure 2 With Figure 4 , the clamping assembly 5 further comprises a support 53 installed at the side wall of the first clamping piece 51 and adjustable in height, and an adjusting screw for installing the support 53. The support 53 is in the shape of a T-shaped plate. The top surface of the support 53 is provided with an arc surface 531 for supporting the bottom surface of the front end of the pipe 6. The first clamping piece 51 is provided with a mounting groove 514 near the side wall of the rotating assembly 2, and the mounting groove 514 is provided with a first screw hole 515; the bottom end of the support 53 is placed in the mounting groove 514, and the bottom end of the side wall of the support 53 is adapted to fit the side wall of the mounting groove 514. The support 53 is adjusted in height by sliding it up and down after loosening the first screw, and then the first screw is tightened; the support 53 at different heights is used to cooperate with the second clamping piece 52 to clamp and fix pipe 6 of different diameters.

[0050] Referring to Figure 4 , the bottom end of the support 53 is provided with a recessed groove 533 for accommodating the head of the first screw, thereby improving the regularity of the appearance of the clamping assembly 5.

[0051] Referring to Figure 2 With Figure 3 , the top end of the first clamping piece 51 is provided with a rounded structure at the tip of the sharp corner 5101, and the bottom end of the second clamping piece 52 is also provided with a rounded structure at the tip of the sharp corner 5101, thereby reducing the length of the sharp corner 5101 to avoid damage caused by the mutual collision of the upper and lower sharp corners 5101 when the second clamping piece 52 is lowered.

[0052] The mounting groove 514 is vertically arranged with the straight groove 513 and is in communication with each other.

[0053] Referring to Figure 5 With Figure 6 , the bottom surface of the straight groove 513 is provided with a second screw hole 5131 at the end away from the mounting groove 514, and a vertical rod 5132 is detachably installed in the second screw hole 5131. When the tee pipe 6 is being welded, the two side branches of the tee pipe 6 are arranged in the first clamping groove 511, and the middle branch is arranged in the second clamping groove 512. The vertical rod 5132 can exert a supporting force on the rear side wall of the position where the tee pipe 6 lacks a branch, thereby avoiding the tee pipe 6 from being pushed out from the rear side by the connecting end 7.

[0054] Referring to Figure 7, the rotating assembly 2 comprises a rotating motor 21 and a first cover 22 arranged at the outer periphery of the rotating motor 21; the first cover 22 is in the form of a square shell without bottom, and the bottom edge of the first cover 22 is fixedly connected (for example, fixedly connected by bolts) with the workbench 1. The first cover 22 is used for preventing the debris generated by bottom friction from splashing into the rotating motor 21, thereby protecting the rotating motor 21 and improving the service life of the utility model.

[0055] With reference to Figure 7 , the horizontal moving assembly 3 comprises a second cover 31, a first vertical plate 32, a second vertical plate 33, a first linear driver 34 and a slide rail structure; the second cover 31 is in the form of a square shell without bottom, the first vertical plate 32 is arranged at the top position in the inner cavity of the second cover 31 and is fixedly connected (for example, fixedly connected by bolts) with the second cover 31; the second vertical plate 33 is fixedly installed at the edge position of the top surface of the workbench 1 away from the rotating assembly 2 (for example, fixedly connected by bolts), and the second vertical plate 33 is arranged in the inner cavity of the second cover 31; the first vertical plate 32 is arranged in parallel with the second vertical plate 33. The housing of the first linear driver 34 is fixedly connected (for example, fixedly connected by bolts) with the side wall of the second vertical plate 33, the output shaft of the first linear driver 34 is insertedly arranged with the first through hole on the second vertical plate 33, and the output shaft of the first linear driver 34 is fixedly connected (for example, fixedly connected by bolts) with the first vertical plate 32; the second cover 31 is arranged on the workbench 1 and is connected with the upper surface of the workbench 1 through the slide rail structure. The first linear driver 34 can drive the first vertical plate 32, the second cover 31, the longitudinal moving assembly 4 and the horizontal moving assembly 3 to reciprocatingly move along the axial direction of the output shaft of the rotating motor 21, so as to realize the mutual approaching or moving away of the pipe fitting 6 and the connecting assembly.

[0056] With reference to Figure 8 , the slide rail structure comprises a slide block 36 and a slide rail 35, the cross section of the slide block 36 is in the form of C, the cross section of the slide rail 35 is in the form of a gourd, and the slide block 36 is buckled on the slide rail 35 to avoid falling off; the slide block 36 can reciprocatingly slide along the length direction of the slide rail 35. The slide block 36 and the slide rail 35 are both arranged in the inner cavity of the second cover 31, the slide block 36 is fixedly connected with the inner wall of the side wall of the second cover 31 by bolts, and the slide rail 35 is fixedly connected with the upper surface of the mounting table by bolts.

[0057] With reference to Figure 7 and Figure 9The first opening structure is provided on the end of the second cover 31 close to the rotating assembly 2. During installation, the first vertical plate 32 is fixedly connected with the second cover 31, then the second cover 31 is buckled on the workbench 1, and then the screwdriver can be inserted into the inner cavity of the second cover 31 through the first opening structure to tighten the second bolt for connecting the first vertical plate 32 and the output shaft of the first linear driver 34. The second through hole is provided in the middle of the first vertical plate 32 for the second bolt, and the screw hole matched with the second bolt is provided on the end face of the output shaft of the first linear driver 34. After the installation of the transverse assembly 3 is completed, the installation of the rotating assembly 2 is performed, so that the problem that the first opening structure is blocked by the early installation of the rotating assembly 2 is avoided.

[0058] Referring to Figure 7 , the first cover 22 is provided with a plug-in hole 221 at the bottom end of the side wall close to the transverse assembly 3, and the end of the second cover 31 is plugged into the plug-in hole 221, so as to block the end of the second cover 31 close to the rotating assembly 2, so as to avoid the contact between the slider 36 and the slide rail 35 due to the falling debris of the pipe 6, and ensure that the slide rail 35 assembly is not stuck.

[0059] Referring to Figure 9 , the end of the second cover 31 close to the rotating assembly 2 is connected with the first cover 22 through the telescopic cover 37, and the telescopic cover 37 is an elastic corrugated plate (for example, a plastic corrugated plate) with an n-shaped cross section, so as to block the end of the second cover 31 close to the rotating assembly 2, so as to avoid the contact between the slider 36 and the slide rail 35 due to the falling debris of the pipe 6, and ensure that the slide rail 35 assembly is not stuck.

[0060] Referring to Figure 1 , Figure 9 and Figure 11 , the longitudinal assembly 4 includes a support arm 41 and a second linear driver 42. The support arm 41 is in a 7-shaped structure. The bottom end of the support arm 41 is fixedly connected with the second cover 31 of the transverse assembly 3 through a bolt and a reinforcing rib. The housing of the second linear driver 42 is fixedly connected with the top end of the support arm 41. The output shaft of the second linear driver 42 is fixedly connected (for example, through a bolt) with the second clamping piece 52 after penetrating through the third through hole on the support arm 41. The second linear driver 42 is used to drive the second clamping piece 52 to move longitudinally.

[0061] Referring to Figure 7 and Figure 12 , the output shaft of the rotating motor 21 is detachably provided with a claw 211 through a bolt. The claw 211 is used to clamp the connection end 7 and apply torque to the connection end 7. The fourth through hole 222 for accommodating the claw 211 is formed in the first cover 22, and the claw 211 can be extended out of the first cover 22 through the fourth through hole 222. Referring to Figure 10 and Figure 12The claw 211 is in a cylindrical structure with one end open and the other end closed, and a clamping finger 2111 extending outward is fixedly connected to the side wall of the open end of the claw 211, and the clamping finger 2111 is integrally fixed with the claw 211. A clamping groove 71 adapted to the clamping finger 2111 is formed on the connecting end head 7; in use, the user inserts the connecting end head 7 away from the pipe 6 into the inner cavity of the claw 211, and the clamping finger 2111 is clamped into the clamping groove 71, so that when the rotating motor 21 rotates, the torque can be transmitted to the connecting end head 7 through the clamping finger 2111.

[0062] The first linear driver 34 and the second linear driver 42 are electric push rods, pneumatic push rods, hydraulic push rods or combinations thereof (for example, electro-hydraulic push rods).

[0063] The pipe 6 and the connecting end head 7 are made of polyethylene (PE), so as to have excellent spin-melting property.

[0064] The utility model also includes an electrical cabinet, which is fixedly installed at the bottom of the inner cavity of the workbench 1 by bolts; the rotating motor 21, the first linear driver 34 and the second linear driver 42 are respectively connected with the electrical cabinet by wires and signal lines; the electrical cabinet is connected with an external power supply and an external computer by wires and signal lines, and the computer controls the start and stop of the rotating motor 21, the first linear driver 34 and the second linear driver 42 in the utility model through the electrical cabinet.

[0065] The utility model can realize spin-melting welding of the pipe 6 and the connecting end head 7, saves the processing procedure of threads, has higher production and assembly efficiency (the traditional thread connection also needs to be screwed and installed). The first clamping member 51 and the second clamping member 52 have excellent compatibility, can conveniently and stably clamp the tee pipe 6 and the cross pipe 6, thereby having excellent functional reliability and feeding and discharging speed, and further improving the assembly efficiency.

[0066] In the description of the utility model, it should be pointed out that the directions or position relationships indicated by the terms "upper", "lower", "left", "right" and the like are based on the directions or position relationships shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated devices or elements must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the utility model.

[0067] It should be noted that, unless otherwise explicitly specified and limited, the terms "arrange", "mount", "connect" should be understood in a broad sense, for example, it can be fixed connection, but also can be detachable connection, or integrally connected, can be mechanical connection, but also can be electrical connection, can be direct connection, but also can be connected through an intermediate medium, can be two elements inside the communication. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0068] In summary, for those skilled in the art, according to the guidance of the utility model, the changes, modifications, replacements, deformations made to the utility model without departing from the principles and spirits of the utility model still fall within the protection scope of the utility model.

Claims

1. A PE pipe joint fusion welding apparatus characterized by: It comprises a workbench (1), a rotating assembly (2), a horizontal moving assembly (3), a vertical moving assembly (4) and a clamping assembly (5). The rotating assembly (2) is fixedly installed at one end of the workbench (1), and the horizontal moving assembly (3) is installed at the other end of the workbench (1); the vertical moving assembly (4) is installed on the top surface of the horizontal moving assembly (3); The clamping assembly (5) comprises a first clamping piece (51) and a second clamping piece (52) located above the first clamping piece (51), the first clamping piece (51) is connected with the top surface of the horizontal moving assembly (3), and the second clamping piece (52) is connected with the vertical moving assembly (4); the vertical moving assembly (4) can drive the second clamping piece (52) to reciprocatingly move up and down; The top end of the first clamping piece (51) is provided with a first clamping groove (511) and a second clamping groove (512) for clamping a pipe (6), and the first clamping groove (511) and the second clamping groove (512) are arranged in a cross shape; the bottom end of the second clamping piece (52) is provided with a third clamping groove (521) and a fourth clamping groove (522) for clamping the pipe (6), and the third clamping groove (521) and the fourth clamping groove (522) are arranged in a cross shape.

2. The PE pipe joint rotational fusion welding apparatus according to claim 1, characterized by: The first clamping groove (511) is horizontally arranged, and the cross section of the first clamping groove (511) is semicircular; the second clamping groove (512) is horizontally arranged, and the cross section of the second clamping groove (512) is semicircular; the axis of the second clamping groove (512) points to the rotating assembly (2); and the axis of the second clamping groove (512) is arranged perpendicularly to the axis of the first clamping groove (511).

3. The PE pipe joint rotational fusion welding apparatus according to claim 2, characterized by: The third clamping groove (521) is horizontally arranged and can be adaptively and tightly engaged with the first clamping groove (511) to form a circular groove structure; and the fourth clamping groove (522) is horizontally arranged and can be adaptively and tightly engaged with the second clamping groove (512) to form a circular groove structure.

4. The PE pipe joint rotational fusion welding apparatus according to claim 3, characterized by: The bottom of the second clamping groove (512) is provided with a straight groove (513) along the axial direction.

5. The PE pipe joint rotational fusion welding apparatus according to claim 4, characterized by: The clamping assembly (5) further comprises a support piece (53) installed at the side wall of the first clamping piece (51) and having an adjustable height, and an adjusting bolt for installing the support piece (53).

6. The PE pipe joint rotational fusion welding apparatus according to claim 5, characterized by: The support piece (53) is in the form of a T-shaped plate structure.

7. The PE pipe joint rotational fusion welding apparatus according to claim 6, characterized by: The top surface of the support piece (53) is provided with an arc surface (531); the side wall of the first clamping piece (51) close to the rotating assembly (2) is provided with a mounting groove (514), and the mounting groove (514) is provided with a first screw hole (515); the bottom end of the support piece (53) is arranged in the mounting groove (514), the bottom end of the support piece (53) is provided with a strip-shaped hole (532) matched with the first screw hole (515); and the adjusting bolt is arranged through the strip-shaped hole (532) and detachably connected with the first screw hole (515).

8. The PE pipe joint rotational fusion welding apparatus according to claim 7, characterized by: The mounting groove (514) and the straight groove (513) are arranged perpendicularly and communicate with each other.

9. The PE pipe joint rotational fusion welding apparatus according to claim 8, characterized by: The bottom surface of the straight slot (513) is provided with a second screw hole (5131) away from one end of the mounting slot (514), and a vertical rod (5132) is detachably installed in the second screw hole (5131).

10. The PE pipe joint rotational fusion welding apparatus according to claim 9, characterized by: The rotating assembly (2) comprises a rotating motor (21) and a first housing (22) arranged at the outer periphery of the rotating motor (21). The transverse moving assembly (3) comprises a second housing (31), a first vertical plate (32), a second vertical plate (33), a first linear driver (34) and a slide rail structure; the second housing (31) is in the form of a bottomless square shell structure; the first vertical plate (32) is arranged at the top position of the inner cavity of the second housing (31) and is fixedly connected with the second housing (31); the second vertical plate (33) is fixedly installed at the edge position of the top surface of the workbench (1) away from the rotating assembly (2), and is arranged in the inner cavity of the second housing (31); the shell of the first linear driver (34) is fixedly connected with the side wall of the second vertical plate (33), the output shaft of the first linear driver (34) is inserted into the first through hole on the second vertical plate (33), and the output shaft of the first linear driver (34) is fixedly connected with the first vertical plate (32); the second housing (31) is arranged on the workbench (1) and is connected with the upper surface of the workbench (1) through the slide rail structure.

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