Splicing device for PE plate processing

Abstract

The invention relates to the technical field of plastic plate connection, in particular to a splicing device for PE plate processing. Comprising a rack, sliding frames, a rotating disc, clamping plates, a sliding frame and the like, the sliding frames are symmetrically arranged on the rack in a sliding mode, the rotating disc is rotationally arranged on the sliding frames, the clamping plates are symmetrically arranged on the rotating disc in a sliding mode, the clamping plates are used for clamping and fixing PE plates, the sliding frame is arranged on the rack in a sliding mode, and electric push rods are symmetrically arranged on the rack. Through cooperation of the sliding frame, the rotating disc, the clamping plate and the adjusting mechanism, two PE plates can be fixed and make contact with each other, then through cooperation of an electric push rod, an electric sliding rail I, an electric sliding rail II, a hot air gun, a welding gun and a feeding mechanism, the seam of the two PE plates can be automatically subjected to hot melting fixing and welding, and the welding efficiency is improved. Therefore, the PE plates are automatically spliced, the efficiency is high, the linear precision of the welding gun can be guaranteed, and the welding success rate is increased.

Description

Technical Field

[0001] The present invention relates to the technical field of plastic sheet connection, and particularly to a splicing device for PE sheet processing. Background Art

[0002] With the wide application of plastic materials in modern industry and life, PE sheets have become one of the indispensable materials in the fields of manufacturing various industrial products, packaging materials, building materials, and agricultural facilities due to their excellent physical properties and processing convenience; PE sheets, that is, polyethylene sheets, are plastic sheets made of polyethylene resin through an extrusion molding process; during the processing of PE sheets, it is often necessary to splice two PE sheets together to meet the requirements of large projects or special designs, and through reasonable splicing, materials can be used more effectively, reducing waste materials at the edges and corners caused by inappropriate sizes. Especially when covering irregular spaces, flexible splicing solutions can better adapt to the space size and achieve the economic utilization of resources.

[0003] Currently, when splicing PE sheets, it is usually necessary to first bring two PE sheets into contact, and then manually hold a hot air gun to heat the joint of the two PE sheets for melting, so as to fix the two PE sheets. After that, the nozzle on the hot air gun is replaced with a welding nozzle, and the hot air gun is manually held again to weld the joint of the two PE sheets until the two PE sheets are completely spliced; however, during the above operations, since most of the process is manual, not only the efficiency is low, but it is also difficult to ensure the straight-line accuracy of the welding nozzle when manually holding the hot air gun, resulting in easy welding deviation during welding, thus affecting the welding success rate. Summary of the Invention

[0004] In view of this, the present invention provides a splicing device for PE sheet processing, which can solve the problems that when splicing PE sheets currently, due to most of the process being manual, the efficiency is low, and it is difficult to ensure the straight-line accuracy of the welding nozzle when manually holding the hot air gun, resulting in easy welding deviation during welding and thus affecting the welding success rate.

[0005] The technical implementation solution of the present invention is as follows: A splicing device for processing PE plates includes a frame, and also includes a sliding frame, a turntable, clamping plates, a sliding bracket, an electric push rod, an electric slide rail I, an electric slide rail II, a connecting frame, a rotating block, a servo motor I, a hot air gun, a welding gun, a feeding mechanism and an adjusting mechanism. The sliding frames are symmetrically and slidably arranged on the frame. The turntable is rotatably arranged on the sliding frame. The clamping plates are symmetrically and slidably arranged on the turntable. The clamping plates are used to clamp the PE plates for fixation. The sliding bracket is slidably arranged on the frame. The electric push rods are symmetrically arranged on the frame. The telescopic rods of the electric push rods are connected to the sliding bracket. The electric slide rail I is installed on the sliding bracket. The electric slide rail II is installed on the slider of the electric slide rail I. The connecting frame is connected to the slider of the electric slide rail II. The rotating block is rotatably arranged on the connecting frame. The servo motor I is installed on the connecting frame. The output shaft of the servo motor I is connected to the rotating block. Both the hot air gun and the welding gun are installed on the rotating block. The hot air gun is used to heat-melt the PE plates, and the welding gun is used to weld the PE plates. The feeding mechanism is used to convey the solder used by the welding gun. The adjusting mechanism is used to adjust the distance between the clamping plates.

[0006] Furthermore, the feeding mechanism includes a sleeve, a fixing plate, a roller and a servo motor II. The sleeve is installed on the welding gun. The fixing plate is connected to the rotating block. Two rollers are rotatably arranged on the fixing plate. The servo motor II is installed on the fixing plate. The output shaft of the servo motor II is connected to one of the rollers.

[0007] Furthermore, the adjusting mechanism includes a reduction motor I and a bidirectional lead screw I. The reduction motor I is installed on the frame. The bidirectional lead screw I is rotatably arranged on the frame. The output shaft of the reduction motor I is connected to the end of the bidirectional lead screw I. The sliding frame is threadedly connected to the bidirectional lead screw I.

[0008] Furthermore, the adjusting mechanism also includes a reduction motor II and a bidirectional lead screw II. The reduction motor II is installed on the turntable. The bidirectional lead screw II is rotatably arranged on the turntable. The output shaft of the reduction motor II is connected to the end of the bidirectional lead screw II. The clamping plate is threadedly connected to the bidirectional lead screw II.

[0009] Furthermore, it also includes a limiting mechanism. The limiting mechanism includes balls, sliding blocks and spring I. Grooves are spaced apart on the edge of the turntable. The balls are rotatably arranged in the sliding frame. The sliding blocks are symmetrically and slidably arranged on the sliding frame. The sliding blocks are in contact with the balls in the sliding frame. The sliding blocks are snapped into the grooves. The two ends of the spring I are respectively connected to the sliding block and the sliding frame.

[0010] Furthermore, the limiting mechanism also includes a sliding plate, a connecting plate and a connecting rod. The sliding plate is slidably arranged on the sliding frame. The connecting plate is rotatably arranged on the sliding block. The connecting plate is rotatably connected to the sliding plate. The connecting rod is installed on the sliding plate.

[0011] Furthermore, the limiting mechanism further includes a movable frame, a second spring, and a pushing block. The movable frame is slidably disposed on the sliding frame. The two ends of the second spring are respectively connected to the movable frame and the sliding frame. The pushing block is connected to the connecting frame.

[0012] Furthermore, a rotating mechanism is further included. The rotating mechanism includes a gear and a rack. The gear is installed on the turntable through a one-way coupling, and the rack is installed on the movable frame.

[0013] The present invention has the following advantages: 1. Through the cooperation of the sliding frame, the turntable, the clamping plate, and the adjusting mechanism, the present invention can fix two PE plates and make the two PE plates contact. Then, through the cooperation of the electric push rod, the first electric slide rail, the second electric slide rail, the hot air gun, the welding torch, and the feeding mechanism, the joint of the two PE plates can be automatically hot-melt fixed and welded, so as to realize the automatic splicing of the PE plates. It not only has high efficiency, but also can ensure the linear accuracy of the welding torch, thereby improving the welding success rate.

[0014] 2. By setting the limiting mechanism and the rotating mechanism, the present invention can automatically rotate the turntable by ninety degrees instead of manual operation, so as to automatically adjust the orientation of the PE plate, which is convenient for people to use. After the turntable completes rotation, the sliding block can be used to limit the turntable to prevent the PE plate clamped by the clamping plate from shaking due to rotation, thereby avoiding affecting the hot-melt and welding processes of the PE plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a three-dimensional structural schematic diagram of the present invention.

[0016] Figure 2 is a three-dimensional structural schematic diagram of the clamping plate, the sliding frame, and the electric push rod of the present invention.

[0017] Figure 3 is a three-dimensional structural schematic diagram of the feeding mechanism of the present invention.

[0018] Figure 4 is a three-dimensional structural schematic diagram of the sliding frame, the first reduction motor, and the first bidirectional lead screw of the present invention.

[0019] Figure 5 is a three-dimensional structural schematic diagram of the clamping plate clamping the PE plate of the present invention.

[0020] Figure 6 is a three-dimensional structural schematic diagram of the clamping plate, the second reduction motor, and the second bidirectional lead screw of the present invention.

[0021] Figure 7 is a three-dimensional structural schematic diagram of the limiting mechanism of the present invention.

[0022] Figure 8 is a cross-sectional view of the sliding frame of the present invention.

[0023] Figure 9 For the present invention Figure 8 The enlarged view of part A in the figure.

[0024] Figure 10 It is a three-dimensional structural schematic diagram of the movable frame, spring II and push block of the present invention.

[0025] Figure 11 It is a three-dimensional structural schematic diagram of the push block, gear and rack of the present invention.

[0026] In the above figures: 1: frame, 101: PE sheet, 2: sliding frame, 3: turntable, 4: clamping plate, 5: sliding rack, 6: electric push rod, 7: electric slide rail I, 8: electric slide rail II, 9: connecting frame, 10: rotating block, 11: servo motor I, 12: hot air gun, 13: welding torch, 14: sleeve, 15: fixing plate, 16: roller, 17: servo motor II, 18: reduction motor I, 19: bidirectional lead screw I, 20: reduction motor II, 21: bidirectional lead screw II, 22: groove, 23: ball, 24: sliding block, 25: spring I, 26: sliding plate, 27: connecting plate, 28: connecting rod, 29: movable frame, 30: spring II, 31: push block, 32: gear, 33: rack. Specific embodiments

[0027] Referring to the embodiments mentioned herein means that the specific features, structures or characteristics described in connection with the embodiments can be included in at least one embodiment of the present invention. The phrase appears in various places in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment mutually exclusive with other embodiments. Those skilled in the art explicitly and implicitly understand that the embodiments described herein can be combined with other embodiments.

[0028] Embodiment: A splicing device for PE sheet processing, refer to Figures 1-6As shown in the figure, it includes a machine frame 1, and also includes a sliding frame 2, a turntable 3, a clamping plate 4, a sliding carriage 5, an electric push rod 6, an electric slide rail I 7, an electric slide rail II 8, a connecting frame 9, a rotating block 10, a servo motor I 11, a hot air gun 12, a welding torch 13, a feeding mechanism and an adjusting mechanism; two sliding frames 2 are symmetrically arranged on the lower side of the machine frame 1 in a left-right sliding manner; the turntable 3 is rotatably arranged on the sliding frame 2; on both turntables 3, clamping plates 4 are symmetrically arranged in the front and back, the number of clamping plates 4 is four, the four clamping plates 4 are distributed left and right, and the clamping plates 4 are used to clamp the PE board 101 for fixation; the sliding carriage 5 is slidably arranged on the top of the machine frame 1; two electric push rods 6 are symmetrically installed on the top of the machine frame 1 in a left-right manner, and the telescopic rods of the two electric push rods 6 are both connected to the sliding carriage 5; on the inner top of the sliding carriage 5, electric slide rails I 7 are arranged on both the front and back sides; between the sliders of the two electric slide rails I 7, an electric slide rail II 8 is installed; the connecting frame 9 is connected to the slider of the electric slide rail II 8; the rotating block 10 is rotatably arranged on the lower side of the connecting frame 9; the servo motor I 11 is installed on the left side of the connecting frame 9, and the output shaft of the servo motor I 11 is connected to the rotating block 10; the hot air gun 12 is installed at the bottom of the rotating block 10, and the hot air gun 12 is used to thermally melt the PE board 101; the welding torch 13 is installed on the front side of the rotating block 10, and the welding torch 13 is used to weld the PE board 101; the feeding mechanism is used to convey the solder used by the welding torch 13; the adjusting mechanism is used to adjust the distance between the clamping plates 4 so that the clamping plates 4 can clamp the PE board 101.

[0029] See Figure 3 As shown in the figure, the feeding mechanism includes a sleeve 14, a fixing plate 15, a roller 16 and a servo motor II 17; the sleeve 14 is installed on the welding torch 13; the fixing plate 15 is connected to the lower left front side of the rotating block 10; on the front right side of the fixing plate 15, two rollers 16 are rotatably arranged, and the two rollers 16 are distributed up and down; the servo motor II 17 is installed on the left front side of the fixing plate 15, and the output shaft of the servo motor II 17 is connected to the lower roller 16.

[0030] See Figures 4-6 As shown in the figure, the adjusting mechanism includes a reduction motor I 18, a bidirectional lead screw I 19, a reduction motor II 20 and a bidirectional lead screw II 21; the reduction motor I 18 is installed on the lower left side of the machine frame 1; the bidirectional lead screw I 19 is rotatably arranged on the lower side of the machine frame 1, the output shaft of the reduction motor I 18 is connected to the left end of the bidirectional lead screw I 19, and the two sliding frames 2 are respectively threadedly connected to the left and right sides of the bidirectional lead screw I 19; two reduction motors II 20 are respectively installed on the rear sides of the two turntables 3 away from each other, two bidirectional lead screws II 21 are respectively rotatably arranged in the middle of the two turntables 3 away from each other, the output shaft of the reduction motor II 20 is connected to the rear end of the bidirectional lead screw II 21, the two clamping plates 4 on the left are respectively threadedly connected to the front and back sides of the bidirectional lead screw II 21 on the left, and the two clamping plates 4 on the right are respectively threadedly connected to the front and back sides of the bidirectional lead screw II 21 on the right.

[0031] During use, place a PE board 101 between the two clamping plates 4 on the left, and then place another PE board 101 between the two clamping plates 4 on the right. Then, drive the bidirectional lead screw II 21 to rotate through the reduction motor II 20, so that the clamping plates 4 on the front and back sides move towards the side close to the PE board 101 until the two clamping plates 4 on the left clamp the PE board 101 and the two clamping plates 4 on the right clamp the other PE board 101. Then, drive the bidirectional lead screw I 19 to rotate through the reduction motor I 18, so that the two sliding frames 2 move towards each other, thereby driving the clamping plate 4 on the left to clamp the PE board 101 and move it to the right, and driving the clamping plate 4 on the right to clamp the PE board 101 and move it to the left until the two PE boards 101 come into contact with each other (as Figure 5As shown); then pass the solder through the two rollers 16 from back to front, insert the front end of the solder into the sleeve 14, and then drive the electric slide rail II 8, connecting frame 9, rotating block 10, servo motor I 11, hot air gun 12 and soldering gun 13 to move left or right through the electric slide rail I 7, so as to adjust the position of the hot air gun 12 until the hot air gun 12 is aligned with the joint of the two PE plates 101. Then drive the sliding frame 5, electric slide rail I 7, electric slide rail II 8, connecting frame 9, rotating block 10, servo motor I 11, hot air gun 12 and soldering gun 13 to move downward through the electric push rod 6, so that the hot air gun 12 gradually approaches the joint of the two PE plates 101 until the distance between the hot air gun 12 and the joint can reach the point of hot melting the PE plates 101. Then drive the connecting frame 9, rotating block 10, servo motor I 11, hot air gun 12 and soldering gun 13 to move forward through the electric slide rail II 8, and use the hot air gun 12 to hot melt the joint of the two PE plates 101, so that the two PE plates 101 are fixed together. After the two PE plates 101 are hot melted and fixed, drive the sliding frame 5, electric slide rail I 7, electric slide rail II 8, connecting frame 9, rotating block 10, servo motor I 11, hot air gun 12 and soldering gun 13 to move upward to reset through the electric push rod 6, and drive the connecting frame 9, rotating block 10, servo motor I 11, hot air gun 12 and soldering gun 13 to move backward to reset through the electric slide rail II 8. Then drive the rotating block 10 to rotate through the servo motor I 11, so as to drive the hot air gun 12 and the soldering gun 13 to rotate until the soldering gun 13 faces directly downward. Then drive the sliding frame 5, electric slide rail I 7, electric slide rail II 8, connecting frame 9, rotating block 10, servo motor I 11, hot air gun 12 and soldering gun 13 to move downward through the electric push rod 6, so that the soldering gun 13 gradually approaches the joint of the two PE plates 101 until the distance between the soldering gun 13 and the joint can reach the point of welding the PE plates 101. Then drive the roller 16 to rotate through the servo motor II 17, so that the roller 16 continuously conveys the solder into the sleeve 14, so that there is enough solder for the soldering gun 13 to use during welding. At the same time, drive the connecting frame 9, rotating block 10, servo motor I 11, hot air gun 12 and soldering gun 13 to move forward through the electric slide rail II 8, and use the soldering gun 13 to weld the joint of the two PE plates 101. After the top surfaces of the two PE plates 101 are welded, drive the sliding frame 5, electric slide rail I 7, electric slide rail II 8, connecting frame 9, rotating block 10, servo motor I 11, hot air gun 12 and soldering gun 13 to move upward to reset through the electric push rod 6, and drive the connecting frame 9, rotating block 10, servo motor I 11, hot air gun 12 and soldering gun 13 to move backward to reset through the electric slide rail II 8. Then drive the rotating block 10 to reverse and reset through the servo motor I 11, so as to drive the hot air gun 12 and the soldering gun 13 to reverse and reset, so that the hot air gun 12 faces directly downward; After that, pull the turntable 3 to rotate 90 degrees, so that the clamping plate 4 on the turntable 3 and the PE sheet 101 rotate 90 degrees synchronously. In this way, the orientation of the PE sheet 101 can be adjusted, so that the joints on other surfaces of the two PE sheets 101 are aligned with the hot air gun 12 after rotation. Then repeat the above operation to gradually complete the welding of other surfaces of the two PE sheets 101 until the welding of all surfaces of the two PE sheets 101 is completed. In this way, the splicing of the two PE sheets 101 can be completed. After the splicing of the two PE sheets 101 is completed, then drive the bidirectional lead screw II 21 to reverse and reset by the reduction motor II 20, so that the clamping plates 4 on the front and rear sides move away from the PE sheet 101 to reset until the clamping plate 4 releases the spliced PE sheet 101. Then take out the spliced PE sheet 101 from between the clamping plates 4, and then drive the bidirectional lead screw I 19 to reverse and reset by the reduction motor I 18, so that the two sliding frames 2 move away from each other to reset.

[0032] See Figures 7-11 As shown, it further includes a limiting mechanism. The limiting mechanism includes a ball 23, a sliding block 24, a spring I 25, a sliding plate 26, a connecting plate 27, a connecting rod 28, a movable frame 29, a spring II 30 and a pushing block 31. Four grooves 22 are evenly spaced on the edge of the turntable 3. The balls 23 are rotatably arranged at intervals in the middle of the front and rear sides inside the sliding frame 2. The sliding blocks 24 are symmetrically arranged in the front and rear of the sliding frame 2 in a sliding manner. The sliding block 24 contacts the ball 23 inside the sliding frame 2. When the sliding block 24 slides on the sliding frame 2, the friction force of the sliding block 24 can drive the ball 23 to rotate. In this way, the friction force between the sliding block 24 and the inner wall of the sliding frame 2 can be reduced, thereby reducing the resistance received when the sliding block 24 slides. The sliding block 24 is stuck into the groove 22 to limit the turntable 3 by the sliding block 24. One end of the spring I 25 is connected to the sliding block 24, and the other end of the spring I 25 is connected to the outside of the sliding frame 2. The two sliding plates 26 are respectively arranged in a sliding manner at the lower part of the two mutually separated sides of the two sliding frames 2. The connecting plate 27 is rotatably arranged on the sliding block 24, and the connecting plate 27 is rotatably connected to the sliding plate 26. When the sliding plate 26 moves upward, the sliding plate 26 will use the connecting plate 27 to squeeze the sliding block 24 to move away from the turntable 3, so that the sliding block 24 leaves the groove 22, thereby releasing the limit of the turntable 3 by the sliding block 24. The connecting rod 28 is installed on the sliding plate 26. The two movable frames 29 are respectively arranged in a sliding manner on the two sliding frames 2, and the two movable frames 29 are slidably connected. A protruding part is provided at the rear part of the lower side of the movable frame 29, and the protruding part will contact the connecting rod 28 when moving forward. One end of the spring II 30 is connected to the rear side of the movable frame 29, and the other end of the spring II 30 is connected to the middle part of the front side of the sliding frame 2. The pushing block 31 is connected to the front side of the connecting frame 9, and the pushing block 31 will contact the movable frame 29 when moving forward following the connecting frame 9.

[0033] See Figure 10 andFigure 11 As shown, it further includes a rotating mechanism, which includes a gear 32 and a rack 33; the middle parts of the mutually remote sides of the two turntables 3 are each connected to a gear 32 through a one-way coupling; racks 33 are arranged at the rear sides of the middles of the two movable frames 29, and when the racks 33 move forward, they will mesh with the gears 32.

[0034] When the sliding frame 5, the electric slide rail I 7, the electric slide rail II 8, the connecting frame 9, the rotating block 10, the servo motor I 11, the hot air gun 12 and the welding torch 13 are driven by the electric push rod 6 to move upward and reset, the next operation can be carried out according to subsequent requirements: if it is not necessary to pull the turntable 3 to rotate 90 degrees subsequently, then directly drive the connecting frame 9, the rotating block 10, the servo motor I 11, the hot air gun 12 and the welding torch 13 to move backward and reset by the electric slide rail II 8; if it is necessary to pull the turntable 3 to rotate 90 degrees subsequently, then the connecting frame 9 and the push block 31 can be driven to move forward by the electric slide rail II 8. When the push block 31 contacts the movable frame 29, the push block 31 will drive the movable frame 29 and the rack 33 to move forward, and the spring II 30 is stretched. When the protruding part on the movable frame 29 contacts the connecting rod 28, the protruding part on the movable frame 29 will squeeze the connecting rod 28 to move upward, thereby driving the sliding plate 26 to move upward, so that the sliding plate 26 squeezes the connecting plate 27, thereby enabling the connecting plate 27 to pull the sliding block 24 to move to the side away from the turntable 3, and the spring I 25 is stretched, so that the sliding block 24 leaves the groove 22, thereby releasing the limit on the turntable 3 by the sliding block 24. When the rack 33 contacts the gear 32, the rack 33 will drive the gear 32 and the turntable 3 to rotate 90 degrees until the rack 33 is separated from the gear 32. In this way, the turntable 3 can be automatically rotated 90 degrees instead of manually. After that, drive the connecting frame 9 and the push block 31 to move backward and reset by the electric slide rail II 8. When the push block 31 is separated from the movable frame 29, the spring II 30 returns to its original state, and the spring II 30 drives the movable frame 29 and the rack 33 to move backward and reset. When the rack 33 contacts the gear 32, the rack 33 will drive the gear 32 to rotate 90 degrees in the reverse direction. However, since a one-way coupling is provided between the gear 32 and the turntable 3, the gear 32 will not drive the turntable 3 to rotate 90 degrees in the reverse direction until the rack 33 is separated from the gear 32. When the protruding part on the movable frame 29 is separated from the connecting rod 28, the spring I 25 returns to its original state, and the spring I 25 drives the sliding block 24 to move to the side close to the turntable 3 to reset, so that the sliding block 24 is reinserted into the groove 22, thereby limiting the turntable 3 to prevent the PE sheet 101 clamped by the clamping plate 4 from shaking due to rotation, thus avoiding affecting the hot melting and welding process of the PE sheet 101. And when the sliding block 24 moves to the side close to the turntable 3 to reset, the sliding block 24 will squeeze the connecting plate 27, so that the connecting plate 27 squeezes the sliding plate 26 and the connecting rod 28 to move downward and reset. After that, drive the connecting frame 9, the rotating block 10, the servo motor I 11, the hot air gun 12 and the welding torch 13 to move backward and reset by the electric slide rail II 8.

[0035] As described above, it is only the specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention can easily think of changes or substitutions, which should all be covered within the protection scope of the present invention.

Claims

1. A splicing device for PE sheet processing, including a frame (1), characterized in that, It also includes a sliding frame (2), a turntable (3), clamping plates (4), a sliding carriage (5), an electric push rod (6), an electric slide rail I (7), an electric slide rail II (8), a connecting frame (9), a rotating block (10), a servo motor I (11), a hot air gun (12), a welding torch (13), a feeding mechanism and an adjusting mechanism. The sliding frame (2) is symmetrically and slidably arranged on the frame (1). The turntable (3) is rotatably arranged on the sliding frame (2). The clamping plates (4) are symmetrically and slidably arranged on the turntable (3). The clamping plates (4) are used to clamp and fix the PE sheet (101). The sliding carriage (5) is slidably arranged on the frame (1). The electric push rods (6) are symmetrically arranged on the frame (1). The telescopic rod of the electric push rod (6) is connected to the sliding carriage (5). The electric slide rail I (7) is installed on the sliding carriage (5). The electric slide rail II (8) is installed on the slider of the electric slide rail I (7). The connecting frame (9) is connected to the slider of the electric slide rail II (8). The rotating block (10) is rotatably arranged on the connecting frame (9). The servo motor I (11) is installed on the connecting frame (9). The output shaft of the servo motor I (11) is connected to the rotating block (10). The hot air gun (12) and the welding torch (13) are both installed on the rotating block (10). The hot air gun (12) is used to heat-melt the PE sheet (101). The welding torch (13) is used to weld the PE sheet (101). The feeding mechanism is used to convey the solder used by the welding torch (13). The adjusting mechanism is used to adjust the distance between the clamping plates (4).

2. A splicing device for PE sheet processing according to claim 1, characterized in that, The feeding mechanism includes a sleeve (14), a fixing plate (15), a roller (16) and a servo motor II (17). The sleeve (14) is installed on the welding torch (13). The fixing plate (15) is connected to the rotating block (10). Two rollers (16) are rotatably arranged on the fixing plate (15). The servo motor II (17) is installed on the fixing plate (15). The output shaft of the servo motor II (17) is connected to one of the rollers (16).

3. The splicing device for PE sheet processing according to claim 2, characterized in that, The adjusting mechanism includes a reduction motor I (18) and a bidirectional lead screw I (19). The reduction motor I (18) is installed on the frame (1). The bidirectional lead screw I (19) is rotatably arranged on the frame (1). The output shaft of the reduction motor I (18) is connected to the end of the bidirectional lead screw I (19). The sliding frame (2) is threadedly connected to the bidirectional lead screw I (19).

4. A splicing device for PE sheet processing according to claim 3, characterized in that, The adjusting mechanism also includes a reduction motor II (20) and a bidirectional lead screw II (21). The reduction motor II (20) is installed on the turntable (3). The bidirectional lead screw II (21) is rotatably arranged on the turntable (3). The output shaft of the reduction motor II (20) is connected to the end of the bidirectional lead screw II (21). The clamping plates (4) are threadedly connected to the bidirectional lead screw II (21).

5. The splicing device for PE sheet processing according to claim 4, characterized in that, It further includes a limiting mechanism, and the limiting mechanism includes a ball (23), a sliding block (24) and a spring I (25). Grooves (22) are spaced apart on the edge of the turntable (3). The ball (23) is rotatably arranged in the sliding frame (2). The sliding frame (2) is symmetrically and slidably provided with the sliding block (24). The sliding block (24) contacts the ball (23) in the sliding frame (2). The sliding block (24) is snapped into the groove (22). The two ends of the spring I (25) are respectively connected to the sliding block (24) and the sliding frame (2).

6. A splicing device for PE sheet processing according to claim 5, characterized in that, The limiting mechanism further includes a sliding plate (26), a connecting plate (27) and a connecting rod (28). The sliding plate (26) is slidably arranged on the sliding frame (2). The connecting plate (27) is rotatably arranged on the sliding block (24). The connecting plate (27) is rotatably connected to the sliding plate (26). The connecting rod (28) is installed on the sliding plate (26).

7. A splicing device for PE sheet processing according to claim 6, characterized in that, The limiting mechanism further includes a movable frame (29), a spring II (30) and a pushing block (31). The movable frame (29) is slidably arranged on the sliding frame (2). The two ends of the spring II (30) are respectively connected to the movable frame (29) and the sliding frame (2). The pushing block (31) is connected to the connecting frame (9).

8. A splicing device for PE sheet processing according to claim 7, characterized in that, It further includes a rotating mechanism, and the rotating mechanism includes a gear (32) and a rack (33). The gear (32) is installed on the turntable (3) through a one-way coupling. The rack (33) is installed on the movable frame (29).

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