PPH purification tank curling welding machine and welding process

Abstract

The present invention relates to a PPH purification tank curling welding machine and a welding process thereof, and relates to the technical field of plastic welding. The machine comprises a first clamping system, a second clamping system and a top pushing welding system. The first clamping system has a first clamping rotating end that can be moved horizontally, and the second clamping system has a second clamping rotating end that can be moved horizontally. The top pushing welding system is installed in a liftable manner at a middle position of the first clamping rotating end and the second clamping rotating end. The first clamping rotating end and the second clamping rotating end are arranged symmetrically with respect to each other. The first clamping rotating end and the second clamping rotating end are symmetrical with respect to the axis of the top pushing welding system at all moments of the action. The top pushing welding system comprises a top pushing welding upper beam, a top pushing welding lower beam and a top pushing welding lifting device. Both the top pushing welding upper beam and the top pushing welding lower beam can be slidably installed on the top pushing welding lifting device. The heating zone is arranged between the top pushing welding upper beam and the top pushing welding lower beam. The top of the top pushing welding upper beam is provided with an arc top pushing surface, and the production efficiency is high.

Description

Technical Field

[0001] The invention relates to the technical field of plastic welding, in particular to a PPH purification tank curling welding machine and a welding process thereof. Background Art

[0002] The PPH sheet crimping and welding machine is a mechanical device used to crimp and weld PPH sheets into desired shapes. It is primarily used to crimp PPH (polypropylene homopolymer) sheets into various shaped products. Using a plastic hot-melt process, the machine manually uses braided tape to crimp the flat PPH sheet into the desired shape. The PPH sheet is placed flat on a crimping platform, and the tape is gradually tightened, causing the sheet to crimp until the sides of the sheet are joined. The joints are then welded, ultimately forming the PPH sheet into a cylindrical shape.

[0003] The existing PPH purification tank curling and welding machine requires a lot of manpower to curl, which is difficult. Summary of the Invention

[0004] In order to overcome the technical defects of the prior art, the present invention provides a PPH purification tank curling welding machine and a welding process thereof, which have high production efficiency.

[0005] The technical solution adopted by the present invention is:

[0006] The PPH purification tank curling welding machine includes a first clamping system, a second clamping system and a top pushing welding system, the first clamping system has a first clamping rotating end that can be moved horizontally, the second clamping system has a second clamping rotating end that can be moved horizontally, the top pushing welding system can be lifted and installed in the middle position of the first clamping rotating end and the second clamping rotating end, the first clamping rotating end and the second clamping rotating end are arranged symmetrically with each other, the first clamping rotating end and the second clamping rotating end are symmetrical with respect to the top pushing welding system axis at all times of action, the top pushing welding system has a heating zone, the top pushing welding system includes a top pushing welding upper beam, a top pushing welding lower beam and a top pushing welding lifting device, the top pushing welding upper beam and the top pushing welding lower beam can be lifted and slidably installed on the top pushing welding lifting device, the heating zone is arranged between the top pushing welding upper beam and the top pushing welding lower beam, and the top of the top pushing welding upper beam is provided with an arc top pushing surface.

[0007] Preferably, the first clamping system includes a first transverse movement device, a first rotating device and a first clamping device, the first rotating device is slidably mounted on the first transverse movement device, the first clamping device is mounted on the first rotating device, and the first clamping device forms a first clamping rotating end.

[0008] Preferably, the first transverse movement device includes a first transverse movement frame and two first transverse movement blocks, the two first transverse movement blocks slide horizontally along the first transverse movement frame, and the first rotating device is installed between the two first transverse movement blocks.

[0009] Preferably, the first rotating device is a first rotating motor, the first rotating motor is mounted on the first transverse moving device, the first clamping device is mounted at the output end of the first rotating motor, and the first rotating motor is transmission-connected to the first clamping device.

[0010] Preferably, the first clamping device includes two first clamping rails and two pairs of first clamping sliders, each of the first clamping sliders is slidably mounted on the corresponding first clamping rail, the two first clamping rails are mounted on the first transverse movement device, a first clamping cylinder is provided between the two first clamping sliders on the same first clamping rail, and a first clamping beam is installed between the two opposite first clamping sliders.

[0011] Preferably, the second clamping system includes a second transverse device, a second rotating device and a second clamping device, the second rotating device is slidably mounted on the second transverse device, the second clamping device is mounted on the second rotating device, and the second clamping device forms a second clamping rotating end.

[0012] Preferably, the second transverse device includes a second transverse frame and two second transverse blocks, the two second transverse blocks slide horizontally along the second transverse frame, and the second rotating device is installed between the two second transverse blocks.

[0013] Preferably, the second rotating device is a second rotating motor, the second rotating motor is mounted on the second transverse moving device, the second clamping device is mounted on the output end of the second rotating motor, and the second rotating motor is transmission-connected to the second clamping device.

[0014] Preferably, the second clamping device includes two second clamping rails and two pairs of second clamping sliders, each of the second clamping sliders is slidably mounted on the corresponding second clamping rail, and the two second clamping rails are mounted on the second transverse movement device. A second clamping cylinder is provided between the two second clamping sliders on the same second clamping rail, and a second clamping beam is installed between the two opposite second clamping sliders.

[0015] The PPH septic tank curling and welding process, using a PPH septic tank curling and welding machine, includes the following steps:

[0016] S1: The first clamping system and the second clamping system clamp the two ends of the PPH sheet;

[0017] S2: The first clamping system and the second clamping system respectively drive the two ends of the PPH plate to rotate;

[0018] S3: Push the welded upper beam to lift the middle part of the PPH plate upward;

[0019] S4: Both ends of the PPH plate are extended into the heating zone under the clamping rotation of the first clamping system and the second clamping system, and the top push welding upper beam and the top push welding lower beam are close to each other to achieve welding.

[0020] The beneficial effects of the present invention are:

[0021] The first clamping system has a first clamping rotary end that can be translated, and the second clamping system has a second clamping rotary end that can be translated. The push welding system can be installed in the middle position of the first clamping rotary end and the second clamping rotary end. The first clamping rotary end and the second clamping rotary end are arranged symmetrically with each other. The first clamping rotary end and the second clamping rotary end clamp the PPH plate. The first clamping rotary end and the second clamping rotary end are symmetrical with respect to the push welding system axis at all times of the action. After the first clamping rotary end and the second clamping rotary end clamp the PPH plate, they rotate 180 degrees at a constant speed in opposite directions. The push welding system has a heating zone. The push welding system includes a push The welding upper beam, the top-pushing welding lower beam and the top-pushing welding lifting device, the top-pushing welding upper beam and the top-pushing welding lower beam can be installed on the top-pushing welding lifting device in a lifting and sliding manner, the heating zone is set between the top-pushing welding upper beam and the top-pushing welding lower beam, the top of the top-pushing welding upper beam is provided with an arc pushing surface, the first clamping rotating end and the second clamping rotating end respectively clamp the two ends of the PPH plate at both ends, and then bend the PPH plate, the arc pushing surface on the top of the top-pushing welding upper beam pushes the middle part of the PPH plate to assist the PPH plate in bending, the first clamping rotating end and the second clamping rotating end flip the two ends of the PPH plate to the heating zone for heating and welding, and the production efficiency is high. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the principle of the PPH plate loading method of the present invention.

[0023] Figure 2 It is a structural schematic diagram of the present invention.

[0024] Figure 3 for Figure 2 Enlarged schematic diagram of point A in the middle.

[0025] Figure 4 This is a schematic diagram of the position of PPH sheets when they are just loaded.

[0026] Figure 5 This is a schematic diagram of the position of the PPH sheet when it starts to bend.

[0027] Figure 6 Schematic diagram of the position of PPH sheet after bending.

[0028] Figure 7 This is a schematic diagram of the position of the PPH sheet after bending.

[0029] Figure 8 This is a schematic diagram of the first clamping system structure.

[0030] Figure 9 This is a schematic diagram of the push welding system structure.

[0031] Figure 10 Schematic diagram of the second clamping system structure.

[0032] Description of reference numerals:

[0033] 1. First clamping system; 11. First transverse movement device; 111. First transverse movement frame; 112. First transverse movement block; 12. First rotary device; 13. First clamping device; 131. First clamping rail; 132. First clamping slide; 133. First clamping cylinder; 134. First clamping beam;

[0034] 2. Second clamping system; 21. Second transverse movement device; 211. Second transverse movement frame; 212. Second transverse movement block; 22. Second rotary device; 23. Second clamping device; 231. Second clamping rail; 232. Second clamping slide; 233. Second clamping cylinder; 234. Second clamping beam;

[0035] 3. Push welding system; 31. Push welding upper beam; 311. Arc push surface; 32. Push welding lower beam; 33. Push welding lifting device; 331. Lifting column; 332. Transverse plate; 333. Lifting motor; 334. Lifting plate; 335. Heating clamping slider; 336. Heating clamping guide rail; 337. Heating clamping cylinder. DETAILED DESCRIPTION

[0036] The present invention will be further described below in conjunction with the accompanying drawings:

[0037] like Figure 1 — Figure 10As shown, this embodiment provides a PPH purification tank curling welding machine, including a first clamping system 1, a second clamping system 2 and a top pushing welding system 3, the first clamping system 1 has a first clamping rotary end that can be moved horizontally, the second clamping system 2 has a second clamping rotary end that can be moved horizontally, and the top pushing welding system 3 can be installed in the middle position of the first clamping rotary end and the second clamping rotary end, the first clamping rotary end and the second clamping rotary end are arranged symmetrically with each other, the first clamping rotary end and the second clamping rotary end clamp the PPH plate, the first clamping rotary end and the second clamping rotary end are symmetrical with respect to the top pushing welding system 3 axis at all times of the action, the first clamping rotary end and the second clamping rotary end clamp the PPH plate and rotate 180 degrees at a constant speed in opposite directions after clamping the PPH plate, and the top pushing welding system 3 has a Hot zone, the top pushing welding system 3 includes a top pushing welding upper beam 31, a top pushing welding lower beam 32 and a top pushing welding lifting device 33. The top pushing welding upper beam 31 and the top pushing welding lower beam 32 can be lifted and slidably installed on the top pushing welding lifting device 33. The heating zone is set between the top pushing welding upper beam 31 and the top pushing welding lower beam 32. The top of the top pushing welding upper beam 31 is provided with an arc top pushing surface 311. The first clamping rotating end and the second clamping rotating end clamp the two ends of the PPH plate respectively, and then bend the PPH plate. The arc top pushing surface 311 on the top of the top pushing welding upper beam 31 pushes the middle part of the PPH plate to assist the PPH plate in bending. The first clamping rotating end and the second clamping rotating end flip the two ends of the PPH plate to the heating zone for heating and welding, with high production efficiency.

[0038] The top-pushing welding lifting device 33 includes a lifting column 331, a transverse plate 332 and a lifting motor 333. In order to allow the top-pushing welding upper beam 31 and the top-pushing welding lower beam 32 to be fine-tuned laterally, the transverse plate 332 is installed on the transverse slide rail through a slider that can slide laterally. The movement and positioning of the slider along the transverse slide rail belongs to the existing technology and will not be repeated here. The lifting column 331 is installed on the transverse moving plate 332, and the output end of the lifting motor 333 is provided with a gear, and the lifting column 331 is provided with a rack meshing with the gear, and the lifting column 331 is installed on the transverse moving plate 332 by the sliding pair of the slide rail slider. A lifting plate 334 and two heated clamping sliders 335 are installed on the lifting column 331, and a heated clamping guide rail 336 is installed on the lifting plate 334. A heated clamping cylinder 337 is provided between the two heated clamping sliders 335. The two heated clamping sliders 335 are both slid by the heated clamping guide rail 336, and the heated clamping cylinder 337 drives the two heated clamping sliders 335 to open and close. The top pushing welding upper beam 31 and the top pushing welding lower beam 32 are respectively installed on the two heated clamping sliders 335. Electric heating plates are provided at adjacent positions of the top pushing welding upper beam 31 and the top pushing welding lower beam 32, and the two heated heating plates form a heating zone.

[0039] To illustrate the working principle of this application, Figure 4As shown, the PPH plate is first transported by a forklift, manual labor or conveyor belt to the first clamping rotary end, the second clamping rotary end and between the top push welding upper beam 31 and the top push welding lower beam 32, as shown in FIG. Figure 5 As shown, the first clamping rotating end and the second clamping rotating end rotate at a constant speed in opposite directions, and the lifting motor 333 drives the top welding beam 31 to rise, assisting the PPH plate to bend upward, as shown in FIG. Figure 6 As shown, due to the increase in the bending degree of the PPH plate, the resistance torque on the first clamping rotating end and the second clamping rotating end caused by the self-gravity of the middle area of ​​the PPH plate decreases, and the lifting motor 333 drives the top-pushing welding upper beam 31 and the top-pushing welding lower beam 32 to descend to the joint height of the side of the PPH plate, and the heating clamping cylinder 337 drives the two heating clamping slides 335 to open, so that the top-pushing welding upper beam 31 and the top-pushing welding lower beam 32 are opened, which is convenient for the PPH plate to extend into the joint side. Figure 7 As shown, the heating clamping cylinder 337 drives the two heating clamping sliders 335 closer, so that the top push welding upper beam 31 and the top push welding lower beam 32 are close to each other, which is convenient for heating and welding the joint side of the PPH plate.

[0040] Specifically, the first clamping system 1 includes a first transverse movement device 11, a first rotating device 12 and a first clamping device 13. The first rotating device 12 is slidably installed on the first transverse movement device 11, and the first clamping device 13 is installed on the first rotating device 12. The first transverse movement device 11 realizes the translation of the first clamping device 13. The first clamping device 13 clamps the PPH sheet. The first rotating device 12 drives the PPH sheet to bend, and the first clamping device 13 forms a first clamping rotating end.

[0041] Specifically, the first transverse movement device 11 includes a first transverse movement frame 111 and two first transverse movement blocks 112. The two first transverse movement blocks 112 slide horizontally along the first transverse movement frame 111. The first rotating device 12 is installed between the two first transverse movement blocks 112. The sliding of the first transverse movement block 112 realizes the transverse movement of the first clamping device 13. Please note that the first transverse movement device 11 does not need to be powered. When the first rotating device 12 drives the PPH plate to bend, the first transverse movement block 112 naturally slides along the first transverse movement frame 111.

[0042] Specifically, the first rotating device 12 is a first rotating motor, which is installed on the first transverse block 112 of the first transverse device 11. The first clamping device 13 is installed at the output end of the first rotating motor. The first rotating motor is transmission-connected to the first clamping device 13, thereby driving the rotation of the first clamping device 13.

[0043] Specifically, the first clamping device 13 includes two first clamping rails 131 and two pairs of first clamping sliders 132. Each first clamping slider 132 is slidably installed on the corresponding first clamping rail 131. The two first clamping rails 131 are installed on the corresponding first transverse block 112. A first clamping cylinder 133 is provided between the two first clamping sliders 132 on the same first clamping rail 131. A first clamping beam 134 is installed between the two opposite first clamping sliders 132 to ensure that the two first clamping beams 134 are firmly clamped, thereby realizing the bending of the PPH sheet. The first clamping cylinder 133 drives the first clamping slider 132 to move, thereby realizing the two first clamping beams 134 clamping the PPH sheet.

[0044] Specifically, the second clamping system 2 includes a second transverse movement device 21, a second rotating device 22 and a second clamping device 23. The second rotating device 22 is slidably installed on the second transverse movement device 21, and the second clamping device 23 is installed on the second rotating device 22. The second transverse movement device 21 realizes the translation of the second clamping device 23. The second clamping device 23 clamps the PPH sheet. The second rotating device 22 drives the PPH sheet to bend, and the second clamping device 23 forms a second clamping rotating end.

[0045] Specifically, the second transverse movement device 21 includes a second transverse movement frame 211 and two second transverse movement blocks 212. The two second transverse movement blocks 212 slide horizontally along the second transverse movement frame 211. The second rotating device 22 is installed between the two second transverse movement blocks 212. The sliding of the second transverse movement block 212 realizes the transverse movement of the second clamping device 23. Please note that the second transverse movement device 21 does not need to be powered. When the second rotating device 22 drives the PPH plate to bend, the second transverse movement block 212 naturally slides along the second transverse movement frame 211.

[0046] Specifically, the second rotating device 22 is a second rotating motor, which is installed on the second transverse block 212 of the second transverse device 21. The second clamping device 23 is installed at the output end of the second rotating motor. The second rotating motor is transmission-connected to the second clamping device 23, thereby driving the rotation of the second clamping device 23.

[0047] Specifically, the second clamping device 23 includes two second clamping rails 231 and two pairs of second clamping sliders 232. Each second clamping slider 232 is slidably installed on the corresponding second clamping rail 231. The two second clamping rails 231 are installed on the corresponding second transverse block 212. A second clamping cylinder 233 is provided between the two second clamping sliders 232 on the same second clamping rail 231. A second clamping beam 234 is installed between the two opposite second clamping sliders 232 to ensure that the two second clamping beams 234 are firmly clamped, thereby realizing the bending of the PPH plate. The second clamping cylinder 233 drives the second clamping slider 232 to move, thereby realizing the two second clamping beams 234 clamping the PPH plate.

[0048] The PPH septic tank curling and welding process, using a PPH septic tank curling and welding machine, includes the following steps:

[0049] S1: The first clamping system 1 and the second clamping system 2 clamp the two ends of the PPH plate;

[0050] S2: The first clamping system 1 and the second clamping system 2 respectively drive the two ends of the PPH plate to rotate;

[0051] S3: Pushing the welded upper beam 31 to lift the middle part of the PPH plate upward;

[0052] S4: Both ends of the PPH plate extend into the heating zone under the clamping rotation of the first clamping system 1 and the second clamping system 2, and the top pushing welding upper beam 31 and the top pushing welding lower beam 32 approach each other to achieve welding.

[0053] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which shall fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. PPH purification tank curling welding machine, characterized by: The invention comprises a first clamping system, a second clamping system and a top-pushing welding system, wherein the first clamping system has a first clamping rotating end that can be translated, and the second clamping system has a second clamping rotating end that can be translated, and the top-pushing welding system is installed in a liftable manner at a middle position between the first clamping rotating end and the second clamping rotating end, and the first clamping rotating end and the second clamping rotating end are arranged symmetrically with respect to each other, and the first clamping rotating end and the second clamping rotating end are symmetrical with respect to the top-pushing welding system axis at each moment of the action, and the top-pushing welding system has a heating zone, and the top-pushing welding system comprises a top-pushing welding upper beam, a top-pushing welding lower beam and a top-pushing welding lifting device, The top pushing welding upper beam and the top pushing welding lower beam can be installed in a lifting and sliding manner on the top pushing welding lifting device, the heating zone is arranged between the top pushing welding upper beam and the top pushing welding lower beam, the top of the top pushing welding upper beam is provided with an arc top pushing surface, the top pushing welding lifting device includes a lifting column, a transverse moving plate and a lifting motor, the transverse moving plate can be installed on the transverse moving rail by a slider, the lifting motor is installed on the transverse moving plate, the output end of the lifting motor is provided with a gear, the lifting column is provided with a rack meshing with the gear, the lifting column is installed on the transverse moving plate by a sliding pair of the slide rail slider to achieve lifting and sliding A lifting plate and two heating clamping sliders are provided on the top, and a heating clamping guide rail is installed on the lifting plate. A heating clamping cylinder is provided between the two heating clamping sliders. The two heating clamping sliders slide through the heating clamping guide rail. The heating clamping cylinder drives the two heating clamping sliders to open and close. The top pushing welding upper beam and the top pushing welding lower beam are respectively installed on the two heating clamping sliders. Electric heating plates are provided at adjacent positions of the top pushing welding upper beam and the top pushing welding lower beam. The two electric heating plates form a heating zone. The first clamping rotating end and the second clamping rotating end rotate at a constant speed in opposite directions, and the lifting motor drives the top pushing welding upper beam to rise , assisting the PPH plate to bend upward. Due to the increase in the bending degree of the PPH plate, the resistance torque of the middle area of ​​the PPH plate to the first clamping rotating end and the second clamping rotating end caused by its own gravity decreases. The lifting motor drives the top pushing welding upper beam and the top pushing welding lower beam to descend to the joint height of the side of the PPH plate, and the heating clamping cylinder drives the two heating clamping sliders to open, so that the top pushing welding upper beam and the top pushing welding lower beam are opened, which is convenient for the PPH plate joint side to extend into. The heating clamping cylinder drives the two heating clamping sliders to approach, so that the top pushing welding upper beam and the top pushing welding lower beam are close, which is convenient for heating and welding of the joint side of the PPH plate.

2. The PPH purification tank curling and welding machine according to claim 1, characterized in that: The first clamping system includes a first transverse movement device, a first rotating device and a first clamping device. The first rotating device is slidably mounted on the first transverse movement device. The first clamping device is mounted on the first rotating device. The first clamping device forms a first clamping rotating end.

3. The PPH purification tank curling and welding machine according to claim 2, characterized in that: The first transverse movement device includes a first transverse movement frame and two first transverse movement blocks. The two first transverse movement blocks slide horizontally along the first transverse movement frame, and the first rotating device is installed between the two first transverse movement blocks.

4. The PPH purification tank curling and welding machine according to claim 2, characterized in that: The first rotating device is a first rotating motor, which is mounted on the first transverse moving device. The first clamping device is mounted on the output end of the first rotating motor, and the first rotating motor is transmission-connected to the first clamping device.

5. The PPH purification tank curling and welding machine according to claim 2, characterized in that: The first clamping device includes two first clamping rails and two pairs of first clamping sliders. Each first clamping slider is slidably mounted on the corresponding first clamping rail. The two first clamping rails are both mounted on the first transverse movement device. A first clamping cylinder is provided between the two first clamping sliders on the same first clamping rail, and a first clamping beam is installed between the two opposite first clamping sliders.

6. The PPH purification tank curling and welding machine according to claim 1, characterized in that: The second clamping system includes a second transverse device, a second rotating device and a second clamping device. The second rotating device is slidably mounted on the second transverse device. The second clamping device is mounted on the second rotating device. The second clamping device forms a second clamping rotating end.

7. The PPH purification tank curling and welding machine according to claim 6, characterized in that: The second transverse movement device includes a second transverse movement frame and two second transverse movement blocks. The two second transverse movement blocks slide horizontally along the second transverse movement frame. The second rotary device is installed between the two second transverse movement blocks.

8. The PPH purification tank curling and welding machine according to claim 6, characterized in that: The second rotating device is a second rotating motor, which is mounted on the second transverse moving device. The second clamping device is mounted on the output end of the second rotating motor, and the second rotating motor is transmission-connected to the second clamping device.

9. The PPH purification tank curling and welding machine according to claim 6, characterized in that: The second clamping device includes two second clamping rails and two pairs of second clamping sliders. Each second clamping slider is slidably mounted on the corresponding second clamping rail. The two second clamping rails are both mounted on the second transverse movement device. A second clamping cylinder is provided between the two second clamping sliders on the same second clamping rail, and a second clamping beam is installed between the two opposite second clamping sliders.

10. A PPH purification tank tailor-welding process using the PPH purification tank tailor-welding machine according to claim 1, characterized in that: The steps include: S1: The first clamping system and the second clamping system clamp the two ends of the PPH sheet; S2: The first clamping system and the second clamping system respectively drive the two ends of the PPH plate to rotate; S3: Push the welded upper beam to lift the middle part of the PPH plate upward; S4: Both ends of the PPH plate are extended into the heating zone under the clamping rotation of the first clamping system and the second clamping system, and the top push welding upper beam and the top push welding lower beam are close to each other to achieve welding.

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