A flanging device for polytetrafluoroethylene pipe

Abstract

The application discloses a flanging device for polytetrafluoroethylene pipe material and relates to the technical field of polytetrafluoroethylene pipe material processing. The flanging device comprises a workbench, one end of the top of the workbench is provided with an intermittent rotating mechanism, and the intermittent rotating mechanism comprises a motor, a rotating plate, a fixing strip and a rotating disc. When it is necessary to replace new pipe material waiting for processing, the motor is started to drive the connecting shaft and the rotating plate to rotate, thereby driving the fixing block to rotate into one of the sliding grooves and continue to slide along the sliding groove, thereby driving the fixing strip and the rotating disc to rotate. The fixing block leaves the sliding groove to be one movement cycle. In the cycle process, the rotating disc is driven to rotate, the pipe material is rotated after the flanging is completed, the new unprocessed pipe material is moved to the position corresponding to the heating block and the flanging block, the processed pipe material can be replaced by the new unprocessed pipe material by the staff, and the pipe material is repeatedly replaced, so that the pipe material is quickly replaced, the operation is simple, and the flanging efficiency of the pipe material is remarkably improved.

Description

TECHNICAL FIELD

[0001] The application relates to the polytetrafluoroethylene pipe processing technical field and particularly relates to a flanging device for polytetrafluoroethylene pipes. BACKGROUND

[0002] Flanging refers to a forming method that a certain angle straight wall or flange is formed along a closed or non-closed curved edge on a flat or curved surface of a blank by the action of a die, and PFA and PTFF tetrafluoro materials have excellent comprehensive use performances such as wear resistance, impact resistance, self-lubrication and corrosion resistance, and the polytetrafluoroethylene pipe can be used for conveying solid powder and solid-liquid mixture, and a flanging device needs to be used for flanging operation in the polytetrafluoroethylene pipe production process.

[0003] The utility model discloses a flanging device for polytetrafluoroethylene pipes, which comprises a rack, a flanging mechanism and a pipe fixing mechanism. The flanging mechanism comprises a main drive cylinder, a side cylinder, a flanging die and a shaping die. The output end of the main drive cylinder is fixedly provided with a mounting seat. A slide block that can slide left and right is arranged below the mounting seat. The flanging die and the shaping die are arranged on the lower end face of the slide block. A groove is formed in the upper surface of the side of the slide block close to the side cylinder. A protrusion that matches the groove is fixedly arranged below the output end of the side cylinder. The pipe fixing mechanism comprises a base and a clamping piece. The base is arranged at the bottom of the rack. A centering protrusion is arranged on the surface of the base. The clamping piece is supported on the base through a support rod. The flanging die and the shaping die can be quickly switched, and the pipe installation is more convenient.

[0004] The device has the following problems in use. When the device is used for flanging the polytetrafluoroethylene pipe, the pipe needs to be disassembled after the flanging is completed, and then the pipe needs to be assembled again for continuous flanging operation. The operation is complicated, the flanging efficiency of the pipe is low, and the worker is easily scalded. In addition, the end of the flanged pipe has a low cooling rate. In view of the above problems, the present application provides a flanging device for polytetrafluoroethylene pipes to solve the above problems. SUMMARY

[0005] In order to solve the problems of low flanging efficiency of the pipe and low cooling rate of the end of the flanged pipe, and to prevent the worker from being scalded, the present application aims to provide a flanging device for polytetrafluoroethylene pipes.

[0006] To solve the above technical problems, the application adopts the following technical scheme: a flanging device for polytetrafluoroethylene pipe, comprising a workbench, an intermittent rotating mechanism is arranged at one end of the top of the workbench, a reciprocating mechanism is arranged on the intermittent rotating mechanism, a cooling mechanism is arranged above the reciprocating mechanism, two pipe clamping mechanisms are arranged at the center of the top of the workbench, the intermittent rotating mechanism is connected with the pipe clamping mechanism close to the intermittent rotating mechanism, the cooling mechanism is connected with the pipe clamping mechanism away from the intermittent rotating mechanism, a flanging mechanism is arranged at the other end of the top of the workbench, the intermittent rotating mechanism comprises a first vertical plate, a motor is mounted on one side of the first vertical plate, a connecting shaft is fixedly arranged at the output end of the motor and passes through the first vertical plate, a rotating plate is fixedly arranged at one end of the connecting shaft, a fixed block is fixedly arranged on one side of the rotating plate, a rotating disc is arranged in contact on one side of the fixed block, a plurality of fixed strips are fixedly arranged on the outer wall of the rotating disc, a sliding groove is formed in one side of the fixed strip, the fixed block is in sliding fit with the sliding groove, a through hole is formed in one side of the rotating disc, a fixed tube is fixedly arranged on one side of the through hole, the fixed tube is connected with the pipe clamping mechanism close to the motor, a fan-shaped plate is fixedly arranged at the bottom of the rotating plate, a stable plate is slidably arranged at the bottom of the fan-shaped plate, the reciprocating mechanism comprises two second vertical plates, a rotating shaft is rotatably arranged between the two second vertical plates, an eccentric wheel is fixedly arranged at one end of the rotating shaft and passes through one of the second vertical plates, the eccentric wheel is movably arranged in an annular plate, a first belt pulley is sleeved on the rotating shaft, the first belt pulley is drivingly arranged with a second belt pulley through a conveying belt, the second belt pulley is sleeved on the connecting shaft, a U-shaped plate is fixedly arranged at the bottom of the annular plate, a guide strip is fixedly arranged on one side of the second vertical plate close to the motor, a perforation is formed in one side of the guide strip, and the perforation is in sliding fit with the U-shaped plate.

[0007] Preferably, the pipe clamping mechanism comprises a stable seat, the stable seat is fixedly matched with the center of the top of the workbench at the bottom, a circular plate is rotatably arranged at the top of the stable seat, a plurality of clamping holes are formed in the outer circle of one side of the circular plate, a first circular hole is formed in the center of one side of the circular plate, and one end of the fixed tube is fixedly matched with one side of the mounting seat close to the motor.

[0008] Preferably, the clamping holes are symmetrically fixedly arranged with connecting blocks at both ends of one side, the connecting blocks are fixedly arranged with intermediate blocks through first electric push rods at one side, the intermediate blocks are fixedly arranged with clamping blocks at one side, and the two clamping blocks are oppositely arranged.

[0009] Preferably, the cooling mechanism comprises a cooling box, a piston plate is slidably arranged inside the cooling box, a lifting plate is fixedly arranged at the bottom of the piston plate, the bottom end of the lifting plate is fixedly matched with the top of the annular plate through the cooling box, an air inlet pipe and an air outlet pipe are respectively and communicatively arranged at one end and the center of the top of the cooling box, one-way valves are mounted on the surfaces of the air inlet pipe and the air outlet pipe, third vertical plates are fixedly arranged at the corners of the bottom of the cooling box, and the bottoms of the first vertical plate, the second vertical plate, the third vertical plate and the stabilizing plate are fixedly matched with one end of the top of the workbench.

[0010] Preferably, the top end of the air outlet pipe is communicatively arranged with a turning pipe, the turning pipe is rotatably arranged with a gas collecting box through a through hole, a fixed pipe and two first circular holes at one end, a plurality of cooling pipes are communicatively arranged on the outer wall of the gas collecting box, electromagnetic valves are mounted on the surfaces of the cooling pipes, and one side of the gas collecting box is fixedly matched with one side of the circular plate away from the motor.

[0011] Preferably, the flanging mechanism comprises a supporting seat, the bottom of the supporting seat is fixedly matched with the other end of the top of the workbench, a supporting plate is fixedly arranged at the top of the supporting seat, a first mounting block is fixedly arranged at one end of the top of the supporting plate, a second mounting block is fixedly arranged on one side of the first mounting block through a second electric push rod, an L-shaped sliding plate is fixedly arranged on one side of the second mounting block, a mounting seat is fixedly arranged at the top of the L-shaped sliding plate, two second circular holes are formed in one side of the mounting seat, and two third electric push rods are fixedly arranged on one side of the inner wall of the L-shaped sliding plate, and heating blocks and flanging blocks are fixedly arranged at the output ends of the two third electric push rods through the second circular holes.

[0012] Compared with the prior art, the present application has the following beneficial effects:

[0013] 1. When it is necessary to replace new pipe materials to be processed, the motor is started to drive the connecting shaft and the rotating plate to rotate, thereby driving the fixing block to rotate into one of the sliding grooves and continue to slide along the sliding groove, and further drive the fixing strip and the rotating disc to rotate, the fixing block leaves the sliding groove as a movement cycle, in the cycle process, the circular plate is driven to rotate, the pipe material after flanging is rotated, the new unprocessed pipe material is moved to the position corresponding to the heating block and the flanging block, and the processed pipe material can be replaced by the new unprocessed pipe material by the worker, and the process is repeated, so that the purpose of quickly replacing the pipe material is achieved, the operation is simple, and the flanging efficiency of the pipe material is significantly improved.

[0014] 2、When the fixed block moves along the sliding groove, the connecting shaft rotates, driving the second pulley and the first pulley to rotate, and then driving the rotating shaft and the eccentric wheel to rotate, and then driving the annular plate to complete a complete process of moving down and moving up along the vertical direction, the annular plate moves down, driving the lifting plate and the piston plate to move down, and the external air is sucked into the cooling box through the air inlet pipe, the annular plate moves up, driving the piston plate to move up, and the air is pushed out of the cooling box through the air outlet pipe, the air enters the folding pipe through the air outlet pipe, and then flows through the folding pipe into the gas collecting box, and the corresponding electromagnetic valve of the processed pipe is started, the air is sprayed out through the cooling pipe, so that the purpose of cooling the processed pipe is achieved, the cooling rate of the pipe is improved, and the worker is prevented from being scalded. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0016] Figure 1 It is a first perspective view of the present application;

[0017] Figure 2 It is a second perspective view of the present application;

[0018] Figure 3 It is a sectional view of the present application;

[0019] Figure 4 It is a structure diagram of the intermittent rotation mechanism of the present application;

[0020] Figure 5 It is a structure diagram of the cooling mechanism of the present application;

[0021] Figure 6 It is a structure diagram of the pipe clamping mechanism of the present application;

[0022] Figure 7 It is a structure diagram of the flanging mechanism of the present application;

[0023] Figure 8 It is a structure diagram of the reciprocating mechanism of the present application;

[0024] Figure 9 It is a structure diagram of the reciprocating mechanism of the present application; Figure 3

[0025] ​In the diagram: 1. Workbench; 2. Intermittent rotation mechanism; 21. First vertical plate; 22. Motor; 23. Connecting shaft; 24. Rotating plate; 25. Fixed block; 26. Turntable; 27. Fixing strip; 28. Slide groove; 29. ​​Through hole; 210. Fixed pipe; 211. Sector plate; 212. Stabilizing plate; 3. Reciprocating mechanism; 31. Second vertical plate; 32. Rotating shaft; 33. Eccentric wheel; 34. First pulley; 35. Conveyor belt; 36. Second pulley; 37. U-shaped plate; 38. Guide strip; 39. Annular plate; 4. Cooling mechanism; 41. Cooling box; 42. Piston plate; 43. Lifting mechanism. 44. Inlet pipe; 45. Outlet pipe; 46. One-way valve; 47. Third vertical plate; 48. Folding pipe; 49. Air collection box; 410. Cooling pipe; 411. Solenoid valve; 5. Pipe clamping mechanism; 51. Stabilizing seat; 52. Circular plate; 53. First circular hole; 54. Clamping hole; 55. Connecting block; 56. First electric push rod; 57. Clamping block; 6. Flanging mechanism; 61. Support seat; 62. Support plate; 63. First mounting block; 64. Second electric push rod; 65. L-shaped sliding plate; 66. Third electric push rod; 67. Mounting seat; 68. Flanging block; 69. Heating block. Detailed Implementation

[0026] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0027] Example: Figures 1-9 As shown, this invention provides a flanging device for polytetrafluoroethylene (PTFE) pipes, including a workbench 1. An intermittent rotation mechanism 2 is located at one end of the top of the workbench 1. A reciprocating mechanism 3 is located on the intermittent rotation mechanism 2, and a cooling mechanism 4 is located above the reciprocating mechanism 3. Two pipe clamping mechanisms 5 are located at the center of the top of the workbench 1. The intermittent rotation mechanism 2 is connected to the pipe clamping mechanism 5 closest to the intermittent rotation mechanism 2, and the cooling mechanism 4 is connected to the pipe clamping mechanism 5 furthest from the intermittent rotation mechanism 2. A flanging mechanism 6 is located at the other end of the top of the workbench 1. The intermittent rotation mechanism 2 facilitates quick replacement of the PTFE pipe to be processed, thereby improving the flanging efficiency of the pipe. The reciprocating mechanism 3 facilitates the intermittent rotation mechanism 2 to drive the cooling mechanism 4 to work normally. The cooling mechanism 4 facilitates cooling of the flanged pipe end, accelerating the cooling rate of the pipe and preventing burns to workers.

[0028] The intermittent rotating mechanism 2 comprises a first vertical plate 21, one side of the first vertical plate 21 is provided with a motor 22, the output end of the motor 22 is fixedly provided with a connecting shaft 23 penetrating through the first vertical plate 21, one end of the connecting shaft 23 is fixedly provided with a rotating plate 24, one side of the rotating plate 24 is fixedly provided with a fixed block 25, one side of the fixed block 25 is in contact with a rotating disc 26, a plurality of fixed strips 27 are fixedly arranged on the outer wall of the rotating disc 26, a sliding groove 28 is formed in one side of the fixed strip 27, the fixed block 25 is in sliding fit with the sliding groove 28, a through hole 29 is formed in one side of the rotating disc 26, and a fixed pipe 210 is fixedly arranged on one side of the through hole 29 and connected with the pipe clamping mechanism 5 close to the motor 22.

[0029] By adopting the above technical scheme, when it is necessary to replace new pipe to be processed, the motor 22 is started to drive the connecting shaft 23 and the rotating plate 24 to rotate, and then drive the fixed block 25 to rotate into one of the sliding grooves 28 and continue to slide along the sliding groove 28, and then drive the fixed strip 27 and the rotating disc 26 to rotate, and then drive the pipe clamping mechanism 5 to rotate, so that the new pipe is replaced for continuous processing, and the efficiency of the pipe flanging is improved.

[0030] The bottom of the rotating plate 24 is fixedly provided with a fan-shaped plate 211, and the bottom of the fan-shaped plate 211 is slidably provided with a stable plate 212.

[0031] By adopting the above technical scheme, when the rotating plate 24 rotates, the fan-shaped plate 211 slides along the top of the stable plate 212, so that the structure is more stable when the rotating plate 24 rotates.

[0032] The reciprocating mechanism 3 comprises two second vertical plates 31, a rotating shaft 32 is rotatably arranged between the two second vertical plates 31, an eccentric wheel 33 is fixedly arranged on one end of the rotating shaft 32 and penetrating through one of the second vertical plates 31, the eccentric wheel 33 is movably arranged in an annular plate 39, a first belt pulley 34 is sleeved on the rotating shaft 32, the first belt pulley 34 is drivingly provided with a second belt pulley 36 through a transmission belt 35, and the second belt pulley 36 is sleeved on the connecting shaft 23.

[0033] By adopting the above technical scheme, when the connecting shaft 23 rotates, the second belt pulley 36 and the first belt pulley 34 are driven to rotate, and then the rotating shaft 32 and the eccentric wheel 33 are driven to rotate, and then the annular plate 39 is driven to move along the vertical direction, so that the cooling mechanism 4 normally works.

[0034] The bottom of the annular plate 39 is fixedly provided with a U-shaped plate 37, one side of the second vertical plate 31 close to the motor 22 is fixedly provided with a guide strip 38, a perforation is formed in one side of the guide strip 38, and the perforation is in sliding fit with the U-shaped plate 37.

[0035] By adopting the above technical scheme, when the annular plate 39 moves along the vertical direction, the U-shaped plate 37 slides along the vertical direction of the perforation, so that the structural stability when the annular plate 39 moves is improved.

[0036] The pipe clamping mechanism 5 comprises a stable seat 51 fixedly connected to the top center of the workbench 1, a circular plate 52 rotatably arranged on the top of the stable seat 51, a plurality of clamping holes 54 arranged on one side of the circular plate 52, a first circular hole 53 arranged on the center of one side of the circular plate 52, and a fixed pipe 210 fixedly connected to one side of the mounting seat 67 close to the motor 22.

[0037] According to the above technical scheme, when the polytetrafluoroethylene pipes need to be clamped and limited, the plurality of polytetrafluoroethylene pipes are respectively inserted between the corresponding two clamping holes 54, so as to facilitate the support and limitation of the pipes.

[0038] The clamping holes 54 are symmetrically provided with connecting blocks 55 at both ends of one side, the connecting blocks 55 are fixedly provided with middle blocks on one side through the first electric push rod 56, the middle blocks are fixedly provided with clamping blocks 57 on one side, and the two clamping blocks 57 are oppositely arranged.

[0039] According to the above technical scheme, the first electric push rod 56 is started to be elongated, and the corresponding two clamping blocks 57 are driven to move relatively, so as to clamp and limit the pipes, and avoid the movement of the pipes during the flanging process.

[0040] The cooling mechanism 4 comprises a cooling box 41, a piston plate 42 slidably arranged in the cooling box 41, a lifting plate 43 fixedly arranged on the bottom of the piston plate 42, the lifting plate 43 fixedly connected to the top of the annular plate 39 through the cooling box 41, an air inlet pipe 44 and an air outlet pipe 45 respectively arranged at one end and the center of the top of the cooling box 41, one-way valves 46 mounted on the surfaces of the air inlet pipe 44 and the air outlet pipe 45, third vertical plates 47 fixedly arranged at the bottom corners of the cooling box 41, and the first vertical plate 21, the second vertical plate 31, the third vertical plate 47 and the stable plate 212 fixedly connected to one end of the top of the workbench 1.

[0041] According to the above technical scheme, when the annular plate 39 moves downward along the vertical direction, the lifting plate 43 and the piston plate 42 are driven to move downward, external air is sucked into the cooling box 41 through the air inlet pipe 44, and the one-way valve 46 on the air inlet pipe 44 only allows air to enter the cooling box 41, when the annular plate 39 moves upward along the vertical direction, the piston plate 42 is driven to move upward, air is pushed out of the cooling box 41 through the air outlet pipe 45, and the one-way valve 46 on the air outlet pipe 45 only allows air to leave the cooling box 41, so as to facilitate the cooling of the pipes.

[0042] The top end of the air outlet pipe 45 is communicated with a turning pipe 48, one end of the turning pipe 48 is rotatably arranged through the through hole 29, the fixed pipe 210 and two first circular holes 53, and a gas collecting box 49 is arranged at one side of the turning pipe 48, and the outer wall of the gas collecting box 49 is communicated with a plurality of cooling pipes 410, the surface of the cooling pipes 410 is provided with electromagnetic valves 411, and one side of the gas collecting box 49 is fixedly connected with one side of the circular plate 52 away from the motor 22.

[0043] Through the above technical scheme, when the air enters the turning pipe 48 through the air outlet pipe 45, one of the electromagnetic valves 411 is opened, and the air is sprayed out through the cooling pipes 410 to cool the pipe material corresponding to the cooling pipes 410.

[0044] The flanging mechanism 6 comprises a supporting seat 61, the bottom of the supporting seat 61 is fixedly connected with the other end of the top of the workbench 1, the top of the supporting seat 61 is fixedly provided with a supporting plate 62, one end of the top of the supporting plate 62 is fixedly provided with a first mounting block 63, one side of the first mounting block 63 is fixedly provided with a second mounting block through a second electric push rod 64, one side of the second mounting block is fixedly provided with an L-shaped sliding plate 65, the top of the L-shaped sliding plate 65 is fixedly provided with a mounting seat 67, one side of the mounting seat 67 is provided with two second circular holes, one side of the inner wall of the L-shaped sliding plate 65 is fixedly provided with two third electric push rods 66, and the output ends of the two third electric push rods 66 are fixedly provided with a heating block 69 and a flanging block 68 through the second circular holes.

[0045] Through the above technical scheme, when the pipe material is flanged, the heating block 69 is started to heat (this is prior art and will not be repeated), the third electric push rod 66 corresponding to the heating block 69 is started to elongate, the heating block 69 is driven to move and contact the inner wall of the pipe material to heat the end face of the pipe material to soften, then the third electric push rod 66 is shortened to move away from the pipe material, then the second electric push rod 64 is started to shorten, the L-shaped sliding plate 65 is driven to move, and then the flanging block 68 is driven to move opposite to the pipe material, the third electric push rod 66 corresponding to the flanging block 68 is started to elongate, and then the flanging block 68 is inserted into the end face of the pipe material to flange the pipe material.

[0046] Working principle:

[0047] When it is necessary to clamp and position the pipe material, a plurality of polytetrafluoroethylene pipe materials are respectively inserted between the corresponding two clamping holes 54, the first electric push rod 56 is started to elongate, the corresponding two clamping blocks 57 are driven to move opposite to each other, the pipe material is clamped and positioned, and movement of the pipe material in the flanging process is avoided.

[0048] When the pipe needs to be flanged, the heating block 69 is started to heat up (this is prior art and will not be described again), the third electric push rod 66 corresponding to the heating block 69 is started to extend, driving the heating block 69 to move into contact with the inner wall of the pipe to heat the end face of the pipe to soften it, and then the third electric push rod 66 is shortened to move away from the pipe, then the second electric push rod 64 is started to shorten, driving the L-shaped sliding plate 65 to move, and then driving the flanging block 68 to move opposite to the pipe, the third electric push rod 66 corresponding to the flanging block 68 is started to extend, and then the flanging block 68 is inserted into the end face of the pipe, and the third electric push rod 66 is shortened to move the flanging block 68 away from the end face of the pipe to perform the flanging operation on the pipe.

[0049] When a new pipe to be processed needs to be replaced, the motor 22 is started to drive the connecting shaft 23 and the rotating plate 24 to rotate, and then drive the fixed block 25 to rotate into one of the sliding grooves 28 and continue to slide along the sliding groove 28, and then drive the fixed strip 27 and the rotating disc 26 to rotate, the fixed block 25 leaves the sliding groove 28 for a movement cycle, during which the circular plate 52 is rotated to rotate the pipe after flanging, and the new unprocessed pipe moves to the position corresponding to the heating block 69 and the flanging block 68, and the processed pipe can be replaced by a new unprocessed pipe by the worker, and so on, so as to achieve the purpose of quickly replacing the pipe, and the operation is simple, so that the flanging efficiency of the pipe is significantly improved.

[0050] When the fixed block 25 slides along the sliding groove 28, the connecting shaft 23 rotates to drive the second belt pulley 36 and the first belt pulley 34 to rotate, and then drive the rotating shaft 32 and the eccentric wheel 33 to rotate, and then drive the annular plate 39 to complete a complete process of moving down and moving up in the vertical direction, during which the annular plate 39 moves down to drive the lifting plate 43 and the piston plate 42 to move downward, and the external air is sucked into the cooling box 41 through the air inlet pipe 44, and during the upward movement of the annular plate 39, the piston plate 42 is driven upward to push the air out of the cooling box 41 through the air outlet pipe 45, and after the air enters the turning pipe 48 through the air outlet pipe 45, it flows into the gas collecting box 49, and at the same time, the electromagnetic valve 411 corresponding to the processed pipe is started, and the air is sprayed out through the cooling pipe 410, so as to achieve the purpose of cooling the processed pipe, so that the cooling rate of the pipe is improved, and the worker is prevented from being scalded.

[0051] Obviously, those skilled in the art can make various modifications and variations to the present application without departing from the spirit and scope of the present application. Thus, if these modifications and variations of the present application fall within the scope of the claims of the present application and their equivalent technologies, the present application also intends to include these modifications and variations.

Claims

1. A flanging device for polytetrafluoroethylene pipes, comprising a worktable (1), characterized in that: The workbench (1) top one end is provided with intermittent rotation mechanism (2), intermittent rotation mechanism (2) is provided with reciprocating mechanism (3) on, reciprocating mechanism (3) top is provided with cooling mechanism (4), the workbench (1) top center is provided with two pipe clamping mechanism (5), intermittent rotation mechanism (2) is connected with the pipe clamping mechanism (5) close to intermittent rotation mechanism (2), cooling mechanism (4) is connected with the pipe clamping mechanism (5) far from intermittent rotation mechanism (2), the workbench (1) top other end is provided with flanging mechanism (6); The intermittent rotation mechanism (2) includes a first vertical plate (21), a motor (22) is mounted on one side of the first vertical plate (21), a connecting shaft (23) is fixedly provided on the output end of the motor (22) penetrating through the first vertical plate (21), a rotating plate (24) is fixedly provided on one end of the connecting shaft (23), a fixed block (25) is fixedly provided on one side of the rotating plate (24), a rotating disc (26) is in contact with one side of the fixed block (25), a plurality of fixed strips (27) are fixedly provided on the outer wall of the rotating disc (26), a sliding groove (28) is formed on one side of the fixed strip (27), the fixed block (25) is in sliding fit with the sliding groove (28), a through hole (29) is formed on one side of the rotating disc (26), a fixed pipe (210) is fixedly provided on one side of the through hole (29), and the fixed pipe (210) is connected with the pipe clamping mechanism (5) close to the motor (22). The rotating plate (24) is fixedly provided with a fan-shaped plate (211) at the bottom, and a stable plate (212) is slidably arranged at the bottom of the fan-shaped plate (211). The reciprocating mechanism (3) includes two second vertical plates (31), a rotating shaft (32) is rotatably arranged between the two second vertical plates (31), an eccentric wheel (33) is fixedly provided on one end of the rotating shaft (32) penetrating through one of the second vertical plates (31), the eccentric wheel (33) is movably arranged in the annular plate (39), a first belt pulley (34) is sleeved on the rotating shaft (32), the first belt pulley (34) is in transmission with a second belt pulley (36) through a conveyor belt (35), and the second belt pulley (36) is sleeved on the connecting shaft (23). The cooling mechanism (4) includes a cooling box (41), a piston plate (42) is slidably arranged in the cooling box (41), the piston plate (42) is fixedly provided with a lifting plate (43) at the bottom, the lifting plate (43) is fixedly matched with the top of the annular plate (39) through the cooling box (41) at the bottom end, an air inlet pipe (44) and an air outlet pipe (45) are respectively and communicatively arranged at one end and the center of the top of the cooling box (41), one-way valves (46) are mounted on the surfaces of the air inlet pipe (44) and the air outlet pipe (45), third vertical plates (47) are fixedly arranged at the bottom corners of the cooling box (41), and the bottoms of the first vertical plate (21), the second vertical plate (31), the third vertical plate (47) and the stable plate (212) are fixedly matched with one end of the top of the workbench (1). The top end of the air outlet pipe (45) is communicated with a turning pipe (48), one end of the turning pipe (48) is rotatably provided with a gas collecting box (49) through a through hole (29), a fixing pipe (210) and two first circular holes (53), the outer wall of the gas collecting box (49) is communicated with a plurality of cooling pipes (410), the surface of the cooling pipe (410) is provided with an electromagnetic valve (411), and one side of the gas collecting box (49) is fixedly connected with one side of the circular plate (52) away from the motor (22).

2. A flanging device for polytetrafluoroethylene tubing as defined in claim 1, wherein The bottom of the annular plate (39) is fixedly provided with a U-shaped plate (37), and one side of the second vertical plate (31) close to the motor (22) is fixedly provided with a guide strip (38), one side of the guide strip (38) is provided with a through hole, and the through hole is in sliding connection with the U-shaped plate (37).

3. A flanging device for polytetrafluoroethylene tubing as defined in claim 1, wherein The pipe clamping mechanism (5) comprises a stable seat (51), the bottom of the stable seat (51) is fixedly connected with the top center of the workbench (1), and the top of the stable seat (51) is rotatably provided with a circular plate (52), a plurality of clamping holes (54) are formed in the outer circle of one side of the circular plate (52), and a first circular hole (53) is formed in the center of one side of the circular plate (52).

4. A flanging device for polytetrafluoroethylene tubing as defined in claim 3, wherein The clamping holes (54) are symmetrically provided with connecting blocks (55) at both ends of one side, the connecting blocks (55) are fixedly provided with middle blocks through first electric push rods (56) at one side, and the middle blocks are fixedly provided with clamping blocks (57) at one side.

5. A flanging device for polytetrafluoroethylene tubing as defined in claim 1, wherein The flanging mechanism (6) comprises a supporting seat (61), the bottom of the supporting seat (61) is fixedly connected with the other end of the top of the workbench (1), and the top of the supporting seat (61) is fixedly provided with a supporting plate (62), one end of the top of the supporting plate (62) is fixedly provided with a first mounting block (63), the first mounting block (63) is fixedly provided with a second mounting block through a second electric push rod (64) at one side, the second mounting block is fixedly provided with an L-shaped sliding plate (65) at one side, the L-shaped sliding plate (65) is fixedly provided with a mounting seat (67) at the top, two second circular holes are formed in one side of the mounting seat (67), and the inner wall of the L-shaped sliding plate (65) is fixedly provided with two third electric push rods (66) at one side, and the output ends of the two third electric push rods (66) are fixedly provided with a heating block (69) and a flanging block (68) through the second circular holes.

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