PVC pipe chamfering machining device

Abstract

The PVC pipe chamfering machining device comprises a base and a side plate fixedly connected to one side of the upper surface of the base, supporting rods distributed in a rectangular shape are fixedly connected to one side of the upper surface of the base, and a scrap collecting cylinder is fixedly connected to the top ends of the supporting rods; a variable-diameter chamfering assembly used for chamfering pipes with different diameters is arranged on the side, close to the side plate, of the inner side wall of the scrap collecting cylinder, a sliding rail is arranged on the side, away from the side plate, of the upper surface of the base, and a sliding support is slidably connected to the sliding rail. The top end of the sliding support is provided with a variable-diameter clamping assembly used for clamping pipes with different diameters. Through cooperation of the base, the side plate, the supporting rod, the chip collecting cylinder, the variable-diameter chamfering assembly, the sliding rail, the sliding support, the variable-diameter clamping assembly and the chamfering opening, the situation that when pipes of different specifications are chamfered, equipment needs to be stopped continuously, and a clamping tool and a chamfering tool need to be replaced, so that the overall chamfering efficiency of the device is affected is avoided as much as possible.

Description

Technical Field

[0001] The invention relates to the technical field of pipe processing, in particular to a PVC pipe chamfering processing device. Background Art

[0002] Chamfering of PVC pipes is a very common and important step in pipeline installation and processing. Its purpose is to facilitate the socket connection between pipes, remove burrs and sharp edges, and improve the reliability of the connection between pipes.

[0003] In the prior art, since the chamfering knives and clamps required for chamfering pipes of different specifications are different in specifications, if the specifications of the pipes to be chamfered in the same batch are different, the equipment needs to be continuously shut down and the clamps and chamfering knives need to be replaced when chamfering pipes of different specifications, which seriously affects the overall chamfering efficiency of the device. Summary of the Invention

[0004] In order to solve the defect in the prior art that when chamfering pipes of different specifications, the equipment needs to be constantly shut down and the clamps and chamfering knives need to be replaced, which seriously affects the overall chamfering efficiency of the device, the present invention provides a PVC pipe chamfering processing device.

[0005] In order to solve the above technical problems, the present invention provides the following technical solutions: The present invention provides a PVC pipe chamfering processing device, comprising a base and a side plate fixedly connected to one side of the upper surface of the base, wherein one side of the upper surface of the base is fixedly connected to support rods distributed in a rectangular shape, and the top ends of the support rods are fixedly connected to a chip collecting barrel, and a variable diameter chamfering assembly for chamfering pipes of different diameters is provided on the side of the inner side wall of the chip collecting barrel close to the side plate; A slide rail is provided on the side of the upper surface of the base away from the side plate, and a sliding bracket is slidably connected to the slide rail. A variable diameter clamping assembly for clamping pipes of different diameters is provided on the top of the sliding bracket. A chamfered opening is provided on the side of the chip collecting barrel close to the variable diameter clamping assembly, and a chip removal assembly is provided at the bottom end of the chip collecting barrel.

[0006] As an optimal technical solution of the present invention, the variable diameter chamfering assembly includes a chamfering disk rotatably connected to the inner wall of the chip collecting barrel away from the opening side, and a variable diameter groove is opened on one side of the outer wall of the chamfering disk and symmetrically distributed along the axis of the chamfering disk. A bidirectional threaded rod arranged along the length direction of the variable diameter groove is rotatably connected in the variable diameter groove, and both ends of the outer wall of the bidirectional threaded rod are threadedly connected to a threaded sleeve, and the outer wall of the threaded sleeve is fixedly connected to a chamfering cutter at one end close to the variable diameter clamping assembly, and both ends of the bidirectional threaded rod are fixedly connected to an adjusting handwheel, and a motor is fixedly installed on the side of the outer wall of the side plate close to the chamfering disk, the output end of the motor is fixedly connected to a transmission rod, and the end of the transmission rod away from the motor is fixedly connected to the chamfering disk.

[0007] The cam is fixedly provided with a toothed connecting strip which is adapted to connect the cam and the toothed connecting strip, and the cam is fixedly provided with a toothed connecting strip which is adapted to connect the cam and the toothed connecting strip.

[0008] As a preferred technical solution of the present invention, an opening is provided on the side of the outer wall of the clamping cylinder close to the driving ring, and connecting plates are fixedly connected on both sides of the outer wall of the clamping cylinder close to the opening. A worm is rotatably connected between the two connecting plates, and the outer wall of the driving ring is located in the opening and is fixedly connected to a turbine that meshes with the worm.

[0009] As a preferred technical solution of the present invention, one end of the worm passes through the connecting plate and is fixedly connected to a clamping adjustment handle, and push-pull handles are fixedly connected to both sides of the outer wall of the clamping cylinder away from one end of the chip collecting cylinder.

[0010] As a preferred technical solution of the present invention, a limiting cylinder is fixedly installed on both sides of the outer wall of the side plate near the variable diameter clamping assembly, and a connecting plate is fixedly connected to both sides of the outer wall of the clamping cylinder near the limiting cylinder. One side of the outer wall of the connecting plate is fixedly connected to a limiting rod that is slidably connected to the limiting cylinder.

[0011] As a preferred technical solution of the present invention, a first scale is embedded on the side of the outer wall of the clamping cylinder close to the opening, a first identification pointer is fixedly connected on the side of the outer wall of the turbine close to the first scale, a second scale is embedded on the side of the outer wall of the chamfered disk close to the reducing groove, a second scale pointer is fixedly connected on the side of the outer wall of the threaded sleeve close to the second scale, and a transparent observation window is provided on one side of the outer wall of the chip collecting cylinder.

[0012] As a preferred technical solution of the present invention, the chip removal assembly includes a chip removal tube fixedly connected to the bottom end of the chip collecting barrel, the inner bottom wall of the chip collecting barrel is provided with a chip removal opening for connecting the chip collecting barrel and the chip removal tube, a rotating rod arranged along the length direction of the chip removal tube is rotatably connected between the two sides of the inner wall of the chip removal tube, the outer wall of the rotating rod is fixedly connected with a spiral conveying blade, a chip collection tube connected to the chip removal tube is provided on the side of the lower surface of the chip removal tube away from the chip collecting barrel, and a chip collection box is provided on the upper surface of the base below the chip collection tube.

[0013] As a preferred technical solution of the present invention, one end of the rotating rod close to the side plate passes through the chip removal tube and is rotatably connected to the side plate, one side of the outer wall of the transmission rod is fixedly connected to the first transmission tooth, and the side of the outer wall of the rotating rod close to the first transmission tooth is fixedly connected to the second transmission tooth, and a transmission chain is provided between the first transmission tooth and the second transmission tooth for driving the second transmission tooth to rotate with the first transmission tooth.

[0014] As a preferred technical solution of the present invention, the top end of the outer wall of the chip collecting cylinder is fixedly connected to a piston cylinder, a piston plate is slidably connected to the piston cylinder, an L-shaped connecting rod is fixedly connected to one side of the outer wall of the clamping cylinder, and one end of the L-shaped connecting rod clamping cylinder is fixedly connected to the piston plate; One side of the outer wall of the side panel is fixedly connected to a water tank, and the bottom end of one side of the outer wall of the water tank is provided with a water pipe for connecting the water tank and the end of the piston cylinder close to the side panel, and the end of the outer wall of the piston cylinder close to the side panel is provided with a drainage pipe for connecting the piston cylinder and the chip collecting cylinder, and a refinement nozzle is provided at the bottom end of the drainage pipe, a one-way water inlet valve is provided in the water pipe, and a one-way water outlet valve is provided in the drainage pipe.

[0015] In summary, the present invention has the following beneficial effects: 1. The present invention cooperates with the base, side plates, support rods, chip collecting barrel, variable diameter chamfering assembly, slide rails, sliding brackets, variable diameter clamping assembly, and chamfering mouth. When in use, the staff can first clamp pipes of different specifications through the variable diameter clamping assembly. After clamping is completed, the variable diameter chamfering assembly is adjusted to adapt to the pipe diameter of the pipe clamped by the variable diameter clamping assembly at this time, and then the variable diameter clamping assembly is pushed through the chamfering mouth to move toward the variable diameter chamfering assembly for chamfering. At the same time, the chip collecting barrel can minimize the splashing of debris generated during the chamfering process, thereby enabling the device to quickly clamp pipes of different specifications through the variable diameter clamping assembly, and at the same time, the variable diameter chamfering assembly can be quickly adjusted to adapt to the pipe clamped by the variable diameter clamping assembly, thereby minimizing the need to constantly shut down the equipment and replace the clamp and chamfering knife when chamfering pipes of different specifications, thereby affecting the overall chamfering efficiency of the device.

[0016] 2. The present invention cooperates with the chip collection barrel, the first transmission gear, the second transmission gear, the transmission chain and the chip removal assembly. When the motor is turned on to chamfer the PVC pipe, the chips generated during the chamfering process enter the chip removal pipe through the chip removal opening. At the same time, the transmission rod drives the rotating rod and the spiral conveying blade to rotate through the first transmission gear, the second transmission gear and the transmission chain, and the chips entering the chip removal pipe through the chip removal opening are transported to one side of the chip collection pipe until the chips pass through the chip collection pipe and enter the chip collection box for collection. The chips generated during the chamfering process can be collected and recovered in a centralized manner for subsequent processing and utilization. 3. The present invention cooperates with the piston cylinder, piston plate, L-shaped connecting rod, water tank, water pipe, drain pipe, attenuating nozzle, one-way water inlet valve and one-way water outlet valve. When the clamping cylinder and the sliding bracket move along the slide rail toward the chip collecting cylinder, the L-shaped connecting rod and the piston plate will be driven to move along the piston cylinder toward the side plate. At this time, the water in the piston cylinder will flow to the attenuating nozzle through the one-way water outlet valve and the drain pipe as the piston plate is squeezed. After being refined by the attenuating nozzle, it will be sprayed below the attenuating nozzle (the chamfering area of ​​the PVC pipe), thereby removing the debris generated during the chamfering process. Spraying can cool the PVC pipe itself to a certain extent, preventing the chamfered edge from melting and curling due to the high temperature generated during the chamfering process, and at the same time try to avoid the high temperature caused by friction during the chamfering process causing the generation of HCL gas, which may affect the health of the workers. The part of the refined water flow directly sprayed in the direction of the chamfering knife can moisten the debris generated during the chamfering process of the PVC pipe, and try to avoid the debris from being adsorbed on the inner wall of the chip collection tube due to static electricity generated by friction during the chamfering process. The other part is evenly sprayed on the inner wall of the chip collection tube to rinse the inner wall of the chip collection tube. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings: Figure 1 This is a schematic diagram of the three-dimensional structure of a PVC pipe chamfering processing device of the present invention; Figure 2 This is a schematic diagram of the three-dimensional structure of a chip collecting barrel of a PVC pipe chamfering processing device of the present invention; Figure 3 This is a schematic diagram of a three-dimensional cross-sectional structure of a chip collecting barrel of a PVC pipe chamfering processing device of the present invention; Figure 4 This is a schematic diagram of the three-dimensional structure of a chamfering plate of a PVC pipe chamfering processing device of the present invention; Figure 5 This is a schematic diagram of the three-dimensional structure of a diameter-changing clamping assembly of a PVC pipe chamfering processing device of the present invention; Figure 6 This is a schematic diagram of the three-dimensional structure of a driving ring of a PVC pipe chamfering processing device of the present invention; Figure 7 This is a schematic diagram of a three-dimensional cross-sectional structure of a clamping cylinder of a PVC pipe chamfering processing device of the present invention; Figure 8 This is a schematic diagram of the three-dimensional structure of an outer fixing ring of a PVC pipe chamfering processing device of the present invention; Figure 9 This is a schematic diagram of the three-dimensional structure of the inner rotating ring of a PVC pipe chamfering processing device of the present invention; Figure 10 This is a schematic diagram of a three-dimensional cross-sectional structure of a limiting cylinder of a PVC pipe chamfering processing device of the present invention; Figure 11 The present invention is a schematic diagram of a three-dimensional cross-sectional structure of a water pipe of a PVC pipe chamfering processing device.

[0018] Description of reference numerals: 1. Base; 2. Side plate; 3. Support rod; 4. Chip collecting barrel; 5. Variable diameter chamfering assembly; 51. Chamfering plate; 52. Variable diameter groove; 53. Bidirectional threaded rod; 54. Threaded sleeve; 55. Chamfering cutter; 56. Adjusting hand wheel; 57. Motor; 58. Transmission rod; 6. Slide rail; 7. Sliding bracket; 8. Variable diameter clamping assembly; 81. Clamping barrel; 82. Drive ring; 83. Outer fixed ring; 84. Connecting rod; 85. Inner swivel; 86. Curved arc slide; 87. Straight slide; 88. First slide; 89. Clamping rod; 810. Second slide; 811. Opening; 812. Connecting plate; 813. Worm; 814. Turbine; 9. Chamfering opening; 10. Chip removal assembly; 1 01. Chip discharge pipe; 102. Chip discharge port; 103. Rotating rod; 104. Spiral conveying blade; 105. Chip collection pipe; 106. Chip collection box; 11. Clamping and adjusting handle; 12. Push-pull handle; 13. Limiting cylinder; 14. Connecting plate; 15. Limiting rod; 16. First scale; 17. First marking pointer; 18. Second scale; 19. Second scale pointer; 20. Transparent observation window; 21. First transmission gear; 22. Second transmission gear; 23. Transmission chain; 24. Piston cylinder; 25. Piston plate; 26. L-shaped connecting rod; 27. Water tank; 28. Water pipe; 29. ​​Drain pipe; 30. Refining nozzle; 31. One-way water inlet valve; 32. One-way water outlet valve. DETAILED DESCRIPTION

[0019] The preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0020] Example: Please refer to Figure 1 and Figure 2 The present invention provides a PVC pipe chamfering processing device, which includes a base 1 and a side plate 2 fixedly connected to one side of the upper surface of the base 1, one side of the upper surface of the base 1 is fixedly connected to a rectangularly distributed support rod 3, the top of the support rod 3 is fixedly connected to a chip collecting barrel 4, and a variable diameter chamfering component 5 for chamfering pipes of different diameters is provided on the side of the inner wall of the chip collecting barrel 4 close to the side plate 2.

[0021] Reference Figure 3 and Figure 4The reducing chamfering assembly 5 includes a chamfering disk 51 rotatably connected to the inner side wall of the chip collecting barrel 4 away from the chamfering opening 9. One side of the outer side wall of the chamfering disk 51 is provided with a reducing groove 52 arranged along the radial direction of the chamfering disk 51 and symmetrically distributed along the axis of the chamfering disk 51. A bidirectional threaded rod 53 arranged along the length direction of the reducing groove 52 is rotatably connected in the reducing groove 52 (the bidirectional threaded rod 53 is a threaded rod with opposite thread directions at both ends). Both ends of the outer side wall of the bidirectional threaded rod 53 are threadedly connected to a threaded sleeve 54 (the threaded sleeve 54 shape is adapted to the reducing groove 52 and is slidably connected to the reducing groove 52). The outer side wall of the threaded sleeve 54 is fixedly connected to a chamfering cutter 55 at one end near the reducing clamping assembly 8. Both ends of the bidirectional threaded rod 53 are fixedly connected to an adjusting hand wheel 56. A motor 57 is fixedly installed on the side of the outer side wall of the side plate 2 near the chamfering disk 51. The output end of the motor 57 is fixedly connected to a transmission rod 58, and the end of the transmission rod 58 away from the motor 57 is fixedly connected to the chamfering disk 51; When it is necessary to chamfer the PVC pipe, you can first turn the adjusting hand wheel 56 to drive the two threaded sleeves 54 at both ends of the bidirectional threaded rod 53 to move in opposite directions (because the threads at both ends of the bidirectional threaded rod 53 are in opposite directions), and then you can synchronously drive the two chamfering cutters 55 to move synchronously toward and away from the axis of the chamfering disk 51, and adjust the position of the chamfering cutter 55. After the adjustment is completed, turn on the motor 57 and make the output end of the motor 57 drive the chamfering disk 51 to rotate through the transmission rod 58. When the two chamfering cutters 55 and the threaded sleeves 54 move along the bidirectional threaded rod 53, they remain symmetrical along the axis of the chamfering disk 51, and both ends of the bidirectional threaded rod 53 are fixedly connected to the adjusting hand wheel 56, which is beneficial to maintaining the overall dynamic balance of the chamfering disk 51 when the motor 57 drives the chamfering disk 51 to rotate through the transmission rod 58.

[0022] Reference Figure 1 、 Figure 2 and Figure 5 A slide rail 6 is provided on the side of the upper surface of the base 1 away from the side plate 2, and a sliding bracket 7 is slidably connected to the slide rail 6. A reducing clamping assembly 8 for clamping pipes of different diameters is provided on the top of the sliding bracket 7. A chamfered opening 9 is provided on the side of the chip collecting barrel 4 close to the reducing clamping assembly 8. The reducing clamping assembly 8 includes a clamping barrel 81 and a driving ring 82. The diameter of the clamping barrel 81 is slightly smaller than the diameter of the chamfered opening 9. The clamping barrel 81 is fixedly connected to the top of the sliding bracket 7, and the driving ring 82 is rotatably connected to the center of the inner wall of the clamping barrel 81 (the two ends of the outer wall of the driving ring 82 are rotatably connected to bearings, and the outer wall of the bearing is rotatably connected to the inner wall of the clamping barrel 81).

[0023] Reference Figure 5 、 Figure 6 and Figure 7Both ends of the inner wall of the clamping cylinder 81 are fixedly connected to the outer fixing ring 83, both sides of the outer wall of the driving ring 82 are fixedly connected to the connecting rod 84, and the end of the connecting rod 84 away from the driving ring 82 is fixedly connected to the inner rotating ring 85 rotatably connected to the inner wall of the clamping cylinder 81.

[0024] Reference Figure 5 、 Figure 8 and Figure 9 The inner rotating ring 85 is provided with a curved arc-shaped sliding groove 86 on the four sides near the outer fixed ring 83, and the outer fixed ring 83 is provided with a straight sliding groove 87 radially arranged along the outer fixed ring 83 on the four sides near the inner rotating ring 85. A first slider 88 is slidably connected in the curved arc sliding groove 86. The first slider 88 is a cylindrical slider, which can minimize the line contact between the first slider 88 and the curved arc sliding groove 86 while reducing the friction resistance when the first slider 88 slides, and avoids jamming during the sliding process. The end of the first slider 88 away from the inner rotating ring 85 is fixedly connected to a clamping rod 89, and the side of the clamping rod 89 close to the straight sliding groove 87 is fixedly connected to a second slider 810. The second slider 810 is a rectangular slider, which makes the second slider 810 maintain surface contact with the inner wall of the straight sliding groove 87 and provides a stable linear guide. An opening 811 is provided on the outer wall of the clamping cylinder 81 near the driving ring 82. Connecting plates 812 are fixedly connected on both sides of the outer wall of the clamping cylinder 81 near the opening 811. A worm 813 is rotatably connected between the two connecting plates 812. The outer wall of the driving ring 82 is located in the opening 811 and is fixedly connected to a turbine 814 (the turbine 814 is a quarter ring) that meshes with the worm 813. One end of the worm 813 passes through the connecting plate 812 and is fixedly connected to a clamping adjustment handle 11. Push-pull handles 12 are fixedly connected on both sides of the outer wall of the clamping cylinder 81 away from the end of the chip collecting cylinder 4. The staff can push and pull the clamping cylinder 81 through the push-pull handles 12, thereby making the clamping cylinder 81 and the sliding bracket 7 slide along the slide rail 6. When it is necessary to clamp the PVC pipe, first rotate the worm 813 through the clamping adjustment handle 11 and drive the turbine 814 and the drive ring 82 to rotate along the axis of the drive ring 82, thereby driving the inner rotating ring 85 and the curved arc chute 86 to rotate in the first direction, forcing the first slider 88 to move along the curved arc chute 86 away from the axis of the clamping cylinder 81 (at this time, the second slider 810 slides along the straight chute 87 and acts as a limit so that the second slider 810 and the clamping rod 89 can only move in the radial direction of the clamping cylinder 81), thereby causing the clamping rod 89 to move away from the axis of the clamping cylinder 81, and then place the PVC pipe on the clamping Inside the cylinder 81, the worm 813 is rotated by the clamping adjustment handle 11, driving the turbine 814 and the driving ring 82 to rotate along the axis of the driving ring 82, thereby driving the inner rotating ring 85 and the curved arc slide 86 to rotate along the second direction, forcing the first slider 88 to move along the curved arc slide 86 toward the axis of the clamping cylinder 81 (at this time, the second slider 810 slides along the straight slide 87 and acts as a limit so that the second slider 810 and the clamping rod 89 can only move along the radial direction of the clamping cylinder 81), thereby causing the clamping rods 89 to move toward the axis of the clamping cylinder 81 until they both abut the outer wall of the PVC pipe to clamp the PVC pipe.

[0025] Reference Figure 1 、 Figure 5 and Figure 10 The outer wall of the side plate 2 is fixedly installed with a limiting cylinder 13 on both sides near the variable diameter clamping assembly 8, and the outer wall of the clamping cylinder 81 is fixedly connected with a connecting plate 14 on both sides near the limiting cylinder 13. One side of the outer wall of the connecting plate 14 is fixedly connected with a limiting rod 15 slidably connected to the limiting cylinder 13. The limiting rod 15 and the limiting cylinder 13 can support the clamping cylinder 81 while playing a linear guide role. The clamping cylinder 81 and the sliding bracket 7 try to maintain a linear motion trajectory during the sliding process along the slide rail 6 (try to avoid deviation and shaking of the clamping cylinder 81 and the sliding bracket 7 during the sliding process along the slide rail 6 due to the high height of the clamping cylinder 81), so as to ensure the precise alignment of the pipe axis and the chamfering disk axis as much as possible, and improve the accuracy and stability of the chamfering processing.

[0026] Reference Figure 4 and Figure 5A first scale 16 is embedded on the side of the outer wall of the clamping cylinder 81 near the opening 811, and a first marking pointer 17 is fixedly connected to the side of the outer wall of the turbine 814 near the first scale 16. When the staff rotates the worm 813 by the clamping adjustment handle 11 and drives the turbine 814 to rotate, and then adjusts the distance from the end of the clamping rod 89 near the axis of the clamping cylinder 81 to the axis of the clamping cylinder 81, the first marking pointer 17 can rotate along with the turbine 814. Therefore, when the staff is not sure about the outer diameter of the pipe, they can determine the outer diameter of the PVC pipe by the reading on the first scale 16 pointed by the first marking pointer 17 when the clamping rod 89 finally clamps the PVC pipe. A second scale 18 is embedded on the side of the outer wall of the chamfering disk 51 near the reducing groove 52, and a second scale pointer 19 is fixedly connected to the side of the outer wall of the threaded sleeve 54 near the second scale 18. A transparent observation window 20 is provided on one side of the outer wall of the chip collecting barrel 4. When the position of the chamfering knife 55 is adjusted by rotating the adjusting hand wheel 56, the staff can observe the reading on the second scale 18 indicated by the second scale pointer 19 through the transparent observation window 20, and then determine the distance between the chamfering knife 55 and the axis center of the chamfering disk 51.

[0027] Reference Figure 1 、 Figure 3 and Figure 5 The bottom end of the chip collecting barrel 4 is provided with a chip discharge assembly 10, which includes a chip discharge pipe 101 fixedly connected to the bottom end of the chip collecting barrel 4. The inner bottom wall of the chip collecting barrel 4 is provided with a chip discharge port 102 for connecting the chip collecting barrel 4 and the chip discharge pipe 101. The debris (powder, particles, long cutting chips) generated during the chamfering process will enter the chip discharge pipe 101 through the chip discharge port 102. A rotating rod 103 arranged along the length direction of the chip discharge pipe 101 is rotatably connected between the two sides of the inner side wall of the chip discharge pipe 101. The outer wall of the rod 103 is fixedly connected to a spiral conveying blade 104. A chip collecting pipe 105 connected to the chip discharge pipe 101 is provided on the side of the lower surface of the chip discharge pipe 101 away from the chip collecting barrel 4. A chip collecting box 106 is provided on the upper surface of the base 1 below the chip collecting pipe 105. When the rotating rod 103 rotates, the spiral conveying blade 104 conveys the chips that enter the chip discharge pipe 101 through the chip discharge opening 102 to the side of the chip collecting pipe 105 until the chips pass through the chip collecting pipe 105 and enter the chip collecting box 106. One end of the rotating rod 103 close to the side plate 2 passes through the chip removal tube 101 and is rotatably connected to the side plate 2. One side of the outer wall of the transmission rod 58 is fixedly connected to the first transmission tooth 21, and the side of the outer wall of the rotating rod 103 close to the first transmission tooth 21 is fixedly connected to the second transmission tooth 22. A transmission chain 23 is provided between the first transmission tooth 21 and the second transmission tooth 22 to drive the second transmission tooth 22 to rotate with the first transmission tooth 21. When the motor 57 drives the transmission rod 58 to rotate, the first transmission tooth 21 rotates, and then drives the second transmission tooth 22 and the rotating rod 103 to rotate through the transmission chain 23.

[0028] Reference Figure 3 、 Figure 5 and Figure 11 , the top end of the outer wall of the chip collecting cylinder 4 is fixedly connected to the piston cylinder 24, and the piston plate 25 is slidably connected to the piston cylinder 24. One side of the outer wall of the clamping cylinder 81 is fixedly connected to the L-shaped connecting rod 26, and the end of the L-shaped connecting rod 26 away from the clamping cylinder 81 is fixedly connected to the piston plate 25. One side of the outer wall of the side plate 2 is fixedly connected to the water tank 27. The bottom end of one side of the outer wall of the water tank 27 is provided with a water pipe 28 for connecting the water tank 27 and the end of the piston cylinder 24 close to the side plate 2. The end of the outer wall of the piston cylinder 24 close to the side plate 2 is provided with a drainage pipe 29 for connecting the piston cylinder 24 and the chip collecting cylinder 4. A thinning nozzle 30 is provided at the bottom end of the drainage pipe 29, a one-way water inlet valve 31 is provided in the water pipe 28, and a one-way water outlet valve 32 is provided in the drainage pipe 29; When the staff pulls the clamping cylinder 81 to the side away from the chip collecting cylinder 4 by pushing and pulling the handle 12, the L-shaped connecting rod 26 drives the piston plate 25 to move to the side away from the side plate 2, and the water in the water tank 27 enters the piston cylinder 24 through the water pipe 28 and the one-way water inlet valve 31 under the action of negative pressure. When the staff pushes the clamping cylinder 81 to the side close to the chip collecting cylinder 4 by pushing and pulling the handle 12, the water in the piston cylinder 24 flows to the refinement nozzle 30 through the one-way water outlet valve 32 and the drain pipe 29, and after being refined by the refinement nozzle 30, it is sprayed below the refinement nozzle 30 (the chamfered area of ​​the PVC pipe).

[0029] The implementation principle of the present invention is: When in use, the handle 12 is first used to pull the clamping cylinder 81 and the sliding bracket 7 along the slide rail 6 to move away from the chip collection cylinder 4. During this process, the L-shaped connecting rod 26 drives the piston plate 25 to move away from the side plate 2. Under the action of negative pressure, the water in the water tank 27 enters the piston cylinder 24 through the water pipe 28 and the one-way water inlet valve 31. When the clamping cylinder 81 and the sliding bracket 7 are away from the chip collecting cylinder 4, the worm 813 is rotated by the clamping adjustment handle 11 to drive the turbine 814 and the driving ring 82 to rotate along the axis of the driving ring 82, thereby driving the inner rotating ring 85 and the curved arc chute 86 to rotate in the first direction, forcing the first slider 88 to move along the curved arc chute 86 away from the axis of the clamping cylinder 81 (at this time, the second slider 810 slides along the straight chute 87 and acts as a limit so that the second slider 810 and the clamping rod 89 can only move along the radial direction of the clamping cylinder 81), thereby causing the clamping rod 89 to move away from the axis of the clamping cylinder 81; Then, the PVC pipe is placed in the clamping cylinder 81, and the worm 813 is rotated by the clamping adjustment handle 11 to drive the turbine 814 and the driving ring 82 to rotate along the axis of the driving ring 82, thereby driving the inner rotating ring 85 and the curved arc chute 86 to rotate in the second direction, forcing the first slider 88 to move along the curved arc chute 86 toward the axis of the clamping cylinder 81 (at this time, the second slider 810 slides along the straight chute 87 and acts as a limit so that the second slider 810 and the clamping rod 89 can only move along the radial direction of the clamping cylinder 81), thereby causing the clamping rod 89 to move toward the axis of the clamping cylinder 81 until they both abut the outer wall of the PVC pipe to clamp the PVC pipe; When the worker rotates the worm 813 by gripping the adjustment handle 11 and drives the turbine 814 to rotate, thereby adjusting the distance between the end of the clamping rod 89 close to the axis of the clamping cylinder 81 and the axis of the clamping cylinder 81, the first marking pointer 17 can rotate along with the turbine 814. Therefore, when the worker is not sure about the outer diameter of the pipe, the worker can determine the outer diameter of the PVC pipe by reading the first scale 16 indicated by the first marking pointer 17 when the clamping rod 89 finally clamps the PVC pipe. Then, the adjusting hand wheel 56 is rotated to drive the two threaded sleeves 54 at both ends of the bidirectional threaded rod 53 to move in opposite directions (because the threads at both ends of the bidirectional threaded rod 53 are in opposite directions), thereby synchronously driving the two chamfering knives 55 to move synchronously toward and away from the axis of the chamfering disk 51, and adjusting the position of the chamfering knife 55. When adjusting the position of the chamfering knife 55 by rotating the adjusting hand wheel 56, the staff can observe the reading on the second scale 18 indicated by the second scale pointer 19 through the transparent observation window 20, and thus determine the distance between the chamfering knife 55 and the axis of the chamfering disk 51, so that the distance between the chamfering knife 55 and the axis is adapted to the outer diameter of the PVC pipe (to ensure the chamfering effect of the chamfering knife 55 on the PVC pipe); Then, the motor 57 is turned on and the output end of the motor 57 drives the chamfering disk 51 to rotate via the transmission rod 58. At this time, the staff pushes the clamping cylinder 81 and the sliding bracket 7 along the slide rail 6 toward the side of the chip collection cylinder 4 by pushing and pulling the handle 12 until the PVC pipe clamped by the clamping rod 89 approaches the rotating chamfering knife 55 for chamfering (the distance between the PVC pipe and the chamfering knife 55 can be observed through the transparent observation window 20). At the same time as the transmission rod 58 rotates, the first transmission tooth 21 rotates, and then drives the second transmission tooth 22 and the rotating rod 103 to rotate through the transmission chain 23. When the clamping cylinder 81 and the sliding bracket 7 move along the slide rail 6 toward the chip collecting cylinder 4, the L-shaped connecting rod 26 and the piston plate 25 will be driven to move along the piston cylinder 24 toward the side plate 2. At this time, the water in the piston cylinder 24 will flow to the thinning nozzle 30 through the one-way water outlet valve 32 and the drain pipe 29 as the piston plate 25 is squeezed. After being thinned by the thinning nozzle 30, it will be sprayed below the thinning nozzle 30 (the chamfering area of ​​the PVC pipe), thereby spraying the debris generated during the chamfering process, which can cool the PVC pipe itself to a certain extent and avoid the water generated during the chamfering process. The high temperature generated causes the chamfered edge to melt and curl inward, and at the same time, the high temperature generated by friction during the chamfering process is avoided as much as possible to cause the generation of HCl gas, which may affect the health of the workers (a trace amount of HCl gas may be generated when high-speed chamfering is performed on PVC pipes with a large amount of plasticizers and a high hardness). The part of the water flow directly sprayed toward the chamfering knife 55 after refinement can moisten the debris generated during the chamfering process of the PVC pipe, and try to avoid the debris from being adsorbed on the inner wall of the chip collecting barrel 4 due to static electricity generated by friction during the chamfering process. The other part of the water flow is evenly sprayed on the inner wall of the chip collecting barrel 4 to rinse the inner wall of the chip collecting barrel 4. The chips generated during the chamfering process enter the chip discharge tube 101 through the chip discharge port 102. The rotating rod 103 and the spiral conveying blade 104 rotate to transport the chips that enter the chip discharge tube 101 through the chip discharge port 102 to the side of the chip collecting tube 105 until the chips pass through the chip collecting tube 105 and enter the chip collecting box 106 for collection.

[0030] Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or substitute equivalents for some of the technical features. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A PVC pipe chamfering device, comprising a base (1) and a side plate (2) fixedly connected to one side of the upper surface of the base (1), characterized in that: A rectangularly distributed support rod (3) is fixedly connected to one side of the upper surface of the base (1); a chip collecting barrel (4) is fixedly connected to the top of the support rod (3); and a variable diameter chamfering assembly (5) for chamfering pipes of different diameters is provided on the inner side wall of the chip collecting barrel (4) near the side plate (2); A slide rail (6) is provided on the side of the upper surface of the base (1) away from the side plate (2), a slide bracket (7) is slidably connected to the slide rail (6), a variable diameter clamping assembly (8) for clamping pipes of different diameters is provided at the top end of the slide bracket (7), a chamfered opening (9) is provided on the side of the chip collecting barrel (4) close to the variable diameter clamping assembly (8), and a chip removal assembly (10) is provided at the bottom end of the chip collecting barrel (4).

2. A PVC pipe chamfering device according to claim 1, characterized in that: The variable diameter chamfering assembly (5) comprises a chamfering disc (51) rotatably connected to the inner side wall of the chip collecting barrel (4) away from the opening (4), a variable diameter groove (52) arranged along the radial direction of the chamfering disc (51) and symmetrically distributed along the axis of the chamfering disc (51) is opened on one side of the outer side wall of the chamfering disc (51), a bidirectional threaded rod (53) arranged along the length direction of the variable diameter groove (52) is rotatably connected in the variable diameter groove (52), and both ends of the bidirectional threaded rod (53) are threadedly connected to threaded sleeves ( 54), a chamfering cutter (55) is fixedly connected to one end of the outer wall of the threaded sleeve (54) close to the variable diameter clamping assembly (8), an adjusting hand wheel (56) is fixedly connected to both ends of the bidirectional threaded rod (53), a motor (57) is fixedly installed on one side of the outer wall of the side plate (2) close to the chamfering disk (51), an output end of the motor (57) is fixedly connected to a transmission rod (58), and an end of the transmission rod (58) away from the motor (57) is fixedly connected to the chamfering disk (51).

3. A PVC pipe chamfering device according to claim 2, characterized in that: The variable diameter clamping assembly (8) includes a clamping cylinder (81) and a driving ring (82), wherein the clamping cylinder (81) is fixedly connected to the top of the sliding bracket (7), and the driving ring (82) is rotatably connected to the center of the inner wall of the clamping cylinder (81). Both ends of the inner wall of the clamping cylinder (81) are fixedly connected to an outer fixed ring (83), and both sides of the outer wall of the driving ring (82) are fixedly connected to a connecting rod (84), and one end of the connecting rod (84) away from the driving ring (82) is fixedly connected to an inner rotating ring (85) rotatably connected to the inner wall of the clamping cylinder (81). ), the inner rotating ring (85) is provided with a curved arc-shaped sliding groove (86) on the four sides near the outer fixed ring (83), the outer fixed ring (83) is provided with a straight sliding groove (87) arranged along the radial direction of the outer fixed ring (83) on the four sides near the inner rotating ring (85), a first slider (88) is slidably connected in the curved arc-shaped sliding groove (86), an end of the first slider (88) away from the inner rotating ring (85) is fixedly connected to a clamping rod (89), and a side of the clamping rod (89) close to the straight sliding groove (87) is fixedly connected to a second slider (810).

4. A PVC pipe chamfering device according to claim 3, characterized in that: An opening (811) is provided on one side of the outer wall of the clamping cylinder (81) near the driving ring (82), and connecting plates (812) are fixedly connected to both sides of the outer wall of the clamping cylinder (81) near the opening (811), a worm (813) is rotatably connected between the two connecting plates (812), and a turbine (814) meshing with the worm (813) is fixedly connected to the outer wall of the driving ring (82) located in the opening (811).

5. A PVC pipe chamfering device according to claim 4, characterized in that: One end of the worm (813) passes through the connecting plate (812) and is fixedly connected to a clamping and adjusting handle (11), and push-pull handles (12) are fixedly connected to both sides of the outer wall of the clamping cylinder (81) away from one end of the chip collecting cylinder (4).

6. A PVC pipe chamfering device according to claim 5, characterized in that: A limiting cylinder (13) is fixedly mounted on both sides of the outer wall of the side plate (2) close to the variable diameter clamping assembly (8), a connecting plate (14) is fixedly connected to both sides of the outer wall of the clamping cylinder (81) close to the limiting cylinder (13), and a limiting rod (15) is fixedly connected to one side of the outer wall of the connecting plate (14) and is slidably connected to the limiting cylinder (13).

7. A PVC pipe chamfering device according to claim 6, characterized in that: A first scale (16) is embedded on the side of the outer wall of the clamping cylinder (81) close to the opening (811), a first marking pointer (17) is fixedly connected to the side of the outer wall of the turbine (814) close to the first scale (16), a second scale (18) is embedded on the side of the outer wall of the chamfered disk (51) close to the reducing groove (52), a second scale pointer (19) is fixedly connected to the side of the outer wall of the threaded sleeve (54) close to the second scale (18), and a transparent observation window (20) is provided on one side of the outer wall of the chip collecting cylinder (4).

8. The PVC pipe chamfering device according to claim 2, characterized in that: The chip removal assembly (10) includes a chip removal tube (101) fixedly connected to the bottom end of a chip collecting barrel (4); a chip removal opening (102) for connecting the chip collecting barrel (4) and the chip removal tube (101) is provided on the inner bottom wall of the chip collection barrel (4); a rotating rod (103) arranged along the length direction of the chip removal tube (101) is rotatably connected between the two sides of the inner side wall of the chip removal tube (101); a spiral conveying blade (104) is fixedly connected to the outer side wall of the rotating rod (103); a chip collection tube (105) connected to the chip removal tube (101) is provided on the side of the lower surface of the chip removal tube (101) away from the chip collection barrel (4); and a chip collection box (106) is provided on the upper surface of the base (1) below the chip collection tube (105).

9. A PVC pipe chamfering device according to claim 8, characterized in that: One end of the rotating rod (103) close to the side plate (2) passes through the chip removal tube (101) and is rotatably connected to the side plate (2); one side of the outer wall of the transmission rod (58) is fixedly connected to the first transmission tooth (21); one side of the outer wall of the rotating rod (103) close to the first transmission tooth (21) is fixedly connected to the second transmission tooth (22); and a transmission chain (23) is provided between the first transmission tooth (21) and the second transmission tooth (22) for driving the second transmission tooth (22) to rotate following the first transmission tooth (21).

10. The PVC pipe chamfering device according to claim 1, characterized in that: The top end of the outer wall of the chip collecting cylinder (4) is fixedly connected to a piston cylinder (24), a piston plate (25) is slidably connected inside the piston cylinder (24), an L-shaped connecting rod (26) is fixedly connected to one side of the outer wall of the clamping cylinder (81), and one end of the L-shaped connecting rod (26) away from the clamping cylinder (81) is fixedly connected to the piston plate (25); A water tank (27) is fixedly connected to one side of the outer wall of the side plate (2); a water pipe (28) for connecting the water tank (27) and the end of the piston cylinder (24) close to the side plate (2) is provided at the bottom end of one side of the outer wall of the water tank (27); a drainage pipe (29) for connecting the piston cylinder (24) and the chip collecting cylinder (4) is provided at the end of the outer wall of the piston cylinder (24) close to the side plate (2); a thinning nozzle (30) is provided at the bottom end of the drainage pipe (29); a one-way water inlet valve (31) is provided in the water pipe (28); and a one-way water outlet valve (32) is provided in the drainage pipe (29).

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