Plastic pipe positioning and processing device

By combining the rotating frame, fixed cylinder, and support cylinder, the problem of inconvenient positioning of plastic pipe processing equipment is solved, enabling precise cutting and efficient processing of plastic pipes.

CN119319590BActive Publication Date: 2025-12-05QINHUANGDAO QINKAI COMPREHENSIVE BAO PARK DEVELOPMENT CO LTD
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Patent Information

Application Number
CN202411553172.1
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-11-01
Publication Date
2025-12-05
Estimated Expiration
2044-11-01

AI Technical Summary

Technical Problem

The existing plastic pipe processing equipment is inconvenient to position, resulting in inaccurate cutting lengths and affecting the processing progress.

Method used

The system employs a combination structure of a rotating frame, a fixed cylinder, and a support cylinder. Through the cooperation of components such as guide grooves, guide columns, fixed columns, and transmission blocks, the plastic tube is fixed and limited. The rotating frame is driven to rotate by the cooperation of the rack and pinion, the turntable is driven to rotate by the cooperation of the pressure rod and the positioning plate, the cam drives the positioning plate away, and the fixed column presses against the inner wall of the plastic tube for fixation.

Benefits of technology

It improves the precision and efficiency of plastic pipe cutting, prevents the plastic pipe from slipping during the cutting process, and ensures the cutting needs of different lengths.

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Abstract

The application discloses a plastic pipe positioning and processing device and relates to the field of plastic pipe processing equipment.The device comprises a rack and further comprises a rotating frame, a sliding groove is formed in the interior of the rack, a movable block is arranged in the interior of the sliding groove, a rotating frame is arranged between the two movable blocks, guide grooves are arranged on the two sides of the rotating frame, guide columns matched with the guide grooves are arranged on the movable blocks, a fixing cylinder and a supporting cylinder are respectively arranged on the two rotating frames, mounting rods are arranged on the inner walls of the fixing cylinder, positioning discs are arranged at the one ends of the mounting rods, the fixing cylinder and the supporting cylinder are used for fixing and limiting the plastic pipe, the pressing rod drives the rotating disc to rotate in a matched mode with the positioning plate, the rotating disc drives the two positioning discs to move away from each other in a matched mode with the cam, the fixing column is used for fixing the plastic pipe in a mode of extruding the inner wall of the plastic pipe, the plastic pipe is prevented from sliding leftward and rightward during the cutting process, and the cutting precision of the plastic pipe is ensured.
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Description

Technical Field

[0001] This invention relates to the field of plastic pipe processing equipment, specifically a plastic pipe positioning and processing device. Background Technology

[0002] Plastic pipes are a commonly used piping material. They are generally made from synthetic resins (such as polyester) as the main raw material, with the addition of stabilizers, lubricants, plasticizers, etc., and are processed by extrusion in a pipe-making machine. They are mainly used for water supply systems, drainage, ventilation and sewage pipes in buildings, underground drainage pipe systems, rainwater pipes, and conduits for electrical wiring installation.

[0003] The manufacturing process of plastic pipes includes steps such as raw material preparation, extrusion, cooling, cutting and trimming. When cutting plastic pipes, the existing processing equipment is inconvenient to position. When cutting plastic pipes of different lengths, the positioning device needs to be adjusted repeatedly, which affects the progress of plastic pipe processing. The pipe is prone to slipping during the cutting process, which affects the cutting length of the plastic pipe and is not conducive to the normal use of the processing equipment. Summary of the Invention

[0004] The purpose of this invention is to provide a plastic pipe positioning and processing device to solve the problem of inconvenient positioning in existing plastic pipe processing devices.

[0005] To achieve the above objectives, the present invention provides the following technical solution:

[0006] A plastic pipe positioning and processing device includes a frame and further includes:

[0007] The rotating frame has a sliding groove inside, a movable block inside the sliding groove, and a rotating frame between two movable blocks. Guide grooves are provided on both sides of the rotating frame. Guide posts that cooperate with the guide grooves are provided on the movable blocks. A fixed cylinder and a support cylinder are respectively provided on the two rotating frames. An installation rod is provided on the inner wall of the fixed cylinder. A positioning plate is provided at one end of the installation rod. Multiple installation holes are provided on the positioning plate. A fixed post is provided inside the installation hole. An inclined groove is provided inside the fixed post. A transmission block is slidably disposed inside the inclined groove. A return spring is provided on the side wall of the transmission block. A turntable is provided on the side wall of the fixed cylinder. A rotating rod is provided on the turntable. A cam is provided on the rotating rod. A connecting block is provided between the cam and the positioning plate. A pressure rod is provided on the outside of the turntable.

[0008] The frame includes a positioning plate, a sleeve on its inner side wall, a positioning plate on the sleeve side wall, a scale strip on the outside of the fixed cylinder, a locking block on the scale strip that mates with the positioning plate, a fixing pin on the rotating frame that mates with the scale strip, a guide rail inside the frame, a slider slidably mounted on the guide rail, horizontal plates on both sides of the slider, a top plate on the horizontal plate, a rack on the top plate, a gear groove on the outside of the rotating frame that mates with the rack, a limit plate inside the frame, a limit groove on the limit plate that mates with the top plate, a column on the slider, a blade holder on the top of the column, and a cutting disc on the blade holder for cutting plastic pipes.

[0009] The support mechanism is located inside the support cylinder. The plastic tube to be cut is located between the fixed cylinder and the support cylinder. The rack drives the rotating frame to rotate by cooperating with the gear groove. The pressure rod drives the turntable to rotate by cooperating with the positioning plate. The turntable drives the two positioning plates to move away from each other by cooperating with the cam. The fixed column fixes the plastic tube by squeezing the inner wall of the plastic tube.

[0010] Based on the above technical solutions, the present invention also provides the following optional technical solutions:

[0011] In one alternative embodiment: the support mechanism includes a rotating cylinder, a support plate, a telescopic rod, and a sleeve. A fixed plate is provided on the side wall of the support cylinder. The rotating cylinder is slidably sleeved on the outside of the fixed plate. Multiple sleeves are provided inside the rotating cylinder. A telescopic rod is slidably provided at one end of each sleeve. Multiple support plates are provided on the inner wall of the fixed plate. A transmission column that cooperates with the support plate is provided at the bottom end of the telescopic rod.

[0012] In one alternative: the fixed plate has multiple transmission grooves, and the telescopic rod is provided with a sliding column, one end of which passes through the transmission groove and slides in cooperation with it.

[0013] In one alternative: a pin is provided on the outside of the rotating cylinder, and one end of the pin is connected to the fixed plate.

[0014] In one alternative: a lead screw is provided inside the guide rail, the slider is sleeved on the lead screw through a threaded hole inside the guide rail, and a motor is provided outside the guide rail, the rotating end of the motor being connected to the lead screw.

[0015] In one alternative: the movable block has a movable groove, and the top plate passes through the movable groove and slides with it.

[0016] In one alternative: the rack is rotatably mounted on the top plate, and a support spring is provided inside the top plate, with one end of the support spring connected to the rack.

[0017] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0018] The plastic tube positioning and processing device uses a fixed cylinder and a support cylinder to fix and limit the plastic tube, making it easy to cut multiple plastic tubes into different lengths. The fixing and disassembly of the plastic tubes are more convenient. The rack drives the rotating frame to rotate by cooperating with the gear groove. The pressure rod drives the turntable to rotate by cooperating with the positioning plate. The turntable drives the two positioning plates to move away from each other by cooperating with the cam. The fixing column fixes the plastic tube by pressing the inner wall of the plastic tube, preventing the plastic tube from sliding left and right during the cutting process, ensuring the cutting accuracy of the plastic tube and improving the processing efficiency of the plastic tube. Attached Figure Description

[0019] Figure 1 A schematic diagram of the plastic pipe positioning and processing device.

[0020] Figure 2 This is a schematic diagram of the fixed plate in the plastic pipe positioning and processing device.

[0021] Figure 3 This is a schematic diagram of the tool holder in a plastic pipe positioning and processing device.

[0022] Figure 4 This is a schematic diagram of the positioning plate in a plastic pipe positioning and processing device.

[0023] Figure 5 This is a schematic diagram of the clamping block in a plastic pipe positioning and processing device.

[0024] Figure 6 This is a cross-sectional view of the fixed cylinder in the plastic pipe positioning and processing device.

[0025] Figure 7 This is a schematic diagram of the positioning plate in a plastic pipe positioning and processing device.

[0026] Figure 8 This is a cross-sectional view of the fixed column in the plastic pipe positioning and processing device.

[0027] Figure 9 This is a schematic diagram of the mounting rod in the plastic pipe positioning and processing device.

[0028] Figure 10 This is a schematic diagram of the pressure bar in the plastic pipe positioning and processing device.

[0029] Figure 11 This is a schematic diagram of the turntable in a plastic pipe positioning and processing device.

[0030] Figure 12 This is a schematic diagram of the rotating cylinder in a plastic pipe positioning and processing device.

[0031] Figure 13This is a schematic diagram of the top plate in the plastic pipe positioning and processing device.

[0032] Figure reference numerals: 1-Frame, 101-Sliding groove, 2-Guide rail, 201-Lead screw, 3-Limit plate, 301-Limit groove, 4-Rotating frame, 401-Gear groove, 402-Fixing pin, 403-Guide groove, 5-Fixing cylinder, 6-Support cylinder, 601-Fixing disc, 602-Transmission groove, 7-Rotating cylinder, 8-Plastic tube body, 9-Pin, 10-Sleeve, 11-Positioning plate, 12-Scale strip, 13-Clamping block, 14-Pressure rod, 15-Moving block, 151-Moving groove, 16-Tool holder, 1 7-Cutting disc, 18-Column, 19-Horizontal plate, 20-Top plate, 21-Rack, 22-Motor, 23-Slider, 24-Guide column, 25-Positioning plate, 251-Mounting hole, 26-Fixing column, 261-Inclined groove, 27-Transmission block, 28-Cam, 29-Rotating rod, 30-Mounting rod, 31-Turntable, 32-Reset spring, 33-Connecting spring, 34-Sleeve, 35-Telescopic rod, 36-Sliding column, 37-Support plate, 38-Transmission column, 39-Supporting spring, 40-Connecting block. Detailed Implementation

[0033] To make the objectives, technical solutions, and advantages of this invention clearer, the invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the invention.

[0034] The specific implementation of the present invention will be described in detail below with reference to specific embodiments.

[0035] like Figure 1-13 As shown, a plastic tube positioning and processing device according to an embodiment of the present invention includes a frame 1, and further includes:

[0036] The rotating frame 4 has a sliding groove 101 inside the frame 1. A movable block 15 is slidably disposed inside the sliding groove 101. The rotating frame 4 is slidably disposed between two movable blocks 15. Guide grooves 403 are provided on both sides of the rotating frame 4. Guide posts 24 that cooperate with the guide grooves 403 are provided on the movable blocks 15. The guide posts 24 and guide grooves 403 are slidably engaged, allowing the rotating frame 4 to rotate between the two movable blocks 15. A fixed cylinder 5 and a support cylinder 6 are respectively provided on the two rotating frames 4. The inner wall of the fixed cylinder 5... An installation rod 30 is provided, with a positioning plate 25 at one end. The positioning plate 25 is rotatably mounted inside the fixed cylinder 5 via the installation rod 30. The positioning plate 25 has multiple installation holes 251, and a fixing post 26 is installed inside each installation hole 251. The fixing post 26 can be unscrewed from the installation hole 251, and its position can be adjusted according to the inner diameter of the plastic tube body 8. An inclined groove 261 is provided inside the fixing post 26, and a transmission block 27 is slidably mounted inside the inclined groove 261. The transmission block 27 is an inclined block and... Figure 8 As shown, multiple fixing posts 26 contact the inner wall of the plastic tube body 8, and two positioning discs 25 move away from each other, causing the fixing posts 26 to move outward and press the plastic tube body 8, thus fixing the plastic tube body 8. The transmission block 27 slides along the inner wall of the plastic tube body 8 and drives the plastic tube body 8 to slide towards the positioning disc 25, so that the side wall of the plastic tube body 8 is tightly attached to the positioning disc 25, ensuring accurate positioning of the plastic tube body 8. The side wall of the transmission block 27 is provided with a return spring 32. The side wall of the fixed cylinder 5 is rotatably provided with a turntable 31. The turntable 31 is installed inside the fixed cylinder 5 through two connecting springs 33. The connecting springs 33 pull the turntable 31, so that the turntable 31 is located in the position of the positioning disc 25. Figure 11 In the initial position shown, a rotating rod 29 is fixedly installed on the turntable 31, and a cam 28 is installed on the rotating rod 29. That is, the turntable 31 drives the cam 28 to rotate through the rotating rod 29. A connecting block 40 is rotatably installed between the cam 28 and the positioning disk 25. The connecting block 40 drives the positioning disk 5 to rotate. A pressure rod 14 is installed on the outside of the turntable 31.

[0037] Positioning plate 11, sleeve 10 is provided on the inner side wall of the frame 1, positioning plate 11 is provided on the side wall of sleeve 10, positioning plate 11 can be telescopically adjusted and fixed by bolts, scale strip 12 is fixedly provided on the outside of the fixed cylinder 5, the scale strip 12 is provided with a locking block 13 that cooperates with positioning plate 11, the locking block 13 is provided with an inclined groove, when the rotating frame 4 rotates to Figure 4When the processing position is shown, the rotating frame 4 stops rotating, and the locking block 13 contacts the positioning plate 11, which can prevent the rotating frame 4 from resetting in the opposite direction and ensure that the rotating frame 4 is in the processing position. The rotating frame 4 is provided with a fixing pin 402 that cooperates with the scale bar 12. The fixing cylinder 5 can slide left and right and is fixed by the fixing pin 402. Adjusting the installation position of the fixing cylinder 5 on the rotating frame 4 makes it convenient to cut the plastic tube body 8 into different lengths. The frame 1 is provided with a guide rail 2 inside, and a slider 23 is slidably arranged on the guide rail 2. Horizontal plates 1 are provided on both sides of the slider 23. 9. A top plate 20 is slidably mounted on the horizontal plate 19. A spring connected to the top plate 20 is installed inside the horizontal plate 19, which can pull the top plate 20 to return to its original position on both sides. A rack 21 is mounted on the top plate 20. A gear groove 401 that cooperates with the rack 21 is opened on the outside of the rotating frame 4. A limit plate 3 is installed inside the frame 1. A limit groove 301 that cooperates with the top plate 20 is opened on the limit plate 3. A column 18 is mounted on the slider 23. A knife holder 16 is mounted on the top of the column 18. A cutting blade 17 for cutting plastic pipes is mounted on the knife holder 16.

[0038] The support mechanism is located inside the support cylinder 6. The plastic tube to be cut is located between the fixed cylinder 5 and the support cylinder 6. The rack 21 drives the rotating frame 4 to rotate by cooperating with the gear groove 401. The pressure rod 14 drives the turntable 31 to rotate by cooperating with the positioning plate 11. The turntable 31 drives the two positioning plates 25 to move away from each other by cooperating with the cam 28. The fixing column 26 fixes the plastic tube by squeezing the inner wall of the plastic tube.

[0039] like Figure 1-12 As shown in the preferred embodiment of the present invention, the support mechanism includes a rotating cylinder 7, a support plate 37, a telescopic rod 35, and a sleeve 34. A fixed disk 601 is fixedly disposed on the side wall of the support cylinder 6. The rotating cylinder 7 is slidably sleeved on the outside of the fixed disk 601. Multiple sleeves 34 are fixedly disposed inside the rotating cylinder 7. A telescopic rod 35 is slidably disposed at one end of each sleeve 34. Multiple support plates 37 are disposed on the inner wall of the fixed disk 601. The support plates 37 are elastic plates and support the plastic tube body 8. A transmission column 38 that cooperates with the support plate 37 is disposed at the bottom end of the telescopic rod 35. The rotating cylinder 7 rotates and drives the sleeve 34 to move. The telescopic rod 35 drives the transmission column 38 disposed at the bottom end to press the support plate 37 downward. The support plate 37 bends and supports the plastic tube body 8, which facilitates auxiliary support for plastic tube bodies 8 with different outer diameters.

[0040] like Figure 12As shown, in a preferred embodiment of the present invention, the fixed disk 601 is provided with a plurality of transmission grooves 602, and the telescopic rod 35 is provided with a sliding post 36. One end of the sliding post 36 passes through the inside of the transmission groove 602 and slides with it. The sliding post 36 on the sleeve 34 slides along the transmission groove 602, and the telescopic rod 35 drives the telescopic rod 35 to move.

[0041] like Figure 12 As shown, in a preferred embodiment of the present invention, a pin 9 is provided on the outside of the rotating cylinder 7. One end of the pin 9 is connected to the fixed plate 601. The pin 9 is a screw and can be screwed into the inside of the rotating cylinder 7, so as to fix the rotating cylinder 7 and the fixed plate 601.

[0042] like Figure 1-3 As shown, in a preferred embodiment of the present invention, a lead screw 201 is provided inside the guide rail 2, and the slider 23 is sleeved on the lead screw 201 through a threaded hole opened inside. A motor 22 is provided outside the guide rail 2, and the rotating end of the motor 22 is connected to the lead screw 201. The motor 22 drives the lead screw 201 to rotate, and the lead screw 201 drives the slider 23 to slide along the guide rail 2.

[0043] like Figure 1 As shown, in a preferred embodiment of the present invention, the movable block 15 is provided with a movable groove 151, and the top plate 20 passes through the movable groove 151 and slides with it.

[0044] like Figure 1-5 As shown, in a preferred embodiment of the present invention, the rack 21 is rotatably mounted on the top plate 20, and a support spring 39 is provided inside the top plate 20, with one end of the support spring 39 connected to the rack 21.

[0045] The above embodiments of the present invention provide a plastic tube positioning and processing device. Multiple plastic tube bodies 8 to be cut are sequentially passed through a support cylinder 6 and a fixed cylinder 5. One end of each plastic tube body 8 contacts a positioning disc 25 inside the fixed cylinder 5. A motor 22 drives a lead screw 201 to rotate, which in turn drives a slider 23 to slide along a guide rail 2. The slider 23, through a horizontal plate 19, moves a top plate 20 and a rack 21. The rack 21 gradually approaches a rotating frame 4 and drives the rotating frame 4 to rotate. The rotation direction of the rotating frame 4 is as follows: Figure 4 As shown, the pressure rod 14 outside the fixed cylinder 5 contacts the positioning plate 11, preventing the pressure rod 14 from rotating further. The fixed cylinder 5 moves, causing the turntable 31 to rotate. The turntable 31, through its cooperation with the cam 28, drives the two positioning discs 25 to move away from each other. The fixed column 26 fixes the plastic tube by squeezing the inner wall of the plastic tube. The rotating frame 4 moves to... Figure 4At the processing position shown, the rack 21 disengages from the gear groove 401, the rotating frame 4 cannot rotate, and the top plate 20 contacts the inclined groove inside the limiting groove 301. The top plate 20 drives the two rotating frames 4 to move closer to each other. When the rotating frame 4 can no longer move, the distance between the positioning plate 25 and the cutting blade 17 is the cutting length, which can be read from the scale on the scale bar 12. The cutter 16 drives the cutting blade 17 to move horizontally and cut the plastic tube body 8 (the plastic tube body 8 inside the fixed cylinder 5 near the positioning plate 11 is squeezed and fixed, and the cutting blade 17 only cuts the plastic tube body 8 that is close to it). After the cutting is completed, the horizontal plate 19 drives the top plate 20 to reset, and the locking block 13 contacts the positioning plate 11, so that the rotating frame 4 cannot rotate. The rack 21 rotates downward and squeezes the support spring 39. Under the limiting action of the pressure rod 14 and the locking block 13, the rotating frame 4 is in a position where it ... Figure 4 The machining position shown indicates that the rotating frame 4 can only move along the machining path. Figure 4 When the plastic tube body 8 is cut in the next round, the slider 23 drives the top plate 20 and the rack 21 to move closer to the rotating frame 4. The rack 21 contacts the gear groove 401 and drives the rotating frame 4 to continue to rotate. The rotating frame 4 drives the fixed cylinder 5 to rotate downward. When the turntable 31 rotates to a certain angle, the pressure rod 14 disengages from the positioning plate 11.

[0046] The above description is merely a specific embodiment of this disclosure, but the scope of protection of this disclosure is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the scope of the technology disclosed in this disclosure should be included within the scope of protection of this disclosure. Therefore, the scope of protection of this disclosure should be determined by the scope of the claims.

Claims

1. A plastic pipe positioning and processing apparatus comprising a frame, characterized in that, Also includes: The frame is internally provided with a sliding groove, the sliding groove is internally provided with a movable block, two movable blocks are provided with a rotating frame, the rotating frame is provided with a guide groove on both sides, the movable block is provided with a guide column matched with the guide groove, two rotating frames are respectively provided with a fixed cylinder and a supporting cylinder, the fixed cylinder inner wall is provided with a mounting rod, one end of the mounting rod is provided with a positioning disc, the positioning disc is provided with a plurality of mounting holes, the mounting hole is internally provided with a fixed column, the fixed column is internally provided with an inclined slot, the inclined slot is internally provided with a transmission block, the transmission block side wall is provided with a return spring, the fixed cylinder side wall is provided with a rotating disc, the rotating disc is provided with a rotating rod, the rotating rod is provided with a cam, the cam and the positioning disc are provided with a connecting block, the rotating disc is externally provided with a pressing rod; The inner wall of the frame is provided with a sleeve, the side wall of the sleeve is provided with a positioning plate, the outer part of the fixed cylinder is provided with a scale bar, the scale bar is provided with a clamping block matched with the positioning plate, the rotating frame is provided with a fixed pin matched with the scale bar, the inner part of the frame is provided with a guide rail, the guide rail is provided with a sliding block, the sliding block is provided with a horizontal plate on both sides, the horizontal plate is provided with a top plate, the top plate is provided with a rack, the rotating frame is externally provided with a gear groove matched with the rack, the inner part of the frame is provided with a limiting plate, the limiting plate is provided with a limiting groove matched with the top plate, the sliding block is provided with a vertical column, the vertical column is provided with a tool holder, the tool holder is provided with a cutting blade for cutting plastic pipe; The support mechanism is arranged in the supporting cylinder, the plastic pipe to be cut is located between the fixed cylinder and the supporting cylinder, the rack drives the rotating frame to rotate by cooperating with the gear groove, the pressing rod drives the rotating disc to rotate by cooperating with the positioning plate, the rotating disc drives the two positioning discs to move away from each other by cooperating with the cam, and the fixed column fixes the plastic pipe by extruding the inner wall of the plastic pipe.

2. The plastic pipe positioning and machining apparatus of claim 1, wherein, The support mechanism includes a rotating cylinder, a supporting piece, an extension rod and a sleeve, the side wall of the supporting cylinder is provided with a fixed disc, the rotating cylinder is slidably arranged outside the fixed disc, the inside of the rotating cylinder is provided with a plurality of sleeves, one end of the sleeve is slidably provided with an extension rod, the inner wall of the fixed disc is provided with a plurality of supporting pieces, and the bottom end of the extension rod is provided with a transmission column matched with the supporting piece.

3. The apparatus of claim 2 wherein, A plurality of transmission grooves are formed in the fixed disc, a sliding column is arranged on the extension rod, and one end of the sliding column penetrates into the transmission groove and is in sliding cooperation with the transmission groove.

4. The apparatus according to claim 3, wherein The rotating cylinder is externally provided with a latch, one end of the latch is connected with the fixed disc.

5. The apparatus of claim 1 wherein, The guide rail is internally provided with a lead screw, the sliding block is sleeved on the lead screw through the internally formed threaded hole, and the outer part of the guide rail is provided with a motor, and the rotating end of the motor is connected with the lead screw.

6. The apparatus of claim 1 wherein, The movable block is provided with a movable groove, and the top plate penetrates through the movable groove and is in sliding cooperation with the movable groove.

7. The apparatus of claim 1 wherein, The rack is rotatably arranged on the top plate, the inside of the top plate is provided with a supporting spring, and one end of the supporting spring is connected with the rack.

Citation Information

Patent Citations

  • Positioning numerical control lathe fixture

    CN116330008A

  • Numerical control machine tool for part machining

    CN117655416A