Traction device for plastic pipe manufacturing

Abstract

The invention is suitable for the technical field of pipe production, and provides a plastic pipe manufacturing traction device which comprises a device base, a driving box, a driving mechanism, a regulation and control mechanism, two mounting plates, a U-shaped frame, an assembling mechanism and an elastic mechanism. The assembling mechanism comprises an assembling base, a vertical limiting assembly, a transverse limiting assembly, a connecting belt and an assembling groove. According to the traction device for plastic pipe manufacturing, the assembling mechanism can achieve rapid separation and connection of the single traction block and the driving mechanism, the connection stability between the traction block and the U-shaped frame is ensured, the traction block smoothly and circularly rotates along with the driving mechanism, and stable traction of a plastic pipe is completed; and the elastic mechanism can release the overall structure of the assembly seat and the connecting belt through the mounting plate, so that all the traction blocks can be quickly and uniformly replaced, and the daily maintenance operation of the device is greatly facilitated.

Description

Technical Field

[0001] The invention belongs to the technical field of pipe production, and in particular relates to a traction device for manufacturing plastic pipes. Background Art

[0002] The plastic pipe manufacturing traction device is a device specially used in the plastic pipe production process. It is mainly used to evenly pull the extruded plastic pipe into the cutting device or winding device to ensure the dimensional accuracy and production efficiency of the pipe. It is widely used in plastic pipe production lines, especially in situations that require high efficiency and high precision, such as the production of water supply pipes and gas pipes.

[0003] The existing plastic pipe manufacturing traction device uses a driving motor to drive the crawler driving wheels of the two crawler conveyor assemblies to rotate. The annular crawler surfaces of the two crawler conveyor assemblies are installed with rubber blocks that fit the outer surface of the pipe. When the pipe passes through the gap between the two crawler conveyor assemblies, the distance between the two crawler conveyor assemblies is adjusted by the elevator so that the rubber block can fit closely to the passing pipe. The rotation of the two crawler conveyor assemblies pulls the pipe for transportation, and evenly pulls the force, which reduces the deformation of the pipe and ensures product quality.

[0004] Rubber blocks are usually fixed directly to the track surface with screws. In order to protect the plastic pipes from damage by the screws, the screws are generally placed on the inside of the track. Although this change effectively avoids potential damage to the plastic pipes, it significantly increases the complexity and difficulty of replacing a single rubber block, which is time-consuming and labor-intensive. Especially when all rubber blocks need to be replaced, they need to be replaced one by one, which greatly affects the maintenance efficiency and convenience of the device.

[0005] Therefore, in view of the above situation, it is urgent to develop a plastic pipe manufacturing traction device to overcome the shortcomings in current practical applications. Summary of the invention

[0006] In view of the deficiencies in the prior art, an embodiment of the present invention aims to provide a traction device for manufacturing plastic pipes to solve the problems in the above-mentioned background technology.

[0007] To achieve the above object, the present invention provides the following technical solutions: A plastic pipe manufacturing traction device, comprising a device seat, on which a drive box, a drive mechanism and a regulating mechanism are sequentially arranged, one end of the regulating mechanism is symmetrically mounted with two mounting plates, one side of each of the two mounting plates is provided with a horizontal slide groove, one end of the drive mechanism is rotatably mounted on the two mounting plates, the other end of the drive mechanism is arranged in the drive box, a U-shaped frame is distributed around one end of the drive mechanism, a baffle is rotatably mounted on one end of the U-shaped frame, a traction block is arranged on the U-shaped frame, and further comprises: An assembly mechanism, the assembly mechanism comprises an assembly seat, a vertical limit assembly, a transverse limit assembly, a connecting belt and an assembly groove, the bottom of the assembly seat is slidably mounted in the U-shaped frame, both left and right ends of the assembly seat are provided with assembly grooves matched with the transverse limit assembly, one end of the transverse limit assembly is locked to the bottom of the traction block, the vertical limit assembly is slidably mounted on the assembly seat and slidably matched with the other end of the transverse limit assembly, a connecting belt is fixed between two adjacent assembly seats, and the connecting belt is used to connect multiple assembly seats as a whole; The driving mechanism drives the U-shaped frames distributed around it to rotate cyclically, and the multiple U-shaped frames drive their respective assembly seats to rotate cyclically. The regulating mechanism drives the two mounting plates to move away from and towards each other by rotating, and the two mounting plates drive the traction blocks distributed on them to move away from and towards each other. The lateral limiting assembly quickly installs the traction block on the assembly seat by cooperating with the assembly groove, and limits and fixes the traction block in the horizontal direction. The vertical limiting assembly increases the connection area between the traction block and the assembly seat by cooperating with the lateral limiting assembly installed on the assembly seat, and limits and fixes the traction block in the vertical direction. A tensioning mechanism, one end of which is movably mounted on the device seat, and the other end of which is connected to a driving mechanism on the mounting plate and both of which are slidably matched with a horizontal slide groove. The tensioning mechanism drives one end of the driving mechanism to slide in the horizontal slide groove by telescoping. One end of the driving mechanism releases the overall structure of the assembly seat and the connecting belt by sliding in the horizontal slide groove. The assembly seat and the connecting belt quickly remove the assembly mechanism and the traction block thereon from the U-shaped frame.

[0008] As a further technical solution of the present invention, the vertical limit assembly includes: Two limit blocks A are symmetrically slidably mounted on the assembly seat and slidably cooperate with the lateral limit assembly, and one side of the two limit blocks A is connected to the inner wall of the assembly seat through a spring A; A sliding column slidably mounted on the assembly seat, a lever being fixed to one end of the sliding column, and a spring B being installed between the other end of the sliding column and the inner wall of the assembly seat; and The trapezoidal block is fixed on the sliding column, and the outer wall of the trapezoidal block is slidably matched with the other side of the two limit blocks A.

[0009] As a further technical solution of the present invention, the lever adopts an L-shaped rod structure.

[0010] As a further technical solution of the present invention, the lateral limit assembly includes: A connecting block locked to the bottom of the traction block, wherein connecting grooves B are provided on both sides of the connecting block, and a connecting groove A for slidingly cooperating with two limit blocks A is provided at the bottom of the connecting block; and The limit blocks B are respectively slidably installed in the two connecting grooves B, one end of the two limit blocks B is respectively connected to the inner walls of the two connecting grooves B through springs, and the other ends of the two limit blocks B extend outside the connecting grooves B and cooperate with the assembly grooves.

[0011] As a further technical solution of the present invention, the limit block B adopts a block structure with a right-angled trapezoidal cross-section, the top of one end of the limit block B is set as an inclined end surface, and the bottom of the assembly groove is set as an inclined end surface.

[0012] As a further technical solution of the present invention, the regulating mechanism comprises: A fixing bracket fixed to the device base and located on one side of the mounting plate; A guide post fixed to one end of the fixing frame; Rotate the bidirectional screw mounted on the fixed frame; A motor B fixed on the fixed frame, wherein the output end of the motor B is connected to the bidirectional screw through a transmission member; and Two sliding sleeves are respectively fixedly connected to one side of the mounting plate, and both sliding sleeves are slidably matched with the guide pillars. The sliding sleeves on the two mounting plates are respectively threadedly connected to the two ends of the bidirectional screw.

[0013] As a further technical solution of the present invention, the driving mechanism comprises: Rotate the rotating shaft A installed on the end of the mounting plate away from the horizontal slide groove; Rotate the rotating shaft B installed on the tensioning mechanism; A sprocket A fixed to one end of the rotating shaft A; A sprocket B fixed to one end of the rotating shaft B; A chain distributed outside the sprocket A and the sprocket B and meshing with both of them, wherein a chain shaft is distributed on the chain, and a U-shaped frame is fixed on the chain shaft; A universal head fixed to the other end of the rotating shaft A; A motor A is fixed in the driving box, and an output end of the motor A extends outside the driving box and is connected to another universal head; and A telescopic member located between and connected to the two universal heads.

[0014] As a further technical solution of the present invention, the tensioning mechanism comprises: Rotate the hydraulic components mounted on the device base; A moving frame slidably mounted on the device seat, one side of the moving frame is connected to the output end of the hydraulic component, and a vertical slide groove is provided on the moving frame; and The sliders are respectively slidably installed in the vertical slide groove and the horizontal slide groove, and the sliders are connected to the rotating shaft B.

[0015] Compared with the prior art, the present invention has the following beneficial effects: The assembly mechanism can not only realize the rapid separation and rapid connection of a single traction block and a driving mechanism, so that the traction block can smoothly cyclically rotate with the driving mechanism, thereby completing the stable traction of the plastic pipe and improving the working efficiency of the device; it can also ensure the connection stability between the traction block and the U-shaped frame, so that the traction block can be stably placed on the driving mechanism, ensuring the traction quality of the traction device for the plastic pipe, and further improving the working efficiency of the traction device; The tensioning mechanism can loosen and tighten one end of the driving mechanism by cooperating with the mounting plate, thereby releasing the overall structure of the assembly seat and the connecting belt, so that the assembly seat and the connecting belt can quickly remove the assembly mechanism and the traction block thereon from the U-shaped frame, and realize the rapid separation of the traction block from the driving mechanism, thereby completing the rapid and uniform replacement of all traction blocks in the entire cycle, greatly facilitating the daily maintenance operation of the device and ensuring that the device can always be in the best condition to cope with the challenges of traction of plastic pipes of various specifications; The regulating mechanism can change the relative positions of the two mounting plates, thereby changing the relative positions of the traction blocks on the two mounting plates to adapt to the effective traction requirements of plastic pipes of different diameters, significantly improving the applicability and traction efficiency of the traction device.

[0016] In order to more clearly illustrate the structural features and effects of the present invention, the present invention is described in detail below in conjunction with the accompanying drawings and specific embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A schematic structural diagram of a plastic pipe manufacturing traction device from a first perspective provided in an embodiment of the present invention.

[0018] Figure 2 A structural schematic diagram of the plastic pipe manufacturing traction device from a second perspective provided in an embodiment of the present invention.

[0019] Figure 3 A schematic structural diagram of the plastic pipe manufacturing traction device from a third perspective provided in an embodiment of the present invention.

[0020] Figure 4 for Figure 1 A magnified view of the structure in the middle.

[0021] Figure 5 for Figure 4 A magnified view of the structure of the assembly mechanism.

[0022] Figure 6 for Figure 5 Structural side view of the middle assembly seat and vertical limit assembly.

[0023] Figure 7 for Figure 5Structural explosion diagram of the middle lateral limit assembly.

[0024] Figure numerals: 100-device seat, 110-drive box, 200-drive mechanism, 210-universal head, 220-telescopic member, 230-rotating shaft A, 240-sprocket A, 250-chain, 260-chain shaft, 270-sprocket B, 280-rotating shaft B, 300-mounting plate, 310-horizontal slide, 400-regulating mechanism, 410-fixed frame, 420-guide column, 430-sliding sleeve, 440-motor B, 450-transmission member, 460-bidirectional screw, 500-traction block, 600-elasticity mechanism, 610-liquid Pressure piece, 620-movable frame, 630-vertical slide groove, 640-slider, 700-assembly mechanism, 710-assembly seat, 720-vertical limit assembly, 721-limit block A, 722-spring A, 723-trapezoidal block, 724-sliding column, 725-spring B, 726-dial rod, 730-lateral limit assembly, 731-connecting block, 732-connecting groove A, 733-connecting groove B, 734-limit block B, 735-spring C, 740-connecting belt, 750-assembly groove, 800-U-shaped frame, 810-baffle. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0026] The specific implementation of the present invention is described in detail below in conjunction with specific embodiments.

[0027] like Figures 1 to 7 As shown, a plastic pipe manufacturing traction device provided as an embodiment of the present invention includes a device seat 100, on which a drive box 110, a drive mechanism 200 and a regulating mechanism 400 are sequentially arranged, one end of the regulating mechanism 400 is symmetrically mounted with two mounting plates 300, one side of each of the two mounting plates 300 is provided with a horizontal slide groove 310, one end of the drive mechanism 200 is rotatably mounted on the two mounting plates 300, the other end of the drive mechanism 200 is arranged in the drive box 110, a U-shaped frame 800 is distributed around one end of the drive mechanism 200, a baffle 810 is rotatably mounted on one end of the U-shaped frame 800, a traction block 500 is arranged on the U-shaped frame 800, and further includes: The assembly mechanism 700 includes an assembly seat 710, a vertical limiting assembly 720, a lateral limiting assembly 730, a connecting belt 740 and an assembly groove 750. The bottom of the assembly seat 710 is slidably mounted in the U-shaped frame 800. Both left and right ends of the assembly seat 710 are provided with assembly grooves 750 that match the lateral limiting assembly 730. One end of the lateral limiting assembly 730 is locked to the bottom of the traction block 500. The vertical limiting assembly 720 is slidably mounted on the assembly seat 710 and slidably matches with the other end of the lateral limiting assembly 730. A connecting belt 740 is fixed between two adjacent assembly seats 710. The connecting belt 740 is used to connect multiple assembly seats 710 as a whole. The driving mechanism 200 drives the U-shaped frames 800 distributed around it to rotate cyclically, and the multiple U-shaped frames 800 drive their respective assembly seats 710 to rotate cyclically. The regulating mechanism 400 can drive the two mounting plates 300 to move away from or closer to each other by rotating, thereby driving the traction blocks 500 distributed on the two mounting plates 300 to move away from or closer to each other, changing the relative positions of the traction blocks 500 on the two mounting plates 300 to meet the effective traction requirements of plastic pipes with different diameters, and significantly improving the applicability and efficiency of the traction device; The lateral limiting assembly 730 can not only quickly install the traction block 500 on the assembly seat 710 by cooperating with the assembly groove 750, so as to realize the rapid replacement of a single traction block 500 and ensure the traction quality of the traction device for the plastic pipe, but also limit and fix the traction block 500 in the horizontal direction, so that it is stably placed on the assembly seat 710 and follows the driving mechanism 200 to perform cyclic rotation, so as to ensure that the traction block 500 continuously and stably pulls the plastic pipe, thereby improving the working efficiency and stability of the traction device; The vertical limiting assembly 720 can not only increase the connection area between the traction block 500 and the assembly seat 710 and enhance the installation stability of the traction block 500 by cooperating with the horizontal limiting assembly 730 installed on the assembly seat 710, but also limit and fix the traction block 500 in the vertical direction, further improve the connection stability between the traction block 500 and the driving mechanism 200, ensure the traction quality of the traction device on the plastic pipe, and further improve the working efficiency of the traction device; The tensioning mechanism 600 has one end movably mounted on the device seat 100, and the other end of the tensioning mechanism 600 is connected to the driving mechanism 200 located on the mounting plate 300 and is slidably matched with the horizontal slide groove 310 opened at one end of the two mounting plates 300. The tensioning mechanism 600 can drive one end of the driving mechanism 200 to slide in the horizontal slide groove 310 by telescoping. One end of the driving mechanism 200 can release the overall structure of the assembly seat 710 and the connecting belt 740 by sliding in the horizontal slide groove 310, so that the assembly seat 710 and the connecting belt 740 can quickly remove the assembly mechanism 700 and the traction block 500 thereon from the U-shaped frame 800, thereby realizing the rapid separation of the traction block 500 from the driving mechanism 200, thereby completing the rapid and uniform replacement of all traction blocks 500 in the entire cycle, greatly facilitating the daily maintenance operation of the device, and ensuring that the device can always be in the best condition to cope with the challenges of traction of plastic pipes of various specifications.

[0028] In this embodiment, the connecting belt 740 preferably adopts a belt-shaped structure with a certain elasticity; When the tensioning mechanism 600 is not working, the baffle 810 rotates to one side of the assembly seat 710 and effectively restricts the assembly seat 710 in the U-shaped frame 800, and a friction buffer pad is installed between the baffle 810 and the U-shaped frame 800, and the baffle 810 can only rotate under the action of external force. When the tensioning mechanism 600 is working, the baffle 810 rotates to the bottom of the U-shaped frame 800, which can release the restriction on the assembly seat 710, so that all the assembly seats 710 can be quickly detached from the U-shaped frame 800.

[0029] like Figures 4 to 7 As shown, as a preferred embodiment of the present invention, the vertical limit assembly 720 includes a limit block A721, a spring A722, a trapezoidal block 723, a sliding column 724, a spring B725 and a lever 726. The limit block A721 is symmetrically slidably installed on the assembly seat 710 and slidably cooperates with the lateral limit assembly 730. One side of the two limit blocks A721 is connected to the inner wall of the assembly seat 710 through the spring A722, and the other sides of the two limit blocks A721 are slidably cooperated with the outer wall of the trapezoidal block 723. The trapezoidal block 723 is fixed on the sliding column 724, and the sliding column 724 is slidably installed on the assembly seat 710. A lever 726 is fixed to one end of the sliding column 724, and a spring B725 is installed between the other end of the sliding column 724 and the inner wall of the assembly seat 710.

[0030] like Figures 4 to 7As shown, as a preferred embodiment of the present invention, the lever 726 preferably adopts an L-shaped rod structure, which can facilitate the staff's fingers or handheld tools to quickly connect with the lever 726, so as to quickly pull the lever 726.

[0031] In this embodiment, in the initial state, the spring B725 drives the sliding column 724 to move through its own elastic force, and the sliding column 724 drives the trapezoidal block 723 to move, so that the end with the smallest width on the trapezoidal block 723 slides with the two limit blocks A721, and the spring A722 releases the two limit blocks A721 through its own elastic force, so that the two limit blocks A721 are close to each other and cooperate with the lateral limit assembly 730, which can not only increase the connection area between the traction block 500 and the assembly seat 710 and enhance the installation stability of the traction block 500, but also limit and fix the traction block 500 in the vertical direction, further improve the connection stability between the traction block 500 and the driving mechanism 200, ensure the traction quality of the traction device on the plastic pipe, and further improve the working efficiency of the traction device.

[0032] In a preferred embodiment, the elastic force of the spring B725 is greater than the elastic force of the spring A722, the sliding column 724 preferably adopts a columnar structure, and the limiting block A721 preferably adopts an I-shaped block structure.

[0033] like Figures 4 to 7 As shown, as a preferred embodiment of the present invention, the lateral limit assembly 730 includes a connecting block 731, a connecting groove A732, a connecting groove B733, a limit block B734 and a spring C735. The connecting block 731 is locked to the bottom of the traction block 500. Both sides of the connecting block 731 are provided with connecting grooves B733 for sliding installation of two limit blocks B734. The bottom of the connecting block 731 is provided with a connecting groove A732 that slides with the two limit blocks A721. One end of the two limit blocks B734 is connected to the inner wall of the connecting groove B733 through the spring C735, and the other end of the two limit blocks B734 extends outside the connecting groove B733 and cooperates with the assembly groove 750.

[0034] like Figures 4 to 7 As shown, as a preferred embodiment of the present invention, the limit block B734 preferably adopts a block structure with a right-angled trapezoidal cross-section, and the top of one end of the limit block B734 is set as an inclined end face, so that the limit block B734 can be quickly removed from the assembly seat 710, thereby completing the rapid replacement of a single traction block 500, and the bottom of the assembly groove 750 is set as an inclined end face, so that the limit block B734 can quickly enter the assembly groove 750 and cooperate with it, thereby realizing the rapid installation of a single traction block 500.

[0035] In this embodiment, in the initial state, the spring C735 drives the two limit blocks B734 to move away from each other through its own elastic force, so that the two limit blocks B734 are located in the assembly groove 750 and cooperate with it. In this way, not only can the traction block 500 be quickly installed on the assembly seat 710, but the traction block 500 can also be limited and fixed in the horizontal direction, so that it can be stably placed on the assembly seat 710 and follow the driving mechanism 200 for cyclic rotation, ensuring that the traction block 500 continuously and stably pulls the plastic pipe, thereby improving the working efficiency and stability of the traction device.

[0036] In a preferred embodiment, when replacing the traction block 500, it is only necessary to separate the original traction block 500 from the connecting block 731, then lock the connecting block 731 and the new traction block 500 together, and then reinstall the lateral limit assembly 730 into the assembly seat 710, so as to complete the quick replacement of a single traction block 500.

[0037] like Figures 1 to 4 As shown, as a preferred embodiment of the present invention, the regulating mechanism 400 includes a fixed frame 410, a guide column 420, a sleeve 430, a motor B440, a transmission member 450 and a bidirectional screw 460. The fixed frame 410 is fixed on the device seat 100 and is located on one side of the mounting plate 300. A guide column 420 is fixed at one end of the fixed frame 410. Sleeves 430 respectively fixedly connected to one side of two mounting plates 300 are slidably mounted on the guide column 420. The sleeves 430 on the two mounting plates 300 are respectively threadedly connected to both ends of the bidirectional screw 460. The bidirectional screw 460 is vertically and rotatably mounted on the fixed frame 410. The motor B440 is fixed on the fixed frame 410. The output end of the motor B440 is connected to the bidirectional screw 460 through the transmission member 450.

[0038] In this embodiment, when the relative positions of the traction blocks 500 on the two mounting plates 300 need to be changed, the motor B440 drives the bidirectional screw 460 to rotate through the transmission member 450. The bidirectional screw 460 can drive the two sleeves 430 to move away from or away from each other by cooperating with the guide column 420. The two sleeves 430 drive their respective mounting plates 300 to move away from or towards each other, thereby driving the traction blocks 500 distributed on the two mounting plates 300 to move away from or towards each other, thereby changing the relative positions of the traction blocks 500 on the two mounting plates 300 to adapt to the effective traction requirements of plastic pipes of different diameters, thereby significantly improving the applicability and efficiency of the traction device.

[0039] like Figures 1 to 5As shown, as a preferred embodiment of the present invention, the driving mechanism 200 includes a motor A, a universal head 210, a telescopic member 220, a rotating shaft A230, a sprocket A240, a chain 250, a chain shaft 260, a sprocket B270 and a rotating shaft B280. The rotating shaft A230 is rotatably mounted on the mounting plate 300 at one end away from the horizontal slide groove 310, and the rotating shaft B280 is rotatably mounted on the slider 640. The sprocket A240 is fixed at one end of the rotating shaft A230, and the rotating shaft B280 is fixed at one end. Sprocket B270, the sprocket A240 and the sprocket B270 are both meshed with a chain 250 arranged outside the two, a chain shaft 260 is distributed on the chain 250, a U-shaped frame 800 is fixed on the chain shaft 260, a universal head 210 is installed on the other end of the rotating shaft A230, the motor A is fixed in the driving box 110, the output end of the motor A extends to the outside of the driving box 110 and is connected to another universal head 210, and the two universal heads 210 are connected by a telescopic member 220.

[0040] In this embodiment, motor A can drive the rotating shaft A230 to rotate through two universal heads 210 and telescopic parts 220, and the rotating shaft A230 drives the sprocket A240 to rotate. The sprocket A240 can drive the chain 250 and the chain shaft 260 thereon to rotate in a circular manner by cooperating with the sprocket B270, thereby driving the traction blocks 500 distributed on the two mounting plates 300 to rotate in a circular manner, completing the sustainable traction of the plastic pipe and improving the working efficiency of the device.

[0041] In a preferred embodiment, the telescopic member 220 preferably adopts a telescopic structure composed of a telescopic rod and a spring.

[0042] like Figures 1 to 4 As shown, as a preferred embodiment of the present invention, the tensioning mechanism 600 includes a hydraulic component 610, a movable frame 620, a vertical slide groove 630 and a slider 640. One end of the hydraulic component 610 is rotatably mounted on the device seat 100, and the output end of the hydraulic component 610 is connected to the movable frame 620 slidably mounted on the device seat 100. The movable frame 620 is provided with a vertical slide groove 630. The slider 640 is slidably mounted in the vertical slide groove 630 and the horizontal slide groove 310 respectively, and the slider 640 is connected to the driving mechanism 200.

[0043] In this embodiment, when all the traction blocks 500 need to be replaced, the hydraulic component 610 can drive the movable frame 620 to slide by telescoping, and the movable frame 620 drives the slider 640 to slide in the horizontal slide groove 310. The slider 640 can drive the sprocket B270 to move through the rotating shaft B280, thereby releasing the chain 250, so that the chain 250 is in a relaxed state, thereby releasing the overall structure of the assembly seat 710 and the connecting belt 740, so that the assembly seat 710 and the connecting belt 740 can quickly remove the assembly mechanism 700 and the traction block 500 thereon from the U-shaped frame 800, and realize the rapid separation of the traction block 500 from the driving mechanism 200, thereby completing the rapid and uniform replacement of all the traction blocks 500 in the entire cycle, greatly facilitating the daily maintenance operations of the device, and ensuring that the device can always be in the best condition to cope with the challenges of traction of plastic pipes of various specifications.

[0044] In a preferred embodiment, the hydraulic component 610 preferably adopts a hydraulic telescopic system composed of a hydraulic cylinder and a hydraulic rod.

[0045] The working principle of the present invention is: In the initial state, the spring B725 drives the sliding column 724 to move by its own elastic force, and the sliding column 724 drives the trapezoidal block 723 to move, so that the end with the smallest width on the trapezoidal block 723 slides with the two limit blocks A721, and the spring A722 releases the two limit blocks A721 by its own elastic force, so that the two limit blocks A721 are close to each other and cooperate with the lateral limit assembly 730, so that not only the connection area between the traction block 500 and the assembly seat 710 can be increased, and the installation stability of the traction block 500 can be enhanced, but also the traction block 500 can be limited and fixed in the vertical direction; In the initial state, the spring C735 drives the two limit blocks B734 to move away from each other through its own elastic force, so that the two limit blocks B734 are located in the assembly groove 750 and cooperate with it, so that not only can the traction block 500 be quickly installed on the assembly seat 710, but also the traction block 500 can be limited and fixed in the horizontal direction, so that it can be stably placed on the assembly seat 710 and follow the driving mechanism 200 to perform cyclic rotation, ensuring that the traction block 500 continuously and stably pulls the plastic pipe; When the relative positions of the traction blocks 500 on the two mounting plates 300 need to be changed, the motor B440 drives the bidirectional screw 460 to rotate through the transmission member 450. The bidirectional screw 460 can drive the two sliding sleeves 430 to move away from or away from each other by cooperating with the guide column 420. The two sliding sleeves 430 drive their respective mounting plates 300 to move away from or towards each other, thereby driving the traction blocks 500 distributed on the two mounting plates 300 to move away from or towards each other, and changing the relative positions of the traction blocks 500 on the two mounting plates 300 to meet the effective traction requirements of plastic pipes with different diameters. When all the traction blocks 500 need to be replaced, the hydraulic component 610 can drive the moving frame 620 to slide by telescoping, and the moving frame 620 drives the slider 640 to slide in the horizontal slide groove 310, and the slider 640 can drive the sprocket B270 to move through the rotating shaft B280, so as to release the chain 250, so that the chain 250 is in a relaxed state, thereby releasing the overall structure of the assembly seat 710 and the connecting belt 740, so that the assembly seat 710 and the connecting belt 740 can quickly remove the assembly mechanism 700 and the traction block 500 thereon from the U-shaped frame 800, so as to achieve the rapid separation of the traction block 500 from the driving mechanism 200, thereby completing the rapid and uniform replacement of all the traction blocks 500 in the entire cycle. The above is the working principle of the plastic pipe manufacturing traction device.

[0046] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A traction device for manufacturing plastic pipes, comprising a device seat, on which a drive box, a drive mechanism and a regulating mechanism are sequentially arranged, one end of the regulating mechanism is symmetrically mounted with two mounting plates, one side of each of the two mounting plates is provided with a horizontal slide groove, one end of the drive mechanism is rotatably mounted on the two mounting plates, the other end of the drive mechanism is arranged in the drive box, a U-shaped frame is distributed around one end of the drive mechanism, a baffle is rotatably mounted on one end of the U-shaped frame, a traction block is arranged on the U-shaped frame, and the characteristics are as follows: Also includes: An assembly mechanism, the assembly mechanism comprises an assembly seat, a vertical limit assembly, a transverse limit assembly, a connecting belt and an assembly groove, the bottom of the assembly seat is slidably mounted in the U-shaped frame, both left and right ends of the assembly seat are provided with assembly grooves matched with the transverse limit assembly, one end of the transverse limit assembly is locked to the bottom of the traction block, the vertical limit assembly is slidably mounted on the assembly seat and slidably matched with the other end of the transverse limit assembly, a connecting belt is fixed between two adjacent assembly seats, and the connecting belt is used to connect multiple assembly seats as a whole; The driving mechanism drives the U-shaped frames distributed around it to rotate cyclically, and the multiple U-shaped frames drive their respective assembly seats to rotate cyclically. The regulating mechanism drives the two mounting plates to move away from and towards each other by rotating, and the two mounting plates drive the traction blocks distributed on them to move away from and towards each other. The lateral limiting assembly quickly installs the traction block on the assembly seat by cooperating with the assembly groove, and limits and fixes the traction block in the horizontal direction. The vertical limiting assembly increases the connection area between the traction block and the assembly seat by cooperating with the lateral limiting assembly installed on the assembly seat, and limits and fixes the traction block in the vertical direction. A tensioning mechanism, one end of which is movably mounted on the device seat, and the other end of which is connected to a driving mechanism on the mounting plate and both of which are slidably matched with a horizontal slide groove. The tensioning mechanism drives one end of the driving mechanism to slide in the horizontal slide groove by telescoping. One end of the driving mechanism releases the overall structure of the assembly seat and the connecting belt by sliding in the horizontal slide groove. The assembly seat and the connecting belt quickly remove the assembly mechanism and the traction block thereon from the U-shaped frame.

2. The plastic pipe manufacturing traction device according to claim 1, characterized in that: The vertical limit assembly comprises: Two limit blocks A are symmetrically slidably mounted on the assembly seat and slidably cooperate with the lateral limit assembly, and one side of the two limit blocks A is connected to the inner wall of the assembly seat through a spring A; A sliding column slidably mounted on the assembly seat, a lever being fixed to one end of the sliding column, and a spring B being installed between the other end of the sliding column and the inner wall of the assembly seat; and The trapezoidal block is fixed on the sliding column, and the outer wall of the trapezoidal block is slidably matched with the other side of the two limit blocks A.

3. The plastic pipe manufacturing traction device according to claim 2, characterized in that: The lever adopts an L-shaped rod structure.

4. The plastic pipe manufacturing traction device according to claim 2, characterized in that: The lateral limiting assembly comprises: A connecting block locked to the bottom of the traction block, wherein connecting grooves B are provided on both sides of the connecting block, and a connecting groove A for slidingly cooperating with two limit blocks A is provided at the bottom of the connecting block; and The limit blocks B are respectively slidably installed in the two connecting grooves B, one end of the two limit blocks B is respectively connected to the inner walls of the two connecting grooves B through springs, and the other ends of the two limit blocks B extend outside the connecting grooves B and cooperate with the assembly grooves.

5. The plastic pipe manufacturing traction device according to claim 4, characterized in that: The limit block B adopts a block structure with a right-angle trapezoidal cross section. The top of one end of the limit block B is set as an inclined end surface, and the bottom of the assembly groove is set as an inclined end surface.

6. The plastic pipe manufacturing traction device according to claim 1, characterized in that: The regulatory agencies include: A fixing bracket fixed to the device base and located on one side of the mounting plate; A guide post fixed to one end of the fixing frame; Rotate the bidirectional screw mounted on the fixed frame; A motor B fixed on the fixed frame, wherein the output end of the motor B is connected to the bidirectional screw through a transmission member; and Two sliding sleeves are respectively fixedly connected to one side of the mounting plate, and both sliding sleeves are slidably matched with the guide pillars. The sliding sleeves on the two mounting plates are respectively threadedly connected to the two ends of the bidirectional screw.

7. The plastic pipe manufacturing traction device according to claim 1, characterized in that: The driving mechanism comprises: Rotate the rotating shaft A installed on the end of the mounting plate away from the horizontal slide groove; Rotate the rotating shaft B installed on the tensioning mechanism; A sprocket A fixed to one end of the rotating shaft A; A sprocket B fixed to one end of the rotating shaft B; A chain distributed outside the sprocket A and the sprocket B and meshing with both of them, wherein a chain shaft is distributed on the chain, and a U-shaped frame is fixed on the chain shaft; A universal head fixed to the other end of the rotating shaft A; A motor A is fixed in the driving box, and an output end of the motor A extends outside the driving box and is connected to another universal head; and A telescopic member located between and connected to the two universal heads.

8. The plastic pipe manufacturing traction device according to claim 7, characterized in that: The tensioning mechanism comprises: Rotate the hydraulic components mounted on the device base; A moving frame slidably mounted on the device seat, one side of the moving frame is connected to the output end of the hydraulic component, and a vertical slide groove is provided on the moving frame; and The sliders are respectively slidably installed in the vertical slide groove and the horizontal slide groove, and the sliders are connected to the rotating shaft B.

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