Traction device of PVC plastic hose production line

Abstract

The utility model relates to the technical field of PVC (polyvinyl chloride) plastic hose production, in particular to a traction device for a PVC plastic hose production line, which improves the traction efficiency, is suitable for pipelines with different diameters and widens the application range. Comprising a workbench, a conveying assembly, an upper traction assembly, a lifting assembly, a limiting assembly and an adjusting assembly, the bottom of the workbench is fixedly connected to the top of a box body, the conveying assembly is installed at the top of the workbench and comprises a conveying base, a plurality of rollers, a plurality of chain wheels and a conveying motor, and the upper traction assembly is installed above the conveying assembly through the lifting assembly; limiting assemblies are installed at the left end and the right end of the top of the workbench through adjusting assemblies.

Description

Technical Field

[0001] The utility model relates to the technical field of PVC plastic hose production, in particular to a traction device for a PVC plastic hose production line. Background Art

[0002] The main component of PVC is polyvinyl chloride, and other ingredients are added to enhance its heat resistance, toughness and ductility. The top layer of this surface film is paint, the main component in the middle is polyvinyl chloride, and the bottom layer is back-coated adhesive. It is a synthetic material that is deeply loved, popular and widely used in the world today. PVC pipes are extruded and cooled on the production line, and the extruded PVC pipes need to be towed and transported. A traction machine for PVC pipe production proposed in prior art announcement number CN206983208U includes a base, a shell is fixedly connected to the upper end of the base, a support plate is fixedly welded around the inner wall of the shell, a spring is fixedly connected to one side of the support plate, a spring fixing plate is fixedly connected to the other end of the spring, a bearing seat is fixedly connected to one side of the spring fixing plate, a bearing is embedded in the bearing seat, a roller is installed between the bearings, a traction groove is provided on the outer surface of the roller, a pipe inlet is provided at one end of the shell, a pipe outlet is provided at the other end of the shell, one side of the upper support plate in the support plate is fixedly connected to the spring fixing plate through a fixing column, and one side of the upper roller is connected to a motor through a transmission rod. However, the traction efficiency is low, and it is impossible to effectively pull according to the specifications of the pipe, and the scope of application is narrow, which affects the processing quality of plastic pipes. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides a traction device for a PVC plastic hose production line which improves traction efficiency, is applicable to pipes of different diameters, and has a wider application range.

[0004] The utility model discloses a traction device for a PVC plastic hose production line, comprising a workbench, a conveying component, an upper traction component, a lifting component, a limit component and an adjustment component. The bottom of the workbench is fixedly connected to the top of a box body, the top of the workbench is equipped with a conveying component, the upper traction component is installed above the conveying component through the lifting component, the lifting component is installed on the top of the workbench, and the limit components are installed on the left and right ends of the top of the workbench through the adjustment component. The device is installed at the rear end of a pipeline cooling trough through the box body, the PVC pipeline enters between the conveying component and the upper traction component after extrusion and cooling, the distance between the traction component and the conveying component can be adjusted through the lifting component, so that pipelines with different diameters can be pulled and conveyed conveniently, the front and rear sides of the pipeline are limited and guided by the limit component, the overall quality of the PVC pipe is guaranteed, the traction efficiency is improved, the adjustment component can adjust the distance between the limit components, it is suitable for pipelines with different diameters, and the application range is improved.

[0005] Preferably, the conveying assembly includes a conveying seat, multiple rollers, multiple sprockets and a conveying motor. The conveying seat is fixedly installed in the middle of the workbench, and multiple rollers are rotatably installed on the conveying seat. The rear end of the roller passes through the conveying seat and is equipped with a sprocket. The multiple sprockets are connected by chain transmission, and the input end of the front roller is connected to the output end of the conveying motor; the conveying motor is started to drive the roller to rotate, and the multiple rollers are rotated synchronously through the sprocket and chain to convey and pull the pipeline.

[0006] Preferably, the upper traction assembly includes a mounting plate, multiple rollers, a chain conveyor belt, a transmission and a synchronous motor. The mounting plate is located above the roller wheel, and multiple rollers are rotatably mounted on the bottom of the mounting plate. Chain conveyor belts are wound around the outer surfaces of the multiple rollers, and rubber strips are provided on the outer surface of the chain conveyor belt. The input end of the roller is connected to the output end of the synchronous motor, and the input end of the synchronous motor is connected to the output end of the transmission. The transmission and the synchronous motor are mounted on the front end of the mounting plate; the transmission is started to drive the roller to rotate through the synchronous motor, and the roller drives the chain conveyor belt to rotate to transport the pipe, the contact area between the chain conveyor belt and the surface of the PVC pipe is increased, and the friction force is also increased, so that the traction process is not easy to slip, avoiding dents on the surface of the PVC pipe caused by uneven traction force, ensuring the overall quality of the PVC pipe, and improving the traction efficiency.

[0007] Preferably, the lifting assembly includes multiple columns, a top plate, a driving box, a forward and reverse motor, a driving bevel gear, a rotating screw sleeve, a threaded rod and two T-shaped sliding rods. Multiple columns are fixedly installed at the top four corners of the workbench, the top of the column is fixedly installed with a top plate, the driving box is installed in the middle of the top plate, the forward and reverse motors are installed inside the driving box, the rotating screw sleeve is rotatably installed in the middle of the top plate, a bevel gear is arranged on the upper part of the rotating screw sleeve, a threaded rod is threadedly installed in the middle of the rotating screw sleeve, the bottom of the threaded rod is rotatably connected to the top of the mounting plate, and the output end of the forward and reverse motor is installed with a driving bevel gear. Gear, driving bevel gear meshes with the upper part of the rotating screw sleeve, two T-shaped slide bars are symmetrically slidably installed on the left and right sides of the top plate, and the bottom of the T-shaped slide bar is fixedly connected to the top of the mounting plate; starting the forward and reverse motors drives the driving bevel gear to rotate, and the driving bevel gear drives the rotating screw sleeve to rotate, which can make the threaded rod move up and down, adjust the height position of the mounting plate, and adjust the distance between the chain conveyor belt and the roller, which is suitable for different pipes. When the mounting plate moves, it drives the T-shaped slide bar to slide on the top plate, supports and guides the mounting plate, and ensures stability during use.

[0008] Preferably, the limiting assembly includes two groups of end seats, two groups of side rollers, two groups of third transmissions and two groups of second synchronous motors. The two groups of end seats are symmetrically installed front and back at the left and right ends of the top of the workbench. Side rollers are rotatably installed on the end seats. The input ends of the side rollers are connected to the output ends of the third transmissions, and the input ends of the third transmissions are connected to the output ends of the second synchronous motors. The third transmissions and the second synchronous motors are located on the top of the end seats. Starting the second synchronous motor drives the side rollers to rotate through the third transmission to convey the pipe, so that when the pipe is stretched, there are force points at the front and rear ends of the outer wall, which facilitates the positioning of the PVC pipe during the traction process and greatly improves the production accuracy and traction stability.

[0009] Preferably, the adjusting component includes two rotating rods, two groups of adjusting sliders, two second transmissions and two adjusting motors. Adjustment grooves are provided at the left and right ends of the top of the workbench. The two rotating rods are rotatably installed in the adjusting grooves respectively. Threaded grooves are symmetrically provided at the front and rear ends of the rotating rod. Adjustment sliders are symmetrically screwed on the outer wall of the rotating rod. The adjusting sliders are slidably installed in the adjusting grooves. The top of the adjusting slider is connected to the bottom of the end seat. The front end of the rotating rod passes through the adjusting groove and is connected to the output end of the second transmission. The input end of the second transmission is connected to the output end of the adjusting motor. The adjusting motor is started to drive the rotating rod to rotate through the second transmission to adjust the distance between the two adjusting sliders, thereby adjusting the distance between the front and rear end seats. It is suitable for pipes of different diameters and improves the scope of application.

[0010] Preferably, a rubber anti-skid layer is provided on the outer walls of the roller and the side roller; the rubber anti-skid layer can increase the friction between the roller and the PVC pipe, thereby increasing the pulling force on the PVC pipe, increasing the pulling effect on the PVC pipe, and improving practicality.

[0011] Compared with the prior art, the utility model has the following beneficial effects: the equipment is installed at the rear end of the pipe cooling trough through a box body, and the PVC pipe enters between the conveying assembly and the upper traction assembly after being extruded and cooled; the distance between the traction assembly and the conveying assembly can be adjusted by the lifting assembly, which is convenient for traction and transportation of pipes of different diameters; the front and rear sides of the pipe are limited and guided by the limiting assembly, which ensures the overall quality of the PVC pipe and improves the traction efficiency; the adjusting assembly can adjust the distance between the limiting assemblies, which is suitable for pipes of different diameters and improves the scope of application. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a structural schematic diagram of the utility model;

[0013] Figure 2 It is a front structural schematic diagram of the utility model;

[0014] Figure 3 It is a schematic diagram of the rear three-dimensional structure of the utility model;

[0015] Figure 4 It is a front cross-sectional structural schematic diagram of the utility model;

[0016] Figure 5 It is a left-side cross-sectional structural schematic diagram of the utility model;

[0017] Markings in the attached drawings: 1. workbench; 2. box body; 3. column; 4. top plate; 5. conveying seat; 6. roller; 7. sprocket; 8. chain; 9. conveying motor; 10. mounting plate; 11. roller shaft; 12. chain conveyor belt; 13. transmission; 14. synchronous motor; 15. driving box; 16. forward and reverse motor; 17. driving bevel gear; 18. rotating screw sleeve; 19. threaded rod; 20. T-shaped slide bar; 21. rotating rod; 22. adjusting slider; 23. second transmission; 24. adjusting motor; 25. end seat; 26. side roller; 27. third transmission; 28. second synchronous motor. DETAILED DESCRIPTION

[0018] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant drawings. The utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0019] like Figures 1 to 5As shown, the bottom of the workbench 1 is fixedly connected to the top of the box body 2, the conveying seat 5 is fixedly installed in the middle of the workbench 1, and multiple rollers 6 are rotatably installed on the conveying seat 5. The rear end of the roller 6 passes through the conveying seat 5 and is installed with a sprocket 7. The multiple sprockets 7 are connected by a chain 8. The input end of the front roller 6 is connected to the output end of the conveying motor 9. The mounting plate 10 is located above the roller 6. The bottom of the mounting plate 10 is rotatably installed with multiple roller shafts 11. Chain conveyor belts 12 are wound around the outer surfaces of the multiple roller shafts 11. The outer surface of the chain conveyor belt 12 is provided with a rubber strip. The input end of the roller shaft 11 is connected to the output end of the conveying motor 9. The output end of the synchronous motor 14 is connected, and the input end of the synchronous motor 14 is connected to the output end of the transmission 13. The transmission 13 and the synchronous motor 14 are installed at the front end of the mounting plate 10. A plurality of columns 3 are fixedly installed at the top four corners of the workbench 1. A top plate 4 is fixedly installed on the top of the column 3. A drive box 15 is installed in the middle of the top plate 4. A forward and reverse motor 16 is installed inside the drive box 15. A rotating screw sleeve 18 is rotated to install the middle of the top plate 4. A bevel gear is arranged on the upper part of the rotating screw sleeve 18. A threaded rod 19 is screwed on the middle part of the rotating screw sleeve 18. The bottom of the threaded rod 19 is rotatably connected to the top of the mounting plate 10. The output end of the forward and reverse motor 16 is equipped with a driving bevel gear 17, which meshes with the upper part of the rotating screw sleeve 18. Two T-shaped slide bars 20 are symmetrically slidably installed on the left and right sides of the top plate 4. The bottom of the T-shaped slide bar 20 is fixedly connected to the top of the mounting plate 10. Two sets of end seats 25 are symmetrically installed on the left and right ends of the top of the workbench 1. Side rollers 26 are rotatably installed on the end seats 25. The input end of the side roller 26 is connected to the output end of the third transmission 27. The input end of the third transmission 27 is connected to the output end of the second synchronous motor 28. The third transmission 27 and the second synchronous motor 28 are connected. At the top of the end seat 25, adjustment grooves are provided at the left and right ends of the top of the workbench 1, and two rotating rods 21 are rotatably installed in the adjustment grooves respectively. Threaded grooves are symmetrically provided at the front and rear ends of the rotating rod 21, and adjustment sliders 22 are symmetrically screwed on the outer wall of the rotating rod 21. The adjustment sliders 22 are slidably installed in the adjustment grooves, and the top of the adjustment sliders 22 is connected to the bottom of the end seat 25. The front end of the rotating rod 21 passes through the adjustment groove and is connected to the output end of the second transmission 23. The input end of the second transmission 23 is connected to the output end of the adjustment motor 24. The outer walls of the roller 6 and the side roller 26 are provided with a rubber anti-slip layer;

[0020] The equipment is installed at the rear end of the pipeline cooling trough through the box body 2. After the PVC pipeline is extruded and cooled, it enters between the roller 6 and the chain conveyor belt 12. The rubber anti-skid layer can increase the friction between the PVC pipe and the PVC pipe, thereby increasing the traction force of the PVC pipe, increasing the traction effect of the PVC pipe, and making it more practical. The conveying motor 9 is started to drive the roller 6 to rotate, and the multiple rollers 6 are rotated synchronously through the sprocket 7 and the chain 8 to convey and pull the pipeline. The transmission 13 is started to drive the roller shaft 11 to rotate through the synchronous motor 14, and the roller shaft 11 drives the chain conveyor belt 12 to rotate to convey the pipe. The contact area between the chain conveyor belt 12 and the surface of the PVC pipe is increased, and the friction force is also increased, so that the traction process is not easy to slip, avoiding the dents on the surface of the PVC pipe caused by uneven traction, ensuring the overall quality of the PVC pipe, and improving the traction efficiency. The forward and reverse motors 16 are started to drive the driving bevel gear 17 rotates, driving the bevel gear 17 to drive the rotating screw sleeve 18 to rotate, which can make the threaded rod 19 move up and down, adjust the height position of the mounting plate 10, and adjust the distance between the chain conveyor belt 12 and the roller 6, which is suitable for different pipes. When the mounting plate 10 moves, it drives the T-shaped slide bar 20 to slide on the top plate 4, supports and guides the mounting plate 10 to ensure stability during use. The second synchronous motor 28 is started to drive the side roller 26 to rotate through the third transmission 27 to transport the pipe, so that when the pipe is stretched, the front and rear ends of the outer wall of the pipe have force points, which is convenient for the positioning of the PVC pipe during the traction process, greatly improving the production accuracy and traction stability. The adjusting motor 24 is started to drive the rotating rod 21 to rotate through the second transmission 23, and the distance between the two adjusting sliders 22 is adjusted, thereby adjusting the distance between the front and rear end seats 25, which is suitable for pipes of different diameters and improves the scope of application.

[0021] like Figures 1 to 5As shown, the utility model is a traction device for a PVC plastic hose production line. When working, the device is installed at the rear end of the pipe cooling tank through the box body 2, the adjusting motor 24 is started to drive the rotating rod 21 to rotate through the second transmission 23, and the distance between the two adjusting sliders 22 is adjusted, thereby adjusting the distance between the front and rear end seats 25. The second synchronous motor 28 is started to drive the side roller 26 to rotate through the third transmission 27 to transport the pipe, so that the front and rear ends of the outer wall of the pipe have force points when the pipe is stretched, and the forward and reverse motors 16 are started to drive the driving bevel gear 17 to rotate, and the driving bevel gear The wheel 17 drives the rotating screw sleeve 18 to rotate, which can move the threaded rod 19 up and down, adjust the height position of the mounting plate 10, adjust the distance between the chain conveyor belt 12 and the roller 6, start the conveying motor 9 to drive the roller 6 to rotate, and make multiple rollers 6 rotate synchronously through the sprocket 7 and the chain 8 to transport and pull the pipeline, start the transmission 13 to drive the roller shaft 11 to rotate through the synchronous motor 14, and the roller shaft 11 drives the chain conveyor belt 12 to rotate to transport the pipe. The contact area between the chain conveyor belt 12 and the surface of the PVC pipe is increased, and the friction force is also increased, so that the traction process is not easy to slip.

[0022] The conveying motor 9, the transmission 13, the synchronous motor 14, the forward and reverse motor 16, the second transmission 23, the regulating motor 24, the third transmission 27 and the second synchronous motor 28 of the traction device of the PVC plastic hose production line of the utility model are purchased on the market, and the technicians in the industry only need to install and operate them according to the accompanying instruction manual, without the need for the technicians in this field to make creative labor.

[0023] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A traction device for a PVC plastic hose production line, characterized in that: The utility model comprises a workbench (1), a conveying assembly, an upper traction assembly, a lifting assembly, a limit assembly and an adjustment assembly, wherein the bottom of the workbench (1) is fixedly connected to the top of a box body (2), the top of the workbench (1) is provided with a conveying assembly, the upper traction assembly is provided above the conveying assembly via the lifting assembly, the lifting assembly is provided on the top of the workbench (1), and the limit assemblies are provided at the left and right ends of the top of the workbench (1) via the adjustment assembly.

2. A traction device for a PVC plastic hose production line as claimed in claim 1, characterized in that: The conveying assembly comprises a conveying seat (5), a plurality of rollers (6), a plurality of sprockets (7) and a conveying motor (9). The conveying seat (5) is fixedly mounted in the middle of a workbench (1). The plurality of rollers (6) are rotatably mounted on the conveying seat (5). The rear ends of the rollers (6) pass through the conveying seat (5) and are mounted with sprockets (7). The plurality of sprockets (7) are connected to each other by means of a chain (8). The input end of the front roller (6) is connected to the output end of the conveying motor (9).

3. A traction device for a PVC plastic hose production line as claimed in claim 2, characterized in that: The upper traction assembly comprises a mounting plate (10), a plurality of rollers (11), a chain conveyor belt (12), a transmission (13) and a synchronous motor (14); the mounting plate (10) is located above the roller wheel (6); a plurality of rollers (11) are rotatably mounted on the bottom of the mounting plate (10); a chain conveyor belt (12) is wound around the outer surfaces of the plurality of rollers (11); a rubber strip is provided on the outer surface of the chain conveyor belt (12); an input end of the rollers (11) is connected to an output end of the synchronous motor (14); an input end of the synchronous motor (14) is connected to an output end of the transmission (13); and the transmission (13) and the synchronous motor (14) are mounted at the front end of the mounting plate (10).

4. A traction device for a PVC plastic hose production line as claimed in claim 3, characterized in that: The lifting assembly comprises a plurality of columns (3), a top plate (4), a driving box (15), a forward and reverse motor (16), a driving bevel gear (17), a rotating screw sleeve (18), a threaded rod (19) and two T-shaped sliding rods (20), wherein the plurality of columns (3) are fixedly mounted at the top four corners of the workbench (1), a top plate (4) is fixedly mounted on the top of the columns (3), the driving box (15) is mounted in the middle of the top plate (4), the forward and reverse motor (16) is mounted inside the driving box (15), and the rotating screw sleeve (18) is used to rotate the top plate. (4), a bevel gear is arranged on the upper part of the rotating screw sleeve (18), a threaded rod (19) is threadedly mounted on the middle part of the rotating screw sleeve (18), the bottom of the threaded rod (19) is rotatably connected to the top of the mounting plate (10), a driving bevel gear (17) is installed on the output end of the forward and reverse motor (16), the driving bevel gear (17) is meshed with the upper part of the rotating screw sleeve (18), two T-shaped slide bars (20) are symmetrically slidably mounted on the left and right sides of the top plate (4), and the bottom of the T-shaped slide bar (20) is fixedly connected to the top of the mounting plate (10).

5. The traction device for a PVC plastic hose production line according to claim 1, characterized in that: The limiting assembly comprises two groups of end seats (25), two groups of side rollers (26), two groups of third transmissions (27) and two groups of second synchronous motors (28). The two groups of end seats (25) are symmetrically mounted on the left and right ends of the top of the workbench (1) in a front-to-back manner. The side rollers (26) are rotatably mounted on the end seats (25). The input ends of the side rollers (26) are connected to the output ends of the third transmissions (27). The input ends of the third transmissions (27) are connected to the output ends of the second synchronous motors (28). The third transmissions (27) and the second synchronous motors (28) are located on the tops of the end seats (25).

6. A traction device for a PVC plastic hose production line as claimed in claim 5, characterized in that: The adjustment assembly comprises two rotating rods (21), two groups of adjustment sliders (22), two second transmissions (23) and two adjustment motors (24). The left and right ends of the top of the workbench (1) are provided with adjustment slots. The two rotating rods (21) are rotatably mounted in the adjustment slots. The front and rear ends of the rotating rods (21) are symmetrically provided with threaded slots. The outer wall of the rotating rods (21) is symmetrically screwed with adjustment sliders (22) in the front and rear directions. The adjustment sliders (22) are slidably mounted in the adjustment slots. The top of the adjustment sliders (22) is connected to the bottom of the end seat (25). The front end of the rotating rod (21) passes through the adjustment slot and is connected to the output end of the second transmission (23). The input end of the second transmission (23) is connected to the output end of the adjustment motor (24).

7. A traction device for a PVC plastic hose production line as claimed in claim 2, characterized in that: A rubber anti-slip layer is provided on the outer wall of the roller (6).

8. A traction device for a PVC plastic hose production line as claimed in claim 5, characterized in that: A rubber anti-slip layer is provided on the outer wall of the side roller (26).

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