A kind of biaxially oriented polyvinyl chloride pipe production corner polishing device

Abstract

The utility model relates to the technical field of polyvinyl chloride pipe production, a corner polishing device is used in biaxially oriented polyvinyl chloride pipe production, including work table, the upper surface of work table is fixedly connected with two first support plate, the upper surface of first support plate is opened with arc slot, the upper surface of first support plate is fixedly connected with U -shaped support, the left side surface of U -shaped support is rotatably connected with connecting frame, the connecting frame is fixedly connected with flexible pipe, the inside of flexible pipe is slidably equipped with displacement rod, the end of displacement rod is slidably penetrated and comes out the outside of flexible pipe, utilize the cooperation of flexible pipe, displacement rod, spring and press plate, push pipe material to move to make pipe material always adhere to polishing device, and the whole process does not need electronic device to participate and also can be relatively convenient to improve existing device simultaneously simple operation.

Description

Technical Field

[0001] This utility model relates to the field of polyvinyl chloride (PVC) pipe production technology, specifically to an edge grinding device for biaxially oriented PVC pipe production. Background Technology

[0002] Biaxially oriented polyvinyl chloride (PVC-O) pipes are a new type of pipe made by biaxially stretching and orienting PVC pipes through a special process. After biaxial orientation, the material molecular chains are arranged in an orderly manner along the radial and axial directions, which significantly improves the impact resistance, water pressure resistance and flexibility of the pipes. At the same time, they are lighter and require less material. Compared with traditional PVC pipes, they have higher strength and longer service life. They are suitable for high-pressure water transmission, municipal engineering and other scenarios with high requirements for pipe performance. They combine economy and reliability and represent an important direction for the upgrading of PVC pipes.

[0003] In existing technologies, burrs may be present on the edges and corners of biaxially oriented PVC pipes after production. Therefore, a grinding device is needed to treat the pipe ends to improve product quality and prevent hand injuries. During grinding, the pipe is typically fixed to prevent displacement, and the grinding head is moved during the grinding process. However, the grinding head itself rotates and has many connected components, making movement more costly and difficult to directly modify existing machines, thus presenting certain shortcomings. Therefore, we propose an edge grinding device for biaxially oriented PVC pipe production. Utility Model Content

[0004] The purpose of this invention is to provide an edge grinding device for the production of biaxially oriented polyvinyl chloride pipes, so as to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a grinding device for the edges and corners of biaxially oriented polyvinyl chloride (PVC) pipes, comprising a worktable, two first support plates fixedly connected to the upper surface of the worktable, an arc-shaped groove formed on the upper surface of the first support plates, a U-shaped frame fixedly connected to the upper surface of the first support plates, a connecting frame rotatably connected to the left side surface of the U-shaped frame, a telescopic tube fixedly connected to the connecting frame, a displacement rod slidably fitted inside the telescopic tube, the end of the displacement rod slidably penetrating through the outside of the telescopic tube, a spring fixedly connected between the displacement rod and the inner wall of the telescopic tube, a pressing plate rotatably connected to the end of the displacement rod outside the telescopic tube, the pressing plate being arc-shaped, movable balls movably connected to the side surface of the pressing plate adjacent to the U-shaped frame, a telescopic tube also fixedly connected to the movable ball connected to the U-shaped frame, a displacement rod also fixedly connected to the movable ball connected to the pressing plate, the lower displacement rod also slidably penetrating into the interior of the lower telescopic tube, a spring also being provided inside the lower telescopic tube, and a connecting assembly provided on the first support plate.

[0006] Preferably, the connecting assembly includes connecting ears, which are fixedly connected to the front and rear surfaces of the first support plate. The front and rear surfaces of the U-shaped frame are also fixedly connected with connecting ears, and fixing bolts are provided on the connecting ears.

[0007] Preferably, two adjacent connecting ears are fixedly connected by fixing bolts, two vertical plates are fixedly connected to the bottom wall of the arc-shaped groove, a roller is rotatably connected between the two vertical plates, and two second support plates are fixedly connected to the upper surface of the worktable.

[0008] Preferably, the upper surface of the second support plate is also provided with an arc-shaped groove, and the interior of the arc-shaped groove is also provided with a vertical plate and a roller. The upper surface of the worktable is fixedly connected with a mounting plate, and the upper surface of the worktable is fixedly connected with a grinding box.

[0009] Preferably, grinding heads are rotatably connected to both the left and right surfaces of the grinding box, and rotating shafts are fixedly connected to the adjacent surfaces of the two grinding heads.

[0010] Preferably, the two rotating shafts are rotatably inserted into the interior of the grinding box at their proximal ends, and a first bevel gear is fixedly connected to the proximal ends of the two rotating shafts. A motor is fixedly connected to the bottom wall of the grinding box.

[0011] Preferably, a second bevel gear is fixedly connected to the output end of the motor, the second bevel gear meshes with two first bevel gears, an air outlet pipe is fixedly connected to both the left and right surfaces of the grinding box, the air outlet pipe is inclined, and a transmission ring is fixedly connected to both the left and right inner walls of the grinding box.

[0012] Preferably, the interior of the transmission ring is hollow and communicates with the interior of the air outlet pipe. A fan is fixedly connected to the front surface of the mounting plate, and a transmission pipe is connected to the fan. The transmission pipe communicates with the interior of the two transmission rings respectively.

[0013] Compared with the prior art, the beneficial effects of this utility model are as follows: This invention utilizes the cooperation of a telescopic tube, a displacement rod, a spring, and a pressure plate to move the tube, thereby ensuring that the tube remains in close contact with the grinding device. The entire process requires no electronic components and is simple to operate, while also allowing for easy improvement of existing devices.

[0014] This invention uses a fan to transport outside air through a transmission pipe to the inside of a transmission ring, and finally sprays it out through an air outlet pipe. Since the air outlet pipe is set at an angle, it will blow precisely onto the polished part of the pipe, cool the polished part, and prevent the pipe from softening due to high friction temperature. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the edge grinding device for the production of biaxially oriented polyvinyl chloride pipes according to this utility model; Figure 2 This is a schematic diagram of the spring of this utility model; Figure 3 This is a schematic diagram of the internal structure of the grinding box of this utility model; Figure 4 This utility model Figure 1 Enlarged view of point A in the middle; Figure 5 This utility model Figure 1 Enlarged view of section B in the middle.

[0016] In the diagram: 1. Workbench; 2. First support plate; 3. Arc groove; 4. U-shaped frame; 5. Connecting frame; 6. Telescopic tube; 7. Displacement rod; 8. Spring; 9. Pressing plate; 10. Movable ball; 11. Connecting ear; 12. Fixing bolt; 13. Vertical plate; 14. Roller; 15. Second support plate; 16. Mounting plate; 17. Grinding box; 18. Grinding head; 19. Rotating shaft; 20. First bevel gear; 21. Motor; 22. Second bevel gear; 23. Air outlet pipe; 24. Transmission ring; 25. Fan; 26. Transmission pipe. Detailed Implementation

[0017] To further illustrate the technical means and effects adopted by this utility model in order to achieve the intended utility model purpose, the following detailed description of the specific implementation methods, structure, features and effects of this utility model is provided in conjunction with the accompanying drawings and preferred embodiments.

[0018] Please see Figures 1-5 As shown, an edge grinding device for biaxially oriented polyvinyl chloride (PVC) pipe production includes a worktable 1. Two first support plates 2 are fixedly connected to the upper surface of the worktable 1. An arc-shaped groove 3 is formed on the upper surface of each first support plate 2. A U-shaped frame 4 is fixedly connected to the upper surface of the first support plate 2. A connecting frame 5 is rotatably connected to the left side surface of the U-shaped frame 4. A telescopic tube 6 is fixedly connected to the connecting frame 5. A displacement rod 7 is slidably fitted inside the telescopic tube 6. The end of the displacement rod 7 slides through the outside of the telescopic tube 6. A spring 8 is fixedly connected between the displacement rod 7 and the inner wall of the telescopic tube 6. A pressing plate 9, which is arc-shaped, is rotatably connected to the end of the displacement rod 7 located outside the telescopic tube 6. On the side surface of the pressing plate 9 and the U-shaped frame 4, there are movable balls 10 connected to each other. The movable balls 10 connected to the U-shaped frame 4 are also fixedly connected to telescopic tubes 6. The movable balls 10 connected to the pressing plate 9 are also fixedly connected to displacement rods 7. The lower displacement rods 7 also slide through the interior of the lower telescopic tubes 6. The interior of the lower telescopic tubes 6 is also equipped with springs 8. The first support plate 2 is equipped with connecting components. By using the cooperation of telescopic tubes 6, displacement rods 7, springs 8 and pressing plate 9, the tube is pushed to move, so that the tube is always in close contact with the grinding device. The whole process does not require the participation of electronic components and is simple to operate. At the same time, it can also be easily improved from the existing device.

[0019] Furthermore, the connecting components include connecting ears 11, which are fixedly connected to the front and rear surfaces of the first support plate 2. Connecting ears 11 are also fixedly connected to the front and rear surfaces of the U-shaped frame 4. Fixing bolts 12 are provided on the connecting ears 11, and two adjacent connecting ears 11 are fixedly connected by the fixing bolts 12. Two vertical plates 13 are fixedly connected to the bottom wall of the arc-shaped groove 3, and a roller 14 is rotatably connected between the two vertical plates 13. Two second support plates 15 are fixedly connected to the upper surface of the worktable 1. Arc-shaped grooves 3 are also provided on the upper surface of the second support plates 15, and vertical plates 13 and rollers 14 are also provided inside the arc-shaped grooves 3. A mounting plate 16 is fixedly connected to the upper surface of the worktable 1, and a grinding box 17 is fixedly connected to the upper surface of the worktable 1. Grinding heads 18 are rotatably connected to both the left and right surfaces of the grinding box 17. Rotating shafts 19 are fixedly connected to the adjacent surfaces of the two grinding heads 18, and the adjacent ends of the two rotating shafts 19 rotatably penetrate into the interior of the grinding box 17. Each rotating shaft 19 has a first bevel gear 20 fixedly connected to one end near the other. A motor 21 is fixedly connected to the bottom wall of the grinding box 17. A second bevel gear 22 is fixedly connected to the output end of the motor 21. The second bevel gear 22 meshes with the two first bevel gears 20. Air outlet pipes 23 are fixedly connected to the left and right surfaces of the grinding box 17. The air outlet pipes 23 are inclined. Transmission rings 24 are fixedly connected to the inner walls of the left and right sides of the grinding box 17. The interior of the transmission rings 24 is hollow. The conveying ring 24 is connected to the interior of the air outlet pipe 23. A fan 25 is fixedly connected to the front surface of the mounting plate 16. A transmission pipe 26 is connected to the fan 25. The transmission pipe 26 is connected to the interior of the two transmission rings 24 respectively. The fan 25 can transport the outside air to the interior of the transmission ring 24 through the transmission pipe 26 and finally spray it out through the air outlet pipe 23. Since the air outlet pipe 23 is set at an angle, it will blow precisely on the polished part of the pipe to cool down the polished part and prevent the pipe from softening due to high friction temperature.

[0020] A rubber pad can be installed on the side of the pressing plate 9 that is in contact with the pipe to increase friction.

[0021] Working Principle: When grinding biaxially oriented PVC pipes, the pipe is placed on the first support plate 2 and the second support plate 15, and supported by the roller 14. The pipe is then pushed until its end contacts the grinding head 18. At this time, the pressing plate 9 is pulled upwards and controlled to move towards the U-shaped frame 4. Then, the pressing plate 9 is lowered again to ensure it is in close contact with the surface of the pipe. The spring 8 is compressed when the pressing plate 9 is pulled upwards and moves towards the U-shaped frame 4. When the pressing plate 9 contacts the pipe, the weight of the pipe itself prevents the other end from lifting. Furthermore, because the upper telescopic tube 6 and displacement rod 7 are inclined, while the lower displacement rod 7 and telescopic tube 6 are nearly horizontal, when the spring 8 releases its force, the pressing plate 9 pushes the pipe towards the grinding head 18, thus ensuring the pipe remains in close contact with the grinding head 18. The entire process requires no electronic components and is simple to operate. It also allows for easy modification of existing devices. Installation can be completed simply by welding connecting ears 11 onto the existing first support plate 2 and using fixing bolts 12. When driving the grinding head 18, the motor 21 drives the second bevel gear 22 to rotate. When the second bevel gear 22 rotates, it works with the two first bevel gears 20 to drive the two rotating shafts 19 to rotate. When the two rotating shafts 19 rotate, they simultaneously drive the two grinding heads 18 to rotate, thus achieving simultaneous grinding on both sides. During the grinding process, the fan 25 can use the transmission pipe 26 to deliver outside air into the transmission ring 24 and finally spray it out through the air outlet pipe 23. Since the air outlet pipe 23 is inclined, it will accurately blow air onto the grinding area of ​​the pipe to cool it down and prevent the pipe from softening due to high frictional heat.

[0022] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any way. Although the present utility model has been disclosed above with reference to a preferred embodiment, it is not intended to limit the present utility model. Any person skilled in the art can make some modifications or alterations to the above-disclosed technical content to create equivalent embodiments without departing from the scope of the present utility model. Any indirect modifications, equivalent changes, and alterations made to the above embodiments based on the technical essence of the present utility model without departing from the scope of the present utility model shall still fall within the scope of the present utility model.

Claims

1. A grinding device for edge and corner polishing in the production of biaxially oriented polyvinyl chloride pipes, comprising a worktable (1), characterized in that, Two first support plates (2) are fixedly connected to the upper surface of the workbench (1). An arc groove (3) is provided on the upper surface of the first support plate (2). A U-shaped frame (4) is fixedly connected to the upper surface of the first support plate (2). A connecting frame (5) is rotatably connected to the left side surface of the U-shaped frame (4). A telescopic tube (6) is fixedly connected to the connecting frame (5). A displacement rod (7) is slidably fitted inside the telescopic tube (6). The end of the displacement rod (7) slides through the outside of the telescopic tube (6). A spring (8) is fixedly connected between the displacement rod (7) and the inner wall of the telescopic tube (6). The displacement rod (7) is positioned... A pressing plate (9) is rotatably connected to the end of the telescopic tube (6). The pressing plate (9) is arc-shaped. Movable balls (10) are movably connected to the side surface of the pressing plate (9) that is close to the U-shaped frame (4). The telescopic tube (6) is also fixedly connected to the movable ball (10) connected to the U-shaped frame (4). The displacement rod (7) is also fixedly connected to the movable ball (10) connected to the pressing plate (9). The displacement rod (7) on the lower side slides through the interior of the lower telescopic tube (6). A spring (8) is also provided inside the lower telescopic tube (6). A connecting component is provided on the first support plate (2).

2. The edge grinding device for biaxially oriented polyvinyl chloride pipe production according to claim 1, characterized in that: The connecting assembly includes connecting ears (11), which are fixedly connected to the front and rear surfaces of the first support plate (2). The front and rear surfaces of the U-shaped frame (4) are also fixedly connected with connecting ears (11), and fixing bolts (12) are provided on the connecting ears (11).

3. The edge grinding device for biaxially oriented polyvinyl chloride pipe production according to claim 2, characterized in that: The two adjacent connecting ears (11) are fixedly connected by fixing bolts (12). The bottom wall of the arc groove (3) is fixedly connected to two vertical plates (13). A roller (14) is rotatably connected between the two vertical plates (13). The upper surface of the worktable (1) is fixedly connected to two second support plates (15).

4. The edge grinding device for biaxially oriented polyvinyl chloride pipe production according to claim 3, characterized in that: The upper surface of the second support plate (15) is also provided with an arc groove (3), and the interior of the arc groove (3) is also provided with a vertical plate (13) and a roller (14). The upper surface of the worktable (1) is fixedly connected with an installation plate (16), and the upper surface of the worktable (1) is fixedly connected with a grinding box (17).

5. The edge grinding device for biaxially oriented polyvinyl chloride pipe production according to claim 4, characterized in that: Grinding heads (18) are rotatably connected to both sides of the grinding box (17), and rotating shafts (19) are fixedly connected to the adjacent side surfaces of the two grinding heads (18).

6. The edge grinding device for biaxially oriented polyvinyl chloride pipe production according to claim 5, characterized in that: The two rotating shafts (19) are rotated through the interior of the grinding box (17) at their close ends. The two rotating shafts (19) are fixedly connected to the first bevel gear (20) at their close ends. The bottom wall of the grinding box (17) is fixedly connected to the motor (21).

7. The edge grinding device for biaxially oriented polyvinyl chloride pipe production according to claim 6, characterized in that: The output end of the motor (21) is fixedly connected to a second bevel gear (22), which meshes with two first bevel gears (20). The left and right surfaces of the grinding box (17) are fixedly connected to air outlet pipes (23), which are inclined. The left and right inner walls of the grinding box (17) are fixedly connected to transmission rings (24).

8. The edge grinding device for biaxially oriented polyvinyl chloride pipe production according to claim 7, characterized in that: The interior of the transmission ring (24) is hollow. The transmission ring (24) is connected to the interior of the air outlet pipe (23). A fan (25) is fixedly connected to the front surface of the mounting plate (16). A transmission pipe (26) is connected to the fan (25). The transmission pipe (26) is connected to the interior of the two transmission rings (24) respectively.

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