A cable protection tube extrusion device

Abstract

The utility model relates to cable protection pipe production technical field discloses a kind of cable protection pipe extrusion device, including extrusion shell, and the upper part of the inside of extrusion shell is horizontally provided with extrusion groove, and one end of the extrusion groove is provided with extrusion port, and the inside of the extrusion groove is connected with driving rod by bearing horizontal rotation, and the outside of the driving rod is welded with spiral conveying blade.The utility model can drive magnet steel rotation by driving rod, and the number of rotations of driving rod can be detected by hall sensor, so as to detect the extrusion length of protection pipe, the combination of air pump outlet tube, gas guide groove and driving pipe can inflate piston groove, and piston can push shear strip out of piston groove, the combination of large pulley, transmission belt and small pulley can drive driving pipe rotation, further drive shear strip rotation, so as to cut off operation to the protection pipe after extrusion, and the degree of automation is high.

Description

Technical Field

[0001] This utility model relates to the field of cable protection pipe production technology, specifically to a cable protection pipe extrusion device. Background Technology

[0002] Cable protection pipes, also known as cable conduits, power cable conduits, cement cable conduits, power ducts, and power cable protection pipes, are mainly installed at intersections where communication cables and power lines cross to prevent short circuits caused by power line breaks. The production process of cable protection pipes requires the use of extrusion equipment.

[0003] According to the authorization announcement number CN211683382U, a cable protection pipe extrusion device is disclosed, including a cylinder, an extrusion mechanism is provided inside the cylinder, and the extrusion mechanism extends out of one side of the cylinder; the extrusion mechanism includes a first motor, which is fixedly installed inside the cylinder, a conveying pipe is fixedly provided inside the cylinder, the conveying pipe extends out of one side of the cylinder, a first screw rod and a second screw rod are provided inside the conveying pipe, one end of the first screw rod extends out of one side of the conveying pipe, the first motor is fixedly connected to the first screw rod through an output shaft, and the other end of the first screw rod is fixedly connected to the second screw rod.

[0004] In the process of developing this utility model, the inventors discovered that at least the following problems remain unsolved in the prior art. The aforementioned case, through the design of the first and second helical rods, avoids the phenomenon of material breakage inside the conveying pipe due to the slow speed of material falling. However, during use, workers need to manually check the extrusion length of the protective tube and then manually cut it. During the checking process, workers cannot cut the tube immediately, affecting the processing accuracy of the protective tube. Furthermore, the operation is cumbersome and labor-intensive.

[0005] Therefore, we propose a cable protection pipe extrusion device that can automatically detect the length of the protection pipe and cut it. Utility Model Content

[0006] The purpose of this invention is to provide a cable protection pipe extrusion device that solves the problems mentioned in the background art.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a cable protection pipe extrusion device, comprising an extrusion shell, an extrusion groove horizontally formed at the top of the extrusion shell, an extrusion port formed at one end of the extrusion groove, a drive rod horizontally rotatably connected to the inside of the extrusion groove via a bearing, a spiral conveying blade welded to the outside of the drive rod, a drive motor fixedly connected to the end of the extrusion shell away from the extrusion port, the shaft end of the drive motor fixedly connected to one end of the drive rod, and further comprising a detection mechanism for detecting the extrusion length of the protection pipe, and a cutting mechanism for the protection pipe after extrusion.

[0008] As an optional solution to the technical solution of this application, the detection mechanism includes a Hall sensor and a magnet. An installation groove is provided on the side of the extrusion shell away from the extrusion port. The Hall sensor is fixedly connected to the inner wall of the top of the installation groove. The magnet is equidistantly installed on the outside of the drive rod. The Hall sensor corresponds to the magnet. An industrial control computer is fixedly connected to the lower side of the extrusion shell on the side where the drive motor is installed.

[0009] As an optional solution to the technical solution of this application, the cutting mechanism includes a large pulley, a small pulley, a control bar, and a shearing bar. The drive rod horizontally passes through the middle of the large pulley and is fixedly connected to the large pulley. The drive tube is horizontally passed through the middle of the small pulley and fixedly installed. The large pulley is connected to the small pulley via a transmission belt. The drive tube is rotatably connected to the inner wall of the mounting groove through a bearing. The end of the drive tube near the extrusion port is fixedly connected to the lower end of the control bar.

[0010] As an optional embodiment of the technical solution of this application, a piston groove is vertically formed inside the control strip, and a piston is slidably connected inside the piston groove. The bottom end of the shearing strip penetrates the inner wall of the top of the piston groove and is fixedly connected to the upper surface of the piston. The air outlet end of the drive tube is connected to the bottom end inside the piston groove. An air guide groove is formed on the side of the mounting groove near the drive motor. An air pump outlet pipe is fixedly connected to the side of the extruded shell where the drive motor is installed. The air outlet end of the air pump outlet pipe is connected to the air guide groove. The end of the drive tube away from the control strip is connected to the air guide groove, and the air guide groove is connected to the piston groove through the drive tube.

[0011] As an optional solution to the technical solution of this application, an exhaust pipe is installed through the bottom inner wall of the piston groove, and a solenoid valve is installed inside the exhaust pipe.

[0012] As an optional solution to the technical solution of this application, a spring is provided above the piston, and the spring is sleeved on the outside of the shear bar.

[0013] Compared with the prior art, the beneficial effects of this utility model are as follows: By controlling the servo motor to work, the extrusion operation of the protective tube can be carried out through the drive rod, spiral conveyor blades and extrusion port. At the same time, the drive rod can drive the magnet to rotate, and the Hall sensor can detect the number of rotations of the drive rod, thereby detecting the extrusion length of the protective tube. Through the combination of the air pump outlet pipe, air guide groove and drive tube, air can be injected into the piston groove. The piston can push the shearing strip out of the piston groove. Through the combination of the large pulley, transmission belt and small pulley, the drive tube can be driven to rotate, which in turn drives the shearing strip to rotate, thereby cutting the extruded protective tube. The degree of automation is high. Attached Figure Description

[0014] Other features, objects, and advantages of this invention will become more apparent from the following detailed description of non-limiting embodiments with reference to the accompanying drawings:

[0015] Figure 1 This is a schematic diagram of the cutting mechanism of a cable protection pipe extrusion device according to the present invention;

[0016] Figure 2 This is a cross-sectional view of a cable protection pipe extrusion device according to the present invention;

[0017] Figure 3 This is a schematic diagram of part A of the extrusion device for cable protection pipes according to this utility model.

[0018] In the diagram: 1. Extruded housing; 11. Extrusion trough; 12. Extrusion port; 13. Drive rod; 14. Screw conveyor blade; 15. Drive motor; 2. Mounting slot; 21. Magnet; 22. Hall sensor; 23. Large pulley; 24. Drive tube; 25. Small pulley; 26. Transmission belt; 27. Control bar; 28. Industrial control computer; 3. Piston groove; 31. Piston; 32. Shear bar; 33. Spring; 34. Exhaust pipe; 35. Solenoid valve; 36. Air guide groove; 37. Air pump outlet pipe. Detailed Implementation

[0019] Please see Figures 1-3This utility model provides a technical solution: a cable protection pipe extrusion device, including an extrusion shell 1, an extrusion groove 11 horizontally opened at the top inside the extrusion shell 1, an extrusion port 12 opened at one end of the extrusion groove 11, a drive rod 13 horizontally rotatably connected inside the extrusion groove 11 via a bearing, a spiral conveying blade 14 welded to the outside of the drive rod 13, a drive motor 15 fixedly connected to the end of the extrusion shell 1 away from the extrusion port 12, the shaft end of the drive motor 15 fixedly connected to one end of the drive rod 13, and also includes a detection mechanism for detecting the extrusion length of the protection pipe, and a cutting mechanism for the protection pipe after extrusion. The detection mechanism includes a Hall sensor 22 and a magnet 21. An installation groove 2 is opened on the side of the extrusion shell 1 away from the extrusion port 12. The Hall sensor 22 is fixedly connected to the inner wall of the top of the installation groove 2. The magnet 21 is equidistantly installed on the outside of the drive rod 13, with the Hall sensor 22 corresponding to the magnet 21. An industrial control computer 28 is fixedly connected to the lower part of the side of the extrusion shell 1 where the drive motor 15 is installed.

[0020] In this technical solution, molten raw materials can be introduced into the extrusion tank 11 through the feed pipe connected to the top of the extrusion tank 11. The drive motor 15 is controlled to work, which can drive the drive rod 13 and the spiral conveyor blade 14 to rotate in the extrusion tank 11. The extrusion of the protective tube can be carried out through the extrusion port 12 at one end of the extrusion tank 11. At the same time, the drive rod 13 can drive the magnet 21 to rotate in the mounting groove 2. When the magnet 21 rotates to the upper end and aligns with the Hall sensor 22, the Hall sensor 22 can transmit the data to the industrial control computer 28, thereby detecting the number of rotations of the drive rod 13 and further detecting the extrusion length of the protective tube.

[0021] In this embodiment, the cutting mechanism includes a large pulley 23, a small pulley 25, a control bar 27, and a shearing bar 32. A drive rod 13 horizontally passes through the middle of the large pulley 23 and is fixedly connected to it. A drive tube 24 horizontally passes through the middle of the small pulley 25 and is fixedly installed thereon. The large pulley 23 is connected to the small pulley 25 via a transmission belt 26. The drive tube 24 is rotatably connected to the inner wall of the mounting groove 2 via a bearing. One end of the drive tube 24 near the extrusion port 12 is fixedly connected to the lower end of the control bar 27. A piston groove 3 is vertically formed inside the control bar 27. A piston 31 is slidably connected inside the piston groove 3. The bottom end of the shearing strip 32 passes through the inner wall of the top of the piston groove 3 and is fixedly connected to the upper surface of the piston 31. The air outlet end of the drive pipe 24 is connected to the bottom end inside the piston groove 3. An air guide groove 36 is provided on the side of the mounting groove 2 near the drive motor 15. An air pump outlet pipe 37 is fixedly connected to the side of the extruded housing 1 where the drive motor 15 is installed. The air outlet end of the air pump outlet pipe 37 is connected to the air guide groove 36. The end of the drive pipe 24 away from the control strip 27 is connected to the air guide groove 36, and the air guide groove 36 is connected to the piston groove 3 through the drive pipe 24.

[0022] In this technical solution, the drive rod 13 drives the spiral conveyor blade 14 to rotate, which in turn drives the large pulley 23 to rotate. Since the large pulley 23 is connected to the small pulley 25 via the transmission belt 26, the rotation of the large pulley 23 can drive the drive pipe 24, which is fixedly connected to the small pulley 25, to rotate, thereby driving the control strip 27 below the extrusion port 12 to rotate. When it is necessary to cut the extruded protective tube, the corresponding air pump is controlled to work. Air can be injected into the air groove 36 through the air pump outlet pipe 37, and the air can be introduced into the piston groove 3 inside the control strip 27 through the drive pipe 24. As the air pressure in the piston groove 3 increases, it can push the piston 31 to move upward in the piston groove 3, thereby pushing the shearing strip 32 out of the piston groove 3, and further cutting the extruded protective tube. The degree of automation is high.

[0023] In this embodiment, an exhaust pipe 34 is installed through the bottom inner wall of the piston groove 3, and a solenoid valve 35 is installed inside the exhaust pipe 34. A spring 33 is installed above the piston 31 and is sleeved on the outside of the shear bar 32.

[0024] In this technical solution, after the extruded protective tube is cut off, the control solenoid valve 35 is opened, and the compressed air in the piston groove 3 can be discharged through the exhaust pipe 34. A spring 33 is set above the piston 31. The elastic force of the spring 33 can push the piston 31 to move downward, thereby pulling the shearing strip 32 into the piston groove 3, so as to avoid the shearing strip 32 interfering with the normal extrusion operation of the protective tube. It should be noted that an electric slip ring (not shown in the figure) is set on the outside of the drive rod 13 for powering the solenoid valve 35.

[0025] When using a cable protection pipe extrusion device, molten raw materials are introduced into the extrusion tank 11 through the feed pipe connected to the top of the extrusion tank 11. The drive motor 15 is controlled to operate, driving the drive rod 13 and the spiral conveyor blades 14 to rotate within the extrusion tank 11. The protective pipe is extruded through the extrusion port 12 at one end of the extrusion tank 11. Simultaneously, the drive rod 13 drives the magnet 21 to rotate within the mounting slot 2. When the magnet 21 rotates to its upper end aligned with the Hall sensor 22, the Hall sensor 22 transmits data to the industrial control computer 28, thereby detecting the number of rotations of the drive rod 13 and further detecting the extrusion length of the protective pipe. While the drive rod 13 drives the spiral conveyor blades 14 to rotate, it also drives the large pulley 23 to rotate. Since the large pulley 23 is connected to the small pulley 25 via the transmission belt 26, during the rotation of the large pulley 23… The drive tube 24, which is fixedly connected to the small pulley 25, can rotate, thereby rotating the control strip 27 below the extrusion port 12. When it is necessary to cut the extruded protective tube, the corresponding air pump is controlled to work. Air can be introduced into the air groove 36 through the air pump outlet pipe 37, and the air can be introduced into the piston groove 3 inside the control strip 27 through the drive tube 24. As the air pressure in the piston groove 3 increases, the piston 31 can be pushed to move upward in the piston groove 3, thereby pushing the shearing strip 32 out of the piston groove 3, and further cutting the extruded protective tube. The degree of automation is high. After the extruded protective tube is cut, the control solenoid valve 35 is opened, and the compressed air in the piston groove 3 can be discharged through the exhaust pipe 34. A spring 33 is set above the piston 31. The elastic force of the spring 33 can automatically push the piston 31 to move downward, thereby pulling the shearing strip 32 into the piston groove 3.

Claims

1. A cable protection pipe extrusion device, comprising an extrusion shell (1), characterized in that, The extrusion shell (1) has an extrusion groove (11) horizontally opened at the top inside. One end of the extrusion groove (11) has an extrusion port (12). The extrusion groove (11) is horizontally rotatably connected to a drive rod (13) through a bearing. The drive rod (13) has a spiral conveying blade (14) welded to its outer side. The end of the extrusion shell (1) away from the extrusion port (12) is fixedly connected to a drive motor (15). The shaft end of the drive motor (15) is fixedly connected to one end of the drive rod (13). The extrusion shell (1) also includes a detection mechanism for detecting the extrusion length of the protective tube and a cutting mechanism for the protective tube after extrusion.

2. The cable protection pipe extrusion device according to claim 1, characterized in that: The detection mechanism includes a Hall sensor (22) and a magnet (21). The extruded housing (1) has an installation groove (2) on the side away from the extrusion port (12). The Hall sensor (22) is fixedly connected to the inner wall of the top of the installation groove (2). The magnet (21) is equidistantly installed on the outside of the drive rod (13). The Hall sensor (22) corresponds to the magnet (21). An industrial control computer (28) is fixedly connected to the lower side of the extruded housing (1) on the side where the drive motor (15) is installed.

3. The cable protection pipe extrusion device according to claim 2, characterized in that: The cutting mechanism includes a large pulley (23), a small pulley (25), a control bar (27), and a shearing bar (32). The drive rod (13) passes horizontally through the middle of the large pulley (23) and is fixedly connected to the large pulley (23). The small pulley (25) has a drive tube (24) that passes horizontally through the middle and is fixedly installed. The large pulley (23) is connected to the small pulley (25) via a transmission belt (26). The drive tube (24) is rotatably connected to the inner wall of the mounting groove (2) via a bearing. The end of the drive tube (24) near the extrusion port (12) is fixedly connected to the lower end of the control bar (27).

4. The cable protection pipe extrusion device according to claim 3, characterized in that: The control strip (27) has a vertically formed piston groove (3) inside, and a piston (31) is slidably connected inside the piston groove (3). The bottom end of the shearing strip (32) passes through the inner wall of the top of the piston groove (3) and is fixedly connected to the upper surface of the piston (31). The air outlet end of the drive pipe (24) is connected to the bottom end inside the piston groove (3). The mounting groove (2) has an air guide groove (36) on the side near the drive motor (15). The extruded shell (1) has an air pump outlet pipe (37) fixedly connected on the side where the drive motor (15) is installed. The air outlet end of the air pump outlet pipe (37) is connected to the air guide groove (36). The end of the drive pipe (24) away from the control strip (27) is connected to the air guide groove (36), and the air guide groove (36) is connected to the piston groove (3) through the drive pipe (24).

5. The cable protection pipe extrusion device according to claim 4, characterized in that: An exhaust pipe (34) is installed through the inner wall of the bottom end of the piston groove (3), and a solenoid valve (35) is installed inside the exhaust pipe (34).

6. The cable protection pipe extrusion device according to claim 5, characterized in that: A spring (33) is provided above the piston (31), and the spring (33) is sleeved on the outside of the shear bar (32).

Images