Extrusion device of novel PVC plastic hose production line

Abstract

The utility model relates to the technical field of plastic hose extrusion, in particular to a novel extrusion device for a PVC (polyvinyl chloride) plastic hose production line, which cools the tail end of a hose in the extrusion process through a cooling device, so that the outer layer of the hose is cooled to have certain strength before the hose is extruded to the outside, local deformation caused by the weight of an extrusion opening is reduced, and the production efficiency is improved. An extruded hose is continuously cooled through the auxiliary device, the extruded hose is supported through the conveying device, conveying of the hose is assisted, the conveying device is cleaned through the cleaning device, the action angle of the conveying device is adjusted through the adjusting device, and the adaptability and practicability of the device are improved; comprising a cooling device, a conveying device, an auxiliary device, a cleaning device and an adjusting device, the conveying device is connected with the cooling device, the auxiliary device is installed on the conveying device, the cleaning device is installed on the conveying device, and the adjusting device is installed on the conveying device and connected with the cooling device.

Description

Technical Field

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

[0002] PVC plastic hose, also known as PVC hose or PVC plastic hose, is a hose made of PVC resin as the main raw material, with the addition of plasticizers, stabilizers and other additives, and made through a specific production process; the extruder is an important equipment commonly used in the plastic processing industry. It is mainly used to heat and melt the plastic raw materials, and then use the pushing action of the screw or plunger to extrude the molten plastic through a specific shape of mold to form plastic products of various shapes.

[0003] The Chinese utility model patent with application number CN201922079527.9 in the prior art involves an extrusion structure for PVC hose production, including a mounting plate, an extrusion head, a fixing ring, a handle screw, a discharge pipe, a fixing block, a support roller, an air inlet pipe, an air guide pipe and a pad, etc., which can make the cooling process more precise.

[0004] However, in actual use, the above device cools down the extruded hose by air cooling, and the high-temperature hose after extrusion will fall downward after leaving the port, causing the hose body to naturally form a certain curvature. The cooling speed by air cooling alone is slow, which affects the product quality of the hose. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a method of cooling the end of the hose extrusion process through a cooling device, so that the outer layer of the hose has a certain cooling strength before being extruded to the outside, reducing the local deformation caused by the weight of the extrusion port itself, providing continuous cooling for the hose after extrusion through an auxiliary device, providing support for the extruded hose through a conveying device to assist in the conveying of the hose, cleaning the conveying device through a cleaning device, and adjusting the action angle of the conveying device through an adjusting device, thereby improving the adaptability and practicality of the device and providing a new extrusion device for a PVC plastic hose production line.

[0006] The utility model discloses an extrusion device of a novel PVC plastic hose production line; the extrusion device comprises a cooling device, a conveying device, an auxiliary device, a cleaning device and an adjusting device; the conveying device is connected with the cooling device, the auxiliary device is installed on the conveying device, the cleaning device is installed on the conveying device, and the adjusting device is installed on the conveying device and connected with the cooling device; the cooling device is used to cool the end of the hose extrusion process, so that the outer cooling of the hose has a certain strength before being extruded to the outside, and the local deformation caused by the weight of the extrusion port itself is reduced; the auxiliary device is used to provide continuous cooling for the hose after extrusion; the conveying device is used to provide support for the extruded hose and assist in conveying the hose; the cleaning device is used to clean the conveying device; the adjusting device is used to adjust the action angle of the conveying device, thereby improving the adaptability and practicality of the device.

[0007] Preferably, the cooling device includes an extrusion tube, an extrusion head, a quick connector and a cooling pipe, the output end of the extrusion tube is connected to the extrusion head, the inner wall of the extrusion head is provided with a cooling pipe, and the input end and the output end of the cooling pipe are respectively installed with a group of quick connectors; the quick connector is connected to an external cold water pipeline, and cold water is circulated into the cooling pipe to reduce the temperature of the inner surface of the extrusion head, thereby pre-cooling the hose, increasing the strength of the outer layer of the hose before the extrusion port, preventing the hose from having a curvature and surface indentations caused by insufficient surface hardness after high-temperature extrusion, thereby improving the practicability of the device.

[0008] Preferably, the conveying device includes a C-shaped frame, a conveying frame, a driving motor, a conveying roller and a wire mesh conveyor belt. The C-shaped frame is installed at the front of the lower end face of the extruder head. The lower left and right parts of the C-shaped frame are connected to the left and right end faces of the rear part of the conveying frame through a group of rotating shafts respectively. The front and rear parts of the conveying frame are respectively installed with a group of conveying rollers. The driving motor is installed at the front of the right end face of the conveying frame. The output end of the driving motor is connected to the front conveying roller, and the wire mesh conveyor belt is sleeved on the two groups of conveying rollers. The driving motor is turned on to transmit power to the connected conveying roller, driving the conveying roller to rotate, and then driving the wire mesh conveyor belt to move. The extruded hose is received and assisted in conveying by the wire mesh conveyor belt to prevent the hose from drooping too much after extrusion, causing the hose to stretch and deform, thereby improving the practicability and stability of the device.

[0009] Preferably, the auxiliary device includes a carrying plate, a nozzle, a sealing box, a fan and a dust bag. The carrying plate is horizontally installed in the middle of the conveyor frame, the carrying plate is located between the upper and lower layers of the wire mesh conveyor belt, multiple groups of nozzles are installed on the upper end surface of the carrying plate, a sealing box is installed in the middle of the right end surface of the conveyor frame, and a fan is installed on the front end surface of the sealing box. The output end of the fan is connected to the inside of the sealing box, and the inside of the sealing box is connected to the multiple groups of nozzles on the carrying plate through pipes. A dust bag is installed in the front part of the sealing box, and the dust bag is mounted on the output end of the fan; the fan is turned on to send outside air into the inside of the sealing box, and the air is filtered by the dust bag to reduce impurities in the gas. Then the gas is ejected through the multiple groups of nozzles, and the gas passes through the wire mesh conveyor belt to assist in cooling the surface of the hose on the wire mesh conveyor belt, thereby improving the practicability of the device.

[0010] Preferably, the cleaning device includes a reducer, a motor and a cleaning roller. The reducer is installed at the lower part of the right end surface of the conveyor frame, and the motor is installed on the reducer. The cleaning roller is installed in the middle part of the lower end surface of the conveyor frame. The output end of the reducer is connected to the cleaning roller, and the upper part of the cleaning roller contacts the lower end surface of the wire mesh conveyor belt. The motor is turned on at a regular time to transmit power to the cleaning roller through the reducer, driving the cleaning roller to rotate, thereby cleaning impurities and dust adhered to the surface of the wire mesh conveyor belt, reducing the impact of debris on the wire mesh conveyor belt on the hose conveying process, and improving the practicability of the device.

[0011] Preferably, the adjusting device includes an adjusting frame, an arc sleeve, an arc limit rod and a fastening bolt. The adjusting frame is installed on the rear end surface of the conveying frame, the arc sleeve is installed on the rear part of the adjusting frame, the fastening bolt is installed on the rear end surface of the arc sleeve, and the arc limit rod is installed on the rear part of the lower end surface of the extrusion head, and the arc limit rod passes through the inside of the arc sleeve; by adjusting the relative positions of the arc sleeve and the arc limit rod, the action angle of the conveying device is adjusted to adapt to different processing environments, thereby improving the adaptability of the device; by rotating the fastening bolt, the position of the arc limit rod in the arc sleeve is fixed, thereby improving the practicality of the device.

[0012] Preferably, it also includes a limit block, and the limit block is installed at the lower part of the arc limit rod; the effective action area of ​​the arc sleeve is limited by the limit block to prevent the arc sleeve from detaching from the arc limit rod during the adjustment process, thereby improving the practicability of the device.

[0013] Compared with the prior art, the utility model has the following beneficial effects: the end of the hose extrusion process is cooled by a cooling device, so that the outer layer of the hose has a certain cooling strength before it is extruded to the outside, reducing the local deformation caused by the weight of the extrusion port itself, providing continuous cooling for the hose after extrusion by an auxiliary device, providing support for the extruded hose by a conveying device to assist in the conveying of the hose, cleaning the conveying device by a cleaning device, and adjusting the action angle of the conveying device by an adjusting device, thereby improving the adaptability and practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a first axonometric structural schematic diagram of the utility model;

[0015] Figure 2 It is a second axonometric structural schematic diagram of the utility model;

[0016] Figure 3 It is a schematic diagram of the first cross-sectional structure of the utility model;

[0017] Figure 4 It is a second cross-sectional structural schematic diagram of the utility model;

[0018] Markings in the attached drawings: 1. extrusion tube; 2. extrusion head; 3. quick connector; 4. cooling pipe; 5. C-shaped frame; 6. conveyor frame; 7. driving motor; 8. conveyor roller; 9. wire mesh conveyor belt; 10. bearing plate; 11. nozzle; 12. sealing box; 13. fan; 14. dust bag; 15. reducer; 16. motor; 17. cleaning roller; 18. adjusting frame; 19. arc sleeve; 20. arc limit rod; 21. fastening bolt; 22. limit block. DETAILED DESCRIPTION

[0019] 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. Example

[0020] like Figure 1 , Figure 2 , Figure 3 and Figure 4 The conveying device is installed on the cooling device, the auxiliary device is installed on the conveying device, the cleaning device is installed on the conveying device, and the regulating device is installed on the cooling device;

[0021] First, adjust the relative positions of the arc sleeve 19 and the arc limit rod 20, adjust the action angle of the conveying device, and fix the position of the arc limit rod 20 in the arc sleeve 19 by rotating the fastening bolt 21. Then, the quick connector 3 is connected to the external cold water pipeline, and the cold water is circulated into the cooling pipe 4 to reduce the temperature of the inner surface of the extruder head 2, thereby pre-cooling the hose. Then, turn on the drive motor 7 to transmit power to the connected conveying roller 8, drive the conveying roller 8 to rotate, and then drive the wire mesh conveyor belt 9 to move, and the extruded hose is received and assisted in conveying by the wire mesh conveyor belt 9. At the same time, turn on the motor 16 to transmit power to the cleaning roller 17 through the reducer 15, drive the cleaning roller 17 to rotate, so as to clean the impurities and dust adhering to the surface of the wire mesh conveyor belt 9;

[0022] The cooling device comprises an extrusion tube 1, an extrusion head 2, a quick connector 3 and a cooling pipe 4. The output end of the extrusion tube 1 is connected to the extrusion head 2, the cooling pipe 4 is arranged in the inner wall of the extrusion head 2, and a set of quick connectors 3 are respectively installed on the input end and the output end of the cooling pipe 4;

[0023] The conveying device includes a C-shaped frame 5, a conveying frame 6, a driving motor 7, a conveying roller 8 and a wire mesh conveyor belt 9. The C-shaped frame 5 is installed at the front of the lower end face of the extruder head 2. The lower left and right parts of the C-shaped frame 5 are connected to the left and right end faces of the rear part of the conveying frame 6 through a group of rotating shafts respectively. A group of conveying rollers 8 are installed at the front and rear parts of the conveying frame 6 respectively. The driving motor 7 is installed at the front of the right end face of the conveying frame 6. The output end of the driving motor 7 is connected to the front conveying roller 8. The wire mesh conveyor belt 9 is sleeved on the two groups of conveying rollers 8.

[0024] The auxiliary device includes a carrying plate 10, a nozzle 11, a sealing box 12, a fan 13 and a dust bag 14. The carrying plate 10 is horizontally installed in the middle of the conveying frame 6, and the carrying plate 10 is located between the upper and lower layers of the wire mesh conveyor belt 9. Multiple groups of nozzles 11 are installed on the upper end surface of the carrying plate 10. A sealing box 12 is installed in the middle of the right end surface of the conveying frame 6. A fan 13 is installed on the front end surface of the sealing box 12. The output end of the fan 13 is connected to the inside of the sealing box 12. The inside of the sealing box 12 is connected to the multiple groups of nozzles 11 on the carrying plate 10 through a pipeline. A dust bag 14 is installed in the front part of the sealing box 12, and the dust bag 14 is sleeved on the output end of the fan 13.

[0025] The cleaning device includes a reducer 15, a motor 16 and a cleaning roller 17. The reducer 15 is installed at the lower part of the right end surface of the conveyor frame 6, and the motor 16 is installed on the reducer 15. The cleaning roller 17 is installed in the middle part of the lower end surface of the conveyor frame 6. The output end of the reducer 15 is connected to the cleaning roller 17, and the upper part of the cleaning roller 17 is in contact with the lower end surface of the wire mesh conveyor belt 9.

[0026] The adjusting device includes an adjusting frame 18, an arc sleeve 19, an arc limiting rod 20 and a fastening bolt 21. The adjusting frame 18 is installed on the rear end surface of the conveyor frame 6, the arc sleeve 19 is installed on the rear part of the adjusting frame 18, the fastening bolt 21 is installed on the rear end surface of the arc sleeve 19, and the arc limiting rod 20 is installed on the rear part of the lower end surface of the extrusion head 2. The arc limiting rod 20 passes through the interior of the arc sleeve 19;

[0027] The cooling device is used to cool the end of the hose extrusion process, so that the outer layer of the hose has a certain cooling strength before it is extruded to the outside, reducing local deformation caused by the weight of the extrusion port itself. The auxiliary device provides continuous cooling for the hose after extrusion, the conveying device provides support for the extruded hose and assists in the conveying of the hose, the cleaning device cleans the conveying device, and the adjusting device adjusts the action angle of the conveying device, thereby improving the adaptability and practicality of the device.

[0028] The fan 13, quick connector 3, reducer 15, motor 16 and drive motor 7 of the extrusion device of the new PVC plastic hose production line of the utility model are purchased on the market. The technicians in this 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.

[0029] 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 new type of extrusion device for PVC plastic hose production line; characterized in that, The utility model comprises a cooling device, a conveying device, an auxiliary device, a cleaning device and an adjusting device. The conveying device is connected with the cooling device, the auxiliary device is installed on the conveying device, the cleaning device is installed on the conveying device, and the adjusting device is installed on the conveying device and connected with the cooling device.

2. The extrusion device of a new type of PVC plastic hose production line as claimed in claim 1 is characterized in that: The cooling device comprises an extrusion tube (1), an extrusion head (2), a quick connector (3) and a cooling pipe (4); the output end of the extrusion tube (1) is connected to the extrusion head (2); the cooling pipe (4) is arranged in the inner wall of the extrusion head (2); and a set of quick connectors (3) are respectively installed on the input end and the output end of the cooling pipe (4).

3. The extrusion device of a new type of PVC plastic hose production line as claimed in claim 2 is characterized in that: The conveying device comprises a C-shaped frame (5), a conveying frame (6), a driving motor (7), a conveying roller (8) and a wire mesh conveyor belt (9). The C-shaped frame (5) is installed at the front of the lower end face of the extruder head (2). The lower left and right parts of the C-shaped frame (5) are connected to the left and right end faces of the rear part of the conveying frame (6) through a group of rotating shafts respectively. A group of conveying rollers (8) are installed at the front and rear parts of the conveying frame (6) respectively. The driving motor (7) is installed at the front of the right end face of the conveying frame (6). The output end of the driving motor (7) is connected to the front conveying roller (8). The wire mesh conveyor belt (9) is sleeved on the two groups of conveying rollers (8).

4. The extrusion device of a new type of PVC plastic hose production line as claimed in claim 3 is characterized in that: The auxiliary device comprises a carrying plate (10), a nozzle (11), a sealing box (12), a fan (13) and a dust collecting bag (14). The carrying plate (10) is horizontally installed in the middle of the conveying frame (6). The carrying plate (10) is located between the upper and lower layers of the wire mesh conveyor belt (9). A plurality of groups of nozzles (11) are installed on the upper end surface of the carrying plate (10). A sealing box (12) is installed in the middle of the right end surface of the conveying frame (6). A fan (13) is installed on the front end surface of the sealing box (12). The output end of the fan (13) is communicated with the inside of the sealing box (12). The inside of the sealing box (12) is connected with the plurality of groups of nozzles (11) on the carrying plate (10) through a pipeline. A dust collecting bag (14) is installed in the front part of the sealing box (12). The dust collecting bag (14) is sleeved on the output end of the fan (13).

5. The extrusion device of a new type of PVC plastic hose production line as claimed in claim 3 is characterized in that: The cleaning device comprises a reducer (15), a motor (16) and a cleaning roller (17). The reducer (15) is installed at the lower part of the right end surface of the conveyor frame (6), the motor (16) is installed on the reducer (15), and the cleaning roller (17) is installed at the middle part of the lower end surface of the conveyor frame (6). The output end of the reducer (15) is connected to the cleaning roller (17), and the upper part of the cleaning roller (17) contacts the lower end surface of the wire mesh conveyor belt (9).

6. The extrusion device of a new type of PVC plastic hose production line as claimed in claim 3, characterized in that: The adjusting device comprises an adjusting frame (18), an arc sleeve (19), an arc limiting rod (20) and a fastening bolt (21); the adjusting frame (18) is mounted on the rear end surface of the conveyor frame (6); the arc sleeve (19) is mounted on the rear of the adjusting frame (18); the fastening bolt (21) is mounted on the rear end surface of the arc sleeve (19); the arc limiting rod (20) is mounted on the rear of the lower end surface of the extrusion head (2); and the arc limiting rod (20) passes through the interior of the arc sleeve (19).

7. The extrusion device of a new type of PVC plastic hose production line as claimed in claim 2, characterized in that: It also includes a limit block (22), and the limit block (22) is installed at the lower part of the arc limit rod (20).

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