Extrusion equipment for PVC (polyvinyl chloride) sizing material processing

Abstract

The utility model discloses extrusion equipment for PVC (polyvinyl chloride) sizing material processing, which belongs to the field of extrusion equipment and comprises a base, a spiral extrusion pipe is arranged on the base, a heating seat is mounted on the base, an extrusion head is arranged at the end of the spiral extrusion pipe, and a driving seat is arranged on the base. Through the arranged anti-blocking structure, in the feeding process, a first motor operates to drive a cam to rotate through a driving bevel gear and a driven bevel gear, the cam is matched with a tight abutting spring and a limiting plate for use, a lifting rod is driven to ascend and descend at the end of a fixing rod, and therefore a linkage rod drives a dredging assembly to ascend and descend in a hopper; materials at the lower end of the hopper can be effectively dredged, blockage of the lower end of the hopper is avoided, the anti-blocking effect is good, a special-shaped head is arranged at the lower end of a dredging rod in the dredging assembly, a spiral groove is formed in the special-shaped head, local materials can be driven to rotate and move in the lifting process, and then the dredging effect is improved.

Description

Technical Field

[0001] The utility model relates to the field of extrusion equipment, and particularly relates to an extrusion equipment for processing PVC rubber materials. Background Technique

[0002] PVC rubber material, also known as polyvinyl chloride rubber material, is a thermoplastic plastic formed by the polymerization reaction of vinyl chloride monomers under the action of initiators. PVC rubber material has high durability and can maintain stable performance in various environments. Its excellent waterproof performance makes it widely used in fields such as water pipes and pipelines. PVC rubber material also has good electrical insulation performance and is commonly used in the insulation layer of wires and cables. When processing PVC rubber materials, extrusion equipment is used, and a screw extruder is commonly used for processing PVC rubber materials.

[0003] When using extrusion equipment to process PVC rubber materials, PVC particles are put into the feed hopper and fall into the extrusion pipe through the feed hopper. Under the action of the screw extrusion rod, the PVC particles move forward, and at the same time, the heating seat heats and melts the PVC particles, and finally extrudes and forms. However, in the existing extrusion equipment, there is no dredging and anti-blocking structure at the feed hopper. During the feeding process of PVC particles, the lower end of the feed hopper is easily blocked, which in turn affects the normal feeding and the entire extrusion work, and there are limitations in use that are prone to blockage. Content of the Utility Model

[0004] The main purpose of the utility model is to provide an extrusion equipment for processing PVC rubber materials, which can effectively solve the problems in the background technique.

[0005] To achieve the above purpose, the technical solution adopted by the utility model is as follows:

[0006] An extrusion equipment for processing PVC rubber materials includes a base. A screw extrusion pipe is provided on the base, and a heating seat is installed on the base. An extrusion head is provided at the end of the screw extrusion pipe. A drive seat is provided on the base. A feed hopper is installed on the screw extrusion pipe. An anti-blocking structure is provided on the drive seat, and a part of the anti-blocking structure is located inside the feed hopper.

[0007] Preferably, a second motor is provided on the base. A screw extrusion rod is provided inside the screw extrusion pipe, and the end of the screw extrusion rod is located in the drive seat. A controller is installed on the base.

[0008] Preferably, the anti-blocking structure includes a fixed rod, a dredging component, a lifting rod and a linkage rod. The fixed rod is installed on the feed hopper. The dredging component and the lifting rod respectively penetrate through both ends of the fixed rod. The linkage rod is arranged at the upper ends of the dredging component and the lifting rod.

[0009] Preferably, the anti-blocking structure further includes a first motor, a driving bevel gear, a mounting bracket, a cam, a driven bevel gear, a limiting plate and a pressing spring. The first motor is fixed on the driving seat, the driving bevel gear is connected to the first motor, the mounting bracket is fixed on the driving seat, the cam and the driven bevel gear are mounted on the mounting bracket through a rotating shaft, and the driven bevel gear is meshed with the driving bevel gear. The limiting plate is fixed on the lifting rod, the pressing spring is sleeved on the lifting rod, and the pressing spring is located between the limiting plate and the fixed rod. The lower end of the lifting rod abuts against the cam.

[0010] Preferably, the dredging assembly includes a dredging rod, a threaded joint, a special-shaped head and a spiral groove. The dredging rod is fixedly connected to the threaded joint, and the dredging rod penetrates through the end of the fixed rod. The threaded joint is connected to the linkage rod. The spiral groove is formed on the special-shaped head, and the special-shaped head is arranged at the lower end of the dredging rod.

[0011] Compared with the prior art, the utility model has the following beneficial effects: for the extrusion equipment for PVC rubber processing, through the arranged anti-blocking structure, during the feeding process, the first motor runs to drive the cam to rotate through the driving bevel gear and the driven bevel gear. The cam, in cooperation with the pressing spring and the limiting plate, drives the lifting rod to lift and lower at the end of the fixed rod, thereby driving the dredging assembly to lift and lower inside the hopper through the linkage rod, and further achieving the purpose of moving back and forth. It can effectively dredge the materials at the lower end of the hopper, avoid the blockage at the lower end of the hopper, and has a good anti-blocking effect. The lower end of the dredging rod in the dredging assembly is provided with a special-shaped head, and a spiral groove is formed on the special-shaped head, which can drive the local materials to rotate and move during the lifting process, thereby improving the dredging effect and having excellent use effect. Description of the Drawings

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

[0013] Figure 2 is the structural schematic diagram of the anti-blocking structure of the utility model;

[0014] Figure 3 is the utility model Figure 2 the structural schematic diagram of the part A in;

[0015] Figure 4 is the structural schematic diagram of the dredging assembly of the utility model.

[0016] In the figure: 1, base; 2, spiral extrusion tube; 3, heating base; 4, extrusion head; 5, drive base; 6, hopper; 7, anti-blocking structure; 701, fixed rod; 702, first motor; 703, driving bevel gear; 704, mounting bracket; 705, cam; 706, driven bevel gear; 707, dredging component; 7071, dredging rod; 7072, threaded joint; 7073, special-shaped head; 7074, spiral groove; 708, lifting rod; 709, limiting plate; 710, pressing spring; 711, linkage rod; 8, second motor; 9, controller. Specific implementation manner

[0017] In order to make the technical means, creative features, achieved purposes and effects realized by the present utility model easy to understand, the present utility model will be further described below in conjunction with specific implementation manners.

[0018] As Figures 1-4 shown, an extrusion device for PVC compound processing includes a base 1, a spiral extrusion tube 2 is provided on the base 1, a heating base 3 is installed on the base 1, an extrusion head 4 is provided at the end of the spiral extrusion tube 2, a drive base 5 is provided on the base 1, a hopper 6 is installed on the spiral extrusion tube 2, an anti-blocking structure 7 is provided on the drive base 5, and a part of the anti-blocking structure 7 is located inside the hopper 6, a second motor 8 is provided on the base 1, a spiral extrusion rod is provided inside the spiral extrusion tube 2, and the end of the spiral extrusion rod is located in the drive base 5, and a controller 9 is installed on the base 1.

[0019] When performing the extrusion processing of PVC compound, the device is started through the controller 9, the PVC material is put into the hopper 6, the PVC material in the hopper 6 enters the spiral extrusion tube 2, driven by the second motor 8 on the base 1, the internal structure of the drive base 5 operates to drive the spiral extrusion rod to rotate, and the spiral extrusion rod drives the PVC material to move. During this process, the heating base 3 operates to heat the material inside the spiral extrusion tube 2, so that the PVC material is heated and melted, and the melted material continues to move and is finally extruded and formed from the extrusion head 4. In this way, the extrusion processing of PVC compound is completed. During the entire extrusion process, the anti-blocking structure 7 operates to prevent blockage, avoiding the blockage of the PVC material at the lower end of the hopper 6 and ensuring the normal feeding.

[0020] Through the above implementation, the anti-blocking structure 7 includes a fixed rod 701, a dredging component 707, a lifting rod 708, and a linkage rod 711. The fixed rod 701 is installed on the hopper 6. The dredging component 707 and the lifting rod 708 respectively penetrate through both ends of the fixed rod 701. The linkage rod 711 is arranged at the upper ends of the dredging component 707 and the lifting rod 708. The anti-blocking structure 7 further includes a first motor 702, a driving bevel gear 703, a mounting bracket 704, a cam 705, a driven bevel gear 706, a limiting plate 709, and a pressing spring 710. The first motor 702 is fixed on the driving seat 5. The driving bevel gear 703 is connected to the first motor 702. The mounting bracket 704 is fixed on the driving seat 5. The cam 705 and the driven bevel gear 706 are installed on the mounting bracket 704 through a rotating shaft, and the driven bevel gear 706 is meshed and connected with the driving bevel gear 703. The limiting plate 709 is fixed on the lifting rod 708. The pressing spring 710 is sleeved on the lifting rod 708, and the pressing spring 710 is located between the limiting plate 709 and the fixed rod 701. The lower end of the lifting rod 708 abuts against the cam 705. The dredging component 707 includes a dredging rod 7071, a threaded joint 7072, a special-shaped head 7073, and a spiral groove 7074. The dredging rod 7071 is fixedly connected to the threaded joint 7072, and the dredging rod 7071 penetrates through the end of the fixed rod 701. The threaded joint 7072 is connected to the linkage rod 711. The spiral groove 7074 is formed on the special-shaped head 7073, and the special-shaped head 7073 is arranged at the lower end of the dredging rod 7071. Through the arranged anti-blocking structure 7, during the feeding process, the first motor 702 operates to drive the cam 705 to rotate through the driving bevel gear 703 and the driven bevel gear 706. The cam 705, in cooperation with the pressing spring 710 and the limiting plate 709, drives the lifting rod 708 to lift and lower at the end of the fixed rod 701, thereby driving the dredging component 707 to lift and lower inside the hopper 6 through the linkage rod 711, and further achieving the purpose of moving back and forth. It can effectively dredge the materials at the lower end of the hopper 6, avoid the situation of blockage at the lower end of the hopper 6, and has a good anti-blocking effect. The lower end of the dredging rod 7071 in the dredging component 707 is provided with a special-shaped head 7073, and a spiral groove 7074 is formed on the special-shaped head 7073, which can drive the local materials to rotate and move during the lifting process, thereby improving the dredging effect and having excellent use effect.

[0021] During the feeding process, the first motor 702 on the driving seat 5 drives the driving bevel gear 703 to rotate. The driving bevel gear 703 then drives the cam 705 on the mounting bracket 704 to rotate through the driven bevel gear 706. During this process, due to the action of the limiting plate 709 and the abutting spring 710, the lower end of the lifting rod 708 always contacts the cam 705. When the part with a larger diameter in the cam 705 contacts the lifting rod 708, the lifting rod 708 is in the lowest state at this time. When the part of the lifting rod 708 in contact with the cam 705 transitions from the part with a larger diameter to the part with a smaller diameter, the lifting rod 708 rises at the end of the fixed rod 701, and thus drives the dredging rod 7071 in the dredging assembly 707 to rise through the linkage rod 711. When the lifting rod 708 contacts the part with a smaller diameter of the cam 705, the lifting rod 708 is at the highest position at this time. As the cam 705 rotates, the lifting rod 708 rises and falls periodically, thus driving the dredging rod 7071 to reciprocate up and down. The special-shaped head 7073 reciprocates together, and the special-shaped head 7073 plays a role in dredging. And under the action of the spiral groove 7074, the materials at the lower end of the hopper 6 rotate locally, further improving the dredging effect, ensuring normal feeding, and avoiding blockage.

[0022] The above content describes the working principle, features and beneficial effects of the present utility model. Those skilled in the art can understand from the above content that the above content does not limit the present utility model. The above embodiments and descriptions in the specification describe the basic principles and features of the present utility model. On the premise of conforming to the concept of the present utility model, the present utility model can also be variously modified, and these modifications should fall within the scope of protection required by the present utility model.

Claims

1. An extrusion device for PVC compound processing, comprising a base (1), a spiral extrusion tube (2) is provided on the base (1), and a heating base (3) is installed on the base (1). An extrusion head (4) is provided at the end of the spiral extrusion tube (2), and a drive base (5) is provided on the base (1), characterized in that: A hopper (6) is installed on the spiral extrusion tube (2). An anti-blocking structure (7) is provided on the driving seat (5), and a part of the anti-blocking structure (7) is located inside the hopper (6).

2. An extrusion device for PVC compound processing according to claim 1, characterized in that: A second motor (8) is provided on the base (1). A spiral extrusion rod is provided inside the spiral extrusion tube (2), and the end of the spiral extrusion rod is located in the driving seat (5). A controller (9) is installed on the base (1).

3. An extrusion device for PVC compound processing according to claim 2, characterized in that: The anti-blocking structure (7) includes a fixed rod (701), a dredging component (707), a lifting rod (708) and a linkage rod (711). The fixed rod (701) is installed on the hopper (6). The dredging component (707) and the lifting rod (708) respectively penetrate through both ends of the fixed rod (701). The linkage rod (711) is arranged at the upper ends of the dredging component (707) and the lifting rod (708).

4. An extrusion device for PVC compound processing according to claim 3, characterized in that: The anti-blocking structure (7) further includes a first motor (702), a driving bevel gear (703), a mounting frame (704), a cam (705), a driven bevel gear (706), a limiting plate (709) and a pressing spring (710). The first motor (702) is fixed on the driving seat (5). The driving bevel gear (703) is connected to the first motor (702). The mounting frame (704) is fixed on the driving seat (5). The cam (705) and the driven bevel gear (706) are installed on the mounting frame (704) through a rotating shaft, and the driven bevel gear (706) is meshed and connected with the driving bevel gear (703). The limiting plate (709) is fixed on the lifting rod (708). The pressing spring (710) is sleeved on the lifting rod (708), and the pressing spring (710) is located between the limiting plate (709) and the fixed rod (701). The lower end of the lifting rod (708) abuts against the cam (705).

5. An extrusion device for PVC compound processing according to claim 4, characterized in that: The dredging component (707) includes a dredging rod (7071), a threaded joint (7072), a special-shaped head (7073) and a spiral groove (7074). The dredging rod (7071) is fixedly connected to the threaded joint (7072), and the dredging rod (7071) penetrates through the end of the fixed rod (701). The threaded joint (7072) is connected to the linkage rod (711). The spiral groove (7074) is formed on the special-shaped head (7073), and the special-shaped head (7073) is arranged at the lower end of the dredging rod (7071).

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