Double-layer composite plastic pipe extrusion device

Abstract

The utility model relates to the technical field of pipe processing, in particular to a double-layer composite plastic pipe extrusion device which comprises a feeding main body which is fixedly connected, a feeding box and a feeding hopper which are matched with the top of the feeding main body, and a melting mechanism which is matched with the feeding main body, and one end of the butt joint base communicates with an extrusion structure, a supporting bottom plate is arranged at the bottom end of the feeding body in a matched mode, and a supporting table is fixedly arranged at the bottom of the extrusion structure. The effect of preliminarily guiding and conveying materials is achieved through a material guiding pipe, the effect of conveniently connecting and fixing the butt joint position of the material guiding pipe and a first butt joint pipe through an outer flange is achieved through a butt joint ring, and the effect of temporarily storing the materials before the materials are subjected to forming operation of a forming pipe is achieved through a discharging pipe; the conical discharging pipe can effectively guarantee sufficient guiding-out of the materials, and the effect of guaranteeing connection and sealing between the discharging pipe and the forming pipe is achieved through the second butt joint pipe.

Description

Technical Field

[0001] The utility model relates to the technical field of pipe processing, in particular to a double-layer composite plastic pipe extrusion device. Background Art

[0002] As an important component of chemical building materials, plastic pipes are widely accepted by users for their superior performance, hygiene, environmental protection, low consumption and other advantages. They mainly include UPVC drainage pipes, UPVC water supply pipes, aluminum-plastic composite pipes, polyethylene (PE) water supply pipes, and polypropylene PPR hot water pipes. In recent years, with the increasing market demand in the construction industry, municipal engineering, water conservancy engineering, agriculture, and industry, China's plastic pipe industry has shown a rapid development trend. Plastic pipes need to be extruded during the production and processing process. The plastic pipe extrusion device currently used has low working efficiency during use, and the finished product quality of double-layer composite plastic pipes is poor. In response to this problem, a Chinese utility model application with application number 201721832491.1 proposes a double-layer composite plastic The material pipe extrusion system comprises a heating and melting box and a support plate, wherein the heating and melting box is fixedly mounted on the upper end of the support plate, a feeding device is fixedly mounted on one end of the heating and melting box, and the feeding device is threadedly fixedly mounted on the upper end of the support plate, universal wheels are fixedly mounted on the four corners of the lower end surface of the support plate, a heating plate is fixedly mounted on the end of the heating and melting box away from the feeding device, a cover plate is rotatably mounted on the upper end of the heating and melting box, a melting chamber is evenly and symmetrically provided inside the heating and melting box, a temperature control plate is fixedly mounted on the middle part of the side end surface of the heating and melting box, a screw extruder is fixedly mounted on the end of the heating plate away from the heating and melting box, and a double-layer extrusion device is fixedly connected to the end of the screw extruder away from the heating plate; however, the problems existing in the device when in use are:

[0003] The double-layer extrusion device cannot be easily disassembled, assembled or replaced. At the same time, when the pipe material is extruded through the spiral stirring wheel, it cannot be ensured that the material fully enters the forming round tube to complete the forming extrusion operation.

[0004] Therefore, the utility model proposes a double-layer composite plastic pipe extrusion device. Utility Model Content

[0005] In view of the defects in the prior art, the utility model provides a double-layer composite plastic pipe extrusion device, which can solve the following problems: in the existing double-layer composite plastic pipe extrusion device, the double-layer extrusion device cannot be easily disassembled, assembled and replaced; at the same time, when the pipe material is extruded through the spiral stirring wheel, it cannot be ensured that the material fully enters the molding round tube to complete the molding extrusion operation.

[0006] In order to solve the above technical problems, the utility model proposes the following technical solutions:

[0007] A double-layer composite plastic pipe extrusion device includes a fixedly connected feeding body and a feeding box and a feeding hopper matched with the top thereof, and also includes a melting mechanism matched with the feeding body, one end of the melting mechanism is fixedly connected with a docking seat, one end of the docking seat is connected with an extrusion structure, the bottom end of the feeding body is matched with a supporting base plate, the bottom of the extrusion structure is fixedly provided with a supporting platform, the support platform is also docked with the supporting base plate, the top of the support platform is fixedly connected with a limiting ring seat, and the limiting ring seat is also sleeved with the extrusion structure.

[0008] Furthermore, the extrusion structure includes a guide pipe and a docking ring that are fixedly connected, and a first butt joint pipe, a discharge pipe, and a second butt joint pipe that are fixedly connected in sequence;

[0009] The extruded structure also includes a fixedly connected forming tube and a sealing outer layer.

[0010] Furthermore, a docking ring is sleeved at one end of the material guide pipe, and one end of the material guide pipe is simultaneously connected to the docking seat. The first docking tube and the end of the material guide pipe close to the docking ring are threadedly sleeved, and the discharge pipe and the second docking tube are arranged in relatively connected conical tubes. The discharge pipe and the second docking tube are arranged in a horizontal transition, and the inner surface of the horizontal transition position is provided with a thread.

[0011] Furthermore, the butt ends of the material guide pipe and the first butt pipe are provided with external flanges.

[0012] Furthermore, a material guide ring is embedded in the butt joint ends of the material guide pipe and the first butt joint pipe, and five groups of inclined partitions are spirally distributed on the inner side of the material guide ring.

[0013] Furthermore, the forming tube is configured as a double-layer pipe, one end of which is threadedly sleeved with the second butt tube, and the outer surfaces of the butt ends of the forming tube and the second butt tube are correspondingly provided with threads, the sealing outer layer is configured as a soft plastic layer, and the sealing outer layer is embedded in the second butt tube.

[0014] It can be seen from the above technical solution that the beneficial effects of the utility model are:

[0015] 1. The material guide pipe is used to initially guide the material. The docking ring is used to facilitate the outer flange to connect and fix the material guide pipe and the first docking pipe. The discharge pipe is used to temporarily store the material before the material is formed by the forming pipe. During the material guiding process, the conical discharge pipe can effectively ensure the full discharge of the material. The second docking pipe is used to ensure the connection and sealing between the material and the forming pipe.

[0016] 2. The material guide ring can be used to spirally guide the material passing through the material guide pipe, which is beneficial for storing the material in the first butt joint pipe and the material storage pipe.

[0017] 3. The sealing of the forming tube and the second butt joint is ensured by sealing the outer layer. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the specific implementation of the utility model or the technical solution in the prior art, the following is a brief introduction to the drawings required for the specific implementation or the prior art description. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, each element or part is not necessarily drawn according to the actual scale.

[0019] Figure 1 It is a side view of the overall structure of the utility model;

[0020] Figure 2 This is an exploded view of the extrusion structure connection of the utility model;

[0021] Figure 3 For the utility model Figure 1 A magnified view of the structure at center;

[0022] Figure 4 For the utility model Figure 1 Enlarged view of the structure at point B in the middle.

[0023] Reference numerals:

[0024] 1. Feeding body; 2. Feeding box; 3. Feeding hopper; 4. Melting mechanism; 5. Docking seat; 6. Extrusion structure; 7. Material guide pipe; 8. Docking ring; 9. Material storage pipe; 10. First docking pipe; 11. Second docking pipe; 12. Forming pipe; 13. Sealing outer layer; 14. Material guide ring; 15. Outer flange; 16. Support platform; 17. Limiting ring seat. DETAILED DESCRIPTION

[0025] The following embodiments of the technical solution of the utility model are described in detail in conjunction with the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the utility model, and are therefore only used as examples, and cannot be used to limit the protection scope of the utility model.

[0026] See also Figure 1-4As shown, a double-layer composite plastic pipe extrusion device includes a fixedly connected feeding body 1 and a feeding box 2 and a feeding hopper 3 matched with the top thereof, and also includes a melting mechanism 4 matched with the feeding body 1, one end of the melting mechanism 4 is fixedly connected with a docking seat 5, one end of the docking seat 5 is connected with an extrusion structure 6, the bottom end of the feeding body 1 is matched with a supporting base plate, and a supporting platform 16 is fixedly provided at the bottom of the extrusion structure 6, and the supporting platform 16 is also docked with the supporting base plate, and the top of the support platform 16 is fixedly connected with a limiting ring seat 17, and the limiting ring seat 17 is also sleeved with the extrusion structure 6. When the device is in use, the extrusion structure 6 can be quickly and conveniently disassembled, assembled and replaced.

[0027] In the embodiment of the utility model, the extrusion structure 6 includes a fixedly connected guide tube 7 and a docking ring 8, and a first docking tube 10, a discharge tube 9 and a second docking tube 11 that are fixedly connected in sequence, and also includes a fixedly connected molding tube 12 and a sealing outer layer 13. The docking ring 8 is sleeved at one end of the guide tube 7, and one end of the guide tube 7 is simultaneously connected to the docking seat 5. The first docking tube 10 and one end of the guide tube 7 close to the docking ring 8 are threadedly sleeved, and the discharge tube 9 and the second docking tube 11 are arranged in a relatively connected conical tube arrangement, and the discharge tube 9 and the second docking tube 11 are arranged in a horizontal transition. The inner surface of the setting position is provided with a thread, and the butt ends of the guide pipe 7 and the first butt pipe 10 are provided with an outer flange 15. The guide pipe 7 is used to initially guide the material, and the butt ring 8 is used to facilitate the outer flange 15 to connect and fix the butt position of the guide pipe 7 and the first butt pipe 10. The discharge pipe 9 is used to temporarily store the material before the molding operation through the forming pipe 12. In the process of material guiding, the conical discharge pipe 9 can effectively ensure the full discharge of the material, and the second butt pipe 11 is used to ensure the connection and sealing between the material and the forming pipe 12.

[0028] A guide ring 14 is embedded in the butt joint end of the guide pipe 7 and the first butt joint pipe 10, and five groups of inclined partitions distributed in a spiral shape are arranged on the inner side of the guide ring 14. The guide ring 14 can achieve the effect of spirally guiding the material passing through the guide pipe 7, which is beneficial to the storage of the material in the first butt joint pipe 10 and the storage pipe 9.

[0029] When the material is guided through the guide pipe 7, the material contacts the guide ring 14 and spirally enters the first docking pipe 10 and the storage pipe 9, so that it can be fully stored in the storage pipe 9, thereby ensuring the subsequent material forming and guiding.

[0030] The forming tube 12 is configured as a double-layer pipe, one end of which is threadedly sleeved with the second butt tube 11, and the outer surfaces of the butt ends of the forming tube 12 and the second butt tube 11 are correspondingly provided with threads, and the sealing outer layer 13 is configured as a soft plastic layer, and the sealing outer layer 13 is embedded in the second butt tube 11, and the sealing outer layer 13 is used to ensure the butt sealing between the forming tube 12 and the second butt tube 11.

[0031] When the forming tube 12 and the second butt joint tube 11 are butt-jointed, the user rotates the forming tube 12, and the threads correspondingly arranged on the butt end surfaces of the forming tube 12 and the second butt joint tube 11 engage with each other to complete the threaded connection, and the sealing outer layer 13 is embedded in the conically arranged second butt joint tube 11 as the threads of the forming tube 12 and the second butt joint tube 11 are sleeved, and cooperates with the second butt joint tube 11 to form a seal.

[0032] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein by equivalents. These modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the utility model, and they should all be included in the scope of the claims and specification of the utility model.

Claims

1. A double-layer composite plastic pipe extrusion device, comprising a fixedly connected feeding body (1) and a feeding box (2) and a feeding hopper (3) arranged on the top thereof, and also comprising a melting mechanism (4) arranged in conjunction with the feeding body (1), characterized in that: One end of the melting mechanism (4) is fixedly connected to a docking seat (5), one end of the docking seat (5) is in communication with an extrusion structure (6), the bottom end of the feeding body (1) is matched with a supporting bottom plate, the bottom of the extrusion structure (6) is fixedly provided with a supporting platform (16), the supporting platform (16) is also docked with the supporting bottom plate, the top of the supporting platform (16) is fixedly connected to a limiting ring seat (17), and the limiting ring seat (17) is also sleeved with the extrusion structure (6).

2. A double-layer composite plastic pipe extrusion device according to claim 1, characterized in that: The extrusion structure (6) comprises a material guide pipe (7) and a docking ring (8) which are fixedly connected, and a first docking pipe (10), a material discharge pipe (9) and a second docking pipe (11) which are fixedly connected in sequence; The extruded structure (6) also includes a fixedly connected forming tube (12) and a sealing outer layer (13).

3. A double-layer composite plastic pipe extrusion device according to claim 2, characterized in that: The docking ring (8) is sleeved at one end of the material guide pipe (7), and one end of the material guide pipe (7) is also connected to the docking seat (5). The first docking pipe (10) and the end of the material guide pipe (7) close to the docking ring (8) are threadedly sleeved. The discharge pipe (9) and the second docking pipe (11) are arranged in the form of relatively connected conical pipes. The discharge pipe (9) and the second docking pipe (11) are arranged in a horizontal transition, and the inner surface of the position of the horizontal transition is provided with a thread.

4. A double-layer composite plastic pipe extrusion device according to claim 3, characterized in that: The butting ends of the material guide pipe (7) and the first butt pipe (10) are provided with an outer flange (15).

5. A double-layer composite plastic pipe extrusion device according to claim 4, characterized in that: A material guide ring (14) is embedded in the butt ends of the material guide pipe (7) and the first butt pipe (10), and five groups of inclined partitions are arranged in a spiral shape on the inner side of the material guide ring (14).

6. A double-layer composite plastic pipe extrusion device according to claim 2, characterized in that: The molding tube (12) is configured as a double-layer pipe, one end of which is threadedly sleeved with the second butt-jointed tube (11), and threads are correspondingly arranged on the outer surfaces of the butt ends of the molding tube (12) and the second butt-jointed tube (11), and the sealing outer layer (13) is configured as a soft plastic layer, while the sealing outer layer (13) is embedded in the second butt-jointed tube (11).

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