Three-layer co-extrusion molding device

Abstract

The utility model relates to pipe fitting processing technical field discloses a kind of three-layer co-extrusion mould body plastic processing device, including dismounting assembly, dismounting assembly is used to facilitate dismounting extrusion module part, dismounting assembly includes processing main body, extrusion module main body, hook block, clamping block and screw rod, processing main body and extrusion module main body are aligned, hook block is set around on processing main body, and every hook block is fixedly connected with processing main body, every screw rod is set around on extrusion module main body, clamping block is threadedly connected with corresponding screw rod, by hook block and clamping block, screw rod, realize simple rotation, between processing main body and extrusion module main body dismounting connection is carried out portability, without excessive fastener and conventional screw thread connection mode, cause the difficulty of dismounting extrusion module main body cumbersome, in the dismounting of extrusion module main body, by supporting block, extrusion module main body is supported and moved, alleviate the burden required by manpower to lift extrusion module main body.

Description

Technical Field

[0001] This utility model belongs to the field of pipe processing technology, specifically, it relates to a three-layer co-extrusion die plastic processing device. Background Technology

[0002] Over the past two decades, domestic pipe processing enterprises have developed very rapidly. PE processing enterprises have sprung up like mushrooms after rain. At the same time, the number of extruder manufacturers has also gradually increased, forming a situation where domestic brand extruders compete with foreign brand extruders. Under these circumstances, various kinds of pipe processing molds have also emerged.

[0003] A document with publication number CN215512173U discloses a three-layer co-extrusion mechanism for plastic pipe fittings, including a conveying cavity, a first co-extrusion disc mounted on one side of the conveying cavity, a second co-extrusion disc mounted on one side of the first co-extrusion disc, a third co-extrusion disc mounted on one side of the second co-extrusion disc, and an extrusion disc mounted on one side of the third co-extrusion disc. The first co-extrusion disc has a first flow channel inside. The above scheme, by setting the first flow channel, provides preliminary cooling to the front-end extrusion molding pipe, causing slight solidification on the surface, ensuring a good buffering effect during extrusion and improving controllability. The further setting of the second, third, and extrusion flow channels is suitable for the co-extrusion of three-layer composite pipes. Only one processing step is needed to produce three-layer multifunctional composite pipes, avoiding multiple composite production steps and reducing production consumption. The outer side of the extrusion flow channel is set with a threaded structure to reduce the contact length between the pipe and the mold.

[0004] The above solution does not address the disassembly of the extrusion module. The existing disassembly and assembly methods, which rely on fasteners and threaded connections, affect the efficiency of disassembly and assembly, thus impacting the efficiency of extrusion module replacement and cleaning.

[0005] In view of this, this utility model is proposed. Utility Model Content

[0006] To solve the technical problem of disassembling and assembling extrusion modules, the basic concept of the technical solution adopted by this utility model is as follows: A three-layer co-extrusion die plastic processing device includes a disassembly and assembly assembly for facilitating the disassembly and assembly of the extrusion die. The disassembly and assembly assembly includes a processing body, an extrusion die body, hook blocks, snap-fit ​​blocks, and lead screws. The processing body and the extrusion die body are aligned. The hook blocks are arranged around the processing body, and each hook block is fixedly connected to the processing body. Each lead screw is arranged around the extrusion die body. The snap-fit ​​blocks are threadedly connected to the corresponding lead screws, and each snap-fit ​​block snaps into the hook block.

[0007] In a preferred embodiment of this utility model, a fixing block is arranged around the extrusion module body, each fixing block is fixedly connected to the extrusion module body, and the corresponding lead screw is rotatably connected to the fixing block.

[0008] In a preferred embodiment of this utility model, each snap-fit ​​block is slidably connected to a corresponding fixed block, and a guide ring is fixedly connected to the main body of the extrusion module, with the guide ring fitting into the processing body.

[0009] In a preferred embodiment of this utility model, a washer is provided inside the guide ring, and the wall surface of the washer is respectively attached to the processing body and the extrusion module body.

[0010] In a preferred embodiment of this utility model, a protective cover is provided at the end of the processing body, the protective cover is fixedly connected to the processing body, and a cooling ring is provided in the middle of the protective cover.

[0011] In a preferred embodiment of this utility model, the cooling ring is fixedly connected to the protective cover by a bracket connection method, and guide rails are symmetrically arranged on the protective cover.

[0012] In a preferred embodiment of this utility model, each guide rail is fixedly connected to the protective cover, and each guide rail is slidably connected to a support block, with each support block in close contact with the wall surface of the extrusion module body.

[0013] Compared with the prior art, the present invention has the following advantages: 1. This three-layer co-extrusion die plastic processing device achieves simple rotation through hook blocks, snap-fit ​​blocks, and lead screws, making the connection between the processing body and the extrusion die body portable and eliminating the need for excessive fasteners and traditional threaded connections, which would otherwise make the extrusion die body difficult to disassemble and assemble.

[0014] 2. This three-layer co-extrusion die plastic processing device protects the processing body and the extrusion die body with a protective cover to prevent the extrusion die body from being damaged by impact and affecting production efficiency. During the disassembly of the extrusion die body, the extrusion die body is supported and moved by the support block, reducing the burden required for manual unloading and lifting of the extrusion die body.

[0015] The specific embodiments of this utility model will be described in further detail below with reference to the accompanying drawings. Attached Figure Description

[0016] In the attached diagram: Figure 1 This is a three-dimensional schematic diagram of the present invention; Figure 2 This is a schematic diagram showing the disassembly of the processing body and the extrusion module body of this utility model; Figure 3This is a schematic diagram of the end structure of the protective cover of this utility model; Figure 4 This is a schematic diagram of the structure of the protective cover of this utility model; Figure 5 This utility model Figure 1 Enlarged schematic diagram of the structure at point A in the middle.

[0017] In the diagram: 1. Processing body; 11. Extrusion module body; 12. Guide ring; 13. Washer; 2. Protective cover; 21. Guide rail; 22. Support block; 23. Cooling ring; 3. Hook block; 31. Snap-fit ​​block; 32. Lead screw; 33. Fixing block. Detailed Implementation

[0018] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the accompanying drawings. The following embodiments are used to illustrate this utility model.

[0019] Please see Figure 1-5 A three-layer co-extrusion die plastic processing device includes a disassembly assembly for facilitating the disassembly and assembly of the extrusion die. The disassembly assembly includes a processing body 1, an extrusion die body 11, hook blocks 3, snap-fit ​​blocks 31, and lead screws 32. The processing body 1 and the extrusion die body 11 are aligned. The hook blocks 3 are arranged around the processing body 1, and each hook block 3 is fixedly connected to the processing body 1. Each lead screw 32 is arranged around the extrusion die body 11. The snap-fit ​​blocks 31 are threadedly connected to the corresponding lead screw 32, and each snap-fit ​​block 31 snaps into the hook block 3. During the assembly and disassembly of the processing body 1 and the extrusion module body 11, the lead screw 32 is manually rotated. The lead screw 32 changes the position of the locking block 31 through the thread, and the gap between the locking block 31 and the hook block 3 changes. If the hook block 3 and the locking block 31 are tightly abutted, the processing body 1 and the extrusion module body 11 are locked. When the hook block 3 and the locking block 31 are separated, the processing body 1 and the extrusion module body 11 are separated. Then, the extrusion module body 11 is rotated, which drives the locking block 31 and the hook block 3 to separate, and the extrusion module body 11 is quickly assembled and disassembled.

[0020] It is worth noting that the processing body 1 and the extrusion module body 11 have already been disclosed in the existing three-layer co-extrusion mechanism for plastic pipe fittings CN215512173U, and will not be elaborated here.

[0021] The extrusion module body 11 is surrounded by fixing blocks 33. Each fixing block 33 is fixedly connected to the extrusion module body 11, and the corresponding lead screw 32 is rotatably connected to the fixing block 33. Each snap-fit ​​block 31 is slidably connected to the corresponding fixing block 33. A guide ring 12 is fixedly connected to the extrusion module body 11. The guide ring 12 fits with the processing body 1. A washer 13 is sleeved inside the guide ring 12. The wall surface of the washer 13 is respectively attached to the processing body 1 and the extrusion module body 11. In the disassembly and assembly of the processing body 1 and the extrusion module body 11, the screw 32 is manually rotated, and the screw 32 changes the position of the locking block 31 through the thread. If it needs to be removed, the locking block 31 and the hook block 3 will be separated. Then the extrusion module body 11 is manually rotated to separate the locking block 31 and the hook block 3, so that the extrusion module body 11 can be removed. If it is necessary to load the extrusion module body 11, after the extrusion module body 11 is guided and inserted between the guide ring 12 and the processing body 1, the extrusion module body 11 is manually rotated. The extrusion module body 11 drives the locking block 31 and the hook block 3 to engage. Then, the screw 32 is manually rotated. The screw 32 drives the locking block 31 and the hook block 3 to make close contact through the thread, thereby realizing the loading between the extrusion module body 11 and the processing body 1. Furthermore, with the gasket 13 in place, the space and connection between the processing body 1 and the extrusion module body 11 are sealed. The hook block 3, the snap-fit ​​block 31, and the lead screw 32 enable easy rotation, making the connection between the processing body 1 and the extrusion module body 11 portable. This eliminates the need for excessive fasteners and traditional threaded connections, which would otherwise make the extrusion module body 11 difficult to disassemble and cumbersome.

[0022] The processing body 1 is provided with a protective cover 2 at its end, which is fixedly connected to the processing body 1. A cooling ring 23 is provided in the middle of the protective cover 2, which is fixedly connected to the protective cover 2 through a bracket connection. Guide rails 21 are symmetrically arranged on the protective cover 2, each guide rail 21 is fixedly connected to the protective cover 2, and a support block 22 is slidably connected in each guide rail 21. Each support block 22 is in close contact with the wall surface of the extrusion module body 11. The cooling ring 23 is used to cool down the raw material extruded from the extrusion module body 11, thereby rapidly solidifying the raw material and improving the cooling and solidification efficiency. During the loading and unloading of the extrusion module body 11, the extrusion module body 11 is first brought into contact with the support block 22, and then the support block 22 supports the extrusion module body 11. During the disassembly of the extrusion module body 11, the support block 22 supports and moves the extrusion module body 11, reducing the burden required for manual unloading and lifting of the extrusion module body 11. Then, the protective cover 2 protects the processing body 1 and the extrusion module body 11 to prevent the extrusion module body 11 from being damaged by impact, which would affect production efficiency.

[0023] Working principle: During the assembly and disassembly of the processing body 1 and the extrusion module body 11, the lead screw 32 is manually rotated. The lead screw 32 changes the position of the locking block 31 through the thread, thus changing the gap between the locking block 31 and the hook block 3. If the hook block 3 and the locking block 31 are tightly abutted, the processing body 1 and the extrusion module body 11 are locked together. When the hook block 3 and the locking block 31 are separated, the processing body 1 and the extrusion module body 11 are separated. Then, the extrusion module body 11 is rotated, causing the locking block 31 and the hook block 3 to separate, allowing for quick assembly and disassembly of the extrusion module body 11. During the disassembly and assembly of the main body 11, the lead screw 32 is manually rotated, and the lead screw 32 changes the position of the locking block 31 through the thread. If disassembly is required, the locking block 31 and the hook block 3 separate. Then, the extrusion module main body 11 is manually rotated to separate the locking block 31 from the hook block 3, thus achieving the disassembly of the extrusion module main body 11. If the extrusion module main body 11 needs to be installed, after the extrusion module main body 11 is guided and inserted between the guide ring 12 and the processing main body 1, the extrusion module main body 11 is manually rotated. The extrusion module main body 11 causes the locking block 31 to engage with the hook block 3. Then, the lead screw 32 is manually rotated, and the lead screw 32... The threaded engagement block 31 and hook block 3 are brought into close contact, enabling loading between the extrusion module body 11 and the processing body 1. The gasket 13 seals the space and connection between the processing body 1 and the extrusion module body 11. The hook block 3, engagement block 31, and lead screw 32 facilitate easy rotation, simplifying the connection between the processing body 1 and the extrusion module body 11. This eliminates the need for excessive fasteners and traditional threaded connections, preventing the extrusion module body 11 from being difficult to disassemble and reassemble. The cooling ring 23 provides cooling for the extruded material from the extrusion module body 11. The raw materials are cooled to quickly solidify them, improving the efficiency of cooling and solidification. During the loading and unloading of the extrusion module body 11, the extrusion module body 11 is first brought into contact with the support block 22, and then the support block 22 supports the extrusion module body 11. During the disassembly of the extrusion module body 11, the support block 22 supports and moves the extrusion module body 11, reducing the burden required for manual unloading and lifting of the extrusion module body 11. Then, the protective cover 2 protects the processing body 1 and the extrusion module body 11 to prevent the extrusion module body 11 from being damaged by impact, which would affect production efficiency.

[0024] It is understood that this utility model has been described through some embodiments, and those skilled in the art will recognize that various changes or equivalent substitutions can be made to these features and embodiments without departing from the spirit and scope of this utility model. Furthermore, under the teachings of this utility model, these features and embodiments can be modified to adapt to specific situations and materials without departing from the spirit and scope of this utility model. Therefore, this utility model is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are within the protection scope of this utility model.

Claims

1. A three-layer co-extrusion molding plastic processing device, characterized in that, include: The disassembly and assembly assembly is used to facilitate the disassembly and assembly of the extrusion module. The disassembly and assembly assembly includes a processing body (1), an extrusion module body (11), hook blocks (3), snap-fit ​​blocks (31), and lead screws (32). The processing body (1) and the extrusion module body (11) are aligned. The hook blocks (3) are arranged around the processing body (1), and each hook block (3) is fixedly connected to the processing body (1). Each lead screw (32) is arranged around the extrusion module body (11). The snap-fit ​​blocks (31) are threadedly connected to the corresponding lead screws (32), and each snap-fit ​​block (31) is snapped into the hook block (3).

2. The three-layer co-extrusion die plastic processing apparatus according to claim 1, characterized in that, The extrusion module body (11) is surrounded by fixing blocks (33), each fixing block (33) is fixedly connected to the extrusion module body (11), and the corresponding lead screw (32) is rotatably connected to the fixing block (33).

3. The three-layer co-extrusion die plastic processing apparatus according to claim 1, characterized in that, Each of the snap-fit ​​blocks (31) is slidably connected to the corresponding fixing block (33), and a guide ring (12) is fixedly connected to the extrusion module body (11), the guide ring (12) fitting with the processing body (1).

4. The three-layer co-extrusion die plastic processing apparatus according to claim 3, characterized in that, The guide ring (12) is fitted with a washer (13), and the wall of the washer (13) is in contact with the processing body (1) and the extrusion module body (11) respectively.

5. The three-layer co-extrusion die plastic processing apparatus according to claim 1, characterized in that, The processing body (1) is provided with a protective cover (2) at its end. The protective cover (2) is fixedly connected to the processing body (1). A cooling ring (23) is provided in the middle of the protective cover (2).

6. The three-layer co-extrusion die plastic processing apparatus according to claim 5, characterized in that, The cooling ring (23) is fixedly connected to the protective cover (2) by means of a bracket connection, and guide rails (21) are symmetrically arranged on the protective cover (2).

7. The three-layer co-extrusion die plastic processing apparatus according to claim 6, characterized in that, Each of the guide rails (21) is fixedly connected to the protective cover (2), and each guide rail (21) is slidably connected to a support block (22), and each support block (22) is in close contact with the wall of the extrusion module body (11).

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