Propene polymer (PP) welding rod production extrusion device

By incorporating a welding electrode protection structure and an angle adjustment structure into the PP welding electrode production extrusion unit, the problems of exhaust gas pollution and easy breakage of welding electrodes have been solved, achieving both environmental protection and improved production efficiency.

CN223834996UActive Publication Date: 2026-01-27DONGGUAN HETE PLASTIC PROD CO LTD
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Patent Information

Application Number
CN202423249684.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-27
Publication Date
2026-01-27
Estimated Expiration
2034-12-27

AI Technical Summary

Technical Problem

The production process of PP welding electrodes pollutes the environment with exhaust gas. The high temperature of the welding electrodes makes them prone to dust accumulation and breakage, which affects production efficiency.

Method used

Design a PP welding electrode production extrusion device including a welding electrode protection structure and an angle adjustment structure. The welding electrode protection structure consists of a rigid base tube, a connecting flange, an exhaust gas pipe, a corrugated hose, and a rigid protective tube, which can collect exhaust gas and protect the welding electrode. The angle adjustment structure can adjust the direction of the welding electrode to prevent breakage.

Benefits of technology

It effectively reduces exhaust gas pollution, reduces dust and debris on welding rods, lowers the risk of welding rod breakage, and improves production efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a PP welding rod production extrusion device, which belongs to the technical field of PP welding rod production, and comprises an extruder main body, a welding rod protection structure is fixedly arranged at the rear end of the extruder main body, and the welding rod protection structure consists of a hard base pipe, a connecting flange, a waste gas exhaust pipeline, a corrugated hose, a hard protection pipe and a conical pipeline, the connecting flange is fixedly mounted at the front end of the hard base pipe, the welding rod protection structure is arranged at the rear end of the extruder main body and can be connected with waste gas treatment equipment, so that waste gas can be collected, the pollution to the surrounding environment is reduced, and finally, the body health of surrounding workers is facilitated; meanwhile, the welding rod protection structure can protect the welding rod which is just subjected to extrusion molding, so that the probability that dust and sundries fall on the welding rod can be reduced, the welding rod can be guaranteed to have good quality, the welding rod protection structure can block foreign objects, the foreign objects are prevented from touching the welding rod, and the risk that the welding rod is broken can be reduced.
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Description

Technical Field

[0001] This utility model relates to the field of PP welding electrode production technology, and in particular to an extrusion device for PP welding electrode production. Background Technology

[0002] PP welding rods are welding materials made of polypropylene, typically appearing as thin, parallel plastic strips. The production process of PP welding rods mainly includes raw material preparation, plasticizing extrusion, die forming, cooling and sizing, stretching and traction, length cutting, and quality inspection. First, raw materials conforming to relevant standards such as DIN, EN, and / or ISO are carefully selected to ensure their quality and performance meet requirements. Then, the raw materials are fed into a plasticizing extruder for heating and melting. The molten plastic is extruded through a specially designed die to form continuous welding rods. Next, the welding rods undergo rapid cooling in a cooling water tank to fix their shape and size. During the cooling process, stretching and traction are performed simultaneously to adjust the length and diameter of the welding rods to meet specifications. Then, the welding rods are cut into standard lengths using precise cutting equipment. Finally, the cut welding rods undergo rigorous quality inspection, including appearance quality, dimensional accuracy, and internal quality, to ensure they meet relevant standards. The entire production process requires strict control of process parameters and quality requirements at each stage to ensure the stable and reliable quality and performance of PP welding rods. After PP welding rods are extruded by an extruder and formed by a die, waste gas is emitted, which pollutes the surrounding environment and is detrimental to the health of nearby workers. At the same time, before the PP welding rods enter the cooling water tank for cooling, their temperature is relatively high and they are relatively soft. At this time, dust and debris easily adhere to them, which reduces the quality of the PP welding rods. In addition, PP welding rods in this state are prone to breakage when subjected to accidental force, which affects the normal production and processing efficiency of PP welding rods. Therefore, a PP welding rod production extrusion device is needed to solve the above problems. Utility Model Content

[0003] The main objective of this invention is to provide a PP welding electrode production extrusion device, which can effectively solve the problems in the background art.

[0004] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0005] An extrusion device for producing PP welding electrodes includes an extruder body. A welding electrode protection structure is fixedly installed at the rear end of the extruder body. The welding electrode protection structure consists of a rigid base tube, a connecting flange, an exhaust gas pipe, a corrugated hose, a rigid protective tube, and a tapered pipe. The connecting flange is fixedly installed at the front end of the rigid base tube. The exhaust gas pipe is fixedly inserted into the rigid base tube. The corrugated hose is fixedly installed at the rear end of the rigid base tube. The rigid protective tube is fixedly installed at the rear end of the corrugated hose. The tapered pipe is fixedly installed at the rear end of the rigid protective tube. An angle adjustment structure is fixedly installed at the rear end of the extruder body and on the outer wall of the rigid protective tube. The angle adjustment structure consists of a first mounting bracket, a second mounting bracket, a fixed shaft, a rotating block, a threaded rod, and an internal threaded sleeve. There are two fixed shafts, which are respectively fixedly installed in the first and second mounting brackets. There are two rotating blocks, which are respectively rotatably installed on the two fixed shafts. There are two threaded rods, which are respectively fixedly installed at one end of the two rotating blocks. The internal threaded sleeve is installed on the two threaded rods.

[0006] Preferably, a feed hopper is fixedly installed at the feed inlet of the extruder body.

[0007] Preferably, the connecting flange on the welding rod protection structure is fixedly installed at the rear end of the extruder body, and the exhaust gas pipe can be connected to the exhaust gas purification equipment.

[0008] Preferably, the first mounting bracket on the angle adjustment structure is fixedly installed at the rear end of the extruder body, and the first mounting bracket is located below the welding rod protection structure, while the second mounting bracket is fixedly installed on the lower outer wall of the rigid protective tube.

[0009] Preferably, the rotating block of the angle adjustment structure has a shaft hole through which the rotating block passes from left to right.

[0010] Preferably, the rotating block is rotatably mounted on a fixed shaft through a shaft hole provided thereon.

[0011] Compared with the prior art, the present invention has the following beneficial effects:

[0012] By installing a welding rod protection structure at the rear end of the extruder body, this structure can be connected to exhaust gas treatment equipment to collect exhaust gas, thereby reducing pollution to the surrounding environment and ultimately benefiting the health of nearby workers. Simultaneously, the welding rod protection structure protects the freshly extruded welding rod, reducing the probability of dust and debris settling on it, thus ensuring better welding rod quality. Furthermore, the structure blocks external objects from contacting the welding rod, reducing the risk of breakage and ultimately ensuring efficient welding rod production. With an angle adjustment structure, the welding rod protection structure can be adjusted according to the direction of the welding rod, resulting in better protection of the welding rod. Attached Figure Description

[0013] Figure 1 This is a top view of the overall structure of this utility model;

[0014] Figure 2 This is a bottom view of the overall structure of this utility model;

[0015] Figure 3 This is a schematic diagram of the electrode protection structure of this utility model;

[0016] Figure 4 This is a schematic diagram of the angle adjustment structure of this utility model.

[0017] In the diagram: 1. Extruder body; 2. Welding rod protection structure; 3. Angle adjustment structure; 4. Feed hopper; 5. Rigid base tube; 6. Connecting flange; 7. Exhaust gas pipe; 8. Corrugated hose; 9. Rigid protective tube; 10. Tapered pipe; 11. First mounting bracket; 12. Second mounting bracket; 13. Fixed shaft; 14. Rotating block; 15. Shaft hole; 16. Threaded rod; 17. Internal threaded sleeve. Detailed Implementation

[0018] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0019] Please see Figure 1 , Figure 2 , Figure 3 , Figure 4As shown, a PP welding electrode production extrusion device includes an extruder body 1. A welding electrode protection structure 2 is fixedly installed at the rear end of the extruder body 1. The welding electrode protection structure 2 consists of a rigid base tube 5, a connecting flange 6, an exhaust gas pipe 7, a corrugated hose 8, a rigid protective tube 9, and a tapered pipe 10. The connecting flange 6 is fixedly installed at the front end of the rigid base tube 5. The exhaust gas pipe 7 is fixedly inserted into the rigid base tube 5. The corrugated hose 8 is fixedly installed at the rear end of the rigid base tube 5. The rigid protective tube 9 is fixedly installed at the rear end of the corrugated hose 8. The tapered pipe 10 is fixedly installed at the rear end of the rigid protective tube 9. An angle adjustment structure 3 is fixedly installed on the rear end of the extruder body 1 and the outer wall of the rigid protective tube 9. The angle adjustment structure 3 consists of a first mounting bracket 11, a second mounting bracket 12, a fixed shaft 13, a rotating block 14, a threaded rod 16, and an internal threaded sleeve 17. There are two fixed shafts 13, each fixed... The extruder body 1 is fixedly installed in the first mounting bracket 11 and the second mounting bracket 12. There are two rotating blocks 14, which are rotatably mounted on two fixed shafts 13 respectively. There are two threaded rods 16, which are fixedly mounted on one end of the two rotating blocks 14 respectively. The internal threaded sleeve 17 is mounted on the two threaded rods 16. A feed hopper 4 is fixedly installed at the feed inlet of the extruder body 1. A die head mold is set inside the extruder body 1 and at the discharge outlet of the extruder body 1. When producing PP welding rods, the raw material can be put into the extruder body 1 through the feed hopper 4. Then the extruder body 1 will melt and extrude the raw material. Then the extruded raw material is shaped by the die head mold. Then the shaped welding rod will pass through the welding rod protection structure 2. Then the welding rod will enter the cooling water tank behind for cooling. When the welding rod passes through the welding rod protection structure 2, the exhaust gas purification equipment connected to the welding rod protection structure 2 can be started to collect and purify the generated exhaust gas.

[0020] Finally, by setting a welding rod protection structure 2 at the rear end of the extruder body 1, this structure can be connected to the exhaust gas treatment equipment to collect exhaust gas, thereby reducing pollution to the surrounding environment and ultimately benefiting the health of nearby workers. Simultaneously, the welding rod protection structure 2 protects the freshly extruded welding rod, reducing the probability of dust and debris falling onto it, thus ensuring better welding rod quality. Furthermore, the structure blocks external objects from contacting the welding rod, reducing the risk of breakage and ensuring efficient welding rod production. By setting an angle adjustment structure 3, the welding rod protection structure 2 can be adjusted according to the direction of the welding rod, resulting in better protection of the welding rod.

[0021] Please see Figure 1 , Figure 2 , Figure 3 , Figure 4As shown, the connecting flange 6 on the electrode protection structure 2 is fixedly installed at the rear end of the extruder body 1. The exhaust gas pipe 7 can be connected to the exhaust gas purification equipment. The first mounting bracket 11 on the angle adjustment structure 3 is fixedly installed at the rear end of the extruder body 1, and the first mounting bracket 11 is located below the electrode protection structure 2. The second mounting bracket 12 is fixedly installed on the lower outer wall of the rigid protective tube 9. The rotating block 14 on the angle adjustment structure 3 has a shaft hole 15, which passes through the rotating block 14 from left to right. The rotating block 14 is rotatably mounted on the fixed shaft 13 through the shaft hole 15. The rotation is adjusted according to the direction of the electrode. When adjusting the electrode protection structure 2, the internal threaded sleeve 17 can be rotated. As the internal threaded sleeve 17 rotates, the threaded rod 16 will be slowly retracted into the internal threaded sleeve 17, or the threaded rod 16 will be slowly moved out of the internal threaded sleeve 17. When the threaded rod 16 is slowly retracted into the internal threaded sleeve 17, the threaded rod 16 will pull the rigid protective tube 9 downward. At this time, the rigid protective tube 9 will rotate downward about the corrugated hose 8. When the threaded rod 16 is slowly moved out of the internal threaded sleeve 17, the threaded rod 16 will push the rigid protective tube 9 upward. At this time, the rigid protective tube 9 will rotate upward about the corrugated hose 8.

[0022] The above description is merely a preferred embodiment of this utility model and is not intended to limit the scope of this utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A PP welding electrode production extrusion device, comprising an extruder body (1), characterized in that: A welding rod protection structure (2) is fixedly installed at the rear end of the extruder body (1). The welding rod protection structure (2) consists of a rigid base tube (5), a connecting flange (6), an exhaust gas pipe (7), a corrugated hose (8), a rigid protective tube (9), and a tapered pipe (10). The connecting flange (6) is fixedly installed at the front end of the rigid base tube (5). The exhaust gas pipe (7) is fixedly inserted into the rigid base tube (5). The corrugated hose (8) is fixedly installed at the rear end of the rigid base tube (5). The rigid protective tube (9) is fixedly installed at the rear end of the corrugated hose (8). The tapered pipe (10) is fixedly installed at the rear end of the rigid protective tube (9). The extruder body (1) An angle adjustment structure (3) is fixedly installed on the rear end and the outer wall of the rigid protective tube (9). The angle adjustment structure (3) consists of a first mounting bracket (11), a second mounting bracket (12), a fixed shaft (13), a rotating block (14), a threaded rod (16), and an internal threaded sleeve (17). There are two fixed shafts (13) and they are fixedly installed in the first mounting bracket (11) and the second mounting bracket (12) respectively. There are two rotating blocks (14) and they are rotatably installed on the two fixed shafts (13) respectively. There are two threaded rods (16) and they are fixedly installed on one end of the two rotating blocks (14) respectively. The internal threaded sleeve (17) is installed on the two threaded rods (16).

2. The PP welding electrode production extrusion device according to claim 1, characterized in that: A feed hopper (4) is fixedly installed at the feed inlet of the extruder body (1).

3. The PP welding electrode production extrusion device according to claim 2, characterized in that: The connecting flange (6) on the electrode protection structure (2) is fixedly installed at the rear end of the extruder body (1), and the exhaust gas pipe (7) can be connected to the exhaust gas purification equipment.

4. The PP welding electrode production extrusion device according to claim 3, characterized in that: The first mounting bracket (11) on the angle adjustment structure (3) is fixedly installed at the rear end of the extruder body (1), and the first mounting bracket (11) is located below the welding rod protection structure (2), and the second mounting bracket (12) is fixedly installed on the lower outer wall of the rigid protective tube (9).

5. The PP welding electrode production extrusion device according to claim 4, characterized in that: The rotating block (14) on the angle adjustment structure (3) has a shaft hole (15) through which the rotating block (14) passes.

6. The PP welding electrode production extrusion device according to claim 5, characterized in that: The rotating block (14) is rotatably mounted on the fixed shaft (13) through the shaft hole (15) opened thereon.