Plastic raw material extrusion device

By designing a plastic raw material extrusion device including a stirring mechanism, a heating plate, a thermal discharge pipe and a wear-resistant ring, the problems of uneven mixing of plastic raw materials and short service life of the screw rod in the prior art are solved, and higher quality plastic production and longer service life of the machine are achieved.

CN222554190UActive Publication Date: 2025-03-04NANJING KY CHEM MASCH CO LTD
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Patent Information

Application Number
CN202421061126.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-15
Publication Date
2025-03-04
Estimated Expiration
2034-05-15

AI Technical Summary

Technical Problem

The existing plastic extruders have poor mixing effect on plastic raw materials at high temperatures, resulting in poor plastic quality. The collision between the spiral rod and the inner wall of the sleeve reduces the service life of the machine and affects the production efficiency of the production line.

Method used

A plastic raw material extrusion device is designed, including components such as a stirring mechanism, heating plate, thermal discharge pipe and wear-resistant ring. The agitator drives the stirring plate to stir the raw materials through the first motor to ensure full mixing; the second heating plate heats the raw materials to prevent cooling and solidification; the thermal discharge pipe is cooled down and fixed by cooling water; the wear-resistant ring and the connecting plate prevent direct contact of the spiral rod and the inner wall of the sleeve.

Benefits of technology

By fully mixing raw materials, the quality and yield of the plastic are improved; by preventing direct contact between the spiral rod and the inner wall of the sleeve, the service life of the machine is extended and the production efficiency is improved.

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    Figure CN222554190U_ABST
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Abstract

The utility model relates to the technical field of plastic extruders, in particular to a plastic raw material extrusion device which is characterized in that a first motor and a feed port are arranged on the upper surface of a stirring mechanism, and a first heating plate is arranged on the inner wall of the stirring mechanism; cooling pools, water pumps and second motors are arranged on the upper surface of the base; a second heating plate is arranged on the inner wall of the sleeve; the plastic mixing device has the beneficial effects that a rotating shaft of a first motor drives a rotating shaft and a stirring plate to rotate, the stirring plate stirs fed raw materials to fully mix the raw materials, and the situation that produced plastic is unqualified due to non-uniform mixing of the raw materials is avoided; a second motor drives a screw rod to rotate to convey the plastic to a heat-conducting discharge pipe, a wear-resistant ring and a connecting plate on the screw rod can support the screw rod to effectively prevent the screw rod from directly contacting with the inner wall of the sleeve to generate collision, and the service life of the machine is prolonged.
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Description

Technical Field

[0001] The utility model relates to the field of plastic extruders, in particular to a plastic raw material extrusion device. Background Art

[0002] Plastic refers to a plastic material with high molecular weight synthetic resin as the main component, with appropriate additives such as plasticizers, stabilizers, antioxidants, flame retardants, colorants, etc., processed and formed, or a rigid material formed by curing and cross-linking.

[0003] In the prior art, a plastic extruder is required to melt a plastic mixed with various raw materials at high temperature, and the molten plastic is formed into a desired shape when passing through a mold.

[0004] However, the plastic extruder does not mix the raw materials well when producing plastics, resulting in poor quality of the produced plastics, reducing the product yield rate, and the spiral rod on the plastic extruder will collide with the inner wall of the sleeve when rotating, reducing the service life of the plastic extruder, thereby affecting the production efficiency of the production line. Utility Model Content

[0005] The purpose of the utility model is to provide a plastic raw material extrusion device to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a plastic raw material extrusion device, which includes: a stirring mechanism, a first motor and a feed port are arranged on the upper surface of the stirring mechanism, a feed pipe is arranged on the lower surface of the stirring mechanism, and a first heating plate is arranged on the inner wall of the stirring mechanism; a cooling pool, a water pump and a second motor are arranged on the upper surface of the base; a second heating plate is arranged on the inner wall of the sleeve, and a heat-conducting discharge pipe is arranged at one end of the sleeve close to the cooling pool.

[0007] Preferably, the transmission shaft of the first motor passes through the bearing arranged on the upper surface of the stirring mechanism and is fixedly connected to the upper surface of the rotating shaft.

[0008] Preferably, the transmission shaft of the first motor passes through the bearing arranged on the upper surface of the stirring mechanism and is fixedly connected to the upper surface of the rotating shaft.

[0009] Preferably, the second motor is connected to a spiral rod through a bearing arranged on one end of the sleeve away from the cooling pool.

[0010] Preferably, the heat-conducting discharge pipe runs through the entire cooling pool.

[0011] Preferably, the rotating shaft is in a cylindrical structure, and a plurality of stirring plates are fixedly connected to the rotating shaft, and the stirring plates are in a square plate-like structure.

[0012] Preferably, a notch is provided at the other end of the spiral rod, and the notch is an annular plate structure, and the wear-resistant ring can be inserted into the notch. A plurality of connecting plates are provided on the wear-resistant ring, and the other end of the connecting plate is fixedly connected to the inner wall of the sleeve.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] In the plastic raw material extrusion device proposed by the utility model, a worker puts the raw materials for preparing plastic into the feed port, a first motor rotating shaft drives the rotating shaft and the stirring plate to rotate, the stirring plate stirs the put-in raw materials, the raw materials can be fully mixed, and the unqualified plastics produced are avoided due to uneven mixing of the raw materials, the raw materials after preliminary processing and stirring enter the sleeve along the feeding pipe, the second heating plate in the sleeve heats the raw materials, the second heating plate can prevent the melted plastic from being overcooled and solidified into solid plastic, resulting in a decrease in the yield rate of the produced products, the second motor drives the spiral rod to rotate, cooperates with the wear-resistant ring and the connecting plate in the notch, the wear-resistant ring and the connecting plate can support the spiral rod to avoid direct contact and collision between the spiral rod and the inner wall of the sleeve, thereby reducing the service life of the machine, the spiral rod rotates to transport the plastic to the heat-conducting discharge pipe, when passing through the heat-conducting discharge pipe, the heat of the melted plastic is conducted through the heat-conducting discharge pipe and absorbed by the cooling water, thereby cooling and shaping the plastic, the water pump cooperates with the water outlet on the cooling pool to continuously circulate the cooling water in the cooling pool, thereby avoiding the excessive temperature of the cooling pool and affecting the cooling of the plastic. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 It is a side view schematic diagram of the structure of the utility model;

[0017] Figure 3 It is a schematic diagram of the structural section of the utility model;

[0018] Figure 4 for Figure 3 The enlarged structural diagram at A in the middle;

[0019] Figure 5 for Figure 3 Enlarged structural diagram at B in the middle.

[0020] In the figure: 1, stirring mechanism; 2, base; 3, sleeve; 4, first motor; 5, feed pipe; 6, rotating shaft; 7, stirring plate; 8, first heating plate; 9, cooling tank; 10, water pump; 11, second motor;

[0021] 12. Feeding port; 13. Heat-conducting discharge pipe; 14. Screw rod; 15. Second heating plate; 16. Notch;

[0022] 17. Connecting plate; 18. Wear-resistant ring. DETAILED DESCRIPTION

[0023] In order to make the purpose and technical solution of the utility model clearly and completely described, and the advantages more clearly understood, the embodiments of the utility model are further described in detail in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are part of the embodiments of the utility model, not all of the embodiments, and are only used to explain the embodiments of the utility model, and are not used to limit the embodiments of the utility model. All other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] Embodiment 1

[0025] See also Figure 1-Figure 5 The utility model provides a technical solution: a plastic raw material extrusion device, the plastic raw material extrusion device comprising: a stirring mechanism 1, the upper surface of the stirring mechanism 1 is provided with a first motor 4 and a feed port 12, the lower surface of the stirring mechanism 1 is provided with a feed pipe 5, and the inner wall of the stirring mechanism 1 is provided with a first heating plate 8; a base 2, the upper surface of the base 2 is provided with a cooling pool 9, a water pump 10 and a second motor 11; a sleeve 3, the inner wall of the sleeve 3 is provided with a second heating plate 15, and the end of the sleeve 3 close to the cooling pool 9 is provided with a heat conduction discharge pipe 13;

[0026] During specific use, the first motor 4 on the stirring mechanism 1 and the first heating plate 8 arranged on the inner wall of the stirring mechanism 1 are started, the second motor 11 and the second heating plate 15 are started, and the water pump 10 is started. The staff puts the raw materials for preparing the plastic into the feed port 12, and the rotating shaft of the first motor 4 drives the rotating shaft 6 and the stirring plate 7 to rotate to stir the input raw materials. The raw materials that have been preliminarily heated and stirred enter the sleeve 3 along the feed pipe 5. The second heating plate 15 heats the raw materials and conveys them to the heat conduction discharge pipe 13 through the screw rod 14. When passing through the heat conduction discharge pipe 13, the heat of the melted plastic is discharged through the heat conduction discharge pipe 13 and absorbed by the cooling water, thereby cooling and shaping the plastic.

[0027] Embodiment 2

[0028] On the basis of the first embodiment, in order to prevent the uneven distribution of materials during the production of plastics, resulting in unqualified plastics, a first motor 4 is provided, the transmission shaft of the first motor 4 passes through the bearing provided on the upper surface of the stirring mechanism 1 and is fixedly connected to the upper surface of the rotating shaft 6, the feeding pipe 5 passes through the outer wall of the sleeve 3 and the second heating plate 15 and is connected to the sleeve 3, the second motor 11 passes through the bearing provided on the end of the sleeve 3 away from the cooling pool 9 and is connected to the spiral rod 14, the heat conduction discharge pipe 13 passes through the entire cooling pool 9, the rotating shaft 6 is a cylindrical structure, and a plurality of stirring plates 7 are fixedly connected to the rotating shaft 6, and the stirring plates 7 are square plate-shaped structures;

[0029] During specific use, the staff puts the raw materials for preparing the plastic into the feed port 12, the rotating shaft of the first motor 4 drives the rotating shaft 6 and the stirring plate 7 to rotate, and the stirring plate 7 stirs the input raw materials to fully mix the raw materials, thereby avoiding the unqualified plastic produced due to uneven mixing of the raw materials. The raw materials that have been initially processed and stirred enter the sleeve 3 along the feed pipe 5, and the second heating plate 15 in the sleeve 3 heats the raw materials and conveys them to the heat-conducting discharge pipe 13 through the screw rod 14. The second heating plate 15 can prevent the melted plastic from excessively cooling and solidifying into solid plastic, which leads to a decrease in the yield rate of the produced products.

[0030] Embodiment 3

[0031] On the basis of the second embodiment, in order to prevent the spiral rod 14 from rubbing against the sleeve 3 during use and reducing the service life of the machine, a spiral rod 14 is provided, and a notch 16 is provided at the other end of the spiral rod 14. The notch 16 is an annular plate structure, and the wear-resistant ring 18 can be inserted into the notch 16. A plurality of connecting plates 17 are provided on the wear-resistant ring 18, and the other end of the connecting plate 17 is fixedly connected to the inner wall of the sleeve 3;

[0032] During specific use, the screw rod 14 rotates, cooperating with the wear-resistant ring 18 and the connecting plate 17 in the groove 16. The wear-resistant ring 18 and the connecting plate 17 can support the screw rod 14 to prevent the screw rod 14 from directly contacting and colliding with the inner wall of the sleeve 3, thereby improving the service life of the machine. It can also prevent the screw rod 14 from colliding with the inner wall of the sleeve 3 to produce debris falling into the molten plastic, thereby affecting the quality of the produced plastic.

[0033] In actual use, the staff puts the raw materials for preparing the plastic into the feed port 12, the first motor 4 rotates the shaft to drive the shaft 6 and the stirring plate 7 to rotate, and the stirring plate 7 stirs the input raw materials to fully mix the raw materials, thereby avoiding the unqualified plastic produced due to uneven mixing of the raw materials. The raw materials after preliminary processing and stirring enter the sleeve 3 along the feed pipe 5, and the second heating plate 15 in the sleeve 3 heats the raw materials. The second heating plate 15 can prevent the melted plastic from overcooling and solidifying into solid plastic, resulting in a decrease in the yield rate of the produced product. The second motor 11 drives the screw rod 1 4 rotates, cooperates with the wear-resistant ring 18 and the connecting plate 17 in the notch 16, the wear-resistant ring 18 and the connecting plate 17 can support the screw rod 14 to prevent the screw rod 14 from directly contacting and colliding with the inner wall of the sleeve 3, thereby reducing the service life of the machine. The screw rod 14 rotates to transport the plastic to the heat-conducting discharge pipe 13. When passing through the heat-conducting discharge pipe 13, the heat of the melted plastic is discharged through the heat-conducting discharge pipe 13 and absorbed by the cooling water, thereby cooling and shaping the plastic. The water pump 10 cooperates with the water outlet on the cooling pool 9 to continuously circulate the cooling water in the cooling pool 9 to prevent the temperature of the cooling pool 9 from being too high and thus affecting the cooling of the plastic.

[0034] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A plastic raw material extrusion device, characterized in that: The plastic raw material extrusion device comprises: a stirring mechanism (1), a first motor (4) and a feed port (12) are arranged on the upper surface of the stirring mechanism (1), a feed pipe (5) is arranged on the lower surface of the stirring mechanism (1), and a first heating plate (8) is arranged on the inner wall of the stirring mechanism (1); A base (2), wherein a cooling pool (9), a water pump (10) and a second motor (11) are arranged on the upper surface of the base (2); The sleeve (3) has a second heating plate (15) disposed on its inner wall, and a heat-conducting discharge pipe (13) disposed at one end of the sleeve (3) close to the cooling pool (9).

2. A plastic material extrusion device according to claim 1, characterized in that: The transmission shaft of the first motor (4) passes through a bearing provided on the upper surface of the stirring mechanism (1) and is fixedly connected to the upper surface of the rotating shaft (6).

3. A plastic material extrusion device according to claim 1, characterized in that: The material delivery pipe (5) passes through the outer wall of the sleeve (3) and the second heating plate (15) and is connected to the inside of the sleeve (3).

4. A plastic material extrusion device according to claim 1, characterized in that: The second motor (11) passes through the sleeve (3) and is arranged on one end away from the cooling pool (9) and is connected to the screw rod (14).

5. A plastic material extrusion device according to claim 1, characterized in that: The heat conduction discharge pipe (13) runs through the entire cooling pool (9).

6. A plastic material extrusion device according to claim 2, characterized in that: The rotating shaft (6) is in the form of a cylindrical structure, and a plurality of stirring plates (7) are fixedly connected to the rotating shaft (6), and the stirring plates (7) are in the form of a square plate.

7. A plastic material extrusion device according to claim 4, characterized in that: The other end of the spiral rod (14) is provided with a notch (16), which is an annular plate-shaped structure, and the wear-resistant ring (18) can be inserted into the notch (16). The wear-resistant ring (18) is provided with a plurality of connecting plates (17), and the other end of the connecting plate (17) is fixedly connected to the inner wall of the sleeve (3).