Extrusion granulation device for plastic containing hydrotalcite-like compound
By designing an extrusion granulation device for hydrotalcite-like plastics, the combined structure of extrusion pipes and pistons is used to solve the problems of low efficiency, large energy consumption and uneven particle size in the traditional granulation process, achieving efficient and uniform granulation effect, and reducing production costs.
Patent Information
- Application Number
- CN202421509203.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-28
- Publication Date
- 2025-06-24
- Estimated Expiration
- 2034-06-28
AI Technical Summary
In the prior art, the extrusion and granulation process of plastic films containing hydrotalcite has problems such as low efficiency, large energy consumption, and uneven particle size distribution. The traditional device has complex structure, inconvenient operation and high energy consumption.
An extrusion and granulation device containing hydrotalcite-like plastic is designed, including a base, a first support plate, an extrusion pipe, a baffle, a through hole, a first piston and a first telescopic rod, etc., extrude the plastic material into the extrusion pipe through the reciprocating movement of the first piston to form particles, and accurately control the amount of material through the feed pipe and the second piston to prevent material from overflowing.
An efficient and uniform granulation process is achieved, ensuring the continuity and stability of granulation, preventing material overflow, reducing production costs and maintenance difficulties, and having strong versatility.
Smart Images

Figure CN223013621U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of engineering equipment, and particularly relates to an extrusion granulation device for plastics containing hydrotalcite-like compounds. Background Art
[0002] In the fields of materials science and chemical engineering, hydrotalcite-like compounds, as additives with special properties, show extensive application potential in multiple industrial fields such as catalysts, medicine, and film manufacturing. However, in the preparation process of plastic films containing additives such as hydrotalcite-like compounds, especially in the granulation stage, traditional preparation methods often have problems such as low efficiency, high energy consumption, and uneven particle size distribution. In existing extrusion granulation devices, although some designs can achieve the extrusion and granulation of materials, they often have problems such as complex structure, inconvenient operation, and high energy consumption. Summary of the Utility Model
[0003] In order to solve the problems existing in the above-mentioned prior art, the utility model provides an extrusion granulation device for plastics containing hydrotalcite-like compounds to solve the current technical problems.
[0004] The technical solution adopted by the utility model to solve its technical problems is as follows:
[0005] The utility model provides an extrusion granulation device for plastics containing hydrotalcite-like compounds, including: a base, a first support plate is arranged on the base, an extrusion pipe is arranged on the first support plate, a baffle is arranged at the front end of the extrusion pipe, and a plurality of through holes for granulation are arranged on the baffle.
[0006] Preferably, a first piston is arranged in the extrusion pipe, a first telescopic rod is connected to the first piston, and the first telescopic rod is connected to a second support plate.
[0007] Preferably, the second support plate is arranged on the base, and a third support plate is connected to the second support plate.
[0008] Preferably, a feed pipe is connected to the extrusion pipe, and a feed hopper is arranged at the upper end of the feed pipe.
[0009] Preferably, a second piston is arranged on the feed pipe, a second telescopic rod is connected to the second piston, and the second telescopic rod is connected to the third support plate.
[0010] Preferably, a retaining ring is arranged inside the feed pipe, and the retaining ring is connected to the inner wall of the feed pipe.
[0011] Preferably, a check valve plate is relatively movably arranged inside the feed pipe, a tension spring is connected to the check valve plate, the tension spring is connected to a connecting rod, and the connecting rod is arranged inside the feed pipe.
[0012] Preferably, the inner diameter of the retaining ring is smaller than the outer diameter of the check valve plate. When the device is not subject to external force, the check valve plate is pressed against the retaining ring due to the tension of the tension spring, forming a one-way valve, whose function is to prevent the material from overflowing from the feed pipe when the first piston extrudes for granulation.
[0013] The beneficial effects of the present utility model are as follows:
[0014] Efficient extrusion granulation: Through the reciprocating movement of the first piston in the extrusion pipe, the plastic material containing hydrotalcite-like can be effectively extruded and form particles through the through holes on the baffle, realizing an efficient and uniform granulation process.
[0015] Precise material control: The feed pipe and the second piston provided in the device can precisely control the amount of material entering the extrusion pipe through the adjustment of the second telescopic rod, thereby ensuring the continuity and stability of granulation.
[0016] Prevent material overflow: The one-way valve structure formed by the check valve plate and the retaining ring provided in the feed pipe effectively prevents the material from overflowing from the feed pipe during the extrusion granulation process, ensuring the cleanliness of the working environment and the safety of production.
[0017] Compact structure and simple operation: The whole device has a compact structure, the connection between components is simple and clear, and the operation is simple, reducing the production cost and maintenance difficulty.
[0018] Wide applicability: Although the device is designed for plastics containing hydrotalcite-like, its working principle and structural characteristics also make it applicable to the extrusion granulation of other similar materials, with strong versatility and adaptability. Description of the Drawings
[0019] The above aspects and advantages of the present utility model will become obvious and easy to understand from the description of the embodiments in conjunction with the following drawings, where:
[0020] Figure 1 is a schematic structural diagram of the extrusion granulation device for plastics containing hydrotalcite-like in the embodiment of the present utility model;
[0021] Figure 2 is a schematic structural diagram of the extrusion granulation device for plastics containing hydrotalcite-like in the embodiment of the present utility model;
[0022] Figure 3 is a schematic structural diagram of the extrusion granulation device for plastics containing hydrotalcite-like in the embodiment of the present utility model.
[0023] Description of the Reference Numerals
[0024] In Figures 1 - 3Among them, base 1; first support plate 2; extrusion pipe 3; first telescopic rod 4; second support plate 5; third support plate 6; second telescopic rod 7; second piston 8; funnel 9; feed pipe 10; baffle 11; first piston 12; check valve plate 13; tension spring 14; connecting rod 15; retaining ring 16. Detailed implementation manner
[0025] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
[0026] The present invention provides an extrusion granulation device for plastics containing hydrotalcite-like compounds, including: base 1, a first support plate 2 is arranged on the base 1, an extrusion pipe 3 is arranged on the first support plate 2, a baffle 11 is arranged at the front end of the extrusion pipe 3, and a number of through holes for granulation are arranged on the baffle 11. The base 1, the first support plate 2, the second support plate 5 and the third support plate 6 are all metal plates, the extrusion pipe 3 and the feed pipe 10 are both metal pipes, and the baffle 11 is also a metal plate.
[0027] A first piston 12 is arranged in the extrusion pipe 3, a first telescopic rod 4 is connected to the first piston 12, the first telescopic rod 4 is connected to the second support plate 5, the first piston 12 and the second piston 8 are also both metal pistons, and the first telescopic rod 4 and the second telescopic rod 7 can use electric telescopic rods, cylinders or hydraulic rods. It is recommended to choose hydraulic rods.
[0028] The second support plate 5 is arranged on the base 1, and a third support plate 6 is connected to the second support plate 5.
[0029] The extrusion pipe 3 is connected with a feed pipe 10, and a feed funnel 9 is arranged at the upper end of the feed pipe 10.
[0030] A second piston 8 is arranged on the feed pipe 10, a second telescopic rod 7 is connected to the second piston 8, and the second telescopic rod 7 is connected to the third support plate 6.
[0031] A retaining ring 16 is arranged inside the feed pipe 10, and the retaining ring 16 is connected to the inner wall of the feed pipe 10.
[0032] A check valve plate 13 is relatively movably arranged inside the feed pipe 10, a tension spring 14 is connected to the check valve plate 13, the tension spring 14 is connected to a connecting rod 15, the connecting rod 15 is arranged inside the feed pipe 10, the retaining ring 16 is a metal ring, and the check valve plate 13 is a metal plate.
[0033] The inner diameter of the retaining ring 16 is smaller than the outer diameter of the check valve plate 13. When no external force is applied to the device, the check valve plate 13 is pressed against the retaining ring 16 due to the tensile force of the tension spring 14, forming a one-way valve. Its function is to prevent the material from overflowing from the feed pipe 10 when the first piston 12 extrudes for granulation.
[0034] Through the reciprocating movement of the first piston 12 in the extrusion pipe 3, the plastic material containing hydrotalcite-like can be effectively extruded and form particles through the through holes on the baffle 11, realizing an efficient and uniform granulation process.
[0035] The feed pipe 10 and the second piston 8 provided in the device can precisely control the amount of material entering the extrusion pipe 3 through the adjustment of the second telescopic rod 7, thereby ensuring the continuity and stability of granulation.
[0036] The one-way valve structure formed by the check valve plate 13 and the retaining ring 16 provided in the feed pipe 10 effectively prevents the material from overflowing from the feed pipe 10 during the extrusion granulation process, ensuring the cleanliness of the working environment and the safety of production.
[0037] The whole device has a compact structure, the connection between components is simple and clear, and the operation is convenient, reducing the production cost and maintenance difficulty.
[0038] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.
Claims
1. An extrusion granulation device for a hydrotalcite-like plastic, comprising: The base is characterized in that: a first support plate is arranged on the base, an extrusion pipe is arranged on the first support plate, a baffle is arranged at the front end of the extrusion pipe, and a plurality of through holes for granulation are arranged on the baffle; a first piston is arranged in the extrusion pipe, a first telescopic rod is connected to the first piston, and the first telescopic rod is connected to the second support plate; the second support plate is arranged on the base, and the third support plate is connected to the second support plate.
2. The extrusion granulation device for hydrotalcite-like plastics according to claim 1, characterized in that: The extrusion pipeline is connected with a feeding pipeline, and a feeding funnel is arranged at the upper end of the feeding pipeline.
3. The extrusion granulation device for hydrotalcite-like plastics according to claim 2, characterized in that: The feed pipe is provided with a second piston, the second piston is connected with a second telescopic rod, and the second telescopic rod is connected to the third support plate.
4. The extrusion granulation device for hydrotalcite-like plastics according to claim 2, characterized in that: A retaining ring is arranged inside the feed pipe, and the retaining ring is connected to the inner wall of the feed pipe.
5. The extrusion granulation device for hydrotalcite-like plastics according to claim 4, characterized in that: A check plate is relatively movable inside the feed pipe, a tension spring is connected to the check plate, and the tension spring is connected to a connecting rod, and the connecting rod is arranged in the feed pipe.