Plastic roll film extruder convenient for feeding
By designing a spiral feeder, limiting block, and filter screen, the problems of feeding interruption and poor limiting in plastic roll film extruders are solved, achieving stable feeding, filtration, and efficient extrusion and winding.
Patent Information
- Application Number
- CN202423068150.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-12
- Publication Date
- 2025-11-04
- Estimated Expiration
- 2034-12-12
AI Technical Summary
Plastic roll extruders are prone to interruptions during the feeding process, affecting the extrusion effect, and the extrusion box has poor limiting effect, resulting in material overflow.
The system employs a spiral feed rod driven by a motor, combined with a limit block and filter plate structure to ensure stable feeding and filtration. Multiple motors drive the extrusion roller and take-up roller to improve extrusion and winding efficiency.
It improves the feeding stability and extrusion effect of plastic roll extruders, reduces material overflow, and enhances filtration and winding capabilities.
Smart Images
Figure CN223507635U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of plastic roll film processing technology, specifically to a plastic roll film extruder that facilitates material feeding. Background Technology
[0002] Plastic roll film is a packaging film supplied in rolls, mainly used in the packaging industry. Plastic film is mainly made of polyvinyl chloride, polyethylene, polypropylene, polystyrene and other resins. It is used for packaging and as a coating layer. They are widely used in food, medicine, chemical and other fields. It uses high polymer synthetic materials as the main raw materials, and after being mixed with other auxiliary materials in a certain proportion, it is formed on plastic molding machinery.
[0003] Therefore, plastic roll extruders are needed to complete the processing and production process. After the plastic material is processed, it is extruded to obtain the corresponding plastic roll. During the operation of the extruder, it is necessary to feed the material in a timely manner. If the feeding is interrupted, it will easily affect the extrusion effect. At the same time, if the limiting effect in the extrusion box is poor, it is also easy to cause material overflow, which will affect the extrusion effect. Utility Model Content
[0004] The purpose of this utility model is to provide a plastic roll film extruder that facilitates material feeding, in order to solve the problems mentioned in the background art, such as the need for timely material feeding during the operation of the extruder, the impact on the extrusion effect if the feeding is interrupted, and the poor limiting effect in the extrusion box, which can also lead to material overflow and affect the extrusion effect.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a plastic roll film extruder for easy feeding, comprising a base plate, an extrusion box, a support frame, and a feeding box. A spiral feeding rod is installed inside the feeding box. An inlet is installed on one side of the top of the feeding box. A second motor is installed on one side of the feeding box. An outlet is installed on one side of the bottom of the feeding box. First limiting blocks are fixed on both sides of the bottom inside the extrusion box. Second limiting blocks are installed on both sides of the inside of the extrusion box. A feeding port is installed at the top of the extrusion box. Arc-shaped plates are installed on both sides of the inner wall of the feeding port. A positioning post is fixed to the top of the arc-shaped plates.
[0006] Preferably, the bottom of the inlet is connected to the interior of the feeding box, and the top of the outlet is connected to the interior of the feeding box.
[0007] Preferably, the second limiting block is symmetrically distributed about the central axis of the extrusion box, the first limiting block is symmetrically distributed about the central axis of the extrusion box, and a circular groove is formed in the second limiting block.
[0008] Preferably, the arc-shaped plates are symmetrically distributed about the central axis of the feed port, a filter plate is connected to the outside of the positioning post, the filter plate has mounting slots on both sides, and a locking nut is fixed to the outer side wall of the top of the positioning post.
[0009] Preferably, the mounting slots are symmetrically distributed about the central axis of the filter plate, and the outer side wall of the top of the positioning post forms a threaded connection with the locking nut.
[0010] Preferably, a third motor is installed on the front end of the extrusion box, an extrusion port is installed at the bottom end of the extrusion box, and an extrusion roller is installed inside the extrusion box.
[0011] Preferably, two sets of extrusion rollers are installed inside the extrusion box, and the top of the extrusion port is in communication with the inside of the extrusion box.
[0012] Preferably, an mounting plate is installed at the front and rear positions below the extrusion port on the top of the base plate, a receiving roller is provided between the mounting plates, and limit plates are installed at the front and rear ends of the receiving roller. One end of the limit plate is connected to a connecting shaft, and a first motor is installed on one end face of the mounting plate.
[0013] Compared with the prior art, the beneficial effects of this utility model are: this kind of plastic roll film extruder that is easy to feed not only improves the extrusion effect, but also improves the winding capacity and feeding filtration capacity of the plastic roll film extruder.
[0014] (1) By using a support frame to support the extrusion box, feeding box and other positions, the plastic raw material is fed at the inlet. After the material reaches the inside of the feeding box, the second motor can be started to drive the spiral feeding rod to rotate. Therefore, the spiral feeding rod can feed the material. After the material passes through the outlet and the feeding port, it reaches the inside of the extrusion box. The third motor is started to drive the extrusion roller to rotate. Therefore, the raw material is extruded by the two extrusion rollers. During the operation, the first limit block and the second limit block can be used to limit the side of the material. Therefore, the overall extrusion effect is improved in the operation.
[0015] (2) By installing the mounting plate on the top of the base plate, the connection and installation of the limiting plate is completed by the connecting shaft between the mounting plates. The limiting plates are connected by the take-up roller, so the take-up roller can be used for winding. After the material is discharged from the extrusion port, the first motor can be started to drive the take-up roller to rotate, thereby improving the overall winding capacity.
[0016] (3) By installing and fixing the arc plate on both sides inside the feed port, and then inserting the positioning column through the slot, the assembly of the filter plate is completed. Then, the locking nut is used to lock the thread at the outer position of the top of the positioning column, thereby improving the overall filtration capacity during operation. Attached Figure Description
[0017] Figure 1 This is a schematic diagram of the main structure of this utility model;
[0018] Figure 2 This is a front view structural diagram of the present utility model;
[0019] Figure 3 This is a side view of the receiving roller structure of this utility model;
[0020] Figure 4 This is a partial frontal cross-sectional view of the feed port structure of this utility model.
[0021] In the diagram: 1. Base plate; 2. Mounting plate; 3. First motor; 4. Limiting plate; 5. Extrusion box; 6. Support frame; 7. First limiting block; 8. Second limiting block; 9. Feed port; 10. Second motor; 11. Discharge port; 12. Feeding box; 13. Spiral feed rod; 14. Feed inlet; 15. Extrusion roller; 16. Circular groove; 17. Extrusion outlet; 18. Third motor; 19. Take-up roller; 20. Connecting shaft; 21. Filter screen plate; 22. Locking nut; 23. Positioning post; 24. Arc plate; 25. Mounting slot. Detailed Implementation
[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0023] Please see Figure 1-4 The present invention provides an embodiment of a plastic roll film extruder that facilitates material feeding, comprising a base plate 1, an extrusion box 5, a support frame 6, and a feeding box 12. A spiral feeding rod 13 is installed inside the feeding box 12. An inlet 14 is installed on one side of the top of the feeding box 12. A second motor 10 is installed on one side of the feeding box 12. An outlet 11 is installed on one side of the bottom of the feeding box 12. First limiting blocks 7 are fixed on both sides of the bottom inside the extrusion box 5. Second limiting blocks 8 are installed on both sides of the inside of the extrusion box 5. A feeding port 9 is installed at the top of the extrusion box 5. Arc-shaped plates 24 are installed on both sides of the inner wall of the feeding port 9. A positioning post 23 is fixed on the top of the arc-shaped plate 24.
[0024] The bottom of the feed inlet 14 is connected to the interior of the feed box 12, and the top of the discharge outlet 11 is connected to the interior of the feed box 12.
[0025] The second limiting block 8 is symmetrically distributed about the central axis of the extrusion box 5, and the first limiting block 7 is symmetrically distributed about the central axis of the extrusion box 5. A circular groove 16 is provided inside the second limiting block 8.
[0026] The arc-shaped plates 24 are symmetrically distributed about the central axis of the feed port 9. The external of the positioning post 23 is connected to the filter plate 21. The filter plate 21 has mounting slots 25 on both sides. The outer side wall of the top of the positioning post 23 is fixed with a locking nut 22.
[0027] The mounting slots 25 are symmetrically distributed about the central axis of the filter plate 21, and the outer wall of the top of the positioning post 23 is threadedly connected to the locking nut 22.
[0028] A third motor 18 is installed on the front end of the extrusion box 5, an extrusion port 17 is installed at the bottom end of the extrusion box 5, and an extrusion roller 15 is installed inside the extrusion box 5.
[0029] Two sets of extrusion rollers 15 are installed inside the extrusion box 5, and the top of the extrusion port 17 is connected to the inside of the extrusion box 5.
[0030] A mounting plate 2 is installed at the front and rear positions below the extrusion port 17 on the top of the base plate 1. A receiving roller 19 is provided between the mounting plates 2. Limiting plates 4 are installed at the front and rear ends of the receiving roller 19. A connecting shaft 20 is connected to one end of the limiting plate 4. A first motor 3 is installed on the end face of one mounting plate 2.
[0031] Furthermore, two sets of third motors 18 are installed on the front end face of the extrusion box 5, so that the output of one third motor 18 drives one extrusion roller 15 to rotate;
[0032] Furthermore, a circular groove 16 is provided in the second limiting block 8. The curvature of the circular groove 16 is greater than that of the extrusion roller 15, so as not to affect the normal movement of the extrusion roller 15.
[0033] Working principle: First, the arc plate 24 is installed and fixed on both sides inside the feeding port 9. Then, the positioning post 23 is inserted through the slot 25 to complete the assembly of the filter plate 21. Then, the locking nut 22 is used to lock the top of the positioning post 23. The plastic raw material is fed into the feeding port 14. After the material reaches the inside of the feeding box 12, the second motor 10 can be started to drive the spiral feeding rod 13 to rotate. The spiral feeding rod 13 can then feed the material. After the material passes through the discharge port 11 and the feeding port 9, it reaches the inside of the extrusion box 5. The third motor 18 is started to drive the extrusion roller 15 to rotate. The raw material is extruded by the two extrusion rollers 15. During operation, the first limiting block 7 and the second limiting block 8 are used to limit the side. The extruded plastic film is then wound up at the take-up roller 19.
[0034] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.
Claims
1. A plastic roll film extruder for easy feeding, comprising a base plate (1), an extrusion box (5), a support frame (6), and a feeding box (12), characterized in that: The feeding box (12) is equipped with a spiral feeding rod (13) inside. The feeding box (12) is equipped with a feed inlet (14) on one side of the top. The feeding box (12) is equipped with a second motor (10) on one side. The feeding box (12) is equipped with a discharge port (11) on one side of the bottom. The extrusion box (5) is equipped with a first limiting block (7) on both sides of the bottom inside. The extrusion box (5) is equipped with a second limiting block (8) on both sides inside. The extrusion box (5) is equipped with a feeding port (9) at the top. The feeding port (9) is equipped with an arc plate (24) on both sides of the inner wall of the feeding port (9). The arc plate (24) is equipped with a positioning post (23) on the top.
2. The plastic roll extruder for easy feeding according to claim 1, characterized in that: The bottom of the feed inlet (14) is connected to the interior of the feeding box (12), and the top of the discharge port (11) is connected to the interior of the feeding box (12).
3. The plastic roll extruder for easy feeding according to claim 1, characterized in that: The second limiting block (8) is symmetrically distributed about the central axis of the extrusion box (5), the first limiting block (7) is symmetrically distributed about the central axis of the extrusion box (5), and a circular groove (16) is provided in the second limiting block (8).
4. The plastic roll extruder for easy feeding according to claim 1, characterized in that: The arc-shaped plate (24) is symmetrically distributed about the central axis of the feed port (9). The external of the positioning post (23) is connected to the filter plate (21). The filter plate (21) has mounting slots (25) on both sides. The outer side wall of the top of the positioning post (23) is fixed with a locking nut (22).
5. A plastic roll extruder for easy feeding according to claim 4, characterized in that: The mounting slots (25) are symmetrically distributed about the central axis of the filter plate (21), and the outer side wall of the top of the positioning post (23) forms a threaded connection with the locking nut (22).
6. A plastic roll film extruder for easy feeding according to claim 1, characterized in that: A third motor (18) is installed on the front end of the extrusion box (5), an extrusion port (17) is installed at the bottom end of the extrusion box (5), and an extrusion roller (15) is installed inside the extrusion box (5).
7. A plastic roll extruder for easy feeding according to claim 6, characterized in that: Two sets of extrusion rollers (15) are installed inside the extrusion box (5), and the top of the extrusion port (17) is connected to the inside of the extrusion box (5).
8. A plastic roll extruder for easy feeding according to claim 1, characterized in that: The top of the base plate (1) is equipped with an installation plate (2) at the front and rear positions below the extrusion port (17). A receiving roller (19) is provided between the installation plates (2). Limiting plates (4) are installed at the front and rear ends of the receiving roller (19). A connecting shaft (20) is connected to one end of the limiting plate (4). A first motor (3) is installed on one end face of the installation plate (2).