Multilayer composite film coextrusion casting apparatus

Abstract

The utility model relates to coextrusion casting equipment technical field provides multilayer composite film coextrusion casting equipment, including main part and fixed casting roll, the inside installation of main part has fixed casting roll, the inside even of fixed casting roll one side main part is provided with adjusting structure, the one side installation of main part has the traction stick, the upper portion of fixed casting roll is provided with extrusion structure, the utility model discloses the adjusting structure is provided with, and the inside rotation of adjusting screw rod is made in the sliding slot by starting adjusting motor, and adjusting screw rod is connected with fixed block in screw thread, and then makes fixed block move on the outer wall of adjusting screw rod and drives mobile casting roll to move in the inside of main part to change the distance between mobile casting roll and fixed casting roll, thereby reaches the purpose that the interval of casting roll is conveniently adjusted to satisfy different composite film production demand.

Description

Technical Field

[0001] This utility model relates to the field of co-extrusion casting equipment technology, and in particular to multilayer composite film co-extrusion casting equipment. Background Technology

[0002] Multilayer composite films achieve comprehensive performance that cannot be achieved by combining different materials, thereby improving their performance. They are widely used in high-end packaging, electronics, medical, and agricultural fields. However, co-extrusion casting equipment is required for their production.

[0003] Traditional co-extrusion casting equipment is difficult to quickly produce composite films with different numbers of layers and thicknesses, which limits its practical application. Utility Model Content

[0004] The purpose of this invention is to provide a multilayer composite film co-extrusion casting equipment to solve the problem of poor production efficiency of existing composite film co-extrusion casting equipment.

[0005] To solve the above-mentioned technical problems, this utility model provides the following technical solution: a multilayer composite film co-extrusion casting equipment, including a main body and a fixed casting roller;

[0006] A fixed casting roller is installed on the inner side of the main body, and an adjustment structure is evenly provided inside the main body on one side of the fixed casting roller;

[0007] A traction roller is installed on one side of the main body, and an extrusion structure is provided above the fixed casting roller;

[0008] The extrusion structure includes a mounting frame disposed above the main body. An extruder main body is evenly disposed on the outer side of the mounting frame. A feeding seat is installed on one side of the extruder main body. A co-extrusion die head is disposed on one side of the feeding seat. A fastening bolt passes through one side of the feeding seat. A reserved groove is evenly opened on the outer side of the co-extrusion die head. A filter plate is disposed inside the reserved groove.

[0009] Preferably, the adjustment structure includes a groove formed inside the main body on one side of the fixed casting roller, a movable casting roller is provided inside the groove, and fixed blocks are fixed on both sides of the movable casting roller. An adjustment screw passes through the inside of the groove, and an adjustment motor is provided on one side of the adjustment screw.

[0010] Preferably, the fixing blocks are all disposed inside the chute, and the movable casting roller and the chute are slidably connected through the fixing blocks.

[0011] Preferably, the adjusting screws all pass through the interior of the fixed block, and the adjusting screws are threadedly connected to the fixed block.

[0012] Preferably, the extruder body is evenly distributed on the outside of the mounting frame, and the co-extrusion die is located directly above the body.

[0013] Preferably, all the fastening bolts extend into the interior of the co-extrusion die, and the fastening bolts are threadedly connected to the co-extrusion die.

[0014] Preferably, the diameter of the reserved groove is equal to that of the filter plate, and the filter plate and the co-extrusion die head form an engaging structure through the reserved groove.

[0015] The advantages of the multilayer composite film co-extrusion casting equipment provided by this utility model are as follows:

[0016] By setting an adjustment structure, starting the adjustment motor causes the adjustment screw to rotate inside the slide groove. The adjustment screw is threadedly connected to the fixed block, which in turn causes the fixed block to move on the outer wall of the adjustment screw, driving the moving casting roller to move inside the main body to change the distance between the moving casting roller and the fixed casting roller. This achieves the purpose of facilitating the adjustment of the casting roller spacing to meet the production needs of different composite films.

[0017] By incorporating an extrusion structure, the feeding seat on one side of the extruder body abuts against the top of the co-extrusion die, and is installed between the feeding seat and the co-extrusion die through a threaded connection formed by fastening bolts. A reserved groove is provided on one side of the co-extrusion die, and a filter plate is installed inside it to filter the raw materials entering the co-extrusion die. This achieves the purpose of facilitating the assembly and use of the extruder body and filtering the raw materials. Attached Figure Description

[0018] Figure 1 This is a front-view three-dimensional schematic diagram of the present invention;

[0019] Figure 2 This is a top-view three-dimensional schematic diagram of the present invention;

[0020] Figure 3 This is a partial side cross-sectional three-dimensional schematic diagram of the present invention;

[0021] Figure 4 This is a partial three-dimensional schematic diagram of the present invention;

[0022] Figure 5 This is a partial side view three-dimensional schematic diagram of the present invention.

[0023] The reference numerals in the figure are as follows: 1. Main body; 2. Fixed casting roller; 3. Adjustment structure; 301. Slide groove; 302. Moving casting roller; 303. Fixed block; 304. Adjusting screw; 305. Adjusting motor; 4. Traction roller; 5. Extrusion structure; 501. Mounting frame; 502. Extruder main body; 503. Feeding seat; 504. Co-extrusion die head; 505. Fastening bolt; 506. Reserved groove; 507. Filter plate. Detailed Implementation

[0024] 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.

[0025] Please see Figure 1 - Figure 5 The multilayer composite film co-extrusion casting equipment provided by this utility model includes a main body 1 and a fixed casting roller 2.

[0026] Reference Figure 1 - Figure 3 As shown, a fixed casting roller 2 is installed on the inner side of the main body 1. An adjustment structure 3 is evenly provided inside the main body 1 on one side of the fixed casting roller 2. The adjustment structure 3 includes a groove 301 opened inside the main body 1 on one side of the fixed casting roller 2. A movable casting roller 302 is provided inside the groove 301. Fixed blocks 303 are fixed on both sides of the movable casting roller 302. An adjustment screw 304 passes through the inside of the groove 301. An adjustment motor 305 is provided on one side of the adjustment screw 304. The fixed blocks 303 are all located inside the groove 301. The movable casting roller 302 and the groove 301 are slidably connected through the fixed blocks 303. The adjustment screw 304 passes through the inside of the fixed blocks 303. The adjustment screw 304 and the fixed blocks 303 are threadedly connected.

[0027] In the process of producing composite films, co-extrusion casting equipment is used. To meet the production requirements of composite films of different thicknesses, it is necessary to adjust the distance between the two sets of casting rollers. By setting an adjustment structure 3, the moving casting roller 302 slides inside the slide groove 301 through the fixed block 303, and the adjusting screw 304 is threadedly connected to the fixed block 303. Then, by starting the two sets of adjusting motors 305, the adjusting screw 304 rotates inside the slide groove 301, thereby moving the moving casting roller 302 inside the main body 1 to change the distance, which greatly increases the practicality of the device.

[0028] Reference Figure 1 , Figure 2 , Figure 4 and Figure 5 As shown, a traction rod 4 is installed on one side of the main body 1, and an extrusion structure 5 is provided above the fixed casting roller 2. The extrusion structure 5 includes a mounting frame 501 located above the main body 1. An extruder body 502 is evenly arranged on the outer side of the mounting frame 501. A feeding seat 503 is installed on one side of the extruder body 502. A co-extrusion die 504 is provided on one side of the feeding seat 503. Fastening bolts 505 penetrate one side of the feeding seat 503. Pre-extrusion die 504 is evenly opened on the outer side of the co-extrusion die 504. The reserved groove 506 and the reserved groove 506 are both equipped with filter plates 507. The extruder body 502 is evenly distributed on the outside of the mounting frame 501. The co-extrusion die 504 is located directly above the body 1. The fastening bolts 505 all extend into the interior of the co-extrusion die 504. The fastening bolts 505 and the co-extrusion die 504 are threadedly connected. The reserved groove 506 and the filter plate 507 have the same diameter. The filter plate 507 and the co-extrusion die 504 form a locking structure through the reserved groove 506.

[0029] To facilitate the installation of different numbers of extruder bodies 502 with varying composite film layers, an extrusion structure 5 is provided. This structure allows the top of the feeding seat 503 on one side of the extruder body 502 to abut against the top of the co-extrusion die 504. The fastening bolts 505 are rotated into the co-extrusion die 504 to limit its movement. A reserved groove 506 is provided inside the co-extrusion die 504 on one side of the feeding seat 503, and a filter plate 507 is installed inside the reserved groove 506. This facilitates the filtration of the fed composite film material, ensuring that it meets the performance requirements of the co-extrusion die 504 and preventing damage to the co-extrusion die 504. This significantly increases the practicality of the device.

[0030] 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 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 the present invention should be included within the protection scope of the present invention.

Claims

1. A multilayer composite film co-extrusion casting equipment, comprising a main body (1) and a fixed casting roll (2); Its features are: A fixed casting roller (2) is installed on the inner side of the main body (1), and an adjustment structure (3) is evenly provided inside the main body (1) on one side of the fixed casting roller (2); A traction rod (4) is installed on one side of the main body (1), and an extrusion structure (5) is provided above the fixed casting roller (2); The extrusion structure (5) includes a mounting frame (501) disposed above the main body (1). An extruder body (502) is uniformly disposed on the outer side of the mounting frame (501). A feeding seat (503) is installed on one side of the extruder body (502). A co-extrusion die (504) is disposed on one side of the feeding seat (503). A fastening bolt (505) passes through one side of the feeding seat (503). A reserved groove (506) is uniformly opened on the outer side of the co-extrusion die (504). A filter plate (507) is disposed inside the reserved groove (506).

2. The multilayer composite film co-extrusion casting equipment according to claim 1, characterized in that: The adjustment structure (3) includes a groove (301) opened inside the main body (1) on one side of the fixed casting roller (2). A movable casting roller (302) is provided inside the groove (301). Fixed blocks (303) are fixed on both sides of the movable casting roller (302). An adjustment screw (304) passes through the inside of the groove (301). An adjustment motor (305) is provided on one side of the adjustment screw (304).

3. The multilayer composite film co-extrusion casting equipment according to claim 2, characterized in that: The fixed blocks (303) are all disposed inside the slide groove (301), and the movable casting roller (302) and the slide groove (301) are slidably connected through the fixed blocks (303).

4. The multilayer composite film co-extrusion casting equipment according to claim 2, characterized in that: The adjusting screws (304) all pass through the interior of the fixed block (303), and the adjusting screws (304) and the fixed block (303) are threadedly connected.

5. The multilayer composite film co-extrusion casting equipment according to claim 1, characterized in that: The extruder body (502) is evenly distributed on the outside of the mounting frame (501), and the co-extrusion die (504) is located directly above the body (1).

6. The multilayer composite film co-extrusion casting equipment according to claim 1, characterized in that: The fastening bolts (505) all extend into the interior of the co-extrusion die (504), and the fastening bolts (505) are threadedly connected to the co-extrusion die (504).

7. The multilayer composite film co-extrusion casting equipment according to claim 1, characterized in that: The reserved groove (506) has the same diameter as the filter plate (507), and the filter plate (507) and the co-extrusion die (504) form a locking structure through the reserved groove (506).

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