Casting machine capable of adjusting thickness of extruded film

Abstract

The utility model belongs to the technical field of cast-film machines, and specifically relates to a cast-film machine capable of adjusting the thickness of an extruded film, comprising a frame, a supporting foot being installed at the top of the frame, an extruder being connected to the top of the frame, a molding machine being connected to the top of the frame, an extension mechanism being connected to the top of the frame, and a guide mechanism being connected to the top of the frame, the extension mechanism comprising an extension roller, an adjustment roller, a fixing plate, a threaded rod, a bearing, a protrusion, a connecting block and a connecting plate, wherein the connecting plate is provided with two ends connected to the extension roller and the adjustment roller. The utility model utilizes the rotation of the threaded rod to drive the adjustment roller to descend, and then adjusts the spacing between the adjustment roller and the extension roller, and then adjusts the thickness of the film to meet the use requirements, and then utilizes a scraper to remove the film residue attached to the surface of the guide roller, so as to prevent the residual film on the guide roller from being attached to the subsequent film, thereby improving the quality of film production.

Description

Technical Field

[0001] The utility model belongs to the technical field of tape casting machines, and in particular relates to a tape casting machine capable of adjusting the thickness of an extruded film. Background Art

[0002] The cast film machine is an experimental machine for high-resolution polymer experiments. It is a non-stretched, non-directional flat extruded film produced by quenching the melt extruded by multiple single-screw extruders or twin-screw extruders through a cast film machine. This polymer film can be used to test the cast performance of polymer materials.

[0003] After searching, the "multi-layer co-extrusion casting machine" disclosed in the application number "CN202321642971.7" is also an increasingly mature technology, including a support column, one side of the support column is fixedly connected to a chassis, one side of the chassis is fixedly connected to an extruder, the output end of the extruder is fixedly connected to a molding machine, and one side of the molding machine is provided with an extension roller group. The advantages of the utility model are: the position of the cutting knife can be adjusted in time according to the width of the material, and then the casting machine is turned on to extrude the molten colloid through the extruder, and then the film material is driven by the molding machine for cooling and extrusion. The film material is extruded by the extension roller group and the co-extrusion roller. When the cutting component is subsequently performed, the cutting roller is driven by the motor to drive the cutting knife to rotate, and the film material can be trimmed in cooperation with the cutting groove. The film material can be trimmed while being processed, and no subsequent rework is required, which can greatly improve the processing efficiency of the experimental film material;

[0004] Although the patent uses a motor to drive the cutting roller to drive the cutting knife to rotate, and cooperates with the cutting groove to perform edge trimming on the film material, the edge trimming can be performed while the film material is being processed, and no subsequent rework is required, which can greatly improve the processing efficiency of the experimental film material. However, the thickness of the extruded film needs to be adjusted according to the actual situation, and the above-mentioned equipment does not have an adjustment mechanism to change the film thickness, resulting in an inability to meet usage requirements, thereby reducing the practicality of the cast film machine. Utility Model Content

[0005] The purpose of the utility model is to provide a casting machine with adjustable extruded film thickness, aiming to solve the problem in the prior art that the thickness of the extruded film needs to be adjusted according to actual conditions, and the above-mentioned equipment does not have an adjustment mechanism for changing the film thickness, resulting in failure to meet usage requirements, thereby reducing the practicability of the casting machine.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a casting machine with adjustable extruded film thickness, comprising a frame, a supporting foot is installed at the top of the frame, the top of the frame is connected to an extruder, the top of the frame is connected to a molding machine, the top of the frame is connected to an extension mechanism, the top of the frame is connected to a guide mechanism, the extension mechanism comprises an extension roller, an adjusting roller, a fixed plate, a threaded rod, a bearing, a protrusion, a connecting block and a connecting plate, the connecting plate is provided with two ends connected about the extension roller and the adjusting roller, and the bottom end of the connecting plate is installed on the top of the frame, the bearing is installed at the two ends of the extension roller and the adjusting roller, the fixing plate is connected to the outer wall of the connecting plate, the threaded rod is threadedly connected to the top of the fixing plate, the protrusion is connected to the bottom end of the threaded rod, and the connecting block is connected on both sides of the bearing.

[0007] As a preferred embodiment of the utility model of a casting machine capable of adjusting the thickness of an extruded film, the adjusting roller is arranged at the top end of the stretching roller, the protrusion is adapted to be connected inside the connecting block, and is rotationally connected to the connecting block through a threaded rod.

[0008] As a preferred embodiment of the utility model of a casting machine capable of adjusting the thickness of an extruded film, the adjusting roller is connected to the stretching roller through a threaded lifting connection formed by a threaded rod.

[0009] As a preferred embodiment of the utility model of a casting machine capable of adjusting the thickness of an extruded film, the connecting blocks at both ends of the adjusting roller and the threaded rod form a threaded connection.

[0010] As a preferred casting machine with adjustable extruded film thickness of the utility model, the guide mechanism includes a support plate, a guide roller and a scraper, the support plate is provided with two top ends connected to the frame, the guide roller is located between the two support plates and the scraper is located between the two support plates.

[0011] As a preferred embodiment of the utility model of a casting machine capable of adjusting the thickness of an extruded film, the scraper is installed between two support plates and located at the bottom end of the guide roller, and the top end of the scraper is close to the bottom end of the guide roller.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The utility model utilizes the rotation of the threaded rod to drive the adjusting roller to descend, and then adjusts the distance between the adjusting roller and the extending roller, and then adjusts the thickness of the film according to the required requirements to meet the use requirements, and then uses a scraper to remove the film residue attached to the surface of the guide roller, so as to avoid the residual film on the guide roller from adhering to the subsequent film, thereby improving the quality of film production. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

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

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

[0017] Figure 3 This is a schematic diagram of the extension mechanism structure of the utility model;

[0018] Figure 4 It is a schematic diagram of the guide mechanism structure of the utility model.

[0019] In the figure: 1. frame; 2. support foot; 3. extruder; 4. molding machine; 5. extension mechanism; 6. extension roller; 7. adjustment roller; 8. fixing plate; 9. threaded rod; 10. bearing; 11. bump; 12. connecting block; 13. connecting plate; 14. guide mechanism; 15. scraper; 16. support plate; 17. guide roller. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.

[0021] Embodiment 1

[0022] See also Figure 1-4 The utility model provides the following technical solutions: a casting machine with adjustable extruded film thickness, comprising a frame 1, a supporting foot 2 is installed at the top of the frame 1, an extruder 3 is connected to the top of the frame 1, a molding machine 4 is connected to the top of the frame 1, an extending mechanism 5 is connected to the top of the frame 1, and a guide mechanism 14 is connected to the top of the frame 1. The extending mechanism 5 comprises an extending roller 6, an adjusting roller 7, a fixing plate 8, a threaded rod 9, a bearing 10, a protrusion 11, a connecting block 12 and a connecting plate 13. The connecting plate 13 is provided with two ends connected with the extending roller 6 and the adjusting roller 7, and the bottom end of the connecting plate 13 is installed at the top of the frame 1, the bearing 10 is installed at both ends of the extending roller 6 and the adjusting roller 7, the fixing plate 8 is connected to the outer wall of the connecting plate 13, the threaded rod 9 is threadedly connected to the top of the fixing plate 8, the protrusion 11 is connected to the bottom end of the threaded rod 9, and the connecting block 12 is connected on both sides of the bearing 10.

[0023] In the embodiment, the specific working principle of the casting machine is that first, the material is fed into the feed port of the extruder 3, and then the material is extruded into the molding machine 4 through the extruder 3, and then fed into the stretching mechanism 5 to spread the material to form a film, and then the spread film is guided along the stretching mechanism 5 to the guide mechanism 14 to the outside.

[0024] It should be noted that the extruder 3 and the molding machine 4 described in the article are those described in the background technology patent, and the model of the extruder 3 is: XH-430B-25, and the model of the molding machine 4 is: XH-432-25. At the same time, the extruder 3 and the molding machine 4 are both existing mature technologies, and the specific working principles will not be described in detail in the article. Subsequently, the extruder 3 and the molding machine 4 are combined to form a casting machine.

[0025] Embodiment 2

[0026] See also Figure 1-4 The adjusting roller 7 is arranged at the top end of the stretching roller 6 , and the protrusion 11 is adapted and connected to the inside of the connecting block 12 , and is rotatably connected to the connecting block 12 through the threaded rod 9 .

[0027] Preferably, the adjusting roller 7 is connected to the stretching roller 6 by a threaded lifting connection via a threaded rod 9 .

[0028] Preferably, the connecting blocks 12 at both ends of the adjusting roller 7 and the threaded rod 9 form a threaded connection.

[0029] In the embodiment, according to the description of the first embodiment, when the stretching mechanism 5 is in use, the rotation of the threaded rod 9 can drive the protrusion 11 to rotate inside the connecting block 12, and then the connecting block 12 connected to the adjusting roller 7 will descend along the surface of the threaded rod 9, and then the connecting block 12 will drive the bearing 10 connected to the adjusting roller 7 to descend, and at the same time, the bearing 10 will drive the adjusting roller 7 to descend, and then adjust the distance between the adjusting roller 7 and the stretching roller 6, and then adjust according to the required film thickness to meet the use requirements.

[0030] Embodiment 3

[0031] See also Figure 1-4 The guide mechanism 14 includes a support plate 16, a guide roller 17 and a scraper 15. The support plate 16 is provided with two top ends connected to the frame 1. The guide roller 17 is connected between the two support plates 16, and the scraper 15 is connected between the two support plates 16.

[0032] Preferably, the scraper 15 is installed between the two support plates 16 and is located at the bottom end of the guide roller 17 , and the top end of the scraper 15 is close to the bottom end of the guide roller 17 .

[0033] In the embodiments, according to the description of embodiments one and two, when the guide mechanism 14 is in use, the film formed by the extension mechanism 5 will be fed onto the guide roller 17, and then the guide roller 17 will rotate to export the film to the outside. At the same time, the rotation generated when the guide roller 17 rotates to export the film cooperates with the scraper 15, so that the scraper 15 can scrape off the residual film attached to the surface of the guide roller 17 after the guide roller 17 rotates to remove it, so as to avoid the residual film on the guide roller 17 from adhering to the subsequent film, thereby improving the quality of film production.

[0034] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A casting machine capable of adjusting the thickness of an extruded film, comprising a frame (1), characterized in that: The top of the frame (1) is equipped with a support foot (2), the top of the frame (1) is connected to an extruder (3), the top of the frame (1) is connected to a molding machine (4), the top of the frame (1) is connected to an extension mechanism (5), and the top of the frame (1) is connected to a guide mechanism (14); The stretching mechanism (5) comprises an stretching roller (6), an adjusting roller (7), a fixing plate (8), a threaded rod (9), a bearing (10), a protrusion (11), a connecting block (12) and a connecting plate (13); the connecting plate (13) is provided with two ends connected to the stretching roller (6) and the adjusting roller (7); the bottom end of the connecting plate (13) is mounted on the top end of the frame (1); the bearing (10) is mounted on the two ends of the stretching roller (6) and the adjusting roller (7); the fixing plate (8) is connected to the outer wall of the connecting plate (13); the threaded rod (9) is threadedly connected to the top end of the fixing plate (8); the protrusion (11) is connected to the bottom end of the threaded rod (9); and the connecting block (12) is connected to both sides of the bearing (10).

2. A tape casting machine capable of adjusting the thickness of an extruded film according to claim 1, characterized in that: The adjusting roller (7) is arranged at the top end of the extending roller (6), and the protrusion (11) is adapted to be connected inside the connecting block (12) and is rotatably connected to the connecting block (12) through the threaded rod (9).

3. A tape casting machine capable of adjusting the thickness of an extruded film according to claim 1, characterized in that: The adjusting roller (7) is connected to the extension roller (6) by a threaded lifting connection via a threaded rod (9).

4. A tape casting machine capable of adjusting the thickness of an extruded film according to claim 1, characterized in that: The connection blocks (12) at both ends of the adjusting roller (7) and the threaded rod (9) form a threaded connection.

5. A tape casting machine capable of adjusting the thickness of an extruded film according to claim 1, characterized in that: The guide mechanism (14) comprises a support plate (16), a guide roller (17) and a scraper (15); the support plate (16) is provided with two top ends connected to the frame (1); the guide roller (17) is located between the two support plates (16) and connected; and the scraper (15) is located between the two support plates (16) and connected.

6. A tape casting machine capable of adjusting the thickness of extruded film according to claim 5, characterized in that: The scraper (15) is installed between two support plates (16) and is located at the bottom end of the guide roller (17), and the top end of the scraper (15) is close to the bottom end of the guide roller (17).

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