Film extrusion device

Abstract

The utility model relates to the technical field of film production, in particular to a film extrusion device which comprises a mounting seat, a mounting part, a support frame, a connecting rod, a roller, a blanking hopper and a mounting frame, the mounting part is connected with the mounting base, the mounting rack is slidably connected with the mounting part, the compression roller assembly is connected with the mounting rack, and an adjusting assembly is arranged on the mounting part and matched and connected with the mounting rack; the supporting frame is connected with the mounting base and provided with a pressing roller assembly, and a drying assembly is arranged on the supporting frame; the rollers are rotationally connected with the supporting frame, the connecting rod is rotationally connected with the supporting frame, a driving device a is arranged on the supporting frame and is in transmission connection with the connecting rod, and a winding roller is arranged on the connecting rod. The discharging hopper is connected with the supporting frame. The installation frame is connected with the installation part in a sliding mode, the two pressing roller assemblies are connected with the supporting frame and the installation frame respectively, the adjusting assembly can drive the installation frame and the pressing roller assemblies on the installation frame to move, and the distance between the two pressing roller assemblies can be adjusted to further adjust the film extrusion thickness.

Description

Technical Field

[0001] The utility model relates to the technical field of film production, in particular to a film extrusion device. Background Art

[0002] Films made from polyvinyl chloride, polyethylene, polypropylene, polystyrene, and other resins are used for packaging and as coatings. Different plastic films have different properties and applications as packaging materials. Plastic packaging and plastic packaging products are increasingly occupying a larger share of the market, especially composite plastic flexible packaging, which has been widely used in the food, pharmaceutical, chemical, and other fields.

[0003] Chinese patent application number CN212352845U discloses an extrusion molding device for a waterproof film, comprising a base plate, a water tank fixedly connected to the right side of the base plate, a semiconductor refrigerator fixedly connected to the right side of the water tank, a cooling fin fixedly connected to the output end of the semiconductor refrigerator via a wire, a water pump fixedly connected to the top of the water tank via a support base, and a nozzle fixedly connected to the output end of the water pump via a bellows. The utility model has a water pump fixedly connected to the top of the water tank via a support base, and the output end of the water pump fixedly connected to the nozzle via a bellows, achieving the effect of spraying water to cool down. The semiconductor refrigerator is fixedly connected to the right side of the water tank, and the output end of the semiconductor refrigerator is fixedly connected to the cooling fin via a wire, achieving the effect of producing cold water. This solves the problem that existing extrusion molding devices do not have a cooling function, resulting in the extruded film easily sticking due to high temperature, thereby reducing the efficiency of film use.

[0004] However, the above technical solution has the following defects: in the above film extrusion molding device, the extruder directly uses a winding roller to rewind the film after extruding it, but the extruded film is not trimmed and stretched, resulting in uneven thickness of the film and making it unusable, affecting the production quality of the film. Utility Model Content

[0005] The utility model aims to solve the problems existing in the background technology and propose a film extrusion device.

[0006] The technical solution of the utility model is as follows: a film extrusion device, comprising a mounting seat, a mounting portion, a support frame, a connecting rod, a roller, a lower hopper and a mounting frame;

[0007] There are two mounting parts, both of which are connected to the upper end surface of the mounting seat, there are two mounting brackets, the two mounting brackets are slidably connected to the upper end surfaces of the two mounting parts, the pressure roller assembly is connected to the two mounting brackets, and an adjustment component is provided on the mounting part, which is cooperatively connected to the two mounting brackets;

[0008] The support frame is connected to the upper end surface of the mounting seat, and a pressing roller assembly is provided at one end of the support frame close to the mounting frame, and a drying assembly is provided on the support frame;

[0009] There are multiple rollers, and the multiple rollers are rotatably connected to the support frame, the connecting rod is rotatably connected to the support frame, the support frame is provided with a driving device a, the driving device a is driven to connect the connecting rod, the connecting rod is provided with a winding roller, and the multiple rollers are located between the connecting rod and the pressure roller assembly;

[0010] The lower hopper is connected to the support frame, and the lower hopper is located above the pressing roller assembly.

[0011] Preferably, the adjustment assembly includes a protective shell, a screw rod and a transmission belt;

[0012] There are two screw rods, which are respectively rotatably connected to the two mounting parts. The lower ends of the two mounting frames are provided with mounting blocks, which are respectively threadedly connected to the two screw rods.

[0013] The protective shell connects the two mounting parts, and a driving device b is provided inside the protective shell, and the driving device b is connected to any one of the screw rods;

[0014] Both screw rods are provided with pulleys, and a transmission belt is cooperatively connected with the two pulleys, and the inner circumference of the transmission belt presses the outer circumference of the two pulleys.

[0015] Preferably, a slide groove is provided on the mounting portion, and a slider is provided at the lower end of the mounting frame, and the slider is cooperatively connected with the slide groove.

[0016] Preferably, the pressure roller assembly includes a housing, a mounting rod, a driven wheel and a driving wheel;

[0017] The mounting rod is rotatably connected to the support frame, and a squeezing roller is provided on the mounting rod. The squeezing roller is coaxially distributed with the mounting rod, and the driven wheel is connected to the mounting rod;

[0018] A driving device c is provided on the support frame, a driving wheel is connected to a transmission shaft of the driving device c, the driving wheel is meshed and connected with the driven wheel, a shell is connected to the support frame, and the shell is sleeved on the outside of the driving device c.

[0019] Preferably, flanges are provided at both ends of the plurality of rollers.

[0020] Preferably, a plurality of anti-slip feet are provided at the lower end of the mounting seat, and the plurality of anti-slip feet are evenly distributed at the lower end of the mounting seat.

[0021] Compared with the prior art, the above technical solution of the present invention has the following beneficial technical effects:

[0022] In the utility model, the lower hopper is filled with film raw materials, and the film raw materials fall between the two pressure roller assemblies from the discharge port. The two pressure roller assemblies squeeze the film raw materials, and the squeezed film is sequentially wound around multiple rollers and connected to the winding roller. The driving device a drives the connecting rod and the winding roller to rotate to wind the film, and the drying assembly on the support frame dries the film on the roller. The adjusting assembly can adjust the position of the mounting frame on the mounting part, thereby adjusting the distance between the two pressure roller assemblies and adjusting the thickness of the extruded film. In the utility model, the mounting frame is slidably connected to the mounting part, and the two pressure roller assemblies are respectively connected to the supporting frame and the mounting frame. The adjusting assembly can drive the mounting frame and the pressure roller assembly thereon to move, thereby adjusting the distance between the two pressure roller assemblies to further adjust the thickness of the extruded film. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a three-dimensional diagram of a film extrusion device proposed by the utility model.

[0024] Figure 2 This is a structural schematic diagram of a film extrusion device proposed by the utility model.

[0025] Figure 3 This is a structural diagram of an adjustment component in an embodiment of the present invention.

[0026] Figure numerals: 1. Mounting seat; 2. Mounting portion; 3. Support frame; 4. Anti-slip support foot; 5. Winding roller; 6. Connecting rod; 7. Roller; 8. Driving device a; 9. Shell; 10. Lower hopper; 11. Extrusion roller; 12. Mounting frame; 13. Slide; 14. Protective shell; 15. Mounting rod; 16. Driven wheel; 17. Driving device c; 18. Driving wheel; 19. Mounting block; 20. Driving device b; 21. Screw; 22. Transmission belt; 23. Pulley. DETAILED DESCRIPTION

[0027] Example 1

[0028] like Figure 1-Figure 3 As shown, a film extrusion device proposed by the present invention includes a mounting seat 1, a mounting portion 2, a support frame 3, a connecting rod 6, a roller 7, a lower hopper 10 and a mounting frame 12;

[0029] There are two mounting parts 2, both of which are connected to the upper end surface of the mounting seat 1. There are two mounting frames 12, which are respectively slidably connected to the upper end surfaces of the two mounting parts 2. The pressure roller assembly is connected to the two mounting frames 12. An adjustment assembly is provided on the mounting part 2, and the adjustment assembly is cooperatively connected to the two mounting frames 12.

[0030] Furthermore, a plurality of anti-skid feet 4 are provided at the lower end of the mounting base 1 , and the plurality of anti-skid feet 4 are evenly distributed at the lower end of the mounting base 1 .

[0031] The support frame 3 is connected to the upper end surface of the mounting base 1 , and a pressing roller assembly is provided at one end of the support frame 3 close to the mounting frame 12 , and a drying assembly is provided on the support frame 3 .

[0032] There are multiple rollers 7, and the multiple rollers 7 are all rotatably connected to the support frame 3. The connecting rod 6 is rotatably connected to the support frame 3. A driving device a8 is provided on the support frame 3. The driving device a8 transmits and connects the connecting rod 6. A winding roller 5 is provided on the connecting rod 6. The multiple rollers 7 are all located between the connecting rod 6 and the pressure roller assembly.

[0033] Furthermore, flanges are provided at both ends of the plurality of rollers 7 .

[0034] The lower hopper 10 is connected to the support frame 3 and is located above the pressure roller assembly.

[0035] In the present invention, the lower hopper 10 is filled with film raw materials, and the film raw materials fall between the two pressure roller assemblies from the discharge port. The two pressure roller assemblies squeeze the film raw materials, and the squeezed film is sequentially wound around multiple rollers 7 and connected to the winding roller 5. The driving device a8 drives the connecting rod 6 and the winding roller 5 to rotate to wind the film. The drying assembly on the support frame 3 dries the film on the roller 7. The adjustment assembly can adjust the position of the mounting frame 12 on the mounting part 2, that is, the distance between the two pressure roller assemblies can be adjusted, and the thickness of the film extrusion can be adjusted; in the present invention, the mounting frame 12 is slidably connected to the mounting part 2, and the two pressure roller assemblies are respectively connected to the support frame 3 and the mounting frame 12. The adjustment assembly can drive the mounting frame 12 and the pressure roller assembly thereon to move, that is, the distance between the two pressure roller assemblies can be adjusted to further adjust the thickness of the film extrusion.

[0036] Example 2

[0037] like Figure 2-Figure 3 As shown, the film extrusion device proposed by the present invention, compared with the first embodiment, the adjustment component in this embodiment includes a protective shell 14, a screw rod 21 and a transmission belt 22;

[0038] There are two screw rods 21, which are rotatably connected to the two mounting parts 2 respectively. The lower ends of the two mounting frames 12 are provided with mounting blocks 19, and the two mounting blocks 19 are respectively threadedly connected to the two screw rods 21;

[0039] The protective shell 14 connects the two mounting parts 2. A driving device b20 is provided inside the protective shell 14. The driving device b20 is connected to any one of the screw rods 21.

[0040] The two screw rods 21 are each provided with a pulley 23 , and the transmission belt 22 is cooperatively connected with the two pulleys 23 , and the inner circumference of the transmission belt 22 presses against the outer circumference of the two pulleys 23 .

[0041] Furthermore, a slide groove 13 is provided on the mounting portion 2 , and a slider is provided at the lower end of the mounting frame 12 , and the slider is cooperatively connected with the slide groove 13 .

[0042] In this embodiment, the driving device b20 is started to drive a screw rod 21 and a pulley 23 to rotate. The two pulleys 23 are connected by a transmission belt 22. The two screw rods 21 rotate synchronously. The two mounting blocks 19 are threadedly connected to the two screw rods 21. The two mounting blocks 19 drive the two mounting frames 12 to slide on the mounting part 2. The two mounting frames 12 further drive the pressure roller assembly to move.

[0043] Example 3

[0044] like Figure 2 As shown, the film extrusion device proposed by the present invention, compared with the first embodiment, the pressure roller assembly in this embodiment includes a housing 9, a mounting rod 15, a driven wheel 16 and a driving wheel 18;

[0045] The mounting rod 15 is rotatably connected to the support frame 3. The mounting rod 15 is provided with a squeezing roller 11. The squeezing roller 11 is coaxially distributed with the mounting rod 15. The driven wheel 16 is connected to the mounting rod 15.

[0046] A driving device c17 is provided on the support frame 3. The driving wheel 18 is connected to the transmission shaft of the driving device c17. The driving wheel 18 is meshed and connected with the driven wheel 16. The shell 9 is connected to the support frame 3 and is sleeved on the outside of the driving device c17.

[0047] The mounting rod 15 in the pressure roller assembly on the mounting frame 12 is rotatably connected to the two mounting frames 12, and the squeezing rollers 11 of the two pressure roller assemblies rotate in opposite directions.

[0048] In this embodiment, the driving device c17 is started to drive the active wheel 18 to rotate, the active wheel 18 is connected to the driven wheel 16, the driven wheel 16 drives the mounting rod 15 and the squeezing roller 11 to rotate, and the squeezing rollers 11 in the two pressure roller assemblies rotate in opposite directions. The two squeezing rollers 11 squeeze the film raw materials falling from the lower hopper 10.

[0049] The embodiments of the present invention are described in detail above with reference to the accompanying drawings, but the present invention is not limited thereto. Various changes can be made within the knowledge scope of those skilled in the art without departing from the purpose of the present invention.

Claims

1. A film extrusion device, characterized in that: It comprises a mounting seat (1), a mounting portion (2), a support frame (3), a connecting rod (6), a roller (7), a lower hopper (10) and a mounting frame (12); Two mounting parts (2) are provided, and both mounting parts (2) are connected to the upper end surface of the mounting seat (1); two mounting frames (12) are provided, and the two mounting frames (12) are respectively slidably connected to the upper end surfaces of the two mounting parts (2); the pressure roller assembly is connected to the two mounting frames (12); an adjustment assembly is provided on the mounting part (2), and the adjustment assembly is cooperatively connected to the two mounting frames (12); The support frame (3) is connected to the upper end surface of the mounting seat (1), and a pressure roller assembly is provided at one end of the support frame (3) close to the mounting frame (12), and a drying assembly is provided on the support frame (3); A plurality of rollers (7) are provided, and the plurality of rollers (7) are all rotatably connected to the support frame (3), the connecting rod (6) is rotatably connected to the support frame (3), a driving device a (8) is provided on the support frame (3), the driving device a (8) is transmission-connected to the connecting rod (6), a winding roller (5) is provided on the connecting rod (6), and the plurality of rollers (7) are all located between the connecting rod (6) and the pressure roller assembly; The lower hopper (10) is connected to the support frame (3), and the lower hopper (10) is located above the pressure roller assembly.

2. A film extrusion device according to claim 1, characterized in that: The adjustment assembly includes a protective shell (14), a screw rod (21) and a transmission belt (22); There are two screw rods (21), and the two screw rods (21) are respectively rotatably connected to the two mounting parts (2). The lower ends of the two mounting frames (12) are each provided with a mounting block (19), and the two mounting blocks (19) are respectively threadedly connected to the two screw rods (21); The protective shell (14) is connected to the two mounting parts (2), and a driving device b (20) is provided in the protective shell (14). The driving device b (20) is connected to any one of the screw rods (21). The two screw rods (21) are both provided with pulleys (23), the transmission belt (22) is connected with the two pulleys (23), and the inner peripheral surface of the transmission belt (22) presses the outer peripheral surfaces of the two pulleys (23).

3. A film extrusion device according to claim 2, characterized in that: A slide groove (13) is provided on the mounting portion (2), and a slider is provided at the lower end of the mounting frame (12), and the slider is matched and connected with the slide groove (13).

4. A film extrusion device according to claim 1, characterized in that: The pressure roller assembly comprises a housing (9), a mounting rod (15), a driven wheel (16) and a driving wheel (18); The mounting rod (15) is rotatably connected to the support frame (3); a squeezing roller (11) is provided on the mounting rod (15); the squeezing roller (11) and the mounting rod (15) are coaxially distributed; and a driven wheel (16) is connected to the mounting rod (15); A driving device c (17) is provided on the support frame (3), a driving wheel (18) is connected to a transmission shaft of the driving device c (17), the driving wheel (18) is meshedly connected with the driven wheel (16), a housing (9) is connected to the support frame (3), and the housing (9) is sleeved on the outside of the driving device c (17).

5. The film extrusion device according to claim 1, characterized in that: Both ends of the plurality of rollers (7) are provided with flanges.

6. The film extrusion device according to claim 1, characterized in that: The lower end of the mounting seat (1) is provided with a plurality of anti-skid supporting feet (4), and the plurality of anti-skid supporting feet (4) are evenly distributed at the lower end of the mounting seat (1).

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