Shrink film production blowing device

Abstract

The utility model discloses a shrink film production film blowing device which comprises an L-shaped rack, a plugging seat is arranged on the inner wall of one side of the L-shaped rack, an extruder body is fixed to the end, away from the L-shaped rack, of the plugging seat, a discharging pipe is installed on the outer wall of the side, away from the plugging seat, of the extruder body, and a discharging die head is installed at the bottom end of the discharging pipe. A feeding hopper is arranged on one side of the top end of the extruding machine body, a spiral roller is rotationally installed in the extruding machine body, a second motor is installed on the inner wall of the plugging base, a heating pipe is installed in the spiral roller, a part placing frame is arranged on the inner wall of the L-shaped rack above the feeding hopper, a crushing machine body is installed on the inner side of the part placing frame, and a feeding hopper is arranged at the top end of the crushing machine body. According to the film blowing device, the processing effect on the shrink film when the film blowing device is used is guaranteed, the purpose of automatically extruding and blowing the shrink film is achieved, the flatness of the shrink film is guaranteed, and the convenience of the film blowing device is improved when the film blowing device is used.

Description

Technical Field

[0001] This utility model relates to the technical field of blown film production equipment, specifically a blown film production equipment for shrink film. Background Technology

[0002] In the shrink film production process, the blown film device is one of the key pieces of equipment. Existing blown film devices have many shortcomings, which can easily lead to defects in the shrink film. In order to ensure the processing effect of shrink film, it is particularly important to develop a blown film device for shrink film production.

[0003] Referring to a PE shrink film production blown film device with reference announcement number CN222080049U, it includes a material pipe, one end of which is equipped with a three-way filter, a film head is mounted on the three-way filter, and an air ring is mounted on the film head. A feed box is fixed to the upper side of the material pipe, and a blocking block is slidably fitted inside the feed box. A rotating shaft is rotatably fitted inside the material pipe, and a auger blade and multiple heating rods are fixed around the circumference of the rotating shaft. An inner cylinder is installed inside the material pipe, and multiple resistance wires are installed inside the inner cylinder, corresponding to the heating rods. This device installs heating rods around the circumference of the rotating shaft and resistance wires inside the inner cylinder, allowing direct insertion into plastic granules for processing. Heating ensures uniform temperature, and resistance wire can be used to assist heating, improving heating efficiency. A heating rod can scrape the surface of the inner cylinder to prevent plastic from sticking and affecting heat conduction. A sliding block installed in the feed box ensures uniform material feeding, thus preventing defects in the PE shrink film. As can be seen from the above, while this device can be used effectively, it is generally not convenient for crushing raw materials, making it difficult to ensure that the raw materials are in small granular form for hot melt extrusion. This makes it difficult for the device to achieve the desired extrusion effect, affecting the processing effect of the shrink film, and further improvements are needed. Utility Model Content

[0004] The purpose of this invention is to provide a blown film production device for shrink film, in order to solve the problem that although the device mentioned in the background art can be applied well, it is usually not convenient to crush the raw materials, and thus it is difficult to ensure that the raw materials are in small particles for hot melt extrusion. As a result, the extrusion effect of the device on the raw materials is difficult to achieve the expected result, thus affecting the shrink film processing effect.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a blown film production device for shrink film, comprising an L-shaped frame, a sealing seat on the inner wall of one side of the L-shaped frame, an extruder body fixed to the end of the sealing seat away from the L-shaped frame, a discharge pipe installed on the outer wall of the extruder body away from the sealing seat, a discharge die head installed at the bottom end of the discharge pipe, a feed hopper on one side of the top of the extruder body, a spiral roller rotatably mounted inside the extruder body, a second motor installed on the inner wall of the sealing seat, one end of the second motor connected to one end of the spiral roller, a heating tube installed inside the spiral roller, a component rack on the inner wall of the L-shaped frame above the feed hopper, a crusher body installed on the inner side of the component rack, and the crusher body... A feed hopper is provided at the top of the crusher body. An active crushing roller is rotatably installed on one side of the crusher body. One end of the active crushing roller extends to the outside of the crusher body and is equipped with a drive gear. A driven crushing roller is rotatably installed inside the crusher body on the side of the active crushing roller. One end of the driven crushing roller extends to the outside of the crusher body and is equipped with a driven gear. The driven gear meshes with the drive gear. A first motor is installed on the outer wall of the L-shaped frame at the position of the component holder. One end of the first motor passes through the L-shaped frame and is connected to one end of the drive gear. A control panel is installed on the outer wall of the L-shaped frame below the first motor. The output terminal of the microcontroller inside the control panel is electrically connected to the input terminals of the first motor and the second motor, respectively.

[0006] Preferably, a blown film body is provided on one side of the bottom of the L-shaped frame, and several blown film fans are installed on the top of the blown film body. Guide rollers are rotatably installed on the inner walls on both sides of the blown film body. The guide rollers are used to guide and limit the extruded shrink film.

[0007] Preferably, a U-shaped frame is provided at the bottom of the L-shaped frame on one side of the blown film machine body, and a lower pressure roller is rotatably installed on the inner wall of the lower end of the U-shaped frame. The lower pressure roller is designed to cooperate with the upper pressure roller to roll and flatten the shrink film.

[0008] Preferably, lifting cylinders are installed on both sides of the top of the U-shaped frame. The input end of the lifting cylinder is electrically connected to the output end of the microcontroller inside the control panel. A lifting seat is installed at the bottom of the lifting cylinder. The lifting seat is slidably connected to the inner wall of the U-shaped frame. An upper pressure roller is rotatably installed on the inner wall between the two lifting seats. The lifting cylinders are used to drive the upper pressure roller to move up and down.

[0009] Preferably, a take-up frame is installed at the bottom of the L-shaped frame on the side of the U-shaped frame away from the blown film machine body. A geared motor is installed at the center of the top of the take-up frame. The input end of the geared motor is electrically connected to the output end of the microcontroller inside the control panel. The geared motor is configured to drive the take-up roller to rotate.

[0010] Preferably, a shaft is installed at one end of the geared motor, and a take-up roller is installed at the end of the shaft away from the geared motor. The take-up roller is configured to perform a take-up operation on the shrink film.

[0011] Compared with the prior art, the beneficial effects of this utility model are: the blown film production device for shrink film not only ensures the processing effect of the shrink film during the use of the blown film device, but also achieves the purpose of automating the extrusion and blown film of the shrink film, and ensures the flatness of the shrink film, and improves the convenience of using the blown film device.

[0012] (1) By feeding the raw material into the feed hopper, the raw material falls into the interior of the crusher body due to gravity. When the first motor is started, the first motor will drive the active crushing roller to rotate through the active gear, and the active gear will drive the driven crushing roller to rotate through the driven gear. At this time, the active crushing roller and the driven crushing roller rotate in opposite directions to crush the raw material, so that the raw material falls into the interior of the extruder body in the form of small particles for heating and extrusion, thereby improving the heating and extrusion efficiency of the raw material and ensuring the processing effect of the shrink film when the blown film device is used.

[0013] (2) By setting the heating tube, the spiral roller is heated to a high temperature. When the second motor drives the spiral roller to rotate, the raw material inside the extruder body can be heated and extruded. The heated and extruded raw material is discharged in the form of a film through the discharge pipe and the discharge die head. Due to the setting of the two guide rollers, the film is guided into the blown film machine body. The blow fan blows the outside cold air into the blown film machine body to blow the film, thereby accelerating the film forming rate and achieving the purpose of automatically extruding and blowing the shrink film.

[0014] (3) By passing the blown film through the lower pressure roller and the upper pressure roller and connecting it to the take-up roller, when the lifting cylinder drives the lifting seat to lift, the lifting seat drives the upper pressure roller to move up and down to adjust the distance between the upper pressure roller and the lower pressure roller. The upper pressure roller and the lower pressure roller can then roll and flatten the shrink film. When the geared motor drives the take-up roller to rotate, the take-up roller can then wind up the shrink film, thus ensuring the flatness of the shrink film and improving the convenience of using the blown film device. Attached Figure Description

[0015] Figure 1 This is a front view structural diagram of the present invention;

[0016] Figure 2 This is a top view of the spiral roller structure of this utility model;

[0017] Figure 3 This is a top view of the U-shaped frame structure of this utility model;

[0018] Figure 4 This is a bottom view of the crusher body of this utility model.

[0019] Figure 5 This is a top view of the winding roller structure of this utility model.

[0020] In the diagram: 1. L-shaped frame; 2. Control panel; 3. Sealing seat; 4. Extruder body; 5. Discharge pipe; 6. Discharge die head; 7. Feed hopper; 8. Crusher body; 9. Feed hopper; 10. First motor; 11. Frame; 12. Drive gear; 13. Driven crushing roller; 14. Blown film body; 15. Blowing fan; 16. Guide roller; 17. U-shaped frame; 18. Rewinding frame; 19. Second motor; 20. Spiral roller; 21. Heating tube; 22. Lower pressure roller; 23. Upper pressure roller; 24. Lifting seat; 25. Lifting cylinder; 26. Driven gear; 27. Driven crushing roller; 28. Gear motor; 29. ​​Shaft; 30. Rewinding roller. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the scope of protection of the present utility model.

[0022] Please see Figures 1-5 An embodiment of this utility model is provided: a blown film production device for shrink film, including an L-shaped frame 1, a blown film body 14 is provided on one side of the bottom of the L-shaped frame 1, a plurality of blown fans 15 are installed on the top of the blown film body 14, and guide rollers 16 are rotatably installed on the inner walls on both sides of the blown film body 14.

[0023] In use, the guide roller 16 is set to guide and limit the extruded shrink film;

[0024] A U-shaped frame 17 is provided at the bottom of the L-shaped frame 1 on one side of the blown film machine body 14, and a lower pressure roller 22 is rotatably installed on the inner wall of the lower end of the U-shaped frame 17.

[0025] In use, the lower pressure roller 22 is set to cooperate with the upper pressure roller 23 to roll and flatten the shrink film;

[0026] Lifting cylinders 25 are installed on both sides of the top of the U-shaped frame 17. The input end of the lifting cylinder 25 is electrically connected to the output end of the microcontroller inside the control panel 2. A lifting seat 24 is installed at the bottom of the lifting cylinder 25. The lifting seat 24 is slidably connected to the inner wall of the U-shaped frame 17. An upper pressure roller 23 is rotatably installed on the inner wall between the two lifting seats 24.

[0027] In use, the lifting cylinder 25 is set to drive the upper pressure roller 23 to move up and down;

[0028] A take-up frame 18 is installed at the bottom of the L-shaped frame 1 on the side of the U-shaped frame 17 away from the blown film machine body 14. A geared motor 28 is installed at the center of the top of the take-up frame 18. The input end of the geared motor 28 is electrically connected to the output end of the microcontroller inside the control panel 2.

[0029] In use, the geared motor 28 is configured to drive the take-up roller 30 to rotate;

[0030] A shaft 29 is mounted on one end of the geared motor 28, and a take-up roller 30 is mounted on the end of the shaft 29 away from the geared motor 28.

[0031] In use, the winding roller 30 is set to perform the winding operation of the shrink film;

[0032] A sealing seat 3 is provided on the inner wall of one side of the L-shaped frame 1. An extruder body 4 is fixed to the end of the sealing seat 3 away from the L-shaped frame 1. A discharge pipe 5 is installed on the outer wall of the extruder body 4 away from the sealing seat 3. A discharge die head 6 is installed at the bottom end of the discharge pipe 5. A feed hopper 7 is provided on one side of the top of the extruder body 4. A spiral roller 20 is rotatably installed inside the extruder body 4. A second motor 19 is installed on the inner wall of the sealing seat 3. One end of the second motor 19 is connected to one end of the spiral roller 20. A heating tube 21 is installed inside the spiral roller 20. A component rack 11 is provided on the inner wall of the L-shaped frame 1 above the feed hopper 7. A crusher body 8 is installed on the inner side of the component rack 11. A feed hopper 9 is provided at the top of the crusher body 8. A rotatably installed component rack 9 is located on one side of the inside of the crusher body 8. There is an active crushing roller 13, one end of which extends to the outside of the crusher body 8 and is equipped with an active gear 12. A driven crushing roller 27 is rotatably installed inside the crusher body 8 on one side of the active crushing roller 13. One end of the driven crushing roller 27 extends to the outside of the crusher body 8 and is equipped with a driven gear 26. The driven gear 26 meshes with the active gear 12. A first motor 10 is installed on the outer wall of the L-shaped frame 1 at the position of the component holder 11. One end of the first motor 10 passes through the L-shaped frame 1 and is connected to one end of the active gear 12. A control panel 2 is installed on the outer wall of the L-shaped frame 1 below the first motor 10. The output terminal of the microcontroller inside the control panel 2 is electrically connected to the input terminals of the first motor 10 and the second motor 19, respectively.

[0033] In this embodiment, the raw material is first fed into the feed hopper 9, allowing it to fall into the crusher body 8 due to gravity. When the first motor 10 is started, it drives the active crushing roller 13 to rotate via the active gear 12, which in turn drives the driven crushing roller 27 to rotate via the driven gear 26. At this time, the active crushing roller 13 and the driven crushing roller 27 rotate in opposite directions to crush the raw material, resulting in small particles that fall into the extruder body 4 for heating and extrusion. Then, the heating pipe 21 heats the spiral roller 20 to a high temperature. When the second motor 19 drives the spiral roller 20 to rotate, the raw material inside the extruder body 4 is heated and extruded. The heated and extruded material passes through the discharge pipe 5 and... The discharge die head 6 discharges the film in the form of a thin film. Due to the setting of two guide rollers 16, the film is guided into the blown film machine body 14. The blown fan 15 blows cold air from the outside into the blown film machine body 14 to blow the film, thereby accelerating the film forming rate. Finally, the blown shrink film is passed between the lower pressure roller 22 and the upper pressure roller 23 and connected to the take-up roller 30. When the lifting cylinder 25 drives the lifting seat 24 to move up and down, the lifting seat 24 drives the upper pressure roller 23 to move up and down to adjust the distance between the upper pressure roller 23 and the lower pressure roller 22. The upper pressure roller 23 and the lower pressure roller 22 can then roll and flatten the shrink film. When the reduction motor 28 drives the take-up roller 30 to rotate, the take-up roller 30 can then wind up the shrink film to ensure the flatness of the shrink film, thus completing the use of the blown film device.

Claims

1. A blown film production apparatus for shrink film, characterized in that: The extruder includes an L-shaped frame (1), a sealing seat (3) on the inner wall of one side of the L-shaped frame (1), an extruder body (4) fixed to the end of the sealing seat (3) away from the L-shaped frame (1), a discharge pipe (5) installed on the outer wall of the extruder body (4) away from the sealing seat (3), a discharge die (6) installed at the bottom end of the discharge pipe (5), a feed hopper (7) on one side of the top of the extruder body (4), and a screw rotatably mounted inside the extruder body (4). A spiral roller (20) is provided. A second motor (19) is installed on the inner wall of the sealing seat (3). One end of the second motor (19) is connected to one end of the spiral roller (20). A heating tube (21) is installed inside the spiral roller (20). A component rack (11) is provided on the inner wall of the L-shaped frame (1) above the feed hopper (7). A crusher body (8) is installed on the inner side of the component rack (11). A feed hopper (9) is provided at the top of the crusher body (8). An active crushing roller (13) is rotatably installed on one side of the machine body (8). One end of the active crushing roller (13) extends to the outside of the crusher body (8) and is equipped with an active gear (12). A driven crushing roller (27) is rotatably installed inside the crusher body (8) on one side of the active crushing roller (13). One end of the driven crushing roller (27) extends to the outside of the crusher body (8) and is equipped with a driven gear (26). The driven gear (26) meshes with the active gear (12). A first motor (10) is installed on the outer wall of the L-shaped frame (1) at the position of the component holder (11). One end of the first motor (10) passes through the L-shaped frame (1) and is connected to one end of the active gear (12). A control panel (2) is installed on the outer wall of the L-shaped frame (1) below the first motor (10). The output end of the single-chip microcomputer inside the control panel (2) is electrically connected to the input end of the first motor (10) and the second motor (19), respectively.

2. The shrink film production blown film apparatus according to claim 1, characterized in that: The bottom of the L-shaped frame (1) is provided with a blown film body (14) on one side. Several blown film fans (15) are installed on the top of the blown film body (14). Guide rollers (16) are rotatably installed on the inner walls on both sides of the blown film body (14).

3. The blown film production apparatus for shrink film according to claim 2, characterized in that: The bottom of the L-shaped frame (1) on one side of the blown film machine body (14) is provided with a U-shaped frame (17), and a lower pressure roller (22) is rotatably installed on the inner wall of the lower end of the U-shaped frame (17).

4. The shrink film production blown film apparatus according to claim 3, characterized in that: Lifting cylinders (25) are installed on both sides of the top of the U-shaped frame (17). The input end of the lifting cylinder (25) is electrically connected to the output end of the microcontroller inside the control panel (2). A lifting seat (24) is installed at the bottom of the lifting cylinder (25). The lifting seat (24) is slidably connected to the inner wall of the U-shaped frame (17). An upper pressure roller (23) is rotatably installed on the inner wall between the two lifting seats (24).

5. A blown film production apparatus for shrink film according to claim 3, characterized in that: The bottom of the L-shaped frame (1) on the side of the U-shaped frame (17) away from the blown film machine body (14) is equipped with a take-up frame (18). A geared motor (28) is installed at the center of the top of the take-up frame (18). The input end of the geared motor (28) is electrically connected to the output end of the microcontroller inside the control panel (2).

6. A blown film production apparatus for shrink film according to claim 5, characterized in that: A shaft (29) is mounted on one end of the geared motor (28), and a take-up roller (30) is mounted on the end of the shaft (29) away from the geared motor (28).

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