Film blow molding device

By designing control components and cleaning components in the film blow molding device, and using the cooperation of gears and screws to achieve volume adjustment and control of the film when expanding, the problems of excessive film collision and incomplete dust cleaning are solved, and the molding quality and cleanliness of the film are improved.

CN222681756UActive Publication Date: 2025-03-28LUOHE LIANBANG CHEM CO LTD
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Patent Information

Application Number
CN202420854166.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-24
Publication Date
2025-03-28
Estimated Expiration
2034-04-24

AI Technical Summary

Technical Problem

The existing film blow molding device is prone to collision too much when the film expands, resulting in film breakage, and poor guidance and control effects, resulting in excessive resistance to the film during the cooling stage and easy to tear.

Method used

A film blow molding device is designed. By setting up control components and cleaning components, using the cooperation of the driving gear, driven gear, screw and control roller, the volume adjustment and control of the film when it expands, and the dust on the surface of the film is effectively cleaned by the cleaning components.

Benefits of technology

It effectively avoids excessive collision of the film during expansion, reduces the risk of film damage, and improves the cleanliness of the film surface by cleaning the components to prevent dust from contacting the film again.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a film blow molding device, which relates to the field of film blow molding and comprises a mounting frame, one side of the mounting frame is fixedly connected with material extruding equipment, the lower end of the interior of the mounting frame is fixedly connected with blow molding equipment, and the material extruding equipment and the blow molding equipment are fixedly connected with each other. And control assemblies are fixedly connected to the two sides of the mounting frame correspondingly, and film pressing equipment is fixedly connected to the upper end of the interior of the mounting frame. By the adoption of the structure, the threaded piece in threaded connection with the rod can move while the rod rotates, the control rollers are connected with the threaded piece so that the control cabinet can move when the threaded piece moves, and therefore the two control rollers can extrude together when moving; and in the extrusion process, the distance edge between the two control rollers is reduced, so that the size of the thin film is reduced when the thin film is expanded and passes through the space between the two control rollers, and the situation that the thin film is damaged due to excessive collision can be avoided.
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Description

Technical Field

[0001] The utility model belongs to the field of film blowing molding, in particular to a film blowing molding device. Background Art

[0002] Film is a thin, soft, transparent sheet. Made of plastic, adhesive, rubber or other materials. The scientific explanation of film is: a 2D material formed by atoms, molecules or ions deposited on the surface of a substrate. Examples: optical film, composite film, superconducting film, polyester film, nylon film, plastic film, etc. Film is widely used in electronics, machinery, printing and other industries.

[0003] According to a Chinese patent with publication number "CN219486550U", a plastic film forming device is disclosed, which relates to the field of plastic film forming technology, including a frame, an extrusion device is provided on the outside of the frame, the discharge end of the extrusion device extends into the frame, and the discharge end of the extrusion device is connected to a film blowing die head, characterized in that a discharge port is provided on the top of the frame, and the blown film extends upward from the film blowing die head and passes through the discharge port; two rotating guide assemblies are rotatably connected to the two sides of the bottom of the frame top plate, and an adjusting mechanism for adjusting the rotating guide assembly is provided on the frame. The plastic film forming device provided by the utility model can guide and transmit the blown film through the setting of the rotating guide assembly, so as to avoid the situation where the volume of the formed film is too large and the film is damaged, and at the same time, the rotation angle of the two rotating guide assemblies can be adjusted by the adjusting mechanism;

[0004] It can be seen from the above structure that although the above structure has achieved the effect of regulating the volume of the film, the guide plate and the arc plate cannot effectively guide and control the volume of the film, and there is a certain resistance when the film slides on the surface of the arc plate, and the film is in the cooling stage, which may cause excessive resistance and lead to the phenomenon of film tearing. Utility Model Content

[0005] In view of the problems mentioned in the background technology, the purpose of the utility model is to provide a film blowing molding device to solve the above problems.

[0006] The above technical objectives of the utility model are achieved through the following technical solutions:

[0007] The cam is connected with the roller at the inner side of the roller, and the roller is connected with the guide roller at the inner side of the roller, and the guide roller is connected with the roller at the outer side of the roller, and the roller is connected with the guide roller at the inner side of the roller.

[0008] Furthermore, as a preferred technical solution, the cleaning assembly includes a connecting plate arranged on the outside of the mounting frame, a first cleaning roller is rotatably connected to the opposite side of the connecting plate, and a second cleaning roller is rotatably connected to the opposite side of the connecting plate located on the outside of the first cleaning roller, one end of the first cleaning roller and the second cleaning roller are both fixedly connected to a first gear through the connecting plate, outer surfaces of the first gear are meshed with each other through a second toothed belt, a motor is fixedly connected to one side of the mounting frame, and an output shaft of the motor is fixedly connected to the first gear on the outside of the first cleaning roller.

[0009] Furthermore, as a preferred technical solution, the lower end of the connecting plate is fixedly connected to a connecting rod, the lower end of the connecting rod is fixedly connected to a dust suction frame, the inner side of the dust suction frame is provided with a dust suction port, and the outer side of the dust suction frame is fixedly connected to a dust suction pipe.

[0010] Furthermore, as a preferred technical solution, a mounting groove is opened on one side of the mounting frame, a gravity tension spring is fixedly connected to the inside of the mounting groove, a moving block is fixedly connected to the upper end of the gravity tension spring, the moving block and the mounting groove are slidingly connected to each other, the outer surface of the moving block is rotatably connected to an adjusting gear, and the adjusting gear is meshed with the first gear through a toothed belt.

[0011] Furthermore, as a preferred technical solution, grooves are provided on opposite sides of the connecting plate, the interior of the grooves is fixedly slidably connected to the slider, the outer side of the slider is rotatably connected to the second cleaning roller, the outer side of the connecting plate is fixedly connected to an electric push rod, and the other end of the electric push rod passes through the connecting plate and is fixedly connected to the slider.

[0012] Furthermore, as a preferred technical solution, a bracket is fixedly connected to one side of the upper end of the installation frame, and a support roller is rotatably connected to the upper side of the bracket.

[0013] Furthermore, as a preferred technical solution, a turntable is fixedly connected to the outer side of the driving gear, the other end of the turntable is fixedly connected to the outer ring of the second bearing, and the inner ring of the second bearing is fixedly connected to the handle.

[0014] Furthermore, as a preferred technical solution, a transparent film is fixedly connected to the lower end of the installation frame, and the upper end of the transparent film is fixedly connected to the lower end of the control component.

[0015] Furthermore, as a preferred technical solution, the upper end of the transparent film is fixedly connected to a first magnet block, the lower end of the control component is fixedly connected to a second magnet block, and the first magnet block and the second magnet block are magnetically connected to each other.

[0016] In summary, the utility model mainly has the following beneficial effects:

[0017] First, through the control component, when the film expands when entering the blow molding equipment, if the collision volume is too large, the active tooth can be rotated to make the driven gear rotate under the action of the toothed belt, and the screw rod can be rotated under the rotation of the driven gear. When the screw rod rotates, the threaded part threadedly connected to it will move, and the control roller and the threaded connection are connected so that the control cabinet will move when the threaded part moves, so that the two control rollers can be squeezed together when they move. During the squeezing process, the distance between the two control rollers becomes smaller, so that when the film expands, the volume of the film will become smaller when passing between the two control rollers, thereby avoiding the situation where the film is damaged due to excessive collision;

[0018] Secondly, by setting up a cleaning component, when the film is blow-molded, the motor can be turned on so that the motor drives the first gear to rotate under the action of the toothed belt, and the second cleaning roller is moved through the electric push rod under the rotation of the first gear, so that the first cleaning roller and the second cleaning roller are in contact with the film, so that the first cleaning roller and the second cleaning roller rotate when they are in contact with the film, and the dust on the surface of the film can be effectively cleaned. However, when cleaning, the vacuum tube can be connected to the vacuum cleaner, and then the vacuum cleaner can be started to generate a negative pressure effect inside the vacuum frame, which can absorb the dust cleaned by the first cleaning roller and the second cleaning roller, thereby preventing the cleaned dust from contacting the film again. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of the utility model;

[0020] Figure 2 It is a side view structural schematic diagram of the utility model;

[0021] Figure 3 It is a structural schematic diagram of the control assembly of the utility model;

[0022] Figure 4 The utility model Figure 2 A schematic diagram of the enlarged structure of part A;

[0023] Figure 5 The utility model Figure 2 Schematic diagram of the enlarged structure of part B.

[0024] Figure numerals: 1, mounting frame, 2, extrusion equipment, 3, blow molding equipment, 4, control assembly, 41, mounting plate, 42, slide, 43, first bearing, 44, screw rod, 45, threaded member, 46, control roller, 47, driven gear, 48, driving gear, 49, first toothed belt, 50, turntable, 51, second bearing, 52, handle, 5, film pressing equipment, 6, guide roller, 7, cleaning assembly, 71, connecting plate, 72, first A cleaning roller, 73, a second cleaning roller, 74, a first gear, 75, a groove, 76, a slider, 77, an electric push rod, 78, a connecting rod, 79, a dust suction frame, 80, a dust suction port, 81, a dust suction pipe, 82, a motor, 83, a mounting groove, 84, a gravity tension spring, 85, a moving block, 86, an adjusting gear, 87, a second toothed belt, 8, a bracket, 9, a supporting roller, 10, a transparent film, 11, a first magnet block, 12, a second magnet block. DETAILED DESCRIPTION

[0025] Example

[0026] refer to Figures 1 to 5 A film blow molding device of this embodiment includes a mounting frame 1, a material extrusion device 2 is fixedly connected to one side of the mounting frame 1, a blow molding device 3 is fixedly connected to the lower end of the mounting frame 1, the material extrusion device 2 and the blow molding device 3 are fixedly connected to each other, a control component 4 is fixedly connected to both sides of the mounting frame 1, a film pressing device 5 is fixedly connected to the upper end of the mounting frame 1, a guide roller 6 is fixedly connected to the upper end of the mounting frame 1, a cleaning component 7 is fixedly connected to the outer side of the mounting frame 1, and the control component 4 includes mounting plates 41 arranged on both sides of the mounting frame 1, and the opposite sides of the mounting plates 41 are provided with slide grooves 42, and the outer ring of the first bearing 43 is fixedly connected to the inner side of the slide groove 42, and the first bearing 4 The inner ring of the mounting frame 3 is fixedly connected with a screw rod 44, and the other end of the screw rod 44 passes through the mounting plate 41 and is fixedly connected with a driven gear 47. The outer side of the mounting frame 1 is rotatably connected with a driving gear 48, and the driving gear 48 and the driven gear 47 are meshed and connected with each other through a first toothed belt 49. The outer surface of the screw rod 44 is threadedly connected with a threaded member 45, and the opposite sides of the threaded member 45 are fixedly connected with control rollers 46. One side of the upper end of the mounting frame 1 is fixedly connected with a bracket 8, and the upper part of the bracket 8 is rotatably connected with a support roller 9. The outer side of the driving gear 48 is fixedly connected with a turntable 50, and the other end of the turntable 50 is fixedly connected with the outer ring of a second bearing 51, and the inner ring of the second bearing 51 is fixedly connected with a handle 52.

[0027] refer to Figure 1 , Figure 2 , Figure 4 and Figure 5 The cleaning assembly 7 includes a connecting plate 71 arranged on the outside of the mounting frame 1, and a first cleaning roller 72 is rotatably connected to the opposite side of the connecting plate 71, and a second cleaning roller 73 is rotatably connected to the outside of the first cleaning roller 72 on the opposite side of the connecting plate 71. One end of the first cleaning roller 72 and the second cleaning roller 73 both pass through the connecting plate 71 and are fixedly connected to a first gear 74, and the outer surfaces of the first gear 74 are meshed and connected with each other through a second toothed belt 87. A motor 82 is fixedly connected to one side of the mounting frame 1, and the output shaft of the motor 82 is fixedly connected to the first gear 74 on the outside of the first cleaning roller 72; by turning on the motor 82, the motor 82 drives the first gear 74 to rotate under the action of the toothed belt, and under the rotation of the first gear 74, the second cleaning roller 73 is moved through the electric push rod 77, so that the first cleaning roller 72 and the second cleaning roller 73 contact the film, so that the first cleaning roller 72 and the second cleaning roller 73 rotate when they contact the film, and the dust on the surface of the film can be effectively cleaned.

[0028] refer to Figure 2 and Figure 4 The lower end of the connecting plate 71 is fixedly connected to a connecting rod 78, and the lower end of the connecting rod 78 is fixedly connected to a dust suction frame 79. A dust suction port 80 is opened on the inner side of the dust suction frame 79, and a dust suction pipe 81 is fixedly connected to the outer side of the dust suction frame 79. When cleaning, the dust suction pipe 81 can be connected to a vacuum cleaner, and then the vacuum cleaner can be started to generate negative pressure inside the dust suction frame 79, which can absorb the dust cleaned by the first cleaning roller 72 and the second cleaning roller 73 to prevent the dust from contacting the film again.

[0029] refer to Figure 4 A mounting groove 83 is provided on one side of the mounting frame 1, and a gravity tension spring 84 is fixedly connected inside the mounting groove 83, and a moving block 85 is fixedly connected to the upper end of the gravity tension spring 84. The moving block 85 and the mounting groove 83 are slidably connected to each other, and the outer surface of the moving block 85 is rotatably connected to an adjusting gear 86, and the adjusting gear 86 is meshed with the first gear 74 through a toothed belt; under the action of the gravity tension spring 84, when the position of the second cleaning roller 73 is controlled by the electric push rod 77, a tightening effect can be achieved under the action of the gravity tension spring 84, which can avoid the situation where the gear and the toothed belt are too loose to achieve the transmission effect.

[0030] refer to Figure 4, grooves 75 are provided on the opposite sides of the connecting plate 71, the interior of the grooves 75 is fixedly slidably connected to the slider 76, the outer side of the slider 76 is rotatably connected to the second cleaning roller 73, and an electric push rod 77 is fixedly connected to the outer side of the connecting plate 71, and the other end of the electric push rod 77 passes through the connecting plate 71 and is fixedly connected to the slider 76; when there is no contact between the first cleaning roller 72 and the second cleaning roller 73 and the film, the slider 76 can be moved by controlling the electric push rod 77, so that the second cleaning roller 73 will move toward one end of the first cleaning roller 72 under the movement of the slider 76, so that the effect of the cleaning component 7 can be flexibly adjusted.

[0031] refer to Figure 2 A transparent film 10 is fixedly connected to the lower end of the mounting frame 1, the upper end of the transparent film 10 is fixedly connected to the lower end of the control component 4, the upper end of the transparent film 10 is fixedly connected to a first magnet block 11, the lower end of the control component 4 is fixedly connected to a second magnet block 12, and the first magnet block 11 and the second magnet block 12 are magnetically connected to each other; under the action of the transparent film 10, external air can be prevented from entering the interior of the mounting frame 1 during film blow molding, and under the action of the magnet block, the transparent film 10 can be easily removed to achieve a convenient operation.

[0032] Principle and advantages of use: When in use, during film blow molding, when the film expands when entering the blow molding device 3 and the collision volume is too large, the active tooth can be rotated to make the driven gear 47 rotate under the action of the toothed belt, and the screw rod 44 can be rotated under the rotation of the driven gear 47, and the screw rod 44 can be rotated while the screw rod 44 rotates, and the threaded member 45 threadedly connected to it will move, and the control roller 46 is connected to the threaded connection so that the control cabinet will also move when the threaded member 45 moves, so that the two control rollers 46 can be squeezed together when they move, and the distance between the two control rollers 46 becomes smaller during the squeezing process, so that when the film expands, the volume of the film will become smaller when passing between the two control rollers 46, thereby avoiding the situation where the film is damaged due to excessive collision, and then the film enters the film pressing device 5 and the guide roller 6 to reach the cleaning component 7, and the film can be blown by opening The motor 82 drives the first gear 74 to rotate under the action of the toothed belt, and the second cleaning roller 73 is moved through the electric push rod 77 under the rotation of the first gear 74, so that the first cleaning roller 72 and the second cleaning roller 73 are in contact with the film, so that the first cleaning roller 72 and the second cleaning roller 73 rotate when they are in contact with the film, which can effectively clean the dust on the surface of the film. However, during cleaning, the dust suction pipe 81 can be connected to the vacuum cleaner, and then the vacuum cleaner can be started to generate negative pressure inside the dust suction frame 79, so that the dust cleaned by the first cleaning roller 72 and the second cleaning roller 73 can be adsorbed, thereby preventing the cleaned dust from contacting the film again. When the position of the second cleaning roller 73 is controlled by the electric push rod 77 under the action of the gravity tension spring 84, a tightening effect can be achieved under the action of the gravity tension spring 84, which can avoid the situation where the gears and the toothed belt are too loose to achieve the transmission effect.

Claims

1. A film blowing molding device, characterized in that: The invention comprises a mounting frame (1), one side of the mounting frame (1) is fixedly connected to an extrusion device (2), the lower end of the interior of the mounting frame (1) is fixedly connected to a blow molding device (3), the extrusion device (2) and the blow molding device (3) are fixedly connected to each other, both sides of the mounting frame (1) are fixedly connected to a control component (4), the upper end of the interior of the mounting frame (1) is fixedly connected to a film pressing device (5), the upper end of the mounting frame (1) is fixedly connected to a guide roller (6), the outer side of the mounting frame (1) is fixedly connected to a cleaning component (7), the control component (4) comprises mounting plates (41) arranged on both sides of the mounting frame (1), the mounting plates ( A slide groove (42) is provided on the opposite sides of the mounting frame (41), the inner side of the slide groove (42) is fixedly connected with the outer ring of the first bearing (43), the inner ring of the first bearing (43) is fixedly connected with a screw rod (44), the other end of the screw rod (44) passes through the mounting plate (41) and is fixedly connected with a driven gear (47), the outer side of the mounting frame (1) is rotatably connected with a driving gear (48), the driving gear (48) and the driven gear (47) are meshed with each other through a first toothed belt (49), the outer surface of the screw rod (44) is threadedly connected with a threaded member (45), and the opposite sides of the threaded member (45) are fixedly connected with a control roller (46).

2. A film blowing molding device according to claim 1, characterized in that: The cleaning assembly (7) comprises a connecting plate (71) arranged on the outside of the installation frame (1); a first cleaning roller (72) is rotatably connected to the opposite side of the connecting plate (71); a second cleaning roller (73) is rotatably connected to the opposite side of the connecting plate (71) located on the outside of the first cleaning roller (72); one end of the first cleaning roller (72) and the second cleaning roller (73) pass through the connecting plate (71) and are fixedly connected to a first gear (74); the outer surfaces of the first gear (74) are meshed and connected to each other via a second toothed belt (87); a motor (82) is fixedly connected to one side of the installation frame (1); an output shaft of the motor (82) is fixedly connected to the first gear (74) on the outside of the first cleaning roller (72).

3. A film blowing molding device according to claim 2, characterized in that: The lower end of the connecting plate (71) is fixedly connected to a connecting rod (78), the lower end of the connecting rod (78) is fixedly connected to a dust suction frame (79), the inner side of the dust suction frame (79) is provided with a dust suction port (80), and the outer side of the dust suction frame (79) is fixedly connected to a dust suction pipe (81).

4. A film blowing molding device according to claim 2, characterized in that: A mounting groove (83) is provided on one side of the mounting frame (1), a gravity tension spring (84) is fixedly connected inside the mounting groove (83), a moving block (85) is fixedly connected to the upper end of the gravity tension spring (84), the moving block (85) and the mounting groove (83) are slidably connected to each other, an adjusting gear (86) is rotatably connected to the outer surface of the moving block (85), and the adjusting gear (86) is meshed with the first gear (74) through a toothed belt.

5. A film blowing molding device according to claim 2, characterized in that: The opposite sides of the connecting plate (71) are provided with grooves (75), the interior of the grooves (75) is fixedly slidably connected to a slider (76), the outer side of the slider (76) is rotatably connected to the second cleaning roller (73), the outer side of the connecting plate (71) is fixedly connected to an electric push rod (77), and the other end of the electric push rod (77) passes through the connecting plate (71) and is fixedly connected to the slider (76).

6. A film blowing molding device according to claim 1, characterized in that: A bracket (8) is fixedly connected to one side of the upper end of the installation frame (1), and a support roller (9) is rotatably connected to the upper side of the bracket (8).

7. A film blowing molding device according to claim 1, characterized in that: A rotating disk (50) is fixedly connected to the outer side of the driving gear (48), the other end of the rotating disk (50) is fixedly connected to the outer ring of a second bearing (51), and the inner ring of the second bearing (51) is fixedly connected to a handle (52).

Citation Information

Patent Citations

  • Plastic film forming device

    CN219486550U