Cutting device for plastic film production
By adopting the design of positioning components and pre-pressing components in the plastic film cutting device, the problems of deviation and unstable cutting during cutting of plastic film are solved, and more efficient cutting effect and stability are achieved, ensuring smoothness of the plastic film roll Vertical cutting surface.
Patent Information
- Application Number
- CN202421267582.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-05
- Publication Date
- 2025-01-10
- Estimated Expiration
- 2034-06-05
AI Technical Summary
Plastic films are prone to deviate when cutting during production, which affects the cutting effect and is unstable in cutting, affecting subsequent production.
A cutting device including a base, a rotating roller, a positioning assembly and a pre-pressing assembly is designed. The plastic film roll is fixed and pressed through components such as electric push rods, guide rods, connecting frames, servo motors and telescopic springs. Prevent deviation and ensure stable rotation.
Effectively prevent plastic film rolls from deviating during cutting, improve cutting effect and efficiency, ensure smooth and vertical cutting surfaces, and improve production quality.
Smart Images
Figure CN222331060U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of plastic films, in particular to a cutting device for producing plastic films. Background Art
[0002] Films made of polyvinyl chloride, polyethylene, polypropylene, polystyrene and other resins are used for packaging and as coating layers. Plastic packaging and plastic packaging products occupy an increasingly larger share in the market, especially composite plastic flexible packaging, which has been widely used in food, medicine, chemical and other fields, among which food packaging accounts for the largest proportion, such as beverage packaging, quick-frozen food packaging, steamed food packaging, fast food packaging, etc. These products have brought great convenience to people's lives.
[0003] Before the production of plastic film, the plastic film roll needs to be cut. According to product requirements, the width of the plastic film can be adjusted by cutting. In order to ensure the smoothness and verticality of the cut surface of the plastic film roll and to ensure the subsequent production effect of the plastic film, a cutting device for plastic film production is proposed. Utility Model Content
[0004] The purpose of the utility model is to provide a cutting device for producing plastic films to solve the problems raised in the above background technology.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a cutting device for producing plastic film, comprising a base, two rollers are installed on the inner side of the base, a positioning assembly is arranged at one end of the top of the base, a column is fixedly connected to the rear side of the base, a long groove is opened on one side of the column, a slide seat is slidably connected to the inside of the long groove, and a pre-pressing assembly is arranged on the slide seat;
[0006] The positioning assembly includes a fixed seat, a fixed column, a guide rod and a connecting frame, the fixed seat is fixedly connected to one end of the top of the base, the fixed column is movably connected to the inside of the fixed seat, the guide rod movably passes through the inside of the fixed column, one end of the guide rod is fixedly connected to a fixed plate, a first connecting rod is hinged to the outside of the fixed column, a second connecting rod is hinged to the fixed plate, and the ends of the first connecting rod and the second connecting rod adjacent to each other are both hinged to the inside of the connecting frame.
[0007] Preferably, the pre-stressing assembly comprises a guide column, a fixed frame and a telescopic spring, wherein the guide column movably passes through the top of the slide seat, the fixed frame is fixedly connected to the bottom end of the guide column, the telescopic spring movably sleeved on the outer side of the guide column, and the interior of the fixed frame is movably connected to a pressure roller.
[0008] Preferably, one end of the telescopic spring is fixedly connected to the bottom of the slide seat, and the other end of the telescopic spring is fixedly connected to the top of the fixing frame.
[0009] Preferably, the interior of the long groove is rotatably connected to a screw rod, the slide seat is movably sleeved on the outside of the screw rod, and the slide seat is connected to the outside of the screw rod through threads.
[0010] Preferably, a first drive motor is installed on the top of the slide seat, and a cutting disc is installed on the output shaft of the first drive motor.
[0011] Preferably, a servo motor is installed on the top of the column, and the output shaft of the servo motor is fixedly connected to one end of the screw rod extending to the outside of the column.
[0012] Preferably, an electric push rod is installed on the top of the above-mentioned fixing seat, and the push rod end of the electric push rod is rotatably connected to the other end of the guide rod.
[0013] Preferably, the connecting shaft of the rotating roller extends to the outside of the base and is fixedly connected to a driven gear, a second drive motor is installed at one end of the base, an output shaft of the second drive motor is fixedly connected to a driving gear, and the driving gear is meshedly connected to the outside of the driven gear.
[0014] Compared with the prior art, the utility model adopts the above technical scheme and has the following technical effects: the utility model resets the push rod of the electric push rod, thereby driving the fixed disk at one end of the guide rod to move, pushing one end of the second connecting rod to move, so that the connecting frame abuts against the inside of the reel, thereby fixing the position of the plastic film roll and preventing the plastic film roll from deviating during cutting, thereby affecting the cutting effect of the plastic film roll; at the same time, the pressure roller abuts against the outside of the plastic film roll, thereby pressing and holding the plastic film roll, ensuring the stability of the rotation of the plastic film roll, so as to improve the cutting effect of the cutting disk. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0016] Figure 1 It is a schematic diagram of the structure of the utility model;
[0017] Figure 2 It is a rear view structural schematic diagram of the utility model;
[0018] Figure 3This is a schematic diagram of the structure of the pressure roller of the utility model;
[0019] Figure 4 It is a left-side structural schematic diagram of the utility model;
[0020] Figure 5 It is a schematic diagram of the top structure of the utility model.
[0021] Explanation of the reference numerals in the accompanying drawings: 1. base; 2. roller; 3. fixed seat; 4. fixed column; 5. guide rod; 6. fixed disk; 7. first connecting rod; 8. second connecting rod; 9. connecting frame; 10. electric push rod; 11. column; 12. long groove; 13. screw rod; 14. slide seat; 15. first drive motor; 16. cutting disk; 17. guide column; 18. fixed frame; 19. telescopic spring; 20. pressure roller; 21. servo motor; 22. driven gear; 23. second drive motor; 24. driving gear. DETAILED DESCRIPTION
[0022] 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.
[0023] It should be noted that the structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the conditions under which this application can be implemented. Therefore, they have no substantive technical significance. Any structural modification, change in proportional relationship or adjustment of size should still fall within the scope of the technical content disclosed in this application without affecting the effects and purposes that can be achieved by this application.
[0024] Example
[0025] See also Figure 1-5The utility model provides a technical solution: a cutting device for producing plastic film, comprising a base 1, two rollers 2 are installed on the inner side of the base 1, a positioning assembly is arranged at one end of the top of the base 1, a column 11 is fixedly connected to the rear side of the base 1, a long groove 12 is opened on one side of the column 11, a slide seat 14 is slidably connected inside the long groove 12, a first driving motor 15 is installed on the top of the slide seat 14, a cutting disc 16 is installed on the output shaft of the first driving motor 15, a pre-pressing assembly is arranged on the slide seat 14, a screw rod 13 is rotatably connected inside the long groove 12, the slide seat 14 is movably sleeved on the outer side of the screw rod 13, the slide seat 14 is connected to the outer side of the screw rod 13 by threads, a servo motor 21 is installed on the top of the column 11, and the output shaft of the servo motor 21 is fixedly connected to the screw rod 13 and extends to one end of the outer side of the column 11;
[0026] By setting a positioning assembly, the plastic film roll can be prevented from deviating during cutting, which affects the cutting effect of the plastic film roll; the positioning assembly includes a fixed seat 3, a fixed column 4, a guide rod 5 and a connecting frame 9, the fixed seat 3 is fixedly connected to one end of the top of the base 1, the fixed column 4 is movably connected to the inside of the fixed seat 3, the fixed column 4 can rotate inside the fixed seat 3, so that the rotation of the plastic film roll is not affected, the guide rod 5 movably runs through the inside of the fixed column 4, one end of the guide rod 5 is fixedly connected to a fixed disk 6, the outer side of the fixed column 4 is hinged with a first connecting rod 7, the fixed disk 6 is hinged with a second connecting rod 8, the first connecting rod 7 and the second connecting rod 8 are both hinged to the inside of the connecting frame 9, and an electric push rod 10 is installed on the top of the fixed seat 3, and the push rod end of the electric push rod 10 is rotatably connected to the other end of the guide rod 5; the push rod of the electric push rod 10 is reset, thereby driving the fixed disk 6 at one end of the guide rod 5 to move, and pushing one end of the second connecting rod 8 to move, so that the connecting frame 9 is in contact with the inside of the reel, thereby fixing the position of the plastic film roll.
[0027] By setting a pre-pressing component, the stability of the rotation of the plastic film roll can be guaranteed to improve the cutting effect of the cutting disc 16; the pre-pressing component includes a guide column 17, a fixed frame 18 and a telescopic spring 19, the guide column 17 movably passes through the top of the slide 14, the fixed frame 18 is fixedly connected to the bottom end of the guide column 17, the telescopic spring 19 is movably sleeved on the outer side of the guide column 17, one end of the telescopic spring 19 is fixedly connected to the bottom of the slide 14, and the other end of the telescopic spring 19 is fixedly connected to the top of the fixed frame 18. When the pressure roller 20 is pressed down, the telescopic spring 19 is in a compressed state. When the pressure roller 20 is separated from the outer side of the plastic film roll, the telescopic spring 19 can drive the pressure roller 20 to reset; the interior of the fixed frame 18 is movably connected with the pressure roller 20; the slide 14 moves on the column 11, and the pressure roller 20 contacts the outer side of the plastic film roll, thereby pressing and holding the plastic film roll.
[0028] In order to improve the cutting efficiency of the plastic film roll, the connecting shaft of the roller 2 extends to the outside of the base 1 and is fixedly connected to a driven gear 22. A second driving motor 23 is installed at one end of the base 1. The output shaft of the second driving motor 23 is fixedly connected to a driving gear 24. The driving gear 24 is meshed and connected to the outside of the driven gear 22. The output shaft of the second driving motor 23 drives the driving gear 24 to rotate, and the driving gear 24 drives the driven gear 22 to rotate, thereby driving the two rollers 2 to rotate, thereby driving the plastic film roll to rotate.
[0029] Working principle or structural principle, when it is necessary to cut the rolled plastic film, the plastic film roll is placed above the rotating roller 2, and one end of the paper tube inside the plastic film roll is moved to the outside of the connecting frame 9. At this time, the push rod of the electric push rod 10 is controlled by the switch group to reset, thereby driving the fixed plate 6 at one end of the guide rod 5 to move, pushing one end of the second connecting rod 8 to move, so that the connecting frame 9 is in contact with the inside of the roll, thereby fixing the position of the plastic film roll to prevent the plastic film roll from deviating during cutting and affecting the cutting effect of the plastic film roll; during cutting, the servo motor 21, the first drive motor 15 and the second drive motor are respectively controlled by the switch group. 23 is started, the output shaft of the second drive motor 23 drives the driving gear 24 to rotate, the driving gear 24 drives the driven gear 22 to rotate, thereby driving the two rollers 2 to rotate, thereby driving the plastic film roll to rotate, the output shaft of the first drive motor 15 drives the cutting disk 16 to rotate, and at the same time the output shaft of the servo motor 21 drives the screw rod 13 to rotate, the screw rod 13 drives the slide 14 to move on the column 11, thereby driving the cutting disk 16 to move downward, thereby cutting the plastic film roll, in this process, the pressure roller 20 contacts the outside of the plastic film roll, thereby pressing the plastic film roll to ensure the stability of the rotation of the plastic film roll, so as to improve the cutting effect of the cutting disk 16.
[0030] Those skilled in the art will appreciate that the features described in the various embodiments and / or claims of the present invention may be combined and / or combined in various ways, even if such combinations and / or combinations are not explicitly described in the present invention. In particular, the features described in the various embodiments and / or claims of the present invention may be combined and / or combined in various ways without departing from the spirit and teachings of the present invention. All of these combinations and / or combinations fall within the scope of the present invention.
Claims
1. A cutting device for producing plastic film, comprising a base (1), characterized in that: Two rotating rollers (2) are installed on the inner side of the base (1), a positioning assembly is arranged at one end of the top of the base (1), a column (11) is fixedly connected to the rear side of the base (1), a long groove (12) is provided on one side of the column (11), a sliding seat (14) is slidably connected inside the long groove (12), and a pre-pressing assembly is arranged on the sliding seat (14); The positioning assembly comprises a fixed seat (3), a fixed column (4), a guide rod (5) and a connecting frame (9); the fixed seat (3) is fixedly connected to one end of the top of the base (1); the fixed column (4) is movably connected to the inside of the fixed seat (3); the guide rod (5) movably passes through the inside of the fixed column (4); one end of the guide rod (5) is fixedly connected to a fixed plate (6); a first connecting rod (7) is hinged on the outer side of the fixed column (4); a second connecting rod (8) is hinged on the fixed plate (6); and the adjacent ends of the first connecting rod (7) and the second connecting rod (8) are both hinged to the inside of the connecting frame (9).
2. A cutting device for plastic film production according to claim 1, characterized in that: The pre-pressing assembly comprises a guide column (17), a fixing frame (18) and a telescopic spring (19); the guide column (17) movably passes through the top of the slide seat (14); the fixing frame (18) is fixedly connected to the bottom end of the guide column (17); the telescopic spring (19) movably sleeves on the outside of the guide column (17); and the inside of the fixing frame (18) is movably connected to a pressure roller (20).
3. A cutting device for plastic film production according to claim 2, characterized in that: One end of the telescopic spring (19) is fixedly connected to the bottom of the slide seat (14), and the other end of the telescopic spring (19) is fixedly connected to the top of the fixing frame (18).
4. A cutting device for plastic film production according to claim 1, characterized in that: The interior of the long groove (12) is rotatably connected to a screw rod (13), the sliding seat (14) is movably sleeved on the outside of the screw rod (13), and the sliding seat (14) is connected to the outside of the screw rod (13) through threads.
5. A cutting device for plastic film production according to claim 1, characterized in that: A first drive motor (15) is installed on the top of the slide seat (14), and a cutting disc (16) is installed on the output shaft of the first drive motor (15).
6. A cutting device for producing plastic film according to claim 4, characterized in that: A servo motor (21) is installed on the top of the column (11), and an output shaft of the servo motor (21) is fixedly connected to one end of the screw rod (13) extending to the outside of the column (11).
7. A cutting device for plastic film production according to claim 1, characterized in that: An electric push rod (10) is installed on the top of the fixing seat (3), and the push rod end of the electric push rod (10) is rotatably connected to the other end of the guide rod (5).
8. A cutting device for plastic film production according to claim 1, characterized in that: The connecting shaft of the rotating roller (2) extends to the outside of the base (1) and is fixedly connected to a driven gear (22); a second driving motor (23) is installed at one end of the base (1); an output shaft of the second driving motor (23) is fixedly connected to a driving gear (24); and the driving gear (24) is meshedly connected to the outside of the driven gear (22).