Efficient slitting mechanism for protective film
By designing a positioning component, the two ends of the protective film are stably fixed using components such as a drive motor and an electric push rod, which solves the problem of low cutting accuracy in the existing technology and achieves stable positioning and efficient cutting of protective films of different lengths.
Patent Information
- Application Number
- CN202422739810.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-11
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2034-11-11
AI Technical Summary
Existing protective film cutting mechanisms cannot stably fix both ends of the protective film, resulting in low cutting accuracy, uneven edges, or cutting lines deviating from the predetermined trajectory, increasing the probability of damage to the protective film or cutting deviation.
The positioning assembly includes a drive motor, a bidirectional lead screw, a threaded sleeve, a moving frame, and an electric push rod. The drive motor rotates the bidirectional lead screw, causing the threaded sleeve and the moving frame to move and press the two ends of the protective film. Combined with the electric push rod pressure plate, stable positioning is achieved. The cylinder and electric telescopic rod are used for cutting.
It achieves stable positioning of protective films of different lengths, reduces the probability of uneven edges or deviation of the cutting line, and improves cutting accuracy and the effectiveness of the protective film.
Smart Images

Figure CN223558494U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to protection film slitting mechanism technical field, concretely is a kind of protection film high -efficient slitting mechanism. BACKGROUND
[0002] Protection film is a kind of film for covering on the surface of object, aims at protecting object from physical, chemical or environmental factor damage, and the kind of protection film is various, according to different use and material, can be divided into digital product protection film, automobile protection film, household protection film, food preservation protection film etc., in digital product field, especially mobile phone screen protection film, the function of protection film has diversified, including scratchproof, anti-ultraviolet, anti-static, anti-fingerprint etc.
[0003] Protection film needs to use slitting mechanism in production and recycling process, to carry out slitting to protection film, to reach the effect of length adjustment and cutting waste, current existing slitting mechanism, although its cutting speed is faster.
[0004] But, when cutting protection film, if two ends are not fixed tightly, possibly lead to protection film displacement or deformation in cutting process, to affect the precision of cutting and the use effect of protection film, current existing slitting mechanism cannot be applicable to protection film of different lengths and the two ends of protection film more stably positioned, lead to the edge of protection film uneven or cutting line deviates from the predetermined trajectory, in turn, improve the probability of protection film being damaged or cutting deviation, not conducive to use, therefore, a kind to be presented protection film high -efficient slitting mechanism to solve the problems presented in the above. UTILITY MODEL CONTENTS
[0005] In view of the deficiencies of prior art, the utility model provides a kind of protection film high -efficient slitting mechanism, solves the current existing slitting mechanism, cannot be applicable to protection film of different lengths and the two ends of protection film more stably positioned, lead to the edge of protection film uneven or cutting line deviates from the predetermined trajectory, in turn, improve the probability of protection film being damaged or cutting deviation, not conducive to use.
[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of protection film high -efficient slitting mechanism, including workbench and moving frame, the top of the workbench is provided with positioning assembly;
[0007] The positioning assembly comprises a mounting frame fixedly connected to the top of the workbench, a fixing frame and a device frame, the rear end of the mounting frame is fixedly connected with a driving motor, the output shaft of the driving motor is fixedly connected with a bidirectional screw rod, the outer surface of the bidirectional screw rod is threadedly connected with a threaded sleeve, the inner side of the fixing frame is fixedly connected with a sleeve pipe, the outer surface of the sleeve pipe is slidably connected with a moving sleeve, the middle part of the bidirectional screw rod is fixedly connected with a limiting ring, the top end of the threaded sleeve and the moving sleeve are fixedly connected with the bottom end of a moving frame, the top of the moving frame is fixedly installed with an electric push rod, and the output shaft of the electric push rod is fixedly connected with a pressing plate.
[0008] Further, the mounting frame and the fixing frame have the same outer diameter, the moving frame, the threaded sleeve and the moving sleeve have the same number, and the number is two.
[0009] Further, the top of the device frame is fixedly installed with a gas cylinder, the output shaft of the gas cylinder is fixedly connected with a lifting frame, the left side of the lifting frame is fixedly connected with an electric telescopic rod, the telescopic end of the electric telescopic rod is fixedly connected with a sliding block, and the front surface of the sliding block is fixedly installed with a slitting cutter through bolts.
[0010] Further, the inner side of the lifting frame is fixedly connected with a limiting rod, and the sliding block and the limiting rod are slidably connected.
[0011] Further, the top of the workbench is provided with a positioning opening, and the outer diameter of the slitting cutter is smaller than the inner diameter of the positioning opening.
[0012] Further, a collecting box is arranged directly below the positioning opening, and the bottom of the collecting box is rotatably connected with a pulley.
[0013] Further, the inner bottom wall of the workbench is provided with a sliding groove, and the sliding groove and the pulley are slidably connected.
[0014] Compared with the prior art, the protective film high-efficiency slitting mechanism has the following beneficial effects:
[0015] The efficient cutting mechanism of the protective film is characterized in that the positioning assembly is arranged, when in use, the driving motor can drive the bidirectional screw rod to rotate clockwise, so that the two threaded sleeves move away from each other, wherein when the threaded sleeves move, the two moving frames are driven to move in opposite directions, so that the moving sleeves slide on the outer surface of the sleeve, when the two moving frames move to the front and rear ends of the protective film respectively, the driving motor is stopped and the electric push rod is started, which can drive the pressing plate to move vertically downward, and finally the front and rear ends of the protective film are pressed and positioned at the same time, so as to avoid the situation that the two ends are not fixed tightly, thereby compared with the existing cutting mechanism, the efficient cutting mechanism of the protective film can be applied to protective films of different lengths and stably fix the two ends of the protective film, the edge of the protective film is not easy to be uneven or the cutting line deviates from the predetermined track, thereby reducing the probability of damage or cutting deviation of the protective film, and being more beneficial to use. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is a structural section view of the utility model;
[0017] Figure 2 It is a structural plan view of the utility model;
[0018] Figure 3 It is a structural side view of the utility model;
[0019] Figure 4 It is a structural perspective view of the sliding block of the utility model.
[0020] In the drawing: 1 workbench, 2 mounting frame, 3 fixed frame, 4 equipment frame, 5 driving motor, 6 bidirectional screw rod, 7 threaded sleeve, 8 sleeve, 9 moving sleeve, 10 limit ring, 11 moving frame, 12 electric push rod, 13 pressing plate, 14 air cylinder, 15 lifting frame, 16 electric telescopic rod, 17 sliding block, 18 cutting knife, 19 limit rod, 20 positioning port, 21 collection box, 22 pulley, 23 sliding groove. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0022] Embodiment one:
[0023] Please refer to Figures 1 to 3 The efficient cutting mechanism of the protective film in the embodiment comprises a workbench 1 and a moving frame 11, and the top of the workbench 1 is provided with a positioning assembly;
[0024] The positioning assembly comprises a mounting frame 2 fixedly connected to the top of the workbench 1, a fixing frame 3 and a device frame 4, the rear end of the mounting frame 2 is fixedly connected with a driving motor 5, the output shaft of the driving motor 5 is fixedly connected with a bidirectional screw rod 6, the outer surface of the bidirectional screw rod 6 is threadedly connected with a threaded sleeve 7, the inner side of the fixing frame 3 is fixedly connected with a sleeve pipe 8, the outer surface of the sleeve pipe 8 is slidably connected with a moving sleeve 9, the middle part of the bidirectional screw rod 6 is fixedly connected with a limiting ring 10, the top end of the threaded sleeve 7 and the moving sleeve 9 are fixedly connected with the bottom end of a moving frame 11, the top of the moving frame 11 is fixedly installed with an electric push rod 12, the output shaft of the electric push rod 12 is fixedly connected with a pressing plate 13, in use, the driving motor 5 can drive the bidirectional screw rod 6 to rotate clockwise, so that the two threaded sleeves 7 move away from each other, wherein when the threaded sleeves 7 move, the two moving frames 11 can be driven to move relatively, so that the moving sleeve 9 slides on the outer surface of the sleeve pipe 8, when the two moving frames 11 move to the front and rear ends of the protective film respectively, the driving motor 5 is stopped and the electric push rod 12 is started, so as to drive the pressing plate 13 to move vertically downwards, and finally the front and rear ends of the protective film are pressed at the same time, so as to avoid the situation that the two ends are not fixed tightly.
[0025] Thus, compared with the existing slitting mechanism, the function of being applicable to protective films of different lengths and stably fixing the two ends of the protective film is realized, the situation that the edges of the protective film are uneven or the cutting line deviates from the predetermined track is not prone to occur, the probability of the protective film being damaged or cutting deviation is reduced, and use is more convenient.
[0026] It should be noted that the outer diameters of the mounting frame 2 and the fixing frame 3 are the same, the number of the moving frames 11, the threaded sleeves 7 and the moving sleeves 9 is the same, and the number is two.
[0027] It should be understood that before cutting, the staff needs to draw a cutting line on the outer surface of the protective film to ensure the accuracy of slitting.
[0028] Embodiment Two
[0029] Please refer to Figure 1 , Figure 3 and Figure 4 , on the basis of embodiment one, the top of the device frame 4 is fixedly installed with a pneumatic cylinder 14, the output shaft of the pneumatic cylinder 14 is fixedly connected with a lifting frame 15, the left side of the lifting frame 15 is fixedly connected with an electric telescopic rod 16, the telescopic end of the electric telescopic rod 16 is fixedly connected with a sliding block 17, the front surface of the sliding block 17 is fixedly installed with a slitting cutter 18 through bolts, by arranging the pneumatic cylinder 14 and the electric telescopic rod 16, the slitting cutter 18 can be driven to move up and down and transversely, so as to cut the protective film better.
[0030] It should be noted that the staff only needs to disassemble the bolts, so as to take down the slitting cutter 18 for grinding and replacement, which is more convenient.
[0031] The inner side of the lifting frame 15 is fixedly connected with a limiting rod 19, the sliding block 17 is in sliding connection with the limiting rod 19, the top of the workbench 1 is provided with a positioning opening 20, the outer diameter of the slitting cutter 18 is smaller than the inner diameter of the positioning opening 20, and through the positioning opening 20, the cutting positioning effect is achieved. At the same time, the staff can also directly sweep the waste into the inside of the collecting box 21 through the positioning opening 20.
[0032] In addition, the collecting box 21 is arranged directly below the positioning opening 20, the bottom of the collecting box 21 is rotatably connected with a pulley 22, the inner bottom wall of the workbench 1 is provided with a sliding groove 23, the sliding groove 23 is in sliding connection with the pulley 22, through the collecting box 21 arranged directly below the positioning opening 20, the effect of collecting the waste protective film is achieved, and the sliding groove 23 and the pulley 22 can move the collecting box 21 back and forth on the inside of the workbench 1, so that the staff can push out the collecting box 21 to centrally process the waste.
[0033] The working principle of the above embodiment is as follows:
[0034] In use, the staff first needs to lay the protective film on the top of the workbench 1, and make the cutting line coincide with the position of the positioning opening 20, after the placement is completed, the driving motor 5 is started, wherein the driving motor 5 can drive the bidirectional screw rod 6 to rotate clockwise, so that the two threaded sleeves 7 move away from each other, wherein when the threaded sleeves 7 move, the two moving frames 11 are relatively moved, so that the moving sleeves 9 slide on the outer surface of the sleeve pipes 8, when the two moving frames 11 respectively move to the front and rear ends of the protective film, the driving motor 5 is stopped and the electric push rod 12 is started, which can drive the pressing plate 13 to move vertically downward, and finally the front and rear ends of the protective film are pressed at the same time to avoid the situation that the two ends are not fixed tightly, when the two ends of the protective film are pressed by the pressing plate 13, the air cylinder 14 is started, the slitting cutter 18 is vertically moved downward by the lifting frame 15 until the lower end of the slitting cutter 18 is inserted into the positioning opening 20, when the slitting cutter 18 is inserted, the air cylinder 14 is stopped, and the electric telescopic rod 16 is started, which can drive the slitting cutter 18 to move horizontally in the inside of the positioning opening 20 through the sliding block 17, and finally cut the protective film.
[0035] The electrical components appearing in the text are electrically connected with the main control unit and the power supply, the main control unit can be a conventional known device such as a computer which can play a control role, and the existing disclosed power connection technology is not described herein.
[0036] It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting; it is not intended to exclude myriad other embodiments of the present application that other inventors can develop based on the same general inventive concepts embodied by the described embodiments. That is, although the present application is described in terms of particular embodiments and implementations, it is to be understood that the terminology used is for the purpose of descriptive clarity and that it is intended to be limited only by the words recited in the appended claims. The scope of the present application shall be limited only by the claims.
[0037] While the embodiments of the present application have been shown and described with respect to particular embodiments thereof, it will be understood by those skilled in the art that various changes in form and details can be made therein without departing from the spirit and scope of the application. Therefore, the scope of the application should not be limited by the embodiments, but should be defined only in accordance with the following claims and their equivalents.
Claims
1. A high-efficiency protective film slitting mechanism, comprising a worktable (1) and a movable frame (11), characterized in that: A positioning component is provided on the top of the workbench (1); The positioning assembly includes a mounting bracket (2), a fixing bracket (3), and an equipment frame (4) fixedly connected to the top of the workbench (1). A drive motor (5) is fixedly connected to the rear end of the mounting bracket (2). A bidirectional lead screw (6) is fixedly connected to the output shaft of the drive motor (5). A threaded sleeve (7) is threadedly connected to the outer surface of the bidirectional lead screw (6). A sleeve (8) is fixedly connected to the inner side of the fixing bracket (3). A movable sleeve (9) is slidably connected to the outer surface of the sleeve (8). A limit ring (10) is fixedly connected to the middle of the bidirectional lead screw (6). The top ends of the threaded sleeve (7) and the movable sleeve (9) are fixedly connected to the bottom end of the movable frame (11). An electric push rod (12) is fixedly installed on the top of the movable frame (11). A pressure plate (13) is fixedly connected to the output shaft of the electric push rod (12).
2. The high-efficiency protective film slitting mechanism according to claim 1, characterized in that: The mounting bracket (2) and the fixed bracket (3) have the same outer diameter. The number of the movable bracket (11), the threaded sleeve (7) and the movable sleeve (9) are the same, and there are two of each.
3. The high-efficiency slitting mechanism for protective films according to claim 1, characterized in that: A cylinder (14) is fixedly installed on the top of the equipment frame (4). The output shaft of the cylinder (14) is fixedly connected to a lifting frame (15). An electric telescopic rod (16) is fixedly connected to the left side of the lifting frame (15). A slider (17) is fixedly connected to the telescopic end of the electric telescopic rod (16). A slitting blade (18) is fixedly installed on the front side of the slider (17) by bolts.
4. The high-efficiency protective film slitting mechanism according to claim 3, characterized in that: The inner side of the lifting frame (15) is fixedly connected to a limiting rod (19), and the slider (17) is slidably connected to the limiting rod (19).
5. The high-efficiency slitting mechanism for protective films according to claim 3, characterized in that: The top of the workbench (1) is provided with a positioning port (20), and the outer diameter of the slitting blade (18) is smaller than the inner diameter of the positioning port (20).
6. The high-efficiency slitting mechanism for protective films according to claim 5, characterized in that: A collection box (21) is provided directly below the positioning port (20), and pulleys (22) are rotatably connected around the bottom of the collection box (21).
7. The high-efficiency slitting mechanism for protective films according to claim 1, characterized in that: The inner bottom wall of the workbench (1) is provided with a sliding groove (23), and the sliding groove (23) is slidably connected to the pulley (22).