Plastic film printing and cutting device
By introducing a combination structure of vertical rods, lifting frames, and power motors into the plastic film printing and cutting device, combined with the clamping design of the lower and upper rollers, the problem of uneven cuts during the plastic film cutting process is solved, achieving flat cuts and cutting stability, and improving the product's aesthetics.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-06-26
- Publication Date
- 2026-03-20
AI Technical Summary
Existing plastic film cutting devices are prone to producing uneven cuts during the cutting process, affecting the aesthetics.
A plastic film printing and cutting device was designed. By setting up a vertical rod, a lifting frame, a power motor and a round rod, the power motor drives the rotating shaft and the round rod to press the front and back sides of the plastic film cut. Combined with the clamping structure of the lower roller and the upper roller, the stability and flatness of the cutting process are ensured.
It improves the flatness of the plastic film cut, ensures the stability of the cutting process, avoids the plastic film from shifting during the cutting process, and enhances the product's aesthetics.
Smart Images

Figure CN224012409U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to plastic film cutting device technical field, specifically a kind of plastic film printing cutting device. BACKGROUND
[0002] Plastic film is a kind of film-shaped material made of plastic as main raw material, with light, transparent, good flexibility, waterproof and moistureproof, lower cost and other characteristics, it is widely used in packaging field, such as food, daily necessities, industrial product packaging;Agriculture can be used for greenhouse covering, mulching film covering and the like;In construction, electronics, medical and other industries also have indispensable purposes, which provide convenience for goods protection, production and processing, environmental regulation and the like.
[0003] Plastic film is printed with patterns, characters and colors on the surface through specific process during processing, so as to improve the appearance of plastic film, after printing, it needs to be cut according to preset size and shape, the existing cutting device can play basic cutting function, but during use, cutting knife will drive plastic film to move slightly during cutting, the slight movement will make the cut uneven, affect the appearance of plastic film, so it needs to be improved. UTILITY MODEL CONTENT
[0004] The utility model aims at the above problems, and provides a kind of plastic film printing cutting device, with the advantage of cut flat.
[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of plastic film printing cutting device, including bottom plate, the front side of the top of bottom plate is fixedly installed with support frame, the inside of the left and right sides of support frame is movably sleeved with vertical rod, the bottom of vertical rod is fixedly connected with pressing plate, the top between vertical rod is fixedly connected with lifting frame, the front and back of support frame are fixedly installed with fixed plate, the front of fixed plate is fixedly installed with power motor, the other end of power motor output shaft is fixedly connected with rotating shaft, the rear end of rotating shaft penetrates fixed plate and extends to the back of fixed plate and is fixedly sleeved with first disc, the inside of the top of first disc is fixedly sleeved with round rod, the rear end of round rod passes through two lifting frames and is movably connected with the inner surface of two lifting frames, the rear side of the outer surface of round rod is fixedly sleeved with second disc, the inside of second disc is movably sleeved with fixed shaft, the outer surface of fixed shaft is fixedly sleeved with the inner wall of fixed plate.
[0006] As the utility model is preferred, the left side of the bottom plate is fixedly connected with a driving motor, the other end of the driving motor output shaft is fixedly connected with a threaded rod, the right end of the threaded rod extends to the inside of the bottom plate and movably sleeves the inner wall of the bottom plate, the right side of the outer surface of the threaded rod is threadedly sleeved with a moving block, the bottom of the moving block is movably connected with the bottom of the inner surface of the bottom plate, and the top of the moving block is fixedly connected with a cutting knife.
[0007] As the utility model is preferred, the left side of the bottom plate is fixedly connected with a driving motor, the right end of the threaded rod extends to the inside of the bottom plate and movably sleeves the inner wall of the bottom plate, the right side of the outer surface of the threaded rod is threadedly sleeved with a moving block, the bottom of the moving block is movably connected with the bottom of the inner surface of the bottom plate, and the top of the moving block is fixedly connected with a cutting knife.
[0008] As the utility model is preferred, the left side of the bottom plate is fixedly connected with a driving motor, the right end of the threaded rod extends to the inside of the bottom plate and movably sleeves the inner wall of the bottom plate, the right side of the outer surface of the threaded rod is threadedly sleeved with a moving block, the bottom of the moving block is movably connected with the bottom of the inner surface of the bottom plate, and the top of the moving block is fixedly connected with a cutting knife.
[0009] As the utility model is preferred, the left side of the bottom plate is fixedly connected with a driving motor, the right end of the threaded rod extends to the inside of the bottom plate and movably sleeves the inner wall of the bottom plate, the right side of the outer surface of the threaded rod is threadedly sleeved with a moving block, the bottom of the moving block is movably connected with the bottom of the inner surface of the bottom plate, and the top of the moving block is fixedly connected with a cutting knife.
[0010] As the utility model is preferred, the left side of the bottom plate is fixedly connected with a driving motor, the right end of the threaded rod extends to the inside of the bottom plate and movably sleeves the inner wall of the bottom plate, the right side of the outer surface of the threaded rod is threadedly sleeved with a moving block, the bottom of the moving block is movably connected with the bottom of the inner surface of the bottom plate, and the top of the moving block is fixedly connected with a cutting knife.
[0011] As the utility model is preferred, the left side of the bottom plate is fixedly connected with a driving motor, the right end of the threaded rod extends to the inside of the bottom plate and movably sleeves the inner wall of the bottom plate, the right side of the outer surface of the threaded rod is threadedly sleeved with a moving block, the bottom of the moving block is movably connected with the bottom of the inner surface of the bottom plate, and the top of the moving block is fixedly connected with a cutting knife.
[0012] Compared with the prior art, the utility model has the advantages of the following:
[0013] 1、The utility model discloses a vertical rod, a lifting frame, a power motor and a round rod are set up, when the plastic film needs to be cut, the power motor is started, the rotating shaft drives the first disc to rotate, the round rod extrudes and pushes the inner surface of the lifting frame, and then drives the lifting frame to move downward, the lifting frame moves downward and drives the two pressing plates to move downward through the vertical rod, so that the vertical rod can press the two sides of the plastic film cutout, and the flatness of the plastic film cutout is improved.
[0014] 2, the utility model discloses a lower cylinder, upper cylinder, hinged rod and spring are set up, and the operator is pulled to the pull plate upwards, makes the pull plate drive the lifting plate to move upwards to the lower cylinder and upper cylinder are separated, then the operator is passed through the lower cylinder and upper cylinder between plastic film, releases the pull plate to make the spring can drive the sliding block to move outwards under the elastic recovery effect, makes the hinged rod push the lifting plate to move downwards to the upper cylinder and the lower cylinder are clamped to the plastic film, when the lower cylinder rotates and will forwardly deliver the plastic film to the purpose of automatic feeding is realized, and the operator uses conveniently. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is the structure schematic diagram of the utility model;
[0016] Figure 2 It is the sectional structure schematic diagram of the utility model bottom plate;
[0017] Figure 3 It is the structure schematic diagram of the utility model support frame;
[0018] Figure 4 It is the sectional structure schematic diagram of the utility model support frame side;
[0019] Figure 5 It is the structure schematic diagram of the utility model lower cylinder;
[0020] Figure 6 It is the sectional structure schematic diagram of the utility model lower cylinder front.
[0021] In the drawing: 1, bottom plate; 2, support frame; 3, vertical rod; 4, pressing plate; 5, lifting frame; 6, fixed plate; 7, power motor; 8, rotating shaft; 9, first disc; 10, round rod; 11, second disc; 12, fixed shaft; 13, drive motor; 14, threaded rod; 15, moving block; 16, cutting knife; 17, side plate; 18, winding roller; 19, rectangular plate; 20, servo motor; 21, round shaft; 22, lower cylinder; 23, fixed frame; 24, lifting plate; 25, horizontal shaft; 26, upper cylinder; 27, pull plate; 28, limiting rod; 29, sliding block; 30, hinged rod; 31, spring. DETAILED DESCRIPTION
[0022] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the scope of protection of the utility model.
[0023] As Figures 1 to 6The utility model provides a kind of plastic film printing cutting device, including bottom plate 1, the front side fixed mounting of bottom plate 1 top is equipped with support frame 2, the inside of support frame 2 left and right sides is movably sleeved with vertical rod 3, the bottom fixed connection of vertical rod 3 is equipped with pressing plate 4, the top fixed connection between vertical rod 3 is equipped with lifting frame 5, the front and back of support frame 2 are fixedly installed with fixed plate 6, the front of fixed plate 6 is fixedly installed with power motor 7, the other end fixed connection of power motor 7 output shaft is equipped with rotating shaft 8, the rear end of rotating shaft 8 penetrates fixed plate 6 and extends to the back of fixed plate 6 and is fixedly sleeved with first disc 9, the inside fixed sleeve of first disc 9 top is equipped with round bar 10, the rear end of round bar 10 passes through two lifting frames 5 and is movably connected with the inner surface of two lifting frames 5, the rear side fixed sleeve of round bar 10 outer surface is equipped with second disc 11, the inside movably sleeved with fixed shaft 12 of second disc 11, the outer surface of fixed shaft 12 and the inner wall of fixed plate 6 are fixedly sleeved.
[0024] When cutting plastic film, by starting power motor 7, rotating shaft 8 drives first disc 9 to rotate, first disc 9 drives round bar 10 to rotate around rotating shaft 8, so as to extrude and push the inner surface of two lifting frames 5, drive two lifting frames 5 to move downward, so that lifting frame 5 drives two pressing plates 4 to move downward at the same time, when the bottom of pressing plate 4 contacts the plastic film, the front and back of the cutting part of the plastic film is pressed tightly, so as to ensure that the cutting can be carried out stably, and avoid the plastic film from shifting during cutting.
[0025] Wherein, the left side of bottom plate 1 is fixedly connected with driving motor 13, the other end of driving motor 13 output shaft is fixedly connected with threaded rod 14, the right end of threaded rod 14 extends to the inside of bottom plate 1 and is movably sleeved with the inner wall of bottom plate 1, the right side of threaded rod 14 outer surface is screwedly sleeved with moving block 15, the bottom of moving block 15 is movably connected with the bottom of bottom plate 1 inner surface, the top of moving block 15 is fixedly connected with cutting knife 16.
[0026] When driving motor 13 starts, threaded rod 14 drives moving block 15 to move left, so that moving block 15 drives cutting knife 16 to move left, and then cuts the plastic film.
[0027] Wherein, the left and right sides of the top rear side of bottom plate 1 are fixedly installed with side plate 17, side plate 17 is movably sleeved with winding roller 18 between.
[0028] The operator can wind the plastic film in roll on the outer surface of winding roller 18, so as to unwind when cutting the plastic film subsequently.
[0029] The left side of the rectangular plate 19 is fixedly installed with a servo motor 20, the other end of the output shaft of the servo motor 20 is fixedly connected with a round shaft 21, the right end of the round shaft 21 extends to the inside of the rectangular plate 19 and movably sleeves the inner wall of the rectangular plate 19, and the outer surface of the round shaft 21 is fixedly sleeved with a lower roller 22.
[0030] When the servo motor 20 is started, the round shaft 21 will rotate, so that the round shaft 21 drives the lower roller 22 to rotate.
[0031] The top of the rectangular plate 19 is fixedly installed with a fixed frame 23, the fixed frame 23 is movably connected with a lifting plate 24, the inside of the lifting plate 24 is fixedly sleeved with a horizontal shaft 25, the outer surface of the horizontal shaft 25 is movably sleeved with an upper roller 26, the top of the lifting plate 24 is fixedly connected with a pull plate 27, and the outer surface of the pull plate 27 movably sleeves the inner wall of the fixed frame 23.
[0032] The upper roller 26 is arranged, so that the upper roller 26 cooperates with the lower roller 22 to clamp the plastic film, and when the lower roller 22 rotates, the plastic film is forwarded.
[0033] The top end of the inside of the fixed frame 23 is fixedly sleeved with a limiting rod 28, the left and right sides of the outer surface of the limiting rod 28 are movably sleeved with sliding blocks 29, the top end of the sliding block 29 is movably connected with the top of the inner surface of the fixed frame 23, the inside of the bottom end of the sliding block 29 is hingedly connected with a hinge rod 30, and the bottom end of the hinge rod 30 is hingedly connected with the top of the lifting plate 24.
[0034] When the lifting plate 24 rises, the two sliding blocks 29 are pushed to move towards each other through the hinge rod 30.
[0035] The outer side of the sliding block 29 is fixedly connected with a spring 31, and the other end of the spring 31 is fixedly connected with the inner surface of the fixed frame 23.
[0036] The spring 31 is arranged, so that the spring 31 can outwardly pull the sliding block 29 under the elastic recovery action, so that the hinge rod 30 pushes down the lifting plate 24, and the upper roller 26 and the lower roller 22 can clamp the plastic film.
[0037] The working principle and use process of the utility model:
[0038] The operator pulls the pull plate 27 upwards, so that the pull plate 27 drives the lifting plate 24 to move upwards, so that the lower roller 22 and the upper roller 26 are separated, then the plastic film wound on the surface of the winding roller 18 is passed between the lower roller 22 and the upper roller 26, at this time, the pull plate 27 is released, the spring 31 drives the two sliding blocks 29 to move in opposite directions under the elastic recovery, so that the hinged rod 30 pushes the lifting plate 24 and the upper roller 26 to move downwards, so that the upper roller 26 clamps the plastic film with the lower roller 22, then the servo motor 20 is started, so that the circular shaft 21 drives the lower roller 22 to rotate, so that the plastic film can be conveyed forward.
[0039] When cutting, the power motor 7 is started, the rotating shaft 8 drives the first disc 9 to rotate, the circular rod 10 extrudes and pushes the inner surface of the lifting frame 5, so that the lifting frame 5 moves downwards, the lifting frame 5 drives the pressing plate 4 to move downwards through the vertical rod 3, so that the two pressing plates 4 can simultaneously press the plastic film on the front and rear sides of the cutting knife 16, at this time, the driving motor 13 is started, the threaded rod 14 drives the moving block 15 to move leftwards, so that the cutting knife 16 cuts the plastic film, and the flatness of the plastic film cut is improved.
[0040] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.
[0041] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made thereto without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A plastic film printing and cutting device, comprising a base plate (1), characterized in that: A support frame (2) is fixedly installed on the front side of the top of the base plate (1). Vertical rods (3) are movably sleeved inside the left and right sides of the support frame (2). A pressure plate (4) is fixedly connected to the bottom of the vertical rods (3). A lifting frame (5) is fixedly connected to the top between the vertical rods (3). A fixing plate (6) is fixedly installed on both the front and back of the support frame (2). A power motor (7) is fixedly installed on the front of the fixing plate (6). A rotating shaft (8) is fixedly connected to the other end of the output shaft of the power motor (7). The rear of the rotating shaft (8) The end of the fixed plate (6) extends to the back of the fixed plate (6) and is fixedly sleeved with a first disc (9). A round rod (10) is fixedly sleeved inside the top of the first disc (9). The rear end of the round rod (10) passes through two lifting frames (5) and is movably connected to the inner surface of the two lifting frames (5). A second disc (11) is fixedly sleeved on the rear side of the outer surface of the round rod (10). A fixed shaft (12) is movably sleeved inside the second disc (11). The outer surface of the fixed shaft (12) is fixedly sleeved with the inner wall of the fixed plate (6).
2. The plastic film printing and cutting device according to claim 1, characterized in that: A drive motor (13) is fixedly connected to the left side of the base plate (1). A threaded rod (14) is fixedly connected to the other end of the output shaft of the drive motor (13). The right end of the threaded rod (14) extends into the interior of the base plate (1) and is movably sleeved with the inner wall of the base plate (1). A moving block (15) is threadedly sleeved on the right side of the outer surface of the threaded rod (14). The bottom of the moving block (15) is movably connected to the bottom of the inner surface of the base plate (1). A cutter (16) is fixedly connected to the top of the moving block (15).
3. The plastic film printing and cutting device according to claim 1, characterized in that: Side plates (17) are fixedly installed on both the left and right sides of the top rear side of the base plate (1), and a winding roller (18) is movably sleeved between the side plates (17).
4. The plastic film printing and cutting device according to claim 1, characterized in that: A rectangular plate (19) is fixedly installed on both the left and right sides of the top of the base plate (1). A servo motor (20) is fixedly installed on the left side of the rectangular plate (19). A round shaft (21) is fixedly connected to the other end of the output shaft of the servo motor (20). The right end of the round shaft (21) extends into the interior of the rectangular plate (19) and is movably sleeved with the inner wall of the rectangular plate (19). A lower roller (22) is fixedly sleeved on the outer surface of the round shaft (21).
5. A plastic film printing and cutting device according to claim 4, characterized in that: A fixed frame (23) is fixedly installed on the top of the rectangular plate (19). A lifting plate (24) is movably connected between the fixed frames (23). A horizontal shaft (25) is fixedly sleeved inside the lifting plate (24). An upper roller (26) is movably sleeved on the outer surface of the horizontal shaft (25). A pull plate (27) is fixedly connected to the top of the lifting plate (24). The outer surface of the pull plate (27) is movably sleeved with the inner wall of the fixed frame (23).
6. The plastic film printing and cutting device according to claim 5, characterized in that: The top of the fixed frame (23) is fixedly sleeved with a limiting rod (28). The left and right sides of the outer surface of the limiting rod (28) are movably sleeved with sliders (29). The top of the sliders (29) is movably connected to the top of the inner surface of the fixed frame (23). The bottom of the sliders (29) is hinged with a hinge rod (30). The bottom of the hinge rod (30) is hinged to the top of the lifting plate (24).
7. A plastic film printing and cutting device according to claim 6, characterized in that: A spring (31) is fixedly connected to the outside of the slider (29), and the other end of the spring (31) is fixedly connected to the inner surface of the fixing frame (23).