Plastic film cutting device
By using a hydraulically driven folding arm and moving column design, combined with a transport vehicle and sliding block adjustment support plate, the problem of complex material roller replacement in plastic film cutting devices is solved, improving production efficiency and cutting accuracy.
Patent Information
- Application Number
- CN202520312853.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-26
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-02-26
AI Technical Summary
Existing plastic film cutting devices are complicated to operate when changing raw material rollers, which consumes time and manpower and affects production efficiency.
The hydraulically driven folding arm structure and moving column design simplify the assembly and disassembly of the raw material rollers and enable quick replacement via a transport vehicle; the sliding block adjustment support plate limits the range of raw material movement to ensure cutting accuracy.
It enables rapid replacement of raw material rollers and ensures material stability during the cutting process, thereby improving production efficiency and cutting accuracy.
Smart Images

Figure CN223906197U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of cutting device especially relates to a plastic film cutting device. BACKGROUND
[0002] The cutting device is a kind of equipment that cuts material according to preset size and shape, including flat knife, round knife, laser cutting device and other types, and the working principles are different, and the cutting device is used in plastic film production, because different application scenarios have specific requirements for film size, and the cutting device can meet these specification requirements, and can also improve production efficiency, ensure cutting quality, make the cut film convenient for subsequent processing and use, so as to play an important role in plastic film production, and ensure that products meet the diversified needs of the market.
[0003] The working principles of existing plastic film cutting devices are different, flat knife cutting device drives blade by mechanical or hydraulic transmission, according to set trajectory, cuts film by blade edge and pressure, is mostly used to cut large size film, round knife cutting device cuts film by high-speed rotation of circular blade and relative motion of film, cuts in contact moment, cutting is continuous and precision is high, is suitable for narrow width and high precision film, laser cutting device uses high energy density laser beam to irradiate film, makes material melt or vaporize to complete cutting, is controlled by computer, can cut complex shape, precision is extremely high, ultrasonic cutting device uses ultrasonic generator high frequency vibration, converts by transducer, makes tool head high frequency vibration to melt and cut film by molecular friction heating, and has heat sealing effect, prevents edge problem.
[0004] In the actual application scene of plastic film cutting device, although it shows certain advantages in cutting process, but there is still a problem, when raw material roll needs to be replaced, the whole operation process is extremely complicated, operator first needs to shut down equipment and cut off power, then removes a series of mechanical parts for fixing raw material roll, such as fastening bolt, support seat connecting device and the like, this process needs to use multiple tools and the operation space is narrow, increases operation difficulty, then, old raw material roll needs to be removed, when installing new roll, the above steps need to be repeated in reverse to accurately position and fix, ensure that it accurately connects with transmission device, these complex steps consume a lot of time and manpower, greatly affect the efficiency of plastic film cutting device, reduce the overall efficiency of production. UTILITY MODEL CONTENTS
[0005] In order to make up for the above shortcomings, the utility model provides a plastic film cutting device, which aims at improving the problem that operator needs to go through complex steps to remove and replace raw material roll when raw material roll needs to be replaced.
[0006] In order to achieve the above object, the utility model discloses the following technical scheme: a plastic film cutting device, including the bottom plate, the bottom plate top fixedly connected with the support frame, the support frame inside rotatable connection has the transport roller, the support frame one side rotatable connection has a plurality of folding arms, be provided with a plurality of hydraulic rods between the support frame and folding arm, every hydraulic rod one end is fixedly connected in the support frame one side, every hydraulic rod output end is connected with the folding arm top, every folding arm inside all slidingly connected with the mobile column, every mobile column outer wall all is fixedly connected with a plurality of sliding columns, every mobile column one end all is fixedly connected with the limit disc, every mobile column one end all is provided with fixed assembly, be provided with raw material roller between the folding arm, the bottom plate top is provided with the transport component, the bottom plate one side is fixedly connected with the slide;
[0007] Every fixed assembly all includes the rotating disc, the spring, a plurality of connecting blocks and a plurality of fixed columns, the rotating disc one side is fixedly connected in the mobile column one end, the spring is set up in the mobile column outer wall, the spring one end is fixedly connected in the rotating disc one side, the spring other end is fixedly connected in the folding arm one side, every connecting block one end all is fixedly connected in the rotating disc outer wall, every fixed column one end all is fixedly connected in the connecting block one side, every fixed column outer wall all slidingly connected in the raw material roller inside.
[0008] As further description of the above technical scheme:
[0009] The transport component includes a transport vehicle and a plurality of wheels, the transport vehicle bottom is slidingly connected in the bottom plate top, and the top of each wheel is fixedly connected to the bottom of the transport vehicle.
[0010] As further description of the above technical scheme:
[0011] The support frame is rotatably connected with a power roller inside, a plurality of support columns are fixedly connected to the top of the bottom plate, and an operation platform is fixedly connected to the top of the support column.
[0012] As further description of the above technical scheme:
[0013] The operation platform is fixedly connected with a plurality of sliding blocks inside, each sliding block is fixedly connected with a sliding bar on one side, and each two sliding blocks are fixedly connected with a lower support plate on the top.
[0014] As further description of the above technical scheme:
[0015] Each lower support plate is fixedly connected with a connecting plate on the top, each connecting plate is fixedly connected with an upper support plate on the top, and a plurality of sliding grooves are formed in the top of the operation platform.
[0016] As further description of the above technical scheme:
[0017] The bottom plate top is fixedly connected with a connecting frame, the connecting frame top is fixedly connected with a cutting box, and the connecting frame one side is rotationally connected with a plurality of supporting strips.
[0018] As a further description of the above technical solutions:
[0019] The connecting frame one side is rotationally connected with a collecting plate, and the collecting plate top is fixedly connected with a baffle.
[0020] As a further description of the above technical solutions:
[0021] The sliding blocks are symmetrically arranged and slidably connected inside the sliding grooves, and the lower supporting plates are parallelly arranged and slidably connected on the operation platform top.
[0022] The utility model has the advantages of the following:
[0023] 1. In the utility model, the folding arm is first driven by the hydraulic rod to be lowered, then the moving column is pulled outward to make the fixed column connected with the connecting block driven by the rotating disc to be separated from the inside of the raw material roller, so that the raw material roller falls into the transport vehicle below, and then the transport vehicle is used to transport the raw material roller out, so that the raw material roller can be easily disassembled and replaced after the raw material on the raw material roller is used up, the problem that the operator needs to go through complex steps to disassemble and replace the raw material roller when it needs to be replaced is avoided, and the efficiency of the plastic film cutting device is improved.
[0024] 2. In the utility model, the raw material is first passed through the transport roller, then the distance between the upper supporting plates and the lower supporting plates on both sides is adjusted to be the same as the width of the raw material by using the sliding blocks, then the raw material is passed through the power roller, and the two sides of the raw material are inserted between the upper supporting plates and the lower supporting plates, so that the movement range of the raw material is limited within a certain range during the use of the equipment, the problem that the cut products are not neat because the raw material often shakes during the operation of the equipment during the use of the equipment is avoided, and the practicability of the plastic film cutting device is improved. BRIEF DESCRIPTION OF DRAWINGS
[0025] Figure 1 A perspective view of a plastic film cutting device is provided for the utility model;
[0026] Figure 2 A raw material roller structure schematic view of a plastic film cutting device is provided for the utility model;
[0027] Figure 3 For Figure 2 A local enlarged structure schematic view at A in the middle;
[0028] Figure 4The utility model provides an operating platform structure schematic drawing of plastic film cutting device.
[0029] Legend:
[0030] 1, bottom plate; 2, support frame; 3, transport roller; 4, folding arm; 5, hydraulic rod; 6, moving column; 7, sliding column; 8, limiting disc; 9, rotating disc; 10, spring; 11, connecting block; 12, fixed column; 13, raw material roller; 14, transport vehicle; 15, wheel; 16, slide; 17, power roller; 18, support column; 19, operating platform; 20, sliding block; 21, sliding bar; 22, lower support plate; 23, connecting plate; 24, upper support plate; 25, sliding groove; 26, connecting frame; 27, cutting box; 28, support bar; 29, collection plate; 30, baffle. DETAILED DESCRIPTION
[0031] 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 and not 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 the utility model.
[0032] Reference Figures 1-3 An embodiment provided by the utility model: a plastic film cutting device, including bottom plate 1, bottom plate 1 top fixedly connected with support frame 2, for supporting transport roller 3 and power roller 17, support frame 2 inside rotatably connected with transport roller 3, for transporting raw material, support frame 2 one side rotatably connected with multiple folding arms 4, for carrying raw material roller 13, support frame 2 and folding arm 4 between being provided with multiple hydraulic rods 5, for supporting the movement of folding arm 4, every hydraulic rod 5 one end is fixedly connected on support frame 2 one side, every hydraulic rod 5 output end is connected with folding arm 4 top, every folding arm 4 inside is slidably connected with moving column 6, for driving rotating disc 9 to move, every moving column 6 outer wall is fixedly connected with multiple sliding columns 7, for the movement of moving column 6 provides mechanical support, every moving column 6 one end is fixedly connected with limiting disc 8, and the movement range of moving column 6 is limited, and every moving column 6 one end is provided with fixed assembly, folding arm 4 between being provided with raw material roller 13, for loading raw material, bottom plate 1 top being provided with transport assembly, bottom plate 1 one side is fixedly connected with slide 16, for providing the conditions of the upper and lower bottom plate 1 of transport vehicle 14;
[0033] Each fixed assembly comprises a rotating disc 9, a spring 10, a plurality of connecting blocks 11 and a plurality of fixed columns 12, one side of the rotating disc 9 is fixedly connected to one end of the moving column 6, for rotating the raw material roller 13 and driving the connecting block 11 to move, the spring 10 is arranged on the outer wall of the moving column 6, for providing a rebound force for the movement of the moving column 6, one end of the spring 10 is fixedly connected to one side of the rotating disc 9, the other end of the spring 10 is fixedly connected to one side of the folding arm 4, one end of each connecting block 11 is fixedly connected to the outer wall of the rotating disc 9, one end of each fixed column 12 is fixedly connected to one side of the connecting block 11, for fixing the raw material roller 13, the outer wall of each fixed column 12 is slidingly connected to the inside of the raw material roller 13, the conveying assembly comprises a conveying vehicle 14 and a plurality of wheels 15, the conveying vehicle 14 is slidingly connected to the top of the bottom plate 1, for conveying the raw material roller 13, the top of each wheel 15 is fixedly connected to the bottom of the conveying vehicle 14.
[0034] Specifically, when the raw material roller 13 needs to be replaced, first, start the hydraulic control system of the equipment, drive the hydraulic rod 5, and slowly extend the folding arm 4 connected thereto stably and powerfully, then the operator holds the moving column 6 with both hands, and pulls it outward with moderate force, at this time the moving column 6 drives the rotating disc 9 to start synchronous movement, the rotating disc 9 drives the fixed column 12 connected with the connecting block 11 to smoothly come out from the inside of the old raw material roller 13, the old raw material roller 13 loses the restraint instantaneously and falls into the conveying vehicle 14 prepared below under the action of gravity, then the operator skillfully controls the conveying vehicle 14, the conveying vehicle 14 carrying the old raw material roller 13 is transported out of the working area, then the new raw material roller 13 is placed on the conveying vehicle 14, the conveying vehicle 14 is driven again along the predetermined route to the top of the bottom plate 1, finally, the operator installs the new raw material roller 13 on the equipment, after careful debugging and verification, the replacement of the raw material roller 13 is successfully completed.
[0035] Reference Figure 1 and Figure 4The power roller 17 is rotatably connected inside the support frame 2 to provide power support for the whole device. The bottom plate 1 is fixedly connected with a plurality of support columns 18 at the top, which are used to support the operation platform 19. The support column 18 is fixedly connected with the operation platform 19 at the top. The operation platform 19 is fixedly connected with a plurality of sliding blocks 20 inside, which are used to drive the upper support plate 24 and the lower support plate 22 to move. Each sliding block 20 is fixedly connected with a sliding bar 21 on one side. The top of each two sliding blocks 20 is fixedly connected with a lower support plate 22, which is used to lift the raw materials from the operation platform 19. The top of each lower support plate 22 is fixedly connected with a connecting plate 23, which is used to connect the upper support plate 24 and the lower support plate 22 and limit the range of left and right movement of the raw materials. The top of each connecting plate 23 is fixedly connected with an upper support plate 24, which is used to limit the range of up and down movement of the raw materials. The top of the operation platform 19 is provided with a plurality of sliding grooves 25. The bottom plate 1 is fixedly connected with a connecting frame 26 at the top, which is used to connect the cutting box 27. The top of the connecting frame 26 is fixedly connected with the cutting box 27, which is used to cut the raw materials. The connecting frame 26 is rotatably connected with a plurality of support bars 28 on one side, which are used to support the collection plate 29. The connecting frame 26 is rotatably connected with the collection plate 29 on one side, which is used to collect the cut raw materials. The top of the collection plate 29 is fixedly connected with a baffle 30, which is used to block the cut raw materials. The sliding blocks 20 are symmetrically arranged and slidably connected inside the sliding grooves 25. The lower support plates 22 are arranged in parallel and slidably connected on the top of the operation platform 19.
[0036] Specifically, before formally starting the plastic film production process, first of all, the operator needs to pass the raw materials from the transport roller 3. During the process, the operator holds the raw materials with both hands to ensure smooth progress. Then, the operator's gaze focuses on the upper support plates 24 and the lower support plates 22 on both sides, which realize the distance adjustment function through flexible sliding blocks 20. The operator needs to control the sliding blocks 20 to slowly move the upper support plates 24 and the lower support plates 22, and accurately adjust the distance between them to be consistent with the width of the raw materials. After the distance adjustment is proper, the raw materials are passed through the power roller 17, and then the two sides of the raw materials are gently and accurately inserted between the upper support plates 24 and the lower support plates 22, laying a solid foundation for the subsequent processing process.
[0037] Working principle: in the process of using the plastic film cutting device, the raw material roll 13 needs to be replaced first, the folding arm 4 is put down by driving the hydraulic rod 5, then the moving column 6 is pulled outwards to make the rotating disc 9 drive the fixed column 12 connected with the connecting block 11 to be separated from the inside of the old raw material roll 13, so that the kide raw material roll 13 falls into the transport vehicle 14 below, then the old raw material roll 13 is transported out by the transport vehicle 14, then the new raw material roll 13 is placed on the transport vehicle 14, then the transport vehicle 14 is used to transport to the top of the base plate 1, then the new raw material roll 13 is installed on the equipment, the replacement of the raw material roll 13 is completed, then the raw material feeding step is started, the raw material is first passed through the transport roller 3, then the distance between the upper support plate 24 and the lower support plate 22 on both sides is adjusted to be the same as the width of the raw material by using the sliding block 20, then the raw material is passed through the power roller 17, the two sides of the raw material are inserted between the upper support plate 24 and the lower support plate 22, and finally the raw material is passed through the lower part of the cutting box 27, the raw material feeding is completed, then the equipment can be started to begin production, and the produced film is blocked by the baffle 30 and collected on the collection plate 29.
[0038] Finally, it should be pointed out that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. made within the spirit and principles of the utility model, should be included in the protection scope of the utility model.
Claims
1. A plastic film cutting device, comprising a base plate (1), characterized in that: A support frame (2) is fixedly connected to the top of the base plate (1). A transport roller (3) is rotatably connected inside the support frame (2). Multiple folding arms (4) are rotatably connected to one side of the support frame (2). Multiple hydraulic rods (5) are provided between the support frame (2) and the folding arms (4). One end of each hydraulic rod (5) is fixedly connected to one side of the support frame (2). The output end of each hydraulic rod (5) is connected to the top of the folding arm (4). A moving column (6) is slidably connected inside each folding arm (4). Multiple sliding columns (7) are fixedly connected to the outer wall of each moving column (6). A limiting disc (8) is fixedly connected to one end of each moving column (6). A fixing component is provided at one end of each moving column (6). A raw material roller (13) is provided between the folding arms (4). A transport component is provided on the top of the base plate (1). A slope (16) is fixedly connected to one side of the base plate (1). Each of the fixed components includes a rotating disk (9), a spring (10), multiple connecting blocks (11) and multiple fixing columns (12). One side of the rotating disk (9) is fixedly connected to one end of the moving column (6). The spring (10) is disposed on the outer wall of the moving column (6). One end of the spring (10) is fixedly connected to one side of the rotating disk (9), and the other end of the spring (10) is fixedly connected to one side of the folding arm (4). One end of each connecting block (11) is fixedly connected to the outer wall of the rotating disk (9), and one end of each fixing column (12) is fixedly connected to one side of the connecting block (11). The outer wall of each fixing column (12) is slidably connected to the inside of the raw material roller (13).
2. The plastic film cutting device according to claim 1, characterized in that: The transport assembly includes a transport vehicle (14) and a plurality of wheels (15), the bottom of the transport vehicle (14) being slidably connected to the top of the base plate (1), and the top of each of the wheels (15) being fixedly connected to the bottom of the transport vehicle (14).
3. The plastic film cutting device according to claim 1, characterized in that: The support frame (2) is rotatably connected to a power roller (17), and the bottom plate (1) is fixedly connected to a plurality of support columns (18), and the top of the support columns (18) is fixedly connected to an operating platform (19).
4. A plastic film cutting device according to claim 3, characterized in that: The operating platform (19) has multiple sliding blocks (20) fixedly connected inside. Each sliding block (20) has a sliding strip (21) fixedly connected to one side, and a lower support plate (22) fixedly connected to the top of every two sliding blocks (20).
5. A plastic film cutting device according to claim 4, characterized in that: Each of the lower support plates (22) is fixedly connected to a connecting plate (23) at its top, and each of the connecting plates (23) is fixedly connected to an upper support plate (24) at its top. The operating platform (19) has multiple sliding grooves (25) on its top.
6. A plastic film cutting device according to claim 1, characterized in that: A connecting frame (26) is fixedly connected to the top of the base plate (1), and a cutting box (27) is fixedly connected to the top of the connecting frame (26). Multiple support bars (28) are rotatably connected to one side of the connecting frame (26).
7. A plastic film cutting device according to claim 6, characterized in that: A collecting plate (29) is rotatably connected to one side of the connecting frame (26), and a baffle (30) is fixedly connected to the top of the collecting plate (29).
8. A plastic film cutting device according to claim 4, characterized in that: The sliding blocks (20) are arranged in a symmetrical array and slidably connected inside the sliding groove (25), and the lower support plates (22) are arranged in a parallel array and slidably connected to the top of the operating platform (19).