Slitting device for matt film preparation

Abstract

The utility model relates to the technical field of matt film preparation, in particular to a slitting device for matt film preparation, which comprises a bearing platform, a driving assembly, a cutting assembly, an adjusting module and an auxiliary supporting assembly. The driving assembly drives the positioning frame to move horizontally, the lifting mechanism is matched with the adjusting module to control the cutting angle and depth, the supporting assembly is assisted in reducing vibration, and the positioning frame drives the clamping block through the air cylinder to fix the matt film. The surface of the cutting blade is coated with a wear-resistant coating and provided with a sawtooth-shaped structure, and durability and efficiency are improved. The matt film cutting device can achieve high-precision and stable cutting of matt films of different thicknesses and materials, meets the requirements of complex working conditions, and has the advantages of being reasonable in structure and easy and convenient to operate.

Description

A slitting device for preparing matte film Technical Field

[0001] This utility model belongs to the technical field of thin film processing equipment, specifically a slitting device for preparing matte film. Background Technology

[0002] When preparing certain matte films, a slitting device is required to precisely divide the material. This device cuts large-sized matte films into the necessary specifications and shapes to meet subsequent processing requirements. However, some existing slitting devices, in practical use, typically employ traditional mechanical cutting methods, which have low cutting precision and struggle to achieve uniform cutting when dealing with complex materials or materials of varying thicknesses. This leads to problems such as inconsistent surface roughness and reduced appearance quality in some applications.

[0003] A search revealed a method for preparing a black, low-gloss polyimide film, published on March 30, 2021, with publication number CN109280192B. This design involves mixing matting powder with a polyamic acid resin solution and then shearing and dispersing the mixture to obtain a low-gloss film. However, this process does not optimize cutting precision and efficiency during slitting, easily leading to edge burrs or uneven thickness, thus affecting the quality and efficiency of subsequent processing.

[0004] A search revealed a co-extruded polypropylene sheet with easy-peeling function and its preparation process, with publication number CN115352159B, published on December 12, 2023. This design achieves good easy-peeling performance through a three-layer structure and incorporates a matting agent to improve surface finish. However, the slitting step in this design relies on a traditional one-step co-extrusion process, lacking adaptive adjustment capabilities for different thicknesses and materials, making it difficult to meet the practical needs of high-precision and diversified production.

[0005] The aforementioned problems indicate that current slitting devices on the market have certain limitations in handling high-precision cutting and high-efficiency production under complex working conditions. Therefore, this invention provides a slitting device for matte film preparation to overcome these shortcomings and offer a more intelligent, efficient, and adaptable solution for changing environments. Summary of the Invention

[0006] This invention provides a slitting device for preparing matte film, aiming to solve the problems of low cutting accuracy and difficulty in achieving uniform cutting when dealing with complex materials or materials of uneven thickness in the prior art. To solve the above problems, this invention is implemented as follows: a slitting device for preparing matte film includes: a support platform fixedly installed on a base, the support platform being provided with a positioning frame for placing the matte film to be cut; a drive assembly fixedly installed on one side of the base, the drive assembly being connected to the positioning frame for driving the positioning frame to move horizontally; a cutting assembly rotatably installed above the base, the cutting assembly being connected to the base via a lifting mechanism for cutting the matte film within the positioning frame; an adjustment module disposed between the cutting assembly and the lifting mechanism for adjusting the cutting angle and depth of the cutting assembly; and an auxiliary support assembly disposed on the other side of the base for cooperating with the cutting assembly to complete the stable cutting of the matte film.

[0007] Preferably, the drive assembly includes: a linear guide rail fixedly mounted on the side wall of the base, with a slider slidably connected to the linear guide rail; a servo motor fixedly mounted on the base, the output shaft of the servo motor being connected to a lead screw via a coupling, the lead screw passing through the slider and threadedly connected to the slider; and a connecting plate fixedly mounted on the top of the slider, the connecting plate being fixedly connected to the bottom of the positioning frame.

[0008] Preferably, the cutting assembly includes: a rotating bracket fixedly installed at the top of the lifting mechanism, the rotating bracket having an arc-shaped groove; a cutting blade fixedly installed on the rotating bracket, the cutting blade being slidably connected to the arc-shaped groove via a connecting shaft; and a stepper motor fixedly installed on the outside of the rotating bracket, the output shaft of the stepper motor being fixedly connected to the connecting shaft for driving the cutting blade to rotate around the arc-shaped groove.

[0009] Preferably, the adjustment module includes: an adjustment rod fixedly installed on the side of the lifting mechanism, with an adjustment sleeve fitted at the end of the adjustment rod; a limiting block fixedly installed on the adjustment sleeve, the limiting block being slidably connected to the arc-shaped groove; and a scale fixedly installed on the adjustment rod, the scale being used to indicate the angle change of the cutting blade.

[0010] Preferably, the lifting mechanism includes: a hydraulic cylinder fixedly mounted on the base, the piston rod of the hydraulic cylinder being fixedly connected to the rotating bracket; a guide column fixedly mounted on the side of the hydraulic cylinder, the guide column passing through the rotating bracket and slidably connected to the rotating bracket; and a limiting plate fixedly mounted on the top of the guide column, the limiting plate being used to limit the rising height of the rotating bracket.

[0011] Preferably, the auxiliary support assembly includes: a support frame fixedly mounted on the base, the support frame having a through hole; a ball bearing fixedly mounted on the top of the support frame, the inner ring of the ball bearing being aligned with the axis of the cutting blade; and an elastic pad fixedly mounted on the bottom of the support frame, the elastic pad being used to absorb vibrations generated during the cutting process.

[0012] Preferably, the positioning frame includes: a rectangular frame fixedly installed on the connecting plate, the inner wall of the rectangular frame being provided with a plurality of clamping blocks; and a cylinder fixedly installed on the outer side of the rectangular frame, the piston rod of the cylinder being fixedly connected to the clamping blocks for fixing the matte film inside the rectangular frame.

[0013] Preferably, the bottom of the base is provided with an anti-slip pad, which is fixedly connected to the base by bolts; the bottom of the anti-slip pad is provided with a groove, which is used to increase friction.

[0014] Preferably, the surface of the cutting blade is coated with a wear-resistant coating made of ceramic matrix composite material; the edge of the cutting blade is provided with a serrated structure, which is used to improve cutting efficiency.

[0015] Compared with existing technologies, the slitting device for matte film preparation provided in this solution uses a drive component to move the positioning frame horizontally, and combines a lifting mechanism and an adjustment module to precisely control the cutting angle and depth of the cutting component, achieving high-precision cutting of matte films of different thicknesses and materials. Simultaneously, the auxiliary support component effectively reduces vibration during the cutting process, improving cutting quality. Furthermore, the positioning frame uses a cylinder-driven clamping block to fix the matte film, ensuring stability during the cutting process. This device has a reasonable structural design, is easy to operate, and can meet the high-precision cutting requirements under complex working conditions. Attached Figure Description

[0016] Figure 1 is a schematic diagram of the overall structure of this utility model, showing the main components of the slitting device and their layout relationship, including the base, the support platform, the drive assembly, the cutting assembly and the auxiliary support assembly.

[0017] Figure 2 is a schematic diagram of the drive component structure of this utility model, which focuses on the connection method of the linear guide, slider, servo motor and lead screw, as well as their linkage relationship with the positioning frame.

[0018] Figure 3 is a schematic diagram of the cutting assembly and adjustment module of this utility model, showing in detail the structure and relative positions of the rotating bracket, cutting blade, stepper motor, adjustment rod and dial.

[0019] Figure 4 is a schematic diagram of the lifting mechanism of this utility model, showing the hydraulic cylinder, guide column, limit plate and their connection with the cutting assembly.

[0020] Figure 5 is a partial enlarged view of the auxiliary support component of this utility model, showing the specific installation method and functional layout of the support frame, ball bearing and elastic pad.

[0021] The attached figures are labeled as follows:

[0022] 1. Base; 2. Support platform; 3. Positioning frame; 4. Drive assembly; 5. Cutting assembly; 6. Lifting mechanism; 7. Adjustment module; 8. Auxiliary support assembly; 9. Linear guide rail; 10. Slider; 11. Servo motor; 12. Lead screw; 13. Rotary bracket; 14. Cutting blade; 15. Stepper motor; 16. Adjusting rod; 17. Dial; 18. Hydraulic cylinder; 19. Guide column; 20. Limiting plate; 21. Support frame; 22. Ball bearing; 23. Elastic pad; 24. Clamping block; 25. Cylinder. Detailed Implementation

[0023] This utility model provides a slitting device for preparing matte film, the structure of which is shown in Figures 1 to 5, including a base 1, a support platform 2, a positioning frame 3, a drive assembly 4, a cutting assembly 5, a lifting mechanism 6, an adjustment module 7, and an auxiliary support assembly 8. The specific embodiments of this utility model are described in detail below with reference to the accompanying drawings.

[0024] The base 1 is the basic component of the entire device. Its bottom is equipped with an anti-slip pad, which is fixedly connected to the base 1 by bolts. Multiple grooves are formed on the bottom of the anti-slip pad to increase friction. A support platform 2 is mounted on top of the base 1. The support platform 2 is fixedly installed to the base 1 by welding or bolting. The upper surface of the support platform 2 is flat and level, used to place the matte film to be cut. A positioning frame 3 is mounted above the support platform 2. The positioning frame 3 includes a rectangular frame and a clamping block 24. The rectangular frame is fixedly mounted on a connecting plate. The clamping block 24 is located on the inner wall of the rectangular frame and is fixedly connected to the clamping block 24 by the piston rod of a cylinder 25. The cylinder 25 is fixedly mounted on the outside of the rectangular frame. When the cylinder 25 is activated, its piston rod moves the clamping block 24 inward, thereby fixing the matte film inside the rectangular frame. The positioning frame 3 achieves horizontal movement through the drive assembly 4, which includes a linear guide rail 9, a slider 10, a servo motor 11, and a lead screw 12. The linear guide rail 9 is fixedly installed on the side wall of the base 1, the slider 10 is slidably connected to the linear guide rail 9, the servo motor 11 is fixedly installed on the base 1, and its output shaft is connected to the lead screw 12 through a coupling. The lead screw 12 passes through the slider 10 and is threadedly connected to the slider 10. A connecting plate is fixedly installed on the top of the slider 10 and is fixedly connected to the bottom of the positioning frame 3. When the servo motor 11 drives the lead screw 12 to rotate, the slider 10 moves horizontally along the linear guide rail 9, thereby driving the positioning frame 3 to perform horizontal displacement.

[0025] The cutting assembly 5 is positioned above the base 1 and connected to the base 1 via the lifting mechanism 6. The cutting assembly 5 includes a rotating bracket 13, a cutting blade 14, and a stepper motor 15. The rotating bracket 13 is fixedly installed on the top of the lifting mechanism 6. An arc-shaped groove is provided on the rotating bracket 13. The cutting blade 14 is slidably connected to the arc-shaped groove via a connecting shaft. The stepper motor 15 is fixedly installed on the outside of the rotating bracket 13, and its output shaft is fixedly connected to the connecting shaft of the cutting blade 14. When the stepper motor 15 is started, its output shaft drives the cutting blade 14 to rotate around the arc-shaped groove, thereby adjusting the cutting angle. The lifting mechanism 6 includes a hydraulic cylinder 18, a guide column 19, and a limiting plate 20. The hydraulic cylinder 18 is fixedly installed on the base 1, and its piston rod is fixedly connected to the rotating bracket 13. The guide column 19 is fixedly installed on the side of the hydraulic cylinder 18, and the guide column 19 passes through the rotating bracket 13 and is slidably connected to the rotating bracket 13. The limiting plate 20 is fixedly installed on the top of the guide column 19 to limit the rising height of the rotating bracket 13. When the hydraulic cylinder 18 is started, its piston rod pushes the rotating bracket 13 to move up and down along the guide column 19, thereby adjusting the height of the cutting assembly 5.

[0026] An adjustment module 7 is positioned between the cutting assembly 5 and the lifting mechanism 6 to adjust the cutting angle and depth of the cutting blade 14. The adjustment module 7 includes an adjustment rod 16, an adjustment sleeve, a limiting block, and a dial 17. The adjustment rod 16 is fixedly mounted on the side of the lifting mechanism 6, with the adjustment sleeve fitted at the end of the rod 16. The limiting block is fixedly mounted on the adjustment sleeve and slidably connected to the arc-shaped groove. The dial 17 is fixedly mounted on the adjustment rod 16 to indicate changes in the angle of the cutting blade 14. By rotating the adjustment sleeve, the limiting block slides along the arc-shaped groove, thereby changing the angle of the cutting blade 14. Simultaneously, the angle adjustment amount can be precisely controlled by observing the dial 17.

[0027] An auxiliary support assembly 8 is located on the other side of the base 1 and is used to cooperate with the cutting assembly 5 to complete the stable cutting of the matte film. The auxiliary support assembly 8 includes a support frame 21, a ball bearing 22, and an elastic pad 23. The support frame 21 is fixedly installed on the base 1 and has a through hole. The ball bearing 22 is fixedly installed on the top of the support frame 21, and the inner ring of the ball bearing 22 is aligned with the axis of the cutting blade 14. The elastic pad 23 is fixedly installed on the bottom of the support frame 21 to absorb the vibration generated during the cutting process. When the cutting blade 14 performs the cutting operation, the ball bearing 22 provides support and reduces friction, while the elastic pad 23 effectively absorbs the vibration generated during the cutting process, ensuring the stability of the cutting process.

[0028] The working principle of this utility model is as follows: First, the matte film to be cut is placed on the support platform 2 and fixed by the positioning frame 3. The cylinder 25 is activated to clamp the matte film in the rectangular frame by the clamping block 24. Then, the servo motor 11 is activated, which drives the lead screw 12 to rotate. The lead screw 12 drives the slider 10 to move horizontally along the linear guide rail 9, thereby causing the positioning frame 3 to move horizontally. At the same time, the hydraulic cylinder 18 is activated, and the piston rod of the hydraulic cylinder 18 pushes the rotating bracket 13 to move up and down along the guide column 19, thereby adjusting the height of the cutting assembly 5. According to actual needs, the angle and depth of the cutting blade 14 are adjusted by the adjustment module 7. The rotating adjustment sleeve makes the limiting block slide along the arc groove, while the scale 17 is observed to ensure the accuracy of the angle adjustment. Finally, the stepper motor 15 is activated, which drives the cutting blade 14 to rotate around the arc groove, thereby cutting the matte film. During the cutting process, the ball bearing 22 in the auxiliary support assembly 8 provides support and reduces friction, and the elastic pad 23 absorbs vibration, ensuring the stability of the cutting process.

[0029] In the above embodiments, the surface of the cutting blade 14 is coated with a wear-resistant coating made of ceramic matrix composite material. The edge of the cutting blade 14 has a serrated structure, which improves cutting efficiency. Furthermore, the bottom of the base 1 is provided with an anti-slip pad, and the bottom of the anti-slip pad has grooves to increase friction and ensure the stability of the device during operation. Through the above structure and operating steps, this invention achieves high-precision cutting of matte films of different thicknesses and materials, meeting the cutting needs under complex working conditions.

[0030] To enable those skilled in the art to fully understand and implement this utility model, the specific implementation principle of this utility model is further explained below in conjunction with a specific application scenario.

[0031] First, during the slitting process of the matte film, the operator places the matte film to be cut on the support platform 2 and secures it using the clamping block 24 in the positioning frame 3. Specifically, the cylinder 25 is activated, and its piston rod pushes the clamping block 24 inward, thereby firmly clamping the matte film within the rectangular frame. This step ensures the stability of the matte film during the cutting process and avoids cutting errors caused by material slippage. The anti-slip pad design further enhances the overall stability of the device; its bottom groove increases friction with the ground, preventing displacement of the equipment during operation.

[0032] Subsequently, the servo motor 11 starts, driving the lead screw 12 to rotate. The lead screw 12 drives the slider 10 to move horizontally along the linear guide rail 9 via threaded transmission. A positioning frame 3 is connected to the top of the slider 10, allowing the positioning frame 3 to move horizontally synchronously with the slider 10. This design enables precise horizontal movement of the matte film, ensuring accurate positioning of the cutting position. Simultaneously, the hydraulic cylinder 18 starts, its piston rod pushing the rotating bracket 13 up and down along the guide post 19, adjusting the height of the cutting assembly 5. The guide post 19 passes through and slides along the rotating bracket 13, while the limiting plate 20 restricts the rising height of the rotating bracket 13, thus ensuring the smoothness and safety of the lifting process. Through the above-mentioned coordinated adjustment in the horizontal and vertical directions, the cutting blade 14 can accurately reach the predetermined cutting position.

[0033] The adjustment module 7 plays a crucial role in adjusting the cutting angle and depth. The operator rotates the adjustment sleeve, causing the limit block to slide along the arc-shaped groove, thereby changing the angle of the cutting blade 14. The dial 17 displays the angle changes in real time, facilitating precise control of cutting parameters by the operator. After the stepper motor 15 starts, its output shaft drives the cutting blade 14 to rotate around the arc-shaped groove, completing the cutting operation of the matte film. The wear-resistant ceramic matrix composite coating and serrated structure design on the surface of the cutting blade 14 not only improve the blade's durability but also significantly enhance cutting efficiency, especially exhibiting excellent performance when processing matte films with uneven thickness or complex materials.

[0034] During the cutting process, the auxiliary support assembly 8 provides additional stability support for the entire operation. A ball bearing 22 is mounted on top of the support frame 21, with its inner ring aligned with the axis of the cutting blade 14, effectively reducing friction generated during cutting. The elastic pad 23 absorbs vibrations that may occur during cutting, ensuring a smooth cutting process. This design significantly reduces the probability of edge burrs and uneven thickness, thereby improving cutting quality.

[0035] Furthermore, this invention achieves high-precision and high-efficiency slitting operations through the coordinated work of the aforementioned components. For example, in actual production, when it is necessary to slit a batch of matte film with uneven thickness, the operator only needs to adjust the cutting angle and depth according to actual requirements, and quickly complete the cutting task through the linkage control of the servo motor 11 and the hydraulic cylinder 18. This flexibility allows the device to adapt to various complex working conditions and meet the cutting needs of matte film of different specifications and materials.

[0036] In summary, this invention, through its ingenious structural design and efficient operating mechanism, solves the problems of low cutting accuracy and difficulty in achieving uniform cutting in existing slitting devices when dealing with complex materials or materials of uneven thickness. The rational layout and functional optimization of each component ensure the stability and reliability of the device in practical applications, providing a completely new solution for the field of matte film preparation.

[0037] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A slitting apparatus for preparing matte film, characterized in that, include: A support platform (2) is fixedly installed on the base (1), and a positioning frame (3) for placing the matte film to be cut is provided on the support platform (2); a drive component (4) is fixedly installed on one side of the base (1), and the drive component (4) is connected to the positioning frame (3) for driving the positioning frame (3) to move in the horizontal direction; a cutting component (5) is rotatably installed above the base (1), and the cutting component (5) is connected to the base (1) through a lifting mechanism (6) for cutting the matte film in the positioning frame (3); an adjustment module (7) is provided between the cutting component (5) and the lifting mechanism (6) for adjusting the cutting angle and depth of the cutting component (5); and an auxiliary support component (8) is provided on the other side of the base (1) for cooperating with the cutting component (5) to complete the stable cutting of the matte film.

2. The slitting device according to claim 1, characterized in that, The drive assembly (4) includes: a linear guide rail (9) fixedly mounted on the side wall of the base (1), and a slider (10) slidably connected on the linear guide rail (9); a servo motor (11) fixedly mounted on the base (1), the output shaft of the servo motor (11) being connected to a lead screw (12) via a coupling, the lead screw (12) passing through the slider (10) and threadedly connected to the slider (10); and a connecting plate fixedly mounted on the top of the slider (10), the connecting plate being fixedly connected to the bottom of the positioning frame (3).

3. The slitting device according to claim 1, characterized in that, The cutting assembly (5) includes: a rotating bracket (13) fixedly installed on the top of the lifting mechanism (6), the rotating bracket (13) having an arc-shaped groove; a cutting blade (14) fixedly installed on the rotating bracket (13), the cutting blade (14) being slidably connected to the arc-shaped groove via a connecting shaft; and a stepper motor (15) fixedly installed on the outside of the rotating bracket (13), the output shaft of the stepper motor (15) being fixedly connected to the connecting shaft for driving the cutting blade (14) to rotate around the arc-shaped groove.

4. The slitting device according to claim 1, characterized in that, The adjustment module (7) includes: an adjustment rod (16) fixedly installed on the side of the lifting mechanism (6), with an adjustment sleeve sleeved at the end of the adjustment rod (16); a limiting block fixedly installed on the adjustment sleeve, the limiting block being slidably connected to the arc groove; and a dial (17) fixedly installed on the adjustment rod (16), the dial (17) being used to indicate the angle change of the cutting blade (14).

5. The slitting device according to claim 1, characterized in that, The lifting mechanism (6) includes: a hydraulic cylinder (18) fixedly installed on the base (1), the piston rod of the hydraulic cylinder (18) being fixedly connected to the rotating bracket (13); a guide column (19) fixedly installed on the side of the hydraulic cylinder (18), the guide column (19) passing through the rotating bracket (13) and being slidably connected to the rotating bracket (13); and a limiting plate (20) fixedly installed on the top of the guide column (19), the limiting plate (20) being used to limit the rising height of the rotating bracket (13).

6. The slitting device according to claim 1, characterized in that, The auxiliary support assembly (8) includes: a support frame (21) fixedly installed on the base (1), the support frame (21) having a through hole; a ball bearing (22) fixedly installed on the top of the support frame (21), the inner ring of the ball bearing (22) being aligned with the axis of the cutting blade (14); and an elastic pad (23) fixedly installed on the bottom of the support frame (21), the elastic pad (23) being used to absorb vibrations generated during the cutting process.

7. The slitting device according to claim 1, characterized in that, The positioning frame (3) includes: a rectangular frame fixedly installed on the connecting plate, the inner wall of the rectangular frame being provided with a plurality of clamping blocks (24); and a cylinder (25) fixedly installed on the outer side of the rectangular frame, the piston rod of the cylinder (25) being fixedly connected to the clamping blocks (24) for fixing the matte film inside the rectangular frame.

8. The slitting device according to claim 1, characterized in that, The base (1) is provided with an anti-slip pad at the bottom, and the anti-slip pad is fixedly connected to the base (1) by bolts. The bottom of the anti-slip pad is provided with a groove.

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