Laser slitting equipment for optical film production

Abstract

The invention relates to the technical field of optical film processing equipment, and particularly discloses laser slitting equipment for optical film production, which comprises a base, the base is arranged to be frame-shaped, the upper surface of the middle part of the base is fixedly connected with a processing table, the laser slitting equipment further comprises a processing mechanism, a laser cutting mechanism and a laser cutting mechanism, and the stabilizing mechanism is fixedly mounted on the machining mechanism. When the laser cutter rotates together with the rotating ring, it means that the rotating ring starts to rotate in the mounting cover, the two side surfaces of the inner side of the rotating ring are attached to the rolling shafts correspondingly, and in other words, the shaking force generated in the rotating process of the rotating ring is greatly reduced through cooperation of the rotating ring and the rolling shafts; and therefore, the rotating stability of the laser cutter is improved, the precision of the cut circular optical film is ensured, and the problem that the edge of the cut optical film is uneven due to vibration of the laser cutter is solved.

Description

Technical Field

[0001] This invention relates to the field of optical film processing equipment technology, specifically a laser slitting device for optical film production. Background Technology

[0002] In the field of optical film processing, laser slitting equipment is a key piece of equipment for achieving precise cutting of optical films, and is widely used in the production processes of high-precision optical components such as display panels and optical lenses. Its core functionality involves the high-speed movement of the laser cutter combined with the stable transport of the optical film to achieve slitting of the optical film into specific shapes (such as circles). The slitting accuracy directly affects the optical performance and assembly quality of the optical components. This type of equipment must balance the stability of laser cutting, the positioning accuracy of the optical film, and the flatness of the transport process, making it a crucial link in ensuring the large-scale, high-quality production of optical films.

[0003] Existing laser slitting equipment for optical films has several limitations. Regarding cutting stability, the laser cutter in traditional equipment is prone to vibration during high-speed rotation, resulting in uneven slitting edges. This affects the precision and subsequent use of the optical film, especially during circular slitting, where vibration has a more significant impact on concentricity. Insufficient optical film fixation is another issue. Traditional equipment lacks effective stretching and flattening mechanisms, leading to slitting deviations due to looseness and wrinkles during transport or cutting, increasing the defect rate. Low automation is also a problem. Some equipment requires manual assistance in positioning or adjusting the optical film tension, which is not only inefficient but also susceptible to human error affecting slitting consistency. Furthermore, traditional combing mechanisms lack sufficient clamping force at the edges of the optical film, making it difficult to adapt to optical films of different thicknesses and materials, resulting in poor versatility and further hindering improvements in slitting quality and production efficiency. Summary of the Invention

[0004] (a) Technical problems to be solved This invention provides a laser slitting device for optical film production, which solves the problems mentioned in the background art.

[0005] (II) Technical Solution To achieve the above objectives, the present invention provides the following technical solution: a laser slitting device for optical film production, comprising a base, the base being frame-shaped, a processing table fixedly connected to the upper surface of the middle portion of the base, and further comprising: a processing mechanism fixedly mounted on the base; and a stabilizing mechanism fixedly mounted on the processing mechanism; wherein the processing mechanism includes mounting rings symmetrically fixedly connected to the outer surfaces of both sides of the base, a movable rod slidably sleeved on the mounting rings, a mounting frame fixedly connected to the top of the movable rods via a connecting rod, the mounting frame being positioned above the middle portion of the base, hydraulic devices externally connected to both sides of the mounting frame, and a laser cutter positioned below the mounting frame.

[0006] According to one embodiment of the present invention, connecting rods are symmetrically fixedly connected to the lower surfaces of both sides of the mounting bracket, and a mounting cover is fixedly connected to the bottom of the connecting rod. The mounting cover is annular, and a roller is rotatably connected to the top inner surface of the mounting cover. Multiple sets of rollers are arranged in a ring along the inner surface of the mounting cover.

[0007] According to one embodiment of the present invention, a rotating ring is rotatably connected to the top inner surface of the mounting cover, the top of the laser cutter is fixedly connected to the bottom surface of the rotating ring, a connecting ring is fixedly sleeved on the outer surface of the laser cutter, a rotating seat is fixedly connected to the outer surface of the connecting ring, the top side surface of the rotating seat is rotatably connected to the inner side surface of the mounting cover, a motor is fixedly mounted on the middle upper surface of the mounting frame, a drive shaft is rotatably connected to the output end of the motor, and the bottom of the drive shaft is fixedly connected to the middle upper surface of the rotating seat.

[0008] According to one embodiment of the present invention, the stabilizing mechanism includes a combing roller, which is symmetrically arranged on both inner surfaces of the base. The combing rollers are arranged in pairs symmetrically on the upper and lower sides. A connecting shaft is rotatably connected to the surface of the combing roller near the base. The connecting shaft is disposed through the side surface of the base.

[0009] According to one embodiment of the present invention, fixing blocks are symmetrically fixedly connected to the outer surfaces of both sides of the base, and elastic telescopic rods are fixedly connected through the outer surfaces of the fixing blocks. The elastic telescopic rods are configured as bidirectional rods, and the output ends of the elastic telescopic rods are fixedly sleeved on the outer surface of the connecting shaft. Two elastic telescopic rods are configured as a group, and the internal cavities of the same group of elastic telescopic rods are configured to be in a connected state.

[0010] According to one embodiment of the present invention, the outer surfaces of both sides of the base are provided with sliding grooves, and the outer surface of the connecting shaft is fixedly sleeved with a limiting ring, wherein the connecting shaft is slidably connected in the sliding groove through the limiting ring. The top outer surface of the moving rod is fixedly sleeved with a first retaining ring, the bottom surface of the first retaining ring is fixedly connected with a compression bladder, the bottom of the compression bladder is fixedly connected to the upper surface of the mounting ring, the bottom of the moving rod is fixedly sleeved with a second retaining ring, the upper surface of the second retaining ring is fixedly connected with a tension bladder, the top of the tension bladder is fixedly connected to the bottom surface of the mounting ring, and the compression bladder communicates with the internal cavity of the elastic telescopic rod through a hose.

[0011] According to one embodiment of the present invention, the connecting shaft includes a sleeve, a sliding rod is elastically slidably connected to the inner surface of the sleeve, one end of the sliding rod away from the sleeve is rotatably connected to the outer surface of the carding roller, a connecting tube is slidably connected to the outer surface of the sleeve, the inner end of the connecting tube is fixedly connected to the outer surface of the sliding rod, a first collar is fixedly connected to the inner surface of the sleeve, a second collar is slidably connected to the inner surface of the sleeve, wherein the second collar is fixedly sleeved on the outer surface of the sliding rod, and the compression bladder communicates with the cavity between the first collar and the second collar through a hose.

[0012] According to one embodiment of the present invention, the carding roller includes a central column, which is rotatably connected to the end of a sliding rod. An air-gathering groove is provided inside the central shaft, and the air-gathering groove is connected to a connecting pipe through the sliding rod. The stretching bladder is connected to the internal cavity of the connecting pipe through a flexible tube. An expansion bladder is fixedly embedded on the outer surface of the central column. The expansion bladder is annular and is connected to the air-gathering groove.

[0013] According to one embodiment of the present invention, limiting grooves are formed on both outer surfaces of the central column, wherein a combined cover is slidably connected to the side surface of the central column through the limiting grooves. The outer surface of the combined cover is set as a rubber surface. Four combined covers are arranged at fixed intervals around the central axis on the same central column. Insertion plates are slidably inserted into both ends of the combined cover. Initially, the combined cover is combined with the central column to form a complete roller body through the insertion plates and limiting grooves. The outer surface of the expansion bladder is fixedly connected to the inner surface of the combined cover. When laser cutting of the optical film is required, the rolled optical film can be pulled through the base. The laser cutter is moved closer to the optical film by passing it over the processing table and then driven by an external hydraulic device to move the mounting bracket down. Once the laser cutter reaches the appropriate cutting position, the motor is started. After the motor starts, it drives the rotating seat to rotate via the drive shaft. Then, the connecting ring fixedly connected to the rotating seat drives the laser cutter and the rotating ring fixedly connected to its top to rotate synchronously, completing the circular cutting of the optical film. After the cutting is completed, the mounting bracket is driven up to move the laser cutter away from the optical film, and the cut optical film can be taken out and the roll of optical film is pulled forward for the next cut.

[0014] (III) Beneficial Effects This invention provides a laser slitting device for optical film production. It has the following advantages: (I) The laser slitting equipment used for optical film production means that when the laser cutter and the rotating ring rotate together, the rotating ring starts to rotate inside the mounting cover. The inner two sides of the rotating ring are respectively in contact with the roller. That is, the cooperation between the rotating ring and the roller greatly reduces the jitter generated during the rotation of the rotating ring, thereby improving the rotational stability of the laser cutter, ensuring the accuracy of the cut circular optical film, and avoiding the problem of uneven edges of the optical film after cutting due to the vibration of the laser cutter.

[0015] (II) In this laser slitting equipment for optical film production, when the optical film moves within the base, it means that the upper and lower surfaces of both sides of the optical film are in contact and squeezed with the outer surface of the combing roller. Therefore, when the rolled optical film is pulled forward, it will automatically drive the combing roller to start rotating. Through the cooperation of the combing roller, a basic clamping effect is created on the edge of the optical film, which not only improves the conveying stability of the optical film, but also ensures the stability of the cutting process. When the moving rod moves down, it will drive the first retaining ring to move down, and then start to squeeze the extrusion bladder, causing it to be in a negative pressure state. It will then start to deliver its internal air pressure to the interior of the elastic telescopic rod, causing the two ends of the elastic telescopic rod to move outward. Then, through the connecting shaft, it will drive the combing roller to move towards the edge of the base, and horizontally stretch and flatten the optical film around the area to be cut. This ensures that the optical film is flat as a whole during cutting, avoids cutting accuracy problems caused by the overall looseness of the optical film, reduces the probability of defective products, and reduces the production cost of enterprises.

[0016] (III) This laser slitting equipment for optical film production, when the extrusion bladder is squeezed, simultaneously delivers its internal air pressure to the connecting pipe, and then to the gas-gathering groove of the central column. This increases the internal air pressure of the gas-gathering groove, which in turn increases the internal air pressure of the expansion bladder connected to the gas-gathering groove. This causes the expansion bladder to expand outwards, pushing the four combined covers outwards along the limiting grooves on both sides of the central column. This further squeezes the edge of the optical film, improving the squeezing and fixing effect on the edge of the optical film, and further enhancing the stability of the cutting process. When the rod moves downward, it drives the second retaining ring to move downward simultaneously, which in turn pulls the stretching bladder to expand, creating a negative pressure state inside. This then draws air pressure through the hose into the cavity between the first and second collar rings, causing the sliding rod to move inward into the sleeve. This pulls the entire combing roller to both sides, achieving longitudinal stretching of the optical film. Combined with the elastic telescopic rod, this allows the combing roller to automatically move obliquely outward when the laser cutter approaches the optical film, stretching and flattening the optical film at the area to be cut. This significantly improves the working stability of the equipment and enhances the cutting accuracy. Attached Figure Description

[0017] Figure 1This is a schematic diagram of the overall structure of the present invention; Figure 2 This is a schematic diagram of the disassembled structure of the base of the present invention; Figure 3 This is a schematic diagram of the mounting cover and its connection structure of the present invention; Figure 4 This is a schematic diagram of the laser cutter and its connection structure of the present invention; Figure 5 This is a schematic diagram of the carding roller and its connection structure of the present invention; Figure 6 This is a schematic diagram of the expansion bladder and its connection structure of the present invention; Figure 7 This is a schematic diagram of the structure of the gas-gathering groove of the present invention; Figure 8 This is a schematic diagram of the connecting shaft of the present invention.

[0018] In the diagram: 1. Base; 2. Processing table; 3. Processing mechanism; 31. Mounting ring; 32. Moving rod; 33. Mounting bracket; 34. Laser cutter; 35. Connecting rod; 36. Mounting cover; 37. Roller; 38. Rotating ring; 39. Connecting ring; 310. Rotating seat; 311. Motor; 312. Drive shaft; 4. Stabilizing mechanism; 41. Combing roller; 42. Connecting shaft; 43. Fixing block; 44. 45. Elastic telescopic rod; 46. Slide groove; 47. Limiting ring; 48. First retaining ring; 49. Compression bladder; 40. Second retaining ring; 410. Tension bladder; 411. Sleeve; 412. Sliding rod; 413. Connecting pipe; 414. First collar; 415. Second collar; 416. Central column; 417. Gas gathering groove; 418. Expansion bladder; 419. Limiting groove; 420. Combination cover; 421. Insertion plate. Detailed Implementation

[0019] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0020] First embodiment: as follows Figures 1 to 8 As shown, the present invention provides a technical solution: a laser slitting device for optical film production, including a base 1, the base 1 being frame-shaped, a processing table 2 fixedly connected to the upper surface of the middle part of the base 1, and further including: Processing mechanism 3 is fixedly installed on base 1; Stabilizing mechanism 4 is fixedly installed on processing mechanism 3; The processing mechanism 3 includes a mounting ring 31, which is symmetrically fixedly connected to the outer surfaces of both sides of the base 1. A moving rod 32 is slidably sleeved on the mounting ring 31. The top of the moving rod 32 is fixedly connected to a mounting frame 33 via a connecting rod. The mounting frame 33 is located above the middle of the base 1. Hydraulic equipment is connected to both sides of the mounting frame 33. A laser cutter 34 is located below the mounting frame 33.

[0021] Connecting rods 35 are symmetrically fixedly connected to the lower surfaces of both sides of the mounting bracket 33. A mounting cover 36 is fixedly connected to the bottom of the connecting rods 35. The mounting cover 36 is annular. Rollers 37 are rotatably connected to the top inner surface of the mounting cover 36. Multiple sets of rollers 37 are arranged in a ring along the inner surface of the mounting cover 36.

[0022] A rotating ring 38 is rotatably connected to the top inner surface of the mounting cover 36. The top of the laser cutter 34 is fixedly connected to the bottom surface of the rotating ring 38. A connecting ring 39 is fixedly sleeved on the outer surface of the laser cutter 34. A rotating seat 310 is fixedly connected to the outer surface of the connecting ring 39. The top side surface of the rotating seat 310 is rotatably connected to the inner side surface of the mounting cover 36. A motor 311 is fixedly mounted on the middle upper surface of the mounting bracket 33. A drive shaft 312 is rotatably connected to the output end of the motor 311. The bottom of the drive shaft 312 is fixedly connected to the middle upper surface of the rotating seat 310.

[0023] Second embodiment: as follows Figures 1 to 8 As shown, the stabilizing mechanism 4 includes a combing roller 41, which is symmetrically arranged on the inner surfaces of both sides of the base 1. The combing rollers 41 are arranged in pairs symmetrically on the top and bottom. A connecting shaft 42 is rotatably connected to the surface of the combing roller 41 near the base 1. The connecting shaft 42 is arranged through the side surface of the base 1.

[0024] Fixing blocks 43 are symmetrically fixedly connected to the outer surfaces of both sides of the base 1. An elastic telescopic rod 44 is fixedly connected through the outer surface of the fixing block 43. The elastic telescopic rod 44 is set as a bidirectional rod. The output end of the elastic telescopic rod 44 is fixedly sleeved on the outer surface of the connecting shaft 42. Two elastic telescopic rods 44 are set as a group, and the internal cavities of the same group of elastic telescopic rods 44 are set to be in a connected state.

[0025] The outer surfaces of both sides of the base 1 are provided with sliding grooves 45. The outer surface of the connecting shaft 42 is fixedly sleeved with a limiting ring 46. The connecting shaft 42 is slidably connected in the sliding groove 45 through the limiting ring 46. The top outer surface of the moving rod 32 is fixedly sleeved with a first retaining ring 47. The bottom surface of the first retaining ring 47 is fixedly connected with a compression bladder 48. The bottom of the compression bladder 48 is fixedly connected to the upper surface of the mounting ring 31. The bottom of the moving rod 32 is fixedly sleeved with a second retaining ring 49. The upper surface of the second retaining ring 49 is fixedly connected with a tension bladder 410. The top of the tension bladder 410 is fixedly connected to the bottom surface of the mounting ring 31. The compression bladder 48 is connected to the internal cavity of the elastic telescopic rod 44 through a hose.

[0026] The connecting shaft 42 includes a sleeve 411. A sliding rod 412 is elastically slidably connected to the inner surface of the sleeve 411. The end of the sliding rod 412 away from the sleeve 411 is rotatably connected to the outer surface of the carding roller 41. A connecting tube 413 is slidably connected to the outer surface of the sleeve 411. The inner end of the connecting tube 413 is fixedly connected to the outer surface of the sliding rod 412. A first collar 414 is fixedly connected to the inner surface of the sleeve 411. A second collar 415 is slidably connected to the inner surface of the sleeve 411. The second collar 415 is fixedly sleeved on the outer surface of the sliding rod 412. The squeezing bladder 48 is connected to the cavity between the first collar 414 and the second collar 415 through a hose.

[0027] The carding roller 41 includes a central column 416, which is rotatably connected to the end of the sliding rod 412. An air-gathering groove 417 is provided inside the central shaft. The air-gathering groove 417 is connected to the connecting pipe 413 through the sliding rod 412. The stretching bladder 410 is connected to the internal cavity of the connecting pipe 413 through a flexible hose. An expansion bladder 418 is fixedly embedded on the outer surface of the central column 416. The expansion bladder 418 is annular and is connected to the air-gathering groove 417.

[0028] Limiting grooves 419 are provided on both outer surfaces of the central column 416. A combined cover 420 is slidably connected to the side surface of the central column 416 through the limiting grooves 419. The outer surface of the combined cover 420 is made of rubber. Four combined covers 420 are arranged at fixed intervals around the central axis of the same central column 416. Insertion plates 421 are slidably inserted into both ends of the combined cover 420. Initially, the combined cover 420 is combined with the central column 416 to form a complete roller body through the insertion plates 421 and the limiting grooves 419. The outer surface of the expansion bladder 418 is fixedly connected to the inner surface of the combined cover 420.

[0029] During operation, when laser slitting of the optical film is required, the rolled optical film is pulled through the base 1 and passed over the processing table 2. Then, the mounting bracket 33 is driven down by an external hydraulic device to bring the laser cutter 34 closer to the optical film. Once the laser cutter 34 reaches the appropriate cutting position, the motor 311 is started. After the motor 311 starts, it drives the rotating seat 310 to rotate via the drive shaft 312. This, in turn, drives the laser cutter 34 and the rotating ring 38 fixedly connected to its top to rotate synchronously via the connecting ring 39 fixedly connected to the rotating seat 310, completing the circular slitting of the optical film. After slitting, the mounting bracket 33 is driven up to move the laser cutter 34 away from the optical film, allowing the cut optical film to be removed and the rolled film to be pulled. As the optical film advances for the next cut, the rotation of the laser cutter 34 along with the rotating ring 38 signifies that the rotating ring 38 begins to rotate inside the mounting cover 36. The inner surfaces of the rotating ring 38 are respectively in contact with the roller 37. This cooperation between the rotating ring 38 and the roller 37 significantly reduces the jitter generated during the rotation of the rotating ring 38, thereby improving the rotational stability of the laser cutter 34 and ensuring the accuracy of the cut circular optical film. This avoids the problem of uneven edges after the optical film is cut due to vibration of the laser cutter 34. When the optical film moves within the base 1, the upper and lower surfaces of the two edges of the optical film contact and press against the outer surface of the combing roller 41. Therefore, as the rolled optical film is pulled forward, it automatically drives... The carding roller 41 begins to rotate, providing a basic clamping effect on the edge of the optical film. This not only improves the conveying stability of the optical film but also ensures stability during the cutting process. When the moving rod 32 moves downward, it drives the first retaining ring 47 downward, which in turn begins to squeeze the extrusion bladder 48, creating a negative pressure inside. This pressure is then transferred to the elastic telescopic rod 44, causing both ends of the rod to move outward. This, in turn, drives the carding roller 41 towards the edge of the base 1 via the connecting shaft 42. This horizontal stretching and flattening of the optical film around the area to be cut ensures a flat surface during cutting, preventing issues with cutting accuracy caused by a loose optical film. This reduces the probability of defective products and lowers production costs for enterprises. When the compression bladder 48 is compressed, its internal air pressure is simultaneously transported to the connecting pipe 413, and then to the air-gathering groove 417 of the central column 416. This increases the internal air pressure of the air-gathering groove 417, which in turn increases the internal air pressure of the expansion bladder 418 connected to the air-gathering groove 417. As a result, the expansion bladder 418 begins to expand outward, pushing the four combined covers 420 outward along the limiting grooves 419 on both sides of the central column 416. This further compresses the edge of the optical film, improving the compression and fixing effect on the edge of the optical film and further enhancing the stability of the cutting process. When the moving rod 32 moves downward, it drives the second retaining ring 49 to move downward simultaneously.The process then begins by expanding the stretching capsule 410, creating a negative pressure environment inside. Air pressure is then drawn through the hose into the cavity between the first collar 414 and the second collar 415, causing the sliding rod 412 to move inwards into the sleeve 411. This pulls the combing roller 41 to both sides, achieving longitudinal stretching of the optical film. Combined with the elastic telescopic rod 44, this automatically causes the combing roller 41 to move obliquely outwards when the laser cutter 34 approaches the optical film, stretching and flattening the optical film at the area to be cut. This significantly improves the operational stability of the equipment and enhances cutting accuracy.

[0030] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0031] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A laser slitting device for optical film production, comprising a base (1), characterized in that: The base (1) is frame-shaped, and a processing table (2) is fixedly connected to the upper surface of the middle part of the base (1). It also includes: The processing mechanism (3) is fixedly installed on the base (1); A stabilizing mechanism (4) is fixedly installed on the processing mechanism (3); The processing mechanism (3) includes a mounting ring (31), which is symmetrically fixedly connected to the outer surfaces of both sides of the base (1). A moving rod (32) is slidably sleeved on the mounting ring (31). A mounting frame (33) is fixedly connected to the top of the moving rod (32) through a connecting rod. The mounting frame (33) is located above the middle of the base (1). Hydraulic devices are connected to both sides of the mounting frame (33). A laser cutter (34) is located below the mounting frame (33).

2. The laser slitting equipment for optical film production according to claim 1, characterized in that: The mounting bracket (33) has connecting rods (35) fixedly connected symmetrically on both lower surfaces. The bottom of the connecting rods (35) is fixedly connected to a mounting cover (36). The mounting cover (36) is annular. The top inner surface of the mounting cover (36) is rotatably connected to a roller (37). Multiple sets of rollers (37) are arranged in a ring along the inner surface of the mounting cover (36).

3. The laser slitting equipment for optical film production according to claim 2, characterized in that: A rotating ring (38) is rotatably connected to the top inner surface of the mounting cover (36). The top of the laser cutter (34) is fixedly connected to the bottom surface of the rotating ring (38). A connecting ring (39) is fixedly sleeved on the outer surface of the laser cutter (34). A rotating seat (310) is fixedly connected to the outer surface of the connecting ring (39). The top side surface of the rotating seat (310) is rotatably connected to the inner side surface of the mounting cover (36). A motor (311) is fixedly mounted on the middle upper surface of the mounting bracket (33). A drive shaft (312) is rotatably connected to the output end of the motor (311). The bottom of the drive shaft (312) is fixedly connected to the middle upper surface of the rotating seat (310).

4. A laser slitting device for optical film production according to claim 3, characterized in that: The stabilizing mechanism (4) includes a combing roller (41), which is symmetrically arranged on the inner surfaces of both sides of the base (1). The combing rollers (41) are arranged in pairs symmetrically on the top and bottom. A connecting shaft (42) is rotatably connected to the surface of the combing roller (41) near the base (1). The connecting shaft (42) is arranged through the side surface of the base (1).

5. A laser slitting device for optical film production according to claim 4, characterized in that: The base (1) has fixed blocks (43) symmetrically fixedly connected to the outer surfaces on both sides. The outer surfaces of the fixed blocks (43) are fixedly connected to elastic telescopic rods (44). The elastic telescopic rods (44) are configured as bidirectional rods. The output end of the elastic telescopic rods (44) is fixedly sleeved on the outer surface of the connecting shaft (42). Two elastic telescopic rods (44) are configured as a group, and the internal cavities of the same group of elastic telescopic rods (44) are configured as a connected state.

6. A laser slitting device for optical film production according to claim 5, characterized in that: The outer surfaces of both sides of the base (1) are provided with sliding grooves (45). The outer surface of the connecting shaft (42) is fixedly fitted with a limiting ring (46). The connecting shaft (42) is slidably connected in the sliding groove (45) through the limiting ring (46). The top outer surface of the moving rod (32) is fixedly fitted with a first retaining ring (47). The bottom surface of the first retaining ring (47) is fixedly connected with a compression bladder (48). The bottom of the compression bladder (48) is fixedly connected to the upper surface of the mounting ring (31). The bottom of the moving rod (32) is fixedly fitted with a second retaining ring (49). The upper surface of the second retaining ring (49) is fixedly connected with a stretching bladder (410). The top of the stretching bladder (410) is fixedly connected to the bottom surface of the mounting ring (31). The compression bladder (48) is connected to the internal cavity of the elastic telescopic rod (44) through a hose.

7. A laser slitting device for optical film production according to claim 6, characterized in that: The connecting shaft (42) includes a sleeve (411), and a sliding rod (412) is elastically slidably connected to the inner surface of the sleeve (411). The end of the sliding rod (412) away from the sleeve (411) is rotatably connected to the outer surface of the carding roller (41). A connecting tube (413) is slidably connected to the outer surface of the sleeve (411). The inner end of the connecting tube (413) is fixedly connected to the outer surface of the sliding rod (412). A first collar (414) is fixedly connected to the inner surface of the sleeve (411). A second collar (415) is slidably connected to the inner surface of the sleeve (411). The second collar (415) is fixedly sleeved on the outer surface of the sliding rod (412). The squeezing bladder (48) is connected to the cavity between the first collar (414) and the second collar (415) through a hose.

8. A laser slitting device for optical film production according to claim 7, characterized in that: The combing roller (41) includes a central column (416), which is rotatably connected to the end of a sliding rod (412). An air-gathering groove (417) is provided inside the central shaft. The air-gathering groove (417) is connected to a connecting pipe (413) through the sliding rod (412). The stretching bladder (410) is connected to the internal cavity of the connecting pipe (413) through a flexible hose. An expansion bladder (418) is fixedly embedded on the outer surface of the central column (416). The expansion bladder (418) is annular and is connected to the air-gathering groove (417).

9. A laser slitting device for optical film production according to claim 8, characterized in that: Limiting grooves (419) are provided on both outer surfaces of the central column (416). A combined cover (420) is slidably connected to the side surface of the central column (416) through the limiting grooves (419). The outer surface of the combined cover (420) is set as a rubber surface. Four combined covers (420) are arranged at fixed intervals around the central axis of the same central column (416). Insertion plates (421) are slidably inserted into both ends of the combined cover (420). Initially, the combined cover (420) is combined with the central column (416) to form a complete roller body through the insertion plates (421) and the limiting grooves (419). The outer surface of the expansion bladder (418) is fixedly connected to the inner surface of the combined cover (420).

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