Optical film cutting equipment
By designing an optical diaphragm cutting device with cylinder and spring structure, the problem of shaking and skewing of the optical diaphragm during cutting is solved, and the accuracy of cutting and protection of the diaphragm surface is achieved.
Patent Information
- Application Number
- CN202421665929.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-15
- Publication Date
- 2025-05-09
- Estimated Expiration
- 2034-07-15
AI Technical Summary
When cutting optical diaphragms, the existing cutting machines do not fix the diaphragms, which leads to shaking of the diaphragms, which prone to cut crooks.
An optical diaphragm cutting device is designed, using a cylinder to drive the connecting plate downward, the contact rod is moved downward, and the sliding rod is squeezed to make the pressing block and the pressure plate move downward to press and fix the optical diaphragm to avoid shaking. At the same time, the spring structure plays a buffering role in the cutting process to prevent damage to the diaphragm surface.
It effectively avoids shaking and offset of the optical diaphragm during the cutting process, ensures the accuracy and quality of the cutting, and protects the surface of the diaphragm to avoid damage caused by direct extrusion.
Smart Images
Figure CN222844243U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of film cutting, in particular to an optical film cutting device. Background Art
[0002] Optical film is a type of optical medium material composed of thin layered media, which propagates light beams through interfaces. The application of optical films began in the 1930s. Nowadays, optical films have been widely used in the fields of optics and optoelectronics to manufacture various optical instruments. During the processing of optical films, they need to be cut to facilitate winding, packaging and discharging.
[0003] However, when the existing cutting machine cuts the optical film, because there is no device to fix the optical film during cutting, the optical film is easy to shake when being cut, which causes the optical film to be cut crooked, affecting the cutting work of the optical film. Therefore, an optical film cutting device is proposed to solve the above problem. Utility Model Content
[0004] In view of the deficiencies of the prior art, the utility model provides an optical film cutting device to solve the problems raised in the above background technology.
[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0006] An optical film cutting device comprises a base plate, a workbench is fixedly installed on the top side of the base plate, the workbench is provided with a long groove, a conveyor belt is arranged in the long groove, a bracket is fixedly installed on the top side of the workbench, guide holes are provided on both sides of the bracket, sliding rods are slidably installed in the guide holes provided on both sides, a same pressing block is fixedly installed on the side where the sliding rods are close to each other, the pressing block is provided with a square hole, two groups of first springs are fixedly installed on the bottom side of the pressing block, the number of each group of first springs is two, the other ends of the two groups of first springs are fixedly connected to a pressing plate, a cutting assembly is arranged above the pressing block, two mounting plates and two fixing plates are respectively fixedly installed on the top side of the workbench, a placing assembly and a winding assembly are respectively arranged between the two mounting plates and the two fixing plates, and an anti-wrinkle assembly is arranged on the side where the two mounting plates and the two fixing plates are close to each other.
[0007] Preferably, the cutting assembly includes a cylinder fixedly mounted on the top side of the bracket, the output end of the cylinder passes through the bracket and is fixedly connected to a connecting plate, the bottom side of the connecting plate is fixedly connected to a cutter, the cutter faces the conveyor belt, the outer side of the connecting plate is adapted to the square hole opened in the pressing block, and two groups of contact rods are fixedly mounted on the top side of the connecting plate, each group of contact rods has two contact rods, both groups of contact rods slide in guide holes opened on both sides of the bracket, and the other ends of the two groups of contact rods face the top sides of the two sliding rods respectively.
[0008] Preferably, the bottom sides of the two sliding rods are fixedly connected with second springs, the other ends of the two second springs are fixedly connected to the top side of the workbench, telescopic columns are arranged in the two second springs and the multiple first springs, the two ends of the telescopic columns arranged in the two second springs are respectively fixedly connected to the bottom side of the sliding rod and the top side of the workbench, while the two ends of the multiple telescopic columns arranged in the multiple first springs are fixedly connected to the bottom side of the pressure block and the top side of the pressure plate.
[0009] Preferably, the placement assembly comprises a connecting rod fixedly mounted on one side of the two mounting plates close to each other, and a movable cylinder is movably sleeved on the outer side of the connecting rod.
[0010] Preferably, the winding assembly includes a rotating motor fixedly mounted on one side of a fixed plate, the output end of the rotating motor rotates through a fixed plate and is fixedly mounted with a rotating rod, the other end of the rotating rod is rotatably connected to another fixed plate, and a winding drum is fixedly sleeved on the outer side of the rotating rod, and the winding drum and the movable drum are on the same horizontal line.
[0011] Preferably, the anti-wrinkle assembly includes two mounting plates and two fixed plates with inclined rods fixedly installed on one side close to each other, each two inclined rods are fixedly connected to the same connecting column on one side close to each other, and anti-wrinkle wheels are movably sleeved on the outer sides of the two connecting columns, the two anti-wrinkle wheels are on the same horizontal line, and the two anti-wrinkle wheels are located on both sides of the bracket.
[0012] Preferably, a collecting box is fixedly mounted on the top side of the bottom plate, the collecting box and the conveyor belt are on the same horizontal line, and a guide plate is fixedly mounted on the top side of the workbench, the guide plate is located at one end of the conveyor belt and faces the collecting box.
[0013] Compared with the prior art, the beneficial effect of the utility model is that when the optical film cutting device is cutting the optical film, the cylinder is started to drive the connecting plate to move downward, and when the connecting plate moves downward, the two groups of contact rods arranged on the top side move downward synchronously, thereby squeezing the two sliding rods, so that the pressure block drives the two pressure plates to move downward synchronously, and the two pressure plates will contact the optical film, thereby pressing and fixing the optical film, which can avoid shaking during the cutting process and causing cutting deviation, and by arranging multiple first springs between the pressure block and the pressure plate, it can play a buffering role when the pressure plate squeezes the optical film, avoiding direct squeezing of the surface of the optical film to cause damage.
[0014] By setting two second springs, when the cylinder drives the connecting plate to move up, the two second springs will drive the two sliding bars to rebound and reset, so that the two pressure plates stop squeezing the optical film, and in the process of winding, the cylinder will move up and down cyclically to drive the cutter to cut, and during each cutting, the connecting plate will drive the two sets of contact rods to squeeze toward the two sliding bars, so that the two pressure plates under the clamping block squeeze the optical film, thus completely avoiding the deviation of the optical film during cutting. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a three-dimensional schematic diagram of the structure of the utility model;
[0016] Figure 2 This is a schematic diagram of some parts of the anti-wrinkle wheel structure of the utility model;
[0017] Figure 3 This is a schematic diagram of some parts of the contact rod structure of the utility model;
[0018] Figure 4 It is a schematic diagram of some parts of the structural pressure plate of the utility model.
[0019] In the figure: 1. bottom plate; 2. workbench; 3. conveyor belt; 4. guide plate; 5. collecting box; 6. mounting plate; 7. fixing plate; 8. connecting rod; 9. movable cylinder; 10. inclined rod; 11. connecting column; 12. anti-wrinkle wheel; 13. rotating motor; 14. rotating rod; 15. winding drum; 16. bracket; 17. guide hole; 18. cylinder; 19. connecting plate; 20. cutter; 21. contact rod; 22. sliding rod; 23. pressure block; 24. first spring; 25. pressure plate; 26. second spring; 27. telescopic column. DETAILED DESCRIPTION
[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0021] Reference Figure 1-4An optical film cutting device includes a bottom plate 1, a workbench 2 is fixedly installed on the top side of the bottom plate 1, the workbench 2 is provided with a long groove, a conveyor belt 3 is arranged in the long groove, a bracket 16 is fixedly installed on the top side of the workbench 2, guide holes 17 are provided on both sides of the bracket 16, slide bars 22 are slidably installed in the guide holes 17 provided on both sides, a same pressing block 23 is fixedly installed on the side of the slide bars 22 close to each other, the pressing block 23 is provided with a square hole, and two groups of first springs 24 are fixedly installed on the bottom side of the pressing block 23, There are two first springs 24 in each group, and the other ends of the two groups of first springs 24 are fixedly connected to a pressing plate 25. A cutting assembly is arranged above the pressing block 23. Two mounting plates 6 and two fixing plates 7 are fixedly installed on the top side of the workbench 2. A placing assembly and a winding assembly are arranged between the two mounting plates 6 and the two fixing plates 7. An anti-wrinkle assembly is arranged on the side where the two mounting plates 6 and the two fixing plates 7 are close to each other. Through the two groups of first springs 24 and the two pressing plates 25 arranged below the pressing block 23, When the pressing block 23 moves downward, the two groups of first springs 24 and the two pressing plates 25 move downward synchronously, and then the bottom sides of the two pressing plates 25 can contact the optical film, thereby pressing and fixing the optical film to avoid shaking during the cutting process and causing cutting deviation. In the process of the pressing block 23 and the pressing plate 25 moving downward, the connecting plate 19 will pass through the square hole opened in the pressing block 23, so that the cutter 20 cuts the optical film. After the cutting is completed, the cylinder 18 drives the connecting plate 19 to move upward, and the two second springs 2 6, the two slide bars 22 will rebound and reset, so that the other end of the optical film will pass through another anti-wrinkle wheel 12 and be fixedly wound on the outside of the winding drum 15, and the cut optical film will be conveyed by the conveyor belt 3 to the collection box 5 for storage, and in the process of winding, the cylinder 18 will cyclically move up and down to drive the cutter 20 to cut the optical film, and each time the optical film is cut, the two pressure plates 25 will squeeze the optical film, so as to completely avoid the deviation of the optical film during cutting.
[0022] Specifically, the cutting assembly includes a cylinder 18 fixedly mounted on the top side of the bracket 16, the output end of the cylinder 18 passes through the bracket 16 and is fixedly connected to a connecting plate 19, a cutter 20 is fixedly connected to the bottom side of the connecting plate 19, the cutter 20 faces the conveyor belt 3, the outer side of the connecting plate 19 is adapted to the square hole formed in the pressing block 23, two groups of contact rods 21 are fixedly mounted on the top side of the connecting plate 19, each group of contact rods 21 has two contact rods, both groups of contact rods 21 slide in guide holes 17 formed on both sides of the bracket 16, the other ends of the two groups of contact rods 21 face the top sides of the two sliding rods 22 respectively, the bottom sides of the two sliding rods 22 are fixedly connected to second springs 26, the other ends of the two second springs 26 are fixedly connected to the top side of the workbench 2, telescopic columns 27 are provided in the two second springs 26 and the plurality of first springs 24, and both second springs 26 are provided with The two ends of the telescopic column 27 are fixedly connected to the bottom side of the slide bar 22 and the top side of the workbench 2, respectively, and the two ends of the multiple telescopic columns 27 arranged in the multiple first springs 24 are fixedly connected to the bottom side of the pressure block 23 and the top side of the pressure plate 25. When the optical film moves below the cutter 20, the connecting plate 19 is driven downward by starting the cylinder 18. When the connecting plate 19 moves downward, the two groups of contact rods 21 fixedly installed on the top side of the connecting plate 19 will slide downward along the guide holes 17 opened on both sides of the bracket 16, and then the two groups of contact rods 21 will contact the two slide bars 22, thereby being able to synchronously drive the two slide bars 22 to move downward. Because the same pressure block 23 is arranged between the two slide bars 22, the pressure block 23 will also move downward synchronously, and the optical film can be pressed in cooperation with the two pressure plates 25, effectively avoiding distortion or displacement during cutting.
[0023] Specifically, the placement component includes a connecting rod 8 fixedly installed on one side of the two mounting plates 6 close to each other, and a movable cylinder 9 is movably sleeved on the outer side of the connecting rod 8. Through the movable cylinder 9, the optical film to be cut is fixedly wound on the movable cylinder 9 before cutting, and then one end of the optical film is passed under an anti-wrinkle wheel 12, and then moved to the cutter 20 for cutting. In combination with the winding component, the cut scraps can be collected while cutting.
[0024] Specifically, the winding assembly includes a rotating motor 13 fixedly mounted on one side of a fixed plate 7. The output end of the rotating motor 13 rotates through a fixed plate 7 and is fixedly mounted with a rotating rod 14. The other end of the rotating rod 14 is rotatably connected to another fixed plate 7. A winding drum 15 is fixedly sleeved on the outer side of the rotating rod 14. The winding drum 15 and the movable drum 9 are on the same horizontal line. By starting the rotating motor 13 to drive the winding drum 15 to rotate, the cut scraps can be collected for subsequent unified processing.
[0025] Specifically, the anti-wrinkle component includes two mounting plates 6 and two fixing plates 7, on which the sides close to each other are fixedly installed with inclined rods 10, and on which the sides close to each other of each two inclined rods 10 are fixedly connected with the same connecting column 11, and the outer sides of the two connecting columns 11 are movably sleeved with anti-wrinkle wheels 12, and the two anti-wrinkle wheels 12 are on the same horizontal line, and the two anti-wrinkle wheels 12 are located on both sides of the bracket 16. By setting the two anti-wrinkle wheels 12, when the optical film is conveyed, the two anti-wrinkle wheels 12 can maintain the flatness of the optical film during transportation before and after cutting.
[0026] Specifically, a collecting box 5 is fixedly installed on the top side of the base plate 1, and the collecting box 5 is on the same horizontal line as the conveyor belt 3. A guide plate 4 is fixedly installed on the top side of the workbench 2. The guide plate 4 is located at one end of the conveyor belt 3 and faces the collecting box 5. Through the set guide plate 4, when the conveyor belt 3 transports the cut optical film, the optical film will consume the guide plate 4 and fall into the collecting box 5, which is convenient for subsequent unified collection.
[0027] The optical film cutting device is connected to a 220V mains power supply, and the main controller can be a conventional known device such as a computer for control.
[0028] In use: when it is necessary to cut the optical film, the optical film to be cut is fixedly wound on the movable cylinder 9, and then one end of the optical film is passed through an anti-wrinkle wheel 12. When the optical film moves below the cutter 20, the connecting plate 19 is driven downward by starting the cylinder 18. When the connecting plate 19 moves downward, the two groups of contact rods 21 fixedly installed on the top side of the connecting plate 19 will slide downward along the guide holes 17 opened on both sides of the bracket 16, and then the two groups of contact rods 21 will contact the two sliding The rod 22 can synchronously drive the two slide bars 22 to move downward, and because the same pressing block 23 is arranged between the two slide bars 22, the pressing block 23 will also move downward synchronously. Through the two sets of first springs 24 and two pressing plates 25 arranged below the pressing block 23, when the pressing block 23 moves downward, the two sets of first springs 24 and the two pressing plates 25 move downward synchronously, and then the bottom sides of the two pressing plates 25 can contact the optical film, thereby pressing and fixing the optical film, avoiding shaking during the cutting process and causing cutting. The connecting plate 19 will pass through the square hole of the pressing block 23 during the downward movement of the pressing block 23 and the pressing plate 25, so that the cutter 20 can cut the optical film. After the cutting is completed, the cylinder 18 drives the connecting plate 19 to move upward, and the two second springs 26 drive the two slide bars 22 to rebound and reset, so that the other end of the optical film passes through another anti-wrinkle wheel 12 and is fixedly wound on the outside of the winding drum 15, and the cut optical film is conveyed to the collection box by the conveyor belt 3. 5, by starting the rotary motor 13 to drive the winding drum 15 to rotate, the cut scraps can be collected for subsequent unified processing, and in the process of winding, the cylinder 18 will cyclically move up and down to drive the cutter 20 to cut the optical film, and each time the optical film is cut, the two pressing plates 25 will squeeze the optical film, which completely avoids the deviation of the optical film during cutting, and the two anti-wrinkle wheels 12 can maintain the flatness of the optical film during transportation before and after cutting.
[0029] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.
[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. An optical film cutting device, comprising a base plate (1), characterized in that: A workbench (2) is fixedly installed on the top side of the bottom plate (1), the workbench (2) is provided with a long groove, a conveyor belt (3) is arranged in the long groove, a bracket (16) is fixedly installed on the top side of the workbench (2), guide holes (17) are provided on both sides of the bracket (16), slide bars (22) are slidably installed in the guide holes (17) provided on both sides, a same pressing block (23) is fixedly installed on the side of the slide bars (22) close to each other, the pressing block (23) is provided with a square hole, and two pressing blocks (23) are fixedly installed on the bottom side of the pressing block (23). A group of first springs (24), each group of first springs (24) has two first springs, the other ends of the two groups of first springs (24) are fixedly connected to a pressing plate (25), a cutting assembly is arranged above the pressing block (23), two mounting plates (6) and two fixing plates (7) are respectively fixedly installed on the top side of the workbench (2), a placing assembly and a winding assembly are respectively arranged between the two mounting plates (6) and the two fixing plates (7), and an anti-wrinkle assembly is arranged on the side where the two mounting plates (6) and the two fixing plates (7) are close to each other.
2. The optical film cutting device according to claim 1, characterized in that: The cutting assembly comprises a cylinder (18) fixedly mounted on the top side of a bracket (16); the output end of the cylinder (18) passes through the bracket (16) and is fixedly connected to a connecting plate (19); a cutter (20) is fixedly connected to the bottom side of the connecting plate (19); the cutter (20) faces the conveyor belt (3); the outer side of the connecting plate (19) is matched with a square hole formed in a pressing block (23); two groups of contact rods (21) are fixedly mounted on the top side of the connecting plate (19); each group of contact rods (21) has two contact rods; the two groups of contact rods (21) slide in guide holes (17) formed on both sides of the bracket (16); the other ends of the two groups of contact rods (21) face the top sides of two sliding rods (22) respectively.
3. The optical film cutting device according to claim 1, characterized in that: The bottom sides of the two sliding bars (22) are fixedly connected with second springs (26), the other ends of the two second springs (26) are fixedly connected to the top side of the workbench (2), and telescopic columns (27) are arranged in the two second springs (26) and the plurality of first springs (24), the two ends of the telescopic columns (27) arranged in the two second springs (26) are respectively fixedly connected to the bottom side of the sliding bars (22) and the top side of the workbench (2), while the two ends of the plurality of telescopic columns (27) arranged in the plurality of first springs (24) are fixedly connected to the bottom side of the pressure block (23) and the top side of the pressure plate (25).
4. The optical film cutting device according to claim 1, characterized in that: The placement assembly comprises a connecting rod (8) fixedly mounted on one side of two mounting plates (6) close to each other, and a movable cylinder (9) is movably sleeved on the outer side of the connecting rod (8).
5. The optical film cutting device according to claim 1, characterized in that: The winding assembly comprises a rotating motor (13) fixedly mounted on one side of a fixed plate (7); the output end of the rotating motor (13) rotates through a fixed plate (7) and is fixedly mounted with a rotating rod (14); the other end of the rotating rod (14) is rotatably connected to another fixed plate (7); a winding drum (15) is fixedly sleeved on the outer side of the rotating rod (14); and the winding drum (15) and the movable drum (9) are on the same horizontal line.
6. The optical film cutting device according to claim 1, characterized in that: The anti-wrinkle assembly comprises two mounting plates (6) and two fixing plates (7) on which inclined rods (10) are fixedly installed on the sides close to each other, and each of the two inclined rods (10) on the sides close to each other is fixedly connected to the same connecting column (11), and the outer sides of the two connecting columns (11) are movably sleeved with anti-wrinkle wheels (12), the two anti-wrinkle wheels (12) are on the same horizontal line, and the two anti-wrinkle wheels (12) are located on both sides of the bracket (16).
7. The optical film cutting device according to claim 1, characterized in that: A collecting box (5) is fixedly mounted on the top side of the bottom plate (1), and the collecting box (5) is connected to the conveying The belts (3) are at the same horizontal line, and a guide plate (4) is fixedly installed on the top side of the workbench (2). The guide plate (4) is located at one end of the conveyor belt (3) and faces the collecting box (5).