Die-cutting machine for processing screen protection film

Abstract

The invention relates to the technical field of die cutting, and provides a die cutting machine for screen protective film processing, which comprises a machine tool, a die cutting frame is slidably mounted at the top of the machine tool, and a wind pressure machine is fixedly mounted at the top of the machine tool; a limiting device used for limiting the edge of a protective film is arranged on the inner wall of the machine tool and comprises a grinding tool plate, the grinding tool plate is fixedly installed on the inner wall of the machine tool, a material film barrel is rotatably installed on the surface of the machine tool, and a reciprocating lead screw is rotatably installed on the surface of the machine tool. A limiting plate is slidably mounted on the surface of the machine tool, a rotating cylinder is rotatably mounted on the inner wall of the machine tool, and an upper filter pressing cylinder is rotatably mounted on the surface of the machine tool. By means of the technical scheme, the technical problem that in the prior art, when the protective film is limited, the edge of the protective film may deviate in the follow-up process, and then the die cutting effect and quality of the protective film are affected is solved.

Description

Technical Field

[0001] The embodiments of the present invention relate to the field of die-cutting technology, and in particular, to a die-cutting machine for processing screen protective films. Background Art

[0002] A screen protector die-cutting machine is a device specifically designed for cutting screen protectors. Using a die and pressure, it cuts the film to the desired size and shape. This type of machine is very common in industries such as mobile phone screen protectors, tablet computer screen protectors, and TV screen protectors.

[0003] The patent with patent announcement number CN215589370U relates to a die-cutting machine for processing screen protective films, including: a base; a processing frame, the processing frame is fixed to the top of the base; a support plate, two support plates are fixed to both sides of the top of the base, and a sliding groove is provided on the front of the support plate, and a displacement block is slidably connected inside the sliding groove. The die-cutting device for the production and processing of vehicle-mounted screen protective films provided by this patent can push the displacement block to slide in the sliding groove through the elastic parts provided, and push the positioning wheel on the rotating shaft to roll at the edge of the entire protective film, thereby limiting the entire protective film, and then through the provided suction head, the finished protective film after cutting is sucked and automatically separated from the entire protective film, without the trouble of manual separation. It is simple to operate and easy to use, reducing the workload of the operator, thereby improving production efficiency.

[0004] In the above patent, the entire protective film is limited by pushing the displacement block to slide in the sliding groove and pushing the positioning wheel on the rotating shaft to roll at the edge of the entire protective film. However, when limiting the protective film, the edge of the protective film may be offset in the subsequent process, thereby affecting its die-cutting effect and quality. For this reason, a die-cutting machine for screen protective film processing with multi-transmission edge limitation is designed. Summary of the Invention

[0005] To overcome the above-mentioned defects, an embodiment of the present invention provides a die-cutting machine for processing screen protective films, which solves the technical problem in the prior art that when limiting the protective film, the edge of the protective film may shift in the subsequent process, thereby affecting its die-cutting effect and quality.

[0006] According to one aspect, at least one embodiment of the present invention provides a die-cutting machine for processing a screen protective film, comprising a machine tool, a die-cutting frame slidably mounted on the top of the machine tool, and an air press fixedly mounted on the top of the machine tool; The inner wall of the machine tool is provided with a limiting device for limiting the edge of the protective film, the limiting device includes a mold plate, the mold plate is fixedly mounted on the inner wall of the machine tool, a material film cylinder is rotatably mounted on the surface of the machine tool, a reciprocating screw is rotatably mounted on the surface of the machine tool, a limiting plate is slidably mounted on the surface of the machine tool, a rotating drum is rotatably mounted on the inner wall of the machine tool, an upper filter pressure cylinder is rotatably mounted on the surface of the machine tool, an adjusting groove for adjusting the height of the lower filter pressure cylinder is opened on the surface of the machine tool, the lower filter pressure cylinder is sleeved on the inner wall of the adjusting groove, a telescopic elastic rod is fixedly mounted on the surface of the machine tool, and a pressure plate is slidably mounted on the surface of the machine tool; A blanking plate for conveying and collecting the die-cut finished film is fixedly installed on the surface of the machine tool, and a waste drum is rotatably installed on the surface of the blanking plate, which improves the stability and reliability of the protective film during subsequent processing and avoids conveying deviation caused by edge offset of the protective film drum during rotation and unwinding.

[0007] For example, in a die-cutting machine for processing a screen protective film provided by at least one embodiment of the present invention, the limiting plate is connected to the reciprocating screw by a threaded connection, the limiting plate is slidably connected to the circumferential surface of the material film cylinder, the limiting plate is slidably connected to the circumferential surface of the rotating cylinder, and the limiting plate is slidably connected to the circumferential surface of the reciprocating screw, thereby improving the stability and reliability of the protective film during subsequent processing, and always maintaining the preset path, greatly reducing problems such as die-cutting misalignment and dimensional deviation caused by position shaking.

[0008] The pressure plate is fixedly connected to the free end of the telescopic elastic rod, one end of the lower filter pressure cylinder is connected to the output end of the motor, and one end of the reciprocating screw is connected to the output end of the motor, so as to smooth the protective film. At the same time, the wrinkles on the surface of the protective film are flattened by the lower filter pressure cylinder, so as to avoid the wrinkles on the surface of the protective film affecting the die-cutting effect in the subsequent die-cutting process, and ensure that the edge of the protective film after die-cutting is smooth and the size is accurate.

[0009] According to another aspect, at least one embodiment of the present invention also provides a die-cutting machine for processing screen protective films, wherein the circumferential surface of the rotating drum is provided with a correction device for correcting and clamping the back panel, the correction device includes a gear disc 1, the gear disc 1 is fixedly mounted on the circumferential surface of the rotating drum, a threaded rod is rotatably mounted on the surface of the machine tool, the end of the threaded rod close to the gear disc 1 is fixedly mounted with a gear disc 2, a sliding plate is slidably mounted on the inner wall of the machine tool, a telescopic elastic rod 2 is fixedly mounted on the inner wall of the machine tool, a sliding column is slidably penetrated at the top of the sliding plate, a linkage rod is rotatably mounted on the top of the sliding column, a correction plate is rotatably mounted on the end of the linkage rod away from the sliding column, a telescopic elastic rod 3 is fixedly mounted on the surface of the correction plate, and the free end of the telescopic elastic rod 3 is fixedly connected to the contact plate, so that the staff can process the back panel after placing it, avoid the equipment position affecting the efficiency of the staff in placing the back panel, reduce the time waste caused by equipment interference, and improve the efficiency of the preliminary preparation link.

[0010] The threaded rod is engaged with the second toothed disc, the circumferential surface of the second toothed disc is slidably connected to the sliding plate, the second toothed disc and the sliding plate are connected by threads, and a sliding groove is provided on the surface of the mold plate, which realizes the clamping of the back plate during correction first, thereby improving the die-cutting effect of the die-cutting frame on the protective film, and ensuring that the fitting position and die-cutting boundary of the protective film and the back plate are strictly matched.

[0011] For example, in a die-cutting machine for processing a screen protective film provided by at least one embodiment of the present invention, the free end of the telescopic elastic rod 2 is fixedly connected to the bottom of the sliding plate, and the bottom of the sliding column is connected to the output end of the motor to avoid the incompatibility of the die-cutting size of the protective film with the back plate due to the deviation of the back plate.

[0012] The surface of the machine tool is provided with a waste collecting device for collecting waste generated after die-cutting, and the waste collecting device includes a waste box, the waste box is fixedly mounted on the surface of the machine tool, a guide arc plate is fixedly mounted on the top of the waste box, an inclined block is fixedly mounted on the inner wall of the waste box, a sliding inclined plate is slidably mounted on the inner wall of the waste box, a linkage plate 1 is fixedly mounted on the surface of the sliding plate, a linkage plate 2 is slidably mounted on the surface of the correction plate, and a compression plate is fixedly mounted on the end of the linkage plate 2 away from the correction plate, thereby completing the collection of waste and reducing the risk of equipment jamming due to waste accumulation.

[0013] The inner wall of the guide arc plate is provided with an arc surface 1 for guiding the waste into the waste box. The linkage plate 2 slides through the surface of the inclined block. The end of the compression plate close to the sliding inclined plate is the telescopic end. The surface of the sliding inclined plate is set as inclined surface 1. The surface of the waste box is provided with a discharge chute. The waste at the top of the sliding inclined plate is squeezed into a smaller long strip of waste block under the passive extrusion action of the inclined block, which greatly reduces the space occupied by the waste, enables the machine tool to temporarily store more waste, and reduces the number of frequent emptying.

[0014] The beneficial effects of the embodiments of the present invention are: In the present invention, the reciprocating screw is rotated to drive the limiting plate to move toward the edge of the protective film, and then the limiting plate moves until it contacts the edge of the protective film, thereby limiting the edge of the protective film of the material film cylinder, improving the stability and reliability of the protective film during subsequent processing, and avoiding the conveying deviation caused by the edge offset of the protective film cylinder when it is rotated and unwound. The limiting plate moves to limit the protective film that bypasses the surface of the rotating cylinder, thereby limiting the protective film from the film outlet to the processing point, further improving the stability and reliability of the protective film during subsequent processing.

[0015] In the present invention, the lower filter press moves upward under the action of the motor output end. At this time, the lower filter press moves upward until it contacts the surface of the protective film. At this time, the protective film is smoothed. At the same time, the wrinkles on the surface of the protective film are flattened by the lower filter press, avoiding the influence of the wrinkles on the surface of the protective film on the die-cutting effect in the subsequent die-cutting process, and ensuring that the edge of the protective film after die-cutting is smooth and the size is accurate.

[0016] In the present invention, the sliding plate is driven to move upward by the rotation of the threaded rod. At this time, the sliding plate moves upward under the action of the threaded rod, and then the movement of the sliding plate drives the correction plate to move upward until it enters the correction groove opened on the surface of the mold plate, so that the staff can process the back plate after placing it, avoid the equipment position affecting the efficiency of the staff in placing the back plate, reduce the time waste caused by equipment interference, and improve the efficiency of the early preparation link.

[0017] In the present invention, the movement of the correction plate drives the movement of the contact plate, and the contact plate moves until it contacts the surface of the back plate, and then the contact plate moves to correct the angle of the back plate, and then the contact plate continues to move to clamp and fix the back plate, thereby achieving the effect of first correcting the back plate and then clamping it, thereby improving the die-cutting effect of the die-cutting frame on the protective film, and ensuring that the fitting position and die-cutting boundary of the protective film and the back plate are strictly matched, thereby avoiding the incompatibility between the die-cutting size of the protective film and the back plate caused by the deviation of the back plate.

[0018] In the present invention, the waste enters the interior of the waste box under the guidance of the guide arc plate, and then falls into the interior of the machine tool along the inclined block, completing the collection of the waste and reducing the risk of equipment jamming due to waste accumulation. The linkage plate moves upward, driving the sliding inclined plate upward, and the upward movement of the sliding inclined plate drives the waste accumulated on its surface to move upward. Then, the waste on the top of the sliding inclined plate is squeezed into smaller long strips of waste blocks under the passive squeezing action of the inclined block, which greatly reduces the space occupied by the waste and enables the machine tool to temporarily store more waste and reduce the number of frequent emptying. The compression plate moves to perform a second squeezing on the waste block and discharge it through the discharge chute. At this time, the waste at the outlet of the discharge chute is rectangular, and the compression and discharge effect of the waste is achieved. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] To more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly describes the drawings required for describing the embodiments of the present invention. Obviously, the drawings described below are merely exemplary embodiments of the present invention. Those skilled in the art can, without inventive effort, derive other drawings based on the contents of the exemplary embodiments of the present invention and these drawings.

[0020] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 Schematic diagram of the overall internal structure of the present invention; Figure 3 Schematic diagram of the position structure of the reciprocating screw and the limiting plate of the present invention; Figure 4 This is a schematic diagram of the position structure of the threaded rod and the second gear disc of the present invention; Figure 5 This is a schematic diagram of the position structure of the sliding column and the linkage rod of the present invention; Figure 6 For the present invention Figure 5 A schematic diagram of the enlarged structure of the middle part; Figure 7 This is a schematic diagram of the position structure of the inclined block and the sliding inclined plate of the present invention.

[0021] In the figure: 1. Machine tool; 2. Die-cutting frame; 3. Air press; 41. Mold plate; 42. Film cylinder; 43. Reciprocating screw; 44. Limit plate; 45. Rotating cylinder; 46. Upper filter pressure cylinder; 47. Lower filter pressure cylinder; 48. Telescopic elastic rod 1; 49. Pressing plate; 51. Unloading plate; 52. Waste cylinder; 61. Tooth disc 1; 62. Threaded rod; 63. Tooth disc 2; 64. Sliding plate; 65. Telescopic elastic rod 2; 66. Sliding column; 67. Linkage rod; 68. Correction plate; 69. Telescopic elastic rod 3; 610. Contact plate; 71. Waste box; 72. Guide arc plate; 73. Inclined block; 74. Sliding inclined plate; 75. Linkage plate 1; 76. Linkage plate 2; 77. Compression plate. DETAILED DESCRIPTION The present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, rather than to limit the present invention.

[0022] To simplify the drawings, only portions relevant to the invention are schematically depicted in each figure; they do not represent the actual structure of the product. Furthermore, to simplify the drawings and facilitate understanding, in some figures, only one component with the same structure or function is schematically depicted or labeled. In this document, "one" not only means "only one" but also "more than one," and "several" includes "two" and "more than two."

[0023] It should be noted that, unless otherwise specified or limited, the terms "mounted," "connected," and "connected" should be understood broadly. For example, they can refer to fixed, detachable, or integral connections; mechanical or electrical connections; direct or indirect connections through an intermediary; and internal communication between two components. Those skilled in the art will understand the specific meanings of these terms in the present invention based on the specific circumstances.

[0024] In the present invention, unless otherwise expressly specified or limited, a first feature being "above" or "below" a second feature may include the first and second features being in direct contact, or may include the first and second features being in contact not directly but through another feature between them. Furthermore, a first feature being "above," "above," and "above" a second feature may include the first feature being directly above or obliquely above the second feature, or may simply mean that the first feature is higher in level than the second feature. A first feature being "below," "below," and "below" a second feature may include the first feature being directly below or obliquely below the second feature, or may simply mean that the first feature is lower in level than the second feature.

[0025] In the description of this embodiment, the terms "up", "down", "left", "right", etc., and the orientation or position relationship are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of description and simplification of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be understood as a limitation on the present invention.

[0026] In addition, in the description of the present application, the terms "first", "second", etc. are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0027] like Figures 1 to 7 As shown, it shows a die-cutting machine for processing a screen protective film in one embodiment of the present invention, comprising a machine tool 1, a die-cutting frame 2 is slidably mounted on the top of the machine tool 1, and an air press 3 is fixedly mounted on the top of the machine tool 1; The inner wall of the machine tool 1 is provided with a limiting device for limiting the edge of the protective film, and the limiting device includes a mold plate 41, which is fixedly mounted on the inner wall of the machine tool 1, a material film cylinder 42 is rotatably mounted on the surface of the machine tool 1, a reciprocating screw 43 is rotatably mounted on the surface of the machine tool 1, a limiting plate 44 is slidably mounted on the surface of the machine tool 1, a rotating drum 45 is rotatably mounted on the inner wall of the machine tool 1, an upper filter pressure cylinder 46 is rotatably mounted on the surface of the machine tool 1, an adjusting groove for adjusting the height of the lower filter pressure cylinder 47 is opened on the surface of the machine tool 1, and the lower filter pressure cylinder 47 is sleeved on the inner wall of the adjusting groove, a telescopic elastic rod 48 is fixedly mounted on the surface of the machine tool 1, and a pressure plate 49 is slidably mounted on the surface of the machine tool 1.

[0028] In some examples, a blanking plate 51 for conveying and collecting the finished film after die-cutting is fixedly installed on the surface of the machine tool 1, and a waste barrel 52 is rotatably installed on the surface of the blanking plate 51, which pulls the protective film barrel to bypass the rotating drum 45 and the die-cutting frame 2 and is fixed on the circumferential surface of the waste barrel 52.

[0029] The limiting plate 44 is connected to the reciprocating screw 43 by a threaded connection, the limiting plate 44 is slidably connected to the circumferential surface of the material film cylinder 42, the limiting plate 44 is slidably connected to the circumferential surface of the rotating cylinder 45, and the limiting plate 44 is slidably connected to the circumferential surface of the reciprocating screw 43. The rotation of the reciprocating screw 43 drives the limiting plate 44 to move toward the edge of the protective film.

[0030] The pressure plate 49 is fixedly connected to the free end of the telescopic elastic rod 48, one end of the lower filter pressure cylinder 47 is connected to the output end of the motor, one end of the reciprocating screw 43 is connected to the output end of the motor, and the limit plate 44 moves under the action of the reciprocating screw 43, driving the end close to the rotating drum 45 to move.

[0031] For example, Figures 1 to 7As shown, the staff puts the protective film cylinder on the circumferential surface of the material film cylinder 42, and then pulls the protective film cylinder to pass through the rotating cylinder 45 and the die-cutting frame 2 to be fixed on the circumferential surface of the waste cylinder 52. At this time, the reciprocating screw 43 rotates under the action of the motor output end. Because the reciprocating screw 43 and the limiting plate 44 are threadedly connected, the reciprocating screw 43 rotates to drive the limiting plate 44 to move in the direction close to the edge of the protective film. Then the limiting plate 44 moves until it contacts the edge of the protective film. At this time, the edge of the protective film of the material film cylinder 42 is limited, which improves the stability and reliability of the protective film in the subsequent processing. At the same time, it avoids the conveying deviation caused by the edge offset of the protective film cylinder during rotation and unwinding. The limiting plate 44 moves under the action of the reciprocating screw 43 and drives the end close to the rotating cylinder 45 to move. At this time, the limiting plate 44 moves to limit the protective film passing around the surface of the rotating cylinder 45, and the protective film is realized. The protective film is limited from the film exit to the processing point, which further improves the stability and reliability of the protective film during the subsequent processing, and always maintains the preset path, greatly reducing the problems of die-cutting dislocation, size deviation and so on caused by position shaking. At this time, the lower filter pressure cylinder 47 moves upward under the action of the motor output end. At this time, the lower filter pressure cylinder 47 moves upward until it contacts the surface of the protective film. At this time, the protective film is smoothed, and the wrinkles on the surface of the protective film are flattened by the lower filter pressure cylinder 47 to avoid the wrinkles on the surface of the protective film affecting the die-cutting effect in the subsequent die-cutting process, ensuring that the edge of the protective film after die-cutting is smooth and the size is accurate. Then the die-cutting frame 2 is started, and the die-cutting frame 2 moves downward to die-cut the protective film. Then the protective film moves toward the waste barrel 52, and the finished protective film slides through the blanking plate 51, and the waste film with the protective film cut off is rolled up and collected by the waste barrel 52.

[0032] like Figures 1 to 7 As shown, it shows another embodiment of the present invention, the circumferential surface of the rotating drum 45 is provided with a correction device for correcting and clamping the back plate, the correction device includes a gear disc 61, the gear disc 61 is fixedly mounted on the circumferential surface of the rotating drum 45, a threaded rod 62 is rotatably mounted on the surface of the machine tool 1, and a gear disc 2 63 is fixedly mounted on the end of the threaded rod 62 close to the gear disc 1 61, a sliding plate 64 is slidably mounted on the inner wall of the machine tool 1, a telescopic elastic rod 2 65 is fixedly mounted on the inner wall of the machine tool 1, a sliding column 66 slides through the top of the sliding plate 64, a linkage rod 67 is rotatably mounted on the top of the sliding column 66, a correction plate 68 is rotatably mounted on the end of the linkage rod 67 away from the sliding column 66, a telescopic elastic rod 3 69 is fixedly mounted on the surface of the correction plate 68, the free end of the telescopic elastic rod 3 69 is fixedly connected to the contact plate 610, and the contact plate 610 moves until it contacts the surface of the back plate.

[0033] The threaded rod 62 is engaged with the second gear disc 63, and the circumferential surface of the second gear disc 63 is slidably connected with the sliding plate 64. The sliding plate 64 moves to the correction groove. At this time, the sliding column 66 moves downward under the action of the motor output end. The second gear disc 63 and the sliding plate 64 are connected by threads, and a sliding groove is provided on the surface of the mold plate 41.

[0034] The free end of the telescopic elastic rod 2 65 is fixedly connected to the bottom of the sliding plate 64, and the bottom of the sliding column 66 is connected to the output end of the motor. The sliding plate 64 moves upward under the action of the threaded rod 62, and then the sliding plate 64 moves to drive the correction plate 68 to move upward until it enters the correction groove opened on the surface of the mold plate 41. In some examples, the surface of the machine tool 1 is provided with a waste collection device for collecting waste generated after die-cutting, and the waste collection device includes a waste box 71, which is fixedly mounted on the surface of the machine tool 1, and a guide arc plate 72 is fixedly mounted on the top of the waste box 71, and an inclined block 73 is fixedly mounted on the inner wall of the waste box 71, and a sliding inclined plate 74 is slidably mounted on the inner wall of the waste box 71, and a linkage plate 1 75 is fixedly mounted on the surface of the sliding plate 64, and a linkage plate 2 76 is slidably mounted on the surface of the correction plate 68, and a compression plate 77 is fixedly mounted on the end of the linkage plate 2 76 away from the correction plate 68, and the compression plate 77 moves to perform secondary extrusion on the waste block and discharge it through the discharge chute. At this time, the waste at the outlet of the discharge chute is rectangular.

[0035] The inner wall of the guide arc plate 72 is provided with an arc surface 1 for guiding the waste into the waste box 71. The linkage plate 2 76 slides through the surface of the inclined block 73. The end of the compression plate 77 close to the sliding inclined plate 74 is the telescopic end. The surface of the sliding inclined plate 74 is set as inclined surface 1. The surface of the waste box 71 is provided with a discharge chute. The air press 3 moves the waste generated during the die-cutting process toward the direction close to the waste box 71 and blows it away.

[0036] For example, Figures 1 to 7As shown, the staff places the back plate on the top of the mold plate 41. When the rotating drum 45 rotates under the action of the protective film, the rotation of the rotating drum 45 drives the gear disc 1 61 to rotate. Because the gear disc 1 61 is engaged with the gear disc 2 63, the gear disc 1 61 rotates on the circumferential surface of the rotating drum 45 and drives the gear disc 2 63 to rotate. The rotation of the gear disc 2 63 drives the threaded rod 62 to rotate. Because the threaded rod 62 and the sliding plate 64 are connected by a thread, the rotation of the threaded rod 62 drives the sliding plate 64 to move upward. At this time, the sliding plate 64 moves upward under the action of the threaded rod 62, and then the sliding plate 64 moves and drives the correction plate 68 to move upward until it enters the correction groove opened on the surface of the mold plate 41. This realizes that the staff can process the back plate after placing it, avoids the equipment position affecting the efficiency of the staff in placing the back plate, and reduces the time waste caused by equipment interference. , improving the efficiency of the preliminary preparation link, and then the sliding plate 64 moves to the correction groove, at this time the sliding column 66 moves downward under the action of the motor output end, and then the sliding column 66 moves downward to drive the linkage rod 67 to rotate, and the linkage rod 67 rotates to drive the correction plate 68 to move in the direction close to the sliding column 66, at this time the correction plate 68 moves to drive the contact plate 610 to move, and the contact plate 610 moves until it contacts the surface of the back plate, and then the contact plate 610 moves to correct the angle of the back plate, and then the contact plate 610 continues to move to clamp and fix the back plate, realizing the correction of the back plate first and then clamping, thereby improving the die-cutting effect of the die-cutting frame 2 on the protective film, and ensuring that the fitting position and die-cutting boundary of the protective film and the back plate are strictly matched, avoiding the incompatibility of the die-cutting size of the protective film with the back plate due to the deviation of the back plate.

[0037] After the die-cutting frame 2 has die-cut the protective film, the air press 3 is started, and the air press 3 moves the waste generated in the die-cutting process toward the waste box 71 and blows it away. Then, the waste enters the interior of the guide arc plate 72 under the action of the air press 3, and then enters the interior of the waste box 71 under the guidance of the guide arc plate 72. Then, the waste falls into the interior of the machine tool 1 along the inclined block 73, completing the collection of the waste and reducing the risk of equipment jamming due to waste accumulation. When the sliding plate 64 moves upward, it drives the linkage plate 75 to move, and then the linkage plate 75 moves upward to drive the sliding inclined plate 74 to move upward. The sliding inclined plate 74 moves upward to drive the waste accumulated on its surface to move upward, and then it is on the sliding inclined plate The waste on the top of 74 is squeezed into a smaller strip-shaped waste block under the passive squeezing action of the inclined block 73, which greatly reduces the space occupied by the waste, enables the machine tool 1 to temporarily store more waste, and reduces the number of frequent emptying. Subsequently, when the linkage plate 2 76 moves toward the sliding column 66 under the action of the linkage rod 67, the linkage plate 2 76 moves to drive the linkage plate 2 76 to move, and the linkage plate 2 76 moves to drive the compression plate 77 to move. The compression plate 77 moves to perform secondary squeezing on the waste block and discharge it through the discharge chute. At this time, the waste at the outlet of the discharge chute is rectangular, and the compression and discharge effect of the waste is achieved. At this time, the degree of automation of waste processing is improved, and the cost and difficulty of waste recycling are reduced.

[0038] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should all be included in the scope of the claims of the present invention.

Claims

1. A die-cutting machine for processing screen protective films, comprising a machine tool (1), characterized in that: A die-cutting frame (2) is slidably mounted on the top of the machine tool (1), and an air press (3) is fixedly mounted on the top of the machine tool (1); The inner wall of the machine tool (1) is provided with a limiting device for limiting the edge of the protective film, the limiting device includes a mold plate (41), the mold plate (41) is fixedly mounted on the inner wall of the machine tool (1), a material film cylinder (42) is rotatably mounted on the surface of the machine tool (1), a reciprocating screw (43) is rotatably mounted on the surface of the machine tool (1), a limiting plate (44) is slidably mounted on the surface of the machine tool (1), a rotating drum (45) is rotatably mounted on the inner wall of the machine tool (1), an upper filter pressure cylinder (46) is rotatably mounted on the surface of the machine tool (1), an adjusting groove for adjusting the height of the lower filter pressure cylinder (47) is opened on the surface of the machine tool (1), the lower filter pressure cylinder (47) is sleeved on the inner wall of the adjusting groove, a telescopic elastic rod (48) is fixedly mounted on the surface of the machine tool (1), and a pressure plate (49) is slidably mounted on the surface of the machine tool (1); A blanking plate (51) for conveying and collecting the die-cut finished film is fixedly mounted on the surface of the machine tool (1), and a waste barrel (52) is rotatably mounted on the surface of the blanking plate (51).

2. The die-cutting machine for processing a screen protective film according to claim 1, characterized in that: The limiting plate (44) is connected to the reciprocating screw (43) via a threaded connection, the limiting plate (44) is slidably connected to the circumferential surface of the film cylinder (42), the limiting plate (44) is slidably connected to the circumferential surface of the rotating cylinder (45), and the limiting plate (44) is slidably connected to the circumferential surface of the reciprocating screw (43).

3. The screen protection film die-cutting machine according to claim 2, characterized in that: The pressure plate (49) is fixedly connected to the free end of the telescopic elastic rod (48), one end of the lower filter pressure cylinder (47) is connected to the output end of the motor, and one end of the reciprocating screw (43) is connected to the output end of the motor.

4. The die-cutting machine for processing a screen protective film according to claim 3, characterized in that: The circumferential surface of the rotating drum (45) is provided with a correction device for correcting and clamping the back plate, and the correction device includes a toothed disc (61), the toothed disc (61) is fixedly mounted on the circumferential surface of the rotating drum (45), a threaded rod (62) is rotatably mounted on the surface of the machine tool (1), and a toothed disc (63) is fixedly mounted on one end of the threaded rod (62) close to the toothed disc (61), a sliding plate (64) is slidably mounted on the inner wall of the machine tool (1), and a telescopic elastic rod (65) is fixedly mounted on the inner wall of the machine tool (1), a sliding column (66) is slidably penetrated through the top of the sliding plate (64), a linkage rod (67) is rotatably mounted on the top of the sliding column (66), and a correction plate (68) is rotatably mounted on the end of the linkage rod (67) away from the sliding column (66), and a telescopic elastic rod (69) is fixedly mounted on the surface of the correction plate (68), and the free end of the telescopic elastic rod (69) is fixedly connected to the contact plate (610).

5. The die-cutting machine for processing a screen protective film according to claim 4, characterized in that: The threaded rod (62) is engaged with the second toothed disc (63), the circumferential surface of the second toothed disc (63) is slidably connected to the sliding plate (64), the second toothed disc (63) and the sliding plate (64) are connected via threads, and a sliding groove is provided on the surface of the mold plate (41).

6. The die-cutting machine for processing a screen protective film according to claim 5, characterized in that: The free end of the second telescopic elastic rod (65) is fixedly connected to the bottom of the sliding plate (64), and the bottom of the sliding column (66) is connected to the output end of the motor.

7. The die-cutting machine for processing a screen protective film according to claim 6, characterized in that: The surface of the machine tool (1) is provided with a waste collection device for collecting waste generated after die-cutting, and the waste collection device comprises a waste box (71), the waste box (71) is fixedly mounted on the surface of the machine tool (1), a guide arc plate (72) is fixedly mounted on the top of the waste box (71), an inclined block (73) is fixedly mounted on the inner wall of the waste box (71), and a sliding inclined plate (74) is slidably mounted on the inner wall of the waste box (71).

8. The die-cutting machine for processing a screen protective film according to claim 7, characterized in that: A linkage plate 1 (75) is fixedly mounted on the surface of the sliding plate (64), a linkage plate 2 (76) is slidably mounted on the surface of the correction plate (68), and a compression plate (77) is fixedly mounted on one end of the linkage plate 2 (76) away from the correction plate (68).

9. The die-cutting machine for processing a screen protective film according to claim 8, characterized in that: The inner wall of the guide arc plate (72) is provided with an arc surface 1 for facilitating the waste material to be guided and discharged into the waste box (71), and the linkage plate 2 (76) slides through the surface of the inclined block (73).

10. The die-cutting machine for processing a screen protective film according to claim 9, characterized in that: One end of the compression plate (77) close to the sliding inclined plate (74) is a telescopic end, the surface of the sliding inclined plate (74) is configured as inclined surface 1, and a discharge trough is provided on the surface of the waste box (71).

Images