Waste recovery device of printing die-cutting machine

Abstract

The utility model discloses a waste recovery device of a printing die-cutting machine, which belongs to the field of die-cutting machines and comprises a die-cutting machine used for die-cutting products and a conveyor belt used for conveying the products, a mounting frame is arranged beside the die-cutting machine, the conveyor belt is arranged in the mounting frame, and a recovery mechanism is arranged on the mounting frame. The recycling mechanism comprises a mounting frame arranged on the mounting frame, a brush strip used for sweeping waste, a first driving assembly used for driving the brush strip to slide, a collecting bag used for collecting the waste and an air suction machine used for sucking air, the brush strip is arranged in the mounting frame in a sliding mode and located above the conveying belt, and a discharging hole is formed in the side face of the mounting frame; a discharging hole is formed in the side face of the mounting frame and communicated with the discharging hole, one end of the collecting bag is arranged on the mounting frame in a sleeving mode, the other end of the collecting bag is arranged on the air suction machine in a sleeving mode, and the collecting bag is communicated with the discharging hole. The waste recovery device has the effect of improving the waste recovery efficiency of the die-cutting machine.

Description

Technical Field

[0001] The utility model relates to the technical field of die-cutting machines, in particular to a waste material recovery device of a printing die-cutting machine. Background Art

[0002] The die-cutting process is the most commonly used process for packaging and printing products. It is a molding process that uses a die-cutting knife to combine into a die-cutting plate according to the pattern required by the product design. Under the action of pressure, the printed matter or other coiled blanks are rolled and cut into the required shape or cut marks. In the process of die-cutting the product, a large amount of waste will be generated. If these wastes are not handled in time, they will not only take up a lot of space, but also may cause environmental pollution. After the product is die-cut, it is usually transported by a conveyor belt. Traditional printing die-cutting machine waste recycling usually adopts manual collection, which has low recycling efficiency and cumbersome operation, and it is difficult to meet the needs of modern printing die-cutting production.

[0003] In view of the above-mentioned related technologies, it is urgently necessary to design a waste recovery device for a printing die-cutting machine, which does not require manual collection of die-cutting machine waste and improves the recovery efficiency of die-cutting machine waste. Utility Model Content

[0004] In order to improve the recycling efficiency of die-cutting machine waste, the present application provides a waste recycling device for a printing die-cutting machine.

[0005] The present application provides a waste recycling device for a printing die-cutting machine, which adopts the following technical solution:

[0006] A waste recovery device for a printing die-cutting machine comprises a die-cutting machine for die-cutting products and a conveyor belt for conveying the products, a mounting frame is arranged next to the die-cutting machine, the conveyor belt is arranged in the mounting frame, a recovery mechanism is arranged on the mounting frame, the recovery mechanism comprises a mounting frame arranged on the mounting frame, a brush bar for cleaning waste, a first driving assembly for driving the brush bar to slide, a collecting bag for collecting waste and an air suction machine for suction, the brush bar is slidably arranged in the mounting frame, the brush bar is located above the conveyor belt, a discharge hole is opened on the side of the mounting frame, a discharge hole is opened on the side of the mounting frame, the discharge hole is connected with the discharge hole, one end of the collecting bag is sleeved on the mounting frame, the other end of the collecting bag is sleeved on the air suction machine, and the collecting bag is connected with the discharge hole.

[0007] By adopting the above technical scheme, a mounting frame is arranged next to the die-cutting machine, a conveyor belt is arranged in the mounting frame, a discharge hole is opened on the side of the mounting frame, a mounting frame is arranged on the mounting frame, a discharge hole is opened on the side of the mounting frame, the discharge hole is connected with the discharge hole, one end of the collecting bag is sleeved on the mounting frame, and the other end of the collecting bag is sleeved on the suction machine, the collecting bag is connected with the discharge hole, and the brush bar is located above the conveyor belt. When it is necessary to clean the waste, the first driving component is used to drive the brush bar to slide, the brush bar brushes the waste to the vicinity of the discharge hole, drives the suction machine, and the suction machine sucks the waste into the collecting bag, so as to facilitate the recycling of the waste and improve the recycling efficiency of the waste of the die-cutting machine.

[0008] Preferably, a sliding groove is provided in the installation frame, and the first driving assembly includes a motor 1 arranged in the installation frame, a screw 1 fixed on the output shaft of the motor 1, and a mounting strip threadedly sleeved on the screw 1, the screw 1 is rotatably arranged in the sliding groove, the mounting strip is slidably arranged in the sliding groove, and the brush strip is vertically slidably arranged on the mounting strip.

[0009] By adopting the above technical solution, a sliding groove is opened in the installation frame, motor 1 is arranged in the installation frame, screw 1 is fixed on the output shaft of motor 1, screw 1 is rotatably arranged in the sliding groove, the installation bar is threadedly sleeved on screw 1, the installation bar is slidably arranged in the sliding groove, and the brush bar is vertically slidably arranged on the installation bar. When it is necessary to drive the brush bar to move, motor 1 is driven to make motor 1 drive screw 1 to rotate forward or reversely, and screw 1 drives the installation bar to reciprocate, thereby facilitating the movement of the brush bar and further facilitating the cleaning of waste.

[0010] Preferably, the recovery mechanism includes a second drive assembly, the second drive assembly includes a cylinder arranged in the mounting strip, the brush strip is arranged on the output shaft of the cylinder, and the brush strip is located directly above the conveyor belt.

[0011] By adopting the above technical solution, the cylinder is arranged in the mounting strip, the brush strip is arranged on the output shaft of the cylinder, and the brush strip is located just above the conveyor belt, so that the distance between the brush strip and the conveyor belt can be adjusted easily.

[0012] Preferably, a sliding groove 1 is opened on the installation frame, and a protective mechanism is arranged on the installation frame, and the protective mechanism includes a motor 2 arranged in the installation frame, a screw 2 fixed on the output shaft of the motor 2 and a protective plate 1 vertically slidably arranged in the sliding groove 1, the screw 2 is rotatably arranged in the sliding groove 1, the screw 2 is threadedly inserted in the protective plate 1, and the protective plate 1 is located on the side of the brush strip away from the die-cutting machine.

[0013] By adopting the above technical scheme, a sliding groove 1 is opened on the installation frame, a motor 2 is arranged in the installation frame, a screw 2 is fixed on the output shaft of the motor 2, the screw 2 is rotatably arranged in the sliding groove 1, a protective plate 1 is vertically slidably arranged in the sliding groove 1, the screw 2 is threadedly inserted in the protective plate 1, and the protective plate 1 is located on the side of the brush bar away from the die-cutting machine. In the process of the brush bar cleaning the waste, the driving motor 2 drives the screw 2 to rotate, so as to facilitate the downward movement of the protective plate to prevent the waste from flying onto the conveyor belt behind, thereby improving the cleaning efficiency of the waste.

[0014] Preferably, a sliding groove 2 is provided on the installation frame, and the protective mechanism includes a motor 3 arranged in the installation frame, a screw 3 fixed on the output shaft of the motor 3, and a protective plate 2 vertically slidably arranged in the sliding groove 2, the screw 3 is rotatably arranged in the sliding groove 2, the screw 3 is threadedly inserted in the protective plate 2, and the protective plate 2 is located on the side of the brush strip close to the die-cutting machine.

[0015] By adopting the above technical scheme, a sliding groove 2 is opened on the installation frame, a motor 3 is arranged in the installation frame, a screw 3 is fixed on the output shaft of the motor 3, the screw 3 is rotatably arranged in the sliding groove 2, the screw 3 is threadedly inserted in the protective plate 2, the protective plate 2 is vertically slidably arranged in the sliding groove 2, the screw 3 is threadedly inserted in the protective plate 2, the protective plate 2 is located on the side of the brush bar close to the die-cutting machine, and in the process of the brush bar cleaning the waste, the driving motor 3 drives the screw 3 to rotate, so that the protective plate 2 is convenient to move downward, so that the protective plate 2 is located between the waste and the die-cutting machine to prevent the waste from flying into the die-cutting machine.

[0016] Preferably, a placement groove is provided on the inner side surface of the mounting frame, and an adjusting mechanism is provided on the mounting frame, and the adjusting mechanism includes a mounting seat arranged in the placement groove, a rotating column rotatably arranged in the mounting seat, a touch strip that can abut against the product, a touch switch arranged in the mounting seat and an abutment block that can abut against the touch switch, the touch strip is arranged on the rotating column, the touch strip is rotatably arranged in the mounting seat, the touch strip extends out of the mounting seat, the touch switch is electrically connected to the motor two, the touch switch is electrically connected to the motor three, and the abutment block is arranged on the rotating column, and the abutment block is rotatably arranged in the mounting seat.

[0017] By adopting the above technical scheme, a placement groove is opened on the inner side surface of the installation frame, the mounting seat is arranged in the placement groove, the rotating column is rotatably arranged in the mounting seat, the touch strip is arranged on the rotating column, the touch strip is rotatably arranged in the mounting seat, the touch switch is arranged in the mounting seat, the abutment block is arranged on the rotating column, the abutment block is rotatably arranged in the mounting seat, the touch switch is electrically connected to the motor 2, and the touch switch is electrically connected to the motor 3. In the process of conveying the product on the conveyor belt, the product touches the touch strip, the touch strip drives the rotating column to rotate, and the rotating column drives the abutment block to abut against the touch switch, and then the motor 2 drives the screw 2 to rotate and drive the protective plate to move down to prevent waste from flying onto the conveyor belt behind, and the motor 3 drives the screw 3 to rotate and drive the protective plate 2 to move down to prevent waste from flying into the die-cutting machine, so as to facilitate timely control of the sliding of the protective plate 1 and the protective plate 2, reduce the possibility of waste flying into the die-cutting machine and the conveyor belt, and further improve the waste recovery efficiency.

[0018] Preferably, a storage groove is opened on the inner top wall of the mounting seat, the rotating column is rotatably set in the storage groove, and the regulating mechanism includes a coil spring, the coil spring is set in the storage groove, one end of the coil spring is fixed to the inner wall of the storage groove, and the other end of the coil spring is fixed to the side of the rotating column.

[0019] By adopting the above technical solution, a storage groove is opened on the inner top wall of the mounting seat, the rotating column is rotatably set in the storage groove, the coil spring is set in the storage groove, one end of the coil spring is fixed to the inner wall of the storage groove, and the other end of the coil spring is fixed to the side of the rotating column. After cleaning the waste, the conveyor belt continues to convey the product. When the product is away from the contact strip, the contact strip returns to its original position under the action of the coil spring, so as to facilitate the cleaning of the next product.

[0020] Preferably, an electric fan is provided in the installation frame, the electric fan is located between the first protective plate and the second protective plate, and the electric fan is electrically connected to the touch switch.

[0021] By adopting the above technical solution, an electric fan is arranged in the installation frame, the electric fan is located between the protective plate 1 and the protective plate 2, the electric fan is electrically connected to the touch switch, and when the brush bar cleans the waste, the electric fan blows the waste to facilitate blowing the waste close to the collection bag.

[0022] In summary, the present application includes at least one of the following beneficial technical effects:

[0023] 1. A mounting frame is provided beside the die-cutting machine, a conveyor belt is provided in the mounting frame, a discharge hole is provided on the side of the mounting frame, a mounting frame is provided on the mounting frame, a discharge hole is provided on the side of the mounting frame, the discharge hole is connected with the discharge hole, one end of the collecting bag is sleeved on the mounting frame, the other end of the collecting bag is sleeved on the suction machine, the collecting bag is connected with the discharge hole, a brush bar is located above the conveyor belt, when it is necessary to clean the waste, a first driving assembly is used to drive the brush bar to slide, the brush bar brushes the waste to the vicinity of the discharge hole, drives the suction machine, and the suction machine sucks the waste into the collecting bag, which is convenient for recycling the waste and improves the recycling efficiency of the die-cutting machine waste;

[0024] 2. A sliding groove 1 is provided on the installation frame, a motor 2 is arranged in the installation frame, a screw 2 is fixed on the output shaft of the motor 2, the screw 2 is rotatably arranged in the sliding groove 1, a protective plate 1 is vertically slidably arranged in the sliding groove 1, the screw 2 is threadedly inserted in the protective plate 1, the protective plate 1 is located on the side of the brush bar away from the die-cutting machine, when the brush bar cleans the waste, the driving motor 2 drives the screw 2 to rotate, so that the protective plate is moved down, so that the protective plate is located between the waste and the die-cutting machine, and the waste is prevented from flying into the die-cutting machine;

[0025] 3. A placement groove is provided on the inner side surface of the installation frame, the mounting seat is arranged in the placement groove, the rotating column is rotatably arranged in the mounting seat, the touch strip is arranged on the rotating column, the touch strip is rotatably arranged in the mounting seat, the touch switch is arranged in the mounting seat, the abutment block is arranged on the rotating column, the abutment block is rotatably arranged in the mounting seat, the touch switch is electrically connected to the motor 2, and the touch switch is electrically connected to the motor 3. In the process of conveying the product on the conveyor belt, the product touches the touch strip, the touch strip drives the rotating column to rotate, and the rotating column drives the abutment block to abut against the touch switch, and then the motor 2 drives the screw 2 to rotate and drive the protective plate to move down to prevent waste from flying onto the conveyor belt behind, and the motor 3 drives the screw 3 to rotate and drive the protective plate 2 to move down to prevent waste from flying into the die-cutting machine, so as to facilitate timely control of the sliding of the protective plate 1 and the protective plate 2, reduce the possibility of waste flying into the die-cutting machine and the conveyor belt, and further improve the waste recovery efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the overall structure of the waste recovery device in the embodiment of the present application.

[0027] Figure 2 It is a cross-sectional view of the installation frame in the embodiment of the present application.

[0028] Figure 3 It is a cross-sectional view of the mounting seat in the embodiment of the present application.

[0029] Description of reference numerals:

[0030] 1. Bottom plate; 11. Support column; 2. Die-cutting machine; 3. Conveyor belt; 4. Mounting frame; 5. Recycling mechanism; 51. Mounting frame; 511. Perforation; 5111. Slide groove; 5112. Slide groove; 5113. Slide groove one; 5114. Slide groove two; 512. Discharge hole; 513. Electric fan; 52. Brush bar; 53. First drive assembly; 531. Screw rod one; 532. Mounting strip; 54. Second drive assembly; 541. Cylinder; 6. Protection mechanism; 61. Motor two; 62. Screw rod two; 63. Protection plate one; 64. Motor three; 65. Screw rod three; 66. Protection plate two; 7. Adjustment mechanism; 71. Mounting seat; 711. Storage slot; 72. Rotating column; 73. Touch strip; 74. Touch switch; 75. Abutment block; 76. Coil spring. DETAILED DESCRIPTION

[0031] The following is combined with Figure 1-3 This application is described in further detail.

[0032] The present application embodiment discloses a waste recycling device for a printing die-cutting machine 2, referring to Figure 1 As shown, the waste recycling device includes a base plate 1, a die-cutting machine 2, a conveyor belt 3, a mounting frame 4, a recycling mechanism 5, a protection mechanism 6 and a regulating mechanism 7. The base plate 1 is horizontally arranged, and the length direction of the base plate 1 is parallel to the ground.

[0033] Reference Figure 1 As shown, the die-cutting machine 2 is horizontally fixed on the top surface of the base plate 1, and a support column 11 is welded and fixed on the top surface of the base plate 1, and the length direction of the support column 11 is perpendicular to the ground. The mounting frame 4 is horizontally welded and fixed on the top surface of the support column 11, and the side of the mounting frame 4 close to the die-cutting machine 2 is in contact with the side of the die-cutting machine 2, and the length direction of the mounting frame 4 is the same as the length direction of the base plate 1. The conveyor belt 3 is horizontally arranged in the mounting plate, and the length direction of the conveyor belt 3 is the same as the length direction of the mounting plate.

[0034] Reference Figure 1 and Figure 2 As shown, the recovery mechanism 5 includes a mounting frame 51, a brush strip 52, a first drive assembly 53, a second drive assembly 54, an aspirator and a collection bag. A through hole 511 is provided on the side of the mounting frame 51, and the mounting frame 4 passes through the through hole 511. The mounting frame 51 is fixed on the mounting frame 4, and the mounting frame 51 is located in the middle position of the mounting frame 4.

[0035] Reference Figure 1 and Figure 2As shown, the vacuum machine is horizontally arranged on the base plate 1, a discharge hole 512 is opened on the side of the mounting frame 51, the discharge hole 512 is connected with the through hole 511, a discharge hole is opened on the side of the mounting frame 4, the discharge hole is connected with the discharge hole 512, one end of the collecting bag is sleeved on the mounting frame 51, and the other end of the collecting bag is sleeved on the vacuum machine, and the collecting bag is connected with the discharge hole 512.

[0036] Reference Figure 1 and Figure 2 As shown, a slide groove 5111 is provided on the top wall of the through hole 511, the length direction of the slide groove 5111 is parallel to the ground, the length direction of the slide groove 5111 is perpendicular to the length direction of the bottom plate 1, and a sliding groove 5112 is provided on the top wall of the slide groove 5111, and the length direction of the sliding groove 5112 is the same as the length direction of the slide groove 5111.

[0037] Reference Figure 1 and Figure 2 As shown, the first driving component 53 includes a motor 1, a screw 1 531 and a mounting strip 532. The motor 1 is fixed in the mounting frame 51. The screw 1 531 is welded and fixed on the output shaft of the motor 1. The screw 1 531 is rotatably set in the sliding groove 5112. The length direction of the screw 1 531 is the same as the length direction of the sliding groove 5112. The mounting strip 532 is threadedly sleeved on the screw 1 531. The mounting strip 532 is horizontally slidably set in the sliding groove 5112.

[0038] Reference Figure 1 and Figure 2 As shown, the second driving component 54 includes a cylinder 541, and the cylinder 541 is arranged in the mounting strip 532. The brush strip 52 is fixed on the output shaft of the cylinder 541. The brush strip 52 is located directly above the conveyor belt 3. When it is necessary to clean the waste, the first driving component 53 is used to drive the brush strip 52 to slide. The brush strip 52 brushes the waste to the vicinity of the discharge hole, drives the vacuum machine, and the vacuum machine sucks the waste into the collection bag, which is convenient for recycling the waste and improves the recycling efficiency of the waste of the die-cutting machine 2.

[0039] Reference Figure 1 and Figure 2 As shown, a sliding groove 1 5113 is opened on the top wall of the through hole 511, and a sliding groove 2 5114 is opened on the top wall of the through hole 511. The sliding groove 1 5113 and the sliding groove 2 5114 are symmetrical about the center line in the width direction of the top surface of the mounting frame 51. The protective mechanism 6 includes a motor 2 61, a screw 2 62, a protective plate 1 63, a motor 3 64, a screw 3 65 and a protective plate 2 66.

[0040] Reference Figure 1 and Figure 2As shown, motor 2 61 is arranged on the mounting frame 51, screw 2 62 is fixed on the output shaft of motor 2 61, the length direction of screw 2 62 is perpendicular to the ground, screw 2 62 is rotatably arranged in a sliding groove 1 5113, screw 2 62 is threadedly inserted in a protective plate 1 63, protective plate 1 63 is vertically slidably arranged in the sliding groove 1 5113, and protective plate 1 63 is located on the side of the brush strip 52 away from the die-cutting machine 2.

[0041] Reference Figure 1 and Figure 2 As shown, motor three 64 is arranged on the installation frame 51, screw three 65 is fixed on the output shaft of motor three 64, the length direction of screw three 65 is perpendicular to the ground, screw three 65 is rotatably arranged in sliding groove two 5114, screw three 65 is threadedly inserted in protective plate two 66, protective plate two 66 is vertically slidably arranged in sliding groove two 5114, and protective plate two 66 is located on the side of the brush strip 52 away from the die-cutting machine 2.

[0042] Reference Figure 1 and Figure 3 As shown, a placement groove is provided on the side wall of the through hole 511, and the regulating mechanism 7 includes a mounting seat 71, a rotating column 72, a contact strip 73, a touch switch 74, a contact block 75 and a coil spring 76. The mounting seat 71 is horizontally fixed in the placement groove, the rotating column 72 is rotatably set in the mounting seat 71, and the rotating column 72 is rotatably inserted in the mounting seat 71. A placement groove 711 is provided on the inner top wall of the mounting seat 71, the rotating column 72 is rotatably set in the placement groove 711, and the coil spring 76 is set in the placement groove 711. One end of the coil spring 76 is fixed to the inner wall of the placement groove 711, and the other end of the coil spring 76 is fixed to the side of the rotating column 72.

[0043] Reference Figure 1 and Figure 3 As shown, the touch switch 74 is arranged in the mounting seat 71, the abutment block 75 is arranged on the rotating column 72, the abutment block 75 is rotatably arranged in the mounting seat 71, the contact strip 73 is arranged on the rotating column 72, the contact strip 73 is rotatably arranged in the mounting seat 71, the touch switch 74 is electrically connected to the motor 2 61, and the touch switch 74 is electrically connected to the motor 3 64.

[0044] Reference Figure 1 and Figure 3 As shown, in the process of conveying products on the conveyor belt 3, the products touch the contact strip 73, the contact strip 73 drives the rotating column 72 to rotate, the rotating column 72 drives the abutment block 75 to abut against the touch switch 74, and then the motor 2 61 drives the screw 2 62 to rotate and drive the protective plate 1 63 to move downward to prevent waste from flying onto the conveyor belt 3 behind, the motor 3 64 drives the screw 3 65 to rotate and drive the protective plate 2 66 to move downward to prevent waste from flying into the die-cutting machine 2, so as to facilitate timely control of the sliding of the protective plate 1 63 and the protective plate 2 66, reduce the possibility of waste flying into the die-cutting machine 2 and the conveyor belt 3, and further improve the waste recovery efficiency.

[0045] Reference Figure 1 and Figure 2 As shown, an electric fan 513 is provided in the installation frame 51, and the electric fan 513 is located between the protective plate 1 63 and the protective plate 2 66. The electric fan 513 is electrically connected to the touch switch 74. When the brush bar 52 cleans the waste, the electric fan 513 blows the waste to facilitate blowing the waste close to the collection bag.

[0046] The implementation principle of the waste recycling device of a printing die-cutting machine 2 in the embodiment of the present application is as follows:

[0047] When it is necessary to clean the waste, a motor is used to drive the screw 531 to rotate, and the screw 531 drives the brush bar 52 to slide. The brush bar 52 brushes the waste to the vicinity of the discharge hole, drives the vacuum machine, and the vacuum machine sucks the waste into the collection bag, which is convenient for recycling the waste and improves the recycling efficiency of the waste of the die-cutting machine 2.

[0048] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A waste recycling device for a printing die-cutting machine, comprising a die-cutting machine (2) for die-cutting a product and a conveyor belt (3) for conveying the product, characterized in that: A mounting frame (4) is arranged beside the die-cutting machine (2), the conveyor belt (3) is arranged in the mounting frame (4), a recovery mechanism (5) is arranged on the mounting frame (4), the recovery mechanism (5) comprises a mounting frame (51) arranged on the mounting frame (4), a brush bar (52) for cleaning waste, a first driving component (53) for driving the brush bar (52) to slide, a collection bag for collecting waste and an air suction machine for suction, the brush bar (52) The brush strip (52) is slidably arranged in the installation frame (51), and is located above the conveyor belt (3). A discharge hole (512) is provided on the side of the installation frame (51), and a discharge hole is provided on the side of the installation frame (4), and the discharge hole is connected to the discharge hole (512). One end of the collection bag is sleeved on the installation frame (51), and the other end of the collection bag is sleeved on the suction machine, and the collection bag is connected to the discharge hole (512).

2. The waste recycling device for a printing and die-cutting machine according to claim 1, characterized in that: A sliding groove (5112) is provided in the installation frame (51), and the first driving component (53) comprises a motor 1 arranged in the installation frame (51), a screw rod 1 (531) fixed on the output shaft of the motor 1, and a mounting strip (532) threadedly sleeved on the screw rod 1 (531), the screw rod 1 (531) is rotatably arranged in the sliding groove (5112), the mounting strip (532) is slidably arranged in the sliding groove (5112), and the brush strip (52) is vertically slidably arranged on the mounting strip (532).

3. The waste recycling device for a printing and die-cutting machine according to claim 2, characterized in that: The recovery mechanism (5) comprises a second drive assembly (54), the second drive assembly (54) comprises a cylinder (541) arranged in the mounting strip (532), the brush strip (52) is arranged on the output shaft of the cylinder (541), and the brush strip (52) is located directly above the conveyor belt (3).

4. The waste recycling device for a printing and die-cutting machine according to claim 1, characterized in that: The installation frame (51) is provided with a sliding groove (5113), and the installation frame (51) is provided with a protective mechanism (6), the protective mechanism (6) comprises a motor (61) arranged in the installation frame (51), a screw (62) fixed on the output shaft of the motor (61), and a protective plate (63) vertically slidably arranged in the sliding groove (5113), the screw (62) is rotatably arranged in the sliding groove (5113), the screw (62) is threadedly inserted in the protective plate (63), and the protective plate (63) is located on the side of the brush strip (52) away from the die-cutting machine (2).

5. The waste recycling device for a printing and die-cutting machine according to claim 4, characterized in that: The installation frame (51) is provided with a sliding groove 2 (5114), and the protective mechanism (6) comprises a motor 3 (64) arranged in the installation frame (51), a screw 3 (65) fixed on the output shaft of the motor 3 (64), and a protective plate 2 (66) vertically slidably arranged in the sliding groove 2 (5114), the screw 3 (65) is rotatably arranged in the sliding groove 2 (5114), the screw 3 (65) is threadedly inserted in the protective plate 2 (66), and the protective plate 2 (66) is located on the side of the brush strip (52) close to the die-cutting machine (2).

6. The waste recycling device for a printing and die-cutting machine according to claim 5, characterized in that: The inner side surface of the installation frame (51) is provided with a placement groove, and the installation frame (51) is provided with a regulating mechanism (7), the regulating mechanism (7) comprising a mounting seat (71) arranged in the placement groove, a rotating column (72) rotatably arranged in the mounting seat (71), a contact strip (73) capable of abutting against the product, a touch switch (74) arranged in the mounting seat (71) and an abutting block (75) capable of abutting against the touch switch (74), the The contact strip (73) is arranged on the rotating column (72), the contact strip (73) is rotatably arranged in the mounting seat (71), the contact strip (73) extends out of the mounting seat (71), the touch switch (74) is electrically connected to the second motor (61), the touch switch (74) is electrically connected to the third motor (64), and the abutment block (75) is arranged on the rotating column (72), and the abutment block (75) is rotatably arranged in the mounting seat (71).

7. The waste recycling device for a printing and die-cutting machine according to claim 6, characterized in that: A storage groove (711) is provided on the inner top wall of the mounting seat (71), and the rotating column (72) is rotatably arranged in the storage groove (711). The regulating mechanism (7) comprises a coil spring (76), and the coil spring (76) is arranged in the storage groove (711). One end of the coil spring (76) is fixed to the inner wall of the storage groove (711), and the other end of the coil spring (76) is fixed to the side surface of the rotating column (72).

8. The waste recycling device for a printing and die-cutting machine according to claim 6, characterized in that: An electric fan (513) is arranged in the installation frame (51), and the electric fan (513) is located between the first protective plate (63) and the second protective plate (66). The electric fan (513) is electrically connected to the touch switch (74).

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