Die cutting conveying and removing device

Abstract

The utility model discloses a die-cutting conveying and removing device which comprises a machine frame placed above a first die-cutting conveying belt, and an input section, a removing section and an output section are sequentially arranged on the conveying face of the machine frame in the conveying direction. A separation device is arranged on the rack, and the separation device is located above the input section, the rejection section and the output section; a driving mechanism is arranged on the rack, the driving mechanism drives the removing section to rotate, so that a removing opening is formed between the removing section and the output section, and the removing opening is formed above the first die-cutting conveying belt; a sliding module fixed on the separating device is arranged above the removing section, and an air injection device facing the removing section is arranged on the sliding module; the output end of the first die-cutting conveying belt is connected with a stacking groove. According to the die cutting device, unqualified materials generated during die cutting can be removed, and the qualified materials can be conveyed in different ways.

Description

Technical Field

[0001] The utility model belongs to the field of material conveying, in particular to a die-cutting conveying and rejecting device applied to a die-cutting machine. Background Art

[0002] After the die-cutting machine completes cutting, the transmission and processing of materials on the conveyor belt is a very critical link. The existing die-cutting machine includes a cutting mechanism and a first die-cutting conveyor belt arranged at the outlet of the cutting mechanism, but the existing first die-cutting conveyor belt does not have the function of lane transmission and rejection. For example, the Chinese invention patent with the authorization announcement number CN115139368B discloses a laminating die-cutting device for flexible materials and its die-cutting method, including a feed conveyor belt, a feed processing part arranged at the end position of the feed conveyor belt, a die-cutting part arranged behind the feed processing part, a discharge conveyor belt arranged behind the die-cutting part, and a discharge processing part arranged at the front end position of the discharge conveyor belt, the feed processing part includes front side guards arranged on both sides of the feed conveyor belt, a feed camera group installed on the front side guard for collecting image data at the edge of the feed conveyor belt, a servo motor installed on the front side guard, and a side cutter driven by the servo motor and moving vertically along the travel direction of the feed conveyor belt. After the die-cutting equipment completes die-cutting, the discharge conveyor belt cannot remove unqualified materials generated during die-cutting, and does not have the effect of transmitting qualified materials that have not been removed in separate lanes. Utility Model Content

[0003] The purpose of the utility model is to provide a die-cutting conveying and rejecting device, which can reject unqualified materials produced during die-cutting and realize the separate transmission of qualified materials.

[0004] The technical solution of the utility model is as follows: a die-cutting conveying and rejecting device comprises a frame placed above a first die-cutting conveyor belt, an input section, a rejecting section and an output section are sequentially arranged on the conveying surface of the frame along the conveying direction; a lane dividing device is arranged on the frame, and the lane dividing device is located above the input section, the rejecting section and the output section; a driving mechanism is arranged on the frame, and the driving mechanism drives the rejecting section to rotate so that a rejecting opening is formed between the rejecting section and the output section, and the rejecting opening is arranged above the first die-cutting conveyor belt; a sliding module fixed on the lane dividing device is provided above the rejecting section, and the sliding module is provided with an air jet device toward the rejecting section; the output end of the first die-cutting conveyor belt is connected with a stacking trough.

[0005] In the aforementioned die-cutting, conveying and rejecting device, the input section includes a group of input rollers, both ends of the input rollers are rotatably matched with the frame via bearings, a plurality of first ring grooves are provided on the input rollers, and a conveyor belt embedded in the first ring grooves is connected between the input rollers; the rejecting section includes a rejecting roller and a rotating roller, both ends of the rotating roller are rotatably matched with the frame via bearings, a plurality of second ring grooves are provided on the rotating roller and the rejecting roller, and a conveyor belt embedded in the second ring grooves is connected between the rotating roller and the rejecting roller; a right-angled connecting plate is connected between the rotating roller and the rejecting roller, and one right-angled end of the connecting plate is connected to the driving mechanism; the output section includes an output roller, both ends of the output roller are rotatably matched with the frame via bearings, a plurality of third ring grooves are provided on the output roller, and a conveyor belt embedded in the third ring groove is connected between the output rollers.

[0006] In the aforementioned die-cutting conveying and rejection device, the lane dividing device includes a lifting mechanism arranged on both sides of the front and rear ends of the frame, a first slide bar is arranged between the lifting structures, and multiple first sliders are slidingly arranged on the first slide bar; the first slider on the same side is provided with a fixed bar, and a lane dividing baffle is provided below the fixed bar; the lane dividing baffle divides the conveying surface into multiple transmission channels; a stacking baffle is extended from the rear end of the lane dividing baffle, and a stacking groove is formed between the stacking baffles.

[0007] In the aforementioned die-cutting, conveying and rejecting device, a sliding groove is provided in the middle of the front end of the branch baffle, and a limit rod fixed on both sides of the frame is passed through the sliding groove; the branch baffle is provided with multiple grooves that respectively match the input roller, rotating roller, rejecting roller and output roller.

[0008] In the aforementioned die-cutting, conveying and rejecting device, the lifting mechanism includes a cylinder fixing plate arranged on both sides of the frame, a first cylinder is fixed on the cylinder fixing plate, the upper end of the output shaft of the first cylinder is connected to a first fixed block, and the two ends of the first slide rod are fixed on the first fixed block.

[0009] In the aforementioned die-cutting, conveying and rejecting device, the output end of the frame is connected to the die-cutting second conveyor belt, and the input end of the die-cutting second conveyor belt is located below the stacking baffle.

[0010] In the aforementioned die-cutting, conveying and rejecting device, the input section is provided with a pulley rod that rolls on both sides of the frame, the fixed bar is provided with multiple sets of pulley fixing plates, the upper end of the pulley fixing plate is provided with a set of slide grooves, and the pulley fixing plate is bolted to the fixed bar through the slide grooves; the pulley fixing plate is provided with multiple pulleys, and an auxiliary conveyor belt is provided between the pulley and the pulley rod.

[0011] In the aforementioned die-cutting, conveying and rejecting device, the sliding module includes a second fixed block fixed on the fixed bar, a second sliding rod is fixed on the second fixed block, and the second sliding rod is provided with a plurality of second sliders located above the transmission channel, and the jet device is fixed at the lower end of the second slider.

[0012] In the aforementioned die-cutting conveying and rejecting device, a fixed plate is provided between the two sides of the front end of the frame, one side of the stacking trough is close to the end of the die-cutting first conveyor belt, and the other side of the stacking trough is fixedly connected to the fixed plate.

[0013] In the aforementioned die-cutting conveying and rejection device, a pneumatic baffle that moves along the conveying direction is provided below the tail end of the output section. The pneumatic baffle includes a second cylinder fixed on one side of the fixed plate, and a push plate is provided on the output shaft of the second cylinder. The upper end of the push plate is provided with multiple notches.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] 1. This utility model utilizes an air jet device on the sliding module, directed toward the rejection section, to precisely reject non-compliant materials based on actual conditions. The rejected unqualified materials are then transferred to a stacking trough via the die-cutting first conveyor belt, while qualified materials that have not been rejected are transported separately. Furthermore, the second slider is movable on the second slide rod, allowing the position of the air jet device to be adjusted as needed.

[0016] 2. The utility model provides multiple grooves on the lane baffle that mate with the input roller, rotating roller, reject roller, and output roller, allowing the lower end of the lane baffle to be lower than the conveying surface, thereby preventing material from shifting during conveyance. The utility model also uses a lifting mechanism to elevate the lane baffle, and pushes the pneumatic baffle outward under the action of a second cylinder, thereby adjusting the position of the conveyor belt. This prevents interference from occurring during adjustment of the lane dividing device, facilitating rapid adjustment of the lane width based on actual production needs by adjusting the spacing between the lane baffles. The utility model utilizes stacking grooves formed between stacking baffles extending from the rear end of the lane baffle, as well as the provision of a die-cut second conveyor belt, to allow qualified materials that have not been rejected to be stacked and conveyed in an orderly and neat manner.

[0017] 3. The utility model can better position the material through the auxiliary conveyor belt provided between the pulley and the pulley rod, ensure that the material is transmitted according to the predetermined path and position, and can help guide the material smoothly to the rejection point, ensuring the accuracy and effectiveness of the rejection action.

[0018] 4. The utility model realizes the transmission of unqualified materials rejected by the jet device through the die-cutting first conveyor belt and stacking trough provided under the frame; the utility model also has multiple sets of feet placed on the die-cutting first conveyor belt on both sides of the frame, which helps to improve the stability of the entire rejection transmission mechanism during operation, reduce vibration and shaking, and can flexibly adjust the use of the transmission mechanism, so that the utility model can be applied to different die-cutting machines.

[0019] 5. The utility model sets a notch on the pneumatic baffle to limit the output conveyor belt in the third ring groove, which can effectively prevent the material from being rolled under the conveying surface. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is the main view of the utility model;

[0021] Figure 2 It is a front side view of the utility model;

[0022] Figure 3 It is a partial view A of the utility model;

[0023] Figure 4 It is a bottom view of the utility model;

[0024] Figure 5 This is a partial view of the sliding module of the present utility model;

[0025] Figure 6 This is a view of the driving mechanism of the present utility model.

[0026] The symbols in the accompanying drawings are: 1, frame; 2, input section; 201, input roller; 202, first ring groove; 3, rejection section; 301, rejection roller; 302, second ring groove; 303, rotating roller; 304, connecting plate; 305, cylinder shaft; 4, output section; 401, output roller; 402, third ring groove; 5, die-cutting first conveyor belt; 6, die-cutting second conveyor belt; 7, lane dividing device; 701, lane dividing baffle; 702, transmission channel; 703, first slide bar; 704, first slide block; 705, fixing bar; 706, sliding groove; 7 07. Limit rod; 708. Groove; 709. Stacking baffle; 710. Cylinder fixing plate; 711. First cylinder; 712. First fixing block; 8. Foot; 9. Sliding module; 901. Jet device; 902. Second fixing block; 903. Second slide rod; 904. Second slide block; 10. Pneumatic baffle; 1001. Second cylinder; 1002. Push plate; 1003. Notch; 11. Stacking trough; 12. Pulley rod; 18. Pulley fixing plate; 19. Pulley; 20. Slide; 21. Auxiliary conveyor belt; 22. Fixing plate. DETAILED DESCRIPTION

[0027] The present invention will be further described below with reference to the accompanying drawings and embodiments, but they are not intended to limit the present invention.

[0028] Embodiment: A die-cutting conveying and rejecting device is applied to the output end of a die-cutting machine. The die-cutting machine is a device widely used in the packaging, printing, shoemaking, automobile, electronics and other industries for cutting flexible materials into specific shapes. The existing die-cutting machine includes a cutting mechanism and a die-cutting first conveyor belt 5 provided at the outlet of the cutting mechanism. However, the existing die-cutting first conveyor belt 5 does not have the function of sorting and rejecting the cut flexible materials. The utility model can be installed above the existing die-cutting first conveyor belt 5 to realize the transmission of the cut flexible materials and the rejection of defective products. Specifically, the die-cutting conveying and rejecting device is composed as follows: Figure 1-6 As shown, it includes a frame 1 placed above the die-cutting first conveyor belt 5, and a conveying surface is provided on the frame 1. The conveying surface is divided into an input section 2, a rejection section 3 and an output section 4 along the conveying direction; the end of the output section 4 is connected to the die-cutting second conveyor belt 6. Figure 1 As shown, the conveying surface is parallel to and in the same direction as the die-cutting first conveyor belt 5 and the die-cutting second conveyor belt 6. When in use, the flexible material cutting mechanism needs to be raised a certain distance by its own lifting mechanism so that the outlet end of the flexible material cutting mechanism is kept level with the input section 2, so that the flexible material processed by the flexible material cutting mechanism can smoothly enter the input section 2.

[0029] like Figure 2 As shown, multiple groups of feet 8 placed on the first die-cutting conveyor belt 5 are provided on both sides of the frame 1. The feet 8 can be placed above the conveyor belts of different die-cutting machines, which helps to improve the stability of the entire rejection transmission mechanism during operation. It can reduce vibration and shaking during operation, and facilitate flexible adjustment of the position of the transmission mechanism according to actual needs, so that this device can be applied to different die-cutting machines. The input section 2 includes a group of input rollers 201, both ends of the input rollers 201 are rotatably matched with the frame 1 through bearings, a plurality of first annular grooves 202 are provided on the input rollers 201, and an input conveyor belt embedded in the first annular grooves 202 is connected between the input rollers 201; the rejection section 3 includes a rejection roller 301 and a rotating roller 303, both ends of the rotating roller 303 are rotatably matched with the frame 1 through bearings, a plurality of second annular grooves 302 are provided on the rotating roller 303 and the rejection roller 301, and a conveyor belt embedded in the second annular groove 302 is connected between the rotating roller 303 and the rejection roller 301, and a right-angled connecting plate 304 is connected between the rotating roller 303 and the rejection roller 301, wherein the rotating roller 303 is located at the right-angle end of the connecting plate 304, and the rejection roller 301 is located at the outer end of one of the right-angle sides of the connecting plate 304, and the outer end of the other right-angle side of the connecting plate 304 is connected to the driving device arranged on the frame 1; in this embodiment, the driving mechanism is a cylinder shaft 305, such as Figure 6As shown, the cylinder shaft 305 drives the reject section 3 to rotate, forming a reject opening between it and the output section 4. This reject opening is located above the first die-cutting conveyor belt 5. The reject section 3 is a key area for screening and rejecting unqualified materials. The output section 4 includes output rollers 401, each end of which rotates with the frame 1 via bearings. The output rollers 401 are provided with multiple third annular grooves 402. The output conveyor belt, embedded in these third annular grooves 402, connects between the output rollers 401.

[0030] The frame 1 is provided with a lane dividing device 7, which is located above the input section 2, the rejection section 3, and the output section 4. The lane dividing device 7 includes a lifting mechanism arranged on both sides of the front and rear ends of the frame 1. A first slide bar 703 is provided between the lifting mechanisms, and three first sliders 704 are slidably mounted on the first slide bar 703. The first sliders 704 on the same side are provided with a fixing bar 705, and a lane dividing baffle 701 is provided below the fixing bar 705. The lane dividing baffle 701 divides the conveying surface into two transmission channels 702. A stacking baffle 709 extends from the rear end of the lane dividing baffle 701, forming a stacking groove between the stacking baffles 709. The input end of the die-cutting second conveyor belt 6 is located below the stacking baffle 709, facilitating the orderly stacking and transmission of qualified materials that have not been rejected. A sliding groove 706 is provided in the middle of the front end of the lane dividing baffle 701, and a limit rod 707 fixed to both sides of the frame 1 is inserted into the sliding groove 706. The lane baffles 701 are provided with six grooves 708 that respectively mate with the input roller 201, the rotating roller 303, the reject roller 301, and the output roller 401. The jet device lifting mechanism includes a set of cylinder fixing plates 710 disposed on both sides of the frame 1. A first cylinder 711 is fixed to the cylinder fixing plates 710. The upper end of the output shaft of the first cylinder 711 is connected to a first fixing block 712. Both ends of the jet device's first slide bar 703 are fixed to the first fixing block 712. The lane device 7 is raised and lowered by the lifting mechanism. When adjusting the spacing between the lane baffles 701, the lane baffles 701 are raised, facilitating conveyor belt adjustment. This prevents interference with the input, reject, and output conveyor belts on the conveyor surface, allowing the lane width to be quickly adjusted according to actual production needs.

[0031] A sliding module 9 fixed on the lane dividing device 7 is provided above the rejection section 3. The sliding module 9 is provided with a jet device 901 perpendicular to the conveying surface, and the jet device 901 adopts pneumatically controlled air blowing. The sliding module 9 includes a second fixed block 902 fixed on the fixed bar 705, and a second slide bar 903 is fixed on the second fixed block 902. The second slide bar 903 is provided with two second sliders 904 located above the transmission channel 702, and the jet device 901 is fixed to the lower end of the second slider 904. Since the second slider 904 can move on the second slide bar 903, the position of the jet device 901 can be flexibly adjusted as needed. Through the jet device 901 perpendicular to the conveying surface provided on the sliding module 9, this mechanism can eliminate materials that do not meet the requirements according to actual conditions, and after elimination, it is transferred to the stacking trough 11 through the die-cutting first conveyor belt 5.

[0032] A semi-open stacking trough 11 is provided at the end of the die-cutting first conveyor belt 5. The rejected materials will be transferred to the stacking trough 11 through the die-cutting first conveyor belt 5 after being rejected. A fixed plate 22 is provided between the two sides of the front end of the frame 1. The left side of the stacking trough 11 is close to the end of the die-cutting first conveyor belt 5, the right side of the stacking trough 11 is fixedly connected to the fixed plate 22, and the other side of the stacking trough 11 is fixedly connected to the frame 1. Figure 4 As shown, a pneumatic baffle 10 that moves along the conveying direction is provided below the tail end of the output section 4. The pneumatic baffle 10 includes a second cylinder 1001 fixed to one side of the fixed plate 22. A push plate 1002 is provided on the output shaft of the second cylinder 1001. The upper end of the push plate 1002 is provided with a plurality of notches 1003 corresponding to the third annular groove 402. The notches 1003 on the pneumatic baffle 10 limit the output conveyor belt in the third annular groove 402, and can effectively prevent the material from being rolled under the conveying surface. When adjusting the distance between the lane baffles 701, it is necessary to move the pneumatic baffle 10, and then adjust the position of the lane baffle 701 after adjusting the output conveyor belt in the third annular groove 402.

[0033] The input section 2 is equipped with pulley rods 12 that roll onto both sides of the frame 1. A plurality of pulley fixing plates 18 are mounted on the fixing bar 705. A set of chutes 20 are located at the upper ends of the pulley fixing plates 18. These chutes 20 are bolted to the fixing bar 705. Three pulleys 19 are mounted on the pulley fixing plates 18. An auxiliary conveyor belt 21 is installed between the pulleys 19 and the pulley rods 12. The auxiliary conveyor belt 21 helps better position the material, ensuring that it is transported along the intended path and position. It also helps guide the material smoothly to the rejection point, ensuring the accuracy and effectiveness of the rejection process.

[0034] This device utilizes an air jet device 901 on the sliding module 9, which is directed toward the rejection section 3, to precisely reject non-compliant materials based on actual conditions. The rejected unqualified materials are then transferred to a stacking trough via the die-cutting first conveyor belt, while the qualified materials that have not been rejected are transported separately. Furthermore, a second slide 904 is movable on a second slide bar 903, allowing the position of the air jet device 901 to be adjusted as needed. This device, through the multiple grooves 708 provided on the lane baffle 701 that mate with the input roller 201, the rotating roller 303, the reject roller 301, and the output roller 401, can position the lower end of the lane baffle 701 below the conveying surface, thereby preventing material from shifting during the conveying process. This device also uses a lifting mechanism to lift the lane baffle 701 and push the pneumatic baffle 10 outward under the action of the second cylinder 1001, thereby adjusting the position of the conveyor belt. This prevents interference from occurring during adjustment of the lane dividing device 7, facilitating rapid adjustment of the lane width according to actual production requirements by adjusting the spacing between the lane baffles 701. This device, through the auxiliary conveyor belt 21 provided between the pulley 19 and the pulley rod 12, can better position the material, ensuring that the material is transported along the predetermined path and position, and can help guide the material smoothly to the reject point, ensuring the accuracy and effectiveness of the reject action. This device uses a die-cutting first conveyor belt 5 and a stacking trough 11 located below the frame 1 to transport materials rejected by the jet device 901. This device also utilizes multiple sets of feet 8 located on both sides of the frame 1, which rest on the die-cutting first conveyor belt 5. This footrest 8 allows the device to be installed above the existing die-cutting first conveyor belt 5, thereby improving the stability of the entire rejection conveyor mechanism during operation, reducing vibration and shaking, and allowing for flexible adjustment of the conveyor mechanism. The device also utilizes notches 1003 on the pneumatic baffle 10 to limit the output conveyor belt within the third annular groove 402, effectively preventing material from being drawn under the conveying surface.

[0035] Working process

[0036] The material first enters the input section 2 and is transported on the input conveyor belt. At this time, the dividing baffle 701 in the dividing device 7 divides the conveying surface into two transmission channels 702. The auxiliary conveyor belt 21 can better position the material through the cooperation of the pulley 19 on the pulley fixing plate 18 and the pulley rod 12, ensuring that the material is transported to the rejection section 3 along the predetermined path. When the material reaches the rejection section 3, a sliding module 9 is provided above the rejection section 3. The jet device 901 on the sliding module 9 can perform a rejection operation on the non-compliant material perpendicular to the conveying surface. The rejected material will be transported to the stacking trough 11 through the die-cut first conveyor belt 5. After rejection, the qualified material enters the output section 4. The notch 1003 at the upper end of the push plate 1002 of the pneumatic baffle 10 limits the output conveyor belt in the third annular groove 402, preventing the material from being rolled under the conveying surface, so that the material can fall into the stacking trough better.

[0037] When the spacing between lane baffles 701 needs to be adjusted, the pneumatic baffle 10 is pushed out. The first cylinder 711, via the first fixed block 712 connected to the upper end of its output shaft, drives the first slide bar 703 upward, thereby lifting the lane baffles 701. The position of the lane baffles 701 is then adjusted after the conveyor belt is adjusted to ensure that there is no interference between the conveyor belt and the lane baffles 701 throughout the entire conveyor mechanism. This allows the width of the conveyor channel 702 to be quickly adjusted according to actual production needs while adjusting the spacing between the lane baffles 701.

[0038] In summary, the utility model can remove unqualified materials produced during die-cutting and realize the separate transmission of qualified materials.

Claims

1. A die-cutting conveying and rejecting device, comprising a frame (1) placed above a first die-cutting conveyor belt (5), wherein an input section (2), a rejecting section (3) and an output section (4) are sequentially provided on a conveying surface of the frame (1) along a conveying direction; a lane dividing device (7) is provided on the frame (1), and the lane dividing device (7) is located above the input section (2), the rejecting section (3) and the output section (4); and characterized in that: The frame (1) is provided with a driving mechanism, which drives the rejection section (3) to rotate so as to form a rejection opening between the rejection section (3) and the output section (4), and the rejection opening is provided above the first die-cutting conveyor belt (5); a sliding module (9) fixed on the lane dividing device (7) is provided above the rejection section (3), and an air jet device (901) directed toward the rejection section (3) is provided on the sliding module (9); and a stacking trough (11) is connected to the output end of the first die-cutting conveyor belt (5).

2. The die-cutting conveying and rejecting device according to claim 1, characterized in that: The input section (2) comprises a group of input rollers (201), both ends of the input rollers (201) are rotatably matched with the frame (1) via bearings, a plurality of first annular grooves (202) are provided on the input rollers (201), and a conveyor belt embedded in the first annular grooves (202) is connected between the input rollers (201); the rejecting section (3) comprises a rejecting roller (301) and a rotating roller (303), both ends of the rotating roller (303) are rotatably matched with the frame (1) via bearings, a plurality of second annular grooves (302) are provided on the rotating roller (303) and the rejecting roller (301), and the rotating roller (301) is connected to the first annular grooves (202). 3) and a rejecting roller (301) are connected with a conveyor belt embedded in the second annular groove (302); a right-angled connecting plate (304) is connected between the rotating roller (303) and the rejecting roller (301), and one right-angled end of the connecting plate (304) is connected to the driving mechanism; the output section (4) includes an output roller (401), both ends of the output roller (401) are rotatably matched with the frame (1) through bearings, the output roller (401) is provided with a plurality of third annular grooves (402), and a conveyor belt embedded in the third annular grooves (402) is connected between the output rollers (401).

3. The die-cutting conveying and rejecting device according to claim 2, characterized in that: The lane dividing device (7) comprises a lifting mechanism arranged on both sides of the front and rear ends of the frame (1); a first slide bar (703) is arranged between the lifting structures; a plurality of first sliders (704) are slidably arranged on the first slide bar (703); a fixing bar (705) is arranged on the first sliders (704) on the same side; a lane dividing baffle (701) is arranged below the fixing bar (705); the lane dividing baffle (701) divides the conveying surface into a plurality of transmission channels (702); a stacking baffle (709) is extended from the rear end of the lane dividing baffle (701), and a stacking groove is formed between the stacking baffles (709).

4. The die-cutting conveying and rejecting device according to claim 3, characterized in that: A sliding groove (706) is provided in the middle of the front end of the lane baffle (701), and a limiting rod (707) fixed on both sides of the frame (1) is inserted into the sliding groove (706); the lane baffle (701) is provided with a plurality of grooves (708) respectively matching with the input roller (201), the rotating roller (303), the rejecting roller (301) and the output roller (401).

5. The die-cutting conveying and rejecting device according to claim 3, characterized in that: The lifting mechanism comprises a cylinder fixing plate (710) arranged on both sides of the frame (1), a first cylinder (711) is fixed on the cylinder fixing plate (710), the upper end of the output shaft of the first cylinder (711) is connected to a first fixing block (712), and both ends of the first sliding rod (703) are fixed on the first fixing block (712).

6. The die-cutting conveying and rejecting device according to claim 3, characterized in that: The output end of the frame (1) is connected to a die-cutting second conveyor belt (6), and the input end of the die-cutting second conveyor belt (6) is located below the stacking baffle (709).

7. The die-cutting conveying and rejecting device according to claim 3, characterized in that: The input section (2) is provided with a pulley rod (12) that is rolling-fitted on both sides of the frame (1); the fixing bar (705) is provided with a plurality of pulley fixing plates (18); the upper end of the pulley fixing plate (18) is provided with a group of sliding grooves (20); the pulley fixing plate (18) is bolted to the fixing bar (705) via the sliding grooves (20); the pulley fixing plate (18) is provided with a plurality of pulleys (19); an auxiliary conveyor belt (21) is provided between the pulleys (19) and the pulley rod (12).

8. The die-cutting conveying and rejecting device according to claim 3, characterized in that: The sliding module (9) includes a second fixed block (902) fixed on a fixed bar (705), a second sliding rod (903) fixed on the second fixed block (902), a plurality of second sliding blocks (904) located above the transmission channel (702) are provided on the second sliding rod (903), and the jet device (901) is fixed at the lower end of the second sliding block (904).

9. The die-cutting conveying and rejecting device according to claim 1, characterized in that: A fixed plate (22) is provided between the two sides of the front end of the frame (1); one side of the stacking trough (11) is in close contact with the end of the die-cutting first conveyor belt (5); and the other side of the stacking trough (11) is fixedly connected to the fixed plate (22).

10. The die-cutting conveying and rejecting device according to claim 6, characterized in that: A pneumatic baffle (10) is provided below the tail end of the output section (4) and moves along the conveying direction. The pneumatic baffle (10) includes a second cylinder (1001) fixed to one side of the fixed plate (22). A push plate (1002) is provided on the output shaft of the second cylinder (1001). A plurality of notches (1003) are provided on the upper end of the push plate (1002).

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