Waste-cleaning die-cutting machine

Abstract

The utility model discloses a waste-cleaning die-cutting machine which comprises a raw material lifting platform, a waste-cleaning die-cutting machine body and a waste-cleaning die-cutting machine body. The finished product lifting platform is used for storing finished product plates; the creasing main machine is used for processing the raw material plate to form a semi-finished plate; the waste removing unit is provided with a waste discharging table top, a waste discharging pressing strip and a waste discharging suction cup frame, and waste separation is achieved by pressing a waste area and adsorbing and lifting a finished product plate; the feeding unit conveys a raw material plate between the raw material lifting table and the creasing main machine; and the discharging unit is used for conveying semi-finished plates between the creasing main machine and the waste cleaning unit. Automatic separation of waste materials and finished products is achieved through the automatic waste cleaning structure, and traditional waste cleaning auxiliary equipment is omitted; the waste discharge sucker frame is provided with a rotary leveling cylinder to ensure the adsorption precision and improve the yield; the waste discharge table board adopts a rotary opening structure to realize automatic falling of waste materials, so that the shutdown waste cleaning frequency is reduced; a bilateral lifting guide rod and chain wheel structure guarantees stable conveying of the material plate, and diversified production requirements are met.

Description

TECHNICAL FIELD

[0001] The utility model relates to a die -cutting machine technical field, concretely relates to a waste removing die -cutting machine. BACKGROUND

[0002] As the core equipment of packaging and printing industry, the waste removing process of die -cutting machine directly influences production efficiency and cost control. The traditional die -cutting machine relies on manual removal of waste, needs to stop frequently to clean up the accumulated waste, which leads to low production efficiency and high labor cost. For large size material plate, the length of waste can reach more than 1 meter, and manual sorting can easily cause edge burr residue, and the yield is only about 95%.

[0003] Although the existing full waste removing die -cutting machine can realize automation, it needs to be matched with waste removing needle, comb tooth structure and paper shredder fan and other auxiliary equipment, and the equipment cost is 5-20 times of the traditional die -cutting machine. Its waste removing plate design is complex, time -consuming and easy to cause paper jam failure, so it is difficult to adapt to small batch order demand. UTILITY MODEL CONTENT

[0004] In order to realize automatic removal of waste after indentation of die -cutting machine, the utility model provides a waste removing die -cutting machine.

[0005] The technical scheme adopted by the utility model is as follows: a waste removing die -cutting machine, comprising: a raw material lifting platform for storing raw material plate; a finished product lifting platform for storing finished product plate; an indentation main machine for pressing or cutting raw material plate to form semi -finished product plate; a waste removing unit for removing the waste area of the edge of semi -finished product plate to form finished product plate, and conveying the finished product plate to the finished product lifting platform; a feeding unit arranged between the raw material lifting platform and the indentation main machine for conveying the raw material plate from the raw material lifting platform to the indentation station of the indentation main machine; a discharging unit arranged between the indentation main machine and the waste removing unit for conveying the semi -finished product plate from the indentation station of the indentation main machine to the waste removing unit; the waste removing unit comprises a waste removing platform, a waste removing pressing strip and a waste removing suction plate rack, the waste removing platform is used for placing semi -finished product plate, the waste removing pressing strip is pressed in the waste area of the edge of the semi -finished product plate, and the waste removing suction plate rack is uniformly provided with a plurality of suction plates for adsorbing and lifting the finished product plate in the middle of the semi -finished product plate.

[0006] Preferably, the raw material lifting platform comprises: a raw material platform, which is a storage platform for raw material plate; a first lifting guide rod, which is assembled with the raw material platform and serves as a lifting guide for the raw material platform; a first chain wheel and a first lifting chain, one end of the first lifting chain is connected with the raw material platform, and the other end is upwardly wound around the first chain wheel and then presents a free end; and a first motor, which is in transmission connection with the first chain wheel.

[0007] Preferably, one first lifting guide rod, two groups of first chain wheels and first lifting chains are arranged on the left and right sides of the raw material platform.

[0008] Preferably, the finished product lifting platform comprises: a material platform, which is a storage platform for material plates; a second lifting guide rod, which is assembled with the material platform and serves as a lifting guide for the material platform; a second chain wheel and a second lifting chain, one end of the second lifting chain being connected to the material platform and the other end being free after being wound around the second chain wheel upward; and a second motor, which is in transmission connection with the second chain wheel.

[0009] Preferably, the left and right sides of the material platform are each provided with one second lifting guide rod and two groups of second chain wheels and second lifting chains.

[0010] Preferably, the waste discharge platform is provided with two waste discharge pressing strips in front and back, one of the waste discharge pressing strips being provided with a pressing cylinder and a folding cylinder, and the other waste discharge pressing strip being provided with a pressing cylinder; an extension pressing strip is mounted on the waste discharge pressing strip, and the waste discharge pressing strip and the extension pressing strip are adjusted and mounted through two long holes.

[0011] Preferably, the waste discharge platform is divided into two parts to form a rotating opening structure downward from the center, and the rotating shaft of the waste discharge platform is provided with a rotating motor; the two waste discharge platforms are mounted on a sliding frame as a whole, and the sliding frame can be moved out from below the waste suction disc frame.

[0012] Preferably, the waste discharge unit further comprises a first lifting translation frame, the waste suction disc frame is hinged to the first lifting translation frame, and a rotating leveling cylinder is arranged between the waste suction disc frame and the first lifting translation frame; the first lifting translation frame drives the waste suction disc frame to move reciprocally between the waste discharge platform and the finished product lifting platform.

[0013] Preferably, the feeding unit comprises: a feeding temporary storage platform; a feeding suction disc frame, which is uniformly provided with a plurality of suction discs for adsorbing raw material plates; a second lifting translation frame, which drives the feeding suction disc frame to move reciprocally between the raw material lifting platform and the feeding temporary storage platform; a turnover suction disc frame, which is uniformly provided with a plurality of suction discs for adsorbing raw material plates; and a turnover frame, which drives the turnover suction disc frame to move reciprocally between the feeding temporary storage platform and the indentation station of the indentation main machine.

[0014] Preferably, the discharging unit comprises: a discharging suction disc frame, which is uniformly provided with a plurality of suction discs for adsorbing semi-finished product plates; and a third lifting translation frame, which drives the discharging suction disc frame to move reciprocally between the indentation station of the indentation main machine and the waste discharge unit.

[0015] The utility model has the following beneficial effects:

[0016] 1. Automated waste removal: Through the coordinated action of the waste discharge pressure bar and the waste discharge suction cup frame of the waste removal unit, the waste area is pressed down while the finished product plate is adsorbed and lifted, realizing the automatic separation of waste and finished product without manual intervention. The waste removal efficiency is high and it is suitable for continuous operation.

[0017] 2. Simplified structure and optimized cost: The modular design of the feeding unit, discharging unit and waste removal unit eliminates the need for traditional waste removal needles, comb structures and shredder blowers, reducing equipment costs to 1 / 3-1 / 5 of traditional full waste removal die-cutting machines, and significantly improving maintenance convenience;

[0018] 3. Yield and quality assurance: The waste removal suction cup frame is equipped with a rotary leveling cylinder to ensure precise contact between the suction cup and the semi-finished product plate, avoiding edge tearing caused by suction deviation, thus improving the yield.

[0019] 4. Self-cleaning and anti-accumulation of waste: The waste discharge platform adopts a rotating opening structure, combined with a pressing cylinder and a retracting cylinder. After the waste area is pressed, it automatically falls off as the platform rotates, reducing the frequency of downtime for waste cleaning, and the waste removal rate reaches 100%.

[0020] 5. Lifting stability and load capacity: The raw material lifting platform and the finished product lifting platform adopt a double-sided lifting guide rod and sprocket chain linkage structure, which has a large load capacity and high lifting synchronization accuracy, ensuring the smooth conveying of the material plate;

[0021] 6. Flexible production adaptation: The feeding unit is equipped with a flip suction cup frame and a temporary storage table to support the posture adjustment and buffering of raw material plates of different thicknesses, adapting to the diverse order requirements in the thickness range of 0.5-5mm. Attached Figure Description

[0022] Figure 1 This is a perspective view of an embodiment of the present utility model.

[0023] Figure 2 This is a front view schematic diagram of an embodiment of this utility model.

[0024] Figure 3 This is a three-dimensional schematic diagram of the raw material lifting platform in an embodiment of this utility model.

[0025] Figure 4 This is a three-dimensional schematic diagram of the feeding unit in an embodiment of this utility model.

[0026] Figure 5 This is a three-dimensional schematic diagram of the discharge unit in an embodiment of this utility model.

[0027] Figure 6 This is a three-dimensional schematic diagram of the waste removal unit in an embodiment of this utility model.

[0028] Figure 7 This is a schematic diagram of the bottom direction of the waste removal unit in this embodiment of the utility model.

[0029] Figure 8 is the stereogram of the finished product lifting platform in the embodiment of the utility model.

[0030] Figure 9 is the schematic view of the indentation cutter in the embodiment of the utility model.

[0031] In the figure:

[0032] Raw material lifting platform 1, raw material table 101, first lifting guide rod 102, first chain wheel 103, first lifting chain 104, first motor 105;

[0033] Finished product lifting platform 2, finished material table 201, second lifting guide rod 202, second chain wheel 203, second lifting chain 204, second motor 205;

[0034] Indentation main machine 3;

[0035] Waste removal unit 4, waste removal table 401, waste removal pressing strip 402, waste removal suction cup rack 403, pressing cylinder 404, folding cylinder 405, rotating motor 406, sliding rack 407, first lifting translation rack 408, rotating leveling cylinder 409, extension pressing strip 410, locking bolt 411;

[0036] Feeding unit 5, feeding temporary storage table 501, feeding suction cup rack 502, second lifting translation rack 503, turnover suction cup rack 504, turnover rack 505;

[0037] Discharging unit 6, discharging suction cup rack 601, third lifting translation rack 602;

[0038] Figure 8 The solid line is the outer shape of the raw material part, the dotted line is the outer shape of the finished plate, and the dashed line is the folding indentation. Specific implementation

[0039] The utility model will be further described below in combination with the embodiment and the drawings.

[0040] In the embodiment, for example, Figures 1-9As shown, it is a waste cleaning die cutting machine, comprising: a raw material lifting platform 1 for storing raw material plates; a finished product lifting platform 2 for storing finished product plates; an indentation main machine 3 for pressing or cutting raw material plates to form semi-finished product plates; a waste cleaning unit 4 for removing the waste area of the edge of the semi-finished product plate to form a finished product plate, and conveying the finished product plate to the finished product lifting platform 2; a feeding unit 5 arranged between the raw material lifting platform 1 and the indentation main machine 3, for feeding the raw material plate from the raw material lifting platform 1 into the indentation station of the indentation main machine 3; a discharging unit 6 arranged between the indentation main machine 3 and the waste cleaning unit 4, for feeding the semi-finished product plate from the indentation station of the indentation main machine 3 into the waste cleaning unit 4; the waste cleaning unit 4 comprises a waste discharge table top 401, a waste discharge pressing strip 402 and a waste discharge suction cup rack 403, the waste discharge table top 401 is used for placing the semi-finished product plate, the waste discharge pressing strip 402 is pressed on the waste area of the edge of the semi-finished product plate, and the waste discharge suction cup rack 403 is uniformly provided with a plurality of suction cups for adsorbing and lifting the finished product plate in the middle of the semi-finished product plate. The embodiment realizes full-automatic waste cleaning through modular design, the waste removal rate reaches 100%, the equipment cost is only 1 / 3-1 / 5 of that of a traditional full-waste cleaning die cutting machine, and flexible production of multiple specifications of raw material plates is supported.

[0041] As shown in the embodiment, Figure 3 The raw material lifting platform 1 comprises: a raw material table top 101, which is a storage table top of the raw material plate; a first lifting guide rod 102, which is assembled with the raw material table top 101 and serves as a lifting guide piece of the raw material table top 101; a first chain wheel 103 and a first lifting chain 104, one end of the first lifting chain 104 is connected with the raw material table top 101, and the other end is upwardly wound around the first chain wheel 103 and then is free; and a first motor 105, which is in transmission connection with the first chain wheel 103. The double-side chain wheel and chain structure makes the lifting synchronization precision of the raw material table top 101 reach ±0.2 mm, has high single-time bearing capacity, and meets the demand of large-batch production.

[0042] As shown in the embodiment, Figure 3 The left and right sides of the raw material table top 101 are each arranged with a first lifting guide rod 102, two groups of first chain wheels 103 and first lifting chains 104. The double-guide-rod and double-chain design eliminates the risk of lifting unbalanced load, ensures that the horizontal error of the raw material plate is less than 0.5°, avoids the problem of material jamming, and the symmetrical layout makes the raw material table top 101 still keep stable in the full-load state.

[0043] As shown in the embodiment, Figure 8As shown, the finished product lifting platform 2 comprises: a material platform 201, which is a storage platform for material plates; a second lifting guide rod 202, which is assembled with the material platform 201 and serves as a lifting guide for the material platform 201; a second chain wheel 203 and a second lifting chain 204, one end of the second lifting chain 204 being connected to the material platform 201 and the other end being free after being wound upward around the second chain wheel 203; and a second motor 205, which is in transmission connection with the second chain wheel 203. This structure realizes automatic adjustment of the stacking height of finished products, and realizes automatic alarm of full stack in cooperation with a photoelectric sensor, and the stacking height has high precision.

[0044] In the embodiment, as shown in Figure 8 two second lifting guide rods 202 are arranged on the left and right sides of the material platform 201, and two groups of second chain wheels 203 and second lifting chains 204 are arranged on the left and right sides of the material platform 201. The design of double guide rods and double chain groups eliminates the risk of lifting unbalanced load, ensures that the horizontal error of the material plate is less than 0.5°, avoids the problem of material jamming, and the symmetrical layout ensures that the material platform 201 remains stable under full load.

[0045] In the embodiment, as shown in Figure 6 , Figure 7 Two waste discharge pressing strips 402 are arranged on the waste discharge platform 401, one of which is provided with a pressing cylinder 404 and a folding cylinder 405, and the other of which is provided with a pressing cylinder 404. The front waste discharge pressing strip 402 is moved towards the rear waste discharge pressing strip 402 by the folding cylinder 405, so that the two sides of the semi-finished plate are stably pressed by the waste discharge pressing strips 402, the pressing cylinder 404 applies sufficient pressing force, and the separation of waste and finished plate is ensured. The waste discharge pressing strips 402 are installed on the waste discharge platform 401 in a sliding rail and nut locking manner, so that the front and rear positions are adjustable to adapt to products of different sizes. In addition, the waste discharge pressing strips 402 can also be selectively provided with an extension pressing strip 410, and the waste discharge pressing strips 402 and the extension pressing strip 410 are adjusted and installed through two long holes to adapt to special-shaped cutting plates.

[0046] In the embodiment, as shown in Figure 6 , Figure 7As shown, the waste discharge platform 401 is divided into two parts, forming a downward rotating opening structure, and the rotating shaft of the waste discharge platform 401 is provided with a rotating motor 406; the two waste discharge platforms 401 are installed as a whole on the sliding frame 407, which can be moved out from below the waste discharge suction cup frame 403. After the rotating motor 406 opens the waste discharge platform 401, it presents a waste discharge state, and the waste material automatically falls into the waste chute under the action of gravity, and the waste cleaning period can be consistent with the indentation period of the indentation main machine 3, avoiding the accumulation of waste material on the waste discharge platform 401. The sliding frame 407 allows the entire waste discharge platform 401 to be moved out from below the waste discharge suction cup frame 403, and the position of the waste discharge pressure strip 402 and the extension pressure strip 410 on the waste discharge suction cup frame 403 and the waste discharge platform 401 can be adjusted when replacing the cutting plate respectively. In the working state, the sliding frame 407 is locked on the rack by the locking bolt 411 to avoid sliding displacement.

[0047] As shown in the embodiment, Figure 6 , Figure 7 The waste cleaning unit 4 further includes a first lifting and translating frame 408, the waste discharge suction cup frame 403 is hinged to the first lifting and translating frame 408, and a rotating leveling cylinder 409 is arranged between the waste discharge suction cup frame 403 and the first lifting and translating frame 408; the first lifting and translating frame 408 drives the waste discharge suction cup frame 403 to reciprocate between the waste discharge platform 401 and the finished product lifting platform 2. The leveling cylinder 409 makes the angle error between the suction cup plane and the finished product plate less than 0.5°, and the successful suction rate is improved to 99.9%, avoiding the risk of finished product plate falling off.

[0048] As shown in the embodiment, Figure 4 The feeding unit 5 includes: a feeding temporary storage platform 501; a feeding suction cup frame 502 uniformly provided with a plurality of suction cups for adsorbing raw material plates; a second lifting and translating frame 503 driving the feeding suction cup frame 502 to reciprocate between the raw material lifting platform 1 and the feeding temporary storage platform 501; a turnover suction cup frame 504 uniformly provided with a plurality of suction cups for adsorbing raw material plates; and a turnover frame 505 driving the turnover suction cup frame 504 to reciprocate between the feeding temporary storage platform 501 and the indentation station of the indentation main machine 3. The turnover suction cup frame 504 has double rotating arms, one rotating arm is driven by a motor, and the other rotating arm is driven by a cylinder, the two rotating arms cooperate with each other to realize rapid turnover at a large angle, thereby ensuring efficient feeding speed.

[0049] As shown in the embodiment, Figure 5 The discharging unit 6 includes: a discharging suction cup frame 601 uniformly provided with a plurality of suction cups for adsorbing semi-finished product plates; and a third lifting and translating frame 602 driving the discharging suction cup frame 601 to reciprocate between the indentation station of the indentation main machine 3 and the waste cleaning unit 4. The discharging unit 6 itself can rotate with the indentation machine body of the indentation main machine 3 to ensure that it can sequentially adsorb semi-finished product plates.

[0050] As shown in the embodiment,Figures 4-6 As shown, the translation movement of the first lifting translation frame 408, the second lifting translation frame 503, and the third lifting translation frame 602 is achieved by servo motor driving synchronous belt, and the synchronous belt wheel group is arranged on both sides of the translation frame to achieve a larger moving distance and a stable moving speed. The lifting of the first lifting translation frame 408 is achieved by a gear and rack mechanism, and the lifting of the second lifting translation frame 503 and the third lifting translation frame 602 is achieved by a cylinder cooperating with a straight guide rod or a slide rail to meet the demand of high-speed continuous operation.

[0051] The operation steps of the waste removal die cutting machine in the embodiment are as follows:

[0052] (1) Raw material loading:

[0053] Stack the raw material plates on the raw material table surface 101 of the raw material lifting platform 1, and the first motor 105 lifts the table surface to the material taking height; the feeding suction disc frame 502 adsorbs the uppermost raw material plate and moves it to the feeding temporary storage table surface 501 through the second lifting translation frame 503; the turnover suction disc frame 504 adsorbs the raw material plate and turns it to the required posture at the indentation station.

[0054] (2) Indentation processing:

[0055] The indentation main machine 3 performs die cutting indentation on the raw material plate to form a semi-finished plate with a waste area; the discharge suction disc frame 601 adsorbs the semi-finished plate and moves it to the waste discharge table surface 401 of the waste removal unit 4 through the third lifting translation frame 602.

[0056] (3) Waste removal:

[0057] The cylinder group of the waste discharge pressing strip 402 is actuated to press the waste area of the semi-finished plate; the waste discharge suction disc frame 403 adsorbs the finished plate and lifts it, and the waste area remains on the waste discharge table surface 401; the rotation motor 406 drives the waste discharge table surface 401 to open, and the waste falls into the waste collection groove.

[0058] (4) Finished product stacking:

[0059] The first lifting translation frame 408 moves the waste discharge suction disc frame 403 to above the finished product lifting platform 2 and releases the finished plate to the finished product table surface 201; the second motor 205 drives the finished product table surface 201 to gradually descend to realize automatic stacking.

[0060] (5) Equipment maintenance:

[0061] Clean the waste discharge table surface 401 of residual waste after daily operation and check the vacuum degree of the suction disc; apply lubricating grease to the lifting guide rod every week and detect the chain tension; calibrate the position of each sensor every month to ensure the system operation accuracy.

[0062] Obviously, the above embodiments of the present application are only examples for illustrating the present application, and are not intended to limit the embodiments of the present application. Other obvious changes or modifications derived from the essential spirit of the present application still belong to the protection scope of the present application.

Claims

1. A waste-clearing die-cutting machine, characterized in that, include: Raw material lifting platform (1) is used to store raw material plates; Finished product lifting platform (2) is used to store finished product boards; The indentation machine (3) is used to press or cut the raw material board to form a semi-finished board; The waste removal unit (4) is used to remove the waste area at the edge of the semi-finished board to form the finished board and transport the finished board to the finished product lifting platform (2). The feeding unit (5) is arranged between the raw material lifting platform (1) and the indentation host (3) for feeding the raw material plate from the raw material lifting platform (1) into the indentation station of the indentation host (3); The discharge unit (6) is arranged between the indentation host (3) and the waste removal unit (4) for feeding the semi-finished board from the indentation station of the indentation host (3) into the waste removal unit (4). The waste removal unit (4) includes a waste removal table (401), a waste removal strip (402), and a waste removal suction cup frame (403). The waste removal table (401) is used to place the semi-finished board. The waste removal strip (402) is pressed against the waste area at the edge of the semi-finished board. The waste removal suction cup frame (403) is evenly distributed with several suction cups for adsorbing and lifting the finished board in the middle of the semi-finished board.

2. The waste removal die-cutting machine according to claim 1, characterized in that, The raw material lifting platform (1) includes: The raw material work surface (101) is a work surface for storing raw material boards; The first lifting guide rod (102) is assembled with the raw material table (101) and serves as a lifting guide for the raw material table (101); The first sprocket (103) and the first lifting chain (104) are connected. One end of the first lifting chain (104) is connected to the raw material platform (101), and the other end is free after passing over the first sprocket (103). The first motor (105) is connected to the first sprocket (103) for transmission.

3. The waste removal die-cutting machine according to claim 2, characterized in that, On the left and right sides of the raw material platform (101), there is a first lifting guide rod (102), two sets of first sprockets (103) and the first lifting chain (104).

4. The waste removal die-cutting machine according to claim 1, characterized in that, The finished product lifting platform (2) includes: The material processing table (201) is a storage table for the material processing boards; The second lifting guide rod (202) is assembled with the forming platform (201) and serves as the lifting guide for the forming platform (201); The second sprocket (203) and the second lifting chain (204) are connected. One end of the second lifting chain (204) is connected to the material forming platform (201), and the other end is free after passing over the second sprocket (203). The second motor (205) is connected to the second sprocket (203) for transmission.

5. The waste removal die-cutting machine according to claim 4, characterized in that, The material forming platform (201) is provided with a second lifting guide rod (202), two sets of second sprockets (203) and a second lifting chain (204) on each of its left and right sides.

6. The waste removal die-cutting machine according to claim 1, characterized in that, The waste discharge platform (401) is provided with two waste discharge pressure strips (402) at the front and back. One waste discharge pressure strip (402) is equipped with a pressing cylinder (404) and a retracting cylinder (405), and the other waste discharge pressure strip (402) is equipped with a pressing cylinder (404). An extension pressure strip (410) is installed on the waste discharge pressure strip (402). The waste discharge pressure strip (402) and the extension pressure strip (410) are adjusted and installed through two elongated holes.

7. The waste removal die-cutting machine according to claim 1, characterized in that, The waste discharge platform (401) is divided into two parts, forming a rotating opening structure from the center downwards. The rotating shaft of the waste discharge platform (401) is equipped with a rotary motor (406). The two waste discharge platforms (401) are installed as a whole on the sliding frame (407), which can be moved out from below the waste discharge suction cup frame (403).

8. The waste removal die-cutting machine according to claim 1, characterized in that, The waste removal unit (4) also includes a first lifting and translating frame (408), and the waste discharge suction cup frame (403) is hinged to the first lifting and translating frame (408). A rotary leveling cylinder (409) is provided between the waste discharge suction cup frame (403) and the first lifting and translating frame (408). The first lifting and translating frame (408) drives the waste discharge suction cup frame (403) to move back and forth between the waste discharge platform (401) and the finished product lifting platform (2).

9. The waste removal die-cutting machine according to claim 1, characterized in that, The feeding unit (5) includes: Feeding temporary storage table (501); The feeding suction cup holder (502) is evenly distributed with several suction cups for adsorbing the raw material plate; The second lifting and translation frame (503) drives the feeding suction cup frame (502) to move back and forth between the raw material lifting platform (1) and the feeding temporary storage platform (501); The flip suction cup holder (504) is evenly distributed with several suction cups for adsorbing raw material plates; The flipping frame (505) drives the flipping suction cup frame (504) to reciprocate between the feeding temporary storage table (501) and the indentation station of the indentation host (3).

10. The waste removal die-cutting machine according to claim 1, characterized in that, The discharge unit (6) includes: The discharge suction cup frame (601) is evenly distributed with several suction cups for adsorbing semi-finished plates; The third lifting and translation frame (602) drives the discharge suction cup frame (601) to move back and forth between the indentation station of the indentation host (3) and the waste removal unit (4).

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