Automatic stack shape arrangement whole-layer stacking production line

Abstract

The utility model discloses an automatic stack shape arrangement whole-layer stacking production line, relates to the technical field of stacking, and aims to solve the technical problems that cartons are easily damaged or the stacking is unstable and the stacking quality is difficult to guarantee due to adsorption force when a suction tool is used for carrying out whole-layer stacking. Comprising a carton feeding roller line, a carton pushing roller line, a stack-shaped sorting roller line, a transfer belt conveyor, a tray roller line, a centering clamping mechanism and a tray disassembling machine, and the centering clamping mechanism comprises a first servo lead screw sliding assembly and a clamping jaw in sliding connection with the first servo lead screw sliding assembly; according to the scheme, a large-area suction tool is not used in the structure, the cartons can be efficiently and accurately stacked on the whole layer without the large-area suction tool, the defect that the cartons are stacked through the large-area suction tool is overcome, and the stacking efficiency is improved. And the risk that the cartons are damaged or unstably stacked is avoided, and the stacking quality is high.

Description

Technical Field

[0001] This utility model relates to the field of palletizing technology, and in particular to an automatic palletizing production line for sorting and stacking layers. Background Technology

[0002] A palletizing production line is a production line used for automated palletizing. It generally includes multiple components such as roller conveyors, robotic arms, and depalletizers. Roller conveyors are used to transport cartons (or other goods). Robotic arms typically include bidirectional or tridirectional servo screw sliding components that work with grippers to adjust the position and orientation of cartons. The depalletizer supplies pallets, and these components work together to achieve automated palletizing. Existing roller conveyors include normal linear conveyor lines and edge-conveying conveyor lines. The authorized patent CN208666375U, published on March 29, 2019, entitled "A Positioning Device to Ensure a Robotic Arm Grabs Irregularly Shaped Objects," mentions an edge-conveying conveyor line composed of "a set of mutually parallel inclined rollers" on the edge-conveying roller machine, which can transport cartons along the edge.

[0003] However, in traditional single-carton palletizing technology, each carton needs to be individually positioned and placed, which is not only inefficient but also makes it difficult to guarantee accuracy. Using suction cups for whole-layer palletizing can improve palletizing efficiency, but current technology relies on large-area suction cups for whole-layer handling and palletizing, which not only increases the complexity and cost of the equipment but may also lead to damage to cartons or unstable palletizing due to insufficient suction force or errors of the suction cups. The quality of palletizing is difficult to guarantee and still needs improvement.

[0004] Therefore, in view of the shortcomings of the above-mentioned solutions in actual production and implementation, modifications and improvements have been made. At the same time, in the spirit and concept of seeking excellence, with the assistance of professional knowledge and experience, and after much ingenuity and experimentation, an automatic stacking and palletizing production line is specially provided to solve the technical problem that using suction cups for stacking can easily cause damage to cartons or unstable stacking due to suction force, making it difficult to guarantee the quality of stacking. Utility Model Content

[0005] The purpose of this utility model is to provide an automatic stacking production line for sorting and palletizing cartons, which solves the technical problem that using suction cups for stacking cartons can easily lead to damage to cartons or unstable stacking due to suction force, making it difficult to guarantee the quality of stacking.

[0006] The technical solution of this utility model is implemented as follows:

[0007] An automated stacking and palletizing production line includes a carton feeding roller line, a carton pushing roller line, a stacking roller line, a transfer conveyor belt, a pallet roller line, a centering clamping mechanism, and a depalletizing machine. The carton feeding roller line and the carton pushing roller line are aligned on the same straight line, with the tail end of the carton feeding roller line engaging with the head end of the carton pushing roller line. The stacking roller line is perpendicular to the carton pushing roller line and is located on the side of the carton pushing roller line. The centering clamping mechanism is located on the side of the pallet roller line and includes a first servo screw sliding assembly and a gripper slidably connected thereto. The gripper is located at the top of the pallet roller line. The transfer conveyor belt is used to transfer cartons from the stacking roller line to the bottom of the gripper for clamping. The depalletizing machine is mounted on the pallet roller line.

[0008] The carton feeding roller line includes a roller frame, on which a carton flipping mechanism, two side conveyor lines and a first roller conveyor line are provided. The two side conveyor lines are located at the front and rear ends of the first roller conveyor line, respectively. The side conveyor line includes a set of parallel inclined rollers. The carton flipping mechanism is located on the roller frame on the side of the first roller conveyor line.

[0009] To ensure that materials do not fall off after moving to the side, vertical baffles are installed on the sides of the roller frame. Specifically, when the side conveyor line moves to the left, the baffle is located on the left side of the first roller conveyor line and the side conveyor line, and vice versa. The carton flipping mechanism is located on the same side as the baffle.

[0010] In a preferred embodiment, the carton flipping mechanism includes a fixed base fixed on a roller frame, a rotary cylinder is provided on the fixed base, a welded swing arm is connected to the rotating end of the top of the rotary cylinder, a caster is connected to the end of the welded swing arm, the welded swing arm rotates in the horizontal direction, and the caster is arranged in the horizontal direction.

[0011] In a preferred embodiment, the carton pushing roller line includes a second roller conveyor line, a first cylinder blocking mechanism and a fixed baffle and a first pushing mechanism. The first cylinder blocking mechanism and the fixed baffle are located at the infeed end and the end end of the second roller conveyor line, respectively. The first pushing mechanism is used to push the cartons on the second roller conveyor line to the stacking roller line.

[0012] Both the first and second roller conveyor lines are conventional roller conveyor lines, meaning that the rollers are evenly distributed and conveyed along a straight line.

[0013] In a preferred embodiment, the first cylinder blocking mechanism includes a telescopic cylinder and a telescopic baffle connected to the piston rod at the top of the telescopic cylinder. The telescopic cylinder is mounted on the bottom side of the push-box roller line using a connecting piece. The height of the telescopic baffle can be controlled by the telescopic cylinder; when extended, it can block the carton, and when retracted, it does not affect the passage of the carton.

[0014] In a preferred embodiment, the first pusher mechanism includes a push rod and a first pusher frame installed at the bottom of the pusher roller line. The first pusher frame is provided with two parallel first guide rails. The bottom of the push rod is provided with a first slider that cooperates with the first guide rails. The first pusher frame is provided with a rodless cylinder for providing power to the push rod.

[0015] In a preferred embodiment, the stacking roller line is connected to a second pusher mechanism. The second pusher mechanism includes a second pusher frame, a connecting plate, and a pusher cylinder. The second pusher frame is fixed to the bottom of the stacking roller line, and the pusher cylinder is fixed to the bottom of the second pusher frame. A row of pusher shafts is provided on the top of the connecting plate, and a cylinder pusher plate is provided on the bottom of the connecting plate. The piston rod of the pusher cylinder is connected to the cylinder pusher plate.

[0016] The second push box frame is provided with two parallel second guide rails, the bottom of the connecting plate is provided with a slider that cooperates with the second guide rails, and the cylinder push plate is located in the gap between the two guide rails and the second push box frame.

[0017] The end of the sorting and stacking roller line is equipped with a second cylinder blocking mechanism. The second cylinder blocking mechanism has the same structure as the first cylinder blocking mechanism, both of which are used to control the blocking and release of cartons.

[0018] In a preferred embodiment, the transfer belt conveyor includes a second servo screw sliding assembly arranged longitudinally and a transverse sliding assembly slidably connected to the second servo screw sliding assembly. The transverse sliding assembly includes a transverse sliding plate that can slide laterally, and a belt conveyor is connected to the transverse sliding plate.

[0019] In a preferred embodiment, the first servo screw sliding assembly is provided with two parallel longitudinal slide rails, and the gripper includes a connecting arm and a longitudinal slide plate. The connecting arm is fixed on the longitudinal slide plate, and the longitudinal slide plate is slidably connected to the longitudinal slide rails by a longitudinal slider.

[0020] The gripper includes two perpendicular centering clamping groups connected to the bottom side of the longitudinal slide plate end. Each centering clamping group includes a frame fixed to the bottom of the connecting arm. A slide rail is provided on the frame. A centering clamping plate is connected to the bottom side of the slide rail by a cooperating slider. A rack is connected to the inner side of the centering clamping plate. A gear is provided between the two racks. The two racks are driven by the gear. A cylinder is provided on the frame to provide power to the centering clamping plate.

[0021] The cylinder drives the centering clamp to move, which in turn moves the rack connected to it, causing the gear to rotate. The rack on the other side moves synchronously, forming a centering action. This process is repeated for both the upper and lower layers, achieving four-way centering.

[0022] The beneficial effects of this utility model are:

[0023] 1. This solution significantly improves the efficiency of carton sorting and palletizing. Compared with the traditional single-carton palletizing method, full-layer palletizing greatly shortens the production cycle and increases the number of cartons that can be processed per unit time.

[0024] 2. This method has excellent palletizing accuracy. Through the coordinated operation of a series of structures such as the side conveyor line, two sets of box pushing mechanisms and four-way centering clamps, the placement error of the cartons can be controlled within a very small range, which greatly reduces the workload of subsequent manual adjustments, improves the smoothness and stability of the overall production process, and reduces production costs.

[0025] 3. This solution does not use large-area suction cups in its structure. It can efficiently and accurately stack cartons in a whole layer without the need for large-area suction cups. Therefore, it avoids the drawbacks of using large-area suction cups for stacking. There is no risk of damage to cartons or unstable stacking. The stacking quality is high. It solves the technical problem that using suction cups for whole-layer stacking can easily cause damage to cartons or unstable stacking due to suction force, and the stacking quality is difficult to guarantee. Attached Figure Description

[0026] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0027] Figure 1 This is a three-dimensional structural diagram of an embodiment of the present utility model. Figure 1 ;

[0028] Figure 2 This is a three-dimensional structural diagram of an embodiment of the present utility model. Figure 2 ;

[0029] Figure 3This is a schematic diagram of the structure of the carton feeding roller line according to an embodiment of the present utility model;

[0030] Figure 4 This is a schematic diagram of the carton flipping mechanism according to an embodiment of the present utility model;

[0031] Figure 5 for Figure 1 Enlarged view of point A in the middle;

[0032] Figure 6 This is a schematic diagram of the structure of the first cylinder blocking mechanism according to an embodiment of the present invention;

[0033] Figure 7 This is a schematic diagram of the structure of the first pusher mechanism according to the present invention;

[0034] Figure 8 This is a schematic diagram of the structure of the second pusher mechanism according to an embodiment of the present invention;

[0035] Figure 9 This is a schematic diagram of the structure of the transfer belt conveyor according to an embodiment of the present invention;

[0036] Figure 10 for Figure 9 Enlarged view of point B in the middle;

[0037] Figure 11 This is a schematic diagram of the centering clamping mechanism according to an embodiment of the present invention;

[0038] Figure 12 This is a partial structural diagram of the centering clamping assembly according to an embodiment of the present invention;

[0039] Figure 13 for Figure 1 A schematic diagram of the palletizing status;

[0040] Figure 14 for Figure 2 A schematic diagram of the palletizing status;

[0041] Figure 15 This is a schematic diagram of the palletizing process of this utility model;

[0042] Figure 16 This is a schematic diagram of the palletizing state of this utility model. Figure 1 ;

[0043] Figure 17 This is a schematic diagram of the palletizing state of this utility model. Figure 2 .

[0044] In the diagram, 1-pallet roller conveyor; 2-transfer belt conveyor; 3-second roller conveyor; 4-pushing roller conveyor; 5-centering clamping mechanism; 6-pallet unpacking machine; 7-stacking roller conveyor; 8-carton flipping mechanism; 9-carton feeding roller conveyor; 10-roller frame; 11-first roller conveyor; 12-side-mounting conveyor; 13-slanted roller; 14-rotary cylinder; 15-fixed base; 16-welded swing arm; 17-caster; 18-fixed baffle; 20-first pushing mechanism; 21-first cylinder blocking mechanism; 22-telescopic baffle; 23-telescopic cylinder; 24-connector; 25-first guide rail; 26- 27-First push box frame; 28-Rodless cylinder; 29-First slider; 30-Push rod; 31-Push box shaft; 32-Connecting plate; 33-Cylinder push plate; 34-Piston rod; 35-Second slider; 36-Second guide rail; 37-Second push box frame; 38-Push box cylinder; 39-Transverse slide plate; 40-Belt conveyor; 41-Second servo screw sliding assembly; 42-Transverse sliding assembly; 43-Centering clamping assembly; 44-Frame; 45-Connecting arm; 46-First servo screw sliding assembly; 47-Longitudinal slider; 48-Longitudinal slide plate; 49-Longitudinal slide rail; 50-Centering clamping plate. Detailed Implementation

[0045] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0046] It should be noted that all directional indicators (such as up, down, left, right, front, back, etc.) in this utility model embodiment are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicator will also change accordingly.

[0047] Furthermore, the use of terms such as "first" and "second" in this utility model is for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of those features.

[0048] In the description of the embodiments, unless otherwise expressly specified and limited, the terms "set," "connect," etc., should be interpreted broadly. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or a connection through an intermediate medium, or it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0049] like Figures 1-12 As shown, an automated stacking and palletizing production line includes a carton feeding roller line 9, a carton pushing roller line 4, a stacking roller line 7, a transfer conveyor belt 2, a pallet roller line 1, a centering clamping mechanism 5, and a depalletizing machine 6. The carton feeding roller line 9 and the carton pushing roller line 4 are arranged on the same straight line, with the tail of the carton feeding roller line 9 engaging with the head of the carton pushing roller line 4. The stacking roller line 7 is perpendicular to the carton pushing roller line 4 and is located on the side of the carton pushing roller line 4. The centering clamping mechanism 5 is located on the side of the pallet roller line 1 and includes a first servo screw sliding assembly 46 and a gripper slidably connected thereto. The gripper is located at the top of the pallet roller line 1. The transfer conveyor belt 2 is used to transfer the cartons on the stacking roller line 7 to the bottom of the gripper for clamping. The depalletizing machine 6 is mounted on the pallet roller line 1.

[0050] The carton feeding roller line 9 includes a roller frame 10, on which a carton flipping mechanism 8, two side conveyor lines 12 and a first roller conveyor line 11 are provided. The two side conveyor lines 12 are located at the front and rear ends of the first roller conveyor line 11, respectively. The side conveyor line 12 includes a set of parallel inclined rollers 13. The carton flipping mechanism 8 is provided on the roller frame 10 on the side of the first roller conveyor line 11.

[0051] To ensure that materials do not fall off after moving to the side, a vertical baffle is provided on the side of the roller frame 10. Specifically, when the side conveyor line 12 moves to the left, the baffle is located on the left side of the first roller conveyor line 11 and the side conveyor line 12, and vice versa. The carton flipping mechanism 8 is located on the same side as the baffle.

[0052] The carton flipping mechanism 8 includes a fixed base 15 fixed on the roller frame 10. A rotary cylinder 14 is provided on the fixed base 15. A welded swing arm 16 is connected to the rotating end of the top of the rotary cylinder 14. A caster 17 is connected to the end of the welded swing arm 16. The welded swing arm 16 rotates in the horizontal direction, and the caster 17 is set in the horizontal direction.

[0053] The carton pushing roller line 4 includes a second roller conveyor line 3, a first cylinder blocking mechanism 21, a fixed baffle 18, and a first carton pushing mechanism 20. The first cylinder blocking mechanism 21 and the fixed baffle 18 are located at the inlet end and the end end of the second roller conveyor line 3, respectively. The first carton pushing mechanism 20 is used to push the cartons on the second roller conveyor line 3 onto the stacking roller line 7.

[0054] Both the first roller conveyor line 11 and the second roller conveyor line 3 are conventional roller conveyor lines, that is, roller lines with rollers evenly distributed and conveyed along a straight line.

[0055] The first cylinder blocking mechanism 21 includes a telescopic cylinder 23 and a telescopic baffle 22 connected to the piston rod at the top of the telescopic cylinder 23. The telescopic cylinder 23 is installed on the bottom side of the pusher roller line 4 via a connector 24. The height of the telescopic baffle 22 can be controlled by the telescopic cylinder 23. When extended, it can block the carton, and when retracted, it does not affect the passage of the carton.

[0056] The first pusher mechanism 20 includes a pusher rod 29 and a first pusher frame 26 installed at the bottom of the pusher roller line 4. The first pusher frame 26 is provided with two parallel first guide rails 25. The bottom of the pusher rod 29 is provided with a first slider 28 that cooperates with the first guide rails 25. The first pusher frame 26 is provided with a rodless cylinder 27 for providing power to the pusher rod 29.

[0057] The stacking roller line 7 is connected to a second pusher mechanism 37. The second pusher mechanism 37 includes a pusher cylinder 38, a connecting plate 31, and a pusher frame 36 fixed to the bottom of the stacking roller line 7. The pusher cylinder 38 is fixed to the bottom of the second pusher frame 36. A row of pusher shafts 30 is provided on the top of the connecting plate 31, and a cylinder pusher plate 32 is provided on the bottom of the connecting plate 31. The piston rod 33 of the pusher cylinder 38 is connected to the cylinder pusher plate 32.

[0058] The second push box frame 36 is provided with two parallel second guide rails 35, and the bottom of the connecting plate 31 is provided with a second slider 34 that cooperates with the second guide rails 35. The cylinder push plate 32 is located in the gap between the two guide rails and the second push box frame 36.

[0059] The end of the sorting and stacking roller line is equipped with a second cylinder blocking mechanism. The second cylinder blocking mechanism has the same structure as the first cylinder blocking mechanism, both of which are used to control the blocking and release of cartons.

[0060] The transfer belt conveyor 2 includes a second servo screw sliding assembly 41 arranged longitudinally and a transverse sliding assembly 42 slidably connected to the second servo screw sliding assembly 41. The transverse sliding assembly 42 includes a transverse sliding plate 39 that can slide laterally, and a belt conveyor 40 is connected to the transverse sliding plate 39.

[0061] The first servo screw sliding assembly 46 is provided with two parallel longitudinal slide rails 49. The gripper includes a connecting arm 45 and a longitudinal slide plate 48. The connecting arm 45 is fixed on the longitudinal slide plate 48. The longitudinal slide plate 48 is slidably connected to the longitudinal slide rails 49 by a longitudinal slider 47.

[0062] The gripper includes two perpendicular centering clamping groups 43, which are connected to the bottom side of the end of the longitudinal slide plate 48. The centering clamping group 43 includes a frame 44 fixed to the bottom of the connecting arm 45. A slide rail is provided on the frame 44. A centering clamping plate 50 is connected to the bottom side of the slide rail by a matching slider. A rack is connected to the inner side of the centering clamping plate. A gear is provided between the two racks. The two racks are driven by the gear. A cylinder is provided on the frame 44 to provide power to the centering clamping plate 50.

[0063] The four centering plates of the two clamping groups 43 simultaneously advance towards the center to clamp the stacked cartons, effectively arranging the stack shape.

[0064] The cylinder drives the centering clamp 50 to move, and the rack connected to it moves, causing the gear to rotate. The rack on the other side moves synchronously, forming a centering action. This is the same for both the upper and lower layers, achieving four-way centering.

[0065] For detailed palletizing procedures, please refer to [link / reference]. Figure 15 .

[0066] Figure 16 , Figure 17 These are two state diagrams for the palletizing process in this solution, which can be used in conjunction with... Figure 15 To understand.

[0067] Servo screw sliding components and disc disassembly machines are existing technologies with mature applications, so they will not be described in detail here.

[0068] The beneficial effects of this utility model are:

[0069] 1. This solution significantly improves the efficiency of carton sorting and palletizing. Compared with the traditional single-carton palletizing method, full-layer palletizing greatly shortens the production cycle and increases the number of cartons that can be processed per unit time.

[0070] 2. This method has excellent palletizing accuracy. Through the coordinated operation of a series of structures such as the side conveyor line, two sets of box pushing mechanisms and four-way centering clamps, the placement error of the cartons can be controlled within a very small range, which greatly reduces the workload of subsequent manual adjustments, improves the smoothness and stability of the overall production process, and reduces production costs.

[0071] 3. This solution does not use large-area suction cups in its structure. It can efficiently and accurately stack cartons in a whole layer without the need for large-area suction cups. Therefore, it avoids the drawbacks of using large-area suction cups for stacking. There is no risk of damage to cartons or unstable stacking. The stacking quality is high. It solves the technical problem that using suction cups for whole-layer stacking can easily cause damage to cartons or unstable stacking due to suction force, and the stacking quality is difficult to guarantee.

[0072] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of this utility model should be included within the protection scope of this utility model. Furthermore, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the protection scope claimed by this utility model.

Claims

1. An automatic collating and stacking production line for stacking in a pile shape, characterized in that, The paper box feeding drum line, the box pushing drum line, the arrangement stack drum line, the transfer belt machine, the tray drum line, the centering clamping mechanism and the tray unstacking machine are arranged on the same straight line, the tail of the paper box feeding drum line is matched with the head of the box pushing drum line, the arrangement stack drum line is perpendicular to the box pushing drum line, the arrangement stack drum line is arranged on the side of the box pushing drum line, the centering clamping mechanism is arranged on the side of the tray drum line, the centering clamping mechanism comprises a first servo lead screw sliding assembly and a clamping jaw connected with the first servo lead screw sliding assembly, the clamping jaw is located on the top of the tray drum line, the transfer belt machine is used for transferring the paper box on the arrangement stack drum line to the bottom of the clamping jaw for clamping, the tray unstacking machine is arranged on the tray drum line, The paper box feeding drum line comprises a drum frame, a paper box turnover mechanism, two edge conveying lines and a first drum conveying line are arranged on the drum frame, the two edge conveying lines are respectively located at the front and rear ends of the first drum conveying line, the edge conveying line comprises a group of parallel inclined drums, and the paper box turnover mechanism is arranged on the drum frame at the side of the first drum conveying line.

2. The automatic collating and stacking production line according to claim 1, characterized in that, The paper box turnover mechanism comprises a fixed base fixed on the drum frame, a rotary cylinder is arranged on the fixed base, a rotary end at the top of the rotary cylinder is connected with a welded swing arm, a castor is connected with the end of the welded swing arm, and the welded swing arm rotates in the horizontal direction.

3. The automatic collating and stacking production line according to claim 1, characterized in that, The box pushing drum line comprises a second drum conveying line, a first cylinder blocking mechanism, a fixed baffle and a first box pushing mechanism, the first cylinder blocking mechanism and the fixed baffle are respectively located at the inlet end and the terminal end of the second drum conveying line, and the first box pushing mechanism is used for pushing the paper box on the second drum conveying line to the arrangement stack drum line.

4. The automatic collating and stacking production line according to claim 3, characterized in that, The first cylinder blocking mechanism comprises a telescopic cylinder and a telescopic baffle connected with the piston rod at the top of the telescopic cylinder, and the telescopic cylinder is installed on the bottom side of the box pushing drum line by means of a connecting piece.

5. The automatic collating and stacking production line according to claim 3, characterized in that, The first box pushing mechanism comprises a push rod and a first box pushing frame installed at the bottom of the box pushing drum line, two parallel first guide rails are arranged on the first box pushing frame, a first sliding block matched with the first guide rails is arranged at the bottom of the push rod, and a rodless cylinder for providing power for the push rod is arranged on the first box pushing frame.

6. The automatic collating and stacking production line according to claim 1, characterized in that, The arrangement stack drum line is connected with a second box pushing mechanism, the second box pushing mechanism comprises a second box pushing frame, a connecting plate and a box pushing cylinder, the second box pushing frame is fixed at the bottom of the arrangement stack drum line, the box pushing cylinder is fixed at the bottom of the second box pushing frame, a row of box pushing shafts is arranged at the top of the connecting plate, a cylinder pushing plate is arranged at the bottom of the connecting plate, and the piston rod of the box pushing cylinder is connected with the cylinder pushing plate. Two parallel second guide rails are arranged on the second box pushing frame, and sliding blocks matched with the second guide rails are arranged at the bottom of the connecting plate. A second cylinder blocking mechanism is arranged at the terminal end of the arrangement stack drum line.

7. The automatic collating and stacking production line according to claim 1, characterized in that, The transfer belt conveyor comprises a second servo-screw sliding assembly arranged longitudinally and a transverse sliding assembly slidingly connected on the second servo-screw sliding assembly, the transverse sliding assembly comprises a transverse sliding plate capable of transverse sliding, and a belt conveyor is connected on the transverse sliding plate.

8. The automatic collating and stacking production line according to claim 1, characterized in that, The first servo-screw sliding assembly is provided with two parallel longitudinal sliding rails, and the clamping jaw comprises a connecting arm and a longitudinal sliding plate, the connecting arm is fixed on the longitudinal sliding plate, and the longitudinal sliding plate is slidingly connected with the longitudinal sliding rails by longitudinal sliding blocks; The clamping jaw comprises two perpendicular centering clamping groups, the two centering clamping groups are connected at the bottom side of the end portion of the longitudinal sliding plate, the centering clamping group comprises a frame fixed at the bottom of the connecting arm, the frame is provided with a sliding rail, the bottom side of the sliding rail is connected with a centering clamping plate by matched sliding blocks, the inner side of the centering clamping plate is connected with a rack, a gear is arranged between the two racks, the two racks are driven by the gear, and the frame is provided with a cylinder for providing power for the centering clamping plate.

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