Carton opening and boxing integrated full-automatic packaging machine for cartons

Abstract

The invention discloses a box opening and box filling integrated full-automatic packaging machine for cartons, and relates to the field of carton packaging, the box opening and box filling integrated full-automatic packaging machine comprises a supporting seat, a box opening mechanism is arranged on the front side of the supporting seat, a box filling and packaging line is arranged on the right side of the box opening mechanism, the cartons are automatically filled and packaged, and the upper portion of the supporting seat is used for placing folded cartons; positioning plates in bilateral symmetry are arranged above the supporting seat, and a baffle is arranged on the rear side of the supporting seat. According to the box opening and box filling integrated full-automatic packaging machine for the paper box, the extrusion effect is provided for the paper box through the first extrusion block, the paper box can be stably attached to the suction cup during follow-up box opening, the second extrusion block is arranged on the rear side of the first extrusion block, and the paper box can be placed when the first extrusion block moves to the foremost side; and the second extrusion block continues to extrude the cartons, and continuous feeding of the cartons is achieved.

Description

Technical Field

[0001] The invention relates to the technical field of carton packaging, and in particular to a carton unpacking and packing integrated fully automatic packaging machine. Background Art

[0002] When using cartons to pack products, in order to improve packaging efficiency, a fully automatic packaging machine can be used instead of manual unpacking and packaging.

[0003] Prior art 1 (application number CN202411975919.2, Chinese patent published on January 28, 2025) is a box unpacking and box packing integrated packaging machine suitable for cartons of different sizes, involving carton processing related fields, including a frame, a cardboard placement table is installed at the front end of the frame, and an air supply component is also installed at the left side of the interior of the frame, and the air supply component is located below the placement plate; a second electric push rod is also installed at the top right side of the frame, and the setting of the flipping mechanism can facilitate the sealing of the upper and lower ends of the carton. The integrated packaging machine for unpacking and packing cartons of different sizes is provided with a flipping mechanism. Through the setting of the flipping mechanism, the adhesive tape can fully seal the upper and lower ends of the carton, reducing manual intervention and improving work efficiency. The carton size adjustment mechanism can also be well placed for different cartons. In addition, the carton limit mechanism can ensure that cartons of different sizes can be adapted to conveying. Prior art 2 (application number CN201810852698.8, Chinese patent published on November 23, 2018) An automatic packaging machine includes an automatic conveyor line, which is used to convey a scale frame along a transmission direction, and the automatic conveyor line is assembled in sequence. The electronic scale is assembled on the basis of the present invention, and the electronic scale is assembled on the basis of the present invention. The electronic scale is assembled on the basis of the present invention, and the scale is assembled on the basis of the present invention. The electronic scale is assembled on the basis of the present invention, and the scale is assembled on the basis of the present invention. The electronic scale is assembled on the basis of the present invention, and the scale is assembled on the basis of the present invention.

[0004] The current fully automatic packaging machines can realize automatic unpacking and conveying of cartons. The cartons are loaded in a stacked manner, but when the cartons are unpacked, they are generally adsorbed by suction cups. The suction cups and the carton release the squeeze on the carton, and a reverse thrust needs to be provided for the carton to keep it stable, otherwise the adsorption will be unstable. The reverse thrust is provided directly by using a push plate in combination with a spring and other structures, which results in the need to release the thrust on the carton before replenishing the cardboard when replenishing the cartons later. This requires suspending the operation of the equipment, and the cartons cannot be automatically replenished during packaging, reducing the automated packaging efficiency and operation continuity of the device. Summary of the invention

[0005] The object of the present invention is to provide a fully automatic packaging machine for unpacking and packing cartons, so as to solve the problem raised in the above-mentioned background technology that the current packaging machine directly uses a push plate in combination with a spring and other structures to provide a reverse thrust for the cartons, resulting in the need to first release the thrust on the cartons and then replenish the cardboard when replenishing the cartons, thereby suspending the operation of the equipment and being unable to automatically replenish the cartons during packaging.

[0006] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a fully automatic packaging machine for carton unpacking and packing, comprising a support seat, a carton unpacking mechanism is arranged on the front side of the support seat, and a carton packing line is arranged on the right side of the carton unpacking mechanism, so as to automatically pack and pack the cartons, the top of the support seat is used to place a folding carton, and a left-right symmetrical positioning plate is arranged on the top of the support seat, and a baffle is arranged on the rear side of the support seat, a blocking frame is arranged on the front side of the positioning plate to provide a blocking effect for the carton, a first extrusion block is arranged on the inner side of the positioning plate, the first extrusion block extends out of the inner side of the positioning plate to provide an extrusion and pushing effect on the carton, a second extrusion block is arranged on the rear side of the first extrusion block, and movable blocks are connected to the outer sides of the first extrusion block and the second extrusion block, a telescopic control mechanism is arranged on the outer sides of the first extrusion block and the second extrusion block, and a driving mechanism is arranged on the top of the movable block to control the movement of the movable block.

[0007] To further optimize the technical solution, a first slide groove and a second slide groove are provided inside the positioning plate to provide space for the movement of the movable block, and the second slide groove is located outside the first slide groove, and the end of the first slide groove and the end of the second slide groove are connected to each other.

[0008] To further optimize the technical solution, the telescopic control mechanism includes a first magnet, a first spring, a second magnet and a push-out mechanism; A first magnet is disposed at the outer ends of the first extrusion block and the second extrusion block; A first spring, arranged on the outer side of the first magnet to provide an outward thrust for the first magnet; A second magnet is fixed at the front end of the second slide slot, and the second magnet and the first magnet are arranged opposite to each other with opposite magnetic poles. The ejection mechanism is arranged at the rear end of the second slide slot and controls the movement of the movable block.

[0009] Further optimizing the technical solution, the ejection mechanism includes a third magnet, a connecting rod, a driving plate and a second spring; The third magnet is arranged at the rear end of the second slide slot, and the third magnet and the first magnet are arranged opposite to each other with the same magnetic poles, and a front-to-back sliding structure is formed between the third magnet and the positioning plate; A connecting rod, fixed to the rear end of the third magnet; A driving plate is arranged at the rear end of the connecting rod, and the driving plate is located at the rear side of the baffle; The second spring is arranged between the driving plate and the baffle plate to provide thrust for the driving plate.

[0010] To further optimize the technical solution, the driving mechanism includes a latching tooth, a first conveyor belt, a second conveyor belt, a support roller, a first motor and a second motor; A latching tooth, fixed on the upper side of the movable block; A first conveyor belt is arranged above the first chute, and the first conveyor belt is connected to the latch teeth to drive the movable block to move; A second conveyor belt is arranged above the second chute; Support rollers, arranged at the ends of the first conveyor belt and the second conveyor belt to provide support therefor; A first motor is connected to the support roller on the inner side of the first conveyor belt; The second motor is connected to the supporting roller on the inner side of the second conveyor belt.

[0011] To further optimize the technical solution, a height adjustment mechanism is provided on the outer side of the blocking frame to adjust the height position of the blocking frame, a left-right sliding structure is formed between the positioning plate and the support seat, and a second control rod passes through the interior of the positioning plate, the second control rod is a bidirectional threaded rod, and a threaded connection is formed between the second control rod and the positioning plate.

[0012] To further optimize the technical solution, a left-right sliding structure is formed between the connecting rod and the driving plate, and a left-right sliding structure is formed between the connecting rod and the baffle.

[0013] To further optimize the technical solution, the height adjustment mechanism includes a connecting plate, a first control rod and a guide block; A connecting plate is arranged on the outer side of the blocking frame and between the blocking frame to form a horizontal sliding structure; A first control rod, which passes through the end of the blocking frame and is threadedly connected with the blocking frame; The guide block is fixed on the rear side of the connecting plate, and an up-and-down sliding structure is formed between the guide block and the positioning plate.

[0014] To further optimize the technical solution, a synchronous transmission mechanism is provided on the outer side of the support roller so that the support rollers in the two groups of positioning plates rotate synchronously.

[0015] Further optimizing the technical solution, the synchronous transmission mechanism includes a first transmission shaft, an output shaft, a second transmission shaft, a transmission belt, a docking head and a docking block; A first transmission shaft, fixed to the inner side of the support roller at the rear end of the first conveyor belt; An output shaft is fixed to the outer side of the support roller at the rear end of the second conveyor belt; A second transmission shaft is rotatably mounted on the outer side of the positioning plate; A transmission belt is arranged on the outer side of the second transmission shaft, and the second transmission shaft is connected to the output shaft through the transmission belt; A butt joint fixed to the inner ends of the first transmission shaft and the second transmission shaft on one side positioning plate; The docking block and the docking joint are arranged opposite to each other, and a horizontal sliding structure is formed between the docking block and the docking joint.

[0016] Compared with the prior art, the present invention has the following beneficial effects: (1) The first squeezing block provides a squeezing effect for the carton so that it can maintain a stable fit with the suction cup during subsequent unpacking. A second squeezing block is provided at the rear side of the first squeezing block. When the first squeezing block moves to the front, the carton can be placed. The second squeezing block continues to provide squeezing for the carton, thereby realizing continuous loading of the carton.

[0017] (2) The first extrusion block and the second extrusion block can be moved and switched in position within the positioning plate through the first slide groove and the second slide groove, so that they can move back and forth to cyclically extrude the carton, and the first extrusion block and the second extrusion block can automatically telescope and move, thereby improving the degree of automation of the device.

[0018] (3) The first conveyor belt and the second conveyor belt can drive the movable block to move in different directions, so that the position of the extrusion block can be switched and controlled so that it can be recycled, and there is no need to stop the operation of the equipment when loading cartons.

[0019] (4) The mutual attraction between the first magnet and the second magnet enables the movable block to be transferred from the first slide groove to the second slide groove, and the mutual repulsion between the first magnet and the third magnet enables the movable block to be transferred from the second slide groove to the first slide groove, so that it can continue to provide thrust to subsequent cartons.

[0020] (5) The positions of the positioning plates and the blocking frames can be moved and adjusted so that the device can accommodate cartons of different sizes, and the conveyor belts in the two sets of positioning plates can move synchronously so that the thrust application remains stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention; Figure 2 It is a schematic diagram of the side structure of the support seat of the present invention; Figure 3 This is a schematic diagram of the top view of the support base of the present invention; Figure 4 It is a schematic diagram of the three-dimensional structure of the blocking frame of the present invention; Figure 5 This is a schematic diagram of the connection structure of the connection plate and the positioning plate of the present invention; Figure 6 This is a schematic diagram of the top view of the structure of the first extrusion block of the present invention; Figure 7 This is a schematic diagram of the internal structure of the first movable block of the present invention; Figure 8 For the present invention Figure 6 The enlarged structural diagram at a in the middle; Fig. 9 This is a schematic diagram of the top-sectional structure of the positioning plate of the present invention; Fig.10 This is a schematic diagram of the three-dimensional structure of the driving plate of the present invention; Fig.11 This is a schematic diagram of the first transmission shaft docking structure of the present invention; Fig.12 It is a schematic diagram of the side structure of the first conveyor belt of the present invention.

[0022] In the figure: 1, support seat; 2, unpacking mechanism; 3, packing and packaging line; 4, positioning plate; 5, baffle; 6, blocking frame; 7, connecting plate; 8, first control rod; 9, guide block; 10, first extrusion block; 11, movable block; 12, pressure sensor; 13, first magnet; 14, first spring; 15, latch; 16, first slide; 17, second slide; 18, second magnet; 19, third magnet; 20, connecting rod; 21, driving plate; 22, second spring; 23, second extrusion block; 24, first conveyor belt; 25, second conveyor belt; 26, supporting roller; 27, first motor; 28, second motor; 29, first transmission shaft; 30, output shaft; 31, second transmission shaft; 32, transmission belt; 33, docking head; 34, docking block; 35, second control rod. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0024] See also Figure 1-Figure 12 , Embodiment 1: The present invention provides the following technical solutions: A fully automatic packaging machine for unpacking and packing cartons, comprising a support seat 1, a box unpacking mechanism 2 is arranged on the front side of the support seat 1, and a box packing line 3 is arranged on the right side of the box unpacking mechanism 2, for automatically packing and packing cartons, the top of the support seat 1 is used to place a folding carton, and a left-right symmetrical positioning plate 4 is arranged on the top of the support seat 1, and a baffle 5 is arranged on the rear side of the support seat 1, and a blocking frame 6 is arranged on the front side of the positioning plate 4 to provide a blocking effect for the carton, a first extrusion block 10 is arranged on the inner side of the positioning plate 4, and the first extrusion block 10 extends out of the inner side of the positioning plate 4 to provide an extrusion and pushing effect on the carton, a second extrusion block 23 is arranged on the rear side of the first extrusion block 10, and the outer sides of the first extrusion block 10 and the second extrusion block 23 are connected to a movable block 11, and the outer sides of the first extrusion block 10 and the second extrusion block 23 are provided with a telescopic control mechanism, and a driving mechanism is arranged above the movable block 11 to control the movement of the movable block 11.

[0025] The cartons to be processed are placed on the support seat 1, and a squeezing effect is provided thereon by the first squeezing block 10. A pressure sensor 12 is arranged inside the first squeezing block 10 to detect its squeezing force. The cartons on the support seat 1 are opened in turn by the unpacking mechanism 2, and then transferred to the packing and packaging line 3 for subsequent packing and sealing processing.

[0026] Embodiment 2: Based on Embodiment 1, a first slide groove 16 and a second slide groove 17 are provided inside the positioning plate 4 to provide space for the movement of the movable block 11, and the second slide groove 17 is located outside the first slide groove 16, and the end of the first slide groove 16 and the end of the second slide groove 17 are connected to each other. The telescopic control mechanism includes a first magnet 13, a first spring 14, a second magnet 18 and a pushing mechanism. The first magnet 13 is arranged at the outer ends of the first extrusion block 10 and the second extrusion block 23, and the first spring 14, The outer side of the first magnet 13 is provided to provide an outward thrust for the first magnet 13. The second magnet 18 is fixed at the front end of the second slide slot 17. The second magnet 18 and the first magnet 13 are arranged with opposite poles. The push mechanism is arranged at the rear end of the second slide slot 17 to control the movement of the movable block 11. The push mechanism includes a third magnet 19, a connecting rod 20, a driving plate 21 and a second spring 22. The third magnet 19 is arranged at the rear end of the second slide slot 17, and the third magnet 19 and the first magnet 13 are arranged with opposite poles. The same magnetic poles are arranged opposite to each other, and a front-to-rear sliding structure is formed between the third magnet 19 and the positioning plate 4. The connecting rod 20 is fixed at the rear end of the third magnet 19. The driving plate 21 is arranged at the rear end of the connecting rod 20, and the driving plate 21 is located at the rear side of the baffle 5. The second spring 22 is arranged between the driving plate 21 and the baffle 5 to provide thrust for the driving plate 21. The driving mechanism includes a latch 15, a first conveyor belt 24, a second conveyor belt 25, a support roller 26, a first motor 27 and a second motor 28. The latch 1 5, fixed above the movable block 11, the first conveyor belt 24, arranged above the first slide slot 16, and the first conveyor belt 24 is connected to the latch 15 to drive the movable block 11 to move, the second conveyor belt 25, arranged above the second slide slot 17, the support roller 26, arranged at the ends of the first conveyor belt 24 and the second conveyor belt 25 to provide support therefor, the first motor 27, connected to the support roller 26 on the inner side of the first conveyor belt 24, the second motor 28, connected to the support roller 26 on the inner side of the second conveyor belt 25.

[0027] When unpacking the cartons, the movable block 11 is moved by the movement of the first conveyor belt 24, so that it drives the first extrusion block 10 to move, and provides continuous extrusion for the cartons. When the cartons need to be replenished, the driving plate 21 can be pushed to drive the third magnet 19 to move, and the third magnet 19 and the first magnet 13 relatively push the second extrusion block 23 and the movable block 11 to move, and push them from the second chute 17 to the first chute 16, so that the second extrusion block 23 extends out of the positioning plate 4, and the carton is placed between the second extrusion block 23 and the first extrusion block 10 to complete the feeding and replenishment. 10 continues to move, and when the first magnet 13 and the second magnet 18 are relative to each other, the first extrusion block 10 is attracted and moves to the inside of the movable block 11, and at the same time, the movable block 11 moves from the first chute 16 to the second chute 17. Subsequently, the first conveyor belt 24 continues to run and drives the second extrusion block 23 to move to extrude the carton after feeding and replenishment, so that it can be continuously unpacked. The movable block 11 moved to the second chute 17 can move backward under the drive of the second conveyor belt 25, so that it moves to the rear end of the second chute 17. When the carton needs to be replenished later, it can be controlled to extend, without stopping the operation of the equipment, and the packaging is more efficient.

[0028] Embodiment 3: On the basis of embodiment 2, a height adjustment mechanism is disclosed, which is provided on the outer side of the blocking frame 6 to adjust the height position of the blocking frame 6; a left-right sliding structure is formed between the positioning plate 4 and the support seat 1; a second control rod 35 is passed through the interior of the positioning plate 4; the second control rod 35 is a bidirectional threaded rod; a threaded connection is formed between the second control rod 35 and the positioning plate 4; a left-right sliding structure is formed between the connecting rod 20 and the driving plate 21; and a left-right sliding structure is formed between the connecting rod 20 and the baffle 5; the height adjustment mechanism comprises a connecting plate 7, a first control rod 8 and a guide block 9; the connecting plate 7 is provided between the outer side of the blocking frame 6 and the blocking frame 6 to form a horizontal sliding structure; the first control rod 8 passes through the end of the blocking frame 6 and the blocking frame 6 to form a threaded connection; the guide block 9 is fixed on the rear side of the connecting plate 7; and an upper and lower sliding structure is formed between the guide block 9 and the positioning plate 4 Sliding structure, a synchronous transmission mechanism is arranged on the outer side of the support roller 26, so that the support rollers 26 in the two groups of positioning plates 4 rotate synchronously, and the synchronous transmission mechanism includes a first transmission shaft 29, an output shaft 30, a second transmission shaft 31, a transmission belt 32, a docking joint 33 and a docking block 34. The first transmission shaft 29 is fixed on the inner side of the support roller 26 at the rear end of the first conveyor belt 24, the output shaft 30 is fixed on the outer side of the support roller 26 at the rear end of the second conveyor belt 25, the second transmission shaft 31 is rotatably mounted on the outer side of the positioning plate 4, the transmission belt 32 is arranged on the outer side of the second transmission shaft 31, the second transmission shaft 31 is connected to the output shaft 30 through the transmission belt 32, the docking joint 33 is fixed on the inner ends of the first transmission shaft 29 and the second transmission shaft 31 on one side positioning plate 4, the docking block 34 and the docking joint 33 are arranged opposite to each other, and a horizontal sliding structure is formed between the docking block 34 and the docking joint 33.

[0029] The positions of the blocking frame 6 and the positioning plate 4 can be adjusted according to the size of the carton. When adjusting the blocking frame 6, rotate the first control rod 8 to drive the blocking frame 6 and the connecting plate 7 to move vertically, and the guide block 9 slides in the positioning plate 4. When the positioning plate 4 needs to be adjusted, rotate the second control rod 35 to drive the positioning plate 4 to move, and the positioning plate 4 drives the connecting plate 7 to slide on the blocking frame 6. At the same time, the connecting rod 20 slides in the driving plate 21. The driving plate 21 and the connecting rod 20 are horizontally slidably connected, and the docking block 34 slides on the outside of the docking joint 33 to adjust the positioning spacing of the positioning plate 4.

[0030] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0031] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A fully automatic packaging machine for carton unpacking and packing, comprising a support base (1), a carton unpacking mechanism (2) being arranged on the front side of the support base (1), and a carton packing line (3) being arranged on the right side of the carton unpacking mechanism (2), for automatically packing and packing cartons; Features: The support seat (1) is used to place a folding carton on the top, and a left-right symmetrical positioning plate (4) is arranged on the top of the support seat (1), and a baffle (5) is arranged on the rear side of the support seat (1); a blocking frame (6) is arranged on the front side of the positioning plate (4) to provide a blocking effect for the carton; a first extrusion block (10) is arranged on the inner side of the positioning plate (4); the first extrusion block (10) extends out of the inner side of the positioning plate (4) to provide an extrusion and pushing effect on the carton; a second extrusion block (23) is arranged on the rear side of the first extrusion block (10); and the outer sides of the first extrusion block (10) and the second extrusion block (23) are both connected to a movable block (11); a telescopic control mechanism is arranged on the outer sides of the first extrusion block (10) and the second extrusion block (23); and a driving mechanism is arranged on the top of the movable block (11) to control the movement of the movable block (11).

2. The fully automatic packaging machine for carton unpacking and packing according to claim 1, characterized in that: The positioning plate (4) is provided with a first slide groove (16) and a second slide groove (17) inside to provide space for the movable block (11) to move, and the second slide groove (17) is located outside the first slide groove (16), and the end of the first slide groove (16) and the end of the second slide groove (17) are connected to each other.

3. The fully automatic packaging machine for carton unpacking and packing according to claim 2, characterized in that: The telescopic control mechanism comprises a first magnet (13), a first spring (14), a second magnet (18) and a pushing mechanism; A first magnet (13) is arranged at the outer ends of the first extrusion block (10) and the second extrusion block (23); A first spring (14) is arranged on the outside of the first magnet (13) to provide an outward thrust for the first magnet (13); A second magnet (18) is fixed at the front end of the second slide groove (17), and the second magnet (18) and the first magnet (13) are arranged opposite to each other with opposite magnetic poles. The ejection mechanism is arranged at the rear end of the second slide groove (17) and controls the movement of the movable block (11).

4. The fully automatic packaging machine for carton unpacking and packing according to claim 3, characterized in that: The ejection mechanism comprises a third magnet (19), a connecting rod (20), a driving plate (21) and a second spring (22); A third magnet (19) is arranged at the rear end of the second slide groove (17), and the third magnet (19) and the first magnet (13) are arranged with the same magnetic poles facing each other, and a front-to-back sliding structure is formed between the third magnet (19) and the positioning plate (4); A connecting rod (20) fixed to the rear end of the third magnet (19); A driving plate (21) is arranged at the rear end of the connecting rod (20), and the driving plate (21) is located at the rear side of the baffle plate (5); The second spring (22) is arranged between the driving plate (21) and the baffle plate (5) to provide a thrust for the driving plate (21).

5. The fully automatic packaging machine for carton unpacking and packing according to claim 4, characterized in that: The driving mechanism comprises a latching tooth (15), a first conveyor belt (24), a second conveyor belt (25), a support roller (26), a first motor (27) and a second motor (28); A latching tooth (15) is fixed above the movable block (11); A first conveyor belt (24) is arranged above the first slide groove (16), and the first conveyor belt (24) is connected to the latching teeth (15) to drive the movable block (11) to move; A second conveyor belt (25) is arranged above the second chute (17); Support rollers (26) are arranged at the ends of the first conveyor belt (24) and the second conveyor belt (25) to provide support therefor; A first motor (27) connected to a support roller (26) on the inner side of the first conveyor belt (24); The second motor (28) is connected to the support roller (26) on the inner side of the second conveyor belt (25).

6. The fully automatic packaging machine for carton unpacking and packing according to claim 5, characterized in that: A height adjustment mechanism is arranged on the outer side of the blocking frame (6) to adjust the height position of the blocking frame (6); a left-right sliding structure is formed between the positioning plate (4) and the support seat (1); a second control rod (35) runs through the interior of the positioning plate (4); the second control rod (35) is a bidirectional threaded rod; and a threaded connection is formed between the second control rod (35) and the positioning plate (4).

7. The fully automatic packaging machine for carton unpacking and packing according to claim 6, characterized in that: A left-right sliding structure is formed between the connecting rod (20) and the driving plate (21), and a left-right sliding structure is formed between the connecting rod (20) and the baffle plate (5).

8. The fully automatic packaging machine for carton unpacking and packing according to claim 6, characterized in that: The height adjustment mechanism comprises a connecting plate (7), a first control rod (8) and a guide block (9); A connecting plate (7) is arranged on the outer side of the blocking frame (6) and between the blocking frame (6) to form a horizontal sliding structure; A first control rod (8) passes through the end of the blocking frame (6) and is threadedly connected to the blocking frame (6); The guide block (9) is fixed on the rear side of the connecting plate (7), and an up-and-down sliding structure is formed between the guide block (9) and the positioning plate (4).

9. The fully automatic packaging machine for carton unpacking and packing according to claim 8, characterized in that: A synchronous transmission mechanism is arranged on the outer side of the support roller (26), so that the support rollers (26) in the two groups of positioning plates (4) rotate synchronously.

10. The fully automatic packaging machine for carton unpacking and packing according to claim 9, characterized in that: The synchronous transmission mechanism comprises a first transmission shaft (29), an output shaft (30), a second transmission shaft (31), a transmission belt (32), a docking head (33) and a docking block (34); A first transmission shaft (29) fixed to the inner side of a support roller (26) at the rear end of the first conveyor belt (24); An output shaft (30) is fixed to the outside of the support roller (26) at the rear end of the second conveyor belt (25); A second transmission shaft (31) is rotatably mounted on the outer side of the positioning plate (4); A transmission belt (32) is arranged outside the second transmission shaft (31), and the second transmission shaft (31) is connected to the output shaft (30) via the transmission belt (32); A butt joint (33) fixed to the inner ends of the first transmission shaft (29) and the second transmission shaft (31) on one side positioning plate (4); The docking block (34) and the docking joint (33) are arranged opposite to each other, and a horizontal sliding structure is formed between the docking block (34) and the docking joint (33).

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