Stacker for carton discharge

Abstract

This utility model relates to the field of cardboard box production technology, specifically disclosing a cardboard box palletizing machine, comprising: a base, a conveyor belt inside the base, a material drop trough inside the base, a high-pressure air pump fixedly connected to the bottom end of the base surface, an air inlet fixedly connected to the air inlet of the high-pressure air pump, an air supply pipe fixedly connected to the air outlet of the high-pressure air pump, a distribution pipe fixedly connected and passing through the inside of the base, a support plate fixedly connected to the bottom end of the inner wall of the material drop trough, four extrusion strips slidably connected inside the support plate, four guide grooves inside the support plate, an extrusion disc slidably connected to the inner wall of the connecting pipe, an extrusion rod fixedly connected to one side of the extrusion disc, and a return spring fixedly connected to one side of the extrusion disc; this utility model, through the combined use of the distribution pipe, connecting pipe, extrusion disc, extrusion strips, guide grooves, pallet, and vacuum suction cup, allows cardboard boxes of different diameters to be placed on the pallet and then sorted, providing high flexibility.

Description

Technical Field

[0001] This utility model belongs to the field of cardboard box production technology, specifically relating to a cardboard box palletizing machine for unloading. Background Technology

[0002] Cardboard boxes are made of cardboard and formed through folding, gluing, or stapling processes. During production, cardboard boards are typically glued together. After production, these boards are usually transported to a designated location via a conveyor system, then stacked and transferred to their respective locations. A palletizer is an automated device used to neatly stack packaged products onto pallets or stacks according to preset rules, facilitating subsequent storage and transportation. Its core function is to automatically grasp, position, and stack goods using robotic arms, grippers, or conveyor systems, combined with sensors and control programs. However, some existing palletizers still have certain shortcomings and require improvement.

[0003] Chinese patent CN219326404U discloses a carton palletizing machine, comprising a machine body for carton unloading and palletizing, a conveyor belt mounted on the machine body, a support base on one side of the machine body, a palletizing assembly for controlling carton stacking on one side of the support base, and a clamping assembly for adjusting the neatness of carton stacking on the side of the machine body. The palletizing assembly includes two sets of electric push rods a arranged parallel to each other on one side of the machine body, with the same base plate fixedly mounted on the output end of the two sets of electric push rods a, and the support base located on the base plate. This invention, by setting up a palletizing assembly, avoids the time-consuming and labor-intensive problem of manual palletizing, and helps improve the efficiency and effect of palletizing. The baffle always blocks the movement trajectory of the carton boards on the support base and assists in palletizing, preventing the carton boards from flying off the support base due to the transport inertia of the conveyor belt.

[0004] However, in the above technical solutions, the position and size of the clamping plate of the clamping component are relatively fixed. For cartons of different sizes, it may not be able to clamp and sort them well. When the size of the cartons varies greatly, the clamping plate may not be able to completely cover both sides of the cartons. The position of the clamping plate is the same as the width of the base plate, but the width or length of the carton board is difficult to match the width of the base plate or the clamping plate. In this case, it will be difficult to clamp the carton board with a smaller diameter or width as a whole, resulting in poor sorting effect and certain limitations in use. Utility Model Content

[0005] The purpose of this invention is to provide a palletizer for discharging cardboard boxes to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A cardboard box palletizing machine includes: a base, a conveyor belt inside the base, a material discharge chute inside the base, a high-pressure air pump fixedly connected to the bottom end of the base surface, an air inlet fixedly connected to the air pump, an air supply pipe fixedly connected to the air pump's outlet end, a distribution pipe fixedly connected and passing through the inside of the base, the bottom end of the air supply pipe fixedly connected and passing through the inside of the distribution pipe, four connecting pipes fixedly connected and passing through the inside of the distribution pipe, and a support plate fixedly connected to the bottom end of the inner sidewall of the material discharge chute. The surface is fixed and penetrates the interior of the support plate. Four extrusion strips are slidably connected inside the support plate. Four guide grooves are opened inside the support plate, and the extrusion strips slide inside the guide grooves. An extrusion disc is slidably connected to the inner wall of the connecting tube. An extrusion rod is fixedly connected to one side of the extrusion disc, and the end of the extrusion rod away from the extrusion disc is fixedly connected to the bottom end of one side of the extrusion strip. A return spring is fixedly connected to one side of the extrusion disc, and the end of the return spring away from the extrusion disc is fixedly connected to one side of the inner wall of the connecting tube.

[0008] Preferably, a support plate is connected to the top of the support plate, and two ends of one side of the support plate are fixedly connected to plug-in blocks, and plug-in slots are provided inside the plug-in blocks.

[0009] Preferably, two vertical slots are provided on one side of the base, and the plug block slides on the inner side wall of the vertical slot.

[0010] Preferably, a support bar is fixedly connected to the top of the base surface, a first electric slide rail is fixedly connected to the top of the support bar, a movable plate is fixedly connected to the top of the first electric slide rail, a vacuum pump is fixedly connected to one side of the top of the movable plate, an extraction pipe is fixedly connected to the air inlet of the vacuum pump, and an exhaust port is fixedly connected to the air outlet of the vacuum pump.

[0011] Preferably, a second electric slide rail is fixedly connected to the inner top wall of the movable plate, an electric telescopic rod is slidably connected inside the second electric slide rail, and a vacuum suction cup is fixedly connected to the output end of the electric telescopic rod.

[0012] Preferably, one side of the top of the vacuum suction cup is fixed and has an air extraction port, and the bottom end of the extraction tube is fixedly connected to the inside of the air extraction port.

[0013] Preferably, a control panel is fixedly connected to the top of one side of the base surface, and the control panel is electrically connected to the high-pressure air pump, the first electric slide rail, the vacuum pump, the second electric slide rail and the electric telescopic rod respectively.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] (1) Gas is driven into the connecting pipe by a high-pressure air pump, which causes the extrusion plate to move the extrusion rod, thereby pushing the extrusion strip to slide in the guide groove. The four extrusion strips move synchronously, which can extrude and straighten the carton from all sides according to the actual size of the carton board. This solves the problem that the position and size of the clamping plate are fixed in the existing technology, making it difficult to adapt to different sizes of carton stacks. It can effectively cover carton boards of different widths or lengths, ensuring the sorting effect. No matter how the size of the carton board changes, the palletizer can squeeze the carton board into the center and straighten it by moving the extrusion strips, avoiding the poor sorting caused by the mismatch between the carton size and the clamping parts, and improving the applicability of the palletizer to different specifications of cartons.

[0016] (2) The conveyor belt automatically transports the processed cardboard to the designated position. The vacuum pump keeps the vacuum suction cup under vacuum through the extraction tube, thereby adsorbing the cardboard. The first electric slide rail drives the moving plate to move left and right, and the second electric slide rail drives the electric telescopic rod to move back and forth. The electric telescopic rod drives the vacuum suction cup to lift up and down, realizing the automatic gripping, positioning and handling of the cardboard, reducing manual operation and improving palletizing efficiency. Attached Figure Description

[0017] Figure 1 This is a perspective view of the present utility model;

[0018] Figure 2 This is a cross-sectional view of the extrusion strip of this utility model;

[0019] Figure 3 This is a perspective view of the pallet of this utility model;

[0020] Figure 4 This is a cross-sectional view of the extrusion disc of this utility model;

[0021] Figure 5 This is a cross-sectional view of the electric telescopic pole of this utility model;

[0022] In the diagram: 1. Base; 2. Conveyor belt; 3. Material drop chute; 4. High-pressure air pump; 5. Air supply pipe; 6. Air distribution pipe; 7. Connecting pipe; 8. Bearing plate; 9. Extrusion bar; 10. Guide groove; 11. Extrusion disc; 12. Extrusion rod; 13. Return spring; 14. Support plate; 15. Insertion block; 16. Vertical groove; 17. First electric slide rail; 18. Moving plate; 19. Vacuum pump; 20. Extraction pipe; 21. Second electric slide rail; 22. Electric telescopic rod; 23. Vacuum suction cup. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Example 1:

[0025] Please see Figures 1 to 5 As shown, a cardboard box palletizing machine includes a base 1, a conveyor belt 2 inside the base 1, a material drop chute 3 inside the base 1, a high-pressure air pump 4 fixedly connected to the bottom end of the surface of the base 1, an air inlet fixedly connected to the air inlet of the high-pressure air pump 4, and an air supply pipe 5 fixedly connected to the air outlet of the high-pressure air pump 4. A distribution pipe 6 is fixedly connected and passes through the inside of the base 1, and the bottom end of the air supply pipe 5 is fixedly connected and passes through the inside of the distribution pipe 6. Four connecting pipes 7 are fixedly connected and pass through the inside of the distribution pipe 6. A bearing plate 8 is fixedly connected to the bottom end of the inner side wall of the material drop chute 3, and the surface of the connecting pipes 7... The extrusion strip 9 is fixed and penetrates the interior of the support plate 8. Four extrusion strips 9 are slidably connected inside the support plate 8. Four guide grooves 10 are opened inside the support plate 8, and the extrusion strips 9 slide inside the guide grooves 10. An extrusion disc 11 is slidably connected to the inner wall of the connecting pipe 7. An extrusion rod 12 is fixedly connected to one side of the extrusion disc 11, and the end of the extrusion rod 12 away from the extrusion disc 11 is fixedly connected to the bottom end of one side of the extrusion strip 9. A return spring 13 is fixedly connected to one side of the extrusion disc 11, and the end of the return spring 13 away from the extrusion disc 11 is fixedly connected to one side of the inner wall of the connecting pipe 7.

[0026] The conveyor belt 2 allows the processed cardboard to be transported to the base 1 for conveying purposes. The material drop chute 3 allows the cardboard to be stacked inside. The high-pressure air pump 4 allows gas to be transported through the air supply pipe 5 to the interior of the air distribution pipe 6, and then from the air distribution pipe 6 into the interior of the four connecting pipes 7. The bearing plate 8 allows the connecting pipes 7 to pass through its interior, facilitating the subsequent movement of the extrusion strips 9 inside the guide groove 10, which then extrudes the cardboard around its perimeter. When the high-pressure gas enters the interior of the connecting pipe 7, it pre-extrudes the extrusion plate 11 inside, which then extrudes the return spring 13. At this time, the extrusion plate 11 drives the extrusion rod 12 to move to the right, thereby causing the extrusion strips 9 to move. At this time, the four extrusion strips 9 move synchronously, thereby extruding the cardboard into a neat shape.

[0027] The top of the support plate 8 is connected to the support plate 14. Both ends of one side of the support plate 14 are fixedly connected to the insertion block 15. The insertion block 15 has an insertion groove inside. The extrusion strip 9 only slides inside the guide groove 10. When the support plate 14 moves upward, it will continuously pass through the surface of the extrusion strip 9 and eventually move out of the material discharge groove 3.

[0028] The support plate 8 allows the pallet 14 to be positioned on top of it. Short rods are fixedly connected to the edges of the top four sides of the support plate 8. Insertion holes are opened around the bottom four sides of the pallet 14, and the short rods pass through the interior of the insertion holes. The depth of the insertion holes is limited, and the short rods do not completely penetrate the interior, but only serve to support and separate. Four guide grooves 10 are also opened inside the pallet 14, and their positions correspond to the guide grooves 10 inside the support plate 8, ensuring the stable movement of the compression strip 9. The insertion block 15 allows the insertion groove to be opened, which facilitates the insertion of the forks in front of the forklift into its interior, lifting the pallet 14. The insertion groove and the interior of the pallet 14 are interconnected to a certain depth, which facilitates the stable insertion of the forks.

[0029] Two vertical slots 16 are provided on one side of the base 1, and the plug block 15 slides on the inner side wall of the vertical slot 16.

[0030] The vertical groove 16 allows the insertion block 15 to slide inside it, thereby stabilizing and guiding the pallet 14 when it is lifted.

[0031] A support bar is fixedly connected to the top of the surface of the base 1. A first electric slide rail 17 is fixedly connected to the top of the support bar. A movable plate 18 is fixedly connected to the top of the first electric slide rail 17. A vacuum pump 19 is fixedly connected to one side of the top of the movable plate 18. An extraction pipe 20 is fixedly connected to the air inlet end of the vacuum pump 19. An exhaust port is fixedly connected to the air outlet end of the vacuum pump 19.

[0032] The support bar allows the first electric slide rail 17 to be fixed, and the first electric slide rail 17 can drive the moving plate 18 to move left and right, thereby driving the vacuum pump 19 to move. The vacuum pump 19 can extract gas through the extraction tube 20.

[0033] The inner top wall of the movable plate 18 is fixedly connected to a second electric slide rail 21, and an electric telescopic rod 22 is slidably connected inside the second electric slide rail 21. The output end of the electric telescopic rod 22 is fixedly connected to a vacuum suction cup 23.

[0034] The vacuum suction cup 23 has a suction port fixed to one side of its top, and the bottom end of the extraction tube 20 is fixedly connected to the inside of the suction port.

[0035] The second electric slide rail 21 drives the electric telescopic rod 22 to move back and forth laterally, adjusting the position of the vacuum suction cup 23. The extraction tube 20 is internally connected to the vacuum suction cup 23 to achieve the purpose of extracting gas. The air extraction port facilitates better connection of the extraction tube 20, keeping its interior vacuum, so that the carton board moves under the vacuum suction cup 23 and is sucked in. The electric telescopic rod 22 drives the vacuum suction cup 23 to rise and fall a certain distance.

[0036] A control panel is fixedly connected to the top of one side of the base 1, and the control panel is electrically connected to the high-pressure air pump 4, the first electric slide rail 17, the vacuum pump 19, the second electric slide rail 21 and the electric telescopic rod 22 respectively.

[0037] The working principle of this utility model is as follows: The operator places the pallet 14 into the material drop trough 3 beforehand, while simultaneously allowing the insertion block 15 to slide downwards through the vertical groove 16. At this time, the finished cardboard is conveyed to the base 1 via the conveyor belt 2. The operator controls the first electric slide rail 17, the second electric slide rail 21, the electric telescopic rod 22, the vacuum pump 19, and the high-pressure air pump 4. The first electric slide rail 17 moves the moving plate 18 towards the conveyor belt 2 until it reaches above the cardboard. Then, the operator controls the second electric slide rail 21, causing the electric telescopic rod 22 to move the vacuum suction cup 23 directly above the cardboard. The electric telescopic rod 22 then lowers the vacuum suction cup 23, bringing it into contact with the top of the cardboard. At this point, the vacuum pump 19 operates, drawing air through the extraction pipe 20 from the extraction port, thus removing the gas from inside the vacuum suction cup 23 and maintaining a vacuum at the point of contact with the cardboard, thereby attracting it. Subsequently, the first electric slide rail 17 moves towards the material drop trough 3, and the vacuum suction cup 23 moves the cardboard to... When the cardboard is above the drop chute 3, the operator controls the electric telescopic rod 22 to descend, causing the cardboard to fall onto the pallet 14. This process is repeated to place more cardboard onto the pallet 14 inside the drop chute 3. After a certain amount is placed, the operator controls the high-pressure air pump 4 to operate, delivering high-pressure gas into the distribution pipe 6. The gas then enters the four connecting pipes 7 through the distribution pipe 6. When the high-pressure gas enters the connecting pipes 7, it pre-presses the extrusion plate 11, which then presses the return spring 13. Simultaneously, the extrusion plate 11 moves the extrusion rod 12 to the right, causing the extrusion strip 9 to be pressed. This presses the cardboard onto the pallet 14 around its perimeter, keeping it centered and neat. The operator then inserts the forks of the forklift into the insertion slots inside the insertion block 15 and continuously lifts the pallet 14 upwards, allowing it to pass through the drop chute 3 and be placed in the appropriate position. Finally, a new pallet 14 is placed into the drop chute 3.

[0038] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A palletizer for discharging cardboard boxes, characterized in that, include: A base (1) is provided with a conveyor belt (2) inside the base (1). A material drop trough (3) is provided inside the base (1). A high-pressure air pump (4) is fixedly connected to the bottom end of the surface of the base (1). An air inlet is fixedly connected to the air inlet of the high-pressure air pump (4). An air supply pipe (5) is fixedly connected to the outlet of the high-pressure air pump (4). A gas distribution pipe (6) is fixedly connected inside the base (1) and passes through it. The bottom end of the air supply pipe (5) is fixedly connected to the inside of the gas distribution pipe (6). Four connecting pipes (7) are fixedly connected inside the gas distribution pipe (6). A bearing plate (8) is fixedly connected to the bottom end of the inner wall of the material drop trough (3). The surface of the connecting pipe (7) is fixedly connected to the bearing plate. Inside (8), four extrusion strips (9) are slidably connected inside the bearing plate (8). Four guide grooves (10) are opened inside the bearing plate (8), and the extrusion strips (9) slide inside the guide grooves (10). An extrusion disc (11) is slidably connected to the inner wall of the connecting tube (7). An extrusion rod (12) is fixedly connected to one side of the extrusion disc (11), and the end of the extrusion rod (12) away from the extrusion disc (11) is fixedly connected to the bottom end of one side of the extrusion strip (9). A return spring (13) is fixedly connected to one side of the extrusion disc (11), and the end of the return spring (13) away from the extrusion disc (11) is fixedly connected to one side of the inner wall of the connecting tube (7).

2. The palletizer for cardboard box unloading according to claim 1, characterized in that: The top of the support plate (8) is connected to a support plate (14), and both ends of one side of the support plate (14) are fixedly connected to plug blocks (15), and the plug blocks (15) have plug slots inside.

3. A palletizer for cardboard box unloading according to claim 2, characterized in that: Two vertical grooves (16) are provided on one side of the base (1), and the plug block (15) slides on the inner side wall of the vertical groove (16).

4. A palletizer for cardboard box unloading according to claim 1, characterized in that: A support bar is fixedly connected to the top of the surface of the base (1), a first electric slide rail (17) is fixedly connected to the top of the support bar, a moving plate (18) is fixedly connected to the top of the first electric slide rail (17), a vacuum pump (19) is fixedly connected to one side of the top of the moving plate (18), an extraction pipe (20) is fixedly connected to the air inlet end of the vacuum pump (19), and an exhaust port is fixedly connected to the air outlet end of the vacuum pump (19).

5. A palletizer for discharging cartons according to claim 4, characterized in that: The inner top wall of the movable plate (18) is fixedly connected to a second electric slide rail (21), and an electric telescopic rod (22) is slidably connected inside the second electric slide rail (21). The output end of the electric telescopic rod (22) is fixedly connected to a vacuum suction cup (23).

6. A palletizer for cardboard box unloading according to claim 5, characterized in that: The vacuum suction cup (23) has a suction port fixed to one side of its top, and the bottom end of the extraction tube (20) is fixedly connected to the inside of the suction port.

7. A palletizer for cardboard box unloading according to claim 5, characterized in that: A control panel is fixedly connected to the top of one side of the base (1), and the control panel is electrically connected to the high-pressure air pump (4), the first electric slide rail (17), the vacuum pump (19), the second electric slide rail (21) and the electric telescopic rod (22).

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