A box folding machine

Abstract

The utility model discloses a kind of folding box machines, including support frame and placing plate, the inside of support frame is provided with placing plate, the top of placing plate is provided with first cylinder, and the output end of first cylinder is provided with suction cup frame, the inside movable mounting of support frame in first cylinder side is provided with second cylinder, and the output end movable mounting of second cylinder is provided with swing plate, the side of swing plate close to support frame is provided with pin shaft, and swing plate is movably connected with support frame by pin shaft, the top of support frame is provided with bearing frame, the top of support frame in bearing frame side is provided with placing rack, third cylinder is provided on the side wall of placing rack. The utility model not only realizes the pressure to carton continuously to facilitate suction cup to carton adsorption feeding, facilitate to the box body is positioned to avoid displacement when folding box assembly and the quick assembly to the box body, and the flow of carton feeding and processing convenience are improved.

Description

Technical Field

[0001] This utility model relates to the field of paper box folding equipment technology, specifically a folding machine. Background Technology

[0002] A cardboard box is a three-dimensional shape, composed of a polyhedron formed by moving, stacking, folding, and enclosing several faces. The faces in this three-dimensional structure divide space through techniques such as cutting, rotating, and folding; different face shapes can convey different visual emotions. Cardboard box design requires attention to the connection between the display surface, sides, and top and bottom, while also rationally placing packaging information elements. After initial production, the cardboard box needs to be folded into shape. Traditionally, folding is done manually, but this is inefficient. To fold the cardboard box more quickly, a folding machine is needed. Folding boxes are mechanical devices used to fold and glue cardboard or plastic box materials to form paper boxes or plastic boxes. They are widely used in the packaging industry. Folding boxes fold and glue flat cardboard or plastic box blanks through mechanical actions to finally form paper boxes or plastic boxes with specific shapes. Some models are equipped with functions such as creasing, die-cutting, and gluing, which can complete the entire process from raw materials to finished products. However, when feeding traditional box folding machines, if the number of boxes decreases and the weight of the boxes is insufficient, the suction cups may fail to hold the boxes in place. Furthermore, the boxes are prone to displacement during the folding process, resulting in poor stability. To address this issue, a new box folding machine has been proposed.

[0003] For example, a box folding machine disclosed in authorization announcement number CN221851317U includes a box body and folding parts located at both ends of the box body. The folding parts include two side tongues and a base tongue fixed to the box body and foldable, as well as a snap-on tongue fixed to the base tongue and foldable. The box folding machine includes a frame, and a material transfer mechanism, a box opening mechanism, a box folding mechanism and a material feeding mechanism disposed on the frame. The box folding mechanism includes a base tongue folding mechanism, a snap-on tongue folding mechanism and two side tongue folding mechanisms. Although it achieves the following: placing the cardboard box to be unfolded on the storage rack, then the transfer mechanism moves the cardboard box to the processing station, then the opening mechanism changes the cardboard box from a flat state to an open state, then the folding mechanism completes the folding of the folding part; finally, the unloading mechanism unloads the folded box, and so on, it realizes the automated folding of cardboard boxes. This not only improves work efficiency, but also reduces manual input and reduces the workload of operators. However, it does not solve the problems of existing folding boxes, such as the inability to continuously apply pressure to the cardboard box to facilitate suction cup adsorption and feeding, the inability to limit the box body to prevent displacement during folding and assembly, and the inability to quickly assemble the box body, which affects the smoothness of cardboard box feeding and the convenience of processing. Utility Model Content

[0004] The purpose of this utility model is to provide a folding box machine to solve the problems mentioned in the background art, such as the inconvenience of continuously applying pressure to the cardboard box to facilitate the suction cup to absorb and feed the cardboard box, the difficulty in limiting the box body to prevent displacement during folding and assembly, and the inconvenience of rapid assembly of the box body, which affect the smoothness of cardboard box feeding and the convenience of processing.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a box folding machine, comprising a support frame and a placement plate, wherein the placement plate is disposed inside the support frame, a first cylinder is disposed at the top of the placement plate, and a suction cup frame is disposed at the output end of the first cylinder, a second cylinder is movably mounted inside the support frame on one side of the first cylinder, and a swing plate is movably mounted at the output end of the second cylinder, a pin is disposed on the side of the swing plate near the support frame, and the swing plate is movably connected to the support frame via the pin, a bearing frame is disposed at the top of the support frame, and a bearing frame is disposed on one side of the bearing frame. A placement frame is provided at the top of the support frame. A third cylinder is provided on the side wall of the placement frame, and a discharge frame is provided at the output end of the third cylinder. A fourth cylinder is provided at the top of the placement frame, and a pressure block is installed at the output end of the fourth cylinder. Servo motors are provided at the top of the support frames on both sides of the swing plate, and swing blocks are installed at the output ends of the servo motors. A fifth cylinder and a first limiting plate are respectively provided at the top of the support frame on one side of the two sets of servo motors. A moving plate is provided at the output end of the fifth cylinder, and a limiting mechanism is symmetrically provided at the top of the support frame on one side of the fifth cylinder.

[0006] Preferably, a third limiting plate is provided on the inner wall of the support frame, and the upper and lower positions of the third limiting plate correspond to those of the first limiting plate.

[0007] Preferably, three sets of second limiting plates are provided on the inner wall of the support frame on one side of the third limiting plate, and each of the second limiting plates is provided with a limiting buckle at its bottom.

[0008] Preferably, the top of the support frame is provided with a lead screw drive mechanism, and a slide bar is provided on the top of the support frame on one side of the lead screw drive mechanism, and a threaded sleeve is provided on the power output end of the lead screw drive mechanism.

[0009] Preferably, a sliding sleeve is slidably provided on the surface of the slide rod, and a pressure bracket is provided on the side wall of the sliding sleeve.

[0010] Preferably, the lower pressure frame is provided with a movable shaft at one end near the sliding sleeve, and the lower pressure frame is movably connected to the sliding sleeve through the movable shaft.

[0011] Preferably, a locking pin is provided on the side wall of the threaded sleeve, and the locking pin extends through the threaded sleeve into the interior of the lower pressure frame, and the locking pin is threadedly connected to the lower pressure frame.

[0012] Preferably, a PLC controller is provided on the outer wall of the support frame, and the output terminal of the PLC controller is electrically connected to the input terminals of the first cylinder, the second cylinder, the third cylinder, the fourth cylinder, the fifth cylinder, the servo motor, the limit mechanism, and the lead screw drive mechanism.

[0013] Compared with the prior art, the beneficial effects of this utility model are: the folding box machine not only realizes the continuous application of pressure to the paper box to facilitate the suction cup to absorb and feed the paper box, but also facilitates the limiting of the box body to avoid displacement during folding and assembly and the rapid assembly of the box body, and improves the smoothness of paper box feeding and the convenience of processing. (1) After the paper box is produced, it is folded together. At this time, multiple sets of folded paper boxes are placed in the carrier frame in sequence. The second and third limiting plates limit the paper box. The limiting buckle holds the paper box. After the paper boxes are stacked, the lower pressing frame is rotated. The lower pressing frame rotates around the movable shaft so that the other end of the lower pressing frame is embedded in the inside of the threaded sleeve. The locking pin passes through the threaded sleeve and is inserted into the inside of the lower pressing frame so that the lower pressing frame and the threaded sleeve are connected. The screw drive mechanism drives the threaded sleeve to move downward. The threaded sleeve drives the lower pressing frame to move downward. The lower pressing frame continuously applies downward pressure to the paper box. This pressure is less than the bearing capacity of the limiting buckle, so as to avoid the situation where the suction cup cannot hold the paper box due to the reduction in the number of paper boxes. The above design can continuously apply pressure to the paper box to avoid the situation where the suction cup cannot hold the paper box, and ensure the smooth feeding of the paper box. (2) The first cylinder drives the suction cup frame to move upward. The suction cup frame is connected to the external air source through a flexible hose. The suction cup frame contacts the bottom surface of the cardboard box and adsorbs the cardboard box. Then, the first cylinder is opened in the opposite direction, and the first cylinder drives the suction cup frame to move downward. The suction cup frame drives the cardboard box to move downward. Under the limiting action of the limiting buckle, when the cardboard box passes the limiting buckle, it will unfold the two folded cardboard boxes with a certain gap. The cardboard box with a certain gap falls on the surface of the support frame. The fifth cylinder drives the moving plate to move. Under the limiting action of the first limiting plate, the moving plate drives the cardboard box to move and deform the cardboard box, thereby forming the cardboard box. At the same time, the limiting mechanism is opened, and the limiting mechanism limits the position of the cardboard box. The limiting mechanism consists of a cylinder and a linkage rod. The servo motor drives the swing block to rotate. The two sets of swing blocks rotate in opposite directions. The swing blocks drive the two sides of the cardboard box. The first ear rotates and fits the side ear against the box body. The fourth cylinder drives the pressure block to move, which in turn drives the upper ear of the cardboard box to rotate, fitting it against the box body. The second cylinder drives the swing plate to rotate around the pin, which in turn drives the lower ear of the cardboard box to rotate, fitting it against the box body. While the swing plate is rotating the lower ear of the cardboard box, a limiting mechanism can limit the box body to prevent it from moving. Once the side ear and upper and lower ear of the cardboard box are fitted, the folding of the cardboard box is complete. Afterward, the limiting mechanism is closed and reset, moving away from the cardboard box body. The third cylinder drives the discharge rack to move, which in turn moves and outputs the folded cardboard box, thus completing the folding process. This design allows for automatic folding and assembly of the cardboard box, and the box body can be limited to prevent displacement during folding and assembly, improving the convenience and stability of the cardboard box folding process. Attached Figure Description

[0014] Figure 1 This is a three-dimensional structural diagram of the present invention; Figure 2 This is a frontal cross-sectional view of the present invention. Figure 3 This is a three-dimensional structural diagram of the support frame of this utility model; Figure 4 This is a side sectional view of the support frame of this utility model. Figure 5 This is a three-dimensional structural diagram of the pressure frame of this utility model.

[0015] In the diagram: 1. Support frame; 2. PLC controller; 3. Placement plate; 4. Bearing frame; 5. First cylinder; 6. Movable shaft; 7. Second cylinder; 8. Swing plate; 9. Third limit plate; 10. Pin shaft; 11. Placement frame; 12. Third cylinder; 13. Discharge frame; 14. Fourth cylinder; 15. Pressing block; 16. Suction cup frame; 17. First limit plate; 18. Servo motor; 19. Swing block; 20. Fifth cylinder; 21. Moving plate; 22. Limiting mechanism; 23. Lower pressing frame; 24. Screw drive mechanism; 25. Sliding rod; 26. Locking pin; 27. Sliding sleeve; 28. Second limit plate; 29. ​​Limit buckle; 30. Threaded sleeve. Detailed Implementation

[0016] To further illustrate the technical means and effects adopted by this utility model in order to achieve the intended utility model purpose, the following detailed description of the specific implementation methods, structure, features and effects of this utility model is provided in conjunction with the accompanying drawings and preferred embodiments.

[0017] Please see Figure 1-5 This utility model provides an embodiment of a box folding machine, including a support frame 1 and a placement plate 3. The placement plate 3 is disposed inside the support frame 1. A first cylinder 5 is disposed at the top of the placement plate 3, and a suction cup frame 16 is disposed at the output end of the first cylinder 5. A second cylinder 7 is movably installed inside the support frame 1 on one side of the first cylinder 5, and a swing plate 8 is movably installed at the output end of the second cylinder 7. A pin 10 is disposed on the side of the swing plate 8 near the support frame 1, and the swing plate 8 is movably connected to the support frame 1 via the pin 10. A bearing frame 4 is disposed at the top of the support frame 1, and a placement frame 11 is disposed at the top of the support frame 1 on one side of the bearing frame 4. A third cylinder 12 is provided on the side wall of the placement frame 11, and a discharge frame 13 is provided at the output end of the third cylinder 12. A fourth cylinder 14 is provided at the top of the placement frame 11, and a pressure block 15 is installed at the output end of the fourth cylinder 14. Servo motors 18 are provided at the top of the support frames 1 on both sides of the swing plate 8, and swing blocks 19 are installed at the output ends of the servo motors 18. A fifth cylinder 20 and a first limiting plate 17 are respectively provided at the top of the support frames 1 on one side of the two sets of servo motors 18. A moving plate 21 is provided at the output end of the fifth cylinder 20, and a limiting mechanism 22 is symmetrically provided at the top of the support frames 1 on one side of the fifth cylinder 20. In this utility model, the PLC controller 2 is a Siemens S7-200, which is a mature existing technology. Therefore, its internal structure, working principle, and connection and control method with the electrical components in this application will not be described in detail. After the cardboard boxes are produced, they are folded together. At this time, multiple sets of folded cardboard boxes are placed inside the support frame 4 in sequence. The second limiting plate 28 and the third limiting plate 9 limit the cardboard boxes, and the limiting buckle 29 holds the cardboard boxes. After the cardboard boxes are stacked, the lower pressing frame 23 is rotated. The lower pressing frame 23 rotates around the movable shaft 6, so that the other end of the lower pressing frame 23 is inserted into the threaded sleeve 30, and the locking pin is engaged. 26 passes through the threaded sleeve 30 and is inserted into the lower pressure frame 23, so that the lower pressure frame 23 and the threaded sleeve 30 are connected. Then, the screw drive mechanism 24 is opened, and the screw drive mechanism 24 drives the threaded sleeve 30 to move downward. Under the sliding cooperation of the sliding sleeve 27 and the sliding rod 25, the threaded sleeve 30 drives the lower pressure frame 23 to move downward. The lower pressure frame 23 continuously applies downward pressure to the paper box. This pressure is less than the bearing capacity of the limit buckle 29, so as to avoid the situation that the suction cup cannot hold the paper box due to the reduction of the number of paper boxes. The above design can continuously apply pressure to the paper box to avoid the situation that the suction cup cannot hold the paper box, thus ensuring the smooth feeding of the paper box. A third limiting plate 9 is provided on the inner wall of the support frame 4, and the upper and lower positions of the third limiting plate 9 correspond to those of the first limiting plate 17. Three sets of second limiting plates 28 are provided on the inner wall of the support frame 4 on one side of the third limiting plate 9, and each of the second limiting plates 28 is provided with a limiting buckle 29 at the bottom. The top of the support frame 4 is provided with a screw drive mechanism 24, and a slide rod 25 is provided on the top of the support frame 4 on one side of the screw drive mechanism 24. The power output end of the screw drive mechanism 24 is provided with a threaded sleeve 30. A sliding sleeve 27 is slidably provided on the surface of the sliding rod 25, and a lower pressure frame 23 is provided on the side wall of the sliding sleeve 27. A movable shaft 6 is provided at one end of the lower pressure frame 23 near the sliding sleeve 27, and the lower pressure frame 23 is movably connected to the sliding sleeve 27 through the movable shaft 6. A locking pin 26 is provided on the side wall of the threaded sleeve 30, and the locking pin 26 extends through the threaded sleeve 30 to the interior of the lower pressure frame 23, and the locking pin 26 is threadedly connected to the lower pressure frame 23. A PLC controller 2 is provided on the outer wall of the support frame 1, and the output end of the PLC controller 2 is electrically connected to the input end of the first cylinder 5, the second cylinder 7, the third cylinder 12, the fourth cylinder 14, the fifth cylinder 20, the servo motor 18, the limit mechanism 22, and the lead screw drive mechanism 24. Then, the first cylinder 5 is opened, causing the suction cup holder 16 to move upward. The suction cup holder 16 is connected to an external air source via a flexible hose. The suction cup holder 16 contacts the bottom surface of the cardboard box and adheres to it. Then, the first cylinder 5 is opened in reverse, causing the suction cup holder 16 to move downward. The suction cup holder 16 then moves the cardboard box downward. With the limiting buckle 29 in place, as the cardboard box passes the limiting buckle 29, the two folded layers of the cardboard box will unfold with a certain gap. The cardboard box with the gap opened will fall onto the support frame 1. The surface is then cleaned, and then the fifth cylinder 20 is opened, which drives the moving plate 21 to move. Under the limiting action of the first limiting plate 17, the moving plate 21 drives the paper box to move and deform, thereby forming the paper box. At the same time, the limiting mechanism 22 is opened to limit the position of the paper box's port. The limiting mechanism 22 consists of a cylinder and a connecting rod. Then, the two sets of servo motors 18 are opened, which drive the swing block 19 to rotate. The two sets of swing blocks 19 rotate in opposite directions, and the swing blocks 19 drive the paper box to move. The two side ears of the movable cardboard box rotate and fit against the box body. Then, the fourth cylinder 14 is opened, which drives the pressure block 15 to move. The pressure block 15 drives the upper ear of the cardboard box to rotate and fit against the box body. Then, the second cylinder 7 is opened, which drives the swing plate 8 to rotate around the pin 10. The swing plate 8 drives the lower ear of the cardboard box to rotate and fit against the box body. When the swing plate 8 drives the lower ear of the cardboard box to rotate, the limiting mechanism 22 can limit the box body to prevent the box body from moving. Furthermore, once the side ears and upper and lower ears of the cardboard box are properly attached, the folding of the cardboard box is completed. Then, the limiting mechanism 22 is closed and reset away from the cardboard box body. The third cylinder 12 is then opened, which drives the discharge rack 13 to move. The discharge rack 13 then moves and outputs the folded cardboard box, thus completing the folding process. The above design allows for automatic folding and assembly of the cardboard box and limits the box body to prevent displacement during folding and assembly, improving the convenience and stability of the cardboard box folding process.

[0018] Working principle: After production, the cardboard boxes are folded together. Multiple sets of folded cardboard boxes are placed sequentially inside the support frame 4. The second limiting plate 28 and the third limiting plate 9 limit the cardboard boxes, and the limiting buckle 29 holds the boxes in place. After the cardboard boxes are stacked, the lower pressing frame 23 is rotated. The lower pressing frame 23 rotates around the movable shaft 6, causing its other end to embed into the threaded sleeve 30. The locking pin 26 passes through the threaded sleeve 30 and is inserted into the lower pressing frame 23, completing the connection between the lower pressing frame 23 and the threaded sleeve 30. The screw drive mechanism 24 drives the threaded sleeve 30 downwards, and the threaded sleeve 30... The lower pressure bracket 23 moves downward, continuously applying downward pressure to the cardboard box. This pressure is less than the bearing capacity of the limit buckle 29, thus preventing the suction cup from failing to hold the cardboard box due to a reduction in the number of boxes. The first cylinder 5 drives the suction cup bracket 16 upward. The suction cup bracket 16 is connected to an external air source via a flexible hose. The suction cup bracket 16 contacts the bottom surface of the cardboard box and adheres to it. Then, the first cylinder 5 is opened in the reverse direction, driving the suction cup bracket 16 downward. The suction cup bracket 16 then moves the cardboard box downward. When the cardboard box passes the limit buckle 29, the two folded layers of the cardboard box will unfold to a certain extent. The cardboard box, with a certain gap, falls onto the surface of the support frame 1. The fifth cylinder 20 drives the moving plate 21 to move, which in turn moves the cardboard box and deforms it, thus forming the cardboard box. A limiting mechanism 22, composed of a cylinder and a connecting rod, limits the position of the cardboard box's ends. A servo motor 18 drives the swing block 19 to rotate; two sets of swing blocks 19 rotate in opposite directions. The swing blocks 19 cause the two side ears of the cardboard box to rotate and fit against the box body. The fourth cylinder 14 drives the pressure block 15 to move, which in turn causes the upper ear of the cardboard box to rotate and fit against the box body. The second cylinder 7 drives the swing plate 8 to rotate around the pin 10. The swing plate 8 drives the lower ear of the cardboard box to rotate, so that the lower ear of the cardboard box is attached to the box body. When the swing plate 8 drives the lower ear of the cardboard box to rotate, the limiting mechanism 22 can limit the box body to prevent the box body from moving. When the side ear and the upper and lower ear of the cardboard box are attached, the folding of the cardboard box is completed. Then the limiting mechanism 22 is closed and resets away from the cardboard box body. The third cylinder 12 drives the discharge rack 13 to move. The discharge rack 13 drives the folded cardboard box to move and output, thus completing the folding processing of the cardboard box. The above is the complete usage of the folding machine.

[0019] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any way. Although the present utility model has been disclosed above with reference to a preferred embodiment, it is not intended to limit the present utility model. Any person skilled in the art can make some modifications or alterations to the above-disclosed technical content to create equivalent embodiments without departing from the scope of the present utility model. Any indirect modifications, equivalent changes, and alterations made to the above embodiments based on the technical essence of the present utility model without departing from the scope of the present utility model shall still fall within the scope of the present utility model.

Claims

1. A box folding machine, comprising a support frame (1) and a placement plate (3), characterized in that: The support frame (1) is provided with a placement plate (3) inside. A first cylinder (5) is provided at the top of the placement plate (3), and a suction cup frame (16) is provided at the output end of the first cylinder (5). A second cylinder (7) is movably installed inside the support frame (1) on one side of the first cylinder (5), and a swing plate (8) is movably installed at the output end of the second cylinder (7). A pin (10) is provided on the side of the swing plate (8) near the support frame (1), and the swing plate (8) is movably connected to the support frame (1) through the pin (10). A bearing frame (4) is provided at the top of the support frame (1), and a placement frame (11) is provided at the top of the support frame (1) on one side of the bearing frame (4). The side wall of the placement frame (11) is provided with A third cylinder (12) is provided, and a discharge rack (13) is provided at the output end of the third cylinder (12). A fourth cylinder (14) is provided at the top of the placement rack (11), and a pressure block (15) is installed at the output end of the fourth cylinder (14). A servo motor (18) is provided at the top of the support frame (1) on both sides of the swing plate (8), and a swing block (19) is installed at the output end of the servo motor (18). A fifth cylinder (20) and a first limiting plate (17) are respectively provided at the top of the support frame (1) on one side of the two sets of servo motors (18). A moving plate (21) is provided at the output end of the fifth cylinder (20), and a limiting mechanism (22) is symmetrically provided at the top of the support frame (1) on one side of the fifth cylinder (20).

2. The box folding machine according to claim 1, characterized in that: The inner wall of the support frame (4) is provided with a third limiting plate (9), and the upper and lower positions of the third limiting plate (9) correspond to those of the first limiting plate (17).

3. A box folding machine according to claim 2, characterized in that: Three sets of second limiting plates (28) are provided on the inner wall of the support frame (4) on one side of the third limiting plate (9), and the bottom end of each second limiting plate (28) is provided with a limiting buckle (29).

4. A box folding machine according to claim 1, characterized in that: The top of the support frame (4) is provided with a screw drive mechanism (24), and a slide rod (25) is provided on the top of the support frame (4) on one side of the screw drive mechanism (24), and a threaded sleeve (30) is provided on the power output end of the screw drive mechanism (24).

5. A box folding machine according to claim 4, characterized in that: The slide rod (25) is slidably provided with a slide sleeve (27), and a lower pressure frame (23) is provided on the side wall of the slide sleeve (27).

6. A box folding machine according to claim 5, characterized in that: The lower pressure frame (23) is provided with a movable shaft (6) at one end near the sliding sleeve (27), and the lower pressure frame (23) is movably connected to the sliding sleeve (27) through the movable shaft (6).

7. A box folding machine according to claim 4, characterized in that: A locking pin (26) is provided on the side wall of the threaded sleeve (30), and the locking pin (26) extends through the threaded sleeve (30) to the interior of the lower pressure frame (23), and the locking pin (26) is threadedly connected to the lower pressure frame (23).

8. A box folding machine according to claim 1, characterized in that: A PLC controller (2) is provided on the outer wall of the support frame (1), and the output end of the PLC controller (2) is electrically connected to the input end of the first cylinder (5), the second cylinder (7), the third cylinder (12), the fourth cylinder (14), the fifth cylinder (20), the servo motor (18), the limit mechanism (22), and the lead screw drive mechanism (24).

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