Packaging box folding and sealing machine

Abstract

The invention relates to the technical field of packaging equipment, in particular to a packaging box folding and sealing machine which comprises a square frame and an inner frame installed on the inner side of the square frame, the square frame is provided with two first side plates opposite in position and two second side plates opposite in position, and the two first side plates and the two second side plates are located on the four edges of the square frame respectively. A first spray head is arranged on the first side plate, a second spray head is arranged on the second side plate, and two sets of adjusting structures are oppositely arranged on the inner frame. By means of the mode that the two long edges of the packaging box are unfolded outwards firstly, the two short edges on the packaging box can be folded inwards smoothly, the phenomenon that the short edges are shielded and hindered by the long edges is avoided, and smooth folding and sealing work of the packaging box is guaranteed; and the requirement for the placing direction of the packaging box in the conveying process can be lowered, so that it is guaranteed that folding and sealing work of the packaging box is completed smoothly, and the application range of equipment is greatly widened.

Description

Technical Field

[0001] The invention relates to the technical field of packaging equipment, in particular to a packaging box folding and sealing machine. Background Art

[0002] With the rapid development of e-commerce, the logistics industry has also ushered in unprecedented growth. In this context, commodity packaging and transportation have become a vital link in the logistics chain. In order to improve the packaging efficiency of workshop production commodities, reduce labor costs, and ensure the safety and integrity of goods, the demand for automated packaging equipment is increasing. When traditional packaging equipment is working, the conveyor belt transports the packaging box to a lifting plate position in the packaging equipment. The plate presses down one short side of the box opening, and then another cylinder-controlled plate on the packaging equipment presses down the other short side of the box. Then, as the box is transported, it is transported by the cylinder. Two side pressure plates located on the sides press down the two long sides of the packaging box so that the long sides are pressed on the short sides, thereby completing the sealing and folding work of the packaging box, and then it can be glued with tape. When using this packaging equipment, the packaging box needs to be in a horizontal state for transportation, that is, the horizontal connection line of the two short sides of the packaging box needs to be parallel to the transportation direction of the packaging box. When the packaging box is in a longitudinal state, it cannot be sealed and packaged. At the same time, the two short sides need to be located on the inner side of the two long sides, and the two long sides cannot be located on the inner side of the two short sides. Otherwise, the short sides will be blocked by the long sides and cannot bend first. It can be seen that the use of traditional packaging equipment is greatly restricted. Summary of the invention

[0003] In order to solve the above technical problems, the present invention provides a packaging box folding and sealing machine, the specific technical solution adopted by the present invention is: According to a first aspect of the present invention, a packaging box folding and sealing machine is provided, comprising a square frame and an inner frame installed inside the square frame, the frame is provided with two first side panels and two second side panels that are opposite to each other, the two first side panels and the two second side panels are respectively located on four sides of the square frame, the first side panel is provided with a first nozzle, the second side panel is provided with a second nozzle, two groups of adjustment structures are oppositely arranged on the inner frame, a third nozzle is arranged at the lower movable end of the adjustment structure, and a pressure-feeding structure for pressing down the long side of the folded packaging box is arranged on the frame; Among them, the adjustment structure is used to adjust the spraying direction of the third nozzle, the first side panel and the second side panel are both inclined, the third nozzle is used to blow the long side of the packaging box toward the outside of the packaging box, the first nozzle is used to blow the short side of the packaging box toward the inside of the packaging box, and the second nozzle is used to blow the long side of the packaging box toward the inside of the packaging box.

[0004] Further, the adjustment structure includes a cone wheel rotatably mounted on the outer wall of the inner frame, two adjustment rods are vertically arranged on the outer wall of the cone wheel, and the cone wheel is transmission-connected with the adjustment rod, a connecting shaft is rotatably arranged at the bottom of the adjustment rod, a guide air pipe is arranged between the two connecting shafts, and the third nozzle is mounted on the guide air pipe; When the cone wheel rotates, the two adjusting rods move synchronously at different speeds.

[0005] Furthermore, one end of the guide air pipe passes through a connecting shaft and is fixedly connected to each other, the third nozzle is connected and installed on the end of the guide air pipe, and the other end of the guide air pipe slides through another connecting shaft.

[0006] Furthermore, a support plate is provided at the end of the cone wheel, and the support plate moves relative to the cone wheel. A fixing plate is provided on the support plate, and two slide seats are fixed on the fixing plate. The two slide seats are respectively vertically slidably connected to the outer walls of the two adjusting rods.

[0007] Furthermore, the fixing plate passes through the supporting plate and is slidably connected to each other, the supporting plate and the fixing plate are fastened to each other by locking bolts, and when the fixing plate slides on the supporting plate, the adjusting rod and the cone wheel maintain a transmission state.

[0008] Furthermore, a helical gear column is rotatably arranged in the inner frame, two helical gears are meshed on the helical gear column, the two helical gears are respectively transmission-connected to two bevel wheels, and a motor is fixed on the outer wall of the helical gear column, which is transmission-connected to a helical gear.

[0009] Furthermore, the pressure-feeding structure includes a moving frame located above the square frame, the moving frame is connected to the square frame through a plurality of cylinders, a plurality of vertical rods are arranged at the bottom of the moving frame, the vertical rods slide through the square frame, and a pressure wheel is rotatably arranged at the bottom of the vertical rods; Among them, multiple pressing wheels are divided into two rows, front and back.

[0010] Furthermore, the adjustment structure also includes an insert plate arranged on the outer wall of the inner frame, the insert plate slides and inserts on the inner frame along the sliding direction of the fixed plate, two guide sleeves are arranged on the insert plate, and the two adjustment rods on the cone wheel slide through the two guide sleeves respectively.

[0011] The beneficial effects of the present invention are: By first spreading the two long sides of the packaging box outward, the two short sides of the packaging box can be smoothly folded inward, avoiding the obstruction of the long sides to the short sides, ensuring the smooth folding and sealing of the packaging box. By blowing air in sequence through the third nozzle, the first nozzle and the second nozzle, the requirements for the placement of the packaging box during transportation can be reduced, thereby successfully completing the folding and sealing of the packaging box, greatly increasing the scope of application of the equipment; by adopting the pneumatic folding method, the packaging work of the packaging box can be simpler and more convenient to operate, the structural method is simplified, and the cost investment is reduced; in summary, this new type of packaging box folding and sealing machine not only solves the limitations of traditional equipment, but also achieves significant performance improvements in many aspects, providing a more efficient, reliable and economical packaging solution for the logistics and manufacturing industries. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0013] Figure 1 It is a schematic diagram of the structure of the present invention; Figure 2 It is a schematic diagram of the frame and the structure thereon in the present invention; Figure 3 yes Figure 2 Schematic diagram of the structure viewed from above; Figure 4 yes Figure 3 Schematic diagram of explosion structure; Figure 5 yes Figure 4 A schematic diagram of the structure of the middle inner frame; Figure 6 yes Figure 5 Schematic diagram of the cross-sectional structure of the middle inner frame; Figure 7 yes Figure 5 Schematic diagram of the middle cone wheel and its results; Figure 8 yes Figure 7 Schematic diagram of the structure from another perspective.

[0014] Reference numerals: 1. Square frame; 2. Packing box; 3. First side panel; 4. Second side panel; 5. First nozzle; 6. Second nozzle; 7. Inner frame; 8. Third nozzle; 9. Cone wheel; 10. Adjustment rod; 11. Connecting shaft; 12. Guide air pipe; 13. Support plate; 14. Fixed plate; 15. Sliding seat; 16. Locking bolt; 17. Bevel column; 18. Bevel gear; 19. Motor; 20. Moving frame; 21. Cylinder; 22. Vertical rod; 23. Pressure wheel; 24. Insert plate; 25. Guide sleeve. DETAILED DESCRIPTION

[0015] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0016] In the description of the present invention, it should be noted that the orientations or positional relationships indicated by “center”, “up”, “down”, “left”, “right”, “vertical”, “horizontal”, “inside” and “outside”, etc., are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0017] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances. This embodiment is written in a progressive manner.

[0018] like Figures 1 to 8 As shown, a packaging box folding and sealing machine of the present invention comprises a square frame 1 and an inner frame 7 installed inside the square frame 1, the frame 1 is provided with two first side panels 3 opposite to each other and two second side panels 4 opposite to each other, the two first side panels 3 and the two second side panels 4 are respectively located on the four sides of the square frame 1, the first side panel 3 is provided with a first nozzle 5, the second side panel 4 is provided with a second nozzle 6, two groups of adjustment structures are relatively arranged on the inner frame 7, the lower movable end of the adjustment structure is provided with a third nozzle 8, and the frame 1 is provided with a pressure-feeding structure for pressing down the long side of the folded packaging box 2; Among them, the adjustment structure is used to adjust the spraying direction of the third nozzle 8, the first side panel 3 and the second side panel 4 are both inclined, the third nozzle 8 is used to blow the long side of the packaging box 2 toward the outside of the packaging box 2, the first nozzle 5 is used to blow the short side of the packaging box 2 toward the inside of the packaging box 2, and the second nozzle 6 is used to blow the long side of the packaging box 2 toward the inside of the packaging box 2.

[0019] In detail, the frame 1 is used to support the first side plate 3, the second side plate 4 and the inner frame 7 thereon, and the first side plate 3 and the second side plate 4 are both inclined downward and inclined toward the inside of the frame 1, so that the first nozzle 5 and the second nozzle 6 can be inclined. When the packaging box 2 is conveyed to the bottom of the frame 1, the two first nozzles 5 in the inclined state can face the two short sides of the packaging box 2, and the two second nozzles 6 in the inclined state can face the two long sides of the packaging box 2, and the first nozzle 5 and the second nozzle 6 correspond to the outside of the short side and the outside of the long side, respectively, so that the short side can be blown toward the inside of the packaging box 2 through the first nozzle 5, and the second nozzle 6 can Blow the long sides toward the inside of the packaging box 2, and the inner frame 7 can support the adjusting structure and the third nozzle 8 thereon. The adjusting structure can adjust the height and the inclination angle of the third nozzle 8. In this way, when two long sides are located on the inside of the two short sides, the third nozzle 8 can be used to blow the long sides toward the outside, thereby allowing the short sides to enter between the two long sides. At the same time, the third nozzle 8 can also blow the long sides with different inclination angles between the two short sides, that is, the third nozzle 8 can move to the bottom of the long sides and blow the long sides toward the outside. Of course, in actual operation, it is only necessary to allow the air discharged from the third nozzle 8 to act on the inner wall of the long side.

[0020] It should be pointed out here that the frame 1 and the structure thereon only need to be located above the packaging box 2, and will not affect the transportation of the packaging box 2. When the packaging box 2 is horizontally transported to the bottom of the frame 1 through the conveyor belt, the two third nozzles 8 first blow air to the inner sides of the two long sides on the two packaging boxes 2, so that the two long sides move to the outside of the two short sides, and then the two third nozzles 8 are closed. Then the two first nozzles 5 blow air to the outer sides of the two short sides, so that the two short sides are bent toward the inside of the packaging box 2, and then the two second nozzles 6 blow air to the outer sides of the two long sides, so that the two long sides are bent toward the inside of the packaging box 2. At this time, the two long sides simultaneously press the two short sides until the two long sides are closed, thereby completing the folding and sealing work of the packaging box 2. The pressure-feeding structure on the frame 1 presses down the outer sides of the two long sides to keep the packaging box 2 in a sealed state, and the conveyor belt continues to transport the packaging box 2 to the next station for tape gluing and sealing.

[0021] By first opening the two long sides of the packaging box 2 outward, the two short sides on the packaging box 2 can be smoothly folded inward, avoiding the obstruction of the long sides to the short sides, thereby ensuring the smooth folding and sealing of the packaging box 2. By blowing air in sequence through the third nozzle 8, the first nozzle 5 and the second nozzle 6, the requirements for the placement of the packaging box 2 during transportation can be reduced, thereby successfully completing the folding and sealing of the packaging box 2, greatly increasing the scope of application of the equipment; by adopting the pneumatic folding method, the packaging work of the packaging box 2 can be made simpler and more convenient to operate, the structural method is simplified, and the cost investment is reduced; in summary, this new type of packaging box folding and sealing machine not only solves the limitations of traditional equipment, but also achieves significant performance improvements in many aspects, providing a more efficient, reliable and economical packaging solution for the logistics and manufacturing industries.

[0022] Further, the adjustment structure includes a cone wheel 9 rotatably mounted on the outer wall of the inner frame 7, two adjustment rods 10 are vertically arranged on the outer wall of the cone wheel 9, and the cone wheel 9 is transmission-connected with the adjustment rod 10, a connecting shaft 11 is rotatably arranged at the bottom of the adjustment rod 10, a guide air pipe 12 is arranged between the two connecting shafts 11, and the third nozzle 8 is mounted on the guide air pipe 12; When the cone wheel 9 rotates, the two adjusting rods 10 move synchronously at different speeds.

[0023] In detail, since the cone wheel 9 is conical in shape, when the two adjustment rods 10 are transmission-connected to the outer wall of the cone wheel 9, the transmission ratio between the cone wheel 9 and each adjustment rod 10 is different, so that the two adjustment rods 10 can move synchronously at different speeds.

[0024] In the initial state, the bottom of the adjusting rod 10 with a larger transmission ratio with the cone wheel 9 is higher than the bottom of the adjusting rod 10 with a smaller transmission ratio with the cone wheel 9, so that the two adjusting rods 10 will tilt the guide air pipe 12 through the two connecting shafts 11, that is, the third nozzle 8 tilts downward. When the cone wheel 9 rotates, the adjusting rod 10 with a larger transmission ratio moves downward faster, and the two connecting shafts 11 produce relative motion. At this time, the connecting shaft 11 with a faster moving speed will gradually move from the top of the connecting shaft 11 with a slower moving speed to the bottom. In this way, the guide air pipe 12 can gradually change from tilting downward to tilting upward. During the downward movement of the third nozzle 8, its tilting direction gradually changes, thereby facilitating the blowing and pushing of the long sides of the packaging box 2 with different tilt angles.

[0025] Furthermore, one end of the guide air pipe 12 passes through a connecting shaft 11 and is fixedly connected to each other, the third nozzle 8 is connected and installed on the end of the guide air pipe 12, and the other end of the guide air pipe 12 slides through another connecting shaft 11.

[0026] In detail, the third nozzle 8 is facing the long side direction of the packaging box 2. When the two connecting shafts 11 move relative to each other, the distance between the two connecting shafts 11 changes. At this time, the guide air pipe 12 will slide relative to one connecting shaft 11, thereby realizing the connection between the connecting shaft 11 and the guide air pipe 12, and the connecting shaft 11 will rotate on the adjusting rod 10. When the third nozzle 8 is installed at the end of the guide air pipe 12 fixedly connected to a connecting shaft 11, it can be ensured that when the third nozzle 8 is adjusted in position, the horizontal displacement of the third nozzle 8 is minimized, thereby avoiding the third nozzle 8 from colliding with the long side of the packaging box 2.

[0027] Furthermore, a support plate 13 is provided at the end of the cone wheel 9, and the support plate 13 moves relative to the cone wheel 9. A fixing plate 14 is provided on the support plate 13, and two slide seats 15 are fixed on the fixing plate 14. The two slide seats 15 are vertically slidably connected to the outer walls of the two adjustment rods 10 respectively.

[0028] In detail, the support plate 13, the fixing plate 14 and the slide seat 15 can support and limit the adjusting rod 10, so that the adjusting rod 10 and the cone wheel 9 maintain a close fit, so that the cone wheel 9 can smoothly drive the adjusting rod 10 to move.

[0029] Furthermore, the fixing plate 14 passes through the supporting plate 13 and is slidably connected to each other. The supporting plate 13 and the fixing plate 14 are fastened to each other by locking bolts 16. When the fixing plate 14 slides on the supporting plate 13, the adjusting rod 10 and the cone wheel 9 maintain a transmission state.

[0030] In detail, by adjusting the relative position of the support plate 13 and the fixing plate 14, the transmission ratio of the adjusting rod 10 and the cone wheel 9 can be adjusted, thereby adjusting the relative movement speed of the two adjusting rods 10, which facilitates the adjustment of the inclination angle of the third nozzle 8 at a certain position.

[0031] Furthermore, a helical gear column 17 is rotatably provided in the inner frame 7 , and two helical gears 18 are meshed on the helical gear column 17 , and the two helical gears 18 are respectively transmission-connected to the two bevel wheels 9 , and a motor 19 is fixed on the outer wall of the helical gear column 17 , and the motor 19 is transmission-connected to a helical gear 18 .

[0032] In detail, the motor 19 can drive the helical gear column 17 and the two helical gears 18 to operate synchronously, thereby driving the two cone wheels 9 to move synchronously, making it convenient to synchronously adjust the positions of the two third nozzles 8.

[0033] Furthermore, the pressure-feeding structure includes a moving frame 20 located above the square frame 1, the moving frame 20 is connected to the square frame 1 through a plurality of cylinders 21, a plurality of vertical rods 22 are arranged at the bottom of the moving frame 20, the vertical rods 22 slide through the square frame 1, and a pressure wheel 23 is rotatably arranged at the bottom of the vertical rods 22; The plurality of pressing wheels 23 are divided into two rows, front and rear.

[0034] In detail, in the natural state, the cylinder 21 drives the moving frame 20 to rise to a position away from the square frame 1. At this time, the pressure wheel 23 is located near the bottom of the square frame 1. When the two long sides of the packaging box 2 complete the folding work, the cylinder 21 contracts, and the cylinder 21 pulls the moving frame 20 to move downward. The moving frame 20 pushes multiple pressure wheels 23 downward through multiple vertical rods 22. The pressure wheels 23 press down the long sides of the packaging box 2, so that the two long sides are horizontally connected. When the external conveyor belt continues to convey the packaging box 2, the packaging box 2 moves and drives the pressure wheels 23 to roll on the vertical rods 22, thereby realizing the roller conveying work of the sealing position of the packaging box 2.

[0035] Furthermore, the adjustment structure also includes an insert plate 24 arranged on the outer wall of the inner frame 7, and the insert plate 24 slides and is inserted into the inner frame 7 along the sliding direction of the fixed plate 14. Two guide sleeves 25 are arranged on the insert plate 24, and the two adjustment rods 10 on the cone wheel 9 slide through the two guide sleeves 25 respectively.

[0036] In detail, by setting the insert plate 24 and the guide sleeve 25, the two adjusting rods 10 can be conveniently guided and supported, thereby ensuring that the two adjusting rods 10 can move vertically and smoothly. When the fixing plate 14 moves on the support plate 13, the insert plate 24 will move horizontally on the inner frame 7 synchronously.

[0037] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A packaging box folding and sealing machine, characterized in that: The box comprises a square frame and an inner frame installed inside the square frame, wherein the square frame is provided with two first side panels and two second side panels which are opposite to each other, the two first side panels and the two second side panels are respectively located on four sides of the square frame, the first side panel is provided with a first nozzle, the second side panel is provided with a second nozzle, two groups of adjustment structures are oppositely arranged on the inner frame, a third nozzle is arranged at the lower movable end of the adjustment structure, and a pressure-feeding structure for pressing down the long side of the folded packaging box is arranged on the box; Among them, the adjustment structure is used to adjust the spraying direction of the third nozzle, the first side panel and the second side panel are both inclined, the third nozzle is used to blow the long side of the packaging box toward the outside of the packaging box, the first nozzle is used to blow the short side of the packaging box toward the inside of the packaging box, and the second nozzle is used to blow the long side of the packaging box toward the inside of the packaging box.

2. A packaging box folding and sealing machine according to claim 1, characterized in that: The adjustment structure includes a cone wheel rotatably mounted on the outer wall of the inner frame, two adjustment rods are vertically arranged on the outer wall of the cone wheel, and the cone wheel is transmission-connected with the adjustment rod, a connecting shaft is rotatably arranged at the bottom of the adjustment rod, a guide air pipe is arranged between the two connecting shafts, and the third nozzle is mounted on the guide air pipe; When the cone wheel rotates, the two adjusting rods rotate synchronously at different speeds.

3. A packaging box folding and sealing machine according to claim 2, characterized in that: One end of the guide air pipe passes through a connecting shaft and is fixedly connected to each other. The third nozzle is connected and installed on the end of the guide air pipe. The other end of the guide air pipe slides through another connecting shaft.

4. A packaging box folding and sealing machine according to claim 3, characterized in that: A support plate is arranged at the end of the cone wheel, and the support plate moves relative to the cone wheel. A fixing plate is arranged on the support plate, and two slide seats are fixed on the fixing plate. The two slide seats are respectively connected to the outer walls of the two adjusting rods in a vertical sliding manner.

5. A packaging box folding and sealing machine according to claim 4, characterized in that: The fixing plate passes through the supporting plate and is slidably connected to each other. The supporting plate and the fixing plate are fastened to each other by locking bolts. When the fixing plate slides on the supporting plate, the adjusting rod and the cone wheel maintain a transmission state.

6. A packaging box folding and sealing machine according to claim 5, characterized in that: A helical gear column is rotatably arranged in the inner frame, two helical gears are meshed on the helical gear column, the two helical gears are respectively connected to two bevel wheels in driving connection, and a motor is fixed on the outer wall of the helical gear column in driving connection with a helical gear.

7. A packaging box folding and sealing machine according to claim 6, characterized in that: The pressure-feeding structure includes a moving frame located above the square frame, the moving frame is connected to the square frame through a plurality of cylinders, a plurality of vertical rods are arranged at the bottom of the moving frame, the vertical rods slide through the square frame, and a pressure wheel is rotatably arranged at the bottom of the vertical rods; Among them, multiple pressing wheels are divided into two rows, front and back.

8. The packaging box folding and sealing machine according to claim 7, characterized in that: The adjustment structure also includes an insert plate arranged on the outer wall of the inner frame, the insert plate slides and inserts on the inner frame along the sliding direction of the fixed plate, two guide sleeves are arranged on the insert plate, and the two adjustment rods on the cone wheel slide through the two guide sleeves respectively.

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