A box assembly machine and a box assembly method

Abstract

This invention relates to the field of packaging box manufacturing technology, and in particular to a box assembly machine, comprising: a first box body conveying device conveying a first box body with connecting pieces; a mold placement device placing a supporting mold inside the first box body; a second box body supply device located on one side of the first box body conveying device; an assembly device covering the second box body on top of the supporting mold, so that the second box body is closed with the first box body; and a roller pressing and bonding device roller pressing and bonding the connecting pieces of the first box body onto the second box body. A box assembly method is also provided. This invention uses a supporting mold to support the inner cavities of the first and second box bodies to assist in the assembly of the first and second box bodies, making the alignment of the second and first box bodies convenient, with high alignment accuracy and good stability. Furthermore, the first and second box bodies do not deform during roller pressing and bonding, allowing for the application of greater roller pressing and bonding force, resulting in a more secure bond and improving the quality of the assembled first and second box bodies.

Description

Technical Field

[0001] This invention relates to the field of packaging box production technology, and in particular to a box assembly machine and a box assembly method. Background Technology

[0002] A box is formed by fitting two boxes together. For example, a top-and-bottom box consists of a top cover and a bottom cover, with the top cover fitting over the bottom cover. When the box is a one-piece hinged box, one side wall of each of the two boxes is connected together by a connecting piece. In manufacturing one-piece hinged boxes, the connecting piece of one box is rolled and adhered to the side wall of the other box to connect the two boxes and form a one-piece hinged box.

[0003] To improve the efficiency of producing one-piece flip-top boxes, the assembly of two boxes is generally achieved through box assembly equipment. For example, patent application number 202111524337.9 discloses a top-and-bottom box assembly equipment, which first transports the top cover to the assembly mechanism, then uses a vacuum suction plate on the first suction unit to suction the bottom cover from the second conveyor belt onto the feeding plate, then uses a vacuum suction plate on the second suction unit to suction the bottom cover from the feeding plate onto the top cover at the assembly mechanism, and finally uses rollers to roll and paste the sticker on the outer connecting surface of the top cover onto the outer connecting surface of the bottom cover; patent application number 202110611465.0 discloses a top-and-bottom box type upper and lower box packaging system, which uses suction cups to hold the bottom box and place it on top of the top box, and then uses pressure rollers to process connecting pieces to press them onto the side of the bottom box; patent application number 201920714095.1 discloses a box lid assembly machine, in which a material handling robot places the top cover on the bottom cover to complete the assembly. The aforementioned patent documents all describe a method where a robotic arm directly places one box onto another, and then rollers press and adhere the box to the side wall of the other box. This method of assembling boxes has at least the following drawbacks: 1) Alignment of the two boxes is difficult; 2) It is difficult to guarantee the accuracy of the alignment, thus making it difficult to guarantee the quality of the produced boxes; 3) The boxes are prone to deformation during roller pressing, especially thin-walled boxes, and it may even be impossible to assemble thin-walled boxes; 4) The rollers cannot apply sufficient roller pressure to the boxes, making it difficult for the connecting pieces of one box to adhere firmly to the side wall of the other box, thus compromising the quality of the pressing and easily resulting in defective products.

[0004] Therefore, the defects are very obvious, and a solution is urgently needed. Summary of the Invention

[0005] To address the aforementioned technical problems, the present invention aims to provide a box assembly machine and a box assembly method. This method employs a supporting mold to support the inner cavities of a first and second box body, facilitating the assembly of the first and second box bodies. This makes the alignment of the second and first box bodies convenient, less prone to displacement, and provides high alignment accuracy and stability, thereby improving the efficiency and quality of box assembly. Furthermore, the first and second box bodies do not deform during roller pressing and bonding, allowing for the application of greater roller pressing and bonding force, resulting in a more secure connection between the connecting piece and the second box body, further improving the quality of the assembled first and second box bodies. This invention is particularly suitable for assembling boxes with thin walls.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] A box assembly machine, comprising:

[0008] A first box conveying device is used to convey a first box having connecting pieces;

[0009] A mold placement device is used to place a support mold into the first box conveyed by the first box conveyor.

[0010] The second box supply device is located on one side of the first box conveying device and is used to supply the second box.

[0011] An assembly device for covering the second box supplied by the second box supply device onto the top of the support mold, so that the second box is closed together with the first box;

[0012] A roller pressing and bonding device is used to roll and bond the connecting piece of the first box body to the side wall of the second box body.

[0013] Furthermore, the output end of the second box supply device, the assembly device, and the roller pressing and bonding device are correspondingly provided.

[0014] Furthermore, the box assembly machine also includes a flip-top device mounted on the first box conveying device. The flip-top device is located on the side of the roller pressing and bonding device away from the mold picking and placing device. The flip-top device is used to flip the second box after assembly so that the second box is open relative to the first box.

[0015] Furthermore, the box assembly machine also includes a pressing mechanism mounted on the first box conveying device. The pressing mechanism is located between the roller pressing and bonding device and the flip-top device. The pressing mechanism is used to press and bond the connecting piece of the first box to the side wall of the second box.

[0016] Furthermore, the box assembly machine also includes a mold unloading mechanism mounted on the first box conveying device. The mold unloading mechanism is located on the side of the flipping device away from the roller pressing and bonding device. The mold unloading mechanism is used to remove the supporting mold from the first box after the flipping device is closed.

[0017] Furthermore, the box assembly machine also includes a feeding device mounted on the first box conveying device. The feeding device is located on the side of the mold unloading mechanism away from the flip-top device. The feeding device is used to feed the first box and the second box after the supporting mold is opened and removed.

[0018] Furthermore, the box assembly machine also includes a mold conveying mechanism located on the other side of the first box conveying device. The conveying direction of the first box conveying device is opposite to the conveying direction of the mold conveying mechanism. The mold picking and placing device and the unloading device are located at both ends of the mold conveying mechanism, which is used to convey and support molds.

[0019] Furthermore, the box assembly machine also includes a first box feeding mechanism movably disposed at the feeding end of the first box conveying device. The first box feeding mechanism is used to feed the first box with connecting pieces onto the first box conveying device.

[0020] Furthermore, the second box supply device includes a second box conveying mechanism for conveying the second box, a second box positioning mechanism disposed at the discharge end of the second box conveying mechanism, and a second box feeding mechanism movably disposed at the feed end of the second box conveying mechanism. The second box feeding mechanism is used to feed the second box to the second box conveying mechanism, and the second box positioning mechanism is used to position the second box conveyed by the second box conveying mechanism. The assembly device is correspondingly disposed with the second box positioning mechanism.

[0021] Furthermore, the flip-top device includes a flip-top frame, a flip-top position adjustment mechanism mounted on the flip-top frame, a flip-top lifting drive mechanism mounted on the adjustment end of the flip-top position adjustment mechanism, a flip-top seat mounted on the lifting end of the flip-top lifting drive mechanism, two flip-top drive mechanisms respectively disposed at both ends of the flip-top seat, and two cap-suction mechanisms respectively disposed at the flip-top ends of the two flip-top drive mechanisms. The flip-top seat is provided with a flip-top space, and the two cap-suction mechanisms are located in the flip-top space and are arranged opposite to each other.

[0022] The present invention also provides a box assembly method, comprising the following steps:

[0023] The first box with connecting pieces is fed onto the first box conveyor, and the first box conveyor conveys the first box.

[0024] During the process of conveying the first box, the first box passes through the mold picking and placing device, the assembly device and the roller pressing and bonding device.

[0025] The mold placement device places the support mold inside the inner cavity of the first box, with the top of the support mold protruding outside the opening of the first box.

[0026] The assembly device covers the second box body on top of the support mold, so that the second box body covers the first box body, and the connecting piece of the first box body is located outside one side wall of the second box body;

[0027] The roll forming and bonding device rolls and bonds the connecting piece of the first box body to the side wall of the second box body to produce a box.

[0028] The beneficial effects of this invention are as follows: In practical applications, the first box conveying device conveys the first box with connecting pieces along the direction of the box assembly process. When the first box moves to the bottom of the mold picking and placing device, the mold picking and placing device places the supporting mold inside the cavity of the first box. The supporting mold is adapted to the concave and convex shape of the first box, and the top of the supporting mold protrudes outside the opening of the first box. When the first box carrying the supporting mold moves to the assembly device, and the second box supply device supplies the second box to the assembly device, the assembly device picks up the second box and covers the second box on the top of the supporting mold, so that the second box and the first box are exactly covered together, and the connecting piece of the first box is located outside one side wall of the second box to achieve the box covering. When the covered box is located at the roller pressing and bonding device, the roller pressing and bonding device rolls the connecting piece with glue from bottom to top or back and forth on the side wall of the second box, so that the connecting piece of the first box is attached to the side wall of the second box to achieve the box assembly. This invention employs a supporting mold to support the inner cavities of the first and second box bodies, facilitating their assembly. This makes the alignment of the second and first box bodies easy and prevents displacement, resulting in high alignment accuracy and stability. This improves the efficiency and quality of box assembly. Furthermore, the first and second box bodies do not deform during roll forming, allowing for greater roll forming force and a stronger connection between the connecting piece and the second box body, further enhancing the overall quality of the assembled boxes. This invention is particularly suitable for assembling boxes with thin walls. Attached Figure Description

[0029] Figure 1 This is a three-dimensional structural diagram of the box assembly machine of the present invention.

[0030] Figure 2 This is a three-dimensional structural diagram of the flip-top device and the box in the closed state according to the present invention.

[0031] Figure 3 This is a partial structural diagram of the flip-top device of the present invention and a three-dimensional structural diagram of the box in a semi-open state.

[0032] Figure 4 This is a three-dimensional structural diagram of the first box conveying device of the present invention after concealing the box feeding frame, the box support plate and the reciprocating movement mechanism.

[0033] Figure 5This is a three-dimensional structural diagram of the first box conveying device and the first box of the present invention.

[0034] Figure 6 This is a three-dimensional structural diagram of the clamping mechanism of the present invention.

[0035] Figure 7 This is a three-dimensional structural diagram of the roller pressing and bonding device of the present invention.

[0036] Explanation of reference numerals in the attached figures:

[0037] 1. First box conveying device; 11. Box feeding frame; 12. Box support plate; 121. Conveying channel; 13. Conveying seat; 14. First guide rod; 15. Second guide rod; 16. Reciprocating movement mechanism; 161. Rack; 162. Gear; 163. Rotary driver; 17. Lifting seat; 171. Fixed seat; 172. Double threaded screw; 173. Worm gear; 174. Positive threaded sleeve; 175. Negative threaded sleeve; 176. Handle; 18. Box feeding lifting drive mechanism; 181. Lifting rod; 182. Lifting driver; 183. Swing arm; 19. First box clamping plate; 191. Second box clamping plate; 10. Sliding drive mechanism; 101. Locking block; 102. Box clamping cylinder; 2. Mold picking and placing device; 3. Second box supply device; 31. Second box conveying mechanism; 32. Second box positioning mechanism; 33. Second box loading machine 4. Assembly device; 5. Roller pressing and bonding device; 51. Roller pressing seat; 52. Roller pressing adjustment module; 53. Roller pressing lifting drive mechanism; 54. Roller pressing frame; 55. Roller shaft; 6. Flip-top device; 60. Flip-top space; 61. Flip-top frame; 62. Flip-top position adjustment mechanism; 63. Flip-top lifting drive mechanism; 64. Flip-top seat; 65. Flip-top drive mechanism; 651. Support arm; 652. Rotary drive; 6 53. Flip-top arm; 654. Adjusting component; 655. Guide groove; 66. Lid suction mechanism; 661. Telescopic actuator; 662. Suction nozzle; 67. Adjustment mechanism; 7. Pressing mechanism; 71. Pressing frame; 72. Pressing adjustment module; 73. Pressing cylinder; 74. Pressing plate; 75. Pressing lifting cylinder; 8. Mold unloading mechanism; 81. Unloading device; 82. Mold conveying mechanism; 83. First box loading mechanism. Detailed Implementation

[0038] To facilitate understanding by those skilled in the art, the present invention will be further described below with reference to embodiments and accompanying drawings. The content mentioned in the embodiments is not intended to limit the present invention.

[0039] like Figures 1 to 7 As shown, the present invention provides a box assembly machine, which includes:

[0040] The first box conveying device 1 is used to convey a first box with a connecting piece, the connecting piece having glue on it, and the connecting piece will bend slightly outward after being glued; when the second box is closed on the first box, the connecting piece is located outside one side wall of the second box;

[0041] The mold picking and placing device 2 is used to place the supporting mold into the first box conveyed by the first box conveying device 1. The mold picking and placing device 2 can be a clamping robot.

[0042] The second box supply device 3 is located on one side of the first box conveying device 1 and is used to supply the second box;

[0043] Assembly device 4 is used to cover the second box supplied by the second box supply device 3 onto the top of the support mold so that the second box is closed with the first box; assembly device 4 may be a suction cup robot.

[0044] Roller pressing and bonding device 5 is used to roll and bond the connecting piece of the first box body to the side wall of the second box body;

[0045] Specifically, the mold picking and placing device 2 and the assembly device 4 are sequentially mounted above the first box conveying device 1 along the conveying direction of the first box conveying device 1. The roller pressing and bonding device 5 is located on one side of the first box conveying device 1. The second box supply device 3 is arranged at an angle or parallel to the first box conveying device 1. Preferably, the second box supply device 3 is perpendicular to the first box conveying device 1. The output end of the second box supply device 3 is located close to the first box conveying device 1 and below the assembly device 4. The opening of the first box faces upward and the opening of the second box faces downward.

[0046] The present invention also provides a box assembly method based on a box assembly machine, comprising the following steps:

[0047] The first box with connecting pieces is fed onto the first box conveying device 1, and the first box conveying device 1 conveys the first box.

[0048] During the process of conveying the first box, the first box passes through the mold picking and placing device 2, the assembly device 4 and the roller pressing and bonding device 5, and the second box supply device 3 supplies the second box to the bottom of the assembly device 4.

[0049] The mold placement device 2 places the support mold inside the inner cavity of the first box, with the top of the support mold protruding outside the opening of the first box;

[0050] Assembly device 4 covers the second box body on the top of the support mold, so that the second box body covers the first box body, and the connecting piece of the first box body is located outside one side wall of the second box body;

[0051] The roller pressing and bonding device 5 rolls and bonds the connecting piece of the first box body to the side wall of the second box body to produce a box.

[0052] In practical applications, the first box conveying device 1 conveys the first box with connecting pieces along the direction of the box assembly process. When the first box moves to the bottom of the mold picking and placing device 2, the mold picking and placing device 2 places the supporting mold inside the cavity of the first box. The supporting mold is adapted to the concave and convex shape of the first box, and the top of the supporting mold protrudes outside the opening of the first box. When the first box carrying the supporting mold moves to the assembly device 4, and the second box supply device 3 supplies the second box to the assembly device 4, the assembly device 4 picks up the second box and covers the second box on the top of the supporting mold, so that the second box and the first box are exactly covered together, and the connecting piece of the first box is located outside one side wall of the second box to achieve the box covering. When the covered box is located at the roller pressing and bonding device 5, the roller pressing and bonding device 5 rolls the connecting piece with glue from bottom to top or back and forth on the side wall of the second box, so that the connecting piece of the first box is attached to the side wall of the second box to achieve the assembly of the box (e.g., a top and bottom box). This invention employs a supporting mold to support the inner cavities of the first and second box bodies, facilitating their assembly. This makes the alignment of the second and first box bodies easy and prevents displacement, resulting in high alignment accuracy and stability. This improves the efficiency and quality of box assembly. Furthermore, the first and second box bodies do not deform during roll forming, allowing for greater roll forming force and a stronger connection between the connecting piece and the second box body, further enhancing the overall quality of the assembled boxes. This invention is particularly suitable for assembling boxes with thin walls.

[0053] In this embodiment, the output end of the second box supply device 3, the assembly device 4, and the roller pressing and bonding device 5 are correspondingly arranged. This structural arrangement allows the assembly device 4 and the roller pressing and bonding device 5 to be located at the same workstation. After the assembly device 4 covers the second box on top of the supporting mold, so that the second box is covered with the first box, the roller pressing and bonding device 5 rolls the adhesive-coated connecting piece from bottom to top or back and forth on the side wall of the second box, so that the connecting piece of the first box is attached to the side wall of the second box. At the same time, the assembly device 4 continuously abuts against the covered second box, and even applies a certain downward pressure to the second box, so that the second box is stably and accurately covered with the first box, preventing the second box from shifting upward during the roller pressing and bonding process, and ensuring the quality of the first box and the second box after assembly.

[0054] In this embodiment, the box assembly machine also includes a flip-top device 6 mounted on the first box conveying device 1. The flip-top device 6 is located on the side of the roller pressing and bonding device 5 away from the mold picking and placing device 2. The flip-top device 6 is used to flip the second box after assembly so that the second box is opened relative to the first box.

[0055] In practical applications, after the first box and the second box are assembled together to form a closed box, the first box conveying device 1 conveys the closed box to the flipping device 6. The flipping device 6 flips the second box so that the second box is open relative to the first box, exposing the support mold so that the support mold can be removed and the box after the support mold has been removed can be unloaded.

[0056] Specifically, the box assembly machine also includes a supporting mechanism or auxiliary conveying mechanism located on one side of the first box conveying device 1. The supporting mechanism supports the second box after it has been opened, and the auxiliary conveying mechanism supports and conveys the second box after it has been opened. The auxiliary conveying mechanism conveys synchronously with the first box conveying device 1. By supporting and / or conveying the second box after it has been opened through the supporting mechanism or auxiliary conveying mechanism, the stability of conveying the box in the open state is improved.

[0057] In this embodiment, the box assembly machine further includes a pressing mechanism 7 mounted on the first box conveying device 1. The pressing mechanism 7 is located between the roller pressing and bonding device 5 and the flip-top device 6. The pressing mechanism 7 is used to press and bond the connecting piece of the first box to the side wall of the second box. After the connecting piece is roller pressed and bonded to the side wall of the second box, the first box conveying device 1 conveys the box in a closed state to the pressing mechanism 7. The pressing mechanism 7 applies a certain pressure to the two side walls of the closed box by clamping. One of the two side walls has the connecting piece bonded to the side wall of the second box, so that the connecting piece can be bonded more tightly and firmly to the side wall of the second box, improving the quality of the first box and the second box.

[0058] Specifically, the clamping mechanism 7 includes a clamping frame 71, a clamping adjustment module 72 mounted on the clamping frame 71, two clamping cylinders 73 respectively connected to the two adjustment ends of the clamping adjustment module 72, and two clamping plates 74 respectively connected to the piston rods of the two clamping cylinders 73. The two clamping plates 74 are arranged opposite to each other. The clamping adjustment module 72 is used to drive the two clamping cylinders 73 to move closer or further away from each other to adjust the distance between the two clamping cylinders 73 so as to clamp boxes of different sizes. Then the piston rods of the clamping cylinders 73 extend, so that the two clamping plates 74 move closer to each other until the two clamping plates 74 apply a certain pressure to the side walls of the box, so that the connecting piece is firmly attached to the side wall of the second box body. Preferably, the clamping cylinder 73 is connected to the adjusting end of the clamping adjustment module 72 via the clamping lifting cylinder 75. The clamping cylinder 73 and the clamping plate 74 are driven to rise and fall by the clamping lifting cylinder 75 to adjust the height position of the clamping plate 74 so as to clamp boxes of different sizes. The clamping adjustment module 72 can be composed of a motor, a two-way lead screw and two threaded sleeves. The two clamping lifting cylinders 75 are respectively connected to the two threaded sleeves, and the two threaded sleeves are slidably connected to the clamping frame 71.

[0059] In this embodiment, the box assembly machine also includes a mold unloading mechanism 8 mounted on the first box conveying device 1. The mold unloading mechanism 8 can adopt the same structure as the mold picking and placing device 2 to improve the interchangeability of the mold unloading mechanism 8 and the mold picking and placing device 2 and reduce the production and maintenance costs of the machine. The mold unloading mechanism 8 is located on the side of the flipping device 6 away from the roller pressing and bonding device 5. The mold unloading mechanism 8 is used to remove the supporting mold from the first box after the flipping.

[0060] In practical applications, the flip-top mechanism flips the second box so that the second box is open relative to the first box. The box is in the open state, and the top of the supporting mold is exposed. When the open box is conveyed by the first box conveyor 1 to the mold unloading mechanism 8, the mold unloading mechanism 8 picks up the supporting mold and removes it from the first box, so as to realize the automated unloading of the supporting mold. The degree of automation is high, which reduces the labor intensity and labor cost of production and improves the production efficiency.

[0061] In this embodiment, the box assembly machine also includes a feeding device 81 mounted on the first box conveying device 1. The feeding device 81 is located on the side of the mold unloading mechanism 8 away from the flip-top device 6. The feeding device 81 is used to unload the first box and the second box after the support mold is opened and removed. Preferably, the feeding device 81 can be a suction cup robot or a clamping robot.

[0062] In practical applications, when the open box is removed from the support mold and transported to the unloading device 81 by the first box conveyor 1, the unloading device 81 picks up the first box and the second box (the open box) and places the first box and the second box in the appropriate unloading position to achieve automated unloading of the box.

[0063] In this embodiment, the box assembly machine also includes a supporting mold and a mold conveying mechanism 82 located on the other side of the first box conveying device 1. The conveying direction of the first box conveying device 1 is opposite to the conveying direction of the mold conveying mechanism 82. The mold picking and placing device 2 and the unloading device 81 are located at both ends of the mold conveying mechanism 82, and the mold conveying mechanism 82 is used to convey the supporting mold.

[0064] In practical applications, after the mold unloading mechanism 8 removes the support mold from the first box, the mold unloading mechanism 8 places the support mold at the feeding end of the mold conveying mechanism 82. The mold conveying mechanism 82 then conveys the support mold to the mold pick-and-place device 2 (the discharge end of the mold conveying mechanism 82), which facilitates the mold pick-and-place device 2 placing the support mold into the first box conveyed by the first box conveying device 1. This achieves the return of the support mold, enabling its recycling and thus realizing the automated supply of support molds. This further improves the efficiency of box production and reduces the labor intensity and labor costs of production.

[0065] Specifically, the number of support molds is multiple; preferably, the number of support molds is five to eight. Multiple support molds are used in a cyclical manner, allowing all workstations of the machine to operate simultaneously, shortening waiting time and production cycles, and improving production efficiency.

[0066] In this embodiment, the box assembly machine further includes a first box feeding mechanism 83 movably disposed at the feeding end of the first box conveying device 1. The first box feeding mechanism 83 is used to feed the first box with connecting pieces onto the first box conveying device 1. Specifically, the first box feeding mechanism 83 can be a suction cup robot.

[0067] In practical applications, after the first box is processed and formed in the external box forming equipment, the first box feeding mechanism 83 picks up the first box and places it onto the first box conveying device 1 to achieve automated supply of the first box.

[0068] In this embodiment, the second box supply device 3 includes a second box conveying mechanism 31 for conveying the second box, a second box positioning mechanism 32 disposed at the discharge end of the second box conveying mechanism 31, and a second box feeding mechanism 33 movably disposed at the feed end of the second box conveying mechanism 31. The second box feeding mechanism 33 is used to feed the second box to the second box conveying mechanism 31, and the second box positioning mechanism 32 is used to position the second box conveyed by the second box conveying mechanism 31. The assembly device 4 is correspondingly disposed with the second box positioning mechanism 32. The second box feeding mechanism 33 can be a suction cup robot, the second box conveying mechanism 31 can be used to convey the second box in an intermittent pushing manner, and the second box positioning mechanism 32 can be an existing positioning device, which will not be described in detail here.

[0069] In practical applications, after the second box is formed in the external box forming equipment, the second box feeding mechanism 33 picks up the second box and places it onto the second box conveying mechanism 31. The second box conveying mechanism 31 conveys the second box. When the second box is located at the second box positioning mechanism 32, the second box positioning mechanism 32 positions the second box to ensure the positional accuracy and stability of the second box. This not only improves the accuracy of the assembly device 4 in picking up the second box, but also improves the accuracy of the second box fitting onto the first box.

[0070] In this embodiment, the flip cover device 6 includes a flip cover frame 61, a flip cover position adjustment mechanism 62 mounted on the flip cover frame 61, a flip cover lifting drive mechanism 63 mounted on the adjustment end of the flip cover position adjustment mechanism 62, a flip cover seat 64 mounted on the lifting end of the flip cover lifting drive mechanism 63, two flip cover drive mechanisms 65 respectively mounted on both ends of the flip cover seat 64, and two cap-suction mechanisms 66 respectively mounted on the flip ends of the two flip cover drive mechanisms 65. The flip cover seat 64 is provided with a flip cover space 60, and the two cap-suction mechanisms 66 are located in the flip cover space 60 and are arranged opposite to each other.

[0071] In practical applications, the first box conveying device 1 transports the closed box to the flip-top device 6. The flip-top lifting drive mechanism 63 drives the flip-top base 64, along with the flip-top drive mechanism 65 and the two suction mechanisms 66, to descend, so that the closed box is located within the flip-top space 60. The flip-top space 60 provides space for the second box body to flip. Then, the flip-top lifting drive mechanism 63 drives the flip-top base 64, along with the two flip-top drive mechanisms 65 and the two suction mechanisms 66, to descend, so that the two suction mechanisms 66 correspond to the two side walls of the second box body respectively. The two suction mechanisms 66 respectively suck up the two side walls of the second box body. Then, the flip-top drive mechanism 65... The two suction lid mechanisms 66 drive the second box body to rotate at a certain angle (e.g., 180°). The two suction lid mechanisms 66 respectively suction the two side walls of the second box body and drive the second box body to rotate synchronously until the second box body opens. The supporting mechanism or auxiliary conveying mechanism, or the first box body conveying device 1, can support the second box body. The two suction lid mechanisms 66 release the second box body, and the flip-top lifting drive mechanism 63 drives the flip-top base 64, along with the flip-top drive mechanism 65 and the two suction lid mechanisms 66, to rise, facilitating the flipping of the next box. Depending on the width of the box, the flip-top position adjustment mechanism 62 adjusts the position of the flip-top lifting drive mechanism 63, along with the flip-top base 64, the two flip-top drive mechanisms 65, and the two suction lid mechanisms 66, to accommodate boxes of different widths. The flip-top device 6 has a simple structure, making it easy to flip the box. The flip-top is stable and efficient, and the flip-top position can be adjusted according to the position of the box to flip the box of different widths or positions. It has good applicability and strong practicality.

[0072] Specifically, the lid-feeding mechanism 66 includes a telescopic actuator 661 mounted on the flip end of the lid-flipping drive mechanism 65 and a suction nozzle 662 mounted on the telescopic end of the telescopic actuator 661. The suction surface of the suction nozzle 662 protrudes into the lid-flipping space 60. Specifically, the telescopic actuator 661 can be a threaded cylinder. In practical applications, when the closed box is located in the lid-flipping space 60, the telescopic rod of the telescopic actuator 661 extends, causing the suction surface of the suction nozzle 662 to contact and adhere to the side wall of the second box. The two suction nozzles 662 clamp and adhere to the two side walls of the second box, which facilitates stable and efficient lid flipping.

[0073] Specifically, the flip-top base 64 is equipped with an adjusting mechanism 67, which is used to adjust the distance between the two flip-top drive mechanisms 65. Preferably, the adjusting mechanism 67 can have the same structure as the pressing adjustment module 72. In practical applications, depending on the length of the box, the adjusting mechanism 67 drives the two flip-top drive mechanisms 65 to move closer or further apart from each other to adjust the distance between the two flip-top drive mechanisms 65, thereby adjusting the distance between the two suction mechanisms 66 to meet the requirements of flipping the second box body of boxes of different lengths.

[0074] Specifically, the flip-top driving mechanism 65 includes a support arm 651 connected to one adjustable end of the adjusting mechanism 67, a rotary driver 652 mounted on the support arm 651, and a flip-top arm 653 fixedly connected to the rotating end of the rotary driver 652. A suction mechanism 66 is mounted on the flip-top arm 653. Specifically, the rotary driver 652 can be a rotary cylinder or a motor. The flip-top base 64 and the support arms 651 of the two flip-top driving mechanisms 65 enclose a flip-top space 60. In practical applications, after the suction mechanism 66 suctions the side wall of the second box, the rotary driver 652 drives the flip-top arm 653, along with the suction mechanism 66, to flip the second box by a certain angle until the flip-top action is completed. This structure is simple, the action is sensitive and concise, and the flip-top efficiency is high.

[0075] Specifically, the flip arm 653 is detachably connected to an adjusting member 654 via a locking fastener, and the suction mechanism 66 is mounted on the adjusting member 654. In practical applications, the position of the suction mechanism 66 on the flip arm 653 can be adjusted according to the width of the box, thereby further satisfying the flipping function for boxes of different widths. This provides good applicability, strong practicality, and a wide range of applications.

[0076] Specifically, the flip arm 653 has a guide groove 655, and the adjusting member 654 is provided with a guide block that is slidably connected to the guide groove 655. When the adjusting member 654 moves relative to the flip arm 653, the guide block of the adjusting member 654 slides along the guide groove 655. The guide groove 655 plays a guiding role, which improves the stability and positional accuracy of the movement of the adjusting member 654 relative to the flip arm 653, and facilitates the position adjustment of the adjusting member 654 on the flip arm 653.

[0077] Specifically, the first box conveying device 1 includes a box feeding frame 11, a box support plate 12, a conveying seat 13, a first guide rod 14, a second guide rod 15, a reciprocating moving mechanism 16 for driving the conveying seat 13 to reciprocate, a lifting seat 17 that is lifted and lowered on the conveying seat 13, a box feeding lifting drive mechanism 18 that is mounted on the conveying seat 13 and used to drive the lifting seat 17 to rise and fall, a plurality of first box clamping plates 19 mounted on the first guide rod 14, a plurality of second box clamping plates 191 mounted on the second guide rod 15, and a sliding drive mechanism 10 that is mounted on the lifting seat 17 and used to drive the first guide rod 14 and the second guide rod 15 to slide synchronously in opposite directions. The first guide rod 14 and the second guide rod 15 are slidably connected to the lifting seat 17 in parallel, and the plurality of first box clamping plates 191 are connected to the first guide rod 14 and the second guide rod 15 to slide synchronously in opposite directions. Multiple second clamping plates 191 are spaced apart; a first clamping plate 19 and a second clamping plate 191 are arranged opposite each other, forming clamping positions; multiple clamping positions are equidistantly distributed; a conveyor seat 13 is installed on the box feeding frame 11 and located below the box support plate 12; the box support plate 12 is installed on the top of the box feeding frame 11; the box support plate 12 has a conveying channel 121; the first clamping plate 19 and the second clamping plate 191 can extend to the top of the box support plate 12 through the conveying channel 121; specifically, the first clamping plate 19 and the second clamping plate 191 are both L-shaped; the box support plate 12 is used to support the first box; the oppositely arranged first clamping plate 19 and the second clamping plate 191 cooperate to clamp the first box.

[0078] This embodiment is illustrated by taking two first clamping plates 19 and two second clamping plates 191 as an example. That is, one first clamping plate 19 is arranged opposite to one second clamping plate 191 to form a first clamping position; another first clamping plate 19 is arranged opposite to another second clamping plate 191 to form a second clamping position; the distance between the two first clamping plates 19 and the distance between the two second clamping plates 191 are equal. In practical applications, the first box feeding mechanism 83 picks up the first box and places it on the tray 12 at the position corresponding to the first clamping position. Simultaneously, the mold placement device 2 places the supporting mold inside the first box corresponding to the second clamping position. Then, the box feeding lifting drive mechanism 18 drives the lifting seat 17, along with the first guide rod 14, the second guide rod 15, the sliding drive mechanism 10, the two first clamping plates 19, and the two second clamping plates 191, to rise synchronously. This causes the first clamping plates 19 and 191 to protrude above the tray 12 via the conveying channel 121, thus positioning the two first boxes in the first and second clamping positions respectively. Next, the sliding drive mechanism 10 drives the first guide rod 14 and the second guide rod 15 to move inwards synchronously. The first guide rod 14 moves the two first clamping plates 19 inwards synchronously, and the second guide rod 15 moves the two second clamping plates 191 inwards synchronously, until the first clamping plates 19 and 191... 91 is used to clamp the corresponding first box. At this time, the reciprocating moving mechanism 16 drives the conveyor seat 13 to move the clamped first box to the next station according to the preset step distance to realize the fixed-distance conveying of the first box. Then, the sliding driving mechanism 10 drives the first guide rod 14 and the second guide rod 15 to move outward synchronously. The first guide rod 14 drives the two second clamping plates 191 to move outward synchronously. The second guide rod 15 drives the two second clamping plates 191 to move outward synchronously until the first clamping plates 19 and the second clamping plates 191 release their clamping of the first box. Then, the box feeding lifting driving mechanism 18 drives the lifting seat 17 to descend synchronously with the first guide rod 14, the second guide rod 15, the sliding driving mechanism 10, the two first clamping plates 19 and the two second clamping plates 191. Then, the reciprocating moving mechanism 16 drives the conveyor seat 13 to move back to the previous station to complete one step feeding cycle. The above steps are repeated to realize continuous horizontal step feeding. The first box conveying device 1 has a reasonable structural design. It can horizontally and stepwise feed boxes of different sizes without changing the positioning fixture. It has good applicability and practicality, reduces the cost of box feeding, and adopts a clamping method for box feeding, which has good stability and high feeding efficiency.

[0079] Specifically, the first clamping plate 19 is slidably connected to the second guide rod 15, and the second clamping plate 191 is slidably connected to the first guide rod 14. During the movement of the first clamping plate 19, the second guide rod 15 acts as a guide, improving the movement stability of the first clamping plate 19; during the movement of the second clamping plate 191, the first guide rod 14 acts as a guide, improving the movement stability of the second clamping plate 191. This structural design provides mutual guidance, is compact, and offers good operational stability.

[0080] Specifically, the sliding drive mechanism 10 includes two locking blocks 101 and two clamping cylinders 102 respectively mounted on the lifting seat 17. The two ends of one locking block 101 are fixedly connected to the first guide rod 14 and the piston rod of one clamping cylinder 102, respectively. The two ends of the other locking block 101 are fixedly connected to the second guide rod 15 and the piston rod of the other clamping cylinder 102, respectively. Specifically, the two clamping cylinders 102 are arranged back-to-back, face-to-face, or in the same direction. When the two clamping cylinders 102 are arranged back-to-back or face-to-face, the piston rods of the two clamping cylinders 102 extend and retract synchronously; when the two clamping cylinders 102 are arranged in the same direction, the piston rod of one clamping cylinder 102 extends while the piston rod of the other clamping cylinder 102 retracts.

[0081] This embodiment uses two clamping cylinders 102 arranged back-to-back as an example for illustration. In practical application, the piston rods of the two clamping cylinders 102 extend synchronously. The extended clamping cylinders 102 drive the first guide rod 14 or the second guide rod 15 to move via the locking block 101, causing the first guide rod 14 and the second guide rod 15 to move outward respectively, thereby causing the first clamping plate 19 and the second clamping plate 191 to move away from each other. The first clamping plate 19 and the second clamping plate 191 are in an open state so that the first box body is located between the first clamping plate 19 and the second clamping plate 191. When the piston rods of the two clamping cylinders 102 retract synchronously, the retracted clamping cylinders 102 drive the first guide rod 14 or the second guide rod 15 to move via the locking block 101, causing the first guide rod 14 and the second guide rod 15 to move inward respectively, causing the first clamping plate 19 and the second clamping plate 191 to move closer to each other until the first clamping plate 19 and the second clamping plate 191 clamp the first box body.

[0082] Specifically, the reciprocating mechanism 16 includes a rack 161 mounted on the conveyor seat 13, a gear 162 meshing with the rack 161, and a rotary driver 163 for driving the gear 162 to rotate. The rotary driver 163 is mounted on the tray plate 12 and / or the box feeding frame 11. Specifically, the rotary driver 163 can consist of a motor and a reducer, or it can directly use a motor. In practical applications, the rotary driver 163 drives the gear 162 to rotate in both directions. The rotating gear 162 meshes with the rack 161 and drives the rack 161 and the conveyor seat 13 to reciprocate.

[0083] Specifically, the box feeding lifting drive mechanism 18 includes a lifting rod 181 and a lifting drive assembly. The lifting drive assembly includes a lifting driver 182 and a swing arm 183. The top end of the lifting rod 181 is fixedly connected to the lifting seat 17, and the bottom end of the lifting rod 181 is hinged to the middle of the swing arm 183. One end of the swing arm 183 is hinged to the conveying seat 13, and the other end of the swing arm 183 is hinged to the driving end of the lifting driver 182. The lifting driver 182 is used to drive the swing arm 183 to swing. Specifically, the lifting driver 182 can be a cylinder.

[0084] In practical applications, the drive end of the lifting driver 182 extends and drives the swing arm 183 to swing downward. The swing arm 183 pulls the lifting rod 181 down, and the lowered lifting rod 181 drives the lifting seat 17 down. When the drive end of the lifting driver 182 retracts and pulls the swing arm 183 to swing upward, the swing arm 183 pushes the lifting rod 181 up, and the uppered lifting rod 181 drives the lifting seat 17 up.

[0085] Specifically, there are multiple lifting rods 181 and lifting drive components. Each lifting rod 181 is correspondingly assigned to one of the multiple lifting drive components. The ends of the swing arms 183 of the multiple lifting drive components, away from the lifting driver 182, are connected in series via a drive shaft, which is rotatably connected to the conveyor seat 13. In practical applications, the multiple lifting rods 181 rise and fall synchronously, driving the lifting seat 17 to rise and fall, thus improving the lifting stability of the lifting seat 17.

[0086] In order to adjust the initial distance between the first clamping plate 19 and the second clamping plate 191 that are arranged opposite to each other, in this embodiment, a fixed seat 171 is provided in the middle of the lifting seat 17. The first guide rod 14 and the second guide rod 15 are slidably connected to the fixed seat 171. A double threaded screw 172 is rotatably connected to the fixed seat 171. A worm gear is fitted in the middle of the double threaded screw 172. A worm 173 is rotatably connected to the fixed seat 171. The worm gear meshes with the worm 173. A positive threaded sleeve 174 is threadedly connected to the positive thread section of the double threaded screw 172. A negative threaded sleeve 175 is threadedly connected to the negative thread section of the double threaded screw 172. The positive threaded sleeve 174 and the negative threaded sleeve 175 are slidably connected to the lifting seat 17 respectively. The positive threaded sleeve 174 and the negative threaded sleeve 175 are fixedly connected to the two clamping cylinders 102 respectively.

[0087] In practical applications, rotating the worm gear 173 drives the worm wheel to rotate, which in turn drives the double-threaded screw 172 to rotate. The rotating double-threaded screw 172 drives the positive thread sleeve 174 and the negative thread sleeve 175 to move closer to or further away from each other. The positive thread sleeve 174 and the negative thread sleeve 175, which move closer to or further away from each other, drive the two clamping cylinders 102 and their corresponding locking blocks 101 to move closer to or further away from each other, so that the first guide rod 14 and the second guide rod 15 move inward or outward, thereby adjusting the initial distance between the relatively set first clamping plate 19 and the second clamping plate 191 to meet the clamping and conveying of boxes of different sizes and specifications. It has good applicability and a wide range of applications.

[0088] Specifically, a handle 176 is fixedly connected to one end of the worm gear 173; by driving the handle 176 to rotate, the rotating handle 176 drives the worm gear 173 to rotate, which is convenient to operate and facilitates the adjustment of the initial distance between the first clamping plate 19 and the second clamping plate 191.

[0089] Specifically, the roller pressing and bonding device 5 includes a roller pressing seat 51 installed on one side of the top surface of the box feeding frame 11, a roller pressing adjustment module 52 installed on the roller pressing seat 51, a roller pressing lifting drive mechanism 53 connected to the adjustment end of the roller pressing adjustment module 52, a roller pressing frame 54 installed on the lifting end of the roller pressing lifting drive mechanism 53, and a roller shaft 55 rotatably connected to the roller pressing frame 54.

[0090] In practical applications, when the first and second boxes are closed and located at the roller pressing and bonding device 5, the roller pressing adjustment module 52 drives the roller pressing lifting drive mechanism 53, along with the roller pressing frame 54 and the roller shaft 55, to move closer to the connecting piece of the first box until the roller shaft 55 contacts the bottom of the connecting piece. Then, the roller pressing lifting drive mechanism 53 drives the roller pressing frame 54, along with the roller shaft 55, to move up and down, so that the roller shaft 55 rolls on the outer side wall of the connecting piece to roll-press and bond the connecting piece to the side wall of the second box, thereby realizing the assembly of the first box and the second box.

[0091] All technical features in this embodiment can be freely combined according to actual needs.

[0092] The above embodiments are preferred implementations of the present invention. In addition, the present invention can be implemented in other ways. Any obvious substitutions without departing from the concept of the present technical solution are within the protection scope of the present invention.

Claims

1. A box assembly machine, characterized in that: include; A first box conveying device is used to convey a first box having connecting pieces; A mold placement device is used to place a support mold into the first box conveyed by the first box conveyor. The second box supply device is located on one side of the first box conveying device and is used to supply the second box. An assembly device for covering the second box supplied by the second box supply device onto the top of the support mold, so that the second box is closed together with the first box; A roller pressing and bonding device is used to press and bond the connecting piece of the first box body to the side wall of the second box body. The box assembly machine also includes a flip-top device mounted on the first box conveyor. The flip-top device is located on the side of the roller pressing and bonding device away from the mold picking and placing device. The flip-top device is used to flip the second box after assembly so that the second box opens relative to the first box. The flip-top device includes a flip-top frame, a flip-top position adjustment mechanism mounted on the flip-top frame, a flip-top lifting drive mechanism mounted on the adjustment end of the flip-top position adjustment mechanism, a flip-top seat mounted on the lifting end of the flip-top lifting drive mechanism, two flip-top drive mechanisms respectively mounted on both ends of the flip-top seat, and two suction mechanisms respectively mounted on the flip-top ends of the two flip-top drive mechanisms. The flip-top seat is provided with a flip-top space, and the two suction mechanisms are located in the flip-top space and are arranged opposite to each other. The box assembly machine also includes a support mechanism or auxiliary conveying mechanism located on one side of the first box conveying device. The support mechanism is used to support the second box after the lid is opened, and the auxiliary conveying mechanism is used to support and convey the second box after the lid is opened. The auxiliary conveying mechanism is conveyed synchronously with the first box conveying device. The box assembly machine also includes a pressing mechanism mounted on the first box conveying device. The pressing mechanism is located between the roller pressing and bonding device and the flip-top device. The pressing mechanism is used to press and bond the connecting piece of the first box to the side wall of the second box. The pressing mechanism includes a pressing frame, a pressing adjustment module mounted on the pressing frame, two pressing cylinders respectively connected to the two adjustment ends of the pressing adjustment module, and two pressing plates respectively connected to the piston rods of the two pressing cylinders. The two pressing plates are arranged opposite to each other.

2. The box assembly machine according to claim 1, characterized in that: The output end of the second box supply device, the assembly device, and the roller pressing and bonding device are correspondingly set.

3. A box assembly machine according to claim 1, characterized in that: The box assembly machine also includes a mold unloading mechanism mounted on the first box conveyor. The mold unloading mechanism is located on the side of the flipping device away from the roller pressing and bonding device. The mold unloading mechanism is used to remove the supporting mold from the first box after the flipping device is closed.

4. A box assembly machine according to claim 3, characterized in that: The box assembly machine also includes a feeding device mounted on the first box conveying device. The feeding device is located on the side of the mold unloading mechanism away from the flip-top device. The feeding device is used to feed the first box and the second box after the supporting mold is opened and removed.

5. A box assembly machine according to claim 3, characterized in that: The box assembly machine also includes a mold conveying mechanism located on the other side of the first box conveying device. The conveying direction of the first box conveying device is opposite to that of the mold conveying mechanism. The mold picking and placing device and the unloading device are located at both ends of the mold conveying mechanism. The mold conveying mechanism is used to convey and support molds.

6. A box assembly machine according to claim 1, characterized in that: The box assembly machine also includes a first box feeding mechanism movably disposed at the feeding end of the first box conveying device. The first box feeding mechanism is used to feed the first box with connecting pieces onto the first box conveying device.

7. A box assembly machine according to claim 1, characterized in that: The second box supply device includes a second box conveying mechanism for conveying the second box, a second box positioning mechanism disposed at the discharge end of the second box conveying mechanism, and a second box feeding mechanism movably disposed at the feed end of the second box conveying mechanism. The second box feeding mechanism is used to feed the second box to the second box conveying mechanism, and the second box positioning mechanism is used to position the second box conveyed by the second box conveying mechanism. The assembly device is correspondingly disposed with the second box positioning mechanism.

8. A box assembly method, characterized in that: The application of the box assembly machine according to any one of claims 1 to 7 includes the following steps: The first box with connecting pieces is fed onto the first box conveyor, and the first box conveyor conveys the first box. During the process of conveying the first box, the first box passes through the mold picking and placing device, the assembly device and the roller pressing and bonding device. The mold placement device places the support mold inside the inner cavity of the first box, with the top of the support mold protruding outside the opening of the first box. The assembly device covers the second box body on top of the support mold, so that the second box body covers the first box body, and the connecting piece of the first box body is located outside one side wall of the second box body; The roll forming and bonding device rolls and bonds the connecting piece of the first box body to the side wall of the second box body to produce a box.

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