Boxing machine with upper cover opening function

Abstract

The invention belongs to the field of boxing equipment, and provides an upper cover opening boxing machine which comprises a rack, a conveying belt, a conveying chain, a pre-forming assembly and a final forming assembly. Wherein the conveying belt is connected to the rack and used for conveying box body blanks; the conveying chain and the conveying belt are vertically arranged at an interval; the pre-forming assembly comprises a connecting plate connected between the conveying belt and the conveying chain and further comprises side plates which are perpendicular to the connecting plate and can be close to or away from each other, the connecting plate is connected to the tail end of the conveying belt, and the final forming assembly comprises clamping plates connected to the conveying chain at intervals. The suction cup is movably installed on the rack and can take materials from the conveying belt through movement, the clamping plates are parallel to the side plates, preset intervals for forming target box bodies are formed between the clamping plates, and the moving path of the suction cup is perpendicular to the conveying chain and can sequentially penetrate through the intervals between the clamping plates and the intervals between the side plates.

Description

Technical Field

[0001] The present application belongs to the field of cartoning equipment, and in particular to a top-opening cartoning machine. Background Art

[0002] Cartoning machines are a type of automated equipment widely used in industries such as food and pharmaceuticals. They are used to unfold flat box blanks into shape and then load products into them. Traditional cartoning machines typically use conveyor belts to transport the box blanks to the forming station, where a mechanical mechanism then unfolds the box and loads the products. However, existing equipment is prone to irregular folding during the box forming stage due to deviations in blank positioning. Furthermore, during the final forming stage, due to inaccurate coordination between the material removal mechanism and the conveyor chain, the box often becomes stuck, deformed, or shifted. These defects not only reduce the molding qualification rate but also severely restrict cartoning efficiency due to frequent machine stops for adjustments. Therefore, it is necessary to solve the above-mentioned technical problems. Summary of the Invention

[0003] The purpose of the embodiments of the present application is to provide a top-opening cartoning machine to solve the technical problem of low box body forming efficiency of cartoning machines in the prior art.

[0004] To achieve the above-mentioned purpose, the technical solution adopted in this application is to provide a top-opening cartoning machine, comprising: frame; A conveyor belt connected to the frame and used for conveying box blanks; A conveyor chain is arranged perpendicular to the conveyor belt and spaced apart; A preforming assembly includes a connecting plate connected between the conveyor belt and the conveyor chain, and side plates perpendicular to the connecting plate and capable of moving closer to or farther away from each other, the connecting plate being connected to the end of the conveyor belt, and the side plates cooperating with the connecting plate to form a feeding channel located between the conveyor belt and the conveyor chain; The final forming assembly includes card plates connected to the conveyor chain at intervals, and also includes a suction cup movably mounted on the frame and capable of picking up materials from the conveyor belt by movement, the card plates are parallel to the side plates and a predetermined spacing is formed between the card plates for forming the target box body, and the moving path of the suction cup is perpendicular to the conveyor chain and can sequentially pass through the spacing between the card plates and the spacing between the side plates.

[0005] Optionally, the preforming assembly further comprises a conveyor belt shaft, a feeding cylinder, a ratchet wheel and a rocker arm; The conveyor belt shaft is connected to both ends of the conveyor belt and is used to support the conveyor belt, the feeding cylinder is connected to the frame, the ratchet is coaxially connected to the conveyor belt shaft, one end of the rocker arm is connected to the ratchet, and the other end is hinged to the output end of the feeding cylinder.

[0006] Optionally, the preforming assembly further comprises a guide rod parallel to the conveyor belt; The guide rod is spaced apart from the feeding surface of the conveyor belt and is used to provide movement guide for the box blank.

[0007] Optionally, the top-opening cartoning machine further comprises a driving cylinder whose output direction is perpendicular to the conveyor belt, and at least one of the side panels is connected to the driving cylinder and can be driven by the driving cylinder.

[0008] Optionally, a plurality of guide rods are arranged at intervals in a direction perpendicular to the feeding surface of the conveyor belt.

[0009] Optionally, the final forming assembly further includes a servo motor, a synchronous belt and a box pulling head; The servo motor is mounted on the frame, the synchronous belt is connected to the power end of the servo motor and can be driven by the servo motor to move back and forth, the box puller is connected to the synchronous belt and the suction cup is mounted on the box puller.

[0010] Optionally, the final forming assembly further comprises a linear rail parallel to the conveyor belt and a sliding seat slidably connected to the linear rail; The box pulling head is connected to the sliding seat and is connected to the synchronous belt through the sliding seat.

[0011] Optionally, the final forming assembly further comprises a pull rod parallel to the conveyor belt; Two ends of the pull rod are respectively connected to the box pull head and the sliding seat.

[0012] Optionally, a plurality of evenly distributed hollow holes are formed on the card plate.

[0013] Optionally, the final forming assembly further comprises a guide rail parallel to the conveying chain; The guide rails are arranged in the hollow holes opened at both sides and are used to provide movement guides for the target box body.

[0014] The beneficial effect of the top-opening cartoning machine provided by the present application is that, compared with the prior art, in the top-opening cartoning machine provided by the present application, after the box blank is horizontally conveyed to the end by the conveyor belt, the suction cup moves forward to suck the last box blank and pulls it back in the direction of the pallet, and the box blank enters the feeding channel formed by the connection plate and the side plate through the connecting plate. At this time, the side plates that can move closer to or farther away from each other cooperate with the connecting plate to preliminarily constrain the blank to form a preformed structure; then the suction cup continues to move back along a path perpendicular to the conveyor chain, continues to suck the preformed blank so that it continues to move and reaches the predetermined spacing between the pallets on the conveyor chain, so that the blank is unfolded into the target box body within the pallet spacing, and the suction cup is released. At this time, the target The box body is stuck in the predetermined distance between the pallets and moves forward with the conveyor chain and enters the guide area of ​​the guide rail. Since the stop position of the suction cup is flush with the guide surface of the guide rail, the suction cup edge also has an auxiliary supporting effect on the corresponding side wall of the target box body before the target paper box enters the guide area of ​​the guide rail, thereby avoiding the rebound deformation of the target box body; the pre-forming component pre-regularizes the blank, effectively avoiding the positioning offset and folding deformation in the forming process, and significantly improving the accuracy and stability of the box body forming shape. At the same time, the continuous action of the suction cup passing through the gap between the side plate and the pallet in parallel shortens the transfer path, making the box body forming process seamless, and ultimately greatly improving the box body forming efficiency of the upper opening cartoning machine in this application, which is far superior to the existing technology. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following briefly introduces the drawings required for use in the embodiments or descriptions of the prior art. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0016] Figure 1 Schematic diagram of the overall structure of the top-opening cartoning machine in the embodiment of the present application; Figure 2 This is a partial schematic diagram of the top-opening cartoning machine in an embodiment of the present application; Figure 3 for Figure 2 A partial enlarged view of point A in the middle.

[0017] Among them, the figure marks in the figure are: 101, frame; 102, conveyor belt; 103, conveyor chain; 104, connecting plate; 105, side plate; 106, feeding channel; 107, clamping plate; 108, suction cup; 109, conveyor belt shaft; 110, feeding cylinder; 111, ratchet; 112, rocker arm; 113, guide rod; 114, driving cylinder; 115, servo motor; 116, synchronous belt; 117, box pulling head; 118, linear rail; 119, sliding seat; 120, pull rod; 121, hollow hole; 122, guide rail; 200, paper feeding assembly; 300, cover closing assembly; 400, push head; 500, finished product conveyor belt; 600, feeding robot. DETAILED DESCRIPTION

[0018] In order to make the technical problems, technical solutions and beneficial effects to be solved by this application more clearly understood, this application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain this application and are not intended to limit this application.

[0019] It should be noted that when an element is referred to as being “fixed on” or “disposed on” another element, it may be directly on the other element or indirectly on the other element. When an element is referred to as being “connected to” another element, it may be directly connected to the other element or indirectly connected to the other element.

[0020] It should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on this application.

[0021] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. Throughout the description of this application, "plurality" means two or more, unless otherwise specifically defined.

[0022] See also Figures 1 to 3 The following describes a top-opening cartoning machine provided in an embodiment of the present application. The top-opening cartoning machine includes a frame 101, a conveyor belt 102, a conveyor chain 103, a pre-forming component, and a final forming component. The conveyor belt 102 is connected to the frame 101 and is used to convey the box blanks; the conveyor chain 103 is perpendicular to the conveyor belt 102 and is arranged at intervals; the pre-forming component includes a connecting plate 104 connected between the conveyor belt 102 and the conveyor chain 103, and also includes a side plate 105 perpendicular to the connecting plate 104 and capable of approaching or moving away from each other, the connecting plate 104 is connected to the end of the conveyor belt 102, and the side plate 105 cooperates with the connecting plate 104 to form a feeding channel 106 located between the conveyor belt 102 and the conveyor chain 103; the final forming component includes a card plate 107 connected to the conveyor chain 103 at intervals, and also includes a suction cup 108 movably mounted on the frame 101 and capable of taking material from the conveyor belt 102 by movement, the card plate 107 is parallel to the side plate 105 and a predetermined spacing for forming the target box body is formed between the card plates 107, and the moving path of the suction cup 108 is perpendicular to the conveyor chain 103 and can pass through the spacing between the card plates 107 and the spacing between the side plates 105 in sequence. It can be understood that the box loading efficiency can be further improved by connecting multiple sets of card plates 107 to the conveyor chain 103; in this embodiment, it also includes a feeding robot 600, several sets of paper feeding components 200, a cover closing component 300, a pusher head 400 arranged at the end of the conveyor chain 103, and a finished product conveyor belt 500 arranged parallel to the side of the end of the conveyor chain 103, which are arranged on the frame 1 in sequence along the direction of travel of the conveyor chain 103; wherein the feeding robot 600 is used to load materials into the expanded target box body, and the paper feeding component 200 is used to push the target box body The instruction manual is loaded inside, and the cover closing assembly 300 is used to close the upper cover of the target box body filled with materials. The push head 400 is pushed by a linear drive device to push the target box body from the upper clamping plate 107 of the conveyor chain 103 to the finished product conveyor belt 500, that is, the moving direction of the push head 400 is perpendicular to the traveling direction of the conveyor chain 103. When the push head 400 moves, the conveyor chain 103 will be paused. Here, the feeding robot 600, several groups of paper feeding assemblies 200, the cover closing assembly 300, the push head 400, and the finished product conveyor belt 500 can adopt existing technologies.

[0023] The box body blank is transported to the end by the conveyor belt 102 horizontally, and the suction cup 108 is moved forward to suck the last box body blank and pull it back in the direction of the card plate 107. The box body blank enters the feeding channel 106 formed by the connecting plate 104 and the side plate 105 through the connecting plate 104. At this time, the side plates 105 that can move closer to or farther away from each other cooperate with the connecting plate 104 to perform preliminary constraint on the blank to form a preformed structure; then the suction cup 108 continues to move back along the path perpendicular to the conveyor chain 103, continues to suck the preformed blank so that it continues to move and reaches the predetermined distance between the card plates 107 on the conveyor chain 103, so that the blank is unfolded into the target box body within the interval of the card plates 107, and the suction cup is released. At this time, the target box body is stuck in the predetermined distance between the card plates and moves forward with the conveyor chain and enters the guide area of ​​the guide rail 122. The stop position of the suction cup 108 is flush with the guide surface of the guide rail 122. Therefore, before the target paper box enters the guide area of ​​the guide rail 122, the edge of the suction cup 108 also has an auxiliary supporting effect on the corresponding side wall of the target box body, thereby avoiding the rebound deformation of the target box body; the pre-formed component pre-regularly constrains the blank, effectively avoiding positioning offset and folding deformation during the forming process, and significantly improving the accuracy and stability of the box body forming form. At the same time, the continuous action of the suction cup 108 passing through the gap between the side plate 105 and the card plate 107 in parallel shortens the transfer path, making the box body forming process seamlessly connected, and ultimately greatly improving the box body forming efficiency of the top-opening cartoning machine in this embodiment, which is far superior to the prior art. Here, it can be understood that when the suction cup 108 is in action, the conveyor chain 103 will pause. It can be understood that this embodiment is suitable for paper box types that do not need to close the bottom of the box, that is, the box type whose bottom is already in a closed state when the paper box is unfolded to become the target box body.

[0024] In another embodiment of the present application, see Figures 1 to 3 The preforming assembly also includes a conveyor belt shaft 109, a feeding cylinder 110, a ratchet 111 and a rocker arm 112; the conveyor belt shaft 109 is connected to both ends of the conveyor belt 102 and is used to support the conveyor belt 102, the feeding cylinder 110 is connected to the frame 101, and the ratchet 111 is coaxially connected to the conveyor belt shaft 109. One end of the rocker arm 112 is connected to the ratchet 111, and the other end is hinged to the output end of the feeding cylinder 110, so that the blank conveying rhythm can be dynamically matched with the position of the card plate 107, eliminating the positioning deviation caused by traditional continuous conveying, thereby further improving the box body forming efficiency of the top-opening cartoning machine in this embodiment.

[0025] In another embodiment of the present application, see Figures 1 to 3The preforming assembly further includes a guide rod 113 parallel to the conveyor belt 102; the guide rod 113 is spaced apart from the feeding surface of the conveyor belt 102 and is used to provide a moving guide for the box body blank. According to the above structure provided in this embodiment, when the box body blank moves on the surface of the conveyor belt 102, the parallel guide rod 113 is spaced apart from the feeding surface of the conveyor belt 102, forming a guide space covering the top of the blank, limiting the vertical displacement and lateral deflection of the blank during the conveying process; when the blank is stepped along the conveyor belt 102, the guide rod 113 continuously constrains its moving trajectory, ensuring that the blank always arrives at the connection plate 104 at the end of the conveyor belt 102 accurately along a straight path. This is conducive to further improving the box body forming efficiency of the top-opening cartoning machine in this embodiment.

[0026] In another embodiment of the present application, see Figures 1 to 3 The top-opening cartoning machine further includes a driving cylinder 114 whose output direction is perpendicular to the conveyor belt 102. At least one side plate 105 is connected to and driven by the driving cylinder 114. According to the above structure provided in this embodiment, the driving cylinder 114 connected to the side plate 105 can stably drive the two side plates 105 toward or away from each other, which helps further improve the box body forming efficiency of the top-opening cartoning machine in this embodiment.

[0027] In another embodiment of the present application, see Figures 1 to 3 Guide rods 113 are arranged at intervals in a direction perpendicular to the feeding surface of the conveyor belt 102. According to the structure provided in this embodiment, the multiple layers of guide rods 113 form a stepped guide barrier above the blanks. This can simultaneously suppress vibration offsets and posture fluctuations in different areas of the box blanks during conveyance, thereby further improving the box forming efficiency of the top-opening cartoning machine in this embodiment.

[0028] In another embodiment of the present application, see Figures 1 to 3The final forming component also includes a servo motor 115, a synchronous belt 116 and a box pulling head 117; the servo motor 115 is installed on the frame 101, the synchronous belt 116 is connected to the power end of the servo motor 115 and can be driven by the servo motor 115 to move back and forth, the box pulling head 117 is connected to the synchronous belt 116 and the suction cup 108 is installed on the box pulling head 117. According to the above structure provided in this embodiment, the servo motor 115 accurately controls the reciprocating movement trajectory of the box pulling head 117 through the synchronous belt 116, so that the suction cup 108 runs stably at high speed along a path perpendicular to the conveyor chain 103 and stops accurately at a preset position, ensuring that the suction cup 108 passes through the interval of the side plate 105 in turn to pick up the material, and then seamlessly transfers the blank to the interval of the card plate 107 for final forming, and the suction cup 108 after being released provides auxiliary support for the target box body at the stop position to ensure that the target box body is formed completely, which is conducive to eliminating the positioning jitter and speed fluctuation existing in traditional pneumatic drives. The box body is moved, thereby further improving the box body forming efficiency of the top-opening cartoning machine in this embodiment. It can be understood that the optimal stopping position of the suction cup 108 is that the edge of the suction cup 108 is flush with the guide surface of the guide rail 122 after the suction cup 108 stops, so that it will not interfere with the movement of the card plate 107 along the conveyor chain 103, and effectively support the target box body in sliding. The principle is that the suction cup 108 no longer sucks the box body after it is released, but the suction cup 108 itself still has a certain rigidity to support the target box body. When the card plate 107 drives the target box body to move, the side wall of the target box body can smoothly slide over the edge of the suction cup 108.

[0029] In another embodiment of the present application, see Figures 1 to 3 The final forming assembly further includes a linear rail 118 parallel to the conveyor belt 102 and a sliding seat 119 slidably connected to the linear rail 118; a box pulling head 117 is connected to the sliding seat 119 and is connected to the synchronous belt 116 via the sliding seat 119. According to the above structure provided in this embodiment, the linear rail 118 provides a highly rigid linear guide for the sliding seat 119, allowing the box pulling head 117 driven by the synchronous belt 116 to always move along a precise path parallel to the conveyor belt 102, ensuring that the suction cup 108 does not deviate radially when passing through the gap between the side plate 105 and the clamping plate 107. This helps eliminate trajectory deviation of the suction cup 108 during the process of transferring the blank, thereby further improving the box body forming efficiency of the top-opening cartoning machine in this embodiment.

[0030] In another embodiment of the present application, see Figures 1 to 3The final forming assembly further includes a pull rod 120 parallel to the conveyor belt 102; the ends of the pull rod 120 are connected to the box drawing head 117 and the sliding seat 119, respectively. According to the structure provided in this embodiment, the box drawing head 117 is pulled by the synchronous belt 116 via the pull rod 120, which significantly shortens the effective drive length of the synchronous belt 116. This not only helps to reduce positioning delays and trajectory deviations caused by the elastic deformation of the synchronous belt 116, but also further improves the box forming efficiency of the top-opening cartoning machine in this embodiment.

[0031] In another embodiment of the present application, see Figures 1 to 3 A plurality of evenly distributed hollow holes 121 are formed on the card plate 107. According to the structure provided in this embodiment, the evenly distributed hollow holes 121 can significantly reduce the overall weight of the card plate 107 and reduce its windage area, thereby simultaneously reducing the inertial load and airflow disturbance when the conveyor chain 103 drives the card plate 107 to move. This helps further improve the box body forming efficiency of the top-opening cartoning machine in this embodiment.

[0032] In another embodiment of the present application, see Figures 1 to 3 The final forming assembly further includes guide rails 122 parallel to the conveyor chain 103; the guide rails 122 extend through the hollow holes 121 with openings on both sides and are used to provide a guide for the target box body. According to the structure provided in this embodiment, the guide rails 122 pass through the hollow holes 121 of the pallet 107 to provide rigid linear constraints on both sides of the target box body, preventing the box body from lateral deflection during transfer within the gap between the pallet 107. This effectively prevents the target box body from escaping the gap between the pallet 107 during transfer. It should be noted that during implementation, the position of the guide rails 122 needs to be flexibly adjusted to avoid obstructing the transfer of the box body blank from the feeding channel 106 to the pallet 107. It is understood that the guide rails 122 are parallel to the direction of travel of the conveyor chain 103, and the distance the guide rails 122 enter the hollow holes 121 from the opening along the conveyor chain 103 in a direction perpendicular to the conveyor chain 103 can be adjusted by a mechanical adjustment support assembly such as a support rod (not shown) mounted on the frame 1 to accommodate target boxes of different sizes.

[0033] The above description is only a preferred embodiment of the present application and is not intended to limit the present application. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present application should be included in the scope of protection of the present application.

Claims

1. A top-opening cartoning machine, characterized in that: include: Rack(101); A conveyor belt (102), connected to the frame (101) and used for conveying box blanks; A conveyor chain (103) is arranged perpendicular to and spaced apart from the conveyor belt (102); A preforming assembly, comprising a connecting plate (104) connected between the conveyor belt (102) and the conveyor chain (103), and also comprising side plates (105) perpendicular to the connecting plate (104) and capable of moving closer to or farther away from each other, wherein the connecting plate (104) is connected to the end of the conveyor belt (102), and the side plates (105) cooperate with the connecting plate (104) to form a feeding channel (106) located between the conveyor belt (102) and the conveyor chain (103); The final forming component includes a card plate (107) connected to the conveyor chain (103) at intervals, and also includes a suction cup (108) movably mounted on the frame (101) and capable of picking up materials from the conveyor belt (102) by movement, the card plate (107) is parallel to the side plate (105) and a predetermined spacing is formed between the card plates (107) for forming a target box body, and the moving path of the suction cup (108) is perpendicular to the conveyor chain (103) and can sequentially pass through the intervals between the card plates (107) and the intervals between the side plates (105).

2. The top-opening cartoning machine according to claim 1, characterized in that: The preforming assembly further includes a conveyor belt shaft (109), a feeding cylinder (110), a ratchet wheel (111), and a rocker arm (112); The conveyor belt shaft (109) is connected to both ends of the conveyor belt (102) and is used to support the conveyor belt (102), the feeding cylinder (110) is connected to the frame (101), the ratchet (111) is coaxially connected to the conveyor belt shaft (109), one end of the rocker arm (112) is connected to the ratchet (111), and the other end is hinged to the output end of the feeding cylinder (110).

3. The top-opening cartoning machine according to claim 2, characterized in that: The preforming assembly further comprises a guide rod (113) parallel to the conveyor belt (102); The guide rod (113) is spaced apart from the feeding surface of the conveyor belt (102) and is used to provide movement guidance for the box blank.

4. The top-opening cartoning machine according to claim 2, characterized in that: The top-opening cartoning machine further comprises a driving cylinder (114) whose output direction is perpendicular to the conveyor belt (102); at least one side plate (105) is connected to the driving cylinder (114) and can be driven by the driving cylinder (114).

5. The top-opening cartoning machine according to claim 4, characterized in that: The guide rods (113) are arranged at intervals in a direction perpendicular to the feeding surface of the conveyor belt (102).

6. The top-opening cartoning machine according to claim 1, characterized in that: The final forming assembly further includes a servo motor (115), a synchronous belt (116), and a box pulling head (117); The servo motor (115) is mounted on the frame (101), the synchronous belt (116) is connected to the power end of the servo motor (115) and can be driven by the servo motor (115) to move reciprocatingly, the box pulling head (117) is connected to the synchronous belt (116), and the suction cup (108) is mounted on the box pulling head (117).

7. The top-opening cartoning machine according to claim 6, characterized in that: The final forming assembly further includes a linear rail (118) parallel to the conveyor belt (102) and a sliding seat (119) slidably connected to the linear rail (118); The box pulling head (117) is connected to the sliding seat (119) and is connected to the synchronous belt (116) through the sliding seat (119).

8. The top-opening cartoning machine according to claim 7, characterized in that: The final forming assembly further includes a pull rod (120) parallel to the conveyor belt (102); Both ends of the pull rod (120) are respectively connected to the box pull head (117) and the sliding seat (119).

9. The top-opening cartoning machine according to claim 1, characterized in that: A plurality of evenly distributed hollow holes (121) are formed on the clamping plate (107).

10. The top-opening cartoning machine according to claim 9, characterized in that: The final forming assembly further includes a guide rail (122) parallel to the conveying chain (103); The guide rail (122) is arranged through the hollow hole (121) with openings on both sides and is used to provide movement guidance for the target box body.

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