Packaging box packaging device

Abstract

The utility model relates to the technical field of material packaging equipment, in particular to a packaging box packaging device which comprises a base and a feeding structure arranged on the base and further comprises a conveying structure, a box opening structure, a material conveying structure, a packaging structure and a box closing structure which are arranged on the base. The packaging structure comprises a first packaging assembly and a second packaging assembly, the first packaging assembly comprises a first material taking part, the second packaging assembly comprises a second material taking part, and the first material taking part and the second material taking part face the material conveying structure; the box closing structure comprises a box closing guide rail, a box closing pushing piece arranged on the box closing guide rail and a box closing blocking base arranged on the base, and the box closing blocking base is located on one side of the box closing pushing piece. The packaging strip boxes are conveyed to the conveying structure through the feeding structure, after the box opening structure opens the packaging strip boxes, the packaging structure loads the small packaging boxes into the packaging strip boxes, the box closing pushing piece drives the packaging strip boxes to be closed, manual operation is not needed in the whole packaging process, time and labor are saved, and the packaging efficiency is effectively guaranteed.

Description

Technical Field

[0001] This application relates to the field of material packaging equipment technology, and in particular to a packaging box packaging device. Background Technology

[0002] A packaging box is a box used to hold and package materials. Depending on the process requirements, some materials need to be further packaged into larger boxes. For example, in cigarette production, cigarettes need to be packaged into small boxes, and then these small boxes containing cigarettes are packaged into larger cartons. Currently, the larger cartons require two layers of smaller boxes. The conventional packaging method is manual packaging, where operators place the smaller boxes into the larger carton in sequence to fill two layers. This method requires operators to continuously remove smaller boxes from the conveyor belt and fill them into the larger carton. Prolonged manual labor can lead to operator fatigue, resulting in low packaging efficiency and high manpower consumption. Utility Model Content

[0003] The purpose of this application is to provide a packaging box packing device, which aims to improve the efficiency of packaging box packing and improve the problem of labor-intensive and inefficient manual packing in related technologies.

[0004] This application provides a packaging box packing device, including a base and a feeding structure disposed on the base, and further including a transport structure, a box opening structure, a material conveying structure, a packing structure, and a box closing structure disposed on the base; the material conveying structure is located on one side of the packing structure; the packing structure includes a first packing component and a second packing component, the first packing component including a first packing guide rail and a first material picking component disposed on the first packing guide rail, the second packing component including a second packing guide rail and a second material picking component disposed on the second packing guide rail, the first material picking component and the second material picking component facing the material conveying structure; the box closing structure includes a box closing guide rail, a box closing pusher disposed on the box closing guide rail, and a box closing stop seat disposed on the base, the box closing stop seat being located on one side of the box closing pusher.

[0005] Furthermore, the second material handling component includes a second material handling seat disposed on the first packaging guide rail, the second material handling seat being hinged to a rotating seat, the rotating seat being provided with a second material handling suction cup, the second material handling suction cup being oriented towards the material conveying structure.

[0006] Furthermore, the first material handling component includes a first material handling seat disposed on the first packaging guide rail, the first material handling seat being provided with a first material handling suction cup, the first material handling suction cup being oriented towards the material conveying structure.

[0007] Furthermore, the material conveying structure includes a material conveying guide rail, which has a bottom material belt and side material belts on both sides of the material conveying guide rail; the bottom material belt and the side material belts surround to form a cavity that can accommodate two layers of small packaging boxes.

[0008] Furthermore, the closing box pusher includes a closing box seat disposed on the closing box guide rail, the closing box seat is provided with a closing box tilting baffle, the closing box tilting baffle facing the closing box blocking seat; the closing box blocking seat has a closing box crossbar, the closing box crossbar is horizontally disposed, and the closing box tilting baffle is close to or away from the closing box crossbar.

[0009] Furthermore, the transport structure includes a conveying assembly disposed on the base and a plurality of positioning assemblies disposed on the conveying assembly. The positioning assemblies include positioning fixtures for clamping the carton. The positioning fixtures include two fixture seats, with a cavity for accommodating the carton between the two fixture seats. A first limiting block and a second limiting block are disposed on opposite sides of adjacent fixture seats to prevent the carton from accidentally entering. The first limiting block and the second limiting block are slidably connected to the fixture seats by springs. The transport structure also includes a positioning drive assembly for driving the first limiting block and the second limiting block.

[0010] Furthermore, the positioning drive assembly includes a first positioning drive member and a second positioning drive member. The first positioning drive member is provided with a wedge block facing the first limiting block. The first limiting block has a first groove, and the wedge block contacts or disengages from the first groove. The second positioning drive member is provided with a top block facing the second limiting block. The second limiting block has a second groove, and the top block contacts or disengages from the second groove.

[0011] Furthermore, the box opening structure includes a box opening support base disposed on the base and a box opening assembly. The box opening assembly includes a box opening arm rotatably connected to the box opening support base and a plurality of box opening suction cups disposed on the box opening arm, with the plurality of box opening suction cups facing the transport structure.

[0012] The beneficial effects of this application are:

[0013] 1. A packaging box packing device according to this application, wherein packaging strips are conveyed to a transport structure via a feeding structure, while a conveying structure simultaneously transports small packaging boxes. After the opening structure opens the packaging strips, the packaging strips move to the packing structure under the drive of the transport structure. A first packing component uses a first picking component to pick up the first layer of small packaging boxes from the conveying structure and place them in the packaging strip. A second packing component uses a second picking component to pick up the second layer of small packaging boxes from the conveying structure and place them in the packaging strip. After the packaging strip containing the two layers of small packaging boxes is transported to the closing structure, a closing pusher pushes the packaging strip towards the closing stop seat, thereby closing the packaging strip. The entire packing process requires no manual operation, saving time and labor, and effectively ensuring packing efficiency.

[0014] 2. A packaging box packing device of this application includes a first picking component with a first picking seat and a first picking suction cup. The first picking component can vertically pick up small packaging boxes to place the first layer of material. The second picking component has a rotating seat that can rotate relative to the second picking seat, thereby causing the material to flip and be placed on the open outer cover of the carton. This allows the second picking component to either place the material on the first layer of material for further stacking or place the material on the open outer cover, meeting different process requirements and increasing the applicability of the packaging box packing device. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of a packaging box packing device provided in an embodiment of this application;

[0016] Figure 2 This is a schematic diagram of the feeding structure, transportation structure and box opening structure in the implementation of this application;

[0017] Figure 3 This is a schematic diagram of the feeding structure and the transportation structure in the implementation of this application;

[0018] Figure 4 yes Figure 3 A magnified view of part A in the middle;

[0019] Figure 5 yes Figure 3 A magnified view of part B in the middle section;

[0020] Figure 6 This is a schematic diagram of the box-opening structure in the implementation of this application;

[0021] Figure 7 This is a schematic diagram of the material conveying structure, packaging structure, box closing structure and unloading structure in the implementation of this application;

[0022] Figure 8 yes Figure 7 A magnified view of part C in the middle;

[0023] Figure 9 yes Figure 7 A magnified view of part D in the middle;

[0024] Figure 10 yes Figure 7 A magnified view of part E in the middle;

[0025] Figure 11 This is a schematic diagram of the closed-box structure in the implementation of this application;

[0026] Figure 12 yes Figure 11 A magnified view of part F in the middle section.

[0027] Explanation of reference numerals in the attached figures:

[0028] 1. Base; 2. Feeding structure; 3. Transport structure; 31. Conveying assembly; 311. Conveying roller; 312. Conveyor belt; 32. Positioning assembly; 321. Positioning fixture; 3211. Fixture base; 32111. First limiting seat; 32112. Second limiting seat; 3212. First limiting block; 3213. Second limiting block; 33. Positioning drive assembly; 331. First positioning drive component; 3311. Wedge block; 332. Second positioning drive component; 3321. Top block; 4. Box opening structure; 41. Box opening support base; 411. Box opening guide rail; 42. Box opening assembly; 421. Box opening rotating arm; 422. Box opening suction cup; 43. Box opening drive component; 5. Material conveying structure; 5 1. Material conveying guide rail; 52. Bottom material belt; 53. Side material belt; 6. Packaging structure; 61. First packaging assembly; 611. First packaging guide rail; 612. First material picking component; 613. First packaging drive component; 62. Second packaging assembly; 621. Second packaging guide rail; 622. Second material picking component; 6221. Second material picking seat; 6222. Rotary seat; 6223. Second material picking suction cup; 7. Box closing structure; 71. Box closing guide rail; 72. Box closing push component; 721. Box closing seat; 722. Box closing tilt baffle; 73. Box closing blocking seat; 731. Box closing crossbar; 74. Pressing assembly; 741. Pressing seat; 742. Pressing rod; 743. Pressing drive component; 8. Material unloading structure. Detailed Implementation

[0029] To make the objectives, technical solutions, and advantages of this application clearer, the following detailed description is provided in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the scope of this application.

[0030] It should be noted that although functional modules are divided in the device schematic diagram and a logical order is shown in the flowchart, in some cases, the steps shown or described may be performed in a different order than the module division in the device or the order in the flowchart. The terms "first," "second," etc., in the specification, claims, and the aforementioned drawings are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence.

[0031] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein is for the purpose of describing embodiments of this application only and is not intended to limit this application.

[0032] Reference Figure 1 , Figure 2 as well as Figure 3 This application provides a packaging box packing device, including a base 1 and a feeding structure 2 disposed on the base 1, as well as a transport structure 3, an opening structure 4, a conveying structure 5, a packing structure 6, and a closing structure 7 disposed on the base 1. When the packaging box packing device is running, the packaging strips are conveyed to the transport structure 3 via the feeding structure 2, while the conveying structure 5 transports the small packaging boxes. After the opening structure 4 opens the packaging strips, the packaging strips move to the packing structure 6 under the drive of the transport structure 3. The packing structure 6 takes one layer of small packaging boxes from the conveying structure 5 and places them into the packaging strip. After the packaging strip containing two layers of small packaging boxes is transported to the closing structure 7, the closing structure 7 closes the packaging strip. The entire packing process requires no manual operation, saving time and effort and effectively ensuring packing efficiency.

[0033] Specifically, the base 1 supports the various structures, and the feeding structure 2 transports the packaging boxes to the transport structure 3. In this embodiment, the feeding structure 2 includes a feeding assembly and a pushing assembly. The feeding assembly includes several feeding rollers and a feeding belt rotatably connected to the base 1. The feeding rollers are horizontally arranged, and the feeding belt covers the feeding rollers. The feeding rollers are driven by a motor to rotate. Driven by the feeding rollers, the stacked packaging boxes are transported along the feeding belt to the transport structure 3. The pushing assembly includes a pushing cylinder and a pushing block. Driven by the pushing cylinder, the pushing block pushes the packaging boxes out of the feeding belt and into the positioning and conveying structure. It can be understood that the feeding structure 2 can also be a robotic arm or a multi-axis mechanical suction cup, as long as it is used to feed the packaging boxes.

[0034] Reference Figure 3 , Figure 4 as well as Figure 5The transport structure 3 includes a conveying assembly 31, a plurality of positioning components 32 disposed on the conveying assembly 31, and a positioning drive assembly 33 for opening the positioning components 32. Specifically, to accommodate the installation of the conveying assembly 31, the base 1 has a conveying groove along its length. The conveying assembly 31 includes a plurality of conveying rollers 311 rotatably connected to the base 1 and a conveyor belt 312. The plurality of conveying rollers 311 are located in the conveying groove and are arranged along the length of the conveying groove. The conveyor belt 312 covers the plurality of conveying rollers 311. The conveying rollers 311 are driven by a motor, and under the drive of the conveying rollers 311, the conveyor belt 312 drives the plurality of positioning components 32 to move.

[0035] Several positioning components 32 are evenly arranged along the length of the conveyor belt 312. Each positioning component 32 includes a positioning fixture 321 for clamping and fixing the strip box, and a positioning drive component 33 faces the positioning component 32. Taking a single positioning fixture 321 as an example, a single positioning fixture 321 includes two fixture seats 3211, and there is a cavity between the two fixture seats 3211 for accommodating the strip box. It is understood that a single positioning fixture 321 has a cavity, and a single positioning fixture 321 can also cooperate with adjacent positioning fixtures 321 to form a cavity.

[0036] On opposite sides of adjacent fixture seats 3211, there are first limiting seats 32111 and second limiting seats 32112 to prevent the strip box from accidentally entering. The first limiting seat 32111 is fixed in position, and a first limiting block 3212 is slidably connected to the outside of the first limiting seat 32111. The second limiting seat 32112 is slidably connected to the fixture seat 3211 and is located at the four corners of the fixture seat 3211. A second limiting block 3213 is slidably connected to the inside of the second limiting seat 32112. The first limiting block 3212 and the second limiting block 3213 are slidably connected to the corresponding limiting seats by springs. The springs apply a force to the first limiting block 3212 and the second limiting block 3213 toward the other side. In the initial state, the first limiting block 3212 and the second limiting block 3213 extend under the action of the spring, blocking the packaging box from entering and preventing the packaging box from being pushed in by mistake. Subsequently, under the drive of the positioning drive component 33, the first limiting block 3212 and the second limiting block 3213 open to allow the packaging box to be sent in.

[0037] After the packaging box is fed in, the positioning fixture 321 clamps the packaging box under the drive of the positioning drive component 33, that is, the first limiting block 3212 and the second limiting block 3213 open, and the packaging box is fed between the two positioning fixtures 321. Specifically, the first limiting block 3212 is clamped at the middle position in the width direction of the packaging box, and the first limiting block 3212 is used to position and fix the overall position of the packaging box. The second limiting blocks 3213 are clamped on both sides in the width direction of the packaging box, one of which is the rotating side of the outer cover, so that one of the second limiting blocks 3213 can be used to restrict the rotation of the outer cover of the packaging box, so as to prevent the outer cover from being accidentally opened and affecting subsequent processes. It should be noted that the number and position of the limiting blocks can be adjusted according to actual needs.

[0038] The positioning drive assembly 33 includes a first positioning drive member 331 and a second positioning drive member 332. The first positioning drive member 331 is a cylinder. The first positioning drive member 331 is provided with a wedge 3311 facing the first limiting block 3212. The first limiting block 3212 has a first groove. The wedge 3311 contacts or disengages from the first groove. Under the drive of the cylinder, the wedge 3311 extends out and contacts the first groove. Under the drive of the wedge 3311, the two first limiting members move away from each other to open. Similarly, the second positioning drive 332 is a cylinder. The second positioning drive 332 is provided with a top block 3321 facing the second limiting block 3213. The second limiting block 3213 has a second groove. The top block 3321 contacts or disengages from the second groove. Under the drive of the cylinder, the top block 3321 extends out and contacts the second groove. Under the drive of the top block 3321, the two second limiting blocks 3213 and the corresponding second limiting seats 32112 move away from each other to open and release the limiting of the outer cover.

[0039] Reference Figures 3 to 6 After the packaging box is fed in, the first positioning drive 331 moves away from the corresponding groove, so that the first limiting block 3212 clamps the two sides of the packaging box; the second positioning drive 332 remains open so that the box opening structure 4 can open the outer cover of the packaging box. The box opening structure 4 opens the packaging box. Specifically, the box opening structure 4 includes a box opening support 41 set on the base 1, a box opening assembly 42, and a box opening drive 43 for driving the box opening assembly 42. The box opening support 41 has box opening guide rails 411 on both sides. The box opening assembly 42 includes a box opening rotating arm 421 rotatably connected to the box opening support 41 and a plurality of box opening suction cups 422 set on the box opening rotating arm 421. The box opening rotating arm 421 is slidably connected to the box opening guide rail 411 so that the box opening rotating arm 421 can slide along the predetermined direction of the box opening guide rail 411. The plurality of box opening suction cups 422 face the transport structure 3.

[0040] The box-opening drive component 43 is specifically a cylinder. Under the drive of the box-opening drive component 43, the box-opening suction cup 422 approaches and adheres to the outer cover of the packaging box. The box-opening drive component 43 drives the box-opening suction cup 422 to open the outer cover. After the outer cover is opened, the box-opening suction cup 422 releases its adsorption. At the same time, the second positioning drive component 332 releases its restriction on the second limiting block 3213. Since the outer cover is now open, the second limiting block 3213 located on one side of the outer cover will press against one side of the outer cover. The second limiting block 3213 located on the other side of the outer cover will cooperate with the first limiting block 3212 to position the packaging box. Subsequently, the conveying component 31 and the positioning component 32 move to drive the packaging box into the packaging structure 6.

[0041] Reference Figure 7 as well as Figure 8 The conveying structure 5 is located on one side of the packaging structure 6. The conveying structure 5 transports small packaging boxes to the packaging structure 6 for retrieval. The conveying structure 5 includes a conveying guide rail 51, which extends along the length of the base 1 and is parallel to the conveyor belt 312. In this embodiment, the conveying guide rail 51 can simultaneously convey two layers of small packaging boxes. The conveying guide rail 51 has a bottom material belt 52, and side material belts 53 are also provided on both sides of the conveying guide rail 51. The bottom material belt 52 and the side material belts 53 together form a cavity that can accommodate two layers of small packaging boxes. During conveying, the bottom material belt 52 and the side material belts 53 operate synchronously with the same rotation speed. The bottom material belt 52 is used to transport the first layer of small packaging boxes located below, and the side material belts 53 are used to transport the second layer of small packaging boxes located above, thereby enabling simultaneous conveying of two layers of small packaging boxes.

[0042] Reference Figure 7 , Figure 9 as well as Figure 10The packaging structure 6 includes a first packaging component 61 and a second packaging component 62. The first packaging component 61 is used to load a first layer of small packages, and the second packaging component 62 is used to load a second layer of small packages. The first packaging component 61 includes a first packaging guide rail 611, a first material-picking component 612 disposed on the first packaging guide rail 611, and a first packaging drive component 613. The first packaging guide rail 611 is located above the transport structure 3. One end of the first packaging guide rail 611 in the length direction is located above the conveying guide rail 51, and the other end of the first packaging guide rail 611 in the length direction is located above the positioning fixture 321. The first material-picking component 612 faces the conveying structure 5. The first material-picking component 612 includes a first material-picking seat disposed on the first packaging guide rail 611. The first material-picking seat is driven by the first packaging drive component 613, which is a cylinder. The first material-picking seat is provided with a first material-picking suction cup, which faces the conveying structure 5. Driven by the first packaging guide rail 611, the first material picking seat moves to the material conveying guide rail 51. After the first material picking suction cup adsorbs several small packaging boxes, the first packaging guide rail 611 drives the first material picking suction cup to place several small packaging boxes on the first layer of the packaging strip box.

[0043] Similarly, the second packaging assembly 62 includes a second packaging guide rail 621 and a second material-picking component 622 disposed on the second packaging guide rail 621, with the second material-picking component 622 facing the conveying structure 5. One end of the second packaging guide rail 621 along its length is located above the conveying guide rail 51, and the other end along its length is located above the positioning fixture 321. The second material-picking component 622 includes a second material-picking seat 6221 disposed on the first packaging guide rail 611. In this embodiment, in order to adapt the second material-picking component 622 to different process requirements, the second material-picking seat 6221 is hinged to a rotating seat 6222, which is driven to rotate by a cylinder. The rotating seat 6222 is provided with a second material-picking suction cup 6223, with the second material-picking suction cup 6223 facing the conveying structure 5. By setting a rotating seat 6222, the rotating seat 6222 can rotate relative to the second picking seat 6221, thereby causing the material to flip and be placed on the open outer cover of the carton. That is, the second picking component 622 can either place the material on the first layer of material for further stacking, or place the material on the open outer cover, thereby meeting different process requirements and increasing the applicability of the packaging box packing device.

[0044] Reference Figure 11 as well as Figure 12The closing box structure 7 includes a closing box guide rail 71, a closing box pusher 72 disposed on the closing box guide rail 71, and a closing box blocking seat 73 disposed on the base 1. The closing box blocking seat 73 is located on one side of the closing box pusher 72. In this embodiment, the closing box pusher 72 includes a closing box seat 721 disposed on the closing box guide rail 71. The closing box seat 721 is provided with a closing box tilting baffle 722, which faces the closing box blocking seat 73. The closing box blocking seat 73 has a closing box crossbar 731, which is horizontally disposed. The closing box tilting baffle 722 is close to or away from the closing box crossbar 731. Driven by the closing box guide rail 71, the closing box tilting baffle 722 abuts against the packaging box and pushes the packaging box. One side of the closing box tilting baffle 722 contacts the outer cover of the packaging box and the small packaging box placed on the outer cover. The other side of the closing box tilting baffle 722 contacts the first layer of small packaging boxes in the packaging box.

[0045] Driven by the box-closing tilt baffle 722, the packaging box moves toward the box-closing crossbar 731. When the outer cover of the packaging box touches the box-closing crossbar 731, the box-closing tilt baffle 722 reaches its limit stroke and begins to return. During this process, the outer cover contacts the box-closing crossbar 731 and begins to close. During the closing process, the outer cover leans against the returning box-closing tilt baffle 722 to prevent the small packaging boxes filled in the outer cover from falling out, until the outer cover is closed.

[0046] To ensure the outer cover is closed, the closing structure 7 also includes a pressing assembly 74. The pressing assembly 74 includes a pressing seat 741 fixed to the base 1. The pressing seat 741 is provided with a pressing rod 742 and a pressing drive component 743 for driving the pressing rod 742. The pressing drive component 743 is a cylinder. The pressing rod 742 is L-shaped to fit the shape of the packaging box. When the outer cover is closed, the pressing drive component 743 drives the pressing rod 742 to press down, and the pressing rod 742 presses against the outer cover of the packaging box to ensure the outer cover is closed.

[0047] The packaging device also includes a feeding structure 8, which includes a feeding seat and a feeding conveyor belt. When the outer cover is closed, the packaging box with two layers of small packaging boxes has been packaged. The feeding conveyor belt transports the packaging box to a designated location for storage or to the next process.

[0048] Exemplary embodiments of this disclosure have been specifically shown and described above. It should be understood that this disclosure is not limited to the detailed structures, arrangements, or implementations described herein; rather, this disclosure is intended to cover various modifications and equivalent arrangements contained within the spirit and scope of the appended claims.

Claims

1. A packing box packing device, comprising a base (1) and a feeding structure (2) arranged on the base (1), characterized in that, Also include the transportation structure (3), the box opening structure (4), the material conveying structure (5), the packing structure (6) and the box closing structure (7) arranged in the base (1); The material conveying structure (5) is located on one side of the packing structure (6); The packing structure (6) includes a first packing assembly (61) and a second packing assembly (62), the first packing assembly (61) includes a first packing guide rail (611) and a first material taking piece (612) arranged on the first packing guide rail (611), the second packing assembly (62) includes a second packing guide rail (621) and a second material taking piece (622) arranged on the second packing guide rail (621), the first material taking piece (612) and the second material taking piece (622) are towards the material conveying structure (5); The box closing structure (7) includes a box closing guide rail (71), a box closing pushing piece (72) arranged on the box closing guide rail (71) and a box closing blocking seat (73) arranged on the base (1), the box closing blocking seat (73) is located on one side of the box closing pushing piece (72).

2. The packing apparatus of claim 1, wherein The second material taking piece (622) includes a second material taking seat (6221) arranged on the first packing guide rail (611), the second material taking seat (6221) is hinged with a rotating seat (6222), the rotating seat (6222) is provided with a second material taking suction cup (6223), and the second material taking suction cup (6223) is towards the material conveying structure (5).

3. The packing apparatus of claim 2, wherein The first material taking piece (612) includes a first material taking seat arranged on the first packing guide rail (611), the first material taking seat is provided with a first material taking suction cup, and the first material taking suction cup is towards the material conveying structure (5).

4. A packing apparatus for a packing box according to any one of claims 1 to 3, characterized in that, The material conveying structure (5) includes a material conveying guide rail (51), the material conveying guide rail (51) has a bottom material belt (52), and both sides of the material conveying guide rail (51) are further provided with a side material belt (53); The bottom material belt (52) and the side material belt (53) form a cavity capable of accommodating two layers of small packaging boxes.

5. A packing apparatus for a packing box according to any one of claims 1 to 3, characterized in that, The box closing pushing piece (72) includes a box closing seat (721) arranged on the box closing guide rail (71), the box closing seat (721) is provided with a box closing inclined baffle (722), and the box closing inclined baffle (722) is towards the box closing blocking seat (73); The box closing blocking seat (73) has a box closing horizontal rod (731), the box closing horizontal rod (731) is horizontally arranged, and the box closing inclined baffle (722) is close to or away from the box closing horizontal rod (731).

6. The packing apparatus of claim 1, wherein The transportation structure (3) comprises a conveying assembly (31) arranged on the base (1) and a plurality of positioning assemblies (32) arranged on the conveying assembly (31), the positioning assembly (32) comprises a positioning jig (321) for clamping a carton; the positioning jig (321) comprises two jig seats (3211), the two jig seats (3211) are provided with cavities for accommodating cartons, and the opposite sides of the adjacent jig seats (3211) are provided with a first limiting block (3212) and a second limiting block (3213) for avoiding mistaken entry of the carton, the first limiting block (3212) and the second limiting block (3213) are slidably connected with the jig seat (3211) through springs; the transportation structure (3) further comprises a positioning driving assembly (33) for driving the first limiting block (3212) and the second limiting block (3213).

7. A packing apparatus for a packing box according to claim 6, wherein The positioning driving assembly (33) comprises a first positioning driving member (331) and a second positioning driving member (332), the first positioning driving member (331) is provided with a wedge block (3311) facing the first limiting block (3212), the first limiting block (3212) has a first groove, and the wedge block (3311) is in contact or out of contact with the first groove; the second positioning driving member (332) is provided with a top block (3321) facing the second limiting block (3213), the second limiting block (3213) has a second groove, and the top block (3321) is in contact or out of contact with the second groove.

8. A packing apparatus for a packing box according to claim 6 or 7, characterized in that, The carton opening structure (4) comprises a carton opening support seat (41) arranged on the base (1) and a carton opening assembly (42), the carton opening assembly (42) comprises a carton opening rotating arm (421) rotatably connected to the carton opening support seat (41) and a plurality of carton opening suction cups (422) arranged on the carton opening rotating arm (421), and the plurality of carton opening suction cups (422) face the transportation structure (3).

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