Milk box type package conveying adjusting structure

Abstract

The utility model provides a kind of milk box class packaging conveying adjustment structure, including two second adjusting plates of opposite arrangement, and there is conveying space between two second adjusting plates;Detachable fixing has screw sleeve on each second adjusting plate, second screw rod is connected with screw sleeve, so that the distance between the two second adjusting plates after installation increases or reduces;When screw rotates, two second adjusting plates can move along the length direction of second screw rod synchronously;Two second lateral conveyors, and each second lateral conveyor is connected with a second adjusting plate respectively.The utility model adopts the screw connection of two second adjusting plates and a screw rod, and connects second adjusting plate by the detachable screw sleeve of second adjusting plate, so as to adjust the distance between two second adjusting plates by the disassembly and rotation of screw sleeve, so that the conveying device can complete the distance adjustment between two adjusting plates faster, so that it can be used faster when product specification is replaced in production line.

Description

Technical Field

[0001] This utility model belongs to the field of product conveying and packing, and in particular relates to a conveying and adjusting structure for milk carton packaging. Background Technology

[0002] Currently, milk is commonly packaged in bags, cartons, or bottles. Carton packaging includes Tetra Pak and gable-top cartons. Because these types of packaging are mostly square, automatic sorting isn't possible during carton packing. Currently, a push-pull structure is commonly used on the side of the conveyor belt. Based on programmed settings and sensor control, the milk is pushed to the designated position, allowing it to enter the designated channel and form a matrix arrangement. However, because some cartons have a large height and bottom-to-body ratio, their center of gravity is unstable, making them prone to tipping over during pushing, affecting subsequent stacking and packing. Furthermore, in actual production, packing equipment may handle various sizes of cartons, resulting in differences in carton width. To cope with these different sizes and prevent excessive gaps between the carton and the conveyor's limiting structure that could cause tipping, timely adjustments to the equipment's position are necessary. However, current adjustment structures are complex and not conducive to timely production when dealing with different carton sizes. Utility Model Content

[0003] In view of this, the present invention aims to propose a milk carton packaging conveying adjustment structure to facilitate the rapid adjustment of the conveying track width and improve production efficiency.

[0004] To achieve the above objectives, the technical solution of this utility model is implemented as follows:

[0005] A milk carton-type packaging conveying and regulating structure, including

[0006] Two opposing second adjustment plates, with a gap between the two second adjustment plates for the milk carton to pass through;

[0007] Each of the second adjusting plates is detachably fixed with a screw sleeve. The second lead screw is screwed to the screw sleeve. When the screw sleeve is removed from the second adjusting plate, it can rotate along the length of the second lead screw, thereby increasing or decreasing the distance between the two second adjusting plates. When the lead screw rotates, the two second adjusting plates can move synchronously along the length of the second lead screw.

[0008] Two second lateral conveyor belts, each mounted on a second adjusting plate and moving synchronously with the second adjusting plate.

[0009] Furthermore, the threaded sleeve extends outward to form a connecting edge, and the second adjusting plate and the connecting edge are respectively provided with multiple connecting holes, and the connecting holes on the second adjusting plate can correspond to the connecting holes on the connecting edge. The bolt can pass through the connecting edge and the connecting holes to fix the second adjusting plate to the threaded sleeve.

[0010] Furthermore, each of the second adjusting plates is provided with a roller at both ends, and each second lateral conveyor belt is wound around the two rollers.

[0011] Furthermore, each second adjusting plate is fixedly connected to a roller frame, and the roller is rotatably connected to the roller frame.

[0012] Furthermore, each roller frame has an elongated hole at one end, the spindle of the roller can be placed within the length, and the spindle has a screw hole. A tensioning screw can be screwed into the screw hole of the spindle and press against the side wall of the elongated hole near the second adjusting plate.

[0013] Furthermore, the two second adjustment plates are each placed within the space enclosed by a second lateral conveyor belt.

[0014] Furthermore, a support plate is fixed on one side surface of each of the two second adjusting plates, and the belt body of the second lateral conveyor belt near the support plate can be tightly attached to the support plate.

[0015] Furthermore, the adjustment structure also includes a guide rod, and each second adjustment plate is fixedly provided with a guide sleeve, which can be fitted onto the guide rod.

[0016] Compared with the prior art, the milk carton packaging conveying and adjusting structure of this utility model has the following advantages:

[0017] This utility model uses two second adjusting plates screwed to a lead screw, and connects the second adjusting plates with a screw sleeve that can be detached from the second adjusting plates. The distance between the two second adjusting plates can be adjusted by removing and rotating the screw sleeve, so that the conveying device can complete the distance adjustment between the two adjusting plates more quickly, and can be put into use more quickly when changing product specifications on the production line.

[0018] By placing a support plate on one side of the two adjusting plates, the second lateral conveyor belt can be placed closer to the packaging box, allowing the packaging box to move more stably backward. Attached Figure Description

[0019] The accompanying drawings, which form part of this utility model, are used to provide a further understanding of the utility model. The illustrative embodiments of the utility model and their descriptions are used to explain the utility model and do not constitute an undue limitation of the utility model. In the drawings:

[0020] Figure 1 A schematic diagram of the overall structure of the conveyor section of the milk carton packaging production line;

[0021] Figure 2 A schematic diagram of the overall structure of the milk carton conveyor section;

[0022] Figure 3 This is a schematic diagram of the overall structure of the fixed unit;

[0023] Figure 4 This is a schematic diagram of the overall structure of the activity unit;

[0024] Figure 5 This is a schematic diagram of the cooperation structure between the second adjusting plate and the roller frame;

[0025] Figure 6 This is a schematic diagram showing the fit between the screw sleeve and the second adjusting plate;

[0026] Figure 7 This is a schematic diagram of the conveyor system for packaging boxes.

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

[0028] 1-Fixed unit; 11-First adjusting plate; 12-Roller frame; 121-Elongated hole; 122-Top screw; 13-Support plate; 14-Connecting ear; 15-First lateral conveyor belt; 16-Guide sleeve; 17-Guide rod; 18-First lead screw; 19-Fixed plate; 2-Transition unit; 21-Guide assembly; 22-Connector; 3-Moving unit; 31-Second adjusting plate; 311-Connecting hole; 32-Threaded sleeve; 321-Connecting edge; 33-Elongated hole; 34-Second lead screw; 35-Second lateral conveyor belt; 4-Material handling unit; 41-Channel; 5-Conveyor belt; 6-First conveying area; 61-First conveyor belt; 62-Barrier plate; 63-Clamping unit; 7-Second conveying area; 71-Second conveyor belt; 72-Bearing bar; 721-Interlacing part; 711-Baffle plate; 8-Receiving area. Detailed Implementation

[0029] It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0030] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, features defined with "first," "second," etc., may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0031] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0032] The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0033] The milk carton packaging and sorting device of this utility model includes a conveyor belt 5 for conveying products. A fixed unit 1, a transition unit 2, a movable unit 3, and a sorting unit 4 are arranged sequentially above the conveyor belt 5 along the direction of movement. The sorting unit 4 includes multiple sorting baffles 711 distributed along the width of the conveyor belt 5, so that the conveyor belt 5 is divided into multiple channels 41 along the width direction. The materials conveyed along the conveyor belt 5 can enter the conveyor channels as needed and be arranged and transported to the next process to wait for grabbing and packaging.

[0034] Specifically, in this embodiment, the materials are fed into each channel 41 as needed through the cooperation of the fixed unit 1, the transition unit 2, and the movable unit 3. The fixed unit 1 includes two first lateral conveyor belts 15 arranged opposite each other, with a gap between the two first lateral conveyor belts 15 for milk cartons to pass through; the transition unit 2 includes at least two sets of guide components 21, which are arranged opposite each other. In this embodiment, each set of guide components 21 includes two guide rods, and the two ends of the two guide rods of each set of guide components 21 are connected as a whole by connectors 22. Specifically, the guide rods are inserted and fixed to the connectors 22; the movable unit 3 includes two second lateral conveyor belts 35 arranged opposite each other, and the two second lateral conveyor belts 35 can move synchronously along the width direction of the conveyor belt 5. The first lateral conveyor belts 15 and the second lateral conveyor belts 35 are respectively close to One end of the other side is provided with a connecting ear 14. The guide component 21 is hinged to the connecting ears 14 of the first lateral conveyor belt 15 and the second lateral conveyor belt 35 through the connecting parts 22 at both ends. Specifically, the first lateral conveyor belt 15, the guide component 21 and the second lateral conveyor belt 35 on the same side of the conveyor belt 5 are connected in sequence, and there is a gap between the first lateral conveyor belt 15, the guide component 21 and the second lateral conveyor belt 35 on the same side of the corresponding conveyor belt 5 on both sides of the conveyor belt 5 for material to pass through. When the second lateral conveyor belt 35 of the movable unit 3 moves along the width direction of the conveyor belt 5, the transition unit 2 is driven by the traction of the movable unit 3, so that the material in the gap can move from one side of the conveyor belt 5 to the other side along the guide component 21. In this embodiment, an elongated hole 33 is provided on the connecting ear 14 located on the outer side of the end of the second lateral conveyor belt 35, so that the hinge shaft connected to the guide component 21 can move along the length direction of the elongated hole 33 to counteract the change in the length direction of the conveyor belt 5 when the guide component 21 rotates around the other end. In this embodiment, when the active unit 3 moves along the width of the conveyor belt 5, the distance between the two guide components 21 changes. However, the length of the two guide components 21 is relatively long, and the rotation angle of the guide components 21 only needs to satisfy the width direction of the end crossing the conveyor belt 5, so that the rotation angle of the guide components 21 is small. As a result, the change in the distance between the two guide components 21 is very slight. Moreover, the milk carton packaging is usually made of paper and has a certain deformation. Therefore, this slight change will not affect the milk carton conveying. Those skilled in the art should also know that the distance between the two first lateral conveyor belts 15 and the second lateral conveyor belt 35 can be adjusted to keep the distance between the guide components 21 at a suitable size.

[0035] The fixing unit 1 further includes two opposing first adjusting plates 11 and a first lead screw 18. Each first adjusting plate 11 has a roller frame 12 fixed to one side. In this embodiment, the roller frame 12 includes two fixing bars. The first adjusting plates 11 and the roller frame 12 are respectively placed within the space surrounded by the first lateral conveyor belt 15. The rollers of the first lateral conveyor belt 15 are rotatably connected to the roller frame 12. Specifically, one end of the roller frame 12 has a through hole, and the axis of rotation of the roller at one end of the first lateral conveyor belt 15 is connected to... A through-hole rotatable connection is made, and the motor controlling the movement of the first lateral conveyor belt 15 is fixed on the roller frame 12. The output shaft of the motor is coaxially or drive-connected with the rotating shaft of the roller at that end. The other end of the roller frame 12 has an elongated hole 121. The spindle of the roller at the other end of the first lateral conveyor belt 15 is placed in the elongated hole 121. The end of the spindle has a threaded hole, and a set screw 122 is threaded into the threaded hole. The end of the set screw 122 is tightly pressed against the end of the elongated hole 121 near the first adjusting plate 11, thereby causing the first lateral conveyor belt 15 to tighten. The threads at both ends of the first lead screw 18 have opposite directions of rotation. The two first adjusting plates 11 are respectively threaded to both ends of the first lead screw 18. Specifically, those skilled in the art can directly thread the first adjusting plate 11 by opening threaded holes, or they can fix the threaded sleeve 32 on the first adjusting plate 11 for threading. When the first lead screw 18 rotates, the distance between the two first adjusting plates 11 decreases or increases. Fixed plates 19 are fixedly mounted on both sides of the conveyor belt 5, and the first lead screw 18 is rotatably connected to the fixed plates 19. Guide sleeves 16 are fixedly mounted on the two first adjusting plates 11, and a guide rod 17 is provided between the two fixed plates 19. The guide rod 17 can pass through the guide sleeves 16, so that the first adjusting plates 11 can move along the guide rod 17. The connecting lug 14 is fixedly mounted on the end of the roller frame 12.

[0036] The active unit 3 includes two opposing second adjusting plates 31, with a gap between them for material to pass through. Roller frames 12 are also fixedly mounted on the two second adjusting plates 31, and each roller frame 12 includes two fixing bars. The second adjusting plates 31 and roller frames 12 are respectively placed within the space enclosed by the second lateral conveyor belt 35. The rollers of the second lateral conveyor belt 35 are rotatably connected to the roller frames 12. Specifically, one end of the roller frame 12 has a through hole, and the shaft of the roller at one end of the second lateral conveyor belt 35 is rotatably connected to the through hole, controlling... The motor for the movement of the second lateral conveyor belt 35 is fixed on the roller frame 12, and the output shaft of the motor is coaxially or drivenly connected to the rotating shaft of the roller at that end. The other end of the roller frame 12 has an elongated hole 121. The spindle of the roller at the other end of the first lateral conveyor belt 15 is placed in the elongated hole 121. The end of the spindle has a screw hole, and a set screw 122 is screwed into the screw hole. The end of the set screw 122 is tightly pressed against the end of the elongated hole 121 near the second adjusting plate 31, thereby causing the second lateral conveyor belt 35 to be tightened. The second lateral conveyor belt 35 and the second adjusting plate 31 move synchronously. The threads at both ends of the second lead screw 34 have the same direction of rotation. The second adjusting plate 31 is detachably fixed with threaded sleeves 32. The second lead screw 34 is screwed to the second adjusting plate 31 through the threaded sleeves 32. In this embodiment, the threaded sleeves 32 extend outward to form connecting edges 321. The second adjusting plate 31 and the connecting edges 321 are respectively provided with multiple connecting holes 311, and the connecting holes 311 on the second adjusting plate 31 correspond to the connecting holes 311 on the connecting edges 321. The bolt can pass through the connecting edges 321 and the connecting holes 311 to fix the second adjusting plate 31 to the threaded sleeves 32. When it is necessary to adjust the spacing between the second adjusting plates 31, the bolt can be removed, and the threaded sleeves 32 can be rotated to make the spacing between the two threaded sleeves 32 reach a predetermined distance. Then, the second adjusting plate 31 is fixed to the threaded sleeves 32 respectively. Optionally, those skilled in the art can also open arc-shaped holes on the connecting edge 321 of the screw sleeve 32 or the second adjusting plate 31, so that the connecting hole 311 corresponds to the arc-shaped hole, and fix the screw sleeve 32 and the second adjusting plate 31 by bolts. When the second lead screw 34 is rotated, the two second adjusting plates 31 move synchronously along the width direction of the conveyor belt 5 through the two screw sleeves 32. Thus, the spacing adjustment between the two adjusting plates and the position control of the movable unit 3 during operation are completed by a single second lead screw 34, which simplifies the structure of the production line and enables the spacing adjustment to be completed quickly. This improves the adjustment speed of the production line when changing product specifications, allowing the production line to be put into subsequent production more quickly. The movable unit 3 is also provided with fixed plates 19 on both sides, and a motor is fixed on the fixed plate 19 at this position. The second lead screw 34 is coaxially connected or driven to the output shaft of the motor, so that the position of the movable unit 3 is controlled by the motor during operation.A guide rod 17 is also provided between the two fixed plates 19, and a guide sleeve 16 is fixed on each of the second adjustment plates 31. The guide rod 17 can pass through the guide sleeve 16 to provide guidance for the second adjustment plate 31, and at the same time, it prevents the two second adjustment plates 31 from falling or becoming misaligned when adjusting the distance between the two second adjustment plates 31.

[0037] During operation, those skilled in the art can control the motor to work according to time as needed, so that the motor drives the second lead screw 34 to rotate, thereby driving the movable unit 3, so that the gap of the movable unit 3 corresponds to each channel 41 in the material handling unit 4, so that the boxed milk conveyed by the conveyor belt 5 is in each channel 41, so as to facilitate subsequent arrangement, gripping and packing work.

[0038] Each of the two first adjusting plates 11 and the two second adjusting plates 31 has a support plate 13 fixed to one side of its opposite side. The surface of the support plate 13 can abut against the inner side of the first lateral conveyor belt 15 or the second lateral conveyor belt 35, so that the belt body of the second lateral conveyor belt 35 near the support plate 13 can be tightly attached to the support plate 13. This creates a supporting force in the middle of the conveyor belt 5, allowing the material to better adhere to the conveyor belt 5. This prevents the material from tipping to the side when subjected to a lateral forward pushing force.

[0039] In this embodiment, a box-separating conveyor is also provided on one side of the separating device for conveying packaging boxes. In this embodiment, the conveying direction of the packaging boxes is the same as that of the milk cartons. According to the setting requirements, those skilled in the art can also set the conveying direction of the packaging boxes as needed. Specifically, the box-separating conveyor includes a first conveying area 6, a receiving area 8, and a second conveying area 7 arranged sequentially along the movement direction of the packaging boxes. A first conveyor belt 61 is provided in the first conveying area 6, and a second conveyor belt 71 is provided in the second conveying area 7. One end of the first conveyor belt 61 and the second conveyor belt 71 are respectively placed in the receiving area 8, so that the ends of the first conveyor belt 61 and the second conveyor belt 71 are staggered in the receiving area 8. The second conveyor belt 71 is provided with a plurality of baffles 711 along its own length direction. The movement speed of the first conveyor belt 61 is greater than or equal to the movement speed of the second conveyor belt 71, so that the bottom of the packaging box on the first conveyor belt 61 can be tightly pressed against the baffles 711 on the second conveyor belt 71, thereby keeping the distance between two adjacent packaging boxes the same. Then, the packaging boxes are conveyed forward with the movement speed of the second conveyor belt 71. Optionally, to make the conveying more reliable and to avoid external forces affecting the packaging box and causing it to move backward and separate from the front baffle 711, this embodiment also includes two support strips 72. The two support strips 72 are respectively placed on both sides of the second conveyor belt 71, and the upper surface of the two support strips 72 is in the same plane as the upper surface of the first conveyor belt 61. The ends of the support strips 72 are provided with interlacing parts 721, which are placed in the bearing area. The upper surface of the second conveyor belt 71 is lower than the upper surface of the first conveyor belt 5, and the support strip is in the same plane as the upper surface of the first conveyor belt 61. When the packaging box moves forward against the front baffle 711, the sides of the packaging box can rest on the intersecting parts 721 of the support strips 72 until the packaging box separates from the first conveyor belt 61. The packaging box can then rest on the support strip. At this time, the front baffle 711 against which the packaging box is pressed continues to move forward. The packaging box waits in its original position for the rear baffle 711 to move to the rear of the packaging box and push the packaging box to continue moving forward, so that the packaging box can continue to move forward under the pushing force from the rear. In this embodiment, the distance between two adjacent baffles 711 on the second conveyor belt 71 should be the sum of the size of the packaging box and the reserved distance between two packaging boxes. In this embodiment, the second conveyor belt 71 is a chain. In other embodiments, the second conveyor belt 71 can also be a plate chain conveyor belt. In order to ensure the stable movement of the carton in the first conveying area 6, in this embodiment, two first conveyor belts 61 are provided, and the two first conveyor belts 61 are arranged parallel and opposite to each other. One end of the second conveyor belt 71 is placed in the gap between the two first conveyor belts 61.

[0040] To prevent subsequent packaging boxes from interfering with the baffle 711 of the second conveyor belt 71 during movement, in this embodiment, a blocking plate 62 is also provided in the first conveying area 6. The blocking plate 62 can move in a direction perpendicular to the movement of the packaging box. When the blocking plate 62 moves to a first limit position, the packaging box can abut against the blocking plate 62. When the blocking plate 62 moves to a second limit position, the packaging box separates from the blocking plate 62. More specifically, in this embodiment, the blocking plate 62 is fixedly connected to the piston rod of a cylinder. The cylinder is placed below the first conveyor belt 61, so that the blocking plate 62 is higher or lower than the upper surface of the first conveyor belt 61 in the vertical direction, thereby blocking or releasing the subsequent packaging boxes from moving towards the second conveyor belt 71. A clamping unit 63 is also provided in the first conveying area 6. There is a space between the blocking plate 62 and the clamping unit 63 that can accommodate a packaging box, and the clamping unit 63 is placed on the side of the blocking plate 62 away from the receiving area 8. When the blocking plate 62 is at its first extreme position, it is higher than the upper surface of the first conveyor belt 61, preventing subsequent packaging boxes from moving forward. At this time, the clamping unit 63 can be in a relaxed state. When the blocking plate 62 is at its second extreme position, it is lower than the upper surface of the first conveyor belt 61, allowing the first-order packaging box to move with the first conveyor belt 61 towards the receiving area 8. At this time, the clamping unit 63 is in a tightened state, clamping the second packaging box until the first-order packaging box passes the position of the blocking plate 62. Then, the blocking plate 62 rises, and the clamping unit 63 releases the second-order packaging box, allowing the subsequent packaging boxes to move forward as a whole. In this embodiment, the clamping unit 63 consists of two opposing cylinders, and the movable rods of the two cylinders can move relative to each other, so that the ends of the two cylinders cooperate to clamp the second packaging box.

[0041] The second conveyor belt 71 is also provided with a slide for opening the cover parts on both sides. The top of the cover of the packaging box can be inserted into the slide and opened to both sides under the guidance of the slide, so as to avoid the cover affecting the subsequent packing of materials.

[0042] During the conveying process of the packaging box, multiple sets of robotic arms and other mechanisms can be set along the length of the second conveyor belt 71 to put the padding material, side pads, and arranged milk into the packaging box. The specific structure and movement mode of the robotic arms can be existing technology, and the setting and structure of the robotic arms are not the technical problems to be solved in this application, so they will not be described in detail here.

[0043] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A milk carton-type packaging conveying and adjusting structure, characterized in that: include Two opposing second adjustment plates, with a gap between the two second adjustment plates for the milk carton to pass through; Each of the second adjusting plates is detachably fixed with a screw sleeve. The second lead screw is screwed to the screw sleeve. When the screw sleeve is removed from the second adjusting plate, it can rotate along the length of the second lead screw, so that the distance between the two second adjusting plates after reinstallation increases or decreases. When the lead screw rotates, the two second adjusting plates can move synchronously along the length of the second lead screw. Two second lateral conveyor belts, each mounted on a second adjusting plate and moving synchronously with the second adjusting plate.

2. The milk carton packaging conveying and adjusting structure according to claim 1, characterized in that: The threaded sleeve extends outward to form a connecting edge. The second adjusting plate and the connecting edge are respectively provided with multiple connecting holes, and the connecting holes on the second adjusting plate correspond to the connecting holes on the connecting edge. The bolt can pass through the connecting edge and the connecting holes to fix the second adjusting plate to the threaded sleeve.

3. The milk carton packaging conveying and adjusting structure according to claim 2, characterized in that: Each of the second adjusting plates has a roller at each end, and each second lateral conveyor belt is wound around the two rollers.

4. The milk carton packaging conveying and adjusting structure according to claim 3, characterized in that: Each second adjusting plate is fixedly connected to a roller frame, and the roller is rotatably connected to the roller frame.

5. The milk carton packaging conveying and adjusting structure according to claim 4, characterized in that: Each roller frame has an elongated hole at one end, and the spindle of the roller can be placed within the length. The spindle has a screw hole, and a tensioning screw can be screwed into the screw hole of the spindle and pressed against the side wall of the elongated hole near the second adjusting plate.

6. The milk carton packaging conveying and adjusting structure according to claim 1, characterized in that: The two second adjustment plates are each placed within the space enclosed by a second lateral conveyor belt.

7. The milk carton packaging conveying and adjusting structure according to claim 1, characterized in that: A support plate is fixed on one side of each of the two second adjusting plates, and the belt body of the second lateral conveyor belt near the support plate can be tightly attached to the support plate.

8. The milk carton packaging conveying and adjusting structure according to claim 1, characterized in that: The adjustment structure also includes a guide rod, and each second adjustment plate is fixed with a guide sleeve, which can be fitted onto the guide rod.

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