A logistics carton film winding device

Abstract

This application relates to the field of carton film winding packaging equipment, and particularly to a logistics carton film winding device, which includes a bottom plate, a mounting frame, an upper mounting seat and a lower mounting seat. The bottom plate is anchored to the ground, the mounting frame is fixed to the top of the bottom plate in the vertical direction, the upper mounting seat and the lower mounting seat are respectively fixed to the upper and lower ends of the mounting frame, and upper lifting plates and lower lifting plates are installed horizontally in both the upper mounting seat and the lower mounting seat. Upper limit members and lower limit members for limiting the carton are respectively provided on one side of the upper lifting plate and the lower lifting plate close to each other. The upper lifting plate and the lower lifting plate are both slidably arranged in the vertical direction, and the upper limit member and the lower limit member alternately limit the carton. The purpose of this application is to optimize the steps of carton film winding.

Description

Technical Field

[0001] The present application relates to the field of carton film winding packaging equipment, and particularly to a logistics carton film winding device. Background Art

[0002] A film winding machine is a device used for packaging, protecting, and transporting products. It is usually used for packaging roll-shaped film materials, such as plastic films, foam films, papers, etc. Its working principle is to pull the film material from a reel (mother roll), and then wind it around the product or pallet to create a sealed packaging layer.

[0003] In the related art, when a film winding machine winds a carton-like object, the carton is usually placed on a rotating table. As the carton rotates, the film winding machine winds the plastic film around the circumference of the carton. In order to effectively ensure the stability of the carton during the rotating winding process, a limiting member for limiting the carton is often provided on the rotating table, and the limiting member is usually located near the bottom of the carton. Although the limiting member can effectively ensure the stability of the carton during the rotating winding process, due to the existence of the limiting member, it will hinder the winding of the bottom of the carton, which makes the bottom of the carton often not wound with the film. As a result, there are winding dead corners in the overall film winding of the carton, and there are also sealing dead corners on the circumference of the carton.

[0004] In summary, the position of the carton bottom near the limiting member cannot be wound with the film, but removing the limiting member cannot effectively ensure the stability of the carton during the winding process. Summary of the Invention

[0005] The present application provides a logistics carton film winding device, aiming to optimize the steps of carton film winding, so that during the process of winding the plastic film around the carton, the limiting member will not hinder the winding of the carton, and at the same time, it can effectively ensure the stability of the carton during the rotating winding process.

[0006] The present application provides a logistics carton film winding device, adopting the following technical solution:

[0007] A logistics carton film winding device, comprising a bottom plate, a mounting frame, an upper mounting seat and a lower mounting seat. The bottom plate is anchored to the ground. The mounting frame is vertically fixed on the top of the bottom plate. The upper mounting seat and the lower mounting seat are respectively fixed at the upper and lower ends of the mounting frame. Both the upper mounting seat and the lower mounting seat are hollow inside. A plurality of support rods are arranged at intervals in the horizontal direction inside the lower mounting seat. A first motor is installed at the top of the plurality of support rods. The driving end of the first motor faces vertically upward, and a rotating table is installed in the horizontal direction at the driving end of the first motor. An upper lifting plate and a lower lifting plate are installed in the horizontal direction inside both the upper mounting seat and the lower mounting seat. Upper limiting members and lower limiting members for limiting the carton are respectively provided on the sides of the upper lifting plate and the lower lifting plate close to each other. The upper lifting plate and the lower lifting plate are both slidably arranged in the vertical direction. The upper limiting member is used to limit the circumferential side of the top of the carton, and the lower limiting member is used to limit the circumferential side of the bottom of the carton. The upper limiting member and the lower limiting member alternately limit the carton.

[0008] By adopting the above technical solution, when the plastic film winds to the position of the lower limiting member, the lower limiting member gradually slides into the lower mounting seat. As the lower limiting member gradually moves downward, the plastic film can be smoothly wound around the circumferential side of the bottom of the carton. During this process, while the lower limiting member is gradually moving downward, the upper limiting member moves downward synchronously, and then the upper limiting member limits the top of the carton to effectively ensure the stability of the carton during the rotation process. When the plastic film winds to the position of the upper limiting member, the upper limiting member gradually slides into the upper mounting seat. As the upper limiting member gradually moves upward, the plastic film can be smoothly wound around the circumferential side of the top of the carton. During this process, while the upper limiting member is gradually moving upward, the lower limiting member moves upward synchronously, and then the lower limiting member limits the bottom of the carton to effectively ensure the stability of the carton during the rotation process.

[0009] With this setting method, the upper limiting member and the lower limiting member alternately limit the carton, so that during the process of winding the plastic film around the carton, neither the upper limiting member nor the lower limiting member will hinder the winding of the carton, and at the same time, the stability of the carton during the rotation and winding process can be effectively ensured.

[0010] Preferably, a first slide rail is provided vertically on the top of the bottom plate, the first slide rail is fixed to the top of the bottom plate, a first slide seat is slidably mounted on the side wall of the first slide rail, a corresponding winding roller and a tensioning roller are vertically mounted on the first slide seat, a second motor is mounted on the top of the first slide rail, the driving end of the second motor faces vertically downward, and a lead screw is vertically mounted at the driving end of the second motor, the lead screw penetrates into the first slide rail, a lifting seat is mounted inside the first slide rail, the lead screw passes through the lifting seat and is in threaded cooperation with the lifting seat, and the side wall of the first slide seat is connected to the lifting seat;

[0011] The side wall of the lifting seat and the lower lifting plate are integrally connected by a first linkage rod, and the lower lifting plate and the upper lifting plate are integrally connected by a second linkage rod.

[0012] By adopting the above technical solution, in the initial state, the lower limiting member extends upward out of the lower mounting seat to the periphery of the bottom of the carton, and the upper limiting member is located inside the upper mounting seat. At this time, the lower limiting member stably limits the bottom of the carton, effectively preventing the carton from falling off the rotating table during the rotation process. When the carton is wound with a plastic film, the winding starts from top to bottom. When the lifting seat drives the first slide seat to move downward, the lower lifting plate is synchronously driven to move downward by the first linkage rod. When the plastic film is wound to the bottom of the carton, the lower limiting member extends into the lower mounting seat, so that the plastic film can smoothly wind the bottom of the carton. During this process, while the lower lifting plate moves downward, the upper lifting plate is synchronously driven to move downward by the second linkage rod. During the downward movement of the upper lifting plate, the upper limiting member is moved downward to the periphery of the top of the carton, and then the top of the carton is stably limited by the upper limiting member.

[0013] Similarly, when the first slide seat moves upward to wind the top of the carton, the lower lifting plate moves upward to stably limit the bottom of the carton, and the upper lifting plate drives the upper limiting member to move upward into the upper mounting seat, so that the top of the carton can be smoothly wound.

[0014] In summary, when the bottom of the carton is wound with a plastic film, the lower limiting member extends into the lower mounting seat, and the upper limiting member extends out of the upper mounting seat. At this time, the upper limiting member is used to limit the top of the carton; when the top of the carton is wound with a plastic film, the upper limiting member extends into the upper mounting seat, and the lower limiting member extends out of the lower mounting seat. At this time, the lower limiting member is used to limit the bottom of the carton. Furthermore, the upper limiting member and the lower limiting member are used to alternately limit the carton, so that during the plastic film winding process of the carton, neither the upper limiting member nor the lower limiting member will hinder the winding of the carton, and at the same time, the stability of the carton during the rotating winding process can be effectively guaranteed.

[0015] Preferably, a support plate is horizontally installed inside the lower mounting base. The support plate is located below the lower lifting plate, and a first auxiliary spring is vertically installed between the support plate and the lower lifting plate.

[0016] By adopting the above technical solution, the first auxiliary spring can buffer the lower lifting plate when the lower lifting plate descends, and at the same time can assist in resetting the lower lifting plate during the upward movement of the lower lifting plate. Furthermore, the first auxiliary spring helps to stabilize the lower lifting plate during the lifting process.

[0017] Preferably, adjusting mechanisms are additionally provided inside both the upper mounting base and the lower mounting base. The adjusting mechanisms are used to adjust the sizes of the corresponding upper limit members or lower limit members.

[0018] By adopting the above technical solution, since the plastic film will continuously wind around the periphery of the cardboard box, the periphery of the cardboard box will become thicker and thicker. If the sizes of the upper limit member and the lower limit member remain fixed, when the upper limit member or the lower limit member slides up and down, the gradually thickening periphery of the cardboard box will cause certain interference to the sliding of the upper limit member or the lower limit member, thereby affecting the normal limiting of the cardboard box by the upper limit member or the lower limit member and being unfavorable for the normal winding of the plastic film on the cardboard box.

[0019] Preferably, the lower limit member is composed of a plurality of limit rods, and the plurality of limit rods are in a "mouth" shape. The adjusting mechanism is composed of multiple groups of adjusting components, and the multiple groups of adjusting components correspond to the multiple groups of limit rods one by one;

[0020] The adjusting component includes a second slide rail and a second slide seat. The second slide rail is horizontally fixed on the top of the lower lifting plate. A chute is provided along the length direction of the second slide rail. The second slide seat is slidably installed in the chute. The second slide seat includes a first block body and a second block body integrally connected. The first block body is horizontally arranged, and the second block body is vertically arranged. The first block body is slidably installed in the chute, and a connecting rod is integrally formed between the first block body and the corresponding limit rod in the vertical direction.

[0021] By adopting the above technical solution, the first block body is used to drive the corresponding limit rod to slide, and thus the size of the lower limit member can be adjusted to effectively ensure that the lower limit member can stably limit cardboard boxes of different sizes and thicknesses.

[0022] Preferably, a driving member is installed inside the lower mounting base. The driving member is generally conical in shape. Through holes are formed through both the support plate and the lower lifting plate. The top of the driving member penetrates upward through the through hole in the support plate and extends into the through hole in the lower lifting plate. The second block extends vertically into the through hole in the lower lifting plate. One side of the second block close to the driving member is in an arc-shaped wedge shape. The driving member is used to drive the second block to slide.

[0023] By adopting the above technical solution, as the lower lifting plate moves downward, when the wedge-shaped side of the second block abuts against the driving member, these second blocks slide away from each other, and then drive the corresponding first blocks to slide away from each other through these second blocks, so as to effectively adjust the size of the lower limiting member to effectively ensure that the lower limiting member can stably limit cartons of different sizes and thicknesses.

[0024] By using the adjusting mechanism, the upper limiting member and the lower limiting member can not only slide up and down, but also correspondingly adjust their own sizes, which enables the upper limiting member and the lower limiting member to stably limit cartons of different sizes and thicknesses without hindering the winding of the cartons.

[0025] Preferably, a second auxiliary spring is installed horizontally in the sliding groove. One end of the second auxiliary spring is integrally connected to the inner wall of the second slide rail, and the other end of the second auxiliary spring is integrally connected to the side wall of the first block.

[0026] By adopting the above technical solution, when the first block slides in the corresponding sliding groove, the second auxiliary spring is used to buffer the sliding of the first block, which is beneficial to ensuring the stability of the limiting rod during the sliding process.

[0027] Preferably, a limiting component is added between the second slide rail and the first block. The limiting component is used to lock the limiting rod in the adjusted position.

[0028] By adopting the above technical solution, the limiting component can effectively prevent the limiting rod in the adjusted position from shifting during the limiting of the carton, which affects the normal plastic film winding of the carton.

[0029] Preferably, the limiting component includes a limiting block and a limiting hole. The limiting block is integrally formed at the bottom of the first block. The limiting hole is formed through the bottom of the second slide rail. The limiting hole is provided in multiple along the length direction of the second slide rail. The limiting block and the limiting hole are in plug-in fit.

[0030] By adopting the above technical solution, after the limiting block is inserted into the limiting hole, the position of the limiting rod is adjusted. At this time, the lower limiting member can rise again to limit the thickened cardboard box. In this state, when the first block is not affected by external forces, the limiting block can be stably inserted into the limiting hole. Only when the driving member applies a driving force to the first block, the limiting block slides out of the corresponding limiting hole and slides into another limiting hole, thereby completing the re-adjustment of the position of the limiting rod.

[0031] In summary, the present application includes at least one of the following beneficial technical effects:

[0032] 1. When the plastic film is wound to the position of the lower limiting member, the lower limiting member gradually slides into the lower mounting seat. As the lower limiting member gradually moves down, the plastic film can be smoothly wound around the periphery of the bottom of the cardboard box. During this process, while the lower limiting member is gradually moving down, the upper limiting member moves down synchronously, thereby limiting the top of the cardboard box through the upper limiting member to effectively ensure the stability of the cardboard box during rotation. When the plastic film is wound to the position of the upper limiting member, the upper limiting member gradually slides into the upper mounting seat. As the upper limiting member gradually moves up, the plastic film can be smoothly wound around the periphery of the top of the cardboard box. During this process, while the upper limiting member is gradually moving up, the lower limiting member moves up synchronously, thereby limiting the bottom of the cardboard box through the lower limiting member to effectively ensure the stability of the cardboard box during rotation.

[0033] With this setting method, the upper limiting member and the lower limiting member alternately limit the cardboard box, so that during the winding of the plastic film, neither the upper limiting member nor the lower limiting member will obstruct the winding of the cardboard box, and at the same time, the stability of the cardboard box during the rotational winding process can be effectively ensured;

[0034] 2. As the lower lifting plate moves down, when the wedge-shaped side of the second block abuts against the driving member, these second blocks slide in a direction away from each other, thereby driving the corresponding first blocks to slide in a direction away from each other through these second blocks, and then the size of the lower limiting member can be adjusted to effectively ensure that the lower limiting member can stably limit cardboard boxes of different sizes and thicknesses.

[0035] By using the adjusting mechanism, the upper limiting member and the lower limiting member can also adjust their own sizes while sliding up and down, which enables the upper limiting member and the lower limiting member to stably limit cardboard boxes of different sizes and thicknesses without obstructing the winding of the cardboard box;

[0036] 3. After the limiting block is inserted into the limiting hole, the position of the limiting rod is adjusted. At this time, the lower limiting member can rise again to limit the thickened carton. In this state, when the first block is not affected by external forces, the limiting block can be stably inserted into the limiting hole. Only when the driving member applies a driving force to the first block, the limiting block slides out of the corresponding limiting hole and slides into another limiting hole, thereby completing the re-adjustment of the position of the limiting rod. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] Figure 1 is a schematic structural diagram of the whole embodiment of the present application;

[0038] Figure 2 is a schematic structural diagram showing the positional relationship of the lower lifting plate, the upper limiting member, the second linkage rod, the support plate, the first auxiliary spring, the second slide rail, the second slide seat, the chute, the connecting rod, and the second auxiliary spring in the embodiment of the present application;

[0039] Figure 3 is a schematic structural diagram showing the positional relationship of the first block, the second block, the driving member, the limiting block, and the limiting hole in the embodiment of the present application.

[0040] Reference numerals: 1, bottom plate; 2, mounting frame; 3, upper mounting seat; 4, lower mounting seat; 5, support rod; 6, first motor; 7, rotating table; 8, upper lifting plate; 9, lower lifting plate; 10, upper limiting member; 11, lower limiting member; 12, first slide rail; 13, first slide seat; 14, second motor; 15, lead screw; 16, lifting seat; 17, first linkage rod; 18, second linkage rod; 19, support plate; 20, first auxiliary spring; 21, second slide rail; 22, second slide seat; 221, first block; 222, second block; 23, chute; 24, connecting rod; 25, driving member; 26, second auxiliary spring; 27, limiting block; 28, limiting hole. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0041] The following will further describe the present application in detail with reference to the attached Figure 1 - attached Figure 3 drawings.

[0042] Embodiment:

[0043] The embodiment of the present application discloses a logistics carton film winding device. Refer to Figure 1 and Figure 2, including a bottom plate 1, a mounting frame 2, an upper mounting seat 3 and a lower mounting seat 4. The bottom plate 1 is anchored to the ground by fastening bolts. The mounting frame 2 is welded to the top of the bottom plate 1 in the vertical direction. The upper mounting seat 3 and the lower mounting seat 4 are respectively fixed to the upper and lower ends of the mounting frame 2. Both the upper mounting seat 3 and the lower mounting seat 4 are hollow inside. Inside the lower mounting seat 4, a plurality of support rods 5 are welded at intervals in the horizontal direction. At the tops of these support rods 5, a first motor 6 is installed. The driving end of the first motor 6 faces vertically upward, and a rotating table 7 is installed in the horizontal direction at the driving end of the first motor 6. When specifically winding the plastic film around the carton, the carton is placed on the rotating table 7 for rotation.

[0044] Referring to Figure 1 and Figure 2 , at the same time, an upper lifting plate 8 and a lower lifting plate 9 are installed in the upper mounting seat 3 and the lower mounting seat 4 respectively in the horizontal direction. On the sides of the upper lifting plate 8 and the lower lifting plate 9 close to each other, an upper limiting member 10 and a lower limiting member 11 for limiting the carton are respectively provided. The upper lifting plate 8 and the lower lifting plate 9 are both slidably arranged in the vertical direction. The upper limiting member 10 is used to limit the peripheral side of the top of the carton, and the lower limiting member 11 is used to limit the peripheral side of the bottom of the carton. The upper limiting member 10 and the lower limiting member 11 alternately limit the carton.

[0045] Specifically in use, the carton is placed on the rotating table 7. The carton starts to rotate with the rotating table 7, and at the same time, the first sliding seat 13 starts to lift on the first sliding rail 12. With the rotation of the carton and the lifting of the first sliding seat 13, the tensioning roller tensions the plastic film, and the plastic film on the winding roller gradually winds around the periphery of the carton.

[0046] When the plastic film winds to the position of the lower limiting member 11, the lower limiting member 11 gradually slides into the lower mounting seat 4. As the lower limiting member 11 gradually moves down, the plastic film can smoothly wind around the peripheral side of the bottom of the carton. During this process, while the lower limiting member 11 is gradually moving down, the upper limiting member 10 moves down synchronously, and then the top of the carton is limited by the upper limiting member 10 to effectively ensure the stability of the carton during rotation. When the plastic film winds to the position of the upper limiting member 10, the upper limiting member 10 gradually slides into the upper mounting seat 3. As the upper limiting member 10 gradually moves up, the plastic film can smoothly wind around the peripheral side of the top of the carton. During this process, while the upper limiting member 10 is gradually moving up, the lower limiting member 11 moves up synchronously, and then the bottom of the carton is limited by the lower limiting member 11 to effectively ensure the stability of the carton during rotation.

[0047] With this setting method, the upper limiting member 10 and the lower limiting member 11 alternately limit the carton, so that during the winding of the plastic film around the carton, neither the upper limiting member 10 nor the lower limiting member 11 will hinder the winding of the carton, and at the same time, the stability of the carton during rotation and winding can be effectively ensured.

[0048] Specifically, referring to Figure 1 and Figure 2 , a first slide rail 12 is provided vertically on the top of the bottom plate 1. The first slide rail 12 is anchored to the top of the bottom plate 1 through fastening bolts. A first slide seat 13 is slidably installed on the side wall of the first slide rail 12. A corresponding winding roller and a tensioning roller are installed vertically on the first slide seat 13, and a plastic film is sleeved on the winding roller. A second motor 14 is installed on the top of the first slide rail 12. The driving end of the second motor 14 faces vertically downward, and a lead screw 15 is installed vertically at the driving end of the second motor 14. The lead screw 15 penetrates into the first slide rail 12. A lifting seat 16 is installed inside the first slide rail 12. The lead screw 15 passes through the lifting seat 16 and is in threaded cooperation with the lifting seat 16, and the side wall of the first slide seat 13 is connected to the lifting seat 16 through corresponding connecting rods.

[0049] The side wall of the lifting seat 16 is integrally connected to the lower lifting plate 9 through a first linkage rod 17. The first linkage rod 17 is integrally in a "Z" - shaped structure. While the lifting seat 16 moves up and down in the first slide rail 12, it simultaneously drives the lower lifting plate 9 to move up and down vertically. At the same time, the lower lifting plate 9 and the upper lifting plate 8 are integrally connected through a second linkage rod 18. The second linkage rod 18 is integrally in a "U" - shaped structure. Thus, while the lifting seat 16 drives the lower lifting plate 9 to move up and down, it simultaneously drives the upper lifting plate 8 to move up and down. Grooves for the second linkage rod 18 to slide are provided on the side walls of the upper mounting seat 3 and the lower mounting seat 4. During the up - and - down sliding process of the upper lifting plate 8 and the lower lifting plate 9, the upper and lower ends of the second linkage rod 18 displace in the corresponding grooves.

[0050] In the initial state, the lower limiting member 11 extends upward out of the lower mounting seat 4 to the periphery of the bottom of the carton, and the upper limiting member 10 is located inside the upper mounting seat 3. At this time, the bottom of the carton is stably limited by the lower limiting member 11, effectively preventing the carton from falling off the rotating table 7 during the rotation process. When the carton is wound with the film, the winding starts from top to bottom. When the lifting seat 16 drives the first slide seat 13 to move downward, the lower lifting plate 9 is synchronously driven to move downward through the first linkage rod 17. When the plastic film is wound to the bottom of the carton, the lower limiting member 11 extends into the lower mounting seat 4, so that the plastic film can smoothly wind the bottom of the carton. During this process, while the lower lifting plate 9 moves downward, the upper lifting plate 8 is synchronously driven to move downward through the second linkage rod 18. During the downward movement of the upper lifting plate 8, the upper limiting member 10 is moved downward to the periphery of the top of the carton, and thus the top of the carton is stably limited by the upper limiting member 10.

[0051] Similarly, when the first slide seat 13 moves upward to wind the top of the carton, the lower lifting plate 9 moves upward to stably limit the bottom of the carton by the lower limiting member 11, and the upper lifting plate 8 drives the upper limiting member 10 to move upward into the upper mounting seat 3, so that the top of the carton can be smoothly wound.

[0052] In summary, when the bottom of the carton is wound with a film, the lower limit member 11 extends into the lower mounting seat 4, and the upper limit member 10 extends out of the upper mounting seat 3. At this time, the upper limit member 10 is used to limit the top of the carton; when the top of the carton is wound with a film, the upper limit member 10 extends into the upper mounting seat 3, and the lower limit member 11 extends out of the lower mounting seat 4. At this time, the lower limit member 11 is used to limit the bottom of the carton. Furthermore, the upper limit member 10 and the lower limit member 11 are used to alternately limit the carton, so that during the process of winding the plastic film around the carton, neither the upper limit member 10 nor the lower limit member 11 will obstruct the winding of the carton, and at the same time, the stability of the carton during the rotational winding process can be effectively guaranteed.

[0053] Further, referring to Figure 1 and Figure 2 , a support plate 19 is horizontally installed in the lower mounting seat 4. The support plate 19 is located below the lower lifting plate 9. A first auxiliary spring 20 is vertically installed between the support plate 19 and the lower lifting plate 9. The first auxiliary spring 20 can buffer the lower lifting plate 9 when the lower lifting plate 9 descends, and can assist in resetting the lower lifting plate 9 during the upward movement of the lower lifting plate 9. Furthermore, the first auxiliary spring 20 helps to stabilize the lower lifting plate 9 during the lifting process. In this embodiment, a plurality of first auxiliary springs 20 are provided, and the plurality of first auxiliary springs 20 are evenly spaced between the support plate 19 and the lower lifting plate 9.

[0054] Further, adjustment mechanisms are added to both the upper mounting seat 3 and the lower mounting seat 4. The adjustment mechanism is used to adjust the size of the corresponding upper limit member 10 or lower limit member 11. Since the plastic film will continuously wind around the circumference of the carton, the circumference of the carton will become thicker and thicker. If the sizes of the upper limit member 10 and the lower limit member 11 remain fixed, when the upper limit member 10 or the lower limit member 11 slides up and down, the gradually thickening circumference of the carton will cause certain interference to the sliding of the upper limit member 10 or the lower limit member 11, thereby affecting the normal limiting of the carton by the upper limit member 10 or the lower limit member 11 and being unfavorable for the normal winding of the plastic film around the carton.

[0055] In this embodiment, the adjustment methods of the adjustment mechanism for the corresponding upper limit member 10 or lower limit member 11 are the same. For the convenience of understanding, the adjustment process of the lower limit member 11 will be described below.

[0056] Specifically, referring to Figure 1 and Figure 2 , the lower limit member 11 is composed of four limit rods, and these limit rods as a whole form a "square" - shaped structure. The circumferences of the carton are limited by these limit rods, and thus it can effectively prevent the carton from falling off the rotating table 7 due to the centrifugal force during the rotation process.

[0057] Referring to Figure 1 and Figure 2 , specifically, the adjusting mechanism is composed of four groups of adjusting components, and these adjusting components correspond to these limiting rods one by one. The adjusting component includes a second slide rail 21 and a second slide block 22. The second slide rail 21 is fixed to the top of the lower lifting plate 9 in the horizontal direction. A long strip-shaped chute 23 is formed along the length direction of the second slide rail 21. The second slide block 22 is slidably installed in the chute 23. The second slide block 22 includes a first block 221 and a second block 222 that are integrally connected. The first block 221 is horizontally arranged, and the second block 222 is vertically arranged. The first block 221 is slidably installed in the chute 23. A connecting rod 24 is integrally formed between the first block 221 and the corresponding limiting rod in the vertical direction. During the sliding process of the first block 221 in the chute 23, the corresponding limiting rod is driven to slide through the connecting rod 24. The four first blocks 221 as a whole form a "cross" structure, which enables the four limiting rods to be driven by these four first blocks 221 to slide in the direction of approaching or separating from each other, thereby being able to adjust the size of the lower limiting member 11, so as to effectively ensure that the lower limiting member 11 can stably limit cartons of different sizes and thicknesses.

[0058] Specifically, referring to Figure 1 , Figure 2 and Figure 3 , a driving member 25 is installed in the lower mounting seat 4. The driving member 25 is integrally conical. Through holes are formed through the support plate 19 and the lower lifting plate 9. The top of the driving member 25 penetrates upward through the through hole in the support plate 19 and extends into the through hole in the lower lifting plate 9. The second block 222 extends vertically into the through hole in the lower lifting plate 9. The side of the second block 222 close to the driving member 25 is in an arc-shaped wedge shape.

[0059] As the lower lifting plate 9 moves downward, when the wedge-shaped side of the second block 222 abuts against the driving member 25, these second blocks 222 slide in the direction of separating from each other, and then drive the corresponding first blocks 221 to slide in the direction of separating from each other through these second blocks 222, thereby being able to adjust the size of the lower limiting member 11, so as to effectively ensure that the lower limiting member 11 can stably limit cartons of different sizes and thicknesses.

[0060] By using the adjusting mechanism, the upper limiting member 10 and the lower limiting member 11 can also correspondingly adjust their own sizes while sliding up and down, which enables the upper limiting member 10 and the lower limiting member 11 to stably limit cartons of different sizes and thicknesses while not hindering the winding of the cartons.

[0061] Further, a cylinder is installed at the bottom of the driving member 25. The cylinder block of the cylinder is fixed on the corresponding fixing plate, and the piston rod of the cylinder is vertically upward and connected to the bottom of the driving member 25. The cylinder is used to further increase the movement range of the driving member 25, which is beneficial to increasing the size adjustment range of the lower limiting member 11 by the driving member 25, and thus beneficial to improving the adaptability of the lower limiting member 11.

[0062] Further, referring to Figure 1 and Figure 2 , a second auxiliary spring 26 is installed horizontally in the chute 23. One end of the second auxiliary spring 26 is integrally connected to the inner wall of the second slide rail 21, and the other end of the second auxiliary spring 26 is integrally connected to the side wall of the first block 221. When the first block 221 slides in the corresponding chute 23, the second auxiliary spring 26 is used to buffer the sliding of the first block 221, which is beneficial to ensuring the stability of the limiting rod during the sliding process.

[0063] Further, a limiting component is added between the second slide rail 21 and the first block 221. The limiting component is used to lock the limiting rod in the adjusted position to effectively prevent the adjusted limiting rod from displacing during the plastic film winding of the carton, which may affect the normal plastic film winding of the carton.

[0064] Specifically, referring to Figure 3 , the limiting component includes a limiting block 27 and a limiting hole 28. The limiting block 27 is integrally formed at the bottom of the first block 221, and the limiting hole 28 is penetrated and opened at the bottom of the second slide rail 21. The limiting hole 28 is opened in multiple along the length direction of the second slide rail 21. The first block 221 slides in the chute 23, and the limiting block 27 is inserted into the corresponding limiting hole 28 to complete the locking of the position of the first block 221, and thus the limiting rod with the adjusted position is locked.

[0065] In this embodiment, the limiting block 27 is made of an elastic material, and the depth of the limiting block 27 inserted into the limiting hole 28 is relatively shallow. It only needs to ensure that when the first block 221 is not affected by external forces, the limiting block 27 can be stably inserted into the limiting hole 28. The purpose of this is that when the size of the lower limiting member 11 needs to be further adjusted, when the driving member 25 drives the first block 221 to slide in the chute 23 through the second block 222, the limiting block 27 can smoothly slide out of the corresponding limiting hole 28 and slide into another limiting hole 28, so as to complete the re-adjustment of the position of the limiting rod.

[0066] That is, after the limit block 27 is inserted into the limit hole 28, the position of the limit rod is adjusted. At this time, the lower limit member 11 can rise again to limit the thickened carton. In this state, when the first block 221 is not affected by external forces, the limit block 27 can be stably inserted into the limit hole 28. Only when the driving member 25 applies a driving force to the first block 221, the limit block 27 slides out of the corresponding limit hole 28 and slides into another limit hole 28, thereby completing the re-adjustment of the position of the limit rod.

[0067] The implementation principle of a logistics carton film winding device according to an embodiment of the present application is as follows:

[0068] Place the carton on the rotating table 7. The carton starts to rotate with the rotating table 7. At the same time, the first sliding seat 13 starts to move up and down on the first sliding rail 12. As the carton rotates and the first sliding seat 13 moves up and down, the tensioning roller tensions the plastic film, and the plastic film on the winding roller gradually winds around the circumference of the carton.

[0069] When the plastic film winds to the position of the lower limit member 11, the lower limit member 11 gradually slides into the lower mounting seat 4. As the lower limit member 11 gradually moves down, the plastic film can smoothly wind around the circumference of the bottom of the carton. During this process, while the lower limit member 11 is gradually moving down, the upper limit member 10 moves down synchronously, thereby limiting the top of the carton through the upper limit member 10 to effectively ensure the stability of the carton during rotation. When the plastic film winds to the position of the upper limit member 10, the upper limit member 10 gradually slides into the upper mounting seat 3. As the upper limit member 10 gradually moves up, the plastic film can smoothly wind around the circumference of the top of the carton. During this process, while the upper limit member 10 is gradually moving up, the lower limit member 11 moves up synchronously, thereby limiting the bottom of the carton through the lower limit member 11 to effectively ensure the stability of the carton during rotation.

[0070] With this setting method, the upper limit member 10 and the lower limit member 11 alternately limit the carton, so that during the plastic film winding process of the carton, neither the upper limit member 10 nor the lower limit member 11 will obstruct the winding of the carton, and at the same time, the stability of the carton during rotation and winding can be effectively ensured.

[0071] The above are all preferred embodiments of the present application. The protection scope of the present application is not limited by this. Therefore, all equivalent changes made according to the structure, shape, and principle of the present application should be covered within the protection scope of the present application.

Claims

1. A logistics carton film wrapping device, characterized in that: The invention comprises a base plate (1), a mounting frame (2), an upper mounting seat (3) and a lower mounting seat (4), wherein the base plate (1) is anchored to the ground, the mounting frame (2) is fixed to the top of the base plate (1) in the vertical direction, the upper mounting seat (3) and the lower mounting seat (4) are respectively fixed to the upper and lower ends of the mounting frame (2), the upper mounting seat (3) and the lower mounting seat (4) are both hollow inside, a plurality of support rods (5) are arranged in the lower mounting seat (4) at intervals in the horizontal direction, a first motor (6) is installed on the top of the plurality of support rods (5), the driving end of the first motor (6) is vertically upward, and the driving end of the first motor (6) is horizontally A rotating table (7) is installed, and an upper lifting plate (8) and a lower lifting plate (9) are installed in the upper mounting seat (3) and the lower mounting seat (4) in the horizontal direction. An upper limiter (10) and a lower limiter (11) for limiting the position of the carton are respectively arranged on the side where the upper lifting plate (8) and the lower lifting plate (9) are close to each other. The upper lifting plate (8) and the lower lifting plate (9) are both slidably arranged in the vertical direction. The upper limiter (10) is used to limit the top peripheral side of the carton, and the lower limiter (11) is used to limit the bottom peripheral side of the carton. The upper limiter (10) and the lower limiter (11) are used to limit the position of the carton in an alternating manner. A first slide rail (12) is provided at the top of the base plate (1) in the vertical direction. The first slide rail (12) is fixed to the top of the base plate (1). A first slide seat (13) is slidably installed on the side wall of the first slide rail (12). Corresponding winding rollers and tensioning rollers are installed on the first slide seat (13) in the vertical direction. A second motor (14) is installed at the top of the first slide rail (12). The driving end of the second motor (14) faces vertically downward, and a screw rod (15) is installed at the driving end of the second motor (14) in the vertical direction. The screw rod (15) is inserted into the inside of the first slide rail (12). A lifting seat (16) is installed inside the first slide rail (12). The screw rod (15) passes through the lifting seat (16) and is threadedly matched with the lifting seat (16), and the side wall of the first slide seat (13) is connected to the lifting seat (16). The side wall of the lifting seat (16) is integrally connected to the lower lifting plate (9) via a first linkage rod (17), and the lower lifting plate (9) and the upper lifting plate (8) are integrally connected via a second linkage rod (18); A support plate (19) is installed in the lower mounting seat (4) along the horizontal direction, the support plate (19) is located below the lower lifting plate (9), and a first auxiliary spring (20) is installed between the support plate (19) and the lower lifting plate (9) along the vertical direction; The upper mounting seat (3) and the lower mounting seat (4) are both provided with an adjustment mechanism, and the adjustment mechanism is used to adjust the size of the corresponding upper limit member (10) or the lower limit member (11); The lower limit member (11) is composed of a plurality of limit rods, the plurality of limit rods are in a "mouth" shape, the adjustment mechanism is composed of a plurality of adjustment components, and the plurality of adjustment components correspond to the plurality of limit rods one by one; The adjustment assembly comprises a second slide rail (21) and a second slide seat (22); the second slide rail (21) is fixed to the top of the lower lifting plate (9) in the horizontal direction; a slide groove (23) is provided along the length direction of the second slide rail (21); the second slide seat (22) is slidably installed in the slide groove (23); the second slide seat (22) comprises a first block (221) and a second block (222) which are connected in one piece; the first block (221) is arranged horizontally, and the second block (222) is arranged vertically; the first block (221) is slidably installed in the slide groove (23); a connecting rod (24) is integrally formed between the first block (221) and the corresponding limiting rod in the vertical direction.

2. A logistics carton film wrapping device according to claim 1, characterized in that: A driving member (25) is installed in the lower mounting seat (4), and the driving member (25) is cone-shaped as a whole. Through holes are opened on the support plate (19) and the lower lifting plate (9). The top of the driving member (25) passes through the through hole on the support plate (19) upward and extends into the through hole of the lower lifting plate (9). The second block (222) extends into the through hole of the lower lifting plate (9) in a vertical direction. The side of the second block (222) close to the driving member (25) is in an arc-shaped wedge shape. The driving member (25) is used to drive the second block (222) to slide.

3. A logistics carton film wrapping device according to claim 2, characterized in that: A second auxiliary spring (26) is installed in the slide groove (23) along the horizontal direction, one end of the second auxiliary spring (26) is integrally connected to the inner wall of the second slide rail (21), and the other end of the second auxiliary spring (26) is integrally connected to the side wall of the first block (221).

4. A logistics carton film wrapping device according to claim 3, characterized in that: A limiting assembly is provided between the second slide rail (21) and the first block (221), and the limiting assembly is used to lock the limiting rod after the position is adjusted.

5. A logistics carton film wrapping device according to claim 4, characterized in that: The limiting assembly comprises a limiting block (27) and a limiting hole (28); the limiting block (27) is integrally formed at the bottom of the first block (221); the limiting hole (28) is penetrated and opened at the bottom of the second slide rail (21); a plurality of limiting holes (28) are opened along the length direction of the second slide rail (21); the limiting block (27) and the limiting hole (28) are plug-fitted.

Images