Roller frame structure of automatic film cutting and folding machine

By designing a multi-stage relay conveying system and a roller frame structure with a precise positioning device, the problem of poor adaptability of traditional roller frame structures was solved, enabling stable conveying, precise cutting, and efficient folding of packaging film, thereby reducing operating costs.

CN224160152UActive Publication Date: 2026-04-24苏州纳霏环境科技有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
苏州纳霏环境科技有限公司
Filing Date
2025-05-15
Publication Date
2026-04-24

AI Technical Summary

Technical Problem

Traditional automatic film cutting and folding machines have poor roller frame structure adaptability, making it difficult to handle packaging films of different specifications and materials. This results in unstable conveying, low cutting accuracy, inconvenient maintenance and operation, and increased operating costs.

Method used

Design a roller frame structure including a first conveying roller device, a second conveying roller device, and a cutting cross-cutting knife device. Through a multi-stage relay conveying system and a precision positioning device, in conjunction with a film folding device, stable conveying and precise cutting and folding of packaging film can be achieved.

Benefits of technology

It improves the stability and reliability of packaging film delivery, reduces cutting size errors, enhances cutting and folding accuracy, reduces scrap rate, and lowers operating costs.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model discloses a roller frame structure of an automatic cutting and film folding machine, which relates to the technical field of roller frame structures, and comprises a cutting machine body, a first conveying roller device and a second conveying roller device are respectively arranged on the inner side of the cutting machine body, a cutting transverse cutter device is arranged on the upper surface of one end of the cutting machine body, and a second conveying roller device is arranged on the lower surface of the other end of the cutting machine body. The second conveying roller device is located at the lower end of the transverse cutting knife device. A film folding device is arranged on one side of the cutting machine body and one side of the cutting transverse cutter device. According to the roller frame structure of the automatic film cutting and folding machine, the first conveying roller device and the second conveying roller device are arranged, so that a multi-stage relay type packaging film conveying system is formed; feeding rollers and pressing rollers in the first conveying roller device and the second conveying roller device are matched with each other, pressure can be adjusted by adjusting a first pressing roller handle and a second pressing roller handle according to different materials and specifications of packaging films, and the packaging film conveying stability and reliability are greatly improved.
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Description

Technical Field

[0001] This utility model specifically relates to the field of roller frame structure technology, and more specifically to a roller frame structure for an automatic cutting and folding film machine. Background Technology

[0002] In the modern packaging industry, with the continuous expansion of production scale and the increasing demands for packaging efficiency and quality, automatic cutting and folding machines, as key equipment for automating the packaging process, are becoming increasingly important. The roller frame structure, as a core component of the automatic cutting and folding machine, directly affects the stability and accuracy of a series of processes, including film conveying, cutting, and folding.

[0003] Traditional automatic film cutting and folding machine roller frames have several shortcomings. Firstly, their fixed design makes them poorly adaptable to packaging films of different specifications, thicknesses, and materials, failing to meet diverse production needs. For example, when handling thinner packaging films, slippage and stretching deformation are common; while handling thicker films may result in insufficient power transmission and poor conveying. Secondly, the transmission and adjustment mechanisms of traditional roller frames are often simple, making it difficult to achieve high-precision film conveying and cutting control, leading to inconsistent product quality and a high scrap rate. Furthermore, traditional roller frames also lack ease of maintenance and operation, increasing operating costs and manpower investment for businesses. Utility Model Content

[0004] The purpose of this utility model is to provide a roller frame structure for an automatic cutting and folding machine. By installing a first conveying roller device, a second conveying roller device, and a cutting cross-cutting device with the cutting machine body, and then using it in conjunction with a folding device, the roller frame structure improves the stability of conveying and enhances the cutting and folding accuracy, thereby solving the technical problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A roller frame structure for an automatic cutting and folding film machine, including

[0007] The cutting machine body has a first conveying roller device and a second conveying roller device installed on its inner side, and a cutting cross-cutting knife device installed on the upper surface of one end. The second conveying roller device is located at the lower end of the cutting cross-cutting knife device. A film folding device is provided on one side of the cutting machine body and the cutting cross-cutting knife device.

[0008] The first conveying roller device includes a motor, which is installed inside one of the electrical control boxes, which are arranged symmetrically. One end of the motor is connected to a reducer, and the other end of the reducer is connected to a connecting seat. One side of the connecting seat is fixedly connected to the inside of the electrical control box, and the upper end is connected to the first feeding roller and the first pressure roller, respectively. The other ends of the first feeding roller and the first pressure roller are connected to the connecting seat. The first pressure roller is connected to the first pressure roller handle through the connecting seat.

[0009] As a further technical solution of this utility model, the connecting seat and the first pressure roller handle are respectively located inside another electrical control box, and a front left electrical box is installed on one side of the electrical control box; a front right electrical box is installed on one side of one of the electrical control boxes.

[0010] As a further technical solution of this utility model, a second motor is installed on one side of the front right electrical box. The end of the second motor is connected to a transmission seat. The transmission seat is connected to the tool setting roller, the second feeding roller, and the second pressure roller, respectively. The transmission seat is located inside the front right electrical box.

[0011] As a further technical solution of this utility model, the other end of the cutting roller, the second feeding roller and the second pressure roller are connected to the second connecting seat, and the second pressure roller is connected to the second connecting seat through the second connecting seat.

[0012] As a further technical solution of this utility model, the symmetrically arranged electrical control boxes are equipped with a feeding roller, a tensioning assembly, a transition roller, a support plate, and an antistatic roller; the feeding roller and the tensioning assembly are located at the lower end of the first conveying roller device; the transition roller and the support plate are located between the first conveying roller device and the second conveying roller device; and the antistatic roller is located at the lower end of the second conveying roller device.

[0013] As a further technical solution of this utility model, a folding plate is provided on one side of the second feeding roller and the second pressure roller. The folding plate is provided with symmetrical baffle plate movable grooves, and the inner side is fixedly connected to the transmission half gear. The center position of the transmission half gear is rotatably connected to the stacking plate.

[0014] As a further technical solution of this utility model, the stacking plate and the folding plate are connected by multiple hinges; the transmission half gears are meshed with each other, and the half gears are rotatably connected to the stacking plate through gear grooves.

[0015] As a further technical solution of this utility model, the lower end of the half gear is fixedly connected to the connecting plate, the other end of the connecting plate is rotatably connected to the end of the electric cylinder, the other end of the electric cylinder is rotatably connected to the ear plate, the ear plate is provided on the lower surface of the stacking plate, and each of the four corners of the lower surface of the stacking plate is provided with a support leg; the stacking plate is provided with a semi-enclosed baffle plate, and the semi-enclosed baffle plate is movably connected to the baffle plate movable groove.

[0016] Compared with the prior art, the beneficial effects of this utility model are:

[0017] This utility model discloses an automatic cutting and folding film machine. The roller frame structure is configured with a first conveying roller device and a second conveying roller device, forming a multi-stage relay packaging film conveying system. The feeding roller and pressure roller in the first and second conveying roller devices cooperate with each other. The pressure can be adjusted by adjusting the first and second pressure roller handles according to the different materials and specifications of the packaging film. This effectively avoids problems such as slippage and deviation of the packaging film during the conveying process, and greatly improves the stability and reliability of the packaging film conveying.

[0018] This invention utilizes the coordinated operation of components such as the feeding roller, tensioning assembly, transition roller, pallet, and antistatic roller to further optimize the conveying path and environment of the packaging film. The tensioning assembly maintains the tension of the packaging film, the transition roller and pallet provide good guidance and support, and the antistatic roller eliminates electrostatic interference, ensuring that the packaging film remains flat and stable throughout the entire conveying process.

[0019] This invention provides a tooling roller that assists in the precise positioning of the packaging film during transport, ensuring accurate cutting by the cutting cross-cutting device, effectively reducing cutting size errors and improving cutting precision.

[0020] This invention employs an electric cylinder-driven half-gear and transmission half-gear transmission method in its film folding device, which enables precise angle control and stable movement, ensuring accurate flipping angle of the folding plate and thus guaranteeing the precision and consistency of the packaging film folding. The cooperation between the semi-enclosed baffle plate and the baffle plate's movable groove further improves the positioning accuracy of the packaging film during the folding process and reduces folding quality problems caused by packaging film misalignment. Attached Figure Description

[0021] Figure 1 This is a three-dimensional structural diagram of the present invention.

[0022] Figure 2 This utility model Figure 1 Top view.

[0023] Figure 3 This utility model Figure 1 A bottom view.

[0024] Figure 4 This utility model Figure 3 Top view.

[0025] Figure 5 This utility model Figure 4 A schematic diagram of the split structure.

[0026] Figure 6 This utility model Figure 5 Top view.

[0027] Figure 7 This utility model Figure 5 A schematic diagram of the split structure.

[0028] Figure 8 This utility model Figure 3 A magnified view of a portion of the image.

[0029] Figure 9 This utility model Figure 5 A magnified view of a portion of the image.

[0030] Figure 10 This utility model Figure 7 A magnified view of a portion of the image.

[0031] In the diagram: 1-Cut machine body, 2-First conveyor roller device, 3-Second conveyor roller device, 4-Cut cross-cutting device, 5-Folding device;

[0032] 11-Electrical control box, 12-Front right electrical box, 13-Front left electrical box, 15-Feeding roller, 16-Tensioning assembly, 16-Plate, 17-Antistatic roller, 18-Transition roller;

[0033] 21-Motor 1, 22-Reducer, 23-Connecting seat, 24-First feeding roller, 25-First pressure roller, 26-Connecting seat 1, 27-First pressure roller handle;

[0034] 31-Motor II, 32-Transmission base, 33-Knife setting roller, 34-Second feeding roller, 35-Second pressure roller, 36-Connecting base II, 37-Second pressure roller handle;

[0035] 51-Outrigger, 52-Stacking plate, 53-Ear plate, 54-Electric cylinder, 55-Connecting plate, 56-Transmission half gear, 57-Baffle plate, 58-Hinge, 59-Gear groove, 510-Folding plate, 511-Baffle plate movable groove, 512-Half gear. Detailed Implementation

[0036] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0037] Please see Figure 1-10In this embodiment of the present invention, an automatic cutting and folding film machine has a roller frame structure, including a cutting machine body 1. A first conveying roller device 2 and a second conveying roller device 3 are respectively installed on the inner side of the cutting machine body 1. A cutting cross-cutting knife device 4 is installed on the upper surface of one end. The second conveying roller device 3 is located at the lower end of the cutting cross-cutting knife device 4. A folding film device 5 is provided on one side of the cutting machine body 1 and the cutting cross-cutting knife device 4.

[0038] The first conveying roller device 2 includes a motor 21, which is installed inside one of the electrical control boxes 11, which are arranged symmetrically. One end of the motor 21 is connected to a reducer 22, and the other end of the reducer 22 is connected to a connecting seat 23. One side of the connecting seat 23 is fixedly connected to the inside of the electrical control box 11, and the upper end is connected to the first feeding roller 24 and the first pressure roller 25 respectively. The other ends of the first feeding roller 24 and the first pressure roller 25 are connected to a connecting seat 26. The first pressure roller 25 is connected to the first pressure roller handle 27 through the connecting seat 26.

[0039] By adopting the above technical solution, the roller frame structure of the automatic cutting and folding film machine forms a multi-stage relay packaging film conveying system by setting the first conveying roller device 2 and the second conveying roller device 3. The feeding roller and pressure roller in the first conveying roller device 2 and the second conveying roller device 3 cooperate with each other, and the pressure can be adjusted by adjusting the first pressure roller handle 27 and the second pressure roller handle 38 according to the different materials and specifications of the packaging film. This effectively avoids problems such as slippage and deviation of the packaging film during the conveying process, and greatly improves the stability and reliability of the packaging film conveying.

[0040] In this embodiment, the first pressure roller handle 27 of the connecting seat 26 is respectively located inside another electrical control box 11, and a front left electrical box 13 is installed on one side of the electrical control box 11; a front right electrical box 12 is installed on one side of one of the electrical control boxes 11.

[0041] A second motor 31 is installed on one side of the front right electrical box 12. The end of the second motor 31 is connected to the transmission seat 32. The transmission seat 32 is connected to the tool setting roller 33, the second feeding roller 34 and the second pressure roller 35 respectively. The transmission seat 32 is located inside the front right electrical box 12.

[0042] The other end of the cutting roller 33, the second feeding roller 34, and the second pressure roller 35 is connected to the connecting seat 36. The second pressure roller 35 is connected to the connecting seat 36 through the connecting seat 36.

[0043] By adopting the above technical solution, the setting of the cutting roller 33 can assist the packaging film in accurate positioning during the conveying process, which provides a guarantee for the accurate cutting of the cutting cross-cutting device 4, effectively reduces the cutting size error, and improves the cutting accuracy.

[0044] In this embodiment, a feeding roller 14, a tensioning assembly 15, a transition roller 18, a support plate 16, and an antistatic roller 17 are installed between the symmetrically arranged electrical control boxes 11; the feeding roller 14 and the tensioning assembly 15 are located at the lower end of the first conveying roller device 2; the transition roller 18 and the support plate 16 are located between the first conveying roller device 2 and the second conveying roller device 3; and the antistatic roller 17 is located at the lower end of the second conveying roller device 3.

[0045] By adopting the above technical solution, the coordinated work of components such as the feeding roller 14, tensioning assembly 15, transition roller 18, pallet 16, and antistatic roller 17 further optimizes the conveying path and conveying environment of the packaging film; the tensioning assembly 15 can maintain the tension of the packaging film, the transition roller 18 and pallet 16 play a good guiding and supporting role, and the antistatic roller 17 eliminates static interference, ensuring that the packaging film remains flat and stable throughout the entire conveying process.

[0046] In this embodiment, the second feeding roller 34 and the second pressure roller 35 are provided with a folding plate 510 on one side. The folding plate 510 is provided with a baffle plate movable groove 511 symmetrically, and the inner side is fixedly connected to the transmission half gear 56. The center position of the transmission half gear 56 is rotatably connected to the stacking plate 52.

[0047] The stacking plate 52 and the folding plate 510 are connected by multiple hinges 58; the transmission half gear 56 is meshed with the half gear 512, and the half gear 512 is rotatably connected to the stacking plate 52 through the gear groove 59.

[0048] The lower end of the half gear 512 is fixedly connected to the connecting plate 55, the other end of the connecting plate 55 is rotatably connected to the end of the electric cylinder 54, the other end of the electric cylinder 54 is rotatably connected to the ear plate 53, the ear plate 53 is located on the lower surface of the stacking plate 52, and each of the four corners of the lower surface of the stacking plate 52 is provided with a support leg 51; the stacking plate 52 is provided with a semi-enclosed baffle plate 57, and the semi-enclosed baffle plate 57 is movably connected to the baffle plate movable groove 511.

[0049] By adopting the above technical solution, the film folding device 5 uses the transmission method of electric cylinder 54 driving half gear 512 and transmission half gear 56, which can achieve precise angle control and stable movement, so that the flipping angle of the folding plate 510 is accurate, thereby ensuring the accuracy and consistency of the packaging film folding; the cooperation between the semi-enclosed baffle plate 57 and the baffle plate movable groove 511 further improves the positioning accuracy of the packaging film during the folding process and reduces the folding quality problems caused by the offset of the packaging film.

[0050] The working principle of this utility model is as follows: Motor 21 is installed inside the electrical control box 11. After starting, the power of motor 21 is transmitted to reducer 22. Reducer 22 reduces the power and increases the torque, and then transmits the power to connecting seat 23. Connecting seat 23 drives the first feeding roller 24 to rotate. The pressure between the first pressure roller 25 and the first feeding roller 24 can be adjusted by the first pressure roller handle 27, thereby ensuring that the packaging film is stably conveyed between the two. The packaging film is introduced from the feeding roller 14 and tensioning component 15 located at the lower end of the first conveying roller device 2. After being pulled by the first feeding roller 24 and the first pressure roller 25, it begins to move forward along the conveying path of the cutting machine body 1.

[0051] The packaging film continues to move forward and reaches the second conveyor roller device 3. The motor 31 on the right side of the front electrical box 12 starts, and its power is transmitted to the knife-setting roller 33 and the second feeding roller 34 via the transmission seat 32. The knife-setting roller 33 can assist in positioning the packaging film. The second feeding roller 34 and the second pressure roller 35 further pull the packaging film to ensure that the packaging film is stably and uniformly conveyed to the cutting cross-cutting device 4. During the conveying process, the transition roller 18 and the support plate 16 located between the first conveyor roller device 2 and the second conveyor roller device 3 play the role of guiding and supporting the packaging film to prevent the packaging film from sagging or shifting during the conveying process. The anti-static roller 17 located at the lower end of the second conveyor roller device 3 can remove static electricity from the surface of the packaging film to avoid the static electricity from having an adverse effect on the conveying and subsequent processing of the packaging film.

[0052] The roller frame structure of this automatic cutting and folding film machine forms a multi-stage relay packaging film conveying system by setting up a first conveying roller device 2 and a second conveying roller device 3. The feeding rollers and pressure rollers in the first conveying roller device 2 and the second conveying roller device 3 cooperate with each other. The pressure can be adjusted by adjusting the first pressure roller handle 27 and the second pressure roller handle 38 according to the different materials and specifications of the packaging film. This effectively avoids problems such as slippage and deviation of the packaging film during the conveying process, and greatly improves the stability and reliability of the packaging film conveying.

[0053] When the packaging film is fed to the cutting and slicing device 4, the cutting and slicing device 4 cuts the packaging film horizontally according to the set size, cutting the packaging film into the required length.

[0054] The coordinated operation of components such as the feeding roller 14, tensioning assembly 15, transition roller 18, pallet 16, and antistatic roller 17 further optimizes the conveying path and environment of the packaging film; the tensioning assembly 15 can maintain the tension of the packaging film, the transition roller 18 and pallet 16 play a good guiding and supporting role, and the antistatic roller 17 eliminates static interference, ensuring that the packaging film remains flat and stable throughout the entire conveying process;

[0055] The setting of the cutting roller 33 can assist the packaging film in accurate positioning during the conveying process, which provides a guarantee for the accurate cutting of the cutting cross-cutting device 4, effectively reduces the cutting size error and improves the cutting accuracy;

[0056] The cut packaging film continues to be conveyed forward to the folding device 5; the electric cylinder 54 in the folding device 5 starts to work, and the extension and retraction of the electric cylinder 54 drives the connecting plate 55 to move. The half gear 512 fixed at the lower end of the connecting plate 55 moves accordingly. Since the half gear 512 is meshed with the transmission half gear 56, the rotation of the half gear 512 will drive the transmission half gear 56 to rotate. The transmission half gear 56 is rotatably connected to the stacking plate 52, and the inner side of the folding plate 510 is fixedly connected to the transmission half gear 56. The folding plate 510 and the stacking plate 52 are connected by a hinge 58. Therefore, under the drive of the transmission half gear 56, the folding plate 510 will rotate around the hinge 58 to realize the folding operation of the packaging film. The semi-enclosed baffle 57 on the stacking plate 52 is movably connected to the baffle movable groove 511 on the folding plate 510, which can limit and guide the packaging film during the folding process to ensure the accuracy and consistency of the folding.

[0057] The film folding device 5 uses an electric cylinder 54 to drive the half gear 512 and the transmission half gear 56, which can achieve precise angle control and stable movement, making the flipping angle of the folding plate 510 accurate, thereby ensuring the accuracy and consistency of the packaging film folding. The cooperation between the semi-enclosed baffle plate 57 and the baffle plate movable groove 511 further improves the positioning accuracy of the packaging film during the folding process and reduces the folding quality problems caused by the offset of the packaging film.

[0058] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0059] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style of the specification is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A roller frame structure for an automatic cutting and folding film machine, characterized in that: include The cutting machine body (1) has a first conveying roller device (2) and a second conveying roller device (3) installed on its inner side, and a cutting cross-cutting knife device (4) installed on the upper surface of one end. The second conveying roller device (3) is located at the lower end of the cutting cross-cutting knife device (4). A film folding device (5) is provided on one side of the cutting machine body (1) and the cutting cross-cutting knife device (4). The first conveying roller device (2) includes a motor (21), which is installed inside one of the electrical control boxes (11), which are arranged symmetrically. The end of the motor (21) is connected to the reducer (22), and the other end of the reducer (22) is connected to the connecting seat (23). One side of the connecting seat (23) is fixedly connected to the inside of the electrical control box (11), and the upper end is connected to the first feeding roller (24) and the first pressure roller (25) respectively. The other ends of the first feeding roller (24) and the first pressure roller (25) are connected to the connecting seat (26). The first pressure roller (25) is connected to the first pressure roller handle (27) through the connecting seat (26).

2. The roller frame structure of the automatic cutting and folding film machine according to claim 1, characterized in that: The first pressure roller handle (27) of the connecting seat (26) is respectively located inside another electrical control box (11), and the front left electrical box (13) is installed on one side of the electrical control box (11); the front right electrical box (12) is installed on one side of one of the electrical control boxes (11).

3. The roller frame structure of the automatic cutting and folding film machine according to claim 2, characterized in that: A second motor (31) is installed on one side of the front right electrical box (12). The end of the second motor (31) is connected to the transmission seat (32). The transmission seat (32) is connected to the knife roller (33), the second feeding roller (34), and the second pressure roller (35) respectively. The transmission seat (32) is located inside the front right electrical box (12).

4. The roller frame structure of the automatic cutting and folding film machine according to claim 3, characterized in that: The other end of the cutting roller (33), the second feeding roller (34), and the second pressure roller (35) is connected to the second connecting seat (36), and the second pressure roller (35) is connected to the second connecting seat (36) through the second connecting seat (36).

5. The roller frame structure of the automatic cutting and folding film machine according to claim 1, characterized in that: The symmetrically arranged electrical control boxes (11) are equipped with a feeding roller (14), a tensioning assembly (15), a transition roller (18), a support plate (16), and an antistatic roller (17); the feeding roller (14) and the tensioning assembly (15) are located at the lower end of the first conveying roller device (2); the transition roller (18) and the support plate (16) are located between the first conveying roller device (2) and the second conveying roller device (3); the antistatic roller (17) is located at the lower end of the second conveying roller device (3).

6. The roller frame structure of the automatic cutting and folding film machine according to claim 4, characterized in that: The second feeding roller (34) and the second pressure roller (35) are provided with a folding plate (510) on one side. The folding plate (510) is provided with a baffle plate movable groove (511) symmetrically, and the inner side is fixedly connected to the transmission half gear (56). The center position of the transmission half gear (56) is rotatably connected to the stacking plate (52).

7. The roller frame structure of the automatic cutting and folding film machine according to claim 6, characterized in that: The stacking plate (52) and the folding plate (510) are connected by multiple hinges (58); the transmission half gear (56) is meshed with the half gear (512), and the half gear (512) is rotatably connected to the stacking plate (52) through the gear groove (59).

8. The roller frame structure of the automatic cutting and folding film machine according to claim 7, characterized in that: The lower end of the half gear (512) is fixedly connected to the connecting plate (55), the other end of the connecting plate (55) is rotatably connected to the end of the electric cylinder (54), the other end of the electric cylinder (54) is rotatably connected to the ear plate (53), the ear plate (53) is located on the lower surface of the stacking plate (52), and each of the four corners of the lower surface of the stacking plate (52) is provided with a support leg (51); the stacking plate (52) is provided with a semi-enclosed baffle plate (57), and the semi-enclosed baffle plate (57) is movably connected to the baffle plate movable groove (511).