Paperboard flattening mechanism

Abstract

The utility model relates to the technical field of flattening equipment, and discloses a paperboard flattening mechanism which comprises a bearing table, two symmetrical side plates are fixedly installed on the upper surface of the bearing table, a positioning plate is fixedly installed between the two side plates, and a first movable pressing plate and a second movable pressing plate which are located on the upper face and the lower face of the positioning plate respectively are further arranged between the two side plates. A driving unit is arranged on the side face of the side plate and used for driving the first movable pressing plate and the second movable pressing plate to move oppositely or oppositely, and the opposite faces of the first movable pressing plate and the second movable pressing plate can be tightly attached to the upper surface and the lower surface of the positioning plate. According to the paperboard flattening device, the first movable pressing plate and the second movable pressing plate are arranged, paperboards to be flattened are placed on the upper surface of the positioning plate and the upper surface of the second movable pressing plate respectively, the first movable pressing plate and the second movable pressing plate are controlled by the driving unit to move oppositely, and the number of the paperboards flattened at a time is increased; and therefore, the efficiency of flattening the paperboards is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of flattening equipment, in particular to a cardboard flattening mechanism. Background Art

[0002] Cardboard, also known as board paper, is a thick paper sheet made of various pulp processed and composed of interwoven fibers. Before manufacturing cartons, in order to provide its process aesthetics and promote the sale of cartons, some patterns or texts need to be printed on the cardboard. Due to the uneven placement base surface or other reasons, the end face of the cardboard may be warped during previous storage. Therefore, before printing, it is necessary to first use a flattening mechanism to flatten the cardboard to ensure the printing effect, and then a flattening device is required.

[0003] In order to facilitate the flattening of cardboard, many improvements have been made to the cardboard flattening mechanism in the prior art. For example, the patent with the publication number CN219133383U discloses a cardboard flattening mechanism for carton production, which solves the problem that the cardboard cannot be completely flattened at present. It includes a base, a placement groove is provided at the top of the base, a pushing mechanism is installed at the bottom of the base, columns are fixedly installed at equal angles at the bottom of the base, and an extrusion mechanism is installed at the top of the base. The extrusion mechanism includes a U-shaped frame fixed to the top of the base, and an extrusion plate is installed inside the U-shaped frame; in this utility model, through the cooperation between the motor, the rotating shaft, the external thread and the screw sleeve, the two sliders can be made to approach each other, and through the cooperation between the rotating rod, the extrusion plate and the ejector rod, the extrusion plate can be made to move downward. At the same time, a placement groove adapted to the extrusion plate is provided directly below the extrusion plate, so as to facilitate the extrusion of the cardboard inside the placement groove by the extrusion plate, thus facilitating the complete flattening of the cardboard.

[0004] The above patent has obvious beneficial effects, but there are still the following deficiencies in actual operation:

[0005] In the above comparative document, the extrusion plate is driven by a motor to move downward, and then the cardboard in the placement groove is flattened. In actual operation, during the production of cardboard, the number of cardboard to be flattened is large, while the number of cardboard flattened each time in the above comparative document is limited, thus reducing the efficiency of flattening the cardboard. Therefore, it is urgent for those skilled in the art to improve the cardboard flattening mechanism to solve the defects of the prior art. Summary of the Utility Model

[0006] Aiming at the deficiencies of the prior art, the utility model provides a cardboard flattening mechanism, which can increase the number of cardboard flattened at one time, thereby improving the efficiency of flattening the cardboard.

[0007] To achieve the above object, the present utility model provides the following technical solution: A cardboard flattening mechanism, including a bearing platform, on the upper surface of the bearing platform, two symmetric side plates are fixedly installed, between the two side plates, a positioning plate is fixedly installed, between the two side plates, a first movable pressing plate and a second movable pressing plate are also provided, respectively located on the upper and lower surfaces of the positioning plate, on the side surface of the side plate, a driving unit is provided, the driving unit is used to drive the first movable pressing plate and the second movable pressing plate to move towards or away from each other, and the facing surfaces of the first movable pressing plate and the second movable pressing plate can closely adhere to the upper and lower surfaces of the positioning plate.

[0008] Preferably, the driving unit includes a driving motor fixedly installed on one side of the side plate, the output end of the driving motor is fixedly installed with a gear, on one side of the side plate, two symmetric and offset rack plates are slidably connected, the gear is located between the two rack plates and meshes with the two rack plates, and the end parts of the first movable pressing plate and the second movable pressing plate are respectively connected to the two rack plates.

[0009] Preferably, between the upper side surfaces of the two side plates, a top plate is fixedly installed, and on the upper surface of the bearing platform, a bottom plate located between the two side plates is fixedly installed.

[0010] Preferably, on the opposite side surfaces of the two side plates, mounting grooves are respectively opened, the gear and the rack plates are both arranged in the mounting grooves, and between the two gears, a connecting shaft penetrating the positioning plate is fixedly connected.

[0011] Preferably, on one side of each rack plate, a limiting slider is fixedly installed, and on the inner side wall of the mounting groove, a limiting chute adapted to the limiting slider is opened.

[0012] Preferably, on the upper surfaces of the bottom plate, the second movable pressing plate, the positioning plate, and the first movable pressing plate, placing grooves are respectively opened.

[0013] Preferably, at the end of each rack plate, a stop block is fixedly connected, and at one end of each rack plate away from the stop block, a mounting block is fixedly connected, and the mounting block is used to mount the first movable pressing plate or the second movable pressing plate.

[0014] Aiming at the deficiencies of the prior art, the present utility model provides a cardboard flattening mechanism, which overcomes the deficiencies of the prior art. The beneficial effects of the present utility model are as follows:

[0015] 1. In the present utility model, by setting the first movable pressing plate and the second movable pressing plate, the cardboard to be flattened is respectively placed on the upper surface of the positioning plate and the upper surface of the second movable pressing plate. By controlling the first movable pressing plate and the second movable pressing plate to move towards each other through the driving unit, the number of cardboard flattened at one time is increased, thereby improving the efficiency of flattening the cardboard.

[0016] 2. In the present utility model, by providing a top plate and a bottom plate, when the first movable pressing plate and the second movable pressing plate reciprocate once, the cardboard can be flattened twice, thereby further improving the efficiency of flattening the cardboard.

[0017] 3. In the present utility model, by providing a placement groove which is adapted to the size of the cardboard to be flattened, the cardboard to be flattened is positioned to prevent the cardboard from shifting during the flattening or moving process.

[0018] Other features and advantages of the present utility model will be described in the following specification. Moreover, some of them will become apparent from the specification or be understood by implementing the present utility model. The objectives and other advantages of the present utility model can be achieved and obtained through the structures pointed out in the specification, claims and drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The drawings are used to provide further understanding of the present utility model, and constitute a part of the specification. Together with the embodiments of the present utility model, they are used to explain the present utility model, but do not constitute a limitation to the present utility model.

[0020] Figure 1 It is a schematic diagram of the overall structure of the present utility model;

[0021] Figure 2 It is a schematic diagram of the structure of the top plate and the bottom plate in the present utility model;

[0022] Figure 3 It is a schematic diagram of the internal structure of one side plate in the present utility model;

[0023] Figure 4 It is a schematic diagram of the structure of the first movable pressing plate and the second movable pressing plate in the present utility model;

[0024] Figure 5 It is a schematic diagram of the structure of one side plate in the present utility model;

[0025] Figure 6 It is a schematic diagram of the structure of the limit slider in the present utility model.

[0026] In the figure: 1. Bearing platform; 2. Side plate; 3. Positioning plate; 4. First movable pressing plate; 5. Second movable pressing plate; 6. Driving unit; 7. Driving motor; 8. Gear; 9. Rack plate; 10. Top plate; 11. Bottom plate; 12. Installation groove; 13. Connecting shaft; 14. Limit slider; 15. Limit sliding groove; 16. Placement groove; 17. Stopper; 18. Installation block. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0027] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments.

[0028] Embodiment 1

[0029] Please refer to Figures 1 - 6 , a cardboard flattening mechanism, including a bearing table 1. Two symmetrical side plates 2 are fixedly installed on the upper surface of the bearing table 1. A positioning plate 3 is fixedly installed between the two side plates 2. A first movable pressing plate 4 and a second movable pressing plate 5 are respectively arranged on the upper and lower surfaces of the positioning plate 3 between the two side plates 2. A driving unit 6 is arranged on the side surface of the side plate 2. The driving unit 6 is used to drive the first movable pressing plate 4 and the second movable pressing plate 5 to move towards or away from each other. The opposite surfaces of the first movable pressing plate 4 and the second movable pressing plate 5 can closely adhere to the upper and lower surfaces of the positioning plate 3. The driving unit 6 includes a driving motor 7 fixedly installed on one side of the side plate 2. The output end of the driving motor 7 is fixedly installed with a gear 8. Two symmetrical and offset rack plates 9 are slidably connected to one side of the side plate 2. The gear 8 is located between the two rack plates 9 and meshes with the two rack plates 9. The ends of the first movable pressing plate 4 and the second movable pressing plate 5 are respectively connected to the two rack plates 9.

[0030] The specific implementation method in this embodiment: When flattening the cardboard in this embodiment, the cardboard to be flattened is respectively placed on the upper surface of the positioning plate 3 and the upper surface of the second movable pressing plate 5. Start the driving motor 7. The output end of the driving motor 7 drives the gear 8 to rotate. The gear 8 drives the two symmetrical and offset rack plates 9 to move towards each other. The first movable pressing plate 4 and the second movable pressing plate 5 are driven to move towards each other through the rack plates 9. The cardboard on the positioning plate 3 is flattened by the positioning plate 3 and the first movable pressing plate 4. The cardboard on the second movable pressing plate 5 is flattened by the second movable pressing plate 5 and the positioning plate 3. After flattening the cardboard on the positioning plate 3 and the second movable pressing plate 5, reverse-start the driving motor 7. Through the reverse rotation of the gear 8, drive the two rack plates 9 to move away from each other. Remove the cardboard on the positioning plate 3 and the second movable pressing plate 5, increase the number of cardboard flattened at one time, and thus improve the efficiency of flattening the cardboard.

[0031] Among them, the above-mentioned driving motor 7 can be purchased on the market. It belongs to mature technology and has been fully disclosed. Therefore, it is not repeated in the specification. The driving motor 7 is equipped with a power connection line, and it is electrically connected to the external main controller and 220V phase voltage (or 380V line voltage) through the power cord. And the main controller can be a conventional known device such as a computer that plays a control role.

[0032] Embodiment 2

[0033] Please refer to Figures 1 - 6, this embodiment includes the above-mentioned embodiment, and further includes: a top plate 10 is fixedly installed between the upper side surfaces of two side plates 2, a bottom plate 11 located between the two side plates 2 is fixedly installed on the upper surface of the bearing table 1, mounting grooves 12 are formed on the opposite side surfaces of the two side plates 2, a gear 8 and a rack plate 9 are both arranged in the mounting groove 12, a connecting shaft 13 penetrating the positioning plate 3 is fixedly connected between the two gears 8, a limiting slider 14 is fixedly installed on one side of each rack plate 9, and a limiting sliding groove 15 adapted to the limiting slider 14 is formed on the inner side wall of the mounting groove 12. Placing grooves 16 are formed on the upper surfaces of the bottom plate 11, the second movable pressing plate 5, the positioning plate 3, and the first movable pressing plate 4. A stop block 17 is fixedly connected to the end of each rack plate 9, and a mounting block 18 is fixedly connected to one end of each rack plate 9 away from the stop block 17. The mounting block 18 is used to mount the first movable pressing plate 4 or the second movable pressing plate 5.

[0034] The specific implementation manner in this embodiment: By providing the top plate 10 and the bottom plate 11, and placing grooves 16 are formed on the upper surfaces of the bottom plate 11, the second movable pressing plate 5, the positioning plate 3, and the first movable pressing plate 4. The placing grooves 16 play a role in positioning the cardboard. When flattening the cardboard, the cardboard to be flattened is placed in the placing groove 16 on the second movable pressing plate 5 on the positioning plate 3. By driving the motor 7 to drive the first movable pressing plate 4 and the second movable pressing plate 5 to move relative to each other, during the process of flattening the cardboard, at this time, the first movable pressing plate 4 is separated from the top plate 10, and the second movable pressing plate 5 is separated from the bottom plate 11. The cardboard to be flattened is placed in the placing grooves 16 on the first movable pressing plate 4 and the bottom plate 11. When the flattening of the cardboard on the second movable pressing plate 5 and the positioning plate 3 is completed, the driving motor 7 drives the first movable pressing plate 4 and the second movable pressing plate 5 to move away from each other. At this time, the cardboard on the first movable pressing plate 4 and the bottom plate 11 is flattened. During the flattening process of the cardboard, the flattened cardboard on the second movable pressing plate 5 and the positioning plate 3 is taken out, and the cardboard to be flattened is placed again. The first movable pressing plate 4 and the second movable pressing plate 5 reciprocating once can flatten the cardboard twice, further improving the efficiency of flattening the cardboard. The gears 8 and the rack plates 9 are arranged in two groups and are driven by the connecting shaft 13 to improve the effect of flattening the cardboard. The two groups of gears 8 and rack plates 9 are both located in the placing groove 16, reducing the space occupied by the gears 8 and the rack plates 9. When the rack plate 9 moves, the limiting slider 14 slides in the limiting sliding groove 15, and the rack plate 9 is limited by the cooperation of the limiting slider 14 and the limiting sliding groove 15. The stop block 17 is used to limit the position of the rack plate 9 to prevent the rack plate 9 from disengaging from the gear 8. The mounting block 18 is used to mount the first movable pressing plate 4 or the second movable pressing plate 5 through fasteners, facilitating the replacement of the deformed first movable pressing plate 4 or the second movable pressing plate 5 in the later stage.

[0035] The above are only the preferred embodiments of the present utility model and are not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A cardboard flattening mechanism, comprising a supporting platform (1), characterized in that: Two symmetrical side plates (2) are fixedly mounted on the upper surface of the support platform (1); a positioning plate (3) is fixedly mounted between the two side plates (2); a first movable pressing plate (4) and a second movable pressing plate (5) are respectively arranged between the two side plates (2) and are located on the upper and lower surfaces of the positioning plate (3); a driving unit (6) is arranged on the side surface of the side plate (2); the driving unit (6) is used to drive the first movable pressing plate (4) and the second movable pressing plate (5) to move toward or away from each other; and the facing surfaces of the first movable pressing plate (4) and the second movable pressing plate (5) can be tightly attached to the upper and lower surfaces of the positioning plate (3).

2. A cardboard flattening mechanism according to claim 1, characterized in that: The driving unit (6) comprises a driving motor (7) fixedly mounted on one side of the side plate (2); a gear (8) is fixedly mounted on the output end of the driving motor (7); two symmetrical and staggered rack plates (9) are slidably connected to one side of the side plate (2); the gear (8) is located between the two rack plates (9) and meshes with the two rack plates (9); and the ends of the first movable pressure plate (4) and the second movable pressure plate (5) are respectively connected to the two rack plates (9).

3. A cardboard flattening mechanism according to claim 1, characterized in that: A top plate (10) is fixedly mounted between the upper side surfaces of the two side plates (2), and a bottom plate (11) located between the two side plates (2) is fixedly mounted on the upper surface of the support platform (1).

4. A cardboard flattening mechanism according to claim 2, characterized in that: The two side plates (2) are provided with mounting grooves (12) on the facing sides, the gears (8) and the rack plate (9) are both arranged in the mounting grooves (12), and a connecting shaft (13) penetrating the positioning plate (3) is fixedly connected between the two gears (8).

5. A cardboard flattening mechanism according to claim 4, characterized in that: A limiting slide block (14) is fixedly mounted on one side of each rack plate (9), and a limiting slide groove (15) adapted to the limiting slide block (14) is provided on the inner side wall of the mounting groove (12).

6. A cardboard flattening mechanism according to claim 3, characterized in that: The upper surfaces of the bottom plate (11), the second movable pressing plate (5), the positioning plate (3) and the first movable pressing plate (4) are all provided with placement grooves (16).

7. A cardboard flattening mechanism according to claim 2, characterized in that: The end of each rack plate (9) is fixedly connected to a stopper (17), and the end of each rack plate (9) away from the stopper (17) is fixedly connected to a mounting block (18), and the mounting block (18) is used to mount the first movable pressure plate (4) or the second movable pressure plate (5).

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