Pressing device for paperboard production

Abstract

The utility model relates to the technical field of paperboard production equipment, and discloses a pressing device for paperboard production, which comprises a bearing table, a replaceable positioning plate is arranged on the upper portion of the bearing table, the positioning plate is matched with a paperboard to be pressed in shape, a bearing frame is further fixedly mounted on the upper portion of the bearing table, and a telescopic device is fixedly mounted on the lower surface of the bearing frame. A lower pressing plate is fixedly installed at the telescopic lower end of the telescopic device, a plurality of pushing plates matched with the positioning plates are arranged on the upper surface of the bearing table, and a driving unit is arranged on the bearing table and used for driving the pushing plates to move in the face-to-face direction or the back-to-back direction at the same time. According to the utility model, the plurality of pushing plates are arranged and can synchronously move in the same direction or in the opposite directions under the action of the driving unit, and the plurality of pushing plates are matched with the positioning plate with the same and equal shape as the paperboard to be pressed, so that the paperboard placed on the positioning plate can be quickly positioned, and the paperboards with different shapes can be quickly positioned; and the overall efficiency of paperboard production is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of paperboard production equipment, in particular to a pressing device for paperboard production. Background Art

[0002] Cardboard, also known as board paper, is a thick paper sheet made from various pulps and composed of interwoven fibers. It is composed of a bottom layer, a base layer and a surface layer. The surface layer can be made of waterproof materials, which makes the composite cardboard waterproof. During the cardboard processing, it needs to be gradually processed through pressing equipment, drying equipment, cutting equipment and packaging equipment. A cardboard pressing device is required in the cardboard pressing process.

[0003] In order to improve the pressing efficiency during cardboard production, the prior art has made many improvements to the pressing device for cardboard production. For example, the patent with patent publication number CN219789482U discloses a pressing mechanism for composite cardboard production, including a workbench, wherein support frames are connected to the left and right sides of the bottom end of the workbench, a groove is opened in the middle of the workbench, and frames are installed on the left and right sides of the groove. The frame is located in the middle of the workbench, and protective covers are connected to the left and right sides of the rear end of the upper surface of the workbench. A pressing device is installed on the frame, and a positioning device is also installed on the frame. The device solves the technical problem of difficulty in manually aligning the cardboard with the pressing mechanism, and achieves the technical effect of positioning the cardboard and improving the accuracy of cardboard pressing.

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

[0005] In the above-mentioned comparative document, the cardboard to be pressed is positioned by a movable right-angle frame, and the above-mentioned two right-angle frames can only position the two sides of the cardboard. When placing the cardboard, the other two sides of the cardboard need to be against one side of the right-angle frame, and the existing cardboard has various shapes, such as round, rectangular and regular polygonal, and the above-mentioned comparative document has poor positioning and pressing effects on cardboards of different shapes, thereby reducing the efficiency of cardboard production. Therefore, the art urgently needs to improve the pressing device for cardboard production to solve the defects of the prior art. Utility Model Content

[0006] In view of the deficiencies of the prior art, the utility model provides a pressing device for cardboard production, which can quickly position the cardboard placed on a positioning plate and can quickly position cardboards of different shapes, thereby improving the overall efficiency of cardboard production.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a pressing device for cardboard production, comprising a bearing platform, a replaceable positioning plate is provided on the upper part of the bearing platform, and the positioning plate is adapted to the shape of the cardboard to be pressed, a bearing frame is also fixedly installed on the upper part of the bearing platform, a telescopic device is fixedly installed on the lower surface of the bearing frame, a lower pressure plate is fixedly installed on the telescopic lower end of the telescopic device, a plurality of push plates adapted to the positioning plate are provided on the upper surface of the bearing platform, and a driving unit is provided on the bearing platform, and the driving unit is used to simultaneously drive a plurality of push plates to move toward or away from each other.

[0008] Preferably, the driving unit includes a driving motor fixedly mounted on the lower surface of the supporting platform, the output end of the driving motor is fixedly mounted with a first gear located inside the supporting platform, an annular gear ring meshing with the first gear is rotatably connected inside the upper surface of the supporting platform, a plurality of second gears meshing with the annular gear ring are also rotatably connected inside the upper surface of the supporting platform, a plurality of movable rack plates meshing with the second gear are slidably connected to the upper surface of the supporting platform, and a plurality of the pushing plates are respectively arranged on the side surfaces of the corresponding movable rack plates.

[0009] Preferably, a polygonal clamping column is provided on the upper surface of the supporting platform, and a clamping groove adapted to the clamping column is provided on the lower surface of the positioning plate.

[0010] Preferably, a sliding groove connected to the outside is provided on the upper side of the movable rack plate, an adaptive slider is slidably connected inside the sliding groove, the push plate is connected to the upper side of the slider, an adjusting screw is rotatably connected in the sliding groove, the adjusting screw passes through the slider and is threadedly connected to the slider, one end of the adjusting screw passes through the movable rack plate and extends to the outside, and the side surface of one end of the adjusting screw extending to the outside is threadedly connected to a limiting ring.

[0011] Preferably, a mounting plate is fixedly connected to one side of the push plate, a rectangular limit block is fixedly connected to the lower surface of the mounting plate, a limit groove adapted to the limit block is opened on the upper side of the sliding block, a fastening bolt passes through the mounting plate, and one end of the fastening bolt passes through the mounting plate and the limit block and is threadedly connected to the bottom of the limit groove.

[0012] Preferably, a movable groove connected to the outside is provided on one side of the pushing plate close to the positioning plate, a matching movable plate is slidably connected in the movable groove, the side surface of the movable plate is flush with the side surface of the pushing plate close to the positioning plate, a guide column is fixedly connected to the bottom of the movable groove, and clearance holes matching the guide column are provided at the upper and lower ends of the movable plate, and a spring is provided between the lower end of the movable plate and the bottom of the movable groove and is sleeved on the side surface of the guide column.

[0013] Preferably, a protective cover plate is provided on the upper surface of the supporting platform, and the protective cover plate is fixedly installed by fasteners.

[0014] In view of the deficiencies of the prior art, the utility model provides a pressing device for cardboard production, which overcomes the deficiencies of the prior art. The beneficial effects of the utility model are:

[0015] 1. In the utility model, a plurality of push plates are provided. Under the action of a driving unit, the plurality of push plates can move toward or away from each other synchronously. In combination with a positioning plate having the same and equal shape as the cardboard to be pressed, the cardboard placed on the positioning plate can be quickly positioned, and cardboards of different shapes can be quickly positioned, thereby improving the overall efficiency of cardboard production.

[0016] 2. In the utility model, a slider, a slide groove, an adjusting screw and a limiting ring are provided. The position of the slider in the slide groove can be adjusted by adjusting the screw. After the slider moves, the push plate is driven to move accordingly. Each push plate can be adjusted in position and fixed in position by a limiting ring. Rectangular or irregular cardboard can be quickly positioned, thereby improving the application range of the overall device.

[0017] 3. In the utility model, by arranging a movable plate, a movable groove, a guide column and a spring, the height of the pushing plate can be set to be smaller than the thickness of the positioning plate. The movable plate is supported by the tension of the spring. When the cardboard is positioned, the movable plate has a pushing effect on the cardboard. When the lower pressing plate moves downward, the movable plate moves downward in the movable groove under the pressure of the lower pressing plate, and the spring is compressed. Cardboards of different thicknesses can be quickly positioned without affecting the pressing of the cardboard.

[0018] 4. In the utility model, by setting the mounting plate, the limit block, the limit groove and the fastening bolt, the push plate can be quickly replaced according to different positioning plates, the position of the mounting plate is limited by the cooperation of the limit block and the limit groove, and the mounting plate is quickly installed and fixed with the fastening bolt.

[0019] Other features and advantages of the utility model will be described in the following description, and partly become apparent from the description, or understood by implementing the utility model. The purpose and other advantages of the utility model can be realized and obtained by the structures indicated in the description, claims and drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.

[0021] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0022] Figure 2This is a schematic diagram of the structure of the clamping column in the utility model;

[0023] Figure 3 It is a structural schematic diagram of a partial cross-section of the load-bearing platform in the utility model;

[0024] Figure 4 It is a structural schematic diagram of the annular gear ring in the utility model;

[0025] Figure 5 It is a structural schematic diagram of the movable rack plate in the utility model;

[0026] Figure 6 It is a structural schematic diagram of the movable plate in the utility model;

[0027] Figure 7 It is a structural schematic diagram of the positioning groove in the utility model.

[0028] In the figure: 1. supporting platform; 2. positioning plate; 3. lower pressure plate; 4. supporting frame; 5. telescopic device; 6. pushing plate; 7. driving unit; 8. driving motor; 9. first gear; 10. annular gear ring; 11. second gear; 12. rack plate; 13. clamping column; 14. clamping groove; 15. slide groove; 16. slider; 17. adjusting screw; 18. limiting ring; 19. mounting plate; 20. limiting block; 21. fastening bolt; 22. limiting groove; 23. moving plate; 24. moving groove; 25. spring; 26. guide column; 27. protective cover; 28. clearance hole. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0030] Embodiment 1

[0031] See also Figure 1-Figure 7 A pressing device for cardboard production includes a bearing platform 1, a replaceable positioning plate 2 is provided on the upper part of the bearing platform 1, and the positioning plate 2 is adapted to the shape of the cardboard to be pressed. A bearing frame 4 is also fixedly installed on the upper part of the bearing platform 1, and a telescopic device 5 is fixedly installed on the lower surface of the bearing frame 4. A lower pressing plate 3 is fixedly installed on the telescopic lower end of the telescopic device 5. A plurality of pushing plates 6 adapted to the positioning plate 2 are provided on the upper surface of the bearing platform 1. A driving unit 7 is provided on the bearing platform 1. The driving unit 7 is used to simultaneously drive a plurality of pushing plates 6 to move toward or away from each other. A polygonal clamping column 13 is provided on the upper surface of the bearing platform 1, and a clamping groove 14 adapted to the clamping column 13 is opened on the lower surface of the positioning plate 2. A protective cover plate 27 is provided on the upper surface of the bearing platform 1, and the protective cover plate 27 is fixedly installed by fasteners.

[0032] The specific implementation method of this embodiment is as follows: when the cardboard needs to be pressed during production, the cardboard to be pressed is placed on the upper surface of the positioning plate 2 in cooperation with the automatic loading and unloading device (such as a mechanical arm) in the prior art, and the driving unit 7 is started. After the driving unit 7 is started, it drives several pushing plates 6 to move towards each other at the same time. The cardboard to be pressed has the same and equal shape as the positioning plate 2. Therefore, when several pushing plates 6 move at the same time, the cardboard is positioned on the positioning plate 2, which is convenient for the rapid positioning of circular, square or regular polygonal cardboards, and improves the positioning efficiency of cardboards of different shapes that need to be pressed. The rate is improved, thereby improving the overall efficiency of cardboard production. In this embodiment, there is no limitation on the number of push plates 6. The number of push plates 6 is determined according to the shape of the cardboard to be pressed. After the cardboard is positioned, the telescopic device 5 is started, and the telescopic lower end of the telescopic device 5 drives the lower pressing plate 3 to move downward to press the cardboard. At the same time, when it is necessary to press cardboards of different shapes, the positioning plate 2 is removed. The positioning plate 2 to be installed is clamped on the side of the clamping column 13 through the clamping groove 14, which is convenient for replacing the positioning plate 2. The protective cover plate 27 is used to protect the driving unit 7 provided on the carrier 1.

[0033] Among them, the telescopic device 5 mentioned above can be purchased on the market. It is a mature technology and has been fully disclosed, so it is not repeated in the specification. The telescopic device 5 is equipped with a power connection line, and it is electrically connected to the external main controller and 220V phase voltage through the power line or connected to the external hydraulic equipment through a pipeline, and the main controller can be a conventional known device such as a computer that plays a control role.

[0034] Embodiment 2

[0035] See also Figure 2 , Figure 3 and Figure 4 , this embodiment includes the above-mentioned embodiment, wherein the driving unit 7 includes a driving motor 8 fixedly mounted on the lower surface of the supporting platform 1, a first gear 9 located inside the supporting platform 1 is fixedly mounted on the output end of the driving motor 8, an annular gear ring 10 meshing with the first gear 9 is rotatably connected inside the upper surface of the supporting platform 1, a plurality of second gears 11 meshing with the annular gear ring 10 are also rotatably connected inside the upper surface of the supporting platform 1, a plurality of movable rack plates 12 meshing with the second gears 11 are slidably connected to the upper surface of the supporting platform 1, and a plurality of push plates 6 are respectively arranged on the upper side surfaces of the corresponding movable rack plates 12.

[0036] The specific implementation method in this embodiment is as follows: when it is necessary to position the cardboard placed on the positioning plate 2 through a plurality of push plates 6, the drive motor 8 is started, and the output end of the drive motor 8 drives the first gear 9 to rotate, the first gear 9 drives the annular gear ring 10 to rotate, the annular gear ring 10 drives a plurality of second gears 11 to rotate at the same time, and when the plurality of second gears 11 rotate, they drive the corresponding movable rack plates 12 to move, thereby realizing the simultaneous movement of the plurality of push plates 6 toward or away from each other.

[0037] Among them, the above-mentioned drive motor 8 can be purchased on the market. It is a mature technology and has been fully disclosed, so it is not repeated in the specification. The drive motor 8 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 line, and the main controller can be a conventional known device such as a computer that plays a control role.

[0038] Implementation Three

[0039] See also Figure 5 and Figure 6 This embodiment includes all the above embodiments, which further includes: a sliding groove 15 connected to the outside is opened on the upper side of the movable rack plate 12, an adaptive slider 16 is slidably connected inside the sliding groove 15, the push plate 6 is connected to the upper side of the slider 16, an adjusting screw rod 17 is rotatably connected in the sliding groove 15, the adjusting screw rod 17 passes through the slider 16 and is threadedly connected to the slider 16, one end of the adjusting screw rod 17 passes through the movable rack plate 12 and extends to the outside, and the side of one end of the adjusting screw rod 17 extending to the outside is threadedly connected to a limiting ring 18.

[0040] The specific implementation method of this embodiment is as follows: if it is necessary to compact rectangular or irregular cardboard, by rotating the adjusting screw 17, the adjusting screw 17 drives the slider 16 to move in the slide groove 15, and the slider 16 drives the push plate 6 to move when it moves. The position of several push plates 6 on the moving rack plate 12 can be adjusted, and the position of the adjusting screw 17 can be fixed by tightening the limit ring 18, thereby improving the application range of the overall device.

[0041] Implementation Four

[0042] See also Figure 6, this embodiment includes all the above embodiments, which further includes: a mounting plate 19 is fixedly connected to one side of the push plate 6, a rectangular limit block 20 is fixedly connected to the lower surface of the mounting plate 19, a limit groove 22 adapted to the limit block 20 is opened on the upper side of the slider 16, a fastening bolt 21 is passed through the mounting plate 19, one end of the fastening bolt 21 passes through the mounting plate 19 and the limit block 20 and is threadedly connected to the bottom of the limit groove 22, a moving groove 24 connected to the outside is opened on the side of the push plate 6 close to the positioning plate 2, an adapted moving plate 23 is slidably connected in the moving groove 24, the side of the moving plate 23 is flush with the side of the push plate 6 close to the positioning plate 2, a guide column 26 is fixedly connected to the bottom of the moving groove 24, and a clearance hole 28 adapted to the guide column 26 is opened at the upper and lower ends of the moving plate 23, and a spring 25 sleeved on the side of the guide column 26 is provided between the lower end of the moving plate 23 and the bottom of the moving groove 24.

[0043] Specific implementation method of this embodiment: the push plate 6 can be replaced according to the positioning plate 2 of different shapes. The push plate 6 to be installed is inserted into the limit groove 22 through the limit block 20, and one end of the limit fastening bolt 21 passes through the mounting plate 19 and the limit block 20 and is threadedly connected with the threaded hole at the bottom of the limit groove 22. The fastening bolt 21 is tightened, and the limit block 20 and the limit groove 22 cooperate to position the mounting plate 19. The fastening bolt 21 is used to fix and prevent the direction of the push plate 6 from deviating. The height of the push plate 6 can be set to be small Depending on the thickness of the positioning plate 2, the movable plate 23 is supported by the tension of the spring 25. When positioning the cardboard, the movable plate 23 has a pushing effect on the cardboard. When the lower pressing plate 3 moves downward, the movable plate 23 is pressed by the lower pressing plate 3 and moves downward in the movable groove 24. The spring 25 is compressed, and cardboards of different thicknesses can be quickly positioned without affecting the pressing of the cardboard. When the movable plate 23 moves downward, one end of the guide column 26 is inserted into the clearance hole 28. The guide column 26 prevents the spring 25 from deforming and causing the support for the movable plate 23 to fail.

[0044] The above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A pressing device for cardboard production, comprising a carrying platform (1), characterized in that: The upper part of the bearing platform (1) is provided with a replaceable positioning plate (2), and the positioning plate (2) is adapted to the shape of the cardboard to be pressed. The upper part of the bearing platform (1) is also fixedly installed with a bearing frame (4), and the lower surface of the bearing frame (4) is fixedly installed with a telescopic device (5), and the telescopic lower end of the telescopic device (5) is fixedly installed with a lower pressing plate (3). The upper surface of the bearing platform (1) is provided with a plurality of pushing plates (6) adapted to the positioning plate (2). The bearing platform (1) is provided with a driving unit (7), and the driving unit (7) is used to simultaneously drive a plurality of pushing plates (6) to move toward or away from each other.

2. A pressing device for cardboard production according to claim 1, characterized in that: The driving unit (7) comprises a driving motor (8) fixedly mounted on the lower surface of the supporting platform (1); a first gear (9) located inside the supporting platform (1) is fixedly mounted on the output end of the driving motor (8); an annular gear ring (10) meshing with the first gear (9) is rotatably connected inside the upper surface of the supporting platform (1); a plurality of second gears (11) meshing with the annular gear ring (10) are also rotatably connected inside the upper surface of the supporting platform (1); a plurality of movable rack plates (12) meshing with the second gears (11) are slidably connected to the upper surface of the supporting platform (1); and a plurality of the pushing plates (6) are respectively arranged on the upper side surfaces of the corresponding movable rack plates (12).

3. A pressing device for cardboard production according to claim 1, characterized in that: The upper surface of the support platform (1) is provided with a polygonal clamping column (13), and the lower surface of the positioning plate (2) is provided with a clamping groove (14) adapted to the clamping column (13).

4. A pressing device for cardboard production according to claim 2, characterized in that: The upper side of the movable rack plate (12) is provided with a slide groove (15) connected to the outside, and an adapted slider (16) is slidably connected inside the slide groove (15). The push plate (6) is connected to the upper side of the slider (16). An adjusting screw rod (17) is rotatably connected inside the slide groove (15). The adjusting screw rod (17) passes through the slider (16) and is threadedly connected to the slider (16). One end of the adjusting screw rod (17) passes through the movable rack plate (12) and extends to the outside. The side of one end of the adjusting screw rod (17) extending to the outside is threadedly connected to a limiting ring (18).

5. A pressing device for cardboard production according to claim 4, characterized in that: A mounting plate (19) is fixedly connected to one side of the push plate (6); a rectangular limit block (20) is fixedly connected to the lower surface of the mounting plate (19); a limit groove (22) adapted to the limit block (20) is provided on the upper side of the slide block (16); a fastening bolt (21) passes through the mounting plate (19); one end of the fastening bolt (21) passes through the mounting plate (19) and the limit block (20) and is threadedly connected to the bottom of the limit groove (22).

6. A pressing device for cardboard production according to claim 1, characterized in that: A moving groove (24) communicating with the outside is provided on one side of the pushing plate (6) close to the positioning plate (2); a matching moving plate (23) is slidably connected in the moving groove (24); a side surface of the moving plate (23) is flush with a side surface of the pushing plate (6) close to the positioning plate (2); a guide column (26) is fixedly connected to the bottom of the moving groove (24); clearance holes (28) matching the guide column (26) are provided through the upper and lower ends of the moving plate (23); and a spring (25) sleeved on the side surface of the guide column (26) is provided between the lower end of the moving plate (23) and the bottom of the moving groove (24).

7. A pressing device for cardboard production according to claim 1, characterized in that: The upper surface of the bearing platform (1) is provided with a protective cover plate (27), and the protective cover plate (27) is fixedly installed by fasteners.

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