Paperboard conveying and positioning device for printing machine

Abstract

The utility model relates to the technical field of paper conveying, and provides a paperboard conveying and positioning device for a printing machine, which comprises a main body, a conveying motor is fixedly connected to the outer side wall of the main body, and an output shaft of the conveying motor drives a conveying belt to rotate through a transmission roller; the flattening assembly comprises a supporting plate and a hinge piece, the flattening assembly is arranged to flatten the warped part of paper, when the paper is warped in the conveying process, the output shaft of the driving motor drives the gear to rotate, the gear drives the rack to move, the edge of the rack slides in the sliding groove, the arc-shaped plate drives the heating plate to deflect through the connecting shaft, and therefore the paper is flattened. And after heating, the limiting electric push rod drives the lower pressing plate to move downwards, so that the paper is rapidly cooled by the cooling roller, the problem that the paper is tilted in the conveying process is effectively solved, and the practicability of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of paper conveying, in particular to a paperboard conveying and positioning device for a printing press. Background Art

[0002] In paper printing and processing equipment or printed product quality inspection and coding equipment, it is often necessary to use a paper conveying device to continuously convey the paper or printed product forward, so that the paper printing and processing equipment can accurately print the paper, and the printed product quality inspection and coding equipment can accurately inspect the printed product.

[0003] For example, publication number CN217024605U discloses a paper loading, positioning, and conveying device, comprising a frame and a paper conveying platform. The frame is provided with a paper loading mechanism, a paper detection mechanism, a paper adsorption and positioning mechanism, and a paper conveying mechanism, sequentially arranged along the conveying direction of the paper conveying platform. The paper loading mechanism, the paper detection mechanism, the paper adsorption and positioning mechanism, and the paper conveying mechanism are electrically connected. A paper limiting area is provided on the paper conveying platform, and the paper adsorption and positioning mechanism and the paper conveying mechanism are respectively located within the paper limiting area. The present invention can convey individual sheets of paper through the loading mechanism, the paper detection mechanism can detect the conveying position and direction of the paper, and the paper adsorption and positioning mechanism can adsorb and position the paper, and the paper conveying mechanism can convey the paper smoothly and reliably forward, thereby ensuring the accuracy of the printing process of the paper printing and processing equipment.

[0004] However, in the prior art, the paper will warp during the conveying process, resulting in inaccurate paper positioning, affecting the printing quality, and thus the practicality of the device is limited to a certain extent. Utility Model Content

[0005] The utility model aims to solve the problem in the prior art that paper will be tilted during the conveying process, resulting in inaccurate paper positioning and affecting printing quality.

[0006] In order to achieve the above-mentioned purpose, the present invention adopts the following technical solutions: a cardboard conveying and positioning device for a printing press, comprising a main body, the outer side wall of the main body is fixedly connected to a conveying motor, the output shaft of the conveying motor drives the conveyor belt to rotate through a transmission roller, the upper surface of the main body is fixedly connected to a mounting block, the surface of the mounting block is provided with a leveling assembly, the leveling assembly comprises a support plate and a hinge, the support plate is symmetrically fixedly connected to the upper surface of the mounting block, the hinge is fixedly connected to a lower position of the outer side wall of the mounting block, and one end of the hinge is movably connected to a heating The upper surface of the heating plate is movably connected to the arc plate by a connecting shaft, and slide grooves are symmetrically opened on the inner sides of the two support plates, and the protrusions on the edges of the arc plates slide in the slide grooves. The upper surface of the mounting block is fixedly connected to a driving motor on the side close to the support plate, and the output shaft of the driving motor is transmission-connected to a gear, and the lower surface of the arc plate is fixedly connected to a rack, and the rack and the gear are meshed with each other. The inner top wall of the mounting block is fixedly connected to a limiting electric push rod, and one end of the limiting electric push rod is fixedly connected to a lower pressure plate, and the lower surface of the lower pressure plate is rotatably connected to a cooling roller.

[0007] As a preferred embodiment, the outer wall of the main body is fixedly connected to a mounting bracket at one end away from the conveying motor, the outer wall of the mounting bracket is fixedly connected to a stepping motor, the output shaft of the stepping motor is transmission-connected to a movable rod 1, and the movable rod 1 extends through the interior of the mounting bracket and is movably connected to the inner wall of the mounting bracket.

[0008] As a preferred embodiment, a plurality of equally spaced drive motors are fixedly connected to the surface of the movable rod 1, and an L-shaped connecting plate is symmetrically fixedly connected to the inner side wall of the mounting frame below the movable rod 1.

[0009] As a preferred embodiment, the inner sides of the two L-shaped connecting plates are fixedly connected via a movable rod 2, and a plurality of rollers arranged at equal distances are movably connected to the surface of the movable rod 2.

[0010] As a preferred embodiment, one side of the roller is connected to the rotating shaft through a transmission belt, and each rotating shaft and roller corresponds to each other.

[0011] As a preferred embodiment, a support block is symmetrically fixedly connected to the inner side wall of the mounting frame below the L-shaped connecting plate, and a hydraulic cylinder is fixedly connected to the upper surface of the support block.

[0012] As a preferred embodiment, the output shaft of the hydraulic cylinder is transmission-connected to a hydraulic rod, and one end of the hydraulic rod is fixedly connected to a positioning block.

[0013] Compared with the prior art, the advantages and positive effects of the present invention are:

[0014] 1. The utility model is provided with a leveling component to level the warped parts of the paper. When the paper is warped during transportation, the output shaft of the driving motor drives the gear to rotate, the gear drives the rack to move, and the edge of the rack slides in the slide groove, so that the arc plate drives the heating plate to deflect through the connecting shaft, so that the heating plate can level and heat the paper according to different degrees of warping, and after heating, the limiting electric push rod drives the lower pressure plate to move downward, so that the cooling roller quickly cools the paper, thereby effectively solving the problem of paper warping during transportation and improving the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the overall structure of a cardboard conveying and positioning device for a printing press provided by the utility model;

[0016] Figure 2 This is a schematic structural diagram of a flattening component of a cardboard conveying and positioning device for a printing press provided by the utility model;

[0017] Figure 3 This is a structural diagram of the mounting frame of a cardboard conveying and positioning device for a printing press provided by the utility model;

[0018] Figure 4 The utility model provides a cardboard conveying and positioning device for a printing press Figure 2 A schematic diagram of the structure at center A;

[0019] Legend:

[0020] 1. Main body; 2. Conveyor motor; 3. Conveyor belt; 4. Mounting block; 5. Lower pressure plate; 6. Cooling roller; 7. Heating plate; 8. Curved plate; 9. Support plate; 10. Drive motor; 11. Gear; 12. Rack; 13. Slide; 14. Mounting frame; 15. Stepper motor; 16. Movable rod 1; 17. L-shaped connecting plate; 18. Movable rod 2; 19. Roller; 20. Rotating shaft; 21. Drive belt; 22. Support block; 23. Hydraulic cylinder; 24. Hydraulic rod; 25. Positioning block. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] See also Figure 1-4The utility model provides a technical solution: a cardboard conveying and positioning device for a printing press, comprising a main body 1, a conveying motor 2 is fixedly connected to the outer wall of the main body 1, and the output shaft of the conveying motor 2 drives the conveyor belt 3 to rotate through a transmission roller. The upper surface of the main body 1 is fixedly connected to a mounting block 4, and a leveling component is provided on the surface of the mounting block 4. The leveling component comprises a support plate 9 and a hinge. The support plate 9 is symmetrically fixedly connected to the upper surface of the mounting block 4, and the hinge is fixedly connected to the lower position of the outer wall of the mounting block 4. One end of the hinge is movably connected to a heating plate 7, and the upper surface of the heating plate 7 is movably connected to an arc plate 8 through a connecting shaft. Slide grooves 13 are symmetrically provided on the inner sides of the two support plates 9, and the raised edge of the arc plate 8 slides in the slide groove 13. The upper surface of the mounting block 4 close to the support plate 9 is fixedly connected to a drive motor 10, and the output shaft of the drive motor 10 drives It is connected with a gear 11, and the lower surface of the arc plate 8 is fixedly connected with a rack 12, and the rack 12 and the gear 11 are meshed with each other. The inner top wall of the mounting block 4 is fixedly connected with a limited electric push rod, and one end of the limited electric push rod is fixedly connected with a lower pressure plate 5. The lower surface of the lower pressure plate 5 is rotatably connected with a cooling roller 6. When the paper is tilted during transportation, the output shaft of the drive motor 10 drives the gear 11 to rotate, and the gear 11 drives the rack 12 to move. The edge of the rack 12 slides in the slide groove 13, so that the arc plate 8 drives the heating plate 7 to deflect through the connecting shaft, so that the heating plate 7 can level and heat the paper with different degrees of tilting, and after heating, the limited electric push rod drives the lower pressure plate 5 to move downward, so that the cooling roller 6 quickly cools the paper, thereby effectively solving the problem of paper tilting during transportation, enhancing the subsequent paper printing effect, and improving the overall practicality of the device.

[0023] like Figure 1-4 As shown, the end of the outer wall of the main body 1 away from the conveying motor 2 is fixedly connected to the mounting bracket 14, the outer wall of the mounting bracket 14 is fixedly connected to the stepping motor 15, the output shaft of the stepping motor 15 is transmission-connected to the movable rod 16, and the movable rod 16 extends through the interior of the mounting bracket 14 and is movably connected to the inner wall of the mounting bracket 14.

[0024] like Figure 1-4 As shown, the surface of the movable rod 16 is fixedly connected with several equidistantly arranged drive motors 10, and the inner wall of the mounting frame 14 is symmetrically fixedly connected with an L-shaped connecting plate 17 at a position below the movable rod 16. The inner sides of the two L-shaped connecting plates 17 are fixedly connected by the movable rod 2 18. The surface of the movable rod 2 18 is movably connected with several equidistantly arranged rollers 19, and one side of the roller 19 is connected to the rotating shaft 20 through a transmission belt 21, and each rotating shaft 20 and the roller 19 correspond to each other. The output shaft of the stepping motor 15 drives multiple groups of rotating shafts 20 to rotate through the movable rod 16, and the rotating shaft 20 drives multiple groups of rollers 19 to rotate through the transmission belt 21. The roller 19 continuously transports the pre-positioned paper forward, thereby improving the efficiency of subsequent printing processing.

[0025] like Figure 1-4 As shown, the inner wall of the mounting frame 14 is symmetrically fixedly connected to a support block 22 at a position below the L-shaped connecting plate 17, and the upper surface of the support block 22 is fixedly connected to a hydraulic cylinder 23, and the output shaft of the hydraulic cylinder 23 is transmission-connected to a hydraulic rod 24, and one end of the hydraulic rod 24 is fixedly connected to a positioning block 25. The output shaft of the hydraulic cylinder 23 drives the positioning block 25 to move downward through the hydraulic rod 24, and the positioning block 25 pre-positions the edge of the paper, thereby ensuring the stability of the paper during printing and further improving the paper printing effect.

[0026] Working principle:

[0027] When in use, first place the paper on the surface of the conveyor belt 3, and the output shaft of the conveying motor 2 drives the conveyor belt 3 to rotate through the transmission roller. When the paper is tilted during the conveying process, the output shaft of the driving motor 10 drives the gear 11 to rotate, and the gear 11 drives the rack 12 to move. The edge of the rack 12 slides in the slide groove 13, so that the arc plate 8 drives the heating plate 7 to deflect through the connecting shaft, so that the heating plate 7 can flatten and heat the paper with different tilting degrees, and after heating, the limit electric push rod drives the lower pressing plate 5 to move downward, so that the cooling roller 6 presses the paper. The sheet is quickly cooled, thereby effectively solving the problem of paper warping during transportation. Then the paper is continuously transported, and the output shaft of the hydraulic cylinder 23 drives the positioning block 25 to move downward through the hydraulic rod 24. The positioning block 25 pre-positions the edge of the paper. The output shaft of the stepping motor 15 drives the movable rod 16 to rotate, and the movable rod 16 drives multiple groups of rotating shafts 20 to rotate. The rotating shaft 20 drives multiple groups of rollers 19 to rotate in the movable rod 2 18 through the transmission belt 21, and the roller 19 drives the pre-positioned paper to be continuously transported forward, thereby improving the production efficiency of paper printing.

[0028] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any other form. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes for application in other fields. However, any simple modification, equivalent change and modification of the above embodiment made according to the technical essence of the present invention without departing from the content of the technical solution of the present invention shall still fall within the scope of protection of the technical solution of the present invention.

Claims

1. A cardboard conveying and positioning device for a printing press, comprising a main body (1), characterized in that: The outer wall of the main body (1) is fixedly connected to a conveying motor (2), and the output shaft of the conveying motor (2) drives the conveyor belt (3) to rotate through a transmission roller. The upper surface of the main body (1) is fixedly connected to a mounting block (4), and a leveling assembly is provided on the surface of the mounting block (4). The leveling assembly includes a support plate (9) and a hinge. The support plate (9) is symmetrically fixedly connected to the upper surface of the mounting block (4). The hinge is fixedly connected to the lower position of the outer wall of the mounting block (4). One end of the hinge is movably connected to a heating plate (7). The upper surface of the heating plate (7) is movably connected to an arc plate (8) via a connecting shaft. The two support plates (9) are fixedly connected to the upper surface of the mounting block (4). A slide groove (13) is symmetrically provided on the inner side of the plate (9), and the edge protrusion of the arc plate (8) slides in the slide groove (13). The upper surface of the mounting block (4) is fixedly connected to a side of the support plate (9), and the output shaft of the driving motor (10) is connected to a gear (11). The lower surface of the arc plate (8) is fixedly connected to a rack (12), and the rack (12) and the gear (11) are meshed with each other. The inner top wall of the mounting block (4) is fixedly connected to a limit electric push rod, and one end of the limit electric push rod is fixedly connected to a lower pressure plate (5), and the lower surface of the lower pressure plate (5) is rotatably connected to a cooling roller (6).

2. A cardboard conveying and positioning device for a printing press according to claim 1, characterized in that: An end of the outer wall of the main body (1) away from the conveying motor (2) is fixedly connected to a mounting frame (14), and the outer wall of the mounting frame (14) is fixedly connected to a stepping motor (15). The output shaft of the stepping motor (15) is transmission-connected to a movable rod (16), and the movable rod (16) extends through the interior of the mounting frame (14) and is movably connected to the inner wall of the mounting frame (14).

3. The cardboard conveying and positioning device for a printing press according to claim 2, characterized in that: The surface of the movable rod (16) is fixedly connected to a plurality of equally spaced drive motors (10), and the inner side wall of the mounting frame (14) is symmetrically fixedly connected to an L-shaped connecting plate (17) located below the movable rod (16).

4. A cardboard conveying and positioning device for a printing press according to claim 3, characterized in that: The inner sides of the two L-shaped connecting plates (17) are fixedly connected via a second movable rod (18), and the surface of the second movable rod (18) is movably connected to a plurality of rollers (19) arranged at equal distances.

5. The cardboard conveying and positioning device for a printing press according to claim 4, characterized in that: One side of the roller (19) is connected to the rotating shaft (20) via a transmission belt (21), and each rotating shaft (20) and roller (19) correspond to each other.

6. The cardboard conveying and positioning device for a printing press according to claim 2, characterized in that: The inner side wall of the mounting frame (14) is symmetrically fixedly connected to a support block (22) located below the L-shaped connecting plate (17), and the upper surface of the support block (22) is fixedly connected to a hydraulic cylinder (23).

7. The cardboard conveying and positioning device for a printing press according to claim 6, characterized in that: The output shaft of the hydraulic cylinder (23) is transmission-connected to a hydraulic rod (24), and one end of the hydraulic rod (24) is fixedly connected to a positioning block (25).

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