Vacuum adsorption device for bottom plate of printing machine

Abstract

The utility model relates to the technical field of vacuum adsorption, and discloses a vacuum adsorption device for a printing machine bottom plate, which comprises a base, the upper surface of the base is fixedly connected with a first fixing block, the inside of the first fixing block is fixedly connected with a first hydraulic machine, and the output end of the first hydraulic machine is fixedly connected with a U-shaped rod. A fixing rod is fixedly connected to the outer wall of the U-shaped rod, a gear is rotationally connected to the outer wall of the fixing rod, a first rack is connected to the tooth end of the gear in a meshed mode, the lower surface of the first rack is fixedly connected to the upper surface of the base, and a second rack is connected to the tooth end of the gear in a meshed mode. The first hydraulic machine pushes the U-shaped rod to further drive the fixing rod, the fixing rod drives the gear to rotate, the gear drives the second rack, the second rack drives the cleaning brush to clean the adsorption barrel, and the effects that impurities such as dust, paper scraps and printing ink on the adsorption barrel are removed regularly, and adverse effects caused by impurity accumulation are prevented are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of vacuum adsorption, in particular to a vacuum adsorption device for a bottom plate of a printing machine. Background Art

[0002] Stable paper transport is crucial during the printing process. Vacuum suction creates negative pressure, firmly adhering the paper to the base plate, ensuring it does not shift or slip during transport. Stable transport improves printing accuracy and consistency, ultimately enhancing the quality of printed products. Therefore, a vacuum suction device for the base plate of a printing press is required.

[0003] A vacuum adsorption device for the bottom plate of a printing press utilizes the principle of vacuum adsorption to stably and evenly adsorb paper and transport it to the inside of the printing press for printing. In the past, during long-term use, the vacuum adsorption device for the bottom plate of a printing press may cause paper fibers, dust and other impurities to clog the vacuum adsorption holes. The blockages gradually accumulate and may cause the adsorption holes to malfunction, thereby affecting the vacuum adsorption effect. Utility Model Content

[0004] In order to make up for the above shortcomings, the utility model provides a vacuum adsorption device for the bottom plate of a printing press, which aims to improve the problem that paper fibers, dust and other impurities may clog the vacuum adsorption holes, causing the adsorption holes to malfunction.

[0005] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a vacuum adsorption device for a bottom plate of a printing press, comprising a base, the upper surface of the base is fixedly connected to a first fixed block, the interior of the first fixed block is fixedly connected to a first hydraulic press, the output end of the first hydraulic press is fixedly connected to a U-shaped rod, the outer wall of the U-shaped rod is fixedly connected to a fixed rod, the outer wall of the fixed rod is rotatably connected to a gear, the tooth end of the gear is meshed with a first rack, the lower surface of the first rack is fixedly connected to the upper surface of the base, the tooth end of the gear is meshed with a second rack, the lower surface of the second rack is slidably connected to a slide rail, the lower surface of the slide rail is fixedly connected to the upper surface of the base, the upper surface of the second rack is fixedly connected to a cleaning brush, the outer wall of the cleaning brush is provided with a vacuum adsorption assembly, and the vacuum adsorption assembly is used to adsorb paper stably and evenly.

[0006] Preferably, the vacuum adsorption assembly includes an adsorption cylinder, the outer wall of the adsorption cylinder is slidably connected to the outer wall of the cleaning brush, and the interior of the adsorption cylinder is rotatably connected to a rotating column.

[0007] Preferably, a second fixed block is fixedly connected to the upper surface of the base, a second hydraulic press is fixedly connected inside the second fixed block, and a U-shaped block is fixedly connected to the output end of the second hydraulic press.

[0008] Preferably, the interior of the U-shaped block is slidably connected to a sliding rod, and the outer wall of the sliding rod is fixedly connected to an H-shaped block.

[0009] Preferably, the interior of the H-shaped block is rotatably connected to a fixed column, and the outer wall of the fixed column is fixedly connected to a support plate.

[0010] Preferably, the lower surface of the support plate is fixedly connected to the upper surface of the base, and a connecting rod is fixedly connected to the inside of the H-shaped block.

[0011] Preferably, the outer wall of the connecting rod is rotatably connected to a clamping block.

[0012] Preferably, the outer wall of the clamping block is slidably connected to the outer wall of the rotating column.

[0013] The utility model has the following beneficial effects:

[0014] 1. In the utility model, the U-shaped rod is pushed by the first hydraulic press to drive the fixed rod, the fixed rod drives the gear to rotate, the gear drives the second rack, and the second rack drives the cleaning brush to clean the adsorption cylinder, so as to regularly remove dust, paper scraps, ink and other impurities on the adsorption cylinder to prevent the accumulation of impurities and cause adverse effects.

[0015] 2. In the present invention, the U-shaped block is pushed by the second hydraulic press to drive the sliding rod, the sliding rod drives the H-shaped block to rotate, the H-shaped block drives the connecting rod and then drives the clamping block to quickly pick up and place the rotating column, so as to achieve the effect of quickly replacing the rotating column and the adsorption cylinder, simplifying the maintenance process and reducing the difficulty of maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a three-dimensional diagram of a vacuum adsorption device for a printing press bottom plate proposed by the present invention;

[0017] Figure 2 This is a schematic diagram of the partial structure of a gear for a vacuum adsorption device for a printing press bottom plate proposed by the present invention;

[0018] Figure 3 The utility model is a schematic diagram of the partial structure of a U-shaped block for a vacuum adsorption device for a bottom plate of a printing press.

[0019] Legend:

[0020] 1. Base; 2. First fixed block; 3. First hydraulic press; 4. U-shaped rod; 5. Fixed rod; 6. Gear; 7. First rack; 8. Second rack; 9. Slide rail; 10. Cleaning brush; 11. Support plate; 12. Fixed column; 13. Second fixed block; 14. Second hydraulic press; 15. U-shaped block; 16. Sliding rod; 17. H-shaped block; 18. Connecting rod; 19. Clamping block; 20. Rotating column; 21. Adsorption cylinder. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings of the specification 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] Reference Figure 1 and Figure 2 The utility model provides an embodiment: a vacuum adsorption device for a bottom plate of a printing press, comprising a base 1, the upper surface of the base 1 is fixedly connected to a first fixed block 2, the inside of the first fixed block 2 is fixedly connected to a first hydraulic press 3, the output end of the first hydraulic press 3 is fixedly connected to a U-shaped rod 4, the outer wall of the U-shaped rod 4 is fixedly connected to a fixed rod 5, the outer wall of the fixed rod 5 is rotatably connected to a gear 6, the tooth end of the gear 6 is meshed with a first rack 7, the lower surface of the first rack 7 is fixedly connected to the upper surface of the base 1, the tooth end of the gear 6 is meshed with a second rack 8, the lower surface of the second rack 8 is slidably connected to a slide rail 9, the lower surface of the slide rail 9 is fixedly connected to the upper surface of the base 1, the upper surface of the second rack 8 is fixedly connected to a cleaning brush 10, the outer wall of the cleaning brush 10 is provided with a vacuum adsorption component, and the vacuum adsorption component is used to adsorb paper stably and evenly.

[0023] Specifically, the base 1 plays a role of fixed support for the first fixed block 2, the first fixed block 2 plays a role of fixed support for the first hydraulic press 3, the first hydraulic press 3 pushes the U-shaped rod 4 to move and then drives the fixed rod 5 to move, the fixed rod 5 drives the gear 6 to rotate on the tooth end of the first rack 7, the base 1 plays a role of fixed support for the first rack 7, the gear 6 drives the second rack 8 to slide on the upper surface of the slide rail 9, the base 1 plays a role of fixed support for the slide rail 9, and then the second rack 8 drives the cleaning brush 10 to clean the adsorption cylinder 21.

[0024] Reference Figure 1 The vacuum adsorption assembly includes an adsorption cylinder 21 , the outer wall of the adsorption cylinder 21 is slidably connected to the outer wall of the cleaning brush 10 , and the interior of the adsorption cylinder 21 is rotatably connected to the rotating column 20 .

[0025] Specifically, the cleaning brush 10 cleans impurities such as dust, paper scraps, and ink on the surface of the adsorption cylinder 21 , and the adsorption cylinder 21 adsorbs paper.

[0026] Reference Figure 1 and Figure 3 The upper surface of the base 1 is fixedly connected to a second fixed block 13, the interior of the second fixed block 13 is fixedly connected to a second hydraulic press 14, the output end of the second hydraulic press 14 is fixedly connected to a U-shaped block 15, the interior of the U-shaped block 15 is slidably connected to a sliding rod 16, the outer wall of the sliding rod 16 is fixedly connected to an H-shaped block 17, the interior of the H-shaped block 17 is rotatably connected to a fixed column 12, the outer wall of the fixed column 12 is fixedly connected to a support plate 11, the lower surface of the support plate 11 is fixedly connected to the upper surface of the base 1, the interior of the H-shaped block 17 is fixedly connected to a connecting rod 18, the outer wall of the connecting rod 18 is rotatably connected to a clamping block 19, and the outer wall of the clamping block 19 is slidably connected to the outer wall of the rotating column 20.

[0027] Specifically, the base 1 plays a role of fixed support for the second fixed block 13, the second fixed block 13 plays a role of fixed support for the second hydraulic press 14, the second hydraulic press 14 pushes the U-shaped block 15 to move and thus drives the sliding rod 16 to move, the sliding rod 16 drives the H-shaped block 17 to rotate on the outer wall of the fixed column 12, the fixed column 12 plays a role of limiting the H-shaped block 17, the support plate 11 plays a role of fixed support for the fixed column 12, the H-shaped block 17 drives the connecting rod 18 to move and thus drives the clamping block 19 to quickly pick up and place the rotating column 20.

[0028] Working principle: When the device is needed, the first hydraulic press 3 inside the first fixed block 2 is started, and the U-shaped rod 4 is pushed by the first hydraulic press 3 to drive the fixed rod 5, and the fixed rod 5 drives the gear 6 to rotate on the tooth end of the first rack 7, and the gear 6 drives the second rack 8 to slide on the upper surface of the slide rail 9, and then the cleaning brush 10 is driven by the second rack 8 to clean the adsorption cylinder 21, and the second hydraulic press 14 inside the second fixed block 13 is started, and the U-shaped block 15 is pushed by the second hydraulic press 14 to drive the sliding rod 16, and the sliding rod 16 drives the H-shaped block 17 to rotate on the outer wall of the fixed column 12, and the H-shaped block 17 drives the connecting rod 18 and then drives the clamping block 19 to quickly take and put the rotating column 20. This device can not only regularly remove dust, paper scraps, ink and other impurities on the adsorption cylinder 21 to prevent the accumulation of these impurities and cause adverse effects, but also can quickly replace the rotating column 20 and the adsorption cylinder 21, thereby simplifying the maintenance process and reducing the difficulty of maintenance. In addition, the rotating column 20 and the adsorption cylinder 21 of different sizes can be replaced, which is suitable for various models and improves the accuracy of replacement.

[0029] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A vacuum adsorption device for a printing press bottom plate, comprising a base (1), characterized in that: The upper surface of the base (1) is fixedly connected to a first fixed block (2), the interior of the first fixed block (2) is fixedly connected to a first hydraulic press (3), the output end of the first hydraulic press (3) is fixedly connected to a U-shaped rod (4), the outer wall of the U-shaped rod (4) is fixedly connected to a fixed rod (5), the outer wall of the fixed rod (5) is rotatably connected to a gear (6), the tooth end of the gear (6) is meshedly connected to a first rack (7), the lower surface of the first rack (7) is fixedly connected to the upper surface of the base (1), the tooth end of the gear (6) is meshedly connected to a second rack (8), the lower surface of the second rack (8) is slidably connected to a slide rail (9), the lower surface of the slide rail (9) is fixedly connected to the upper surface of the base (1), the upper surface of the second rack (8) is fixedly connected to the upper surface of the base (1), the upper surface of the second rack (8) is fixedly connected to a cleaning brush (10), the outer wall of the cleaning brush (10) is provided with a vacuum adsorption component, and the vacuum adsorption component is used to stably and evenly adsorb paper.

2. The vacuum adsorption device for a printing press bottom plate according to claim 1, characterized in that: The vacuum adsorption assembly comprises an adsorption cylinder (21), the outer wall of the adsorption cylinder (21) is slidably connected to the outer wall of the cleaning brush (10), and the interior of the adsorption cylinder (21) is rotatably connected to a rotating column (20).

3. The vacuum adsorption device for a printing press bottom plate according to claim 1, characterized in that: A second fixed block (13) is fixedly connected to the upper surface of the base (1), a second hydraulic press (14) is fixedly connected inside the second fixed block (13), and a U-shaped block (15) is fixedly connected to the output end of the second hydraulic press (14).

4. The vacuum adsorption device for a printing press bottom plate according to claim 3, characterized in that: The interior of the U-shaped block (15) is slidably connected to a sliding rod (16), and the outer wall of the sliding rod (16) is fixedly connected to an H-shaped block (17).

5. The vacuum adsorption device for a printing press bottom plate according to claim 4, characterized in that: The interior of the H-shaped block (17) is rotatably connected to a fixed column (12), and the outer wall of the fixed column (12) is fixedly connected to a support plate (11).

6. The vacuum adsorption device for a printing press bottom plate according to claim 5, characterized in that: The lower surface of the support plate (11) is fixedly connected to the upper surface of the base (1), and a connecting rod (18) is fixedly connected inside the H-shaped block (17).

7. The vacuum adsorption device for a printing press bottom plate according to claim 6, characterized in that: The outer wall of the connecting rod (18) is rotatably connected to a clamping block (19).

8. The vacuum adsorption device for a printing press bottom plate according to claim 7, characterized in that: The outer wall of the clamping block (19) is slidably connected to the outer wall of the rotating column (20).

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