Ultraviolet quick-drying structure for printing machine

Abstract

The ultraviolet quick-drying structure comprises a working table, a base is fixedly installed at the bottom of the working table, moving wheels are arranged on the two sides of the bottom of the base, an equipment box is fixedly installed at the top of the working table, and a movable box is arranged on the inner side of the equipment box. The small fan is used for blowing air into the vertical groove and the transverse groove through the air inlet cylinder, then the air is guided into the movable box through the corrugated pipe and the communicating groove and finally blown to printed matter from the bottom of the movable box, when the printed matter is dried by the ultraviolet lamp, moisture of the printed matter can be evaporated due to heating, and the moisture is blown away by airflow, so that the printed matter is dried. And meanwhile, the problems that when the printed matter is subjected to ultraviolet drying, due to the fact that the temperature of the printed matter is rapidly increased due to ultraviolet absorption, a large amount of water vapor can be generated, and when the water vapor is left in the equipment box for a long time, the drying effect of the ultraviolet on the printed matter can be affected are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of printing machines, in particular to an ultraviolet quick-drying structure for printing machines. Background Art

[0002] An offset printing press is a type of lithographic printing press. When printing, the printed image is first printed from the printing plate onto a rubber cylinder, and then transferred to the paper by the rubber cylinder. Offset printing presses can be divided into sheet-fed offset printing presses and web offset printing presses according to the different paper feeding methods; they can be divided into single-color, two-color, four-color and multi-color printing presses according to the number of printing colors completed in one paper feed.

[0003] A Chinese patent application No. 202123296159.7 discloses a UV quick-drying system for a printing press, and the key points of its technical solution are: comprising a workbench, a device box is fixedly installed on the top of the workbench, a fixed block is fixedly installed inside the device box, a bidirectional threaded rod is rotatably connected inside the fixed block, one end of the bidirectional threaded rod is connected to a driving mechanism, the end of the bidirectional threaded rod away from the driving mechanism is rotatably connected to the device box, both sides of the bidirectional threaded rod are threadedly connected to threaded blocks, and one side of the threaded block is movably connected to a movable rod. When the present application needs to adjust the distance between the ultraviolet lamp and the printed matter, the movement of the movable plate can be controlled by the driving mechanism, and the ultraviolet lamp can be driven to move while the movable plate moves, thereby adjusting the distance between the ultraviolet lamp and the printed matter.

[0004] With respect to the above-mentioned and existing related technologies, the inventors believe that the following defects often exist: when the printed matter is dried by ultraviolet light, the printed matter absorbs ultraviolet light and its own temperature rises rapidly, which will produce a large amount of water vapor. When the water vapor remains in the equipment box for a long time, it will affect the drying effect of ultraviolet light on the printed matter. Therefore, in view of the above-mentioned problem, a UV quick-drying structure for a printing machine is proposed. Utility Model Content

[0005] The utility model aims to provide an ultraviolet quick-drying structure for a printing machine, which has the advantage of improving the drying effect of ultraviolet lamps on printed materials, and solves the problem that when ultraviolet drying is performed on printed materials, the printed materials absorb ultraviolet rays, their own temperature rises rapidly, and a large amount of water vapor is generated. When the water vapor remains in the equipment box for a long time, it will affect the drying effect of ultraviolet rays on the printed materials.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an ultraviolet quick-drying structure for a printing machine, comprising a workbench, a base is fixedly installed at the bottom of the workbench, movable wheels are arranged on both sides of the bottom of the base, an equipment box is fixedly installed on the top of the workbench, a movable box is arranged on the inner side of the equipment box, a connecting groove is opened on the top of the movable box, a bellows is fixedly installed on the top of the movable box, an ultraviolet lamp is fixedly installed inside the movable box, vertical grooves are opened on both sides of the top of the equipment box, a horizontal groove is opened on the top of the inner cavity of the equipment box, and the horizontal groove is opened on the top of the inner cavity of the equipment box. The top of the groove is connected with the vertical groove, the top of the bellows is connected with the horizontal groove, connecting vertical rods are fixedly installed on both sides of the top of the movable box, the top of the connecting vertical rods passes through the top of the equipment box and extends to the top of the equipment box, a horizontal plate is fixedly installed on the top of the equipment box, a driving screw is connected to the top bearing of the equipment box, the top of the driving screw passes through the horizontal plate and is threadedly connected to the horizontal plate, a hand wheel is fixedly installed on the top of the driving screw, and air intake cylinders are fixedly installed on both sides of the top of the equipment box, the bottom of the air intake cylinder is connected with the vertical groove, and a small fan is arranged inside the air intake cylinder.

[0007] The effects achieved by the above components are: by setting a driving screw to drive the horizontal plate to move up and down, the horizontal plate drives the connecting vertical rod to move up and down, and the connecting vertical rod drives the movable box and the ultraviolet lamp to move up and down, so as to facilitate the height adjustment of the ultraviolet lamp and adjust the distance between the ultraviolet lamp and the printed matter, so as to facilitate the effective drying of different types of printed matters, thereby improving the drying effect of the printed matters, and by setting a small fan to blow air into the interior of the vertical groove and the horizontal groove through the air inlet pipe, and then introduce it into the interior of the movable box through the bellows and the connecting groove, and finally blow it to the printed matter from the bottom of the movable box. When the ultraviolet lamp dries the printed matter, the printed matter will evaporate moisture due to the heat, and the airflow will blow the moisture away, thereby improving the drying effect of the ultraviolet lamp on the printed matter.

[0008] Preferably, both sides of the inner cavity of the equipment box are provided with limiting grooves, and both sides of the movable box are fixedly installed with limiting blocks, and the limiting blocks are located inside the limiting grooves.

[0009] The effect achieved by the above components is: by setting the limit groove and the limit block to cooperate with each other to limit the movable box, the stability of the movable box when moving up and down is improved, and the ultraviolet lamp is further prevented from moving and offset, avoiding affecting the drying effect of the printed matter.

[0010] Preferably, a stopper is fixedly mounted on the surface of the driving screw, and the horizontal height of the stopper is located at the top of the air intake cylinder.

[0011] The effect achieved by the above components is: by setting a stopper to block and limit the horizontal plate, it is prevented that the horizontal plate collides and squeezes the top of the air intake pipe when moving downward, thereby preventing damage to the dustproof net.

[0012] Preferably, a dustproof net is provided on the top of the air inlet cylinder, and the dustproof net is located above the small fan.

[0013] The effect achieved by the above components is: by setting a dustproof net to filter the air entering the air inlet cylinder, dust in the air is prevented from entering the air inlet cylinder, thereby avoiding dust from affecting the drying effect of printed matter.

[0014] Preferably, insulation boards are fixedly mounted on the front and back of the equipment box, and a limiting opening is provided in the middle of the bottom of the insulation board.

[0015] The effects achieved by the above components are: by setting up an insulation board to seal the interior of the equipment box, heat overflow from the interior of the equipment box can be avoided as much as possible, the drying effect of the printed matter can be improved, and the printed matter can be positioned and transported under the action of the limit opening so that the printed matter is located in the middle of the equipment box.

[0016] Preferably, two limiting slide grooves are provided on the relatively distant side of the insulation board, and the limiting slide grooves are respectively located on both sides of the limiting opening. A movable door is provided on one side of the insulation board, and a limiting slider is fixedly installed on the side of the movable door close to the insulation board. The limiting slider is clamped in the interior of the limiting slide groove and is slidably connected to the limiting slide groove.

[0017] The effect achieved by the above components is: by setting the limit slide groove and the limit slider to cooperate with each other to limit the sliding of the moving door, the stability of the moving door when moving is improved, and at the same time, the width of the limit opening can be controlled when the moving door moves, thereby limiting the transportation of printed materials of different sizes, so that when the printed materials enter the inside of the equipment box, they are exactly located in the middle of the bottom of the movable box, thereby improving the drying effect of the printed materials.

[0018] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0019] The utility model provides a driving screw rod for driving the horizontal plate to move up and down, and then the horizontal plate drives the connecting vertical rod to move up and down, and the connecting vertical rod drives the movable box and the ultraviolet lamp to move up and down, so as to facilitate the height adjustment of the ultraviolet lamp, adjust the distance between the ultraviolet lamp and the printed matter, and facilitate the effective drying of different types of printed matter, thereby improving the drying effect of the printed matter, and providing a small fan for blowing air into the interior of the vertical groove and the horizontal groove through the air inlet tube, and then introducing the air into the interior of the movable box through the bellows and the connecting groove, and finally blowing the air to the printed matter from the bottom of the movable box. When the ultraviolet lamp dries the printed matter, the printed matter will evaporate moisture due to the heat, and the airflow will blow the moisture away, thereby improving the drying effect of the ultraviolet lamp on the printed matter, and at the same time solves the above-mentioned problem that when the printed matter is subjected to ultraviolet drying, the printed matter absorbs ultraviolet rays, its own temperature rises rapidly, and a large amount of water vapor will be generated. When the water vapor remains in the equipment box for a long time, it will affect the drying effect of the ultraviolet light on the printed matter. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a three-dimensional diagram of the structure of the utility model;

[0021] Figure 2 This is a schematic diagram of the internal structure of the equipment box of the utility model;

[0022] Figure 3 This is a schematic diagram of the internal structure of the activity box of the utility model;

[0023] Figure 4 This is a schematic diagram of the structure of the air inlet cylinder, small fan and dustproof net of the utility model;

[0024] Figure 5 This is a schematic diagram of the cross-sectional structure of the equipment box of the utility model;

[0025] Figure 6 This is a schematic diagram of the structure of the insulation board of the utility model;

[0026] Figure 7 This is a schematic diagram of the structure of the movable door of the utility model.

[0027] In the figure: 1. workbench; 2. base; 3. moving wheel; 4. equipment box; 5. movable box; 6. bellows; 7. ultraviolet lamp; 8. connecting vertical rod; 9. horizontal plate; 10. driving screw; 11. block; 12. vertical slot; 13. horizontal slot; 14. connecting slot; 15. air inlet pipe; 16. small fan; 17. dustproof net; 18. limit slot; 19. limit block; 20. insulation board; 21. limit opening; 22. limit slide slot; 23. movable door; 24. limit slide block. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] See also Figure 1-7 A UV quick-drying structure for a printing machine comprises a workbench 1, a base 2 is fixedly installed at the bottom of the workbench 1, moving wheels 3 are arranged on both sides of the bottom of the base 2, an equipment box 4 is fixedly installed on the top of the workbench 1, a movable box 5 is arranged inside the equipment box 4, a connecting groove 14 is opened on the top of the movable box 5, a bellows 6 is fixedly installed on the top of the movable box 5, an ultraviolet lamp 7 is fixedly installed inside the movable box 5, vertical grooves 12 are opened on both sides of the top of the equipment box 4, a transverse groove 13 is opened on the top of the inner cavity of the equipment box 4, the top of the transverse groove 13 is connected with the vertical groove 12, and the bellows The top of 6 is connected with the transverse groove 13, and connecting vertical rods 8 are fixedly installed on both sides of the top of the movable box 5. The top of the connecting vertical rod 8 passes through the top of the equipment box 4 and extends to the top of the equipment box 4. A transverse plate 9 is fixedly installed on the top of the equipment box 4. A driving screw 10 is connected to the top bearing of the equipment box 4. The top of the driving screw 10 passes through the transverse plate 9 and is threadedly connected to the transverse plate 9. A hand wheel is fixedly installed on the top of the driving screw 10. Air intake cylinders 15 are fixedly installed on both sides of the top of the equipment box 4. The bottom of the air intake cylinder 15 is connected with the vertical groove 12, and a small fan 16 is arranged inside the air intake cylinder 15.

[0030] Specifically, limiting grooves 18 are provided on both sides of the inner cavity of the equipment box 4 , and limiting blocks 19 are fixedly installed on both sides of the movable box 5 , and the limiting blocks 19 are located inside the limiting grooves 18 .

[0031] The limiting groove 18 and the limiting block 19 cooperate with each other to limit the movable box 5, thereby improving the stability of the movable box 5 when it moves up and down, and further preventing the ultraviolet lamp 7 from moving and deviating, thereby avoiding affecting the drying effect of the printed matter.

[0032] Specifically, a stopper 11 is fixedly mounted on the surface of the driving screw 10 , and the level of the stopper 11 is located at the top of the air inlet cylinder 15 .

[0033] The stopper 11 is used to block and limit the transverse plate 9 to prevent the transverse plate 9 from colliding and squeezing the top of the air inlet cylinder 15 when moving downward, thereby preventing the dustproof net 17 from being damaged.

[0034] Specifically, a dustproof net 17 is provided on the top of the air inlet cylinder 15 , and the dustproof net 17 is located above the small fan 16 .

[0035] The dustproof net 17 is used to filter the air entering the air inlet cylinder 15 to prevent dust in the air from entering the air inlet cylinder 15, thereby preventing the dust from affecting the drying effect of the printed matter.

[0036] Specifically, the front and back sides of the equipment box 4 are both fixedly mounted with insulation plates 20 , and a limiting opening 21 is provided in the middle of the bottom of the insulation plate 20 .

[0037] The insulation board 20 is used to seal the interior of the equipment box 4 to avoid heat overflow from the equipment box 4 as much as possible, improve the drying effect of the printed matter, and is used to position and transport the printed matter under the action of the limit opening 21 so that the printed matter is located in the middle of the equipment box 4.

[0038] Specifically, two limit slide grooves 22 are provided on the relatively distant side of the insulation board 20, and the limit slide grooves 22 are respectively located on both sides of the limit opening 21. A movable door 23 is provided on one side of the insulation board 20, and a limit slider 24 is fixedly installed on the side of the movable door 23 close to the insulation board 20. The limit slider 24 is clamped in the interior of the limit slide groove 22 and is slidably connected with the limit slide groove 22.

[0039] The limiting slide groove 22 and the limiting slider 24 cooperate with each other to limit the sliding of the movable door 23, thereby improving the stability of the movable door 23 when moving. At the same time, the width of the limiting opening 21 can be controlled when the movable door 23 moves, thereby limiting the conveyance of printed materials of different sizes, so that when the printed materials enter the inner side of the equipment box 4, they are located in the middle below the movable box 5, thereby improving the drying effect of the printed materials.

[0040] During use, the distance between the ultraviolet lamp 7 and the printed matter is adjusted according to the heat resistance of the printed matter to ensure the drying effect of the printed matter. When the distance between the ultraviolet lamp 7 and the printed matter needs to be adjusted, firstly, the driving screw 10 is rotated by the hand wheel, and the driving screw 10 drives the horizontal plate 9 to move up and down, and then the horizontal plate 9 drives the connecting vertical rod 8 to move up and down, and the connecting vertical rod 8 drives the movable box 5 and the ultraviolet lamp 7 to move up and down, and the use height of the ultraviolet lamp 7 is adjusted to achieve the adjustment of the distance between the ultraviolet lamp 7 and the printed matter. When the movable box 5 moves up and down, the bellows 6 will be appropriately extended and contracted. When the printed matter is dried, the small fan 16 is started, and under the action of the small fan 16, the external air is introduced into the interior of the vertical groove 12 and the horizontal groove 13 through the air inlet cylinder 15, and then introduced into the interior of the movable box 5 through the bellows 6 and the connecting groove 14, so that the air is blown from the bottom of the movable box 5 to the printed matter and the evaporated moisture of the printed matter is blown away.

[0041] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A UV quick-drying structure for a printing press, comprising a workbench (1), characterized in that: A base (2) is fixedly mounted at the bottom of the workbench (1), and movable wheels (3) are arranged on both sides of the bottom of the base (2). An equipment box (4) is fixedly mounted on the top of the workbench (1), and a movable box (5) is arranged inside the equipment box (4). A connecting groove (14) is provided on the top of the movable box (5), and a bellows (6) is fixedly mounted on the top of the movable box (5). An ultraviolet lamp (7) is fixedly mounted inside the movable box (5). Vertical grooves (12) are provided on both sides of the top of the equipment box (4), and a transverse groove (13) is provided on the top of the inner cavity of the equipment box (4). The top of the transverse groove (13) is connected to the vertical groove (12), and the top of the bellows (6) is connected to the transverse groove (14). 3), connecting vertical rods (8) are fixedly installed on both sides of the top of the movable box (5), the top of the connecting vertical rod (8) passes through the top of the equipment box (4) and extends to the top of the equipment box (4), a horizontal plate (9) is fixedly installed on the top of the equipment box (4), a driving screw (10) is connected to the top bearing of the equipment box (4), the top of the driving screw (10) passes through the horizontal plate (9) and is threadedly connected to the horizontal plate (9), a hand wheel is fixedly installed on the top of the driving screw (10), an air intake cylinder (15) is fixedly installed on both sides of the top of the equipment box (4), the bottom of the air intake cylinder (15) is connected to the vertical groove (12), and a small fan (16) is arranged inside the air intake cylinder (15).

2. The ultraviolet quick-drying structure for a printing press according to claim 1, characterized in that: Limiting grooves (18) are provided on both sides of the inner cavity of the equipment box (4), and limiting blocks (19) are fixedly installed on both sides of the movable box (5), and the limiting blocks (19) are located inside the limiting grooves (18).

3. The ultraviolet quick-drying structure for a printing press according to claim 1, characterized in that: A stopper (11) is fixedly mounted on the surface of the driving screw rod (10), and the level of the stopper (11) is located at the top of the air inlet cylinder (15).

4. The ultraviolet quick-drying structure for a printing press according to claim 1, characterized in that: A dustproof net (17) is provided on the top of the air inlet cylinder (15), and the dustproof net (17) is located above the small fan (16).

5. The ultraviolet quick-drying structure for a printing press according to claim 1, characterized in that: A heat preservation plate (20) is fixedly mounted on the front and back of the equipment box (4), and a limiting opening (21) is provided in the middle of the bottom of the heat preservation plate (20).

6. The ultraviolet quick-drying structure for a printing press according to claim 5, characterized in that: Two limiting slide grooves (22) are provided on the relatively distant side of the insulation board (20), and the limiting slide grooves (22) are respectively located on both sides of the limiting opening (21). A movable door (23) is provided on one side of the insulation board (20), and a limiting slider (24) is fixedly installed on the side of the movable door (23) close to the insulation board (20), and the limiting slider (24) is clamped in the interior of the limiting slide groove (22) and is slidably connected to the limiting slide groove (22).

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