Bill rotary press dampening device capable of covering multiple ranges

Abstract

The utility model discloses a multi-range coverage type dampening device of a bill rotary press, which comprises a dampening solution storage box, a bottom frame, a connecting plate and a water pump, and the bottom end of the dampening solution storage box is connected with the bottom frame. The servo motor drives the main shaft to rotate and drives the upper-tooth semi-fluted disc to rotate, the linkage belt is matched to enable the driven shaft to rotate, the lower-tooth semi-fluted disc is further driven to rotate, the upper-tooth semi-fluted disc and the lower-tooth semi-fluted disc rotate to be meshed with the tooth block, then the movable frame reciprocates left and right, and the movable block moves synchronously. The movable block slides on the guide column, the guide column is used for limiting and guiding movement of the movable block and the movable frame, then the supporting plate, the supporting block and the liquid spraying pipe are driven to do left-right reciprocating motion, the spraying head can move synchronously, the spraying range of fountain solution sprayed by the spraying head can be adjusted conveniently, and comprehensiveness and high efficiency of printing plate fountain of the bill rotary press are guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of printing machines, in particular to a dampening device for a bill rotary printing machine which can cover multiple ranges. Background Art

[0002] Rotary printing press is a kind of printing equipment. Due to its high efficiency and high-speed printing characteristics, it is widely used in large-volume printing fields such as newspapers, magazines, brochures, and advertising leaflets. According to its printing method, it can be divided into different types such as letterpress, gravure, lithography, and flexography. In the printing process of bill rotary printing press, the use of fountain solution is an indispensable link. It plays a vital role in ensuring printing quality and extending the life of the machine.

[0003] In a rotary printing press spray dampening device with publication number CN203680979U, a water roller is arranged below the printing press, a water spray rod is arranged below the water roller, 4-8 solenoid valves are evenly arranged on the water spray rod, a nozzle is arranged on the upper end of the solenoid valve, several water spray rods are connected to the pressure regulating device through a water pipeline, the pressure regulating device is connected to one end of the high-pressure water pump, the suction end of the high-pressure water pump is inserted into a refrigeration water tank, a printing press speed detection device is arranged at the rear end of the printing press, the printing press speed detection device is connected to the control card, the main console is connected to the water spray rod via the control card, and a wireless transmission device is arranged on one side of the control card. When the system is working, the high-pressure water pump draws out the cooling water with good proportion in the water tank, pressurizes it and stabilizes it through the pressure regulating device, and sends it to the water spray rod. The computer precisely controls the opening and closing of multiple solenoid valves through the control card, so that the solenoid valves in different areas correspond to their respective areas, and the nozzle is used to control the spray angle and fan-shaped area to achieve accurate coverage of water at different layout positions. During the printing process, the computer and wireless data transmission technology are used to accurately control the opening and closing of each solenoid valve to obtain the required amount of dampening water.

[0004] When the above-mentioned prior art is in use, a plurality of nozzles are arranged on a water spray rod to spray water on the printing plate of the rotary printing press for moistening the plate. However, the spraying position of the nozzle is fixed and inconvenient to adjust, resulting in that the actual spraying range is inconvenient to adjust, which makes the moistening of the plate have certain limitations. In addition, there are still gaps between the plurality of nozzles, which results in that some positions of the printing plate of the printing press cannot be well soaked, and the moistening of the plate is not comprehensive. The moistening effect needs to be improved, and therefore corresponding improvements are required. Utility Model Content

[0005] The utility model aims to provide a bill rotary printing press dampening device capable of covering multiple ranges, so as to solve the problem that the dampening spraying range of the existing bill rotary printing press dampening device proposed in the above background technology is inconvenient to adjust during use, resulting in a limited dampening coverage range.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a dampening device for a bill rotary printing press capable of covering multiple ranges, comprising a dampening liquid storage box, a base frame, a connecting plate, and a water pump, wherein the bottom end of the dampening liquid storage box is connected to the base frame, and one side of the base frame is fixedly connected to a connecting plate for supporting the water pump, and the water pump is placed on the top of the connecting plate;

[0007] A water pump is connected to one side of the water pump, and one end of the water pump extends to the inside of the fountain solution storage box, and the top of the water pump is connected to a delivery pipe, and one side of the delivery pipe is connected to a telescopic pipe;

[0008] Also includes:

[0009] A synchronous operation mechanism is provided on one side of the fountain solution storage box, and a reciprocating mechanism is provided inside the fountain solution storage box at one end of the synchronous operation mechanism, a fountain spray assembly is provided at the top of the fountain solution storage box, the bottom end of the fountain spray assembly is connected to a support block, and the bottom end of the support block is connected to a support plate, and connecting rods are connected to both sides of the bottom end of the support plate.

[0010] When using a bill rotary printing press dampening device that can cover multiple ranges according to the technical solution, the spraying range and position of the dampening liquid can be adjusted by utilizing the setting of the synchronous operation mechanism, and the sleeve and multiple groups of stirring leaves can be rotated synchronously to achieve synchronous stirring of the dampening liquid, thereby preventing the dampening liquid from precipitating and affecting the dampening effect and quality.

[0011] Preferably, the dampening spray assembly includes a liquid spray pipe connected to one end of the telescopic tube, and nozzles are evenly arranged at the top of the liquid spray pipe, both ends of the liquid spray pipe are sleeved with sleeve blocks, and movable grooves are arranged on both sides of the sleeve block, and threaded holes are arranged inside the movable grooves, and a shielding assembly is arranged at the top of the liquid spray pipe.

[0012] Preferably, the shielding assembly includes a mounting frame that is sleeved on the outside of the sleeve block, and the cross-section of the mounting frame is U-shaped, auxiliary blocks are connected to both sides of the inside of the mounting frame, a fixing screw is connected to one side of the mounting frame, and one end of the fixing screw extends to the threaded hole in the movable groove, and a filter is connected between the mounting frames.

[0013] Preferably, the width of the auxiliary block matches the width of the movable groove, the auxiliary block slides inside the movable groove, and the mounting frame and the sleeve block form a sliding connection.

[0014] Preferably, the synchronous operation mechanism includes a bracket, and the bracket is fixedly connected to one side of the fountain solution storage box, a servo motor is connected to one side of the bracket, and one end of the servo motor is connected to a main shaft, a driven shaft is connected to one side of the fountain solution storage box on one side of the main shaft, and a linkage shaft is connected to one side of the fountain solution storage box below the driven shaft, and a linkage belt is connected between the main shaft, the driven shaft and the linkage shaft.

[0015] Preferably, the reciprocating mechanism includes a moving frame, and the moving frame is arranged inside the fountain solution storage box, both sides of the moving frame are evenly connected with tooth blocks, one side of the moving frame is meshedly connected with an upper tooth half-toothed disk, and the other side of the moving frame is meshedly connected with a lower tooth half-toothed disk, both sides of the bottom end of the moving frame are connected with movable blocks, and guide columns penetrate the interior of the movable blocks.

[0016] Preferably, one end of the main shaft and the driven shaft extend to the interior of the fountain solution storage box, and one end of the main shaft and the driven shaft pass through the upper gear half-toothed disc and the lower gear half-toothed disc respectively. One end of the linkage shaft extends to the interior of the fountain solution storage box and is connected to a sleeve, and the outside of the sleeve is evenly connected to a stirring paddle.

[0017] Compared with the prior art, the utility model has the following beneficial effects: the multi-range-covering bill rotary printing machine dampening device can not only perform multi-range coverage dampening to enhance the dampening effect, but also can synchronously stir the dampening liquid in the process to prevent the dampening liquid from precipitating, and can protect the dampening spray nozzle, with good anti-blocking effect;

[0018] The servo motor drives the main shaft to rotate, drives the upper half-toothed disc to rotate, cooperates with the linkage belt to rotate the driven shaft, further drives the lower half-toothed disc to rotate, the upper half-toothed disc and the lower half-toothed disc rotate and mesh with the tooth block, and then makes the moving frame reciprocate left and right, and makes the movable block move synchronously, the movable block slides on the guide column, uses the guide column as the movement limit guide of the movable block and the moving frame, and then drives the support plate, support block, and spray pipe to reciprocate left and right, so that the nozzle can move synchronously, so as to adjust the spraying range of the dampening liquid sprayed by the nozzle, so as to ensure the comprehensiveness and efficiency of the dampening of the printing plate of the bill rotary printing press;

[0019] During the rotation of the main shaft, the linkage belt makes the linkage shaft rotate synchronously, which can drive the sleeve and multiple groups of stirring leaves to rotate synchronously, so as to stir the fountain solution in the fountain solution storage box to ensure that the various components in the fountain solution are evenly distributed, prevent precipitation or stratification from causing uneven concentration of the fountain solution, and avoid affecting the poor fountain quality of the printing plate of the bill rotary printing machine in the later stage;

[0020] By sliding the auxiliary block in the movable groove, the mounting frame can be slidably connected to the outside of the sleeve block, and further screwing it into the threaded hole in the movable groove by using a fixed screw, the position of the mounting frame can be locked, and then the filter screen can be blocked on multiple groups of nozzles to prevent dust and other external impurities from dripping into the nozzles when the nozzles are used to spray the dampening solution, and the anti-blocking effect is good. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0022] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0023] Figure 2 It is a three-dimensional structural schematic diagram of the synchronous operation mechanism of the utility model;

[0024] Figure 3 It is a three-dimensional structural schematic diagram of the reciprocating mechanism of the utility model;

[0025] Figure 4 It is a three-dimensional cross-sectional structural diagram of the fountain solution storage box of the utility model;

[0026] Figure 5 It is a schematic diagram of the three-dimensional structure of the nozzle and shielding assembly of the utility model.

[0027] Explanation of the reference numerals in the figure: 1. fountain solution storage box; 2. synchronous operation mechanism; 201. bracket; 202. servo motor; 203. main shaft; 204. driven shaft; 205. linkage shaft; 206. linkage belt; 3. base frame; 301. connecting plate; 4. water pump; 401. suction pipe; 402. delivery pipe; 403. telescopic pipe; 5. support block; 6. support plate; 7. connecting rod; 8. reciprocating mechanism; 801. moving frame; 802. tooth block; 803. upper tooth half-tooth disc; 804. lower tooth half-tooth disc; 9. movable block; 10. guide column; 11. sleeve; 12. stirring blade; 13. sleeve block; 1301. movable groove; 14. mounting frame; 1401. auxiliary block; 1402. fixing screw; 15. spray pipe; 1501. nozzle; 16. filter screen. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiments. Based on the embodiment of 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-Figure 5 , the utility model provides the following technical solutions:

[0030] Embodiment 1: In order to solve the problem that the dampening device of the bill rotary printing machine in the prior art is inconvenient to adjust the spray range of the dampening liquid when in use, resulting in poor dampening effect of the device, the following technical solution is published, please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 , including a fountain solution storage box 1, a base frame 3, a connecting plate 301, and a water pump 4. The bottom end of the fountain solution storage box 1 is connected to the base frame 3, and one side of the base frame 3 is fixedly connected to a connecting plate 301 for supporting the water pump 4. The water pump 4 is placed on the top of the connecting plate 301;

[0031] A water pump 401 is connected to one side of the water pump 4, and one end of the water pump 401 extends to the inside of the fountain solution storage box 1, and a delivery pipe 402 is connected to the top of the water pump 401, and a telescopic pipe 403 is connected to one side of the delivery pipe 402;

[0032] Also includes:

[0033] A synchronous operation mechanism 2 is provided on one side of the fountain solution storage box 1, and the synchronous operation mechanism 2 includes a bracket 201, and the bracket 201 is fixedly connected to one side of the fountain solution storage box 1, a servo motor 202 is connected to one side of the bracket 201, and one end of the servo motor 202 is connected to a main shaft 203, a driven shaft 204 is connected to one side of the fountain solution storage box 1 on the main shaft 203 side, and a linkage shaft 205 is connected to one side of the fountain solution storage box 1 below the driven shaft 204, a linkage belt 206 is connected between the main shaft 203, the driven shaft 204 and the linkage shaft 205, and a reciprocating mechanism 8 is provided inside the fountain solution storage box 1 at one end of the synchronous operation mechanism 2, and the reciprocating mechanism 8 includes a moving frame 801, and the moving frame 801 is provided at Inside the fountain solution storage box 1, both sides of the moving frame 801 are evenly connected with tooth blocks 802, one side of the moving frame 801 is meshed with an upper toothed half-toothed disc 803, and the other side of the moving frame 801 is meshed with a lower toothed half-toothed disc 804, both sides of the bottom of the moving frame 801 are connected with movable blocks 9, and the inside of the movable blocks 9 is penetrated by guide columns 10, one end of the main shaft 203 and the driven shaft 204 are extended to the inside of the fountain solution storage box 1, one end of the main shaft 203 and the driven shaft 204 are respectively penetrated from the upper toothed half-toothed disc 803 and the lower toothed half-toothed disc 804, one end of the linkage shaft 205 is extended to the inside of the fountain solution storage box 1 and is connected with a sleeve 11, and the outer side of the sleeve 11 is evenly connected with a stirring paddle 12;

[0034] When the present embodiment is in use, the synchronous operation mechanism 2 is driven, that is, the servo motor 202 drives the main shaft 203 to rotate, and cooperates with the linkage belt 206 to rotate the driven shaft 204 and the linkage shaft 205, so as to further operate the reciprocating mechanism 8, and make the sleeve 11 and the plurality of stirring leaves 12 rotate synchronously, so that the spraying range can be adjusted and the dampening liquid can be stirred at the same time to prevent the dampening quality from being affected by precipitation, that is, the rotation of the main shaft 203 and the driven shaft 204 will drive the upper half-toothed disc 803 and the lower half-toothed disc 804 to rotate, and the upper half-toothed disc 803, the lower half-toothed disc 804 and the tooth block 802 in the moving frame 801 are intermittently engaged, so as to realize the left and right movement of the moving frame 801, so as to drive the support plate 6, the support block 5 and the liquid spraying pipe 15 to move synchronously, so as to adjust the spraying range of the dampening plate, so as to ensure the comprehensiveness and efficiency of the spraying on the printing plate, so as to enhance the dampening effect.

[0035] Embodiment 2: This embodiment is different from the embodiment 1. By using the setting of the shielding component, the spraying component can be shielded to achieve a better protection effect and avoid the blockage of the nozzle 1501 during the spraying and dampening process. Therefore, the following technical solution is published. For details, please refer to Figure 1 , Figure 5A dampening spray assembly is arranged at the top of the dampening liquid storage box 1, and the dampening spray assembly includes a liquid spray pipe 15 connected to one end of the telescopic tube 403, and a nozzle 1501 is evenly arranged at the top of the liquid spray pipe 15, and both ends of the liquid spray pipe 15 are sleeved with a sleeve block 13, and both sides of the sleeve block 13 are provided with a movable groove 1301, and the inside of the movable groove 1301 is provided with a threaded hole, and a shielding assembly is arranged at the top of the liquid spray pipe 15, and the shielding assembly includes a mounting frame 14 sleeved on the outside of the sleeve block 13, and the cross section of the mounting frame 14 is U-shaped, and both sides of the inside of the mounting frame 14 are connected There is an auxiliary block 1401, one side of the mounting frame 14 is connected with a fixed screw 1402, and one end of the fixed screw 1402 extends to the threaded hole in the movable groove 1301, a filter screen 16 is connected between the mounting frames 14, the width of the auxiliary block 1401 matches the groove width of the movable groove 1301, the auxiliary block 1401 slides inside the movable groove 1301, the mounting frame 14 and the sleeve block 13 form a sliding connection, the bottom end of the dampening spray assembly is connected with a support block 5, and the bottom end of the support block 5 is connected with a support plate 6, and both sides of the bottom end of the support plate 6 are connected with connecting rods 7;

[0036] When this embodiment is in use, the auxiliary block 1401 slides in the movable groove 1301, and cooperates with the locking of the fixed screw 1402 to achieve convenient installation and disassembly of the mounting frame 14 and the filter screen 16, so that the filter screen 16 can be used to shield multiple groups of nozzles 1501 later, to prevent the dripping dampening liquid on the printing plate from falling and being contaminated and affecting the use of the nozzle 1501, to prevent the nozzle 1501 from being blocked, so as to ensure the high efficiency of the dampening liquid spraying of the nozzle 1501.

[0037] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0038] The device embodiments described above are merely illustrative, wherein the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the scheme of this embodiment. Ordinary technicians in this field can understand and implement it without paying creative labor.

[0039] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model.

Claims

1. A dampening device for a bill rotary printing press capable of covering multiple ranges, comprising a dampening liquid storage box (1), a base frame (3), a connecting plate (301), and a water pump (4), wherein the bottom end of the dampening liquid storage box (1) is connected to the base frame (3), and one side of the base frame (3) is fixedly connected to the connecting plate (301) for supporting the water pump (4), and the water pump (4) is placed on the top of the connecting plate (301); A water pump (401) is connected to one side of the water pump (4), and one end of the water pump (401) extends into the interior of the fountain solution storage box (1); a top end of the water pump (401) is connected to a delivery pipe (402), and one side of the delivery pipe (402) is connected to a telescopic pipe (403); It is characterized in that Also includes: A synchronous operation mechanism (2) is provided on one side of the fountain solution storage box (1), and a reciprocating mechanism (8) is provided inside the fountain solution storage box (1) at one end of the synchronous operation mechanism (2). A fountain spray assembly is provided at the top of the fountain solution storage box (1), the bottom end of the fountain spray assembly is connected to a support block (5), and the bottom end of the support block (5) is connected to a support plate (6), and both sides of the bottom end of the support plate (6) are connected to connecting rods (7).

2. The dampening device for a bill rotary printing press capable of covering multiple ranges according to claim 1, characterized in that: The dampening spray assembly comprises a liquid spray pipe (15) connected to one end of a telescopic pipe (403), and nozzles (1501) are evenly arranged at the top end of the liquid spray pipe (15), sleeve blocks (13) are sleeved at both ends of the liquid spray pipe (15), and movable grooves (1301) are arranged on both sides of the sleeve block (13), and threaded holes are arranged inside the movable grooves (1301), and a shielding assembly is arranged at the top end of the liquid spray pipe (15).

3. The dampening device for a bill rotary printing press capable of covering multiple ranges according to claim 2, characterized in that: The shielding assembly comprises a mounting frame (14) sleeved on the outside of the sleeve block (13), and the cross-section of the mounting frame (14) is U-shaped, the inside of the mounting frame (14) is connected to auxiliary blocks (1401) on both sides, one side of the mounting frame (14) is connected to a fixing screw (1402), and one end of the fixing screw (1402) extends to a threaded hole in the movable groove (1301), and a filter screen (16) is connected between the mounting frames (14).

4. The dampening device for a bill rotary printing press capable of covering multiple ranges according to claim 3, characterized in that: The width of the auxiliary block (1401) matches the width of the movable groove (1301), the auxiliary block (1401) slides inside the movable groove (1301), and the mounting frame (14) and the sleeve block (13) form a sliding connection.

5. The dampening device for a bill rotary printing press capable of covering multiple ranges according to claim 1, characterized in that: The synchronous operation mechanism (2) comprises a bracket (201), and the bracket (201) is fixedly connected to one side of a fountain solution storage box (1); one side of the bracket (201) is connected to a servo motor (202), and one end of the servo motor (202) is connected to a main shaft (203); one side of the fountain solution storage box (1) on one side of the main shaft (203) is connected to a driven shaft (204), and one side of the fountain solution storage box (1) below the driven shaft (204) is connected to a linkage shaft (205); and a linkage belt (206) is connected between the main shaft (203), the driven shaft (204) and the linkage shaft (205).

6. The dampening device for a bill rotary printing press capable of covering multiple ranges according to claim 1, characterized in that: The reciprocating mechanism (8) comprises a moving frame (801), and the moving frame (801) is arranged inside the fountain solution storage box (1), both sides of the moving frame (801) are evenly connected with tooth blocks (802), one side of the moving frame (801) is meshedly connected with an upper toothed half toothed disc (803), and the other side of the moving frame (801) is meshedly connected with a lower toothed half toothed disc (804), both sides of the bottom end of the moving frame (801) are connected with movable blocks (9), and guide pillars (10) are passed through the inside of the movable blocks (9).

7. The dampening device for a bill rotary printing press capable of covering multiple ranges according to claim 5, characterized in that: One end of the main shaft (203) and the driven shaft (204) both extend into the interior of the fountain solution storage box (1), and one end of the main shaft (203) and the driven shaft (204) respectively penetrate through the upper toothed half-toothed disc (803) and the lower toothed half-toothed disc (804), and one end of the linkage shaft (205) extends into the interior of the fountain solution storage box (1) and is connected to a sleeve (11), and the outer side of the sleeve (11) is evenly connected to a stirring blade (12).

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