Corrugated paper printing dampening device

Abstract

The utility model provides a corrugated paper printing dampening device which comprises a liquid storage box, a dampening roller, a first motor, a sponge sleeve, an extrusion mechanism and a spraying mechanism, the dampening roller is rotationally installed at the upper end of the liquid storage box, and one end of the dampening roller is fixed to the output end of the first motor; a sponge sleeve is fixed to the outer side face of the dampening cylinder, and the outer side face of the sponge sleeve and a printing cylinder of the corrugated paper printing machine extrude each other. An extrusion mechanism is fixed in the liquid storage tank, and the output end of the extrusion mechanism is arranged on the lower side of the sponge sleeve; and a spraying mechanism is fixed in the liquid storage tank, the output end of the spraying mechanism is fixed to the extrusion mechanism, and the output end of the spraying mechanism faces the side face, away from the printing roller, of the sponge sleeve. Through the arrangement of the dampening device, uniform dampening can be carried out on the printing cylinder, and redundant dampening liquid can be filtered and refluxed.

Description

TECHNICAL FIELD

[0001] The utility model belongs to printing equipment technical field, especially relate to corrugated paper printing dampening device. BACKGROUND

[0002] In the corrugated paper printing process, dampening is an indispensable key link. Its core purpose is to lay a uniform water film on the printing plate surface, like putting a protective clothing on the printing plate, effectively preventing ink from staining non-text area, so as to ensure the printing quality. And the dampening device as the core equipment to realize this key step, its performance directly determines the final printing effect and efficiency.

[0003] At present, the common corrugated paper printing dampening device on the market, the structure design is relatively simple. Generally by liquid storage container is matched with the sponge or similar water absorbing material immersed in dampening solution. When working, the water absorbing material is directly contacted with the printing cylinder, and the dampening solution is transferred to the printing cylinder by the friction between them. Although this simple structure is convenient to operate, but there are many obvious defects:

[0004] Firstly, the existing corrugated paper printing dampening device lacks dampening solution distribution and adjustment mechanism, and cannot guarantee that the dampening solution on the sponge is evenly transferred to the printing cylinder, which will seriously affect the dampening quality, cause the corrugated paper printed subsequently to have uneven ink color, poor text clarity and other problems, greatly reduce the quality of printed products:

[0005] Secondly, in the dampening process of the existing corrugated paper printing dampening device, the excess dampening solution often directly drips, without a supporting recycling and filtering reuse system. This not only causes significant increase in material cost, but also violates the current green development concept.

[0006] Therefore, it is very necessary to invent corrugated paper printing dampening device. CONTENT OF THE UTILITY MODEL

[0007] In view of the above problems, the utility model provides corrugated paper printing dampening device, the technical scheme used

[0008] The corrugated paper printing dampening device, which comprises a liquid storage tank, a dampening roller, a first motor, a sponge sleeve, a squeezing mechanism and a spraying mechanism, the upper end of the liquid storage tank is rotatably installed with the dampening roller through a support bearing, one end of the dampening roller is fixed with the output end of the first motor, the base of the first motor is fixed with the liquid storage tank through bolts, the outer side of the dampening roller is fixed with the sponge sleeve, the outer side of the sponge sleeve is squeezed with the printing roller of the corrugated paper printing machine, the inside of the liquid storage tank is fixed with the squeezing mechanism, the output end of the squeezing mechanism is arranged at the lower side of the sponge sleeve, the inside of the liquid storage tank is fixed with the spraying mechanism, the output end of the spraying mechanism is fixed with the squeezing mechanism, and the output end of the spraying mechanism is directed to the side of the sponge sleeve away from the printing roller.

[0009] Further, the squeezing mechanism comprises a frame, a filter screen, squeezing shafts, a second motor and a pneumatic cylinder, the frame is slidably installed in the inside of the liquid storage tank, and the inside of the frame is fixed with the filter screen, the frame is arranged at the lower side of the dampening roller, and the two sides of the frame are fixed with the liquid storage tank through the pneumatic cylinder, the inside of the frame is rotatably installed with the squeezing shafts, the squeezing shafts are arranged above the filter screen and connected with each other through belts, the squeezing shafts are arranged around the dampening roller, one of the squeezing shafts is fixed with the output end of the second motor, and the base of the second motor is fixed with the frame through bolts, and the output end of the spraying mechanism is fixed at the upper end of the frame, so that the excess dampening liquid in the sponge sleeve can be squeezed out, the squeezed dampening liquid can be filtered and returned, the dampening liquid adsorbed in the sponge sleeve can be uniformly arranged, and the squeezing force on the sponge sleeve can be adjusted.

[0010] Further, the filter screen is provided with multiple layers, the filter holes of the upper filter screen are larger than those of the lower filter screen, and the filter screens are all made of a mesh structure of polyester fibers, so that the dampening liquid can be filtered.

[0011] Further, the spraying mechanism comprises a water pump, a hose, a transfer pipe and spray heads, the water pump is fixed in the inside of the liquid storage tank through bolts, the output end of the water pump is fixed with the hose through a joint, the other end of the hose is fixed with the transfer pipe through a joint, the transfer pipe is fixed on the output end of the squeezing mechanism through a pipe clamp, and the outer side of the transfer pipe is fixed with the spray heads along a straight line, and the output ends of the spray heads are all directed to the sponge sleeve, so that the dampening liquid in the inside of the liquid storage tank can be sprayed on the sponge sleeve.

[0012] Compared with the prior art, the corrugated paper printing dampening device has the following beneficial effects:

[0013] The utility model discloses a setting, through spraying mechanism can be with dampening liquid spraying to the sponge cover, then through extruding mechanism the extra dampening liquid of sponge cover is squeezed out, and then can improve the evenness of the dampening liquid that smearing to printing cylinder, secondly, extruding mechanism can filter backflow of the dampening liquid that extrudes, and then avoid material waste, at the same time, extruding mechanism can set up the dampening liquid that the sponge cover inside adsorbs evenly in the process of extruding the sponge cover, in addition, through the cylinder can adjust the extruding degree of force of sponge cover. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical scheme of the utility model embodiment, the following will be to the embodiment description needed to use the drawing briefly introduced, obviously, the following description in the drawing is only some embodiments of the utility model, for those skilled in the art, under the premise of not paying creative labor, can also obtain other drawings according to these drawings.

[0015] Fig. 1 It is the structural schematic diagram of the utility model.

[0016] Fig. 2 It is the structural schematic diagram of the extruding mechanism of the utility model.

[0017] Fig. 3 It is the structural schematic diagram of the spraying mechanism of the utility model.

[0018] In the drawing:

[0019] 1-liquid storage tank, 2-dampening roller, 3-first motor, 4-sponge cover, 5-extruding mechanism, 51-frame, 52-filter screen, 53-extruding shaft, 54-second motor, 55-cylinder, 6-spraying mechanism, 61-water pump, 62-hose, 63-intermediate pipe, 64-spraying head, 7-printing cylinder. DETAILED DESCRIPTION

[0020] The technical scheme in the embodiments of the utility model will be clearly and completely described in combination with the drawings in the embodiments of the utility model, obviously, the described embodiments are only some embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0021] In the description of the utility model, it is understood that the terms "upper", "middle", "outer", "inner", "periphery" and the like indicate the orientation or position relationship, only for the convenience of describing the utility model and simplifying the description, and not indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the utility model.

[0022] Referring to Figs. 1-3 The utility model discloses a corrugated paper printing dampening device, including liquid storage tank 1, dampening cylinder 2, first motor 3, sponge cover 4, extrusion mechanism 5 and spraying mechanism 6, the upper end of liquid storage tank 1 is rotatably installed with dampening cylinder 2 through support bearing, wherein one end of dampening cylinder 2 is fixed with the output end of first motor 3, and the base of the first motor 3 is fixed with the liquid storage tank 1 through bolts, the outside of dampening cylinder 2 is fixed with sponge cover 4, wherein the outside of sponge cover 4 is extruded with the printing cylinder 7 of corrugated paper printing machine, the inside of liquid storage tank 1 is fixed with extrusion mechanism 5, wherein the output end of extrusion mechanism 5 is arranged at the downside of sponge cover 4, the inside of liquid storage tank 1 is fixed with spraying mechanism 6, wherein the output end of spraying mechanism 6 is fixed with extrusion mechanism 5, and the output end of spraying mechanism 6 is away from the side of printing cylinder 7 towards sponge cover 4.

[0023] Specifically, extrusion mechanism 5 includes frame 51, filter screen 52, extrusion shaft 53, second motor 54 and pneumatic cylinder 55, frame 51 is slidably installed in the inside of liquid storage tank 1, and the inside of frame 51 is fixed with filter screen 52, frame 51 is arranged at the downside of dampening cylinder 2, and the both sides of frame 51 are fixed with liquid storage tank 1 through pneumatic cylinder 55, a plurality of extrusion shafts 53 are rotatably installed in the inside of frame 51, wherein extrusion shaft 53 is arranged on the upside of filter screen 52, and adjacent extrusion shafts 53 are connected through a belt, extrusion shaft 53 is arranged around dampening cylinder 2, and one of extrusion shaft 53 is fixed with the output end of second motor 54, the base of second motor 54 is fixed with frame 51 through bolts, the output end of spraying mechanism 6 is fixed on the upper end of frame 51, when using, extrusion shaft 53 can extrude sponge cover 4 on dampening cylinder 2, then extrude the extra dampening liquid on sponge cover 4, at the same time, the dampening liquid absorbed in the inside of sponge cover 4 is evenly arranged, and the extruded dampening liquid on sponge cover 4 can fall on filter screen 52, the dampening liquid is filtered through filter screen 52, and the filtered dampening liquid falls in the inside of liquid storage tank 1, in addition, the height of frame 51 can be adjusted through pneumatic cylinder 55, then the extrusion degree of sponge cover 4 by extrusion shaft 53 is adjusted.

[0024] Specifically, filter screen 52 is provided with multiple layers, and the filter hole of upper filter screen 52 is larger than that of lower filter screen 52, filter screen 52 is made of the mesh structure of polyester fiber, when using, filter screen 52 can filter the dampening liquid, and the mesh structure of polyester fiber has high strength, wear resistance and good chemical stability, and can keep stable filtering effect for a long time.

[0025] Specifically, the spraying mechanism 6 comprises a water pump 61, a hose 62, a transfer pipe 63 and a spray head 64, the water pump 61 is fixed in the liquid tank 1 by bolts, and the output end of the water pump 61 is fixed with the hose 62 through a joint, and the other end of the hose 62 is fixed with the transfer pipe 63 through a joint; the transfer pipe 63 is fixed on the upper end of the extrusion mechanism 5 through a pipe clamp, and a plurality of spray heads 64 are fixed on the outer side of the transfer pipe 63 in a straight line, and the output ends of the spray heads 64 all face the sponge sleeve 4; in use, the water pump 61 can extract the dampening solution in the liquid tank 1, and then the dampening solution is sprayed onto the sponge sleeve 4 through the cooperation of the hose 62, the transfer pipe 63 and the spray head 64.

[0026] Please refer to Figs. 1-3 The working principle of the corrugated paper printing dampening device is as follows: in use, first, the dampening solution is added into the liquid tank 1, when the corrugated paper needs to be printed, the dampening solution is sprayed onto the dampening roller 2 through the spraying mechanism 6, then the dampening roller 2 is driven to rotate by the first motor 3, so that the dampening roller 2 rotates and drives the sponge sleeve 4 containing the dampening solution to pass through the extrusion mechanism 5, and then the excess dampening solution on the sponge sleeve 4 is squeezed out by the extrusion mechanism 5, then, with the rotation of the dampening roller 2, the sponge sleeve 4 containing the dampening solution contacts the printing roller 7, and then the dampening solution is applied to the printing roller 7 to perform dampening treatment on the printing roller 7.

[0027] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are contained in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0028] The preferred embodiments of the present application disclosed above are only used to help explain the present application. The preferred embodiments do not describe all the details, nor limit the present application to the specific embodiments described. Obviously, according to the content of the present specification, many modifications and changes can be made. The present specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present application, so that those skilled in the art can well understand and utilize the present application. The present application is limited by the claims and the entire scope and equivalents thereof.

Claims

1. A printing dampening device for corrugated paper, comprising a liquid storage tank (1), a dampening roller (2), a first motor (3), a sponge cover (4), a squeezing mechanism (5) and a spraying mechanism (6), characterized in that: The upper end of the liquid storage tank (1) is rotatably installed with a dampening roller (2), wherein one end of the dampening roller (2) is fixed with the output end of a first motor (3), and the base of the first motor (3) is fixed with the liquid storage tank (1); the outer side of the dampening roller (2) is fixed with a sponge sleeve (4), wherein the outer side of the sponge sleeve (4) is pressed against a printing roller (7) of a corrugated paper printing machine; the inside of the liquid storage tank (1) is fixed with a pressing mechanism (5), wherein the output end of the pressing mechanism (5) is arranged at the lower side of the sponge sleeve (4); the inside of the liquid storage tank (1) is fixed with a spraying mechanism (6), wherein the output end of the spraying mechanism (6) is fixed with the pressing mechanism (5), and the output end of the spraying mechanism (6) faces away from the side of the sponge sleeve (4) which is away from the printing roller (7).

2. The corrugated paper printing dampening device as claimed in claim 1, wherein: The pressing mechanism (5) comprises a frame (51), a filter screen (52), a pressing shaft (53), a second motor (54) and an air cylinder (55), the frame (51) is slidingly installed in the inside of the liquid storage tank (1), and the inside of the frame (51) is fixed with the filter screen (52); the frame (51) is arranged at the lower side of the dampening roller (2), and the two sides of the frame (51) are fixed with the liquid storage tank (1) through the air cylinder (55); a plurality of pressing shafts (53) are rotatably installed in the inside of the frame (51), wherein the pressing shafts (53) are all arranged above the filter screen (52), and adjacent pressing shafts (53) are connected through a belt; the pressing shafts (53) are arranged in an array around the dampening roller (2), and one of the pressing shafts (53) is fixed with the output end of the second motor (54), and the base of the second motor (54) is fixed with the frame (51); the upper end of the frame (51) is fixed with the output end of the spraying mechanism (6).

3. The corrugated paper printing dampening device as claimed in claim 1, wherein: The filter screen (52) is provided with multiple layers, and the filter holes of the upper filter screen (52) are larger than the filter holes of the lower filter screen (52); the filter screens (52) are all made of a mesh structure of polyester fibers.

4. The corrugated paper printing dampening device as claimed in claim 1, wherein: The spraying mechanism (6) comprises a water pump (61), a hose (62), a transfer pipe (63) and a spray head (64), the water pump (61) is fixed in the inside of the liquid storage tank (1) through bolts, and the output end of the water pump (61) is fixed with the hose (62), wherein the other end of the hose (62) is fixed with the transfer pipe (63); the transfer pipe (63) is fixed at the upper end of the pressing mechanism (5), and the outer side of the transfer pipe (63) is fixed with a plurality of spray heads (64) in a straight line, and the output ends of the spray heads (64) all face the sponge sleeve (4).

Images