CN217532280U - Printing plate cleaning machine - Google Patents

Abstract

The application provides a printing plate cleaning machine, which comprises a frame, the washing tank, the water tank, delivery element, wash the subassembly, spray line and dry subassembly, the washing tank sets up in the frame, the water tank is located the below of washing tank and communicates through pipeline and washing tank, delivery element sets up in the frame and is located the top of washing tank, delivery element carries the printing plate along the first direction, wash the subassembly and include brush roller and brush board, a printing plate for carrying washs, spray line sets up in the top of brush roller and brush board, and spray downwards, spray line passes through delivery pump and water tank intercommunication, dry subassembly sets up in the frame and is located delivery element along the place ahead of first direction, a printing plate after the washing carries out the drying. This application avoids adopting artifical abluent mode, has reduced the possibility of printing plate damage, washs in addition after dry, avoids artifical drying, has improved the cleaning efficiency.

Description

Printing plate cleaning machine

Technical Field

The application relates to the technical field of printing, in particular to a printing plate cleaning machine.

Background

A plate is a carrier for transferring a color or pigment (e.g., ink, etc.) to a substrate for the purpose of reproducing an image.

During the use process of the printing plate, some ink can adhere to the printing plate, and in order to facilitate the next printing, the printing plate with the ink needs to be cleaned so as not to influence the printing quality of the next printing.

At present, the cleaning mode to these printing plates that are stained with printing ink is manual cleaning mostly, and cleaner utilizes instruments such as brush to rub on the printing plate surface, and the cleaning efficiency is low, still needs to carry out operations such as artifical drying after wasing, and the dynamics of wasing is difficult to master in addition, and in the difficult abluent position, cleaner will probably increase the clearance dynamics, causes the printing structure damage on the printing plate very easily, leads to whole printing plate to scrap.

SUMMERY OF THE UTILITY MODEL

The application provides a printing plate cleaning machine avoids adopting artifical abluent mode, has reduced the possibility of printing plate damage, washs in addition after dry, avoids artifical drying, has improved the cleaning efficiency.

In order to solve the technical problem, the following technical scheme is adopted in the application:

the utility model provides a printing plate cleaning machine, includes frame, washing tank, water tank, conveyor components, washs subassembly, spray piping and drying assembly, the washing tank set up in the frame, the water tank be located the below of washing tank and through the pipeline with the washing tank intercommunication, conveyor components set up in the frame and be located the top of washing tank, conveyor components carries the printing plate along the first direction, it includes brush roller and brush board to wash the printing plate of carrying to wash the subassembly, spray piping set up in the brush roller with the top of brush board, and spray downwards, spray piping pass through the delivery pump with the water tank intercommunication, drying assembly set up in the frame and be located conveyor components follows the place ahead of first direction is used for carrying out the drying to the printing plate after wasing.

Compared with the prior art, the printing plate cleaning machine has the advantages that the printing plates are conveyed through the conveying assembly, water (or cleaning agent) in the water tank is sprayed onto the printing plates through the spraying pipeline in the conveying process, the printing plates are cleaned through the brush roller and the brush plate of the cleaning assembly, the cleaned water (or cleaning agent) enters the cleaning tank and finally flows into the water tank to be circularly cleaned in the cleaning process, the cleaned printing plates are conveyed forwards continuously, and the cleaned printing plates are dried through the drying assembly. Realized the washing to the printing plate through above structure, avoided adopting artifical abluent mode, reduced the possibility of printing plate damage, wash in addition after dry, avoid artifical drying, improved the cleaning efficiency.

In one embodiment of the application, the conveying assembly comprises a mounting plate, a driving motor, a main transmission shaft, a plurality of first conveying rollers and a plurality of second conveying rollers;

the driving motor is mounted on the mounting plate, the main transmission shaft is in transmission connection with the driving motor, the main transmission shaft extends along the first direction, a plurality of worms are arranged on the main transmission shaft, and the number of the worms is equal to that of the first conveying rollers and is arranged in a one-to-one correspondence manner;

the first conveying rollers extend along a second direction and are arranged in a rotating mode relative to the mounting plate, the second direction is perpendicular to the first direction, a worm wheel is arranged at one end, close to the main transmission shaft, of each first conveying roller, and the worm wheels are matched with the worms;

a plurality of the second conveying roller is along the second direction extends and just for the mounting panel rotates the setting, and is a plurality of the second conveying roller one-to-one set up in the top of first conveying roller.

In an embodiment of the present application, a lifting limiting groove is formed on the mounting plate, a first lifting block is arranged in the lifting limiting groove, the first lifting block abuts against a groove wall of the lifting limiting groove along the side wall in the first direction, and the second conveying roller is rotatably connected with the first lifting block.

In an embodiment of this application, still be equipped with second lifter and spring in the lift spacing inslot, the second lifter follow the lateral wall of first direction with the cell wall butt in lift spacing groove, the second lifter rotates and is connected with the compression roller, the compression roller butt in the top of second conveying roller, the upper end of spring is fixed in on the lift spacing groove, the lower extreme of spring with the second lifter is connected.

In one embodiment of the present application, the cleaning assembly includes a first cleaning motor, a second cleaning motor, a brush roller, a brush plate, and two support plates;

the first cleaning motor is a left-handed motor, the first cleaning motor is mounted on the mounting plate, the first cleaning motor is in transmission connection with the brush roller to drive the brush roller to rotate around a shaft extending along the second direction, and one support plate is arranged below the brush roller and used for supporting a printing plate;

the second cleaning motor is a right-handed motor, the second cleaning motor is installed on the mounting plate, the second cleaning motor is in transmission connection with the brush plate to drive the brush plate to swing in a reciprocating mode in the second direction, and the supporting plate is arranged below the brush plate and used for supporting a printing plate.

In an embodiment of the present application, the cleaning assembly further includes a first self-aligning fixing sleeve, a first transmission shaft, a first swinging wheel and a first rolling bearing;

the first aligning fixing sleeve is fixed on the mounting plate;

the first transmission shaft is connected in the first aligning fixed sleeve in a sliding manner;

the brush roller is coaxially fixed on the first transmission shaft;

the first swinging wheel is in meshing transmission with the first cleaning motor through a gear, a first swinging slide way is arranged on the first swinging wheel and surrounds the axis of the first swinging wheel for a circle, a surrounding path of the first swinging slide way forms a first plane ring, and an included angle between the first plane ring and the axis of the first swinging wheel is an acute angle;

the first rolling bearing is fixed on the mounting plate through a first support plate, and the first rolling bearing is arranged in the first swinging slideway in a sliding mode.

In an embodiment of the present application, the cleaning assembly further includes a second self-aligning fixing sleeve, a second transmission shaft, a second swinging wheel and a second rolling bearing;

the second aligning fixing sleeve is fixed on the mounting plate;

the second transmission shaft is connected in the second aligning fixed sleeve in a sliding manner;

the brush plate is provided with a fixing block and two limiting sleeves, the fixing block is provided with a through hole, the second transmission shaft is rotatably connected in the through hole, the two limiting sleeves are sleeved on the second transmission shaft and positioned at two sides of the fixing block, and the limiting sleeves and the second transmission shaft are fixed through shaft pins;

the second swinging wheel is in meshing transmission with the second cleaning motor through a gear, a second swinging slide way is arranged on the second swinging wheel and surrounds the axis of the second swinging wheel for a circle, a second plane ring is formed on the surrounding path of the second swinging slide way, and the included angle between the second plane ring and the axis of the second swinging wheel is an acute angle;

the second rolling bearing is fixed on the mounting plate through a second support plate, and the second rolling bearing is arranged in the second swinging slideway in a sliding mode.

In an embodiment of this application, dry subassembly includes dry pipeline and air supply, dry pipeline with the air supply intercommunication, be equipped with the nozzle of giving vent to anger on the dry pipeline.

In an embodiment of the application, the washing device further comprises a feeding assembly, the feeding assembly is arranged behind the washing tank along the first direction, and a conveying belt is arranged on the feeding assembly;

the transmission shaft penetrates through the side wall of the cleaning tank along the first direction, and one end, close to the feeding assembly, of the transmission shaft is in transmission connection with the conveying shaft of the conveying belt through a speed reducer.

In an embodiment of this application, still include and connect the pocket, connect the pocket set up in the frame, and be located the drying component is followed the place ahead of first direction, it is the V-arrangement to connect the pocket.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a perspective view of a plate washer provided in an embodiment of the present application;

FIG. 2 is a cross-sectional view of a plate washer provided in an embodiment of the present application;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

FIG. 4 is a perspective view of a frame used in a plate washer according to an embodiment of the present application;

FIG. 5 is a perspective view of a transport assembly for use with a plate washing machine according to one embodiment of the present application;

FIG. 6 is a perspective view of the mounting of a brush roller for use in a plate washer according to one embodiment of the present application;

fig. 7 is a perspective view illustrating an installation of a brush plate used in a plate washing machine according to an embodiment of the present application.

Reference numerals:

100. a frame; 150. a cleaning tank; 200. a water tank; 250. a delivery assembly; 260. mounting a plate; 270. a drive motor; 280. a main drive shaft; 281. a worm; 290. a first conveying roller; 300. a second conveying roller; 310. a lifting limiting groove; 311. a first lifting block; 312. a second lifting block; 313. a spring; 314. pressing rollers; 350. cleaning the assembly; 360. a brush roller; 370. a brush plate; 371. a fixed block; 372. a limiting sleeve; 380. a first cleaning motor; 390. a second cleaning motor; 400. a support plate; 410. a first centering fixing sleeve; 420. a first drive shaft; 430. a first swinging wheel; 431. a first swing chute; 440. a first rolling bearing; 450. a second centering fixing sleeve; 460. a second drive shaft; 470. a second swinging wheel; 471. a second swing chute; 480. a second rolling bearing; 500. a spray pipe; 550. a drying assembly; 560. a drying pipeline; 600. a feeding assembly; 610. a conveyor belt; 650. and (6) receiving bags.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application are clearly and completely described below, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present application.

The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless otherwise specified.

In the description of the present application, it is to be noted that the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected unless otherwise explicitly stated or limited. The specific meaning of the above terms in this application will be understood to be a specific case for those of ordinary skill in the art.

Fig. 1 is a perspective view of a plate washing machine according to an embodiment of the present application. Fig. 2 is a cross-sectional view of a plate washing machine according to an embodiment of the present application. Fig. 3 is a partially enlarged view of a portion a in fig. 2. Fig. 4 is a perspective view of a frame used in a plate washing machine according to an embodiment of the present application.

Embodiments of the present application provide a plate cleaning machine, as shown in fig. 1, 2, 3 and 4, including a frame 100, a cleaning tank 150, a water tank 200, a conveying assembly 250, a cleaning assembly 350, a spraying duct 500 and a drying assembly 550, wherein the frame 100 is a structure for mounting and supporting other components, the cleaning tank 150 is a place for cleaning plates, the water tank 200 contains water (or cleaning agent), the conveying assembly 250 is used for conveying the plates, the spraying duct 500 is used for spraying the water (or cleaning agent) in the water tank 200 onto the plates, the cleaning assembly 350 is used for cleaning the plates, and the drying assembly 550 is used for drying the cleaned plates.

As shown in fig. 2 and 4, the cleaning tank 150 is disposed on the frame 100, and the cleaning tank 150 is disposed substantially at the middle upper portion of the frame 100 for conveniently placing the water tank 200. The cleaning tank 150 is a tank member having an open upper end, has a substantially rectangular parallelepiped structure, and may be formed by welding steel plates.

The water tank 200 is disposed on the frame 100, the water tank 200 is disposed below the cleaning tank 150 and is communicated with the cleaning tank 150 through a pipe, and water (or a cleaning agent) is contained in the water tank 200 and can be appropriately replaced according to the type of ink on the printing plate, so as to clean the ink.

As shown in fig. 2, the conveying assembly 250 is disposed on the frame 100 and above the cleaning tank 150, and the conveying assembly 250 conveys the printing plates along a first direction to move the printing plates along the first direction.

As shown in fig. 2 and 3, the cleaning assembly 350 includes a brush roller 360 and a brush plate 370 for cleaning the transferred printing plates, and the brush roller 360 and the brush plate 370 rub the upper surfaces of the printing plates to clean ink.

As shown in fig. 3, the spraying pipe 500 is disposed above the brush roller 360 and the brush plate 370 and sprays downward, the spraying pipe 500 is communicated with the water tank 200 through a delivery pump, the delivery pump pumps water (or cleaning agent) in the water tank 200 into the spraying pipe 500 and sprays out from the spraying pipe 500 to the printing plate, and the cleaning assembly 350 is matched to complete cleaning of the printing plate.

As shown in fig. 2, the drying assembly 550 is disposed on the frame 100 in front of the conveying assembly 250 in the first direction, that is, the printing plates come out of the conveying assembly 250 to the drying assembly 550, so that the cleaned printing plates are dried.

After all the parts are installed, structures such as a shield and a guard plate can be arranged around the rack 100, and the rack 100 generally forms a box structure, so that workers can be prevented from contacting moving parts, and the safety of equipment is improved.

In addition, a crash stop button may be provided on the rack 100, and when there is an emergency, the worker may press the crash stop button to stop the whole apparatus.

Compared with the prior art, the plate cleaning machine realizes the conveying of printing plates through the conveying assembly 250, water (or cleaning agent) in the water tank 200 is sprayed onto the printing plates through the spraying pipeline 500 in the conveying process, the printing plates are cleaned through the brush rollers 360 and the brush plates 370 of the cleaning assembly 350, the cleaned water (or cleaning agent) enters the cleaning tank 150 in the cleaning process and finally flows into the water tank 200 for circulating cleaning, the cleaned printing plates are conveyed forwards continuously, and the cleaned printing plates are dried through the drying assembly 550. Realized the washing to the printing plate through above structure, avoided adopting artifical abluent mode, reduced the possibility of printing plate damage, wash in addition after dry, avoid artifical drying, improved the cleaning efficiency.

It should be noted that, taking water as the cleaning liquid as an example, the water in the water tank 200 is sprayed out from the spraying pipe 500 through the delivery pump to clean the printing plate, and then enters the cleaning tank 150, and finally returns to the water tank 200, so as to continue the circular cleaning. After a period of cleaning, the overall concentration of the liquid in the tank 200 becomes high, the water becomes dirty, the cleaning effect on the printing plate is reduced, the ink with high density settles at the bottom, and the water floats at the upper part. Therefore, a water purifying container can be additionally arranged for containing clean water and spraying the clean water onto the printing plate through the delivery pump and the spraying pipeline 500, so that on one hand, the printing plate can be rinsed by clean water, on the other hand, the rinsed water enters the water tank 200 to increase the liquid in the water tank 200, and at the moment, the ink at the bottom of the water tank 200 can be discharged into a sewage container, so that the whole concentration of the liquid in the water tank 200 is reduced, the water is cleaned, and the circulation is performed, so that the printing plate can be cleaned conveniently. When the water tank 200 contains a cleaning agent, the water purification container should contain a clean cleaning agent.

Fig. 5 is a perspective view of a transport assembly for use with a plate washing machine according to an embodiment of the present application.

In some embodiments, as shown in fig. 3, 4 and 5, the conveying assembly 250 includes a mounting plate 260, a driving motor 270, a main driving shaft 280, a plurality of first conveying rollers 290 and a plurality of second conveying rollers 300, the number of the mounting plates 260 is two, and the two mounting plates 260 may be mounted on two opposite tank walls of the cleaning tank 150 (it is also understood that the mounting plates 260 extend upwards from the two opposite tank walls of the cleaning tank 150) or mounted on the frame 100, so that the conveying assembly 250 can be located substantially above the cleaning tank 150, so that the printing plate is located above the cleaning tank 150 during conveying.

As shown in fig. 3, 4 and 5, the driving motor 270 is mounted on the mounting plate 260, the main driving shaft 280 is in driving connection with the driving motor 270, the main driving shaft 280 extends along a first direction, and the main driving shaft 280 can be mounted on the cleaning tank 150 when being mounted, and is close to the tank wall of the cleaning tank 150. The main drive shaft 280 is provided with a plurality of worms 281, and the plurality of worms 281 are arranged at intervals along the axial direction of the main drive shaft 280. The number of worms 281 is equal to the number of first conveying rollers 290 and is provided in one-to-one correspondence.

As shown in fig. 5, when the cleaning tank is installed, the driving motor 270 and the main transmission shaft 280 are located at two sides of the mounting plate 260, the driving motor 270 is installed on the mounting plate 260 through the motor bracket, and the output shaft extends along the first direction, and then the driving connection with the main transmission shaft 280 is realized through the synchronous belt penetrating through the mounting plate 260, so that the main transmission shaft 280 also extends along the first direction, one end of the main transmission shaft 280 is in driving connection with the driving motor 270, and the other end is rotatably connected to the tank wall of the cleaning tank 150.

The driving motor 270 may be mounted on the frame 10, and may be stably mounted, which is not limited herein.

Generally, the drive motor 270 is a right-hand motor, which is a type commonly found on the market unless otherwise specified.

As shown in fig. 3 and 5, the plurality of first conveying rollers 290 are arranged at intervals along a first direction and extend along a second direction, the first conveying rollers 290 are rotatably disposed relative to the mounting plate 260, the second direction is perpendicular to the first direction, a worm wheel is disposed at one end of each first conveying roller 290 close to the main transmission shaft 280, the worm wheel is engaged with the worm 281, and when the main transmission shaft 280 rotates, the worm wheel can be driven by the worm 281 to rotate, so as to drive the first conveying rollers 290 to rotate.

As shown in fig. 3 and 5, a plurality of second conveyor rollers 300 are arranged at intervals in the first direction and each extend in the second direction, the number of second conveyor rollers 300 is equal to the number of first conveyor rollers 290, second conveyor rollers 300 are rotatably provided with respect to mounting plate 260, and a plurality of second conveyor rollers 300 are provided above first conveyor rollers 290 in a one-to-one correspondence. When a printing plate enters from one end of the conveying assembly 250, the first conveying roller 290 is located below the printing plate, the first conveying roller 290 serves as a driving roller to drive the printing plate to move along a first direction, the second conveying roller 300 is located above the printing plate, and the second conveying roller 300 serves as a driven roller to rotate along with the printing plate.

Through the structure, the printing plates are conveyed, the first conveying rollers 290 are driven by the same main transmission shaft 280, the rotating speed of the first conveying rollers 290 is equal, and the conveying is stable.

In order to adapt to printing plates with different thicknesses, in some embodiments, as shown in fig. 3 and 5, a lifting limiting groove 310 is formed in the mounting plate 260, the lifting limiting groove 310 is vertically arranged, a notch of the lifting limiting groove 310 faces to another mounting plate 260, a first lifting block 311 is arranged in the lifting limiting groove 310, and a side wall of the first lifting block 311 in the first direction is abutted to a groove wall of the lifting limiting groove 310, so that the first lifting block can move in the vertical direction to realize lifting. The second conveying roller 300 is rotatably connected to the first lifting block 311. With the above structure, it is achieved that the gap between the first conveying roller 290 and the second conveying roller 300 is adjustable, thereby accommodating printing plates of different thicknesses.

During manufacturing, the first conveying roller 290 can be made as a rubber roller, and the second conveying roller 300 can be made as a foaming roller, so that the rubber roller does not damage the printing plate when contacting with the printing plate. The foaming roller can easily absorb water and ink on the printing plate, and the cleaning effect is good.

In some embodiments, as shown in fig. 3 and 5, a second lifting block 312 and a spring 313 are further disposed in the lifting limiting groove 310, and a side wall of the second lifting block 312 along the first direction abuts against a groove wall of the lifting limiting groove 310, so as to move in the vertical direction and achieve lifting. The second lifting block 312 is rotatably connected with a pressing roller 314, the pressing roller 314 abuts on the upper side of the second conveying roller 300, the upper end of a spring 313 is fixed on the lifting limiting groove 310, and the lower end of the spring 313 is connected with the second lifting block 312. The second conveyor roller 300 is pressed by the gravity of the press roller 314 and the elastic force of the spring 313, so that the friction force between the second conveyor roller 300 and the printing plate is increased, and slipping is avoided.

In some embodiments, as shown in fig. 3 and 4, the cleaning assembly 350 includes a first cleaning motor 380, a second cleaning motor 390, a brush roller 360, a brush plate 370, and two support plates 400, the first cleaning motor 380 for driving the brush roller 360 to move, and the second cleaning motor 390 for driving the brush plate 370 to move.

As shown in fig. 3 and 4, the first cleaning motor 380 is mounted on the mounting plate 260, the first cleaning motor 380 is drivingly connected to the brush roller 360 to rotate the brush roller 360 about an axis extending in the second direction, and a support plate 400 is disposed below the brush roller 360 to support a printing plate. That is, the printing plate is between the brush roller 360 and the support plate 400, the brush roller 360 is above the printing plate, and the rotation direction of the brush roller 360 should be the same as the rotation direction of the second transfer roller 300, that is, the rotation direction of the first transfer roller 290 is opposite, and the first transfer roller 290 is driven by the driving motor 270, that is, the rotation direction of the first cleaning motor 380 should be opposite to the rotation direction of the driving motor 270, that is, left-handed rotation.

As shown in fig. 3 and 4, the second cleaning motor 390 is mounted on the mounting plate 260, the second cleaning motor 390 is in transmission connection with the brush plate 370 to drive the brush plate 370 to swing back and forth along the second direction, and another supporting plate 400 is disposed below the brush plate 370 to support the printing plate. That is, the printing plates are positioned between the brush plate 370 and the support plate 400, and the brush plate 370 performs a reciprocating rubbing cleaning of the upper surfaces of the printing plates.

FIG. 6 is a perspective view of the mounting of a brush roller for use in a plate washer according to one embodiment of the present application.

Specifically, in some embodiments, as shown in fig. 5 and 6, the cleaning assembly 350 further includes a first self-aligning retainer 410, a first transmission shaft 420, a first swinging wheel 430 and a first rolling bearing 440, the first self-aligning retainer 410 is fixed on the mounting plate 260, the first transmission shaft 420 extends in the second direction and is slidably connected in the first self-aligning retainer 410, and the brush roller 360 is coaxially fixed on the first transmission shaft 420 to move together with the first transmission shaft 420.

For the convenience of installation, in practical implementation, the two ends of the first transmission shaft 420 may be installed on two support shafts first, the support shaft at one end is slidably connected in the first aligning fixing sleeve 410, and the support shaft at the other end is rotatably connected with the mounting plate 260.

The first swing wheel 430 is geared with the first cleaning motor 380, and the first swing wheel 430 extends in the second direction. The first swinging wheel 430 is provided with a first swinging slideway 431, the first swinging slideway 431 surrounds a circle around the axis of the first swinging wheel 430, the surrounding path of the first swinging slideway 431 forms a first plane ring, and the included angle between the first plane ring and the axis of the first swinging wheel 430 is an acute angle, that is, the first swinging slideway 431 is an inclined groove shape.

As shown in fig. 5, the first rolling bearing 440 is fixed to the mounting plate 260 by a first support plate, and the first rolling bearing 440 is slidably disposed in the first swinging slideway 431.

When the first cleaning motor 380 is started, the first swinging wheel 430 is driven to rotate, the first rolling bearing 440 slides in the first swinging slideway 431, and the position of the first rolling bearing 440 cannot be changed, so that the first swinging wheel 430 can perform reciprocating movement along the second direction while rotating, the brush roller 360 is driven to perform reciprocating movement along the second direction while rotating, the printing plate is cleaned, and the effect is good.

Fig. 7 is a perspective view of a brush plate used in a plate washing machine according to an embodiment of the present application.

In some embodiments, as shown in fig. 5 and 7, the cleaning assembly 350 further includes a second self-aligning retaining sleeve 450, a second transmission shaft 460, a second swinging wheel 470 and a second rolling bearing 480, the second self-aligning retaining sleeve 450 being fixed to the mounting plate 260, the second transmission shaft 460 extending in the second direction and being slidably connected within the second self-aligning retaining sleeve 450.

In order to facilitate installation, in practical implementation, two ends of the second transmission shaft 460 may be installed on two support shafts first, the support shaft at one end is slidably connected in the second self-aligning fixing sleeve 450, and the support shaft at the other end is rotatably connected with the installation plate 260.

As shown in fig. 7, the brush plate 370 is provided with a fixing block 371 and two limiting sleeves 372, the fixing block 371 is provided with a through hole, the second transmission shaft 460 is rotatably connected in the through hole, the two limiting sleeves 372 are sleeved on the second transmission shaft 460 and located at two sides of the fixing block 371, and the limiting sleeves 372 and the second transmission shaft 460 are fixed through a shaft pin, so that the second transmission shaft 460 can rotate relative to the brush plate 370 and can be fixed relative to the brush plate 370 through the two limiting sleeves 372 in the second direction.

The second oscillating wheel 470 is in meshing transmission with the second cleaning motor 390 through a gear, a second oscillating slide 471 is arranged on the second oscillating wheel 470, the second oscillating slide 471 encircles a circle around the axis of the second oscillating wheel 470, the encircling path of the second oscillating slide 471 forms a second planar ring, and the included angle between the second planar ring and the axis of the second oscillating wheel 470 is an acute angle. That is, the second swinging chute 471 is an inclined trough shape.

As shown in fig. 5 and 7, the second rolling bearing 480 is fixed to the mounting plate 260 through a second support plate, and the second rolling bearing 480 is slidably disposed in the second swinging chute 471.

When the second cleaning motor 390 is started, the second swinging wheel 470 is driven to rotate, the second rolling bearing 480 slides in the second swinging sliding, and the position of the second rolling bearing 480 cannot be changed, so that the first swinging wheel 430 can perform reciprocating movement along the second direction while rotating, the brush plate 370 is driven to perform reciprocating movement along the second direction, reciprocating friction cleaning is performed on the printing plate, and the effect is good.

Through the brush roller 360 and the brush plate 370, rolling friction cleaning along the first direction and reciprocating friction cleaning along the second direction can be realized for the printing plate, the cleaning effect of the printing plate is improved, and the problems of cleaning dead angles and the like are avoided.

In some embodiments, as shown in fig. 2, the drying assembly 550 includes a drying duct 560 and a gas source, the drying duct 560 is communicated with the gas source, the drying duct 560 is provided with a gas outlet nozzle, the printing plate conveyed from the conveying assembly 250 is cleaned, the upper surface of the printing plate is more or less adhered with some water drops, and the printing plate is dried by the gas blown out from the drying duct 560.

In some embodiments, as shown in fig. 1 and 2, the plate cleaning machine further includes a feeding assembly 600, the feeding assembly 600 is disposed behind the cleaning tank 150 along the first direction (i.e., on the right side in fig. 2), the feeding assembly 600 is provided with a conveying belt 610, a transmission shaft penetrates through a side wall of the cleaning tank 150 along the first direction, and one end of the transmission shaft near the feeding assembly 600 is in transmission connection with the conveying shaft of the conveying belt 610 through a speed reducer. When the printing plate cleaning machine is used, a printing plate to be cleaned is flatly laid on the conveying belt 610, and when the transmission shaft rotates, the conveying shaft of the conveying belt 610 is driven to rotate, so that the printing plate is driven to move towards the conveying assembly 250 (namely, to move along the a direction), a good feeding effect is achieved, and the printing plate does not need to be manually held. In addition, a guide structure may be disposed at an end of the feeding assembly 600 close to the conveying assembly 250, so as to facilitate feeding.

In some embodiments, as shown in fig. 1 and 2, the plate washing machine further includes a receiving bag 650, the receiving bag 650 is disposed on the frame 100 and located in front of the drying assembly 550 along the first direction, the receiving bag 650 is V-shaped, and the dried printing plates continue to move forward along the first direction to reach the receiving bag 650 and are collected in the receiving bag 650. Generally, the receiving bag 650 is lower than the drying assembly 550, and a downward inclined guide structure may be disposed between the receiving bag 650 and the drying assembly, so that printing plates can enter the receiving bag 650.

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art; the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present application.

Claims (10)

1. A plate washing machine, comprising:

a frame;

the cleaning tank is arranged on the rack;

the water tank is arranged on the rack, is positioned below the cleaning tank and is communicated with the cleaning tank through a pipeline;

the conveying assembly is arranged on the rack and positioned above the cleaning tank, and conveys the printing plate along a first direction;

the cleaning assembly comprises a brush roller and a brush plate and is used for cleaning the conveyed printing plate;

the spraying pipeline is arranged above the brush roller and the brush plate and sprays downwards, and the spraying pipeline is communicated with the water tank through a conveying pump;

and the drying assembly is arranged on the rack and positioned in front of the conveying assembly along the first direction and is used for drying the cleaned printing plate.

2. The printing plate cleaning machine according to claim 1 wherein the transport assembly includes a mounting plate, a drive motor, a main drive shaft, a plurality of first transport rollers and a plurality of second transport rollers;

the driving motor is mounted on the mounting plate, the main transmission shaft is in transmission connection with the driving motor, the main transmission shaft extends along the first direction, a plurality of worms are arranged on the main transmission shaft, and the number of the worms is equal to that of the first conveying rollers and is arranged in a one-to-one correspondence manner;

the first conveying rollers extend along a second direction and are rotatably arranged relative to the mounting plate, the second direction is perpendicular to the first direction, one end, close to the main transmission shaft, of each first conveying roller is provided with a worm wheel, and the worm wheels are matched with the worms;

a plurality of the second conveying roller is along the second direction extends and just for the mounting panel rotates the setting, and is a plurality of the second conveying roller one-to-one set up in the top of first conveying roller.

3. The printing plate cleaning machine according to claim 2, wherein a lift-limiting groove is provided in the mounting plate, a first lift block is provided in the lift-limiting groove, a side wall of the first lift block in the first direction abuts against a groove wall of the lift-limiting groove, and the second transport roller is rotatably connected to the first lift block.

4. The printing plate cleaning machine according to claim 3, wherein a second lifting block and a spring are further arranged in the lifting limiting groove, a side wall of the second lifting block along the first direction abuts against a groove wall of the lifting limiting groove, the second lifting block is rotatably connected with a pressure roller, the pressure roller abuts against the upper side of the second conveying roller, the upper end of the spring is fixed on the lifting limiting groove, and the lower end of the spring is connected with the second lifting block.

5. The plate washing machine according to claim 2 wherein the washing assembly includes a first washing motor, a second washing motor, a brush roller, a brush plate and two support plates;

the first cleaning motor is a left-handed motor, the first cleaning motor is mounted on the mounting plate, the first cleaning motor is in transmission connection with the brush roller to drive the brush roller to rotate around a shaft extending along the second direction, and one support plate is arranged below the brush roller and used for supporting a printing plate;

the second cleaning motor is a right-handed motor, the second cleaning motor is installed on the mounting plate, the second cleaning motor is in transmission connection with the brush plate to drive the brush plate to swing in a reciprocating mode in the second direction, and the supporting plate is arranged below the brush plate and used for supporting a printing plate.

6. The plate washing machine as recited in claim 5 wherein said wash assembly further comprises a first self-aligning retainer sleeve, a first drive shaft, a first wobble wheel and a first rolling bearing;

the first aligning fixing sleeve is fixed on the mounting plate;

the first transmission shaft extends along the second direction and is connected in the first aligning fixed sleeve in a sliding manner;

the brush roller is coaxially fixed on the first transmission shaft;

the first oscillating wheel is in meshing transmission with the first cleaning motor through a gear, a first oscillating slide way is arranged on the first oscillating wheel and surrounds the axis of the first oscillating wheel for a circle, a first plane ring is formed on the surrounding path of the first oscillating slide way, and the included angle between the first plane ring and the axis of the first oscillating wheel is an acute angle;

the first rolling bearing is fixed on the mounting plate through a first support plate, and the first rolling bearing is arranged in the first swinging slideway in a sliding mode.

7. The plate washing machine according to claim 6 wherein said washing assembly further comprises a second self-aligning retainer sleeve, a second drive shaft, a second wobble wheel and a second rolling bearing;

the second aligning fixing sleeve is fixed on the mounting plate;

the second transmission shaft is connected in the second aligning fixed sleeve in a sliding manner;

the brush plate is provided with a fixing block and two limiting sleeves, the fixing block is provided with a through hole, the second transmission shaft is rotatably connected in the through hole, the two limiting sleeves are sleeved on the second transmission shaft and positioned on two sides of the fixing block, and the limiting sleeves and the second transmission shaft are fixed through shaft pins;

the second swinging wheel is in meshing transmission with the second cleaning motor through a gear, a second swinging slide way is arranged on the second swinging wheel and surrounds the axis of the second swinging wheel for a circle, a surrounding path of the second swinging slide way forms a second plane ring, and an included angle between the second plane ring and the axis of the second swinging wheel is an acute angle;

the second rolling bearing is fixed on the mounting plate through a second support plate, and the second rolling bearing is arranged in the second swing slideway in a sliding mode.

8. The plate washer according to claim 1, wherein the drying assembly includes a drying duct and an air supply, the drying duct being in communication with the air supply, the drying duct having an air outlet nozzle.

9. The printing plate cleaning machine according to claim 2 further comprising a feed assembly, said feed assembly being disposed rearward of said cleaning tank along said first direction, said feed assembly having a conveyor belt thereon;

the transmission shaft penetrates through the side wall of the cleaning tank along the first direction, and one end, close to the feeding assembly, of the transmission shaft is in transmission connection with the conveying shaft of the conveying belt through a speed reducer.

10. The plate cleaning machine according to claim 9 further comprising a receiving bag disposed on the frame and located forward of the drying assembly along the first direction, the receiving bag being V-shaped.

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