CN219947645U

CN219947645U - Printing plate cleaning device

Info

Publication number: CN219947645U
Application number: CN202321106511.2U
Authority: CN
Inventors: 林思锐
Original assignee: Jilin Baili Packaging Co ltd
Current assignee: Jilin Baili Packaging Co ltd
Priority date: 2023-05-09
Filing date: 2023-05-09
Publication date: 2023-11-03
Anticipated expiration: 2033-05-09

Abstract

The utility model relates to the technical field of printing machinery, in particular to a device for cleaning printing plates, which comprises a rack and a cylinder printing plate, wherein a driving assembly is arranged on the left side of the rack, a deflection shaft frame for stabilizing the rotation of the cylinder printing plate is arranged on the right side of the rack, a cleaning mechanism for cleaning dirt on the surface of the cylinder printing plate is arranged on the surface of the cylinder printing plate, the cleaning mechanism consists of a transmission assembly and a cleaning assembly, and the purpose of automatically cleaning the cylinder printing plate can be realized through the cooperation of the driving assembly, the transmission assembly and the cleaning assembly.

Description

Printing plate cleaning device

Technical Field

The utility model relates to the technical field of printing machinery, in particular to a printing plate cleaning device.

Background

Most printing plates of the existing printing machine are in roller shapes, and when printing with different colors of ink is needed to be exchanged, the ink on the printing plate needs to be cleaned.

The utility model discloses an automatic plate washer for this chinese patent publication No. CN211994696U, this automatic plate washer includes the frame, above-mentioned frame internal fixation has the elevating gear who is used for driving the printing plate and goes up and down, the frame top both sides are fixed with the clamp rotary device that can press from both sides the printing plate and can rotate the printing plate, still be fixed with solvent recovery unit in the frame of clamp rotary device bottom simultaneously, the promotion cylinder in the solvent recovery unit drives the recovery tank round trip movement, make the workman take the solvent spray gun drop to the solvent that the printing plate washed at the recovery tank, and retrieve in unison from the recovery mouth of recovery tank, still be fixed with the guard plate in the frame simultaneously, the guard plate makes the solvent that splashes flow to the recovery tank along the protection casing inside, above-mentioned automatic plate washer is to printing plate washs fast clean again, its cleaning efficiency is high, and the solvent recovery after the washing can not drip to the printing plate on the printing plate influence the printing machine life, also can not flow everywhere and can not retrieve the solvent and pollute the environment.

However, when the device is used, the problems are still existed that one of the clamping and rotating devices clamps the printing plate through the clamping air cylinder, the structure is complex, the cost is high when the automatic plate washer is produced, the use is inconvenient, and meanwhile, once the air cylinder leaks air under the long-term working condition, the cleaning efficiency of the printing plate is easily affected; when the printing plate is cleaned by the device, the printing plate is flushed by a worker through the solvent holding spray gun, and the printing plate is not automatically cleaned, so that the labor intensity of the worker is high under long-term work, and the cleaning efficiency of the printing plate is reduced.

It is therefore desirable to design a plate cleaning device that addresses the above-described issues.

Disclosure of Invention

The utility model aims to provide a printing plate cleaning device which solves the problems that the prior device for cleaning the printing plate is complex in structure, inconvenient to operate and capable of affecting the cleaning efficiency of the printing plate, and meanwhile, the labor intensity of workers is high due to the fact that the printing plate is manually cleaned, so that the cleaning efficiency of the printing plate is reduced.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a wash printing plate device, includes the frame and assembles the cylinder printing plate at the frame top, the left side of frame is equipped with and is used for driving the pivoted drive assembly of cylinder printing plate, drive assembly includes the motor, the bottom at the frame is fixed to the motor, the output of motor is fixed with first belt pulley, the top of frame is fixed with two first bearing frames, two rotate between the first bearing frame and be connected with the logical axle, the one end of logical axle is fixed with the second belt pulley, the second belt pulley rotates with the surface of first belt pulley to be connected through first belt, the other end of logical axle is fixed with first shaft coupling, the one end and the first shaft coupling fixed connection of cylinder printing plate, the right side of frame is equipped with and is used for stabilizing the pivoted off-axis frame of cylinder printing plate, the surface assembly of cylinder printing plate is equipped with the wiper mechanism who is used for wasing cylinder printing plate surface spot.

Preferably, the cleaning mechanism is composed of a transmission assembly and a cleaning assembly, the transmission assembly comprises a reciprocating screw rod rotatably connected to the top of the frame, a third belt pulley is fixed to the end portion of the reciprocating screw rod, a fourth belt pulley is fixed to the surface of the through shaft, and the third belt pulley is rotatably connected with the surface of the fourth belt pulley through a second belt.

Preferably, the cleaning assembly comprises a moving block, the bottom of the moving block is in threaded connection with the reciprocating screw rod, a guide rail is fixed at the top of the frame, the end part of the moving block is slidably connected in the guide rail, a cleaning cylinder is fixed on the moving block along the length direction of the moving block, the cleaning cylinder is sleeved on the surface of a cylinder printing plate, cavities are formed in the cleaning cylinder and the moving block, the two cavities are mutually communicated, a nozzle is fixed on the inner wall of the cleaning cylinder, and the nozzle is communicated with the cleaning cylinder and the cavities of the moving block.

Preferably, the number of the nozzles is plural, a plurality of the nozzles are circumferentially arrayed on the inner wall of the cleaning cylinder, and the ends of the plurality of the nozzles face the surface of the cylinder plate.

Preferably, the bottom of off-axis frame is fixed with slider and second connecting block towards a side of frame, the quantity of slider is equipped with two, the second connecting block is established between two sliders, the bottom of frame is fixed with slide rail and first connecting block, the quantity of slide rail is equipped with two, first connecting block is established between two slide rails, and two the slider respectively with two slide rail sliding connection, the level of second connecting block bottom is higher than the level at first connecting block top, just through bolt fixed connection between second connecting block and the first connecting block.

Preferably, the cross section of the deflection frame is L-shaped, and a side surface of the bottom of the deflection frame, which is far away from the frame, is provided with a reinforcing rib, one end of the reinforcing rib is fixedly connected with the surface of the deflection frame in the vertical direction, the other end of the reinforcing rib is fixedly connected with the surface of the deflection frame in the horizontal direction, and the bottom of the deflection frame is rotationally connected with a roller.

Preferably, a second bearing seat is fixed at the top of the offset shaft frame, a stabilizing shaft is rotatably connected to the second bearing seat, a second coupler is fixed at the end part of the stabilizing shaft, and the other end of the cylinder printing plate is fixedly connected with the second coupler.

Compared with the prior art, the utility model has the beneficial effects that: through the cooperation of drive assembly, drive assembly and cleaning assembly, can realize the self-cleaning purpose to the cylinder printing plate, need not the manual cleaning cylinder printing plate, effectually reduced workman's intensity of labour for the cleaning efficiency of cylinder printing plate obtains improving, and this device simple structure, simple operation is favorable to improving the cleaning efficiency of cylinder printing plate simultaneously.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is an enlarged schematic view of the structure of FIG. 1 at C according to the present utility model;

FIG. 3 is a schematic elevational view of the present utility model;

FIG. 4 is a schematic view of the cross-sectional structure of the utility model in the direction A-A of FIG. 3;

FIG. 5 is an enlarged schematic view of the structure of FIG. 4B according to the present utility model;

FIG. 6 is a schematic side view of the present utility model;

fig. 7 is a schematic view of the overall structure of a partial explosion according to the present utility model.

In the figure: 1. a frame; 11. a slide rail; 12. a first connection block; 2. a drive assembly; 21. a motor; 22. a first pulley; 23. a first belt; 24. a second pulley; 25. a through shaft; 251. a first bearing seat; 26. a first coupling; 3. a cylinder plate; 4. a deflection yoke; 41. a slide block; 42. a second connection block; 43. a second bearing seat; 44. a stabilizing shaft; 45. a second coupling; 5. a cleaning mechanism; 51. a transmission assembly; 511. a reciprocating screw rod; 512. a third pulley; 513. a fourth pulley; 514. a second belt; 52. cleaning the assembly; 521. a moving block; 522. a cleaning cylinder; 523. a nozzle; 524. and a guide rail.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-7, embodiments of the present utility model are provided:

the utility model provides a wash printing plate device, including frame 1 and the cylinder printing plate 3 of assembly at the frame 1 top, the left side of frame 1 is equipped with and is used for driving the pivoted drive assembly 2 of cylinder printing plate 3, drive assembly 2 includes motor 21, motor 21 passes through wire and external power supply electric connection, motor 21 fixes the bottom at frame 1, the output of motor 21 is fixed with first belt pulley 22, the top of frame 1 is fixed with two first bearing frames 251, rotate between two first bearing frames 251 and be connected with logical axle 25, the one end of logical axle 25 is fixed with second belt pulley 24, the second belt pulley 24 is connected through first belt 23 rotation with the surface of first belt pulley 22, the other end of logical axle 25 is fixed with first shaft coupling 26, the one end and the first shaft coupling 26 fixed connection of cylinder printing plate 3, the surface of cylinder printing plate 3 is equipped with the wiper mechanism 5 that is used for wasing cylinder printing plate 3 surface spot, through starting motor 21, the output of motor 21 drives first belt pulley 22 and rotate, second belt pulley 24 takes place to rotate under first belt 23, make logical axle 25 rotate, and then let cylinder 3 take place to rotate, thereby the surface of the linkage of all-round to wash printing plate 3 can carry out the all-round to the surface of linkage of printing plate 3.

Further, as shown in fig. 1 and 7, in order to improve the stability of the cylinder plate 3 during rotation, a deflection yoke 4 for stabilizing the rotation of the cylinder plate 3 is mounted on the right side of the frame 1, a second bearing bracket 43 is fixed on the top of the deflection yoke 4, a stabilizing shaft 44 is rotatably connected to the second bearing bracket 43, a second coupler 45 is fixed to an end of the stabilizing shaft 44, and the other end of the cylinder plate 3 is fixedly connected to the second coupler 45.

Further, as shown in fig. 1 and 7, a sliding block 41 and a second connecting block 42 are fixed at the bottom of the eccentric shaft frame 4 towards one side surface of the frame 1, two sliding blocks 41 are provided, two second connecting blocks 42 are provided between the two sliding blocks 41, two sliding rails 11 and two first connecting blocks 12 are fixed at the bottom of the frame 1, two first connecting blocks 12 are provided between the two sliding rails 11, the two sliding blocks 41 are respectively in sliding connection with the two sliding rails 11, the horizontal height of the bottom of the second connecting block 42 is higher than the horizontal height of the top of the first connecting block 12, the second connecting block 42 is fixedly connected with the first connecting block 12 through a bolt, after the cylinder printing plate 3 is assembled between the first coupling 26 and the second coupling 45, the first connecting block 12 and the second connecting block 42 are fixed through the bolt, the eccentric shaft frame 4 is prevented from moving, and the cleaning mechanism 5 is ensured to clean the cylinder plate 3 in order.

Further, as shown in fig. 7, in order to improve the structural strength of the deflection frame 4, the section of the deflection frame 4 is L-shaped, a reinforcing rib is mounted on a side surface of the bottom of the deflection frame 4 away from the frame 1, one end of the reinforcing rib is fixedly connected with a surface of the deflection frame 4 in the vertical direction, the other end of the reinforcing rib is fixedly connected with a surface of the deflection frame 4 in the horizontal direction, and meanwhile, in order to facilitate movement of the deflection frame 4, a roller is rotatably connected to the bottom of the deflection frame 4.

The cleaning mechanism 5 is composed of a transmission assembly 51 and a cleaning assembly 52, the transmission assembly 51 comprises a reciprocating screw rod 511 rotatably connected to the top of the frame 1, a third belt pulley 512 is fixed to the end portion of the reciprocating screw rod 511, a fourth belt pulley 513 is fixed to the surface of the through shaft 25, and the third belt pulley 512 is rotatably connected to the surface of the fourth belt pulley 513 through a second belt 514.

Specifically, the cleaning assembly 52 includes a moving block 521, the bottom of the moving block 521 is in threaded connection with the reciprocating screw 511, the top of the frame 1 is fixed with a guide rail 524, the end of the moving block 521 is slidably connected in the guide rail 524, the moving block 521 is fixed with a cleaning cylinder 522 along the length direction of the moving block, the cleaning cylinder 522 is sleeved on the surface of the cylinder printing plate 3, cavities are formed in the cleaning cylinder 522 and the moving block 521, the two cavities are mutually communicated, a nozzle 523 is fixed on the inner wall of the cleaning cylinder 522, the nozzle 523 is communicated with the cleaning cylinder 522 and the cavities of the moving block 521, the surface of the moving block 521 is connected with an external cleaning tank through a pipeline, a water pump is installed in the cleaning tank, and cleaning liquid in the cleaning tank flows into the moving block 521 and the cavities of the cleaning cylinder 522 through the pipeline under the driving of the water pump, and is sprayed from the nozzle 523 to the surface of the cylinder 3, so that the external cleaning tank and the water pump are all known, and the printing plate 3 surface cleaning technology is not described herein.

Further, the number of the nozzles 523 is plural, the plurality of nozzles 523 are circumferentially arrayed on the inner wall of the cleaning cylinder 522, and the end portions of the plurality of nozzles 523 face the surface of the cylinder plate 3, and by providing the plurality of nozzles 523, the cleaning efficiency of the cleaning mechanism 5 on the surface of the cylinder plate 3 can be effectively improved.

Working principle: when the cylinder plate 3 needs to be cleaned, one end of the cylinder plate 3 is first fixed to the first coupler 26, then the off-set carrier 4 is moved so that the other end of the cylinder plate 3 can be fixed to the second coupler 45, and then the first and second connection blocks 12 and 42 are inserted using pins to limit the off-set carrier 4.

Then, the motor 21 is started, the output end of the motor 21 drives the first belt pulley 22 to rotate, the first belt pulley 22 drives the second belt pulley 24 to rotate under the connection of the first belt 23, so that the through shaft 25 rotates, the roller printing plate 3 is driven to rotate at the top of the frame 1, meanwhile, the fourth belt pulley 513 rotates, the third belt pulley 512 rotates under the connection of the second belt 514, so that the reciprocating screw 511 rotates, and the moving block 521 reciprocates on the surface of the reciprocating screw 511.

At the same time, the water pump is started, and the cleaning liquid in the external cleaning tank flows into the cavities of the moving block 521 and the cleaning cylinder 522 through the pipeline, and finally is sprayed to the surface of the rotating cylinder printing plate 3 from the plurality of nozzles 523, so that the purpose of automatically cleaning the cylinder printing plate 3 is realized.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A printing plate cleaning device comprising a frame (1) and a cylinder printing plate (3) mounted on top of the frame (1), characterized in that: the left side of frame (1) is equipped with drive assembly (2) that are used for driving cylinder printing plate (3) pivoted, drive assembly (2) include motor (21), the bottom at frame (1) is fixed to motor (21), the output of motor (21) is fixed with first belt pulley (22), the top of frame (1) is fixed with two first bearing frame (251), two rotate between first bearing frame (251) and be connected with logical axle (25), the one end of logical axle (25) is fixed with second belt pulley (24), the second belt pulley (24) is connected through first belt (23) rotation with the surface of first belt pulley (22), the other end of logical axle (25) is fixed with first shaft coupling (26), the one end and the first shaft coupling (26) fixed connection of cylinder printing plate (3), the right side of frame (1) is equipped with and is used for stabilizing the pivoted off-set axle frame (4) of cylinder printing plate (3), the surface of cylinder (3) is equipped with and is used for washing mechanism (5) of the dirty surface of printing plate (3) of cylinder.

2. A plate cleaning apparatus according to claim 1, wherein: the cleaning mechanism (5) is composed of a transmission assembly (51) and a cleaning assembly (52), the transmission assembly (51) comprises a reciprocating screw rod (511) rotatably connected to the top of the frame (1), a third belt pulley (512) is fixed to the end portion of the reciprocating screw rod (511), a fourth belt pulley (513) is fixed to the surface of the through shaft (25), and the third belt pulley (512) is rotatably connected with the surface of the fourth belt pulley (513) through a second belt (514).

3. A plate cleaning apparatus according to claim 2, wherein: the cleaning assembly (52) comprises a moving block (521), the bottom of the moving block (521) is in threaded connection with a reciprocating screw rod (511), a guide rail (524) is fixed at the top of the frame (1), the end part of the moving block (521) is slidably connected in the guide rail (524), a cleaning cylinder (522) is fixed to the moving block (521) along the length direction of the moving block, the cleaning cylinder (522) is sleeved on the surface of a cylinder printing plate (3), cavities are formed in the cleaning cylinder (522) and the moving block (521), the two cavities are communicated with each other, and a nozzle (523) is fixed to the inner wall of the cleaning cylinder (522), and the nozzle (523) is communicated with the cavities of the cleaning cylinder (522) and the moving block (521).

4. A plate cleaning apparatus according to claim 3, wherein: the number of the nozzles (523) is a plurality, the plurality of the nozzles (523) are circumferentially arrayed on the inner wall of the cleaning cylinder (522), and the end parts of the plurality of the nozzles (523) face the surface of the cylinder printing plate (3).

5. A plate cleaning apparatus according to claim 1, wherein: the bottom of off-axis frame (4) is fixed with slider (41) and second connecting block (42) towards a side of frame (1), the quantity of slider (41) is equipped with two, second connecting block (42) are established between two sliders (41), the bottom of frame (1) is fixed with slide rail (11) and first connecting block (12), the quantity of slide rail (11) is equipped with two, first connecting block (12) are established between two slide rails (11), and two slider (41) respectively with two slide rail (11) sliding connection, the level of second connecting block (42) bottom is higher than the level at first connecting block (12) top, just pass through bolt fixed connection between second connecting block (42) and the first connecting block (12).

6. A plate cleaning apparatus as claimed in claim 5, wherein: the cross section of off-axis frame (4) is L shape, just the bottom of off-axis frame (4) is kept away from a side of frame (1) and is equipped with the strengthening rib, the one end and the vertical direction's of off-axis frame (4) fixed surface of strengthening rib are connected, the other end and the horizontal direction's of off-axis frame (4) fixed surface of strengthening rib are connected, just the bottom rotation of off-axis frame (4) is connected with the gyro wheel.

7. A plate cleaning apparatus as claimed in claim 5, wherein: the top of the eccentric shaft frame (4) is fixedly provided with a second bearing seat (43), the second bearing seat (43) is rotationally connected with a stabilizing shaft (44), the end part of the stabilizing shaft (44) is fixedly provided with a second coupler (45), and the other end of the cylinder printing plate (3) is fixedly connected with the second coupler (45).