Ultrasonic printing machine roller cleaning device

Abstract

The utility model discloses an ultrasonic printing machine roller cleaning device which comprises a supporting plate, a first rotating mechanism, a supporting column, a lifting seat, a first lifting mechanism, a mounting shaft and a second rotating mechanism, the supporting plate is fixedly connected with a printing machine, the supporting column is rotationally connected to the upper side of the supporting plate, and the lifting seat is connected to the supporting column in an up-down sliding mode. The middle of the mounting shaft is horizontally and rotatably connected with the lifting seat and is driven by a second rotating mechanism, rollers are mounted at the two ends of the mounting shaft, paper of the printing machine passes through the lower side of one roller, and the moving direction of the paper is perpendicular to the mounting shaft; the water tank is arranged below the other roller, the second lifting mechanism can drive the water tank to move up and down, cleaning liquid is arranged in the water tank, and the ultrasonic generator is installed in the water tank. The utility model provides a roller cleaning device of an ultrasonic printing machine. Cleaning liquid is prevented from dripping on paper.

Description

TECHNICAL FIELD

[0001] The utility model relates to printing machine technical field especially relates to a ultrasonic printing machine cylinder cleaning device. BACKGROUND

[0002] The cylinder, short for impression cylinder, is an important part of the printing machine, which is related to the printing quality. In actual printing operation, the cylinder needs to be cleaned regularly. The existing cylinder cleaning device, as shown in the patent with the application number CN201921221676.8, includes a pneumatic cylinder, a cleaning bin, a spray gun and a scraper. During cleaning, the pneumatic cylinder drives the cleaning bin, the spray gun and the scraper to approach the cylinder to clean it. After cleaning is completed, the pneumatic cylinder retracts, and the cleaning bin, the spray gun and the scraper move away from the cylinder. Although the above-mentioned cylinder cleaning device can achieve the effect of cleaning without disassembling the cylinder, it is installed on the front side of the cylinder. When the paper passes under the cylinder, the water droplets on the cylinder cleaning device are likely to drop onto the paper, affecting printing. SUMMARY

[0003] The utility model discloses to solve the shortcoming that the water droplets on the existing cylinder cleaning device are likely to drop onto the paper, affecting printing, and proposes a ultrasonic printing machine cylinder cleaning device to prevent the cleaning liquid from dripping on the paper.

[0004] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0005] A ultrasonic printing machine cylinder cleaning device, including support plate, first rotation mechanism, support column, lifting seat, first lifting mechanism, installation shaft and second rotation mechanism, support plate and printing machine fixed connection, support column rotation is connected on the upper side of support plate, is driven by first rotation mechanism, lifting seat up and down sliding connection is established in support column, is driven by first lifting mechanism, installation shaft middle part and lifting seat horizontal rotation is connected, is driven by second rotation mechanism, the both ends of installation shaft install cylinder, the paper of printing machine passes from one cylinder lower side, the movement direction of paper and installation shaft are perpendicular, the cylinder cleaning device still includes cleaning mechanism, and the cleaning mechanism includes water tank, second lifting mechanism and ultrasonic generator, water tank sets up below another cylinder, second lifting mechanism can drive water tank up and down movement, water tank is provided with cleaning liquid, and ultrasonic generator is installed in water tank.

[0006] Through the above-mentioned setting, first, the cleaning mechanism is set on the side of paper, and the cleaning liquid in the cleaning mechanism will not drop onto the paper. Second, the cleaning of the cylinder does not require disassembling the cylinder, which is more labor-saving. In addition, the other standby cylinder can continue to print on the paper, shortening the printing interruption time.

[0007] Furthermore, the cleaning mechanism also includes a connecting rod, a connecting plate, and a sponge. The connecting plate is fixedly connected to the top of the water tank via the connecting rod, and the sponge is installed on the connecting plate. The cleaning mechanism has a cleaning state, a wiping state, and an offline state. In the cleaning state, the sponge is located above the roller and is detached from the roller, with the lower side of the roller located in the water tank. In the wiping state, the lower side of the roller is located outside the water tank, and the sponge is in contact with the roller. In the offline state, the sponge is located below the roller and is detached from the roller.

[0008] The above settings make it easy to dry the roller after washing.

[0009] Furthermore, the roller cleaning device also includes a positioning mechanism, which includes a turntable and a cylinder. The turntable is horizontally fixedly connected to the lower end of the support column. V-shaped grooves are provided on opposite sides of the turntable. The cylinder is fixedly connected to the support plate. The front end of the cylinder's output shaft is V-shaped and matches the V-shaped groove. The front end of the cylinder's output shaft is inserted into one of the V-shaped grooves.

[0010] With the above settings, the positioning mechanism positions the roller to prevent it from tilting.

[0011] Furthermore, the support column is provided with a vertically extending guide groove, and the lifting seat is slidably connected in the guide groove.

[0012] The above settings improve the stability of the lifting seat movement.

[0013] Furthermore, the second rotating mechanism includes a bracket, a drive wheel, and a motor. The bracket is fixedly connected to the upper side of the support plate, and the drive wheel is rotatably connected to the upper end of the bracket and driven by the motor. One end of the mounting shaft abuts against the upper side of the drive wheel.

[0014] With the above setup, the motor drives the mounting shaft to rotate via the drive wheel.

[0015] Furthermore, the two ends of the mounting shaft are textured.

[0016] The above settings increase the friction between the mounting shaft and the drive wheel.

[0017] Furthermore, the cleaning mechanism also includes an inlet pipe, an outlet pipe, a water pump, and a solenoid valve. One end of the inlet pipe and the outlet pipe are connected to a water tank, the solenoid valve is installed on the outlet pipe, and the water pump is connected to the inlet pipe.

[0018] The above settings make it easy to update the cleaning solution in the water tank. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of a drum cleaning apparatus according to an embodiment.

[0020] Figure 2 This is a side view of the roller moving upwards in an embodiment.

[0021] Figure 3 The plan view of the support column rotation for the embodiment.

[0022] Figure 4 The shaft side view of the drum cleaning device for the embodiment.

[0023] Figure 5 The schematic view of the cleaning mechanism in the water wiping state for the embodiment. DETAILED DESCRIPTION

[0024] The technical scheme of the utility model will be further specifically explained below by taking examples and in conjunction with the drawings.

[0025] As Figures 1 to 5 An ultrasonic printing machine drum cleaning device, comprising a support plate 3, a first rotation mechanism 4, a support column 5, a lifting seat 6, a first lifting mechanism 7, a mounting shaft 8 and a second rotation mechanism 9, the support plate 3 is fixedly connected with the printing machine, the support column 5 is rotationally connected on the upper side of the support plate 3 and is driven by the first rotation mechanism 4, the lifting seat 6 is slidingly connected on the support column 5 and is driven by the first lifting mechanism 7, the mounting shaft 8 is rotationally connected with the lifting seat 6 at the middle part and is driven by the second rotation mechanism 9, the mounting shaft 8 is provided with a drum 10 at both ends, the paper 11 of the printing machine passes from the lower side of one of the drums 10, the movement direction of the paper 11 is perpendicular to the mounting shaft 8, and the drum cleaning device further comprises a cleaning mechanism, the cleaning mechanism comprises a water tank 12, a second lifting mechanism 13 and an ultrasonic generator (not shown in the figure), the water tank 12 is arranged below the other drum 10, the second lifting mechanism 13 can drive the water tank 12 to move up and down, the water tank 12 is provided with cleaning liquid, and the ultrasonic generator is mounted in the water tank 12.

[0026] Through the above arrangement, first, the cleaning mechanism is arranged on the side of the paper 11, and the cleaning liquid in the cleaning mechanism will not drip onto the paper 11; second, the cleaning drum 10 does not need to disassemble the drum 10, which is more labor-saving, and the other standby drum 10 can continue to print on the paper 11, thereby shortening the printing interruption time.

[0027] The support plate 3 of the present application is horizontally fixedly mounted on the side of the printing machine, the support column 5 is vertically rotationally connected on the upper side of the support plate 3, the mounting shaft 8 penetrates through the lifting seat 6 and is rotationally connected with the lifting seat 6, the drum 10 is provided with two, is sleeved on both ends of the mounting shaft 8 and is locked, one of the drums 10 is arranged above the paper 11, when the second rotation mechanism 9 drives the mounting shaft 8 to rotate, the drum 10 rotates with the mounting shaft 8, the upper side of the drum on the upper side of the paper is provided with a coating device, the coating device uniformly coats the coating on the drum, the drum prints the coating on the paper 11, and the other clean drum 10 serves as a standby drum 10 and idles at the other end of the mounting shaft 8, such as Figure 1When the roller 10 needs to be cleaned, the printing machine stops, the paper 11 stops moving, the second rotating mechanism 9 stops, the mounting shaft 8 stops, the first lifting mechanism 7 drives the lifting seat 6 to move upwards, the mounting shaft 8 and the roller 10 move upwards with the lifting seat 6, and the roller 10 separates from the paper 11 upwards, as shown in Figure 2 The first rotating mechanism 4 drives the support column 5 to rotate by 180 degrees, the positions of the two rollers 10 are exchanged, the clean roller 10 moves above the paper 11, and the roller 10 to be cleaned moves above the water tank 12, as shown in Figure 3 The first lifting mechanism 7 drives the lifting seat 6 to move downwards, the lower side of the roller 10 contacts the paper 11, and then the second rotating mechanism 9 and the printing machine are restarted, the mounting shaft 8 and the roller 10 continue to run with the paper 11, and the printing machine is restarted; on the other hand, the second lifting mechanism 13 drives the water tank 12 to move upwards, the lower side of the roller 10 to be cleaned is immersed in the cleaning liquid in the water tank 12, the ultrasonic generator emits ultrasonic waves into the cleaning liquid, the ink on the roller 10 is dissolved in the cleaning liquid, the roller 10 is cleaned, the mounting shaft 8 rotates the roller 10, the water tank 12 cleans the roller 10 by 360 degrees, after the cleaning is completed, the second lifting mechanism 13 drives the water tank 12 to move downwards, the roller 10 separates from the water tank 12, and then the roller 10 is naturally dried for the next printing.

[0028] As an implementation manner, the cleaning mechanism further comprises a connecting rod 14, a connecting plate 15 and a sponge 16, the connecting plate 15 is fixedly connected above the water tank 12 through the connecting rod 14, and the sponge 16 is installed on the connecting plate 15. The cleaning mechanism has a cleaning state, a wiping state and an offline state. In the cleaning state, the sponge 16 is located above the roller 10 and separated from the roller 10, and the lower side of the roller 10 is located in the water tank 12. In the wiping state, the lower side of the roller 10 is located outside the water tank 12, and the sponge 16 contacts the roller 10. In the offline state, the sponge 16 is located below the roller 10 and separated from the roller 10.

[0029] Through the above arrangement, the roller 10 after cleaning can be conveniently wiped dry.

[0030] The connecting rod 14 is vertically fixedly connected to one side of the water tank 12, the middle part of the connecting plate 15 is fixedly connected to the upper end of the connecting rod 14, the connecting plate 15 is horizontal to the mounting shaft 8, and the length of the connecting plate 15 and the sponge 16 is greater than the length of the roller 10, so that the length of the sponge 16 can cover the entire roller 10. In the cleaning state, as shown in Figure 4 , the sponge 16 is located above the roller 10, the lower side of the roller 10 is immersed in the cleaning liquid, and the cleaning liquid dissolves the ink on the roller 10. After the roller 10 is cleaned, the second lifting mechanism 13 drives the water tank 12 to move downwards, the water tank 12 separates from the roller 10, the sponge 16 moves downwards synchronously with the water tank 12, contacts the roller 10, wipes the cleaning liquid on the surface of the roller 10, and the cleaning mechanism is in the wiping state, as shown in Figure 5 ; and in the offline state, as shown inFigure 1 , the second lifting mechanism 13 continues to drive the sink 12 to move downward, the sponge 16 has the characteristic of easy deformation, the sponge 16 moves downward with the sink 12 and the connecting plate 15, the roller 10 extrudes the sponge 16, and when the sponge 16 moves to the lower side of the roller 10, the sponge 16 restores, like Figure 1 , the cleaning mechanism switches to the offline state.

[0031] As an implementation manner, the roller cleaning device further comprises a positioning mechanism, the positioning mechanism comprises a turntable 17 and a cylinder 18, the turntable 17 is fixedly connected to the lower end of the support column 5, V-shaped grooves 19 are arranged on the opposite sides of the turntable 17, the cylinder 18 is fixedly connected to the support plate 3, the front end of the output shaft of the cylinder 18 is V-shaped and matched with the V-shaped grooves 19, and the front end of the output shaft of the cylinder 18 is inserted into one of the V-shaped grooves 19.

[0032] Through the above arrangement, the positioning mechanism positions the roller 10 to prevent the roller 10 from tilting.

[0033] The turntable 17 of the present application is a circular structure, the lower end of the support column 5 is fixedly connected to the center of the turntable 17, the V-shaped grooves 19 are arranged in two and symmetrically arranged on the opposite sides of the turntable 17, the front end of the output shaft of the cylinder 18 is inserted into one of the V-shaped grooves 19, the rotation of the support shaft is prevented, and the stability of the rotation of the roller 10 is improved, and the output shaft of the cylinder 18 plays the role of a positioning pin, at this time, the roller 10 is perpendicular to the movement direction of the paper 11, the roller 10 stably prints the paper 11, in addition, the first rotating mechanism 4 specifically adopts a motor structure, when the roller 10 needs to be cleaned, the output shaft of the cylinder 18 is retracted and pulled out of the V-shaped groove 19, like Figure 3 , the first rotating mechanism 4 drives the turntable 17 and the support column 5 to rotate by 180 degrees, the other V-shaped groove 19 is arranged to face the cylinder 18, the V-shaped groove 19 is V-shaped and has a guiding effect, for example, if the rotation angle of the turntable 17 deviates, for example, the turntable 17 rotates by 179 degrees, when the front end of the output shaft of the cylinder 18 is inserted into the V-shaped groove 19, the output shaft continues to push the turntable 17 to rotate forward by 1 degree, so that the turntable 17 and the support column 5 strictly rotate by 180 degrees, and the roller 10 above the paper 11 is strictly perpendicular to the movement direction of the paper 11.

[0034] As an implementation manner, the support column 5 is provided with a vertically extending guide groove 20, and the lifting seat 6 is slidingly connected in the guide groove 20.

[0035] Through the above arrangement, the stability of the movement of the lifting seat 6 is improved.

[0036] The guide groove 20 of the present application is rectangular, the width of the guide groove 20 is matched with the width of the lifting seat 6, the left and right movement of the lifting seat 6 is prevented, and the lifting seat 6 can only move up and down in the guide groove 20.

[0037] As an implementation form, the second rotating mechanism 9 comprises a support 91, a driving wheel 92 and a motor 93. The support 91 is fixedly connected to the upper side of the support plate 3. The driving wheel 92 is rotatably connected to the upper end of the support 91 and is driven by the motor 93. One end of the mounting shaft 8 abuts against the upper side of the driving wheel 92.

[0038] Through the above arrangement, the motor 93 drives the mounting shaft 8 to rotate through the driving wheel 92.

[0039] As an implementation form, the two ends of the mounting shaft 8 are provided with a thread. Figure 1 When printing, the upper side of the driving wheel 92 abuts against the lower side of the end of the mounting shaft 8. When the motor 93 drives the driving wheel 92 to rotate, the driving wheel 92 drives the mounting shaft 8 to rotate under the action of friction.

[0040] As an implementation form, the two ends of the mounting shaft 8 are provided with a thread.

[0041] Through the above arrangement, the friction between the mounting shaft 8 and the driving wheel 92 is increased.

[0042] As an implementation form, the cleaning mechanism further comprises an inlet pipe 21, an outlet pipe 22, a water pump (not shown in the figure) and an electromagnetic valve (not shown in the figure). One end of the inlet pipe 21 and the outlet pipe 22 is connected to the water tank 12. The electromagnetic valve is installed on the outlet pipe 22. The water pump is connected to the inlet pipe 21.

[0043] Through the above arrangement, it is convenient to update the cleaning liquid in the water tank 12.

[0044] Specifically, when updating the cleaning liquid, the electromagnetic valve is opened. The cleaning liquid in the water tank is drained outward through the outlet pipe 22. The water pump pumps new cleaning liquid into the water tank.

[0045] It should be understood that those skilled in the art can make improvements or changes according to the above description, and all these improvements and changes shall belong to the protection scope of the appended claims of the utility model.

Claims

1. An ultrasonic printing press cylinder cleaning apparatus, characterized by, The cylinder cleaning device further comprises a positioning mechanism, the positioning mechanism comprises a rotating disc and a pneumatic cylinder, the rotating disc is horizontally fixedly connected to the lower end of the support column, opposite sides of the rotating disc are provided with V-shaped grooves, the pneumatic cylinder is fixedly connected to the support plate, a front end of an output shaft of the pneumatic cylinder is V-shaped and is matched with the V-shaped grooves, and the front end of the output shaft of the pneumatic cylinder is inserted into one of the V-shaped grooves.

2. An ultrasonic printing cylinder cleaning device according to claim 1, wherein, The support column is provided with a vertically extending guide groove, and the lifting seat is slidingly connected in the guide groove.

3. An ultrasonic printing cylinder cleaning device as claimed in claim 2, characterized in that The second rotating mechanism comprises a support, a driving wheel and a motor, the support is fixedly connected to the upper side of the support plate, the driving wheel is rotatably connected to the upper end of the support, and the driving wheel is driven by the motor.

4. An ultrasonic printing cylinder cleaning device as claimed in claim 1, wherein, The two ends of the mounting shaft are provided with a pattern.

5. An ultrasonic printing cylinder cleaning device as claimed in claim 1, wherein, The cleaning mechanism further comprises a liquid inlet pipe, a liquid outlet pipe, a water pump and an electromagnetic valve, one end of the liquid inlet pipe and the liquid outlet pipe is connected with the water tank, the electromagnetic valve is mounted on the liquid outlet pipe, and the water pump is connected with the liquid inlet pipe.

6. An ultrasonic printer cylinder cleaning device as defined in claim 1, wherein, The cleaning mechanism further comprises a connecting rod, a connecting plate and a sponge, the connecting plate is fixedly connected above the water tank through the connecting rod, the sponge is mounted on the connecting plate, and the cleaning mechanism has a cleaning state, a water wiping state and an offline state.

7. An ultrasonic printing cylinder cleaning device as claimed in claim 1, wherein, ​

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