CN210161766U

CN210161766U - Cleaning device for digital printing machine

Info

Publication number: CN210161766U
Application number: CN201920420361.XU
Authority: CN
Inventors: 陈小恩
Original assignee: Suzhou Xier Digital Technology Co ltd
Current assignee: Suzhou Xier Digital Technology Co ltd
Priority date: 2019-03-29
Filing date: 2019-03-29
Publication date: 2020-03-20
Anticipated expiration: 2029-03-29

Abstract

The utility model discloses a cleaning device that digital printing machine was used, including the air knife main part, the inside cavity that is equipped with of air knife main part, air knife main part bottom be equipped with the air jet of cavity intercommunication, the cavity is connected to high pressurized air source through the trachea. The utility model discloses a cleaning device that digital printing machine was used can utilize high-pressure draught to form the air knife. The digital printing machine moves the spray head to the air knife during the jet printing operation, and the spray head of the digital printing machine is regularly cleaned by high-pressure air flow, so that foreign matters adhered to the spray head are removed, the cleanness of the spray nozzle is ensured, the jet printing quality is improved, and the digital printing machine can be used for jet printing of short-fiber textiles such as wool fabrics.

Description

Cleaning device for digital printing machine

Technical Field

The utility model belongs to the technical field of digital printing machine technique and specifically relates to a cleaning device that digital printing machine was used.

Background

According to the market demand, the characters or patterns, such as trademarks or cartoon patterns, need to be printed on the cloth of clothes and the like. With the increasing demands of people on living quality, cloth also faces a great challenge. Firstly, traditional stamp mode can produce a large amount of sewage, needs to spend a large amount of costs to handle sewage, if sewage treatment is unqualified, still can cause serious environmental protection problem. Secondly, with the pursuit of individuation of people, people also require more and more varieties for fancy varieties of the textile machines, even designs and colors are customized according to the requirements of consumers, and the traditional printing technology cannot adapt to the requirements due to high plate making cost. Thirdly, the traditional printing technology has complex processes from design, plate making to printing, long period and can not adapt to the requirements of the change speed of the patterns and the like. Therefore, the conventional printing technology has not been able to satisfy the high demands of consumers. And the digital textile printing machine meets the current requirements. The digital textile printing machine breaks through the bottleneck brought by the traditional printing mode.

The digital printing machine does not use the traditional printing mode any more, is better and organically combined with the computer synthesis with higher technical content and the automatic control technology, can very accurately align the area and the position to be printed, and avoids the problem of position deviation encountered by manual printing. Because it is once only to carry out polychrome printing, also can not have the problem of chromatography counterpoint. The patterns printed on the cloth by the digital textile printing machine are bright in color, rich in hierarchy and very good in visual effect.

When the digital printing machine is used for jet printing on cloth woven by wool and other short fiber raw materials, the short fibers are easy to fall off, the fallen short fibers are easy to adhere to a spray head under the action of static electricity, and a certain humidity is generated near the spray head, so that the wool and the like are adhered to the spray head more firmly by water vapor and are difficult to clean. If manually cleaned by a person, shutdown is required, which affects efficiency. If the cleaning interval is long, wool and the like can be tightly adhered to the spray head and cannot be cleaned, and the spray head can be blocked by serious people to cause the rejection of the spray head; if the cleaning interval is short, frequent shutdown is needed, and normal production is seriously influenced. Therefore, the digital printing machine in the prior art can not be used for jet printing of short-fiber textiles such as wool fabrics.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a cleaning device that digital printing machine was used can clear away the foreign matter that adheres on the shower nozzle, guarantees that the shower nozzle is clean to make digital printing machine can be used for the stamp operation of short-staple goods such as wool fabric.

In order to solve the technical problem, the utility model provides a cleaning device that digital printing machine was used, including the air knife main part, the inside cavity that is equipped with of air knife main part, air knife main part bottom be equipped with the air jet of cavity intercommunication, the cavity is connected to high pressurized air source through the trachea.

Further, the air injection port is slit-shaped.

Further, the air ejection port is composed of a plurality of circular holes arranged in a straight line.

Further, the high-pressure air source is an air pump or a high-pressure air storage tank.

Furthermore, a valve is arranged on the air pipe, a sensor is arranged on one side of the air knife body, and the valve and the sensor are respectively connected to a controller.

Furthermore, a branch pipe is connected to the air pipe and is connected to a steam source, and an acute angle is formed between the branch pipe and the gas source direction of the air pipe.

Further, the air knife body is arranged at the end part or the position close to the end part of a spray head rail on the digital printing machine, and the air knife body is higher than the spray head; the gas orifices face a surface of the showerhead having nozzles.

Further, a collecting box is arranged below the air knife body.

Further, the collecting box is lower than the height of the spray head.

Further, the collecting box is in a net shape.

The utility model discloses a cleaning device that digital printing machine was used can utilize high-pressure draught to form the air knife. The digital printing machine moves the spray head to the air knife during the jet printing operation, and the spray head of the digital printing machine is regularly cleaned by high-pressure air flow, so that foreign matters adhered to the spray head are removed, the cleanness of the spray nozzle is ensured, the jet printing quality is improved, and the digital printing machine can be used for jet printing of short-fiber textiles such as wool fabrics.

Drawings

Fig. 1 is a schematic structural view of an embodiment of a cleaning device for a digital printing machine according to the present invention.

Fig. 2 is a schematic structural view of another embodiment of the cleaning device for the digital printing machine of the present invention.

Figure 3 is a schematic view of a first embodiment of an air nozzle of the air knife body of the present invention.

Figure 4 is a schematic view of a second embodiment of the gas injection port of the body of the middle gas knife of the present invention.

In the figure: 1. the air knife comprises an air knife body, 2 joints, 3 spray heads, 4 collecting boxes, 5 valves, 6 controllers, 7 sensors, 8 branch pipes, 9 air pipes, 10 air nozzles and 11 round holes.

Detailed Description

The present invention is further described with reference to the following drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.

As shown in fig. 1, the utility model discloses an embodiment of cleaning device for digital printing machine, including air knife main part 1, the inside cavity that is equipped with of air knife main part 1, air knife main part 1 bottom is equipped with the air jet with the cavity intercommunication, is provided with the joint 2 with the cavity intercommunication on the air knife main part 1, and joint 2 is connected with trachea 9, makes the cavity be connected to high pressurized air source through trachea 9. The air knife main body 1 is arranged at the end part of a spray head track on the digital printing machine or at a position close to the end part, and the air knife main body 1 is higher than the spray head 3; the gas injection ports face the surface of the showerhead 3 having the nozzles.

The high-pressure air source can be an air pump or a high-pressure air storage tank. The gas in the high-pressure gas source enters the cavity of the air knife body 1 through the gas pipe 9 and then is ejected at high speed through the gas nozzle at the bottom of the air knife body 1 to form the air knife. The digital printing machine moves the spray head 3 to the air knife in the jet printing process, the spray head 3 of the digital printing machine is regularly cleaned by high-pressure air flow, foreign matters adhered to the spray head 3 are removed, the cleanness of a spray nozzle is ensured, the jet printing quality is improved, and the digital printing machine can be used for jet printing of short-fiber textiles such as wool fabrics.

In the embodiment shown in fig. 3, the gas injection port 10 is slit-shaped. The air flow ejected by the slit-shaped air nozzle 10 is flat, which is more beneficial to cleaning the spray head and can save air source. Alternatively, as in the embodiment shown in fig. 4, the air ejection port may be composed of a plurality of circular holes 11 arranged in a straight line. The air current of round hole 11 spun is cylindrical, but the cylindrical air current in a row still makes up into the platykurtic on the whole to because the diffusion effect around the air current direction, after certain distance, adjacent round hole 11 spun air current can mix together, finally forms complete platykurtic high-speed air current, and can not have the gap, can clean totally without omission equally.

In the embodiment of the cleaning device shown in fig. 2, the view angle of the embodiment is equivalent to the left view of the embodiment shown in fig. 1, but the nozzle and other components are not shown in fig. 2, and other components are added. Specifically, fig. 2 shows a gas pipe 9, a valve 5 is provided on the gas pipe 9, a sensor 7 is further provided on one side of the gas knife body 1, and the valve 5 and the sensor 7 are respectively connected to a controller 6.

When the digital printing machine is used, the control system of the digital printing machine can control the spray head not to move to the cleaning device in the normal printing process, but the spray head is controlled to extend the stroke to move to the cleaning device every certain time or after preset stroke times, the sensor 7 sends a signal to the controller 6 after detecting the spray head, the controller 6 controls the valve 5 to open, and the air jet of the air knife main body 1 sprays air flow to complete cleaning. The advantage of this mode is that shower nozzle 3 need not all move to cleaning device department every stroke, and the stroke is shorter relatively, spouts seal efficiently.

In addition, the cleaning device can be arranged at a position as close to the selvedge as possible, the control system of the digital printing machine controls the spray head 3 to move to the cleaning device every time the jet printing is carried out, the sensor 7 counts after detecting the spray head 3, a signal is sent to the controller 6 after the count reaches a preset value, the controller 6 controls the valve 5 to be opened, and the air jet of the air knife main body 1 ejects air flow to complete cleaning. Of course, the counting operation can also be performed by the controller. Of course, the function of the controller can be integrated into the control system of the digital printing machine, and the position information of the spray head can be directly obtained without arranging a sensor.

In the process of jet printing operation of a digital printing machine, in order to ensure the jet printing effect, the operation environment is usually required to maintain a certain humidity, and the whole indoor environment is adjusted to the required humidity in the prior art. However, this humidity is generally relatively high, which makes the operator quite uncomfortable, especially in the hot summer, where the hot working environment can cause intolerable pain to the operator.

The utility model discloses in can adjust high pressurized air source's air into certain humidity, make it by air knife main part blowout back, form the microenvironment that a humidity satisfies the requirement near digital printing machine's shower nozzle, and need not improve the temperature of whole indoor environment, can save the consumption of water, improved operation workman's comfort level again greatly.

In addition, as shown in the embodiment of fig. 2, the present invention can further connect a branch pipe 8 to the air pipe 9, the branch pipe 8 is connected to the steam source, and an acute angle is formed between the branch pipe 8 and the air source direction of the air pipe 9. The branch pipe 8 and the air pipe 9 form a jet structure, air in the air pipe 9 flows at a high speed, the pressure of the air is reduced, and a pressure difference is formed between the air and the gas in the branch pipe 8, so that the gas in the branch pipe 8 is guided into the air knife body 1 and enters the air knife body 1 together to be sprayed out. Since the branch pipe 8 is connected to a steam source, the gas therein contains water vapor, and thus the humidity of the air in the vicinity of the shower head can also be adjusted.

As shown in fig. 1, a collecting box 4 is disposed below the air knife body to collect the foreign matters blown from the nozzle 3 by the air flow, so as to prevent the foreign matters from flying to other places. The collecting box 4 should be generally lower than the height of the spraying head 3, and is preferably in a net shape which allows air to pass but prevents foreign materials such as wool from passing, thereby leaving the wool or the like in the collecting box 4.

The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutes or changes made by the technical personnel in the technical field on the basis of the utility model are all within the protection scope of the utility model. The protection scope of the present invention is subject to the claims.

Claims

1. The cleaning device for the digital printing machine is characterized by comprising an air knife main body, wherein a cavity is arranged in the air knife main body, an air nozzle communicated with the cavity is arranged at the bottom of the air knife main body, and the cavity is connected to a high-pressure air source through an air pipe.

2. The cleaning apparatus for digital printing machine as claimed in claim 1, wherein said air jet opening is slit-shaped.

3. The cleaning apparatus for digital printing machine as claimed in claim 1, wherein said air jet port is composed of a plurality of circular holes arranged in a straight line.

4. The cleaning apparatus for digital printing machine according to claim 1, wherein said high pressure air source is an air pump or a high pressure air tank.

5. The cleaning apparatus for digital printing machine according to claim 1, wherein the air pipe is provided with a valve, and a sensor is provided at one side of the air knife body, and the valve and the sensor are respectively connected to a controller.

6. The cleaning apparatus for digital printing machine as claimed in claim 1, wherein a branch pipe is connected to the air pipe, the branch pipe is connected to the steam source, and the branch pipe forms an acute angle with the gas source direction of the air pipe.

7. The cleaning apparatus for digital printing machine according to claim 1, wherein the air knife body is installed at or near an end of a nozzle rail of the digital printing machine, and the air knife body is higher than the nozzle; the gas orifices face a surface of the showerhead having nozzles.

8. The cleaning apparatus for digital printing machine according to claim 7, wherein a collecting box is provided under the air knife body.

9. The cleaning apparatus for digital printing machine as claimed in claim 8, wherein said collecting box is lower than the height of said nozzle.

10. The cleaning apparatus for digital printing machine as claimed in claim 8, wherein said collecting case is formed in a net shape.