WO2019071712A1

WO2019071712A1 - Screen printer and cleaning device thereof

Info

Publication number: WO2019071712A1
Application number: PCT/CN2017/111474
Authority: WO
Inventors: 邱国良; 宋先玖
Original assignee: 东莞市凯格精密机械有限公司
Priority date: 2017-10-11
Filing date: 2017-11-17
Publication date: 2019-04-18
Also published as: CN107685537A

Abstract

The present invention discloses a cleaning device of a screen printer. The cleaning device comprises a cleaning structure and a dropping structure provided above the cleaning structure. The cleaning device further comprises a guide rail, a cleaning fluid container, a nozzle, and a dropping driver. The guide rail is horizontally provided on the dropping structure. The dropping driver drives the nozzle to move along an extension direction of the guide rail. The cleaning fluid container is provided above the dropping structure. An outlet of the cleaning fluid container is provided with a ball valve. An outlet of the ball valve communicates with a solenoid valve by means of a flexible pipe. The solenoid valve communicates with an inlet of the nozzle. A cleaning fluid in the cleaning fluid container flows through the ball valve to the nozzle, and finally drops onto cleaning paper. The ball valve controls a flow rate of the liquid, and the dropping driver controls the nozzle to move along the extension direction of the guide rail, thereby accurately controlling a dropping volume and dropping length of the cleaning fluid, and improving printing quality. The present invention further discloses a screen printer comprising the cleaning device.

Description

Visual printing machine and cleaning device thereof

The present application claims priority to Chinese Patent Application No. 200910941540.3, entitled "Visual Printing Machine and Cleaning Apparatus", which is incorporated herein by reference. .

Technical field

The present invention relates to the field of visual printing, and more particularly to a cleaning device for a visual printer. Furthermore, the invention relates to a visual printer comprising the above described cleaning device.

Background technique

The visual printing machine is suitable for printing on various types of high-precision stencils. The stencil needs to be cleaned during the working process. The existing cleaning device needs to drip the cleaning solution on the cleaning paper, but it cannot accurately control the dripping dose. Causes waste of cleaning agent, or cleaning is not clean, thus affecting the use of visual printing presses.

Therefore, how to provide an automatic cleaning device for accurately controlling the amount of cleaning droplets is a technical problem that those skilled in the art need to solve at present.

Summary of the invention

It is an object of the present invention to provide a cleaning device for a visual printer that can precisely control the amount of cleaning droplets and improve product stability. Another object of the present invention is to provide a visual printer including the above-described cleaning device, which can precisely control the cleaning droplet dripping amount and improve product stability.

In order to solve the above technical problems, the present invention provides a cleaning device for a visual printing machine, comprising a cleaning structure and a drip structure disposed above the cleaning structure, further comprising a guide rail, a cleaning liquid container, a nozzle and a drip driver, The guide rail is horizontally disposed on the drip structure, the drip drive can drive the nozzle to move along the extending direction of the rail, the cleaning liquid container is disposed above the drip structure, and the cleaning liquid container is installed inside There is a level sensor, a ball valve is provided at the outlet of the cleaning liquid container, and an outlet of the ball valve communicates with the inlet of the nozzle through a hose.

Preferably, further comprising a solenoid valve, one end of the hose being connected to an outlet of the ball valve, The other end of the hose communicates with the solenoid valve as an inlet, and the outlet of the solenoid valve communicates with the inlet of the nozzle.

Preferably, a mounting plate movably mounted to the guide rail is further included, and the nozzle and the solenoid valve are mounted to the mounting plate.

Preferably, the drip driver includes a controller and a motor mounted on the mounting plate, the output end of the motor is connected to both ends of the drip structure through a synchronous wheel and a timing belt, and the controller can be The position information of the nozzle controls the start and stop and the direction of rotation of the motor.

Preferably, both ends of the drip structure are provided with a limit sensor for detecting the position of the nozzle.

Preferably, a liquid level sensor is disposed in the cleaning liquid container.

Preferably, the cleaning structure is provided with a lift for lifting the cleaning paper upward.

Preferably, the lifter is in particular a lift cylinder.

Preferably, the cleaning structure is provided at both ends with an electromagnet for sucking the moving beam.

The present invention provides a visual printer comprising a frame and a cleaning device mounted to the frame, the cleaning device being specifically the cleaning device of any of the above.

The invention provides a cleaning device for a visual printing machine, comprising a cleaning structure and a drip structure disposed above the cleaning structure, further comprising a guide rail, a cleaning liquid container, a nozzle and a drip driving device, wherein the guide rail is horizontally disposed on the drip structure, and dripped The driver can drive the nozzle to move along the extending direction of the rail, the cleaning liquid container is disposed above the drip structure, the ball valve is disposed at the outlet of the cleaning liquid container, and the outlet of the ball valve communicates with the inlet of the nozzle through the hose.

The cleaning liquid in the cleaning liquid container flows into the nozzle through the ball valve, and finally drops onto the cleaning paper. The ball valve can control the liquid flow rate and the switch, and can precisely control the cleaning droplet dripping amount and the dripping length, thereby improving product stability.

The present invention also provides a visual printing machine comprising the above cleaning device. Since the cleaning device has the above technical effects, the visual printing machine should have the same technical effects, and will not be described in detail herein.

DRAWINGS

1 is a schematic structural view of a specific embodiment of a cleaning device provided by the present invention;

2 is a schematic structural view of a drip structure according to a specific embodiment of the cleaning device provided by the present invention;

FIG. 3 is a schematic structural view of a cleaning structure in a specific embodiment of the cleaning device provided by the present invention.

Detailed ways

The core of the invention is to provide a cleaning device for a visual printing machine, which can precisely control the cleaning droplet dripping amount and improve product stability. Another core of the present invention is to provide a visual printer including the above-described cleaning device, which can precisely control the cleaning droplet dripping amount and improve product stability.

The present invention will be further described in detail below in conjunction with the drawings and embodiments.

Please refer to FIG. 1 to FIG. 3 . FIG. 1 is a schematic structural view of a specific embodiment of a cleaning device provided by the present invention; FIG. 2 is a structural diagram of a drip structure according to a specific embodiment of the cleaning device provided by the present invention. FIG. 3 is a schematic structural view of a cleaning structure in a specific embodiment of the cleaning device provided by the present invention.

The invention provides a cleaning device for a visual printing machine, comprising a cleaning structure 1 and a drip structure 2 disposed above the cleaning structure 1, and further comprising a guide rail 3, a cleaning liquid container 4, a nozzle 5 and a drip driving device 6, and the guiding rail 3 is horizontal Provided in the drip structure 2, the drip drive 6 can drive the nozzle 5 to move along the extending direction of the guide rail 3, the cleaning liquid container 4 is disposed above the drip structure 2, and the ball valve 7 is disposed at the outlet of the cleaning liquid container 4, the ball valve 7 The outlet communicates with the inlet of the nozzle 5 through a hose 8.

The cleaning liquid in the cleaning liquid container 4 flows into the nozzle 5 through the ball valve 7, and finally dripped onto the cleaning paper. The flow rate and the switch can be controlled by the ball valve 7, and the stroke of the nozzle can be precisely controlled by the guide rail 3 and the drip driving device 6. Clean the droplets to improve the stability of the product.

The utility model further comprises a solenoid valve 9, one end of the hose 8 is connected to the outlet of the ball valve 7, the other end of the hose 8 is connected to the electromagnetic valve 9 as an inlet, and the outlet of the electromagnetic valve 9 is connected to the inlet of the nozzle 5, and the electromagnetic valve 9 can be intelligently and directly controlled. The opening and closing of the nozzle 5 provides multiple guarantees.

In order to facilitate the integrated installation, a mounting plate 10 movably mounted to the guide rail 3 may be provided, and the nozzle 5 and the solenoid valve 9 are mounted to the mounting plate 10. Specifically, the drip driver 6 includes a controller and is mounted on the ampere The motor of the plate 10 is connected to the ends of the drip structure 2 via a synchronizing wheel and a timing belt 11. And the controller can control the start and stop and the rotation direction of the motor according to the position information of the nozzle 5, and drive the synchronous wheel and the timing belt 11, thereby controlling the movement of the mounting plate 10 in the extending direction of the guide rail 3, and finally controlling the nozzle 5 to move. A plurality of electronic component communication connection controllers can be provided, and the controller receives and outputs control signals of different levels, thereby precisely controlling the operation of the motor, so that the movement of the nozzle 5 is not only moved from one end of the guide rail 3 to the other end, but also Stop and reversing at any time, and control the movement speed according to the situation, to achieve automatic and precise control.

In order to achieve precise control, both ends of the drip structure 2 are provided with a limit sensor 12 for detecting the position of the nozzle 5. After detecting that the nozzle 5 is close, the limit sensor 12 can send a signal to the controller to prepare for commutation. A liquid level sensor 13 can also be disposed in the cleaning liquid container 4, which can be a liquid level electric eye, and detects whether the cleaning liquid in the cleaning liquid container 4 is used up. When the alarm is used, the cleaning liquid is added, and it is not necessary to manually observe whether the cleaning liquid is used. It is more intelligent.

In addition to the cleaning apparatus provided in each of the above embodiments, the cleaning structure 1 is provided with a lifter 14 for lifting the cleaning paper upward. The lifter may specifically be a lifting cylinder, or may be hydraulically driven or electrically driven, and a corresponding actuator may be provided, which is within the protection scope of the present invention. And at both ends of the cleaning structure 1, an electromagnet for sucking the moving beam is disposed.

During operation, the cleaning liquid flows downward by gravity, so the cleaning liquid container 4 is installed above the drip structure 2, and the cleaning liquid droplets can be dripped onto the cleaning paper without additional power, and the motor can drive the nozzle 5 along the guide rail 3 The moving and moving track is the cleaning direction of the cleaning paper working surface, that is, the cleaning area of the steel mesh, and the dripping time and the stroke are controlled by the ball valve 7 and the electromagnetic valve 9. After the dripping is completed, it means that the cleaning paper has been added with the cleaning liquid. Then, the electromagnet at one end of the cleaning structure 1 is moved to move the moving beam to the cleaning starting point, and the commutator connected to the air pump controls whether to start the air cleaning, the cylinder solenoid valve controls the lifting cylinder 14 to lift, and lifts the cleaning paper to make the cleaning paper The working surface is attached to the surface of the object to be cleaned, and the electromagnet at the other end of the cleaning structure 1 is moved to move to the cleaning end point. After the cleaning end point, the cylinder solenoid valve controls the lifting cylinder 14 to descend, and then the control of the delivery stepping motor is rotated. Dirty cleaning paper rolls away and finishes cleaning.

In addition to the above-mentioned cleaning device, a specific embodiment of the present invention also provides a visual printing machine including the above-mentioned cleaning device. For the structure of other parts of the visual printing machine, please refer to the prior art, and no further details are provided herein.

The visual printer and its cleaning device provided by the present invention have been described in detail above. The principles and embodiments of the present invention have been described herein with reference to specific examples, and the description of the above embodiments is only to assist in understanding the method of the present invention and its core idea. It should be noted that those skilled in the art can make various modifications and changes to the present invention without departing from the spirit and scope of the invention.

Claims

A cleaning device for a visual printing machine, comprising a cleaning structure (1) and a drip structure (2) disposed above the cleaning structure (1), characterized in that it further comprises a guide rail (3) and a cleaning liquid container (4) a nozzle (5) and a drip drive (6), the rail (3) being horizontally disposed on the drip structure (2), the drip drive (6) being capable of driving the nozzle (5) along The guide rail (3) moves in the extending direction, the cleaning liquid container (4) is disposed above the drip structure (2), and a liquid level sensor 13 is mounted in the cleaning liquid container (4), the cleaning A ball valve (7) is provided at the outlet of the liquid container (4), and the outlet of the ball valve (7) communicates with the inlet of the nozzle (5) through a hose (8).
A cleaning apparatus according to claim 1, further comprising a solenoid valve (9), one end of said hose (8) communicating with an outlet of said ball valve (7), and the other of said hose (8) One end of the solenoid valve (9) is connected to the inlet, and the outlet of the solenoid valve (9) communicates with the inlet of the nozzle (5).
A cleaning apparatus according to claim 2, further comprising a mounting plate (10) movably mounted to said rail (3), said nozzle (5) and said solenoid valve (9) being mounted on said Mounting plate (10).
A cleaning device according to claim 3, wherein said drip drive (6) comprises a controller and a motor mounted to said mounting plate (10), said output of said motor passing through a synchronous wheel and a timing belt (11) connecting both ends of the drip structure (2), and the controller is capable of controlling the start and stop and the rotation direction of the motor according to the position information of the nozzle (5).
A cleaning device according to claim 4, characterized in that both ends of the drip structure (2) are provided with a limit sensor (12) for detecting the position of the nozzle (5).
A cleaning device according to claim 1, characterized in that a liquid level sensor (13) is arranged in the cleaning liquid container (4).
The cleaning device according to any one of claims 1 to 6, characterized in that the cleaning structure (1) is provided with a lifter (14) for lifting the cleaning paper upward.
A cleaning apparatus according to claim 7, wherein said lifter is specifically a lift cylinder.
A cleaning device according to claim 7, wherein said cleaning structure (1) Electromagnets for attracting moving beams are provided at both ends.
A visual printing machine comprising a frame and a cleaning device mounted to the frame, wherein the cleaning device is specifically the cleaning device according to any one of claims 1 to 9.