CN115625979A - Cleaning and dry-proof protection device for spray head of ink-jet printer - Google Patents

Abstract

The invention discloses a cleaning and dry-proof protection device of an ink-jet printer nozzle, which comprises a moisturizing body arranged on one side of a printer, wherein an accommodating cavity for accommodating the printer nozzle is formed in the moisturizing body; wherein, still include one and be used for driving the body of moisturizing to make the printer shower nozzle stretch into the holding chamber bottom and with the elevating system of sponge conflict that absorbs water. By adopting the technical scheme, under the action of atmospheric pressure, the water-absorbing sponge is always in a wet state, so that the printing head is always in a wet environment, and the phenomenon of 'choke plug' is effectively avoided.

Description

Cleaning and dry-proof protection device for spray head of ink-jet printer

Technical Field

The invention relates to the field of printers, in particular to an ink-jet printer, and particularly relates to a cleaning and dry-proof protection device for a spray head of the ink-jet printer.

Background

Users who use the ink-jet printer remember the information as new, and when the printer is left unused for a period of time, the phenomenon of the printer's ' plug ' will appear, which usually shows that faults such as broken lines, missing colors, blurred writing, even abnormal printing, etc. often appear. If the repair is not timely carried out, normal work and study are influenced; secondly, permanent 'plugs' can be formed after a long time, and the printer head cannot be repaired and is scrapped. The reason for causing the 'choke plug' of the ink-jet printer is generally caused by the fact that the ink concentration is increased and air-dried because the printing head is not tightly sealed and exposed in the air after being normally printed and returned; or the water is excessively evaporated after the ink is placed for a long time, so that ink particles are dried at the tip of the fine printing head, and the ink cannot be normally sprayed.

Disclosure of Invention

In order to solve the technical problem of the 'plug' of the ink-jet printer, the invention provides a cleaning and anti-drying protection device for a spray head of the ink-jet printer, and when the printer does not work, a printing head of the ink-jet printer is always in a moisturizing and sealing state, so that the 'plug' phenomenon is effectively avoided.

The technical scheme adopted by the invention for solving the technical problem is as follows:

the cleaning and dry-proof protection device comprises a moisturizing body arranged on one side of a printer, wherein an accommodating cavity for accommodating the printer nozzle is formed in the moisturizing body, a water-absorbing sponge is placed at the bottom of the accommodating cavity, at least one side of the moisturizing body is provided with an inner wall structure and an outer wall structure, a liquid cavity which is used for accommodating moisturizing liquid and is of a sealing structure is formed between the inner wall and the outer wall, a connecting through hole communicated with the accommodating cavity is formed below the liquid cavity, and the moisturizing liquid can enter the accommodating cavity through the connecting through hole; wherein, still include one and be used for driving the body of moisturizing to make the printer shower nozzle stretch into the holding chamber bottom and with the elevating system of sponge conflict that absorbs water.

Due to the adoption of the technical scheme, when the printer does not work, the printing head of the printer returns to one side of the printer, and the lifting mechanism drives the moisturizing body to move towards the direction of the printing head until the printing head extends into the bottom of the accommodating cavity and is abutted against the water absorbing sponge; because the liquid cavity is communicated with the containing cavity, according to the principle of atmospheric pressure, when water in the water absorption sponge is volatilized, the communicating hole is exposed out of the liquid surface, and outside air can enter the liquid cavity through the communicating hole. At that time, under the action that the atmospheric pressure in the liquid cavity is greater than the external atmospheric pressure, the moisturizing liquid in the liquid cavity flows into the accommodating cavity. When the moisture-preserving liquid level seals the communicating hole, external air cannot enter the liquid cavity, when the pressure in the liquid cavity is equal to the external atmospheric pressure, the moisture-preserving liquid in the liquid cavity cannot flow out under the action of the atmospheric pressure, and when the communicating hole is exposed out of the liquid level again, liquid can be automatically added into the accommodating cavity according to the principle. The water absorption sponge is always in a wet state, so that the printing head is always in a wet environment, and the phenomenon of 'end cap' is effectively avoided.

In order to better realize the purpose of the invention, the invention also has the following better technical scheme:

in some embodiments, in order to better clean the residual substances on the printing head, cleaning parts for cleaning the printing head are arranged on the side of the moisturizing body close to the printing head, and the cleaning parts can be flexible scrapers or cleaning cloths or cleaning cotton.

In some embodiments, the lifting mechanism may be a pneumatic ram, a hydraulic ram, or an electric ram, depending on design requirements and cost of different manufacturers.

In some embodiments, in order to avoid that the printing head cannot be normally reset or not in place reset due to sudden power failure, and the printing head cannot accurately extend into the accommodating cavity, the detection driving mechanism for starting the lifting mechanism to work after detecting the nozzle of the printer is further arranged. Detect actuating mechanism including being used for detecting whether the print nozzle moves the sensor of holding chamber top and be connected the controlling means who is used for controlling elevating system with moisturizing body jacking with sensor and elevating system electricity.

In some embodiments, in order to effectively avoid the phenomenon of dry choke plug caused by long-term exposure of the printing head in the air and avoid too fast volatilization of the moisturizing liquid, the invention also provides a sealing ring which is used for abutting against the outer surface of the spray head of the printer and isolating the outside air at the periphery of the inner wall of the accommodating cavity.

In some embodiments, the moisturizing body is provided with a liquid injection hole communicated with the liquid chamber, and the liquid injection hole is plugged or screwed with a plug for plugging the liquid injection hole.

Drawings

FIG. 1 is a schematic structural view of a cleaning and dry-proof protection device for a nozzle of an inkjet printer according to the present invention;

FIG. 2 is a schematic cross-sectional view of a cleaning and dry-proof protection device for a nozzle of an ink jet printer;

reference numerals:

1. a moisturizing body; 11. an accommodating cavity; 12. a liquid chamber; 13. a connecting hole; 2. a seal ring; 3. a water-absorbing sponge; 4. a lifting mechanism; 5. a cleaning section; 6. and (7) a plug.

Detailed Description

The present invention will be described in further detail with reference to examples.

Referring to fig. 1 to 2, the invention provides a cleaning and dry-proof protection device for a nozzle of an ink-jet printer, which comprises a moisture preservation body 1 arranged on one side of the printer, wherein an accommodating cavity 11 for accommodating the nozzle of the printer is formed in the moisture preservation body 1, a sealing ring 2 which is abutted against the outer surface of the nozzle of the printer and used for isolating the outside air is arranged on the periphery of the upper part of the inner wall of the accommodating cavity 11, and a water absorption sponge 3 is arranged at the bottom of the accommodating cavity 11. One side or a plurality of sides of the moisturizing body 1 or even the whole body has an inner wall structure and an outer wall structure, a liquid cavity 12 which is used for containing moisturizing liquid and is of a sealing structure is formed between the inner wall and the outer wall, a communicating hole 13 communicated with the containing cavity 11 is formed below the liquid cavity 12, and the moisturizing liquid can enter the containing cavity 11 through the communicating hole 13; wherein, still include one and be used for driving the body 1 of moisturizing to make the printer shower nozzle stretch into the holding chamber 11 bottom and with the elevating system 4 that absorbs water sponge 3 contradicts, can be according to factors such as the design requirement of different producers and cost, elevating system 4 can select pneumatic push rod, hydraulic push rod, electric putter. In order to better clean the residual substances on the printing head, cleaning parts 5 for cleaning the printing head are arranged on the side, close to the printing head, of the moisturizing body 1, and the cleaning parts 5 can be flexible scrapers or cleaning cloths or cleaning cotton. In order to avoid beating printer head normal playback or playback not in place because of meetting the outage suddenly, lead to beating printer head unable accuracy and stretch into holding chamber 11, this application has still set up a detection actuating mechanism who detects 4 work of actuating elevating system behind the print head. This detect actuating mechanism is including being used for detecting the sensor that prints the shower nozzle and whether remove holding chamber 11 top and be connected with sensor and 4 electricity of elevating system and be used for controlling elevating system 4 with the controlling means of the jacking of body of moisturizing, feedback information gives controlling means after the sensor detects holding chamber 11 top and has the shower nozzle of printing, controlling means just controls elevating system 4 with the jacking of body of moisturizing and make print the shower nozzle and put into and hold chamber 11, wherein, the sensor is infrared sensor or color mark sensor, controlling means is PLC controller or industrial computer for the little control machine.

The moisturizing body 1 is provided with a liquid injection hole communicated with the liquid cavity 12, moisturizing liquid can be injected into the liquid cavity 12 through the liquid injection hole, the liquid injection hole is connected with a plug 6 in an inserted or threaded mode, and the plug 6 plugs the liquid injection hole to enable the liquid cavity 12 to form a closed cavity.

Due to the adoption of the technical scheme, when the printer does not work, the printing head of the printer returns to one side of the printer, and the lifting mechanism 4 drives the moisturizing body 1 to move towards the direction of the printing head until the printing head extends into the bottom of the accommodating cavity 11 and is abutted against the water absorbing sponge 3, and as the communicating hole 13 communicated with the accommodating cavity 11 is formed below the liquid cavity 12, moisturizing liquid can enter the accommodating cavity 11 through the communicating hole 13 and be adsorbed by the water absorbing sponge 3; because the liquid chamber 12 is communicated with the containing chamber 11, according to the principle of atmospheric pressure, when the water in the water absorption sponge 3 is volatilized and the communicating hole 13 is exposed out of the liquid surface, the external air can enter the liquid chamber 12 through the communicating hole 13. At this time, under the action that the atmospheric pressure in the liquid chamber 12 is higher than the external atmospheric pressure, the moisturizing liquid in the liquid chamber 12 flows into the accommodating chamber 11. When the moisture-preserving liquid level seals the communicating hole 13, the outside air can not enter the liquid cavity 12, the moisture-preserving liquid in the liquid cavity 12 can not flow out under the action of atmospheric pressure, and when the communicating hole 13 is exposed out of the liquid level again, the liquid can be automatically added into the accommodating cavity 11 according to the principle. The water absorption sponge 3 is always in a wet state, so that the printing head is always in a wet environment, and the phenomenon of 'choke plug' is effectively avoided.

What has been described above are merely some of the embodiments of the present invention. It will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention.

Claims (8)

1. The utility model provides a clean and prevent dry protection device of inkjet printer shower nozzle which characterized in that: the ink cartridge comprises a moisturizing body arranged on one side of a printer, wherein an accommodating cavity for accommodating a printer nozzle is formed in the moisturizing body, a water-absorbing sponge is placed at the bottom of the accommodating cavity, at least one side of the moisturizing body is provided with an inner wall structure and an outer wall structure, a liquid cavity which is used for accommodating moisturizing liquid and is of a sealing structure is formed between the inner wall and the outer wall, a communicating hole communicated with the accommodating cavity is formed below the liquid cavity, and the moisturizing liquid can enter the accommodating cavity through the communicating hole; wherein, still include one and be used for driving the body of moisturizing to make the printer shower nozzle stretch into the holding chamber bottom and with the elevating system of sponge conflict that absorbs water.

2. The device of claim 1, wherein the device comprises: the moisturizing body is provided with a cleaning part for cleaning the printer nozzle on one side close to the printer nozzle.

3. The device of claim 1 or 2, wherein the device comprises: the lifting mechanism is a pneumatic push rod, a hydraulic push rod or an electric push rod.

4. The apparatus of claim 2, wherein the cleaning and dry-proof protection device comprises: the cleaning part is a flexible scraper or cleaning cloth or cleaning cotton.

5. The apparatus of claim 3, wherein the cleaning and dry-proof protection device comprises: the device also comprises a detection driving mechanism for starting the lifting mechanism to work after detecting the printer nozzle.

6. The apparatus of claim 5, wherein the cleaning and dry-proof protection device comprises: the detection driving mechanism comprises a sensor used for detecting whether the printing nozzle moves to the upper part of the accommodating cavity and a control device which is electrically connected with the sensor and the lifting mechanism and used for controlling the lifting mechanism to lift the moisturizing body.

7. The device of claim 1 or 2, wherein the device comprises: and a sealing ring which is used for being abutted against the outer surface of the printer nozzle to isolate the external air is arranged on the periphery of the inner wall of the accommodating cavity.

8. The device of claim 1 or 2, wherein the device comprises: the moisturizing body is provided with a liquid injection hole communicated with the liquid cavity, and the liquid injection hole is connected with a plug for plugging the liquid injection hole in an inserting mode or in a threaded mode.

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