CN217281146U - Cleaning device for liquid injection port - Google Patents

Abstract

The utility model provides a cleaning device of a liquid injection port, which is used for cleaning the liquid injection port which is pre-plugged with a rubber nail on a battery, and the cleaning device of the liquid injection port comprises a spray head unit and a dust absorption unit; the spray head unit comprises a spray head, and the spray head can spray dry ice to a liquid injection port at a preset position due to triggering; the dust absorption unit is equipped with the bleed-off passageway that is used for communicateing dust absorption chamber and outside negative pressure portion including being located the dust absorption piece that has the dust absorption chamber of annotating liquid mouth top on the dust absorption piece, and dry ice wears through the dust absorption chamber and sprays on annotating the liquid mouth, and the dust absorption piece can be close to annotating the liquid mouth because of triggering, and the foreign matter in the suction dust absorption intracavity. Annotate liquid mouth belt cleaning device, through setting up the shower nozzle unit, to annotating the intraoral dry ice that sprays of liquid, be favorable to wasing notes liquid mouth department and remain electrolyte, through setting up the dust absorption unit moreover, be favorable to wasing the foreign matter that electrolyte produced with the dry ice and clear up, further improve the cleanliness of annotating liquid mouth department to do benefit to the sealed effect that improves sealed nail.

Description

Cleaning device for liquid injection port

Technical Field

The utility model relates to a power battery technical field, in particular to annotate belt cleaning device of liquid mouth.

Background

At present, after the lithium battery is filled with liquid, electrolyte can remain at the position of a liquid filling opening of the battery, and the remaining electrolyte is easy to crystallize, so that welding of a sealing nail in a post process can be influenced, and the welding percent of pass of the sealing nail is low. In the prior art, the liquid injection port is usually cleaned manually. However, manual cleaning takes time and labor, and the cleaning efficiency is low.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention is directed to a cleaning device for a liquid injection port, so as to improve the cleaning efficiency of the liquid injection port for a battery.

In order to achieve the above purpose, the technical scheme of the utility model is realized as follows:

a cleaning device for a liquid injection port is used for cleaning the liquid injection port pre-plugged with a rubber nail on a battery, and comprises a spray head unit and a dust suction unit;

the spray head unit comprises a spray head, and dry ice can be sprayed to the liquid injection port at a preset position by the trigger of the spray head;

the dust absorption unit is including being located annotate the dust absorption piece that has the dust absorption chamber of liquid mouth top, be equipped with on the dust absorption piece and be used for the intercommunication the bleed-off passage of dust absorption chamber and outside negative pressure portion, just the dry ice passes through the dust absorption chamber and spray in annotate liquid mouth department, the dust absorption piece can be close to because of triggering annotate the liquid mouth, and suction the foreign matter of dust absorption intracavity.

Furthermore, an ejection channel for ejecting the dry ice is arranged in the nozzle, and a plurality of flow equalizing parts are arranged in an ejection end of the ejection channel;

the plurality of flow equalizing portions are arranged in a staggered manner in the dry ice ejecting direction.

Further, the air exhaust channel comprises a plurality of first channels annularly arranged on the circumferential direction of the dust suction cavity, and a second channel communicated between the plurality of first channels and the external negative pressure part;

the flow area of at least one first channel is gradually increased along the direction far away from the dust suction cavity.

Further, the dust suction unit also comprises a protection part which is fixedly arranged relative to the dust suction piece;

the protection part can cover the explosion-proof valve of the battery because the dust suction piece is close to the liquid injection port.

Furthermore, the cleaning device of the liquid injection port also comprises a conveying unit and/or a guiding unit;

the conveying unit is used for conveying the battery from an initial position to the preset position;

the guide units are respectively arranged on two sides of the battery and used for guiding the battery in conveying. Further, the conveying unit includes a plurality of conveying rollers that are drivingly rotated, and/or,

the guide unit includes a plurality of guide rollers rotatably provided to the frame in a conveying direction of the battery.

Furthermore, the cleaning device of the liquid injection port also comprises a limiting part positioned on the conveying path;

the limiting part is used for blocking the battery from moving at a preset position.

Furthermore, the batteries are located at a plurality of preset positions, the dust suction units are arranged in a one-to-one correspondence with the batteries, and the spray heads are driven to move above the liquid injection ports on the batteries.

Furthermore, the cleaning device of the liquid injection port also comprises a control unit and a battery detection unit;

the battery detection unit is connected with the control unit and used for detecting the battery and sending detection information to the control unit;

the control unit receives detection information sent by the battery detection unit and triggers the spray head and the dust collection piece.

Furthermore, a plugging detection unit, an alarm unit and/or a temperature detection unit which are respectively connected with the control unit are arranged in the spray head;

the blockage detection unit is used for detecting whether the spray head is blocked or not and sending the detection information to the control unit, and the control unit starts the alarm unit to alarm when the spraying end is blocked;

the temperature detection unit is used for detecting temperature information in the spray head and sending the temperature information to the control unit, and the control unit starts the alarm unit to alarm when the temperature in the spray head exceeds a preset threshold value.

Compared with the prior art, the utility model discloses following advantage has:

annotate liquid mouth belt cleaning device, through setting up the shower nozzle unit, to annotating the intraoral dry ice that sprays of liquid, be favorable to wasing notes liquid mouth department and remain electrolyte, through setting up the dust absorption unit moreover, be favorable to wasing the foreign matter that electrolyte produced with the dry ice and clear up, further improve the cleanliness of annotating liquid mouth department to do benefit to the sealed effect that improves sealed nail.

In addition, through be equipped with a plurality of portions of flow equalizing in the blowout passageway, be favorable to making the dry ice granule evenly distributed in the blowout passageway to improve the cleaning performance to annotating the liquid mouth. A plurality of extraction openings are arranged at intervals in the circumferential direction of the dust suction cavity, and the flow area of the extraction openings is gradually increased along the direction far away from the dust suction cavity, so that the dust suction effect is favorably improved. The dust collection unit is internally provided with the protection part, so that the explosion-proof valve for better protecting the battery is facilitated. The guide unit is advantageous for guiding the battery during transportation, so that the stability of the battery during transportation can be improved. The conveying unit is set as a conveying roller, the guide unit is set as a guide roller, and the conveying roller is simple in structure and convenient to design and implement.

In addition, the limiting part is favorable for blocking the movement of the battery, so that the battery can stay at the preset position. The arrangement of a plurality of batteries is favorable for improving the cleaning efficiency of the cleaning device to the batteries. Through setting up battery detecting element, be favorable to the better position of confirming the battery. Whether the nozzle is blocked or not can be known through arranging the blocking detection unit and the alarm unit in the nozzle, so that the nozzle can be timely treated.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

FIG. 1 is a schematic structural view of a cleaning device for a liquid injection port according to an embodiment of the present invention;

FIG. 2 is a partial plan view of a cleaning device for a liquid pouring port according to an embodiment of the present invention;

FIG. 3 is a schematic view of a positional relationship between a nozzle unit and a dust suction unit according to an embodiment of the present invention;

fig. 4 is a schematic view of an internal structure of a showerhead according to an embodiment of the present invention;

fig. 5 is a schematic view of a structure of a dust suction unit according to an embodiment of the present invention.

Description of the reference numerals:

1. a battery;

2. a spray head; 201. a discharge channel; 2011. a spraying end; 2012. a current equalizing section; 202. a plugging detection unit; 203. a temperature detection unit; 204. fixing a sleeve;

3. a dust suction unit; 301. a dust collection member; 3011. a dust suction chamber; 3012. an air extraction channel; 30121. a first channel; 30122. a second channel; 302. a protective part;

4. a conveying roller;

5. a guide roller;

6. a frame; 601. mounting a plate;

7. a limiting part; 701. a limiting rod; 702. a limiting cylinder; 703. a connecting rod;

8. a moving module;

9. a battery detection unit;

10. pressing down the air cylinder; 1001. and (5) pressing the plate downwards.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it should be noted that, if terms indicating orientation or positional relationship such as "upper", "lower", "inner", "back", etc. appear, they are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the appearances of the terms first, second, etc. in this specification are not necessarily all referring to the same item, but are instead intended to cover the same item.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

The embodiment relates to a cleaning device of a liquid injection port, which is used for cleaning the liquid injection port pre-plugged with a rubber nail on a battery 1, and comprises a spray head unit and a dust collection unit 3; the spray head unit comprises a spray head 2, and the spray head 2 can spray dry ice to a liquid injection port at a preset position due to triggering. The dust collection unit 3 comprises a dust collection piece 301 which is positioned above the liquid injection port and is provided with a dust collection cavity 3011, an air suction channel 3012 used for communicating the dust collection cavity 3011 with an external negative pressure portion is arranged on the dust collection piece 301, dry ice penetrates through the dust collection cavity 3011 and is sprayed on the liquid injection port, and the dust collection piece 301 can be close to the liquid injection port due to triggering and sucks away foreign matters in the dust collection cavity 3011.

The notes liquid mouth belt cleaning device of this embodiment through setting up the shower nozzle unit, sprays the dry ice in to annotating the liquid mouth, is favorable to wasing notes liquid mouth department and remains electrolyte, through setting up dust absorption unit 3, is favorable to wasing the foreign matter that electrolyte produced with the dry ice moreover and clears up, further improves the cleanliness of annotating liquid mouth department to do benefit to the sealed effect that improves sealed nail.

Based on the above overall description, an exemplary structure of the liquid pouring port cleaning device of the present embodiment is shown in fig. 1 and 2, in which the above-described dust suction unit 3 is located below the head unit, and both the head unit and the dust suction unit 3 are located above the liquid pouring port of the battery 1 in the preset position. As a preferred embodiment, as shown in fig. 3 and 4, the above-mentioned nozzle head 2 has an ejection passage 201 for ejecting dry ice therein, and a plurality of flow equalizing portions 2012 are provided in the ejection passage 201. And the blowout end 2011 of blowout passageway 201 enlarges the setting gradually, and blowout end 2011 is located to a plurality of portions 2012 that flow equalize for from the dry ice granule of blowout passageway 201 spun, can be even spray to annotating liquid notch department.

In order to make the dry ice particles dispersed more uniformly, in this embodiment, the flow equalizing portions 2012 are arranged in a staggered manner in the dry ice ejecting direction, so as to improve the effect of dispersing the dry ice particles. The cross section of the flow equalizing part 2012 can be triangular as shown in fig. 4, so that the dry ice sprayed at the top of the flow equalizing part 2012 is divided into two parts and then is sprayed out through the spraying end 2011. The plurality of flow equalizing parts 2012 staggered in the height direction are beneficial to the dry ice after flow equalizing to flow equalizing for a plurality of times. Of course, the cross-sectional shape of the flow straightener 2012 may be other geometric shapes that facilitate flow splitting in addition to being triangular.

It should be noted that, in this embodiment, the principle of cleaning the electrolyte at the liquid injection port of the battery 1 with dry ice is that the dry ice particles are in collision contact with the crystallized electrolyte, the dry ice particles are instantaneously and slightly exploded and sublimated into gas, and the strong blast impact and the thermal expansion and cold contraction effect of stains strip the crystallized electrolyte from the surface of the battery 1 rapidly and form a gas-liquid mixture to sublimate, so that the crystallized electrolyte is cleaned, and the pollutants at the liquid injection port of the battery 1 are removed.

In specific implementation, the tank body stored with dry ice and compressed air is communicated with the spray head 2, and a first control valve is arranged between the tank body and the spray head 2. When the first control valve is triggered to open, the compressed air can transport the dry ice into the blasting head 2 and be ejected through the blasting head 2.

In one embodiment, the compressed air pressure is in the range of 0.1 to 0.65 MPa. For example, the pressure may be 0.1MPa, 0.3MPa, 0.6MPa or 0.65 MPa. The particle size of the dry ice is preferably 0.3 to 3mm, for example 0.3mm, 1mm, 2mm or 3 mm. The dry ice flow is preferably 0.05 to 0.5Kg/min, for example 0.05Kg/min, 0.1Kg/min, 0.2Kg/min, 0.3Kg/min or 0.4 Kg/min. The dry ice is ejected at intervals of 0.1 to 2 seconds, for example at intervals of 0.1s, 0.5s, 1s, 1.5s or 2 s. The action area of the dry ice spray, namely the diameter of the spray is 8-20 mm. For example 8mm, 10mm, 15mm or 20 mm.

Specifically, the dust suction cavity 3011 is arranged to penetrate through the dust suction piece 301 and is located above the liquid injection port, so as to facilitate the extraction of mixed foreign matters generated by dry ice and electrolyte. The air suction passage 3012 includes a plurality of first passages 30121 arranged around the circumference of the dust suction cavity 3011, and a second passage 30122 communicating between the plurality of first passages 30121 and the external negative pressure portion.

As shown in fig. 5, the plurality of first channels 30121 are uniformly located in the circumferential direction of the dust suction cavity 3011, one end of the second channel 30122 is communicated with the plurality of first channels 30121, and the other end of the second channel 30122 is used for being connected with the external negative pressure portion, so that a passage is formed between the external negative pressure portion and the dust suction cavity 3011, which is beneficial to dust suction at the liquid injection port of the battery 1. In addition, in order to further improve the dust collection efficiency of the dust collection member 301, the first passages 30121 are arranged at intervals along the axial direction of the dust collection cavity 3011.

In addition, to improve the dust suction effect, the flow area of at least one of the first passages 30121 is gradually increased along a direction away from the dust suction cavity 3011. Referring to fig. 5, in this embodiment, the flow area of each first channel 30121 is gradually increased along a direction away from the dust suction cavity 3011, so that the dust suction strength at the connection position between the first channel 30121 and the dust suction cavity 3011 is increased, and the dust removal effect can be further improved.

The external negative pressure portion in this embodiment may adopt an air pump mature in the prior art, and the second channel 30122 is provided with a second control valve, so that when the second control valve is triggered to open, the air in the dust suction cavity 3011 can be driven to be exhausted via the air exhaust channel 3012 under the action of the air pump.

In order to effectively protect the battery 1 during the dust suction process, in the present embodiment, as shown in fig. 1 and 3, the dust suction unit 3 further includes a protection portion 302 fixedly provided with respect to the dust suction member 301, and the protection portion 302 can cover the explosion-proof valve of the battery 1 because the dust suction member 301 is close to the liquid injection port.

In a specific structure, the dust suction member 301 is mounted on the upper surface of a lower pressing plate 1001 located above the battery 1 at a predetermined position, and a through hole is formed in the lower pressing plate 1001 in correspondence to the dust suction cavity 3011. The protection portion 302 is a protection protrusion located on the lower surface of the lower pressure plate 1001, and is provided corresponding to the explosion-proof valve. The cleaning device in this embodiment further includes a pressing cylinder 10, and a power output end of the pressing cylinder 10 is connected to the pressing plate 1001 through a rod body so as to be triggered to drive the pressing plate 1001 to move up and down.

The cleaning device in this embodiment further includes a conveying unit for conveying the battery 1 from the initial position to a predetermined position, and/or a guiding unit provided on both sides of the battery 1 for guiding the battery 1 being conveyed.

Specifically, referring to fig. 1 and 2, the battery 1 is placed on the chassis 6, and the head unit and the dust suction unit 3 are located above the battery 1. The conveying unit in this embodiment includes a plurality of conveying rollers 4 drivingly rotatably provided on a frame 6, and the guide unit includes a plurality of guide rollers 5 rotatably provided on the frame 6 in the conveying direction of the battery 1. Wherein the axial direction of each conveying roller 4 is arranged in parallel with the width direction of the frame 6 so as to drive the battery 1 to move along the length direction of the frame 6 in the process of rotation.

A plurality of conveying rollers 4 can be outward still around being equipped with the drive belt, link to each other with one of them conveying roller 4 through the motor, can drive a plurality of conveying roller 4 synchronous rotation, and the axial of a plurality of guide rolls 5 is then parallel with the direction of height of frame 6, at the in-process that battery 1 carried, can contact a plurality of guide rolls 5 that are located both sides and order about guide roll 5 and rotate to do benefit to and reduce the frictional force of battery 1 in the transport. Simultaneously, a plurality of guide rolls 5 of battery 1 both sides can lead to battery 1 in carrying, do benefit to battery 1 and carry the position that annotates the liquid mouth when predetermineeing the position and also satisfy predetermined requirement, and then do benefit to and improve the cleaning performance.

In the present embodiment, the conveying unit and the guide unit are provided at the same time to form a conveying path for the battery 1, and the conveying unit or the guide unit may be provided separately. The structure of the conveying section is not limited to the conveying roller 4 shown in the figure, and the structure of the guide section is not limited to the guide roller 5 alone, and other structures may be adopted, and the arrangement may be made according to actual circumstances.

In the present embodiment, the positional accuracy of the battery 1 is improved in the process of conveying the battery 1. The cleaning device for the liquid injection port further comprises a limiting part 7 positioned on the conveying path, and the limiting part 7 is used for blocking the battery 1 from moving at a preset position. As a preferred embodiment, as shown in fig. 1 and 2, the structure of the limiting portion 7 includes a limiting rod 701 extending along the width direction of the rack 6, and limiting cylinders 702 are respectively provided at the top of the rack 6 corresponding to both ends of the limiting rod 701, and the power output end of each limiting cylinder 702 is connected to the corresponding end of the limiting rod 701 via a connecting rod 703 so as to drive the limiting rod 701 to move up and down when being triggered, thereby blocking one side of the battery 1 conveyed to the preset position. It can be understood that the limiting rod 701 in this embodiment can move along the width direction of the frame 6 in addition to the up-and-down movement, and at this time, the blocking of the battery 1 during transportation can also be realized.

In addition, in order to improve the cleaning efficiency of the batch of batteries 1, in the embodiment, the batteries 1 are located at a plurality of preset positions, the dust suction units 3 are arranged in one-to-one correspondence with the batteries 1, and the spray head 2 is driven to move above the liquid injection port on each battery 1. With this arrangement, the plurality of batteries 1 located at the initial positions can be moved synchronously under the action of the conveying rollers 4, and are limited and blocked by the limiting rods 701 at the preset positions, and each battery 1 is kept at the preset position. The ability to move the spray head 2 over the liquid injection port on each battery 1 is advantageous in improving the cleaning efficiency.

In specific implementation, a plurality of battery cells are arranged on the conveying roller 4 at intervals along the width direction of the rack 6. The frame 6 is provided with a moving module 8, the moving module 8 can adopt an air cylinder in the prior art, and the power output end of the air cylinder is connected with the spray head 2. And when the movable module 8 is triggered, the spray head 2 can be driven to reciprocate along the width direction of the rack 6, and then the cleaning of each liquid injection port is realized. In order to improve the stability of the spray head 2 in movement, a slide rail for guiding the spray head 2 to slide may be further provided on the top of the frame 6.

In order to further improve the automatic effect of cleaning the liquid filling port, the cleaning device for the liquid filling port further comprises a control unit and a battery detection unit 9, wherein the battery detection unit 9 is connected with the control unit and used for detecting the battery 1 and sending detection information to the control unit. The control unit receives the detection information sent by the battery detection unit 9 and triggers the spray head 2 and the dust suction piece 301 to clean the liquid injection port of the battery 1. The control unit in this embodiment may be a PLC controller that is well known in the art.

In this embodiment, in order to facilitate the installation of the battery detection unit 9, the installation plates 601 extending in the longitudinal direction of the rack 6 are respectively provided on both sides of the rack 6 in the width direction. The battery detection unit 9 includes a laser correlation sensor provided on each mounting board 601. The laser beam sensor is disposed on the transport path of the battery 1 so that the battery 1 can be detected.

As an embodiment, as shown in fig. 1 and 2, the battery detection unit 9 is provided on the mounting plate 601 with respect to the stopper. When the battery detection unit 9 detects the battery 1, it will send detection information to the control unit, at this time, the control unit times through its own timing module, and when the counted length reaches the preset length, it indicates that the battery 1 moves to the preset position. The control unit is connected with the limiting cylinder 702, the moving module 8, the motor, the first control valve and the second control valve. The control unit activates the push cylinder 10 to move the push plate 1001 downward until the protection portion 302 covers the explosion-proof valve.

Meanwhile, the control unit triggers the motor to drive the battery 1 to convey, and the control unit also triggers the limiting cylinder 702 to drive the limiting rod 701 to move downwards and block one side of the battery 1 at a preset position. When the battery 1 reaches the preset position, the control unit can send a trigger signal to the motor to stop the rotation of the conveying roller 4, so that the battery core is kept at the preset position. And the control unit also triggers the first control valve and the second control valve, so that the spray nozzle 2 sprays dry ice to the liquid injection port, and the dust suction piece 301 sucks dust.

In this embodiment, in order to detect the state of the nozzle 2 in time, the nozzle 2 is provided with a plugging detection unit 202 and an alarm unit, which are connected to the control unit, respectively, and/or a temperature detection unit 203. The plugging detection unit 202 is configured to detect whether the nozzle 2 is plugged or not, and send detection information to the control unit, and the control unit starts the alarm unit to alarm when the ejection end 2011 is plugged. The temperature detection unit 203 is used for detecting temperature information in the spray head 2 and sending the temperature information to the control unit, and the control unit starts the alarm unit to alarm when the temperature in the spray head 2 exceeds a preset threshold value.

Specifically, as shown in fig. 4, the occlusion detection unit 202 is provided on each of both sides of the port of the ejection port 2011 of the ejection channel 201. In order to facilitate the installation of the plugging detection unit 202, a fixing sleeve 204 is sleeved at the bottom end of the nozzle 2, and the plugging detection unit 202 herein may specifically adopt two laser correlation sensors oppositely arranged in the fixing sleeve 204. The alarm unit can adopt an alarm mature in the prior art. When the ejection end 2011 is plugged, the plugging detection unit 202 sends information to the control unit, and the control unit can trigger the alarm unit to alarm, so that a worker can be warned to take measures.

Meanwhile, as shown in fig. 4, the temperature detection unit 203 is disposed on the side of the nozzle 2, and can detect the temperature in the ejection channel 201 in time, so as to determine the blocking condition of the dry ice, and further reflect whether the dry ice is blocked in the nozzle 2, and the temperature detection unit is matched with the blocking detection unit 202, so that more accurate detection information is provided. The temperature detection unit 203 can adopt a temperature sensor in the prior art, and the product is mature and has high detection precision.

Specifically, a threshold value of the temperature is prestored in the control unit, and after the temperature detection unit 203 transmits the detected temperature information to the control unit, the control unit can compare the temperature with the threshold value of the temperature, and when the detected temperature is higher than the threshold value of the temperature, it indicates that the head 2 is blocked. At this time, the control unit can also start the alarm unit to make the alarm unit give an alarm. In order to further improve the safety of the cleaning device, the first control valve and the second control valve can be triggered to be closed through the control unit when the spray head 2 is blocked.

In this embodiment, the blocking detection unit 202, the alarm unit and the temperature detection unit 203 are provided at the same time, so that the blocking condition of the dry ice can be detected more accurately. Of course, only the occlusion detection unit 202 and the alarm unit may be provided, or only the temperature detection unit 203 may be provided, which is not further limited herein.

When the cleaning device in the embodiment is used, the battery 1 is firstly placed on the conveying roller 4, when the battery detection unit 9 detects the battery 1, detection information is sent to the control unit, the control unit respectively sends trigger signals, and the motor drives the conveying roller 4 to rotate so as to convey the battery 1. The stopper cylinder 702 drives the stopper rod 701 to move downward to be stopped at one side of the battery 1 moved to the predetermined position, and then the motor stops rotating. The pressing cylinder 10 drives the pressing plate 1001 to drive the dust removing part to move downwards to the place, the first control valve and the second control valve are opened, the spray head 2 sprays dry ice to the liquid injection port, and the dust collecting part 301 sucks foreign matters in the dust collecting cavity 3011 until the cleaning of the liquid injection port is completed.

Under the trigger of the control unit, the first control valve and the second control valve are closed, the pressing cylinder 10 drives the pressing plate 1001 to move upwards, the limiting rod 701 is driven by the limiting cylinder 702 to move upwards, the motor is restarted, the cleaned battery 1 is conveyed continuously, and finally the cleaned battery 1 is taken down from the rack 6.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The utility model provides a annotate belt cleaning device of liquid mouth for wash on battery (1) fill in advance the notes liquid mouth that has the glued membrane nail, its characterized in that:

the cleaning device of the liquid injection port comprises a spray head unit and a dust suction unit (3);

the spray head unit comprises a spray head (2), and dry ice can be sprayed to the liquid injection port at a preset position by the spray head (2) due to triggering;

dust absorption unit (3) are including being located annotate dust absorption piece (301) that has dust absorption chamber (3011) of liquid mouth top, be equipped with on dust absorption piece (301) and be used for the intercommunication suction chamber (3011) and outside negative pressure portion bleed passageway (3012), just dry ice wears to warp suction chamber (3011) and spray in annotate liquid mouth department, dust absorption piece (301) can be close to because of triggering annotate the liquid mouth, and suction foreign matter in dust absorption chamber (3011).

2. The cleaning device for a pouring outlet according to claim 1, characterized in that:

an ejection channel (201) for ejecting the dry ice is arranged in the spray head (2), and a plurality of flow equalizing parts (2012) are arranged in an ejection end (2011) of the ejection channel (201);

the plurality of flow equalizing sections (2012) are arranged alternately in the dry ice ejecting direction.

3. The cleaning device for a pouring outlet according to claim 1, characterized in that:

the air suction channel (3012) comprises a plurality of first channels (30121) arranged on the circumferential direction of the dust suction cavity (3011) in a surrounding mode, and second channels (30122) communicated between the first channels (30121) and the external negative pressure portion;

the flow area of at least one of the first channels (30121) is gradually increased along the direction far away from the dust suction cavity (3011).

4. The cleaning device for the pouring outlet according to claim 1, characterized in that:

the dust suction unit (3) further comprises a protective part (302) which is fixedly arranged relative to the dust suction piece (301);

the protection part (302) can cover the explosion-proof valve of the battery (1) because the dust suction piece (301) is close to the liquid injection port.

5. The cleaning device for a pouring outlet according to claim 1, characterized in that:

the cleaning device of the liquid injection port further comprises a conveying unit and/or a guiding unit;

the conveying unit is used for conveying the battery (1) from an initial position to the preset position;

the guiding units are respectively arranged on two sides of the battery (1) and used for guiding the battery (1) in conveying.

6. The cleaning device for the pouring outlet according to claim 5, characterized in that:

the conveying unit comprises a plurality of conveying rollers (4) which are driven to rotate, and/or,

the guide unit includes a plurality of guide rollers (5) that rotate in the conveying direction of the battery (1).

7. The cleaning device for the pouring outlet according to claim 5, characterized in that:

the cleaning device of the liquid injection port also comprises a limiting part (7) positioned on the conveying path;

the limiting part (7) is used for blocking the battery (1) from moving at a preset position.

8. The cleaning device for a pouring outlet according to claim 1, characterized in that:

the battery (1) is located in a plurality of preset positions, the dust collection unit (3) is arranged in a plurality of one-to-one correspondence with the battery (1), and the spray head (2) is driven to move above the liquid injection port on each battery (1).

9. The cleaning device for the pouring outlet according to claim 2, characterized in that:

the cleaning device of the liquid injection port further comprises a control unit and a battery detection unit (9);

the battery detection unit (9) is connected with the control unit and used for detecting the battery (1) and sending detection information to the control unit;

the control unit receives detection information sent by the battery detection unit (9) and triggers the spray head (2) and the dust suction piece (301).

10. The cleaning device for the pouring outlet according to claim 9, characterized in that:

a plugging detection unit (202), an alarm unit and/or a temperature detection unit (203) which are respectively connected with the control unit are arranged in the spray head (2);

the blockage detection unit (202) is used for detecting whether the spray head (2) is blocked or not and sending the detection information to the control unit, and the control unit starts the alarm unit to alarm when the spray end (2011) is blocked;

the temperature detection unit (203) is used for detecting temperature information in the spray head (2) and sending the temperature information to the control unit, and the control unit starts the alarm unit to alarm when the temperature in the spray head (2) exceeds a preset threshold value.

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