CN116130816A - Battery liquid drainage equipment - Google Patents

Abstract

The invention provides a battery liquid draining device, which comprises an input conveying line; outputting a transport line; the nitrogen filling assembly and the liquid pumping assembly are fixed on the support frame and are connected with the puncture assembly, the nitrogen filling assembly is used for blowing nitrogen into the interior of the battery on the bearing surface through the puncture assembly, and the liquid pumping assembly is used for pumping electrolyte of the battery on the bearing surface through the puncture assembly. According to the invention, when the electrolyte in the battery is discharged, air is prevented from entering the battery, explosion is avoided, and the safe discharge of the electrolyte in the battery is realized.

Description

Battery liquid drainage equipment

Technical Field

The invention relates to the technical field of battery recycling, in particular to battery liquid draining equipment.

Background

Along with the popularization of new energy sources by the nation, the lithium battery industry rapidly develops, the application of the lithium battery is more and more extensive, and the generation technology of the lithium battery is also increasingly perfect. The interior of the lithium battery contains harmful substances, such as being directly discarded after use, which may cause damage to the environment. Therefore, lithium batteries are generally recovered after their use. For example, a battery in a new energy automobile can be recovered and disassembled, and recyclable materials in a lithium battery can be collected.

Electrolyte in lithium batteries contains a large number of free electrons, and explosion easily occurs in the disassembly process, and is generally treated in a quantitative manner: 1. discharging; discharging the battery to zero the electric quantity in the battery, however, the discharging process of the battery is quite long, and on the premise of ensuring the safety of the subsequent cutting operation, the discharging process usually needs ten hours, so that the whole disassembling process is too long, and the whole disassembling efficiency is too low; 2. the electrolyte is discharged and recovered and then the battery is disassembled, and the electrolyte is discharged through the holes on the battery, so that the mode is fast in speed and high in efficiency.

The second approach is generally adopted at present, but the following problems still remain: during the discharge of the electrolyte, air may enter the battery and contact the electrolyte remaining in the battery, and explosion may occur.

Disclosure of Invention

In view of the above, it is necessary to provide a battery liquid discharging apparatus capable of preventing air from entering the inside of a battery during the discharge of an electrolyte.

The invention provides a battery liquid draining device, comprising:

inputting a transport line;

outputting a transport line;

the nitrogen filling assembly is used for blowing nitrogen into the inner drum of the battery on the bearing surface through the puncture assembly, and the liquid pumping assembly is used for pumping electrolyte of the battery on the bearing surface through the puncture assembly.

Optionally, the puncture assembly includes puncture stroke hydro-cylinder, support plate and a plurality of pjncture needle, puncture stroke hydro-cylinder's active end with the support plate is fixed, the pjncture needle is fixed on the support plate orientation the face of support assembly, puncture stroke hydro-cylinder's active end is flexible can promote the pjncture needle is close to or keep away from the support assembly, part the pjncture needle with nitrogen gas filling assembly intercommunication, part the pjncture needle with the drawing liquid subassembly intercommunication.

Optionally, the nitrogen filling assembly comprises a nitrogen tank and an air pump, wherein an air inlet end of the air pump is communicated with the nitrogen tank, and an air outlet end of the air pump is communicated with a part of the puncture needles.

Optionally, the liquid drawing component comprises a liquid drawing pump and an electrolyte collecting tank, wherein the liquid inlet end of the liquid drawing pump is communicated with part of the pricking pin, and the liquid outlet end of the liquid drawing pump is communicated with the electrolyte collecting tank.

Optionally, the liquid discharging mechanism further comprises a pushing component, the pushing component comprises a pushing cylinder and a pushing plate, the pushing cylinder is fixed on one side, far away from the output conveying line, of the bearing component, the pushing plate is fixed with the movable end of the pushing cylinder, and the movable end of the pushing cylinder can stretch and retract in the direction towards the output conveying line.

Optionally, the support frame includes bottom plate, well plywood, upper strata board and stand, the stand is worn to locate in proper order by low to high the bottom plate that the level set up well plywood and upper strata board, bear the weight of the subassembly setting in on the well plywood, puncture the subassembly nitrogen gas filling subassembly and the drawing liquid subassembly is fixed on the upper strata board.

Optionally, the bearing assembly includes loading board and two lift cylinders, set up on the loading board with battery assorted recess, the lift cylinder is fixed on the bottom plate and with loading board length direction's both ends are articulated, the through-hole has been seted up on the intermediate lamella, the loading board inlays and locates in the through-hole, two the expansion end of lift cylinder can be respectively relative the bottom plate goes up and down.

Optionally, the emergency treatment cylinder is fixed on the bottom plate and is located below the bearing plate, flame-retardant liquid is filled in the emergency treatment cylinder, and movable ends of the two lifting cylinders can respectively lift relative to the bottom plate so that the bearing assembly inclines towards the emergency treatment cylinder.

Optionally, the input transportation line includes input support, transportation roller, belt and input driving piece, the input support is fixed subaerial reliably, transportation roller rotatable setting is in on the input support, the belt cover is established on the transportation roller, input driving piece with transportation roller transmission is connected.

Optionally, the output transportation line includes output support, output roller, output belt and output driver, output support is fixed subaerial reliably, output roller rotatable setting is in on the output support, output belt cover is established on the output roller, output driver with output roller transmission is connected.

The beneficial effects of the invention are as follows:

the invention provides battery liquid draining equipment, which is provided with a puncture assembly, a nitrogen filling assembly and a liquid pumping assembly, wherein the puncture assembly at least has a puncture state of puncturing a battery, the nitrogen filling assembly and the liquid pumping assembly are connected with the puncture assembly, the nitrogen filling assembly blows nitrogen into the battery on a bearing surface through the puncture assembly, the liquid pumping assembly extracts electrolyte of the battery on the bearing surface through the puncture assembly, and the electrolyte in the battery is discharged, and meanwhile, air is prevented from entering the battery, so that the condition of explosion is avoided, and the safe discharge of the electrolyte in the battery is realized.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a battery liquid draining apparatus according to the present invention;

FIG. 2 is a schematic cross-sectional view of the push-out assembly of FIG. 1 taken in a horizontal direction;

wherein: 1-input conveying line, 11-input support, 12-conveying roller, 13-belt, 2-liquid discharging mechanism, 21-support frame, 211-bottom plate, 212-middle plate, 213-upper plate, 214-upright post, 22-bearing component, 221-bearing plate, 222-lifting cylinder, 23-piercing component, 231-piercing stroke cylinder, 232-bearing plate, 233-several needles, 24-nitrogen filling component, 25-liquid extracting component, 26-pushing component, 261-pushing cylinder, 262-pushing plate 262,3-output conveying line, 31-output support, 32-output roller, 33-output belt, 4-emergency treatment cylinder.

Detailed Description

Preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings, which form a part hereof, and together with the description serve to explain the principles of the invention, and are not intended to limit the scope of the invention.

As shown in fig. 1 and 2, an embodiment of the present invention provides a battery liquid discharging apparatus, which includes: the device comprises an input transportation line 1, a liquid discharging mechanism 2 and an output transportation line 3, wherein the input transportation line 1 and the output transportation line 3 are respectively in butt joint with the liquid discharging mechanism 2, the input transportation line 1 is used for conveying a battery pack to be discharged to the liquid discharging mechanism 2, the liquid discharging mechanism 2 is used for carrying out liquid discharging treatment on the battery pack, and then the battery pack with liquid discharging is conveyed to the output transportation line 3 and then to a subsequent station.

In particular, the input conveyor line 1 is a common industrial conveyor, and may be belt-conveyed, chain-conveyed, or the like. The output end of the input conveying line 1 is in butt joint with the liquid discharging mechanism 2.

In this embodiment, the input transportation line 1 includes an input support 11, a transportation roller 12, a belt 13 and an input driving member, where the input support 11 is fixed on the reliable ground, the transportation roller 12 is rotatably disposed on the input support 11, the belt 13 is sleeved on the transportation roller 12, and the input driving member is in transmission connection with the transportation roller 12, and can drive the transportation roller 12 to rotate relative to the input support 11, so as to drive the belt 13 to perform a rotary motion.

Specifically, the liquid draining mechanism 2 includes a supporting frame 21, a carrying component 22, a puncturing component 23, a nitrogen filling component 24 and a liquid pumping component 25, the supporting frame 21 is fixed on a reliable ground, the carrying component 22 is disposed on the supporting frame 21 and is in butt joint with the input transportation line 1 and the output transportation line 3, the carrying component 22 is provided with a carrying surface for carrying a battery to be treated, the puncturing component 23 is fixed on the supporting frame 21 and can be lifted relative to the carrying component 22, at least has a puncturing state for puncturing the battery on the carrying surface, the nitrogen filling component 24 and the liquid pumping component 25 are fixed on the supporting frame 21 and are connected with the puncturing component 23, the nitrogen filling component 24 is used for blowing nitrogen into the battery on the carrying surface through the puncturing component 23, and the liquid pumping component 25 is used for pumping electrolyte of the battery on the carrying surface through the puncturing component 23. When the battery charging device is used, the battery to be treated is conveyed onto the bearing assembly 22 by the input conveying line 1, the puncture assembly 23 descends to puncture the battery on the bearing surface, the nitrogen filling assembly 24 blows nitrogen into the battery, and the liquid pumping assembly 25 pumps electrolyte of the battery in the groove through the puncture assembly 23, so that the electrolyte in the battery is discharged, and meanwhile, air is prevented from entering the battery, and explosion is avoided.

Specifically, the supporting frame 21 includes a bottom plate 211, a middle plate 212, an upper plate 213, and a column 214, the column 214 is sequentially disposed from low to high through the bottom plate 211, the middle plate 212, and the upper plate 213, the bearing assembly 22 is disposed on the middle plate 212, and the puncture assembly 23, the nitrogen filling assembly 24, and the liquid pumping assembly 25 are fixed on the upper plate 213.

Specifically, the bearing assembly 22 includes a bearing plate 221 and two lifting cylinders 222, grooves matched with the batteries are formed in the bearing plate 221, the lifting cylinders 222 are fixed on the bottom plate 211 and hinged to two ends of the bearing plate 221 in the length direction, through holes 215 are formed in the middle plate 212, the bearing plate 221 is embedded in the through holes 215, and movable ends of the two lifting cylinders 222 can respectively lift relative to the bottom plate 211. The purpose of the lifting cylinder 222 is to adjust the posture and height of the carrying plate 221, so that the puncture assembly 23 can be easily penetrated into the battery on the carrying plate 221.

The invention further comprises an emergency treatment cylinder 4, wherein the emergency treatment cylinder 4 is fixed on the bottom plate 211 and is positioned below the bearing plate 221, the emergency treatment cylinder 4 is filled with flame-retardant liquid, and the movable ends of the two lifting cylinders 222 can respectively lift and lower relative to the bottom plate 211 so as to enable the bearing assembly 22 to incline towards the emergency treatment cylinder 4. When the battery catches fire, the movable end of the lifting cylinder 222 can be lifted relative to the bottom plate 211, the bearing assembly 22 is inclined towards the emergency treatment cylinder 4, and the battery in the bearing assembly 22 slides into the emergency treatment cylinder 4 for fire extinguishing emergency treatment.

Specifically, the puncture assembly 23 includes a puncture stroke cylinder 231, a carrier plate 232, and a plurality of lancets 233, where the puncture stroke cylinder 231 is fixed on the upper plate 213, a movable end of the puncture stroke cylinder 231 is fixed on the carrier plate 232, the lancets 233 are fixed on a surface of the carrier plate 232 facing the carrier assembly 22, the movable end of the puncture stroke cylinder 231 stretches and contracts to push the lancets 233 to approach or separate from the carrier assembly 22, a part of the lancets 233 are communicated with the nitrogen filling assembly 24, and a part of the lancets 233 are communicated with the liquid pumping assembly 25.

In use, the movable end of the piercing cylinder 231 extends and approaches the carrying assembly 22, the nitrogen filling assembly 24 discharges nitrogen through the piercing needle 233, and the purpose of discharging nitrogen in advance is to make the nitrogen surround the battery to be treated, so as to further avoid the ignition and explosion of the battery; when the movable end of the piercing stroke cylinder 231 extends to the maximum state, the piercing needle 233 pierces the battery, the electrolyte in the battery is extracted by the liquid extracting assembly 25 through the piercing needle 233, and the nitrogen filling assembly 24 fills nitrogen into the battery.

Specifically, the nitrogen filling assembly 24 includes a nitrogen tank and an air pump, the nitrogen tank and the air pump are fixed on the upper plate 213, an air inlet end of the air pump is communicated with the nitrogen tank, and an air outlet end of the air pump is communicated with a part of the pricker 233. The air pump delivers the nitrogen in the nitrogen tank to the lancet 233.

Specifically, the liquid extraction assembly 25 includes a liquid extraction pump and an electrolyte collection tank, the liquid extraction pump and the electrolyte collection tank are fixed on the upper plate 213, a liquid inlet end of the liquid extraction pump is communicated with a part of the pricker 233, and a liquid outlet end of the liquid extraction pump is communicated with the electrolyte collection tank. The liquid pump draws electrolyte through the spike 233 and into the electrolyte collection tank.

In order to make the battery that has accomplished the flowing back work in the carrier assembly 22 can send into output transportation line 3, flowing back mechanism 2 still includes ejecting assembly 26, ejecting assembly 26 includes pushing away material cylinder 261 and pushing away material board 262, pushing away material cylinder 261 is fixed on the middle level board 212 and is located carrier assembly 22 is away from the one side of output transportation line 3, pushing away material board 262 with pushing away material cylinder 261's active end is fixed, pushing away material cylinder 261's active end can be in the orientation towards output transportation line 3. When the movable end of the pushing cylinder 261 is extended to the maximum state, the pushing plate 262 can push the battery in the carrying assembly 22 toward the output conveyor line 3.

Specifically, the output transportation line 3 includes output support 31, output roller 32, output belt 33 and output driving piece, output support 31 is fixed on reliable ground, output roller 32 rotatable setting is in on the output support 31, output belt 33 cover is established on the output roller 32, output driving piece with output roller 32 transmission is connected, can drive output roller 32 is relative output support 31 rotates, and then drives output belt 33 is rotary motion.

The invention has the beneficial effects that: according to the invention, the puncture assembly, the nitrogen filling assembly and the liquid pumping assembly are arranged, the puncture assembly at least has a puncture state of puncturing the battery, the nitrogen filling assembly and the liquid pumping assembly are connected with the puncture assembly, the nitrogen filling assembly blows nitrogen into the battery on the bearing surface through the puncture assembly, the liquid pumping assembly extracts electrolyte of the battery on the bearing surface through the puncture assembly, and the electrolyte in the battery is discharged, meanwhile, air is prevented from entering the battery, explosion is avoided, and safe discharge of the electrolyte in the battery is realized.

The present invention is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present invention are intended to be included in the scope of the present invention.

Claims (10)

1. A battery liquid discharge apparatus, characterized by comprising:

inputting a transport line;

outputting a transport line;

the nitrogen filling assembly is used for blowing nitrogen into the inner drum of the battery on the bearing surface through the puncture assembly, and the liquid pumping assembly is used for pumping electrolyte of the battery on the bearing surface through the puncture assembly.

2. The battery liquid drain apparatus according to claim 1, wherein the puncture assembly comprises a puncture stroke cylinder, a carrier plate and a plurality of puncture needles, wherein the movable end of the puncture stroke cylinder is fixed with the carrier plate, the puncture needles are fixed on the surface of the carrier plate facing the carrier assembly, the movable end of the puncture stroke cylinder stretches and contracts to push the puncture needles to be close to or far away from the carrier assembly, a part of the puncture needles are communicated with the nitrogen filling assembly, and a part of the puncture needles are communicated with the liquid pumping assembly.

3. The battery liquid drain apparatus according to claim 2, wherein the nitrogen filling assembly includes a nitrogen tank and an air pump, an air inlet end of the air pump being in communication with the nitrogen tank, and an air outlet end of the air pump being in communication with a portion of the spike.

4. The battery fluid drainage apparatus of claim 2, wherein the fluid extraction assembly comprises a fluid extraction pump and an electrolyte collection tank, a fluid inlet end of the fluid extraction pump is in communication with a portion of the spike, and a fluid outlet end of the fluid extraction pump is in communication with the electrolyte collection tank.

5. The battery liquid drain apparatus according to claim 4, wherein the drain mechanism further comprises a push-out assembly, the push-out assembly comprises a push-out cylinder and a push-out plate, the push-out cylinder is fixed on a side of the carrying assembly away from the output transportation line, the push-out plate is fixed with a movable end of the push-out cylinder, and the movable end of the push-out cylinder is capable of extending and retracting in a direction towards the output transportation line.

6. The battery liquid draining device of claim 1, wherein the support comprises a bottom plate, a middle plate, an upper plate and a stand column, the stand column penetrates through the bottom plate, the middle plate and the upper plate which are horizontally arranged from low to high, the bearing assembly is arranged on the middle plate, and the puncture assembly, the nitrogen filling assembly and the liquid pumping assembly are fixed on the upper plate.

7. The battery liquid draining device of claim 6, wherein the bearing assembly comprises a bearing plate and two lifting cylinders, grooves matched with the battery are formed in the bearing plate, the lifting cylinders are fixed on the bottom plate and hinged to two ends of the bearing plate in the length direction, through holes are formed in the middle plate, the bearing plate is embedded in the through holes, and movable ends of the two lifting cylinders can respectively lift relative to the bottom plate.

8. The battery liquid drain apparatus according to claim 7, further comprising an emergency treatment cylinder fixed to the bottom plate and located below the carrier plate, wherein the emergency treatment cylinder is filled with a fire-retardant liquid, and movable ends of the two lifting cylinders are capable of being lifted and lowered relative to the bottom plate, respectively, so as to tilt the carrier assembly toward the emergency treatment cylinder.

9. The battery liquid drain apparatus according to claim 6, wherein the input transportation line comprises an input bracket, a transportation roller, a belt and an input driving member, the input bracket is fixed on the reliable ground, the transportation roller is rotatably arranged on the input bracket, the belt is sleeved on the transportation roller, and the input driving member is in transmission connection with the transportation roller.

10. The battery liquid discharge apparatus as claimed in claim 6, wherein the output transportation line includes an output bracket, an output roller, an output belt, and an output driving member, the output bracket is fixed on a reliable ground, the output roller is rotatably disposed on the output bracket, the output belt is sleeved on the output roller, and the output driving member and the output roller

And (5) transmission connection.

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