CN210040387U - Square battery electrolyte negative pressure liquid injection equipment - Google Patents

Abstract

The utility model relates to a square battery electrolyte negative pressure annotates liquid equipment contains the airtight container and the mounting fixture that promote the cylinder, be promoted the cylinder control, the utility model discloses an innovation point lies in the mounting fixture that a plurality of square batteries can be fixed in the design, and mounting fixture's transfer device is removed in the design, utilizes the principle that the negative pressure was filled the electrolyte simultaneously, has changed original mode of filling the electrolyte, has improved the efficiency of the electrolyte that charges, is fit for promoting.

Description

Square battery electrolyte negative pressure liquid injection equipment

Technical Field

The utility model relates to a square battery manufacturing technology, in particular to square battery electrolyte negative pressure annotates liquid equipment.

Background

The square battery is one of lithium batteries, the shape of the shell of the square battery is square, pole pieces are wound inside the square battery, electrolyte is filled in the square battery, the square battery is widely used for various electronic equipment, in the text, the square battery refers to the square battery with a metal shell, the electrolyte charging of the battery is an important process for manufacturing the battery, an electrolyte flushing operation flow is provided, a manual liquid injection mode is provided, the mode depends on the operation of workers, the operation speed is low, a large amount of labor is needed, and the whole manufacturing cost is very high; because the pore ratio of the charging electrolyte of the square battery is smaller, the simple charging electrolyte equipment is difficult to fill, the alignment problem is involved, the requirement on the precision of the equipment is higher, and in the existing equipment, simple operation equipment is also provided, such as a public (bulletin) number: CN201804956U, the whole characteristics of this type of equipment are that, annotate the liquid process slowly, efficiency is not high, to the large-scale production already, annotate liquid workman's intensity of labour still great.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an liquid equipment is annotated to efficiency is extremely high, and its characteristics are whole airtight space of design, place the square battery of the electrolyte of waiting to charge of a great deal more including, utilize the negative pressure to charge the characteristics of electrolyte, once only pack electrolyte to a large amount of square battery.

The square battery electrolyte negative pressure injection equipment is characterized by further comprising a transfer device for moving the fixing clamp, a square battery to be charged with electrolyte and an automatic liquid preparation machine for filling the electrolyte into the fixing clamp; the lifting cylinder comprises a cylinder main body and a cylinder piston rod, the closed container comprises a movable cover, a sealing base matched with the closed container, an exhaust pipe and an exhaust port which are arranged on the movable cover, and a sealing baffle plate which is arranged in the middle of the inside of the movable cover, the movable cover is connected with the cylinder piston rod, namely, the cylinder piston rod controls the lifting and descending operation of the movable cover, the fixing clamp comprises an upper fixing clamp, a lower fixing clamp, an electrolyte retaining bag, an electrolyte injection needle, a square battery fixing seat and a connecting rod which fixes the upper fixing clamp and the lower fixing clamp, two side faces of the upper fixing clamp are respectively provided with a transfer hole, two rows of electrolyte retaining bags are arranged, each row is provided with a plurality of electrolyte retaining holes, the electrolyte retaining holes are arranged below the middle of the upper fixing clamp, correspondingly, a plurality of electrolyte retaining holes are formed in the upper surface of the upper fixing clamp and the electrolyte retaining bag, the size of the sealing baffle plate can cover the electrolyte placing hole, an electrolyte injection needle is arranged below each electrolyte retaining bag, a plurality of square battery fixing seats are arranged on the lower fixing clamp, the number of the square battery fixing seats is the same as that of the electrolyte injection needles, and correspondingly, the upper and lower positions correspond to each other, namely, one square battery fixing seat is matched with one electrolyte injection needle; the transfer device is arranged on two sides of the fixed clamp and comprises insertion rods, transfer rods and a power device, the transfer device extends into the transfer hole through the two insertion rods, and then the transfer rods are moved to horizontally move the fixed clamp; the air exhaust pipe is connected with a vacuum pumping device.

Furthermore, the movable cover is a metal closed square cover, and the interior of the movable cover needs to bear enough pressure due to negative pressure, so that the movable cover needs to be made of metal, and the firmness of the movable cover is high.

Further, set up the spring in the base of square battery fixing base when setting up square battery in the square battery fixing base, the spring has the elasticity of up pushing up square battery, and the effect of spring is the fixed square battery of being convenient for.

Further, electrolyte notes liquid syringe needle contains pipeline, syringe needle container and can insert the downthehole pinhole of annotating liquid of square battery, and the pipeline up connects electrolyte and puts and stays the bag, and electrolyte is put and is stayed the electrolyte in the bag and down flows into the syringe needle container, then through the pinhole, flows into in the square battery, and electrolyte is put and is stayed the bag and can save electrolyte, should save a small amount of air simultaneously, and electrolyte is put and is stayed the bag and arrange into one row usually simultaneously.

Further, the aperture of the pinhole is smaller than that of the liquid injection hole of the square battery to be charged with the electrolyte, so that the pinhole 342 can be inserted into the liquid injection hole of the square battery, and meanwhile, because the number of the pinholes is small, the electrolyte cannot naturally flow out.

Further, the electrolyte retention bag is made of an electrolyte-resistant plastic material, the needle container is made of an electrolyte-resistant metal material, and the needle container may rub against the square battery repeatedly and is therefore wear-resistant, and the electrolyte retention bag only temporarily stores electrolyte, so that the electrolyte can be made as light as possible.

Further, the automatic liquid dispensing machine is disposed in a region before the fixing jig enters the closed container.

Furthermore, the power device contained in the transfer device can be a stepping motor for realizing translation movement, and can also be a device for realizing translation driven by an air cylinder.

Further, the insertion operation of the insert rod is controlled by an air cylinder.

Furthermore, a plurality of closed containers are arranged in the square battery electrolyte negative pressure injection equipment, correspondingly, a plurality of lifting cylinders are arranged, and a plurality of sets of fixing clamps are arranged at the same time; one or more automatic liquid preparation machines are provided.

The utility model has the display steps that firstly, the square battery is placed on the fixing clamp, the operation of placing the square battery is as follows, because the square battery fixing seat has some elasticity below, the liquid injection hole of the square battery is placed below the pinhole and then pushed into the square battery, the operation can be performed by a mechanical hand or manually, because a worker can push a plurality of square batteries at one time in the operation process, the speed is higher, a fixing clamp is placed at a fixed position in front of the closed container, the fixing clamp can clamp a plurality of square batteries, a clamping groove is usually arranged at the position, then the automatic liquid preparation machine automatically injects a certain amount of electrolyte into the electrolyte placing hole above the fixing clamp, the electrolyte flows into the electrolyte placing bag, meanwhile, as the pinhole ratio below is smaller, the electrolyte can not automatically flow out when the electrolyte receives the gravity immediately; lifting all the movable covers by the lifting cylinder; the transfer device moves the fixing clamp to the lower part of the movable cover, then the lifting cylinder puts down the movable cover to cover the whole fixing clamp, a closed space is formed inside the movable cover, the vacuumizing device is started, the air in the closed space is extracted, meanwhile, the air in the square battery is also extracted, electrolyte can automatically flow into the square battery under the air pressure difference, the movable cover is lifted after a certain time, then the fixing clamp is moved out by the transfer device, and the square battery can be taken down.

The utility model has the innovation point that the fixing clamp capable of accommodating a plurality of square batteries is designed; a transfer device for moving the stationary fixture is designed.

The utility model has the advantages of it is following: since 2 fixing clamps can be usually placed in one closed container, and one fixing clamp can clamp more than 20 square batteries at one time, more than 40 square batteries can be filled at one time, and if several closed containers are arranged on one device, the filling speed of one device is very high.

Drawings

Fig. 1 is a schematic diagram of a square battery electrolyte negative-pressure liquid injection device according to an embodiment of the present invention.

Fig. 2 is a schematic view of the removable cover of fig. 1 shown raised.

Fig. 3 is a perspective view of the fixing clip.

Fig. 4 is a side schematic view of a mounting clip.

Fig. 5 is a schematic view of circle a in fig. 4.

Fig. 6 is a schematic diagram of a square battery electrolyte negative-pressure liquid injection device according to an embodiment of the present invention.

Fig. 7 is a schematic drawing of evacuation.

Fig. 8 is an operational view of the transfer device.

FIG. 9 is a schematic view of an automatic liquid dispensing machine.

Detailed Description

The present invention will be described in detail with reference to the following embodiments and drawings.

The utility model discloses a central thought lies in, decomposes every and annotates the liquid action, and the liquid action of annotating that will hardly say greatly is converted into the negative pressure and annotates the liquid, and efficiency is higher.

As shown in fig. 1-9, a square battery electrolyte negative pressure injection device comprises a lifting cylinder 1, a closed container 2 controlled by the lifting cylinder, and a fixing clamp 3 filled with electrolyte, and further comprises a transfer device 5 for moving the fixing clamp, a square battery 4 to be charged with electrolyte, and an automatic liquid preparation machine 7 for filling electrolyte into the fixing clamp; the lifting cylinder 1 comprises a cylinder main body 11 and a cylinder piston rod 12, the closed container 2 comprises a movable cover 22, a sealing base 21 matched with the closed container, an exhaust pipe 23 and an exhaust port 24 which are arranged on the movable cover, and a sealing baffle 25 which is arranged in the middle of the inner part of the movable cover 22, the movable cover 22 is connected with the cylinder piston rod 12, namely, the cylinder piston rod 12 controls the lifting and descending operation of the movable cover 22, the fixing clamp 3 comprises an upper fixing clamp 31, a lower fixing clamp 35, an electrolyte retaining bag 33, an electrolyte injection needle 34, a square battery fixing seat 36 and a connecting bar 37 which fixes the upper fixing clamp 31 and the lower fixing clamp 35, two side surfaces of the upper fixing clamp 31 are respectively provided with a transfer hole 310, two rows of electrolyte retaining bags 33 are provided, each row is provided with a plurality of electrolyte retaining holes 32, the electrolyte retaining bags are arranged below the middle of the upper fixing clamp 31, correspondingly, the upper surface of the upper fixing clamp 33 is provided with a plurality of electrolyte retaining holes 32, the sealing baffle 25 can cover the electrolyte placing holes 32, an electrolyte injection needle 34 is arranged below each electrolyte placing bag 33, a plurality of square battery fixing seats 35 are arranged on the lower fixing clamp 36, the number of the square battery fixing seats 35 is the same as that of the electrolyte injection needles 34, and correspondingly, the upper and lower positions correspond to each other, namely, one square battery fixing seat 35 is matched with one electrolyte injection needle 34; the transfer device 5 is arranged on two sides of the fixing clamp, the transfer device 5 comprises an inserting rod 522, a transfer rod 51 and a power device, the transfer device 5 extends into the transfer hole 310 through the two inserting rods, and then the transfer rod 51 is moved to horizontally move the fixing clamp 3; the suction pipe 23 is connected to a vacuum-pumping device.

The effect of mounting fixture 3 is to have a certain amount of electrolyte, fixes square battery simultaneously, is the utility model discloses a key.

The sealing flap 25 serves to cover the electrolyte solution placing hole 32 so that when the movable hood 22 is evacuated, air is preferentially drawn as air in the prismatic battery, and then the air pressure of the electrolyte solution retaining bag 33 is made larger to form a pressure difference, and the electrolyte solution can flow into the prismatic battery.

It should be noted that in practice, even if the sealing baffle 25 is not provided, the electrolyte flows down into the prismatic battery when the vacuum is pulled.

Specifically, the movable hood 22 is a metal-sealed square hood, and the inside of the movable hood 22 needs to bear sufficient pressure due to negative pressure, so that the movable hood 22 needs to be made of metal, and thus the firmness is high.

As shown in fig. 4, specifically, a spring is provided in the base of the square battery holder 35, and when the square battery 4 is provided in the square battery holder, the spring has an elastic force that pushes up the square battery, and the spring functions to facilitate fixing of the square battery.

Specifically, as shown in fig. 5, the electrolyte filling needle 34 comprises a pipe 343, a needle container 341 and a needle hole 342 capable of being inserted into a filling hole of the square battery, the pipe 343 is connected to the electrolyte retaining bag 33, the electrolyte in the electrolyte retaining bag 33 flows down into the needle container 341 and then flows into the square battery 4 through the needle hole 342, the electrolyte retaining bag 33 can store the electrolyte while storing a small amount of air, as shown in fig. 3, and the electrolyte retaining bags 33 are generally arranged in a row.

Specifically, the aperture of the pinhole 342 is smaller than that of the liquid filling hole of the square battery to be charged with the electrolyte, so that the pinhole 342 can be inserted into the liquid filling hole of the square battery, and at the same time, because it is generally small, the electrolyte does not naturally flow out.

Specifically, the electrolyte retaining bag 33 is made of an electrolyte-resistant plastic material, the needle container 34 is made of an electrolyte-resistant metal material, and the needle container 34 needs to be wear-resistant because it may rub against the prismatic battery repeatedly, and the electrolyte retaining bag 33 functions only to temporarily store the electrolyte, so that it is better to do so lightly.

As shown in fig. 6, the automatic liquid dispenser 7 is disposed in a region before the fixing jig enters the closed vessel.

Specifically, the power device included in the transfer device may be a stepping motor for realizing translational motion, or may be a device for realizing translational motion driven by an air cylinder, and since there are many devices for realizing translational motion, the description is not given.

As shown in fig. 6, specifically, the insertion operation of the insertion rod 522 is controlled by the cylinder 521, and when the insertion rod 522 is inserted into the transfer hole 310, the entire moving rod 51 moves, and thus the entire fixing jig can be moved by controlling the translational movement of the transfer rod 51.

As shown in fig. 8, the moving logic of the moving rod 51 is shown, and the coordinate axes are in a manner convenient for understanding, when the fixing clamp needs to be moved to the lower side of the movable cover 22, the fixing clamp at the Y1 position is moved to the Y4 position, then the fixing clamp at the Y2 position is moved to the Y5 position, and the fixing clamp at the Y3 position is moved to the Y6 position, so that after the moving is completed, the movable cover is put down to cover the fixing clamp, and then the vacuum pumping device is started to complete liquid injection, and the principle of moving out the fixing clamp is the same.

Specifically, a plurality of closed containers are arranged in a square battery electrolyte negative pressure injection device, correspondingly, a plurality of lifting cylinders are arranged, and a plurality of sets of fixing clamps are arranged; one or more automatic liquid preparation machines are provided.

The automatic liquid preparation machine 7 can directly utilize the technical scheme of the utility model with the publication number of CN207042367U, and the scheme is more, and automatic liquid preparation can be realized only through outsourcing.

Automatic distribution electrolyte can place the hole 32 and pour into a certain amount of electrolyte into in the past electrolyte, because electrolyte places the hole 32 and can set up the broad, consequently realizes annotating the liquid operation and can be fairly simple, does not need the position very closely to aim at.

The display steps of the utility model are that, firstly, the square battery 4 is placed on the fixing clamp 3, the operation of placing the square battery is as follows, because the square battery fixing seat 36 has some elasticity below, the liquid injection hole of the square battery is placed below the electrolyte injection needle 34, then the square battery 4 is pushed in, the operation can adopt a manipulator or a manual operation, because a worker can push a plurality of square batteries in one time in the operation engineering, the speed is faster at the position, the fixing clamp is placed at the fixed position in front of the closed container, usually, Y1 in figure 8, Y2, Y3 position, usually, the position is provided with a clamping groove, then the automatic liquid distributor automatically injects a certain amount of electrolyte into the electrolyte placing hole above the fixing clamp, the electrolyte flows into the electrolyte placing and reserving bag, meanwhile, because the needle hole ratio below is smaller, the gravity is received immediately, the electrolyte cannot automatically flow out; the lifting cylinder 1 lifts all the movable covers; the transfer device moves the fixing clamp to the lower part of the movable cover, then the lifting cylinder puts down the movable cover to cover the whole fixing clamp, a closed space is formed inside the movable cover, the vacuumizing device is started, the air in the closed space is extracted, meanwhile, the air in the square battery is also extracted, electrolyte can automatically flow into the square battery under the air pressure difference, the movable cover is lifted after a certain time, then the fixing clamp is moved out by the transfer device, and the square battery can be taken down.

The utility model has the innovation point that the fixing clamp capable of accommodating a plurality of square batteries is designed; a transfer device for moving the stationary fixture is designed.

The utility model has the advantages of it is following: because 2 fixing clamps can be placed in one closed container, more than 20 square batteries can be clamped by one fixing clamp at one time, so that more than 40 square batteries can be filled at one time, and if a plurality of closed containers are arranged on one device, the speed of filling the electrolyte into one device is very high.

The utility model discloses a charge electrolyte is efficient, has reduced intensity of labour, is fit for the mill's use of large-scale production square battery.

The above disclosure is only a preferred embodiment of the present invention, and certainly should not be taken as limiting the scope of the invention, which is defined by the claims and their equivalents.

Claims (10)

1. The square battery electrolyte negative pressure injection equipment is characterized by further comprising a transfer device for moving the fixing clamp, a square battery to be charged with electrolyte and an automatic liquid preparation machine for filling the electrolyte into the fixing clamp; the lifting cylinder comprises a cylinder main body and a cylinder piston rod, the closed container comprises a movable cover, a sealing base matched with the closed container, an exhaust pipe and an exhaust port which are arranged on the movable cover, and a sealing baffle plate which is arranged in the middle of the inside of the movable cover, the movable cover is connected with the cylinder piston rod, namely, the cylinder piston rod controls the lifting and descending operation of the movable cover, the fixing clamp comprises an upper fixing clamp, a lower fixing clamp, an electrolyte retaining bag, an electrolyte injection needle, a square battery fixing seat and a connecting rod which fixes the upper fixing clamp and the lower fixing clamp, two side faces of the upper fixing clamp are respectively provided with a transfer hole, the electrolyte retaining bag is provided with two rows, each row is provided with a plurality of electrolyte retaining bags, the electrolyte retaining bags are arranged below the middle of the upper fixing clamp, correspondingly, the upper surface of the upper fixing clamp is provided with a plurality of electrolyte placing holes which are used for retaining the electrolyte retaining bags, the size of the sealing baffle plate can cover the electrolyte placing hole, an electrolyte injection needle is arranged below each electrolyte retaining bag, a plurality of square battery fixing seats are arranged on the lower fixing clamp, the number of the square battery fixing seats is the same as that of the electrolyte injection needles, and correspondingly, the upper and lower positions correspond to each other, namely, one square battery fixing seat is matched with one electrolyte injection needle; the transfer device is arranged on two sides of the fixed clamp and comprises insertion rods, transfer rods and a power device, the transfer device extends into the transfer hole through the two insertion rods, and then the transfer rods are moved to horizontally move the fixed clamp; the air exhaust pipe is connected with a vacuum pumping device.

2. The prismatic battery electrolyte negative pressure priming apparatus of claim 1, wherein said movable cover is a metal-enclosed prismatic cover.

3. The device for injecting electrolyte into a square battery under negative pressure as claimed in claim 1, wherein a spring is disposed in the base of the square battery holder, and when the square battery is disposed in the square battery holder, the spring has an elastic force for pushing the square battery upward.

4. The square battery electrolyte negative pressure injection equipment according to claim 1, wherein the electrolyte injection needle comprises a pipe, a needle container and a needle hole capable of being inserted into the injection hole of the square battery, the pipe is connected with the electrolyte retention bag upwards, and the electrolyte in the electrolyte retention bag flows downwards into the needle container and then flows into the square battery through the needle hole.

5. The square battery electrolyte negative pressure liquid injection device according to claim 4, wherein the diameter of the electrolyte injection needle is smaller than the diameter of the injection hole of the square battery to be charged with electrolyte.

6. The prismatic cell electrolyte negative pressure priming apparatus of claim 4, wherein said electrolyte retaining bag is made of an electrolyte resistant plastic material and said needle container is made of an electrolyte resistant metal material.

7. The negative-pressure electrolyte injection apparatus for a prismatic battery according to claim 1, wherein the automatic liquid dispenser is disposed in a region before the fixing jig enters the inside of the closed container.

8. The negative-pressure electrolyte injection device for the square battery according to claim 1, wherein the power device included in the transfer device can be a stepping motor for realizing translation movement or a device for realizing translation driven by an air cylinder.

9. The prismatic battery electrolyte negative pressure liquid injection apparatus according to claim 1, wherein the insertion operation of the insertion rod is controlled by a cylinder.

10. The square battery electrolyte negative pressure injection device according to claim 1, wherein a plurality of closed containers are provided in one square battery electrolyte negative pressure injection device, and accordingly, a plurality of lifting cylinders and a plurality of sets of fixing clamps are provided; one or more automatic liquid preparation machines are provided.

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