Liquid-filling machine for battery
【Technical field】
The present invention relates to a kind of liquid-filling machine for battery, more particularly to a kind of battery liquid-filling to lithium ion cell injection electrolyte
Machine.
【Background technology】
With the arrival in electronic intelligence epoch, people are increasing to the demand of electronic product, and for electronic product is provided
The battery of operation power then turns into emphasis, particularly lithium ion battery development, then as hot issue.Inject the electrolyte into battery
Operation in shell is essential operation in lithium ion battery production process, therefore occurs in that and different give battery note electrolyte
Filling machine.
The liquid-filling machine for battery of correlation technique includes semi-automatic turntable type filling machine and Full automatic rotating disc type filling machine, these notes
Liquid machine knot it is huge, it is necessary to take one it is big dry room, because the maintenance of drying shed and operating cost are very high, therefore it is to electricity
The manufacturing cost in pond has very big pressure, and health when being worked inside drying shed to people has a great impact.And related skill
The filling machine of art is only applicable to low capacity, low-density battery liquid-filling;For Large Copacity, high density battery liquid-filling just shows effect
Rate is low, and equipment cost is high, takes up room big, the problems such as lower liquid is difficult.Relatively costly, mechanism is complicated, safeguards more difficult, Yin Qizhen
Empty sealing position is excessive, and mostly sealing ring sealing, and sealing ring is aging through the corrosion of electrolysis, and sealing property declines, and changes close
Seal is more complicated.Maintenance time is more long, and maintenance cost is higher, and problem is difficult to find.
Therefore another linear filling machine of two stations of correlation technique is occurred in that again, and this filling machine is in glove box
Middle completion, but the operation principle of this kind of filling machine is different from the operation principle of rotating disc type filling machine, and rotating disc type filling machine is using first
Rear fluid injection is vacuumized, and the linear filling machine of two stations is vacuumized after using first fluid injection;Vacuumized after first fluid injection and cause electrolysis
Waste serious, fluid injection is inefficient, labour intensity is big, and reservoir quantity is inconsistent, causes unstable product quality.
Therefore, it is necessary to propose a kind of new liquid-filling machine for battery to overcome above-mentioned technical problem really.
【The content of the invention】
The technical problem that the present invention need to be solved is to provide a kind of wide applicability, high density fluid injection efficiency high, occupies little space
And the liquid-filling machine for battery of low cost.
According to above-mentioned technical problem, a kind of liquid-filling machine for battery is devised, the purpose is to what is be achieved in that:
A kind of liquid-filling machine for battery, it includes housing the liquid injecting clamp of the battery case equipped with some electrolyte batteries to be noted, uses
In control chemical conversion contact used open formation device respectively with disengagement Yu the adhesive of the battery plus-negative plate, for whole institute
State vacuum tank, the elevating mechanism for battery case being loaded and being pulled out the liquid injecting clamp that liquid injecting clamp vacuumizes, make it is described
The transmission mechanism of liquid injecting clamp intermittent movement, the mechanism for filling liquid for injecting electrolyte to battery and above-mentioned each the part work of monitoring
The electrical apparatus control system of work.
Preferably, the liquid injecting clamp include fluid injection support plate installed in the vacuum tank bottom, be fixedly mounted on it is described
Fluid injection supporting plate on fluid injection support plate, the battery case on the fluid injection supporting plate, fluid injection a set of cups and fluid injection arm-tie and it is arranged on
Fluid injection pressing plate on the fluid injection arm-tie, the fluid injection pressing plate is collectively forming described with the fluid injection arm-tie and the fluid injection supporting plate
The motion portion of liquid injecting clamp.
Preferably, 1 ~ 5 layer of the liquid injecting clamp point, every layer can carry out vacuum liquid filling, the note to 8 ~ 150 batteries simultaneously
Be sealed in the electrolyte in it using valve controlling sealed by liquid a set of cups, the electrolyte is automatically flowed into the battery
Portion, opens liquid-filling valve after vacuum tank exhausts vacuum, realizes vacuum liquid filling.
Preferably, the battery case is provided with the groove for the battery case being pushed or being pulled out the liquid injecting clamp, described
The center of the center of the liquid injection port of fluid injection a set of cups and corresponding each battery not on same center line, eccentric throw is 1 ~
15mm。
Preferably, the open formation device includes electromagnet mounting plate and is fixedly mounted on the electromagnet mounting plate
Electromagnet, the disengagement and adhesive of contact used and the battery plus-negative plate are melted into by the control system of switching on or off electricity of the electromagnet.
Preferably, the vacuum tank include vacuum box bracket, be fixedly mounted on the vacuum tank bracket outer cylinder and
Vacuum (-tight) housing, rotary ball valve, vavuum pump, guide pillar and linear bearing on the Suction type frame, the vacuum (-tight) housing bottom sets
There is the sealing strip for being sealed, the sealing strip is engaged with the vacuum tank base plate, form a vacuum space for closing.
Preferably, the vacuum tank bottom is provided with four guide pillars through the vacuum tank, and the guide pillar is described
It is connected and is connected with the cylinder outside the vacuum tank with the liquid injecting clamp inside vacuum tank, by the cylinder
Motion pulls the liquid injecting clamp motion, and the vacuum tank keeps vacuum with the guide pillar using double hermetics.
Preferably, the transmission mechanism includes cross slide way and longitudinal rail on the workbench, state longitudinal rail with
The cross slide way forms square drive track and alternating movement, promotes the liquid injecting clamp to make on the square drive track
Intermittent movement, the square drive track is provided with 6 ~ 20 stations, wherein have a station for idle station, on each described station
The vacuum tank take the idle station one by one, so as to realize that intermittent cyclic is moved, each described station interval stops 1 ~ 20 point
Clock, each described vacuum tank completes a circulation needs 10 ~ 120 minutes.
Preferably, the mechanism for filling liquid includes being connected slide unit and some metered dose infusion pumps with guide rail, and 1 is provided with slide unit
~ 10 filling heads, each described filling head is connected with metered dose infusion pump each described respectively, realizes quantitative to the fluid injection set
Fluid injection in cup.
Preferably, the electrical apparatus control system includes 1 ~ 23 Programmable Logic Controller, a man-machine interface, by RS485
Communication interface constitutes industrial control network, and realization is monitored to the vacuum tank on station each described.
Compared with correlation technique, liquid-filling machine for battery applicability of the present invention is wide, high density fluid injection efficiency high, occupy little space and
Low cost.
【Brief description of the drawings】
Fig. 1 is liquid-filling machine for battery three-dimensional structure diagram of the present invention.
Fig. 2 is Fig. 1 bottom views structural representations.
Fig. 3 is Fig. 1 rear side viewing angle constructions schematic diagrames.
Fig. 4 is Fig. 1 left side perspective structural representations.
Fig. 5 is the liquid injecting clamp three-dimensional structure diagram of liquid-filling machine for battery of the present invention, has been assembled with mechanism for filling liquid and vacuum tank.
Fig. 6 is two kinds of three-dimensional structure diagrams of different conditions of liquid injecting clamp of liquid-filling machine for battery of the present invention, has been assembled with vacuum
Case, A figures are vacuum tank open mode, and B figures are vacuum tank closed mode.
Fig. 7 is the individual unit structural representation in the mechanism for filling liquid of liquid-filling machine for battery of the present invention.
Fig. 8 is the vacuum box bracket three-dimensional structure diagram of liquid-filling machine for battery of the present invention.
Fig. 9 is the mechanism for filling liquid three-dimensional structure diagram of liquid-filling machine for battery of the present invention.
Figure 10 is the fluid injection a set of cups three-dimensional structure diagram in the mechanism for filling liquid of liquid-filling machine for battery of the present invention.
Figure 11 is the three-dimensional exploded view that device is sent out into the mechanism for filling liquid of liquid-filling machine for battery of the present invention and opening.
Figure 12 is the integral support three-dimensional structure diagram of liquid-filling machine for battery of the present invention.
Figure 13 is the part isometric structure chart of liquid-filling machine for battery transmission mechanism 5 of the present invention.
【Specific embodiment】
The invention will be further described with implementation method below in conjunction with the accompanying drawings.
As shown in figures 1 to 6, a kind of liquid-filling machine for battery 100, it includes housing the battery equipped with some electrolyte batteries to be noted
The liquid injecting clamp 1 of box 7, for control chemical conversion contact used respectively with the open formation of disengagement and the adhesive of the battery plus-negative plate
Device 2, for the whole liquid injecting clamp 1 is vacuumized vacuum tank 3, for loading and pulling out the fluid injection by battery case 7
The elevating mechanism 4 of fixture 1, the transmission mechanism 5 for making the intermittent movement of the liquid injecting clamp 1, the note for injecting electrolyte to battery
Liquid mechanism 6 and the electrical apparatus control system of above-mentioned each component working of monitoring(It is not shown).
Liquid injecting clamp 1 includes fluid injection a set of cups supporting plate 11, fluid injection a set of cups 12, fluid injection pressing plate 13, fluid injection arm-tie 14, fluid injection support plate
15th, fluid injection seal shaft 16, spring 17, sealing ring 18, fluid injection a set of cups 12 are installed on fluid injection supporting plate 11, and fluid injection supporting plate 11 is installed on
On fluid injection support plate 15, fluid injection support plate 15 is installed on the base plate of vacuum tank 3, and the base plate of battery case 7 is also installed on fluid injection supporting plate 11,
Form the integral support of liquid injecting clamp 1;Fluid injection pressing plate 13 is installed on and linkage is formed on fluid injection arm-tie 14, and fluid injection arm-tie 14 is installed on
On fluid injection supporting plate 11, three is collectively forming the moving component of liquid injecting clamp 1;Fluid injection seal shaft 16 and spring 17 are installed on fluid injection set
In cup 12, liquid-filling valve is formed(Non- label);The up and down motion of fluid injection pressing plate 13, press against fluid injection seal shaft 16, realize liquid-filling valve
Open and close, so as to realize vacuum liquid filling.In present embodiment, 1 ~ 5 layer of liquid injecting clamp 1 point, every layer can be simultaneously to 8 ~ 150
Battery carries out vacuum liquid filling.
Fig. 7-13 are participated in simultaneously, and be sealed in the electrolyte in it using valve controlling sealed by fluid injection a set of cups 12, and institute is not made
State electrolyte and automatically flow into the inside battery, open liquid-filling valve after vacuum tank exhausts vacuum, realize vacuum liquid filling.
Battery case 7 is provided with the groove 71 for battery case 7 being pushed or being pulled out liquid injecting clamp 1, the liquid injection port of fluid injection a set of cups 12
Not on same center line, eccentric throw is 1 ~ 15mm at the center of center and the battery of corresponding each electrolyte to be noted.
Open formation device 2 includes electromagnet mounting plate 21 and the electromagnet being fixedly mounted on electromagnet mounting plate 21
22, the disengagement and adhesive of contact used and the battery plus-negative plate are melted into by the control system of switching on or off electricity of electromagnet 22.Electromagnet 22
Holding block 23 makes lid start to note electrolyte by holding up.
Vacuum tank 3 includes vacuum box bracket 35, is fixedly mounted on the cylinder of vacuum tank bracket outer(It is not shown)And installation
Vacuum (-tight) housing 31, rotary ball valve on Suction type frame(It is not shown), vavuum pump 32, guide pillar 33 and linear bearing(Non- label), very
31 bottoms of sky cover are provided with the sealing strip 34 for being sealed, and sealing strip 34 is engaged with the base plate of vacuum tank 3, one closing of formation
Vacuum space, it is easy to vacuumized to whole liquid injecting clamp 1.The upper of vacuum (-tight) housing 31 is realized by controlling the cylinder of the both sides of vacuum tank 3
It is lower motion and whole liquid injecting clamp 1 is vacuumized.
Specifically, in present embodiment, the bottom of vacuum tank 3 is provided with four guide pillars 33 through vacuum tank 3, and guide pillar 33 exists
The inside of vacuum tank 3 is connected with liquid injecting clamp 1 and is connected with cylinder in the outside of vacuum tank 3, and fluid injection is pulled by the motion of cylinder
Fixture 1 is moved, and vacuum tank 3 keeps vacuum with guide pillar 33 using double hermetics.
Elevating mechanism 4, including the guide rail that the ball screw that is connected with motor of motor fixing seat, motor is connected with screw mandrel
(It is not shown)The fluid injection supporting plate 11 being connected with guide rail.Drive fluid injection supporting plate 11 to move up and down by motor, realize automatic power-on and power-off
The effect in pond;
Transmission mechanism 5 includes workbench, the cross slide way 51 on workbench, longitudinal rail 52, screw mandrel and slide unit, if
In the Driving Stepping Motor that the connecting plate on slide unit is connected with screw mandrel, longitudinal rail 52 forms square drive with cross slide way 51
Track and alternating movement, promote liquid injecting clamp 1 to make intermittent movement on square drive track.In present embodiment, square drive
Track is provided with 6 ~ 20 stations(It is not shown), wherein having a station for idle station, the vacuum tank 3 on each described station is one by one
The idle station is taken, so as to realize that intermittent cyclic is moved, each described station interval stops 1 ~ 20 minute, each described vacuum tank
Completing a circulation needs 10 ~ 120 minutes;
Mechanism for filling liquid 6 includes being connected slide unit with guide rail(It is not shown)And some metered dose infusion pumps 61,1 is provided with slide unit
~ 10 filling heads 62, each filling head 62 is connected with each metered dose infusion pump 61 respectively, realizes quantitative in fluid injection a set of cups 12
Fluid injection.
Electrical apparatus control system includes 1 ~ 23 Programmable Logic Controller(It is not shown), a man-machine interface(It is not shown), pass through
RS485 communication interfaces constitute industrial control network, and realization is monitored to the vacuum tank 3 on station each described.
When in use, its operation principle is such to liquid-filling machine for battery of the invention:First will be true at the cell station that comes in and goes out
Empty van is opened, and the battery case that elevating mechanism will fill battery loads in liquid injecting clamp;Again at note electrolyte station, mechanism for filling liquid
Quantitative electrolyte is intermittently injected by liquid injecting clamp by HighPower pump;Then at vacuum impregnating electrolyte station, vacuum tank is closed
Close, ready liquid injecting clamp is vacuumized, fluid injection(Even can add inflated with nitrogen simultaneously), open formation;Vacuum tank is in vacuum
While fluid injection, moved on each station off and in the presence of transmission mechanism;When moving at the cell station that comes in and goes out,
Vacuum tank is opened, and elevating mechanism takes out the battery case for being poured in electrolyte from liquid injecting clamp, reloads treat note electricity again
The battery case of liquid is solved, vacuum liquid filling and open formation are realized in so circulation.
Compared with correlation technique, liquid-filling machine for battery of the present invention realizes single-station and 100-500 branch battery is first taken out very
Fluid injection after sky, reduces the fluid injection time, substantially increases fluid injection efficiency;The volatilization of electrolyte is reduced, is improve in battery
Uniformity containing liquid, reduces cost;Avoid when welding block because electrolyte does not dry net impacts welding quality, substantially increase
The performance of battery;Safeguard and easy to maintenance, fault rate is extremely low, because of its simple structure, transmission is single, few at vacuum sealing, close
Seal is changed and extremely facilitated, and maintenance cost is relatively low.
Above-described is only embodiments of the present invention, it should be noted here that for one of ordinary skill in the art
For, without departing from the concept of the premise of the invention, improvement can also be made, but these belong to protection model of the invention
Enclose.