CN100438126C - Fully automatic vacuum capper for square lithium ion battery and its capping method - Google Patents
Fully automatic vacuum capper for square lithium ion battery and its capping method Download PDFInfo
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- CN100438126C CN100438126C CNB2007100565098A CN200710056509A CN100438126C CN 100438126 C CN100438126 C CN 100438126C CN B2007100565098 A CNB2007100565098 A CN B2007100565098A CN 200710056509 A CN200710056509 A CN 200710056509A CN 100438126 C CN100438126 C CN 100438126C
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
The invention discloses a square type lithium cell full automation vacuum capper that includes rack, high speed pressure unit, cell clamp and steel ball distributing device which is between the high speed pressure unit and cell clamp; the steel ball distributing device includes pin guiding unit of the press pin and steel ball distributing unit; the pin guiding unit includes several press pins; the steel ball distributing unit includes giving ball plate which can horizontal shift, several steel ball holes which are corresponding with said press pins are set on the giving ball plate; the other limit position of the giving ball plate is that the steel ball holes are corresponding with steel ball storehouse mouth; the pin guiding unit, cell storehouse and the press pin are separately shift under the drive of movement unit; using the cell sealing craft of the capper, when the steel ball is given and the press pin is pressed to seal, the cell is always in vacuum condition. It avoids the phenomenon of rebound of cell thickness and tympanites, and guarantees perfect vacuum and reliable tightness.
Description
Technical field
The present invention relates to a kind of battery seal equipment and mouth-sealing method thereof, relate in particular to a kind of lithium ion battery sealing device and mouth-sealing method thereof.
Background technology
Along with the development of portable electronics to miniaturization, take the device space less, make comparatively easily that square lithium ion battery is widely used.At present, the production technology of square lithium ion battery normally: the pole piece group is reeled, and---the pole piece group is gone into shell, and---------injection electrolyte---changes into that---vacuum is given and being sealed---manually seals---secondary changes into---cleaning for battery case and the no seam welding of lid for electrode and cell cover welding.Because the equipment that does not have the suitable square lithium ion battery of technology maturation to seal, therefore, involved vacuum seal mode still adopts simple original method to deal with in the above-mentioned production technology, for example: for cell height: 35-67mm/ thickness: 3.65-10mm width: the existing sealing process of shell with square aluminum lithium ion battery of 26-34mm specification is: behind (1) battery liquid-filling, 6-8 battery put into the anchor clamps internal fixation; (2) be the liquid injection hole place that 1.3 millimeters steel ball is put into each battery with tweezers with diameter; (3) be pressed in metallic plate on the steel ball gently; (4) put under the vacuum tank decompressor, treat that vacuum forms the arrival set point, decompressor presses down to give and seals, and steel ball is embedded in the liquid injection hole surface; (5) operator opens vacuum tank and takes out battery, knocks steel ball gently with hammer it is embedded in the battery liquid-filling hole fully, reaches the effect of sealing.The existing weak point of above-mentioned sealing process is: because steel ball had been placed on the liquid injection hole before vacuumizing, and pressed a metallic plate again on steel ball, this will make air in the inside battery electricity liquid can not fully discharge to give and seal and battery fully can not be sealed.Vacuum directly contacts with atmosphere after giving and sealing, and causes the interior vacuum degree of battery bad, directly influences the performance of battery; Owing to artificial reason is manually being carried out in the sealing operation with hammer, it is uncontrollable battery surface distortion height big, that seal to occur, feels the size of strength fully by the operator; Therefore, adopting has after the battery seal operation of the prior art electrolyte to reveal to cause battery to change into the bad phenomenon of back bulging, and personnel labor is big, and the production cycle is long.According to the universal use of square lithium ion battery, be badly in need of developing and a kind ofly can guarantee to seal the back inside battery and have good vacuum degree, and cell thickness does not rebound, not the automation square lithium ion battery sealing device and the corresponding mouth-sealing method thereof of bulging.
Summary of the invention
Vacuum degree is bad, secondary can not accurately be controlled sealing height in manually sealing in order to seal in advance in the solution prior art production square lithium ion battery process in the present invention, thereby cause electrolyte to reveal, seal the technical problem of back cell thickness bounce-back, bulging, provide that a kind of assurance battery is indeformable, vacuum degree is high, sealing reliable square lithium ion battery fully automatic vacuum sealing machine and mouth-sealing method thereof.
The technical scheme that square lithium ion battery fully automatic vacuum sealing machine of the present invention is achieved is: comprise frame, high speed pressure unit and battery clamp, be provided with steel ball distributing device between described high speed pressure unit and the battery clamp; Described steel ball distributing device comprise be equipped be pressed into pin needle guide to unit and steel ball allocation units; Described needle guide comprises fixing a plurality of upper and lower clamping plate that are pressed into pin to the unit, both are fixed together described upper and lower clamping plate, the upper end of described train wheel bridge is coated with seal cover, the top of described train wheel bridge is passed seal cover and is connected with the high speed pressure unit, and described upper and lower clamping plate are done under the drive of high speed pressure unit and moved up and down together with being pressed into pin; Being positioned at each lower end that is pressed into pin is provided with and is pressed into the needle guide cover; Described steel ball allocation units comprise steel ball storehouse and steel ball storehouse base plate, between steel ball storehouse and steel ball storehouse base plate, be provided with can move horizontally send the pearl plate, describedly send the pearl plate to be provided with a plurality of steel balls to go into a hole, be inlaid with on the base plate of described steel ball storehouse and be pressed into needle guard in order to by being pressed into pin; Described steel ball is gone into a hole and is pressed into the number of needle guard and distributes respectively and to be pressed into pin corresponding one by one for said fixing a plurality of in upper and lower clamping plate; Described two extreme positions that send the pearl plate, one is that described a plurality of steel ball is gone into a hole and above-mentioned a plurality of to be pressed into the pin position corresponding one by one, it is corresponding with steel ball storehouse mouth that another is that described steel ball is gone into a hole; Be provided with seal between described steel ball storehouse base plate and the battery clamp; Described needle guide is done upper and lower moving respectively to unit, battery warehouse and the upper and lower clamping plate that fixedly are pressed into pin under separate moving cell drives; By the space that forms between the following each several part is airtight cavity, and promptly described needle guide is to the seal cover of unit, fixedly be pressed into the space that forms between needle guard and the battery clamp that is pressed into of inlaying on the upper and lower clamping plate, steel ball storehouse base plate of pin.
Square lithium ion battery fully automatic vacuum sealing machine of the present invention, wherein: described needle guide connects with the axis of guide on being fixed on frame by guiding transverse slat and guide bearing to the unit, and is moved up and down along the axis of guide by the moving cell drive.Described needle guide drives to do by the high speed pressure unit that is connected with train wheel bridge to the unit and moves up and down, and described needle guide relatively moves to unit and battery warehouse.Described needle guide is done synchronously under moving cell drives to unit and battery warehouse and is moved up and down.Described high speed pressure unit includes the mechanical shock hammer body that master cylinder drives; Described mechanical shock hammer body comprises connector, push rod, impact hammer, gram module unit and the support bar that is arranged in the sleeve and is connected successively with master cylinder, described push rod is connected with described impact hammer endoporus boss by the shaft shoulder of lower end, is provided with spring between described connector and described impact hammer; The lower end of described gram module unit is provided with end cap.Described gram module unit comprises a plurality of gram pieces that are positioned at gram piece frame and the gram piece spring that contacts with each gram piece, and described gram piece spring is fixed by bearing pin.Described moving cell is made of cylinder part.
Utilize the mouth-sealing method of square lithium ion battery fully automatic vacuum sealing machine among the present invention, may further comprise the steps:
(1) behind the startup sealing machine, battery clamp is moved to the service position by the battery clamp moving cell; (2) the descending drive battery of battery warehouse moving cell warehouse seals battery clamp, thereby forms airtight cavity, and this airtight cavity is evacuated to-95kPa air pressure; (3) steel ball distributes the moving cell action, and steel ball is delivered on each battery liquid-filling hole; (4) it is descending to be pressed into the needle movement unit, carries out steel ball and is pressed in advance; (5) the high speed pressure unit is descending, and steel ball is pressed into battery container at a high speed; (6) rise on the high speed pressure unit and reset; (7) open valve body, atmosphere is put into above-mentioned airtight cavity; (8) be pressed on the needle movement unit to rise and reset, drive steel ball and distribute moving cell to reset; (9) battery warehouse moving cell drives the rising of battery warehouse, and battery clamp is replied initial position, so far, finishes one and seals the work period.
The service position of above-mentioned battery clamp is positioned at steel ball storehouse floor below.
Compared with prior art, the invention has the beneficial effects as follows:
(1) because the state of lithium ion battery fully automatic vacuum sealing machine of the present invention when battery seals is the perfect vacuum state, therefore, inside battery vacuum degree height can improve battery performance;
(2) the present invention utilizes mechanization control sealing height, has eliminated the phenomenon that occurs cell thickness bounce-back, bulging in the prior art behind the battery seal fully;
(3) the present invention adopts the mechanical shock hammer body, mechanical strength is big, make and have good sealing after the cell package, stop outside moisture fully and leaked the influence that inside battery into causes active material and organic electrolyte deterioration, thereby battery circulation internal resistance, volume change are little, and battery long service life, performance are excellent;
(4) the present invention adopts automatic dispensing steel ball, has alleviated labour intensity, has improved productivity ratio, can reach 10 battery/30 second, and promptly production capacity is 1 battery/3 second.
Description of drawings
Fig. 1 is a square lithium ion battery fully automatic vacuum sealing machine front view of the present invention;
Fig. 2 is a sealing machine end view as shown in Figure 1;
Fig. 3 is the hammer body of mechanical shock shown in Fig. 1 400 structure amplification views;
Fig. 4-1 and Fig. 4-2 is respectively the two sides view that send pearl plate 731 shown in Fig. 2;
Fig. 5 is that needle guide shown in Fig. 1 is to unit 710 structural representations;
Fig. 6 is the allocation units of steel ball shown in Fig. 2 730 structural representations.
Be the explanation of main position Reference numeral in the Figure of description below:
100---frame 200---high speed pressure unit 300---master cylinders
400---mechanical shock hammer body 500---battery clamp 600---battery warehouses
700---steel ball distributing device 401---support bar 402---connectors
403---impact hammer 404---spring 405---push rods
406---end cap 407---sleeve 410---gram module units
411---gram piece frame 412---gram piece 413---gram piece springs
414---needle guide is to the unit for bearing pin 501---battery 710---
711------being pressed into pin cylinder 713---is pressed into the pin train wheel bridge to be pressed into pin 712
714------O-ring seal 716---is pressed into needle guard to be pressed into pin lower plate 715
717---are pressed into needle guide cover 718---guide bearings 719---guiding transverse slat
720---seal cover 721---axis of guide 730---steel ball allocation units
731------steel ball storehouse 733---steel ball storehouse base plates that send pearl plate 732
Steel ball is gone into a hole to 734---warehouse moves cylinder 735---steel ball distribute cylinder 736---
737---bent plate
Embodiment
The present invention is described in further detail below in conjunction with the drawings and specific embodiments.
As depicted in figs. 1 and 2, the technical scheme that square lithium ion battery fully automatic vacuum sealing machine of the present invention is achieved is: comprise frame 100, high speed pressure unit 200 and battery clamp 500, be provided with steel ball distributing device 700 between described high speed pressure unit 200 and the battery clamp 500; Described high speed pressure unit 200 includes the mechanical shock hammer body 400 that master cylinder 300 drives.As shown in figures 1 and 3, described mechanical shock hammer body 400 comprises the connector 402, push rod 405, the impact hammer 403 that are arranged in the sleeve 407 and are connected successively with master cylinder 300, restrains module unit 410 and support bar 401, described push rod 405 is connected with described impact hammer 403 endoporus boss by the shaft shoulder of lower end, is provided with spring 404 between described connector 402 and described impact hammer 403; The lower end of described gram module unit 410 is provided with end cap 406.Described gram module unit 410 comprises a plurality of gram pieces 412 that are positioned at gram piece frame 411 and the gram piece spring 413 that contacts with each gram piece 412, and described gram piece spring 413 is fixing by bearing pin 414, and the number of described gram piece 411 is preferably four.
Described steel ball distributing device 700 comprise be equipped be pressed into pin 711 needle guide to unit 710 and steel ball allocation units 730; As Fig. 1 and shown in Figure 5, described needle guide comprises fixing a plurality of upper and lower clamping plate 713 and 714 that are pressed into pin 711 to unit 710, both are fixed together described upper and lower clamping plate, the upper end of described train wheel bridge 713 is coated with seal cover 720, the upper design of described train wheel bridge 713 is the spindle nose structure of minor diameter, the hole that this spindle nose passes on the seal cover 720 is connected with the support bar 401 of mechanical shock hammer body 400, be provided with seal between described spindle nose and the seal cover, for example: can be to be provided with a plurality of sealing rings in the axial direction; Described upper and lower clamping plate 713 and 714 are done under the effect of mechanical shock hammer body 400 and are moved up and down together with being pressed into pin 711; Being positioned at each lower end that is pressed into pin 711 is provided with and is pressed into needle guide cover 717.
As Fig. 4-1, Fig. 4-2, Fig. 5 and shown in Figure 6, described steel ball allocation units 730 comprise steel ball storehouse 732 and steel ball storehouse base plate 733, between steel ball storehouse 732 and steel ball storehouse base plate 733, be provided with can move horizontally send pearl plate 731, describedly send pearl plate 731 to be provided with a plurality of steel balls to go into a hole 736, be inlaid with on the described steel ball storehouse base plate 733 and be pressed into needle guard 716, in order to by being pressed into pin 711; Described steel ball is gone into a hole 736 and is pressed into the number of needle guard 716 and distributes respectively and to be pressed into pin 711 corresponding one by one for said fixing a plurality of in upper and lower clamping plate 713 and 714; Described two extreme positions that send pearl plate 731, wherein, extreme position is that described a plurality of steel ball is gone into a hole 736 and above-mentioned a plurality of to be pressed into pin 711 positions corresponding one by one, it is corresponding with 732 mouthfuls of steel ball storehouse that another extreme position is that described steel ball is gone into a hole 736; Be provided with seal 715 between described steel ball storehouse base plate 733 and the battery clamp 500, for example: the plane is provided with a circle groove on can battery clamp 500, in this groove, be inlaid with O-ring seal, press when contacting when the steel ball storehouse base plate 733 and the last plane of battery clamp 500, can guarantee that contact between the two seals; Described needle guide is done upper and lower moving respectively to unit 710, battery warehouse 600 and the upper and lower clamping plate 713 and 714 that fixedly are pressed into pin 711 under separate moving cell drives; By the space that forms between the following each several part is airtight cavity, promptly described needle guide to the seal cover 720 of unit 710, fixedly be pressed into the battery warehouse of inlaying on the upper and lower clamping plate 713 and 714, steel ball storehouse base plate 733 of pin 711 600 that forms between needle guard 716 and the battery clamp 500 that is pressed into and be airtight cavity.
As Fig. 1 and shown in Figure 5, described needle guide is to connect with the axis of guide 721 on being fixed on frame 100 by guiding transverse slat 719 and guide bearing 718 to unit 710 sometimes, as depicted in figs. 1 and 2, be pressed into pin unit 710 by being pressed into the needle movement unit, promptly being pressed into 712 drives of pin cylinder moves up and down along the axis of guide 721, because transverse guides 719 is to fixedly connected with battery warehouse 600, at this moment, described needle guide is to do synchronously to move up and down to unit 710 and battery warehouse 600.In addition, described needle guide is to move up and down by being used as of mechanical shock hammer body 400 that is connected with train wheel bridge 713 to unit 710 sometimes, and at this moment, described needle guide relatively moves with battery warehouse 600 to unit 710.
Moving cell among the present invention all can be made of cylinder part.
Be narration below to the operation principle and the course of work of key feature among the present invention.
The operation principle of mechanical shock hammer body 400 with process is among the present invention: the bar of the master cylinder 300 on connector 402 its tops is connected, when master cylinder 300 presses down, compression spring 404, and promotion push rod 405 moves down, when push rod 405 is displaced downwardly to gram module unit 410, making 4 gram pieces 412 in the gram module unit 410 is that (that is, after push rod 405 moves down into certain position and gram module unit 410 contacts, outwards promoting gram piece 412) outwards launched at the center with bearing pin 414.When gram piece 412 outside rotary expansions extremely broke away from support bar 401 upper ends, spring 404 release pressures promoted impact hammer 403 along axially impact fast downwards of support bar 401, thereby form impact process.When master cylinder 300 is upwards mentioned, drive push rod 405 and move up, push rod 405 drives impact hammer 403 and moves up simultaneously, and the top of support bar 401 will move back to 412 bottom from the top of gram piece 412, so far, finish the one-shot circulation.By that analogy, can repeat above-mentioned impact work according to the frequency of sealing.
Steel ball distributing device 700 is distributed steel ball automatically and steel ball is pressed into the operation principle at battery seal place automatically and process comprises that following steel ball is gone into the position and steel ball is pressed into two parts among the present invention:
Steel ball is gone into the position: as Fig. 2 and shown in Figure 6, steel ball is packed in the steel ball storehouse 732, be provided with between steel ball storehouse 732 and the steel ball storehouse base plate 733 can move forward and backward send pearl plate 731, the structural representation that send pearl plate 731 is shown in Fig. 4-1 and Fig. 4-2, send pearl plate 731 to be provided with row's circular hole and go into a hole 736 as steel ball, its aperture is slightly larger than diameter of the steel ball, send pearl plate 731 1 ends to be provided with bent plate 737, described bent plate 737 distributes the pushing ram of cylinder 735 to be connected by bolt and steel ball, it is double stroke cylinder that described steel ball distributes cylinder 735, when first stroke is implemented, send pearl plate 731 to move at steel ball storehouse 732 bottom levels, when the steel ball on sending pearl plate 731 was gone into the outlet of a hole 736 lucky aligning steel ball storehouse 732, steel ball fully fell into the circular steel ball of a row that send pearl plate 731 to be provided with and goes into a hole 736; When steel ball distributes second stroke of cylinder 735 to implement, send pearl plate 731 to shift out outside steel ball storehouse 732 chambeies with dropping into the steel ball that steel ball goes in the hole 736; Be provided with and send on the pearl plate 731 circular hole one to one on the steel ball storehouse base plate 733 equally, when sending pearl plate 731 to move forward to overlap with the position, hole of steel ball storehouse base plate 733, send steel ball on the pearl plate 731 to go into and drop on the liquid injection hole that is positioned at the battery 501 under the steel ball storehouse base plate 733 after steel balls in the hole 736 will pass circular hole on the steel ball storehouse base plate 733, promptly on the steel ball inlaid hole.
Steel ball is pressed into: as Fig. 1 and shown in Figure 5, when needle guide to unit 710 by the mechanical shock hammer body 400 that is connected with train wheel bridge 713 be used as downward high speed impact the time, be pressed into pin 711 at needle guide under the drive of unit 710, downwards and by being separately positioned on steel ball storehouse 732, one arrange circular hole one to one on release plate 731 and the steel ball storehouse base plate 733, press to steel ball, and steel ball is pressed in the liquid injection hole of battery 501, thereby play effect cell sealing.
Key point of the present invention is: when sending steel ball to go into bit motion and being pressed into pin 711 and pressing down, battery is the confined space under steel ball storehouse base plate 733, and promptly the battery warehouse is airtight, and the sealing space is set to vacuum state.
Utilize mouth-sealing method may further comprise the steps as above-mentioned square lithium ion battery fully automatic vacuum sealing machine:
(1) behind the startup sealing machine, battery clamp 500 is transferred to the below of steel ball storehouse base plate 733 by the battery clamp cylinder;
(2) the descending drive battery of battery warehouse 600 cylinders warehouse 600 and with battery clamp 500 sealing, thus airtight cavity formed, and this airtight cavity is evacuated to-95kPa air pressure;
(3) when beginning, the initial position that send pearl plate 731 is to send on the pearl plate 731 steel ball to go into the exit that a hole 736 is positioned at steel ball storehouse 732 just, and steel ball falls into steel ball respectively and goes into a hole 736; Then, steel ball distributes cylinder 735 actions, owing to send the bent plate on the pearl plate 731 to distribute cylinder part to be connected with steel ball, therefore, steel ball distribution cylinder 735 drives and send pearl plate 731 that steel ball is delivered on each battery liquid-filling hole;
(4) it is descending to be pressed into pin cylinder 712, and drives that to be pressed into pin 711 descending, carries out steel ball and is pressed in advance;
(5) master cylinder 300 descends, thereby it is descending to drive mechanical shock hammer body 400, and steel ball is pressed into battery 501 housings at a high speed;
(6) master cylinder 300 risings reset, and drive 400 risings of mechanical shock hammer body and reset;
(7) vacuum breaking, valve body is opened, and atmosphere is put into above-mentioned airtight cavity;
(8) be pressed into 712 risings of pin cylinder and reset, drive steel ball and distribute cylinder 735 to reset;
(9) warehouse moves cylinder 734 risings, and battery clamp 500 is replied initial positions, so far, finishes one and seals the work period.
The power supply of sealing machine of the present invention adopts 220V, 50HZ, 5A, and the compressed air of connection is: 5KGF/CM2, and the production efficiency of sealing machine of the present invention is 10 battery/30 second, that is: production capacity is 1 battery/3 second.
Although in conjunction with the accompanying drawings the preferred embodiments of the present invention are described above; but the present invention is not limited to above-mentioned embodiment; above-mentioned embodiment only is schematic; rather than it is restrictive; those of ordinary skill in the art is under enlightenment of the present invention; not breaking away under the scope situation that aim of the present invention and claim protect, can also make a lot of forms, these all belong within the protection of the present invention.
Claims (9)
1. a square lithium ion battery fully automatic vacuum sealing machine comprises frame, high speed pressure unit and battery clamp, it is characterized in that:
Be provided with steel ball distributing device between described high speed pressure unit and the battery clamp; Described steel ball distributing device comprise be equipped be pressed into pin needle guide to unit and steel ball allocation units;
Described needle guide comprises fixing a plurality of upper and lower clamping plate that are pressed into pin to the unit, both are fixed together described upper and lower clamping plate, the upper end of described train wheel bridge is coated with seal cover, the top of described train wheel bridge is passed seal cover and is connected with the high speed pressure unit, and described upper and lower clamping plate are done under the drive of high speed pressure unit and moved up and down together with being pressed into pin; Being positioned at each lower end that is pressed into pin is provided with and is pressed into the needle guide cover;
Described steel ball allocation units comprise steel ball storehouse and steel ball storehouse base plate, between steel ball storehouse and steel ball storehouse base plate, be provided with can move horizontally send the pearl plate, describedly send the pearl plate to be provided with a plurality of steel balls to go into a hole, be inlaid with on the base plate of described steel ball storehouse and be pressed into needle guard in order to by being pressed into pin; Described steel ball is gone into a hole and is pressed into the number of needle guard and distributes respectively and to be pressed into pin corresponding one by one for said fixing a plurality of in upper and lower clamping plate; Described two extreme positions that send the pearl plate, one is that described a plurality of steel ball is gone into a hole and above-mentioned a plurality of to be pressed into the pin position corresponding one by one, it is corresponding with steel ball storehouse mouth that another is that described steel ball is gone into a hole;
Be provided with seal between described steel ball storehouse base plate and the battery clamp;
Described needle guide is done upper and lower moving respectively to unit, battery warehouse and the upper and lower clamping plate that fixedly are pressed into pin under separate moving cell drives; By the space that forms between the following each several part is airtight cavity, and promptly described needle guide is to the seal cover of unit, fixedly be pressed into the space that forms between needle guard and the battery clamp that is pressed into of inlaying on the upper and lower clamping plate, steel ball storehouse base plate of pin.
2. according to the described square lithium ion battery fully automatic vacuum of claim 1 sealing machine, it is characterized in that: described needle guide connects with the axis of guide on being fixed on frame by guiding transverse slat and guide bearing to the unit, and is moved up and down along the axis of guide by the moving cell drive.
3. according to the described square lithium ion battery fully automatic vacuum of claim 1 sealing machine, it is characterized in that: described needle guide drives to do by the high speed pressure unit that is connected with train wheel bridge to the unit and moves up and down, and described needle guide relatively moves to unit and battery warehouse.
4. according to the described square lithium ion battery fully automatic vacuum of claim 1 sealing machine, it is characterized in that: described needle guide is done synchronously under moving cell drives to unit and battery warehouse and is moved up and down.
5. according to the described square lithium ion battery fully automatic vacuum of claim 1 sealing machine, it is characterized in that: described high speed pressure unit includes the mechanical shock hammer body that master cylinder drives; Described mechanical shock hammer body comprises connector, push rod, impact hammer, gram module unit and the support bar that is arranged in the sleeve and is connected successively with master cylinder, described push rod is connected with described impact hammer endoporus boss by the shaft shoulder of lower end, is provided with spring between described connector and described impact hammer; The lower end of described gram module unit is provided with end cap.
6. according to the described square lithium ion battery fully automatic vacuum of claim 5 sealing machine, it is characterized in that: described gram module unit comprises a plurality of gram pieces that are positioned at gram piece frame and the gram piece spring that contacts with each gram piece, and described gram piece spring is fixed by bearing pin.
7. according to the described square lithium ion battery fully automatic vacuum of claim 1 sealing machine, it is characterized in that: described moving cell is made of cylinder part.
8. one kind is utilized the mouth-sealing method of square lithium ion battery fully automatic vacuum sealing machine according to claim 1, and it is characterized in that: described mouth-sealing method may further comprise the steps:
(1) behind the startup sealing machine, battery clamp is transferred to the service position by the battery clamp moving cell;
(2) the descending drive battery of battery warehouse moving cell warehouse seals battery clamp, thereby forms airtight cavity, and this airtight cavity is evacuated to-95kPa air pressure;
(3) steel ball distributes the moving cell action, and steel ball is delivered on each battery liquid-filling hole;
(4) it is descending to be pressed into the needle movement unit, carries out steel ball and is pressed in advance;
(5) the high speed pressure unit is descending, and steel ball is pressed into battery container at a high speed;
(6) rise on the high speed pressure unit and reset;
(7) open valve body, atmosphere is put into above-mentioned airtight cavity;
(8) be pressed on the needle movement unit to rise and reset, drive steel ball and distribute moving cell to reset;
(9) battery warehouse moving cell drives the rising of battery warehouse, and battery clamp is replied initial position, so far, finishes one and seals the work period.
9. the mouth-sealing method of described according to Claim 8 square lithium ion battery fully automatic vacuum sealing machine is characterized in that: the service position of described battery clamp is positioned at steel ball storehouse floor below.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100565098A CN100438126C (en) | 2007-01-23 | 2007-01-23 | Fully automatic vacuum capper for square lithium ion battery and its capping method |
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2007100565098A CN100438126C (en) | 2007-01-23 | 2007-01-23 | Fully automatic vacuum capper for square lithium ion battery and its capping method |
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| CN101009366A CN101009366A (en) | 2007-08-01 |
| CN100438126C true CN100438126C (en) | 2008-11-26 |
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| CN102800837A (en) * | 2012-08-28 | 2012-11-28 | 江苏力天新能源科技有限公司 | Sealing device for lithium-ion battery |
| CN103000959B (en) * | 2012-12-21 | 2015-03-11 | 力神迈尔斯动力电池系统有限公司 | Lithium ion battery sealing device and method |
| CN103123957B (en) * | 2013-01-30 | 2015-09-02 | 东莞市鸿宝锂电科技有限公司 | Steel ball equipment beaten automatically by battery |
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| JP2002239762A (en) * | 2001-02-19 | 2002-08-28 | Sony Corp | Method of sealing injection port of container and hermetic container |
| CN1705144A (en) * | 2004-06-01 | 2005-12-07 | 肇庆市风华锂电池有限公司 | Method and apparatus for battery vacuum sealing |
| CN1797835A (en) * | 2004-12-28 | 2006-07-05 | 天津力神电池股份有限公司 | Vacuum seal method of square shaped lithium ion secondary battery |
| CN200997407Y (en) * | 2007-01-23 | 2007-12-26 | 天津丰泽科技有限公司 | Automatic vacuum sealed of square lithium-ion battery |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002239762A (en) * | 2001-02-19 | 2002-08-28 | Sony Corp | Method of sealing injection port of container and hermetic container |
| CN1705144A (en) * | 2004-06-01 | 2005-12-07 | 肇庆市风华锂电池有限公司 | Method and apparatus for battery vacuum sealing |
| CN1797835A (en) * | 2004-12-28 | 2006-07-05 | 天津力神电池股份有限公司 | Vacuum seal method of square shaped lithium ion secondary battery |
| CN200997407Y (en) * | 2007-01-23 | 2007-12-26 | 天津丰泽科技有限公司 | Automatic vacuum sealed of square lithium-ion battery |
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| CN101009366A (en) | 2007-08-01 |
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