CN117748065B - Automatic liquid injection device for soft-package lithium battery - Google Patents
Automatic liquid injection device for soft-package lithium battery Download PDFInfo
- Publication number
- CN117748065B CN117748065B CN202311769472.9A CN202311769472A CN117748065B CN 117748065 B CN117748065 B CN 117748065B CN 202311769472 A CN202311769472 A CN 202311769472A CN 117748065 B CN117748065 B CN 117748065B
- Authority
- CN
- China
- Prior art keywords
- lithium battery
- battery shell
- bearing disc
- fixedly connected
- liquid injection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 143
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 143
- 238000002347 injection Methods 0.000 title claims abstract description 90
- 239000007924 injection Substances 0.000 title claims abstract description 90
- 239000007788 liquid Substances 0.000 title claims abstract description 86
- 239000003792 electrolyte Substances 0.000 claims abstract description 54
- 230000000149 penetrating effect Effects 0.000 claims description 34
- 230000007246 mechanism Effects 0.000 claims description 16
- 230000037452 priming Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 13
- 230000008569 process Effects 0.000 abstract description 11
- 238000007789 sealing Methods 0.000 abstract description 7
- 239000000463 material Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000005381 potential energy Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
Classifications
-
- 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
Landscapes
- Filling, Topping-Up Batteries (AREA)
Abstract
The invention belongs to the technical field of lithium batteries, in particular to an automatic liquid injection device for a soft-package lithium battery, which comprises a workbench, wherein a bearing disc is rotatably arranged above the workbench, the bottom of the bearing disc is connected with an output end of a motor, a plurality of placing grooves are formed in the upper surface of the bearing disc, each placing groove is used for placing a lithium battery shell to be injected, an L-shaped mounting column is fixedly connected to one side of the upper end surface of the workbench, which is close to the bearing disc, a liquid injection head is arranged at a position corresponding to the surface of the L-shaped mounting column and a single lithium battery shell, in the liquid injection process, the distance between the lithium battery shell and the liquid injection head can be changed through an adjusting unit arranged in the liquid injection process, the problem that part of electrolyte splashes to the outside of a lithium battery is avoided, and the part of electrolyte splashes to the position of a sealing plate above the lithium battery shell affects the subsequent sealing performance is avoided.
Description
Technical Field
The invention belongs to the technical field of lithium batteries, and particularly relates to an automatic liquid injection device for a soft-package lithium battery.
Background
The soft package lithium battery is only sleeved with a layer of polymer shell, is structurally packaged by adopting an aluminum plastic film, and can be inflated to split at most under the condition of potential safety hazard, and the internal resistance of the soft package battery is smaller than that of the lithium battery, so that the soft package battery is light in weight and is not easy to explode.
When the lithium battery is produced, electrolyte is mixed with a proper amount of solvent, heated and stirred until the electrolyte is dissolved, the lithium battery shell is cleaned, the cleaned lithium battery shell is put into electrolyte solution to be soaked for a period of time, the soaked lithium battery shell is taken out, and is dried by nitrogen, and then is put into an oven to be dried, the dispersion liquid is injected into the battery shell, and a proper amount of electrolyte is added.
When the electrolyte is injected into the lithium battery shell, as the electrolyte injection part is at a certain distance from the lower inner wall of the lithium battery shell in the electrolyte injection process, the electrolyte can collide with the lower inner wall of the lithium battery shell when the electrolyte falls down to the lower inner wall of the battery shell, so that the problem that the sealing performance of the subsequent sealing plate is affected due to the fact that part of the electrolyte splashes outside the lithium battery and part of the electrolyte splashes to the sealing plate above the lithium battery shell is solved.
Therefore, the invention provides an automatic liquid injection device for a soft-package lithium battery.
Disclosure of Invention
In order to overcome the deficiencies of the prior art, at least one technical problem presented in the background art is solved.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides an automatic priming device of soft packet lithium cell, includes the workstation, the top of workstation rotates installs the support dish, and the bottom and the motor output of support dish are connected, a plurality of standing grooves have been seted up to the upper surface of support dish, and every standing groove is used for placing the lithium cell shell of waiting to annotate the liquid, one side rigid coupling that the up end of workstation is close to the support dish has L type erection column, the surface of L type erection column corresponds position department with single lithium cell shell and is provided with annotates the liquid head, annotates the liquid head and is connected with external electrolyte pot that stores through the conveyer pipe, be provided with pushing mechanism in the L type erection column, pushing mechanism is used for promoting annotating the liquid head to the lithium cell shell and removes, be provided with multiunit fixed establishment on the support dish, fixed establishment is used for fixing the lithium cell shell, be provided with the adjustment unit in the support dish with fixed establishment position department, the adjustment unit is used for adjusting the distance between lithium cell shell and the notes the liquid head.
Preferably, the fixing mechanism comprises a plurality of groups of penetrating frames installed in the bearing disc, the plurality of groups of penetrating frames are arranged above the bearing disc in a circumferential array mode, each group of penetrating frames are provided with an electric push rod above, the telescopic ends of the electric push rods are fixedly connected with annular plates, and the two annular plates corresponding to each other are used for fixing the lithium battery shell.
Preferably, every the material of annular plate is rubber, the inner wall of annular plate is provided with a plurality of rubber friction balls, and rubber material annular plate has the function to lithium cell shell protection, avoids the annular plate to be great to lithium cell shell's stationary power, leads to the problem that damage appears in the lithium cell shell.
Preferably, the adjusting unit comprises a plurality of fixed frames installed above the bearing plate, each fixed frame is internally and rotatably provided with a transverse shaft, the outer surface of each transverse shaft is fixedly connected with a gear, a first ratchet plate is installed at the position corresponding to the gear on the side wall of each penetrating frame, a second ratchet plate is slidably installed at the position corresponding to the gear on the upper surface of the bearing plate, the gears are respectively meshed with the first ratchet plate and the second ratchet plate, the outer wall of the second ratchet plate is fixedly connected with a connecting frame, the pushing mechanism comprises an electric telescopic rod installed on one side of an L-shaped installation column, the telescopic end of each electric telescopic rod is connected with the upper side of the liquid injection head, two L-shaped supporting rods are fixedly connected with the outer surface of the liquid injection head, and the bottoms of the two L-shaped supporting rods are respectively contacted with the upper end faces of the two connecting frames.
Preferably, the upper surface of the bearing disc is provided with a plurality of limit round grooves, the bottom of the connecting frame is provided with a plurality of limit round rods, the bottoms of the limit round rods are slidably arranged in the limit round grooves, and the shape of the limit round rods is matched with the shape of the limit round grooves; during operation, when the link receives the extrusion of L type branch, the link can drive the spacing round bar of its below and move down, and spacing round bar removes in spacing circular slot, under the spacing of spacing circular slot, can ensure that the link drives the gear rotation, and the gear drives ratchet board one and moves up to the convenience is to annotating the regulation of the distance between liquid head and the lithium cell shell.
Preferably, the side wall of the L-shaped mounting column is fixedly connected with a connecting bracket, one side of the connecting bracket, which is close to the L-shaped supporting rod, is provided with a limiting cylinder, and the vertical end of the L-shaped supporting rod penetrates through the inside of the limiting cylinder; when L type branch removes, L type branch can remove in spacing drum, so can make things convenient for L type branch bottom to push down rather than the link that releases, make things convenient for annotating the notes liquid of liquid head to the lithium cell shell.
Preferably, rectangular grooves are formed in the positions, corresponding to the penetrating frames, of the inner parts of the receiving discs, and the bottoms of the penetrating frames slide in the rectangular grooves; the rectangular groove is arranged, so that the penetrating frame can be conveniently used for driving the lithium battery shell to move on the axis, and the distance between the liquid injection head and the lithium battery shell can be conveniently adjusted.
Preferably, two sliding grooves are formed in the receiving disc and located at the groove wall of the rectangular groove, rectangular rods are fixedly connected at positions, corresponding to the two sliding grooves, of the bottom of the penetrating frame, the two rectangular rods are respectively and slidably installed in the two sliding grooves, limiting springs are fixedly connected to the lower end faces of the rectangular rods, and one sides, far away from the rectangular rods, of the limiting springs are fixedly connected to the inner walls of the sliding grooves.
Preferably, the rectangular rod is rotatably provided with a roller at a position corresponding to the chute, and the outer surface of the roller is contacted with the chute wall of the chute; when the device works, the rollers are arranged, so that the rectangular rod can conveniently move up and down in the chute, and the liquid injection head is conveniently and gradually far away from the liquid level of electrolyte.
Preferably, the surface of L type erection column is provided with the expansion bracket, and electric telescopic handle slidable mounting is in the expansion bracket, when top L type branch bottom on the link, under electric telescopic handle and expansion bracket's effect, can make things convenient for two L type branches to drive the upward movement of annotating the liquid head.
The beneficial effects of the invention are as follows:
1. According to the automatic liquid injection device for the soft-package lithium battery, the lithium battery shell after liquid injection is driven by the bearing disc to be transported to a diaphragm placing station, and the diaphragm placing operation is carried out subsequently; in the liquid injection process, through the adjusting unit that sets up, can change the lithium cell shell and annotate the distance between the liquid head in the liquid injection process, avoid annotating the liquid head and the lithium cell shell lower inner wall distance is farther, the electrolyte can collide with the lithium cell shell lower inner wall to lead to the electrolyte part to splash to the outside problem of lithium cell, partly splash to lithium cell shell top closing plate position, influence the problem of follow-up closing plate leakproofness.
2. According to the automatic liquid injection device for the soft-package lithium battery, the ratchet plate I drives the penetrating frame, the electric push rod and the annular plates to move upwards, so that the lithium battery shell between the two annular plates moves towards the liquid injection head, namely the liquid injection head and the lithium battery shell are close to each other, when the bottom of the liquid injection head is close to the lower inner wall of the lithium battery shell, the external controller controls the liquid injection head to input electrolyte into the lithium battery shell again, the distance between the liquid injection head and the inner wall of the lithium battery shell can be reduced, the problem that splash occurs in the lithium battery shell when the electrolyte is input is reduced, on one hand, the cleanness above the bearing disc can be maintained, and on the other hand, the subsequent encapsulation of the lithium battery shell can be facilitated.
3. According to the automatic liquid injection device for the soft-package lithium battery, the through frame drives the rectangular rod to move downwards in the chute, so that the rectangular rod extrudes the limiting spring, the through frame simultaneously drives the ratchet plate I to move when moving downwards, the ratchet plate I drives the ratchet plate II to move upwards through the gear, the ratchet plate II drives the connecting frame to move upwards, the L-shaped supporting rod drives the liquid injection head to move upwards at the bottom of the L-shaped supporting rod on the connecting frame, and therefore when the liquid level of electrolyte in the lithium battery shell is gradually increased, the liquid injection head also gradually moves upwards to be far away from the liquid level of the electrolyte, and the problems that the outer surface of the liquid injection head is stained with excessive electrolyte and drops above the bearing disc due to contact of the subsequent electrolyte with the outer surface of the liquid injection head are avoided.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a schematic view of a portion of an L-shaped mounting post according to the present invention;
FIG. 3 is a schematic view of a portion of a connector frame according to the present invention;
FIG. 4 is a schematic top view of the annular plate of the present invention;
FIG. 5 is a schematic view of a portion of an L-shaped strut in accordance with the present invention;
FIG. 6 is a schematic view of a limiting round bar part structure in the invention;
FIG. 7 is a schematic view of a gear structure according to the present invention;
Fig. 8 is an enlarged view of the structure at a of fig. 7 in the present invention.
In the figure: 1. a work table; 2. a receiving tray; 201. a placement groove; 3. an L-shaped mounting column; 301. an electric telescopic rod; 4. a liquid injection head; 5. a penetrating frame; 6. an electric push rod; 601. an annular plate; 7. a fixed frame; 8. a horizontal axis; 9. a gear; 10. a ratchet plate I; 11. a ratchet plate II; 12. a connecting frame; 13. an L-shaped supporting rod; 14. limiting round grooves; 15. a limit round rod; 16. a connecting bracket; 161. a limit cylinder; 17. rectangular grooves; 18. a chute; 19. a rectangular bar; 20. and a limit spring.
Detailed Description
The invention is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
As shown in fig. 1to 4, the automatic liquid injection device for a soft-package lithium battery according to the embodiment of the invention comprises a workbench 1, wherein a bearing disc 2 is rotatably arranged above the workbench 1, the bottom of the bearing disc 2 is connected with the output end of a motor, a plurality of placing grooves 201 are formed in the upper surface of the bearing disc 2, each placing groove 201 is used for placing a lithium battery shell to be injected, an L-shaped mounting column 3 is fixedly connected to one side, close to the bearing disc 2, of the upper end surface of the workbench 1, a liquid injection head 4 is arranged at a position, corresponding to a single lithium battery shell, of the surface of the L-shaped mounting column 3, the liquid injection head 4 is connected with an external storage electrolyte tank through a conveying pipe, a pushing mechanism is arranged in the L-shaped mounting column 3 and used for pushing the liquid injection head 4 to move into the lithium battery shells, a plurality of groups of fixing mechanisms are arranged on the bearing disc 2 and used for fixing the lithium battery shells, an adjusting unit is arranged at a position, corresponding to the fixing mechanism, in the bearing disc 2, and the adjusting unit is used for adjusting the distance between the lithium battery shells and the liquid injection head 4;
During operation, a lithium battery shell to be injected is conveyed into a placing groove 201 above a bearing disc 2 through an external mechanical arm, the placing groove 201 is used for initially placing the lithium battery shell, then the lithium battery shell is fixed through a fixing mechanism, a motor is controlled to drive the bearing disc 2 to rotate, the bearing disc 2 drives the lithium battery shell to rotate on the same vertical line as an injection head 4, an external storage electrolyte tank is controlled to inject electrolyte into a conveying pipe and the injection head 4, after one-time injection is completed, the injection of the injection head 4 is stopped, the bearing disc 2 is controlled to rotate again, the bearing disc 2 drives the lithium battery shell after the injection is completed to be transported to a diaphragm placing station, and a diaphragm is placed subsequently; in the liquid injection process, through the adjusting unit that sets up, can change the distance between lithium cell shell and the notes liquid head 4 in the liquid injection process, avoid annotating liquid head 4 and lithium cell shell lower inner wall distance far away, electrolyte can collide with lithium cell shell lower inner wall to lead to the electrolyte part to splash to the outside problem of lithium cell, partly splash to lithium cell shell top closing plate position, influence the problem of follow-up closing plate leakproofness.
As shown in fig. 2 to 5, the fixing mechanism includes a plurality of groups of penetrating frames 5 installed in the receiving tray 2, the plurality of groups of penetrating frames 5 are arranged above the receiving tray 2 in a circumferential array, electric push rods 6 are arranged above each group of penetrating frames 5, an annular plate 601 is fixedly connected to a telescopic end of each electric push rod 6, and two annular plates 601 corresponding to each other are used for fixing the lithium battery case; during operation, when the standing groove 201 top is arranged in to the lithium cell shell, through the control electric putter 6 that runs through on the frame 5 remove, electric putter 6's flexible end drives annular plate 601 and removes, and two annular plates 601 can contact with the lithium cell shell when being close to each other to fix the lithium cell shell, so can not only ensure annotate the stability of liquid head 4 at annotating the liquid in-process, but also can make things convenient for follow-up annotating the stability of liquid in the rotation in-process of back support dish 2 after accomplishing, be favorable to follow-up operation.
Every the material of annular plate 601 is rubber, the inner wall of annular plate 601 is provided with a plurality of rubber friction balls, and rubber material annular plate 601 has the function to lithium cell shell protection, avoids annular plate 601 to be great to the fixed force of lithium cell shell, leads to the problem that the damage appears in the lithium cell shell.
As shown in fig. 4 to 7, the adjusting unit comprises a plurality of fixed frames 7 installed above the receiving disc 2, a transverse shaft 8 is rotatably installed in each fixed frame 7, a gear 9 is fixedly connected to the outer surface of each transverse shaft 8, a first ratchet plate 10 is installed at a position corresponding to the gear 9 on the side wall of each penetrating frame 5, a second ratchet plate 11 is slidably installed at a position corresponding to the gear 9 on the upper surface of the receiving disc 2, the gear 9 is meshed with the first ratchet plate 10 and the second ratchet plate 11 respectively, a connecting frame 12 is fixedly connected to the outer wall of the second ratchet plate 11, the pushing mechanism comprises an electric telescopic rod 301 installed on one side of each L-shaped installation column 3, the telescopic end of each electric telescopic rod 301 is connected with the upper side of each liquid injection head 4, two L-shaped supporting rods 13 are fixedly connected to the outer surface of each liquid injection head 4, and the bottoms of the two L-shaped supporting rods 13 are respectively contacted with the upper end faces of the two connecting frames 12; during operation, when the lithium battery shell to be injected is moved to be on the same vertical line with the injection head 4, the telescopic end of the electric telescopic rod 301 is controlled to drive the injection head 4 to move downwards, the injection head 4 can move towards the inner wall of the lithium battery shell, the L-shaped supporting rods 13 on two sides are simultaneously driven to move downwards when the injection head 4 moves downwards, the L-shaped supporting rods 13 move downwards and press the connecting frame 12, the connecting frame two 12 presses the ratchet plate two 11, the ratchet plate two 11 can drive the ratchet plate one 10 on the other side to move upwards through the gear 9 meshed with the ratchet plate two 11, the ratchet plate one 10 can drive the penetrating frame 5, the electric push rod 6 and the annular plate 601 to move upwards, the lithium battery shell between the two annular plates 601 moves towards the injection head 4, namely the injection head 4 and the lithium battery shell are mutually close, when the bottom of the injection head 4 is close to the lower inner wall of the lithium battery shell, the external controller can control the injection head 4 to input electrolyte into the lithium battery shell again, the distance between the injection head 4 and the inner wall of the lithium battery shell can be reduced, the problem that the lithium battery shell can not be easily sealed after the lithium battery shell is completely and the problem of the lithium battery shell is not only can be conveniently packaged, but also the lithium battery shell is convenient to be packaged.
The upper surface of the receiving disc 2 is provided with a plurality of limit round grooves 14, the bottom of the connecting frame 12 is provided with a plurality of limit round rods 15, the bottom of each limit round rod 15 is slidably arranged in each limit round groove 14, and the shape of each limit round rod 15 is matched with the shape of each limit round groove 14; when the connecting frame 12 is extruded by the L-shaped supporting rod 13 during operation, the connecting frame 12 can drive the limiting round rod 15 below the connecting frame to move downwards, the limiting round rod 15 moves in the limiting round groove 14, the connecting frame 12 can be ensured to drive the gear 9 to rotate under the limiting of the limiting round groove 14, the gear 9 drives the ratchet plate I10 to move upwards, and therefore the distance between the liquid injection head 4 and the lithium battery shell can be conveniently adjusted.
The side wall of the L-shaped mounting column 3 is fixedly connected with a connecting bracket 16, one side, close to the L-shaped supporting rod 13, of the connecting bracket 16 is provided with a limiting cylinder 161, and the vertical end of the L-shaped supporting rod 13 penetrates through the inside of the limiting cylinder 161; when the L-shaped supporting rod 13 moves, the L-shaped supporting rod 13 can move in the limiting cylinder 161, so that the bottom end of the L-shaped supporting rod 13 can be conveniently pressed down to release the connecting frame 12, and the liquid injection head 4 can conveniently inject liquid into the lithium battery shell.
As shown in fig. 5 to 8, a rectangular groove 17 is formed in the tray 2 at a position corresponding to the through frame 5, and the bottom of the through frame 5 slides in the rectangular groove 17; the rectangular groove 17 is arranged, so that the penetrating frame 5 can be conveniently penetrated to drive the lithium battery shell to move on the axis, and the distance between the liquid injection head 4 and the lithium battery shell can be conveniently adjusted.
As shown in fig. 7 to 8, two sliding grooves 18 are formed in the receiving tray 2 and located at the groove wall positions of the rectangular grooves 17, rectangular rods 19 are fixedly connected to the bottom of the penetrating frame 5 and at positions corresponding to the two sliding grooves 18, the two rectangular rods 19 are respectively slidably mounted in the two sliding grooves 18, a limit spring 20 is fixedly connected to the lower end surface of each rectangular rod 19, and one side, away from the rectangular rods 19, of each limit spring 20 is fixedly connected to the inner wall of each sliding groove 18; when the lithium battery pack is in operation, in an initial state, namely when the L-shaped supporting rod 13 does not squeeze the connecting frame 12 yet, the limiting spring 20 only receives the pressure of the lithium battery pack, and the compression amount is small; when the bottom of the L-shaped supporting rod 13 presses down the connecting frame 12, namely, the penetrating frame 5 drives the lithium battery shell to move upwards, the penetrating frame 5 drives the rectangular rod 19 and the limiting spring 20 to move upwards, the limiting spring 20 is in a stretching state, when the electrolyte in the lithium battery shell gradually increases when the electrolyte injection head 4 injects liquid into the lithium battery shell, the weight of the lithium battery shell and the electrolyte in the lithium battery shell is larger than the elastic potential energy of the limiting spring 20, the lithium battery shell and the electrolyte in the lithium battery shell slowly drive the penetrating frame 5 to move downwards, the penetrating frame 5 drives the rectangular rod 19 to move downwards in the chute 18, so that the rectangular rod 19 extrudes the limiting spring 20, and run through frame 5 and can drive ratchet board one 10 simultaneously and remove when moving down, ratchet board one 10 passes through gear 9 and drives ratchet board two 11 and move up, ratchet board two 11 drive link 12 and move up, the bottom of the L type branch 13 of link 12 top, L type branch 13 can drive notes liquid head 4 and move up, so when the liquid level of the inside electrolyte of lithium cell shell increases gradually in this moment, annotate liquid head 4 and also can gradually move up, make it keep away from the liquid level of electrolyte, avoid follow-up electrolyte and annotate the contact of liquid head 4 surface, lead to annotating the problem that liquid head 4 surface is stained with too much electrolyte to the drip is in the tray 2 top.
The rectangular rod 19 is rotatably provided with a roller at a position corresponding to the chute 18, and the outer surface of the roller is contacted with the wall of the chute 18; in operation, the rollers are arranged, so that the rectangular rod 19 can conveniently move up and down in the chute 18, and the liquid injection head 4 can conveniently and gradually keep away from the liquid level of the electrolyte.
The surface of L type erection column 3 is provided with the expansion bracket, and electric telescopic handle 301 slidable mounting is in the expansion bracket, when the top L type branch 13 bottom on link 12, under electric telescopic handle 301 and expansion bracket's effect, can make things convenient for two L type branches 13 to drive the upward movement of annotating liquid head 4.
During operation, a lithium battery shell to be injected is conveyed into a placing groove 201 above a bearing disc 2 through an external mechanical arm, the placing groove 201 is used for initially placing the lithium battery shell, then the lithium battery shell is fixed through a fixing mechanism, a motor is controlled to drive the bearing disc 2 to rotate, the bearing disc 2 drives the lithium battery shell to rotate on the same vertical line as an injection head 4, an external storage electrolyte tank is controlled to inject electrolyte into a conveying pipe and the injection head 4, after one-time injection is completed, the injection of the injection head 4 is stopped, the bearing disc 2 is controlled to rotate again, the bearing disc 2 drives the lithium battery shell after the injection is completed to be transported to a diaphragm placing station, and a diaphragm is placed subsequently; in the liquid injection process, the distance between the lithium battery shell and the liquid injection head 4 can be changed in the liquid injection process through the arranged adjusting unit, so that the problem that part of electrolyte splashes to the outside of the lithium battery and the position of the sealing plate above the lithium battery shell influences the tightness of the subsequent sealing plate due to the fact that the electrolyte collides with the lower inner wall of the lithium battery shell due to the fact that the liquid injection head 4 is far away from the lower inner wall of the lithium battery shell is avoided; when the lithium battery shell is placed above the placing groove 201, the electric push rod 6 on the penetrating frame 5 is controlled to move, the telescopic end of the electric push rod 6 drives the annular plates 601 to move, and when the two annular plates 601 are close to each other, the two annular plates are contacted with the lithium battery shell and fix the lithium battery shell, so that the stability of the liquid injection head 4 in the liquid injection process can be ensured, the stability of the bearing disc 2 in the rotation process after the follow-up liquid injection is finished can be facilitated, and the follow-up operation is facilitated;
When a lithium battery shell to be injected is moved to be on the same vertical line with the injection head 4, at the moment, the telescopic end of the electric telescopic rod 301 is controlled to drive the injection head 4 to move downwards, the injection head 4 can move towards the inner part close to the lithium battery shell, the L-shaped supporting rods 13 on two sides are simultaneously driven to move downwards when the injection head 4 moves downwards, the L-shaped supporting rods 13 move downwards and press the connecting frame 12 downwards, the connecting frame second 12 presses the ratchet plate second 11, the ratchet plate second 11 drives the ratchet plate first 10 on the other side to move upwards through the gear 9 meshed with the ratchet plate second 11, the ratchet plate first 10 can drive the through frame 5, the electric push rod 6 and the annular plates 601 to move upwards, so that the lithium battery shell between the two annular plates 601 moves towards the injection head 4, namely the injection head 4 and the lithium battery shell are mutually close, and when the bottom of the injection head 4 is close to the lower inner wall of the lithium battery shell, at the moment, the outer controller can control the injection head 4 to input electrolyte into the inner part of the lithium battery shell again, so that the distance between the injection head 4 and the inner wall of the lithium battery shell can be reduced, the problem that the inner part of the lithium battery shell can not be conveniently sealed when the electrolyte is input, and the problem of the lithium battery shell can not be maintained in the following direction of the following battery shell; when the connecting frame 12 is extruded by the L-shaped supporting rod 13, the connecting frame 12 drives the limiting round rod 15 below the connecting frame to move downwards, the limiting round rod 15 moves in the limiting round groove 14, and under the limiting of the limiting round groove 14, the connecting frame 12 can be ensured to drive the gear 9 to rotate, and the gear 9 drives the ratchet plate I10 to move upwards, so that the distance between the liquid injection head 4 and the lithium battery shell can be conveniently adjusted;
In an initial state, namely when the L-shaped supporting rod 13 does not squeeze the connecting frame 12 yet, the limiting spring 20 only receives the pressure of the lithium battery shell, and the compression amount is small; when the bottom of the L-shaped supporting rod 13 is pressed down on the connecting frame 12, namely, the penetrating frame 5 drives the lithium battery shell to move upwards, the penetrating frame 5 drives the rectangular rod 19 and the limiting spring 20 to move upwards, the limiting spring 20 is in a stretching state, when the electrolyte in the lithium battery shell is gradually increased when the electrolyte filling head 4 is filled into the lithium battery shell, the weight of the lithium battery shell and the electrolyte in the lithium battery shell is larger than the elastic potential energy of the limiting spring 20, the lithium battery shell and the electrolyte in the lithium battery shell slowly drive the penetrating frame 5 to move downwards, the penetrating frame 5 drives the rectangular rod 19 to move downwards in the chute 18, so that the rectangular rod 19 presses the limiting spring 20, and the penetrating frame 5 simultaneously drives the ratchet plate I10 to move upwards through the gear 9, the ratchet plate II 11 drives the connecting frame 12 to move upwards, and when the electrolyte level in the lithium battery shell is gradually increased, the electrolyte filling head 4 is gradually increased, and the electrolyte filling head is gradually kept away from the outer surface of the electrolyte filling head 4, and the electrolyte is prevented from being contacted with the outer surface of the electrolyte filling head 4; when the bottom of the L-shaped supporting rod 13 is propped up on the connecting frame 12, the two L-shaped supporting rods 13 can conveniently drive the liquid injection head 4 to move upwards under the action of the electric telescopic rod 301 and the telescopic frame.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (3)
1. The utility model provides an automatic priming device of soft packet of lithium cell which characterized in that: the lithium battery shell filling machine comprises a workbench (1), wherein a bearing disc (2) is rotatably arranged above the workbench (1), the bottom of the bearing disc (2) is connected with the output end of a motor, a plurality of placing grooves (201) are formed in the upper surface of the bearing disc (2), each placing groove (201) is used for placing a lithium battery shell to be filled with liquid, an L-shaped mounting column (3) is fixedly connected to one side, close to the bearing disc (2), of the upper end surface of the workbench (1), an injection head (4) is arranged at the position, corresponding to a single lithium battery shell, of the surface of the L-shaped mounting column (3), the injection head (4) is connected with an external storage electrolyte tank through a conveying pipe, a pushing mechanism is arranged in the L-shaped mounting column (3) and used for pushing the injection head (4) to move into the lithium battery shell, a plurality of groups of fixing mechanisms are arranged on the bearing disc (2), an adjusting unit is arranged at the position, corresponding to the fixing mechanism, in the bearing disc (2), and the adjusting unit is used for adjusting the distance between the lithium battery shell and the injection head (4);
The fixing mechanism comprises a plurality of groups of penetrating frames (5) arranged in the bearing disc (2), the plurality of groups of penetrating frames (5) are arranged above the bearing disc (2) in a circumferential array, electric push rods (6) are arranged above each group of penetrating frames (5), annular plates (601) are fixedly connected to telescopic ends of the electric push rods (6), and two annular plates (601) corresponding to each other are used for fixing the lithium battery case; the annular plates (601) are made of rubber, and a plurality of rubber friction balls are arranged on the inner wall of each annular plate (601);
The adjusting unit comprises a plurality of fixed frames (7) arranged above the bearing disc (2), a transverse shaft (8) is rotatably arranged in each fixed frame (7), gears (9) are fixedly connected to the outer surfaces of the transverse shafts (8), first ratchet plates (10) are arranged at positions corresponding to the gears (9) on the side walls of the penetrating frames (5), second ratchet plates (11) are slidably arranged at positions corresponding to the gears (9) on the upper surface of the bearing disc (2), the gears (9) are respectively meshed with the first ratchet plates (10) and the second ratchet plates (11), connecting frames (12) are fixedly connected to the outer walls of the second ratchet plates (11), the pushing mechanism comprises electric telescopic rods (301) arranged on one side of each L-shaped mounting column (3), telescopic ends of the electric telescopic rods (301) are connected with the upper parts of the liquid injection heads (4), two L-shaped supporting rods (13) are fixedly connected to the outer surfaces of the liquid injection heads (4), and bottoms of the two L-shaped supporting rods (13) are respectively contacted with the upper end faces of the two connecting frames (12);
The upper surface of the receiving disc (2) is provided with a plurality of limit round grooves (14), the bottom of the connecting frame (12) is provided with a plurality of limit round rods (15), the bottom of each limit round rod (15) is slidably arranged inside each limit round groove (14), and the shape of each limit round rod (15) is matched with the shape of each limit round groove (14);
the side wall of the L-shaped mounting column (3) is fixedly connected with a connecting bracket (16), one side, close to the L-shaped supporting rod (13), of the connecting bracket (16) is provided with a limiting cylinder (161), and the vertical end of the L-shaped supporting rod (13) penetrates through the inside of the limiting cylinder (161); rectangular grooves (17) are formed in the positions, corresponding to the penetrating frames (5), of the inner parts of the receiving plates (2), and the bottoms of the penetrating frames (5) slide in the rectangular grooves (17);
Two sliding grooves (18) are formed in the receiving disc (2) and located at the groove wall of the rectangular groove (17), rectangular rods (19) are fixedly connected to the positions, corresponding to the two sliding grooves (18), of the bottom of the penetrating frame (5), the two rectangular rods (19) are respectively and slidably mounted in the two sliding grooves (18), limiting springs (20) are fixedly connected to the lower end faces of the rectangular rods (19), and one side, away from the rectangular rods (19), of each limiting spring (20) is fixedly connected to the inner wall of the corresponding sliding groove (18).
2. The automatic liquid filling device for soft-package lithium batteries according to claim 1, wherein: and the rectangular rod (19) is rotatably provided with a roller at a position corresponding to the chute (18), and the outer surface of the roller is contacted with the chute wall of the chute (18).
3. The automatic liquid filling device for soft-package lithium batteries according to claim 1, wherein: the surface of L type erection column (3) is provided with the expansion bracket, and electric telescopic handle (301) slidable mounting is in the expansion bracket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311769472.9A CN117748065B (en) | 2023-12-20 | 2023-12-20 | Automatic liquid injection device for soft-package lithium battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311769472.9A CN117748065B (en) | 2023-12-20 | 2023-12-20 | Automatic liquid injection device for soft-package lithium battery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117748065A CN117748065A (en) | 2024-03-22 |
| CN117748065B true CN117748065B (en) | 2024-07-12 |
Family
ID=90254209
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311769472.9A Active CN117748065B (en) | 2023-12-20 | 2023-12-20 | Automatic liquid injection device for soft-package lithium battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117748065B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN217788753U (en) * | 2022-06-14 | 2022-11-11 | 深圳市中顺新能电池有限公司 | Cylindrical battery liquid injection device |
| CN116053724A (en) * | 2022-11-30 | 2023-05-02 | 江西华立源锂能科技股份有限公司 | Lithium battery liquid injection mechanism |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU416793A1 (en) * | 1972-03-21 | 1974-02-25 | ||
| CN212848731U (en) * | 2020-09-23 | 2021-03-30 | 江西飞扬新能源有限公司 | Liquid injection machine for cylindrical lithium battery |
| CN114552148B (en) * | 2022-03-21 | 2022-07-12 | 深圳市格林晟科技有限公司 | Centrifugal battery liquid injection mechanism and liquid injection method thereof |
| CN217956085U (en) * | 2022-06-23 | 2022-12-02 | 江苏星凯新能源科技有限公司 | Automatic liquid and buffer memory device of annotating of electric capacity |
| CN218145819U (en) * | 2022-08-12 | 2022-12-27 | 湖北清港环保科技有限公司 | Auxiliary lifting device of filling production line |
| CN115939699A (en) * | 2023-01-13 | 2023-04-07 | 江西汇兴智能装备有限公司 | Electrolyte injection equipment is used in lithium cell production |
| CN117134080A (en) * | 2023-10-09 | 2023-11-28 | 江西力莱科技有限公司 | Annotate liquid machine with press from both sides tight structure |
-
2023
- 2023-12-20 CN CN202311769472.9A patent/CN117748065B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN217788753U (en) * | 2022-06-14 | 2022-11-11 | 深圳市中顺新能电池有限公司 | Cylindrical battery liquid injection device |
| CN116053724A (en) * | 2022-11-30 | 2023-05-02 | 江西华立源锂能科技股份有限公司 | Lithium battery liquid injection mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN117748065A (en) | 2024-03-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204361178U (en) | The feeding system of button cell Electrical Discharge Machine | |
| CN203134901U (en) | Soft package lithium battery full-automatic five-in-one forming machine | |
| CN117748065B (en) | Automatic liquid injection device for soft-package lithium battery | |
| CN205069755U (en) | Laminate polymer battery toasts in vacuum and annotates liquid capper | |
| CN204486328U (en) | The blanking system of button cell Electrical Discharge Machine | |
| CN218731184U (en) | Lithium battery top sealing machine with positioning structure | |
| CN209344222U (en) | A kind of full-automatic filling machine for cylinder type lithium battery | |
| CN212268009U (en) | Plastic packaging bag sealing device | |
| CN214216259U (en) | Boxing mechanism of round bottle labeling machine | |
| CN113471644A (en) | Electrolyte injection system suitable for lithium battery production | |
| CN218139119U (en) | Heat conduction gel environment-friendly processing equipment | |
| CN202996980U (en) | Battery enveloped-film positioning device | |
| CN221093665U (en) | Canning bottle lid encapsulation equipment | |
| CN216862820U (en) | Turnover machine of lead-acid storage battery | |
| CN221091511U (en) | Projector packaging bag sealing equipment | |
| CN204361737U (en) | Button cell Electrical Discharge Machine | |
| CN221607758U (en) | Polyurethane foaming glue filling equipment | |
| CN218333866U (en) | Lithium battery packaging device | |
| CN214353634U (en) | Vulcanizing machine auxiliary mechanism for tire manufacturing | |
| CN219275616U (en) | Storage battery preheating and packaging device | |
| CN220934355U (en) | Battery priming device | |
| CN204361205U (en) | The discharge system of button cell Electrical Discharge Machine | |
| CN220996891U (en) | Sealing device | |
| CN217196940U (en) | Device for pasting protective film | |
| CN221394408U (en) | Small pot tea packaging mechanism |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |