CN108832073B - Liquid injection equipment - Google Patents
Liquid injection equipment Download PDFInfo
- Publication number
- CN108832073B CN108832073B CN201810960003.8A CN201810960003A CN108832073B CN 108832073 B CN108832073 B CN 108832073B CN 201810960003 A CN201810960003 A CN 201810960003A CN 108832073 B CN108832073 B CN 108832073B
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- Prior art keywords
- liquid injection
- plate
- bag opening
- adsorption mechanism
- driving
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- 239000007788 liquid Substances 0.000 title claims abstract description 204
- 238000002347 injection Methods 0.000 title claims abstract description 128
- 239000007924 injection Substances 0.000 title claims abstract description 128
- 230000007246 mechanism Effects 0.000 claims abstract description 161
- 238000001179 sorption measurement Methods 0.000 claims description 79
- 238000005070 sampling Methods 0.000 claims description 37
- 230000037452 priming Effects 0.000 claims description 34
- 238000000034 method Methods 0.000 claims description 12
- 230000008569 process Effects 0.000 claims description 10
- 230000003068 static effect Effects 0.000 claims description 6
- 230000009471 action Effects 0.000 claims description 3
- 230000003247 decreasing effect Effects 0.000 claims description 3
- 239000012530 fluid Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000000243 solution Substances 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/60—Arrangements or processes for filling or topping-up with liquids; Arrangements or processes for draining liquids from casings
- H01M50/668—Means for preventing spilling of liquid or electrolyte, e.g. when the battery is tilted or turned over
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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
Abstract
The invention provides a liquid injection device, which relates to the technical field of soft package battery cell production, and is used for injecting liquid into the soft package battery cell and comprises the following components: the liquid injection device comprises a liquid injection clamp, a bag opening device and a liquid injection device, wherein the bag opening device is arranged between the liquid injection clamp and the liquid injection device; the liquid injection clamp comprises a clamp body and a first driving mechanism, wherein the clamp body is used for fixing the soft package battery cell; the bag opening device comprises a floating plate and a frame, wherein the floating plate is provided with a bag opening mechanism, and the bag opening mechanism is used for opening an air bag of the soft package battery cell; the first driving mechanism is used for driving the clamp body to move towards the bag opening device so as to enable the soft package battery core to enter a working area of the bag opening mechanism; the floating plate is slidably connected to the frame along the direction of the liquid injection clamp towards the liquid injection device, so that the liquid injection clamp can push the floating plate to move towards the liquid injection device together under the driving of the first driving mechanism. The mode that the air bag moves towards the liquid injection device is adopted, and liquid dripping caused by vibration of the liquid injection drop pipe is avoided.
Description
Technical Field
The invention relates to the technical field of soft package battery core production, in particular to liquid injection equipment.
Background
In the process of producing and manufacturing the soft package battery core, the soft package battery core needs to be injected with liquid. In the liquid injection process, the air bag opening of the soft package battery core is required to be opened, and then liquid injection is carried out on the soft package battery core.
The existing liquid injection equipment comprises a liquid injection clamp, a bag opening device and a liquid injection device, wherein the liquid injection clamp is used for fixedly clamping the soft package battery cell, the bag opening device is used for opening an air bag of the soft package battery cell, and the liquid injection device is used for injecting liquid into the air bag after opening. The specific working process is as follows: firstly, opening an air bag of a soft package battery core fixed on a liquid injection clamp by a bag opening device; secondly, a liquid injection mechanism on the liquid injection device moves towards the opening of the air bag until a liquid injection drop pipe on the liquid injection mechanism stretches into the air bag; and thirdly, the liquid injection device performs liquid injection operation.
The existing liquid injection equipment has the following problems: on the one hand, the liquid injection mechanism moves to the position of the soft package battery core, liquid in the liquid injection dropper is easy to drop due to vibration generated by movement, so that the liquid injection amount of the soft package battery core is inaccurate, and the quality of the soft package battery core is affected; on the other hand, the bag opening device firstly opens the bag, then the liquid injection mechanism moves towards the air bag opening, finally liquid is injected into the air bag, the waiting time between each liquid injection step is long, and the whole liquid injection flow takes long time.
Disclosure of Invention
The invention aims to provide liquid injection equipment so as to solve the technical problems that liquid injection of the liquid injection equipment is inaccurate and the liquid injection time is long in the prior art.
In a first aspect, an embodiment of the present invention provides a liquid injection device, configured to inject liquid into a soft package battery cell, including: the device comprises a liquid injection clamp, a bag opening device and a liquid injection device, wherein the bag opening device is positioned between the liquid injection clamp and the liquid injection device;
the liquid injection clamp comprises a clamp body and a first driving mechanism, wherein the clamp body is used for fixing the soft package battery cell;
the bag opening device comprises a floating plate and a frame, wherein a bag opening mechanism is arranged on the floating plate and used for opening an air bag of the soft package battery cell;
the first driving mechanism is used for driving the clamp body to move towards the bag opening device so as to enable the soft package battery cell to enter a working area of the bag opening mechanism;
along the direction of annotating liquid anchor clamps orientation annotate the liquid device, floating plate sliding connection is in the frame, so that annotate liquid anchor clamps under the drive of first actuating mechanism can promote the floating plate together towards annotate liquid device motion.
Further, a plurality of first guide posts are arranged on the rack, a first guide sleeve is sleeved on the first guide posts in a sliding manner, and the floating plate is fixed on the first guide sleeve;
the first guide post is provided with an upper limiting plate and a lower limiting plate at intervals, and the first guide sleeve is positioned between the upper limiting plate and the lower limiting plate.
Further, the bag opening mechanism comprises a first adsorption mechanism and a second adsorption mechanism which are opposite and are arranged at intervals;
the gap between the first adsorption mechanism and the second adsorption mechanism forms a working area of the bag opening mechanism.
Further, the bag opening mechanism comprises a second driving mechanism, and the second driving mechanism is respectively connected with the first adsorption mechanism and the second adsorption mechanism and is used for driving the first adsorption mechanism and the second adsorption mechanism to move towards opposite directions or directions opposite to each other.
Further, cam seats are arranged on the first adsorption mechanism and the second adsorption mechanism, and cams are arranged on the cam seats;
the second driving mechanism comprises a cam plate, a first cam groove and a second cam groove are arranged on the cam plate, the distance between the first cam groove and the second cam groove is gradually increased or decreased along the direction perpendicular to the connecting line of the first adsorption mechanism and the second adsorption mechanism, and the cams on the first adsorption mechanism and the second adsorption mechanism are respectively connected in the first cam groove and the second cam groove in a sliding manner;
the bag opening mechanism comprises a driving assembly, wherein the driving assembly is connected with the cam plate and is used for driving the cam plate to move along the direction perpendicular to the connecting line of the first adsorption mechanism and the second adsorption mechanism, so that when the cam slides in the first cam groove and the second cam groove, the distance between the first adsorption mechanism and the second adsorption mechanism is changed.
Further, the driving assembly comprises a first driving cylinder and a second driving cylinder which are connected end to end, the driving end of the first driving cylinder is connected with the second driving cylinder, and the driving end of the second driving cylinder is connected with the cam plate.
Further, a third adsorption mechanism and a fourth adsorption mechanism are arranged on the floating plate, and the third adsorption mechanism is connected with the first adsorption mechanism through a first connecting piece, so that the third adsorption mechanism and the first adsorption mechanism have the same motion state;
the fourth adsorption mechanism is connected with the second adsorption mechanism through a second connecting piece, so that the fourth adsorption mechanism and the second adsorption mechanism have the same motion state.
Further, the liquid injection device comprises a bottom plate and a liquid injection assembly arranged on the bottom plate, the liquid injection assembly comprises a liquid injection dropper and a support frame, one end of the liquid injection drop pipe is fixed on the support frame, and the other end of the liquid injection drop pipe penetrates through the bottom plate;
the priming device includes raffinate collection subassembly and third actuating mechanism, the subassembly is collected to the raffinate includes the raffinate collection cup, third actuating mechanism with the subassembly is collected to the raffinate is connected, is used for the drive the subassembly is collected to the raffinate moves, so that the raffinate is collected the cup and is moved to annotate the liquid outlet below of liquid burette.
Further, the liquid injection device comprises a sampling device, the liquid injection device comprises an upper mounting plate, and the liquid injection device is connected to the upper mounting plate in a sliding manner, so that the liquid injection device can reciprocate above the sampling device and above the bag opening device.
Further, the sampling device comprises a sampling plate and a fourth driving mechanism, and a sampling cup corresponding to the liquid injection assembly is arranged on the sampling plate;
the fourth driving mechanism is connected with the sampling plate and used for driving the sampling plate to move towards the priming device.
The embodiment of the invention has the following beneficial effects:
the liquid injection device provided by the embodiment of the invention is used for injecting liquid into the soft-package battery cell and comprises the following components: annotate liquid anchor clamps, opening bagging apparatus and priming device, opening bagging apparatus is located annotate between liquid anchor clamps and the priming device, annotate the fixed soft packet of electric core of liquid anchor clamps, annotate liquid anchor clamps and transport soft packet of electric core and open bagging apparatus department and carry out the opening of air pocket, then the priming device is annotating liquid to the air pocket. Specifically, annotate liquid anchor clamps include anchor clamps body and first actuating mechanism, the anchor clamps body is used for the soft packet of electric core of centre gripping. The bag opening device comprises a floating plate and a frame, and a bag opening mechanism is arranged on the floating plate. The first driving mechanism is used for driving the clamp body to move towards the bag opening device so that the soft package battery cell enters the working area of the bag opening mechanism. Along annotate liquid anchor clamps orientation the direction of priming device, floating plate sliding connection is in the frame, when annotating liquid anchor clamps towards the bagging apparatus motion that opens, the soft packet of electric core on the notes liquid anchor clamps can enter into the work area of opening the bagging apparatus earlier, then when annotating liquid anchor clamps and continuing to move to the direction that priming device is located, will upwards push up the floating plate, and the in-process of motion opens the bagging apparatus and can open the air pocket mouth of soft packet of electric core. In the bag opening process, the soft package battery core and the bag opening mechanism are kept relatively static, and the bag opening is reliable and stable. The soft package cell moves towards the liquid injection device, so that a liquid injection drop pipe on the liquid injection device is inserted into the air bag, and then the liquid injection device injects liquid into the air bag. Compared with the traditional liquid injection equipment, the liquid injection equipment provided by the embodiment of the invention adopts a mode that the air bag moves towards the liquid injection device, so that liquid dripping caused by vibration of the liquid injection drop pipe is avoided. In addition, when the liquid filling clamp is propped against the floating plate, the soft package battery core and the bag opening mechanism are kept relatively static, and the bag opening mechanism can open the air bag opening of the soft package battery core in the moving process. Because the bag opening action and the movement of the air bag towards the liquid injection device can be synchronously performed, the time of the whole liquid injection flow path is shortened, and the liquid injection efficiency is improved.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and drawings.
In order to make the above objects, features and advantages of the present invention more comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a front view of a liquid injection apparatus according to an embodiment of the present invention;
fig. 2 is a top view of a bag opening device of a liquid injection apparatus according to an embodiment of the present invention;
FIG. 3 is a top view of a priming device of a priming apparatus provided in an embodiment of the present invention;
fig. 4 is a top view of a sampling device of a liquid injection apparatus according to an embodiment of the present invention.
Icon: 100-floating plate; 210-a first guide post; 220-a first guide sleeve; 230-an upper limit plate; 240-a lower limit plate; 310-a first splint; 320-a second splint; 330-third splint; 340-fourth splint; 350-a first suction nozzle; 361-a first connector; 362-a second connector; 371-guide post seat; 372-a second guide post; 373-a second guide sleeve; 410-cam seat; 420-cam; 430-a cam plate; 431-first cam groove; 432-second cam slot; 440-a first drive cylinder; 510-a bottom plate; 521-a first vertical rod; 522-first connection block; 523-a first rail; 524-a second connection block; 525-dropper fixing blocks; 526-a liquid injection dropper; 527—a third drive mechanism; 528-linkage plate; 610-a second vertical bar; 620-a third connection block; 630-a transfer block; 640-a third vertical bar; 650-a residual liquid cup placing block; 660-a raffinate collection cup; 670-upper mounting plate; 680-a sliding assembly; 710-sampling cup; 720-a residue tank; 730-funnel; 740-lifting plate; 751-a first slider; 752-first slide rail; 760-a fixed plate; 770-lifting connection plate.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that, if terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like are used, the indicated azimuth or positional relationship is based on the azimuth or positional relationship shown in the drawings, only for convenience of description and simplification of the description, and does not indicate or imply that the apparatus or element to be referred must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like, as used herein, are used for descriptive purposes only and are not to be construed as indicating or implying any relative importance.
In addition, in the description of embodiments of the present invention, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "coupled" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1-2, the liquid injection device provided in the embodiment of the present invention is used for injecting liquid into a soft package battery cell, and includes: annotate liquid anchor clamps (not shown), open bagging apparatus and priming device, open the bagging apparatus and be located between annotating liquid anchor clamps and the priming device, annotate the soft packet of electric core of liquid anchor clamps fixation, annotate liquid anchor clamps and transport soft packet of electric core to open bagging apparatus department and carry out the opening of air pocket, then the priming device is annotating liquid to the air pocket. Specifically, annotate liquid anchor clamps include anchor clamps body and first actuating mechanism, and the anchor clamps body is used for the soft packet of electric core of centre gripping. The bag opening device comprises a floating plate 100 and a frame, and a bag opening mechanism is arranged on the floating plate 100. The first driving mechanism is used for driving the clamp body to move towards the bag opening device so that the soft package battery core enters the working area of the bag opening mechanism. Along the direction of annotating liquid anchor clamps towards the priming device, floating plate 100 sliding connection is in the frame, and when annotating liquid anchor clamps towards the bagging apparatus motion, the soft packet of electric core on the notes liquid anchor clamps can enter into the work area of bagging apparatus earlier, then when annotating liquid anchor clamps and continuing to move to the direction that the priming device is located, will push up and support floating plate 100, and the in-process bagging apparatus of motion can open the air pocket mouth of soft packet of electric core. In the bag opening process, the soft package battery core and the bag opening mechanism are kept relatively static, and the bag opening is reliable and stable. The soft pack battery core moves towards the priming device, so that the priming dropper 526 on the priming device is inserted into the air bag, and then the priming device infuses the air bag. Compared with the traditional liquid injection device, the liquid injection device provided by the embodiment of the invention adopts the mode that the air bag moves towards the liquid injection device, so that liquid dripping caused by vibration of the liquid injection drop pipe 526 is avoided. In addition, when the liquid filling clamp abuts against the floating plate 100, the soft package battery core and the bag opening mechanism are kept relatively static, and the bag opening mechanism can open the air bag opening of the soft package battery core in the moving process. Because the bag opening action and the movement of the air bag towards the liquid injection device can be synchronously performed, the time of the whole liquid injection flow path is shortened, and the liquid injection efficiency is improved.
The frame is provided with a plurality of first guide posts 210, the first guide posts 210 are sleeved with first guide sleeves 220 in a sliding manner, and the floating plate 100 is fixed on the first guide sleeves 220; an upper limiting plate 230 and a lower limiting plate 240 are arranged on the first guide post 210, and the first guide sleeve 220 is positioned between the upper limiting plate 230 and the lower limiting plate 240. The floating plate 100 is slidably disposed on the first guide post 210 up and down through the first guide sleeve 220, and the upper and lower limiting plates 240 are disposed on the first guide post 210, the floating plate 100 slides between the upper and lower limiting plates 240, and the upper and lower limiting plates 240 are used for preventing the floating plate 100 from excessively moving, thereby damaging the device.
The bag opening mechanism comprises a first adsorption mechanism and a second adsorption mechanism which are opposite and are arranged at intervals; the gap between the first adsorption mechanism and the second adsorption mechanism forms a working area of the bag opening mechanism, and suction forces in opposite directions can be generated towards the first adsorption mechanism and the second adsorption mechanism, and the suction forces act on two sides of the air bag, so that the air bag is sucked open. When the liquid injection clamp fixed with the soft package battery core moves towards the bag opening device, the soft package battery core on the liquid injection clamp can firstly extend into the space between the first adsorption mechanism and the second adsorption mechanism, and then when the liquid injection clamp continues to move towards the direction where the liquid injection device is located, the soft package battery core can upwards prop against the floating plate 100, so that the soft package battery core and the first adsorption mechanism and the second adsorption mechanism are kept relatively static respectively.
The first suction mechanism includes a first clamping plate 310 and a plurality of first suction nozzles 350 located on the first clamping plate 310, the second suction mechanism includes a second clamping plate 320 and a plurality of second suction nozzles located on the second clamping plate 320, the openings of the first suction nozzles 350 and the second suction nozzles are opposite, and the first clamping plate 310 and the second clamping plate 320 can drive the plurality of first suction nozzles 350 and the plurality of second suction nozzles to move towards each other or away from each other.
The bag opening mechanism comprises a second driving mechanism which is respectively connected with the first adsorption mechanism and the second adsorption mechanism and is used for driving the first adsorption mechanism and the second adsorption mechanism to move in opposite directions or in opposite directions. For example, the second driving mechanism may be two electric cylinders, which act on the first adsorption mechanism and the second adsorption mechanism, respectively. Before the liquid is ready to be injected, the first clamping plate 310 and the second clamping plate 320 move away from each other to form a working area for opening the bag, the soft package battery cell can move between the first suction nozzle 350 and the second suction nozzle, then the first clamping plate 310 and the second clamping plate 320 move towards each other, the first suction nozzle 350 and the second suction nozzle move to two sides of the air bag and are sucked on the side wall of the air bag, and the first clamping plate 310 and the second clamping plate 320 move away from each other to open the air bag.
The number of the second driving mechanisms may be two, and the two second driving mechanisms are respectively located at two ends of the first clamping plate 310 and the second clamping plate 320, so that parallelism of the first clamping plate 310 and the second clamping plate 320 in the moving process is increased.
The floating plate 100 is provided with a third adsorption mechanism and a fourth adsorption mechanism, the third adsorption mechanism comprises a third clamping plate 330 and a third suction nozzle, the fourth adsorption mechanism comprises a fourth clamping plate 340 and a fourth suction nozzle, and the third clamping plate 330 and the first clamping plate 310 are connected through a first connecting piece 361, so that the third adsorption mechanism and the first adsorption mechanism have the same motion state; the fourth clamping plate 340 is connected to the second clamping plate 320 by the second connecting member 362 so that the fourth adsorption mechanism and the second adsorption mechanism have the same movement state. The bag opening device can simultaneously open the bag of the multi-row soft package battery cells through the connecting piece.
Two guide post bases 371 are arranged on the left side and the right side of the floating plate 100, a second guide post 372 is connected between the two guide post bases 371, and second guide sleeves 373 are arranged at the two ends of the first clamping plate 310, the second clamping plate 320, the third clamping plate 330 and the fourth clamping plate 340 and are connected to the second guide post 372 in a sliding mode.
The cam seat 410 is fixed on the second guide sleeve 373 of the first clamping plate 310 and the second clamping plate 320, and the cam 420 is arranged on the cam seat 410. The second driving mechanism includes a cam plate 430, a first cam groove 431 and a second cam groove 432 are provided on the cam plate 430, and a distance between the first cam groove 431 and the second cam groove 432 is gradually increased or decreased along a direction perpendicular to a line connecting the first suction mechanism and the second suction mechanism, specifically, the first cam groove 431 and the second cam groove 432 are in a splayed shape, and the cams 420 on the first suction mechanism and the second suction mechanism are respectively slidably connected in the first cam groove 431 and the second cam groove 432. The cam plate 430 is provided on a slider, which is provided on a slide rail, so that the cam plate 430 can smoothly slide. The bag opening mechanism includes a driving assembly connected to the cam plate 430 for driving the cam plate 430 to move left and right so that a distance between the first suction mechanism and the second suction mechanism is changed when the cam 420 slides in the first cam groove 431 and the second cam groove 432. Specifically, the cam 420 may include a shaft and a roller, the roller is sleeved on the shaft, and the roller can rotate in the groove of the cam 420. For example, the small opening of the groove of the splayed cam 420 is toward the gap between the first clamping plate 310 and the second clamping plate 320, the cam plate 430 moves toward the direction in which the first clamping plate 310 and the second clamping plate 320 are located, the distance between the two cams 420 is gradually increased, and the first clamping plate 310 and the second clamping plate 320 are opened.
The driving assembly may include a first driving cylinder 440 and a second driving cylinder connected end to end, the driving end of the first driving cylinder 440 being connected with the second driving cylinder, the driving end of the second driving cylinder being connected with the cam plate 430. The left and right strokes of the cam plate 430 can be moved by the first and second driving cylinders 440 and 320, thereby driving the first and second clamping plates 310 and 320 to move relatively.
The specific process is as follows: the first driving cylinder 440 and the second driving cylinder drive the first clamping plate 310 and the second clamping plate 320 to move back to back for two strokes so that the distance between the first clamping plate 310 and the second clamping plate 320 is the largest, and the air bag opening of the soft package battery core is convenient to extend between the first clamping plate 310 and the second clamping plate 320; when the air bag of the soft package battery core reaches the working area of the bag opening mechanism, the first driving air cylinder 440 and the second driving air cylinder drive the first clamping plate 310 and the second clamping plate 320 to move relatively for two strokes, so that the suction nozzles on the first clamping plate 310 and the second clamping plate 320 are close to two side walls of the air bag; the two suction nozzles adsorb the two side walls of the air bag, and the first driving air cylinder 440 and the second driving air cylinder drive the first clamping plate 310 and the second clamping plate 320 to move back to back for one stroke, so that the air bag opening of the soft package battery core is pulled out of one opening. A stroke is adopted during opening to prevent the air bag opening of the soft package battery core from being pulled and deformed. Finally, when the bag opening device moves to the highest position, the opened air bag opening of the soft package battery core just rises so that the liquid injection drop pipe 526 extends into the air bag opening. And finally, the liquid injection device performs liquid injection on the soft package battery cell.
The displacement of two strokes may be achieved by fully extending or fully retracting the drive ends of the first and second drive cylinders 440, and the displacement of one stroke may be achieved by fully extending or fully retracting the drive end of the first drive cylinder 440 while the second drive cylinder is inactive.
As shown in fig. 3, in particular, the priming device includes a bottom plate 510, and a priming assembly disposed on the bottom plate 510, where the priming assembly includes a priming dropper 526 and a support frame, and one end of the priming dropper 526 is fixed on the support frame, and the other end passes through the bottom plate 510.
The liquid injection assembly comprises a first vertical rod 521, and a first connecting block 522 is fixed on the first vertical rod 521; the first connecting block 522 is arranged on the first cross rod 523, the second connecting block 524 is arranged on the first cross rod 523, the dropper fixing block 525 is arranged on the second connecting block 524, and the liquid injection pipe 526 is fixedly arranged on the dropper fixing block 525.
The liquid injection dropper 526 is used for injecting liquid into the soft battery cell, residual liquid is still present, and equipment is easy to corrode due to the dropping of the residual liquid, so that the liquid injection device further comprises a residual liquid collecting assembly and a third driving mechanism 527, the third driving mechanism 527 can comprise a cylinder, the residual liquid collecting assembly comprises a residual liquid collecting cup 660, and the third driving mechanism 527 is connected with the residual liquid collecting assembly and is used for driving the residual liquid collecting assembly to move so that the residual liquid collecting cup 660 moves to the lower part of a liquid outlet of the liquid injection dropper 526.
The raffinate collecting assembly comprises a second vertical rod 610, wherein the second vertical rod 610 is arranged on the linkage plate 528 through a third connecting block 620; the lower end of the second vertical rod 610 is connected with the upper end of the third vertical rod 640 through a switching block 630; the lower end of the third vertical rod 640 is provided with a residual liquid cup placing block 650, and a residual liquid collecting cup 660 is placed on the residual liquid cup placing block 650. The residual liquid collecting cup 660 is provided with an opening at a position corresponding to the liquid injection drop pipe 526, and residual liquid dropped by the liquid injection drop pipe 526 enters the residual liquid collecting cup 660 from the opening.
The number of the liquid injection components and the number of the residual liquid collecting components are multiple, and the residual liquid collecting components are in one-to-one correspondence and connected through the linkage plate 528, so that the residual liquid collecting components have the same motion state.
As shown in fig. 4, the priming volume needs to be calibrated before the priming dropper 526 priming the soft pack cell, and thus the priming apparatus includes a sampling device, which includes an upper mounting plate 670, and the priming device is slidably coupled to the upper mounting plate 670. A sliding assembly 680 is arranged between the mounting plate and the priming device, the sliding assembly 680 comprises a sliding block and a sliding rail, the sliding block is connected with the priming device, the sliding block is arranged on the sliding rail, and the sliding rail is arranged on the mounting plate. And the mounting plate is also provided with an air cylinder, and the output end of the air cylinder is connected with the sliding block. Before the soft package battery core is injected with liquid, the cylinder can drive the liquid injection device to move to the upper part of the sampling device for liquid injection and sampling.
Further, the sampling device comprises a sampling plate and a fourth driving mechanism, and a sampling cup 710 corresponding to the liquid injection component is arranged on the sampling plate; the fourth driving mechanism is connected with the sampling plate and is used for driving the sampling plate to move towards the liquid injection device.
Specifically, the sampling device further comprises a residual liquid tank 720, the sampling device comprises sampling cups 710 which are arranged in one-to-one correspondence with the liquid injection drop pipes 526, the sampling cups 710 are clamped in openings on the residual liquid tank 720, and after the liquid injection drop pipes 526 are used for injecting liquid into the sampling cups 710, the sampling cups 710 can be taken out manually for weighing. The residual liquid on the liquid injection pipe 526 drops into the residual liquid tank 720 through the opening, and a funnel 730 is arranged below the residual liquid box in order to prevent the residual liquid from splashing or leaking out due to other reasons, and the funnel 730 collects the splashed or leaked residual liquid. The funnel 730 is connected below the residual liquid box through a bracket, the right end of the bracket is connected with the lifting plate 740, the lifting plate 740 is arranged on the first sliding block 751, the first sliding block 751 is arranged on the first sliding rail 752, the first sliding rail 752 is arranged on the fixed plate 760, and the fixed plate 760 is connected with the mounting plate; the fixed plate 760 is further provided with an air cylinder, and the driving end of the air cylinder is connected with the lifting plate 740 through the lifting connecting plate 770, so that the lifting plate 740 can be driven to lift, and the sampling cup 710 can be driven to lift. When the priming device moves above the sampling device, the sampling device is driven by the fifth cylinder to move upwards so that the sampling cup 710 approaches the priming drop tube 526, and residual liquid is collected conveniently.
Finally, it should be noted that: the above examples are only specific embodiments of the present invention for illustrating the technical solution of the present invention, but not for limiting the scope of the present invention, and although the present invention has been described in detail with reference to the foregoing examples, it will be understood by those skilled in the art that the present invention is not limited thereto: any person skilled in the art may modify or easily conceive of the technical solution described in the foregoing embodiments, or perform equivalent substitution of some of the technical features, while remaining within the technical scope of the present disclosure; such modifications, changes or substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention, and are intended to be included in the scope of the present invention. Therefore, the protection scope of the invention is subject to the protection scope of the claims.
Claims (10)
1. A liquid injection device for injecting liquid into a soft-packaged battery cell, comprising: the device comprises a liquid injection clamp, a bag opening device and a liquid injection device, wherein the bag opening device is positioned between the liquid injection clamp and the liquid injection device;
the liquid injection clamp comprises a clamp body and a first driving mechanism, wherein the clamp body is used for fixing the soft package battery cell;
the bag opening device comprises a floating plate and a frame, wherein a bag opening mechanism is arranged on the floating plate and used for opening an air bag of the soft package battery cell;
the first driving mechanism is used for driving the clamp body to move towards the bag opening device so as to enable the soft package battery cell to enter a working area of the bag opening mechanism;
the floating plate is connected to the frame in a sliding manner along the direction of the liquid injection clamp towards the liquid injection device, so that the floating plate can be pushed to move towards the liquid injection device together under the driving of the first driving mechanism;
when the liquid filling clamp is propped against the floating plate, the soft package battery core and the bag opening mechanism are kept relatively static, and the bag opening mechanism can open the bag opening of the soft package battery core in the moving process, so that the bag opening action and the movement of the air bag towards the liquid filling device can be synchronously carried out.
2. The liquid injection device according to claim 1, wherein a plurality of first guide posts are arranged on the frame, a first guide sleeve is sleeved on the first guide posts in a sliding manner, and the floating plate is fixed on the first guide sleeve;
the first guide post is provided with an upper limiting plate and a lower limiting plate at intervals, and the first guide sleeve is positioned between the upper limiting plate and the lower limiting plate.
3. The liquid injection apparatus of claim 1, wherein the bag opening mechanism comprises a first adsorption mechanism and a second adsorption mechanism which are opposite and spaced apart;
the gap between the first adsorption mechanism and the second adsorption mechanism forms a working area of the bag opening mechanism.
4. The liquid injection device of claim 3, wherein the bag opening mechanism comprises a second driving mechanism, and the second driving mechanism is respectively connected with the first adsorption mechanism and the second adsorption mechanism and is used for driving the first adsorption mechanism and the second adsorption mechanism to move towards opposite directions or opposite directions.
5. The liquid injection device of claim 4, wherein the first and second adsorption mechanisms are each provided with a cam seat, and the cam seat is provided with a cam;
the second driving mechanism comprises a cam plate, a first cam groove and a second cam groove are arranged on the cam plate, the distance between the first cam groove and the second cam groove is gradually increased or decreased along the direction perpendicular to the connecting line of the first adsorption mechanism and the second adsorption mechanism, and the cams on the first adsorption mechanism and the second adsorption mechanism are respectively connected in the first cam groove and the second cam groove in a sliding manner;
the bag opening mechanism comprises a driving assembly, wherein the driving assembly is connected with the cam plate and is used for driving the cam plate to move along the direction perpendicular to the connecting line of the first adsorption mechanism and the second adsorption mechanism, so that when the cam slides in the first cam groove and the second cam groove, the distance between the first adsorption mechanism and the second adsorption mechanism is changed.
6. The fluid injection apparatus of claim 5 wherein the drive assembly comprises a first drive cylinder and a second drive cylinder connected end to end, the drive end of the first drive cylinder being connected to the second drive cylinder, the drive end of the second drive cylinder being connected to the cam plate.
7. The liquid injection device according to claim 3, wherein a third adsorption mechanism and a fourth adsorption mechanism are arranged on the floating plate, and the third adsorption mechanism is connected with the first adsorption mechanism through a first connecting piece, so that the third adsorption mechanism and the first adsorption mechanism have the same motion state;
the fourth adsorption mechanism is connected with the second adsorption mechanism through a second connecting piece, so that the fourth adsorption mechanism and the second adsorption mechanism have the same motion state.
8. The liquid injection device according to claim 1, wherein the liquid injection means comprises a bottom plate and a liquid injection assembly arranged on the bottom plate, the liquid injection assembly comprises a liquid injection dropper and a support frame, one end of the liquid injection dropper is fixed on the support frame, and the other end of the liquid injection dropper penetrates through the bottom plate;
the priming device includes raffinate collection subassembly and third actuating mechanism, the subassembly is collected to the raffinate includes the raffinate collection cup, third actuating mechanism with the subassembly is collected to the raffinate is connected, is used for the drive the subassembly is collected to the raffinate moves, so that the raffinate is collected the cup and is moved to annotate the liquid outlet below of liquid burette.
9. The filling apparatus of claim 8, including a sampling device, the filling apparatus including an upper mounting plate, the filling device being slidably coupled to the upper mounting plate such that the filling device is reciprocally movable over the sampling device and over the bag opening device.
10. The liquid injection apparatus according to claim 9, wherein the sampling device comprises a sampling plate and a fourth driving mechanism, and a sampling cup corresponding to the liquid injection assembly is arranged on the sampling plate;
the fourth driving mechanism is connected with the sampling plate and used for driving the sampling plate to move towards the priming device.
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| CN201810960003.8A CN108832073B (en) | 2018-08-21 | 2018-08-21 | Liquid injection equipment |
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| CN201810960003.8A CN108832073B (en) | 2018-08-21 | 2018-08-21 | Liquid injection equipment |
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| CN108832073B true CN108832073B (en) | 2024-01-02 |
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| CN112490598B (en) * | 2020-12-03 | 2023-04-07 | 无锡先导智能装备股份有限公司 | Bag opening device and material injection equipment |
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