CN113991264B - Isobaric priming device of car lithium cell liquid filling machine - Google Patents
Isobaric priming device of car lithium cell liquid filling machine Download PDFInfo
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- CN113991264B CN113991264B CN202111252710.XA CN202111252710A CN113991264B CN 113991264 B CN113991264 B CN 113991264B CN 202111252710 A CN202111252710 A CN 202111252710A CN 113991264 B CN113991264 B CN 113991264B
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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
- H01M50/609—Arrangements or processes for filling with liquid, e.g. electrolytes
- H01M50/627—Filling ports
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- General Chemical & Material Sciences (AREA)
- Filling, Topping-Up Batteries (AREA)
Abstract
The invention discloses an isobaric liquid injection device of an automobile lithium battery liquid injection machine, belonging to the technical field of lithium battery production equipment. According to the invention, the second hydraulic cylinder is controlled to operate through the designed trigger component and the liquid injection component, the output shaft of the second hydraulic cylinder drives the first insection panel to move transversely in the working process, and the movable conical cylinder can be driven to rotate rapidly in the fixed circular cylinder through the built-in adapter cylinder by utilizing the linkage effect between the first insection panel and the external insection surface.
Description
Technical Field
The invention belongs to the technical field of lithium battery production equipment, and particularly relates to an isobaric liquid injection device of an automobile lithium battery liquid injection machine.
Background
The new energy vehicle subsidy can improve the vehicle-mounted endurance mileage and improve the energy density of the battery pack. The standard of the lowest gear is improved to 150km from the original 100km, and the standard of the highest gear is improved to more than 400km from more than 250 km. At the in-process of car lithium cell production, need use notes liquid equipment to pour into electrolyte into battery case in, at present, current car lithium cell production still has some weak points with annotating liquid equipment at the in-process that uses, in order to improve notes liquid efficiency, generally can realize through the mode method of extraction battery case internal pressure, because electrolyte has certain tension, when getting into the low pressure district, the easy gassing, and then the development of having restricted electrolyte injection efficiency, consequently, the current stage needs an isobaric device of car lithium cell notes liquid machine to solve above-mentioned problem urgently.
Disclosure of Invention
The invention aims to: the isobaric liquid injection device of the automobile lithium battery liquid injection machine is provided for solving the problems that the existing liquid injection equipment for automobile lithium battery production still has some defects in the using process, the liquid injection efficiency is generally realized by a method of extracting the internal pressure of a battery shell in order to improve the liquid injection efficiency, and the electrolyte has certain tension and is easy to generate bubbles when entering a low-pressure area, so that the development of the electrolyte injection efficiency is limited.
In order to achieve the purpose, the invention adopts the following technical scheme:
the isobaric liquid injection device of the automobile lithium battery liquid injection machine comprises a supporting assembly, wherein a liquid injection assembly is arranged on the inner side of the supporting assembly, a first linkage assembly is sleeved on the surface of the liquid injection assembly, a trigger assembly is arranged on the inner side of the liquid injection assembly, a driving assembly is fixedly connected to the top of the liquid injection assembly, a bridge-type connecting pipe is further arranged between the driving assembly and the liquid injection assembly, a second linkage assembly is fixedly connected to the side end face of the supporting assembly, a pressure regulation and control assembly is fixedly connected to the bottom end of the second linkage assembly, and the bottom of the pressure regulation and control assembly is fixedly connected to the bottom of the inner side of the supporting assembly;
annotate the liquid subassembly and include the sealed cowling, fixedly connected with electrolyte shunting box on the inside wall of sealed cowling, be provided with the drive chamber on the bottom plate of electrolyte shunting box to the inboard bottom joint of position department of corresponding drive chamber of electrolyte shunting box has a fixed circular cylinder, fixed circular cylinder surface has the drainage pipeline along the joint of position department of tangent plane to the top of fixed circular cylinder is linked together with the one end of blast pipe, the other end joint of blast pipe is on the lateral wall of electrolyte shunting box and sealed cowling to still be provided with a check valve on the blast pipe, fixed circular cylinder internal rotation is connected with movable toper section of thick bamboo, the bottom fixedly connected with of movable toper section of thick bamboo embeds the switching section of thick bamboo, the bottom of built-in switching section of thick bamboo joint in drive chamber inboard.
As a further description of the above technical solution:
the supporting component comprises an outer frame body, an inner containing box is clamped on the outer frame body, the inner containing box is connected with two clamping seats in a sliding mode, a plurality of battery shells are connected between the two clamping seats in a clamping mode, and one surfaces, far away from each other, of the two clamping seats are fixedly connected with the end face of the inner side of the inner containing box through a first supporting spring.
As a further description of the above technical solution:
one side fixedly connected with right-angle frame at outer frame body top, the inboard sliding connection of right-angle frame has balanced seat, the first pneumatic cylinder of top fixedly connected with of balanced seat, first pneumatic cylinder joint is at the inboard top of right-angle frame.
As a further description of the above technical solution:
an external tooth pattern surface is formed in the surface of the built-in transfer cylinder, a first tooth pattern panel is meshed on the external tooth pattern surface, and the end portion of the first tooth pattern panel is fixedly connected with the end face of the inner side of the driving cavity through a second hydraulic cylinder.
As a further description of the above technical solution:
the first linkage assembly comprises an external switching barrel, the external switching barrel is sleeved on the inner side wall of the internal switching barrel, a first interlocking hole is formed in the surface of the internal switching barrel, a second interlocking hole is formed in the position, below the first interlocking hole, of the surface of the external switching barrel, a first sliding connecting groove is formed in the inner side wall of the external switching barrel, a first sliding connecting seat is connected in the first sliding connecting groove in a sliding mode, the first sliding connecting seat and the internal switching barrel are fixedly connected through opposite surfaces, and the first sliding connecting seat is fixedly connected with the inner side end face of the first sliding connecting groove through a second supporting spring.
As a further description of the above technical solution:
the first linkage assembly further comprises a partition plate, the partition plate is fixedly connected into a port at the bottom of the built-in adapter cylinder, a drainage cover is sleeved in a through hole at the bottom of the partition plate, a drainage hole is formed in the surface of the drainage cover, a second sliding connecting seat is fixedly connected to the surface of the drainage cover, a sliding rod of the second sliding connecting seat is connected into a second sliding connecting groove formed in the inner side wall of the through hole, and the end face of the inner side of the second sliding connecting groove is fixedly connected with the side, close to the second sliding connecting seat, of the second sliding connecting seat through a third supporting spring.
As a further description of the above technical solution:
trigger the subassembly and include that the upper strata triggers the head, the upper strata triggers the position setting that the head corresponds the drainage cover, the bottom fixedly connected with lower floor of the head that triggers the head on the upper strata, lower floor triggers the head cover and establishes the inside at an external switching section of thick bamboo, the ring channel has been seted up on the inside wall of an external switching section of thick bamboo, roll in the ring channel and be connected with the switching ring, the switching ring cup joints the surface that triggers the head on lower floor to the drainage way has still been seted up to the position department that the head bottom triggered the head corresponding upper strata in lower floor.
As a further description of the above technical solution:
the driving component comprises an electrolyte storage box, the bottom of the electrolyte storage box is fixedly connected with the top of the sealing cover through a cushion block, a first piston seat is sleeved in the electrolyte storage box, a first piston rod is fixedly connected with the top of the first piston seat, the first piston rod is connected with the top of the electrolyte storage box in a sliding way, the top of the electrolyte storage box is fixedly connected with an external telescopic cylinder, the bottom end of the external telescopic cylinder is fixedly connected with the top of the electrolyte storage box, the internal telescopic shaft is sleeved in the external telescopic cylinder, one end of the internal telescopic shaft is fixedly connected with the bottom of the inner side of the external telescopic cylinder through a fourth supporting spring, the top end of the built-in telescopic shaft is fixedly connected to the bottom of the balance seat, the electrolyte storage box is communicated with the electrolyte shunting box through a bridge-type connecting pipe, and a flow absorption pipe is further arranged on the side end face of the electrolyte storage box.
As a further description of the above technical solution:
the second linkage assembly comprises a second insection panel, a linkage gear is meshed on the surface of the second insection panel, the linkage gear is rotatably connected to the side end face of the fixed seat, and the position, deviating from the circle center, on the side end face of the linkage gear is hinged to the top end of the rotating shaft through a pin shaft.
As a further description of the above technical solution:
the pressure regulation and control subassembly includes a piston section of thick bamboo, the bottom fixed connection of a piston section of thick bamboo is at the top of the outer frame body, the second piston seat has been cup jointed in the piston section of thick bamboo, the top fixedly connected with second piston rod of second piston seat, second piston rod sliding connection is at the top of a piston section of thick bamboo, the top of second piston rod is articulated through the bottom of round pin axle with the axis of rotation, respectively through first connecting pipe and second connecting pipe intercommunication on the front side end face of a piston section of thick bamboo and the interior box of holding to second connecting pipe and first connecting pipe are located the top and the below of second piston seat respectively, be provided with second check valve and first solenoid valve on the first connecting pipe respectively, be provided with third check valve and second solenoid valve on the second connecting pipe respectively, still be provided with the check valve pipe on the side end face of a piston section of thick bamboo.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. according to the invention, through the designed trigger assembly and the liquid injection assembly, in the process of injecting electrolyte into the battery shell, the operation of the second hydraulic cylinder is also controlled, in the working process of the second hydraulic cylinder, the output shaft of the second hydraulic cylinder drives the first insection panel to move transversely, and by utilizing the linkage effect between the first insection panel and the external insection panel, the movable conical cylinder can be driven to rotate quickly in the fixed circular cylinder through the built-in adapter cylinder.
2. According to the invention, through the designed supporting assembly, the triggering assembly, the second linkage assembly and the pressure regulating assembly, air in the electrolyte shunting box, the inner containing box and a passage between the electrolyte shunting box and the inner containing box is led out, so that the air content is reduced and tends to be in a vacuum state, the initial pressures of the inner side and the outer side of the battery shell are the same, the balance of the pressure intensity of the inner side and the outer side of the battery shell is always kept in the subsequent process of injecting electrolyte into the battery shell, and the quantity of bubbles of the electrolyte caused by the change of the environmental pressure can be effectively reduced by reducing the air content in the passage through which the electrolyte flows.
3. According to the invention, through the designed external telescopic cylinder, the internal telescopic shaft and the fourth supporting spring, the fourth supporting spring is used as a buffer medium between the balance seat and the electrolyte storage box, so that after the lower-layer trigger head is connected with the battery shell, the first hydraulic cylinder can perform retraction movement, the effective operation of the piston movement of the second piston seat in the piston cylinder is facilitated, and the vacuum degrees of the electrolyte shunting box, the inner containing box and a passage between the electrolyte shunting box and the inner containing box are improved.
4. According to the invention, through the designed support assembly, the second linkage assembly and the pressure regulation and control assembly, the second piston seat is utilized to supplement pressure to the inside containing box, so that the change of the pressure of the inside and the outside of the battery shell is synchronously performed, the stability of the battery shell is effectively ensured, and the bad phenomenon of bulge caused by the pressure difference of the inside and the outside is avoided.
Drawings
Fig. 1 is a schematic overall structure diagram of an isobaric liquid injection device of an automobile lithium battery liquid injection machine according to the present invention;
fig. 2 is a schematic cross-sectional structural diagram of a first linkage assembly and a trigger assembly in the isobaric liquid injection device of the automobile lithium battery liquid injection machine according to the present invention;
fig. 3 is an enlarged structural schematic diagram of a position B in the isobaric liquid injection device of the automobile lithium battery liquid injection machine provided by the invention;
FIG. 4 is a schematic cross-sectional structural diagram of a pressure regulating assembly in an isobaric liquid injection device of an automobile lithium battery liquid injection machine according to the present invention;
FIG. 5 is a schematic cross-sectional view of a driving assembly in an isobaric liquid injection device of an automobile lithium battery liquid injection machine according to the present invention;
fig. 6 is an enlarged structural schematic diagram of a position a in the isobaric liquid injection device of the automobile lithium battery liquid injection machine provided by the invention;
fig. 7 is a schematic cross-sectional structural diagram of a liquid injection assembly in the isobaric liquid injection device of the automobile lithium battery liquid injection machine according to the present invention.
Illustration of the drawings:
1. a support assembly; 101. an outer frame body; 102. a content housing box; 103. a right-angle frame; 104. a first hydraulic cylinder; 105. a balance seat; 106. clamping the card holder; 107. a first support spring; 2. a liquid injection assembly; 201. a sealing cover; 202. an electrolyte shunting box; 203. a drive chamber; 204. a stationary cylindrical barrel; 205. a drainage conduit; 206. an exhaust pipe; 207. a movable conical drum; 208. a switching cylinder is arranged in the shell; 209. an external tooth pattern surface; 210. a first insection panel; 211. a second hydraulic cylinder; 212. a first check valve; 3. a first linkage assembly; 301. an external adapter cylinder; 302. a first interlock hole; 303. a second interlocking hole; 304. a first sliding connecting groove; 305. a first sliding connection seat; 306. a second support spring; 307. a drainage cover; 308. a drainage hole; 309. a second sliding connecting groove; 310. a second sliding connection seat; 311. a third support spring; 312. a partition plate; 4. a trigger component; 401. an upper layer trigger head; 402. a lower layer trigger head; 403. a drainage duct; 404. a transfer ring; 405. an annular groove; 5. a bridge type connection pipe; 6. a drive assembly; 601. an electrolyte storage case; 602. a first piston seat; 603. a first piston rod; 604. an external telescopic cylinder; 605. a telescopic shaft is arranged inside; 606. a fourth support spring; 7. a suction pipe; 8. a second linkage assembly; 801. a second insection panel; 802. a linkage gear; 803. a fixed seat; 804. a rotating shaft; 9. a pressure regulation component; 901. a piston cylinder; 902. a second piston rod; 903. a second piston seat; 904. a first connecting pipe; 905. a second one-way valve; 906. a first solenoid valve; 907. a second connecting pipe; 908. a third check valve; 909. a second solenoid valve; 910. a check valve tube; 10. and a battery case.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-7, the present invention provides a technical solution: an isobaric liquid injection device of an automobile lithium battery liquid injection machine comprises a supporting component 1, wherein a liquid injection component 2 is arranged on the inner side of the supporting component 1, a first linkage component 3 is sleeved on the surface of the liquid injection component 2, a trigger component 4 is arranged on the inner side of the liquid injection component 2, a driving component 6 is fixedly connected to the top of the liquid injection component 2, a bridge-type connecting pipe 5 is further arranged between the driving component 6 and the liquid injection component 2, a second linkage component 8 is fixedly connected to the side end face of the supporting component 1, a pressure regulation and control component 9 is fixedly connected to the bottom end of the second linkage component 8, and the bottom of the pressure regulation and control component 9 is fixedly connected to the bottom of the inner side of the supporting component 1;
annotate liquid subassembly 2 includes sealed cowling 201, fixedly connected with electrolyte reposition of redundant personnel box 202 on the inside wall of sealed cowling 201, be provided with drive chamber 203 on the bottom plate of electrolyte reposition of redundant personnel box 202, and the inboard bottom of electrolyte reposition of redundant personnel box 202 corresponds the position department joint of drive chamber 203 and has fixed cylinder 204, the joint of position department along the tangent plane in fixed cylinder 204 surface has drainage tube 205, and the top of fixed cylinder 204 is linked together with the one end of blast pipe 206, the other end joint of blast pipe 206 is on the lateral wall of electrolyte reposition of redundant personnel box 202 and sealed cowling 201, and still be provided with first check valve 212 on the blast pipe 206, fixed cylinder 204 internal rotation is connected with movable toper section of thick bamboo 207, the bottom fixedly connected with of movable toper section of thick bamboo 207 embeds a switching section of thick bamboo 208, the inboard bottom of built-in switching section of thick bamboo 208 joint in drive chamber 203.
Specifically, as shown in fig. 1, the supporting assembly 1 includes an outer frame 101, an inner containing box 102 is clamped on the outer frame 101, two clamping seats 106 are slidably connected inside the inner containing box 102, and the centre gripping is connected with a plurality of battery case 10 between two centre gripping cassette 106, and the one side that two centre gripping cassette 106 kept away from each other is through first supporting spring 107 and the inboard terminal surface fixed connection of the box 102 is accomodate to the content, one side fixedly connected with right angle frame 103 at outer framework 101 top, the inboard sliding connection of right angle frame 103 has balanced seat 105, the first pneumatic cylinder 104 of top fixedly connected with of balanced seat 105, first pneumatic cylinder 104 joint is at the inboard top of right angle frame 103, external tooth line face 209 has been seted up on the surface of built-in switching section of thick bamboo 208, the meshing has first insection panel 210 on the external tooth line face 209, the tip of first insection panel 210 passes through the terminal surface fixed connection of second pneumatic cylinder 211 and drive chamber 203 inboard.
The implementation mode specifically comprises the following steps: the first electromagnetic valve 906 is closed, the second electromagnetic valve 909 is opened, and the pressure balance seat 105 at this time is connected with the top of the first piston rod 603, so that the electrolyte in the electrolyte storage box 601 can be injected into the battery case 10 through the bridge type connecting pipe 5, and the second piston seat 903 is used for supplementing pressure to the inside of the inside storage box 102, so that the change of the pressure of the inside and outside of the battery case 10 is synchronously performed, and the stability of the battery case 10 is effectively ensured.
Specifically, as shown in fig. 2, the first linkage assembly 3 includes an external adapter tube 301, the external adapter tube 301 is sleeved on an inner side wall of the internal adapter tube 208, a first interlocking hole 302 is formed on a surface of the internal adapter tube 208, a second interlocking hole 303 is formed in a position, corresponding to a position below the first interlocking hole 302, on the surface of the external adapter tube 301, a first sliding connection groove 304 is formed on the inner side wall of the external adapter tube 301, a first sliding connection seat 305 is slidably connected in the first sliding connection groove 304, opposite surfaces of the first sliding connection seat 305 and the internal adapter tube 208 are fixedly connected, an end surface of the first sliding connection seat 305 is fixedly connected with an end surface of an inner side of the first sliding connection groove 304 through a second support spring 306, the first linkage assembly 3 further includes a partition plate 312, the partition plate 312 is fixedly connected in a port at the bottom of the internal adapter tube 208, a drainage cover 307 is sleeved in a through hole at the bottom of the partition plate 312, the surface of the drainage cover 307 is provided with a drainage hole 308, the surface of the drainage cover 307 is also fixedly connected with a second sliding connection seat 310, a sliding rod of the second sliding connection seat 310 is connected in a second sliding connection groove 309 arranged on the inner side wall of the through hole, and the end surface of the inner side of the second sliding connection groove 309 is fixedly connected with the close surface of the second sliding connection seat 310 through a third support spring 311.
The implementation mode is specifically as follows: the upper layer trigger head 401 is clamped in the drainage cover 307, and under the action of resistance, because the resistance is greater than the elastic force of the third support spring 311, the drainage cover 307 moves upwards until the lower edge of the drainage hole 308 is matched with the top of the partition plate 312, so that the first interlocking hole 302 and the second interlocking hole 303 are in a communicated state.
Specifically, as shown in fig. 2, trigger subassembly 4 includes upper trigger head 401, upper trigger head 401 corresponds the position setting of drainage cover 307, upper trigger head 401's bottom fixedly connected with lower floor trigger head 402, lower floor trigger head 402 cover is established in the inside of external switching section of thick bamboo 301, annular groove 405 has been seted up on external switching section of thick bamboo 301's the inside wall, roll in annular groove 405 and be connected with switching ring 404, switching ring 404 cup joints the surface at lower floor trigger head 402, and drainage channel 403 has still been seted up to the position department that lower trigger head 402 bottom corresponds upper trigger head 401.
The implementation mode is specifically as follows: the balance seat 105 drives the electrolyte storage box 601 and the sealing cover 201 to move downwards through the external telescopic cylinder 604, the fourth supporting spring 606 and the internal telescopic shaft 605 on the electrolyte storage box 601, the electrolyte storage box 601 is in the downward process, and the lower trigger head 402 is connected with the liquid injection port arranged on the battery shell 10 firstly and is communicated with the inside of the battery shell 10 through the drainage channel 403.
Specifically, as shown in fig. 5, the driving assembly 6 includes an electrolyte storage box 601, the bottom of the electrolyte storage box 601 is fixedly connected to the top of the sealing cover 201 through a pad, a first piston seat 602 is sleeved inside the electrolyte storage box 601, a first piston rod 603 is fixedly connected to the top of the first piston seat 602, the first piston rod 603 is slidably connected to the top of the electrolyte storage box 601, an external telescopic cylinder 604 is fixedly connected to the top of the electrolyte storage box 601, the bottom end of the external telescopic cylinder 604 is fixedly connected to the top of the electrolyte storage box 601, an internal telescopic shaft 605 is sleeved inside the external telescopic cylinder 604, one end of the internal telescopic shaft 605 is fixedly connected to the bottom of the inner side of the external telescopic cylinder 604 through a fourth supporting spring 606, the top end of the internal telescopic shaft 605 is fixedly connected to the bottom of the balancing seat 105, the electrolyte storage box 601 is communicated with the electrolyte diversion box 202 through a bridge-type connecting pipe 5, and a suction pipe 7 is further provided on the side end surface of the electrolyte storage case 601.
The implementation mode is specifically as follows: the fourth supporting spring 606 serves as a buffer medium between the balance seat 105 and the electrolyte storage box 601, so that the first hydraulic cylinder 104 can perform retraction movement after the lower trigger head 402 is connected to the battery housing 10, which is beneficial to the effective operation of the piston movement of the second piston seat 903 in the piston cylinder 901.
Specifically, as shown in fig. 1, the second linkage assembly 8 includes a second insection panel 801, a linkage gear 802 is engaged with a surface of the second insection panel 801, the linkage gear 802 is rotatably connected to a side end surface of the fixed seat 803, and a position of the side end surface of the linkage gear 802, which is offset from the center of the circle, is hinged to a top end of the rotating shaft 804 through a pin.
The implementation mode specifically comprises the following steps: the second piston seat 903 is used for supplementing pressure to the inside of the accommodating box 102, so that the change of the pressure inside and outside the battery shell 10 is synchronously performed, and the stability of the battery shell 10 is effectively ensured.
Specifically, as shown in fig. 4, the pressure regulating assembly 9 includes a piston cylinder 901, the bottom of the piston cylinder 901 is fixedly connected to the top of the outer frame body 101, a second piston seat 903 is nested in the piston cylinder 901, a second piston rod 902 is fixedly connected to the top of the second piston seat 903, the second piston rod 902 is slidably connected to the top of the piston cylinder 901, the top end of the second piston rod 902 is hinged to the bottom end of the rotating shaft 804 through a pin, the front end faces of the piston cylinder 901 and the inner containing box 102 are respectively communicated through a first connecting pipe 904 and a second connecting pipe 907, and a second connection pipe 907 and a first connection pipe 904 are respectively located above and below the second piston seat 903, a second check valve 905 and a first solenoid valve 906 are respectively arranged on the first connection pipe 904, a third check valve 908 and a second solenoid valve 909 are respectively arranged on the second connection pipe 907, and a check valve pipe 910 is further arranged on the side end surface of the piston cylinder 901.
The implementation mode is specifically as follows: the balance seat 105 transfers the torque force to the linkage gear 802 and rotates the linkage gear 802 by using the linkage effect between the second corrugated panel 801 and the linkage gear 802, because two ends of the rotating shaft 804 can rotate around two pin shafts respectively, the linkage gear 802 can drive the second piston seat 903 on the second piston rod 902 to perform piston motion through the rotating shaft 804 in the rotating process, the second check valve 905 automatically opens under the action of negative pressure in the descending process of the second piston seat 903, the piston motion of the second piston seat 903 in the piston cylinder 901 is used, and then the check valve pipe 910 is supplemented, the check valve pipe 910 has the same function as the first check valve 212, the second check valve 905 and the third check valve 908, so that the air in the electrolyte shunt box 202, the content containing box 102 and the passage between the two can be led out.
The working principle is as follows: when the device is used, after a plurality of battery shells 10 are uniformly placed in the containing box 102, the clamping seat 106 is matched with the first supporting spring 107, so that the stability of the battery shells 10 in the containing box 102 can be ensured, the first hydraulic cylinder 104 is controlled to perform stretching action, under the pushing action of the first hydraulic cylinder 104, on one hand, the balance seat 105 can drive the electrolyte storing box 601 and the sealing cover 201 to move downwards through the external telescopic cylinder 604, the fourth supporting spring 606 and the internal telescopic shaft 605 on the electrolyte storing box 601, during the synchronous downward movement of the electrolyte storing box 601 in the sealing cover 201, the lower trigger head 402 can be firstly connected with the liquid injection port arranged on the battery shell 10 and is communicated with the inside of the battery shells 10 through the drainage channel 403, during the continuous downward movement, the upper trigger head 401 can be clamped into the drainage cover 307, under the action of resistance, because the resistance is greater than the elastic force of the third supporting spring 311, the drainage cover 307 moves upwards until the lower edge of the drainage hole 308 is matched with the top of the partition plate 312, and the first interlocking hole 302 and the second interlocking hole 303 are in a communicated state, so that the electrolyte diversion box 202 and the inner containing box 102 are in a communicated state, on the other hand, the system opens the first electromagnetic valve 906 and closes the second electromagnetic valve 909, then, the balance seat 105 transfers the torsion to the linkage gear 802 and rotates the torsion by utilizing the linkage effect between the second threaded panel 801 and the linkage gear 802, because the two end parts of the rotating shaft 804 can respectively rotate by taking the two pin shafts as the circle centers, the linkage gear 802 drives the second piston seat 903 on the second piston rod 902 to perform piston motion through the rotating shaft 804 in the rotating process, and in the process that the second piston seat 903 moves downwards, the second check valve 905 is automatically opened under the action of negative pressure, the piston motion of the second piston seat 903 in the piston cylinder 901 is utilized, and then the check valve pipe 910 is assisted, the function of the check valve pipe 910 is the same as that of the first check valve 212, the second check valve 905 and the third check valve 908, so that the air in the electrolyte shunting box 202, the inner containing box 102 and the passage between the two can be led out, the air content is reduced and tends to a vacuum state, the initial pressure of the inner side and the outer side of the battery shell 10 is the same, the balance of the pressure intensity of the inner side and the outer side of the battery shell 10 is kept all the time in the subsequent process of injecting the electrolyte into the battery shell 10, the quantity of bubbles of the electrolyte caused by the change of the environmental pressure can be effectively reduced by reducing the air content in the passage through which the electrolyte flows, the fourth supporting spring 606 is used as a buffer medium between the balance seat 105 and the electrolyte containing box 601, after the lower trigger head 402 is connected with the battery shell 10, the first hydraulic cylinder 104 can perform retraction movement, which is beneficial to the effective operation of the piston movement of the second piston seat 903 in the piston cylinder 901, improves the vacuum degrees of the electrolyte shunt box 202, the inner containing box 102 and the passage between the two, when the vacuum degrees in the electrolyte shunt box 202, the inner containing box 102 and the passage between the two meet the design standard, the system closes the first electromagnetic valve 906, opens the second electromagnetic valve 909, and the pressure balance seat 105 is connected with the top of the first piston rod 603, so that the electrolyte in the electrolyte storage box 601 can be injected into the electrolyte shunt box 202 through the bridge type connecting pipe 5 and finally injected into the battery shell 10, and meanwhile, the second interlocking hole 303 continues to descend and is dislocated with the second interlocking hole 303 again, in the process, the second piston seat 903 is used for supplementing pressure into the inner containing box 102, so that the change of the inner and outer side pressures of the battery shell 10 is synchronously performed, the stability of the battery shell 10 is effectively ensured, the bad phenomenon of bulge caused by the pressure difference between the inner side and the outer side is avoided, during the process of injecting the electrolyte into the battery case 10, the operation of the second hydraulic cylinder 211 is also controlled, and during the operation of the second hydraulic cylinder 211, the output shaft will drive the first insection faceplate 210 to move laterally, and by using the linkage effect between the first insection faceplate 210 and the external insection surface 209, further, the movable conical cylinder 207 can be driven by the built-in adapter cylinder 208 to rotate rapidly in the fixed circular cylinder 204, and the electrolyte entering the fixed circular cylinder 204 enters along the drainage pipeline 205 on the section, so that under the action of centrifugal force, further, the gas mixed in the electrolyte can be effectively removed, and the defoaming function can be performed, so that the efficiency of injecting the electrolyte into the battery case 10 can be improved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.
Claims (8)
1. The utility model provides an isobaric priming device of car lithium cell liquid filling machine, includes supporting component (1), the inboard of supporting component (1) is provided with annotates liquid subassembly (2), the surface cover of annotating liquid subassembly (2) is equipped with first linkage subassembly (3) to the inboard of annotating liquid subassembly (2) is provided with trigger assembly (4), the top fixedly connected with drive assembly (6) of annotating liquid subassembly (2), and still be provided with bridge type connecting pipe (5) between drive assembly (6) and notes liquid subassembly (2), fixedly connected with second linkage subassembly (8) on the side end face of supporting component (1), the bottom fixedly connected with pressure regulation and control subassembly (9) of second linkage subassembly (8) to the bottom fixed connection of pressure regulation and control subassembly (9) is in the inboard bottom of supporting component (1), its characterized in that:
the liquid injection assembly (2) comprises a sealing cover (201), an electrolyte shunting box (202) is fixedly connected to the inner side wall of the sealing cover (201), a driving cavity (203) is arranged on a bottom plate of the electrolyte shunting box (202), a fixed circular cylinder (204) is clamped at the position, corresponding to the driving cavity (203), of the inner bottom of the electrolyte shunting box (202), a drainage pipeline (205) is clamped at the position of the surface of the fixed circular cylinder (204) along a tangent plane, the top of the fixed circular cylinder (204) is communicated with one end of an exhaust pipe (206), the other end of the exhaust pipe (206) is clamped on the side walls of the electrolyte shunting box (202) and the sealing cover (201), a first one-way valve (212) is further arranged on the exhaust pipe (206), and a movable conical cylinder (207) is rotationally connected in the fixed circular cylinder (204), the bottom end of the movable conical cylinder (207) is fixedly connected with a built-in adapter cylinder (208), and the built-in adapter cylinder (208) is clamped at the bottom of the inner side of the driving cavity (203);
the supporting assembly (1) comprises an outer frame body (101), an inner containing box (102) is clamped on the outer frame body (101), two clamping seats (106) are connected to the inner part of the inner containing box (102) in a sliding mode, a plurality of battery shells (10) are clamped between the two clamping seats (106), and the surfaces, far away from each other, of the two clamping seats (106) are fixedly connected with the end face of the inner side of the inner containing box (102) through first supporting springs (107);
the pressure regulation and control assembly (9) comprises a piston cylinder (901), the bottom of the piston cylinder (901) is fixedly connected to the top of the outer frame body (101), a second piston seat (903) is sleeved in the piston cylinder (901), the top of the second piston seat (903) is fixedly connected with a second piston rod (902), the second piston rod (902) is connected to the top of the piston cylinder (901) in a sliding manner, the top end of the second piston rod (902) is hinged to the bottom end of the rotating shaft (804) through a pin shaft, the front side end faces of the piston cylinder (901) and the inner containing box (102) are respectively communicated through a first connecting pipe (904) and a second connecting pipe (907), the second connecting pipe (907) and the first connecting pipe (904) are respectively positioned above and below the second piston seat (903), and the first connecting pipe (904) is respectively provided with a second one-way valve (905) and a first electromagnetic valve (906), the second connecting pipe (907) is respectively provided with a third one-way valve (908) and a second electromagnetic valve (909), and the side end face of the piston cylinder (901) is also provided with a one-way valve pipe (910).
2. The isobaric liquid injection device of the automobile lithium battery liquid injection machine according to claim 1, wherein a right-angle frame (103) is fixedly connected to one side of the top of the outer frame body (101), a balance seat (105) is slidably connected to the inner side of the right-angle frame (103), a first hydraulic cylinder (104) is fixedly connected to the top of the balance seat (105), and the first hydraulic cylinder (104) is clamped to the top of the inner side of the right-angle frame (103).
3. The isobaric liquid injection device of the automobile lithium battery liquid injection machine according to claim 2, wherein an external threaded surface (209) is formed on the surface of the built-in adapter cylinder (208), a first threaded panel (210) is meshed on the external threaded surface (209), and the end of the first threaded panel (210) is fixedly connected with the end surface of the inner side of the driving cavity (203) through a second hydraulic cylinder (211).
4. The isobaric liquid injection device of the automobile lithium battery liquid injection machine according to claim 3, the first linkage assembly (3) comprises an external adapter tube (301), the external adapter tube (301) is sleeved on the inner side wall of the internal adapter tube (208), a first interlocking hole (302) is formed in the surface of the internal adapter tube (208), a second interlocking hole (303) is arranged on the surface of the external adapter tube (301) at a position corresponding to the lower part of the first interlocking hole (302), a first sliding connecting groove (304) is arranged on the inner side wall of the external adapter cylinder (301), a first sliding connecting seat (305) is connected in the first sliding connecting groove (304) in a sliding way, the first sliding connection seat (305) is fixedly connected with the opposite surface of the built-in adapter cylinder (208), the end face of the first sliding connection seat (305) is fixedly connected with the end face of the inner side of the first sliding connection groove (304) through a second support spring (306).
5. The isobaric liquid injection device of the automobile lithium battery liquid injection machine according to claim 4, wherein the first linkage assembly (3) further comprises a separation plate (312), the separation plate (312) is fixedly connected in a port at the bottom of the built-in adapter cylinder (208), a drainage cover (307) is sleeved in a through hole at the bottom of the separation plate (312), a drainage hole (308) is formed in the surface of the drainage cover (307), a second sliding connection seat (310) is further fixedly connected to the surface of the drainage cover (307), a sliding rod of the second sliding connection seat (310) is connected in a second sliding connection groove (309) formed in the inner side wall of the through hole, and the end surface of the inner side of the second sliding connection groove (309) is fixedly connected with the surface of the second sliding connection seat (310) close to the through a third support spring (311).
6. The isobaric priming device of car lithium battery liquid injection machine of claim 1, characterized in that, trigger subassembly (4) includes upper trigger head (401), upper trigger head (401) corresponds the position setting of drainage cover (307), the bottom fixedly connected with lower floor trigger head (402) of upper trigger head (401), the inside at external switching section of thick bamboo (301) is established to lower floor trigger head (402) cover, annular groove (405) have been seted up on the inside wall of external switching section of thick bamboo (301), roll in annular groove (405) and be connected with switching ring (404), switching ring (404) cup joint the surface at lower floor trigger head (402) to drainage way (403) have still been seted up to the position department that upper trigger head (401) was corresponded to lower floor trigger head (402) bottom.
7. The isobaric liquid injection device of the automobile lithium battery liquid injection machine according to claim 1, wherein the driving assembly (6) comprises an electrolyte storage box (601), the bottom of the electrolyte storage box (601) is fixedly connected with the top of the sealing cover (201) through a cushion block, a first piston seat (602) is sleeved inside the electrolyte storage box (601), a first piston rod (603) is fixedly connected to the top of the first piston seat (602), the first piston rod (603) is slidably connected to the top of the electrolyte storage box (601), an external telescopic cylinder (604) is fixedly connected to the top of the electrolyte storage box (601), the bottom end of the external telescopic cylinder (604) is fixedly connected to the top of the electrolyte storage box (601), an internal telescopic shaft (605) is sleeved inside the external telescopic cylinder (604), and one end of the internal telescopic shaft (605) is connected to the inner side of the external telescopic cylinder (604) through a fourth supporting spring (606) The electrolyte storage box is characterized in that the bottom of the balance seat (105) is fixedly connected, the top end of the built-in telescopic shaft (605) is fixedly connected to the bottom of the balance seat (105), the electrolyte storage box (601) is communicated with the electrolyte shunting box (202) through a bridge-type connecting pipe (5), and a suction pipe (7) is further arranged on the side end face of the electrolyte storage box (601).
8. The isobaric liquid injection device of the automobile lithium battery liquid injection machine according to claim 1, wherein the second linkage assembly (8) comprises a second insection panel (801), a linkage gear (802) is engaged with the surface of the second insection panel (801), the linkage gear (802) is rotatably connected to the side end face of the fixed seat (803), and the position, which is deviated from the center of the circle, on the side end face of the linkage gear (802) is hinged to the top end of the rotating shaft (804) through a pin shaft.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111252710.XA CN113991264B (en) | 2021-10-27 | 2021-10-27 | Isobaric priming device of car lithium cell liquid filling machine |
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| CN202111252710.XA CN113991264B (en) | 2021-10-27 | 2021-10-27 | Isobaric priming device of car lithium cell liquid filling machine |
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| CN113991264B true CN113991264B (en) | 2022-08-26 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114865248B (en) * | 2022-05-26 | 2023-09-08 | 广州纱溪机电工程技术有限公司 | Lithium ion battery annotates liquid machine |
| CN115621563B (en) * | 2022-12-20 | 2023-03-10 | 广东正德工业科技股份有限公司 | Novel lithium cell production facility is annotated in automation of low consumption energy-conservation |
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| JP2005259444A (en) * | 2004-03-10 | 2005-09-22 | Matsushita Electric Ind Co Ltd | Liquid filling device and liquid filling method |
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| CN209169286U (en) * | 2019-01-04 | 2019-07-26 | 蜂巢能源科技有限公司 | Isobaric liquid injection system |
| CN113328215A (en) * | 2021-07-02 | 2021-08-31 | 中聚达(湖北)新能源有限公司 | Lithium battery electrolyte injection method |
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2021
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| JP2005259444A (en) * | 2004-03-10 | 2005-09-22 | Matsushita Electric Ind Co Ltd | Liquid filling device and liquid filling method |
| CN105355835A (en) * | 2015-11-07 | 2016-02-24 | 合肥国轩高科动力能源有限公司 | Multistage buffer continuous vacuum adsorption-type lithium ion battery liquid injection device |
| CN109216645A (en) * | 2018-10-15 | 2019-01-15 | 合肥国轩高科动力能源有限公司 | A kind of priming device that lithium battery equipressure is stood |
| CN209169286U (en) * | 2019-01-04 | 2019-07-26 | 蜂巢能源科技有限公司 | Isobaric liquid injection system |
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