CN113471644A

CN113471644A - Electrolyte injection system suitable for lithium battery production

Info

Publication number: CN113471644A
Application number: CN202110760854.XA
Authority: CN
Inventors: 于文岭
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-07-06
Filing date: 2021-07-06
Publication date: 2021-10-01

Abstract

The invention discloses an electrolyte injection system suitable for lithium battery production, which comprises a case and an injection unit fixedly installed on the case through a support frame, and is characterized in that: the lithium battery comprises a lithium battery. This be applicable to electrolyte injection system for lithium cell production can realize the automation of going up in succession in batches and annotate the liquid operation, goes up unloading inefficiency, need not to install a plurality of manipulators and uses, greatly reduced manufacturing cost is favorable to using widely, has realized through using intermittent type formula conveying mechanism and carousel formula conveying mechanism jointly, makes whole notes liquid equipment can carry out automatic material loading in batches in the short time.

Description

Electrolyte injection system suitable for lithium battery production

Technical Field

The invention relates to the technical field of lithium battery production, in particular to an electrolyte injection system suitable for lithium battery production.

Background

The production process flow of the lithium battery is as follows: firstly, preparing electrode slurry: mixing electrode active materials, a binder, a solvent and the like together, and fully stirring and dispersing to form slurry; step two, coating: uniformly coating the slurry prepared in the first step on a current collector (aluminum foil or copper foil and the like) with a specified thickness, and drying the solvent; step three, punching pole pieces: punching the pole piece manufactured in the previous step into a specified size and shape; step four, laminating: assembling the positive and negative pole pieces and the diaphragm together, and forming a pole core after the gluing is finished; step five, assembling the soft package battery: filling the pole core produced in the last step into the aluminum-plastic film punched with the pit, and finishing top sealing, side sealing and the like (reserving a port for liquid injection) to form a soft package battery without liquid injection; sixthly, injecting liquid: and injecting specified amount of electrolyte into the soft package battery core. Naturally, the battery cell is baked, and the liquid injection operation is performed in a low humidity environment; step seven, sealing the battery: the gas in the battery core is pumped out and sealed in a vacuum environment, wherein the liquid injection process is particularly important, and at present, when the liquid injection treatment of the lithium battery is carried out, a liquid injection machine is generally adopted to carry out automatic liquid injection operation.

Referring to the automatic liquid injection machine of the lithium battery with the Chinese patent publication No. CN105489829B, whether the battery is qualified or not is automatically detected, the second conveying device is controlled to screen the qualified battery according to the detection result, manual screening is not needed, the weighing detection device, the first conveying device, the second conveying device and the liquid injection device are coordinated and controlled through the module to complete the liquid injection of the whole battery, and the working efficiency is high.

Refer to chinese patent publication No. CN 105449153B's soft packet of lithium cell carousel and annotate liquid machine, can be in conveyer through quadruple rotating mechanical arm, weighing device before annotating the liquid, carousel priming device, it is rotatory after annotating the liquid between the weighing device, thereby with soft packet of lithium cell in conveyer, weighing device before annotating the liquid, carousel priming device, move between the weighing device after annotating the liquid, a quadruple rotating mechanical arm promptly alright with soft packet of lithium cell round trip movement between each manufacturing procedure, the production is continuous, compact structure, small, consequently, less than the shared production space of the production mode of current linear type assembly line, effective utilization production space, moreover the manipulator is few, the process is simple, the production line is short, and production cost is reduced.

A comprehensive analysis of the above referenced patents can yield the following drawbacks:

1) when the existing lithium battery liquid injection system carries out feeding and discharging, although the automatic equipment is adopted to replace manual feeding and discharging, but only suitable for single small-batch production, such as the automatic liquid filling machine for lithium batteries of patent CN105489829B and the turntable liquid filling machine for soft-package lithium batteries of CN105449153B, the manipulator is adopted for automatic feeding and discharging, the rapid continuous automatic feeding and discharging liquid injection operation on a large scale cannot be realized, the feeding and discharging efficiency is low, a plurality of manipulators are required to be installed for use when mass production is required, like this can greatly increased manufacturing cost, unfavorable beneficial using widely can not realize making whole notes liquid equipment can carry out automatic material loading in batches in a short time through using intermittent type formula conveying mechanism and carousel formula conveying mechanism jointly, can't reach not only fast but also the efficient and carry out the purpose that the liquid production was annotated to the lithium cell to the production of giving lithium cell manufacturing enterprise brings very big inconvenience.

2) The existing lithium battery liquid injection system does not have a safety protection effect in the process of clamping a battery soft package, and easily causes damage to the surface of the battery soft package, so that the reject ratio of a product is greatly improved, the mode of adopting soft clamping cannot be realized, excessive extrusion on the battery is avoided, the purpose of preventing scratches on the surface of the battery through using a soft sleeve cannot be achieved, and the lithium battery liquid injection system is very unfavorable for lithium battery production enterprises.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides an electrolyte injection system suitable for lithium battery production, which solves the problems that when the existing lithium battery injection system is used for feeding and discharging, although manual feeding and discharging are replaced by automatic equipment, the automatic electrolyte injection system can only be suitable for single small-batch production, large-batch, rapid, continuous and automatic feeding and discharging injection operation cannot be realized, the feeding and discharging efficiency is low, and when large-batch production is required, a plurality of mechanical arms are required to be installed for use, so that the production cost is greatly increased, the popularization and the use are not facilitated, and the aim of rapidly and efficiently carrying out lithium battery injection production cannot be fulfilled by using an intermittent conveying mechanism and a rotating disc type conveying mechanism in a combined manner so that the whole injection equipment can carry out large-batch automatic feeding in a short time.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a annotate liquid system suitable for lithium cell production is with electrolyte, includes that the liquid unit of annotating through support frame fixed mounting on quick-witted case and the quick-witted case, its characterized in that: the top of the case is provided with a transfer mechanism, the top of the case and two sides of the transfer mechanism are both fixedly provided with a single-row feeding mechanism, the mounting height of the single-row feeding mechanism positioned on the left side of the transfer mechanism is higher than that of the transfer mechanism, the mounting height of the single-row feeding mechanism positioned on the right side of the transfer mechanism is lower than that of the transfer mechanism, a conveying belt is fixedly arranged on one side of the single-row feeding mechanism positioned on the top of the case, and a driving assembly and a hydraulic unit are arranged in the case;

transport mechanism includes the disk body with drive assembly fixed connection and sets up the clamping groove on the disk body, the inside of disk body begins to accomodate groove and mounting groove from edge to inboard in proper order, and the both sides of clamping inslot wall all are provided with the clamping subassembly, there is first pneumatic cylinder through mounting fixed mounting in the mounting groove, the end that stretches out of first pneumatic cylinder runs through in proper order and accomodates groove and clamping groove and extend to the inside in clamping groove. One end of the extending end of the first hydraulic cylinder, which extends to the interior of the clamping groove, is fixedly connected with a containing assembly, and one side of the containing assembly is fixedly connected with one side of the inner wall of the containing groove through a buffer spring;

the single-row feeding mechanism comprises a first rolling roller and a second rolling roller which are connected to the top of the case in a rotating mode through a support, and a first driving motor which is fixedly installed on the top of the case, an output shaft of the first driving motor is fixedly connected with one end of the first rolling roller through a coupler, the first rolling roller and the second rolling roller are connected between the outer surfaces of the first rolling roller and the second rolling roller in a transmission mode through a belt, the surface of the belt is connected with a bottom plate through bolts, side plates are fixedly connected to the front side and the rear side of the bottom plate, and an elastic pad assembly is fixedly connected to the top of the bottom plate.

Preferably, the elastic cushion assembly comprises a bottom box fixedly installed on the bottom plate, one side of the bottom box is connected with the top box in a rotating mode through a rotating rod, a torsion spring is sleeved on the outer surface of the rotating rod, two ends of the torsion spring are fixedly connected with one side of the bottom box and one side of the top box respectively, a bent cylinder is fixedly connected to the top of the inner wall of the bottom box, and a reset spring is fixedly connected between the inside of the bent cylinder and the bottom of the inner wall of the top box.

Preferably, the clamping subassembly is including seting up the recess in clamping inslot wall both sides and set up with the fixed slot of recess inner wall one side, the inside fixed mounting of fixed slot has the second pneumatic cylinder, and the end fixedly connected with arc rubber slab that stretches out of second pneumatic cylinder, one side fixed connection elastic friction gasket of arc rubber slab, and the inner wall fixed connection of spring and recess is passed through to the opposite side of arc rubber slab.

Preferably, the connect subassembly greatly includes that fixed mounting stretches out the take-up (stock) pan on the end in first pneumatic cylinder, the spread groove has been seted up at the top of take-up (stock) pan, and the inside fixed mounting of spread groove has the electro-magnet.

Preferably, drive assembly includes and rotates the drive shaft of connecting on quick-witted incasement wall bottom through the U-shaped frame, quick-witted incasement wall's bottom and the one side that is located the drive shaft have a second driving motor through link fixed mounting, and the surface of second driving motor output shaft has arc swing plate through fixed cover fixedly connected with, the top of drive shaft runs through quick-witted case and extends to the top of quick-witted case.

Preferably, the drive shaft extends to the bottom fixed connection of the one end at machine case top and disk body, and the outer fixed surface that the drive shaft is located quick-witted incasement portion is connected with the carousel, the surface of carousel offer with the arc wall of arc swing plate looks adaptation.

Preferably, the driving shaft is a hollow shaft, and a conduit penetrates through the hollow of the driving shaft.

Preferably, one end of the guide pipe is communicated with a liquid through port of the hydraulic unit, and the other end of the guide pipe is respectively communicated with liquid through ports of the first hydraulic cylinder and the second hydraulic cylinder.

Preferably, the inner wall of the case is fixedly provided with a central processing unit and a time relay respectively.

Preferably, a control panel is fixedly mounted on one side of the case through a bracket.

(III) advantageous effects

The invention provides an electrolyte injection system suitable for lithium battery production. Compared with the prior art, the method has the following beneficial effects:

(1) the electrolyte filling system for lithium battery production is characterized in that a transfer mechanism is arranged at the top of a case, single-row feeding mechanisms are fixedly arranged at the top of the case and on two sides of the transfer mechanism, the single-row feeding mechanisms on the left side of the transfer mechanism are higher in mounting height than the transfer mechanism, the single-row feeding mechanisms on the right side of the transfer mechanism are lower in mounting height than the transfer mechanism, a conveying belt is fixedly arranged at the top of the case and on one side of the single-row feeding mechanisms, a driving assembly and a hydraulic unit are arranged in the case, large-batch, rapid, continuous and automatic feeding and discharging liquid filling operation can be realized, feeding and discharging efficiency is low, a plurality of mechanical arms are not required to be mounted for use, production cost is greatly reduced, popularization and application are facilitated, batch type conveying mechanisms and rotary disc type conveying mechanisms are combined for use, so that large-batch automatic feeding can be realized in a short time by the whole liquid filling equipment, the purpose of carrying out lithium battery liquid injection production fast and efficiently is well achieved, so that the lithium battery liquid injection production line is not only suitable for single small-batch production, but also suitable for large-batch liquid injection production, and production work of lithium battery production enterprises is greatly facilitated.

(2) This electrolyte injection system for lithium battery production, its clamping subassembly is including seting up the recess in clamping inslot wall both sides and set up the fixed slot with inslot wall one side, the inside fixed mounting of fixed slot has the second pneumatic cylinder, and the end fixedly connected with arc rubber slab that stretches out of second pneumatic cylinder, one side fixedly connected with elastic friction gasket of arc rubber slab, and the opposite side of arc rubber slab passes through the inner wall fixed connection of spring and recess, can realize the mode through adopting soft centre gripping, avoid excessively squeezing the battery, fine reaching is through using soft cover, prevent to produce the purpose of mar to the surface of battery, improve the security of lithium battery injection system greatly, avoid causing the damage to the surface of battery soft package, make the defective rate greatly reduced of product, thereby it is very useful to lithium battery manufacturing enterprise.

(3) This electrolyte filling system for lithium cell production, its single row feeding mechanism includes that it rolls roller and fixed mounting in quick-witted roof portion's first roller and second roller and the first driving motor of fixed mounting to rotate respectively to connect in quick-witted roof portion through the support, first driving motor's output shaft passes through shaft coupling and the first one end fixed connection who rolls the roller, and first roller and second roll and carry out the transmission through the belt between the surface of roller and connect, the surface of belt is through bolt fixedly connected with bottom plate, can realize through carrying out the single pay-off, come the cooperation carousel to carry out the notes liquid and the transportation of lithium cell package, thereby make whole equipment more practical.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of the present invention;

FIG. 3 is a schematic structural view of a single-row feeding mechanism of the present invention;

FIG. 4 is a schematic view of the construction of the spring washer assembly of the present invention;

FIG. 5 is a cross-sectional view of the construction of the spring washer assembly of the present invention;

FIG. 6 is a top view of the arcuate pendulum plate and turntable configuration of the present invention;

FIG. 7 is a top view of the interior of the transfer mechanism of the present invention;

FIG. 8 is an enlarged view of a portion of the invention at A in FIG. 7;

FIG. 9 is a front view of the interior of the transfer mechanism of the present invention;

fig. 10 is a partial enlarged view of the invention at B in fig. 9.

In the figure, 1 chassis, 2 liquid injection unit, 3 transfer mechanism, 31 disc body, 32 clamping groove, 33 receiving groove, 34 mounting groove, 35 clamping component, 351 groove, 352 fixing groove, 353 second hydraulic cylinder, 354 arc rubber plate, 355 elastic friction gasket, 36 first hydraulic cylinder, 37 receiving component, 371 receiving disc, 372 connecting groove, 373 electromagnet, 4 single-row feeding mechanism, 41 first roller, 42 second roller, 43 first driving motor, 44 belt, 45 bottom plate, 46 side plate, 47 elastic cushion component, 471 bottom box, 472 top box, 473 torsion spring, 474 curved cylinder, 475 reset spring, 5 conveying belt, 6 driving component, 61U-shaped frame, 62 driving shaft, 63 second driving motor, 64 arc swinging plate, 65 turntable, 66 arc groove, 7 hydraulic unit, 8 guide pipe, 9 central processor, 10 time relay, 11 control panel.

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 to 10, an embodiment of the present invention provides a technical solution: an electrolyte injection system suitable for lithium battery production comprises a case 1 and an injection unit 2 fixedly installed on the case 1 through a support frame, wherein the injection unit 2 adopts an automatic injection sealing machine with the model of FSH-SKAP, a central processing unit 9 and a time relay 10 are respectively and fixedly installed on the inner wall of the case 1, the model of the central processing unit 9 is ARM9, the model of the time relay 10 is DS-2, a control panel 11 is fixedly installed on one side of the case 1 through the support frame, a transfer mechanism 3 is arranged on the top of the case 1, single-row feeding mechanisms 4 are fixedly installed on the top of the case 1 and on two sides of the transfer mechanism 3, the installation height of the single-row feeding mechanism 4 on the left side of the transfer mechanism 3 is higher than that of the transfer mechanism 3, and the installation height of the single-row feeding mechanism 4 on the right side of the transfer mechanism 3 is lower than that of the transfer mechanism 3, the top of the case 1 and one side of the single-row feeding mechanism 4 are fixedly provided with a conveyer belt 5, a driving assembly 6 and a hydraulic unit 7 are arranged in the case 1, and the hydraulic unit 7 comprises a hydraulic tank and a hydraulic pump.

As shown in fig. 7 and 9, in the embodiment of the present invention, the transfer mechanism 3 includes a tray body 31 fixedly connected to the driving assembly 6, and a clamping groove 32 provided on the tray body 31, a receiving groove 33 and a mounting groove 34 are sequentially formed in the tray body 31 from the edge to the inner side, clamping assemblies 35 are respectively provided on two sides of the inner wall of the clamping groove 32, a first hydraulic cylinder 36 is fixedly mounted in the mounting groove 34 through a fixing member, and an extending end of the first hydraulic cylinder 36 sequentially penetrates through the receiving groove 33 and the clamping groove 32 and extends into the clamping groove 32. And one end of the extending end of the first hydraulic cylinder 36 extending to the inside of the clamping groove 32 is fixedly connected with a receiving assembly 37, and one side of the receiving assembly 37 is fixedly connected with one side of the inner wall of the receiving groove 33 through a buffer spring.

As shown in fig. 8, in the embodiment of the present invention, the clamping assembly 35 includes a groove 351 formed on two sides of an inner wall of the clamping groove 32 and a fixing groove 352 formed on one side of the inner wall of the groove 351, a second hydraulic cylinder 353 is fixedly installed inside the fixing groove 352, the first hydraulic cylinder 36 and the second hydraulic cylinder 353 are both hydraulic cylinders of the type swachwaw, an extending end of the second hydraulic cylinder 353 is fixedly connected with an arc-shaped rubber plate 354, one side of the arc-shaped rubber plate 354 is fixedly connected with an elastic friction gasket 355, and the other side of the arc-shaped rubber plate 354 is fixedly connected with the inner wall of the groove 351 through a spring.

As shown in fig. 10, in the embodiment of the present invention, the receiving assembly 37 includes a receiving tray 371 fixedly mounted on the extending end of the first hydraulic cylinder 36, a connecting groove 372 is formed at the top of the receiving tray 371, an electromagnet 373 is fixedly mounted inside the connecting groove 372, and the type of the electromagnet 373 is MZD 1.

As shown in fig. 3, in the embodiment of the present invention, the single-row feeding mechanism 4 includes a first roller 41 and a second roller 42 rotatably connected to the top of the chassis 1 through a bracket, and a first driving motor 43 fixedly installed on the top of the chassis 1, an output shaft of the first driving motor 43 is fixedly connected to one end of the first roller 41 through a coupling, outer surfaces of the first roller 41 and the second roller 42 are in transmission connection through a belt 44, a bottom plate 45 is fixedly connected to a surface of the belt 44 through a bolt, side plates 46 are fixedly connected to front and rear sides of the bottom plate 45, and an elastic pad assembly 47 is fixedly connected to the top of the bottom plate 45.

As shown in fig. 4-5, in the embodiment of the present invention, the elastic pad assembly 47 includes a bottom case 471 fixedly installed on the bottom plate 45, one side of the bottom case 471 is rotatably connected to a top box 472 through a rotating rod, and the outer surface of the rotating rod is sleeved with a torsion spring 473, two ends of the torsion spring 473 are respectively fixedly connected to one side of the bottom case 471 and one side of the top box 472, the top of the inner wall of the bottom case 471 is fixedly connected to a curved tube 474, and a return spring 475 is fixedly connected between the inside of the curved tube 474 and the bottom of the inner wall of the top box 472.

As shown in fig. 2 and fig. 6, in the embodiment of the present invention, the driving assembly 6 includes a driving shaft 62 rotatably connected to the bottom of the inner wall of the chassis 1 through a U-shaped frame 61, a second driving motor 63 is fixedly mounted on the bottom of the inner wall of the chassis 1 and on one side of the driving shaft 62 through a connecting frame, the first driving motor 43 and the second driving motor 63 are both servo motors with a model number of 40CB010C-500000, an arc-shaped swing plate 64 is fixedly connected to an outer surface of an output shaft of the second driving motor 63 through a fixing sleeve, a top end of the driving shaft 62 penetrates through the chassis 1 and extends to the top of the chassis 1, one end of the driving shaft 62 extending to the top of the chassis 1 is fixedly connected to the bottom of the disk 31, a turntable 65 is fixedly connected to an outer surface of the driving shaft 62 located inside the chassis 1, an arc-shaped groove 66 adapted to the arc-shaped swing plate 64 is formed on an outer surface of the turntable 65, and the driving shaft 62 is a hollow shaft, and a guide pipe 8 penetrates through the hollow of the driving shaft 62, one end of the guide pipe 8 is communicated with a liquid through port of the hydraulic unit 7, and the other end of the guide pipe 8 is respectively communicated with liquid through ports of the first hydraulic cylinder 36 and the second hydraulic cylinder 353.

Before use, a control program is firstly recorded into a central processing unit 9 and a time relay 10 of the liquid injection equipment through a control panel 11, and the control program comprises discharging time, liquid injection time and clamping time.

Discharging and conveying: the lithium battery pack to be injected is placed on the conveying belt 5 through manual work or an external automatic production line, the lithium battery pack is placed, the interval of each battery pack is matched with the working interval of each elastic cushion assembly 47, synchronous feeding can be guaranteed, the lithium battery pack can fall into the elastic cushion assemblies 47 of the single-row feeding mechanism 4 through the conveying belt 5, the lithium battery pack can firstly and respectively buffer through the bottom box 471, the top box 472, the torsion spring 473, the bending barrel 474 and the reset spring 475, and the side plate 46 is used for blocking, the battery pack is prevented from being inclined or leaking, as the first driving motor 43 drives the belt 44 to convey towards the direction of the transfer mechanism 3 through the first rolling roller 41 and the second rolling roller 42, the battery pack falling onto the elastic cushion assemblies 47 can move onto the transfer mechanism 3 along with the belt 44.

Liquid is injected through clamping: after the battery pack to be injected moves to the rightmost end of the belt 44, the battery pack falls into the clamping groove 32 under the action of gravity, the central processing unit 9 controls the electromagnet 373 to generate magnetism, the battery pack is adsorbed, because when the battery pack starts to work, the central processing unit 9 controls the time relay 10 to perform material discharge time timing, after the material discharge time is reached, the central processing unit 9 controls the hydraulic unit 7 and the electromagnetic valve in the pipeline communicating the hydraulic unit 7 with the second hydraulic cylinder 353 to start working, so that the second hydraulic cylinder 353 extends out, the second hydraulic cylinder 353 can clamp the battery pack through the arc-shaped rubber plate 354 and the elastic friction gasket 355 respectively, at the moment, the central processing unit 9 controls the injection head of the injection unit 7 to descend to inject liquid and pre-seal the battery pack, and after the set liquid injection time is reached, the liquid injection unit resets.

Transferring and unloading: after the liquid injection is completed, the central processing unit 9 controls the second driving motor 63 to start working, the second driving motor 63 can drive the driving shaft 62 to intermittently rotate through the arc-shaped swinging plate 64, the arc-shaped groove 66 and the turntable 65, the driving shaft 62 can drive the tray body 31 and the battery pack subjected to liquid injection clamping to intermittently rotate, after the battery pack rotates to the single-row feeding mechanism 4 on the right side, the central processing unit 9 firstly controls the electromagnet 373 to lose power, the battery pack is subjected to non-magnetic constraint, and then the hydraulic unit 7 and the electromagnetic valve in the communication pipeline between the hydraulic unit 7 and the first hydraulic cylinder 36 are controlled to start working, so that the first hydraulic cylinder 36 is retracted, the battery pack subjected to liquid injection can fall on the single-row feeding mechanism 4 on the right side, and then the battery pack can be conveyed to the next working procedure for processing.

And those not described in detail in this specification are well within the skill of those in the art.

It should be noted that, the bottom plate 45 and the side plate 46 are made of soft rubber materials and can be deformed, and the diameters of the first roller 41 and the second roller 42 are larger than the length of the bottom plate 45, so as to prevent the first roller 41 and the second roller 42 from jamming when the driving belt 44 rotates.

It should be noted that, when the second driving motor 63 drives the driving shaft 62 to rotate, it is only able to rotate the driving shaft 62 by 360 ° -720 ° at a time and then needs to be reversed to reset, because the conduit 8 is installed inside the driving shaft 62, if the conduit 8 is rotated infinitely in one direction, the conduit 8 will be twisted off, so as long as the mechanical property of the material of the conduit 8 is not exceeded, and the battery pack is reversed again to be filled in the next batch, and thus continuous filling can be realized.

It is also noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a annotate liquid system suitable for lithium cell production is with electrolyte, includes on quick-witted case (1) and quick-witted case (1) through support frame fixed mounting annotate liquid unit (2), its characterized in that: the top of the case (1) is provided with a transfer mechanism (3), the top of the case (1) and two sides of the transfer mechanism (3) are fixedly provided with a single-row feeding mechanism (4), the mounting height of the single-row feeding mechanism (4) on the left side of the transfer mechanism (3) is higher than that of the transfer mechanism (3), the mounting height of the single-row feeding mechanism (4) on the right side of the transfer mechanism (3) is lower than that of the transfer mechanism (3), a conveying belt (5) is fixedly arranged on the top of the case (1) and one side of the single-row feeding mechanism (4), and a driving assembly (6) and a hydraulic unit (7) are arranged in the case (1);

transport mechanism (3) include with drive assembly (6) fixed connection's disk body (31) and set up clamping groove (32) on disk body (31), the inside of disk body (31) has started to accomodate groove (33) and mounting groove (34) from edge to inboard in proper order, and the both sides of clamping groove (32) inner wall all are provided with clamping assembly (35), there are first pneumatic cylinder (36) through mounting fixed mounting in mounting groove (34), the end that stretches out of first pneumatic cylinder (36) runs through in proper order and accomodates groove (33) and clamping groove (32) and extend to the inside in clamping groove (32). One end, extending out of the first hydraulic cylinder (36), of the extension end of the first hydraulic cylinder (36) extends into the clamping groove (32), is fixedly connected with a containing assembly (37), and one side of the containing assembly (37) is fixedly connected with one side of the inner wall of the accommodating groove (33) through a buffer spring;

single feed mechanism (4) include through the support rotate respectively connect in the first roller (41) and the second roller (42) at quick-witted case (1) top and fixed mounting in first driving motor (43) at quick-witted case (1) top, the output shaft of first driving motor (43) passes through shaft coupling and the one end fixed connection of first roller (41), and carries out the transmission through belt (44) between the surface of first roller (41) and second roller (42) and connect, bolt fixedly connected with bottom plate (45) is passed through on the surface of belt (44), and the equal fixedly connected with curb plate (46) in both sides around bottom plate (45), the top fixedly connected with bullet pad subassembly (47) of bottom plate (45).

2. The electrolyte injection system for lithium battery production as claimed in claim 2, wherein: bullet pad subassembly (47) is including end box (471) of fixed mounting on bottom plate (45), one side of end box (471) is rotated through the bull stick and is connected with STB (472), and the surface cover of bull stick is equipped with torsional spring (473), the both ends of torsional spring (473) respectively with one side fixed connection of end box (471) and STB (472), and the curved section of thick bamboo (474) of top fixed connection of end box (471) inner wall, fixedly connected with reset spring (475) between the inside of curved section of thick bamboo (474) and the bottom of STB (472) inner wall.

3. The electrolyte injection system for lithium battery production as claimed in claim 1, wherein: clamping subassembly (35) including offer recess (351) of clamping groove (32) inner wall both sides and set up with fixed slot (352) of recess (351) inner wall one side, the inside fixed mounting of fixed slot (352) has second pneumatic cylinder (353), and the end fixedly connected with arc rubber slab (354) that stretches out of second pneumatic cylinder (353), one side fixed connection elasticity friction washer (355) of arc rubber slab (354), and the inner wall fixed connection of spring and recess (351) is passed through to the opposite side of arc rubber slab (354).

4. The electrolyte injection system for lithium battery production as claimed in claim 3, wherein: connect subassembly (37) greatly including fixed mounting in first pneumatic cylinder (36) stretch out take-up (371) on the end, spread groove (372) have been seted up at the top of take-up (371), and the inside fixed mounting of spread groove (372) has electro-magnet (373).

5. The electrolyte injection system for lithium battery production as claimed in claim 1, wherein: drive assembly (6) include through U-shaped frame (61) rotation connection drive shaft (62) on quick-witted case (1) inner wall bottom, the bottom of quick-witted case (1) inner wall and the one side that is located drive shaft (62) have second driving motor (63) through link fixed mounting, and the surface of second driving motor (63) output shaft is through fixed cover fixedly connected with arc pendulum board (64), the top of drive shaft (62) runs through quick-witted case (1) and extends to the top of quick-witted case (1).

6. The electrolyte injection system for lithium battery production as claimed in claim 5, wherein: the drive shaft (62) extends to the bottom fixed connection of the one end at the top of the machine case (1) and the disc body (31), the drive shaft (62) is located on the outer surface fixed connection turntable (65) inside the machine case (1), and the outer surface of the turntable (65) is provided with an arc-shaped groove (66) matched with the arc-shaped swinging plate (64).

7. The electrolyte injection system for lithium battery production as claimed in claim 6, wherein: the driving shaft (62) is a hollow shaft, and a guide pipe (8) penetrates through the hollow of the driving shaft (62).

8. The electrolyte injection system for lithium battery production as claimed in claim 7, wherein: one end of the guide pipe (8) is communicated with a liquid through port of the hydraulic unit (7), and the other end of the guide pipe (8) is respectively communicated with liquid through ports of the first hydraulic cylinder (36) and the second hydraulic cylinder (353).

9. The electrolyte injection system for lithium battery production as claimed in claim 1, wherein: the inner wall of the case (1) is respectively and fixedly provided with a central processing unit (9) and a time relay (10).

10. The electrolyte injection system for lithium battery production as claimed in claim 1, wherein: one side of the case (1) is fixedly provided with a control panel (11) through a bracket.