CN107422270B - Code internal resistance testing mechanism is swept to electricity core and liquid automatic production equipment is annotated to electricity core - Google Patents
Code internal resistance testing mechanism is swept to electricity core and liquid automatic production equipment is annotated to electricity core Download PDFInfo
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- CN107422270B CN107422270B CN201710481971.6A CN201710481971A CN107422270B CN 107422270 B CN107422270 B CN 107422270B CN 201710481971 A CN201710481971 A CN 201710481971A CN 107422270 B CN107422270 B CN 107422270B
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- internal resistance
- lifting
- code scanning
- resistance testing
- liquid injection
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/389—Measuring internal impedance, internal conductance or related variables
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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
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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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Abstract
The invention discloses a code scanning internal resistance testing mechanism for a battery cell and automatic battery cell liquid injection production equipment. The vertical lifting device comprises: the lifting flat plate is fixed on the lifting sliding block, a code scanning rotating motor, an internal resistance testing rotating motor and an internal resistance testing probe are arranged on the lifting flat plate, and the output ends of the code scanning rotating motor and the internal resistance testing rotating motor are respectively provided with a poking block; the code scanning machine corresponds to the code scanning rotating motor. Therefore, the problems of code scanning and internal resistance testing of the battery cell before liquid injection of the battery cell can be better solved, and the automatic production level of the whole equipment is improved.
Description
Technical Field
The invention relates to the technical field of mechanical and automatic production of a battery cell, in particular to a battery cell code scanning internal resistance testing mechanism and automatic battery cell liquid injection production equipment.
Background
With the continuous development of society and the continuous progress of science and technology, mechanical automatic production becomes a development trend, gradually replaces the traditional manual labor, and injects a new power source for the sustainable development of enterprises. Therefore, the cell production and manufacturing enterprises also need to advance with time, and through transformation and upgrading, technical transformation is actively promoted, and mechanical automatic production is vigorously developed, so that the 'intelligent manufacturing' level of the enterprises is improved, and the sustainable development of the enterprises is realized.
In the production process of the battery core, liquid needs to be injected into the battery core, and in order to better realize the mechanical automatic production of the liquid injection of the battery core, one set of automatic production equipment for injecting the liquid into the battery core needs to be developed.
Especially, before liquid is injected into the electric core, the electric core needs to be scanned to record the bar code information of each electric core, so that information records are provided for the electric core in the operation process of the whole equipment, and the electric core also needs to be subjected to internal resistance testing, so that unqualified products of the short-circuit electric core are prevented from appearing.
How to scan the sign indicating number and internal resistance test to electric core before electric core annotates liquid is the technical problem that research and development personnel of enterprise need solve.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, provides a cell code scanning internal resistance testing mechanism and cell liquid injection automatic production equipment, and better solves the problems of code scanning and internal resistance testing of a cell before the liquid injection of the cell so as to improve the automatic production level of the whole equipment.
The purpose of the invention is realized by the following technical scheme:
a code scanning internal resistance testing mechanism for a battery cell comprises a material loading assembly line, code scanning machines and vertical lifting devices, wherein the code scanning machines and the vertical lifting devices are respectively positioned on two sides of the material loading assembly line;
the vertical lifting device comprises: the lifting mechanism comprises a support frame, a cam, a connecting rod, a lifting slider, a lifting flat plate and a lifting driving motor, wherein the lifting slider is arranged on the support frame in a sliding mode along the vertical direction, the cam is arranged on the support frame in a rotating mode, two ends of the connecting rod are respectively hinged to the lifting slider and the cam, the lifting driving motor drives the cam to rotate through a belt, the lifting flat plate is fixed on the lifting slider, a code scanning rotating motor, an internal resistance testing rotating motor and an internal resistance testing probe are sequentially arranged on the lifting flat plate along the flowing direction of a feeding assembly line, the output ends of the code scanning rotating motor and the internal resistance testing rotating motor are respectively provided with a poking block, and each poking block comprises a rotating plate and a convex block arranged on the surface of the rotating plate;
the code scanning machine corresponds to the code scanning rotating motor.
In one embodiment, the loading assembly line is provided with a plurality of code-scanning internal resistance testing jigs at intervals in sequence along the flowing direction of the loading assembly line.
In one embodiment, the feeding line is a straight transport line.
In one embodiment, the code scanning rotary motor is a stepper motor.
In one embodiment, the internal resistance test rotating electrical machine is a stepping motor.
The utility model provides an automatic production facility is annotated to electric core, includes that a yard internal resistance accredited testing organization is swept to foretell electric core, still includes preceding weighing mechanism, annotates liquid mechanism, back weighing mechanism, commentaries on classics material assembly line, unloading assembly line, sabot mechanism, the electric core is swept yard internal resistance accredited testing organization, preceding weighing mechanism, is annotated liquid mechanism, back weighing mechanism, commentaries on classics material assembly line, unloading assembly line, sabot mechanism and is set up according to the preface.
The code scanning and internal resistance testing mechanism for the battery core and the automatic battery core liquid injection production equipment can better solve the problems of code scanning and internal resistance testing of the battery core before battery core liquid injection, so that the automatic production level of the whole equipment is improved.
Drawings
Fig. 1 is a structural diagram of an automatic battery cell injection production apparatus according to an embodiment of the present invention;
fig. 2 is a structural diagram of the cell code-scanning internal resistance testing mechanism shown in fig. 1;
FIG. 3 is a block diagram of the vertical lift device shown in FIG. 2;
FIG. 4 is a structural view (II) of the vertical lift device shown in FIG. 2;
FIG. 5 is a block diagram of the injection mechanism shown in FIG. 1;
FIG. 6 is a block diagram of the secondary stapling device shown in FIG. 1;
fig. 7 is a structural view of the tray loading mechanism shown in fig. 1.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1, an automatic production apparatus 10 for liquid injection of a battery core includes a battery core code-scanning internal resistance testing mechanism 100, a front weighing mechanism 200, a liquid injection mechanism 300, a rear weighing mechanism 400, a material-transferring assembly line 500, a blanking assembly line 600, and a tray loading mechanism 700, which are sequentially arranged.
As shown in fig. 2, the cell code-scanning internal resistance testing mechanism 100 includes an upper material flow line 110, and a code-scanning machine 120 and a vertical lifting device 130 respectively located at two sides of the upper material flow line 110.
As shown in fig. 5, the liquid injection mechanism 300 includes a liquid injection turntable 310, and a battery cell presence detection device 320, a hole site detection device 330, a liquid injection device 340, and a pre-nailing device 350, which are sequentially disposed around the liquid injection turntable 310. The liquid injection turntable 310 is provided with a battery cell liquid injection jig 360.
The transfer assembly line 500 is sequentially provided with a secondary nail pressing device 510 and a CCD detection device 520 along the flowing direction.
As shown in fig. 1, the battery cell liquid injection automatic production equipment 10 further includes a feeding manipulator 800, a transferring manipulator 900 and an unloading manipulator 1000, the feeding manipulator 800 is used for transferring the battery cell from the feeding assembly line 110, the front weighing mechanism 200 and the liquid injection turntable 310 in sequence, the transferring manipulator 900 is used for transferring the battery cell from the liquid injection turntable 310, the rear weighing mechanism 400 and the liquid injection assembly line 500 in sequence, and the unloading manipulator 1000 is used for transferring the battery cell from the liquid injection assembly line 500 to the unloading assembly line 600.
Further, the automatic production equipment 10 for battery cell liquid injection further includes a first time inferior defective battery cell manipulator 1100 and a second time inferior defective battery cell manipulator 1200, the first time inferior defective battery cell manipulator 110 is disposed at the end of the material loading assembly line 110, and the second time inferior defective battery cell manipulator 1200 is disposed at the end of the material transferring assembly line 500.
The operation principle of the cell liquid injection automatic production equipment 10 is as follows:
the method comprises the following steps of placing the battery cells to be injected into a loading assembly line 110 of a battery cell code scanning internal resistance testing mechanism 100, and passing through a code scanning machine 120 and a vertical lifting device 130 under the action of the loading assembly line 110, so that battery cell code scanning and internal resistance testing are realized, the battery cell code scanning is used for recording bar code information of each battery cell, information recording is provided for the battery cells in the operation process of the whole equipment, and the internal resistance testing is used for detecting the internal resistance of the battery cells and preventing unqualified products of short-circuited battery cells from appearing;
when the battery cell in the feeding assembly line 110 reaches the end position of the battery cell, a first time of clamping the battery cell with unqualified internal resistance detection to a defective product recovery position by a defective battery cell manipulator 1100, clamping the battery cell with qualified internal resistance detection to a front weighing mechanism 200 by a feeding manipulator 800, weighing the battery cell without liquid injection by the front weighing mechanism 200, and after weighing, clamping the battery cell in the front weighing mechanism 200 to a battery cell injection jig 360 of a liquid injection turntable 310 by the feeding manipulator 800;
under the rotary transportation of the liquid injection turntable 310, a battery core in the battery core liquid injection jig 360 sequentially passes through the battery core existence detection device 320, the hole site detection device 330, the liquid injection device 340 and the pre-press nail device 350, the battery core existence detection device 320 is used for detecting whether a battery core exists in the current battery core liquid injection jig 360, if the current battery core liquid injection jig 360 does not have a battery core, a subsequent station does not perform processing action on the current battery core liquid injection jig 360, the hole site detection device 330 is used for rotating the battery core to align the hole site of the battery core, so as to prepare for the liquid injection of the subsequent battery core, the liquid injection device 340 is used for injecting liquid into the battery core, and the pre-press nail device 350 is used for loading a steel nail into the liquid injection hole of the battery core;
the transferring manipulator 900 is used for taking out the electric core at the pre-nailing device 350 into the rear weighing mechanism 400, the rear weighing mechanism 400 is used for weighing the electric core after liquid injection, and after weighing, the transferring manipulator 900 transfers the electric core in the rear weighing mechanism 400 into the transferring assembly line 500;
the electric core sequentially passes through a secondary nail pressing device 510 and a CCD detection device 520 under the action of the transfer assembly line 500, the secondary nail pressing device 510 is used for pressing a steel nail into the electric core liquid injection hole, and the CCD detection device 520 is used for carrying out photographing detection on whether the steel nail is correctly pressed into the liquid injection hole;
the second inferior cell manipulator 1200 is configured to transfer an inferior cell in the end of the transfer line 500 to an inferior product recovery place, for example, a cell whose liquid injection amount does not meet the requirement is an inferior product, and a cell whose steel nail is not correctly pressed into a liquid injection hole is an inferior product;
the blanking manipulator 1000 is used for transferring qualified battery cells at the tail end of the material transferring assembly line 500 to the blanking assembly line 600, the blanking assembly line 600 is used for transporting the battery cells to the tray loading mechanism 700, and the tray loading mechanism 700 is used for loading the battery cells;
and thus, completing the automatic liquid injection production of the battery cell once, and repeating the steps.
As shown in fig. 2, fig. 3, and fig. 4, the cell code-scanning internal resistance testing mechanism 100 is specifically described:
yard internal resistance accredited testing organization 100 is swept to battery core includes material loading assembly line 110 and is located respectively and sweeps ink recorder 120 and vertical elevating gear 130 of material loading assembly line 110 both sides. In this embodiment, the material loading assembly line 110 is provided with a plurality of code-scanning internal resistance testing jigs at intervals in sequence along the flowing direction thereof, and the material loading assembly line 110 is a linear transportation type assembly line.
The vertical elevating device 130 includes: support frame 131, cam 132, connecting rod 133, lift slider 134, lift flat plate 135, lift driving motor 136. The lifting slide block 134 is arranged on the support frame 131 in a sliding manner along the vertical direction, the cam 132 is arranged on the support frame 131 in a rotating manner, two ends of the connecting rod 133 are respectively hinged with the lifting slide block 134 and the cam 132, the lifting drive motor 136 drives the cam 132 to rotate through a belt, the lifting flat plate 135 is fixed on the lifting slide block 134, the lifting flat plate 135 is sequentially provided with a code scanning rotating motor 137, an internal resistance testing rotating motor 138 and an internal resistance testing probe 139 (shown in fig. 2) along the flowing direction of the feeding assembly line 110, output ends of the code scanning rotating motor 137 and the internal resistance testing rotating motor 138 are respectively provided with a toggle block 140 (shown in fig. 4), and the toggle block 140 comprises a rotating plate 141 and a convex block 142 arranged on the. In the present embodiment, the code scanning rotating motor 137 and the internal resistance testing rotating motor 138 are stepping motors.
The code scanner 120 corresponds to the code scanning rotating motor 137.
The specific working principle of the cell code scanning internal resistance testing mechanism 100 is as follows:
firstly, describing the vertical lifting device 130, the lifting driving motor 136 drives the cam 132 to rotate through the belt, because two ends of the connecting rod 133 are respectively hinged with the lifting slider 134 and the cam 132, the rotation of the cam 132 drives the lifting slider 134 to vertically lift along the supporting frame 131 through the connecting rod 133, the lifting slider 134 further drives the lifting flat plate 135 to lift, and the lifting flat plate 135 further drives the code scanning rotating motor 137, the internal resistance testing rotating motor 138 and the internal resistance testing probe 139 thereon to be far away from or close to the electric core on the feeding assembly line 110;
when the battery cell on the feeding assembly line 110 reaches the code scanner 120, the dial block 140 at the code scanning rotating motor 137 is driven by the vertical lifting device 130 to contact the battery cell, and the code scanning rotating motor 137 drives the dial block 140 to rotate, so that the battery cell rotates, and the code scanner 120 can scan the battery cell;
after the cell is scanned, the cell continues to move forward under the action of the material loading assembly line 110 and reaches the internal resistance testing rotating motor 138, the poking block 140 at the internal resistance testing rotating motor 138 is driven by the vertical lifting device 130 to contact the cell, the internal resistance testing rotating motor 138 drives the poking block 140 to rotate, and then the cell rotates, so that preparation is provided for the subsequent internal resistance testing probe 139 to be accurately inserted into the cell for internal resistance testing;
the internal resistance test probe 139 is driven by the vertical lifting device 130 to be inserted into the battery cell, and short circuit test is carried out on the internal resistance of the battery cell;
sweep a yard rotating electrical machines 137, internal resistance test rotating electrical machines 138 and internal resistance test probe 139 and set gradually along the flow direction of material loading assembly line 110 to under the cooperation of vertical elevating gear 130 and material loading assembly line 110, make electric core can pass through in proper order and sweep a yard rotating electrical machines 137, internal resistance test rotating electrical machines 138 and internal resistance test probe 139, accomplish that the electric core sweeps a yard and internal resistance tests.
It should be noted that, the toggle block 140 includes the rotating plate 141 and the protrusion 142 disposed on the surface of the rotating plate 141, and such a structural design can enable the protrusion 142 to be embedded into the groove formed on the end surface of the battery cell, so as to rotate the battery cell, prevent the battery cell from slipping during rotation, and improve the stability of the rotation of the battery cell.
As shown in fig. 5, the hole site detecting device 330 will be described in detail:
the hole site detecting device 330 includes: a hole site detection lifting assembly 331 and a cell rotating assembly 332. The hole site detects elevating assembly 331 is used for driving the hole site to detect whether the hole site detection probe goes up and down to put in place the electric core hole site, and electric core rotating assembly 332 is used for cooperating hole site detects elevating assembly 331 and rotates electric core for electric core can rotate to accurate position.
Wherein, hole site detects lifting unit 331 includes: a hole site detection lifting cylinder 331a, and a hole site detection lifting plate 331 b. The hole site detection lifting cylinder 331a drives the hole site detection lifting plate 331b to lift along the vertical direction so as to be far away from or close to the battery cell liquid injection jig 360, and the hole site detection lifting plate 331b is provided with a hole site detection probe 331c and a detection probe in-place sensor 331 d.
Wherein, cell rotation assembly 332 includes: a cell rotation pushing cylinder 332a and a cell rotation pushing plate 332 b. The battery core rotation pushing cylinder 332a drives the battery core rotation pushing plate 332b to reciprocate along the horizontal direction so as to be away from or close to the battery core liquid injection jig 360, the battery core rotation pushing plate 332b is provided with a battery core rotation wheel 332c and a battery core rotation motor 332d, and the battery core rotation motor 332d drives the battery core rotation wheel 332d to rotate.
Here, it should be noted that the battery cell liquid injection jig 360 includes: base 361, electric core carousel 362, anti-tilt support frame 363. The cell turntable 362 is rotatably disposed on the base 361, the anti-tilting support frame 363 is fixed on the base 361 and located on one side of the cell turntable 362, the anti-tilting support frame 363 is provided with an auxiliary wheel 363a, and the auxiliary wheel 363a abuts against the side wall of the cell turntable 362.
The working principle of the hole site detecting device 330 is as follows:
the battery core in the battery core liquid injection jig 360 is driven by the liquid injection turntable 310 to reach the hole site detection device 330;
the hole site detection lifting assembly 331 acts, the hole site detection lifting cylinder 331a drives the hole site detection lifting plate 331b to descend along the vertical direction, so that the hole site detection probe 331c reaches the end face of the battery cell, and when the detection probe in-place sensor 331d touches the end face of the battery cell, the hole site detection lifting cylinder 331a stops driving;
the battery cell rotating assembly 332 acts, the battery cell rotating pushing cylinder 332a drives the battery cell rotating pushing plate 332b to be close to the battery cell liquid injection jig 360 along the horizontal direction, so that the battery cell rotating wheel 332c touches the side face of the battery cell rotating disc 362, the battery cell rotating motor 332d drives the battery cell rotating wheel 332d to rotate, the battery cell can rotate, and after the battery cell rotates in place, the hole site detection probe 331c falls into a liquid injection hole of the battery cell, so that the battery cell at the moment is proved to rotate in place, and preparation is made for subsequent liquid injection of the battery cell;
in particular, the battery core liquid injection jig 360 is provided with a battery core turntable 362, and the battery core is placed in the battery core turntable 362, so that the battery core can rotate more smoothly, the battery core liquid injection jig 360 is further provided with an anti-tilting support frame 363, the anti-tilting support frame 363 is provided with an auxiliary runner 363a, the auxiliary runner 363a abuts against the side wall of the battery core turntable 362, the battery core turntable 362 is prevented from tilting in the rotating process, and the stability of hole site detection is improved.
As shown in fig. 5, the liquid injection device 340 will be specifically described:
the liquid injection device 340 includes: an injection lifting cylinder 341 and a cell injection head 342. The liquid injection lifting cylinder 341 drives the battery cell liquid injection head 342 to lift in the vertical direction so as to be far away from or close to the battery cell liquid injection jig 360. The liquid injection lifting cylinder 341 drives the electric core liquid injection head 342 to descend along the vertical direction, so that the electric core liquid injection head 342 is inserted into the liquid injection hole of the electric core, and the liquid injection of the electric core is realized.
As shown in fig. 5, the pre-press nailing device 350 will be specifically explained:
the pre-press tack device 350 includes: the nail feeding vibration disc 351, the pre-pressing nail lifting plate 352, the pre-pressing nail air cylinder 353 and the nail pressing needle 354. The pre-pressing nail lifting plate 352 is provided with a steel nail feeding hole 352a, the steel nail feeding vibration disc 351 is communicated with the steel nail feeding hole 352a through a steel nail feeding pipeline (not shown), and the pre-pressing nail cylinder 353 drives the pressing nail 354 to penetrate through the steel nail feeding hole 352 a. The steel nail is come out by steel nail material loading vibration dish 351, reaches steel nail material loading hole 352a department through steel nail material loading pipeline, and pre-compaction nail cylinder 353 drive nail pressing needle 354 passes steel nail material loading hole 352a, presses the steel nail in steel nail material loading hole 352a in annotating the liquid hole of electric core.
As shown in fig. 6, the secondary stapling device 510 will be described in detail:
the secondary staple pressing device 510 includes: a secondary nail pressing lifting cylinder 511 and a nail pressing block 512. The secondary nail pressing lifting cylinder 511 drives the nail pressing block 512 to lift along the vertical direction. The secondary nail pressing lifting cylinder 511 drives the nail pressing block 512 to descend along the vertical direction, and the steel nails are stably pressed into the liquid injection holes of the battery cores through the nail pressing block 512.
As shown in fig. 7, the tray loading mechanism 700 will be specifically explained:
the tray loading mechanism 700 includes: the tray loading jig 710, the empty tray shifting device 720, the full tray shifting device 730 and the L-shaped tray moving channel 740. The tray moving channel 740 has an empty tray waiting area 741, a tray loading area 742, and a full tray waiting area 743, the empty tray shifting device 720 drives the tray loading jig 710 to move from the empty tray waiting area 741 to the tray loading area 742, and the full tray shifting device 730 drives the tray loading jig 710 to move from the tray loading area 742 to the full tray waiting area 743.
The operation principle of the tray loading mechanism 700 is as follows:
the empty tray shifting device 720 drives the tray loading jig 710 to be transferred from the empty tray material waiting area 741 to the tray material loading area 742, and the relevant manipulator unloads the battery cells in the unloading assembly line 600 into the tray loading jig 710;
after the current tray loading jig 710 is full of cells, the full tray shifting device 730 drives the tray loading jig 710 to move from the tray loading area 742 to the full tray waiting area 743;
when the loading jig 710 in the tray loading area 742 is transferred to the full tray waiting area 743, the tray loading area 742 is temporarily vacant, and then the empty tray toggle device 720 drives the empty loading jig 710 to be transferred from the empty tray waiting area 741 to the tray loading area 742 to supplement the vacant position of the tray loading area 742;
under the drive of the empty tray shifting device 720 and the full tray shifting device 730, the tray loading jig 710 moves and transports along the tray moving channel 740 in an L shape, so that the loading, loading and unloading of the tray loading jig 710 are realized, and the structure is simple.
In this embodiment, the empty tray shifting device 720 and the full tray shifting device 730 are both motor screw driving structures.
As shown in fig. 7, further, the disc loading jig 710 includes a cell supporting bottom plate 711 and a cell accommodating top plate 712, the cell supporting bottom plate 711 and the cell accommodating top plate 712 are arranged in parallel at an interval and form a cell accommodating cavity, the cell supporting bottom plate 711 and the cell accommodating top plate 712 are connected by a fixing column 714, a jig stacking fixing groove 711a is formed in the cell supporting bottom plate 711, a jig stacking fixing block 712a is formed in the cell accommodating top plate 712, a cell fixing groove 712b is further formed in the cell accommodating top plate 712, and a cell accommodating guide surface is formed at a notch of the cell fixing groove 712 b. It should be noted that, the battery cell supporting bottom plate 711 and the battery cell accommodating top plate 712 are arranged in parallel at intervals and form a battery cell accommodating cavity, and the battery cell supporting bottom plate 711 and the battery cell accommodating top plate 712 are connected through the fixing column 714, so that the overall weight of the tray loading jig 710 can be greatly reduced, and tray loading of the battery cell can be realized on the basis of light overall weight. It should be noted that, the battery cell supporting bottom plate 711 is provided with a fixture stacking fixing groove 711a, and the battery cell accommodating top plate 712 is provided with a fixture stacking fixing block 712a, so that when the empty tray-loading fixtures 710 need to be stacked in sequence to save space, the fixture stacking fixing block 712a of one tray-loading fixture 710 is clamped in the fixture stacking fixing groove 711a of the other tray-loading fixture 710, so that the stacking of the tray-loading fixtures 710 in sequence can be realized more stably, and the occurrence of tilting and toppling phenomena is reduced. It should be noted that, a cell fixing groove 712b has also been provided on the top plate 712 for accommodating the cell, the cell enters into the cell accommodating cavity through the cell fixing groove 712b to realize accommodating, each cell is placed in the cell fixing groove 712b, and the cells are spaced from each other through the cell fixing groove 712b, so that the stability of accommodating the cells is ensured, and meanwhile, mutual collision between the cells can be prevented, and the safety of accommodating the cells is improved. The notch of the cell fixing groove 712b forms a cell accommodating guide surface, and the cell accommodating guide surface can make the cell enter the cell accommodating cavity from the cell fixing groove 712b more smoothly.
The automatic production equipment for the battery cell liquid injection is realized by arranging a battery cell code scanning internal resistance testing mechanism 100, a front weighing mechanism 200, a liquid injection mechanism 300, a rear weighing mechanism 400, a material transfer assembly line 500 and a blanking assembly line 600 and optimally designing each structure: and detecting before the liquid injection of the battery core, injecting the liquid into the battery core and pressing the steel nail, and detecting and receiving the liquid after the liquid injection of the battery core.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (1)
1. An automatic production device for liquid injection of an electric core is characterized by comprising an electric core code scanning internal resistance testing mechanism, a front weighing mechanism, a liquid injection mechanism, a rear weighing mechanism, a material transferring assembly line, a discharging assembly line and a tray loading mechanism, wherein the electric core code scanning internal resistance testing mechanism, the front weighing mechanism, the liquid injection mechanism, the rear weighing mechanism, the material transferring assembly line, the discharging assembly line and the tray loading mechanism are sequentially arranged;
the battery cell code scanning internal resistance testing mechanism comprises a material loading assembly line, code scanning machines and vertical lifting devices, wherein the code scanning machines and the vertical lifting devices are respectively positioned on two sides of the material loading assembly line;
the vertical lifting device comprises: the lifting mechanism comprises a support frame, a cam, a connecting rod, a lifting slider, a lifting flat plate and a lifting driving motor, wherein the lifting slider is arranged on the support frame in a sliding mode along the vertical direction, the cam is arranged on the support frame in a rotating mode, two ends of the connecting rod are respectively hinged to the lifting slider and the cam, the lifting driving motor drives the cam to rotate through a belt, the lifting flat plate is fixed on the lifting slider, a code scanning rotating motor, an internal resistance testing rotating motor and an internal resistance testing probe are sequentially arranged on the lifting flat plate along the flowing direction of a feeding assembly line, the output ends of the code scanning rotating motor and the internal resistance testing rotating motor are respectively provided with a poking block, and each poking block comprises a rotating plate and a convex block arranged on the surface of the rotating plate;
the code scanning machine corresponds to the code scanning rotating motor;
a plurality of code scanning internal resistance testing jigs are sequentially arranged at intervals along the flowing direction of the feeding assembly line;
the feeding assembly line is a linear transport type assembly line;
the code scanning rotating motor is a stepping motor;
the internal resistance testing rotating motor is a stepping motor;
the liquid injection mechanism comprises a liquid injection turntable, and a battery cell existence detection device, a hole site detection device, a liquid injection device and a pre-pressing nail device which are sequentially arranged around the liquid injection turntable;
the hole site detection device includes: the hole site detection lifting assembly is used for driving the hole site detection probe to lift and detect whether a hole site of the battery cell is in place or not, and the battery cell rotating assembly is used for rotating the battery cell in cooperation with the hole site detection lifting assembly so that the battery cell can rotate to an accurate position;
annotate and be equipped with electric core on the liquid carousel and annotate liquid tool, electric core annotates liquid tool includes: base, electric core carousel, prevent the support frame that inclines, the electric core carousel rotates to be located on the base, prevent that the support frame that inclines is fixed in on the base and be located one side of electric core carousel, prevent being equipped with the auxiliary runner on the support frame that inclines, the auxiliary runner support hold in the lateral wall of electric core carousel.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710481971.6A CN107422270B (en) | 2017-06-22 | 2017-06-22 | Code internal resistance testing mechanism is swept to electricity core and liquid automatic production equipment is annotated to electricity core |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710481971.6A CN107422270B (en) | 2017-06-22 | 2017-06-22 | Code internal resistance testing mechanism is swept to electricity core and liquid automatic production equipment is annotated to electricity core |
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| Publication Number | Publication Date |
|---|---|
| CN107422270A CN107422270A (en) | 2017-12-01 |
| CN107422270B true CN107422270B (en) | 2020-12-08 |
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