CN112993424A - Square electricity core ization becomes partial volume and uses anchor clamps formula pressure device - Google Patents
Square electricity core ization becomes partial volume and uses anchor clamps formula pressure device Download PDFInfo
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- CN112993424A CN112993424A CN202110245592.3A CN202110245592A CN112993424A CN 112993424 A CN112993424 A CN 112993424A CN 202110245592 A CN202110245592 A CN 202110245592A CN 112993424 A CN112993424 A CN 112993424A
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- plate
- pressurizing
- pressure
- fixedly connected
- side plate
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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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
- H01M10/446—Initial charging measures
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/34—Sorting according to other particular properties
- B07C5/344—Sorting according to other particular properties according to electric or electromagnetic properties
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
-
- 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]
- G01R31/385—Arrangements for measuring battery or accumulator variables
- G01R31/3865—Arrangements for measuring battery or accumulator variables related to manufacture, e.g. testing after manufacture
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The invention provides a clamp type pressurizing device for forming square battery cores into partial volumes, which comprises clamp type trays, a pressurizing connecting mechanism and a plurality of trays, wherein the plurality of trays are movably connected to a supporting frame and are connected together to realize linkage; the pressurizing connecting mechanism is connected to one of the trays; the pressurizing device comprises a driving device and a fixed seat; the driving device is fixedly connected to the fixed seat; the output end of the driving device is detachably connected to the pressurizing connecting mechanism; and the pressure detection device is used for detecting the pressure applied to the tray. The tray is pressurized through the pressurizing device, the pressure applied by the pressurizing device can be timely adjusted by detecting the pressure applied by the tray through the pressure detecting device, so that the applied pretightening force is more uniform and stable, and the optimal pretightening force is achieved.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of electrical core formation and partial volume, in particular to a clamp type pressurizing device for square electrical core formation and partial volume.
[ background of the invention ]
The square battery cell shell is generally made of an aluminum shell, and the battery module is formed by connecting several to hundreds of battery cells in parallel and in series. To a certain extent, the performance of electric core has decided the performance of battery module and then has influenced whole power battery system's performance, consequently changing into partial volume, guaranteeing that electric core monomer and module are evenly dispelled the heat, guarantee that the uniformity of electric core is crucial, is concerned with battery system's life-span and safety.
When the capacity of the lithium battery is divided, large current needs to be conducted between the positive electrode and the negative electrode of each battery for charging and discharging, voltage signals and temperature signals of each battery need to be collected, the data such as the capacity and the internal resistance of the battery core are analyzed by charging and discharging the battery core, the quality grade of the battery core is determined, and the batteries with the same electric parameters are grouped to be selected for series-parallel application.
When formation partial volume, current technology is through the bandage with each group electric core fix on the tray, and square electric core formation partial volume adopts fixed tray in the existing market often, and in process of production, the lithium cell passes through the tray and moves between different equipment and station, removes in batches again and carries out formation partial volume in batches, guarantees its position unchangeable through bandage and the fixed lithium cell electric core of tray to in formation partial volume.
The current fixed electric core of bandage and fixed tray that adopts has following defect:
the utility model provides an in the charging and discharging process of formation partial volume, it is gaseous to be accompanied with the inside chemical reaction production of battery, leads to before the electric core, back both ends face bloated easily, takes place to warp, and the outward appearance inconsistency can influence life-span and the safety of battery system, and current square electric core formation partial volume equipment is owing to adopt the fixed electric core of bandage, and the bandage can't suitably pressurize electric core, can't restrict electric core and take place the bloated, can't keep electric core appearance unanimous.
Two, square electric core assembles the module bandage commonly used and ties up, because the overall dimension of each electric core differs, and the constraint pretightning force of bandage is inconsistent, and the pretightning force also can't be adjusted to the accuracy of bandage, can influence the inside electric core data uniformity of battery system.
[ summary of the invention ]
The invention aims to solve the technical problem of providing a clamp type pressurizing device for forming and capacity-dividing a square battery core, which can adjust a pressurizing mechanism to apply pretightening force in time, ensure that the battery core is uniformly pressurized, and ensure stable pressure and achieve the best pressure.
The invention is realized by the following steps: a clamp type pressure device for forming and grading square battery cell comprises
The clamp type tray comprises a support frame, a pressurizing connecting mechanism and a plurality of trays, wherein the trays are movably connected to the support frame and are connected together to realize linkage; the pressurizing connecting mechanism is connected to one of the trays;
the pressurizing device comprises a driving device and a fixed seat; the driving device is fixedly connected to the fixed seat; the output end of the driving device is detachably connected to the pressurizing connecting mechanism;
and the pressure detection device is used for detecting the pressure applied to the tray.
Further, the support frame comprises
A rear side plate;
the front side plate and the rear side plate are arranged in parallel;
the first guide shafts are arranged transversely in parallel and are fixedly connected to the rear side plate and the front side plate respectively;
and the bottom plate is fixedly connected to the bottom ends of the rear side plate and the front side plate.
Further, each of the trays includes
A pressurizing plate;
the L-shaped left supporting block is connected to the bottom plate in a sliding manner;
the L-shaped right supporting block is connected to the bottom plate in a sliding mode and is symmetrically arranged with the L-shaped left supporting block;
the heat dissipation plate is movably connected to the bottom plate, arranged in parallel and opposite to the pressurizing plate and fixedly connected to the L-shaped left supporting block and the L-shaped right supporting block; the L-shaped left supporting block and the L-shaped right supporting block are positioned between the pressurizing plate and the heat dissipation plate; the heat dissipation plate, the L-shaped left supporting block, the L-shaped right supporting block and the pressurizing plate are enclosed to form a battery cell accommodating cavity with an open top end;
wherein a plurality of the trays are arranged in parallel in a row along the first guide shaft;
the pressure plate of the tray at the forefront end is connected to the pressure connecting mechanism and is connected to the front side plate in a sliding mode, and the sliding direction of the pressure plate is parallel to the axis of the first guide shaft;
the rear end of the heat dissipation plate of the tray at the rearmost end is also fixedly connected with a bearing plate, the bearing plate is connected with the rear side plate in a sliding mode, and the sliding direction of the bearing plate is parallel to the axis of the first guide shaft;
the pressure plate is positioned between the pressure bearing plate and the pressure plate at the foremost end and is connected with the first guide shaft in a sliding way;
and the pressurizing plate of the next tray is fixedly connected with the heat dissipation plate of the previous tray.
Furthermore, the inner side surfaces of the heat dissipation plate, the L-shaped left supporting block, the L-shaped right supporting block and the pressurizing plate are respectively provided with an insulating sheet.
Further, also includes
A chain;
the chain pressing block is provided with a vertical bolt;
a chain fixing block;
the chain pressing block and the chain fixing block are fixedly connected to the pressure bearing plate and the pressure plate at the foremost end respectively, a vertical bolt of the chain pressing block is inserted into the chain, and the chain pressing block and the chain fixing block press the chain;
and each pressure plate is positioned between the pressure bearing plate and the foremost end and is fixedly connected with the chain pressing block, and the vertical bolt is inserted into the chain.
Further, also includes
The rear ends of the second guide shafts are fixedly connected to the front end face of the pressurizing plate, the front ends of the second guide shafts penetrate through the front end face of the front side plate, and the front ends of the second guide shafts are also convexly provided with first limiting plates;
and the third guide shaft is provided with a plurality of guide shafts, the front end of each guide shaft is fixedly connected with the rear end face of the bearing plate, the rear end of each guide shaft penetrates through the rear end face of the rear side plate, and the rear end of each guide shaft is also convexly provided with a second limiting plate.
Further, the pressure connecting mechanism comprises
A pressurizing screw rod;
the bearing is fixedly connected to the outer side face of the pressure plate at the foremost end, and the inner ring is fixedly connected to the rear end of the pressure screw rod;
the nut is in threaded connection with the pressurizing screw rod and fixedly arranged on the front side plate in a penetrating mode;
the front end of the pressurizing screw rod protrudes out of the front end face of the front side plate, and the axis of the pressurizing screw rod is parallel to the axis of the first guide shaft.
Further, also includes
The adjusting circular plate is provided with a plurality of threaded holes;
a plurality of bolts;
the pressure detection device is fixedly connected to the adjusting circular plate;
the front end face of the rear side plate is provided with an adjusting sink groove; two vertical strip-shaped grooves are formed in the bottom of the adjusting sink groove;
the bolt penetrates through the vertical strip-shaped groove and then is locked into the threaded hole, the adjusting circular plate is fixed on the rear side plate, the front end face of the adjusting circular plate protrudes out of the front end face of the rear side plate, and the adjusting circular plate and the pressurizing screw rod are coaxially arranged.
Further, the driving device comprises
A motor;
the speed reducer is fixedly connected to the fixed seat, and the input end of the speed reducer is fixedly connected with the output shaft of the motor;
the inner hexagonal sleeve is fixedly connected to the output end of the speed reducer;
at least two positioning pins are fixedly connected to the fixed seat, and the axis of each positioning pin is parallel to the axis of the inner hexagonal sleeve;
the front end face of the front side plate is also provided with positioning holes, the number of the positioning holes is equal to that of the positioning pins, the positioning holes and the positioning pins are in clearance fit, and the positioning pins are inserted into the positioning holes in a one-to-one correspondence manner;
the front end of the pressurizing screw rod is provided with an outer hexagonal part; the inner hexagonal sleeve is sleeved on the outer hexagonal part.
Furthermore, handles are symmetrically arranged on the left side and the right side of the fixed seat;
the fixed seat is also provided with a forward rotation button and a reverse rotation button;
and the fixed seat is also provided with a lifting ring.
The invention has the advantages that: a clamp type pressurizing device for forming and grading square battery cores comprises clamp type trays, wherein each clamp type tray comprises a support frame, a pressurizing connecting mechanism and a plurality of trays, the trays are movably connected to the support frames, and the trays are connected together to realize linkage; the pressurizing connecting mechanism is connected to one of the trays; the pressurizing device comprises a driving device and a fixed seat; the driving device is fixedly connected to the fixed seat; the output end of the driving device is detachably connected to the pressurizing connecting mechanism; and the pressure detection device is used for detecting the pressure applied to the tray. The tray is pressurized through the pressurizing device, the pressure applied by the pressurizing device can be timely adjusted by detecting the pressure applied by the tray through the pressure detecting device, so that the applied pretightening force is more uniform and constant, and the optimal pretightening force is achieved.
[ description of the drawings ]
The invention will be further described with reference to the following examples with reference to the accompanying drawings.
Fig. 1 is a first perspective view of a clamp-type pressure device for forming a square battery core into a component volume according to the present invention.
Fig. 2 is a second perspective view of the square electrical core formation component volume clamp type pressurizing device of the invention.
Fig. 3 is a front view of the square electrical core formation component capacity clamp type pressurizing device of the invention.
Fig. 4 is a sectional view a-a in fig. 3.
Fig. 5 is a sectional view B-B in fig. 3.
Fig. 6 is a cross-sectional view C-C of fig. 3.
Fig. 7 is a cross-sectional view taken along line D-D in fig. 3.
Fig. 8 is a cross-sectional view E-E of fig. 3.
Fig. 9 is a partially enlarged schematic view of F in fig. 3.
Fig. 10 is a partially enlarged schematic view of G in fig. 3.
Fig. 11 is an exploded view of a pressurizing device according to the present invention.
FIG. 12 is a first perspective view of the L-shaped left support block or the L-shaped right support block of the present invention.
FIG. 13 is a second perspective view of the L-shaped left support block or the L-shaped right support block of the present invention.
Fig. 14 is a schematic diagram of the position relationship among the L-shaped left support block, the cell, and the L-shaped right support block according to the present invention.
Fig. 15 is a first perspective view of the connection of the heat radiating plate and the pressing plate adjacent to each other in the front-rear direction according to the present invention.
Fig. 16 is a second perspective view of the connection of the heat radiating plate and the pressing plate adjacent to each other in the front-rear direction according to the present invention.
Description of reference numerals:
the device comprises a support frame 1, a rear side plate 11, an adjusting sinking groove 111, a vertical strip-shaped groove 112, a front side plate 12, a positioning hole 121, a first guide shaft 13, a bottom plate 14, a sliding groove 141, a heat dissipation hole 142, a second guide shaft 15, a third guide shaft 16, a first limiting plate 17 and a second limiting plate 18;
the pressurizing connecting mechanism 2, the pressurizing screw rod 21, the outer hexagonal part 211, the bearing 22 and the nut 23;
the tray 3, the pressurizing plate 31, the L-shaped left supporting block 32, the slider 321, the L-shaped right supporting block 33, the heat dissipation plate 34, the groove 341 and the roller 342;
the driving device 4, the motor 41, the speed reducer 42, the inner hexagonal sleeve 43 and the positioning pin 44;
the fixed seat 5, a handle 51, a forward rotation button 52, a reverse rotation button 53 and a hanging ring 54;
a pressure detection device 6, an adjustment circular plate 61, a threaded hole 611;
a pressure bearing plate 7;
an insulating sheet 8;
a chain 9;
a chain pressing block 10 and a vertical bolt 101;
a chain fixing block 20;
a first linear bearing 30;
a fixing lever 40;
a stopper rod 50;
a cell 60;
an insulating block 70;
conductive probes 80.
[ detailed description ] embodiments
In the description of the present invention, it is to be understood that the description indicating the orientation or positional relationship is based on the orientation or positional relationship shown in the drawings only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the scope of the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The general concept of the invention is as follows:
(1) the tray 3 is pressurized through the pressurizing device, the pressure applied to the tray 3 is detected through the pressure detecting device 6, and the pressure applied by the pressurizing device can be adjusted in time, so that the applied pretightening force is more uniform and constant, and the optimal pretightening force is achieved.
(2) Through the pressure plate 31 and the heating panel 34 of tray 3 compress tightly the front and back terminal surface of electric core 60, through the face-to-face contact, play hard spacing plastic effect, avoid electric core 60 to take place the tympanites in front and back terminal surface, face-to-face contact has increased the area of contact with electric core 60 simultaneously for electric core 60 pressurized is more even.
(3) The pressure bearing plate 7 is used for gathering the pressure received by the tray 3, and is in contact with the adjusting circular plate 61, so that the pressure detection device 6 can conveniently detect the pressure.
(4) The pressure plate 31 and the pressure bearing plate 7 at the foremost end are slidably connected to the front side plate 12 and the rear side plate 11, but are not slidably connected to the first guide shaft 13, which has two functions: firstly, the pressure plate 31 and the bearing plate 7 at the foremost end are stressed intensively and are easy to deform at the stress point, so that the pressure plate 31 or the bearing plate 3 is sunken towards the stress concentrated part, namely the outer edge is contracted inwards, and if the pressure plate is connected with the first guide shaft 13 in a sliding manner, the pressure plate is easy to deform, so that the sliding is easy to clamp; secondly, the guide shaft is connected to the front side plate 12 and the rear side plate 11 in a sliding manner, and the sliding guide shaft is: the second guide shaft 15 and the third guide shaft 16 respectively reinforce the strength of the pressure plate 31 and the pressure bearing plate 7, play a role of reinforcing ribs, increase the strength of stress concentration areas and reduce deformation.
Please refer to fig. 1 to 16.
Example (b):
the invention relates to a clamp type pressurizing device for forming square battery cores into partial volumes, which comprises
The clamp type tray comprises a support frame 1, a pressurizing connecting mechanism 2 and a plurality of trays 3, wherein the trays 3 are movably connected to the support frame 1, and the trays 3 are connected together to realize linkage; the pressurizing connecting mechanism 2 is connected to one of the trays 3;
the pressurizing device comprises a driving device 4 and a fixed seat 5; the driving device 4 is fixedly connected to the fixed seat 5; the output end of the driving device 4 is detachably connected to the pressurizing connecting mechanism 2;
and a pressure detection device 6 for detecting the pressure to which the tray 3 is subjected. In a specific embodiment, the pressure detection device 6 may employ a load cell.
The support frame 1 comprises
A rear side plate 11;
a front side plate 12 arranged in parallel with the rear side plate 11;
a plurality of first guide shafts 13 which are arranged in parallel in the transverse direction and are fixedly connected to the rear side plate 11 and the front side plate 12 respectively;
and the bottom plate 14 is fixedly connected to the bottom ends of the rear side plate 11 and the front side plate 12.
Each of the trays 3 comprises
A pressing plate 31;
an L-shaped left support block 32 slidably connected to the base plate 14; in a specific embodiment, as shown in fig. 2, the bottom plate 14 is provided with a sliding groove 141, the bottom of the L-shaped left supporting block 32 is provided with a sliding block 321, and the sliding block 321 is slidably connected to the forming groove 141, so that the L-shaped left supporting block 32 is slidably connected to the bottom plate 14. In an embodiment, the L-shaped left support block 32 and the L-shaped right support block 33 have the same structure, and are symmetrically disposed on the bottom plate 14 with respect to a center line of the bottom plate 14. In a specific embodiment, the bottom plate 14 is further provided with heat dissipation holes 142, so as to facilitate heat dissipation of the battery cell 60 during formation of the partial volume, and the heat dissipation holes 142 also play a role in reducing weight, and facilitating operation.
The L-shaped right supporting block 33 is connected to the bottom plate 14 in a sliding manner and is symmetrically arranged with the L-shaped left supporting block 32;
a heat dissipation plate 34 movably connected to the bottom plate 14, disposed in parallel and opposite to the pressure plate 31, and fixedly connected to the L-shaped left support block 32 and the L-shaped right support block 33; wherein the L-shaped left and right support blocks 32 and 33 are located between the pressurizing plate 31 and the heat dissipation plate 34; the heat dissipation plate 34, the L-shaped left support block 32, the L-shaped right support block 33 and the pressurizing plate 31 are enclosed to form a battery cell accommodating cavity with an open top end; in a specific embodiment, the rear end surface of the heat dissipation plate 34 is provided with a plurality of grooves 341 to increase the heat dissipation area. In a specific embodiment, as shown in fig. 4, rollers 342 are provided at the bottom end of the heat dissipation plate 34, and the rollers 342 roll on the base plate 14, so that the heat dissipation plate 34 rolls on the base plate 14.
Wherein a plurality of the trays 3 are arranged in parallel in a row along the first guide shaft 13;
the pressure plate 31 of the tray 3 at the forefront end is connected to the pressure connecting mechanism 2 and is connected to the front side plate 12 in a sliding manner, and the sliding direction is parallel to the axis of the first guide shaft 13; as shown in fig. 1, the four corners of the pressure plate 31 at the forefront are provided with holes for passing the first guide shaft 13 therethrough, and are provided so as to avoid the first guide shaft 13, and the two are not in contact with each other, and the sliding direction thereof is guided by the second guide shaft 15.
The rear end of the heat dissipation plate 34 of the tray 3 at the rearmost end is also fixedly connected with a bearing plate 7, the bearing plate 7 is connected with the rear side plate 11 in a sliding manner, and the sliding direction is parallel to the axis of the first guide shaft 13; as shown in fig. 1, four corners of the pressure receiving plate 7 are used for four holes through which the first guide shafts 13 are inserted, and are also used for avoiding the first guide shafts 13, and the two are in clearance fit without contact, and the pressure receiving plate 7 is slidably guided by the third guide shafts 16.
A pressing plate 31, which is positioned between the pressure bearing plate 7 and the foremost pressing plate 31, is slidably coupled to the first guide shaft 13; as shown in fig. 1, that is, holes at four corners of the other pressure plate 31 except the pressure plate 31 at the frontmost end are slidably connected to the first guide shaft 13, in a specific embodiment, first linear bearings 30 are disposed in the holes at four corners of the other pressure plate 31, and the first linear bearings 30 are nested on the first guide shaft 13, so as to realize the sliding connection.
Each of the trays 3 located between the frontmost end and the rearmost end, the pressure plate 31 of the next tray 3 is fixedly connected to the heat dissipation plate 34 of the previous tray 3, as shown in fig. 1, in a specific embodiment, the two are connected by a fixing rod 40, one end of the fixing rod 40 is provided with an annular groove, the pressure plate 31 is embedded into the annular groove, so that the disassembly is convenient, when the disassembly is performed, the heat dissipation plate 34 and the fixing rod 40 are directly pulled up, and the other end of the fixing rod 40 is fixedly connected to the heat dissipation plate 34.
As shown in fig. 6, in a specific embodiment, a limiting rod 50 is further disposed between the pressure plate 31 and the rear heat dissipation plate 34, and one end of the limiting rod 50 is fixed on the heat dissipation plate 34; the other end is abutted against the pressurizing plate 31, and the pressurizing plate 31 and the radiating plate 34 are not fixed, so that the limiting effect is realized, and a gap is ensured between the pressurizing plate 31 and the radiating plate for radiating.
The inner side surfaces of the heat dissipation plate 34, the L-shaped left support block 32, the L-shaped right support block 33 and the pressurizing plate 31 are respectively provided with an insulating sheet 8. That is, the heat-radiating plate 34, the L-shaped left support block 32, the L-shaped right support block 33, and the pressing plate 31 may be made of a conductive material at this time. Of course, in other embodiments, for example, all of the four components need not be made of non-conductive materials or conductive materials, but may be combined, for example, because the swelling of the cell mainly occurs on the front and back surfaces in the conventional cell formation, in order to limit the swelling of the cell on the front and back surfaces, the heat dissipation plate 34 and the pressure plate 31 may be made of metal plates, and both are provided with the insulation sheet 8; the L-shaped left support block 32 and the L-shaped right support block 33 can be made of non-metallic materials, and the two support blocks do not need to be provided with the insulating sheet 8. In specific implementation, the area of the insulation sheet 8 may be larger than the area of the cell contact surface, and may also be smaller than, preferably, the area of the insulation sheet 8 is larger than the area of the cell contact surface.
Also comprises
A chain 9; in a specific implementation, the chain 9 may be provided with a plurality of chains, for example, 4 chains, and is arranged in parallel with the first guide shaft 13, and two chains are arranged on the left and right sides, respectively. The chain 9 has two functions: first, the pressurizing plate 31 and the bearing plate 7 of each tray 3 are connected to realize a linkage action. Secondly, the distance between the pressurizing plate 31 and the heat dissipation plate 34 of the same pallet can be adjusted, so as to meet the use requirements of the battery cells 60 with different thicknesses, namely, the vertical pins 101 are inserted into different positions of the chain 9 to adjust the distance.
The chain pressing block 10 is provided with a vertical bolt 101 and is used for being inserted into the chain 9 to play a role in limiting and driving;
a chain fixing block 20; the two ends of the chain 9 are matched with the chain pressing blocks 10 to clamp and fix the chain 9.
The bearing plate 7 and the pressure plate 31 at the foremost end are fixedly connected with the chain pressing block 10 and the chain fixing block 20 respectively, wherein a vertical bolt 101 of the chain pressing block 10 is inserted into the chain 9, and the chain pressing block 10 and the chain fixing block 20 also press the chain 9;
every pressure plate 31 between the pressure bearing plate 7 and the foremost pressure plate 31 is also fixedly connected with the chain pressing block 10, and the vertical bolt 101 is inserted into the chain 9.
Also comprises
A plurality of second guide shafts 15, the rear ends of which are fixedly connected to the front end surface of the pressurizing plate 31, the front ends of which penetrate through the front end surface of the front side plate 12, and the front ends of which are also convexly provided with first limiting plates 17; in a specific embodiment, the first limiting plate 17 at the end of each second guiding shaft 15 may be split, that is, independent from each other, and in another embodiment, the first limiting plates 17 of the two second guiding shafts 15 may also be integrated, so that the synchronization may be improved, that is, the connection mode is adopted in the embodiment shown in the drawings. Of course, in other embodiments, there may be more first limit plates 17 of the second guide shafts 15 integrally connected. Similarly, the same applies to the second stopper plate 18.
The third guide shaft 16 is provided with a plurality of guide shafts, the front end of each guide shaft is fixedly connected to the rear end face of the bearing plate 7, the rear end of each guide shaft penetrates through the rear end face of the rear side plate 11, and the rear end of each guide shaft is further convexly provided with a second limiting plate 18. The pressure plate 31 and the pressure bearing plate 7 at the foremost end are slidably connected to the front side plate 12 and the rear side plate 11, but are not slidably connected to the first guide shaft 13, which has two functions: firstly, the pressure plate 31 and the bearing plate 7 at the foremost end are stressed intensively and are easy to deform at the stress point, so that the pressure plate 31 or the bearing plate 3 is sunken towards the stress concentrated part, namely the outer edge is contracted inwards, and if the pressure plate is connected with the first guide shaft 13 in a sliding manner, the pressure plate is easy to deform, so that the sliding is easy to clamp; secondly, the guide shaft is connected to the front side plate 12 and the rear side plate 11 in a sliding manner, and the sliding guide shaft is: the second guide shaft 15 and the third guide shaft 16 respectively reinforce the strength of the pressure plate 31 and the pressure bearing plate 7, play a role of reinforcing ribs, increase the strength of stress concentration areas and reduce deformation.
In a specific embodiment, a linear bearing is embedded outside the second guide shaft 15, and the linear bearing is fixed on the front side plate 12, and similarly, the third guide shaft 16 is also a linear bearing, and is slidably connected to the rear side plate 11.
As shown in FIG. 6, the pressure connecting mechanism 2 includes
A pressurizing screw 21;
a bearing 22 fixedly connected to an outer side surface of the pressure plate 31 at the foremost end, and an inner ring fixedly connected to a rear end of the pressure screw 21;
the nut 23 is in threaded connection with the pressurizing screw rod 21 and fixedly arranged on the front side plate 12 in a penetrating way;
wherein, the front end of the pressure screw 21 protrudes out of the front end surface of the front side plate 12, and the axis of the pressure screw 21 is parallel to the axis of the first guide shaft 13.
Through the matching of the pressurizing screw rod 21 and the nut 23, as the nut 23 is fixed, the pressurizing screw rod 21 linearly moves forwards or backwards along the nut 23 in the rotating process, so that when moving backwards, the pressurizing plate 31 at the foremost end is pushed to move, and the pressure is gradually increased on the pressurizing plate 31, namely the pre-tightening force applied on the battery cell 60 is gradually increased; when the cell is moved forward, the pressurizing plate 31 is pulled to move forward, and the pressure on the pressurizing plate 31 is gradually reduced, that is, the pretightening force applied to the cell 60 is gradually reduced until the cell 60 is reset and loosened.
As shown in fig. 7, further comprises
The adjusting circular plate 61 is provided with a plurality of threaded holes 611;
a plurality of bolts (not shown);
wherein, the pressure detection device 6 is fixedly connected with the adjusting circular plate 61;
the front end face of the rear side plate 11 is provided with an adjusting sink groove 111; the bottom of the adjusting sink groove 111 is provided with two vertical strip-shaped grooves 112;
the bolt (not shown) passes through the vertical strip-shaped groove 112 and then is locked into the threaded hole 611, so that the adjusting circular plate 61 is fixed on the rear side plate 11, the front end surface of the adjusting circular plate 61 protrudes out of the front end surface of the rear side plate 11, and the adjusting circular plate 61 and the pressurizing screw rod 21 are coaxially arranged.
Because errors exist in the manufacturing and assembling processes, the position of the adjusting circular plate 61 is adjusted to avoid the errors from influencing the coaxiality of the adjusting circular plate 61 and the pressurizing screw rod 21, and the adjusting circular plate 61 and the pressurizing screw rod 21 are ensured to be coaxial, so that the data detected by the pressure detecting device 6 is more accurate, and the pressure adjustment is more accurate.
In a specific embodiment, a square through hole may be formed in the rear side plate 11, an insulating block 70 is embedded in the square through hole, a plurality of mounting through holes are formed in the insulating block 70, and a conductive probe 80 is embedded in the mounting through hole, for example, a copper pillar may be used, one end of the conductive probe 80 is electrically connected to a cable or a probe of the pressure detection device 6, and the other end is connected to an external device, so that the pressure detection device 6 can be connected to a wire. The insulating block 70 serves to insulate the conductive probe 80 from the rear side plate 11.
The driving device 4 comprises
A motor 41;
the speed reducer 42 is fixedly connected to the fixed seat 5, and the input end of the speed reducer is fixedly connected with the output shaft of the motor 41;
the inner hexagonal sleeve 43 is fixedly connected to the output end of the speed reducer 42;
at least two positioning pins 44 are fixedly connected to the fixed seat 5, and the axis of each positioning pin is parallel to the axis of the inner hexagonal sleeve 43;
positioning holes 121 are further formed in the front end surface of the front side plate 12, the number of the positioning holes 121 is equal to that of the positioning pins 44, the positioning holes 121 and the positioning pins 44 are in clearance fit, and the positioning pins 44 are further inserted into the positioning holes 121 in a one-to-one correspondence manner; the positioning pin 44 and the positioning hole 121 are matched to have two functions, namely positioning; secondly, limiting is performed, so that when the motor 41 drives the speed reducer 42 to drive the inner hexagonal sleeve 43 to work, the motor 41 is prevented from rotating due to the reaction force, and therefore the motor 41 and the speed reducer 42 are limited through the positioning pin 44.
The front end of the pressurizing screw rod 21 is provided with an outer hexagonal part 211; the inner hexagonal sleeve 43 is sleeved on the outer hexagonal part 211, so that the inner hexagonal sleeve 43 drives the outer hexagonal part 211 to rotate, namely, the pressurizing screw rod 21 to rotate.
The pressurizing principle is as follows: the motor 41 works to drive the speed reducer 42 to work, further drive the inner hexagonal sleeve 43 to rotate, further drive the pressurizing screw rod 21 to rotate, drive the pressurizing screw rod 21 to linearly move along the nut 23, drive the pressurizing plate 31 at the most front end to move, drive all the pressurizing plates 31 and the bearing plates 7 to move through the chains 9, further compress the battery cell 60, during pressurizing, push the tray 3 and the bearing plates 7 to move towards the rear side plate 11, the bearing plates 7 gather pressure and are in contact with the adjusting circular plate 61, the pressure detection device 6 on the adjusting circular plate 61 detects the pressure on the tray 3, then the pressure is compared with the preset required pressure of the battery cell 60, if the pressure is insufficient, the pressurizing device is continuously pushed towards the rear side plate 11, if the pressure is too large, the motor is operated to reversely rotate, and is pulled towards the front side plate 12 until the pressure received by the tray is adjusted to the preset required pressure.
The fixed seat 5 is also provided with a forward rotation button 52 and a reverse rotation button 53 for controlling the motor to rotate forward or reversely so as to realize pressurization or decompression reset; in a specific implementation, the forward rotation button 52 and the reverse rotation button 53 can be respectively electrically connected with a controller of the motor; the electric motor can be in communication connection with the control device of the chemical synthesis equipment, the forward rotation button 52 or the reverse rotation button 53 is pressed, an electric signal is fed back to the control device, and the control device controls the forward rotation or the reverse rotation of the electric motor.
And a lifting ring 54 is further arranged on the fixed seat 5, so that the lifting and pressurizing device of the lifting appliance is convenient to lift and operate.
The use method comprises the following steps:
as a matching device of the formation equipment, the invention respectively connects the motor 41, the pressure detection device 6, the forward rotation button 52 and the reverse rotation button 53 with a control device of the formation equipment in a communication way, and the control device can adopt a PLC;
the formation equipment presses the battery cell 60 above the battery cell 60 and is in butt joint with the battery cell;
the pressure detection device 6 adopts a weighing sensor, and detection devices such as a pressure sensor and the like can be adopted in other embodiments;
it can be preset that the motor 41 is just applying pressure to the battery cell, and the reverse rotation is pressure relief or reset.
Inserting the battery cell 60 into the battery cell accommodating cavity, holding the handle 51 to push the pressurizing device and the clamp type tray for positioning, that is, inserting the positioning pin 44 into the positioning hole 121;
then, a forward rotation button 52 is pressed down, an electric signal is fed back to the control device, the control device controls the motor 41 to rotate forward, the inner hexagonal sleeve 43 and the pressurizing screw rod 21 are driven to work, the electric core is pressurized, after the pressure bearing plate 7 and the adjusting circular plate 61 are contacted in the pressurizing process, the pressure detection device 6 detects the pressure on the electric core 60 and feeds the pressure back to the control device, the control device sends data to a display screen of the formation equipment, the data are displayed on the display screen, an operator observes the applied pressure, adjusts the pressure applied by the pressurizing device from time to time, and adjusts the pressure to a preset required pressure;
carrying out the technological operations of charging and discharging of the component capacity and the like according to a preset mode;
after the operation is finished, the reverse button 53 is pressed, the control device controls the motor 41 to reversely rotate, the pressurizing screw rod 21 is driven to reset, the tray 3 and the bearing plate 7 are driven to reset, and the electric core 60 is loosened by the pressurizing plate 31;
and finally, taking out the battery cell 60.
Although specific embodiments of the invention have been described above, it will be understood by those skilled in the art that the specific embodiments described are illustrative only and are not limiting upon the scope of the invention, and that equivalent modifications and variations can be made by those skilled in the art without departing from the spirit of the invention, which is to be limited only by the appended claims.
Claims (10)
1. The utility model provides a square electricity core ization becomes partial volume and uses anchor clamps formula pressure device which characterized in that: comprises that
The clamp type tray comprises a support frame, a pressurizing connecting mechanism and a plurality of trays, wherein the trays are movably connected to the support frame and are connected together to realize linkage; the pressurizing connecting mechanism is connected to one of the trays;
the pressurizing device comprises a driving device and a fixed seat; the driving device is fixedly connected to the fixed seat; the output end of the driving device is detachably connected to the pressurizing connecting mechanism;
and the pressure detection device is used for detecting the pressure applied to the tray.
2. The clamp-type pressurizing device for the square electrical core formation component capacity of claim 1, wherein: the support frame comprises
A rear side plate;
the front side plate and the rear side plate are arranged in parallel;
the first guide shafts are arranged transversely in parallel and are fixedly connected to the rear side plate and the front side plate respectively;
and the bottom plate is fixedly connected to the bottom ends of the rear side plate and the front side plate.
3. The clamp-type pressurizing device for the square electrical core formation component capacity of claim 2, wherein: each tray comprises
A pressurizing plate;
the L-shaped left supporting block is connected to the bottom plate in a sliding manner;
the L-shaped right supporting block is connected to the bottom plate in a sliding mode and is symmetrically arranged with the L-shaped left supporting block;
the heat dissipation plate is movably connected to the bottom plate, arranged in parallel and opposite to the pressurizing plate and fixedly connected to the L-shaped left supporting block and the L-shaped right supporting block; the L-shaped left supporting block and the L-shaped right supporting block are positioned between the pressurizing plate and the heat dissipation plate; the heat dissipation plate, the L-shaped left supporting block, the L-shaped right supporting block and the pressurizing plate are enclosed to form a battery cell accommodating cavity with an open top end;
wherein a plurality of the trays are arranged in parallel in a row along the first guide shaft;
the pressure plate of the tray at the forefront end is connected to the pressure connecting mechanism and is connected to the front side plate in a sliding mode, and the sliding direction of the pressure plate is parallel to the axis of the first guide shaft;
the rear end of the heat dissipation plate of the tray at the rearmost end is also fixedly connected with a bearing plate, the bearing plate is connected with the rear side plate in a sliding mode, and the sliding direction of the bearing plate is parallel to the axis of the first guide shaft;
the pressure plate is positioned between the pressure bearing plate and the pressure plate at the foremost end and is connected with the first guide shaft in a sliding way;
and the pressurizing plate of the next tray is fixedly connected with the heat dissipation plate of the previous tray.
4. The clamp-type pressurizing device for the square electrical core formation component capacity of claim 3, wherein: and insulating sheets are respectively arranged on the inner side surfaces of the heat dissipation plate, the L-shaped left supporting block, the L-shaped right supporting block and the pressurizing plate.
5. The clamp-type pressurizing device for the square electrical core formation component capacity of claim 3, wherein: also comprises
A chain;
the chain pressing block is provided with a vertical bolt;
a chain fixing block;
the chain pressing block and the chain fixing block are fixedly connected to the pressure bearing plate and the pressure plate at the foremost end respectively, a vertical bolt of the chain pressing block is inserted into the chain, and the chain pressing block and the chain fixing block press the chain;
and each pressure plate is positioned between the pressure bearing plate and the foremost end and is fixedly connected with the chain pressing block, and the vertical bolt is inserted into the chain.
6. The clamp-type pressurizing device for the square electrical core formation component capacity of claim 3, wherein: also comprises
The rear ends of the second guide shafts are fixedly connected to the front end face of the pressurizing plate, the front ends of the second guide shafts penetrate through the front end face of the front side plate, and the front ends of the second guide shafts are also convexly provided with first limiting plates;
and the third guide shaft is provided with a plurality of guide shafts, the front end of each guide shaft is fixedly connected with the rear end face of the bearing plate, the rear end of each guide shaft penetrates through the rear end face of the rear side plate, and the rear end of each guide shaft is also convexly provided with a second limiting plate.
7. The clamp-type pressurizing device for the square electrical core formation component capacity of claim 3, wherein: the pressure connecting mechanism comprises
A pressurizing screw rod;
the bearing is fixedly connected to the outer side face of the pressure plate at the foremost end, and the inner ring is fixedly connected to the rear end of the pressure screw rod;
the nut is in threaded connection with the pressurizing screw rod and fixedly arranged on the front side plate in a penetrating mode;
the front end of the pressurizing screw rod protrudes out of the front end face of the front side plate, and the axis of the pressurizing screw rod is parallel to the axis of the first guide shaft.
8. The clamp-type pressurizing device for the square electrical core formation component capacity of claim 7, wherein: also comprises
The adjusting circular plate is provided with a plurality of threaded holes;
a plurality of bolts;
the pressure detection device is fixedly connected to the adjusting circular plate;
the front end face of the rear side plate is provided with an adjusting sink groove; two vertical strip-shaped grooves are formed in the bottom of the adjusting sink groove;
the bolt penetrates through the vertical strip-shaped groove and then is locked into the threaded hole, the adjusting circular plate is fixed on the rear side plate, the front end face of the adjusting circular plate protrudes out of the front end face of the rear side plate, and the adjusting circular plate and the pressurizing screw rod are coaxially arranged.
9. The clamp-type pressurizing device for the square electrical core formation component capacity of claim 7, wherein: the driving device comprises
A motor;
the speed reducer is fixedly connected to the fixed seat, and the input end of the speed reducer is fixedly connected with the output shaft of the motor;
the inner hexagonal sleeve is fixedly connected to the output end of the speed reducer;
at least two positioning pins are fixedly connected to the fixed seat, and the axis of each positioning pin is parallel to the axis of the inner hexagonal sleeve;
the front end face of the front side plate is also provided with positioning holes, the number of the positioning holes is equal to that of the positioning pins, the positioning holes and the positioning pins are in clearance fit, and the positioning pins are inserted into the positioning holes in a one-to-one correspondence manner;
the front end of the pressurizing screw rod is provided with an outer hexagonal part; the inner hexagonal sleeve is sleeved on the outer hexagonal part.
10. The square electrical core chemical composition volume clamp type pressurizing device of claim 9, wherein: handles are symmetrically arranged at the left side and the right side of the fixed seat;
the fixed seat is also provided with a forward rotation button and a reverse rotation button;
and the fixed seat is also provided with a lifting ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110245592.3A CN112993424A (en) | 2021-03-05 | 2021-03-05 | Square electricity core ization becomes partial volume and uses anchor clamps formula pressure device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110245592.3A CN112993424A (en) | 2021-03-05 | 2021-03-05 | Square electricity core ization becomes partial volume and uses anchor clamps formula pressure device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112993424A true CN112993424A (en) | 2021-06-18 |
Family
ID=76353081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110245592.3A Pending CN112993424A (en) | 2021-03-05 | 2021-03-05 | Square electricity core ization becomes partial volume and uses anchor clamps formula pressure device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112993424A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113471586A (en) * | 2021-07-22 | 2021-10-01 | 安徽中能电源有限公司 | Tray device for storage battery |
| CN113715390A (en) * | 2021-07-12 | 2021-11-30 | 广东嘉尚新能源科技有限公司 | Manufacturing device and manufacturing method for soft package lithium battery cell |
| CN117644310A (en) * | 2024-01-29 | 2024-03-05 | 宁德时代新能源科技股份有限公司 | Battery top cover welding method and system |
-
2021
- 2021-03-05 CN CN202110245592.3A patent/CN112993424A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113715390A (en) * | 2021-07-12 | 2021-11-30 | 广东嘉尚新能源科技有限公司 | Manufacturing device and manufacturing method for soft package lithium battery cell |
| CN113471586A (en) * | 2021-07-22 | 2021-10-01 | 安徽中能电源有限公司 | Tray device for storage battery |
| CN113471586B (en) * | 2021-07-22 | 2023-03-24 | 安徽中能电源有限公司 | Tray device for storage battery |
| CN117644310A (en) * | 2024-01-29 | 2024-03-05 | 宁德时代新能源科技股份有限公司 | Battery top cover welding method and system |
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