CN107863560B - Shell-entering device and shell-entering method - Google Patents
Shell-entering device and shell-entering method Download PDFInfo
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- CN107863560B CN107863560B CN201711075177.8A CN201711075177A CN107863560B CN 107863560 B CN107863560 B CN 107863560B CN 201711075177 A CN201711075177 A CN 201711075177A CN 107863560 B CN107863560 B CN 107863560B
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- shell
- clamping plate
- battery cell
- feeding
- movable clamping
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- 238000000034 method Methods 0.000 title claims abstract description 19
- 230000007246 mechanism Effects 0.000 claims abstract description 66
- 239000011162 core material Substances 0.000 claims description 93
- 238000003780 insertion Methods 0.000 claims description 5
- 230000037431 insertion Effects 0.000 claims description 5
- 239000011258 core-shell material Substances 0.000 claims 1
- 210000004027 cell Anatomy 0.000 description 92
- 230000000903 blocking effect Effects 0.000 description 5
- 229920002799 BoPET Polymers 0.000 description 4
- 239000005041 Mylar™ Substances 0.000 description 4
- 238000009499 grossing Methods 0.000 description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000005056 cell body Anatomy 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
-
- 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
- H01M10/04—Construction or manufacture in general
- H01M10/0404—Machines for assembling batteries
-
- 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
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
-
- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention relates to a shell feeding device and a shell feeding method, comprising a shell feeding mechanism, a shell opening clamping plate assembly and a battery cell feeding mechanism, wherein the shell feeding mechanism and the shell opening clamping plate assembly are arranged on a shell feeding side; the shell mouth clamping plate assembly comprises movable clamping plates which are arranged up and down symmetrically and can clamp the end face of the opening of the shell, the upper movable clamping plates and the lower movable clamping plates are connected to the power output end of the clamping plate driving device, and the clamping plate driving device drives the upper movable clamping plates and the lower movable clamping plates to move oppositely or back to back simultaneously. The invention has simple structure, convenient battery core change and improved compatibility of the device.
Description
Technical Field
The invention relates to a shell entering device and a shell entering method, and belongs to the technical field of automatic manufacturing equipment of lithium batteries.
Background
In the manufacturing process of the lithium battery, the battery core with the packaged Mylar film is required to be installed in the shell, the gap between the battery core and the shell is small, and the battery core is required to be ensured not to be scratched by the shell when the battery core is automatically installed in the shell. Because the specifications of the battery cells are different, the sizes of the battery cells are different, and the existing shell entering machine is designed only aiming at the specification of a certain battery cell, when the specification of the battery cell is changed, the shell entering machine cannot be used or is changed greatly, the compatibility is poor, even if the battery cell can be finely adjusted, the machine needs to be stopped and then readjusted, and the machine is very inconvenient.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides the shell-entering device which is simple in structure, convenient in battery core replacement, free of shutdown in adjustment and improved in compatibility.
The invention also provides a shell-entering method for completing the step-by-step shell entering of the battery cells, avoiding the deflection of the top cover of the battery cells and ensuring the shell-entering quality of the battery cells.
According to the technical scheme provided by the invention, the shell entering device is characterized in that: the battery cell feeding mechanism is arranged on the battery cell feeding side;
the shell mouth clamping plate assembly comprises movable clamping plates which are arranged up and down symmetrically and can clamp the end face of the opening of the shell, the upper movable clamping plates and the lower movable clamping plates are connected to the power output end of the clamping plate driving device, and the clamping plate driving device drives the upper movable clamping plates and the lower movable clamping plates to move oppositely or back to back simultaneously.
Further, a shell guide part, a bayonet step and a battery cell guide part are oppositely arranged on the upper movable clamping plate and the lower movable clamping plate along the feeding direction of the shell, the upper movable clamping plate and the lower movable clamping plate are matched with each other at the battery cell guide part to form a battery cell guide channel which contracts towards the feeding side of the shell, the shell guide part forms a shell guide channel which contracts towards the feeding side of the battery cell, and the joint of the battery cell guide part and the shell guide part forms the bayonet step.
Further, the shell opening clamping plate assembly further comprises a suction nozzle assembly, the suction nozzle assembly comprises a suction nozzle and a suction nozzle shaft for conducting gas for the suction nozzle, and the suction nozzle shaft is connected to the driving end of the suction nozzle driving device or connected to the shell opening clamping plate assembly on the same side to synchronously move along with the movable clamping plate.
Further, the power output end of the clamping plate driving device is connected with a screw rod, the directions of the upper section of screw thread and the lower section of screw thread of the screw rod are opposite, and two nuts are matched on the upper section of screw thread and the lower section of screw thread of the screw rod; the upper and lower movable clamping plates are respectively connected to the two nuts.
Further, electric core feed mechanism includes electric core carrier assembly and electric core feed mechanism, and electric core carrier assembly includes the vertical slip setting bear the backup pad, bears backup pad and bears the movable end fixed connection of drive arrangement in order to realize vertical slip.
Further, a battery cell positioning mechanism is arranged on the left side and the right side of the bearing support plate, the battery cell positioning mechanism comprises a positioning driving device, and a power output end of the positioning driving device is connected with a positioning push plate.
Further, a guide wheel is arranged between the battery cell positioning mechanism and the movable clamping plate along the feeding direction of the battery cells, and the guide wheels are respectively arranged at two sides to form a gradually-retracted guide space.
Further, the shell feeding mechanism comprises a feeding driving device and a shell supporting plate, wherein the shell supporting plate is fixedly connected to the moving end of the feeding driving device, and the feeding driving device drives the shell supporting plate to move relative to the shell opening clamping plate assembly.
Further, set up casing positioning mechanism in the casing backup pad, casing positioning mechanism includes location dog, location drive arrangement and location fender arm, and location dog sets up in the both sides portion of casing direction of feed, and location drive arrangement and location fender arm set up in the direction of feed of casing, and location fender arm sets up in being close to electric core material loading side, and location drive arrangement sets up in keeping away from electric core material loading side.
The shell entering method adopting the shell entering device is characterized by comprising the following steps of:
(1) The shell is fed to a shell feeding mechanism, and the shell is pushed to the shell opening clamping plate assembly by the shell feeding mechanism; the electric core feeding mechanism pushes the electric core to move towards the shell opening clamping plate assembly, the middle of the electric core and the middle of the shell opening clamping plate assembly are guaranteed to be centered in the process that the electric core is pushed towards the shell opening clamping plate assembly, and the electric core enters the shell along the shell opening clamping plate assembly;
(2) When the core body of the battery cell is partially pushed into the shell, the upper and lower movable clamping plates of the battery cell feeding mechanism and the shell opening clamping plate assembly avoid opening the top cover part of the battery cell, and the battery cell feeding mechanism continues to push the battery cell until the battery cell is pushed to a preset position to complete the battery cell shell insertion;
(3) Finally, the shell feeding mechanism withdraws the battery cell after the belt is moved into the shell.
The invention has the following beneficial effects:
(1) The movable shell opening clamping plate assembly is arranged in the invention, so that the shell opening can be blocked when the battery cell is put into the shell, thereby preventing the shell opening from scratching the surface of the battery cell, and the position of the battery cell can be regulated to improve the compatibility of the device; the shell opening clamping plate component integrates the final positioning of the battery core and the shell in the shell, so that the battery core is adjusted without stopping when being replaced, and the shell opening clamping plate component is very convenient;
(2) The shell mouth clamping plate assembly comprises two parts which are vertically and symmetrically arranged, and can be driven simultaneously, so that after the electric core is centered with the shell mouth clamping plate assembly, only one side of the movable clamping plate is required to be adjusted to a target position, and the other side of the movable clamping plate is also required to be adjusted to the target position, so that the adjustment is convenient, and when the electric core is replaced or initially positioned, only the centering between the middle part of the electric core and the middle part of the shell mouth clamping plate assembly is required to be adjusted;
(3) In the process of inserting the battery cell into the shell, the periphery of the battery cell is in rolling friction, and the damage to Mylar film around the battery cell is small
(4) The method for inserting the shell is completed in two steps, the core body part of the battery cell is pushed into the shell, then the battery cell bearing assembly and the shell opening clamping plate assembly are prevented from being opened by avoiding interference to the battery cell top cover, and the battery cell is pushed into a preset position, so that the battery cell top cover is prevented from being inclined, and the quality of inserting the battery cell into the shell is ensured.
Drawings
Fig. 1 is a top view of the shell-in device of the present invention.
Fig. 2 is a schematic diagram of the loading side of the large plate housing of the frame.
Fig. 3 is a schematic diagram of the loading side of the large-plate battery cell of the frame.
Fig. 4 is a front view of the housing feed mechanism.
Fig. 5 is a top view of the housing feed mechanism.
Fig. 6 is a schematic view of a portion of the shell opening card assembly.
Fig. 7 is a sectional view A-A of fig. 6.
Fig. 8 is a front view of the cell feeding mechanism.
Fig. 9 is a top view of the cell feeding mechanism.
Fig. 10 is a front view of the cell carrier assembly.
Fig. 11 is a top view of the cell carrier assembly.
Fig. 12 is a left side view of the cell carrier assembly.
Reference numerals illustrate: 1-frame large plate, 2-housing feed mechanism, 3-housing snap-in plate assembly, 4-upper smoothing mechanism, 5-core carrier assembly, 6-core feed mechanism, 11-hole, 21-support structure, 22-feed drive, 23-housing support plate, 24-housing positioning mechanism, 241-positioning stop, 242-positioning drive, 243-positioning stop arm, 31-movable snap-in plate, 311-core guide, 312-housing guide, 313-bayonet step, 32-first support plate, 33-second support plate, 34-suction nozzle shaft, 35-suction nozzle, 36-suction nozzle drive, 37-connection plate, 38-lead screw, 39-snap-in plate drive, 41-smoothing roller support plate, 42-smoothing roller, 43-smoothing drive, 51-carrier support plate, 52-roller, 53-core positioning mechanism, 54-carrier drive, 61-core feed drive, 62-third support plate, 63-first wedge plate, 64-second wedge plate, 65-sensor, 66-push plate.
Detailed Description
The invention will be further described with reference to the accompanying drawings.
In the following description of the embodiments, reference is made to the coordinates: taking the left-right direction in fig. 1 as left-right, the upward direction in fig. 1 as front, and the downward direction as back; in the following specific embodiments, the front-rear direction is the feeding direction of the battery cell and the housing.
As shown in fig. 1, the shell entering device comprises a large frame plate 1, wherein a hole 11 is formed in the large frame plate 1, a shell feeding mechanism 2 and a shell opening clamping plate assembly 3 are arranged on the shell feeding side of the large frame plate 1, and an upper leveling mechanism 4, a battery cell bearing assembly 5 and a battery cell feeding mechanism 6 are arranged on the battery cell feeding side of the large frame plate 1. On the feeding side of the shell, the shell is placed on the shell feeding mechanism 2 by the manipulator, the shell is conveyed to the shell opening clamping plate assembly 3 by the shell feeding mechanism 2, and the shell opening clamping plate assembly 3 clamps the end face of the opening of the shell, so that the feeding of the battery cell is facilitated; at electric core material loading side, the manipulator will electric core put on electric core bears subassembly 5, the positioning mechanism that is located electric core and bears subassembly 5 will be to electric core preliminary location, electric core feed mechanism 6 will electric core propelling movement to the hole 11 department of frame big board 1, at electric core feed mechanism 6 the process of pushing away electric core, install on frame big board 1 and lie in electric core upside and smooth mechanism 4 will smooth electric core upside cladding Mylar film, reduce electric core and go into the damage that shell in-process its surface (especially upper surface) probably receives.
As shown in fig. 4 and 5, the housing feeding mechanism 2 mainly includes a support structure 21, a feeding driving device 22, a housing support plate 23, and a housing positioning mechanism 24; the feeding driving device 22 is fixedly supported on the supporting structure 21, a shell supporting plate 23 is fixedly connected to the moving end of the feeding driving device 22, and a shell positioning mechanism 24 is arranged on the shell supporting plate 23; the housing positioning mechanism 24 mainly comprises a positioning stop 241, a positioning driving device 242 and a positioning stop arm 243, wherein the positioning stop 241 is arranged at the front and rear side parts of the housing in the feeding direction, and the position of the housing is limited from the front and rear sides of the housing in the feeding direction; the positioning driving device 242 and the positioning blocking arm 243 are arranged in the feeding direction of the shell, the positioning blocking arm 243 is arranged at a position close to one side of the large frame plate 1 for limiting the open side of the shell, the positioning driving device 242 is arranged at one side far away from the large frame plate 1 for pushing the shell to reach the positioning blocking arm 243 so as to limit the position of the shell in the feeding direction of the shell, the positioning blocking arm 243 is contacted with the end face of the shell in the middle of the shell opening so as to block the middle of the shell opening, and the thickness of the positioning blocking arm 243 in the feeding direction of the shell can limit the shell feeding position of the battery cell. After the shell is positioned, the feeding driving device 22 drives the shell to move towards the large frame plate 1, and when the shell moves to the shell opening clamping plate assembly 3, the shell opening clamping plate assembly 3 in place clamps the end face of the shell opening of the shell, so that the battery cell positioned on the battery cell feeding side can be pushed in conveniently.
As shown in fig. 2 and 6, the shell opening clamping plate assembly comprises a first shell opening clamping plate assembly and a second shell opening clamping plate assembly which are arranged on the upper side and the lower side of the hole 11 of the large frame plate 1, and only the first shell opening clamping plate assembly on the upper side is shown in fig. 6; the first shell opening clamping plate assembly and the second shell opening clamping plate assembly have the same structure, and the first shell opening clamping plate assembly is taken as an example for description; the first shell mouth clamping plate assembly comprises a movable clamping plate 31, a first supporting plate 32, a second supporting plate 33, a suction nozzle shaft 34, suction nozzles 35, suction nozzle driving devices 36 and a connecting plate 37, wherein the left side and the right side of the first supporting plate 32 are vertically arranged on the large frame plate 1 in a sliding mode through sliding rails/sliding blocks, the movable clamping plate 31 is detachably arranged on the lower side of the first supporting plate 32, the second supporting plate 33 is fixedly supported on the upper side of the first supporting plate 32, the suction nozzle driving devices 36 are fixedly arranged on the second supporting plate 33, the driving ends of the suction nozzle driving devices 36 penetrate through the second supporting plate 33 to be fixedly connected with the connecting plate 37 positioned on the upper side of the second supporting plate 33, suction nozzle shafts 34 are fixedly arranged on the left side and the right side of the connecting plate 37, the lower ends of the suction nozzle shafts 34 are matched with guide sleeves to sequentially slide through the second supporting plate 33, the first supporting plate 32 and the movable clamping plate 31, suction nozzles 35 are arranged at the bottom ends of the suction nozzle shafts 34, and the suction nozzle shafts 34 are hollow shafts, and gas can be conducted for the suction nozzles 35. The movable clamping plate 31 is connected to nuts on the lead screw 38, the directions of threads of the upper section and the lower section of the lead screw 38 are opposite, the upper section and the lower section of the lead screw 38 are matched with the two nuts, when the lead screw 38 rotates, the two nuts can move in opposite directions or in opposite directions, the two nuts are respectively connected with the movable clamping plates 31 of the first shell opening clamping plate assembly and the second shell opening clamping plate assembly, one end of the lead screw 38 is connected with the clamping plate driving device 39, and the clamping plate driving device 39 drives the lead screw 38 so as to drive the movable clamping plates 31 of the first shell opening clamping plate assembly and the second shell opening clamping plate assembly to move in opposite directions or in opposite directions; as shown in fig. 7, a battery core guiding portion 311, a housing guiding portion 312 and a bayonet step 313 are disposed on the lower side of the movable clamping plate 31 along the direction perpendicular to the large frame plate 1, the battery core guiding portion 311 and the housing guiding portion 312 are inclined planes inclined to the inner side of the movable clamping plate 31, the movable clamping plate 31 of the first housing opening clamping plate assembly and the movable clamping plate 31 of the second housing opening clamping plate assembly are matched with each other to form a battery core guiding channel with a section gradually reduced from a battery core feeding side to a housing feeding side at the battery core guiding portion 311, a housing guiding channel with a section gradually reduced from the housing feeding side to the battery core feeding side is formed at the housing guiding portion 312, a buckling step 313 is formed at the joint of the battery core guiding portion 311 and the housing guiding portion 312, when the housing is pushed to the housing opening clamping plate assembly 3, the housing can reach the bayonet step 313 along the housing guiding portion 312, and the height of the bayonet step 313 is greater than or equal to the thickness of the housing wall, so that the battery core coming from the opposite direction along the battery core guiding portion 311 can enter the housing without resistance. In another embodiment, the cell guiding portion 311 and the housing guiding portion 312 may also be formed by a section of inclined plane and a section of straight plane, so as to ensure that the cell guiding channel is tapered from the cell feeding side to the housing feeding side, and the housing guiding channel is tapered from the housing feeding side to the cell feeding side, so that the cell and the housing can be guided by the cell guiding channel and the housing guiding channel respectively.
As shown in fig. 8 and 9, the cell feeding mechanism 6 mainly includes a cell feeding driving device 61, a third supporting plate 62, a first wedge plate 63, a second wedge plate 64, a sensor 65 and a pushing plate 66; the moving end of the cell driving device 61 is fixedly connected with a third supporting plate 62, a first wedge-shaped plate 63 is installed on the third supporting plate 62, a second wedge-shaped plate 64 is installed on the first wedge-shaped plate 63, inclined surfaces of the first wedge-shaped plate 63 and the second wedge-shaped plate 64 are oppositely arranged, and the second wedge-shaped plate 64 is connected with a push plate 66 through a sensor 65. The height of the push plate 66 can be adjusted by adjusting the relative positions of the first wedge plate 63 and the second wedge plate 64 along the feeding direction of the battery cells, and the battery cells are pushed by the push plate 66 to perform feeding action.
As shown in fig. 10-12, the cell bearing assembly 5 mainly includes a bearing driving device 54, a bearing supporting plate 51 and a plurality of rollers 52 rotatably supported on the bearing supporting plate 51, when the manipulator loads, the cell is placed on the rollers 52, the bearing driving device 54 is fixed on the large frame plate 1, the moving end of the bearing driving device 54 is fixedly connected with the bearing supporting plate 51, the bearing supporting plate 51 is vertically and slidably arranged on the large frame plate 1, and when the model of the shell-in cell is changed, the centering degree of the cell on the bearing supporting plate 51 and the shell-opening clamping plate assembly 3 only needs to be adjusted through the bearing driving device 54. The left side and the right side of the bearing support plate 51 are also provided with a battery cell positioning mechanism 53, the battery cell positioning mechanism 53 comprises a positioning driving device, and the power output end of the positioning driving device is connected with a positioning push plate to roughly position the battery cell on the roller 52.
As shown in fig. 3, the upper leveling mechanism 4 includes a leveling roller support plate 41 vertically slidably disposed on the large frame plate 1, a plurality of leveling rollers 42 arranged along the feeding direction of the battery cells, and a leveling driving device 43, the leveling rollers 42 are supported to the lower side of the leveling roller support plate 41, and the power output end of the leveling driving device 43 is connected to the leveling roller support plate 41 to drive the leveling roller support plate 41 to move up and down.
In addition, in order to make the battery cell conveniently enter the battery cell guiding part 311 of the movable clamping plate 31, guiding wheels are arranged between the battery cell positioning mechanism 53 and the movable clamping plate 31 along the feeding direction of the battery cell, the guiding wheels are respectively arranged at two sides of the battery cell guiding channel and are supported on the large plate of the frame through guiding wheel brackets, and guiding wheels at two sides form a gradually-retracted guiding space.
In order to prevent that the casing especially the case mouth part has the circumstances such as subsides and causes the electric core to go into the electric core surface damage when the casing easily, before the electric core goes into between the casing this moment, need to reciprocate a little distance (for example 1 mm) respectively with first case mouth cardboard subassembly and second case mouth cardboard subassembly, give suction nozzle 35 outside the space of pulling the casing, suction nozzle drive arrangement 36 action drives suction nozzle 35 that holds the upper and lower surface of casing and pulls to the casing outside for the casing inner space is bigger, especially the case mouth part opens, thereby avoids the electric core surface damage's that causes the electric core to go into the casing because of the circumstances such as casing subsides the condition.
The working process of the shell entering device comprises the following steps: the casing is fed to the casing feeding mechanism 2 by the manipulator, and the casing feeding mechanism 2 pushes the casing to the casing port clamping plate assembly 3 after positioning, and the casing abuts against the bayonet step 313, and the bayonet steps 313 of the movable clamping plates 31 in the first casing port clamping plate assembly and the second casing port clamping plate assembly respectively cover the upper side end face, the lower side end face and the corners of the upper side end face and the lower side end face of the casing port. Meanwhile, the electric core is fed onto the electric core bearing assembly 5 by the mechanical arm, the electric core feeding mechanism 6 pushes the electric core bearing assembly 5 to move towards the shell opening clamping plate assembly 3 after being initially positioned by the electric core positioning mechanism 53, the guide wheels on two sides of the electric core guide channel are respectively arranged to gradually approach along the electric core feeding direction, the electric core is guided to the electric core guide part 311 of the shell opening clamping plate assembly 3, during the period, the leveling driving device 43 drives the leveling roller supporting plate 41 to move downwards to a leveling position, the leveling roller 42 levels Mylar films on the outer side of the electric core, and the electric core enters the shell along the electric core guide part 311.
In order to ensure the precision of the top cover of the battery cell in the prior art, a two-step shell-entering mode is adopted, wherein the two-step shell-entering mode is to push the battery cell body part into the shell first and then push the top cover positioned at the top end of the battery cell into the shell. The shell-in device is used for pushing the battery core body into the shell. In the process of inserting the battery cell into the shell, the guide space formed by the guide wheels arranged on the battery cell bearing assembly 5 along the feeding direction of the battery cell and the size of the battery cell guide channel on the movable clamping plate 31 are determined according to the size of the battery cell, and the size of the battery cell top cover is larger than the size of the battery cell, so that when the battery cell is partially pushed into the shell during the shell insertion, the guide space on the battery cell bearing assembly 5 and the battery cell bearing channel on the movable clamping plate 31 start to obstruct the shell insertion process, if the battery cell is forcibly inserted into the shell, the battery cell top cover is skewed, and the shell insertion quality is reduced. In the process of the invention, when part of the core body of the battery core enters the shell, the battery core bearing assembly 5 descends, the upper and lower movable clamping plates 31 of the shell opening clamping plate assembly 3 move away from each other to avoid opening the top cover part of the battery core, and the battery core feeding mechanism 6 continues to push the battery core until the battery core is pushed to a preset position, and the preset position is selected at a certain distance between the shell opening of the shell and the top cover of the battery core. After the battery cell is completely put into the shell, the shell feeding mechanism 2 pulls back the shell positioned on the shell supporting plate 23, so that the manipulator can conveniently carry the shell to the next process.
Claims (6)
1. A shell entering device, which is characterized in that: the shell feeding mechanism (2) and the shell opening clamping plate assembly (3) are arranged on the shell feeding side, and the battery cell feeding mechanism is arranged on the battery cell feeding side;
the shell opening clamping plate assembly (3) comprises movable clamping plates (31) which are arranged up and down symmetrically and can clamp the end face of the opening of the shell, the upper movable clamping plates (31) and the lower movable clamping plates (31) are connected to the power output end of the clamping plate driving device (39), and the clamping plate driving device (39) drives the upper movable clamping plates (31) and the lower movable clamping plates (31) to move in opposite directions or back to back at the same time;
the battery cell feeding mechanism comprises a battery cell bearing assembly (5), the battery cell bearing assembly (5) comprises a bearing support plate (51) which is vertically arranged in a sliding mode, and the bearing support plate (51) is fixedly connected with the moving end of a bearing driving device (54) so as to realize vertical sliding;
when the core body of the battery cell is partially pushed into the shell, the battery cell bearing assembly (5) descends, and the upper movable clamping plate and the lower movable clamping plate (31) of the shell opening clamping plate assembly (3) move away from each other so as to avoid opening the top cover part of the battery cell;
a shell guide part (312), a bayonet step (313) and a battery cell guide part (311) are oppositely arranged on the upper and lower movable clamping plates (31) along the feeding direction of the shell, the upper and lower movable clamping plates (31) are matched with the battery cell guide part (311) to form a battery cell guide channel which contracts towards the feeding side of the shell, the shell guide part (312) is provided with a shell guide channel which contracts towards the feeding side of the battery cell, and the joint of the battery cell guide part (311) and the shell guide part (312) is provided with the bayonet step (313);
the shell feeding mechanism (2) comprises a feeding driving device (22) and a shell supporting plate (23), the shell supporting plate (23) is fixedly connected to the moving end of the feeding driving device (22), and the feeding driving device (22) drives the shell supporting plate (23) to move relative to the shell opening clamping plate assembly (3);
set up casing positioning mechanism (24) on casing backup pad (23), casing positioning mechanism (24) are including location dog (241), location drive arrangement (242) and location fender arm (243), and location dog (241) set up in the both sides portion of casing direction of feed, and location drive arrangement (242) and location fender arm (243) set up in the direction of feed of casing, and location fender arm (243) set up in being close to electric core material loading side, and location drive arrangement (242) set up in keeping away from electric core material loading side.
2. The shell-entering device as claimed in claim 1, wherein: the shell mouth clamping plate assembly (3) further comprises a suction nozzle assembly, the suction nozzle assembly comprises a suction nozzle (35) and a suction nozzle shaft (34) for conducting gas for the suction nozzle (35), and the suction nozzle shaft (34) is connected to the driving end of a suction nozzle driving device (36) or connected to the shell mouth clamping plate assembly (3) on the same side to synchronously move along with the movable clamping plate (31).
3. The shell-entering device as claimed in claim 1, wherein: the power output end of the clamping plate driving device (39) is connected with a screw rod (38), the directions of the upper section and the lower section of threads of the screw rod (38) are opposite, and two nuts are matched on the upper section and the lower section of threads of the screw rod (38); the upper and lower movable clamping plates (31) are respectively connected to the two nuts.
4. A shell-entering apparatus as claimed in claim 3, wherein: and the left side and the right side of the bearing support plate (51) are provided with electric core positioning mechanisms (53), each electric core positioning mechanism (53) comprises a positioning driving device, and the power output end of each positioning driving device is connected with a positioning push plate.
5. The shell-entering device as defined in claim 4, wherein: guide wheels are arranged between the battery cell positioning mechanism (53) and the movable clamping plate (31) along the feeding direction of the battery cells, and the guide wheels are respectively arranged at two sides to form a gradually-retracted guide space.
6. A method of housing using the housing device of any one of claims 1-5, comprising the steps of:
the method comprises the steps of (1) feeding a shell to a shell feeding mechanism (2), and pushing the shell to a shell opening clamping plate assembly (3) by the shell feeding mechanism (2); the electric core feeding mechanism pushes the electric core to move towards the shell opening clamping plate assembly (3), and the electric core is guaranteed to be centered between the middle part of the electric core and the middle part of the shell opening clamping plate assembly (3) in the process of pushing the electric core towards the shell opening clamping plate assembly (3), and the electric core enters the shell along the shell opening clamping plate assembly (3);
(2) When the core body of the battery core is partially pushed into the shell, the upper and lower movable clamping plates (31) of the battery core feeding mechanism and the shell opening clamping plate assembly (3) avoid opening the top cover part of the battery core, and the battery core feeding mechanism continues to push the battery core until the battery core is pushed to a preset position to complete the battery core shell insertion;
(3) Finally, the shell feeding mechanism (2) withdraws the battery cell after being taken into the shell.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109244519B (en) * | 2018-09-05 | 2024-05-03 | 上海先惠自动化技术股份有限公司 | Shell frock structure is gone into to electric core |
| CN116779935B (en) * | 2023-08-16 | 2023-10-31 | 中天智能装备有限公司 | Battery cell shell-entering device and method |
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