CN209843873U - Battery cell flattening device - Google Patents
Battery cell flattening device Download PDFInfo
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- CN209843873U CN209843873U CN201920995537.4U CN201920995537U CN209843873U CN 209843873 U CN209843873 U CN 209843873U CN 201920995537 U CN201920995537 U CN 201920995537U CN 209843873 U CN209843873 U CN 209843873U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- 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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Abstract
The utility model relates to a battery preparation technical field discloses a flat device is rubbed to electric core, include: the ultrasonic kneading and flattening mechanism is arranged on the electric core conveying path; set up the ultrasonic wave respectively at the both ends of electric core and rub flat mechanism in order to carry out the supersound to the both ends of electric core in step and rub flat, the ultrasonic wave is rubbed flat mechanism and is rubbed the crew cut including the supersound, and the supersound of electric core is rubbed the crew cut and is equipped with the recess, and the both ends correspondence of electric core inserts the both sides and rubs in the recess on the crew cut, and the tank bottom of recess is latticed convex surface structure. The utility model provides an electric core flattening device, a groove is arranged on an ultrasonic flattening flat head, the end part of an electric core can be limited, and the electric core material is prevented from turning outwards; the grid-shaped convex surface structure at the bottom of the groove can ensure that the cell materials on the end surface of the cell are uniformly distributed in the groove, so that the cell can be kneaded flatly better, and the kneading effect is improved; in addition, the battery cell material on the end face of the battery cell can be fixed and limited, so that the battery cell material can be better contacted with the ultrasonic kneading flat head to prevent outward turning and improve kneading flat efficiency.
Description
Technical Field
The utility model relates to a battery preparation technical field especially relates to a flat device is rubbed to electric core.
Background
With the development of new energy technology, the lithium battery industry develops rapidly in recent years. In order to obtain smaller internal resistance and better rate performance, the lithium ion battery starts to adopt an end face welding technology in a large range.
The end face welding technology is to leave a certain blank foil on the pole piece of the battery, and weld the pole lug and the battery cell together by laser welding after the pole lug and the battery cell are rubbed flat. After the flat kneading, the surface quality of the welding plane directly influences the welding effect and the yield.
In the prior art, the cell material is easy to turn outwards in the kneading and flattening process by a kneading and flattening mode, once the cell material turned outwards enters the shell, the edge cell turned outwards can be in short circuit with the shell of the battery, so that battery failure is caused, and the safety standard cannot be met.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model aims at providing an electric core rubs paper-back edition and puts for solving or partly solving the flat mode of rubbing among the prior art and rubbing the in-process and cause turning up of electric core material easily, in case electric core material after turning up goes into the shell after, its marginal electric core that turns up can with the casing short circuit of battery, arouses battery trouble, can't reach safety standard's problem.
(II) technical scheme
In order to solve the technical problem, the utility model provides an it is flat device that electric core is rubbed, include: the ultrasonic kneading and flattening mechanism is arranged on the electric core conveying path; set up respectively at the both ends of electric core ultrasonic wave is rubbed flat mechanism and is rubbed flat with the supersound in order to carry out in step to the both ends of electric core, ultrasonic wave is rubbed flat mechanism and is rubbed the flat head including the supersound, the supersound is rubbed the flat head and is equipped with the recess, the both ends of electric core correspond and insert the supersound of both sides and rub the recess on the flat head, the tank bottom of recess is latticed convex surface structure.
On the basis of the scheme, the cross-sectional area of the groove from the groove bottom to the groove opening is gradually increased, and the edge of the groove is provided with an arc wrap angle.
On the basis of the scheme, the method further comprises the following steps: the mechanical kneading and flattening mechanism is arranged on the electric core conveying path and behind the ultrasonic kneading and flattening mechanism; the two ends of the battery cell are respectively provided with the mechanical flattening mechanism to mechanically flatten the two ends of the battery cell synchronously, the mechanical flattening mechanism comprises a mechanical flattening head arranged opposite to the end face of the battery cell, and the mechanical flattening head is a ceramic flattening head.
On the basis of the scheme, dust collecting funnels are respectively arranged below the ultrasonic flat-kneading head and the mechanical flat-kneading head, and the large opening end of each dust collecting funnel faces the ultrasonic flat-kneading head or the mechanical flat-kneading head, and the small opening end of each dust collecting funnel is connected with the extraction mechanism through a pipeline.
On the basis of the scheme, the ultrasonic kneading and flattening mechanism is arranged on the first supporting frame; the first support frame is provided with a first sliding table arranged along the length direction of the battery cell, and the ultrasonic kneading and flattening mechanism is fixedly connected with a sliding block of the first sliding table; the mechanical kneading and flattening mechanism is arranged on the second support frame; and a second sliding table arranged along the length direction of the battery cell is arranged on the second support frame, and the mechanical kneading mechanism is fixedly connected with a sliding block of the second sliding table.
On the basis of the scheme, the bottoms of the two first support frames at the two ends of the battery cell are respectively connected with the same first base; the first base is provided with a first protruding block in a penetrating mode along the length direction, and the bottom of the first support frame is connected with the first base in a clamping mode at the first protruding block.
On the basis of the scheme, the bottoms of the two second support frames at the two ends of the battery cell are respectively connected with the same second base; and a second lug is arranged on the second base in a penetrating manner along the length direction, and the bottom of the second support frame is clamped and connected with the second base at the second lug.
On the basis of the scheme, centering pressing blocks are respectively arranged on the opposite sides of the two ultrasonic flattening mechanisms; and opposite sides of the two mechanical flattening mechanisms are also respectively provided with a centering pressing block.
On the basis of the scheme, a first clamping jaw is arranged between the two ultrasonic kneading flat mechanisms, a second clamping jaw is arranged between the two mechanical kneading flat mechanisms, and the first clamping jaw and the second clamping jaw are respectively connected with the vertical guide rail; and the outer surfaces of the first clamping jaw and the second clamping jaw are respectively provided with an encapsulating layer.
On the basis of the scheme, the ultrasonic kneading flat mechanism is fixedly connected with the sliding block of the first sliding table through the mounting plate, the mechanical kneading flat mechanism is also fixedly connected with the sliding block of the second sliding table through the mounting plate, and the dust collecting funnel is fixed through the mounting plate.
(III) advantageous effects
The utility model provides an electric core flattening device, the recess is arranged on the ultrasonic flattening flat head, the end part of the electric core can be arranged in the recess, the recess can limit the end part of the electric core, the electric core material is prevented from turning outwards, and the flattening effect is ensured; the grid-shaped convex surface structure at the bottom of the groove can ensure that the cell materials on the end surface of the cell are uniformly distributed in the groove and cannot be extruded together, so that the rubbing can be better performed, and the rubbing effect is improved; in addition, the battery cell material on the end surface of the battery cell can be fixed and limited, so that the battery cell material can be better contacted with the ultrasonic kneading flat head to prevent outward turning, and the kneading flat efficiency can be improved.
Drawings
Fig. 1 is a schematic front view of an ultrasonic flattening mechanism in an embodiment of the present invention;
fig. 2 is an overall schematic view of an ultrasonic flattening mechanism in an embodiment of the present invention;
FIG. 3 is a schematic view of an ultrasonic kneading upper groove of a flat head in an embodiment of the present invention;
FIG. 4 is a schematic cross-sectional view of an ultrasonic flat head upper groove in an embodiment of the present invention;
FIG. 5 is a schematic front view of the mechanical kneading mechanism in the embodiment of the present invention;
FIG. 6 is a schematic view of a mechanical tumbling head in an embodiment of the present invention;
fig. 7 is an overall schematic view of the mechanical flattening mechanism in the embodiment of the present invention.
Description of reference numerals:
1-ultrasonic kneading and flattening mechanism; 2-a first support frame; 3-a first slide table;
4-dust collecting funnel; 5-a first base; 6, centering and pressing a block;
7-vertical guide rail; 8, a mechanical kneading and flattening mechanism; 9-a second support;
10-a second slide table; 11-a second base; 12 — a first jaw;
13 — a second jaw; 14-a drawing mechanism; 15-a pillar;
101-ultrasonic kneading flat head; 102 — an ultrasonic generator; 103-a fixing frame;
104 — a first mounting plate; 105-a first connecting plate; 1011-groove;
801-mechanical flat head kneading; 802 — a drive mechanism; 803 — second mounting plate;
8011 — mounting base; 8012-seat; 8013-cone part.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
An embodiment of the utility model provides a flat device is rubbed to electric core, refer to fig. 1, this flat device is rubbed to electric core includes: and the ultrasonic flattening mechanism 1 is arranged on the cell conveying path. And ultrasonic kneading and flattening mechanisms 1 are respectively arranged at the two ends of the battery cell so as to perform ultrasonic kneading and flattening on the two ends of the battery cell synchronously. The ultrasonic flattening mechanism 1 includes an ultrasonic flattening head 101. The ultrasonic flat head 101 is provided with a groove 1011. The two ends of the battery core are correspondingly inserted into the grooves 1011 on the ultrasonic flat heads 101 at the two sides. Referring to fig. 3, the groove bottom of the groove 1011 is a grid-shaped convex structure.
And a kneading and flattening station is arranged on the conveying path of the battery cell. When the electric core is carried to ultrasonic wave and is rubbed flat mechanism 1, ultrasonic wave is rubbed flat mechanism 1 and is rubbed flat head 101 through the supersound and vibrate simultaneously and rub flat to two terminal surfaces of electric core, can realize the effect of flattening, improves the degree of compactness of electric core terminal surface, makes preparation for follow-up technology.
A groove 1011 is formed in the ultrasonic kneading flat head 101, and the end of the battery cell can be placed in the groove 1011 to be vibrated and kneaded flat. Recess 1011 can carry on spacingly to the tip of electric core, prescribe a limit to it in recess 1011, can prevent turning up of electric core material, and guarantee to rub flat effect, improve production efficiency.
Further, the groove bottom of the groove 1011 is a grid convex structure, that is, a plurality of small grooves are uniformly arranged on the groove bottom, and the small grooves form a grid shape, so that grid-shaped groove holes are formed on the groove bottom. The grid-shaped convex structures are arranged to form uniformly distributed groove holes in the groove bottom of the groove 1011, and in the kneading and flattening process, the battery cell materials on the end face of the battery cell can be inserted into the groove holes in the groove bottom. Because the groove holes on the grid are uniformly distributed on the bottom of the groove 1011, the material on the end surface of the battery core can be uniformly inserted into the groove holes on the grid, so that the material on the end surface of the battery core is uniformly distributed on the bottom of the groove 1011.
The grid-shaped convex surface structure can enable the cell materials on the end face of the cell to be uniformly distributed in the groove 1011 and not to be extruded together, so that the cell can be rubbed flatly better, and the rubbing effect is improved; the second can fix spacing to the electric core material of electric core terminal surface, makes its better rub flat head 101 contact with the supersound to improve and rub flat efficiency.
On the basis of the above embodiment, further, referring to fig. 4, the cross-sectional area of the groove 1011 from the groove bottom to the notch is gradually increased, and the groove 1011 is provided with a circular arc wrap angle at the edge. That is, the groove 1011 is of a gradually expanding shape from the groove bottom to the notch, so that when the ultrasonic flat-head 101 extrudes the battery core, the materials at the two ends of the battery core can be extruded inwards along the groove wall of the groove 1011, thereby avoiding the battery core materials from turning outwards. The degree of the gradual expansion and the depth of the groove 1011 are determined according to the diameter of the cell and the final length to be achieved, and it is ensured that the diaphragm of the cell is not damaged during extrusion. In addition, the arc wrap angle also has a guiding effect, and is beneficial to the opposite attachment of the ultrasonic flat head 101 and the battery core.
On the basis of the above embodiment, further, referring to fig. 5, the cell flattening apparatus further includes: and the mechanical kneading and flattening mechanism 8 is arranged on the cell conveying path and is positioned behind the ultrasonic kneading and flattening mechanism 1. And mechanical kneading and flattening mechanisms 8 are respectively arranged at the two ends of the battery cell so as to mechanically knead and flatten the two ends of the battery cell synchronously. The mechanical flattening mechanism 8 comprises a mechanical flattening head 801 arranged opposite to the end face of the battery core. The mechanical flat-kneading head 801 is a ceramic flat-kneading head.
The effect of thick flattening is realized to electric core under the effect of ultrasonic wave rubbing flat mechanism 1. The battery core after rough leveling is continuously conveyed to a mechanical leveling mechanism 8, the machine is used for rolling flat heads 801 to rotatably extrude and roll the battery core, the battery core materials which are turned outwards are extruded to the inner side, the compactness of the end face is improved, the fine leveling effect is realized, and preparation is made for subsequent shell entering and tab welding.
The mechanical flat-kneading head 801 is also used for synchronously kneading and flattening the two ends of the battery core. The mechanical penetrating head is flattened by a mechanical rotary extrusion mode. Through rubbing flat mechanism 1 and mechanical rubbing flat mechanism 8 with the ultrasonic wave and carrying out dual flat processing of rubbing to electric core terminal surface, solved and only utilized the ultrasonic wave to rub flat not smooth enough defect of rubbing the flat terminal surface that leads to flat, guaranteed that electric core material does not produce and turns up to improve the roughness and the degree of compactness of terminal surface.
Further, the mechanical kneading flat head 801 which is contacted with the end face of the battery cell for extruding and kneading flat is processed by a hard ceramic material, so that the hardness of extruding and kneading flat can be ensured, and the mechanical kneading flat head has insulation property and improves the safety.
On the basis of the above embodiment, further referring to fig. 1 and 5, a dust collection funnel 4 is respectively arranged below the ultrasonic flat-kneading head 101 and the mechanical flat-kneading head 801, and the large-mouth end of the dust collection funnel 4 faces the ultrasonic flat-kneading head 101 or the mechanical flat-kneading head 801, and the small-mouth end is connected with the extraction mechanism 14 through a pipeline. The dust collecting funnel 4 is used for collecting dust and other sundries crushed in the kneading and flattening process, and ensures a clean and pollution-free station environment. The extraction mechanism 14 may be a vacuum pump or an induced draft fan, and is not limited in particular.
On the basis of the above embodiment, further, referring to fig. 2, the ultrasonic flattening mechanism 1 is provided on the first support frame 2; first support frame 2 is last to be equipped with along the first slip table 3 that electric core length direction arranged, and the ultrasonic wave is rubbed flat-bed machine and is constructed 1 and first slip table 3's slider fixed connection.
Two ultrasonic wave of electricity core both ends rub flat mechanism 1 and set up respectively on a first support frame 2, and pass through first slip table 3 respectively and move back and forth along the length direction of electricity core. The direction of the first sliding table 3 is the direction towards the end face of the cell. The ultrasonic flattening mechanism 1 can move towards the end face of the battery cell or move away from the end face of the battery cell along the first sliding table 3.
In the using process, when the battery cell needs to be flattened, the two ultrasonic flattening mechanisms 1 slide relatively and approach each other, so that the two ultrasonic flattening heads 101 are respectively contacted with the two end faces of the battery cell; after contacting, the ultrasonic flattening mechanism 1 generates sound wave vibration and flattens two ends of the battery cell through the ultrasonic flattening flat head 101; after the kneading is finished, the ultrasonic kneading mechanism 1 slides back to back towards the two ends of the electric core to reset, so that other electric cores to be kneaded are convenient to replace.
Set up the slip table structure and can drive two ultrasonic waves and rub flat-bed machine and construct 1 preceding back symmetric motion, the slip table can the accurate displacement of rubbing flat-bed machine and construct 1 with the ultrasonic wave of first slider of control, guarantees along linear motion, and the location is accurate, and coefficient of friction is little, and it is smooth and easy to slide, can not produce the displacement dislocation. The ultrasonic flattening mechanism 1 can be stably driven to flatten.
Referring to fig. 7, the mechanical kneading flat mechanism 8 is provided on the second support frame 9; and a second sliding table 10 arranged along the length direction of the battery cell is arranged on the second support frame 9, and the mechanical kneading and flattening mechanism 8 is fixedly connected with a sliding block of the second sliding table 10.
Two mechanical kneading mechanisms 8 at two ends of the battery cell are respectively arranged on a second support frame 9 and respectively move back and forth along the length direction of the battery cell through a second sliding table 10. The direction of the second sliding table 10 is the direction toward the end face of the cell. The mechanical flattening mechanism 8 can move toward the end face of the cell or away from the end face of the cell along the second slide table 10.
In the using process, when the battery cell needs to be flattened, the two mechanical flattening mechanisms 8 slide relatively and approach each other, so that the two mechanical flattening heads 801 are respectively contacted with the two end faces of the battery cell; after contact, the mechanical flat kneading 801 kneads the two ends of the battery cell flatly through rotary extrusion; after the kneading is finished, the mechanical kneading mechanism 8 slides back to back towards the two ends of the electric core to reset, so that other electric cores to be kneaded are convenient to replace.
Set up the slip table structure and can drive two machinery and rub flat-bed machine and construct 8 back and forth symmetric motions, the slip table can accurate control second slider and machinery rub the displacement of flat-bed machine structure 8, guarantees along linear motion, and the location is accurate, and coefficient of friction is little, and it is smooth and easy to slide, can not produce the displacement dislocation. The mechanical kneading and flattening mechanism 8 can be stably driven to rotate and knead and flatten.
On the basis of the above embodiment, further, the bottoms of the two first support frames 2 at the two ends of the battery cell are respectively connected with the same first base 5; the first base 5 is provided with a first bump along the length direction in a penetrating manner, and the bottom of the first support frame 2 is connected with the first base 5 at the first bump in a clamping manner.
The first support frames 2 at the two ends are simultaneously connected through the first base 5, so that the two first support frames 2 can be conveniently centered along a straight line, the centering and rubbing consistency of the two ends is favorably ensured, and the rapid installation and debugging accuracy of the whole device are favorably realized. Furthermore, the bottom of the first support frame 2 can be provided with a groove matched with the first bump, and the first support frame is connected with the groove through the clamping of the bump, so that the device is more favorable for quick, simple and convenient installation and accurate positioning and centering. The bottom of the first support frame 2 can be fixedly connected with the first base 5 through bolts at positions except the convex blocks.
On the basis of the above embodiment, further, the bottoms of the two second support frames 9 at the two ends of the battery cell are respectively connected with the same second base 11. A second protruding block penetrates through the second base 11 along the length direction, and the bottom of the second supporting frame 9 is connected with the second base 11 at the second protruding block in a clamping manner.
Through the second support frame 9 of second base 11 connection both ends simultaneously, two second support frames 9 of can being convenient for set up along a sharp centering, are favorable to guaranteeing both ends centering and rub even uniformity to and be favorable to the installation of whole device swift and the accuracy of debugging. Further, the bottom of the second support frame 9 can be provided with a groove matched with the second bump, and the bottom of the second support frame is connected with the groove through the clamping of the bump, so that the device is more favorable for quick, simple and convenient installation and accurate positioning and centering. The bottom of the second supporting frame 9 can be fixedly connected with the second base 11 through bolts at positions except the convex blocks.
On the basis of the above embodiment, further, referring to fig. 1, the opposite sides of the two ultrasonic flattening mechanisms 1 are respectively provided with centering pressing blocks 6; opposite sides of the two mechanical flattening mechanisms 8 are also respectively provided with centering pressing blocks 6. The centering pressing block 6 is a member which is provided on the opposite sides of the two ultrasonic kneading mechanisms 1 and the opposite sides of the two mechanical kneading mechanisms 8 and can compare the positions of the two side members. And the centering pressing blocks 6 are arranged on the opposite sides, so that the distance between the two ultrasonic flattening mechanisms 1 and the two mechanical flattening mechanisms 8 is short, and comparison is convenient.
A centering pressing block 6 can be arranged right below the ultrasonic kneading flat head 101. When the two ultrasonic flattening mechanisms 1 are installed, whether the positions of the two ultrasonic flattening mechanisms 1 correspond or not can be judged through the positions of the two centering pressing blocks 6, so that centering setting is ensured.
Similarly, a centering press block 6 may be provided directly below the mechanical kneading block 801. When the two mechanical flattening mechanisms 8 are installed, whether the positions of the two mechanical flattening mechanisms 8 correspond or not can be judged through the positions of the two centering pressing blocks 6, so that centering arrangement is ensured.
On the basis of the above embodiment, further, a first clamping jaw 12 is arranged between the two ultrasonic flattening mechanisms 1, a second clamping jaw 13 is arranged between the two mechanical flattening mechanisms 8, and the first clamping jaw 12 and the second clamping jaw 13 are respectively connected with the vertical guide rail 7; the outer surfaces of the first clamping jaw 12 and the second clamping jaw 13 are provided with an encapsulating layer.
First clamping jaw 12 and second clamping jaw 13 can follow vertical guide 7 and go up and down, are convenient for reciprocate snatch the electric core and carry out nimble adjustment to the position of electric core. The first jaw 12 and the second jaw 13 may be connected to a cylinder, by means of which the clamping or release of the jaws is controlled. Further, the first jaw 12 and the second jaw 13 are generally made of metal to maintain the hardness of the clamping. Set up the rubber coating layer through the outside at first clamping jaw 12 and second clamping jaw 13, can improve frictional force, guarantee the difficult cluster position of skidding of centre gripping electricity core in-process. The encapsulation layer is that the surface of the first clamping jaw 12 and the surface of the second clamping jaw 13 are encapsulated by the second silicone injection molding.
In addition to the above embodiment, further, the ultrasonic smoothing mechanism 1 is fixedly connected to the slider of the first sliding table 3 through a mounting plate, the mechanical smoothing mechanism 8 is also fixedly connected to the slider of the second sliding table 10 through a mounting plate, and the dust collection funnel 4 is fixed through the mounting plate.
Specifically, referring to fig. 1 and 2, the ultrasonic kneading and flattening mechanism 1 further includes an ultrasonic generator 102 and a fixing frame 103. The ultrasonic generator 102 is used for generating sound wave vibration, and is connected with the ultrasonic kneading head 101 to transmit the sound wave vibration to the ultrasonic kneading head 101. The mount 103 is used to mount the ultrasonic generator 102. The ultrasonic flat head 101 may be processed by a hard material processing process. The inside chamfer of flat head 101 is rubbed to supersound, and the internal planes are even net convex surface, can carry out the range upon range of extrusion of regularization spiral with electric core.
The slider of the first sliding table 3 can be fixedly connected with the first mounting plate 104, and the fixing frame 103 is arranged on the first mounting plate 104, so that the groove 1011 on the ultrasonic flat head 101 is opposite to the end surface of the battery cell. The first mounting plate 104 may be connected to a first connecting plate 105, and the dust collection funnel 4 in the ultrasonic flattening mechanism 1 may be fixed by the first connecting plate 105. The dust collection funnel 4 may be fixed by the first base 5, but is not limited thereto.
Referring to fig. 5 and 7, the mechanical kneading mechanism 8 further includes a drive mechanism 802. Referring to fig. 6, mechanical tumbling head 801 may specifically include mounting seat 8011 and a spinning head; the spinning head comprises a roller part and a conical part 8013, wherein the conical part 8013 is conical and one end with a larger section is fixedly connected with one side of the roller part. A plurality of spinning heads are arranged on one side surface of the mounting seat 8011 at even intervals along the circumferential direction, and the tips of the tapered parts 8013 of the plurality of spinning heads face the center of the mounting seat 8011. The roller part of the spinning head is clamped with the clamping seat 8012 for rotation connection, and the clamping seat 8012 is fixedly connected with the mounting seat 8011. The driving mechanism 802 is connected to the other side of the mounting seat 8011, and is configured to drive the mounting seat 8011 to rotate.
In the kneading and flattening process of the mechanical kneading and flattening mechanism 8, the driving mechanism 802 drives the mounting seat 8011 to drive the spinning heads to rotate, and meanwhile, the roller part of each spinning head drives the conical part 8013 to rotate. The second sliding table 10 drives the mechanical kneading mechanism 8 to move so as to extrude the end of the battery core. The mechanical flat head kneading 801 can regularly rotate, stack, extrude and shape the battery cell from the edge of the battery cell to the inside of the battery cell, and tighten and level the battery cell.
The slide block of the second sliding table 10 can be fixedly connected with the second mounting plate 803, and the driving mechanism 802 of the mechanical kneading and leveling mechanism 8 is arranged on the second mounting plate 803. The second mounting plate 803 may be connected to a second connecting plate by which the dust collecting funnel 4 in the mechanical kneading and leveling mechanism 8 may be fixed.
The dust collection funnel 4 moves integrally with the ultrasonic flattening mechanism 1 and the mechanical flattening mechanism 8 via a mounting plate. The dust collecting funnel 4 can be arranged below the ultrasonic flatting head 101 and the mechanical flatting head 801, so that the dust collecting funnel 4 is always positioned below the ultrasonic flatting head 101 and the mechanical flatting head 801 in the moving process of the ultrasonic flatting mechanism 1 and the mechanical flatting mechanism 8, the position of the dust collecting funnel 4 does not need to be adjusted additionally, and dust and other impurities can be collected smoothly.
Further, the first jaw 12 and the second jaw 13 may be fixed by a mounting plate, respectively. A pillar 15 may be additionally provided to fix the first jaw 12 and the second jaw 13, which is not limited in particular.
It should be noted that, according to the production needs, the multiple ultrasonic flattening mechanisms 1 and the mechanical flattening mechanism 8 may be continuously arranged in the conveying direction of the battery cells, so as to perform flattening treatment on multiple battery cells simultaneously, or perform repeated flattening treatment on the battery cells for multiple times, thereby improving the production efficiency and improving the final flattening effect.
Further, a plurality of ultrasonic flattening mechanisms 1 arranged in series can be simultaneously fixed on one first mounting plate 104, and driven to move by one first sliding table 3; the number of the first support frame 2 and the first sliding table 3 can be reduced, so that the whole structure is simplified, and the operation is easy.
Similarly, a plurality of mechanical flattening mechanisms 8 arranged in series may be simultaneously fixed to one second mounting plate 803, and driven to move by one second slide table 10.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A battery cell flattening device comprises: the ultrasonic kneading and flattening mechanism is arranged on the electric core conveying path; the ultrasonic flattening machine is characterized in that the two ends of the battery cell are respectively provided with the ultrasonic flattening mechanisms to synchronously carry out ultrasonic flattening on the two ends of the battery cell, each ultrasonic flattening mechanism comprises an ultrasonic flattening head, each ultrasonic flattening head is provided with a groove, the two ends of the battery cell are correspondingly inserted into the grooves on the ultrasonic flattening heads on the two sides, and the groove bottom of each groove is of a grid-shaped convex surface structure.
2. The cell flattening device of claim 1, wherein the cross-sectional area of the groove gradually increases from the bottom of the groove to the opening of the groove, and the groove is provided with a rounded corner at the edge.
3. The cell flattening device of claim 1, further comprising: the mechanical kneading and flattening mechanism is arranged on the electric core conveying path and behind the ultrasonic kneading and flattening mechanism; the two ends of the battery cell are respectively provided with the mechanical flattening mechanism to mechanically flatten the two ends of the battery cell synchronously, the mechanical flattening mechanism comprises a mechanical flattening head arranged opposite to the end face of the battery cell, and the mechanical flattening head is a ceramic flattening head.
4. The cell flattening device according to claim 3, wherein a dust collection funnel is respectively arranged below the ultrasonic flattening head and the mechanical flattening head, and a large-mouth end of the dust collection funnel faces the ultrasonic flattening head or the mechanical flattening head, and a small-mouth end of the dust collection funnel is connected with the extraction mechanism through a pipeline.
5. The cell flattening device of claim 4, wherein the ultrasonic flattening mechanism is arranged on the first support frame; the first support frame is provided with a first sliding table arranged along the length direction of the battery cell, and the ultrasonic kneading and flattening mechanism is fixedly connected with a sliding block of the first sliding table;
the mechanical kneading and flattening mechanism is arranged on the second support frame; and a second sliding table arranged along the length direction of the battery cell is arranged on the second support frame, and the mechanical kneading mechanism is fixedly connected with a sliding block of the second sliding table.
6. The cell flattening device of claim 5, wherein bottoms of two first support frames at two ends of the cell are respectively connected to the same first base; the first base is provided with a first protruding block in a penetrating mode along the length direction, and the bottom of the first support frame is connected with the first base in a clamping mode at the first protruding block.
7. The cell flattening device of claim 5, wherein bottoms of two second support frames at two ends of the cell are respectively connected to the same second base; and a second lug is arranged on the second base in a penetrating manner along the length direction, and the bottom of the second support frame is clamped and connected with the second base at the second lug.
8. The cell flattening device according to any one of claims 3 to 7, wherein centering pressing blocks are respectively arranged on opposite sides of the two ultrasonic flattening mechanisms; and opposite sides of the two mechanical flattening mechanisms are also respectively provided with a centering pressing block.
9. The cell flattening device according to any one of claims 3 to 7, wherein a first clamping jaw is arranged between two ultrasonic flattening mechanisms, a second clamping jaw is arranged between two mechanical flattening mechanisms, and the first clamping jaw and the second clamping jaw are respectively connected with a vertical guide rail; and the outer surfaces of the first clamping jaw and the second clamping jaw are respectively provided with an encapsulating layer.
10. The electric core flattening device of claim 5, wherein the ultrasonic flattening mechanism is fixedly connected with the sliding block of the first sliding table through a mounting plate, the mechanical flattening mechanism is also fixedly connected with the sliding block of the second sliding table through a mounting plate, and the dust collection funnel is fixed through a mounting plate.
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| CN201920995537.4U CN209843873U (en) | 2019-06-28 | 2019-06-28 | Battery cell flattening device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110165304A (en) * | 2019-06-28 | 2019-08-23 | 武汉逸飞激光设备有限公司 | A kind of battery core rubs leveling device |
| CN114243077A (en) * | 2021-11-02 | 2022-03-25 | 广东利元亨智能装备股份有限公司 | Device and method for rubbing flat head and rubbing flat cell |
| WO2024011429A1 (en) * | 2022-07-12 | 2024-01-18 | Techtronic Cordless Gp | Rubbing machine assembly and rubbing head |
| WO2024011420A1 (en) * | 2022-07-12 | 2024-01-18 | Techtronic Cordless Gp | Electrode assembly for cylindrical battery cell |
| WO2024108344A1 (en) * | 2022-11-21 | 2024-05-30 | 宁德时代新能源科技股份有限公司 | Compressing apparatus, battery, battery cell, machining method and production system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110165304A (en) * | 2019-06-28 | 2019-08-23 | 武汉逸飞激光设备有限公司 | A kind of battery core rubs leveling device |
| CN110165304B (en) * | 2019-06-28 | 2024-06-11 | 武汉逸飞激光股份有限公司 | Electric core kneading device |
| CN114243077A (en) * | 2021-11-02 | 2022-03-25 | 广东利元亨智能装备股份有限公司 | Device and method for rubbing flat head and rubbing flat cell |
| WO2024011429A1 (en) * | 2022-07-12 | 2024-01-18 | Techtronic Cordless Gp | Rubbing machine assembly and rubbing head |
| WO2024011420A1 (en) * | 2022-07-12 | 2024-01-18 | Techtronic Cordless Gp | Electrode assembly for cylindrical battery cell |
| WO2024108344A1 (en) * | 2022-11-21 | 2024-05-30 | 宁德时代新能源科技股份有限公司 | Compressing apparatus, battery, battery cell, machining method and production system |
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