CN111824765A - Electricity core unloading clamping mechanism - Google Patents
Electricity core unloading clamping mechanism Download PDFInfo
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- CN111824765A CN111824765A CN202010825546.6A CN202010825546A CN111824765A CN 111824765 A CN111824765 A CN 111824765A CN 202010825546 A CN202010825546 A CN 202010825546A CN 111824765 A CN111824765 A CN 111824765A
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- Prior art keywords
- clamping
- mounting seat
- splint
- clamping plate
- battery cell
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/74—Feeding, transfer, or discharging devices of particular kinds or types
- B65G47/90—Devices for picking-up and depositing articles or materials
- B65G47/901—Devices for picking-up and depositing articles or materials provided with drive systems with rectilinear movements only
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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
- H01M10/0587—Construction or manufacture of accumulators having only wound construction elements, i.e. wound positive electrodes, wound negative electrodes and wound separators
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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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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The embodiment of the invention provides a battery cell blanking clamping mechanism, which relates to the field of lithium battery manufacturing equipment. Through adopting rectangle, platelike structure's inboard splint and outside splint for the occupation space of splint is littleer, has reduced the probability that the electric core inboard sinks, and is more firm when splint receive the stress on the horizontal direction simultaneously, is difficult for taking place to warp, thereby avoids arousing electric core to warp and crumple, and the area of contact between splint and the electric core is littleer, and the clamp force is bigger, presss from both sides tightly effectually, reduces to roll up and drives the risk that the inlayer diaphragm caused the loosing core when the needle was pulled out.
Description
Technical Field
The invention relates to the field of lithium battery manufacturing equipment, in particular to a battery cell blanking clamping mechanism.
Background
In the current production process of the power lithium battery, a winding machine is mainly used for winding positive and negative pole pieces and an isolating film to form a battery cell, and after the battery cell is wound on a winding needle, a clamping mechanism is usually used for blanking; the existing blanking clamping mechanism usually realizes blanking by drawing back a winding needle after clamping a battery cell through an inner clamping roller and an outer clamping roller. And the use of the current battery core blanking clamping mechanism has the following problems: 1. the clamping roller is cylindrical, the circumferential space of a winding needle is occupied, and the diaphragm pole piece on the inner side is easy to collapse in the process of winding and blanking the battery cell; 2. the clamping roller is easy to deform and break in the stress direction, so that one end of the clamping roller is not clamped tightly, and the inner side of the clamping roller is easy to wrinkle when the battery cell is pre-pressed and formed; 3. the contact area between the clamping roller and the arc surface of the battery cell is large, the clamping force per unit area is small, and the winding needle is easy to drive the inner-layer diaphragm when being withdrawn, so that the battery cell is loose core and scrapped.
Disclosure of Invention
The invention aims to: the utility model provides an electricity core unloading clamping mechanism and take-up device, it has adopted the rectangle clamping plate structure for it is little to occupy the circumference space, and electric core is difficult for collapsing, and is difficult for taking place to warp, and the difficult wrinkle of beating in electric core surface, and the clamp force is big, presss from both sides tightly effectually, reduces to roll up the risk that the needle drove the inlayer diaphragm and cause the loosing core when pulling out the needle.
Embodiments of the invention may be implemented as follows:
in a first aspect, an embodiment of the present invention provides a battery cell blanking clamping mechanism, which includes an inner side clamping plate, an outer side clamping plate and a clamping driving mechanism, wherein the inner side clamping plate and the outer side clamping plate are disposed oppositely, the clamping driving mechanism is simultaneously in transmission connection with the inner side clamping plate and the outer side clamping plate, and is configured to drive the inner side clamping plate and the outer side clamping plate to approach each other or separate from each other, so as to clamp or release a battery cell, and cross sections of the inner side clamping plate and the outer side clamping plate are both rectangular.
In an alternative embodiment, the inner clamp plate is curved proximate a side edge of the outer clamp plate.
In an optional embodiment, the battery cell blanking clamping mechanism further includes a first mounting seat, the first mounting seat is in transmission connection with the clamping driving mechanism, and the outer side clamping plate is fixedly mounted on the first mounting seat and is driven by the first mounting seat to move.
In an optional embodiment, the battery cell blanking clamping mechanism further includes a second mounting seat, the second mounting seat is in transmission connection with the clamping driving mechanism, and the inner side clamping plate is fixedly mounted on the second mounting seat and is driven by the second mounting seat to move.
In an optional embodiment, a first limiting groove is formed in the first mounting seat, and an end of the outer clamping plate is detachably assembled in the first limiting groove; and a second limiting groove is formed in the second mounting seat, and the end part of the inner side clamping plate is detachably assembled in the second limiting groove.
In an alternative embodiment, the width of the first limiting groove is matched with the end part of the outer splint, and the first limiting groove is used for limiting the end part of the outer splint; the width of the second limiting groove is matched with the end part of the inner side clamping plate, and the second limiting groove is used for limiting the end part of the inner side clamping plate.
In an alternative embodiment, the end of the outer clamping plate is fixed in the first limiting groove by at least two first screws; the end part of the inner side clamping plate is fixed in the second limiting groove through at least two second screws.
In an optional embodiment, the first mounting seat is disposed at the top of the clamping driving mechanism, a bearing plate is movably disposed at the bottom of the clamping driving mechanism, the second mounting seat is disposed on the bearing plate, and the top of the first mounting seat is flush with the top of the second mounting seat.
In an alternative embodiment, an edge of the outer splint close to the inner splint is provided with an encapsulating layer.
The beneficial effects of the embodiment of the invention include, for example:
according to the battery cell blanking clamping mechanism provided by the invention, the inner side clamping plate and the outer side clamping plate which are of rectangular and plate structures are adopted, so that the occupied space of the clamping plates is smaller compared with that of a cylindrical structure, the space reserved for the clamping plates on a winding needle can be smaller, the probability of the inner side of a battery cell collapsing is reduced, and meanwhile, the clamping plates are more stable and are not easy to deform when stressed in the horizontal direction due to the adoption of the rectangular structure, so that the surface of the battery cell is prevented from being wrinkled, the contact area between the clamping plates and the battery cell is smaller, the clamping force is larger, the clamping effect is good, and the risk of pulling core caused by the fact that an inner-layer diaphragm is driven.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural view of a cell blanking clamping mechanism provided in a first embodiment of the present invention at a first viewing angle;
fig. 2 is a schematic structural view of a cell blanking clamping mechanism provided in a first embodiment of the present invention at a second viewing angle;
fig. 3 is an assembly structural diagram of a cell blanking clamping mechanism according to a first embodiment of the present invention;
fig. 4 is a schematic structural view of a cell blanking clamping mechanism provided in the first embodiment of the present invention at a third viewing angle;
FIG. 5 is a schematic view of the medial splint of FIG. 1;
FIG. 6 is a schematic view of the structure of the outer clamping plate of FIG. 1;
fig. 7 is a schematic structural diagram of a winding device according to a second embodiment of the present invention.
Icon: 100-cell blanking clamping mechanism; 110-inner splint; 111-a second clamping portion; 113-a second connection; 115-second screw hole; 130-lateral splint; 131-a first clamping portion; 133-a first connection; 135-a first screw hole; 137-encapsulating layer; 150-a clamping drive mechanism; 170-a first mount; 171-a first retaining groove; 190-a second mount; 191-a second limiting groove; 193-carrier plate; 200-a winding device; 210-a needle winding mechanism; 300-electric core.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that if the terms "upper", "lower", "inside", "outside", etc. indicate an orientation or a positional relationship based on that shown in the drawings or that the product of the present invention is used as it is, this is only for convenience of description and simplification of the description, and it does not indicate or imply that the device or the element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
Furthermore, the appearances of the terms "first," "second," and the like, if any, are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
As disclosed in the background art, when the winding shaft is withdrawn, the winding pin mechanism of the conventional winding machine usually adopts a cylindrical clamping roller to clamp the battery cell, and the cylindrical clamping roller is limited by the shape of the cylindrical clamping roller, so that the horizontal stress bearing capability of the cylindrical clamping roller is poor, the cylindrical clamping roller is easy to deform when stressed, the clamping is not tight, and the battery cell is easy to wrinkle on the inner side during prepressing and forming. In addition, cylindrical clamping roller, in order to guarantee its clamping-force, its radius is generally great, has occupied great space simultaneously in vertical direction, and the space of stepping down that reserves for clamping roller is also great in the book needle mechanism, make when coiling inside cavity great, the inboard diaphragm pole piece of electric core coiling unloading in-process sinks easily, area of contact is great between cylindrical clamping roller and the electric core inlayer diaphragm simultaneously, the unit area clamp force is less, it drives the inlayer diaphragm easily to roll up the needle when withdrawing, cause the failure of loosing core, electric core is scrapped.
In order to solve the problems, the invention provides a cell blanking clamping mechanism and a winding device, which adopt a rectangular clamping plate structure, so that the clamping effect is good, the cell blanking clamping mechanism is not easy to deform, the occupied space is small, the reserved space on a winding needle mechanism is relatively small, the inner side diaphragm pole piece is not easy to collapse in the cell winding and blanking process, the contact area of a clamping roller and the arc surface of a cell is relatively small, the unit area clamping force is large, an inner layer diaphragm is not easy to drive when a winding needle is withdrawn, and the needle pulling effect is ensured.
It should be noted that the features of the embodiments of the present invention may be combined with each other without conflict.
First embodiment
With reference to fig. 1 to 6, the embodiment provides an electrical core blanking clamping mechanism 100, which is good in clamping effect, not easy to deform, and small in occupied space, so that the reserved space on the needle winding mechanism 210 is relatively small, the inner-side diaphragm pole piece in the electrical core 300 winding blanking process is not easy to collapse, the contact area between the clamping roller and the arc surface of the electrical core 300 is relatively small, the unit area clamping force is large, and the inner-layer diaphragm is not easy to drive when the winding needle is withdrawn, thereby ensuring the needle pulling effect.
The invention provides a battery cell blanking clamping mechanism 100 which comprises an inner side clamping plate 110, an outer side clamping plate 130 and a clamping driving mechanism 150, wherein the inner side clamping plate 110 and the outer side clamping plate 130 are oppositely arranged, the clamping driving mechanism 150 is simultaneously in transmission connection with the inner side clamping plate 110 and the outer side clamping plate 130 and is used for driving the inner side clamping plate 110 and the outer side clamping plate 130 to mutually approach or separate so as to clamp or release a battery cell 300, and the cross sections of the inner side clamping plate 110 and the outer side clamping plate 130 are rectangular.
In this embodiment, inboard splint 110 and outside splint 130 all are platelike, and the transversal rectangle of personally submitting, make and compare in cylindrical structure, the occupation space of splint is littleer, so the space of reserving for splint on the book needle can be littleer, the probability of the inboard subsides of electric core 300 has been reduced, adopt the rectangle structure simultaneously, make splint more firm when receiving the ascending stress of horizontal direction, be difficult for taking place to warp, thereby avoided splint to warp and lead to electric core 300 surface to crumple, and the area of contact between splint and the electric core 300 is littleer, the clamp force is bigger, it is tight effectual to press from both sides, conveniently pull out the needle action.
It should be noted that, in actual use, the number of the battery cell blanking clamping mechanisms 100 is two, the two inner side clamping plates 110 respectively abut against the opposite inner sides of the battery cells 300, and the two outer side clamping plates 130 respectively abut against the opposite outer sides of the battery cells 300, so that the battery cells 300 are clamped from two places.
It should be noted that, the cross section of the inner clamp plate 110 and the outer clamp plate 130 in the present embodiment is rectangular, which means the cross section of the inner clamp plate 110 and the outer clamp plate 130 in the direction perpendicular to the long axis, that is, the cross section in the direction perpendicular to the needle pulling direction of the needle winding mechanism is rectangular.
In this embodiment, a side edge of the inner clamp 110 adjacent to the outer clamp 130 is curved. Specifically, the inner clamping plate 110 is made of metal or alloy material, for example, aluminum alloy, so as to improve the rigidity in the force direction, and meanwhile, the inner clamping plate 110 is prevented from scratching the inner diaphragm of the battery cell 300 by performing a rounding operation on one edge for abutting against the inner clamping plate.
Further, the battery cell blanking clamping mechanism 100 further includes a first mounting seat 170 and a second mounting seat 190, the first mounting seat 170 is in transmission connection with the clamping driving mechanism 150, and the outer clamping plate 130 is fixedly mounted on the first mounting seat 170 and is driven by the first mounting seat 170 to move. The second mounting seat 190 is in transmission connection with the clamping driving mechanism 150, and the inner clamping plate 110 is fixedly mounted on the second mounting seat 190 and is driven by the second mounting seat 190 to move.
In this embodiment, during actual actions, the clamping driving mechanism 150 synchronously drives the first mounting seat 170 and the second mounting seat 190 to move, and the first mounting seat 170 and the second mounting seat 190 are driven by the clamping driving mechanism 150 to move relatively close to each other, so as to respectively drive the inner clamping plate 110 and the outer clamping plate 130 to move relatively close to each other and respectively abut against the inner side and the outer side of the battery cell 300, thereby realizing the clamping action on the battery cell 300.
In this embodiment, the first mounting seat 170 is provided with a first limiting groove 171, and the end of the outer clamp plate 130 is detachably fitted in the first limiting groove 171; the second mounting seat 190 is provided with a second limiting groove 191, and the end of the inner splint 110 is detachably assembled in the second limiting groove 191.
It should be noted that the width of the first limiting groove 171 is matched with the end of the outer splint 130, and the first limiting groove 171 is used for limiting the end of the outer splint 130; the width of the second limiting groove 191 is matched with the end of the inner splint 110, and the second limiting groove 191 is used for limiting the end of the inner splint 110.
In the present embodiment, the end of the outer clamp plate 130 is fixed in the first stopper groove 171 by at least two first screws; the end of the inner clamping plate 110 is fixed in the second limiting groove 191 by at least two second screws.
The outer side clamping plate 130 includes a first clamping portion 131 and a first connecting portion 133 that are integrally formed, the first clamping portion 131 is used for abutting against the outer side surface of the battery cell 300, the first connecting portion 133 is provided with two first screw holes 135, and is fixed in the first limiting groove 171 through two first screws, wherein the line direction of the two first screw holes 135 is parallel to the extending direction of the first clamping portion 131, so that the first connecting portion 133 can be fixed in the first limiting groove 171, and can make the first screws bear force in the horizontal direction after being fixed through the first screws, thereby preventing the first clamping portion 131 from becoming flexible in the horizontal direction. Of course, the number of the first screws is not particularly limited herein.
It should be noted that, in this embodiment, the outer side clamping plate 130 is also made of metal or alloy, the structural strength is high, and meanwhile, the first connecting portion 133 and the first clamping portion 131 are in a butt-stock shape, so that the first clamping portion 131 is disposed in an inward staggered manner relative to the first connecting portion 133, the first clamping portion 131 can be ensured to be abutted against the outer side surface of the battery cell 300, and the first connecting portion 133 is prevented from interfering with the stroke of the first clamping portion 131.
The inner side clamping plate 110 includes a second clamping portion 111 and a second connecting portion 113 which are integrally formed, the second clamping portion 111 is used for extending into the interior of the needle winding mechanism 210 and abutting against the inner side surface of the battery cell 300, at least two second screw holes 115 are formed in the second connecting portion 113 and fixed in the second limiting groove 191 through two second screws, wherein the connecting direction of the two second screw holes 115 is parallel to the extending direction of the second clamping portion 111, so that the second connecting portion 113 can be fixed in the second limiting groove 191, and the second screws can bear force in the horizontal direction after being fixed through the second screws, and the second clamping portion 111 is prevented from loosening in the horizontal direction. Of course, the number of the second screws is not particularly limited herein.
In the present embodiment, the first connection portion 133 and the second connection portion 113 are disposed opposite to each other, and a clamping channel is formed therebetween, and the first connection portion 133 and the second connection portion 113 are moved toward or away from each other under the driving action of the clamping driving mechanism 150 to clamp the battery cell 300 or loosen the battery cell 300.
It should be noted that, in this embodiment, the second connecting portion 113 does not need to extend into the needle winding mechanism 210, so that the thickness and the width of the second connecting portion 113 are both greater than those of the second clamping portion 111, so that it can be stably installed in the second limiting groove 191, wherein the width of the second limiting groove 191 is matched with the width of the second connecting portion 113, so that the second connecting portion 113 can be assembled in the second limiting groove 191, so that the side wall of the second limiting groove 191 further limits the second connecting portion 113, and the second connecting portion 113 is prevented from being loosened left and right.
In this embodiment, the first mounting seat 170 is disposed on the top of the clamping driving mechanism 150, the bottom of the clamping driving mechanism 150 is movably disposed with a bearing plate 193, the second mounting seat 190 is disposed on the bearing plate 193, and the top of the first mounting seat 170 is flush with the top of the second mounting seat 190. Specifically, the first mounting seat 170 is slidably disposed at the top of the clamping driving mechanism 150 through a sliding rail, the carrier plate 193 is slidably disposed at the bottom of the clamping driving mechanism 150 through a sliding rail, and the clamping driving mechanism 150 can simultaneously drive the first mounting seat 170 and the carrier plate 193 to move, so that the first mounting seat 170 and the second mounting seat 190 move toward or away from each other, and the inner clamping plate 110 and the outer clamping plate 130 clamp or loosen the battery cell 300.
The clamping driving mechanism 150 is driven by an air cylinder, and includes a cylinder body and a piston rod, wherein the cylinder body bearing plate 193 is fixedly connected, and the end of the piston rod is fixedly connected with the first mounting seat 170, so that the relative movement between the first mounting seat 170 and the second mounting seat 190 is realized by the relative movement between the cylinder body and the piston rod. The clamp driving mechanism 150 is consistent with the structure and driving principle of the existing clamp driving mechanism, and will not be described in detail here. Of course, the clamp driving mechanism 150 may be driven by other driving members such as a hydraulic cylinder or an electric push rod, and this is not particularly limited.
In this embodiment, an edge of the outer splint 130 close to the inner splint 110 is provided with an encapsulating layer 137. Specifically, the encapsulating layer 137 is disposed at an edge of the first connecting portion 133 close to the second connecting portion 113, and a contact surface between the encapsulating layer 137 and the battery cell 300 is a corner cut structure. Through setting up the encapsulating layer 137, the metal edge of the first connecting portion 133 can be avoided from scratching the outer side surface of the battery cell 300.
In this embodiment, the edge of the first connection portion 133 is provided with a receiving groove, the receiving groove penetrates through the first connection portion 133 along the extending direction thereof, and the encapsulating layer 137 is partially embedded in the receiving groove to ensure the stability of the structure thereof. Meanwhile, after long-term use, the encapsulating layer 137 is worn, the encapsulating layer 137 can be directly torn off, and a new encapsulating layer 137 is attached again, so that the use is very convenient.
The electric core blanking clamping mechanism 100 provided by the embodiment has the following working principle: after the core is rolled up and is accomplished, two inboard splint 110 stretch into the downthehole of stepping down of the inside both sides of rolling up the core mechanism, draw close two outside splint 130 simultaneously and set up in the outside both sides of electric core 300, under the synchronization action of two tight actuating mechanism 150 of clamp, inboard splint 110 draws close each other with the outside splint 130 that corresponds to support respectively in the inboard and the outside of electric core 300, realize the tight action of clamp to electric core 300, then pull out the needle action again, accomplish electric core 300's unloading. Because outside splint 130 and inboard splint 110 all adopt be the rectangle platelike structure, its occupation space is littleer, make the space of stepping down on the core rolling mechanism littleer, the inboard cavity of electric core 300 is littleer when rolling up the core action, difficult emergence is caved in, adopt the rectangle structure simultaneously, make splint more firm when receiving the ascending stress of horizontal direction, be difficult for taking place to warp, thereby avoided splint to warp and lead to electric core 300 surface to crumple, and the area of contact between splint and electric core 300 is littleer, the clamp force is bigger, it is effectual to press from both sides tightly, conveniently pull out the needle action.
Second embodiment
Referring to fig. 7, the present embodiment provides a winding device 200, which includes a winding needle mechanism 210 and a cell blanking clamping mechanism 100, wherein the cell blanking clamping mechanism 100 has the same basic structure and principle as the first embodiment, and the technical effect is generated, and for the sake of brief description, reference may be made to the corresponding content in the first embodiment where no part of the present embodiment is mentioned.
In this embodiment, electric core unloading clamping mechanism 100, including inboard splint 110, outside splint 130 and tight actuating mechanism 150 of clamp, inboard splint 110 and the relative setting of outside splint 130, press from both sides tight actuating mechanism 150 simultaneously with inboard splint 110 and the transmission of outside splint 130 are connected for drive inboard splint 110 and the mutual separation of drawing close of outside splint 130 each other or, in order to press from both sides tightly or release electric core 300, the cross section of inboard splint 110 and outside splint 130 is the rectangle. The winding needle mechanism 210 is used for winding the battery cell 300, and the inner clamping plate 110 is used for extending between the winding needle mechanism 210 and the battery cell 300.
The winding needle mechanism 210 comprises two winding needles which are respectively arc-shaped and can be close to or far away from each other, when the two winding needles are far away from each other, the peripheral surface of the winding needle mechanism is a circumferential surface, so that the winding needle mechanism is convenient to wind to form the battery cell 300, and after the winding needle mechanism is wound to form the battery cell, the two winding needles are close to each other, so that the winding needle mechanism and the battery cell 300 are separated, and the needles are convenient to pull out. After the coil needles are close to each other, the inner side clamping plate 110 and the outer side clamping plate 130 are respectively moved to the inner side and the outer side of the battery cell 300, wherein the inner side clamping plate 110 extends into a reserved yielding hole on the coil needles, after the battery cell 300 is clamped through the inner side clamping plate 110 and the outer side clamping plate 130, the two coil needles are pulled out backwards, the needle pulling action is completed, the blanking of the battery cell 300 is realized, and the specific process and the principle can refer to the existing blanking process.
The winding device 200 provided by the embodiment, through all setting the rectangle to inboard splint 110 and outside splint 130, its occupation space is littleer, make the hole of stepping down on the book needle can do littleer, electric core 300 is more difficult to sink when coiling, adopt the rectangle structure simultaneously, make splint more firm when receiving the ascending stress of horizontal direction, be difficult for taking place to warp, thereby avoided splint to warp and lead to electric core 300 surface to crumple, and the area of contact between splint and electric core 300 is littleer, the clamp force is bigger, it is effectual to press from both sides tightly, conveniently pull out the needle action.
The above description is only for the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (9)
1. The utility model provides an electricity core unloading clamping mechanism, its characterized in that includes inboard splint, outside splint and presss from both sides tight actuating mechanism, inboard splint with outside splint set up relatively, press from both sides tight actuating mechanism simultaneously with inboard splint with outside splint transmission is connected, is used for driving inboard splint with outside splint draw close each other or alternate segregation to press from both sides tightly or release electric core, inboard splint with the cross section of outside splint is the rectangle.
2. The battery cell blanking clamping mechanism of claim 1, wherein a side edge of the inner clamping plate adjacent to the outer clamping plate is curved.
3. The battery cell blanking clamping mechanism of claim 1, further comprising a first mounting seat, wherein the first mounting seat is in transmission connection with the clamping driving mechanism, and the outer clamping plate is fixedly mounted on the first mounting seat and is driven by the first mounting seat to move.
4. The battery cell blanking clamping mechanism of claim 3, further comprising a second mounting seat, wherein the second mounting seat is in transmission connection with the clamping driving mechanism, and the inner clamping plate is fixedly mounted on the second mounting seat and is driven by the second mounting seat to move.
5. The battery cell blanking clamping mechanism according to claim 4, wherein the first mounting seat is provided with a first limiting groove, and an end of the outer clamping plate is detachably fitted in the first limiting groove; and a second limiting groove is formed in the second mounting seat, and the end part of the inner side clamping plate is detachably assembled in the second limiting groove.
6. The battery cell blanking clamping mechanism of claim 5, wherein the width of the first limiting groove is matched with the end of the outer side clamping plate, and the first limiting groove is used for limiting the end of the outer side clamping plate; the width of the second limiting groove is matched with the end part of the inner side clamping plate, and the second limiting groove is used for limiting the end part of the inner side clamping plate.
7. The battery cell blanking clamping mechanism of claim 5, wherein an end of the outer clamping plate is fixed in the first limiting groove by at least two first screws; the end part of the inner side clamping plate is fixed in the second limiting groove through at least two second screws.
8. The battery cell blanking clamping mechanism of claim 4, wherein the first mounting seat is disposed at a top of the clamping driving mechanism, a bearing plate is movably disposed at a bottom of the clamping driving mechanism, the second mounting seat is disposed on the bearing plate, and a top of the first mounting seat is flush with a top of the second mounting seat.
9. The battery cell blanking clamping mechanism of claim 1, wherein an edge of one side of the outer clamping plate, which is close to the inner clamping plate, is provided with an encapsulating layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010825546.6A CN111824765A (en) | 2020-08-17 | 2020-08-17 | Electricity core unloading clamping mechanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010825546.6A CN111824765A (en) | 2020-08-17 | 2020-08-17 | Electricity core unloading clamping mechanism |
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| CN111824765A true CN111824765A (en) | 2020-10-27 |
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| CN202010825546.6A Pending CN111824765A (en) | 2020-08-17 | 2020-08-17 | Electricity core unloading clamping mechanism |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113328147A (en) * | 2021-04-30 | 2021-08-31 | 大族激光科技产业集团股份有限公司 | Needle winding mechanism |
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2020
- 2020-08-17 CN CN202010825546.6A patent/CN111824765A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113328147A (en) * | 2021-04-30 | 2021-08-31 | 大族激光科技产业集团股份有限公司 | Needle winding mechanism |
| CN113328147B (en) * | 2021-04-30 | 2022-07-05 | 大族激光科技产业集团股份有限公司 | Needle winding mechanism |
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