CN209947979U

CN209947979U - Tool for collecting and stacking battery pole pieces

Info

Publication number: CN209947979U
Application number: CN201920628499.9U
Authority: CN
Inventors: 陈保成
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-05-05
Filing date: 2019-05-05
Publication date: 2020-01-14
Anticipated expiration: 2029-05-05

Abstract

The utility model relates to a collect, pile up tool of battery pole piece, be applicable to just, the negative pole piece piles up each other and forms in the preparation technology of naked electric core, this tool is used for collecting the pole piece, use as the turnover tool, this tool is used for just, when the negative pole piece is crisscross to be piled up, need negative and positive tool (positive plate tool and negative pole piece tool) cooperation to realize unsmooth concatenation, negative and positive tool space cross and stagger each other again, make the positive plate tool of having collected the positive plate and the negative pole piece turnover tool of having collected the negative pole piece realize the wrong layer and insert and close, retrieve when empty tool and carry the mechanism and take out negative pole piece turnover tool and positive plate turnover tool level respectively outwards to separate, the crisscross pile-up of positive and negative pole piece forms naked electric core together, thereby.

Description

Tool for collecting and stacking battery pole pieces

Technical Field

The utility model relates to a battery technical field of the new forms of energy indicates a tool of collecting, piling up battery sheet especially.

Background

At present, the main method for producing a lithium battery cell is lamination and winding, stacking of positive and negative electrode plates of a traditional cell is mainly based on a zigzag lamination process, and mainly comprises the following steps that on a stacking workbench, the positive and negative electrode plates are alternately stacked by single plates, and the actions are as follows: the method is characterized in that the method comprises the following steps of stacking only one negative plate, one insulating film, one positive plate, one insulating film, one negative plate, one insulating film and one positive plate at a time, wherein the efficiency is extremely low, namely the insulating films are placed in a Z shape to automatically realize the stacking of the positive and negative plates, and finally the bare cell is obtained and is influenced by factors such as the lifting of a workbench, the tension change, the difference of pressing force of pressing claws and the like, the alignment precision of the stacked plates and the insulating films is low, and the production efficiency is low. Therefore, the applicant designs a manufacturing process for forming a bare cell by alternately stacking positive and negative plates, and the premise of rapidly and respectively collecting the positive and negative plates and simultaneously stacking the positive and negative plates in a staggered manner is to achieve the alternate stacking of the positive and negative plates.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a tool for collecting and stacking battery pole pieces. The jig is provided for realizing quick production of the battery core by stacking the positive and negative plates of the battery core. The jig is matched with a pole piece die-cutting machine for use, the collecting efficiency of the battery core pole pieces can be greatly improved, the time is saved, the cost is reduced, the labor and the energy consumption are reduced, and the jig is matched with a positive and negative pole piece staggered stacking mechanism for use, so that the stacking efficiency of the positive and negative pole pieces is improved.

In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a tool of collecting, piling up battery sheet, includes roof, a plurality of plywood and the bottom plate that from top to bottom sets gradually, and the plywood interval is greater than plywood and two sheet thickness sums.

In some implementations, the top plate, the plurality of laminates, and the bottom plate are press-fit coupled together via a snap-fit female member and a locking bolt.

In some implementations, a laminate backing plate is arranged below the laminate, and the laminate backing plate can be of an integral structure or a two-piece structure

In some implementations, the top and bottom plates are provided with alternating prongs and grooves.

In some embodiments, the top plate and the bottom plate include a frame body having an opening, the frame body is formed by connecting a first frame strip, a second frame strip, and a third frame strip end to end, the first frame strip and the third frame strip are disposed on two sides of the second frame strip, and the second frame strip extends toward the opening to form a plurality of fork strips and/or grooves, so that the top plate and the bottom plate form a fork shape.

In some embodiments, the laminate is provided with at least one recess having an opening.

In some embodiments, the length of the fork is greater than the lengths of the first frame strip and the second frame strip.

When this tool is used for just, the crisscross pile up of negative pole piece, after the mutual staggered floor of tool that has collected positive plate and negative pole piece respectively inserts and closes, unsmooth concatenation is realized in the cooperation of negative and positive tool, or is arranged in the cross cutting lamination all-in-one to use alone, and positive plate and negative pole piece are collected on every layer.

The utility model provides an application of tool of collection battery pole piece, is applicable to positive, negative pole piece and piles up each other and form the preparation technology of naked electric core, and this tool is used for collecting monolithic pole piece or pole piece group.

The utility model provides a pile up combination tool of battery sheet, including first tool and second tool, the second tool inserts with first tool staggered floor and closes or separate the exclusive use, first tool has first roof and first bottom plate, first roof and first bottom plate all are equipped with crisscross alternate first fork strip and first recess, the second tool has second roof and second bottom plate, second roof and second bottom plate all are equipped with crisscross alternate with first fork strip and the second fork strip of first recess shape adaptation, when first tool and second tool staggered floor insert, first recess and second recess form the space of keeping away of second fork strip and first fork strip.

In some implementations, when the jig is used for staggered stacking of the positive and negative plates, after the first jig and the second jig which respectively collect the positive and negative plates are inserted in staggered layers, the first jig and the second jig are matched to realize concave-convex splicing or are used for being used independently in a die-cutting lamination all-in-one machine, and the positive and negative plates are collected on each layer.

The beneficial effects of the utility model reside in that: the utility model discloses a realization that piling up of positive and negative pole pieces of battery electricity core realized the quick production of electricity core provides the tool. The jig is matched with a pole piece die-cutting machine for use, the collecting efficiency of the battery core pole pieces can be greatly improved, the time is saved, the cost is reduced, the labor and the energy consumption are reduced, and the jig is matched with a positive and negative pole piece staggered stacking mechanism for use, so that the stacking efficiency of the positive and negative pole pieces is improved.

Drawings

Fig. 1 is a structural diagram of the present invention.

Fig. 2 is a schematic diagram of the positive plate turnover jig and the negative plate turnover jig before insertion.

Fig. 3 is a schematic diagram of the positive plate turnover jig and the negative plate turnover jig after being inserted in a staggered layer.

Fig. 4 is a schematic diagram of the staggered lamination of the positive plates and the negative plates after the turnover jig is pulled away.

Fig. 5 is a plan layout view of a production line for realizing rapid alternate lamination of positive and negative plates.

Fig. 6 is a structure diagram of a production line for realizing rapid alternate lamination of positive and negative plates.

Fig. 7 is an enlarged view at a in fig. 2.

Figure 8 is the utility model discloses well positive plate cross cutting envelope all-in-one structure picture.

Fig. 9 is the structure diagram of the cathode plate die-cutting machine of the utility model.

Fig. 10 is a structure diagram of the middle single shaft spacing adjustable conveyer belt mechanism of the present invention.

Fig. 11 is a structure diagram of a transmission main shaft of a single-shaft adjustable-pitch conveying belt mechanism.

FIG. 12 is a schematic view of a single-axis adjustable pitch conveyor belt mechanism conveying pole pieces.

Fig. 13 is a schematic diagram of a single-shaft adjustable-pitch conveyor belt mechanism for collecting pole pieces in a turnover jig according to an embodiment.

Fig. 14 is a schematic diagram of the jig pushing mechanism pushing the empty turnover jig into the single-shaft adjustable-pitch conveying belt mechanism.

Fig. 15 is a structural view of a transfer mechanism of the present invention.

Fig. 16 is the structure diagram of the cross stacking mechanism for positive and negative electrode plates of the present invention.

Fig. 17 is a schematic diagram of a jig insertion station and a jig separation station of the positive and negative electrode plate cross stacking mechanism.

FIG. 18 is a view showing the structure of a pole piece positioning mechanism.

Fig. 19 is a bare cell structure diagram in which positive and negative electrode tabs are staggered.

Description of reference numerals: 11. the positive plate die cutting and bag sealing integrated machine; 111. a pole piece feeding end; 112. a pole piece discharging end; 114. an electrode sheet winding roller; 115. a pole piece die cutting mechanism; 116. a pole piece traction cutting mechanism; 117. an upper isolating film material roller; 118. a lower separator roll; 119. an isolation film guide mechanism; 120. a heat sealing mechanism; 121. an isolation film cutting mechanism; 122. an isolation mold traction mechanism; 123. a single-shaft spacing-adjustable conveying belt mechanism; 1231. a side support plate; 1232. a driving mechanism fixing seat; 1233. a drive mechanism; 1234. a transmission main shaft; 1235. a conveyor belt; 1236. a tension wheel; 1237. a movable support plate; 1238. a drive tooth; 1239. shifting blocks; 12310. a support bar; 12311. adjusting a rod; 12312. a hand crank; 12313. a driving mechanism supporting seat; 12314. a tab support plate; 12315. a guide wheel; 124. a waste transfer robot; 125. a waste collection magazine; 12. a positive pole piece jig conveying line; 126. a jig feeding end; 127. a jig discharging end; 128. a jig pushing mechanism; 13. a negative pole piece die-cutting machine; 14. a negative pole piece jig conveying line; 15. a positive and negative pole piece cross stacking mechanism; 151. stacking the supports; 152. stacking the platforms; 153. a lifting mechanism; 154. a first jig transfer mechanism; 155. a second jig transfer mechanism; 156. a first empty jig recovery and transfer mechanism; 157. a second empty jig recovery and transfer mechanism; 158. a battery cell taking-out mechanism; 159. a pole piece positioning mechanism; 631. a slide plate driving mechanism; 632. a slide plate; 633. a stop lever; 1510. inserting the jig into a station; 1511. separating the jig from the station; 16 a transfer mechanism; 161. a transfer support; 162. a forward and backward driving mechanism; 163. a slide base; 164. an electromagnetic chuck; 17. transferring the jig; 171. a top plate 172, a laminate; 173. a laminate backing plate; 174. a base plate; 175. a notch; 176. buckling the female member; 177. locking the bolt; 80. pole pieces; 81. a positive plate; 82. a negative plate; 83. bare cell; 19. a positive plate turnover jig; 20. negative pole piece turnover tool.

Detailed Description

Please refer to fig. 1-19, the utility model discloses a collect, pile up tool of battery pole piece, be applicable to just, during the negative pole piece piles up the preparation technology that forms naked electric core each other, when this tool is used for collecting the pole piece, use as the turnover tool, this tool is used for just, when the negative pole piece is crisscross to be piled up, need negative and positive polar plate tool (positive plate tool and negative pole piece tool) cooperation to realize unsmooth concatenation, negative and positive polar plate tool space is alternately just staggered again, make the positive plate tool of having collected the positive plate and the negative pole piece turnover tool of having collected the negative pole piece realize that the staggered floor inserts and close, retrieve when empty tool and carry the mechanism of carrying and outwards take out negative pole piece turnover tool and positive plate turnover tool level respectively and leave, the crisscross pile-up formation of positive and negative pole piece is naked.

A jig for collecting and stacking battery pole pieces is applied to a production line for realizing quick staggered superposition of positive and negative pole pieces, and comprises a positive pole piece jig conveying line 12 and a negative pole piece jig conveying line 14, wherein the positive pole piece jig conveying line and the negative pole piece jig conveying line are used for conveying turnover jigs with collected pole pieces from a jig feeding end to a jig discharging end, the jig discharging end 127 of the positive pole piece jig conveying line 12 and the negative pole piece jig conveying line 14 are provided with positive and negative pole piece cross stacking mechanisms 15 for assembling into a battery cell, the positive pole piece jig conveying line 12 and the negative pole piece jig conveying line 14 are provided with at least one jig feeding end 126 in the conveying direction, the jig feeding end 126 is provided with turnover jigs 17, and the transfer mechanisms 16 respectively convey the turnover jigs 17 from the pole piece discharging end 112 of a positive pole piece die-cutting and bag-sealing integrated machine 11 and a negative pole die-cutting machine pole piece 13 to the positive pole piece jig conveying line 12.

In order to improve production efficiency, in some implementations, tool turnover transfer chain 14 is double-deck transfer chain, the upper strata is full load turnover tool transfer chain, the lower floor retrieves the transfer chain for no-load turnover tool, in some implementations, the upper strata is no-load turnover tool transfer chain, the lower floor retrieves the transfer chain for full load turnover tool, specifically the overall arrangement and the adjustment according to other equipment, double-deck circulation transfer chain make full use of cubical space, the actual operation area occupied has been reduced, its simple structure is compact, reasonable in design is practical, convenient simplified operation, effectively link up film-making and lamination process, the possibility of providing faster efficiency for follow-up lamination process, effectively improve production efficiency, and the production cost is reduced. In this embodiment, when the empty-loading turnover jig is returned to the feeding end of the jig, the jig pushing mechanism 128 pushes the empty-loading turnover jig into the pole piece collecting station (i.e. the pole piece discharging end), so that the conveyer belt of the single-shaft adjustable-pitch conveyer belt mechanism 123 enters the notch of the turnover jig. The two-layer different-direction conveying is a conventional technical means for those skilled in the art, and the conveying line structure of the jig is not described in detail herein.

In order to further improve the production efficiency, in some implementations, the positive pole piece jig conveying line 12 and the negative pole piece jig conveying line 14 are arranged in parallel, and two jig feed ends 126 are respectively arranged at the head end and the middle part of the conveying line, the jig feed ends 126 of the positive pole piece jig conveying line 12 and the negative pole piece jig conveying line 14 are arranged in a staggered mode, the jig feed ends 126 of the positive pole piece jig conveying line 12 and the negative pole piece jig conveying line 14 are respectively provided with the positive pole piece die-cutting and bag-sealing integrated machine 11 and the negative pole piece die-cutting machine 13, and therefore the positive pole piece die-cutting and bag-sealing integrated machine 11 and the negative pole piece die.

In order to reduce the floor space, in some implementations, the negative pole piece jig conveying line 14 includes a longitudinal portion and a transverse portion, the longitudinal portion is parallel to the positive pole piece jig conveying line 12, the transverse portion is perpendicular to the longitudinal portion, and the discharging end of the negative pole piece jig conveying line is converged with the positive pole piece jig conveying line 12, the two conveying lines enclose a semi-closed loop line, and the connection conveying of the turnover jig 17 is realized between the longitudinal portion and the transverse portion of the negative pole piece jig conveying line 14 through the transfer mechanism 16.

In order to improve the lamination efficiency and realize naked electric core automated production, the positive plate die-cutting and bag-sealing integrated machine 11 is used for manufacturing a positive plate, and the outside of the positive plate is coated with an insulating film bag, the positive plate die-cutting and bag-sealing integrated machine 11 is sequentially provided with a plate coiling roller 114, a plate guiding and deviation rectifying mechanism, a plate die-cutting mechanism 115, a plate traction cutting mechanism 116, an insulating film material roller, an insulating film guiding mechanism, a heat-sealing mechanism 120, a cutting mechanism and an insulating film traction mechanism from a plate feeding end 111 to a plate discharging end 112, the insulating film material roller comprises an upper insulating film material roller and a lower insulating film material roller, and the upper insulating film material roller and the lower insulating film material roller are arranged on the upper side and the lower side of.

The rear end of the insulating film cutting mechanism is provided with a waste material transferring mechanical arm 124, and a waste material collecting box 125 is arranged below the waste material transferring mechanical arm 124.

The positive pole piece material roll is placed on a pole piece material roll 114, after being unreeled, the positive pole piece material belt sequentially enters a guide deviation correcting mechanism, a pole piece die cutting mechanism 115 and a pole piece traction cutting mechanism 116, the positive pole piece material belt firstly enters the pole piece die cutting mechanism 115, two edges of the die cutting belt of the pole piece die cutting mechanism 115 are the opposite edges of a pole lug end and a pole lug, the pole piece traction cutting mechanism 116 draws the pole piece to move forwards and cuts the pole piece into a piece of pole piece to form a positive pole piece, the pole piece material roll unreels and simultaneously discharges an upper insulating film material roll and a lower insulating film material roll, the insulating film passes through the insulating film guide mechanism, so that the upper insulating film and the lower insulating film are respectively covered on the upper surface and the lower surface of the positive pole piece, the cut positive pole piece is driven by the upper insulating film and the lower insulating film to enter a heat sealing mechanism 120, the positive pole piece is clamped between, forming a closed pocket shape into which the positive electrode tab is "packed" and is referred to as a pouch. The positive pole piece after the envelope continues to move ahead, draws to cut off the position and cuts off through shutdown mechanism, forms the envelope positive plate, and the envelope positive plate gets into adjustable interval conveyer belt mechanism 123 of unipolar, and adjustable interval conveyer belt mechanism 123 of unipolar is collected the envelope positive plate in positive plate turnover tool, and waste material shifts waste material box with waste material by waste material transfer manipulator 124.

In order to improve the lamination efficiency and realize the automatic production of naked cells, the negative pole piece die-cutting machine 13 is used for manufacturing negative pole pieces, the negative pole piece die-cutting machine 13 comprises a pole piece coiling roller 114, a guiding and rectifying mechanism, a pole piece die-cutting mechanism 115 and a pole piece traction cutting mechanism 116 which are sequentially arranged from a pole piece feeding end 111 to a pole piece discharging end 112, a negative pole piece coiling is arranged on the pole piece coiling roller 114, after unreeling, a negative pole piece material belt enters the pole piece die-cutting mechanism 115 through traction and is cut off by the cutting mechanism to form a negative pole piece, the negative pole piece enters a single-shaft adjustable-spacing conveyer belt mechanism 123, the single-shaft adjustable-spacing conveyer belt mechanism 123 collects the negative pole piece in a negative pole piece turnover jig, the positive pole piece die-cutting and bag-sealing integrated machine 11 is different from the negative pole piece 13 in that the former is used for manufacturing a bag-sealing positive pole piece and the latter is, after the positive plate is manufactured by the positive plate die-cutting and bag-sealing integrated machine 11, the outside of the positive plate is coated with an insulating film bag, and the negative plate die-cutting machine 13 only performs die cutting to form a negative plate.

The electrode plate winding roller 114, the guiding and deviation rectifying mechanism, the electrode plate die-cutting mechanism 115, the electrode plate drawing and cutting mechanism 116, the insulating film winding roller, the insulating film guiding mechanism, the insulating film heat sealing mechanism 120, the insulating film cutting mechanism, the insulating film drawing mechanism and the waste material transferring mechanical arm 124, and the waste material collecting box 125 is conventional equipment for producing electrode plates, and the structure is not described in detail.

In order to improve lamination efficiency, realize naked electric core automated production, pole piece discharge end is located to unipolar adjustable interval conveyer belt mechanism 123, a pole piece that is used for making positive plate cross cutting envelope all-in-one or negative pole piece cross cutting machine carries on each plywood 172 at turnover tool 17, prepare for follow-up quick lamination, unipolar adjustable interval conveyer belt mechanism 123 includes the conveyer belt support, be equipped with unipolar actuating mechanism 1233 on the conveyer belt support, belt transfer chain and adjustment mechanism, unipolar actuating mechanism 1233 is used for driving the operation of belt transfer chain, adjustment mechanism is used for adjusting the distance between belt transfer chain and conveyer belt support.

The conveying belt support comprises two side support plates 1231, at least two support rods 12310 are fixedly connected between the two side support plates 1231, the number of the support rods can be adjusted according to the specification of a bearing product, the number of the support rods can be three, four and the like, threaded holes are tapped at two ends of each support rod 12310, the two side support plates 1231 and the support rods 12310 are connected in a locking mode through screws to form the conveying belt support, at least one movable support plate 1237 is arranged on each support rod 12310 in a sliding mode through a linear bearing 1236, adjusting rods 12311 parallel to the support rods 12310 are respectively arranged in the movable support plates 1237 in a penetrating mode, a hand crank 12312 is fixedly connected to one end of each adjusting rod 12311, the hand crank 12312 is arranged on the outer side of each side support plate 1231 and used for driving the adjusting rods 12311 to rotate, the adjusting rods 12311 are;

the single-shaft driving mechanism 1233 comprises a driving main shaft 1234, the driving main shaft 1234 is arranged between the side supporting plates 1231 and is parallel to the supporting rod 12310, one end of the driving main shaft 1234 is mounted on the driving mechanism supporting seat 12313 through a rolling bearing 1236, the driving main shaft 1234 is connected with a rotating shaft of a driving motor, and the driving motor is fixedly mounted on the side supporting plate 1231 through a driving mechanism fixing seat 1232; be equipped with drive wheel 1238 on transmission main shaft 1234, drive wheel 1238 centre gripping is between the shifting block, drive wheel 1238 is connected and is driven through synchronous conveyor belt and sets up in adjustable backup pad both ends take-up pulley 1236 and constitute the belt transmission line, driving motor drive transmission main shaft 1234 rotates to drive wheel 1238 transmission, drive wheel 1238 drives the take-up pulley 1236 rotation at adjustable backup pad both ends, thereby make the belt transmission line rotate, the crank drives the regulation pole rotatory, thereby make portable backup pad slide along the bracing piece, portable backup pad drives the shifting block and promotes the drive wheel and remove along the transmission main shaft, thereby realize adjusting the distance between belt transmission line and the transport support.

The belt transmission line can adopt a single conveying belt, also can adopt two conveying belts, or more conveying belts constitute, it is decided according to carrying different specification products, in this embodiment, in order to make the transport steady, the belt transmission line includes first conveying belt and second conveying belt, be equipped with on the transmission main shaft 1234 first, second drive wheel 1238, be equipped with first on bracing piece 12310, portable backup pad 1237 of second, first conveying belt and second conveying belt overlap respectively on portable backup pad 1237 of first and second and support pad 1237, the belt transmission line realizes synchronous rotation under the unipolar drive, specifically indicate: the driving motor drives the transmission main shaft 1234 to rotate, so as to drive two driving wheels 1238 sleeved on the transmission main shaft 1234 to drive, thereby enabling the first conveyor belt and the second conveyor belt to run synchronously. During conveying, the bag-sealing positive plate or negative plate enters a belt conveying line formed by a first conveying belt and a second conveying belt, a driving motor rotates a transmission main shaft 1234 to be transmitted with a driving wheel 1238, so as to drive the first conveying belt and the second conveying belt to synchronously rotate, the small-sized pole plate is conveyed to a laminate 172 in a turnover jig 17, when the size of the pole plate is increased, a hand crank 12312 is shaken to rotate through an adjusting rod 12311 to adjust the distance between a side support plate 1231 and a movable support plate 1237, the movable support plate 1237 moves left and right along a support rod 12310, the support plate drives a shifting block 1239 to push the driving wheel 1238 to move left and right along the transmission main shaft 1234, so as to change the distance between the first conveying belt and the second conveying belt, namely, the large-sized pole plate can be conveyed, because the first conveying belt and the second conveying belt are respectively provided with the hand crank 12312, the adjustment can be carried out independently or simultaneously, so as to realize, the utility model discloses belt conveyor line lies in with traditional band transport's difference: the utility model discloses a same root transmission main shaft 1234 realizes two conveyor belt synchronous rotations, simultaneously, and current conveyor belt passes through the roller bearing and supports and fix in the frame, and the utility model discloses an adjustable backup pad both ends take-up pulley 1236 is fixed, when installing conveyor belt, need not dismantle the roller bearing, only need embolia alright.

For the guide of conveying belt, be equipped with leading wheel 12315 in drive wheel both sides, leading wheel 12315 presss from both sides between the shifting block, therefore when removing portable backup pad, the shifting block promotes drive wheel, leading wheel and moves simultaneously to realize adjusting the distance between conveying belt and the transport support.

And the single-shaft adjustable-spacing conveying belt mechanism 123 is provided with a tab supporting plate 12314. The tab support plate 12314 is used for supporting tabs, so that the pole piece conveying is more stable, and the tabs are prevented from deforming in the conveying process.

Turnover tool 17 is the tool that can make up the dismouting, in the piece process, when this tool is used for collecting the pole piece, use as the turnover tool, in the lamination process, be used for positive negative pole piece alternately stacking mechanism carries out the crisscross lamination of positive negative pole, need insert and close anodal turnover tool and the negative pole turnover tool that realizes unsmooth concatenation, anodal turnover tool and negative pole turnover tool space are alternately crossed and stagger each other again, realize the staggered floor and insert, the turnover tool all includes roof 171, a plurality of plywood 172 and bottom plate 174 that set gradually from top to bottom, plywood 172 interval is greater than plywood 172 and two pole piece thickness sums. Roof 171, a plurality of plywood 172 and bottom plate 174 press the knot through lock female 176 and locking bolt 177 and combine, adopt the bolt assembly to connect between lock female 176 and the locking bolt 177 and avoid adopting welded mode, make turnover tool 17 installation dismantle faster, the commonality is stronger, and reuse rate is higher. In order to enable the laminate 172 to be stable and easy to process, the laminate backing plate 173 is arranged below the laminate 172, the laminate 172 and the laminate backing plate 173 can be of an integrated structure or a two-piece structure, wherein the female fastening piece 176 is an internal thread and is matched with the locking bolt 177 to lock the whole assembly, when the number of the laminate 172 and the laminate backing plate 173 is different, the depth of the locking bolt 177 entering the female fastening piece 176 can be used for adjustment, and the locking is always kept. The top plate 171, the layer plate 172 and the bottom plate 174 are provided at corresponding positions with at least one notch 175 having an opening, specifically: roof 171, plywood 172 are the same in structure, and roof 171 is including having the open-ended framework, the framework form by first frame strip, second frame strip, third frame strip end to end connection, second frame strip both sides are located to first frame strip and third frame strip, second frame strip extends towards the opening has a plurality of forks strip and/or recess, makes roof 171 form the fork form, fork strip length is greater than first frame strip, second frame strip length, and positive plate turnover tool 19 and negative pole piece turnover tool 20 are when the staggered floor is inserted, the complementary unsmooth concatenation of fork strip and/or recess of roof 171, bottom plate 174. The groove provides a space for avoiding when the two jigs are inserted and closed, and the fork strips enhance the strength of the top plate or the bottom plate.

The positive plate turnover jig 19 and the negative plate turnover jig 20 are similar in structure, and are different in that the notch 175 positions of the positive plate turnover jig 19 and the negative plate turnover jig 20 are arranged in a staggered mode, namely the top plate 171 and the bottom plate are crossed and staggered in space, the notches of the positive plate turnover jig 19 and the negative plate turnover jig 20 are in a positive-negative fit, namely a concave-convex fit, when the positive plate turnover jig 19 and the negative plate turnover jig 20 are in a staggered-layer insertion mode, the two laminated plates 172 are staggered-layer fit, two laminated plates of the same turnover jig are arranged between the two laminated plates, a sealed positive plate, the laminated plates 172 and negative plates are stacked in a staggered mode, and the top plate and the bottom plate are all in a. The notch of the laminate 172 is used for avoiding the position of the single-shaft adjustable conveying mechanism, so the laminate structures of the positive plate turnover jig 19 and the negative plate turnover jig 20 can be the same or different, and the function of bearing the pole piece can be realized.

A positioning hole for the pole piece positioning mechanism to extend into is arranged in any one of the grooves, and a positioning hole is arranged at the corresponding position of the laminate 172. The top plate 171 and the bottom plate opening notch are used for keeping away the position of the single-shaft adjustable conveying mechanism except that the matching of the male and female insertion is realized, the conveying belt of the single-shaft adjustable conveying mechanism is inserted into the notch, the pole pieces are collected in each layer of the plate, and the positioning holes are used for keeping away the position of the pole piece positioning mechanism when the pole pieces are stacked. Each laminate 172 can have a single pole piece or a set of pole pieces (positive and negative) disposed thereon. The number of pole pieces of the battery cell determines the number of the laminate plates 172 of the jig.

The turnover jig 17 is lifted by the lifting mechanism 153, and is matched with the single-shaft adjustable-interval conveying belt mechanism 123 to realize the collection of a plurality of pole pieces, after the pole pieces enter the turnover jig 17 along the conveying belt 1235, the pole pieces fall on the highest layer plate 172, at the moment, the lifting mechanism 153 lifts the turnover jig 17 by one layer, only the next pole piece of the previous pole piece falls on the second layer plate 172, and so on, after the turnover jig 17 is filled with each layer plate 172, the transfer mechanism 16 moves the turnover jig 17 into the positive pole piece jig conveying line 12 or the negative pole piece jig conveying line 14, the conveying line conveys the turnover jig 17 fully loaded with the pole pieces from the jig feeding end 126 to the jig discharging end 127, the jig discharging end 127 is provided with a positive and negative pole piece cross stacking mechanism 15,

the positive and negative pole piece staggered stacking mechanism is used for separating pole pieces from a turnover jig so as to stagger and stack the positive and negative pole pieces, and comprises a stacking bracket 151, wherein the stacking bracket 151 is provided with a lifting mechanism 153, the lifting mechanism 153 is provided with a stacking platform 152, the stacking platform 152 is provided with a first jig transfer mechanism 154 and a second jig transfer mechanism 155 at a jig insertion station 1510, the first jig transfer mechanism 154 and the second jig transfer mechanism 155 sequentially transfer a positive pole piece turnover jig 19 and a negative pole piece turnover jig 20 to the stacking platform 152, the stacking platform 152 descends to a jig separation station 1511, the stacking platform 152 is provided with a first empty jig recovery transfer mechanism 156, a second empty jig recovery transfer mechanism 157 and an electric core taking-out mechanism 158 at a jig separation station 1511, the first empty jig recovery transfer mechanism 156 and the second empty jig recovery transfer mechanism 157 are arranged at two sides of the stacking platform and are used for simultaneously moving the positive pole piece turnover jig 19 and the negative pole piece turnover jig 20 out of the stacking platform, cell taking-out mechanism 158 is located and is piled up platform one side for will be taken out by the crisscross naked electric core that piles up formation of positive, negative pole piece on piling up the platform.

The stacking support 151 is further provided with a pole piece positioning mechanism 159 which positions pole pieces on two sides of the positive pole piece and the negative pole piece, and when the positive pole piece turnover jig 19 and the negative pole piece turnover jig 20 are pulled away, the positive pole piece and the negative pole piece are not displaced and can be just stacked together.

Elevating system 153 drive stacking platform descends, the turnover tool inserts from the tool and closes the station to tool separation station 1511 in-process, pole piece positioning mechanism 159 pierces into notch 175, the pin is fixed a position and is blockked the pole piece both sides, the pin makes the pole piece keep former ascending position in horizontal direction unchangeable, when empty tool is retrieved and is carried moving mechanism 16 and take away positive plate turnover tool 19 and negative pole piece turnover tool 20 level respectively, the positive plate of envelope and negative pole piece negative and positive are crisscross to be piled up and form naked electric core on stacking platform 152, electric core take-out mechanism 158 stretches into stacking platform 152 and takes out naked electric core.

The method specifically comprises the following steps: pole piece positioning mechanism includes slide actuating mechanism 631, slide actuating mechanism 631 drives slide 632 and moves back and forth in the locating hole, be equipped with pin 633 on the slide 632, positive plate turnover tool 19 and negative pole piece turnover tool 20 after inserting the combination descend to the in-process of tool separation station, the turnover tool descends and falls into pin 633, before not reaching tool separation station, pin 633 keeps away from pole piece 80, avoid pin 633 to damage pole piece 80, when descending to tool separation station, slide actuating mechanism 631 drives slide 632 and makes pin 633 support the pole piece 80 edge (keeping off the opening part at the roof recess promptly) of keeping away from the pole piece 80 inlet port of turnover tool, thereby when making the turnover tool take out, make pole piece 80 keep the horizontal direction position unchangeable.

The transferring mechanism 16 comprises a transferring support 161, the transferring support 161 is provided with a forward and backward driving mechanism 162, a disk lifting driving mechanism 165, a sliding seat 163 and an electromagnetic chuck 164, the electromagnetic chuck 164 is arranged on the sliding seat 163, the sliding seat 163 is driven by the forward and backward driving mechanism 162 to slide back and forth along the transferring support 161, when the transferring jig is fully loaded, the disk lifting driving mechanism 165 enables the electromagnetic chuck 164 to descend to suck the transferring jig 17 and then ascend sequentially until the transferring jig is at the highest position, and the forward and backward driving mechanism 162 drives the sliding seat 163 to move to the positive pole piece jig conveying line 12 or the negative pole piece jig conveying line 14 from the jig feeding end 126, so that the transferring of the jig for collecting pole pieces is. In some embodiments, the forward and backward driving mechanism 162 drives the slide 163 to move from the tool discharging end 127 to the positive and negative electrode plate cross stacking mechanism 15. The transfer mechanism 16 may be a robot in some embodiments, but the present invention employs electromagnetic transfer, which is different from robot transfer, and the robot transfer includes many actions such as translation-descending-loosening-grabbing-ascending-translation-descending-loosening when transferring from one position to another position, while the present invention has the advantages of translation-descending-ascending-translation-descending, fewer actions and faster transfer speed.

The utility model discloses production line theory of operation: the positive plate die-cutting and bag-sealing integrated machine 11 is used for manufacturing a bag-sealing positive plate, an insulating film bag is coated on the outer side of the positive plate of the bag-sealing positive plate, a tab is exposed, a negative plate is manufactured by the negative plate die-cutting machine 13, the bag-sealing positive plate is conveyed into the positive plate turnover jig 19 through the single-shaft adjustable-interval conveying belt mechanism 123 after being manufactured, the bag-sealing positive plate is accurately positioned by matching the positive plate and the negative plate, powerful guarantee is provided for subsequent quick lamination, the negative plate is conveyed into the negative plate turnover jig 20 through the single-shaft adjustable-interval conveying belt mechanism 123 after being manufactured, when the turnover jig is fully loaded, the transferring mechanism 16 at the jig feeding end 126 transfers the positive plate turnover jig 19 and the negative plate turnover jig 20 to the positive plate jig conveying belt 12 and the negative plate jig conveying belt 14 respectively in an electromagnetic suction mode or a mechanical arm mode, in the, the positive pole piece jig conveying line 12 and the negative pole piece jig conveying line 14 respectively convey a positive pole piece turnover jig 19 and a negative pole piece turnover jig 20 to a jig discharging end 127, when the turnover jigs reach the jig discharging end, the first jig transfer mechanism 154 firstly transfers the positive pole piece turnover jig 19 to a stacking platform 152 (jig insertion station 1510), the second jig transfer mechanism 155 drives the negative pole piece turnover jig 20 to be inserted into the positive pole piece turnover jig 19, the stacking platform 152 descends to a jig separation station 1511, a pole piece positioning mechanism enters the turnover jig to position a pole piece, the first empty jig recovery transfer mechanism 156 and the second empty jig recovery transfer mechanism 157 simultaneously separate the positive pole piece turnover jig 19 and the negative pole piece turnover jig 20 and transfer the positive pole piece turnover jig to the positive pole piece jig conveying line 12 and the negative pole piece jig conveying line 14, and sealed positive pole pieces and negative pole pieces are stacked on the stacking platform 152 in a positive-negative-positive staggered mode, the electric core taking-out mechanism 158 extends into the stacking platform 152 to take out a bare electric core, the no-load turnover jig is returned to the jig feed end by the positive pole piece jig conveying line 12 and the negative pole piece jig conveying line 14, and the no-load jig is pushed to the pole piece discharge end by the jig pushing-out mechanism 128 to continue collecting pole pieces.

Bare cell 83 manufactured by the production line comprises at least one layer of negative pole piece 82 and one layer of positive pole piece 81 which are stacked together in a staggered manner; one side of positive plate has anodal utmost point ear, one side of negative pole piece has negative pole utmost point ear, the cladding of the positive plate outside has anodal insulating film, and under the conventional conditions, negative pole piece 82 is more one slice than positive plate 81, and first slice is negative pole piece 82 promptly, and last slice also is negative pole piece 82. The positive electrode tab 81 may be one more than the negative electrode tab 82.

The beneficial effects of the utility model reside in that: the utility model discloses a turnover tool can be very convenient accurately with the cross cutting after or the cross cutting envelope pole piece collect fast, through taking out the piling up of disposable completion multilayer pole piece of turnover tool. Fast, accurate and save people and energy.

The above embodiments are only for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made by the technical solution of the present invention by those skilled in the art are all within the scope of the present invention as defined by the claims.

Claims

1. The utility model provides a tool of collection battery sheet which characterized in that: including roof, a plurality of plywood and the bottom plate that from top to bottom sets gradually, the plywood interval is greater than plywood and two sheet thickness sums, roof and bottom plate all be equipped with crisscross alternate fork strip and recess.

2. The tool of claim 1 for collecting battery pole pieces, wherein: the top plate, the plurality of laminates and the bottom plate are combined in a pressing and buckling mode through the buckling female piece and the locking bolt.

3. The tool of claim 1 for collecting battery pole pieces, wherein: the laminated board is provided with a laminated board base plate below, and the laminated board base plate can be of an integrated structure or of a two-piece structure.

4. The tool of claim 1 for collecting battery pole pieces, wherein: the top plate and the bottom plate are formed into a fork shape by connecting a first frame strip, a second frame strip and a third frame strip end to end, the first frame strip and the third frame strip are arranged on two sides of the second frame strip, and the second frame strip extends towards the opening and is provided with a plurality of fork strips and/or grooves.

5. The tool of claim 1 for collecting battery pole pieces, wherein: the laminate is provided with at least one recess having an opening.

6. The tool of claim 4 for collecting battery pole pieces, wherein: the length of the fork strip is greater than that of the first frame strip and that of the second frame strip.

7. The utility model provides a pile up combination tool of battery sheet which characterized in that: including first tool and second tool, the second tool inserts with first tool staggered floor and closes or separate the exclusive use, first tool has first roof and first bottom plate, first roof and first bottom plate all are equipped with crisscross alternate first fork strip and first recess, the second tool has second roof and second bottom plate, second roof and second bottom plate all are equipped with crisscross alternate with first fork strip and the second recess and the second fork strip of first recess shape adaptation, when first tool and second tool staggered floor insert, first recess and second recess form the space of keeping away of second fork strip and first fork strip.

8. The assembled jig for stacking battery pole pieces as claimed in claim 7, wherein: when this tool is used for just, the crisscross pile up of negative pole piece, after the first tool and the second tool staggered floor that have collected positive plate and negative pole piece respectively inserted and close, unsmooth concatenation is realized in the cooperation of first tool and second tool, or is arranged in the cross cutting lamination all-in-one to be used alone, and positive plate and negative pole piece are collected on every layer.