CN212094554U - Cutting device for battery core tab - Google Patents

Abstract

The utility model relates to a cutting device for a battery core lug, which comprises a conveying part, a battery core feeding part, a lug flattening part, a positioning part, a cutting part and a discharging part; the battery cell loading part is used for placing a battery cell to the conveying part; the conveying part drives the battery cell to sequentially pass through the lug flattening part, the positioning part and the cutting part to reach the blanking part; the lug leveling part levels the lugs; the positioning part positions the lug; the cutting part cuts the polar ears; the discharging part separates the battery cell from the discharging end of the conveying part for discharging; the conveying part comprises a battery cell fixing jig, a chain mechanism, a driving mechanism and a first clamp opening mechanism; the battery cell fixing jig is arranged on the chain mechanism; the driving mechanism drives the chain mechanism to rotate, and the chain mechanism drives the battery cell fixing jig to circularly move; the first clamp opening mechanism is configured to open the battery cell fixing jig to fix the battery cell. The conveying part of the utility model can realize circular feeding and discharging, and has high production efficiency; the battery cell fixing jig can be automatically opened and closed, and automation is realized.

Description

Cutting device for battery core tab

Technical Field

The utility model relates to a lithium cell manufacture equipment and manufacturing method, specifically speaking are electric core utmost point ear cutting device.

Background

When manufacturing the lithium cell, need carry out the flattening and cut to the utmost point ear of single electric core, consequently need carry utmost point ear cutting station with electric core.

The traditional method for conveying the battery cell by the battery cell tab cutting device is to fix the battery cell on a jig, and convey the battery cell by pushing the jig from back to front through a driving mechanism; after the battery cell is moved away from the jig, the empty jig is conveyed to the front passage in a lifting and circulating mode. The cell conveying method cannot be operated circularly, and conveying efficiency is low, so that production efficiency of the cell tab cutting device is low.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the problem that current electric core utmost point ear cutting device is inefficiency, provide an efficient electric core utmost point ear cutting device.

The utility model provides an electricity core utmost point ear cutting device's technical scheme as follows: the utility model provides an electricity core utmost point ear cutting device, includes transport portion, electric core material loading portion, utmost point ear flattening portion, location portion, cutting portion and unloading portion, wherein: the battery cell loading part is arranged at the loading end of the conveying part so as to place a battery cell to the loading end of the conveying part; the conveying part drives the battery cell placed at the feeding end to sequentially pass through the lug flattening part, the positioning part and the cutting part to reach the discharging part; the lug flattening part is used for flattening the lugs of the battery cell which are conveyed to the lug flattening part by the conveying part; the positioning part is used for positioning the lug of the battery cell after the lug flattening part is flattened; the cutting part cuts the lug of the battery cell conveyed to the cutting part according to the positioning information of the positioning part; the discharging part separates the battery cell from the discharging end of the conveying part for discharging; wherein: the conveying part comprises a battery cell fixing jig, a chain mechanism, a driving mechanism and a first clamp opening mechanism; the plurality of battery cell fixing clamps are sequentially and fixedly arranged on the chain mechanism; the driving mechanism is in transmission connection with the chain mechanism and is configured to drive the chain mechanism to rotate, and the rotating chain mechanism drives the battery cell fixing jig to circularly move; the first clamp opening mechanism is arranged at the feeding end of the chain mechanism and is configured to open the battery cell fixing jig at the feeding end so as to fix the battery cell needing to be fed into the battery cell fixing jig.

The conveying part of the battery cell lug cutting device drives the battery cell to move through the rotation of the chain, the charging and discharging of the battery cell can be circularly realized, the production efficiency is high, and the field space is saved; the battery cell fixing jig is designed to be opened and closed under the driving of the opening and clamping mechanism, so that the automation of battery cell assembling and disassembling can be realized, and the efficiency is improved.

Further, the battery cell fixing jig comprises a bottom plate, a first clamping plate, a second clamping plate, a slide rail, a clamping plate mounting block, a tension spring and a connecting piece; the battery cell fixing jig comprises a bottom plate, a first clamping plate, a sliding rail, a clamping plate mounting block, a second clamping plate, a tension spring, a connecting piece and a chain mechanism, wherein the first clamping plate is fixedly mounted on the bottom plate; the extension spring makes the second splint be close to first splint, and the second splint is close to or is kept away from first splint under the drive of first split collet mechanism.

The battery cell fixing jig adopts the matching of a slide rail and a tension spring to realize the opening and closing function, and has simple structure and low cost; the battery cell fixing jig is fixed on the chain through the connecting piece, so that the battery cell fixing jig is convenient to install and disassemble.

Furthermore, an inclined plane is arranged on the clamping plate mounting block, and the inclined plane enables the clamping plate mounting block to move along the sliding rail under the driving of the first clamping opening mechanism.

Through set up the inclined plane on the splint installation piece at the fixed tool of electric core, realize opening and shutting of splint, simple structure, ingenious, processing is convenient.

Further, install the guide rail on the chain mechanism, install the guide pulley on the fixed tool of electricity core, the guide pulley is installed on the guide rail and is followed the guide rail operation.

Guide rail and guide pulley constitution guiding mechanism for lead to the fixed tool of electricity core, guarantee that the fixed tool of electricity core can not squint in the motion process.

The conveying part further comprises a regulating mechanism arranged at the feeding end of the chain mechanism, and the regulating mechanism is arranged at the rear station of the first clamping opening mechanism and used for regulating the battery cell on the battery cell fixing jig; the regulating mechanism comprises a regulating cylinder and a regulating plate, the regulating plate is arranged on a movable part of the regulating cylinder, and an opening opposite to the battery cell pole piece is formed in the regulating plate.

The battery cell is regulated by arranging the regulating mechanism at the feeding end of the conveying part, so that the spatial position of the battery cell is ensured, and the accuracy of subsequent cutting is facilitated; the regular plate is provided with an opening, so that the interference between the regular plate and the battery cell pole piece can be avoided.

Further, regular mechanism includes two regular boards, and two regular boards act on two adjacent electric cores simultaneously.

The regular mechanism adopts two regular boards to regular two electric cores simultaneously, and can improve regular efficiency.

Furthermore, first division of pressing from both sides mechanism is including opening press from both sides cylinder, gyro wheel mounting panel and division and press from both sides the gyro wheel, opens and press from both sides the gyro wheel and install on the gyro wheel mounting panel, and the gyro wheel mounting panel is installed on the movable part of opening the clamp cylinder.

The clamp opening mechanism adopts the clamp opening cylinder and the clamp opening roller, and has simple structure and low cost.

Further, the battery cell feeding part comprises two groups of feeding suckers; two sets of material loading sucking discs material loading two electric cores simultaneously.

Two feeding mechanisms are adopted in the battery cell feeding part, and each feeding mechanism absorbs two battery cells at each time, so that the feeding efficiency can be improved.

Furthermore, the blanking part comprises a detection part, a qualified piece caching part, a defective piece storage part, a first blanking part and a second blanking part; the detection part detects the electrode lugs of the battery cells cut by the cutting part, the qualified piece caching part is used for temporarily storing the battery cells detected to be qualified by the detection part, and the defect piece storage part is used for storing the battery cells detected to be unqualified by the detection part; the first blanking part is configured to convey part of the cells detected to be qualified by the detection part on the conveying part to the qualified piece caching part, and convey the cells detected to be unqualified by the detection part on the conveying part to the defective piece storage part; the second blanking part is configured to convey part of the cells detected to be qualified by the detection part on the conveying part and the cells on the qualified piece caching part to a subsequent station.

The two types of blanking parts are adopted, so that qualified products and unqualified products are respectively treated, and the subsequent procedures are convenient to treat.

Further, the cutting portion includes two, and two cutting portions set gradually along the direction of delivery of conveying portion, and two cutting portions correspond respectively in proper order according to the location result of location portion and cut the utmost point ear of one of two adjacent electric cores not yet cut.

Two cutting portions are adopted, two battery cores can be processed at a time, and cutting efficiency is improved.

Drawings

Fig. 1 is the utility model provides an electricity core utmost point ear cutting device's spatial structure sketch map.

Fig. 2 is a top view of fig. 1.

Fig. 3 is a perspective view of the conveying unit shown in fig. 1.

Fig. 4 is a schematic perspective view of fig. 3 from another angle.

Fig. 5 is a schematic perspective view of the battery cell fixing jig in fig. 3.

Fig. 6 is an exploded view of fig. 5.

Fig. 7 is a partially enlarged view of the guide mechanism in fig. 3.

Fig. 8 is a schematic perspective view of the first opening mechanism and the regulating mechanism in fig. 3.

Fig. 9 is a perspective view of fig. 8 from another angle.

Fig. 10 is a schematic perspective view of the cell loading part in fig. 1.

Fig. 11 is a schematic perspective view of the tab flattening portion in fig. 1.

Fig. 12 is a side view of fig. 11.

Fig. 13 is a schematic perspective view of the cutting portion in fig. 1.

Fig. 14 is a side view of fig. 13.

Fig. 15 is a schematic perspective view of the first blanking portion in fig. 1.

Fig. 16 is a schematic perspective view of the defective storage portion of fig. 1.

Fig. 17 is a schematic perspective view of the qualified piece buffer unit in fig. 1.

Fig. 18 is a perspective view of fig. 17 from another angle.

Fig. 1 to 18 include: the battery cell tab cutting device comprises a battery cell tab cutting device 1, a battery cell 100 and a tab 101;

a conveying section 10;

the battery cell fixing jig comprises a battery cell fixing jig 11, a bottom plate 111, a first clamping plate 112, a second clamping plate 113, a sliding rail 114, a clamping plate mounting block 115, an inclined plane 1151, a tension spring 116, a connecting piece 117, a cover plate 118 and a guide wheel 119;

the chain mechanism 12 and the connecting block 121;

a drive mechanism 13;

the first clamp opening mechanism 14, the clamp opening cylinder 141, the roller mounting plate 142 and the clamp opening roller 143;

the regulating mechanism 15, the regulating cylinder 151, the regulating plate 152 and the gap 153;

a guide rail 16;

a cell loading section 20;

the device comprises a feeding sucker 21, a feeding beam 22, a feeding traversing mechanism 23, a feeding lifting mechanism 24 and a mounting plate 25;

a tab flattening portion 30;

the pressing plate seat 31, the lower pressing plate 32, the upper pressing block 33, the pressing block driving mechanism 34 and the manual adjusting mechanism 35 are used for positioning the part 40;

a cut-out portion 50;

a translation mechanism 51, a translation motor 511 and a translation slide rail 512;

the cutting mechanism 52, a cutter holder 521, an upper cutter 522, a lower cutter 523, a cutter driving mechanism 524, an upper mold holder 525 and a lower mold holder 526;

a pressing mechanism 53, an adjusting slide rail 54 and a hopper 55;

a detection unit 60;

a blanking part 70;

a first blanking part 71, a blanking beam 711, a blanking traversing mechanism 712, a blanking lifting mechanism 713 and a blanking sucker 714;

a second blanking portion 72;

a defective part storage section 73, a conveyor belt 731, a motor mount 732;

a qualified piece buffer unit 74, a buffer platform 741, a buffer transfer mechanism 742, and a buffer translation mechanism 743.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.

The utility model relates to an electricity core utmost point ear cutting device for carry electric core and carry out the flattening and cut the utmost point ear of electric core.

Fig. 1 to 2 show an alternative embodiment of a cell tab cutting device 1, fig. 1 being a perspective view of the device, and fig. 2 being a top view of the device. The battery core tab cutting device 1 comprises a conveying part 10, a battery core feeding part 20, a tab flattening part 30, a positioning part 40, a cutting part 50 and a discharging part 70.

The conveying section 10 is used to convey the battery cells 100.

The cell loading section 20 is provided at the loading end of the conveying section 10 to place the battery cells 100 toward the loading end of the conveying section 10.

The conveying part 10 drives the battery cell 100 placed at the feeding end to sequentially pass through the tab flattening part 30, the positioning part 40 and the cutting part 50 to reach the discharging part 70.

The tab flattening portion 30 flattens the tab 101 of the battery cell 100 located at the position where the conveying portion 10 conveys the battery cell to the tab flattening portion 30, so as to facilitate subsequent cutting.

The positioning portion 40 positions the tab 101 of the battery cell 100 flattened by the tab flattening portion 30, so as to facilitate cutting. Alternatively, the positioning section 40 is visually detected by a camera.

The cutting portion 50 cuts the tab 101 of the battery cell 100 conveyed to the cutting portion 50 according to the positioning information of the positioning portion 40.

The blanking unit 70 separates the battery cells 100 from the discharge end of the conveying unit 10.

Fig. 3 to 4 show an alternative embodiment of the conveyor 10, fig. 3 being a perspective view from one perspective of the element and fig. 4 being a perspective view from another perspective of the element. The conveying unit 10 includes a cell fixing jig 11, a chain mechanism 12, a driving mechanism 13, and a first unclamping mechanism 14.

The battery cell fixing jig 11 is provided with a plurality of battery cells, and is sequentially and fixedly installed on the chain mechanism 12 and moves along with the chain mechanism. After the battery core is loaded and before the battery core is discharged, the battery core is in a clamping state of the jig, and deviation can not occur.

The driving mechanism 13 is in transmission connection with the chain mechanism 12 and configured to drive the chain mechanism 12 to rotate, and the rotating chain mechanism 12 drives the battery cell fixing jig 11 to move circularly.

The first clip opening mechanism 14 is installed at the feeding end of the chain mechanism 12, located at one side of the chain mechanism 12, and configured to open the battery cell fixing jig 11 at the feeding end to fix the battery cell 100 to be fed into the battery cell fixing jig 11.

The battery core lug cutting device 1 drives the battery core 100 to move through the rotation of the chain, the loading and the unloading of the battery core 100 can be circularly realized, the production efficiency is high, and the field space is saved; the battery cell fixing jig 11 is designed to be openable and closable under the driving of the opening and clamping mechanism, so that the automation of assembling and disassembling the battery cell 100 can be realized, and the efficiency is improved.

Optionally, the cell loading unit 20 steps two cells at a time, and the conveying unit 10 steps the positions of the two cells at a time when conveying the cells, so as to increase the tempo.

Optionally, a second unclamping mechanism is arranged at the discharging end of the chain mechanism 12, and the second unclamping mechanism is used for opening the battery cell fixing jig 11 to discharge the battery cell. And the empty jig after blanking is returned to the material loading position.

Fig. 5 to 6 show an alternative embodiment of a cell fixing jig 11, fig. 5 is a perspective view of the jig from one viewing angle, and fig. 6 is an exploded view of the jig. The battery cell fixing jig 11 includes a bottom plate 111, a first clamping plate 112, a second clamping plate 113, a slide rail 114, a clamping plate mounting block 115, a tension spring 116, and a connecting member 117.

The first clamping plate 112 is fixedly arranged on the bottom plate 111, the sliding rail 114 is fixedly arranged on the bottom plate 111, the clamping plate mounting block 115 is movably arranged on the sliding rail 114, the second clamping plate 113 is fixedly arranged on the clamping plate mounting block 115 and is opposite to the first clamping plate 112, and the tension spring 116 is arranged between the bottom plate 111 and the clamping plate mounting block 115. A cover plate 118 is further mounted above the tension spring 116 and the clamping plate mounting block 115, the cover plate 118 is connected to the bottom plate 111 through bolts, and the cover plate 118 is used for carrying the battery cells 100. The connecting member 117 is mounted on the bottom plate 111, and is used for fixedly mounting the cell fixing jig 11 on the chain mechanism 12.

The tension spring 116 causes the second clamp plate 113 to approach the first clamp plate 112, and the second clamp plate 113 approaches or moves away from the first clamp plate 112 by the driving of the first unclamping mechanism 14. The cell fixing jig 11 is in a clamping state under the action of the tension spring 116, and when the clamping roller of the first clamping mechanism 14 is inserted into the jig, the clamping plate is opened; when the clamp opening roller of the clamp opening mechanism 14 is withdrawn from the jig, the clamp plate returns to the clamping state.

The cell fixing jig 11 adopts the slide rail 114 and the tension spring 116 to realize the opening and closing function, and has simple structure and low cost; the battery cell fixing jig 11 is fixed on the chain through the connecting piece 117, so that the battery cell fixing jig is convenient to install and disassemble.

Optionally, an inclined surface 1151 is arranged on the clamping plate mounting block 115, and the inclined surface 1151 enables the clamping plate mounting block 115 to move along the sliding rail 114 under the driving of the first clamping opening mechanism 14, so as to control the electrical core fixing jig 11 to open.

Through set up inclined plane 1151 on the splint installation piece 115 at the fixed tool 11 of electric core, realize opening and shutting of splint, simple structure, ingenious, processing is convenient.

Alternatively, as shown in fig. 7, a guide rail 16 is installed on the chain mechanism 12, a guide wheel 119 is installed on the battery cell fixing jig 11, and the guide wheel 119 is installed on the guide rail 16 and runs along the guide rail 16. The guide wheels 119 are four in number and divided into two pairs. The guide wheels 119 are matched with the guide rails 16 on the conveying part 10 to ensure that the jig does not deviate in the movement process. To facilitate adjustment and improve compatibility, the guide rollers 119 are eccentric wheels, and are fixed after the position of each pair of guide rollers is adjusted. The connecting block 121 in fig. 7 is used to connect with the connecting member 117, so as to fix the cell fixing jig 11 on the chain mechanism 12.

The guide rail 16 and the guide wheel 119 form a guide mechanism for guiding the cell fixing jig 11, so as to ensure that the cell fixing jig 11 does not deviate in the movement process.

As shown in fig. 8 and 9, an alternative embodiment of the first unclamping mechanism 14 includes an unclamping cylinder 141, a roller mounting plate 142, and an unclamping roller 143, wherein the unclamping roller 143 is mounted on the roller mounting plate 142, and the roller mounting plate 142 is mounted on a movable part of the unclamping cylinder 141.

The clamp opening cylinder 141 drives the clamp opening roller 143 to move, and the clamp opening roller 143 is matched with the clamp plate mounting block 115 to control the clamp plate of the battery cell fixing jig 11 to open.

The clamp opening mechanism adopts the clamp opening cylinder 141 and the clamp opening roller 143, and has simple structure and low cost.

Optionally, the conveying section 10 further comprises a regulating mechanism 15 disposed at the feeding end of the chain mechanism 12. As shown in fig. 8 and 9, the regulating mechanism 15 is installed at a subsequent station of the first unclamping mechanism 14, and is configured to regulate the battery cells 100 on the battery cell fixing jig 11. As shown in FIG. 3, two regulating mechanisms 15 are provided, one on each side of the chain mechanism 12.

The regulating mechanism 15 includes a regulating cylinder 151 and a regulating plate 152, the regulating plate 152 is mounted on a movable part of the regulating cylinder 151, and the regulating plate 152 is provided with a notch 153 opposite to the pole piece of the battery cell 100. Regular cylinder 151 drives regular plate 152 to move, and regular plate 152 is used for arranging electric core after electric core feeding portion 20 puts down the electric core.

The battery cell is regulated by arranging the regulating mechanism 15 at the feeding end of the conveying part 10, so that the space position of the battery cell is ensured, and the accuracy of subsequent cutting is facilitated; the regular plate 152 is provided with a notch 153, which can avoid interference between the regular plate 152 and the cell pole piece.

Optionally, the regulating mechanism 15 includes two regulating plates 152, and the two regulating plates simultaneously act on two adjacent battery cells 100.

The regulating mechanism 15 adopts two regulating plates 152 to regulate two electrical cores simultaneously, and can improve regulating efficiency.

Optionally, another first clip opening mechanism 14 can be arranged at the subsequent station of the regulating mechanism 15. Two sets of first clamping mechanisms 14 are adopted, two battery cells 100 can be loaded at a time, and the loading efficiency of the battery cells 100 is improved.

The first opening and clamping mechanism 14 and the regulating mechanism 15 operate as follows: open and press from both sides gyro wheel 143 and insert electric core fixing jig 11 earlier, the tool opens, and electric core material loading portion 20 is put electric core on the tool, and regular board 152 is regular to electric core again, and open and press from both sides gyro wheel 143 after regular finishing and withdraw from, regular board normal position.

Fig. 10 shows an alternative embodiment of the cell loading part 20, and fig. 10 is a perspective view of the component from one perspective. The battery core loading part 20 comprises two groups of loading suckers 21; two sets of material loading sucking discs 21 simultaneously material load two electric cores 100.

The battery cell loading part 20 comprises a loading cross beam 22, a loading transverse moving mechanism 23, a loading lifting mechanism 24 and a loading sucker 21; the feeding sucker 21 is arranged on a feeding lifting mechanism 24, the feeding lifting mechanism 24 is arranged on a feeding transverse moving mechanism 23, and the feeding transverse moving mechanism 23 is arranged on a feeding cross beam 22. The feeding traversing mechanism 23 drives the feeding lifting mechanism 24 to move horizontally, the feeding lifting mechanism 24 drives the feeding sucker 21 to move up and down, and the feeding sucker 21 is used for sucking the battery core 100.

The battery cell loading part 20 is matched with the lifting mechanism by adopting a transverse moving mechanism, so that the spatial position of the battery cell 100 can be flexibly adjusted, and the loading is convenient.

Optionally, the battery cell loading portion 20 employs two loading mechanisms, each loading mechanism includes two sets of loading suckers 21, and each loading mechanism absorbs two battery cells 100 at a time, so that the loading efficiency can be improved. Two feed mechanisms are installed on the same mounting panel 25, and mounting panel 25 passes through the drive of material loading sideslip mechanism 23, and material loading sucking disc 21 realizes the up-and-down motion through material loading elevating system 24. Alternatively, the feeding traversing mechanism 23 is driven by a motor, and the feeding lifting mechanism 24 is driven by a cylinder.

Fig. 11 to 12 show an alternative embodiment of the tab flattening portion 30, fig. 11 being a perspective view of the component and fig. 12 being a side view of the component. The tab flattening part 30 comprises a pressing plate seat 31, a lower pressing plate 32, an upper pressing block 33 and a pressing block driving mechanism 34, wherein the lower pressing plate 32 is fixedly arranged on the pressing plate seat 31, and the upper pressing block 33 is connected to the pressing block driving mechanism 34 and is positioned above the lower pressing plate 32; the pressing block driving mechanism 34 drives the upper pressing block 33 to move relative to the lower pressing plate 32.

The tab flattening part 30 adopts a pressing block and pressing plate structure, and is simple, reliable and low in cost.

Optionally, the press block driving mechanism 34 adopts an air cylinder, the air cylinder controls the upper press block 33 to press down, the pole lug is pressed flatly, and 2 electric cores which are conveyed step by step are pressed flatly each time.

Optionally, a manual adjusting mechanism 35 is further provided below the platen base 31. The manual adjusting mechanism 35 includes a hand wheel, a screw mechanism, a slider and a slide rail. The pressing plate seat 31 is in sliding fit on the sliding rail through a sliding block, the hand wheel is connected to the screw rod mechanism, and the screw rod mechanism is installed on the pressing plate seat 31. The hand wheel is rotated to drive the platen seat 31 to slide along the slide rail through the screw rod mechanism, so that the position of the platen seat 31 is adjusted.

The manual adjusting mechanism 35 adopts manual adjustment, the position precision requirement is not high, and the locking is carried out after the adjustment is finished.

Fig. 13 to 14 show an alternative embodiment of the cut-out 50, fig. 13 being a perspective view of the component and fig. 14 being a side view of the component. The cutting part 50 comprises a translation mechanism 51, a cutting mechanism 52 and a pressing mechanism 53; the cutting mechanism 52 is arranged on the translation mechanism 51, and the pressing mechanism 53 is arranged on the cutting mechanism 52; the translation mechanism 51 drives the cutting mechanism 52 to translate to a cutting station, the pressing mechanism 53 is used for pressing the tab 101 to be cut, and the cutting mechanism 52 is used for cutting the tab 101.

Optionally, the pressing mechanism 53 includes a pressing plate and a pressing cylinder, the pressing cylinder drives the pressing plate to move, and the tab is pressed before cutting.

Cutting portion 50 will cut mechanism 52 and remove the utmost point ear position through translation mechanism 51, cuts again after compressing tightly the utmost point ear through hold-down mechanism 53, and utmost point ear can not remove when cutting, has improved the qualification rate that cuts.

Alternatively, the cutting mechanism 52 includes a tool rest 521, an upper cutter 522, a lower cutter 523, and a cutter driving mechanism 524. The lower cutter 523 is fixedly mounted on the lower die holder 526, and the lower die holder 526 is fixedly mounted on the knife holder 521. The upper cutter 522 is fixedly arranged on an upper die holder 525, the upper die holder 525 is connected on a cutter driving mechanism 524 and is positioned above the lower cutter 523, and the cutter driving mechanism 524 is arranged on a cutter holder 521. The cutter driving mechanism 524 drives the upper cutter 522 to move relative to the lower cutter 523. Alternatively, the cutter driving mechanism 524 employs an air cylinder.

The cutting mechanism 52 adopts the upper cutter 522 to match with the lower cutter 523, the structure is simple, and the lower cutter 523 is fixed, so that the stability is high.

Optionally, the tool apron 521 is mounted on a vertically extending adjustment slide 54, the adjustment slide 54 being mounted on the translation mechanism 51. The height of the cutting mechanism 52 is adjusted in advance, and the tool apron 521 is locked on the adjusting slide rail 54 after the adjustment is completed.

Optionally, the translation mechanism 51 includes a translation motor 511 and a translation slide rail 512, the cutting mechanism 52 is mounted on the translation slide rail 512, and the translation motor 511 controls the cutting mechanism 52 to slide on the translation slide rail 512 by a corresponding distance according to the tab position information fed back by the front positioning portion 40.

Optionally, a hopper 55 is installed below the lower cutter 523 to collect the cut tab material.

When the cutting part 50 is in an original state, the upper cutter 522 and the lower cutter 523 are separated, a gap is formed between the upper cutter 522 and the lower cutter 523, after the translation motor 511 drives the cutting mechanism 52 to move in place, the pressing mechanism 53 presses the tabs, the cutter driving mechanism 524 drives the upper die holder 525 to move downwards, so that the upper cutter 522 moves towards the lower cutter 523 to realize cutting, after the cutting is finished, the upper die holder 525 ascends, and the pressing block of the pressing mechanism 53 ascends.

Optionally, as shown in fig. 1 and fig. 2, the cutting portion 50 includes two cutting portions 50, the two cutting portions 50 are sequentially arranged along the conveying direction of the conveying portion 10, and the two cutting portions 50 respectively correspondingly cut the tab 101 of one of the two adjacent battery cells 100 that have not been cut in sequence according to the positioning result of the positioning portion 40.

Two cutting portions 50 are adopted, two battery cores 100 can be processed at a time, and cutting efficiency is improved.

Optionally, the cutting portion 50 is divided into two pairs of cutting devices, and each pair of cutting devices cuts the tabs on two sides of one battery cell. For example, the first pair of cutting devices cuts the tab of the second cell, and after the conveying portion 10 is stepped, the second pair of cutting devices cuts the tab of the first cell.

As shown in fig. 1 and 2, an alternative embodiment of the blanking portion 70 includes a detection portion 60, a qualified piece buffer portion 74, a defective piece storage portion 73, a first blanking portion 71, and a second blanking portion 72.

The detection unit 60 detects the tab 101 of the battery cell 100 cut by the cutting unit 50, and detects the cutting condition of the tab 101.

The qualified piece buffer unit 74 is used for temporarily storing the battery cells 100 qualified through the detection unit 60, and the defective piece storage unit 73 is used for storing the battery cells 100 unqualified through the detection unit 60.

The first blanking portion 71 is configured to sort the cut cells, and is configured to convey a portion of the cells 100 on the conveying portion 10 that are detected as being acceptable by the detection portion 60 to the acceptable-piece buffer portion 74, and convey a portion of the cells 100 on the conveying portion 10 that are detected as being unacceptable by the detection portion 60 to the defective-piece storage portion 73.

The second blanking portion 72 is configured to convey the qualified product to a next station, and is configured to convey the partial battery cells 100 detected to be qualified by the detection portion 60 on the conveying portion 10 and the battery cells 100 on the qualified product buffer portion 74 to a next station. In this embodiment, the second blanking portion 72 is in the form of a robot and a suction cup.

The blanking part is provided with the detection part 60, so that whether tab cutting is qualified or not can be detected on line, and the compactness of the arrangement is improved. Alternatively, the detection section 60 performs visual detection by a camera.

The two types of the blanking parts 70 are adopted, and qualified products and unqualified products are respectively processed, so that the subsequent process treatment is facilitated. When the two battery cells are qualified, the second blanking part 72 carries away the qualified battery cells at the discharging position of the conveying part 10; when an unqualified product appears, the first blanking portion 71 transports the unqualified battery cell to the defective part storage portion 73, transports the qualified battery cell to the qualified part cache portion 74, and when the qualified part cache portion 74 stores enough qualified parts, the second blanking portion 72 transports the qualified battery cell to a next station at the discharge position of the qualified part cache portion 74.

Fig. 15 shows an alternative embodiment of the first blanking portion 71. The first blanking part 71 comprises a blanking beam 711, a blanking traversing mechanism 712, a blanking lifting mechanism 713 and a blanking sucker 714; the blanking sucker 714 is mounted on the blanking lifting mechanism 713, the blanking lifting mechanism 713 is mounted on the blanking traversing mechanism 712, and the blanking traversing mechanism 712 is mounted on the blanking beam 711. The blanking traversing mechanism 712 drives the blanking lifting mechanism 713 to move horizontally, the blanking lifting mechanism 713 drives the blanking sucker 714 to move up and down, and the blanking sucker 714 is used for sucking the battery cell 100. Optionally, the blanking chuck 714 sucks two cells 100 at a time, regardless of whether there is an unqualified part therein.

The first blanking portion 71 is matched with the lifting mechanism by adopting a transverse moving mechanism, so that the space position of the battery cell can be flexibly adjusted, and blanking is facilitated.

Alternatively, the blanking traversing mechanism 712 adopts a motor, and the blanking lifting mechanism 713 adopts an air cylinder.

Optionally, according to the actual discharging and conveying condition, a rotary cylinder can be additionally arranged, so that the subsequent conveying of the battery cell is facilitated.

Fig. 16 shows an alternative embodiment of the defective element storage section 73. The defective part storage unit 73 includes a conveying belt 731, and the conveying belt 731 is driven by a motor to output an unqualified battery cell. The motor is mounted on the motor mount 732.

Fig. 17 to 18 show an alternative embodiment of the qualified piece buffer 74, fig. 1 is a perspective view from one perspective of the member, and fig. 18 is a perspective view from another perspective of the member. The qualified piece caching part 74 comprises a caching platform 741, a caching carrying mechanism 742 and a caching translation mechanism 743; a plurality of intervals are arranged on the cache platform 741, and are used for caching the battery cells 100 and separately placing each battery cell; the buffer translation mechanism 743 is installed at the lower part of the buffer platform 741, and the buffer carrying mechanism 742 is installed on the buffer translation mechanism 743; the buffer transport mechanism 742 is lifted up to jack up the cell 100 on the buffer platform 741, and after the buffer translation mechanism 743 drives the buffer transport mechanism 742 to move horizontally to a proper position, the buffer transport mechanism 742 descends to place the cell 100 on the buffer platform 741.

The qualified product buffer 74 combines a transport mechanism and a translation mechanism, so as to collect a predetermined number of finished products for transporting to a subsequent process.

The qualified piece caching part 74 is mainly used for caching qualified pieces when one of the electric cores sucked by the first blanking part 71 is a qualified piece and one of the electric cores is a non-qualified piece, and when the qualified pieces meet the quantity requirement, the second blanking part 72 takes away the two electric cores.

Optionally, the buffer handling mechanism 742 comprises a top plate and a jacking cylinder; the buffer translation mechanism 743 includes a driving motor and a slide rail, and the driving motor drives the carrying mechanism to move back and forth along the slide rail. When the qualified piece caching part 74 works, the jacking cylinder rises, the top plate jacks up the battery core, the driving motor drives the caching transport mechanism 742 to move forward, the jacking cylinder descends after the battery core is in place, and the battery core is placed on the previous caching position.

The utility model discloses electric core utmost point ear cutting device 1's application method includes: opening the battery cell fixing jig 11 at the feeding station of the chain mechanism 12, placing the battery cell 100 in the battery cell fixing jig 11, and clamping and fixing the battery cell 100; the driving chain mechanism 12 is used for sequentially conveying the battery cell 100 from the feeding station to a lug leveling station, a positioning station, a cutting station and a discharging station; leveling the tab 101 of the battery cell 100 at a tab leveling station; positioning a tab 101 of the battery cell 100 at a positioning station to obtain positioning information; cutting the tab 101 of the battery cell 100 at a cutting station according to the positioning information; and blanking the battery core 100 with the cut tab 101 from a blanking station.

The battery cell tab cutting method drives the battery cell 100 to move through the rotation of the chain, so that the charging and discharging of the battery cell 100 can be circularly realized, and the production efficiency is improved.

Optionally, the method further comprises: simultaneously feeding two battery cores 100 side by side to a feeding station; carry electric core 100 to utmost point ear flattening station, location station, cut station and unloading station in proper order from the material loading station, include: the two battery cores 100 are simultaneously and sequentially conveyed from a loading station to a lug leveling station, a positioning station, a cutting station and a blanking station; the station of cutting includes first station and the second station of cutting, cuts the utmost point ear 101 of electric core 100 according to locating information at the station of cutting, includes: one of the two battery cells 100 is cut at a first cutting station, and the other of the two battery cells 100 is cut at a second cutting station.

Two battery cores 100 are simultaneously loaded side by side, so that two battery cores 100 can be simultaneously processed at one time, and the production efficiency can be improved in a multiplied manner.

Optionally, the unloading of electric core 100 from the unloading station after cutting utmost point ear 101 includes: detecting the two battery cores 100 obtained by cutting the tab 101 to obtain detection information; when the detection information indicates that the two battery cell 100 tabs 101 are cut to be qualified, blanking the two battery cells 100 to a subsequent station; when the detection information indicates that the two battery cell 100 tabs 101 are not qualified for cutting, blanking the two battery cells 100 to a defect part storage part 73; when the detection information indicates that one tab 101 of the two battery cells 100 is qualified in cutting and the other tab 101 of the two battery cells 100 is unqualified in cutting, the battery cells 100 with the unqualified tabs 101 are discharged to the defective part storage unit 73, the battery cells 100 with the qualified tabs 101 are discharged to the qualified part cache unit 74, and when the number of the battery cells 100 cached in the qualified part cache unit 74 reaches a preset even number, the battery cells 100 cached in the qualified part cache unit 74 are discharged to a subsequent station.

According to the different quality conditions of the two battery cores 100 after the cutting of the tab 101, different blanking modes are adopted respectively, so that the blanking can be performed orderly, the subsequent processing is convenient, and the blanking efficiency is improved.

The invention has been described above with a certain degree of particularity and detail. It will be understood by those of ordinary skill in the art that the description of the embodiments is merely exemplary and that all changes that may be made without departing from the true spirit and scope of the present invention are intended to be within the scope of the present invention. The scope of the invention is defined by the appended claims rather than by the foregoing description of the embodiments.

Claims (10)

1. The utility model provides an electricity core utmost point ear cutting device, its characterized in that, electricity core utmost point ear cutting device is including transport portion, electric core material loading portion, utmost point ear flattening portion, location portion, cutting portion and unloading portion, wherein:

the battery cell loading part is arranged at the loading end of the conveying part so as to place a battery cell at the loading end of the conveying part;

the conveying part drives the battery cell placed at the feeding end to sequentially pass through the lug flattening part, the positioning part and the cutting part to reach the discharging part;

the lug flattening part is used for flattening the lug of the battery cell which is positioned at the position where the conveying part conveys the lug flattening part;

the positioning part is used for positioning the lug of the battery cell after the lug leveling part is leveled;

the cutting part cuts the lug of the battery cell conveyed to the cutting part according to the positioning information of the positioning part;

the discharging part separates the battery cell from the discharging end of the conveying part for discharging;

wherein:

the conveying part comprises a battery cell fixing jig, a chain mechanism, a driving mechanism and a first clamp opening mechanism; the plurality of battery cell fixing clamps are sequentially and fixedly arranged on the chain mechanism; the driving mechanism is in transmission connection with the chain mechanism and is configured to drive the chain mechanism to rotate, and the rotating chain mechanism drives the battery cell fixing jig to circularly move; the first clamp opening mechanism is installed at the feeding end of the chain mechanism and configured to open the battery cell fixing jig at the feeding end so as to fix a battery cell needing to be fed into the battery cell fixing jig.

2. The battery cell tab cutting device according to claim 1, wherein the battery cell fixing jig comprises a bottom plate, a first clamping plate, a second clamping plate, a slide rail, a clamping plate mounting block, a tension spring and a connecting piece; the first clamping plate is fixedly installed on the bottom plate, the slide rail is fixedly installed on the bottom plate, the clamping plate installation block is movably installed on the slide rail, the second clamping plate is fixedly installed on the clamping plate installation block and is opposite to the first clamping plate, the tension spring is installed between the bottom plate and the clamping plate installation block, and the connecting piece is installed on the bottom plate and used for fixedly installing the battery cell fixing jig on the chain mechanism; the extension spring makes the second splint to first splint are close to, the second splint is close to or is kept away from under the drive of first split collet mechanism first splint.

3. The battery tab cutting device according to claim 2, wherein an inclined surface is disposed on the clamping plate mounting block, and the inclined surface drives the clamping plate mounting block to move along the slide rail under the driving of the first unclamping mechanism.

4. The battery core tab cutting device according to claim 1, wherein a guide rail is installed on the chain mechanism, and a guide wheel is installed on the battery core fixing jig, and the guide wheel is installed on the guide rail and runs along the guide rail.

5. The battery cell tab cutting device according to claim 1, wherein the conveying portion further includes a regulating mechanism disposed at a feeding end of the chain mechanism, and the regulating mechanism is mounted at a subsequent station of the first unclamping mechanism and is configured to regulate the battery cells on the battery cell fixing jig; the regulating mechanism comprises a regulating cylinder and a regulating plate, the regulating plate is mounted on a movable part of the regulating cylinder, and a notch opposite to the battery cell pole piece is formed in the regulating plate.

6. The cell tab cutting device of claim 5, wherein the organizing mechanism comprises two organizing plates, and the two organizing plates act on two adjacent cells simultaneously.

7. The electrical core tab cutting device of claim 1, wherein the first unclamping mechanism comprises an unclamping cylinder, a roller mounting plate and an unclamping roller, the unclamping roller is mounted on the roller mounting plate, and the roller mounting plate is mounted on a movable part of the unclamping cylinder.

8. The cell tab cutting device of claim 1, wherein the cell loading portion comprises two sets of loading suction cups; and the two groups of feeding suckers simultaneously feed two electric cores.

9. The battery core tab cutting device according to claim 1, wherein the blanking portion comprises a detection portion, a qualified piece caching portion, a defective piece storage portion, a first blanking portion and a second blanking portion; the detection part detects the lug of the battery cell cut by the cutting part, the qualified piece cache part is used for temporarily storing the battery cell detected to be qualified by the detection part, and the defect piece storage part is used for storing the battery cell detected to be unqualified by the detection part; the first blanking part is configured to convey part of the cells detected to be qualified by the detection part on the conveying part to the qualified piece cache part, and convey the cells detected to be unqualified by the detection part on the conveying part to the defective piece storage part; the second blanking part is configured to convey part of the electric cores detected to be qualified by the detection part on the conveying part and the electric cores on the qualified piece caching part to a subsequent station.

10. The battery cell tab cutting device according to any one of claims 1 to 9, wherein the two cutting portions are sequentially disposed along a conveying direction of the conveying portion, and the two cutting portions respectively correspondingly cut a tab of one of two adjacent battery cells that have not been cut in sequence according to a positioning result of the positioning portion.

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