CN114039100B

CN114039100B - Assembly production line of soft package battery

Info

Publication number: CN114039100B
Application number: CN202111309054.2A
Authority: CN
Inventors: 许礼建; 许祥麟; 胡希希
Original assignee: Hangzhou Binte Intelligent Equipment Co ltd
Current assignee: Hangzhou Binte Intelligent Equipment Co ltd
Priority date: 2021-11-05
Filing date: 2021-11-05
Publication date: 2023-12-12
Anticipated expiration: 2041-11-05
Also published as: CN114039100A

Abstract

The application relates to an assembly production line of soft package batteries, which comprises a conveyor belt, a feeding device for placing soft package batteries on the conveyor belt one by one, a tab trimming system arranged on the conveyor belt, and a turnover device for turning over corresponding batteries, wherein the tail end of the conveyor belt is provided with a conveyor roller, the turnover device is arranged on the conveyor roller, and the conveyor roller is provided with a first counting sensor for recording that the conveyor belt enters the conveyor roller. The front working procedure of welding the soft package lithium battery is automated, so that the soft package lithium battery can be quickly overlapped and the welding or bonding of the electrode lugs can be conveniently carried out according to the serial connection requirement.

Description

Assembly production line of soft package battery

Technical Field

The application relates to the field of automatic production lines, in particular to an assembly production line of a soft package battery.

Background

Lithium batteries are a type of battery using a nonaqueous electrolyte solution with lithium metal or a lithium alloy as a positive/negative electrode material. The energy-saving self-discharge lamp has the advantages of high energy ratio, long service life, low self-discharge rate, light weight and the like, and has wide application in life.

The soft package lithium battery in recent years is a leap based on the various performances of the traditional lithium battery. The body of soft packet of lithium cell is platy, and the one end of body is equipped with two pole ears that represent positive negative pole, and soft packet of lithium cell overall rigidity is not high, therefore automated production has certain difficulty.

For the above related technologies, the inventor considers that in industrial application, the voltage or the capacity of a single soft-package lithium battery often cannot meet the requirement, so that a plurality of soft-package lithium batteries need to be connected in series, in parallel or in combination, and in order to realize automatic assembly of the soft-package lithium batteries, an automation of a pre-process for welding the soft-package lithium batteries needs to be designed, so that the soft-package batteries can be quickly stacked and the welding or bonding of the tabs can be performed according to the serial requirement.

Disclosure of Invention

In order to facilitate the rapid superposition of the soft package batteries according to the serial connection requirement, the application provides an assembly production line of the soft package batteries.

The application provides an assembly production line of a soft package battery, which adopts the following technical scheme:

the utility model provides an equipment production line of soft packet of battery, includes the conveyer belt, still includes to place the soft packet of battery one by one to the loading attachment of conveyer belt, install in the utmost point ear trimming system of conveyer belt and will correspond the battery and carry out the turn-over device that turns over, wherein the end of conveyer belt is equipped with the transfer roller, turn-over device installs in the transfer roller, the transfer roller is equipped with the record and gets into the first count sensor of transfer roller by the conveyer belt.

By adopting the technical scheme, the stacked soft package batteries are placed to the conveyor belt one by the feeding device, then the stacked soft package batteries are trimmed by the tab trimming system one by one along with the conveying of the conveyor belt, the stacked soft package batteries enter the conveying roller after trimming, the soft package batteries are counted by the first counting sensor, and the turnover device selects whether the soft package batteries are to be turned over or not according to the counting condition; by taking the soft package batteries as an example, the soft package batteries can be set to turn over the passing even number of soft package batteries, and the soft package batteries can be quickly stacked no matter in a manual or automatic mode after turning over, so that the soft package batteries and the adjacent soft package batteries just correspond to anodes, and the soft package batteries can be connected in series after one group of the soft package batteries is welded, and the automation of the front working procedure of the soft package lithium battery welding is realized, so that the soft package batteries can be quickly stacked and the welding or the bonding of the lugs can be conveniently carried out according to the serial connection requirement.

Optionally, loading attachment includes the frame, is used for stacking the work or material rest of soft packet of battery, is used for lifting soft packet of battery's lifting subassembly and adsorbs soft packet of battery's absorption subassembly, the top of lifting subassembly is equipped with the translation subassembly of setting up in the frame, the translation subassembly includes the pay-off slide rail and follows the translation module that the pay-off slide rail removed, absorption subassembly carries on the translation module in the translation subassembly.

Through adopting above-mentioned technical scheme, the work or material rest can be in batches deposit the soft packet battery so that snatch fast, and adopt the lifting subassembly to carry out the lifting to the soft packet battery that stacks after the preceding soft packet battery is snatched, then can reduce, cancel the lifting amplitude of absorption subassembly after adsorbing the soft packet battery even, so can effectively reduce even avoid soft packet battery snatch the problem of the bulge that the in-process produced, avoid because excessive deformation leads to soft packet battery performance reduction's problem, and translation module then can carry soft packet battery level to next station or conveyer belt, so can realize soft packet battery's material loading automation.

Optionally, the adsorption component comprises a carrier plate and a plurality of adsorption heads penetrating through the carrier plate, the carrier plate is carried on the translation module, and the adsorption heads are externally connected and matched with an air suction source.

Through adopting above-mentioned technical scheme, the carrier plate is as the reference surface of absorption head guarantees that the position of absorption head is unanimous, and a plurality of absorption heads form the multiple spot and snatch can improve stability, reduces the empty condition of soft package.

Optionally, the work or material rest includes rotary drive spare and charging tray, the charging tray is arranged in the frame top and is driven the rotation by rotary drive spare, the upper surface of charging tray is fixed with many pole settings, and a plurality of the pole settings enclose and close and form the material district of putting that supplies the soft packet battery to stack, be provided with two at least material districts of putting on the charging tray.

Through adopting above-mentioned technical scheme, but form the material placing district of work in turn, so can incessant blowing for the material loading operation of soft packet of battery can go on in succession, improves the efficiency of automatic material loading, and adopts many poles to enclose the material placing district that closes the mode formation can reduce the restriction to soft packet of battery week side, makes the convenience more of blowing and lifting, and is difficult to produce the distortion of soft packet of battery at this in-process.

Optionally, the tab trimming system includes flattening mechanism that presses the tab with upper and lower pressfitting mode, vertical blocking mechanism that blocks the soft packet battery on the conveyer belt with telescopic mode, pushes away the soft packet battery to the transverse positioning mechanism of settlement position, and the side cut device of cutting tab, flattening mechanism is located transverse positioning mechanism's for the direction of delivery of conveyer belt the upper reaches, vertical blocking mechanism is located transverse positioning mechanism's the direction of delivery of conveyer belt the low reaches, and transverse positioning mechanism can promote the soft packet battery that is blocked by vertical blocking mechanism, be equipped with the first sensor that detects whether the push area of transverse positioning mechanism has soft packet battery between vertical blocking mechanism and the transverse positioning mechanism.

Through adopting above-mentioned technical scheme, the conveyer belt carries out the continuous transport to the soft packet battery, when arriving the position that flattening mechanism was located, flattening mechanism flattens the utmost point ear of soft packet battery to avoid or reduce the utmost point ear and lead to the follow-up to tailor and produce the error because of crooked, later arrive the position that first sensor was located, the conveyer belt stops temporarily, and then the soft packet battery is stopped by blocking mechanism at the in-process that stops, then horizontal positioning mechanism pushes away the soft packet battery to the assigned position, so can fix a position the soft packet battery to suitable tailorring position, later tailors the utmost point ear through the side cut device, thereby realize the automation that soft packet battery utmost point ear pruned.

Optionally, the conveyer belt includes the conveyer belt of standing the body and moving, the conveyer belt is equipped with the flattening groove with one of them side interval of standing the body, flattening mechanism includes side seat, top board and holding down plate, the side seat is fixed with two flattening cylinders that drive top board respectively and hold down plate go up and down, and wherein the lift route of holding down plate passes the flattening groove.

Through adopting above-mentioned technical scheme, can press the utmost point ear and anodal, the utmost point ear is located soft packet of battery's middle part generally, adopts the mode of synchronous pressure from top to bottom, no matter the utmost point ear originally is upwards crooked or the downwarping can all obtain good exhibition paper-back edition.

Optionally, the side cut device includes the transport frame, is used for tailorring the shearing mechanism of utmost point ear and drives the transport frame and be close to or keep away from the transport mechanism of shearing mechanism, the shearing mechanism is located one side of conveyer belt and is equipped with the locating piece that supplies soft packet battery side end to support to lean on in the homonymy, be equipped with the kicking block that can be close to or keep away from the direction of shearing mechanism and carry out elasticity floating on the transport frame, the bottom of kicking block is equipped with the sucking disc that is used for adsorbing soft packet battery.

By adopting the technical scheme, the sucker can grasp the soft package battery of the conveyor belt in an adsorption mode, then the soft package battery is abutted against the positioning block finally through the movement of the carrying mechanism, and the tab reaches a proper cutting position and is cut by the cutting mechanism; in the process, errors can be generated in the positions of the soft package battery relative to the positioning block due to the conveying of the conveying belt, the grabbing position of the sucker, the stroke error of the carrying mechanism and the like, namely the soft package battery can be excessively extruded or can not reach a preset abutting position, the errors can be compensated by adopting a floating manner of the floating block, and the floating block can still offset the continuous displacement of the carrying mechanism through horizontal floating when the soft package battery abuts against the positioning block, so that after the position is set, the soft package battery always abuts against the positioning block and can not be pressed and bent, and therefore, the automatic trimming of the pole lugs of the soft package battery can be realized on the premise of not damaging the structural performance of the soft package battery, and the consistency of the length of the pole lugs after trimming is ensured.

Optionally, the carrying frame is hollow to be equipped with the floating chamber, and the carrying frame is fixed with two at least guide bars that wear to locate the floating block in the floating chamber, the guide bar overlaps between the side of floating block and the inner wall of carrying frame and is equipped with floating spring.

Through adopting above-mentioned technical scheme, the guide bar provides support and direction, makes the kicking block only can remove along given horizontal direction, and the floating spring at both ends can keep the precompaction, and initial position just possesses elasticity promptly, makes the kicking block float about can but be difficult to produce and beats, and like this the soft packet of battery can be rested in the position of leaning on fast after reaching final position.

Optionally, handling mechanism includes the support frame, installs in the horizontal slide rail of support frame, slides and connect in the horizontal slider of horizontal slide rail and drive the horizontal driving piece that horizontal slider removed, the handling frame carries in horizontal slider, the conveyer belt is including standing the body and the conveyer belt of motion, the support frame is including being fixed in the base of standing the body, being fixed in the stand of base and installing in the carrier block of stand, horizontal slide rail is fixed in the carrier block, the stand is two at least, the top of stand is fixed with the roof jointly, the screw rod of being connected with the roof rotation is worn to be equipped with to the roof, screw rod and carrier block threaded connection, the top of screw rod is fixed with the rotation handle.

Through adopting above-mentioned technical scheme, the accessible rotates the screw rod and changes the position of carrier block relative base, so can carry out the preconditioning to the initial position of sucking disc, make the sucking disc can keep good interval with soft packet of battery after descending to the minimum position to better realization snatchs.

Optionally, the conveying roller includes roller frame and many roller bodies, and wherein the length of part roller body is shorter than other roller bodies, and the roller frame is equipped with the upset groove in the regional vacancy at shorter roller body place, turn over the mechanism and still including falling into the clamping component in upset groove, drive clamping component pivoted upset subassembly and drive the lifting unit that the upset subassembly goes up and down, lifting unit installs in the roller frame, one side that clamping component is close to the conveyer belt is located to first count sensor.

By adopting the technical scheme, the conveying belt conveys the soft package batteries processed in the previous working procedure to the conveying roller one by one, the first counting sensor counts the soft package batteries, and when part of the surfaces of the soft package batteries fall into the area where the turnover groove is located, the clamping assembly selects whether to clamp the soft package batteries or not according to the counting condition; taking soft package batteries as an example, every other soft package battery is clamped by the clamping assembly, then the clamping assembly and the soft package battery are lifted to a position where the clamping assembly and the soft package battery do not interfere with each other and rotate, then the overturning assembly drives the clamping assembly to integrally rotate together with the soft package battery, and then the soft package battery is replaced to the conveying roller again, so that the overturning automation of the soft package battery is realized.

In summary, the present application includes at least one of the following beneficial technical effects:

the feeding device is used for placing stacked soft package batteries to the conveyor belt one by one, then carrying out tab trimming by the tab trimming system one by one along with conveying of the conveyor belt, entering the conveyor roller after trimming, counting the soft package batteries by the first counting sensor, and selecting whether to turn over the soft package batteries by the turn-over device according to counting conditions; taking the case that the soft package batteries are only connected in series, the soft package batteries with even number can be turned over, and after the turning over, the soft package batteries can be quickly stacked in a manual or automatic mode, so that the soft package batteries and the adjacent soft package batteries are just anodes corresponding to the cathodes, and the series connection can be achieved after one group of the soft package batteries is welded, the automation of the front working procedure of the soft package lithium battery welding is realized, and the soft package batteries can be quickly stacked and the welding or the bonding of the lugs can be conveniently carried out according to the series connection requirement;

the soft package battery is continuously conveyed by the conveying belt, when the soft package battery reaches the position of the flattening mechanism, the flattening mechanism flattens the lug of the soft package battery so as to avoid or reduce errors caused by subsequent cutting of the lug due to bending, then the lug reaches the position of the first sensor, the conveying belt is temporarily stopped, the soft package battery is blocked by the blocking mechanism in the stopping process, then the soft package battery is pushed to a formulated position by the transverse positioning mechanism, so that the soft package battery can be positioned to a proper cutting position, and then the lug is cut through the edge cutting device, thereby realizing the automation of the trimming of the lug of the soft package battery;

the floating design of the floating block makes up the position error of the soft package battery fully, the soft package battery can always lean against the positioning block and can not be pressed and bent, so that the automatic trimming of the pole lugs of the soft package battery is realized on the premise of not damaging the structural performance of the soft package battery, and the consistency of the length of the pole lugs after trimming is ensured.

Drawings

Fig. 1 is an overall configuration diagram of an assembly line of embodiment 1.

Fig. 2 is an overall configuration diagram of the loading device of embodiment 1.

Fig. 3 is an exploded view of the material rack and lifting assembly of example 1.

Fig. 4 is an overall configuration diagram of the tab pretreatment system of embodiment 1.

Fig. 5 is a structural view of the flattening mechanism of embodiment 1.

Fig. 6 is a structural view of the longitudinal blocking mechanism and the lateral positioning mechanism of embodiment 1.

Fig. 7 is a structural view of the tab trimming device of embodiment 1 on the upstream side of the conveyor.

Fig. 8 is a block diagram of the carrier block of embodiment 1.

Fig. 9 is a structural view of the tab trimming device of embodiment 1 on the downstream side of the conveyor.

Fig. 10 is an overall configuration diagram of the flip-over device of example 1.

Fig. 11 is an exploded view of the flip-over device of example 1.

Fig. 12 is an overall configuration diagram of the loading device of embodiment 2.

Figure 13 is a block diagram of the lift assembly of example 2.

Reference numerals illustrate: 1. a carrying mechanism; 11. a support frame; 111. a base; 112. a column; 113. a carrier block; 1131. a base; 1132. a cantilever; 114. a top plate; 115. perforating; 116. an elastic groove; 117. a screw; 118. rotating the handle; 119. a hoop; 12. a transverse slide rail; 13. a transverse slide block; 14. a lateral drive member; 141. a transverse screw rod; 142. a transverse motor; 15. a second sensor; 16. a gas spring;

2. a transfer frame; 21. an induction plate; 22. lifting the sliding rail; 23. a second lifting slide block; 24. a lifting driving member;

3. a transport rack; 31. a floating chamber; 32. a guide rod; 33. a floating block; 331. a spring groove; 34. a floating spring; 35. a suction cup;

4. a trimming device; 41. a shearing mechanism; 411. a tool apron; 412. an upper cutter; 413. a shear cylinder; 414. a positioning block; 42. A flattening mechanism; 421. a side seat; 422. an upper press plate; 423. a lower pressing plate; 424. flattening cylinder; 43. a longitudinal blocking mechanism; 431. a door frame; 432. a blocking cylinder; 433. a blocking plate; 434. a first sensor; 44. a transverse positioning mechanism; 441. positioning a cylinder; 442. positioning a push plate;

5. a feeding device; 51. a frame; 511. a feed slide rail; 52. a material rack; 521. a rotary driving member; 522. a material tray; 523. a vertical rod; 524. a material placing area; 525. a discharge groove; 526. a plate frame; 5261. an upper plate; 5262. a lower plate; 53. a lifting assembly; 531. jacking an electric cylinder; 532. a head cover; 536. Lifting the module; 5361. lifting rails; 5362. a first lifting slide block; 5363. a screw motor; 54. an adsorption assembly; 541. a carrier plate; 542. an adsorption head; 55. a translation assembly; 551. a feeding slide rail; 552. a translation module; 553. a first lifting cylinder;

6. a turn-over device; 61. a conveying roller; 611. a roller frame; 612. a roller body; 613. a turnover groove; 614. a first counting sensor; 615. lifting a cylinder; 616. lifting a baffle; 617. a second counting sensor; 62. a brush holder; 621. a brush; 63. a clamping assembly; 631. clamping the cylinder body; 632. a clamping jaw; 64. a flip assembly; 641. a rotary cylinder; 642. a rotating frame; 65. a lifting assembly; 651. a third lifting cylinder; 652. a lifting frame; 6521. an upper base; 6522. a bottom block;

9. a conveyor belt; 91. standing the body; 92. a conveyor belt; 93. flattening the groove; 94. a guide plate;

10. a soft pack battery; 101. a tab trimming system; .

Detailed Description

The application is described in further detail below with reference to fig. 1-12.

The embodiment of the application discloses an assembly production line of a soft package battery.

Example 1:

referring to fig. 1, an assembly line for soft package batteries comprises a conveyor belt 9, a feeding device 5, a tab trimming system 101 and a turning device 6, wherein the end of the conveyor belt 9 is provided with a conveyor roller 61, the turning device 6 is mounted on the conveyor roller 61, and the conveyor roller 61 is provided with a first counting sensor 614 for recording the entering of the conveyor belt 9 into the conveyor roller 61. During operation, the feeding device 5 places the stacked soft package batteries 10 on the conveyor belt 9 one by one, then the stacked soft package batteries are arranged on the tab trimming system 101 of the conveyor belt 9 one by one along with the conveying of the conveyor belt 9 to trim tabs, the tabs enter the conveying roller 61 after trimming is completed, the first counting sensor 614 counts the soft package batteries 10, and the turn-over device 6 selects whether to turn over the soft package batteries 10 according to the counting condition; taking the soft package battery 10 as an example, the soft package battery 10 can be set to turn over an even number of soft package batteries 10 passing through, and the soft package batteries 10 can be quickly stacked no matter in a manual or automatic mode after turning over, so that the soft package battery 10 and the adjacent soft package battery 10 just correspond to anodes, and the series connection can be achieved after one group of soft package batteries is welded, the automation of the front working procedure of the soft package lithium battery welding is realized, and the soft package batteries 10 can be quickly stacked and the welding or bonding of the electrode lugs can be conveniently carried out according to the series connection requirement.

Referring to fig. 2 and 3, the feeding device 5 includes a frame 51, a material frame 52, a lifting assembly 53, an adsorption assembly 54 and a translation assembly 55, wherein the material frame 52, the lifting assembly 53 and the translation assembly 55 are all mounted on the frame 51, the adsorption assembly 54 is mounted on the translation assembly 55, the material frame 52 is used for stacking the soft pack batteries 10, the adsorption assembly 54 sucks the soft pack batteries 10 stacked on the uppermost layer, and moves to the next station or a subsequent conveyor belt 92 through the translation assembly 55, and at the same time the lifting assembly 53 lifts the stacked soft pack batteries 10, and then the sucking and lifting actions are repeated to complete automatic feeding of the soft pack batteries 10.

For the material rack 52, the material rack 52 in this embodiment includes a rotary driving member 521 and a material tray 522, wherein the rotary driving member 521 is a rotary cylinder 641, the rotary cylinder 641 is fixed to the frame 51, the material tray 522 is disposed above the frame 51 and is fixed to an output end of the rotary cylinder 641, and the rotary driving member 521 can drive the material tray 522 to rotate. The upper surface of the material tray 522 is fixed with a plurality of upright posts 523, each four upright posts 523 are enclosed to form a material placing area 524 for stacking the soft package batteries 10, and at least two material placing areas 524 are arranged on the material tray 522. In this embodiment, two material placing areas 524 are provided, and the corresponding rotary cylinder 641 can only drive the material tray 522 to rotate back and forth by degrees, so that alternate material loading can be rapidly realized, and the material loading action is uninterrupted.

Referring to fig. 3, the lifting assembly 53 includes a top cylinder 531 and a head cover 532 under the tray 522, and the head cover 532 may be plate-shaped or block-shaped, and in other embodiments, the head cover 532 may not be provided and directly abuts against the soft pack battery 10 by a piston cylinder of the top cylinder 531. The tray 522 is provided with a discharge groove 525 for a piston rod of a jacking cylinder 531 and a head sleeve 532 to pass through at the position of the material placing area 524.

Referring to fig. 2, the translation assembly 55 is suspended above the work-piece carrier 52 by a carrier, which in this embodiment is also considered part of the frame 51. In this embodiment, the translation assembly 55 is a linear module, and the linear module is provided with a power source for driving translation. For convenience of description, the linear module in this embodiment includes a feeding slide rail 551 and a translation module 552 moving along the feeding slide rail 551, where the feeding slide rail 551 is fixed on the frame 51, and a first lifting cylinder 553 is fixed on the surface of the translation module 552, so as to ensure lifting stability, and the first lifting cylinder 553 in this embodiment is a double-cylinder.

The adsorption assembly 54 includes a carrier plate 541 and a plurality of adsorption heads 542, and a piston rod of the first lifting cylinder 553 is fixed to the carrier plate 541, so that the adsorption assembly 54 can also lift slightly, so as to avoid the single horizontal movement from striking or rubbing with the soft-pack battery 10 with different thickness. The adsorption heads 542 penetrate through and are fixed on the carrier plate 541, in this embodiment, the number of adsorption heads 542 is four, the adsorption heads 542 are arranged in square, and an air source is externally matched with the adsorption heads 542, and the air source can be an air pump or other systems with an air suction function.

The feeding working steps of the feeding device are as follows:

the pouch cells 10 are stacked in one of the placement areas 524 of the tray 522, after which the placement area 524 rotates with the tray 522 to below the suction assembly 54, after which the pouch cells 10 in the other placement area 524 begin to fill.

At this time, the suction unit 54 sucks the stacked pouch cells 10, and moves to the next station or the subsequent conveyor 92 by the translation unit 55, while the lifting unit 53 lifts the stacked pouch cells 10, and then repeats the sucking and lifting actions until the pouch cells 10 of the current loading area 524 are completely transferred.

During the transfer of the last pouch cell 10, the turntable rotates the placement area 524 that fills the pouch cell 10 to below the suction assembly 54.

The above steps are repeated to realize the transfer of the soft pack batteries 10 to the conveyor belt 9 one by one.

Referring to fig. 4, the conveyor belt 9 of the present embodiment is any belt-shaped conveyor belt 9, in order to facilitate description, the conveyor belt 9 is split in this embodiment, the conveyor belt 9 includes a stationary body 91 and a moving conveyor belt 92, a flattening groove 93 is provided between the conveyor belt 92 and one side of the stationary body 91, and the flexible battery 10 is continuously conveyed by the conveyor belt 92.

Referring to fig. 1 and 4, the tab trimming system 101 includes a guide plate 94, a flattening mechanism 42, a longitudinal blocking mechanism 43, a lateral positioning mechanism 44, and a trimming device 4 for trimming tabs, which are sequentially disposed in sequence on the conveyor belt 9, and the flattening mechanism 42 flattens the tabs in a vertically pressing manner. The longitudinal blocking mechanism 43 blocks the flexible packaged battery 10 on the conveyor belt 9 in a telescopic manner, and then the flexible packaged battery 10 is pushed to a proper position by the transverse positioning mechanism 44 and then is grabbed and cut by the edge cutting device 4.

Wherein, the guide plate 94 is located upstream of the flattening mechanism 42 with respect to the conveying direction of the conveyor belt 9, the guide plate 94 is located at a side of the stationary body 91 away from the flattening groove 93, and the soft pack battery 10 will be forced to move at the side where the flattening groove 93 is located after contacting the guide plate 94, so that the tab of the soft pack battery 10 falls at the position where the flattening groove 93 is located.

Referring to fig. 4 and 5, the flattening mechanism 42 includes a side seat 421, an upper platen 422 and a lower platen 423, where the side seat 421 is fixed with two flattening cylinders 424 that drive the upper platen 422 to lift and the lower platen 423 to lift respectively, and the lifting path of the lower platen 423 passes through the flattening groove 93, and the upper platen 422 is located above the flattening groove 93. When the pouch cell 10 reaches the flattened position, the upper and lower platens 422, 423 move toward each other to correct the bent tabs, and in this embodiment the upper and lower platens 422, 423 will eventually remain in a position that presses the tabs to a horizontal but incomplete press to reduce or avoid displacement of the pouch cell 10 relative to the conveyor belt 92 during flattening. In other embodiments a second sensor 15 may also be provided near the flattening mechanism 42 to stop the transport of the conveyor belt 9 when the flattening action is performed.

Referring to fig. 4 and 6, the flattening mechanism 42 is located upstream of the lateral positioning mechanism 44 with respect to the conveying direction of the conveyor belt 9, the longitudinal blocking mechanism 43 is located downstream of the lateral positioning mechanism 44 with respect to the conveying direction of the conveyor belt 9, and a first sensor 434 that detects whether or not there is a soft pack battery 10 in the push area of the lateral positioning mechanism 44 is provided between the longitudinal blocking mechanism 43 and the lateral positioning mechanism 44. After the soft pack battery 10 is flattened, the soft pack battery 10 moves to the position where the transverse positioning mechanism 44 is located along with the conveyor belt 9, at this time, the first sensor 434 receives the soft pack battery 10, and the longitudinal blocking mechanism 43 performs blocking action.

The vertical blocking mechanism 43 includes a door frame 431, a blocking cylinder 432, and a blocking plate 433, wherein the door frame 431 is fixed to the stationary body 91, the body of the blocking cylinder 432 is fixed to the door frame 431, and the blocking plate 433 is fixed to a piston rod of the blocking cylinder 432. In this embodiment, the blocking cylinder 432 is located above the conveyor belt 92, and the blocking plate 433 blocks the cylinder 432 to drive to lift, so as to achieve the purpose of blocking the flexible battery 10. In other embodiments, the blocking cylinder 432 may be fixed to one side of the gantry 431 to achieve avoidance or blocking in a horizontally telescopic manner.

The pouch cells 10 are blocked and then actuated by the lateral positioning mechanism 44.

The lateral positioning mechanism 44 includes a positioning cylinder 441 and a positioning push plate 442, the positioning cylinder 441 is fixed to one side of the stationary body 91 by a plate or a frame, and the positioning push plate 442 is fixed to a piston rod of the positioning cylinder 441. The extension and retraction direction of the piston rod of the positioning cylinder 441 is perpendicular to the conveying direction of the conveyor belt 9. When the transverse positioning mechanism 44 performs the action, the pushing of the transverse positioning mechanism 44 is only fine adjustment, and therefore, a blocking structure is not required because the transverse position of the soft pack battery 10 is subjected to preliminary adjustment in the flattening stage.

Referring to fig. 4 and 7, after positioning, the gripping and cutting work will be performed by the edge slitting device 4. The edge cutting device 4 comprises a carrying frame 3, a shearing mechanism 41 for cutting tabs and a carrying mechanism 1 for driving the carrying frame 3 to be close to or far away from the shearing mechanism 41, and the carrying frame 3 is matched with an adsorption structure to absorb the soft package battery 10.

Referring to fig. 7, the carrying mechanism 1 includes a supporting frame 11, a transverse sliding rail 12 mounted on the supporting frame 11, a transverse sliding block 13 slidingly connected to the transverse sliding rail 12, and a transverse driving member 14 driving the transverse sliding block 13 to move.

Referring to fig. 7 and 8, the supporting frame 11 includes a base 111, a column 112, and a carrier block 113, and both ends of the base 111 are fixed to the stationary body 91 and suspended above the conveyor belt 92. The two upright posts 112 are vertically fixed on the base 111, and the top of the upright posts 112 is commonly fixed with the top plate 114, so that the support frame 11 forms a portal 431 structure. The carrier block 113 is provided with a through hole 115 through which the column 112 passes, and the carrier block 113 can slide up and down relative to the column 112. The top plate 114 is penetrated with a screw 117 rotatably connected with the top plate 114, the screw 117 is in threaded connection with the carrier block 113, and a disk-shaped rotating handle 118 is fixed at the top of the screw 117, so that the height adjustment of the carrier block 113 can be realized by rotating the rotating handle 118.

In order to enhance stability, the through holes 115 are provided with elastic grooves 116 on the side walls of the regions between the adjacent columns 112, the elastic grooves 116 penetrate up and down and extend to the side walls of the carrier blocks 113 away from the transverse slide rail 12, the carrier blocks 113 are divided into a base 1131 and a cantilever 1132 by the elastic grooves 116, and the cantilever 1132 is connected with the base 1131 through bolts. When the bolts are loosened, the height of the carrier blocks 113 can be adjusted through the screw rods 117, and when the bolts are tightened, the carrier blocks 113 are locked relative to the upright posts 112. If necessary, a hoop 119 locked with the upright 112 can be added below the carrier block 113.

Referring to fig. 7 and 9, for the lateral moving member, the lateral slide rail 12, the lateral slider 13, and the lateral driving member 14 may be replaced by various kinds of linear modules capable of being precisely positioned. In this embodiment, the transverse slide rail 12 is fixed on the carrier block 113 by a bolt, the transverse driving member 14 includes a transverse screw rod 141 and a transverse motor 142, wherein the transverse screw rod 141 is rotationally connected with two ends of the transverse slide rail 12 by a bearing, the transverse slide block 13 is in threaded connection with the transverse screw rod 141, the transverse motor 142 is fixed on one end of the transverse slide rail 12 by an external frame body, and a rotating shaft of the transverse motor 142 is connected with the transverse screw rod 141 by a coupling. Thus, the transverse motor 142 drives the transverse slider 13 to move horizontally along the transverse slide rail 12, and the movement is vertical to the conveying direction of the conveyor belt 9 in this embodiment.

One side of the transverse sliding block 13 is fixed with a transfer frame 2, one side of the transfer frame 2 close to the transverse sliding rail 12 is fixed with an induction plate 21, the side wall of the transverse sliding rail 12 is provided with at least two second sensors 15 which are in inductive fit with the induction plate 21 along the length direction, wherein the starting point and the end point of the displacement of the transfer frame 2 corresponding to the induction plate 21 are respectively provided with one second sensor 15, the second sensors 15 in the embodiment are photoelectric second sensors 15, the induction plate 21 can cut off the light of the photoelectric second sensors 15 when reaching the position of the photoelectric second sensors 15, and a background system can control the starting and stopping of the transverse motor 142 according to the corresponding conditions of the induction plate 21 and the second sensors 15.

In order to avoid untimely stopping, the starting point and the end point of the transverse slide rail 12 are respectively fixed with a gas spring 16, and the end parts of the gas springs 16 corresponding to the two positions face the transfer frame 2 and are positioned on the displacement path of the transfer frame 2.

One side of the transfer frame 2 far away from the transverse sliding block 13 is fixedly provided with lifting sliding rails 22 distributed along the height direction, the lifting sliding rails 22 are connected with a second lifting sliding block 23 in a sliding manner, the top of the transfer frame 2 is provided with a lifting driving piece 24, and the output end of the lifting driving piece 24 is fixedly connected with the carrying frame 3. The lifting drive member 24 in this embodiment is a cylinder.

The carrying frame 3 is fixed on the side wall of the second lifting slide block 23, a floating cavity 31 is arranged in the carrying frame 3, at least two guide rods 32 are fixed in the floating cavity 31 of the carrying frame 3, and in this embodiment, the length direction of the guide rods 32 is consistent with the horizontal moving direction of the transverse slide block 13. The guide rods 32 are connected with floating blocks 33 in a sliding manner, the two guide rods 32 are respectively arranged on the floating blocks 33 in a penetrating manner, and floating springs 34 are sleeved between the side ends of the guide rods 32 and the inner wall of the carrying frame 3. The floating block 33 has floating spring 34 grooves 331 formed at both ends thereof into which the floating springs 34 are fitted, and the floating spring 34 grooves 331 form the floating block 33 into a three-dimensional cross-like block shape.

The bottom of the floating block 33 is fixed with a sucker 35 for absorbing the soft-packed battery 10, and a pipeline of the sucker 35 penetrates through the floating block 33 and is externally connected with an air source (not shown in the figure), wherein the air source can be an air pump or other air pressure systems capable of generating absorption pressure.

The shearing mechanism 41 includes a cutter block 411, an upper cutter 412, and a shearing cylinder 413, and the cutter block 411 is fixed to one side of the stationary body 91. The upper cutter 412 is connected with the cutter seat 411 in a vertical sliding way through a sliding rail, the bottom of the upper cutter 412 is a cutter head, the cutter head and the cutter seat 411 form a shearing structure, the body of the shearing cylinder 413 is fixed on the cutter seat 411, and the piston rod of the shearing cylinder 413 is fixed with the upper cutter 412 to realize the lifting of the upper cutter 412. One side of the shearing mechanism 41 is provided with a positioning block 414, the positioning block 414 is provided with a kidney-shaped groove and is fixed on one side of the cutter holder 411 through a bolt, and when the side end of the soft package battery 10 abuts against the positioning block 414, the tab of the soft package battery 10 just reaches the shearing position of the shearing mechanism 41.

The working mode of the tab trimming system is as follows:

the pouch cells 10 will be continuously transported by the conveyor belt 92. The flexible battery 10 passes through the guide plate 94 first, and after contacting the guide plate 94, the flexible battery 10 will be forced to move on the side where the flattening groove 93 is located, so that the tab of the flexible battery 10 falls on the position where the flattening groove 93 is located.

The tabs that are subject to bending are then flattened by the flattening mechanism 42.

After the soft package battery 10 is flattened, the soft package battery 10 moves to the position where the transverse positioning mechanism 44 is located along with the conveyor belt 9, at this time, the first sensor 434 receives the soft package battery 10, and the blocking mechanism performs blocking action, so that the side wall of the soft package battery 10 abuts against the side face of the blocking plate 433.

After the flexible battery 10 is blocked, pushing is performed by the transverse positioning mechanism 44, and the transverse position of the flexible battery 10 relative to the conveyor belt 9 is finely adjusted.

The carrying mechanism 1 moves the suction cup 35 to the position above the soft package battery 10 of the conveyor belt 9, the lifting driving piece 24 descends the suction cup 35 to the position of the soft package battery 10 and adsorbs the soft package battery 10, then the suction cup 35 drives the soft package battery 10 to ascend and move towards the shearing mechanism 41 until the side end of the soft package battery 10 abuts against the positioning block 414, the horizontal movement is stopped, and the floating block 33 slightly moves in the direction away from the shearing mechanism 41 in the stopping process, so that the soft package battery 10 keeps abutting against the positioning block 414 and cannot bend.

Then the cutting mechanism 41 cuts the tab, after cutting, the carrying mechanism 1 and the lifting driving piece 24 bring the sucker 35 and the soft package battery 10 back to the original position of the conveyor belt 9, and the sucker 35 releases the adsorption.

The suction cup 35 is then raised until the next pouch cell 10 reaches the suction position.

Referring to fig. 1 and 10, the cut soft pack battery 10 continues to be conveyed along with the conveyor belt 9. The conveying speed of the conveying belt 9 is faster than that of the conveying roller 61, in order to enable the soft-packed battery 10 to enter the conveying roller 61 from the conveying belt 9 to be connected smoothly, a brush frame 62 and a brush 621 are arranged above the conveying belt 92, the brush frame 62 is fixed on the standing body 91, the brush 621 is fixed on the brush frame 62 and the brush hair faces the conveying belt 92, and when the brush 621 passes through the brush 621, the soft-packed battery 10 is decelerated and the position is corrected, and the situation that the position is dithered in the connecting process is reduced.

Referring to fig. 10 and 11, the conveying roller 61 includes a roller frame 611 and a plurality of roller bodies 612, wherein each roller body 612 is provided with a sprocket (not shown) at one side of the roller frame 611, and a motor (not shown) is installed inside the roller frame 611 and drives each roller body 612 by means of chain connection. Wherein, the length of part of the roller body 612 is shorter than that of other roller bodies 612, the roller frame 611 is provided with a turnover groove 613 in the gap of the region where the shorter roller body 612 is located, so that when the soft pack battery 10 moves to the position, part of the surface falls into the region where the turnover groove 613 is located, and the rest of the surface is supported by the shorter roller body 612 and the longer roller body 612 together.

After reaching the transfer roller 61, the soft pack battery 10 is first detected by a first counting sensor 614 fixed to the roller frame 611, and the transmitting end and the receiving end of the first counting sensor 614 are respectively positioned at the top of both sides of the roller frame 611.

The lifting air cylinder 615 installed on the roller frame 611 is arranged below the roller body 612, the lifting baffle 616 is fixed at the output end of the lifting air cylinder 615, the lifting baffle 616 can penetrate through gaps between the roller bodies 612, according to information fed back by the first counting sensor 614, the lifting baffle 616 executes corresponding actions, if the soft package battery 10 needing to be turned over passes or is about to pass, the lifting baffle 616 rises to form a barrier, and the center of the soft package battery 10 stays in the area where the turning groove 613 is located. The number of the battery packs 10 to be turned over may be set to an even number of the battery packs 10 passing by, which are recorded by the counter.

The turnover device 6 comprises a clamping assembly 63, a turnover assembly 64 and a lifting assembly 65, wherein the clamping assembly 63 is positioned in the area where the turnover groove 613 is positioned, so that the soft package battery 10 can be clamped, the lifting assembly 65 can drive the turnover assembly 64 to ascend together with the clamping assembly 63, the turnover assembly 64 can drive the clamping assembly 63 to rotate, and the lifting assembly 65 drives the soft package battery to descend after turnover.

Wherein the lifting assembly 65 includes a third lifting cylinder 651 and a lifting frame 652, and a body of the third lifting cylinder 651 is fixed to one side of the roller frame 611. In this embodiment, the third lifting cylinder 651 is a double-rod cylinder. The lifting frame 652 comprises an upper base 6521 and a bottom block 6522, and the end parts of two piston rods of the double-rod air cylinder are fixed with the bottom block 6522. The bottom of the upper housing 6521 is provided with a bottom groove (not shown). The top of the bottom block 6522 is embedded in the bottom groove and can slide along the moving direction of the conveyor belt 9 relative to the bottom groove, the bottom block 6522 is connected with the upper base 6521 through bolts, the upper base 6521 is provided with a plurality of base holes for the threaded connection of the bolts, and thus, the relative positions between the upper base 6521 and the bottom block 6522 can be pre-adjusted to correspondingly adjust the positions of the overturning assembly 64 and the clamping assembly 63.

The reversing unit 64 includes a rotary cylinder 641 and a rotary frame 642, the rotary cylinder 641 is mounted on a side wall of the upper housing 6521, the rotary frame 642 is fixed to an output end of the rotary cylinder 641, and the output end of the rotary cylinder 641 is of a flange structure penetrating through the upper housing 6521.

The clamping assembly 63 is a finger cylinder in this embodiment, and includes a clamping cylinder body 631 and a clamping jaw 632, wherein the clamping cylinder body 631 is fixed at the output end of the revolving cylinder 641, and a plate-shaped structure transitional connection can be added between the clamping cylinder body 631 and the revolving cylinder 641 if necessary, so as to enhance the convenience of installation.

The pouch cells 10 are replaced to the roller body 612 after the inversion, and then the elevation damper 616 is lowered, and the pouch cells 10 are conveyed by the conveying roller 61.

A second counting sensor 617 mounted on the roller frame 611 is provided between the lifting baffle 616 and the clamping assembly 63 to detect whether the pouch cell 10 has left the turnover range.

Example 2:

referring to fig. 12 and 13, the present embodiment differs from the embodiment in that the structure of the material frame 52 and the lifting assembly 53 is different.

The feeding slide rail 511 is installed below the adsorption component 54 on the frame 51, and at least one material rack 52 is slidingly connected to the feeding slide rail 511, in this embodiment, one material rack 52 is taken as an example. The material rack 52 comprises a plate rack 526 and a plurality of vertical rods 523 fixed on the upper surface of the plate rack 526, the plate rack 526 is carried on the feeding slide rail 511, a plurality of vertical rods 523 are enclosed to form a material placing area 524 for stacking the soft-packed batteries 10, and at least two material placing areas 524 are arranged on the plate rack 526. In this embodiment, the material racks 52 are one, and each material rack 52 has two material placement areas 524.

The plate rack 526 includes an upper plate 5261 and a lower plate 5262, the upper plate 5261 being spaced from the lower plate 5262 and secured at both ends and a side remote from the lift assembly 53 by plates or blocks; the lifting assembly 53 comprises a lifting plate 534 and a lifting module 536, the lifting module 536 comprises a lifting rail 5361, a first lifting slider 5362 and a screw motor 5363, the lifting rail 5361 is fixed on the frame 51 and vertically penetrates through the frame 51, the screw motor 5363 is fixed on the bottom of the lifting rail 5361, the screw shaft of the screw motor 5363 is parallel to the lifting rail 5361, and the first lifting slider 5362 is slidingly connected to the lifting rail 5361 and in threaded connection with the screw shaft of the screw motor 5363. The lifting plate 534 is L-shaped, a part of the L-shape of the lifting plate 534 is fixed on the first lifting slider 5362, another part of the L-shape of the lifting plate 534 is embedded in a space between the upper plate 5261 and the lower plate 5262, and the upper plate 5261 is provided with a discharge groove 525 for the lifting plate 534 to pass through at the position of the material placing area 524.

The implementation principle of the embodiment is as follows:

filling stations are provided at front and rear positions along the feeding slide 511, respectively, and when the pouch cells 10 of one of the loading areas 524 are transferred, the other loading area 524 is synchronously filled. After the transfer of the pouch cells 10 of one of the loading areas 524 is completed, the lifting plate 534 is lowered to the area between the upper plate 5261 and the lower plate 5262, and then the rack 52 is horizontally moved so that the loading area 524 filled with the pouch cells 10 is transferred to the corresponding loading station.

Furthermore, in other embodiments, this may be accomplished by providing two or more racks 52 instead of the loading zone 524.

The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.

Claims

1. The utility model provides an equipment production line of soft packet of battery, includes conveyer belt (9), its characterized in that: the battery pack suction device comprises a conveying belt (9), a feeding device (5) for placing soft package batteries (10) on the conveying belt (9) one by one, a tab trimming system (101) mounted on the conveying belt (9) and a turnover device (6) for turning the corresponding batteries, wherein the tail end of the conveying belt (9) is provided with a conveying roller (61), the turnover device (6) is mounted on the conveying roller (61), the conveying roller (61) is provided with a first counting sensor (614) for recording the situation that the soft package batteries (10) enter the conveying roller (61) from the conveying belt (9), the tab trimming system (101) comprises a trimming device (4) for trimming tabs, the trimming device (4) comprises a carrying frame (3), a shearing mechanism (41) for trimming tabs and a carrying mechanism (1) for driving the carrying frame (3) to approach or depart from the shearing mechanism (41), the shearing mechanism (41) is arranged on one side of the conveying belt (9) and provided with a positioning block (414) for supporting the side end of the soft package batteries (10), and the carrying frame (3) is provided with an elastic floating block (33) for sucking the soft package batteries (33) in the direction approaching or departing from the shearing mechanism (41); the carrying frame (3) is hollow and provided with a floating cavity (31), the carrying frame (3) is internally fixed with at least two guide rods (32) penetrating through the floating blocks (33) in the floating cavity (31), and floating springs (34) are sleeved between the side ends of the floating blocks (33) and the inner wall of the carrying frame (3) through the guide rods (32).

2. The assembly line for a pouch cell as defined in claim 1, wherein: the feeding device (5) comprises a frame (51), a material rack (52) for stacking the soft package batteries (10), a lifting component (53) for lifting the soft package batteries (10) and an adsorption component (54) for adsorbing the soft package batteries (10), a translation component (55) arranged on the frame (51) in a erected mode is arranged above the lifting component (53), the translation component (55) comprises a feeding sliding rail (551) and a translation module (552) moving along the feeding sliding rail (551), and the adsorption component (54) is mounted on the translation module (552) of the translation component (55).

3. The assembly line for a pouch cell as defined in claim 2, wherein: the adsorption assembly (54) comprises a carrier plate (541) and a plurality of adsorption heads (542) penetrating through the carrier plate (541), the carrier plate (541) is mounted on the translation module (552), and the adsorption heads (542) are externally connected with an air suction source in a matching mode.

4. The assembly line for a pouch cell as defined in claim 2, wherein: the material rack (52) comprises a rotary driving piece (521) and a material tray (522), the material tray (522) is arranged above the frame (51) and driven to rotate by the rotary driving piece (521), a plurality of vertical rods (523) are fixed on the upper surface of the material tray (522), a plurality of vertical rods (523) are enclosed to form a material placing area (524) for stacking the soft package batteries (10), and at least two material placing areas (524) are arranged on the material tray (522).

5. The assembly line for a pouch cell as defined in claim 1, wherein: the tab trimming system (101) comprises a flattening mechanism (42) for flattening the tab in an up-down pressing mode, a longitudinal blocking mechanism (43) for blocking the soft package battery (10) on the conveyor belt (9) in a telescopic mode, and a transverse positioning mechanism (44) for pushing the soft package battery to a set position, wherein the flattening mechanism (42) is located at the upstream of the transverse positioning mechanism (44) relative to the conveying direction of the conveyor belt (9), the longitudinal blocking mechanism (43) is located at the downstream of the transverse positioning mechanism (44) relative to the conveying direction of the conveyor belt (9), the transverse positioning mechanism (44) can push the soft package battery (10) blocked by the longitudinal blocking mechanism (43), and a first sensor (434) for detecting whether the soft package battery (10) exists in a pushing area of the transverse positioning mechanism (44) is arranged between the longitudinal blocking mechanism (43) and the transverse positioning mechanism (44).

6. The assembly line for a pouch cell as defined in claim 5, wherein: the conveying belt (9) comprises a standing body (91) and a moving conveying belt (92), a flattening groove (93) is formed in the conveying belt (92) and one side edge of the standing body (91) at intervals, the flattening mechanism (42) comprises a side seat (421), an upper pressing plate (422) and a lower pressing plate (423), and the side seat (421) is fixedly provided with two flattening cylinders (424) which respectively drive the upper pressing plate (422) to lift and the lower pressing plate (423) to lift, wherein the lifting path of the lower pressing plate (423) penetrates through the flattening groove (93).

7. The assembly line for a pouch cell as defined in claim 1, wherein: the utility model provides a transport mechanism (1) includes support frame (11), installs in horizontal slide rail (12) of support frame (11), slides and connect in horizontal slider (13) of horizontal slide rail (12) and drive horizontal driving piece (14) that horizontal slider (13) removed, transport frame (3) carry on in horizontal slider (13), conveyer belt (9) are including standing body (91) and conveyer belt (92) of motion, support frame (11) including be fixed in base (111) of standing body (91), be fixed in stand column (112) and install in carrier block (113) of stand column (112), horizontal slide rail (12) are fixed in carrier block (113), stand column (112) are two at least, roof (114) are fixed jointly at the top of stand column (112), roof (114) wear to be equipped with screw rod (117) that rotate with roof (114) and be connected, screw rod (117) and carrier block (113) threaded connection, the top of screw rod (117) is fixed with and rotates handle (118).

8. The assembly line for a pouch cell as defined in claim 1, wherein: the conveying roller (61) comprises a roller frame (611) and a plurality of roller bodies (612), wherein the length of a part of the roller bodies (612) is shorter than that of other roller bodies (612), a turnover groove (613) is formed in an area where the shorter roller bodies (612) are located in the gap of the roller frame (611), the turnover mechanism further comprises a clamping assembly (63) falling into the turnover groove (613), a turnover assembly (64) driving the clamping assembly (63) to rotate and a lifting assembly (65) driving the turnover assembly (64) to lift, the lifting assembly (65) is mounted on the roller frame (611), and a first counting sensor (614) is arranged on one side, close to the conveying belt (9), of the clamping assembly (63).