CN220200593U - Double-station feeding assembly and lamination machine - Google Patents

Abstract

The utility model provides a double-station feeding assembly and a lamination machine, and relates to the technical field of new energy lithium battery production. The double-station feeding assembly comprises a first lamination position, a second lamination position, a first conveying line, a second conveying line, a third conveying line and a moving mechanism, wherein included angles are formed between the first conveying line and the second conveying line and between the first conveying line and the third conveying line respectively, the included angles are formed between the first conveying line and the third conveying line respectively, a plurality of pole pieces on the first conveying line are respectively conveyed to the second conveying line and the third conveying line, and the moving mechanism moves a plurality of pole pieces on the second conveying line to the first lamination position and moves a plurality of pole pieces on the third conveying line to the second lamination position. According to the utility model, the first conveying line, the second conveying line and the third conveying line are arranged, so that simultaneous feeding of two groups of pole pieces can be realized.

Description

Double-station feeding assembly and lamination machine

Technical Field

The utility model relates to the technical field of new energy lithium battery production, in particular to a double-station feeding assembly and a lamination machine.

Background

Along with the development of scientific technology, various new energy technologies are continuously introduced, wherein a lithium battery becomes an indispensable ring of smart phones, electric automobiles and the like. In the production of lithium batteries, a lithium battery module is required to be obtained firstly, the lithium battery module is formed by assembling a plurality of battery core monomers in series-parallel connection, and the lithium battery module is generally obtained by adopting a winding process and a lamination process. Compared with the winding process, the battery manufactured by the lamination process has high capacity density, high energy density and flexible size.

The lamination process is to circularly stack the negative electrode plate, the positive electrode plate and the negative electrode plate according to a preset number to form a lithium battery cell, and the process needs to continuously feed the electrode plates on a lamination table by using a feeding assembly. The existing feeding assembly can only realize feeding of single-piece pole pieces, influences the speed of lamination, increases production time and reduces production efficiency.

Disclosure of Invention

Aiming at the technical problems, the utility model provides a double-station feeding assembly and a lamination machine, and the simultaneous feeding of two groups of pole pieces can be realized by arranging a first conveying line, a second conveying line and a third conveying line. The technical scheme is as follows:

the utility model particularly provides a double-station feeding assembly which comprises a first lamination position, a second lamination position, a first conveying line, a second conveying line, a third conveying line and a moving mechanism, wherein an included angle is formed between the first conveying line and the second conveying line and between the first conveying line and the third conveying line respectively, the first conveying line, the second conveying line and the third conveying line are respectively used for conveying pole pieces, a plurality of pole pieces on the first conveying line are respectively conveyed to the second conveying line and the third conveying line, and the moving mechanism moves a plurality of pole pieces on the second conveying line to the first lamination position and moves a plurality of pole pieces on the third conveying line to the second lamination position.

Further, the first conveying line is perpendicular to the second conveying line and the third conveying line respectively.

Further, the first conveying line, the second conveying line and the third conveying line are magnetic attraction/vacuum belts, the pole pieces can be adsorbed on the magnetic attraction/vacuum belts, the first conveying line is respectively arranged above one ends of the second conveying line and the third conveying line, and the first conveying line is respectively right opposite to the lower surfaces of the second conveying line and the third conveying line and can demagnetize/break vacuum.

Further, the device also comprises a first alignment table and a second alignment table for adjusting the positions of the pole pieces, wherein the moving mechanism moves the pole pieces on the second conveying line onto the first alignment table and moves the pole pieces on the first alignment table onto the first lamination position; the moving mechanism also moves the plurality of pole pieces on the third conveying line to the second alignment table and moves the plurality of pole pieces on the second alignment table to the second lamination position.

Further, the moving mechanism comprises a first group of moving parts and a second group of moving parts, the first group of moving parts moves the pole pieces on the second conveying line and the third conveying line to the first aligning table and the second aligning table respectively, and the second group of moving parts moves the pole pieces on the first aligning table and the second aligning table to the first lamination position and the second lamination position respectively.

Further, the first group of moving members moves the plurality of pole pieces on the second and third conveying lines onto the first and second alignment tables, respectively, while the second group of moving members moves the plurality of pole pieces on the first and second alignment tables onto the first and second lamination positions, respectively.

The first group of moving parts are also used for moving the plurality of pole pieces between the buffer table and the second conveying line and between the buffer table and the third conveying line respectively.

Further, the first group of moving parts and/or the second group of moving parts comprise a moving structure and a taking and placing structure which is arranged on the moving structure in a sliding manner, the taking and placing structure is used for taking and placing pole pieces, and the moving structure drives the taking and placing structure to move.

The utility model also specifically provides a double-station feeding lamination machine which comprises a first lamination table, a second lamination table and two double-station feeding assemblies, wherein the first lamination positions of the two double-station feeding assemblies are arranged at the first lamination table, the second lamination positions of the two double-station feeding assemblies are arranged at the second lamination table, and the two double-station feeding assemblies respectively feed the positive plate and the negative plate to the first lamination table and feed the positive plate and the negative plate to the second lamination table.

Further, the device also comprises a discharging assembly, at least two first lamination platforms and at least two second lamination platforms, wherein the first lamination platforms and the second lamination platforms are respectively arranged on the discharging assembly in a sliding mode, the moving path of the first lamination platforms driven by the discharging assembly comprises a first lamination position and a discharging position, the moving path of the second lamination platforms driven by the discharging assembly comprises a second lamination position and a discharging position, and the first lamination platforms and the second lamination platforms are respectively used for discharging materials on the first lamination platforms and the second lamination platforms at the discharging positions.

The utility model has the beneficial effects that:

according to the double-station feeding assembly, feeding of two groups of pole pieces can be achieved, one group of pole pieces can be two or more pole pieces according to the lengths of the second conveying line and the third conveying line, so that feeding efficiency of the pole pieces is greatly improved, speed of lamination is further improved, production time of lithium batteries is shortened, and production efficiency of the lithium batteries is improved.

The two groups of pole pieces on the second conveying line and the third conveying line are arranged in a plurality of rows and two columns, the plurality of rows and the two columns of pole pieces can be simultaneously transferred to corresponding lamination positions by the transfer mechanism, and compared with the scheme that a single row or a single column of pole pieces are simultaneously fed, the scheme of the embodiment can feed more pole pieces at one time. The electrode plate layout of multiple rows and two columns can fill the whole space better, so that the blank area in the transverse or longitudinal direction is reduced, the same number of electrode plates can occupy smaller area, and the waste possibly caused by the single-row electrode plate layout of the single row which is distributed too dispersedly is avoided.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the drawings that are required to be used in the description of the embodiments of the present utility model will be briefly described below.

FIG. 1 is a top view of one embodiment;

FIG. 2 is a side view of an embodiment.

The same reference numbers will be used throughout the drawings to refer to identical or similar parts or components.

10. A first conveyor line; 11. a pole piece;

21. a first lamination position; 22. a second lamination position;

31. a first alignment stage; 32. a second alignment stage;

41. a second conveyor line; 42. a third conveyor line;

51. a first cache table; 52. a second cache table;

60. a moving mechanism; 61. a first set of moving members; 62. a second set of moving members;

70. and a discharging assembly.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the embodiments of the present utility model will be described in further detail with reference to the accompanying drawings. Examples of the embodiments are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements throughout, or elements having like or similar functionality. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present specification, the terms "embodiment," "present embodiment," "in one embodiment," and the like, if used, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples; furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

In the description of the present specification, the terms "connected," "mounted," "secured," "disposed," "having," and the like are to be construed broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.

In the description of this specification, relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

In one embodiment, as shown in fig. 1 and 2, a duplex feeding assembly includes a first lamination position 21 and a second lamination position 22, a first conveying line 10, a second conveying line 41, a third conveying line 42, and a moving mechanism, where the first conveying line 10 has an included angle with the second conveying line 41 and the third conveying line 42, respectively, and all the three conveying lines are used for conveying pole pieces 11, so that direction conversion can occur when the pole pieces 11 on the first conveying line 10 are conveyed to the second conveying line 41 and the third conveying line 42, and a plurality of pole pieces 11 on the first conveying line 10 are conveyed to the second conveying line 41 and the third conveying line 42, respectively, so that a plurality of pole pieces 11 can exist on the second conveying line 41 and the third conveying line 42 simultaneously. The moving mechanism 60 moves the plurality of pole pieces 11 on the second conveying line 41 to the first lamination position 21 and moves the plurality of pole pieces 11 on the third conveying line 42 to the second lamination position 22, so that the moving mechanism 60 can move the two groups of pole pieces 11 on the second conveying line 41 and the third conveying line 42 to the corresponding lamination positions at a time, and loading of the plurality of pole pieces 11 is realized.

In use, the plurality of pole pieces 11 on the first conveyor line 10 are continuously conveyed to the second conveyor line 41 and the third conveyor line 42 respectively, and when a predetermined number of pole pieces 11 are conveyed to the second conveyor line 41 and the third conveyor line 42, the moving mechanism moves the two rows of pole pieces 11 on the second conveyor line 41 and the third conveyor line 42 to the first lamination position 21 and the second lamination position 22 respectively, and subsequent lamination operations are performed at the first lamination position 21 and the second lamination position 22.

The double-station feeding assembly in the embodiment can realize feeding of two rows of pole pieces 11, and one row of pole pieces 11 can be two or more pole pieces 11 according to the lengths of the second conveying line 41 and the third conveying line 42, so that the feeding efficiency of the pole pieces 11 is greatly improved, the speed of lamination is further improved, the production time of lithium batteries is shortened, and the production efficiency of the lithium batteries is improved. The pole pieces 11 on the second conveying line 41 and the third conveying line 42 are arranged in a plurality of rows and two columns, and the plurality of rows and the two columns of pole pieces 11 can be simultaneously moved to corresponding lamination positions by the moving mechanism 60, compared with the scheme that a single row or a single column of pole pieces 11 are simultaneously fed, the scheme of the embodiment can feed more pole pieces 11 at a time. The layout of the electrode plates 11 in multiple rows and two columns can fill the whole space better, so that the blank area in the transverse direction or the longitudinal direction is reduced, the same number of electrode plates 11 can occupy a smaller area, and the waste possibly caused by the layout of the electrode plates 11 in the single row and the single column, which are arranged too dispersedly, is avoided.

In one embodiment, the first conveying line 10 is disposed perpendicular to the second conveying line 41 and the third conveying line 42, respectively, and the arrangement at other angles with respect to the first conveying line 10 and the second conveying line 41 and the third conveying line 42, respectively, can make more full use of space.

In one embodiment, the first conveying line 10, the second conveying line 41 and the third conveying line 42 are magnetic attraction belts, the pole piece 11 can be attracted to the magnetic attraction belts, the first conveying line 10 is respectively arranged above one ends of the second conveying line 41 and the third conveying line 42, and the first conveying line 10 is respectively opposite to the lower surfaces of the second conveying line 41 and the third conveying line 42 and can be demagnetized.

In use, the pole piece 11 is sucked onto the first conveyor line 10 and is transferred along with the first conveyor line 10, and when the first pole piece 11 moves onto the first conveyor line 10 to face the lower end of the third conveyor line 42, the magnetic attraction force at the position on the first conveyor line 10 disappears, and the first pole piece 11 falls into the third conveyor line 42 and starts to move along with the third conveyor line 42. At the same time, the second pole piece 11 moves to the lower end of the first conveyor line 10 opposite to the second conveyor line 41, the magnetic attraction force at the position on the first conveyor line 10 disappears, and the second pole piece 11 falls into the second conveyor line 41 and starts to move along with the second conveyor line 41. By setting the magnetic attraction range, the demagnetizing range and the demagnetizing time on the first conveying line 10, the turning of the pole piece 11 is achieved. In other embodiments, the turning of the pole piece 11 may also be achieved by vacuum adsorption, vacuum breaking, etc.

In one embodiment, the dual station feed assembly further comprises a first pair of stations 31 and a second pair of stations 32 for adjusting the positions of the pole pieces 11, the movement mechanism 60 moving the plurality of pole pieces 11 on the second conveyor line 41 onto the first pair of stations 31 and moving the plurality of pole pieces 11 on the first pair of stations 31 onto the first lamination position 21; the transfer mechanism 60 also transfers the plurality of pole pieces 11 on the third conveyor line 42 to the second alignment stage 32 and transfers the plurality of pole pieces 11 on the second alignment stage 32 to the second lamination position 22. The transfer mechanism 60 includes a first group of transfer members 61 and a second group of transfer members 62, the first group of transfer members 61 transferring the plurality of pole pieces 11 on the second and third transfer lines 41 and 42 to the first and second alignment stages 31 and 32, respectively, and the second group of transfer members 62 transferring the plurality of pole pieces 11 on the first and second alignment stages 31 and 32 to the first and second lamination positions 21 and 22, respectively.

By providing the first set of moving members 61 and the second set of moving members 62, the movement of the pole pieces 11 on the second conveyor line 41/third conveyor line 42 and on the first alignment stage 31/second alignment stage 32 can be independently accomplished, respectively, without first moving the pole pieces 11 on the second conveyor line 41/third conveyor line 42, and then moving the pole pieces 11 on the first alignment stage 31/second alignment stage 32, thereby avoiding interference with each other.

In one embodiment, the first set of movers 61/second set of movers 62 may include a movement structure for picking and placing a column of pole pieces 11 and a pick and place structure slidably disposed on the movement structure that drives the pick and place structure between the first alignment stage 31 and the second conveyor line 41/first lamination station 21 or the second alignment stage 32 and the third conveyor line 42/second lamination station 22. The taking and placing structure can be a sucker, a clamping jaw or the like. The moving structure can be a slide rail matched with a motor or an air cylinder or the like. The first set of moving members 61 and the second set of moving members 62 may include four picking and placing structures, which may be slidably disposed on one moving mechanism, respectively, or may be disposed on the same moving mechanism, and the four picking and placing structures operate simultaneously, so that the moving of the column of pole pieces 11 on the second conveying line 41 to the first alignment stage 31, the moving of the column of pole pieces 11 on the first alignment stage 31 to the first lamination position 21, the moving of the column of pole pieces 11 on the third conveying line 42 to the second alignment stage 32, and the moving of the column of pole pieces 11 on the second alignment stage 32 to the second lamination position 22 are completed at a time. The synchronous operation of the first group of moving parts 61 and the second group of moving parts further saves time and greatly improves the feeding efficiency of the pole piece 11.

Wherein, a translation driving component and a rotation driving component can be arranged near the first alignment table 31/the second alignment table 32 and used for driving the pole piece 11 on the first alignment table 31/the second alignment table 32 to translate and rotate, thereby realizing the correction of the pole piece 11 on the first alignment table 31/the second alignment table 32. The circumference side of the first alignment table 31/the second alignment table 32 may also be provided with a detection assembly, such as a detection camera, where the detection assembly is used to detect the position of the pole piece 11, and the translational driving assembly and the rotational driving assembly perform translational and rotational correction on the pole piece 11 carried by the first alignment table 31/the second alignment table 32 according to the detection result of the detection assembly.

In one embodiment, the first and second buffer stages 51 and 52 are further included, and the first set of moving members is further used to move the plurality of pole pieces 11 between the buffer stages and the second and third conveyor lines 41 and 42, respectively. When the first lamination position 21/the second lamination position 22 is filled with enough pole pieces 11, the first conveying line 10, the second conveying line 41 and the third conveying line 42 do not stop working, and the pole pieces 11 in the rows on the second conveying line 41 and the third conveying line 42 can be stacked on the first buffer table 51 and the second buffer table 52. After the pole pieces 11 at the first lamination position 21 and the second lamination position 22 are blanked, the first group of moving members 61 can move the pole pieces 11 in the rows on the first buffer table 51 and the second buffer table 52 to the second conveying line 41 and the third conveying line 42, and then correct the deviation and feed the subsequent pole pieces 11. The first buffer table 51 and the second buffer table 52 are arranged, so that the conveying of the first conveying line 10, the second conveying line 41 and the third conveying line 42 is not interrupted or stopped, the conveying efficiency is higher, and the running speed is more stable.

In one embodiment, a duplex feeding lamination machine includes a first lamination stage, a second lamination stage, and two duplex feeding assemblies, wherein first lamination positions 21 of the two duplex feeding assemblies are all set at the first lamination stage, second lamination positions 22 of the two duplex feeding assemblies are all set at the second lamination stage, and the two duplex feeding assemblies feed positive and negative electrode plates 11 and 11 to the first lamination stage respectively, and feed positive and negative electrode plates 11 and 11 to the second lamination stage respectively simultaneously. The diaphragm can be attached to the upper surface and the lower surface of the negative electrode plate 11/the positive electrode plate 11, and is integrated with the negative electrode plate 11/the positive electrode plate 11 and conveyed simultaneously, so that the single-station feeding lamination machine can complete lamination. In other embodiments, the dual feed lamination machine further includes a diaphragm feed assembly for feeding the diaphragms onto the first lamination table and the second lamination table. The diaphragm feed assembly is prior art and will not be described in detail herein.

In one embodiment, the device further comprises a discharging assembly 70, two first lamination platforms and two second lamination platforms, wherein the first lamination platforms and the second lamination platforms are respectively arranged on the discharging assembly 70 in a sliding manner, the moving path of the discharging assembly 70 for driving the first lamination platforms comprises a first lamination position 21 and a discharging position, the moving path of the discharging assembly 70 for driving the second lamination platforms comprises a second lamination position 22 and a discharging position, and the first lamination platforms and the second lamination platforms respectively discharge materials on the first lamination platforms and the second lamination platforms at the discharging positions.

When in use, one of the first lamination platforms is placed at a first lamination position 21, one of the second lamination platforms is placed at a second lamination position 22, the positive and negative pole pieces 11 are respectively fed on the first lamination platform and the second lamination platform by utilizing two groups of double-station feeding components, after the first lamination stage and the second lamination stage are charged with the predetermined number of positive and negative electrode sheets 11, the first lamination stage and the second lamination stage are transferred from the first lamination position 21 and the second lamination position 22 to the discharging position by the discharging assembly 70, and the first lamination stage and the second lamination stage discharge the materials thereon at the discharging position. Simultaneously, the unloading assembly 70 moves the first lamination table and the second lamination table which are not used for placing the pole piece 11 to the first lamination position 21 and the second lamination position 22 respectively, and the first lamination table and the second lamination table which are not used for placing the pole piece 11 perform the loading lamination of the pole piece 11 at the first lamination position 21 and the second lamination position 22.

Through setting up subassembly 70, two first lamination platforms and two second lamination platforms of unloading, reduced pole piece 11 unloading operation time's waste, improved the efficiency of lamination. In other embodiments, three, four or more first lamination stations and second lamination stations may be provided, and the efficiency of lamination may be further improved.

The embodiments have been described so as to facilitate a person of ordinary skill in the art in order to understand and apply the present technology, it will be apparent to those skilled in the art that various modifications may be made to these examples and that the general principles described herein may be applied to other embodiments without undue burden. Therefore, the present application is not limited to the above embodiments, and modifications to the following cases should be within the scope of protection of the present application: (1) the technical scheme of the utility model is taken as the basis and combined with the new technical scheme implemented by the prior common general knowledge, and the technical effect produced by the new technical scheme is not beyond that of the utility model; (2) equivalent replacement of part of the characteristics of the technical scheme of the utility model by adopting the known technology produces the technical effect the same as that of the utility model; (3) the technical scheme of the utility model is taken as a basis for expanding, and the essence of the expanded technical scheme is not beyond the technical scheme of the utility model; (4) equivalent transformation made by the content of the specification and the drawings of the utility model is directly or indirectly applied to other related technical fields.

Claims (10)

1. The utility model provides a duplex position pay-off subassembly, its characterized in that includes first lamination position and second lamination position, first transfer chain, second transfer chain, third transfer chain and moves the mechanism, there is the contained angle and the three all are used for carrying the pole piece between first transfer chain and second transfer chain, the third transfer chain respectively, a plurality of pole pieces on the first transfer chain are carried respectively on second transfer chain and the third transfer chain, move the mechanism will a plurality of pole pieces on the second transfer chain move to on the first lamination position, and will a plurality of pole pieces on the third transfer chain move to on the second lamination position.

2. The duplex position feed assembly of claim 1, wherein the first conveyor line is disposed perpendicular to the second and third conveyor lines, respectively.

3. The dual-station feeding assembly according to claim 2, wherein the first conveying line, the second conveying line and the third conveying line are magnetic attraction/vacuum belts, the pole piece can be attracted to the magnetic attraction/vacuum belts, the first conveying line is respectively arranged above one ends of the second conveying line and the third conveying line, and the first conveying line is respectively opposite to the lower surfaces of the second conveying line and the third conveying line and can demagnetize/break vacuum.

4. A duplex feed assembly according to claim 1, 2 or 3, further comprising a first pair of alignment stations and a second pair of alignment stations for positioning pole pieces, the movement mechanism moving a plurality of pole pieces on the second conveyor line onto the first pair of alignment stations and a plurality of pole pieces on the first pair of alignment stations onto the first lamination location; the moving mechanism also moves the plurality of pole pieces on the third conveying line to the second alignment table and moves the plurality of pole pieces on the second alignment table to the second lamination position.

5. The dual station feed assembly of claim 4, wherein the transfer mechanism includes a first set of transfer members and a second set of transfer members, the first set of transfer members transferring the plurality of pole pieces on the second and third conveyor lines to the first and second alignment stations, respectively, and the second set of transfer members transferring the plurality of pole pieces on the first and second alignment stations to the first and second lamination positions, respectively.

6. The dual station feed assembly of claim 5, wherein the first set of moving members move the plurality of pole pieces on the second and third conveyor lines onto the first and second alignment stages, respectively, while the second set of moving members move the plurality of pole pieces on the first and second alignment stages onto the first and second lamination positions, respectively.

7. The duplex feed assembly of claim 5, further comprising a first buffer station and a second buffer station, the first set of movers further for moving the plurality of pole pieces between the buffer station and the second conveyor line, and the buffer station and the third conveyor line, respectively.

8. The duplex feed assembly of claims 5, 6, or 7, wherein the first set of movers and/or the second set of movers includes a movement structure and a pick-and-place structure slidably disposed on the movement structure, the pick-and-place structure for picking and placing pole pieces, the movement structure driving the pick-and-place structure to move.

9. Double-station feeding lamination machine, which is characterized by comprising a first lamination table, a second lamination table and two double-station feeding assemblies according to any one of claims 1-8, wherein the first lamination positions of the two double-station feeding assemblies are all arranged at the first lamination table, the second lamination positions of the two double-station feeding assemblies are all arranged at the second lamination table, and the two double-station feeding assemblies feed positive plates and negative plates to the first lamination table respectively and feed positive plates and negative plates to the second lamination table respectively.

10. The dual station feed laminator of claim 9, further including a discharge assembly, at least two of the first lamination stations and at least two of the second lamination stations, the first lamination stations and the second lamination stations being slidably disposed on the discharge assembly, respectively, the discharge assembly driving the path of movement of the first lamination stations to include the first lamination position and a discharge position, the discharge assembly driving the path of movement of the second lamination stations to include the second lamination position and a discharge position, respectively, at which the first lamination stations and the second lamination stations discharge material thereon.