Z-type lamination device for battery core lamination
阅读说明:本技术 一种电芯叠片的z式叠片装置 (Z-type lamination device for battery core lamination ) 是由 于成信 于 2019-08-22 设计创作,主要内容包括:发明公开了一种电芯叠片的Z式叠片装置,包括机架、叠片台、可移动设置于机架上的移动机构、向叠片台输送隔膜的第一输送机构,叠片台上方相对两侧分别设置有用于输送正、负极片的第二输送机构,第二输送机构固定于机架上,固定于机架上的第一输送机构设置于两第二输送机构之间;叠片台两侧对称设置有用于对叠片台上极片进行压持的压持机构;叠片台在通过往复运动即可实现电芯中极片的叠片,提高了极片的叠片效率。(The invention discloses a Z-type lamination device for battery cell lamination, which comprises a rack, a lamination table, a moving mechanism movably arranged on the rack and a first conveying mechanism for conveying a diaphragm to the lamination table, wherein second conveying mechanisms for conveying a positive electrode sheet and a negative electrode sheet are respectively arranged on two opposite sides above the lamination table, the second conveying mechanisms are fixed on the rack, and the first conveying mechanism fixed on the rack is arranged between the two second conveying mechanisms; pressing mechanisms for pressing and holding the pole pieces on the lamination table are symmetrically arranged on two sides of the lamination table; the lamination platform can realize the lamination of the pole pieces in the battery cell through reciprocating motion, so that the lamination efficiency of the pole pieces is improved.)
1. A Z-type lamination device for battery cell lamination comprises a rack (1), a lamination table (2), a moving mechanism (3) movably arranged on the rack (1), and a first conveying mechanism (7) for conveying a diaphragm to the lamination table (2), and is characterized in that second conveying mechanisms (6) for conveying positive and negative plates are respectively arranged on two opposite sides above the lamination table (2), the second conveying mechanisms (6) are fixed on the rack (1), and the first conveying mechanism (7) fixed on the rack (1) is arranged between the two second conveying mechanisms (6);
the two sides of the lamination table (2) are symmetrically provided with pressing and holding mechanisms (4) used for pressing and holding the pole pieces on the lamination table (2), the pressing and holding mechanisms (4) are fixed on the moving mechanism (3), and the lamination table (2) and the pressing and holding mechanisms (4) are fixedly arranged on the moving mechanism (3) to realize movement.
2. The Z-type lamination device for the battery cell laminations, according to claim 1, is characterized in that the moving mechanism (3) comprises a horizontal moving mechanism (31), a lifting mechanism (32) fixed on the horizontal moving mechanism (31) and a deviation correcting mechanism (33) for correcting the running deviation of the lamination table (2), wherein the driving end of the lifting mechanism (32) is connected with a supporting platform (22) arranged on the lower surface of the lamination table (2), and the deviation correcting mechanism (33) is fixedly connected with the supporting platform (22); the horizontal moving mechanism (31) is movably arranged on the frame (1) to drive the lamination table (2) to move.
3. The Z-type lamination device for the cell laminations is characterized in that the horizontal moving mechanism (31) comprises a linear motor (311), a guide rail sliding mechanism (312) and a moving platform (313), the lamination table (2) is arranged on the moving platform (313), the guide rail sliding mechanisms (312) are arranged on two opposite sides of the upper surface of the rack (1), the driving end of the linear motor (311) fixed on the upper surface of the rack (1) is connected with the moving platform (313), and the moving direction of the linear motor (311) driving the lamination table (2) is axially parallel to the guide rail sliding mechanism (312);
the lower surface of the lamination table (2) is provided with a first roller matched with the guide rail sliding mechanism (312) so as to realize the horizontal movement of the lamination table (2) on the guide rail sliding mechanism (312).
4. The Z-type lamination device for the cell laminations is characterized in that the lifting mechanism (32) comprises a lifting driving mechanism (321), a first ball screw mechanism (322) and a first guide rail slider mechanism (323) for supporting the lamination table (2) to move up and down, one end of the first ball screw mechanism (322) is fixed on a moving platform (313) of the horizontal moving mechanism (31), the other end of the first ball screw mechanism is connected to the output end of the lifting driving mechanism (321), a second plate (325) is fixed on the first ball screw mechanism (322), the other end of the second plate (325) is fixedly connected with a deviation correcting mechanism (33), and the lifting driving mechanism (321) drives the deviation correcting mechanism (33) to drive the lamination table (2) to move up and down along the first ball screw mechanism (322);
the lifting driving mechanism (321) and the first ball screw mechanism (322) are arranged in parallel, the output end of the lifting driving mechanism (321) and the top end of the first ball screw mechanism (322) are respectively connected with a synchronizing wheel (324), the two synchronizing wheels (324) are connected through a synchronizing belt, and the lifting driving mechanism (321) drives the first ball screw mechanism (322) to move up and down by driving the rotation between the synchronizing wheels (324).
5. The Z-type lamination device of the cell lamination according to claim 2, wherein the deviation correcting mechanism (33) comprises a deviation correcting driving mechanism (331), a second ball screw mechanism (332), a second guide rail sliding block mechanism (333) and a deviation correcting plate (334), the deviation correcting driving mechanism (331) is fixed on the horizontal moving mechanism (31), one end of the second ball screw mechanism (332) is connected to the output end of the deviation correcting driving mechanism (331), a third plate (336) is fixed on the second ball screw mechanism (332), the other end of the third plate (336) is fixedly connected with the deviation correcting plate (334), and the third plate (336) at the connection position with the deviation correcting plate (334) is slidably connected with the second guide rail sliding block mechanism (333).
6. The Z-type lamination device for the cell laminations is characterized in that the pressing and holding mechanism comprises a pressing knife (41) and a pressing knife driving mechanism fixed on the horizontal moving mechanism (31), the output end of the pressing knife driving mechanism is connected with one end of the pressing knife (41), and the other end of the pressing knife (41) is in free contact with the lamination table (2);
the pressing and holding mechanism (4) comprises a lifting mechanism and a first moving driving mechanism (44), the first moving driving mechanism (44) is fixed on the horizontal moving mechanism (31), the output end of the lifting mechanism is connected with one end of the pressing knife (41) to drive the pressing knife (41) to move up and down, and the output end of the first moving driving mechanism (44) is connected with the lifting mechanism to drive the pressing knife (41) to move left and right.
7. The Z-type lamination device for the battery cell laminations, according to claim 6, is characterized in that the lifting mechanism comprises a lifting cylinder (42), a third guide rail slider mechanism (43) and a lamination support (45) fixed on the horizontal moving mechanism (31), the third guide rail slider mechanism (43) is fixedly arranged on the lamination support (45), and the lifting cylinder (42) is movably fixed on the lamination support (45) through the third guide rail slider mechanism (43); the output end of the lifting cylinder (42) is connected with one end of the pressing knife (41) to drive the pressing knife (41) to move up and down, and the output end of the first moving driving mechanism (44) is fixedly connected with the lifting cylinder (42) to drive the lifting cylinder (42) to move left and right along the third guide rail sliding block mechanism (43).
8. The Z-type lamination device for the battery cell laminations of any one of claims 1 to 7, wherein the second conveying mechanism (6) comprises a vertical column (61) and a pole piece fixing mechanism (62), one end of the vertical column (61) is fixed on the frame (1), the other end of the vertical column (61) is fixed with a linear module (63), the output end of the linear module (63) is fixedly connected with the fixed end of the pole piece fixing mechanism (62), and the pole piece is fixed by the clamping end of the pole piece fixing mechanism (62);
pole piece fixed establishment (62) includes first fixed plate (621), first actuating mechanism and sucking disc (622), the output fixed connection of first fixed plate (621) and sharp module (63), and first actuating mechanism's stiff end is connected with first fixed plate (621), the output is connected with the stiff end of sucking disc (622) to drive sucking disc (622) motion, the adsorption end of sucking disc (622) is fixed with the pole piece.
9. The Z-type lamination device for cell laminations, according to claim 8, characterized in that the first driving mechanism comprises a first cylinder (623) and a sucker support (624), the first cylinder (623) is fixed on the first fixing plate (621), an output end of the first cylinder (623) is fixedly connected with one end of the sucker support (624), the other end of the sucker support (624) is connected with a fixed end of the sucker (624), and the first cylinder (623) drives the sucker support (624) to drive the sucker (624) to move.
10. The Z-type lamination device for the battery cell lamination according to any one of claims 1 to 7, wherein the first conveying mechanism (7) comprises two membrane rollers (71) and a membrane cavity for placing a membrane, and the two membrane rollers (71) are respectively arranged at two opposite sides of an outlet of the membrane cavity;
the moving mechanism (3) moves between two opposite second conveying mechanisms (6).
Technical Field
The invention relates to the technical field of lithium ion batteries, in particular to a Z-type lamination device for battery cell lamination.
Background
With the development of battery technology and the increase of energy density of batteries, lithium batteries have been able to meet more demands, so the market demand for batteries is also continuously increasing. The lithium battery mainly comprises a battery core and a shell, the battery core mainly comprises a pole piece diaphragm, the positive pole piece and the negative pole piece are stacked on the lamination table in sequence through a mechanical arm which slides in a reciprocating mode in the manufacturing process of the conventional lithium ion battery core, the lamination is completed by using a fixed lamination table or a reciprocating lamination table, the lamination efficiency is low, and the lamination consistency is poor.
Disclosure of Invention
Based on the technical problems in the prior art, the invention provides the Z-type laminating device for the lamination of the battery cell, the lamination of the pole pieces in the battery cell can be realized through the reciprocating motion of the lamination table, and the lamination efficiency of the pole pieces is improved.
The invention provides a Z-type lamination device for battery cell lamination, which comprises a rack, a lamination table, a moving mechanism movably arranged on the rack and a first conveying mechanism for conveying a diaphragm to the lamination table, wherein second conveying mechanisms for conveying a positive electrode sheet and a negative electrode sheet are respectively arranged on two opposite sides above the lamination table, the second conveying mechanisms are fixed on the rack, and the first conveying mechanism fixed on the rack is arranged between the two second conveying mechanisms; the two sides of the lamination table are symmetrically provided with pressing mechanisms for pressing and holding the pole piece on the lamination table, the pressing mechanisms are fixed on the moving mechanism, and the lamination table and the pressing mechanisms are fixedly arranged on the moving mechanism to realize movement.
Furthermore, the moving mechanism comprises a horizontal moving mechanism, a lifting mechanism fixed on the horizontal moving mechanism and a deviation rectifying mechanism for rectifying deviation of the operation of the lamination table, the driving end of the lifting mechanism is connected with a supporting platform arranged on the lower surface of the lamination table, the deviation rectifying mechanism is fixedly connected with the supporting platform, and the horizontal moving mechanism is movably arranged on the rack so as to drive the lamination table to move.
Furthermore, the horizontal moving mechanism comprises a linear motor, a guide rail sliding mechanism and a moving platform, the lamination table is arranged on the moving platform, the guide rail sliding mechanisms are arranged on two opposite sides of the upper surface of the rack, the linear motor driving end fixed on the upper surface of the rack is connected with the moving platform, and the linear motor drives the movement direction of the lamination table to be parallel to the axial direction of the guide rail sliding mechanism; the lower surface of the lamination table is provided with a first roller matched with the guide rail sliding mechanism so as to realize the horizontal movement of the lamination table on the guide rail sliding mechanism.
Furthermore, the lifting mechanism comprises a lifting driving mechanism, a first ball screw mechanism and a first guide rail slider mechanism used for supporting the lamination table to move up and down, one end of the first ball screw mechanism is fixed on a moving platform of the horizontal moving mechanism, the other end of the first ball screw mechanism is connected to the output end of the lifting driving mechanism, a second plate is fixed on the first ball screw mechanism, the other end of the second plate is fixedly connected with the deviation correcting mechanism, and the lifting driving mechanism drives the deviation correcting mechanism to drive the lamination table to move up and down along the first ball screw mechanism.
The lifting driving mechanism and the first ball screw mechanism are arranged in parallel in the frame of the lifting platform, the output end of the lifting driving mechanism and the top end of the first ball screw mechanism are respectively connected with a synchronous wheel, the two synchronous wheels are connected through a synchronous belt, and the lifting driving mechanism drives the first ball screw mechanism to move up and down by driving the rotation between the synchronous wheels.
Further, the deviation correcting mechanism comprises a deviation correcting driving mechanism, a second ball screw mechanism, a second guide rail sliding block mechanism and a deviation correcting plate, the deviation correcting driving mechanism is fixed on the horizontal moving mechanism, one end of the second ball screw mechanism is connected to the output end of the deviation correcting driving mechanism, a third plate is fixed on the second ball screw mechanism, the other end of the third plate is fixedly connected with the deviation correcting plate, the third plate at the connection part of the deviation correcting plate and the second guide rail sliding block mechanism can be connected in a sliding manner,
Furthermore, the pressing mechanism comprises a pressing knife and a pressing knife driving mechanism fixed on the horizontal moving mechanism, the output end of the pressing knife driving mechanism is connected with one end of the pressing knife, and the other end of the pressing knife is in free contact with the lamination table; the pressing mechanism comprises a lifting mechanism and a first moving driving mechanism, the first moving driving mechanism is fixed on the horizontal moving mechanism, the output end of the lifting mechanism is connected with one end of the pressing knife to drive the pressing knife to move up and down, and the output end of the first moving driving mechanism is connected with the lifting mechanism to drive the pressing knife to move left and right;
furthermore, the lifting mechanism comprises a lifting cylinder, a third guide rail sliding block mechanism and a lamination support fixed on the horizontal moving mechanism, the third guide rail sliding block mechanism is fixedly arranged on the lamination support, and the lifting cylinder is movably fixed on the lamination support through the third guide rail sliding block mechanism; the output end of the lifting cylinder is connected with one end of the pressing knife to drive the pressing knife to move up and down, and the output end of the first moving driving mechanism is fixedly connected with the lifting cylinder to drive the lifting cylinder to move left and right along the third guide rail sliding block mechanism.
Further, the second conveying mechanism comprises a stand column and a pole piece fixing mechanism, one end of the stand column is fixed on the rack, the other end of the stand column is fixed with a linear module, the output end of the linear module is fixedly connected with the fixed end of the pole piece fixing mechanism, and a pole piece is fixed by a clamping end of the pole piece fixing mechanism; the pole piece fixing mechanism comprises a first fixing plate, a first driving mechanism and a sucker, the first fixing plate is fixedly connected with the output end of the linear module, the fixed end of the first driving mechanism is connected with the first fixing plate, the output end of the first driving mechanism is connected with the fixed end of the sucker so as to drive the sucker to move, and a pole piece is fixed at the adsorption end of the sucker;
furthermore, the first driving mechanism comprises a first air cylinder and a sucker support, the first air cylinder is fixed on the first fixing plate, the output end of the first air cylinder is fixedly connected with one end of the sucker support, the other end of the sucker support is connected with the fixed end of the sucker, and the first air cylinder drives the sucker support to drive the sucker to move.
Further, the first conveying mechanism comprises two diaphragm rollers and a diaphragm cavity for placing a diaphragm, and the two diaphragm rollers are respectively arranged on two opposite sides of an outlet of the diaphragm cavity; the moving mechanism moves between the two opposite second conveying mechanisms.
The Z-type lamination device for the battery cell lamination provided by the invention has the advantages that: according to the Z-type laminating device for the battery cell lamination, provided by the invention, the lamination of the pole pieces in the battery cell can be realized through reciprocating motion of the laminating table, so that the laminating efficiency of the pole pieces is improved, meanwhile, the first conveying mechanism is placed between the two second conveying mechanisms, and the diaphragm can be directly arranged between the pole pieces in a reciprocating mode along with the motion of the laminating table, so that the laminating quality of the pole pieces is further realized; the lifting mechanism enables the device to adapt to the requirements of pole pieces of different specifications on lamination, thereby realizing the effect of eliminating the thickness difference of the pole pieces; the deviation rectifying mechanism rectifies the diaphragm in the lamination process of the lamination machine so as to improve the fit degree of the diaphragm and the pole piece on the lamination table and improve the lamination quality; when the pressing knife needs to be pulled out, the air source of the lifting cylinder is exhausted, so that the pressing knife is separated from the pole piece on the lamination table, then the first moving driving mechanism stretches and retracts to drive the pressing knife to be separated from the lamination table, the pressing knife is not contacted with the battery pole piece when being pulled out, indentation friction of the battery pole piece caused by the pressure friction when the pressing knife is pulled out is fundamentally eliminated, and the consistency and the quality of a product are improved.
Drawings
Fig. 1 is a schematic structural diagram of a Z-type lamination device for cell lamination according to the present invention;
FIG. 2 is a structural diagram of the moving mechanism and the deviation correcting mechanism in FIG. 1;
fig. 3 is a plan view of the moving mechanism and the first conveying mechanism;
FIG. 4 is a schematic structural view of a horizontal movement mechanism;
FIG. 5 is a schematic structural view of the lifting mechanism;
FIG. 6 is a detailed structural diagram of the lifting mechanism in FIG. 5;
FIG. 7 is a schematic structural view of the pressing mechanism;
FIG. 8 is a schematic structural diagram of a deviation correcting mechanism;
wherein, 1-a frame, 2-a laminating table, 3-a moving mechanism, 4-a pressing mechanism, 6-a second conveying mechanism, 7-a first conveying mechanism, 21-a lifting table, 22-a supporting platform, 31-a horizontal moving mechanism, 32-a lifting mechanism, 33-a deviation correcting mechanism, 41-a pressing knife, 42-a lifting cylinder, 43-a third guide rail sliding block mechanism, 44-a first moving driving mechanism, 45-a laminating support, 61-a column, 62-a pole piece fixing mechanism, 63-a linear module, 71-a diaphragm roller, 621-a first fixing plate, 622-a sucker, 623-a first cylinder, 624-a sucker support, 311-a linear motor, 312-a guide rail sliding mechanism, 313-a moving platform and 321-a lifting driving mechanism, 322-a first ball screw mechanism, 323-a first guide rail sliding block mechanism, 324-a synchronous wheel, 325-a second plate, 331-a deviation-rectifying driving mechanism, 332-a second ball screw mechanism, 333-a second guide rail sliding block mechanism 334-a deviation-rectifying plate, 335-a first plate, 336-a third plate, 337-a first limiting block, 411-a first press knife, 412-a third press knife, 421-a first lifting cylinder, 422-a third lifting cylinder, 441-a first moving cylinder, 442-a first moving cylinder, 511-a second press knife, 512-a fourth press knife, 521-a second lifting cylinder, 522-a fourth lifting cylinder, 541-a second moving cylinder and 542-a second moving cylinder.
Detailed Description
The present invention is described in detail below with reference to specific embodiments, and in the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, but rather should be construed as broadly as the present invention is capable of modification in various respects, all without departing from the spirit and scope of the present invention.
Referring to fig. 1 to 8, the Z-type lamination device for battery cell lamination provided by the invention comprises a rack 1, a lamination table 2, a
The
As shown in fig. 3, the
The
As shown in fig. 4, the
As shown in fig. 5 and 6, the
as shown in fig. 6, the
As shown in fig. 8, the deviation rectifying mechanism 33 includes a deviation rectifying
The deviation-rectifying
As shown in fig. 7, the pressing and holding mechanism includes a pressing knife 41 and a pressing knife driving mechanism fixed on the
The lifting mechanism comprises a lifting cylinder 42, a third guide rail
As shown in fig. 1 and 2, the
The first driving mechanism comprises a
As shown in fig. 3, the
the working process is as follows: two pressing and
Then the lamination table 2 pulls the membrane to move leftwards along with the
In the above reciprocating Z-type lamination, the lamination table 2 controls the lifting of the lamination table 2 through the
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
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