CN218057311U

CN218057311U - Pole piece feeding mechanism

Info

Publication number: CN218057311U
Application number: CN202121770994.7U
Authority: CN
Inventors: 候赜坤
Original assignee: Svolt Energy Technology Co Ltd
Current assignee: Svolt Energy Technology Co Ltd
Priority date: 2021-07-30
Filing date: 2021-07-30
Publication date: 2022-12-16
Anticipated expiration: 2031-07-30

Abstract

The utility model provides a pole piece feeding mechanism, which comprises a frame body and a bearing part which vertically moves relative to the frame body, wherein the top of the bearing part is provided with a bearing surface for bearing pole pieces in a stacked state; the first supporting part is arranged between the lifting part and the bearing part; one end of the first supporting part is fixedly connected with the lifting part, and the other end of the first supporting part is pivotally attached to the bottom of the bearing part; the second supporting part and the first supporting part are arranged below the bearing part in parallel; the second support part is pivotally attached to the bottom of the carrier part and can be driven with a movement towards/away from the carrier part. Pole piece feed mechanism, hold the pole piece by the supporting part, through lifting portion and first supporting part adjustment supporting part height, recycle the angle of second supporting part adjustment supporting part to this guarantees pole piece surface level, improves production efficiency.

Description

Pole piece feeding mechanism

Technical Field

The utility model relates to a battery manufacturing technology field, in particular to pole piece feed mechanism.

Background

Due to the recent development of new technologies of lithium ion batteries, lithium ion batteries are a new generation of green high-energy batteries with excellent performance, and have become one of the key points of the development of high and new technologies. The lithium ion battery has the following characteristics: high voltage, high capacity, low consumption, no memory effect, no public hazard, small volume, small internal resistance, less self-discharge, more cycle times and the like.

In the manufacturing of lithium batteries, the manufacturing of pole pieces becomes an important part, and the manufacturing process of the pole pieces can be roughly divided into five processes of slurry preparation, slurry coating, pole piece rolling, pole piece slitting and pole piece drying. In the process of pole piece coating, the thick edge of the pole piece is easy to cause, therefore, the front section of the pole piece is generally adopted to increase the thinning area to eliminate the adverse effect of the thick edge, but the pole ear end of the pole piece is thinner due to the thinning area, and the surface thickness of the pole piece is uneven.

The feeding mechanism of the existing lamination manufacturer adopts the design of a plane cartridge clip backing plate, a single stepping motor is butted below the backing plate, the pole piece is driven to move up and down through the movement of the stepping motor, but the pole piece stacked in the cartridge clip above the backing plate can generate a very serious pole piece inclination phenomenon after reaching a certain number, and the heights of a pole lug end and a pole piece end can generate a larger height difference.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a pole piece feed mechanism to guarantee pole piece surface level, improve production efficiency.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

the utility model provides a pole piece feed mechanism, includes the support body, for support body vertical motion's bearing part, the top of bearing part has the bearing surface that bears the state pole piece that stacks, and this feed mechanism still includes:

the lifting part is positioned below the bearing part and can be driven to be close to or far away from the bearing part;

the first supporting part is arranged between the lifting part and the bearing part; one end of the first supporting part is fixedly connected with the lifting part, and the other end of the first supporting part is pivotally attached to the bottom of the bearing part;

the second supporting part is arranged below the bearing part in parallel with the first supporting part; the second support portion is pivotally attached to the bottom of the carrier portion and is drivable with a movement toward/away from the carrier portion.

Furthermore, a second driving part for driving the second supporting part to move is fixedly arranged above the lifting part.

Further, the second driving part includes a second motor fixed above the lifting part, and a second single-axis driver coupled between the second motor and the second supporting part.

Furthermore, a second rotating shaft is rotatably installed at the bottom of the bearing part, and the second supporting part is fixedly connected with the second rotating shaft.

Further, the second supporting part is connected to the second rotating shaft through a second connecting block; at least part of the top of the second connecting block is wrapped and fixedly connected in the circumferential direction of the second rotating shaft, and the bottom of the second connecting block is fixedly connected with the second supporting part.

Furthermore, a first rotating shaft is rotatably arranged below the bearing part, and the first supporting part is connected to the first rotating shaft through a first connecting block; at least partial parcel in the top of first connecting block links firmly in the circumference of first pivot, the bottom of first connecting block with first supporting part links firmly.

Further, in the below of lifting portion is equipped with first drive division, first drive division includes first motor, and fixes the support lifting rod of lifting portion below, in first motor with the drive connection has first single-axis driver between the support lifting rod.

Further, a distance detection device is positioned above the bearing part, and the distance detection device is provided with at least two distance detectors arranged at intervals; under the control of the controller, each distance detector respectively acquires a distance value between the upper surface of the pole piece in the stacked state and each distance detector.

Further, the distance detector adopts a laser range finder.

Further, the distance between each distance detection device is adjustable.

Compared with the prior art, the utility model discloses following advantage has:

pole piece feed mechanism, the pole piece is placed on the supporting part, through lifting portion and the whole height of first supporting part adjustment supporting part, the material loading of being convenient for, simultaneously, utilizes the angle of second supporting part adjustment supporting part to this adjustment pole piece surface levelness guarantees pole piece surface level, can improve the material loading efficiency of pole piece, and then improves production efficiency.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

fig. 1 is a schematic view of an overall structure of a pole piece feeding mechanism according to an embodiment of the present invention;

fig. 2 is a schematic structural view of the pole piece feeding mechanism according to the embodiment of the present invention after the frame is hidden;

fig. 3 is a partial structure view of the pole piece feeding mechanism according to the embodiment of the present invention.

Description of reference numerals:

1. a frame body; 101. a cartridge clip; 102. a main board; 103. a fixing plate; 2. a bearing part; 201. a bearing surface; 202. a first rotating shaft; 203. a second rotating shaft; 3. a lifting part; 4. a first support section; 401. a first connection block; 5. a second support portion; 501. a second connecting block; 6. a first driving section; 601. a first motor; 602. a first single-axis driver; 603. a lifting rod; 7. a second driving section; 701. a second motor; 702. a second single-axis driver; 8. a distance detection device; 801. a distance detector.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it should be noted that, if terms indicating orientation or positional relationship such as "upper", "lower", "inner", "outer", etc. appear, they are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the appearances of the terms first, second, etc. in this specification are not necessarily all referring to the same item, but are instead intended to cover the same item.

In addition, in the description of the present invention, the terms "mounted," "connected," and "connecting" are to be construed broadly unless otherwise specifically limited. For example, the connection can be fixed, detachable or integrated; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. To those of ordinary skill in the art, the specific meaning of the above terms in the present invention can be understood in combination with the specific situation.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

The utility model relates to a pole piece feed mechanism, it is in overall structure, including support body 1, for support body 1 vertical motion's supporting part 2, lift portion 3, first supporting part 4 and second supporting part 5, wherein, support body 1 includes cartridge clip 101 to and the mainboard 102 that the level was arranged, cartridge clip 101 is fixed on the mainboard, and supporting part 2 sets up in cartridge clip 101.

The top of the bearing part 2 is provided with a bearing surface 201 for bearing the pole pieces in a stacked state, and the lifting part 3 is positioned below the bearing part 2 and can be driven to be close to or far from the bearing part 2; the first supporting part 4 is arranged between the lifting part 3 and the bearing part 2, one end of the first supporting part 4 is fixedly connected with the lifting part 3, and the other end is pivotally attached to the bottom of the bearing part 2; the second support 5 is arranged in parallel with the first support 4 below the carrier 2, the second support 5 being pivotally attached to the bottom of the carrier 2 and being drivable with a movement towards/away from the carrier 2.

Through as above structure, the pole piece is placed on bearing part 2, and first supporting

part

4 and 3 combined action of portion of lifting can adjust bearing part 2's height, the material loading of being convenient for, simultaneously, utilize 5 angles of adjustment bearing part 2 of second supporting part to this adjustment pole piece surface levelness guarantees pole piece surface level, can improve the material loading efficiency of pole piece, and then improves production efficiency.

Based on the above overall structure, the present embodiment relates to an exemplary structure of a pole piece feeding mechanism, as shown in fig. 1 to fig. 3, wherein a gap is left between the carrying portion 2 and the cartridge clip 101 for adjusting the angle, and generally, the pole piece is placed in the middle of the carrying surface 201 for feeding.

In this embodiment, as shown in fig. 3, the first rotating shaft 202 is installed at the bottom of the bearing part 2 in a rotating manner, the first supporting part 4 is connected to the first rotating shaft 202 via the first connecting block 401 to form an attachment between the first supporting part 4 and the bearing part 2, the bottom of the first connecting block 401 is fixedly connected to the first supporting part 4, at least a part of the top of the first connecting block 401 is wrapped and fixedly connected to the circumference of the first rotating shaft 202, so that the first connecting block 401 is in butt joint with the first rotating shaft 202, and the stability is improved.

The second rotating shaft 203 is rotatably installed at the bottom of the bearing part 2, the second supporting part 5 is connected to the second rotating shaft 203 through the second connecting block 501 to form attachment of the second supporting part 5 and the bearing part 2, the bottom of the second connecting block 501 is fixedly connected with the second supporting part 5, and at least part of the top of the second connecting block 501 is wrapped and fixedly connected in the circumferential direction of the second rotating shaft 203, so that the second connecting block 501 is in butt joint with the second rotating shaft 203, and the stability is improved.

Referring to fig. 2, a first driving portion 6 is disposed below the lifting portion 3, the first driving portion 6 includes a first motor 601, a lifting rod 603 fixed below the lifting portion 3, and a first single-axis driver 602 is drivingly coupled between the first motor 601 and the lifting rod 603.

It can be seen that, by activating the first motor 601, the first motor 601 can drive the first single-shaft driver 602 to move, and based on the setting of the lifting rod 603, the first single-shaft driver 602 can make the lifting part 3 move upwards or downwards, and at this time, the first supporting part 4 can make the bearing part 2 move, so as to achieve the purpose of adjusting the height of the pole piece.

In addition, a second driving part 7 for driving the second supporting part 5 to move is fixedly installed above the lifting part 3, and the second driving part 7 includes a second motor 701 fixed above the lifting part 3 and a second single-shaft driver 702 coupled between the second motor 701 and the second supporting part 5.

After first motor 601 starts, first supporting part 4 promotes the motion of supporting part 2, make and produce the difference in height between first supporting part 4 and the second supporting part 5, start second motor 701, second motor 701 drives the motion of second single-axis driver 702, because first supporting

part

4 and 3 fixed connection of portion of lifting, move as second single-axis driver 702, the angle of supporting part 2 can be adjusted to second supporting part 5, the angularly adjustable of supporting part 2, can mend the difference in height of utmost point ear end and tail end, thereby guarantee the surface level of pole piece, and can improve the production efficiency of pole piece.

In order to realize automation and improve the feeding efficiency of the pole pieces, a distance detection device 8 is positioned above the bearing part 2, the distance detection device 8 can be installed on a rack, the distance detection device 8 is provided with at least two distance detectors 801 arranged at intervals, and under the control of a controller, the distance detectors 801 respectively acquire distance values between the upper surfaces of the pole pieces in a stacked state and the distance detectors 801. Preferably, the controller may be a single chip microcomputer system, the distance detector 801 may be a laser distance meter, and the laser distance meter has the advantages of small size, light weight, high measurement accuracy and the like.

In this embodiment, distance detection device 8 sets up to two, can be used for detecting the high distance of pole piece utmost point ear end respectively, and the high distance of pole piece tail end, and based on the data that distance detection device 8 detected, calculate the difference in height around the pole piece through the controller, and convert difference in height data into the distance of the route of second motor 701 motion, second motor 701 receives the instruction back of migration distance, drive the motion of second supporting part 5, thereby can adjust the angle of bearing part 2, can improve the material loading efficiency of pole piece when realizing automaticly.

Because the specification of pole piece is inequality, for the pole piece that adapts to different specifications, each is apart from the adjustable interval between detection device 8, in this embodiment, as shown in fig. 2, be provided with the fixed plate 103 that relative mainboard 102 level set up on the support body 1, fixed plate 103 is used for installation apart from detection device 8, the spout has been seted up on fixed plate 103, it is equipped with the slider to correspond the spout from detection device 8, the slider is arranged in the spout and the two sliding connection, apart from detection device 8 adopts the connected mode of slider and spout, moreover, the steam generator is simple in structure, be convenient for adjust two positions apart from detection device 8.

The pole piece feed mechanism of this embodiment, first motor 601 drive first single-axis driver 602, realize the motion of portion 3 of lifting through holding in the palm lifting rod 603, thereby can adjust 2 whole heights of bearing part, and simultaneously, utilize the difference in height at 8 detection pole piece both ends of distance detection device, and convert the difference in height data into second motor 701's removal stroke through the controller, second motor 701 receives and drives second single-axis driver 702 motion after the instruction, and adjustable bearing part 2's angle, with this adjustment pole piece surface levelness, guarantee pole piece surface level, can improve the material loading efficiency of pole piece, and then improve production efficiency.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a pole piece feed mechanism, includes support body (1), for support body (1) vertical motion's bearing part (2), the top of bearing part (2) has bearing surface (201) that the state pole piece was stacked in the bearing of bearing, and this feed mechanism of its characterized in that still includes:

the lifting part (3) is positioned below the bearing part (2) and can be driven to approach to/depart from the bearing part (2);

a first support part (4) arranged between the lifting part (3) and the bearing part (2); one end of the first supporting part (4) is fixedly connected with the lifting part (3), and the other end of the first supporting part is pivotally attached to the bottom of the bearing part (2);

a second support (5) arranged below the carrier (2) in parallel with the first support (4); the second support (5) is pivotally attached to the bottom of the carrier (2) and can be driven with a movement towards/away from the carrier (2).

2. The pole piece feed mechanism of claim 1, wherein: a second driving part (7) for driving the second supporting part (5) to move is fixedly arranged above the lifting part (3).

3. The pole piece feed mechanism of claim 2, wherein: the second drive section (7) comprises a second motor (701) fixed above the lifting section (3), and a second single-axis drive (702) coupled between the second motor (701) and the second support section (5).

4. The pole piece feed mechanism of claim 2, wherein: and a second rotating shaft (203) is rotatably arranged at the bottom of the bearing part (2), and the second supporting part (5) is fixedly connected with the second rotating shaft (203).

5. The pole piece feed mechanism of claim 4, wherein: the second supporting part (5) is connected to the second rotating shaft (203) through a second connecting block (501); at least partial parcel in the top of second connecting block (501) links firmly in the circumference of second pivot (203), the bottom of second connecting block (501) with second supporting part (5) link firmly.

6. The pole piece feed mechanism of claim 1, wherein: a first rotating shaft (202) is rotatably arranged below the bearing part (2), and the first supporting part (4) is connected to the first rotating shaft (202) through a first connecting block (401); the top of the first connecting block (401) is at least partially wrapped and fixedly connected in the circumferential direction of the first rotating shaft (202), and the bottom of the first connecting block (401) is fixedly connected with the first supporting part (4).

7. The pole piece feed mechanism of claim 1, wherein: in the below of lifting portion (3) is equipped with first drive division (6), first drive division (6) include first motor (601), and fix lift pole (603) of lifting portion (3) below, in first motor (601) with the drive coupling has first single-axis drive (602) between lift pole (603).

8. The pole piece feed mechanism of any one of claims 1 to 7, wherein: a distance detection device (8) is positioned above the bearing part (2), and the distance detection device (8) is provided with at least two distance detectors (801) arranged at intervals; under the control of the controller, each distance detector (801) respectively acquires a distance value between the upper surface of the pole piece in the stacked state and each distance detector (801).

9. The pole piece feed mechanism of claim 8, wherein: the distance detector (801) employs a laser range finder.

10. The pole piece feed mechanism of claim 8, wherein: the distance between the distance detection devices (8) is adjustable.