CN212461961U

CN212461961U - Battery formation and capacity-grading power connection device and battery formation and capacity-grading clamp

Info

Publication number: CN212461961U
Application number: CN202021758622.8U
Authority: CN
Inventors: 毛铁军; 罗孝福
Original assignee: Shenzhen Newpower Automatic Equipment Co ltd
Current assignee: Shenzhen Newpower Automatic Equipment Co ltd
Priority date: 2020-08-18
Filing date: 2020-08-18
Publication date: 2021-02-02
Anticipated expiration: 2030-08-18

Abstract

The utility model belongs to the field of battery formation and capacity division mechanical equipment, in particular to a battery formation and capacity division power connection device and a battery formation and capacity division clamp; the gas bag comprises a first gas bag arranged on one side of a laminated board and a power connection board attached to the outer surface of the first gas bag; the bottom end of the power connection plate is provided with a connection end for connecting a formation power supply or a capacitance-divided power supply; the first air bag is ventilated and expanded to push the electric plate to move towards the direction of a pole lug pressing mechanism for pressing the pole lug. The battery clamping is between the adjacent layer pressing plates of the formation clamp or the capacity grading clamp, when the battery pole lug is pressed on the electricity collecting plate, when the pole lug of the battery is in the central position close to the thickness, the first air bag is ventilated and expanded, so that the electricity collecting plate moves towards one side, the electricity collecting plate is contacted with the pole lug, the pole lug is pressed on the electricity collecting plate by the pole lug pressing mechanism, the excessive displacement deformation of the pole lug is avoided, and the protection effect on the pole lug of the opposite pole lug is achieved.

Description

Battery formation and capacity-grading power connection device and battery formation and capacity-grading clamp

Technical Field

The utility model belongs to the technical field of battery production facility, especially, relate to a battery ization becomes, partial capacity connects electric installation and battery ization becomes, partial capacity anchor clamps.

Background

The soft package battery is a main battery of new energy at present; in the production process of the soft package battery, processes such as liquid injection, formation, capacity grading and the like are required. In the process of battery reformulation and capacity grading, the battery needs to be electrified. In the prior art, during formation or capacity grading of a battery, the battery needs to be clamped in a clamp; for example, the Chinese patent document publication numbers are: the formation clamp of the polymer lithium ion battery disclosed in CN107732310A describes that the battery is clamped between adjacent laminated plates of the clamp, and the battery is clamped by a pressure device; and the pole ear of the battery is pressed on the electricity-connecting plate of the adjacent laminated plate through the elastic pressing block. However, in the actual production process, the variety of the battery is diversified, the thickness of the battery is also different, and the positions of the tabs are different, and the electricity collecting plate in the prior art is fixedly attached to one side of the laminated plate, the tabs are compressed on the electricity collecting plate through the tab compression mechanism, when the tabs are located at the middle position of the battery thickness, or are close to the central position of the battery thickness, when the tabs are compressed, the battery tabs are bent, the tabs are excessively bent, cracks can be formed, and the battery is poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a battery ization becomes, partial capacity connects electric installation and battery ization becomes, partial capacity anchor clamps, aims at solving present battery clamping and in becoming or partial capacity anchor clamps, when compressing tightly battery tab, can cause the problem that utmost point ear bending type becomes crease or crack.

In order to achieve the above object, an embodiment of the present invention provides a battery formation and capacitance-division power connection device, which is used for forming or capacitance-division power connection of a tab of a battery; the gas bag comprises a first gas bag arranged on one side of a laminated board and a power connection board attached to the outer surface of the first gas bag; the bottom end of the power connection plate is provided with a connection end for connecting a formation power supply or a capacitance-divided power supply; the first air bag is ventilated and expanded to push the electric plate to move towards the direction of a pole lug pressing mechanism for pressing the pole lug.

Further, the structure of first air pocket is the pipe strip form, the upper end of first air pocket is for sealing, and the lower extreme is provided with the air cock for connect the gas with gas supply system.

Further, the first air bag is attached to the mounting plate, a first mounting seat and a second mounting seat are arranged at two ends of the mounting plate respectively, the first mounting seat is connected to the top of the laminated plate, and the second mounting seat is arranged at the bottom of the laminated plate.

Furthermore, first mount pad with one side of second mount pad all is provided with "T" type groove, "T" type groove lower extreme of second mount pad is provided with the locating part, "T" type inslot of first mount pad is spacing to the upper end of mounting panel, and the lower extreme is spacing to be in "T" type groove of second mount pad and the tip of lower extreme are spacing on the locating part.

Furthermore, the one end that connects the electroplax is equipped with and is located the first limiting plate of first mount pad both sides, the other end that connects the electroplax is located the second limiting plate of second mount pad both sides, each first limiting plate with all be equipped with waist type hole on the second limiting plate, first mount pad with the both sides of second mount pad all are provided with and pass the spacer pin that corresponds waist type hole.

Furthermore, the outer surface of the first air bag is connected with a connecting strip, the connecting strip is provided with an upper free end and a lower free end, and the electric connection plate is attached to the connecting strip.

Furthermore, a pole lug pressing mechanism is arranged on the other side of the laminated plate and used for pressing a battery pole lug on a power plate of the adjacent laminated plate; the tab pressing mechanism comprises a second mounting plate and a second air bag; one end of the second mounting plate is connected to one side of the first mounting seat, the other end of the second mounting plate is connected to one side of the second mounting seat, and the second air bag is attached to the outer surface of the second mounting plate; the second air bag is of a tubular structure, the upper end of the second air bag is closed, and the bottom end of the second air bag is provided with a second air nozzle connected with an air pipe of an air supply system.

Furthermore, a second T-shaped groove is formed in one side, connected with the second mounting plate, of each of the first mounting seat and the second mounting seat, and a limiting bulge is arranged at the lower end of the second T-shaped groove of the second mounting seat; the second mounting plate is limited in the first mounting seat and a second T-shaped groove of the second mounting seat, and the bottom end of the second mounting plate is supported on the limiting protrusion.

Further, the other side of the laminated plate is also provided with a second air bag for ventilating, expanding and pressing a battery tab on the power connection plate adjacent to the laminated plate; the second air bag is of a tubular structure, the upper end of the second air bag is closed, and the lower end of the second air bag is provided with a second air nozzle for being connected with an air pipe of an air supply system.

The battery formation and capacity grading clamp comprises a battery formation and capacity grading power connection device, and the connection end of the power connection plate is electrically connected with a power supply; the battery is placed directly on the adjacent layer of the pressing plate, the first air bag is ventilated and expanded to push the electric plate to move towards the pole lug pressing mechanism, and the electric plate and the pole lug pressing mechanism are pressed to press the pole lugs.

The embodiment of the utility model provides an above-mentioned one or more technical scheme in battery ization becomes, divide the capacity and connect the device have following technological effect at least:

the battery clamping is between the adjacent layer pressing plates of the formation clamp or the capacity grading clamp, when the battery pole lug is pressed on the electricity collecting plate, when the pole lug of the battery is in the central position close to the thickness, the first air bag is ventilated and expanded, so that the electricity collecting plate moves towards one side, the electricity collecting plate is contacted with the pole lug, the pole lug is pressed on the electricity collecting plate by the pole lug pressing mechanism, the excessive displacement deformation of the pole lug is avoided, and the protection effect on the pole lug of the opposite pole lug is achieved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a structural diagram of a battery formation and capacitance-divided power connection device according to an embodiment of the present invention.

Fig. 2 is a battery formation and capacitance-divided power connection device provided by the embodiment of the present invention, the power connection plate is limited in the structure diagram of the first mounting seat and the second mounting seat.

Fig. 3 is a structural diagram of the first mounting seat and the second mounting seat of the battery formation and capacitance-divided power connection device provided by the embodiment of the present invention.

Fig. 4 is a schematic structural view of another embodiment of the battery formation and capacitance-divided power connection device according to the present invention, in which the power connection plate is connected to the air bag.

Fig. 5 is a structural diagram of a battery formation and capacitance-divided power connection device provided in an embodiment of the present invention, wherein a second air bag is disposed on the other side of the first mounting seat and the second mounting seat.

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

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary and intended to explain the embodiments of the present invention and are not to be construed as limiting the present invention.

In the description of the embodiments of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which is only for convenience in describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the device or element so indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.

In an embodiment of the present invention, referring to fig. 1, a battery formation and capacitance-separation power connection device is used for forming or capacitance-separation power connection of a tab of a battery; comprises a first gas bag 200 arranged at one side of a laminated board 100 and a power connection board 300 attached to the outer surface of the first gas bag 200; the bottom end of the power connection plate 300 is provided with a connection end 301 for connecting with a formation power supply or a capacitance-divided power supply. The first air bag 200 is inflated to push the electric plate 300 to move toward the tab pressing mechanism for pressing the tabs. At the battery clamping between the adjacent laminate 100 of becoming anchor clamps or partial capacity anchor clamps to when compressing tightly battery tab and being connecing electric plate 300, when the tab of battery was putting near the central point of thickness, the inflation of first air pocket 200 ventilates for connect electric plate 300 to move toward one side, make and connect electric plate 300 and utmost point ear contact, compress tightly utmost point ear at utmost point ear hold-down mechanism and connect electric plate 300 on, consequently avoided utmost point ear excessive displacement to warp, and then reach and play the guard action to utmost point ear. In addition, according to the present embodiment, the air pressure in the first air bag 200 can be adjusted according to different batteries, so that the position of the electric connecting plate 300 is just attached to the battery tab without causing deformation of the battery tab, thereby adapting to different batteries. When the battery is clamped between the corresponding adjacent laminated plates 100, the first air bag 200 is subjected to negative pressure, so that the electric plate 300 is attached to the laminated plates 100, the problem that the pole lugs of the battery are hung at the top end of the electric plate 300 when the battery is clamped between the adjacent laminated plates 100 can be effectively solved, and the pole lugs of the battery can be protected.

Further, the structure of first air pocket 200 is the tube strip form, the upper end of first air pocket 200 is for sealing, and the lower extreme is provided with air cock 201 for connect the gas with air supply system. In this embodiment, the first airbag 200 is designed to have a tubular shape, so that the installation space can be reduced, and the uniform stress on the power strip 300 can be ensured.

Further, referring to fig. 1 and 2, the first air bag 200 is attached to a mounting plate 400, a first mounting seat 410 and a second mounting seat 420 are respectively disposed at both ends of the mounting plate 400, the first mounting seat 410 is connected to the top of the laminate 100, and the second mounting seat 420 is disposed at the bottom of the laminate 100. In this embodiment, the first airbag 200 is easily mounted through the first and

second mounting seats

410 and 420.

Further, referring to fig. 1 to 3, a T-shaped groove is formed in each of one sides of the first mounting seat 410 and the second mounting seat 420, a limiting member 421 is disposed at a lower end of the T-shaped groove of the second mounting seat 420, an upper end of the mounting plate 400 is limited in the T-shaped groove of the first mounting seat 410, a lower end of the mounting plate is limited in the T-shaped groove of the second mounting seat 420, and an end of the lower end of the mounting plate is limited on the limiting member 421. In this embodiment, when the mounting plate 400 and the first airbag 200 are mounted on one side of the laminate 100, the mounting plate 400 is inserted into the T-shaped grooves of the first mounting seat 410 and the second mounting seat 420, and when the mounting plate is taken out and replaced, the mounting plate 400 is only required to be taken out, so that convenience in mounting and replacement is achieved.

Further, referring to fig. 2, one end of the electric board 300 is provided with a first limiting plate 311 located on two sides of the first mounting seat 410, the other end of the electric board 300 is provided with a second limiting plate 312 located on two sides of the second mounting seat 420, each of the first limiting plate 311 and the second limiting plate 412 is provided with a waist-shaped hole 302, and two sides of the first mounting seat 410 and the second mounting seat 420 are provided with a limiting pin 401 passing through the corresponding waist-shaped hole 302. In this embodiment, the first airbag 200 is inflated and expanded to limit the electric board 300 by the limit pin 401, so as to prevent the electric board 300 from being dislocated from left to right, thereby ensuring that the tab can be normally connected to the electric board 300.

Further, referring to fig. 4, in another embodiment of connecting the electric connecting plate 300 with the airbag 200, a connecting strip 202 is connected to an outer surface of the first airbag 200, the connecting strip 202 has upper and lower free ends, and the electric connecting plate 300 is attached to the connecting strip 202. In this embodiment, since at least one end seal of the first airbag 200 is lower than the middle position; after the first airbag 200 is inflated and tightened, the connection strip 202 connects the power connection board 300, so that the problem that the power connection board 300 is separated from the first airbag 200 is avoided.

Further, referring to fig. 5 and 6, the other side of the laminate sheet 100 is further provided with a tab pressing mechanism 500 for pressing a battery tab on the tab 300 of the adjacent laminate sheet 100. The tab pressing mechanism 500 includes a second mounting plate 510 and a second air bag 520. One end of the second mounting plate 510 is connected to one side of the first mounting plate 410, the other end is connected to one side of the second mounting plate 420, and the second air bag 520 is attached to the outer surface of the second mounting plate 510. The second air bag 520 is of a tubular structure, the upper end of the second air bag 520 is closed, and the bottom end of the second air bag is provided with a second air tap 521 connected with an air pipe of an air supply system. In this embodiment, when the tab is pressed, the second air bag 520 and the first air bag 200 are inflated, so that the tab is pressed onto the power receiving plate 300 by the second air bag 520. Specifically, when the battery is clamped between the adjacent laminated plates 100, after the battery is clamped by the clamp, the first air bag 200 and the second air bag 520 are inflated and expanded to compress the tab on the power connection plate 300, so that the tab is prevented from being pulled when being compressed, and the tab is protected. In this embodiment, when the battery is inserted between the adjacent laminates 100, all the gas in the first gas bag 200 and the second gas bag 300 is exhausted, so that the interference of the tab of the battery between the second gas bag 5280 and the power connection plate 300 is avoided, and the tab of the battery can be smoothly inserted between the second gas bag 5280 and the power connection plate 300. Further, in this embodiment, the first air bag 200 and the second air bag 520 are both connected to the first mounting base 410 and the second mounting base 420, so as to ensure the positions of the power connection plate 300 and the second air bag 520, and further avoid dislocation when compressing the tab on the power connection plate 300, so that the pressing force of the tab is uniformly distributed, and the stability of the tab in power connection is ensured.

Further, referring to fig. 6, a second T-shaped groove is formed at each of the first mounting seat 410 and the second mounting seat 420 at the side where the second mounting plate 400 is connected, and a limiting protrusion 422 is formed at the lower end of the second T-shaped groove of the second mounting seat 420; the second mounting plate 510 is limited in the second T-shaped groove of the first mounting seat 410 and the second mounting seat 420, and the bottom end of the second mounting plate is supported on the limiting protrusion 422. In this embodiment, the second air bag 520 is easily installed and replaced.

In another embodiment of the compression tab on the contact plate 300, a second air bag 520 is further disposed on the other side of the laminate 200 for ventilating, expanding and compressing the battery tab on the contact plate 300 adjacent to the laminate 100; the second air bag 520 has a tubular structure, the upper end of the second air bag 52 is closed, and the lower end of the second air bag is provided with a second air tap 521 for connecting with an air pipe of an air supply system.

The battery formation and capacity grading clamp comprises a battery formation and capacity grading power connection device, and a connection end 301 of the power connection plate 300 is electrically connected with a power supply; the battery is placed directly on the adjacent laminated plate 100, the first air bag 200 is inflated to push the electric connecting plate 300 to move towards the tab pressing mechanism, and the tab pressing mechanism are used for pressing the tab, so that tab electric connection is realized.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A battery formation and partial capacitance power connection device is used for the formation of a lug of a battery or partial capacitance power connection; the air bag is characterized by comprising a first air bag arranged on one side of a laminated board and a power connection board attached to the outer surface of the first air bag; the bottom end of the power connection plate is provided with a connection end for connecting a formation power supply or a capacitance-divided power supply; the first air bag is ventilated and expanded to push the electric plate to move towards the direction of a pole lug pressing mechanism for pressing the pole lug.

2. The battery formation, capacity-sharing power connection device of claim 1, wherein: the structure of first air pocket is the pipe strip form, the upper end of first air pocket is for sealing, and the lower extreme is provided with the air cock for connect the gas with gas supply system.

3. The battery formation, capacity-sharing power connection device of claim 1, wherein: the first air bag is attached to the mounting plate, a first mounting seat and a second mounting seat are arranged at two ends of the mounting plate respectively, the first mounting seat is connected to the top of the laminated plate, and the second mounting seat is arranged at the bottom of the laminated plate.

4. The battery formation and capacity-division power connection device according to claim 3, wherein a "T" shaped groove is formed in each of one side of the first mounting seat and one side of the second mounting seat, a limiting member is arranged at the lower end of the "T" shaped groove of the second mounting seat, the upper end of the mounting plate is limited in the "T" shaped groove of the first mounting seat, the lower end of the mounting plate is limited in the "T" shaped groove of the second mounting seat, and the end of the lower end of the mounting plate is limited on the limiting member.

5. The battery formation, capacity-sharing power connection device according to claim 3 or 4, wherein: connect the one end of electroplax to be equipped with and be located the first limiting plate of first mount pad both sides, connect the other end of electroplax to locate and be located the second limiting plate of second mount pad both sides, each first limiting plate with all be equipped with waist type hole on the second limiting plate, first mount pad with the both sides of second mount pad all are provided with and pass the spacer pin that corresponds waist type hole.

6. The battery formation and capacitance-separation power connection device according to any one of claims 1 to 4, wherein: the outer surface of the first air bag is connected with a connecting strip, the connecting strip is provided with an upper free end and a lower free end, and the electric connection plate is attached to the connecting strip.

7. The battery formation, capacity-sharing power connection device according to claim 3 or 4, wherein: the other side of the laminated board is also provided with a pole lug pressing mechanism for pressing a battery pole lug on a power connection plate of the adjacent laminated board; the tab pressing mechanism comprises a second mounting plate and a second air bag; one end of the second mounting plate is connected to one side of the first mounting seat, the other end of the second mounting plate is connected to one side of the second mounting seat, and the second air bag is attached to the outer surface of the second mounting plate; the second air bag is of a tubular structure, the upper end of the second air bag is closed, and the bottom end of the second air bag is provided with a second air nozzle connected with an air pipe of an air supply system.

8. The battery formation, capacity-sharing power connection device of claim 7, wherein: a second T-shaped groove is formed in one side, connected with the second mounting plate, of the first mounting seat and the second mounting seat, and a limiting bulge is arranged at the lower end of the second T-shaped groove of the second mounting seat; the second mounting plate is limited in the first mounting seat and a second T-shaped groove of the second mounting seat, and the bottom end of the second mounting plate is supported on the limiting protrusion.

9. The battery formation, capacity-sharing power connection device of claim 1, wherein: the other side of the laminated plate is also provided with a second air bag for ventilating, expanding and pressing a battery tab on the power connection plate adjacent to the laminated plate; the second air bag is of a tubular structure, the upper end of the second air bag is closed, and the lower end of the second air bag is provided with a second air nozzle for being connected with an air pipe of an air supply system.

10. The battery formation and capacity grading clamp is characterized by comprising the battery formation and capacity grading power connection device as claimed in any one of claims 1 to 9, wherein the connection end of the power connection plate is electrically connected with a power supply; the battery is placed directly on the adjacent layer of the pressing plate, the first air bag is ventilated and expanded to push the electric plate to move towards the pole lug pressing mechanism, and the electric plate and the pole lug pressing mechanism are pressed to press the pole lugs.