CN214024270U - Battery welding seat clamp and battery welding device - Google Patents

Abstract

The utility model discloses a battery welds seat anchor clamps and battery welding set, this battery welds seat anchor clamps include first base, second base and elastic component, and first base is connected on welding platform, and the second base sets up with first base interval, and the second base is used for holding the battery and welds the seat, and the one end of elastic component is connected on first base, and the other end is connected on the second base. This battery welds a anchor clamps owing to hold the battery and weld and be equipped with the elastic component between the second base of seat and the first base for under the pressure effect of welding needle among the welding process, the elastic component can take place to warp in order to realize battery case's automatic leveling, reaches the effect that battery case and battery welded the seat and closely laminated, thereby has avoided battery to weld the seat and battery case the phenomenon that the cladding material that the gap leads to battery case destroys betterly.

Description

Battery welding seat clamp and battery welding device

Technical Field

The utility model relates to a battery production facility technical field especially relates to a battery welds seat anchor clamps and battery welding set.

Background

The spot bottom welding process of the cylindrical lithium ion battery adopts a resistance welding mode to weld the lug and the battery shell together, the welding principle of the resistance welding is to ensure that heat is rapidly generated between the lug and the battery shell in a short time in a short-time large-current mode, the lug and the battery shell are firstly melted and then condensed into an integral alloy, and the current used by the welding is generally in the level of thousands of amperes, so that the external plating layer of the battery shell can be damaged under certain conditions. The specific damage condition is that when the battery shell and the welding seat are not completely attached, gaps exist between the battery shell and the welding seat, current can also penetrate through the battery shell and the welding seat through the tiny gaps, and the current can lose the plating layer of the battery shell to cause plating layer damage and influence the corrosion resistance of the battery shell;

the battery welding seat is used as a quick-wear part, and can be polished and repaired every time when being used for a period of time, and then is used on line after being repaired; currently, the mode of fixing a welding seat on equipment in the industry is clamping type fixing, namely, a cylindrical welding seat is clamped on the equipment by using a clamp, and a welding needle compresses a battery cell on the welding seat for welding during welding; the fixing mode has the defects that the absolute joint of the battery shell and the welding seat cannot be ensured, and the condition that the plating layer of the battery shell is damaged during welding is easy to occur.

SUMMERY OF THE UTILITY MODEL

A first object of the utility model is to provide a battery welds a seat anchor clamps, this battery welds a seat anchor clamps and can ensure to laminate with battery case, avoids battery to weld a seat and battery case the phenomenon that the cladding material that the gap leads to battery case destroys to appear.

A second object of the utility model is to provide a battery welding set, this battery welding set's welding effect is better, and can not destroy battery case's cladding material, can guarantee battery case and utmost point ear's welding stability, can ensure battery case's corrosion resistance again.

For realizing the above technical effect, the technical scheme of the utility model as follows:

the utility model discloses a battery welding seat anchor clamps, include: the first base is connected to the welding platform; the second base is arranged at an interval with the first base and is used for accommodating a battery welding seat; an elastic part, one end of the elastic part is connected to the first base, and the other end is connected to the second base

In some embodiments, a first limiting protrusion is disposed on an end surface of the first base facing the second base, a second limiting protrusion is disposed on an end surface of the second base facing the first base, and two ends of the elastic member are respectively sleeved on the first limiting protrusion and the second limiting protrusion.

In some embodiments, the resilient member comprises a spring.

In some embodiments, the battery holder clamp further comprises a locking member disposed through the second base to lock the battery holder to the second base.

In some specific embodiments, the second base is provided with a matching groove for accommodating the battery welding seat, the second base is provided with a threaded hole, the threaded hole is communicated with the matching groove, and the locking member is provided with an external thread matched with the threaded hole.

In some embodiments, the first base is provided with a mounting ear, the mounting ear is provided with a mounting hole, and the battery welding seat clamp is connected to the welding platform through a mounting piece penetrating through the mounting hole.

In some specific embodiments, the mounting ears are multiple, and the multiple mounting ears are distributed at intervals along the circumferential direction of the first base.

In some embodiments, a plurality of fixing protrusions are disposed on the bottom wall of the first base, and the plurality of fixing protrusions can be inserted into the fixing holes of the welding platform.

In some specific embodiments, the cross-sectional area of the fixing projection gradually decreases on the bottom wall away from the first base.

The utility model also discloses a battery welding set, include: the battery welding seat is used for supporting the battery shell; the battery welding seat clamp is used for bearing the battery welding seat, and the battery welding seat clamp is connected to the welding platform; and the welding pin can be inserted into the battery shell and stops against the lug of the battery.

The utility model discloses a battery welds a seat anchor clamps owing to hold and is equipped with the elastic component between the second base that the battery welded the seat and the first base for in the welding process under the pressure effect of welding the needle, the elastic component can take place to warp in order to realize battery housing's the automatic leveling, reaches the effect that battery housing and battery welded the seat and closely laminate, thereby has avoided battery welding seat and battery housing to appear the phenomenon that the gap leads to battery housing's cladding material to destroy betterly.

The utility model discloses a battery welding set is owing to have the foretell battery weld a seat anchor clamps, avoided battery to weld a seat and battery case the phenomenon that the gap leads to battery case's cladding material to destroy betterly to both guaranteed battery case and utmost point ear's welding stability, can ensure battery case's corrosion resistance again.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

Fig. 1 is a schematic structural diagram of a battery welding seat fixture according to a first embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a battery welding seat fixture according to the second embodiment of the present invention.

Fig. 3 is a schematic structural diagram of a battery welding device according to an embodiment of the present invention.

Reference numerals:

1. a first base; 11. a first limit protrusion; 12. mounting lugs; 121. mounting holes; 13. a fixed protrusion; 2. a second base; 21. a mating groove; 22. a second limit protrusion; 23. a threaded hole; 24. an elastic rib; 3. an elastic member; 4. a locking member; 5. a mounting member; 100. a battery welding seat; 200. welding pins; 300. a battery case; 400. and (7) a tab.

Detailed Description

In order to make the technical problem solved by the present invention, the technical solution adopted by the present invention and the technical effect achieved by the present invention clearer, the technical solution of the present invention will be further explained by combining the drawings and by means of the specific implementation manner.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, features defined as "first" and "second" may explicitly or implicitly include one or more of the features for distinguishing between descriptive features, non-sequential, non-trivial and non-trivial. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The specific structure of the battery holder clamp according to the embodiment of the present invention is described below with reference to fig. 1 to 2.

The utility model discloses a battery welds a anchor clamps, as shown in fig. 1-fig. 2, this battery welds a anchor clamps and includes first base 1, second base 2 and elastic component 3, and first base 1 is connected on welding platform, and second base 2 sets up with first base 1 interval, and second base 2 is used for holding battery welding seat 100, and the one end of elastic component 3 is connected on first base 1, and the other end is connected on second base 2.

It can be understood that, in the in-service use process, install battery welding seat 100 on second base 2 in, then place battery casing 300 on battery welding seat 100, on welding pin 200 stretches into battery casing 300 back end to the utmost point ear 400 of battery, if there is part not laminating between battery casing 300 and the battery welding seat 100, under the pressure effect of welding pin 200, second base 2 can compress elastic component 3, can realize leveling of battery casing 300 after elastic component 3 takes place to compress, reach the effect that battery casing 300 and battery welding seat 100 closely laminated, thereby avoid battery welding seat 100 and battery casing 300 to appear the phenomenon that the gap leads to battery casing 300's cladding to destroy.

The utility model discloses a battery welds a anchor clamps, owing to hold and be equipped with elastic component 3 between second base 2 and the first base 1 that battery welded a seat 100 for under the pressure effect of welding needle 200 in the welding process, elastic component 3 can take place to warp in order to realize the automatic of battery housing 300 and make level, reach battery housing 300 and the effect that battery welded a seat 100 and closely laminated, thereby avoided battery welding a seat 100 and battery housing 300 better and appeared the phenomenon that the gap leads to battery housing 300's cladding material to destroy.

In some embodiments, as shown in fig. 1-2, a first limiting protrusion 11 is disposed on an end surface of the first base 1 facing the second base 2, a second limiting protrusion 22 is disposed on an end surface of the second base 2 facing the first base 1, and two ends of the elastic element 3 are respectively sleeved on the first limiting protrusion 11 and the second limiting protrusion 22. Therefore, the first limiting protrusion 11 and the second limiting protrusion 22 can better fix the elastic member 3, and the phenomenon that the battery case 300 is separated from the battery welding seat 100 due to transitional bending when the elastic member 3 deforms is avoided. It should be additionally noted that the shapes of the first limiting projection 11 and the second limiting projection 22 can be selected according to the shape of the elastic element 3, and the first limiting projection 11 and the second limiting projection 22 are not limited herein.

In some embodiments, the elastic member 3 is a spring. Thereby, it can be ensured that the elastic member 3 can be stably deformed under the pressure of the welding pin 200, thereby achieving the self-leveling of the battery case 300. Of course, in other embodiments of the present invention, the elastic member 3 may also be other elastic structures, such as an elastic column.

In some embodiments, as shown in fig. 1, the battery holder clamp further includes a locking member 4, and the locking member 4 is inserted into the second base 2 to lock the battery holder 100 to the second base 2. It can be understood that retaining member 4 can lock battery welding seat 100 on second base 2, avoids battery welding seat 100 to take place to rotate relative second base 2 to ensure the stability of battery casing 300 of placing on battery welding seat 100, avoid among the welding process battery casing 300 to rock the welding flaw that leads to.

In some embodiments, as shown in fig. 1, the second base 2 is provided with a matching groove 21 for receiving the battery soldering terminal 100, the second base 2 is provided with a threaded hole 23, the threaded hole 23 is communicated with the matching groove 21, and the locking member 4 is provided with an external thread matching with the threaded hole 23. It can be understood that retaining member 4 links to each other with second base 2 through threaded connection, has made things convenient for the locking and the release to battery welding seat 100 on the one hand to made things convenient for the installation and the dismantlement of battery welding seat 100, on the other hand has promoted retaining member 4 and has welded the locking effect of seat 100 to the battery, has ensured the connection stability of battery welding seat 100 relative second base 2.

In some more specific embodiments, the threaded hole 23 is plural, and the plural threaded holes 23 are distributed at intervals along the circumference of the second base 2. This can further improve the stability of connection of the battery holder 100 to the second base 2. In this embodiment, the number and the arrangement of the threaded holes 23 may be selected according to actual needs, and the number and the arrangement of the threaded holes 23 are not limited herein.

In some embodiments, as shown in fig. 2, the side wall of the fitting groove 21 is provided with an elastic rib 24, and the elastic rib 24 stops against the side wall of the battery holder 100. It will be appreciated that, when the battery holder 100 is placed in the fitting groove 21, the battery holder 100 can press the elastic rib 24, thereby securing the coupling stability of the relatively rotatable ball of the battery holder 100.

It should be noted that, of course, the size, number, shape, and distribution of the elastic ribs 24 may be selected according to actual needs, and the size, number, shape, and distribution of the elastic ribs 24 are not limited herein.

In some embodiments, as shown in fig. 1, a mounting ear 12 is disposed on the first base 1, a mounting hole 121 is disposed on the mounting ear 12, and the battery holder clamp is connected to the welding platform through a mounting member 5 penetrating through the mounting hole 121. Therefore, the whole battery welding seat clamp adopting the mounting part 5 is connected to the welding platform, the stability of the whole battery welding seat clamp is ensured, the stability of the battery welding seat 100 and the battery shell 300 is ensured, and the battery shell 300 and the electrode lug 400 can be stably welded.

In some specific embodiments, as shown in fig. 1, the mounting ears 12 are plural, and the plural mounting ears 12 are spaced apart along the circumference of the first chassis 1. This can further ensure the stability of the entire battery holder jig.

In some embodiments, as shown in fig. 2, a plurality of fixing protrusions 13 are disposed on the bottom wall of the first base 1, and the plurality of fixing protrusions 13 can be inserted into the fixing holes of the welding platform. It can be understood that the connection mode of the fixing protrusions 13 matched with the fixing holes simplifies the installation process of the battery welding seat clamp and facilitates the installation and the disassembly of the battery welding seat clamp.

In some specific embodiments, as shown in fig. 2, the area of the cross section of the fixing projection 13 is gradually reduced on the bottom wall away from the first base 1. Therefore, an operator can conveniently insert the fixing protrusion 13 into the fixing hole, and the battery welding seat clamp is further convenient to mount and dismount.

It should be noted that, in the present embodiment, the number and the shape of the fixing protrusions 13 can be selected according to actual needs, and are not limited to the above limitations.

The first embodiment is as follows:

the specific structure of the battery welding seat clamp according to the first embodiment of the present invention is described below with reference to fig. 1.

As shown in fig. 1, the battery welding seat clamp of this embodiment includes first base 1, second base 2, elastic component 3, two retaining members 4 and two installed parts 5, all is equipped with installation ear 12 on two relative lateral walls that set up of first base 1, is equipped with mounting hole 121 on installation ear 12, and first base 1 is connected on welding platform through the installed part 5 of wearing to establish at mounting hole 121. Be equipped with first spacing protruding 11 on the roof of first base 1, second base 2 and the setting of first base 1 interval, and be equipped with the spacing protruding 22 of second on the diapire of second base 2, be equipped with cooperation groove 21 on the second base 2, cooperation groove 21 is used for holding battery welding seat 100. Be equipped with screw hole 23 on the second base 2, screw hole 23 and cooperation groove 21 intercommunication are equipped with the external screw thread with screw hole 23 complex on the retaining member 4. The elastic element 3 is a spring, one end of the elastic element 3 is sleeved on the first limiting protrusion 11, and the other end is sleeved on the second limiting protrusion 22.

Example two:

the following describes a specific structure of a battery welding seat fixture according to a second embodiment of the present invention with reference to fig. 2.

As shown in fig. 2, the battery welding seat clamp of the present embodiment includes a first base 1, a second base 2 and an elastic member 3, two fixing protrusions 13 are disposed on the bottom wall of the first base 1, and the two fixing protrusions 13 can be inserted into the fixing holes of the welding platform. The area of the cross section of each fixing projection 13 is gradually reduced on the bottom wall away from the base. Second base 2 and 1 interval setting of first base, and be equipped with the spacing protruding 22 of second on the diapire of second base 2, be equipped with cooperation groove 21 on the second base 2, cooperation groove 21 is used for holding battery welding seat 100, is equipped with the elasticity bead 24 of two relative settings on the lateral wall of cooperation groove 21, and elasticity bead 24 ends to support on the lateral wall of battery welding seat 100. Be equipped with screw hole 23 on the second base 2, screw hole 23 and cooperation groove 21 intercommunication are equipped with the external screw thread with screw hole 23 complex on the retaining member 4. The elastic element 3 is a spring, one end of the elastic element 3 is sleeved on the first limiting protrusion 11, and the other end is sleeved on the second limiting protrusion 22.

The specific structure of the battery welding apparatus according to the embodiment of the present invention is described below with reference to fig. 3.

The utility model also discloses a battery welding set, this battery welding set include that the battery welds seat 100, battery welding seat anchor clamps and welding pin 200, and battery welding seat 100 is used for supporting battery case 300, and battery welding seat anchor clamps are used for bearing the weight of and welds the seat, and battery welding seat anchor clamps are connected on welded platform, and welding pin 200 can insert in battery case 300 to end to support on the utmost point ear 400 of battery.

The utility model discloses a battery welding set, owing to have the foretell battery weld a seat anchor clamps, avoided battery to weld seat 100 and battery case 300 better and appear the phenomenon that the gap leads to battery case 300's cladding material to destroy to both guaranteed battery case 300 and utmost point ear 400's welding stability, can ensure battery case 300's corrosion resistance again.

It should be additionally noted that, in the present embodiment, the structures of other parts of the battery welding apparatus, such as the power source, the driving device of the welding pin 200, and the like, are all selectable by those skilled in the art according to the prior art, and no specific limitation is required to the structures of the power source, the driving device of the welding pin 200, and the like.

In the description herein, references to the description of "some embodiments," "other embodiments," etc., 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 invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.

Claims (10)

1. A battery welds a seat anchor clamps which characterized in that includes:

the first base (1), the said first base (1) is connected to welding the terrace;

the second base (2), the second base (2) and the first base (1) are arranged at intervals, and the second base (2) is used for accommodating a battery welding seat (100);

the elastic piece (3), the one end of elastic piece (3) is connected on first base (1), and the other end is connected on second base (2).

2. The battery welding seat clamp according to claim 1, wherein a first limiting protrusion (11) is arranged on the end surface of the first base (1) facing the second base (2), a second limiting protrusion (22) is arranged on the end surface of the second base (2) facing the first base (1), and two ends of the elastic member (3) are respectively sleeved on the first limiting protrusion (11) and the second limiting protrusion (22).

3. The battery shoe clamp according to claim 1, characterized in that the elastic member (3) comprises a spring.

4. The battery holder clamp according to claim 1, further comprising a locking member (4), wherein the locking member (4) is arranged on the second base (2) in a penetrating manner to lock the battery holder (100) on the second base (2).

5. The battery welding seat clamp according to claim 4, wherein the second base (2) is provided with a matching groove (21) for accommodating the battery welding seat (100), the second base (2) is provided with a threaded hole (23), the threaded hole (23) is communicated with the matching groove (21), and the locking member (4) is provided with an external thread matched with the threaded hole (23).

6. The battery welding seat clamp according to claim 1, wherein the first base (1) is provided with a mounting lug (12), the mounting lug (12) is provided with a mounting hole (121), and the battery welding seat clamp is connected to the welding platform through a mounting piece (5) arranged in the mounting hole (121) in a penetrating manner.

7. The battery holder clamp according to claim 6, wherein the mounting lugs (12) are plural, and the plural mounting lugs (12) are spaced apart from each other in the circumferential direction of the first base (1).

8. The battery welding seat clamp according to claim 1, wherein a plurality of fixing protrusions (13) are arranged on the bottom wall of the first base (1), and the plurality of fixing protrusions (13) can be inserted into the fixing holes of the welding platform.

9. The battery holder clamp according to claim 8, characterized in that the cross-sectional area of the fixing projection (13) is gradually reduced on the bottom wall away from the first base (1).

10. A battery welding apparatus, comprising:

a battery soldering receptacle (100), the battery soldering receptacle (100) for supporting a battery case (300);

the battery holder clamp of any of claims 1-9, for carrying the battery holder (100), the battery holder clamp being connected to the welding platform;

a welding pin (200), wherein the welding pin (200) can be inserted into the battery shell (300) and is stopped against a tab (400) of the battery.

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