CN211991569U - Auxiliary clamp for battery welding - Google Patents

Abstract

The utility model discloses a battery welding auxiliary fixture, including the connecting rod, first locating piece and second locating piece are connected to the connecting rod, first locating piece and second locating piece all can remove on the length direction of connecting rod, and first locating piece and second locating piece can be close to each other or keep away from, the concave first standing groove that is used for placing core package that is equipped with of first locating piece, first locating piece is close to one side of second locating piece and has seted up the utmost point ear entry that supplies utmost point ear male, utmost point ear entry and first standing groove intercommunication, the concave second standing groove that is used for placing utmost point ear that is equipped with of second locating piece, the utmost point ear export that communicates with the second standing groove is seted up to one side that the second locating piece is close to first locating piece. The auxiliary clamp for welding the battery is simple in structure, can quickly position the lug and the core cladding, and is beneficial to improving the welding efficiency of the lug.

Description

Auxiliary clamp for battery welding

Technical Field

The utility model relates to a battery technology field especially relates to a battery welding auxiliary clamp.

Background

The manual welding is adopted mostly to the utmost point ear welding of small-size soft packet of lithium cell, and manual will utmost point ear butt on the welding position of core package earlier in welding process, then reuse the welding machine with utmost point ear and core package welding, this kind of welding mode of utmost point ear makes the welding position of utmost point ear skew core package easily, is unfavorable for improving the uniformity of battery and influences the production efficiency of battery. For the welding efficiency who improves utmost point ear, some utmost point ear welding jig have appeared on the market, however, utmost point ear welding jig exists following not enoughly at present: the structure is complex and heavy, the welding efficiency of the pole lugs is low, and the production requirement of the battery can not be well met.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the utility model provides a battery welding auxiliary clamp, its simple structure can fix a position utmost point ear and core package fast, is favorable to improving the welding efficiency of utmost point ear.

In order to achieve the purpose, the utility model adopts the following technical proposal:

the utility model provides a battery welding auxiliary fixture, including connecting rod, first locating piece and second locating piece, the connecting rod is connected first locating piece with the second locating piece, first locating piece with the second locating piece all can the length direction of connecting rod removes, just first locating piece with the second locating piece can be close to each other or keep away from, first locating piece is concave to be equipped with the first standing groove that is used for placing core package, first locating piece is close to one side of second locating piece is seted up and is supplied utmost point ear male utmost point ear entry, utmost point ear entry with first standing groove intercommunication, the second locating piece is equipped with and is used for placing the concave second standing groove of utmost point ear, the second locating piece is close to one side of first locating piece set up with the utmost point ear export of second standing groove intercommunication.

As a preferable technical scheme of the auxiliary clamp for battery welding, the lug inlet is opposite to the lug outlet.

As a preferable technical scheme of the auxiliary clamp for welding the battery, the auxiliary clamp comprises two connecting rods, the two connecting rods are parallel to each other, and the first positioning block and the second positioning block are movably arranged on the two connecting rods.

As an optimal technical scheme of the auxiliary clamp for welding the battery, the first positioning block and the second positioning block are provided with connecting parts at two opposite ends, and the connecting parts are provided with connecting holes for the connecting rods to pass through.

As an optimal technical scheme of the auxiliary clamp for welding the battery, a first thread section and a second thread section are arranged on the connecting rod along the length direction of the connecting rod, the thread turning direction of the first thread section is opposite to that of the second thread section, a first threaded hole for the connecting rod to pass through is formed in the first positioning block, the first threaded hole is matched with the first thread section, a second threaded hole for the connecting rod to pass through is formed in the second positioning block, and the second threaded hole is matched with the second thread section.

As an optimal technical scheme of the auxiliary clamp for battery welding, the connecting rod is a polished rod, the first positioning block and the second positioning block are both provided with connecting holes for the polished rod to pass through, an elastic layer is convexly arranged on the inner wall of each connecting hole, and the elastic layer is selectively abutted against the polished rod.

As a preferred technical scheme of battery welding auxiliary clamp, the confession has all been seted up to first locating piece with the second locating piece the connecting hole that the connecting rod passed through, the connecting rod passes through locking Assembly locking in the connecting hole, locking Assembly includes locking screw and sets up locking hole on the connecting hole lateral wall, locking hole with the connecting hole intercommunication, locking screw's one end is screwed in locking hole, just locking screw supports tightly inside the connecting hole on the connecting rod.

As a preferable technical scheme of the auxiliary clamp for welding the battery, the connecting rod is provided with at least two limiting convex parts, the at least two limiting convex parts are distributed at intervals along the length direction of the connecting rod, and the first positioning block and the second positioning block are both positioned between the at least two limiting convex parts.

As a preferable technical solution of the auxiliary fixture for battery welding, at least one side wall of the first placing groove is convexly provided with an elastic member, and at least one elastic member is capable of extending toward the middle of the first placing groove, so that the elastic member selectively abuts against one side surface of the core bag.

As a preferable technical solution of the auxiliary fixture for battery welding, the side wall and/or the bottom of the first placing groove is provided with an elastic buffer layer.

The utility model has the advantages that: supplementary anchor clamps, the setting of first standing groove and second standing groove can be to core package and utmost point ear location, do not need a hand to fix a position utmost point ear on the core package when the welding, the welding machine is gripped to the other hand, provides convenience for the welding of utmost point ear, is favorable to improving the production efficiency of battery. Because the lateral wall of first standing groove is seted up and is supplied utmost point ear to stretch into the utmost point ear entry in the first standing groove for the butt position of utmost point ear and core package is unchangeable, is favorable to improving the uniformity of battery.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Fig. 1 is a schematic structural view of an auxiliary clamp for battery welding according to an embodiment.

Fig. 2 is a schematic structural view of another embodiment of an auxiliary clamp for battery welding.

Fig. 3 is a schematic structural view of a battery welding auxiliary clamp according to yet another embodiment.

Fig. 4 is a schematic structural view of a battery welding auxiliary clamp according to yet another embodiment.

Fig. 5 is a schematic structural view of a battery welding auxiliary clamp according to yet another embodiment.

In the figure:

1. a first positioning block; 101. a first placing groove; 102. a tab inlet; 2. a second positioning block; 201. a second placing groove; 3. a connecting rod; 4. a connecting portion; 5. connecting holes; 6. an elastic member; 7. a limit convex part.

Detailed Description

In order to make the technical problems, technical solutions and technical effects achieved by the present invention more clear, the embodiments of the present invention will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; 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 present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

As shown in fig. 1 and 5, the utility model provides a battery welding auxiliary clamp, including connecting rod 3, first locating piece 1 and second locating piece 2, connecting rod 3 connects first locating piece 1 with second locating piece 2. The first positioning block 1 and the second positioning block 2 are arranged on the same horizontal plane, the first positioning block 1 and the second positioning block 2 can move in the length direction of the connecting rod 3, and the first positioning block 1 and the second positioning block 2 can be close to or far away from each other. The first positioning block 1 is concavely provided with a first placing groove 101 for placing a core bag, one side of the first positioning block 1, which is close to the second positioning block 2, is provided with a tab inlet 102 for inserting a tab, the tab inlet 102 is communicated with the first placing groove 101, the second positioning block 2 is concavely provided with a second placing groove 201 for placing the tab, and one side of the second positioning block 2, which is close to the first positioning block 1, is provided with a tab outlet (not shown in the figure) communicated with the second placing groove 201.

First locating piece 1 and second locating piece 2 pass through connecting rod 3 to be connected, can remove first locating piece 1 and second locating piece 2 along the length direction of connecting rod 3, make first locating piece 1 and second locating piece 2 be close to each other or keep away from, change the distance between first locating piece 1 and the second locating piece 2 to adapt to the utmost point ear of different length, the reinforcing auxiliary fixture's flexibility. The second placement grooves 201 extend along the longitudinal direction of the connecting rod 3, and one ends of the tabs in the second placement grooves 201 sequentially pass through the tab outlet and the tab inlet 102 and abut against the core pack in the first placement grooves 101. When specifically using, according to the production requirement of battery earlier, tailor the utmost point ear of treating welding that is fit for length, again according to the length adjustment first locating piece 1 of treating welding utmost point ear and the distance between the second locating piece 2, when utmost point ear was placed in second standing groove 201, the one end of utmost point ear run through utmost point ear export and utmost point ear entry 102 in proper order and with the inside core package butt of first standing groove 101, the other end of utmost point ear and the inner wall butt of second standing groove 201 for utmost point ear export. Supplementary anchor clamps, the setting of first standing groove 101 and second standing groove 201 can be to core package and utmost point ear location, do not need a hand to fix a position utmost point ear on the core package when the welding, another holds and holds the welding machine, provides convenience for the welding of utmost point ear, is favorable to improving the production efficiency of battery. Because the side wall of the first placing groove 101 is provided with the tab inlet 102 for the tab to extend into the first placing groove 101, the abutting positions of the tabs and the core cladding in the same batch are unchanged, and the consistency of the battery is improved.

Specifically, first locating piece 1 with second locating piece 2 all is provided with connecting hole 5, connecting rod 3 runs through connecting hole 5, through this design, realizes first locating piece 1 and second locating piece 2 and connecting rod 3's being connected.

Wherein, the second positioning block 2 is concavely provided with two second placing grooves 201, and the two second placing grooves 201 are distributed at intervals. The side wall of the first placing groove 101 is provided with two tab inlets 102 in a penetrating manner, and tab outlets of the two second placing grooves 201 are respectively in one-to-one correspondence with the two tab inlets 102. Preferably, the tab inlet 102 and the tab outlet are arranged opposite to each other, that is, the center line of the tab inlet 102 coincides with the center line of the tab outlet, and in this design, the tab can vertically cross between the first positioning block 1 and the second positioning block 2. Of course, in another embodiment, the tab inlet 102 and the tab outlet may be offset from each other, and in this design, the tab is placed between the first positioning block 1 and the second positioning block 2 in an inclined manner in a specific use.

In this embodiment, the auxiliary clamp includes two connecting rods 3, the two connecting rods 3 are parallel to each other, and the first positioning block 1 and the second positioning block 2 are movably disposed on the two connecting rods 3. Set up two connecting rods 3, be favorable to improving the stability of first locating piece 1 and second locating piece 2, prevent that first locating piece 1 and second locating piece 2 from taking place to rock.

Preferably, two connecting rods 3 are arranged at opposite ends of the first positioning block 1/the second positioning block 2 at intervals. In order to conveniently provide the connecting holes 5, the opposite ends of the first positioning block 1 and the second positioning block 2 are provided with connecting portions 4, and the connecting portions 4 are provided with the connecting holes 5 through which the connecting rods 3 pass.

Of course, in other embodiments, the auxiliary clamp includes a connecting rod 3, and the connecting rod 3 is disposed at a middle position of the first positioning block 1 and the second positioning block 2. In other embodiments, the number of the connecting rods 3 of the auxiliary clamp may be three, four, five, etc., and the specific number of the connecting rods 3 is not limited herein.

In this embodiment, the connecting rod 3 is provided with a first thread section and a second thread section along the length direction thereof, the thread turning direction of the first thread section is opposite to the thread turning direction of the second thread section, the first locating block 1 is provided with a first thread hole for the connecting rod 3 to pass through, the first thread hole is matched with the first thread section, the second locating block 2 is provided with a second thread hole for the connecting rod 3 to pass through, and the second thread hole is matched with the second thread section. The auxiliary clamp of this kind of structure, first screw thread section and first screw hole cooperation and second screw hole cooperation, when rotating the threaded rod, the motion opposite direction of first locating piece 1 and second locating piece 2 for first locating piece 1 and second locating piece 2 are close to or keep away from each other along the length direction of threaded rod, thereby change the distance between first locating piece 1 and the second locating piece 2, convenient operation, in addition can also be fixed a position arbitrary position at connecting rod 3 with first locating piece 1 and second locating piece 2.

In another embodiment, the connecting rod 3 is a polished rod, the first positioning block 1 and the second positioning block 2 are both provided with a connecting hole 5 for the polished rod to pass through, an elastic layer is convexly arranged on the inner wall of the connecting hole 5, and the elastic layer is selectively abutted against the polished rod. The auxiliary clamp of this kind of structure is right through the elastic layer on the inner wall of connecting hole 5 the polished rod extrudees, prevents to take place the displacement on first locating piece 1 and the 2 polished rod of second locating piece, directly drags first locating piece 1 and second locating piece 2 along the length direction of polished rod when using, can change the position of first locating piece 1 and second locating piece 2 on the polished rod, realizes being close to each other or keeping away from of first locating piece 1 and second locating piece 2.

In another embodiment, the first positioning block 1 and the second positioning block 2 are both provided with a connecting hole 5 through which the connecting rod 3 passes, the connecting rod 3 is a polished rod or a threaded rod, the connecting rod 3 is locked in the connecting hole 5 through a locking assembly, the locking assembly comprises a locking screw and a locking hole arranged on the side wall of the connecting hole 5, the locking hole is communicated with the connecting hole 5, one end of the locking screw is screwed in the locking hole, and the locking screw abuts against the connecting rod 3 inside the connecting hole 5. Specifically, the hole diameter of the connecting hole 5 is larger than the outer diameter of the connecting rod 3. The auxiliary clamp of this kind of structure, accessible locking screw is to connecting rod 3 support tightly, locks first locating piece 1 and second locating piece 2 on connecting rod 3, when unscrewing locking screw, can remove first locating piece 1 and second locating piece 2 along the length direction of connecting rod 3, realizes being close to each other or keeping away from of first locating piece 1 and second locating piece 2.

Referring to fig. 2 to 5, in order to prevent the first positioning block 1 and the second positioning block 2 from being separated from both ends of the connecting rod 3, in the present embodiment, the connecting rod 3 is provided with at least two limiting protrusions 7, the at least two limiting protrusions 7 are distributed at intervals along the length direction of the connecting rod 3, and the first positioning block 1 and the second positioning block 2 are both located between the at least two limiting protrusions 7. The arrangement of the limiting convex part 7 can limit the first positioning block 1 and the second positioning block 2 on the connecting rod 3.

In order to adapt the first placing groove 101 to core packages of different sizes, at least one side wall of the first placing groove 101 is convexly provided with an elastic component 6, at least one elastic component 6 can stretch and retract towards the middle part of the first placing groove 101, so that the elastic component 6 is selectively abutted against one side surface of the core package, the core package is further selectively clamped in the first placing groove 101, and the core package is prevented from horizontally moving in the first placing groove 101.

In an embodiment, referring to fig. 3, when the first placing slot 101 is provided with the elastic component 6 in parallel to one side wall of the connecting rod 3 in a protruding manner to place the core package into the first placing slot 101, the core package can be clamped by the elastic component 6 and the side wall of the elastic component 6 opposite to the first placing slot 101, so as to be limited in the first placing slot 101, and the core package is effectively prevented from being displaced inside the first placing slot 101.

In another embodiment, referring to fig. 2, the first placing groove 101 is provided with two protruding elastic members 6 adjacent to two opposite side walls of the connecting bar 3, and the core bag can be clamped inside the first placing groove 101 by using the two elastic members 6.

In still another embodiment, referring to fig. 5, the first placing groove 101 is provided with the elastic member 6 protruding from the side wall of the tab outlet, and the core pack can be clamped between the tab outlet and the elastic member 6 by the elastic force of the elastic member 6, so as to prevent the core pack from moving in the first placing groove 101.

In still another embodiment, referring to fig. 4, the elastic members 6 may be further provided at both the side wall of the first placing groove 101 where the tab outlet is provided and the opposite side wall opposite to the tab outlet, and the core pack may also be clamped inside the first placing groove 101 by the two elastic members 6.

In another embodiment, the elastic members 6 may be disposed on all the side walls of the first placing slot 101, and the arrangement may clamp the core pack inside the first placing slot 101.

Specifically, the elastic member 6 includes an elastic member and a clamping plate, one end of the elastic member is connected to the sidewall of the first placing groove 101, and the other end is connected to the clamping plate. The elastic component is pressure spring or sponge etc. and the clamp plate is the elastic rubber board, sets up the clamp plate into the elastic rubber board, and the elastic rubber board supports tightly with the core package side, utilizes the elastic rubber board to slow down the side clamp force to the core package when pressing from both sides tight core package, reduces the risk that the core package is squeezed the deformation.

In another embodiment, the elastic member 6 may be a sponge, an elastic rubber block, or the like, and the structure of the elastic member 6 is not particularly limited.

Rigid core package both can be placed to first standing groove 101 in the supplementary anchor clamps, can place soft package core package again, and when placing soft package core package, the inner wall of first standing groove 101 collides with soft package core package easily, leads to soft package core package's appearance to take place deformation, to foretell condition the lateral wall and the bottom of first standing groove 101 all are provided with elastic buffer layer, utilize elastic buffer layer's cushioning effect to reduce the lateral wall and the bottom of first standing groove 101 the impact of core package. Specifically, the elastic buffer layer is made of sponge or silica gel.

In other embodiments, an elastic buffer layer may be provided only on the side wall of the first placement groove 101 or only on the bottom of the first placement groove 101.

In the description herein, it is to be understood that the terms "upper," "lower," "left," "right," and the like are used in an orientation or positional relationship based on what is shown in the drawings for convenience of description and simplicity of operation, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be considered limiting. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

In the description herein, references to the description of "an embodiment," "an example" or the like are intended to 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, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be appropriately combined to form other embodiments as will be appreciated by those skilled in the art.

The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the present invention.

Claims (10)

1. The utility model provides a battery welding auxiliary fixture, its characterized in that, includes connecting rod, first locating piece and second locating piece, the connecting rod is connected first locating piece with the second locating piece, first locating piece with the second locating piece all can be in the length direction of connecting rod removes, just first locating piece with the second locating piece can be close to each other or keep away from, first locating piece is concave to be equipped with the first standing groove that is used for placing core package, first locating piece is close to one side of second locating piece is seted up and is supplied utmost point ear male utmost point ear entry, utmost point ear entry with first standing groove intercommunication, second locating piece is concave to be equipped with and is used for placing the second standing groove of utmost point ear, the second locating piece be close to one side of first locating piece set up with the utmost point ear export of second standing groove intercommunication.

2. The battery welding auxiliary fixture of claim 1, wherein said tab inlet and said tab outlet are directly opposite.

3. The auxiliary battery welding fixture as claimed in claim 1, wherein the fixture comprises two connecting rods, the two connecting rods are parallel to each other, and the first positioning block and the second positioning block are movably disposed on the two connecting rods.

4. The battery welding auxiliary fixture according to claim 3, wherein the first positioning block and the second positioning block are provided with connecting portions at opposite ends thereof, and the connecting portions are provided with connecting holes for the connecting rods to pass through.

5. The battery welding auxiliary fixture according to claim 1, wherein a first thread section and a second thread section are provided on the connecting rod along a length direction thereof, a thread turning direction of the first thread section is opposite to a thread turning direction of the second thread section, a first threaded hole through which the connecting rod passes is provided on the first positioning block, the first threaded hole is engaged with the first thread section, a second threaded hole through which the connecting rod passes is provided on the second positioning block, and the second threaded hole is engaged with the second thread section.

6. The auxiliary battery welding fixture as claimed in claim 1, wherein the connecting rod is a polish rod, the first positioning block and the second positioning block are both provided with a connecting hole for the polish rod to pass through, an elastic layer is protruded from an inner wall of the connecting hole, and the elastic layer selectively abuts against the polish rod.

7. The battery welding auxiliary fixture according to claim 1, wherein the first positioning block and the second positioning block are both provided with a connecting hole through which the connecting rod passes, the connecting rod is locked in the connecting hole through a locking assembly, the locking assembly comprises a locking screw and a locking hole arranged on a side wall of the connecting hole, the locking hole is communicated with the connecting hole, one end of the locking screw is screwed in the locking hole, and the locking screw abuts against the connecting rod inside the connecting hole.

8. The battery welding auxiliary fixture according to any one of claims 1 to 7, wherein the connecting rod is provided with at least two limiting protrusions, the at least two limiting protrusions are distributed at intervals along the length direction of the connecting rod, and the first positioning block and the second positioning block are both located between the at least two limiting protrusions.

9. The auxiliary clamp for battery welding as claimed in any one of claims 1 to 7, wherein at least one side wall of the first placement groove is provided with an elastic member in a protruding manner, and at least one elastic member is capable of extending and contracting towards the middle of the first placement groove so as to selectively abut against one side of the core package.

10. The battery welding auxiliary fixture according to any one of claims 1 to 7, wherein a side wall and/or a bottom of the first placing groove is provided with an elastic buffer layer.

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