CN210703316U - Welding tool for battery - Google Patents

Abstract

The utility model provides a welding frock for battery, include: the battery pack comprises a first supporting plate and a second supporting plate, wherein the first supporting plate and the second supporting plate are arranged at intervals, and a battery is suitable for being placed on the second supporting plate; the adjusting plate is matched with the first supporting plate and defines a through hole through which a terminal suitable for a battery passes together, the adjusting plate is provided with an accommodating groove suitable for placing a connecting sheet, one side of the accommodating groove is opened to be communicated with the through hole, the relative height of the first supporting plate and the second supporting plate can be adjusted, and the distance between the accommodating groove and the two opposite side walls of the through hole can be adjusted. According to the utility model discloses a welding frock for battery need not to use insulating adhesive tape, can reduce the potential safety hazard in the welding process, helps improving welded efficiency, reduces consumeing of manpower and materials to can avoid the connection piece to rock the welding position error that arouses, still be applicable to the welding of the battery of co-altitude not, different thickness and connection piece, be applicable to the welding of battery and co-ordinate's connection piece.

Description

Welding tool for battery

Technical Field

The utility model relates to a battery technology field, in particular to a welding frock for battery.

Background

Batteries in the prior art, such as square lithium ion batteries, are widely used due to their high energy density, good safety performance, and long cycle life. In recent years, square aluminum shell lithium ion batteries are rapidly popularized, and are particularly suitable for occasions requiring high-power batteries such as electric cars and electric buses.

With the continuous popularization and use of square lithium ion batteries, the performance test and the safety test of the batteries become inevitable verification work, and currently, an aluminum connecting sheet is generally used as a charging and discharging medium for the performance test and the safety test.

However, the conventional method for welding the connecting sheet still adopts a manual operation method, the connecting sheet is adhered to the positive terminal and the negative terminal of the battery by using an insulating tape, manpower and material resources are wasted, the insulating tape is easily burnt by high temperature generated in the welding process, and great potential safety hazards are caused to the battery; moreover, the connecting sheet is easy to shake, which causes welding position errors; furthermore, this welding method is not flexibly applicable when the height and thickness of the battery and the size of the connecting tab are changed.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a welding frock for battery.

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

a welding tool for a battery, comprising: the battery pack comprises a first supporting plate and a second supporting plate, wherein the first supporting plate and the second supporting plate are arranged at intervals, and the battery is suitable for being placed on the second supporting plate; the regulating plate, the regulating plate with first layer board cooperatees and prescribes a limit to jointly and is suitable for the mouth that passes through of the terminal of battery, the regulating plate has the holding tank that is suitable for placing the connection piece, one side of holding tank open with the mouth intercommunication passes through, wherein, first layer board with the relative height-adjustable of second layer board, the holding tank with the distance between the relative both sides wall of mouth is adjustable.

According to the welding tool for the battery provided by the embodiment of the utility model, the connecting sheet is placed in the accommodating groove, so that the pre-positioning of the connecting sheet can be realized, and the insulating adhesive tape is omitted; and, can realize the welding of the battery of co-altitude not through the relative altitude of adjusting first layer board and second layer board and connection piece, realize the welding of the battery of co-altitude not and connection piece through the distance between the relative both sides wall of regulation holding tank and through-hole, realize the welding of battery and co-altitude not connection piece through the size that changes the holding tank, thereby help improving battery and connection piece welded efficiency, reduce consumption of manpower and materials, avoid the connection piece to rock the welding position error that arouses, reduce the potential safety hazard among the welding process.

According to some embodiments of the invention, at least one of the first support plate and the adjustment plate is provided with an adaptation groove, and the passage opening comprises at least a part of the adaptation groove.

In some embodiments of the present invention, the first supporting plate is provided with the fitting groove, one side of the fitting groove is open, and the adjusting plate is movably fitted in the fitting groove.

In some embodiments of the present invention, the fitting grooves respectively penetrate the upper surface, the lower surface and the side wall surface of the first supporting plate.

In some embodiments of the present invention, the adjusting plate is provided with the fitting groove, and the accommodating groove is formed in the inner side of the fitting groove and is communicated with the fitting groove.

In some embodiments of the present invention, one of the first supporting plate and the adjusting plate is provided with a first guide portion and the other is provided with a second guide portion, and the first guide portion is movably engaged with the second guide portion.

According to some embodiments of the utility model, first layer board with the second layer board links to each other through adjusting the pole, the movably cover of first layer board is established adjust on the pole.

In some embodiments of the present invention, the adjusting rod is a plurality of adjusting rods, and the adjusting rods are respectively disposed adjacent to the corners of the second supporting plate.

The utility model discloses an in some embodiments, be equipped with the screw thread on the regulation pole, first layer board passes through the nut to be fixed adjust on the pole.

According to some embodiments of the utility model, first layer board with the second layer board is adjustable at the ascending distance in upper and lower side, the holding tank with the distance of passing through the mouth on the horizontal direction is adjustable.

Compared with the prior art, a welding frock for battery, need not to use insulating adhesive tape, can reduce the potential safety hazard in the welding process, help improving welded efficiency, reduce consumeing of manpower and materials to can avoid the connection piece to rock the welding position error that arouses, still be applicable to the welding of the battery of not co-altitude, different thickness and connection piece, be applicable to the welding of battery and the connection piece of not unidimensional.

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

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 perspective view of a welding tool for a battery according to an embodiment of the present invention;

fig. 2 is a perspective view of an adjustment plate according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of an adjusting plate according to an embodiment of the present invention;

fig. 4 is a perspective view of a first pallet according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a first supporting plate according to an embodiment of the present invention;

fig. 6 is a perspective view of a second pallet according to an embodiment of the present invention;

fig. 7 is a schematic structural diagram of a second supporting plate according to an embodiment of the present invention;

fig. 8 is a schematic structural view of an adjusting lever according to an embodiment of the present invention;

fig. 9 is a perspective view of a nut according to an embodiment of the present invention.

Description of reference numerals:

a welding tool 100 for a battery, a through hole 101, a screw hole 102,

A first support plate 110, an adapting groove 111, a first guide part 112, a second support plate 120, an adjusting plate 130, a receiving groove 131, a second guide part 132,

Adjusting rod 140, nut 150, battery 200, terminal 201, connecting piece 300.

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.

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 with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

The welding tool 100 for a battery according to an embodiment of the present invention will be described below with reference to the accompanying drawings.

As shown in fig. 1-9, a welding tool 100 for a battery according to an embodiment of the present invention includes: a first support plate 110, a second support plate 120, and an adjustment plate 130.

Specifically, the first and second trays 110 and 120 are spaced apart, and the battery 200 is adapted to be placed on the second tray 120. For example, the second pallet 120 is located directly below the first pallet 110. The adjustment plate 130 is coupled to the first support plate 110, for example, the adjustment plate 130 may be form-fit to the first support plate 110. The regulating plate 130 and the first support plate 110 together define a passage opening 101 adapted for the terminal 201 of the battery 200 to pass through, the regulating plate 130 has a receiving groove 131 adapted to receive the connecting plate 300, and one side of the receiving groove 131 is opened to communicate with the passage opening 101 to allow the connecting plate 300 to protrude, enabling the welding of the connecting plate 300 with the terminal 201 of the battery 200.

It is understood that the welding of the battery 200 to the connecting plate 300 of different size can be achieved by providing different sizes of the receiving groove 131 to accommodate different sizes of the connecting plate 300, for example, by replacing the adjusting plate 130 having a different size of the receiving groove 131, the welding of the battery 200 to the connecting plate 300 of different width can be satisfied.

The relative heights of the first supporting plate 110 and the second supporting plate 120 are adjustable, that is, the height of one of the first supporting plate 110 and the second supporting plate 120 can be adjusted, or the heights of the first supporting plate 110 and the second supporting plate 120 can be adjusted respectively. For example, an adjusting structure may be disposed between the first supporting plate 110 and the second supporting plate 120, and the adjusting structure may be a telescopic rod; or, the adjusting structure may be provided with a plurality of detents, and the adjustment of the relative heights of the first supporting plate 110 and the second supporting plate 120 may be realized by adjusting one of the first supporting plate 110 and the second supporting plate 120 to be matched with different detents, which may be protrusions or grooves; still alternatively, one of the first and second blades 110 and 120 may be movably provided on the adjustment structure.

The distance between the receiving groove 131 and the opposite sidewalls of the through-hole 101 is adjustable, that is, the size of the opening of the through-hole 101 (i.e., the size of the space defined between the first supporting plate 110 and the adjusting plate 130) is adjustable. Specifically, the distance may be adjusted by relatively moving the first blade 110 and the adjustment plate 130.

According to the welding tool 100 for the battery provided by the embodiment of the utility model, the connecting sheet 300 can be pre-positioned by placing the connecting sheet 300 in the accommodating groove 131, so that the insulating adhesive tape is omitted; moreover, the welding of the batteries 200 and the connecting pieces 300 with different heights can be realized by adjusting the relative heights of the first supporting plate 110 and the second supporting plate 120, the welding of the batteries 200 and the connecting pieces 300 with different thicknesses can be realized by adjusting the distance between the accommodating groove 131 and the two opposite side walls of the through opening 101, the welding of the batteries 200 and the connecting pieces 300 with different sizes can be realized by changing the size of the accommodating groove 131, the welding efficiency of the batteries 200 and the connecting pieces 300 can be improved, the consumption of manpower and material resources can be reduced, the welding position error caused by the shaking of the connecting pieces 300 can be avoided, and the potential safety hazard in the welding process can be reduced.

According to some embodiments of the present invention, as shown in fig. 4, at least one of the first supporting plate 110 and the adjusting plate 130 is provided with an adapting groove 111. For example, the first supporting plate 110 is provided with an adapting groove 111; for another example, the adjusting plate 130 is provided with an adapting groove 111; for another example, the first supporting plate 110 and the adjusting plate 130 are respectively provided with an adapting groove 111. The through port 101 includes at least a portion of the fitting groove 111, i.e., the through port 101 includes a portion or all of the fitting groove 111. For example, a portion of the fitting groove 111 on the first support plate 110 and a side edge of the adjusting plate 130 facing the fitting groove 111 together define the passage opening 101; as another example, the adapter groove 111 is a closed-ended groove, with the pass-through port 101 defined by the entire adapter groove 111.

In some embodiments of the present invention, as shown in fig. 4, an adapting groove 111 is formed on the first supporting plate 110, one side of the adapting groove 111 is opened, and the adjusting plate 130 is movably fitted in the adapting groove 111. Thus, the regulating plate 130 can be smoothly pushed into the fitting groove 111 at the side where the fitting groove 111 is opened, and the regulating plate 130 can be smoothly pulled out from the fitting groove 111 after the welding is completed, thereby facilitating the placement of the battery 200 before the welding and the removal of the battery 200 after the welding is completed. Here, guide structures may be provided on the inner wall of the fitting groove 111 and the adjusting plate 130, respectively, to guide the movement of the adjusting plate 130.

Further, as shown in fig. 4, the fitting grooves 111 penetrate through the upper surface, the lower surface and the side wall surface of the first blade 110, respectively. Thus, the structure is simple, and the adjustment plate 130 is easily and smoothly fitted in the fitting groove 111.

In some embodiments of the present invention, the adjusting plate 130 is provided with an adapting groove 111, the accommodating groove 131 is formed in the inner side of the adapting groove 111, and the accommodating groove 131 is communicated with the adapting groove 111. For example, the fitting grooves 111 penetrate through the upper surface, the lower surface and the rear sidewall surface of the adjustment plate 130, respectively, the receiving grooves 131 penetrate through the upper surface of the adjustment plate 130 and the rear wall surfaces of the receiving grooves 131 are opened. Thus, the adapting groove 111 on the adjusting plate 130 and the adapting groove 111 on the first supporting plate 110 jointly define the through opening 101, and the structure is more various and the operation is convenient.

In some embodiments of the present invention, as shown in fig. 1, one of the first supporting plate 110 and the adjusting plate 130 is provided with a first guiding portion 112 and the other is provided with a second guiding portion 132, the first guiding portion 112 is movably matched with the second guiding portion 132, so that the relative movement between the first supporting plate 110 and the adjusting plate 130 is relatively stable, the operation is relatively smooth, and the structure is simple and reliable.

For example, the first guide portions 112 and the second guide portions 132 are respectively a plurality of one-to-one correspondence, and the first guide portions 112 and the second guide portions 132 respectively extend along the relative moving direction of the first supporting plate 110 and the adjusting plate 130. Wherein, the first guide part 112 and the second guide part 132 can be matched in shape, one of the first guide part 112 and the second guide part 132 is formed as a protrusion and the other is formed as a groove.

In some embodiments of the present invention, as shown in fig. 1, the first guiding portion 112 is disposed on the first supporting plate 110, and the first guiding portion 112 is formed as a groove which is communicated with the adapting groove 111 on the first supporting plate 110 and penetrates through the outer edge of the first supporting plate 110; the second guide part 132 is provided on the adjustment plate 130, and the second guide part 132 is formed as a protrusion which is protruded outward from the side edge of the adjustment plate 130. In this way, the body portion of the adjustment plate 130 can be securely and smoothly moved in the fitting groove 111 of the first support plate 110.

It is understood that the first guide part 112 may be provided on the upper surface of the first supporting plate 110 and the second guide part 132 may be provided on the lower surface of the adjusting plate 130, as long as the guide of the relative movement between the first supporting plate 110 and the adjusting plate 130 can be achieved.

According to some embodiments of the present invention, as shown in fig. 1, the first supporting plate 110 is connected to the second supporting plate 120 through the adjusting rod 140, and the first supporting plate 110 is movably sleeved on the adjusting rod 140.

For example, a plurality of protrusions may be provided at different heights of the adjustment lever 140, and a groove may be provided on the first supporting plate 110, the groove and the protrusion cooperate to fix the first supporting plate 110 on the adjustment plate 130, and the groove and the protrusion are separated to move the first supporting plate 110.

Therefore, the relative height of the first supporting plate 110 and the second supporting plate 120 can be adjusted by the adjusting rod 140, so that the welding device is suitable for welding the batteries 200 and the connecting plates 300 with different heights.

In some embodiments of the present invention, as shown in fig. 1, the adjusting bar 140 is provided in a plurality, and the plurality of adjusting bars 140 are respectively disposed adjacent to corners of the second supporting plate 120. For example, the second support plate 120 is a rectangular plate, four adjustment rods 140 are respectively disposed adjacent to four corners of the rectangular plate, and the four adjustment rods 140 are respectively fixed on the second support plate 120 by nuts 150. Thus, the structure is relatively firm.

In some embodiments of the present invention, as shown in fig. 1, the adjusting rod 140 is provided with a screw thread, and the first supporting plate 110 is fixed on the adjusting rod 140 by a nut 150. For example, the nut 150 is positioned below the first support plate 110, and when the position of the nut 150 is changed, the height of the first support plate 110 may be changed as the position of the nut 150 is changed; when the nut 150 is fixed, the first support plate 110 is fixed to the adjustment lever 140. Thus, the first supporting plate 110 can be moved and fixed by moving and fixing the nut 150, and the structure is simple and reliable.

According to some embodiments of the present invention, as shown in fig. 1, the distance between the first supporting plate 110 and the second supporting plate 120 in the vertical direction is adjustable, and the distance between the accommodating groove 131 and the through hole 101 in the horizontal direction is adjustable. That is, the first blade 110 is positioned above the second blade 120, the first blade 110, the second blade 120, and the adjustment plate 130 are horizontally arranged, and the through holes 101 vertically penetrate. Thus, the connection piece 300 is relatively firm during welding.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

To sum up, the utility model discloses a welding frock 100 for battery need not to use insulating tape, can reduce the potential safety hazard in the welding process, helps improving welded efficiency, reduces consumeing of manpower and materials to can avoid connection piece 300 to rock the welding position error that arouses, still be applicable to the welding of battery 200 and connection piece 300 of not co-altitude, different thickness, be applicable to the welding of battery 200 and not unidimensional connection piece 300.

A welding tool 100 for a battery according to an embodiment of the present invention will be described with reference to the drawings.

As shown in fig. 1 to 9, in the present embodiment, the battery 200 is placed on the second supporting plate 120, the second supporting plate 120 is a rectangular plate, four screw holes 102 are formed at four corners of the second supporting plate 120, the adjusting rod 140 is provided with threads, the four adjusting rods 140 are fitted into the four screw holes 102 of the second supporting plate 120, the adjusting rod 140 is fastened to the second supporting plate 120 by nuts 150, and the adjusting rod 140 is maintained perpendicular to the second supporting plate 120.

The first supporting plate 110 is arranged right above the second supporting plate 120 at intervals, four screw holes 102 are correspondingly formed in the four corners of the first supporting plate 110, four nuts 150 are arranged on the lower side of the first supporting plate 110, and the four nuts 150 are respectively matched with the four adjusting rods 140 to support the second supporting plate 120 so that the height position of the second supporting plate is fixed; four nuts 150 are also provided on the upper side of the first support plate 110, and the four nuts 150 are respectively fitted on the four adjustment rods 140 to fix the first support plate 110 so that it cannot move upward.

According to the height of the battery 200, the eight nuts 150 on the upper and lower sides of the first support plate 110 are adjusted to make the upper surface of the terminal 201 of the battery 200 parallel to and different from the upper surface of the first support plate 110 by a fixed distance (generally, the thickness of the connecting sheet 300), i.e., when the connecting sheet 300 is placed on the terminal 201 of the battery 200, the upper surface of the connecting sheet 300 is flush with the upper surface of the first support plate 110.

The first support plate 110 is provided with an adapting groove 111, and the adapting groove 111 penetrates through the upper surface, the lower surface and the side wall surface of the first support plate 110. Two first guide portions 112 are respectively disposed on the left side and the right side of the fitting groove 111 of the first supporting plate 110, two second guide portions 132 are respectively disposed on the left side wall and the right side wall of the adjusting plate 130, and the two first guide portions 112 are respectively matched with the two second guide portions 132. When the adjustment plate 130 is fitted on the first support plate 110, the upper surface of the adjustment plate 130 is flush with the upper surface of the first support plate 110.

The adjusting plate 130 is also provided with an adapting groove 111, the adapting groove 111 penetrates through the upper surface, the lower surface and the rear side wall surface of the adjusting plate 130 respectively, two accommodating grooves 131 suitable for placing the connecting pieces 300 are formed in the adjusting plate 130, and the rear sides of the accommodating grooves 131 are opened to be communicated with the adapting groove 111. The size design of the accommodating groove 131 is matched with the used connecting piece 300, so that the connecting piece 300 is fixed, and the connecting piece 300 is prevented from shaking left and right. The regulating plate 130 and the first holding plate 110 together define a passage opening 101 adapted for the terminal 201 of the battery 200 to pass through, that is, the passage opening 101 is defined by the fitting groove 111 of the regulating plate 130 and the fitting groove 111 of the first holding plate 110 together.

Thus, the size of the through opening 101 can be adjusted by pushing and pulling the adjusting plate 130 in the front-rear direction, so that the welding of the batteries 200 with different thicknesses and the connecting sheet 300 can be adapted, and the placement of the batteries 200 before welding and the taking out of the batteries 200 after the welding can be facilitated.

Table 1 is the welding mode of prior art who obtains according to the experiment and according to the utility model discloses an effect contrast condition for the welding frock of battery.

TABLE 1

As shown in table 1, according to the welding tool 100 for the battery of the present embodiment, compared with the prior art, the material loss can be reduced, the work efficiency is effectively improved, and the safety factor is higher.

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.

Other constructions and operations of the welding tool 100 for a battery according to embodiments of the present invention are known to those of ordinary skill in the art and will not be described in detail herein.

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.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like 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 present 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.

Claims (10)

1. The utility model provides a welding frock for battery which characterized in that includes:

the battery pack comprises a first supporting plate and a second supporting plate, wherein the first supporting plate and the second supporting plate are arranged at intervals, and the battery is suitable for being placed on the second supporting plate;

a regulating plate that cooperates with the first support plate and that collectively defines a passage opening adapted for passage of a terminal of the battery, the regulating plate having a receiving groove adapted for placement of a connecting tab, one side of the receiving groove being open to communicate with the passage opening, wherein,

the relative height of the first supporting plate and the second supporting plate is adjustable, and the distance between the accommodating groove and the two opposite side walls of the through opening is adjustable.

2. The welding tool for the battery according to claim 1, wherein at least one of the first support plate and the adjusting plate is provided with an adapting groove, and the through opening comprises at least a part of the adapting groove.

3. The welding tool for the battery according to claim 2, wherein the first supporting plate is provided with the adapting groove, one side of the adapting groove is open, and the adjusting plate is movably fitted in the adapting groove.

4. The welding tool for the battery according to claim 3, wherein the adapting grooves penetrate through the upper surface, the lower surface and the side wall surface of the first supporting plate respectively.

5. The welding tool for the battery according to claim 2, wherein the adjusting plate is provided with the adapting groove, and the accommodating groove is formed on the inner side of the adapting groove and communicated with the adapting groove.

6. The welding tool for the battery according to claim 2, wherein one of the first supporting plate and the adjusting plate is provided with a first guide portion and the other is provided with a second guide portion, and the first guide portion is movably matched with the second guide portion.

7. The welding tool for the battery according to claim 1, wherein the first supporting plate is connected with the second supporting plate through an adjusting rod, and the first supporting plate is movably sleeved on the adjusting rod.

8. The welding tool for the battery according to claim 7, wherein the number of the adjusting rods is multiple, and the adjusting rods are respectively arranged adjacent to corners of the second supporting plate.

9. The welding tool for the battery according to claim 7, wherein the adjusting rod is provided with threads, and the first supporting plate is fixed on the adjusting rod through a nut.

10. The welding tool for the battery according to any one of claims 1 to 9, wherein a distance between the first supporting plate and the second supporting plate in the up-down direction is adjustable, and a distance between the accommodating groove and the through opening in the horizontal direction is adjustable.

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