CN220761434U - Battery cell welding equipment and battery cell adjustable platform thereof - Google Patents

Abstract

The utility model belongs to the technical field of welding equipment, and particularly relates to electric core welding equipment and an electric core adjustable platform thereof. The battery cell adjustable platform comprises a supporting plate, a connecting bracket and a lifting mechanism, wherein the supporting plate is used for installing a battery cell or a battery cell jig; the connecting bracket is arranged below the supporting plate and is used for being connected with the main body of the welding machine; the lifting mechanism comprises a lifting screw rod, a nut block and a connecting plate, wherein the connecting plate is fixed on the connecting bracket, the nut block is fixedly arranged on the connecting plate, the lifting screw rod penetrates through the nut block and is in threaded connection with the nut block, and the top of the lifting screw rod is fixedly connected with the bottom of the supporting plate. Through carrying out adjustable thinking through the bonding tool that carries out adjustable when changing traditional research and development, change adjustable object into the backup pad that supports electric core or electric core tool, so, need not to carry out the improvement design to original welding machine and can solve the problem, and overall structure is simple relatively, and staff easily operates, and manufacturing cost is also lower relatively.

Description

Battery cell welding equipment and battery cell adjustable platform thereof

Technical Field

The utility model belongs to the technical field of welding equipment, and particularly relates to electric core welding equipment and an electric core adjustable platform thereof.

Background

The resistance welding is an important welding process, has the advantages of high production efficiency, low cost, material saving, easy automation and the like, and is widely used for welding thin plate members. Resistance welding is generally a welding method in which workpieces are subjected to a certain electrode pressure and the contact surface between the two workpieces is melted by resistance heat generated when an electric current passes through the workpieces to effect connection.

The welded electrode rod has the most direct influence on welding quality, particularly for precise welding with high welding precision requirement and precise welding point position requirement, and strict control on the installation of the electrode rod is required.

At present, in order to improve the welding precision, the welding head is improved by adjusting the position of the welding head, the welding head is directly arranged on a welding machine, most of the welding machine is of a finished product structure, the welding head of the welding machine is improved by adjusting the position of the internal structure of the whole welding machine, the research and development cost and the production cost are high, and the universality of the improved welding machine is greatly reduced.

Disclosure of Invention

The utility model aims to provide a battery cell welding device and a battery cell adjustable platform thereof, which aim to at least solve the technical problems in the prior art.

In order to achieve the above object, an embodiment of the present utility model provides a cell-adjustable platform, including:

the support plate is used for mounting the power supply core or the power core jig;

the connecting bracket is arranged below the supporting plate and is used for being connected with the welding machine main body;

the lifting mechanism comprises a lifting screw rod, a nut block and a connecting plate, wherein the connecting plate is fixed on the connecting bracket, the nut block is fixedly installed on the connecting plate, the lifting screw rod penetrates through the nut block and is in threaded connection with the nut block, and the top of the lifting screw rod is fixedly connected with the bottom of the supporting plate.

Optionally, the linking bridge includes first crossbeam, second crossbeam and longeron, first crossbeam with the parallel interval arrangement of second crossbeam, first crossbeam with the one end of second crossbeam homonymy all with the longeron is connected fixedly, first crossbeam with the other end of second crossbeam homonymy all is used for being connected with the welding machine main part, the connecting plate is connected fixedly first crossbeam with between the second crossbeam.

Optionally, the lifting mechanisms are two, and the two lifting mechanisms are arranged at intervals.

Optionally, the connecting bracket further comprises a guiding structure, and the guiding structure is connected between the supporting plate and at least one of the first cross beam, the second cross beam and the longitudinal beam.

Optionally, the guide structure includes guiding axle and uide bushing, the uide bushing is fixed in through the guide holder connection first crossbeam the second crossbeam with on the longeron three at least one, the guiding axle wears to establish the uide bushing and with its sliding connection, just the top of guiding axle with the bottom of backup pad is connected.

Optionally, the guide structure has four, four among them two the uide bushing interval connection is fixed in on the first crossbeam, four among them the uide bushing interval connection is fixed in on the second crossbeam.

Optionally, the top of backup pad is provided with three adjustable stopper that just is used for spacing electric core or electric core tool side at least.

Optionally, the stopper is provided with the U type countersink hole, be provided with a plurality of evenly arranged connecting holes in the backup pad, the stopper is through wearing to establish the U type countersink hole and with the fastener locking that the connecting hole is connected is in the backup pad.

The embodiment of the utility model also provides a battery cell welding device which comprises the battery cell adjustable platform.

Optionally, the electric core welding equipment further comprises an electric core jig, the electric core jig comprises an electric core bearing plate and an electric core pressing plate, the electric core bearing plate is used for bearing an electric core, and the electric core pressing plate is used for pressing the electric core bearing on the electric core bearing plate and can be fixedly connected with the electric core bearing plate.

The above technical solutions in the cell adjustable platform provided by the embodiments of the present utility model have at least one of the following technical effects: according to the battery cell adjustable platform provided by the embodiment of the utility model, the connecting support is used for mounting the lifting mechanism, then the lifting mechanism is used for supporting the connecting support plate, the support plate is used for mounting the battery cell or the battery cell jig, when the battery cell or the battery cell jig borne on the support plate is required to be adjusted (the battery cell is accommodated on the battery cell jig), the lifting screw rod is controlled to rotate, so that the lifting screw rod moves up and down along the axial direction relative to the nut block in threaded connection with the lifting screw rod, as the top of the lifting screw rod is fixedly connected with the bottom of the support plate, the lifting screw rod can drive the support plate fixedly connected with the lifting screw rod to realize the up and down height adjustment when moving along the up and down axial direction, and thus the adjustable object is changed into the support plate for supporting the battery cell or the battery cell jig by changing the welding head of the traditional research and development method.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a battery cell adjustable platform according to an embodiment of the present utility model.

Fig. 2 is a schematic structural diagram of another view angle of the cell-adjustable platform in fig. 1.

Fig. 3 is a schematic exploded view of a cell-adjustable platform according to an embodiment of the present utility model.

Fig. 4 is a schematic structural diagram of a die-bonding apparatus according to an embodiment of the present utility model.

Fig. 5 is a schematic structural diagram of a cell fixture of the cell welding apparatus in fig. 4.

Wherein, each reference sign in the figure:

10-support plate 11-connecting hole 20-connecting bracket

21-first cross beam 22-second cross beam 23-longitudinal beam

30-lifting mechanism 31-lifting screw rod 32-nut block

33-connecting plate 34-U-shaped connector 40-guiding structure

41-guide shaft 42-guide sleeve 43-guide seat

50-limiting block 51-U-shaped slotted hole 60-cell supporting plate

61-positioning column 62-handle 70-cell pressing plate

71-locating hole 100-cell adjustable platform 200-welding machine main body

211-first flap 212-first weight-reducing bar-shaped hole 221-second flap

222-second weight-reducing bar-shaped hole 300-electric core 311-annular sinking groove

341-first side block 342-second side block 343-side notch

400-cell jig.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to fig. 1 to 5 are exemplary and intended to illustrate embodiments of the present utility model and should not be construed as limiting the utility model.

In the description of the embodiments of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the embodiments of the present utility model and simplify description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

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

In the embodiments of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured" and the like are to be construed broadly and include, for example, either permanently connected, removably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the embodiments of the present utility model will be understood by those of ordinary skill in the art according to specific circumstances.

In one embodiment of the present utility model, as shown in fig. 1-5, a cell adjustable platform 100 is provided for installation in a cell soldering apparatus. Specifically comprises a supporting plate 10, a connecting bracket 20 and a lifting mechanism 30. The support plate 10 is used for mounting the power supply 300 or the power supply jig 400. The battery cell 300 may be directly mounted on the support plate 10, or the battery cell 300 may be mounted on the battery cell jig 400 first, and then the battery cell jig 400 carrying the battery cell 300 is mounted on the support plate 10. The positioning and fixing mode can be realized by clamping or fastening piece positioning, and the positioning and fixing mode is selected according to actual conditions.

Further, as shown in fig. 2 and 4, a connection bracket 20 is provided under the support plate 10 and is used to connect with the welder body 200. The battery cell adjustable platform 100 provided in this embodiment is required to be mounted on the welder main body 200, so that the battery cell adjustable platform can be connected with a welder in a matching way. The specific connection structure utilizes the connection bracket 20 to ensure the stability and reliability of the battery cell adjustable platform 100 after installation.

Still further, as shown in fig. 2 to 3, the lifting mechanism 30 includes a lifting screw 31, a nut block 32 and a connecting plate 33, the connecting plate 33 is fixed on the connecting bracket 20, the nut block 32 is fixedly mounted on the connecting plate 33, and a threaded hole is formed in the nut block 32, and the threaded hole and the lifting screw 31 can be adapted in a threaded connection. The lifting screw 31 passes through the nut block 32 and is in threaded connection with the nut block, and the top of the lifting screw is fixedly connected with the bottom of the supporting plate 10. In this way, the nut block 32 is positioned on the connecting bracket 20 through the connecting plate 33, the realized position is fixed, the lifting screw rod 31 connected with the nut block is rotated in the threaded hole which can be arranged on the nut block 32, and the rotation motion is converted into the lifting motion, so that the upper and lower positions of the supporting plate 10 can be driven to be adjustable.

In the battery core adjustable platform 100 provided by the embodiment of the utility model, as shown in fig. 1 to 5, the connecting bracket 20 is used for installing the lifting mechanism 30, then when the connecting supporting plate 10 is supported by the lifting mechanism 30, the supporting plate 10 is used for installing the power core 300 or the battery core jig 400, when the battery core 300 or the battery core jig 400 (the battery core 300 is accommodated on the battery core jig 400) borne on the supporting plate 10 needs to be adjusted, the lifting screw 31 is controlled to rotate, so that the lifting screw 31 moves along the up-down axial direction relative to the nut block 32 in threaded connection with the lifting screw 31, and because the top of the lifting screw 31 is fixedly connected with the bottom of the supporting plate 10, the lifting screw 31 can drive the supporting plate 10 fixedly connected with the lifting screw 31 to realize the up-down height adjustment, and thus the adjustable thought is changed into the supporting plate 10 for supporting the battery core 300 or the battery core jig 400 by changing the welding head of the welding machine in the traditional research and development.

In an embodiment, as shown in fig. 3, the lifting mechanism 30 further includes a U-shaped connector 34, the opening of the U-shaped connector 34 is set towards the horizontal direction, the U-shaped connector 34 includes a first side block 341 and a second side block 342 that are oppositely arranged, where the first side block 341 is locked and connected with the bottom of the support plate 10, and the second side block 342 is provided with a side notch 343. The lifting screw rod 31 is provided with an annular sinking groove 311 sinking along the circumferential direction of the screw rod near the top end of the lifting screw rod 31, and the lifting screw rod 31 is clamped into a side notch 343 arranged on the second side block 342 by taking the annular sinking groove 311 as a mounting position, so that the lifting screw rod 31 is connected with the bottom of the supporting plate 10, and the lifting screw rod is ingenious in design and very convenient and practical.

In another embodiment of the adjustable battery core platform 100 provided by the utility model, as shown in fig. 2 to 3, the connecting bracket 20 includes a first beam 21, a second beam 22 and a longitudinal beam 23, the first beam 21 and the second beam 22 are arranged in parallel and spaced apart, one ends of the same sides of the first beam 21 and the second beam 22 are connected and fixed with the longitudinal beam 23, the other ends of the same sides of the first beam 21 and the second beam 22 are connected and fixed with the welding machine main body 200, and the connecting plate 33 is connected and fixed between the first beam 21 and the second beam 22. Specifically, the longitudinal beams 23 connect the same ends of one sides of the first cross beam 21 and the second cross beam 22 together to form an integral bracket structure, and then the same ends of the other sides of the first cross beam 21 and the second cross beam 22 are used for connecting with the welding machine main body 200, so that the formed connecting bracket 20 is stable and reliable. The arrangement of the longitudinal beams 23 provides a large distance between the first and second transverse beams 21, 22, which distance enables the connecting bracket 20 to form a large fastening position, which is very advantageous for the installation of the support plate 10 and for the support fastening of the support plate 10. Further, the first folding plate 211 and the second folding plate 221 are respectively disposed at one ends of the first beam 21 and the second beam 22 connected with the welder main body 200, and are in contact with the welder main body 200 through the first folding plate 211 and the second folding plate 221, so that the contact area between the first beam 21 and the second beam 22 and the welder main body 200 is increased, and then fastening holes are disposed on the first folding plate 211 and the second folding plate 221 for fastening members to penetrate through and connect the welding main body 200, so that the connection bracket 20 is firmly connected with the welder main body 200.

In another embodiment, as shown in fig. 2 to 3, the first beam 21 and the second beam 22 are further provided with a first weight-reducing bar hole 212 and a second weight-reducing bar hole 222, respectively, and more than one first weight-reducing bar hole 212 or second weight-reducing bar hole 222 may be provided according to the length condition of the first beam 21 and the second beam 22. In this way, the quality of the whole connecting bracket 20 can be reduced, and the strength of the whole connecting bracket 20 can be ensured.

Preferably, as shown in fig. 2, the lifting mechanism 30 has two lifting mechanisms 30, and the two lifting mechanisms 30 are spaced apart. By providing two lifting mechanisms 30, the lifting control of the supporting plate 10 in the vertical direction is performed at two positions, so that the balance and stability of the lifting control of the supporting plate 10 can be ensured as much as possible, and the welding defect of the battery cell 300 caused by the inclination can be reduced. Typically, two lifting mechanisms 30 are spaced apart along the length of the support plate 10.

In another example of the adjustable cell platform 100 provided by the present utility model, as shown in fig. 2 to 3, the connection bracket 20 further includes a guide structure 40, one embodiment is that the guide structure 40 is connected between the support plate 10 and the first cross beam 21, one embodiment is that the guide structure 40 is connected between the support plate 10 and the second cross beam 22, and one embodiment is that the guide structure 40 is connected between the support plate 10 and the longitudinal beam 23.

In other embodiments, the guide structure 40 is connected between the support plate 10 and the first beam 21, and between the support plate 10 and the second beam 22.

In other embodiments, the guide structure 40 is connected between the support plate 10 and the first cross member 21, and between the support plate 10 and the stringers 23.

In other embodiments, the guide structure 40 is connected between the support plate 10 and the second cross member 22, and between the support plate 10 and the stringers 23.

In other embodiments, the guide structure 40 is connected between the support plate 10 and the first cross member 21, between the support plate 10 and the stringers 23, and between the support plate 10 and the second cross member 22.

The guiding structure 40 in this embodiment is beneficial to guiding the supporting plate 10 to lift up and down relative to the connecting bracket 20, and the lifting process is always performed along the guiding structure 40, so that the inclination of the supporting plate 10 in the lifting process is avoided, the friction in the lifting process is also beneficial to be reduced, and meanwhile, the supporting force to the supporting plate 10 is provided by the auxiliary lifting mechanism 30.

In a preferred embodiment, as shown in fig. 2, guide structures 40 are provided on the outer sides of the first beam 21 and the second beam 22, respectively. Conventional techniques generally consider the guiding and lifting to be side by side, on the one hand because of the ease of positioning and, on the other hand, the structure by which the guiding and lifting are arranged to form an array provides a more strong support for the support. In a preferred embodiment of the present utility model, the installation position of the guide structure 40 and the installation position of the lifting mechanism 30 are offset (this embodiment is not shown), so that a multi-point support is formed below the support plate 10, and the support effect is better, the support of the support plate 10 is more balanced, and the practical effect is better, although the installation convenience is reduced.

In another embodiment of the adjustable cell platform 100 provided by the present utility model, as shown in fig. 3, the guide structure 40 includes a guide shaft 41 and a guide sleeve 42, and the guide sleeve 42 is fixedly connected to at least one of the first beam 21, the second beam 22 and the longitudinal beam 23 through a guide seat 43, that is, the guide sleeve 42 may be mounted on the first beam 21, or the guide sleeve 42 may be mounted on the second beam 22, or the guide sleeve 42 may be mounted on the longitudinal beam 23, or the guide sleeve 42 may be mounted on the first beam 21 and the second beam 22, or the guide sleeve 42 may be mounted on the first beam 21 and the longitudinal beam 23, or the guide sleeve 42 may be mounted on the second beam 22 and the longitudinal beam 23, or the guide sleeve 42 may be mounted on the first beam 21, the second beam 22 and the longitudinal beam 23.

Specifically, the guide shaft 41 is inserted through the guide sleeve 42 and slidably connected thereto, and the top of the guide shaft 41 is connected to the bottom of the support plate 10, for example, the top of the guide shaft 41 may be also fastened to the support plate 10 by using a fastener. In this embodiment, the guide sleeve 42 may adopt a bearing, and slide the guide shaft 41 up and down in the guide sleeve 42 to realize sliding guide of friction force. Preferably, the guide sleeve 42 is mounted on the outside of the first beam 21, the second beam 22, and/or the longitudinal beam 23 by means of a guide seat 43, which facilitates the mounting.

The guide seat 43 can be locked on the first beam 21, the second beam 22 or the longitudinal beam 23 by adopting a fastener, so that the assembly and the disassembly are convenient, and the assembly is stable and reliable.

More preferably, as shown in fig. 2, the guiding structure 40 has four guiding structures 40, two guiding sleeves 42 of the four guiding structures 40 are connected and fixed on the first beam 21 at intervals, and the other two guiding sleeves 42 of the four guiding structures 40 are connected and fixed on the second beam 22 at intervals. In this way, the up-and-down movement of the guide support plate 10 supported by the four guide shafts 41 is realized approximately near the outer side of the support plate 10. Thereby realizing more balance and stability of the supporting plate 10 in the up-and-down lifting process.

In another embodiment of the adjustable battery cell platform 100 provided by the present utility model, as shown in fig. 1, at least three limiting blocks 50 with adjustable positions and used for limiting the side edges of the battery cell 300 or the battery cell jig 400 are disposed on the top of the supporting plate 10. Specifically, the three limiting blocks 50 limit the sides of the rectangular battery cell 300 or the battery cell jig 400, so that the battery cell 300 is ensured to be stably carried on the supporting plate 10, and then the welding of the battery cell 300 is more reliable.

In another embodiment of the adjustable cell platform 100 provided by the present utility model, as shown in fig. 1 and 3, the limiting block 50 is provided with a U-shaped slot hole 51, the supporting plate 10 is provided with a plurality of uniformly arranged connection holes 11, and the limiting block 50 is locked on the supporting plate 10 by a fastener penetrating through the U-shaped slot hole 51 and connected with the connection holes 11. In this embodiment, a plurality of rows or columns of connecting holes 11 are respectively provided on the support plate 10 along the longitudinal direction and the transverse direction, the connecting holes 11 can be aligned with the U-shaped slotted holes 51 provided on the limiting block 50, so that the limiting block 50 can conveniently move along the direction of the arranged connecting holes 11, and after a proper position is selected, the limiting block 50 can be fixed by fastening the connecting holes 11 after penetrating the U-shaped slotted holes 51 through fasteners. In this way, the single support plate 10 can realize positioning and mounting of the battery cells 300 or the battery cell jig 400 with different sizes, and has wider application range and more flexible use

As shown in fig. 4, an embodiment of the present utility model further provides a die-bonding apparatus, which includes the above-mentioned die-adjustable platform 100. Because this electric core welding equipment has electric core adjustable platform 100 among the above-mentioned embodiment, this electric core welding equipment need not to carry out the improvement design and can solve the problem of own structure of welding machine, and overall structure is simple relatively, and the staff easily operates, and manufacturing cost is also lower relatively, and the practicality is stronger.

In this embodiment, as shown in fig. 4 to 5, the cell welding apparatus further includes a cell fixture 400, where the cell fixture 400 includes a cell support plate 60 and a cell press plate 70, the cell support plate 60 is used to carry the cell 300, and the cell press plate 70 is used to press the cell 300 carried on the cell support plate 60, and can be connected and fixed with the cell support plate 60. In this embodiment, after the battery cell 300 is mounted on the support plate, the strip-shaped battery cell pressing plate 70 is covered, and the battery cell pressing plate 70 presses part of the structure of the battery cell 300 and then is connected with the battery cell support plate 60, so that the battery cell 300 is mounted on the battery cell jig 400, and then the battery cell jig 400 is mounted on the support plate 10.

Further, as shown in fig. 5, two handles 62 close to two opposite outer sides of the battery cell supporting plate 60 are provided on the battery cell supporting plate 60, and the arrangement of the handles 62 is beneficial to the whole lifting or lowering of the battery cell jig 400 by the staff, and the replacement of the battery cell jig 400 is also convenient.

In another embodiment of the cell welding device provided by the utility model, as shown in fig. 5, two positioning columns 61 are arranged on a cell supporting plate 60 at intervals, two positioning holes 71 matched with the positioning columns 61 in position are arranged on a cell pressing plate 70, and the cell pressing plate 70 covers the cell 300 on the cell 300 support through the matching of the positioning columns 61 and the positioning holes 71, so that a foolproof effect can be achieved.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (10)

1. An electric core adjustable platform, its characterized in that: comprising the following steps:

the support plate is used for mounting the power supply core or the power core jig;

the connecting bracket is arranged below the supporting plate and is used for being connected with the welding machine main body;

the lifting mechanism comprises a lifting screw rod, a nut block and a connecting plate, wherein the connecting plate is fixed on the connecting bracket, the nut block is fixedly installed on the connecting plate, the lifting screw rod penetrates through the nut block and is in threaded connection with the nut block, and the top of the lifting screw rod is fixedly connected with the bottom of the supporting plate.

2. The cell-tunable platform of claim 1, wherein: the connecting bracket comprises a first cross beam, a second cross beam and longitudinal beams, wherein the first cross beam and the second cross beam are arranged at intervals in parallel, one end of the same side of the first cross beam and one end of the same side of the second cross beam are connected and fixed with the longitudinal beams, the other end of the same side of the first cross beam and the other end of the same side of the second cross beam are connected with a main body of the welding machine, and the connecting plate is connected and fixed between the first cross beam and the second cross beam.

3. The cell-tunable platform of claim 2, wherein: the lifting mechanisms are arranged at intervals.

4. The cell-tunable platform of claim 2, wherein: the connecting bracket further comprises a guide structure, and the guide structure is connected between the supporting plate and at least one of the first cross beam, the second cross beam and the longitudinal beam.

5. The cell-tunable platform of claim 4, wherein: the guide structure comprises a guide shaft and a guide sleeve, the guide sleeve is fixedly connected to at least one of the first cross beam, the second cross beam and the longitudinal beam through a guide seat, the guide shaft penetrates through the guide sleeve and is in sliding connection with the guide sleeve, and the top of the guide shaft is connected with the bottom of the supporting plate.

6. The cell-tunable platform of claim 5, wherein: the guide structure is provided with four guide structures, two guide sleeves of the four guide structures are connected and fixed on the first cross beam at intervals, and the other two guide sleeves of the four guide structures are connected and fixed on the second cross beam at intervals.

7. The cell-tunable platform of any one of claims 1 to 6, wherein: the top of backup pad is provided with three adjustable stopper of position just being used for spacing electric core or electric core tool side at least.

8. The cell-tunable platform of claim 7, wherein: the limiting block is provided with a U-shaped slotted hole, the supporting plate is provided with a plurality of uniformly arranged connecting holes, and the limiting block is locked on the supporting plate through a fastener penetrating through the U-shaped slotted hole and connected with the connecting holes.

9. The utility model provides a electricity core welding equipment which characterized in that: comprising the cell-tunable platform of any one of claims 1 to 8.

10. The die-bonding apparatus according to claim 9, wherein: the battery cell welding equipment further comprises a battery cell jig, the battery cell jig comprises a battery cell bearing plate and a battery cell pressing plate, the battery cell bearing plate is used for bearing a battery cell, and the battery cell pressing plate is used for pressing the battery cell borne on the battery cell bearing plate and can be fixedly connected with the battery cell bearing plate.