CN221337352U - New energy battery package support welding frock - Google Patents

Abstract

The utility model relates to the technical field of welding equipment for a new energy battery pack bracket, and discloses a welding tool for the new energy battery pack bracket, which comprises a workbench for fixing the welding tool, wherein mounting holes for fixing a welding robot and the welding tool are respectively formed in two sides of the workbench, the welding tool comprises a bottom positioning support mechanism for positioning and supporting the bottom of the battery pack bracket and a top positioning support mechanism for positioning and supporting the top of the battery pack bracket, the bottom positioning support mechanism and the top positioning support mechanism comprise a plurality of bottom positioning support mechanisms and the top positioning support mechanism are all fixed on the workbench through mounting plates.

Description

New energy battery package support welding frock

Technical Field

The utility model relates to the technical field of welding equipment for new energy battery pack supports, in particular to a welding tool for a new energy battery pack support.

Background

The battery pack of the new energy automobile needs to be connected with the automobile chassis through a support for installation, the support is generally formed by assembling and welding a plurality of small steel plates, as shown in fig. 5 and 6, the battery pack comprises a first connecting part 401 connected with the battery pack and a second connecting part 402 connected with the automobile chassis, and an L-shaped connecting frame 403 for connecting the first connecting part 401 and the second connecting part together, wherein the first connecting part 401 and the second connecting part 402 are 90 degrees, the first connecting part 401 and the second connecting part 402 are respectively welded at two ends of the L-shaped connecting frame 403, the L-shaped connecting frame 403 is formed by bending a U-shaped plate, the first connecting part 401, the second connecting part 402 and the L-shaped connecting frame 403 are welded through a welding robot, as shown in the graph 401, due to the fact that the welding positions are more, the welding angle difference is larger, the support structure is complex, positioning accuracy is difficult, errors exist, and welding effects are easily affected.

Therefore, in order to meet the welding processing precision requirement of the beam of the battery pack bracket, it is highly desirable to design a welding tool for welding operation of the battery pack bracket, which is used for fixing the battery pack bracket when the battery pack bracket is welded, so as to ensure the welding precision and the welding effect.

Disclosure of utility model

The utility model aims to provide a welding tool for a new energy battery pack bracket, which has the advantages of high welding efficiency, good welding effect, high precision, small error, strong universality and good stability.

The technical aim of the utility model is realized by the following technical scheme:

The utility model provides a new forms of energy battery package support welding frock, includes the workstation that is used for fixed welding frock, the both sides of workstation are equipped with the mounting hole that is used for fixed welding robot and welding frock respectively, welding frock is including being used for carrying out the bottom location supporting mechanism that location supported to battery package support bottom and being used for carrying out the top location supporting mechanism that location supported to battery package support top, bottom location supporting mechanism and top location supporting mechanism all include a plurality ofly, and each bottom location supporting mechanism and top location supporting mechanism are all fixed on the workstation through the mounting panel.

Through adopting above-mentioned technical scheme, the fixed of welding robot and welding frock position can be realized to the mounting hole that utilizes earlier to set up on the workstation, then utilize bottom location supporting mechanism and top location supporting mechanism to carry out quick location and support to the top and the bottom of battery package support assembly respectively in the welding frock for each welding position point remains stable throughout in the welding process in the top and the bottom of battery package support, welding efficiency is high moreover, the welding effect is good, the precision is high, the error is little, the whole installation and the dismantlement of welding frock can be realized in the setting of mounting panel, thereby can adapt to the fixed mounting of the welding frock of different models, through changing the welding frock of different models, the welding operation of the battery package support of different sizes can be realized, the commonality of device has been improved greatly.

The utility model is further provided with: the bottom positioning support mechanism comprises a first support plate and a second support plate, wherein the first support plate and the second support plate are used for supporting the bottom of the battery pack support, the first support plate and the second support plate are parallel to each other and are vertically fixed on the mounting plate, one ends of the tops of the first support plate and the second support plate, which are close to the first connecting portion in the battery pack support, are respectively provided with a first support surface used for supporting the bottom surface of a fixed section connected with a battery pack in the first connecting portion in the battery pack support and a limiting groove used for limiting the lower end of the first connecting portion in the battery pack support, the first support surface is communicated with the limiting groove, and one ends of the tops of the first support plate and the second support plate, which are close to the second connecting portion in the battery pack support, are respectively provided with a second support surface used for supporting the bottom of the second connecting portion in the battery pack support.

Through adopting above-mentioned technical scheme, backup pad one and backup pad two are respectively through holding surface one and holding surface two to the bottom surface of the fixed section that connecting portion one was arranged in being connected with the battery package in the battery package support and the bottom of connecting portion two respectively support for the welding position point of battery package support top exposes in robot welding equipment's welding area completely, carries out spacingly to the lower extreme of connecting portion one in the battery package support through the spacing groove, and connecting portion one can not follow holding surface one and holding surface two at welding process, and its bottom slides, and consequently stability is better, and the spacing groove still has the locate action moreover, in continuous batch welding process, can guarantee that the welding position at every battery package support top is unanimous all the time, has effectively improved welding efficiency.

The utility model is further provided with: the bottom positioning support mechanism further comprises a third support plate and a fourth support plate which are parallel to each other and are vertically fixed on the mounting plate, the third support plate and the fourth support plate are respectively perpendicular to the first support plate and the second support plate, and two ends of the third support plate and the fourth support plate respectively penetrate through the first support plate and the second support plate and are fixedly connected with the first support plate and the second support plate.

Through adopting above-mentioned technical scheme, backup pad three and backup pad four are used for further supporting backup pad one and backup pad two for backup pad one and backup pad two can carry out stable support and location to the battery package support, simultaneously, utilize backup pad three and backup pad four to connect backup pad one and backup pad two back, make whole bottom location supporting mechanism form a whole, have further improved whole bottom location supporting mechanism's stability, make welding quality better, welding precision is higher.

The utility model is further provided with: the top positioning support mechanism comprises a support plate five and a support plate six which are used for supporting the top of the battery pack support, the support plate five and the support plate six are parallel to each other and are vertically fixed on the mounting plate, one ends of the support plate five and the support plate six, which are close to the first connecting portion in the battery pack support, are respectively provided with a support surface three used for supporting the top surface of the first connecting portion in the battery pack support, which is used for supporting the top surface of the fixed section connected with the battery pack, one ends of the support surface three, which are close to the second connecting portion, are provided with a support surface four used for supporting the bending section of the first connecting portion, which is used for supporting the battery pack, the top of the support plate five and the support plate six are close to the second connecting portion in the battery pack support, the support surface five is used for supporting the tail end of the bending section of the battery pack, which is used for fixing the second connecting portion in the battery pack support, and the support surface six is used for supporting the L-shaped connecting frame in the battery pack support, and the support surface three and the support surface four are intersected, and the support surface five and the support surface six are intersected.

By adopting the technical proposal, the support plate five and the support plate six respectively support the fixing section of the connecting part I in the battery pack bracket and the bending section of the connecting part I for supporting the battery pack through the support surface three and the support surface four respectively, the support plate five and the support plate six respectively support the tail end of the bending section of the connecting part II in the battery pack bracket for supporting the battery pack through the support surface five and the support surface six and the surface of the L-shaped connecting frame in the battery pack bracket for fixing the connecting part II, so that the welding position points under the battery pack support are completely exposed to the welding area of the robot welding device, because the third supporting surface is intersected with the fourth supporting surface, the fifth supporting surface is intersected with the sixth supporting surface, the third supporting surface is intersected with the fourth supporting surface, the fifth supporting surface and the sixth supporting surface respectively form two V-shaped limit grooves, therefore, the fixing section of the first connecting part for connecting with the battery pack, the bending section of the first connecting part for supporting the battery pack, the tail end of the bending section of the second connecting part for supporting the battery pack in the battery pack bracket and the surface of the L-shaped connecting frame for fixing the second connecting part in the battery pack bracket are respectively clamped in two V-shaped limit grooves formed by the third supporting surface, the fourth supporting surface and the fifth supporting surface and the sixth supporting surface, so that in the welding process of the first connecting part, the top of the sliding table does not slide along the third supporting surface, the fourth supporting surface, the fifth supporting surface and the sixth supporting surface, so the sliding table has better stability, the V-shaped limit groove formed by the third supporting surface, the fourth supporting surface, the fifth supporting surface and the sixth supporting surface has a positioning function, in the continuous batch welding process, the welding position of the top of each battery pack bracket can be ensured to be consistent all the time, and the welding efficiency is effectively improved.

The utility model is further provided with: the third supporting surface and the sixth supporting surface are perpendicular to each other.

Through adopting above-mentioned technical scheme, because connecting portion one and connecting portion two are 90 each other, connecting portion one is arranged in the fixed section of being connected with the battery package and the face mutually perpendicular that L shape link was arranged in the battery package support in the connecting portion two, and supporting surface three and supporting surface six are arranged in respectively and support connecting portion one and are arranged in the face that L shape link was arranged in the fixed connecting portion two in the battery package support of the fixed section of being connected with the battery package and the battery package support, consequently supporting surface three and supporting surface six mutually perpendicular can guarantee that supporting surface three and supporting surface six are arranged in being used for respectively to connecting portion one and be arranged in the face perfect laminating of fixed connecting portion two with the fixed section of being connected with the battery package and the L shape link in the battery package support, effectively improved the supporting effect of backup pad five and backup pad six, thereby effectively guaranteed welding precision.

The utility model is further provided with: the top positioning support mechanism further comprises a support plate seven and a support plate eight which are parallel to each other and are vertically fixed on the mounting plate, the support plate seven and the support plate eight are respectively perpendicular to the support plate five and the support plate six, and two ends of the support plate seven and the support plate eight respectively penetrate through the support plate five and the support plate six and are fixedly connected with the support plate five and the support plate six.

Through adopting above-mentioned technical scheme, backup pad seven and backup pad eight are used for further supporting backup pad five and backup pad six for backup pad five and backup pad six can carry out stable support and location to the battery package support, simultaneously, utilize backup pad seven and backup pad eight to connect backup pad five and backup pad six back, make whole top location supporting mechanism form a whole, have further improved whole top location supporting mechanism's stability, make welding quality better, welding precision is higher.

The beneficial effects of the utility model are as follows:

1. According to the utility model, the positions of the welding robot and the welding tool can be fixed by using the mounting holes arranged on the workbench, and then the top and the bottom of the battery pack bracket assembly body are respectively and quickly positioned and supported by using the bottom positioning support mechanism and the top positioning support mechanism in the welding tool, so that each welding position point in the top and the bottom of the battery pack bracket is always stable in the welding process, the welding efficiency is high, the welding precision is high, the error is small, the mounting plate can be used for realizing the integral mounting and dismounting of the welding tool, so that the welding tool can be suitable for the fixed mounting of the welding tools of different types, the welding operation of the battery pack bracket of different sizes can be realized by replacing the welding tools of different types, and the universality of the device is greatly improved.

2. According to the utility model, the first supporting plate and the second supporting plate in the bottom positioning supporting mechanism respectively support the bottom surface of the fixing section and the bottom of the second connecting part in the battery pack bracket through the first supporting surface and the second supporting surface, so that the welding position point above the battery pack bracket is completely exposed in the welding area of the robot welding equipment, the lower end of the first connecting part in the battery pack bracket is limited through the limiting groove, and the bottom of the first connecting part cannot slide along the first supporting surface and the second supporting surface in the welding process, so that the stability is better, the limiting groove also has a positioning effect, and in the continuous batch welding process, the welding position of the top of each battery pack bracket can be ensured to be consistent all the time, and the welding efficiency is effectively improved.

3. According to the utility model, the bottom positioning support mechanism further supports the first support plate and the second support plate through the third support plate and the fourth support plate, so that the first support plate and the second support plate can stably support and position the battery pack support, and meanwhile, after the first support plate and the second support plate are connected by the third support plate and the fourth support plate, the whole bottom positioning support mechanism is formed into a whole, so that the stability of the whole bottom positioning support mechanism is further improved, the welding quality is better, and the welding precision is higher.

4. The utility model provides a bottom positioning support mechanism, which comprises a support plate five and a support plate six which respectively support a fixing section for connecting with a battery pack at a connecting part I in a battery pack support and a bending section for supporting the battery pack at a connecting part I in the battery pack support through a support surface three and a support surface four, wherein the support plate five and the support plate six respectively support the end of the bending section for supporting the battery pack at the connecting part II in the battery pack support and the surface of an L-shaped connecting frame for fixing the connecting part two in the battery pack support through the support surface five and the support surface six, so that a welding position point below the battery pack support is completely exposed in a welding area of a robot welding device, the support surface three is intersected with the support surface four, the support surface five is intersected with the support surface six, and the support surface five and the support surface six respectively form two V-shaped limiting grooves, therefore, the fixing section of the first connecting part for connecting with the battery pack, the bending section of the first connecting part for supporting the battery pack, the tail end of the bending section of the second connecting part for supporting the battery pack and the surface of the L-shaped connecting frame for fixing the second connecting part are respectively clamped in two V-shaped limiting grooves formed by the third supporting surface, the fourth supporting surface and the fifth supporting surface, so that the top of the first connecting part cannot slide along the third supporting surface, the fourth supporting surface and the fifth supporting surface and the sixth supporting surface in the welding process, the stability is better, the V-shaped limiting grooves formed by the third supporting surface, the fourth supporting surface and the fifth supporting surface and the sixth supporting surface also have a positioning function, and the welding position of the top of each battery pack bracket can be ensured to be consistent all the time in the continuous batch welding process, and the welding efficiency is effectively improved.

5. In the utility model, the first connecting part and the second connecting part are mutually 90 degrees, namely the first connecting part is used for being connected with the battery pack, the fixing section of the first connecting part is used for being connected with the battery pack, the surface of the L-shaped connecting frame in the battery pack support is used for fixing the second connecting part is mutually perpendicular, and the third supporting surface and the sixth supporting surface are respectively used for supporting the fixing section of the first connecting part used for being connected with the battery pack and the surface of the L-shaped connecting frame in the battery pack support, which is used for fixing the second connecting part, so that the third supporting surface and the sixth supporting surface are mutually perpendicular, the third supporting surface and the sixth supporting surface can be ensured to be respectively used for perfectly attached to the fixing section of the first connecting part used for being connected with the battery pack and the surface of the L-shaped connecting frame in the battery pack support, the supporting effect of the fifth supporting plate and the sixth supporting plate is effectively improved, and the welding precision is effectively ensured.

6. According to the utility model, the top positioning support mechanism further supports the support plate five and the support plate six through the support plate seven and the support plate eight, so that the support plate five and the support plate six can stably support and position the battery pack support, meanwhile, after the support plate seven and the support plate eight are used for connecting the support plate five and the support plate six, the whole top positioning support mechanism forms a whole, the stability of the whole top positioning support mechanism is further improved, the welding quality is better, and the welding precision is higher.

Drawings

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

Fig. 1 is a schematic diagram of the whole structure of a welding fixture for a new energy battery pack bracket.

Fig. 2 is a schematic structural view of a bottom positioning support mechanism and a top positioning support mechanism in the welding fixture of the new energy battery pack bracket, which are connected with a mounting plate.

Fig. 3 is an enlarged partial schematic view of fig. 2 a.

Fig. 4 is an enlarged partial schematic view of B in fig. 2.

Fig. 5 is a schematic diagram of a state of the welding tool for welding the new energy battery pack bracket when the top of the battery pack bracket is upward.

Fig. 6 is a schematic diagram of a state of the welding tool for welding the new energy battery pack bracket when the bottom of the battery pack bracket is upward.

Fig. 7 is a schematic cross-sectional view of a bottom positioning support mechanism in a welding fixture for a new energy battery pack support for positioning and supporting the battery pack support.

Fig. 8 is a schematic cross-sectional view of a top positioning support mechanism in a welding fixture for a new energy battery pack support for positioning and supporting the battery pack support.

In the figure, 10, a workbench; 20. welding a tool; 30. a mounting hole; 40. a battery pack holder; 401. a first connecting part; 402. a connection part; 403. an L-shaped connecting frame; 404. a fixed section; 405. a bending section; 50. a bottom positioning support mechanism; 501. a first supporting plate; 502. a second supporting plate; 503. a first supporting surface; 504. a limit groove; 505. a second supporting surface; 506. a third supporting plate; 507. a support plate IV; 60. a top positioning support mechanism; 601. a fifth supporting plate; 602. a sixth support plate; 603. a third supporting surface; 604. a supporting surface IV; 605. a fifth supporting surface; 606. a support surface six; 607. a support plate seven; 608. a support plate eight; 70. and (3) mounting a plate.

Detailed Description

The technical scheme of the present utility model will be clearly and completely described in connection with specific embodiments. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model.

The utility model provides a new forms of energy battery package support welding frock, includes workstation 10 that is used for fixed welding frock 20, the both sides of workstation 10 are equipped with the mounting hole 30 that is used for fixed welding robot and welding frock 20 respectively, welding frock 20 is including being used for carrying out the bottom location supporting mechanism 50 that location supported to battery package support 40 bottom and being used for carrying out the top location supporting mechanism 60 that location supported to battery package support 40 top, bottom location supporting mechanism 50 and top location supporting mechanism 60 all include a plurality ofly, and each bottom location supporting mechanism 50 and top location supporting mechanism 60 are all fixed on workstation 10 through mounting panel 70.

Further, the bottom positioning support mechanism 50 includes a first support plate 501 and a second support plate 502 for supporting the bottom of the battery pack support 40, the first support plate 501 and the second support plate 502 are parallel to each other and are vertically fixed on the mounting plate 70, one end of the top of the first support plate 501 and one end of the top of the second support plate 502, which is close to the first connecting portion 401 in the battery pack support 40, are respectively provided with a first support surface 503 for supporting the bottom surface of the fixing section 404, which is used for connecting with the battery pack, in the first connecting portion 401 in the battery pack support 40, and a second support surface 505 for supporting the bottom of the second connecting portion 402 in the battery pack support 40, where the first support surface 503 is communicated with the second support surface 504, and one end of the top of the first support plate 501 and the second support plate 502, which is close to the second connecting portion 402 in the battery pack support 40, is respectively provided with a second support surface 505 for supporting the bottom of the second connecting portion 402 in the battery pack support 40.

Further, the bottom positioning support mechanism 50 further includes a third support plate 506 and a fourth support plate 507, which are parallel to each other and are vertically fixed on the mounting plate 70, the third support plate 506 and the fourth support plate 507 are respectively perpendicular to the first support plate 501 and the second support plate 502, and two ends of the third support plate 506 and the fourth support plate 507 respectively penetrate through the first support plate 501 and the second support plate 502 and are fixedly connected with the first support plate 501 and the second support plate 502.

Further, the top positioning support mechanism 60 includes a fifth support plate 601 and a sixth support plate 602 for supporting the top of the battery pack support 40, the fifth support plate 601 and the sixth support plate 602 are parallel to each other and are vertically fixed on the mounting plate 70, one end of the top of the fifth support plate 601 and the sixth support plate 602, which is close to the first connection portion 401 in the battery pack support 40, is respectively provided with a third support surface 603 for supporting the top surface of the fixed section 404 of the first connection portion 401 in the battery pack support 40, one end of the third support surface 603, which is close to the second connection portion 402, is provided with a fourth support surface 604 for supporting the bent section 405 of the first connection portion 401 for supporting the battery pack, one end of the top of the fifth support plate 601 and the sixth support plate 602, which is close to the second connection portion 402 in the battery pack support 40, is provided with a fifth support surface 605 for supporting the end of the bent section 405 of the battery pack, which is used for fixing the second connection portion 402 in the battery pack support 40, and a sixth support surface 606 for supporting the surface of the L-shaped connection portion 403 in the battery pack support 40, the third support surface 603 and the fourth support surface 604 are intersected, and the fifth support surface 605 are intersected.

Further, the third supporting surface 603 and the sixth supporting surface 606 are perpendicular to each other.

Further, the top positioning support mechanism 60 further includes a seventh support plate 607 and an eighth support plate 608 that are parallel to each other and are vertically fixed on the mounting plate 70, the seventh support plate 607 and the eighth support plate 608 are respectively perpendicular to the fifth support plate 601 and the sixth support plate 602, and two ends of the seventh support plate 607 and the eighth support plate 608 respectively penetrate through the fifth support plate 601 and the sixth support plate 602 and are fixedly connected with the fifth support plate 601 and the sixth support plate 602.

The working principle of the utility model is as follows: firstly, parts (comprising a first connecting part 401, a second connecting part 402 and an L-shaped connecting frame 403) to be welded in the battery pack support 40 are assembled in sequence, namely, the first connecting part 401 and the second connecting part 402 are respectively fixed at two ends of the L-shaped connecting frame 403 through bolts, then the assembled battery pack support 40 is placed on a bottom positioning support mechanism 50 to be positioned, so that the welding position point above the battery pack support 40 is completely exposed in the welding area of a robot welding device, then the robot welding device is started, the welding position point above the battery pack support 40 is started to be welded, the first connecting part 401, the second connecting part 402 and the upper part of the L-shaped connecting frame 403 are welded and fixed, after the welding is finished, the first connecting part 401, the second connecting part 402 and the upper part of the L-shaped connecting frame 403 are placed on a top positioning support mechanism 60 to be positioned, the welding position point below the battery pack support 40 is completely exposed in the welding area of the robot welding device, then the robot welding device is started, the welding position point below the battery pack support 40 is completely started, the first connecting part 401, the second connecting part 402 and the lower part of the L-shaped connecting frame 403 are welded, the whole battery pack support 40 is welded, and the welding frame 40 is not completely, and the welding frame is finished, and the welding frame is not has high accuracy, and the welding frame is finished, and the welding frame is only has a high accuracy.

Claims (6)

1. New forms of energy battery package support welding frock, its characterized in that: including workstation (10) that are used for fixed welding frock (20), the both sides of workstation (10) are equipped with mounting hole (30) that are used for fixed welding robot and welding frock (20) respectively, welding frock (20) are including being used for carrying out bottom location supporting mechanism (50) and top location supporting mechanism (60) that are used for carrying out location supporting to battery package support (40) top to battery package support (40) bottom location supporting mechanism (50) and top location supporting mechanism (60) all include a plurality ofly, and each bottom location supporting mechanism (50) and top location supporting mechanism (60) are all fixed on workstation (10) through mounting panel (70).

2. The welding fixture for the new energy battery pack bracket according to claim 1, wherein: the bottom positioning support mechanism (50) comprises a first support plate (501) and a second support plate (502) which are used for supporting the bottom of the battery pack support (40), the first support plate (501) and the second support plate (502) are mutually parallel and vertically fixed on the mounting plate (70), one end, close to a first connecting portion (401) in the battery pack support (40), of the top of the first support plate (501) and the second support plate (502) is respectively provided with a first support surface (503) used for supporting the bottom surface of a fixed section (404) used for being connected with a battery pack in the first connecting portion (401) of the battery pack support (40) and a second limit groove (504) used for limiting the lower end of the first connecting portion (401) in the battery pack support (40), the first support surface (503) is communicated with the limit groove (504), and one ends, close to the second connecting portion (402) of the top of the first support plate (501) and the second support plate (502), of the top of the second support plate (502) are respectively provided with a second support surface (505) used for supporting the bottom of the second connecting portion (402) in the battery pack support (40).

3. The welding fixture for the new energy battery pack bracket according to claim 2, wherein: the bottom positioning support mechanism (50) further comprises a third support plate (506) and a fourth support plate (507) which are parallel to each other and are vertically fixed on the mounting plate (70), the third support plate (506) and the fourth support plate (507) are respectively perpendicular to the first support plate (501) and the second support plate (502), and two ends of the third support plate (506) and the fourth support plate (507) respectively penetrate through the first support plate (501) and the second support plate (502) and are fixedly connected with the first support plate (501) and the second support plate (502).

4. The welding fixture for the new energy battery pack bracket according to claim 1, wherein: the top positioning and supporting mechanism (60) comprises a support plate five (601) and a support plate six (602) for supporting the top of the battery pack bracket (40), the support plate five (601) and the support plate six (602) are mutually parallel and vertically fixed on the mounting plate (70), one end of the top of the support plate five (601) and the support plate six (602) close to a connecting part one (401) in the battery pack bracket (40) is respectively provided with a support surface three (603) for supporting the top surface of a fixing section (404) of the connecting part one (401) in the battery pack bracket (40) for connecting with a battery pack, one end of the support surface three (603) close to the connecting part two (402) is provided with a support surface four (604) for supporting the bending section (405) of the connecting part one (401) for supporting the battery pack, one end of the connecting part two (402) in the battery pack bracket (40) is close to the top of the support plate five (601) and one end of the support plate six (602) is provided with a support surface five (605) for supporting the end of the connecting part one (405) of the battery pack bracket for supporting the battery pack, the support surface three (403) is intersected with the support surface four (403) for connecting part one (402) of the connecting part two (402) in the battery pack bracket, the fifth supporting surface (605) is intersected with the sixth supporting surface (606).

5. The welding fixture for the new energy battery pack bracket according to claim 4, wherein: the third supporting surface (603) and the sixth supporting surface (606) are perpendicular to each other.

6. The welding fixture for the new energy battery pack bracket according to claim 5, wherein: the top positioning support mechanism (60) further comprises a support plate seven (607) and a support plate eight (608) which are mutually parallel and vertically fixed on the mounting plate (70), the support plate seven (607) and the support plate eight (608) are respectively perpendicular to the support plate five (601) and the support plate six (602), and two ends of the support plate seven (607) and the support plate eight (608) respectively penetrate through the support plate five (601) and the support plate six (602) and are fixedly connected with the support plate five (601) and the support plate six (602).