CN222176297U

CN222176297U - A hydraulic welding tool for battery box

Info

Publication number: CN222176297U
Application number: CN202420863547.3U
Authority: CN
Inventors: 吕鑫钰; 孙良平
Original assignee: Ningbo Hongju Intelligent Equipment Co ltd
Current assignee: Ningbo Hongju Intelligent Equipment Co ltd
Priority date: 2024-04-24
Filing date: 2024-04-24
Publication date: 2024-12-17
Anticipated expiration: 2034-04-24

Abstract

The utility model discloses a hydraulic welding tool for a battery box body, which comprises a support frame, wherein a fixed block I, an upper overturning cylinder I and an adjusting mechanism are fixed on the support frame, an upper compression block I is connected to a piston of each upper overturning cylinder I, the adjusting mechanism comprises an adjusting cylinder, two guide rails, a sliding plate, an inner side compression block, an upper overturning cylinder II and an upper compression cylinder II, the upper overturning cylinder II and the inner side compression block are arranged on the sliding plate, a clamping cylinder II is further arranged on the sliding plate, an outer side compression block which is arranged opposite to the inner side compression block is connected to a piston of the clamping cylinder II, the upper compression block II is connected to a piston of the upper overturning cylinder II, the adjusting cylinder and two guide rails are arranged on the support frame, the sliding plate is connected between the two guide rails, the piston of the adjusting cylinder is connected with the sliding plate, and an upper buckle II is connected to a piston of each upper compression cylinder II. The structure can carry out compatible clamping use on battery boxes with different lengths.

Description

Hydraulic welding tool for battery box body

Technical Field

The utility model belongs to the technical field of friction stir welding equipment, and particularly relates to a hydraulic welding tool for a battery box body.

Background

The friction stir welding equipment is widely applied to the manufacture of aluminum alloy of carriages, wall plates and bottom plates in rail transit, the welding of automobile main doors, electric car battery boxes, warning covers and automobile body plates, the welding of ship ladders, side plates and floors in ships and the welding of copper pipe seals. The welding equipment has the advantages that materials are not melted during welding, defects such as air holes, slag inclusion and cracks are not generated, shielding gas and filling materials are not needed in the welding process, residual deformation after welding is small, residual stress is low, the joint is a fine-grain forging structure, mechanical properties are excellent, and pollution such as arc light, noise and rays is avoided.

As shown in figure 1, the manner of welding the battery box body by the friction stir welding equipment is mainly that a battery frame 9 and a bottom plate 10 are sequentially placed on a clamping tool of the friction stir welding equipment from top to bottom, then the welding equipment on the friction stir welding equipment is utilized for welding, and an effective clamping force is required due to huge heating and deformation of the welding mode of the equipment, for example, patent number 202022037340.5, a circular seam welding tool for the battery box bottom plate comprises a supporting frame, a plurality of rotary clamping cylinders, a plurality of positioning cylinders and a plurality of first fixing blocks, the bottom plate of the battery box bottom plate is placed on the top surface of the supporting frame and all frames are spliced around the bottom plate, the rotary clamping cylinders are arranged around the outer sides of all frames, the piston ends of the rotary clamping cylinders are transversely connected with a pressing rod, the outer ends of the pressing rod are vertically fixedly provided with a pressing head, the pressing head is pressed at a joint of the frames and the bottom plate, a first fixing cylinder or a first fixing block is fixedly arranged between two adjacent rotary clamping cylinders, and the position of the first fixing block is opposite to the positioning cylinder. The utility model presses the point to be welded of the battery box chassis through a plurality of pressure heads, but the structure has the following problems:

because the position of each rotary clamping cylinder is fixed, once each rotary clamping cylinder is installed, only one size of battery box body can be clamped, but for the battery box body, some battery box bodies only change in length and do not change in width, and corresponding clamping tools are required to be rewritten, so that the processing cost of equipment is definitely increased, and the structure cannot realize general compatibility of products, and therefore improvement is required.

Disclosure of utility model

The utility model aims to provide a hydraulic welding tool for a battery box body, which solves the problem that the existing welding tool cannot be used for compatibly clamping battery box bodies with different lengths.

The utility model discloses a hydraulic welding tool for a battery box body, which comprises a supporting frame, wherein a plurality of first fixing blocks, a plurality of first upper overturning cylinders and an adjusting mechanism are fixed on the supporting frame, the first upper overturning cylinders are installed on the left side, the rear side and the front side of the upper surface of the supporting frame at intervals, an upper compression block for compressing the left side, the front side and the rear side of a bottom plate on the upper side of a battery frame is connected to a piston of each first upper overturning cylinder, when a welding machine passes through the welding point, the upper compression block is outwards overturned far away from the bottom plate, the first fixing blocks are installed on the left side, the front side and the rear side of the upper surface of the supporting frame at even intervals, the adjusting mechanism comprises an adjusting cylinder, two guide rails, a sliding plate, two inner compression blocks, two upper overturning cylinders and a plurality of second upper compression cylinders, the inner side compression blocks are used for propping against the inner walls of the right side of the battery frame, the second upper compression cylinders and the inner compression blocks are arranged on the sliding plate, the first upper compression blocks are further arranged on the sliding plate, the first upper compression blocks are connected to the two compression blocks are connected to the piston of the two compression blocks, the second compression blocks are connected to the piston of the two compression blocks are arranged on the upper compression blocks, and the two compression blocks are connected to the piston of the upper compression blocks, and the piston is connected to the piston.

Preferably, in order to improve the fixing and clamping effect on the frame, a plurality of upper pressing oil cylinders I and a plurality of groups of side pressing components I are further fixed on the support frame, the plurality of upper pressing oil cylinders I are arranged around the battery frame at intervals, an upper buckle I fastened on the battery frame is connected to a piston of each upper pressing oil cylinder I, and the plurality of groups of side pressing components I are uniformly arranged on the left side, the front side and the rear side of the upper surface of the support frame at intervals and used for pressing the periphery of the battery frame.

Preferably, for convenient operation, each group of side compression assemblies I comprises a side compression block I, a side compression block II which is arranged opposite to the side compression block I, and a clamping cylinder I, wherein the piston of the clamping cylinder I is connected with the side compression block I, and the side compression block I which is arranged opposite to the side compression block II is matched with the side compression block II to clamp the inside and the outside of the side wall of the battery frame.

Preferably, the two guide rails are arranged in parallel, the bottom of the sliding plate is fixedly provided with a sliding block, and the sliding block is connected to one guide rail in a sliding way.

Preferably, for supporting and guiding purposes, two parallel guide frames are further arranged on the supporting frame, more than one guide roller is rotatably connected to each guide frame, the rotation direction of each guide roller is consistent with the movement direction of the sliding block, and the sliding block frame is placed on the guide roller and can move on the guide roller along with the movement of the sliding block.

In order to facilitate installation, the bottom of each fixed block I is fixedly connected with the support frame through a locating support, the bottom of each upper pressing oil cylinder I is fixedly connected with the support frame through a cylinder support I, and the side edge of each upper overturning cylinder II is fixed on the sliding plate through a cylinder support II.

In order to realize primary positioning effect, two positioning cylinders are arranged on the front side and the rear side of the support frame, the two positioning cylinders are oppositely arranged, a positioning rod is connected to a piston of each positioning cylinder, and the positioning rod is movably inserted into a positioning through hole on the side edge of the battery frame.

The structure has the beneficial effects that the clamping caliber of the battery frame is changed by adding the adjustable adjusting mechanism on one side of the supporting frame, so that the compatible clamping operation of the battery boxes with different lengths can be finally realized, the later welding work is convenient, the different welding clamping works are not required to be arranged according to the battery boxes, and the processing cost of the equipment is further reduced.

Drawings

Fig. 1 is a schematic diagram of a welding process of a battery case in the prior art in embodiment 1;

Fig. 2 is a schematic view of the structure of a battery case according to embodiment 1, in which a battery frame is mounted on a hydraulic welding tool;

fig. 3 is a schematic structural diagram of a hydraulic welding tool for a battery case in embodiment 1;

fig. 4 is a schematic diagram of a connection structure between the first upper pressing cylinder and the first upper buckle in embodiment 1;

FIG. 5 is a schematic diagram of a side compression assembly I in embodiment 1;

FIG. 6 is a schematic diagram showing a connection structure between the first fixing block and the positioning bracket in embodiment 1;

Fig. 7 is a schematic diagram of a connection structure between a positioning cylinder and a positioning rod in embodiment 1;

Fig. 8 is a schematic diagram of a connection structure between the upper overturning cylinder one and the upper pressing block one in embodiment 1;

Fig. 9 is a schematic structural view of an adjusting mechanism in embodiment 1;

FIG. 10 is a schematic diagram showing the bottom structure of the adjusting mechanism in the embodiment 1;

fig. 11 is a schematic view showing a structure in which a plurality of fixing blocks are mounted on a supporting frame in a ring shape in embodiment 1.

The device comprises a support frame 1, a positioning cylinder 101, a positioning rod 102, a cylinder seat four 103, an upper compression cylinder one 2, a cylinder support one 201, a cylinder support two 202, a fixed block one 3, a positioning support 301, a side compression assembly one 4, a side compression block one 4-1, a side compression block two 4-2, a connecting frame 4-21, a clamping cylinder one 4-3, a cylinder seat five 4-31, an upper overturning cylinder one 5, an adjusting mechanism 6, an adjusting cylinder 6-1, two guide rails 6-2, a sliding plate 6-3, an inner compression block 6-4, an upper overturning cylinder two 6-5, an upper compression cylinder two 6-6, a clamping cylinder two 6-7, an outer compression block 6-8, an upper compression block two 6-9, an upper buckle two 610, a sliding block 611, a guide frame 612, a guide roller 613, a fixed block two 614, an upper buckle one 7, an upper compression block one 8, a battery frame 9 and a bottom plate 10.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions in the embodiments of the present utility model will be clearly and completely described in the following in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art without inventive faculty, are intended to be within the scope of the present utility model, based on the embodiments of the present utility model.

Example 1

Referring to fig. 1-11, a hydraulic welding fixture for a battery box disclosed in this embodiment includes a support frame 1, a plurality of fixing blocks one 3, a plurality of upper overturning cylinders one 5 and an adjusting mechanism 6 are fixed on the support frame 1, the plurality of upper overturning cylinders one 5 are installed on the left side, the rear side and the front side of the upper surface of the support frame 1 at intervals, an upper pressing block one 8 for pressing the bottom plate 10 in a left side, a front side and a rear side of the battery frame 9 in three directions is connected to a piston of each upper overturning cylinder one 5, when a welding machine passes through the welding point, the upper pressing block one 8 is turned outwards away from the bottom plate 10, the plurality of fixing blocks one 3 are installed on the left side, the front side and the rear side of the upper surface of the support frame 1 at uniform intervals, as shown in fig. 11, in this embodiment, 8 fixing blocks one 3 are respectively arranged on the front side and the rear side of the support frame 1, 5 fixing blocks one 3 are arranged on the left side of the support frame 1, and an annular positioning frame is formed by matching with five fixing blocks two 614, and when the welding machine passes through the welding point, the welding machine is placed on the fixing blocks 9;

The adjusting mechanism 6 comprises an adjusting cylinder 6-1, two guide rails 6-2, a sliding plate 6-3, two inner side compression blocks 6-4, two upper overturning cylinders 6-5 and a plurality of upper compression cylinders 6-6, wherein the inner side compression blocks 6-4 are used for propping against the inner wall on the right side of a battery frame 9, the upper compression cylinders 6-6, the upper overturning cylinders 6-5 and the inner side compression blocks 6-4 are arranged on the sliding plate 6-3, a clamping cylinder 6-7 is further arranged on the sliding plate 6-3, an outer side compression block 6-8 which is oppositely arranged with one inner side compression block 6-4 is connected to a piston of the clamping cylinder 6-7, the piston of the upper overturning cylinder 6-5 is connected with an upper compression block 2-9 which compresses the right side of a bottom plate 10 above the battery frame 9, the adjusting cylinder 6-1 and the two guide rails 6-2 are arranged on the supporting frame 1, the sliding connection of the sliding plate 6-3 is arranged between the two guide rails 6-2, the adjusting cylinder 6-1 is fixedly connected with the two supporting frames 6-1 on the two side of the two sliding plates 6-1 through a clamping cylinder seat, and the two supporting frames 6-1 are fixedly connected with the two supporting frames 6-6 through the two clamping cylinders 6-6. In this example, two upper overturning cylinders one 5 are respectively arranged on the left side, the rear side and the front side of the upper surface of the support frame 1, and the inventor needs to explain that for convenience and clarity in viewing, only one upper overturning cylinder one 5 is arranged on the left side of the upper surface of the support frame 1 in fig. 2 and 3, the two overturning cylinders one 5 are removed at the rear side, and the front and rear overturning cylinders one 5 are symmetrically arranged at the later stage in use.

Preferably, in order to improve the fixing and clamping effect on the frame, a plurality of upper compression cylinders 1 and a plurality of groups of side compression assemblies 1 are also fixed on the support frame 1, the plurality of upper compression cylinders 2 are arranged around the battery frame 9 at intervals, an upper buckle 7 fastened on the battery frame 9 is connected to a piston of each upper compression cylinder 2, the plurality of groups of side compression assemblies 4 are uniformly arranged at intervals on the left side, the front side and the rear side of the upper surface of the support frame 1 and used for compressing the periphery of the battery frame 9, in the embodiment, each group of side compression assemblies 4 comprises a side compression block 4-1, a side compression block two 4-2 arranged opposite to the side compression block 4-1 and a clamping cylinder one 4-3, the side compression block one 4-1 is connected to a piston of the clamping cylinder one 4-3, the side pressing blocks I4-1 and the side pressing blocks II 4-2 which are oppositely arranged are matched for clamping the inside and outside of the side wall of the battery frame 9, and when the battery frame is installed, the side edge of the clamping cylinder I4-3 is fixed on the support frame 1 through the cylinder seat five 4-31, the side pressing blocks II 4-2 also need to be fixed on the support frame 1 through the connecting frame 4-21, and the battery frame 9 is spliced by four front, back, left and right cross beams, therefore, in the use process, the side pressing components I4 are respectively arranged on the front, back, left and right cross beams of the battery frame 9, each cross beam is provided with two groups of side pressing components I4 at intervals, the side pressing blocks II 4-2 are propped against one surface of the corresponding cross beam, the side pressing blocks I4-1 are propped against two surfaces of the corresponding cross beam, in order to facilitate the installation in the embodiment, the bottom of each fixing block I3 is fixedly connected with the support frame 1 through a positioning bracket 301, the bottom of each upper pressing cylinder I2 is fixedly connected with the support frame 1 through a cylinder support I201, the side edge of each upper overturning cylinder II 6-5 is fixed on the sliding plate 6-3 through a cylinder support II 202, meanwhile, in order to further play a role in positioning, five fixing blocks II 614 are arranged on the sliding plate 6-3 at intervals, the height of the upper surface of each fixing block II 614 is consistent with that of the upper surface of each fixing block I3, and the battery frame 9 is prevented from deflecting towards the right bottom and plays a role in positioning the right bottom of the battery frame 9.

Preferably, two guide rails 6-2 are arranged in parallel, and a sliding block 611 is fixed at the bottom of each sliding plate 6-3, the sliding blocks 611 are slidably connected to one guide rail 6-2, in this embodiment, two sliding blocks 611 are arranged on each guide rail 6-2, four sliding blocks 611 are distributed at the bottom of each sliding plate 6-3 in pairs, meanwhile, for supporting and guiding purposes, two guide frames 612 are arranged on the support frame 1 in parallel, more than one guide roller 613 is rotatably connected to each guide frame 612, the rotation direction of each guide roller 613 is consistent with the movement direction of each sliding block 611, and the sliding blocks 611 are placed on the guide rollers 613 and can move on the guide rollers 613 along with the movement of the sliding blocks 611.

In order to achieve primary positioning effect, two positioning cylinders 101 are arranged on the front side and the rear side of the support frame 1, the two positioning cylinders 101 are oppositely arranged, a piston of each positioning cylinder 101 is connected with a positioning rod 102, the positioning rods 102 are movably inserted into positioning through holes on the side edges of the battery frame 9, and in the embodiment, the positioning cylinders 101 are fixed on the support frame 1 through cylinder bases four 103.

The specific working principle of the structure is as follows: firstly, the battery frame 9 is placed on all the fixing blocks 3, in the placing process, the alignment of the positioning rod 102 and the positioning through holes on the side edges of the battery frame 9 is ensured, the positioning is realized, then, the plurality of groups of side pressing assemblies 4 are driven to work, each upper buckle 7 is rotated to clamp the battery frame 9 left, front and back (in the embodiment, in order to avoid the influence of the height of the side wall of the battery frame 9 in the rotating process, the upper buckle 7 cannot be clamped on the cross beam of the battery frame 9 in the rotating process, therefore, the connection of the upper buckle 7 and the piston rod of the corresponding upper pressing cylinder 2 adopts an elastic connection mode with adjustable upper and lower elasticity, so that how the elastic connection belongs to the conventional technology in the field is not described in detail, the same elastic connection is adopted between the upper buckle II 610 at the lower part and the upper compression cylinder II 6-6), and in the initial state, the upper buckle I7 is positioned at the side edge of the upper compression cylinder I2 when the upper compression cylinder I2 is not in working state, the installation of the battery frame 9 is not influenced, then the adjusting cylinder 6-1 is driven to work according to the length of the battery frame 9, the slide plate 6-3 is driven to move to the upper buckle II 610 at the upper part along the two guide rails 6-2, the right side of the battery frame 9 can be clamped, the inner side compression block 6-4 is ensured to be propped against the inner side wall of the battery frame 9 (in order to avoid the influence of the inner side compression block 6-4 on the installation of the battery frame 9, the adjusting cylinder 6-1 is required to be adjusted when the battery frame 9 is placed, the inner side compression block 6-4 is ensured to be positioned inside the battery frame 9), then the clamping cylinder II 6-7 is driven to work to drive the outer side compression block 6-8 to tightly cling to the right outer wall of the battery frame 9, the upper compression cylinder II 6-6 is driven to work to clamp the right cross beam of the battery frame 9 by the upper buckle II 610, at the moment, the upper bottom plate 10 is placed on the battery frame 9, the upper overturning cylinder II 6-5 and the upper overturning cylinder I5 are driven to work to drive the corresponding upper compression block I8 and the corresponding upper compression block II 6-9, the bottom plate 10 is tightly pressed on the battery frame 9 all around, the girth welding operation of later-stage welding equipment is facilitated, and when a welding machine passes through the welding point, the corresponding upper compression block I8 or the corresponding upper compression block II 6-9 is outwards overturned away from the bottom plate 10 to avoid influencing welding, so that the battery box bodies with different lengths can be compatible and clamped through the structure, the later-stage welding operation is facilitated, different welding clamping operations are not required to be set according to the battery box bodies, and the processing cost of the equipment is further reduced.

The foregoing is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, and any modification, equivalent replacement, and improvement of some of the technical features described in the foregoing embodiments are all within the scope of the present utility model.

Claims

1. A hydraulic welding tool for a battery box body comprises a supporting frame (1) and is characterized in that a plurality of first fixing blocks (3), a plurality of first upper overturning cylinders (5) and an adjusting mechanism (6) are fixed on the supporting frame (1), the plurality of first upper overturning cylinders (5) are installed on the left side, the rear side and the front side of the upper surface of the supporting frame (1) at intervals, an upper pressing block I (8) for pressing a bottom plate (10) left, front and rear three sides on a battery frame (9) is connected to a piston of each first upper overturning cylinder (5), the plurality of first fixing blocks (3) are installed on the left side, the front side and the rear side of the upper surface of the supporting frame (1) at even intervals, the adjusting mechanism (6) comprises an adjusting cylinder (6-1), two guide rails (6-2), a sliding plate (6-3), two inner pressing blocks (6-4), two second upper overturning cylinders (6-5) and a plurality of second upper pressing cylinders (6-6), the inner pressing blocks (6-4) are used for pressing the battery frame (9) against the inner walls of the first upper pressing cylinders (6-4) and the second upper pressing cylinders (6-4) are arranged on the inner side of the sliding plate (6-3), the piston of the second clamping cylinder (6-7) is connected with an outer side compression block (6-8) which is oppositely arranged with one inner side compression block (6-4), the piston of the second upper overturning cylinder (6-5) is connected with an upper compression block (6-9) which compresses the right side of the bottom plate (10) above the battery frame (9), the adjusting cylinder (6-1) and the two guide rails (6-2) are arranged on the supporting frame (1), the sliding plate (6-3) is slidingly connected between the two guide rails (6-2), the piston of the adjusting cylinder (6-1) is connected with the sliding plate (6-3), and the piston of each upper compression cylinder (6-6) is connected with an upper buckle (610) which compresses the bottom plate (10) above the battery frame (9).

2. The hydraulic welding tool for the battery box body, which is characterized in that a plurality of upper pressing oil cylinders I (2) and a plurality of groups of side pressing assemblies I (4) are also fixed on the supporting frame (1), the plurality of upper pressing oil cylinders I (2) are arranged around the battery frame (9) at intervals, an upper buckle I (7) which is buckled on the battery frame (9) is connected to a piston of each upper pressing oil cylinder I (2), and the plurality of groups of side pressing assemblies I (4) are uniformly arranged at the left side, the front side and the rear side of the upper surface of the supporting frame (1) at intervals and used for pressing the periphery.

3. The hydraulic welding tool for the battery box body according to claim 2, wherein each group of side compression assemblies I (4) comprises side compression blocks I (4-1), side compression blocks II (4-2) which are arranged opposite to the side compression blocks I (4-1) and clamping cylinders I (4-3), the side compression blocks I (4-1) are connected to pistons of the clamping cylinders I (4-3), and the side compression blocks I (4-1) which are arranged opposite to the side compression blocks II (4-2) are matched to clamp the inner side and the outer side of the side wall of the battery frame (9).

4. A hydraulic welding fixture for battery cases according to claim 1, 2 or 3, characterized in that two guide rails (6-2) are arranged in parallel, and a slide block (611) is fixed at the bottom of the slide plate (6-3), and the slide block (611) is slidingly connected to one guide rail (6-2).

5. A hydraulic welding fixture for battery cases according to claim 1, 2 or 3 is characterized in that two parallel guide frames (612) are further arranged on the support frame (1), more than one guide roller (613) is rotatably connected to each guide frame (612), the rotation direction of the guide roller (613) is consistent with the movement direction of the sliding block (611), and the sliding block (611) frame is placed on the guide roller (613) and can move on the guide roller (613) along with the movement of the sliding block (611).

6. A hydraulic welding fixture for battery boxes according to claim 2 or 3 is characterized in that the bottom of each first fixing block (3) is fixedly connected with a supporting frame (1) through a locating bracket (301), the bottom of each first upper pressing cylinder (2) is fixedly connected with the supporting frame (1) through a first cylinder support (201), and the side edge of each second upper overturning cylinder (6-5) is fixed on the sliding plate (6-3) through a second cylinder support (202).

7. The hydraulic welding fixture for the battery box body, as set forth in claim 1, 2 or 3, is characterized in that two positioning cylinders (101) are arranged on the front side and the rear side of the supporting frame (1), the two positioning cylinders (101) are oppositely arranged, a positioning rod (102) is connected to a piston of each positioning cylinder (101), and the positioning rod (102) is movably inserted into a positioning through hole on the side edge of the battery frame (9).