CN219093957U

CN219093957U - Clamp for friction stir welding of cooling water channel of lower box body of battery box of new energy automobile

Info

Publication number: CN219093957U
Application number: CN202223329506.6U
Authority: CN
Inventors: 季陆; 徐祝军; 单志慧
Original assignee: Hongbang Die Casting Nantong Co ltd
Current assignee: Hongbang Die Casting Nantong Co ltd
Priority date: 2022-12-13
Filing date: 2022-12-13
Publication date: 2023-05-30
Anticipated expiration: 2032-12-13

Abstract

The utility model relates to a clamp for friction stir welding of a cooling water channel of a lower box body of a battery box of a new energy automobile, which comprises a machine tool workbench, wherein slide rail mounting plates are arranged on two side edges of the machine tool workbench, slide rails are arranged on the slide rail mounting plates, cylinder mounting plates are arranged on the two slide rails, the ends of the two cylinder mounting plates are connected through a transverse bar, the outer ends of the transverse bar are connected with a pull rod of a stretching cylinder, a plurality of lifting cylinders are arranged on each cylinder mounting plate, a pressing bar is connected between every two corresponding lifting cylinders, a bottom plate is arranged on the middle part of the machine tool workbench, and a plurality of follow-up opening and closing cylinders are arranged on the periphery of the bottom plate. The pressing strips are adopted to press the products through the transfer mechanism, so that inconsistent welding depth caused by product deformation during welding is prevented; after the middle welding line is welded, the pressing bar leaves the product through the transfer mechanism; and when welding the peripheral weld joints, the compression cylinders are divided into four groups and compressed in a follow-up manner, so that a group of cylinders always compress products during welding, and the welding depth is kept consistent.

Description

Clamp for friction stir welding of cooling water channel of lower box body of battery box of new energy automobile

Technical Field

The utility model relates to the field of new energy automobile processing, in particular to a clamp for friction stir welding of a cooling water channel of a lower box body of a battery box of a new energy automobile.

Background

The lower box body (namely the battery tray) of the battery box bears the mass of the whole battery pack and the mass of the battery pack, resists external impact, protects the battery module and the battery cell, and is an important safety structural member of the whole battery pack. The cooling water channel in the lower box body plays a role in cooling the battery and prevents the battery from being overheated and exploding. The cooling water channel is realized by friction stir welding of the cover plate and the box body.

The binding force of the cover plate and the box body influences the bearing capacity and the sealing performance of the cooling water channel; and the magnitude of the bonding force depends on the consistency of the welding depth.

The traditional friction stir welding clamp adopts a structure that a pressing plate is pressed between welding seams and the pressing plate is opened and closed in a follow-up way during welding. Although welding can be completed, the product cannot be prevented from being extruded by the stirring head during welding, local plastic deformation is generated, and the welding depth is inconsistent, so that the pressure bearing capacity and the sealing performance of the cooling water channel are affected, water leakage of the cooling water channel is caused, and the cooling effect is affected.

Disclosure of Invention

The utility model aims to overcome the defects and provide a clamp for friction stir welding of a cooling water channel of a lower box body of a battery box of a new energy automobile.

The aim of the utility model is achieved by the following technical scheme: the utility model provides a new energy automobile battery box lower box cooling water course friction stir welding's anchor clamps, including the lathe workstation, the both sides edge of lathe workstation is equipped with the slide rail mounting panel, be equipped with the slide rail on the slide rail mounting panel, all be equipped with the cylinder mounting panel on two slide rails, connect through the horizontal bar between the end of two cylinder mounting panels, the outer end of horizontal bar is connected with stretching cylinder's pull rod, all be equipped with a plurality of lift cylinders on every cylinder mounting panel, be connected with the layering between corresponding every two lift cylinders, be equipped with the bottom plate on the middle part of lathe workstation, the periphery of bottom plate is equipped with a plurality of follow-up switching cylinders.

The utility model further improves that: a connecting plate is arranged between the end head of the cylinder mounting plate and the transverse bar, and the shape of the connecting plate is triangle.

The utility model further improves that: the stretching cylinder is fixed with the machine tool workbench through a cylinder mounting strip.

The utility model further improves that: be equipped with the control box on the lathe workstation, control box control stretching cylinder, lift cylinder and follow-up switching cylinder, and all pipelines and signal lines all install in the tank chain, and the side at the lathe workstation is fixed to the tank chain.

Compared with the prior art, the utility model has the following advantages:

the pressing strips are adopted to press the products through the transfer mechanism, so that inconsistent welding depth caused by product deformation during welding is prevented; after the middle welding line is welded, the pressing bar leaves the product through the transfer mechanism; and when welding the peripheral weld joints, the compression cylinders are divided into four groups and compressed in a follow-up manner, so that a group of cylinders always compress products during welding, and the welding depth is kept consistent.

Description of the drawings:

FIG. 1 is a schematic view of the structure of the present utility model, wherein the pressing bar is in a pressed state;

FIG. 2 is a schematic view of the press bar of FIG. 1 in a retracted state;

reference numerals: 1-bottom plate, 2-machine tool workbench, 3-cylinder mounting bar, 4-slide rail mounting plate, 5-stretching cylinder, 6-pull rod, 7-horizontal bar, 8-connecting plate, 9-cylinder mounting plate, 10-lifting cylinder, 11-slide rail, 12-layering, 13-tank chain, 14-follow-up opening and closing cylinder, 15-control box and 16-product.

The specific embodiment is as follows:

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 below, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. Elements and features described in one embodiment of the utility model may be combined with elements and features shown in one or more other embodiments. It should be noted that the illustration and description of components and processes known to those of ordinary skill in the art, which are not relevant to the present utility model, have been omitted for clarity. All other embodiments, which can be made by a person skilled in the art based on the embodiments of the utility model without any inventive effort, are intended to fall within the scope of the utility model.

Fig. 1 and 2 show an embodiment of a clamp for friction stir welding of a cooling water channel of a lower box body of a battery box of a new energy automobile, which comprises a machine tool workbench 2, wherein slide rail mounting plates 4 are arranged on two side edges of the machine tool workbench 2, slide rails 11 are arranged on the slide rail mounting plates 4, cylinder mounting plates 9 are arranged on the two slide rails 11, the ends of the two cylinder mounting plates 9 are connected through a transverse bar 7, a connecting plate 8 is arranged between the end of the cylinder mounting plate 9 and the transverse bar 7, and the connecting plate 8 is triangular in shape and stable in structure.

The outer end of the horizontal bar 7 is connected with a pull rod 6 of a stretching cylinder 5, and the stretching cylinder 5 is fixed with the machine tool workbench 2 through a cylinder mounting bar 3. The stretching cylinder 5 can drive the whole pressing bar assembly to move.

Each cylinder mounting plate 9 is provided with a plurality of lifting cylinders 10, and a pressing bar 12 is connected between every two corresponding lifting cylinders 10, namely, two ends of the pressing bar 12 are respectively fixed on the corresponding lifting cylinders 10, and the pressing bar 12 can move up and down through the lifting cylinders 10.

The middle part of the machine tool workbench 2 is provided with a bottom plate 1, the periphery of the bottom plate 1 is provided with a plurality of follow-up opening and closing air cylinders 14, a product is placed on the bottom plate 1, and the periphery of the product is clamped by the plurality of follow-up opening and closing air cylinders 14.

The machine tool workbench 2 is provided with a control box 15, each unit is controlled to act by adopting a PLC, one key is started, the control box 15 controls the stretching cylinder 5, the lifting cylinder 10 and the follow-up opening and closing cylinder 14, all pipelines and signal lines are arranged in the tank chain 13, and the tank chain 13 is fixed on the side face of the machine tool workbench 2. The automatic transfer mechanism can be used for compressing products, so that manpower is reduced, and efficiency and accuracy are improved.

The periphery of the product is clamped by a plurality of follow-up opening and closing cylinders 14, when the product is placed on the bottom plate 1, a start button is pressed, the periphery of the product is clamped by the plurality of follow-up opening and closing cylinders 14, the lifting cylinder 10 drives the pressing strip 12 to ascend, the stretching cylinder 5 drives the pressing strip 12 to move to the upper part of a workpiece, the lifting cylinder 10 drives the pressing strip 12 to descend to press the workpiece, the middle ribs are welded next, after the middle ribs are welded, the lifting cylinder 10 drives the pressing strip 12 to ascend, the stretching cylinder 5 drives the pressing strip 12 to move to one side of the workpiece, the lifting cylinder 10 drives the pressing strip 12 to descend, the peripheral welding seams are welded next, when the stirring head is welded along the periphery of the workpiece and needs to pass through the pressing plate of the follow-up opening and closing cylinders 14, the pressing plate of the follow-up opening and closing cylinders 14 is timely closed, a group of cylinders is always pressed on the product during welding, and the welding depth is kept consistent.

The special machining fixture is designed, so that consistency of welding depths is ensured; the friction stir welding clamp disclosed by the utility model has the advantages that the pressing bar presses the product through the transfer mechanism, and the inconsistent welding depth caused by product deformation during welding is prevented. And after the middle welding line is welded, the pressing bar leaves the product through the transfer mechanism. And when welding the peripheral weld joints, dividing the compression air cylinders into four groups, and carrying out follow-up compression, so that a group of air cylinders always compress products during welding, and the welding depth is kept consistent.

Finally, it should be noted that: although the present utility model and its advantages have been described in detail, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the utility model as defined by the appended claims. Furthermore, the scope of the present application is not intended to be limited to the particular embodiments of the process, machine, means, method and steps described in the specification. Those of ordinary skill in the art will readily appreciate from the disclosure of the present utility model, processes, machines, means, methods, or steps, presently existing or later to be developed that perform substantially the same function or achieve substantially the same result as the corresponding embodiments described herein may be utilized according to the present utility model. Accordingly, the appended claims are intended to include within their scope such processes, apparatuses, means, methods, or steps.

Claims

1. The utility model provides a new energy automobile battery case lower box cooling water course friction stir welding's anchor clamps, includes lathe workstation (2), its characterized in that: the utility model discloses a lathe workstation, including lathe workstation, slide mounting board (2), slide mounting board (4) are equipped with slide rail (11), all are equipped with cylinder mounting board (9) on two slide rails (11), connect through horizontal bar (7) between the end of two cylinder mounting boards (9), the outer end of horizontal bar (7) is connected with pull rod (6) of tensile cylinder (5), all is equipped with a plurality of lift cylinders (10) on every cylinder mounting board (9), is connected with layering (12) between every two corresponding lift cylinders (10), be equipped with bottom plate (1) on the middle part of lathe workstation (2), the periphery of bottom plate (1) is equipped with a plurality of follow-up switching cylinders (14).

2. The clamp for friction stir welding of the cooling water channel of the lower box body of the battery box of the new energy automobile according to claim 1 is characterized in that: a connecting plate (8) is arranged between the end head of the cylinder mounting plate (9) and the cross bar (7), and the shape of the connecting plate (8) is triangle.

3. The clamp for friction stir welding of the cooling water channel of the lower box body of the battery box of the new energy automobile according to claim 1 is characterized in that: the stretching air cylinder (5) is fixed with the machine tool workbench (2) through an air cylinder mounting strip (3).

4. The clamp for friction stir welding of the cooling water channel of the lower box body of the battery box of the new energy automobile according to claim 1 is characterized in that: be equipped with control box (15) on lathe workstation (2), control box (15) control stretching cylinder (5), lift cylinder (10) and follow-up switching cylinder (14), and all pipelines and signal lines are all installed in tank chain (13), tank chain (13) are fixed the side of lathe workstation (2).