CN216576028U - Aluminum alloy battery case welding heating device - Google Patents

Abstract

The utility model belongs to the technical field of battery box processing, and provides an aluminum alloy battery box welding heating device which comprises a main bottom plate, wherein an inner plate to be welded is arranged on the main bottom plate, a turnover mechanism, a pressing mechanism and a plurality of groups of welding heating assemblies are arranged on the main bottom plate, the plurality of groups of welding heating assemblies are arranged around the inner plate for a circle, the turnover mechanism is connected with the pressing mechanism and is positioned at the upper end of the welding heating assembly, the pressing mechanism is driven by the turnover mechanism to turn over and then is pressed on the inner plate, and the inner plate is subjected to magnetic conduction heating by the plurality of groups of welding heating assemblies. The utility model has the advantages that the device effectively avoids the assembly gap between the inner plate and the shell, reduces the overlarge stress of the welding seam at the corner, enlarges the welding process window, adopts the annular magnetic conductive material heating mode and the high-frequency induction coil without increasing the material processing precision and changing the product structure and the material attribute, and overcomes the characteristic of low instantaneous heating efficiency of the aluminum alloy.

Description

Aluminum alloy battery case welding heating device

Technical Field

The utility model belongs to the technical field of battery box processing, and relates to an aluminum alloy battery box welding and heating device.

Background

With the market share of new energy automobiles becoming larger and larger, the welding requirements on various battery boxes become higher and higher, the welding requirements are limited by product structures and aluminum alloy material properties, the stable welding quality cannot be obtained by the conventional welding process, the window of the conventional welding process is narrower, the welding parameters are greatly influenced by the surface cleanliness (water, oil and dust) of materials, the environmental temperature and humidity, especially when the inner plate of the battery box is welded with a shell, a gap exists between the inner plate and the shell, after the single-side welding is completed, the welding gap can be concentrated on one side, so that the welding track is deviated, and meanwhile, when the structural welding line is solidified from a molten state, the tensile stress on corners caused by sudden change of the welding bead is large, the welding line is easily cracked, and the processing quality of the aluminum alloy battery box is seriously influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problems of the prior art and provides an aluminum alloy battery box welding heating device which is used for solving the problems of aluminum alloy welding cracking and welding deviation.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model provides an aluminum alloy battery case welding heating device, includes the master base plate, is provided with on the master base plate and treats welded inner panel, its characterized in that, the master base plate on be provided with tilting mechanism, hold-down mechanism and multiunit welding heating element, multiunit welding heating element sets up around the inner panel round, tilting mechanism is connected with hold-down mechanism and is located welding heating element's upper end, hold-down mechanism drives the upset back by tilting mechanism and compresses tightly on the inner panel to carry out the magnetic conduction heating by multiunit welding heating element to the inner panel.

In foretell aluminum alloy battery case welding heating device, every group welding heating element is including installing support, magnetic conduction spare, cylinder and high-frequency induction heating coil assembly, the cylinder install on the installing support, the magnetic conduction spare is installed on the cylinder, has high-frequency induction heating coil assembly around the front portion of magnetic conduction spare, the magnetic conduction spare heat high-frequency induction heating coil assembly to reach high temperature in the twinkling of an eye by high-frequency induction heating coil assembly with heat transfer's the inner panel.

In the aluminum alloy battery box welding heating device, a heat insulation block is arranged between the cylinder and the high-frequency induction heating coil assembly.

Compared with the prior art, the utility model has the advantages that the device effectively avoids the assembly gap between the inner plate and the shell, reduces the overlarge stress of the welding line at the corner, enlarges the welding process window, does not increase the material processing precision, does not change the product structure and the material property, carries out high-frequency induction heat transfer on the inner plate during welding, adopts the annular magnetic conductive material heating mode and the high-frequency induction coil, and overcomes the characteristic of low instantaneous heating efficiency of the aluminum alloy.

Drawings

FIG. 1 is an overall schematic view of the aluminum alloy battery case welding heating apparatus of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments. It is to be understood that the described embodiments are merely a few embodiments of the utility model, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "central," "lateral," "longitudinal," "front," "rear," "left," "right," "upper," "lower," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the utility model and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be considered limiting to the scope of the present invention.

In the figure, a main chassis 100; an inner plate 200; a turnover mechanism 300; a pressing mechanism 400; welding the heating assembly 500; a mounting bracket 501; a magnetically permeable member 502; a cylinder 503; a high frequency induction heating coil assembly 504; an insulation block 600.

As shown in fig. 1, the aluminum alloy battery box welding and heating device includes a main bottom plate 100, an inner plate 200 to be welded is disposed on the main bottom plate 100, a turnover mechanism 300, a pressing mechanism 400 and a plurality of welding and heating assemblies 500 are disposed on the main bottom plate 100, the plurality of welding and heating assemblies 500 are disposed around the inner plate 200 in a circle, so that each position of the inner plate 200 can be heated, wherein each welding and heating assembly 500 includes a mounting bracket 501, a magnetic conductive member 502, an air cylinder and a high-frequency induction heating coil assembly 504, the air cylinder 503 is mounted on the mounting bracket 501, the magnetic conductive member 502 is mounted on the air cylinder 503, the high-frequency induction heating coil assembly 504 is disposed around the front portion of the magnetic conductive member 502, the air cylinder 503 can drive the magnetic conductive member 502 to move, the mounting bracket 501 plays a main fixing role, the magnetic conductive member 502 plays a main heat conduction role, and the magnetic conductive member 502 heats the high-frequency induction heating coil assembly 504, the greatest innovation of the patent lies in that heat conduction is realized, the high-frequency induction heating has lower heating efficiency on non-magnetic conductive materials, the heat dissipation of aluminum alloy is faster, and the inner plate 200 hardly reaches higher temperature in the moment, so the magnetic conductive member 502 of the patent adopts the magnetic conductive material, because a circle of magnetic conductive material is integrated around the welding of the inner plate 200 for high-frequency induction heating, the inner plate 200 reaches the high temperature in the moment in a heat transfer mode, the adhesion of the material of the inner plate 200 in the heat transfer process can be avoided, a larger effective heating area is simultaneously reached, and the high-frequency induction heating is adopted, so the temperature of the inner plate 200 can be instantly increased, the inner plate 200 expands after being heated in the moment, a pressure stress is applied to the structure of the inner plate 200 outwards, namely, a part of tensile stress of welding seam solidification contraction is counteracted, and the inner plate 200 is preheated, the reduction in temperature difference results in a reduction in the solidification rate of the weld.

Tilting mechanism 300 is connected and is located welding heating element 500's upper end with hold-down mechanism 400, hold-down mechanism 400 compresses tightly on inner panel 200 after being driven the upset by tilting mechanism 300, and carry out the magnetic conduction heating by multiunit welding heating element 500 to inner panel 200, can utilize tilting mechanism 300 and hold-down mechanism 400 to end at the welding like this, conveniently do benefit to and get and put the product, cylinder 503 and reach and be provided with heat insulating block 600 between the high frequency induction heating coil assembly 504, play the guard action to cylinder 503 through heat insulating block 600.

The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications, additions and substitutions for the described embodiments may be made by those skilled in the art without departing from the scope and spirit of the utility model as defined by the accompanying claims.

Claims (3)

1. The utility model provides an aluminum alloy battery case welding heating device, includes the master base plate, is provided with on the master base plate and treats welded inner panel, its characterized in that, the master base plate on be provided with tilting mechanism, hold-down mechanism and multiunit welding heating element, multiunit welding heating element sets up around the inner panel round, tilting mechanism is connected with hold-down mechanism and is located welding heating element's upper end, hold-down mechanism drives the upset back by tilting mechanism and compresses tightly on the inner panel to carry out the magnetic conduction heating by multiunit welding heating element to the inner panel.

2. The aluminum alloy battery box welding heating device of claim 1, wherein each group of welding heating assemblies comprises a mounting bracket, a magnetic conduction member, a cylinder and a high-frequency induction heating coil assembly, the cylinder is mounted on the mounting bracket, the magnetic conduction member is mounted on the cylinder, the high-frequency induction heating coil assembly is arranged on the periphery of the front part of the magnetic conduction member, the magnetic conduction member heats the high-frequency induction heating coil assembly, and the high-frequency induction heating coil assembly transfers heat to the inner plate to reach instantaneous high temperature.

3. The aluminum alloy battery case welding heating apparatus as defined in claim 2, wherein a heat insulating block is provided between said cylinder and said high frequency induction heating coil assembly.

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