Welding pressing device

Abstract

The utility model relates to a welding pressing device and a battery module welding system. The welding pressing device comprises a mounting seat, a pressing plate and a pressing plate, the pressing assembly is used for pressing the welding part, the pressing assembly is movably arranged on the mounting base, a welding via hole is formed in the pressing assembly, and a welding ray penetrates through the welding via hole; the horizontal driving assemblies are arranged at the two ends of the mounting base in the first direction and used for driving the pressing assemblies to move in the first direction; and the lifting driving assembly is connected with the pressing assembly and used for driving the pressing assembly to move in the vertical direction. According to the welding pressing device and the battery module welding system, the stability and precision of the welding process can be improved, high flexibility and adaptability are achieved, the welding pressing device and the battery module welding system are suitable for welding tasks of various models and sizes, and production efficiency is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to welding pressure device technical field, in particular to a kind of welding pressure device. BACKGROUND

[0002] Battery is widely used in various fields Energy storage device, with the development of lithium battery and fast charging technology in recent years, not only promote electric vehicles, renewable energy and other fields of application, also play an important role in consumer electronics, medical equipment and industrial automation.In the battery production process, welding is the key process to ensure battery performance and safety, tab, pole piece, battery module and shell and other components need to be welded to ensure good contact or firm connection.

[0003] Busbar (busbar) welding to the pole of battery is one of the key steps in battery module manufacturing process, which can provide power connection for external electrical equipment.Accurate and reliable welding connection is essential for the performance of battery module.However, the position of the existing welding equipment pressure device is usually fixed, but in actual production environment, the welding position of different models and sizes of battery module may be different, and the fixed position of the pressure device is difficult to adapt to the need to weld different models or sizes of battery module, increase the time and cost of equipment adjustment, affect production efficiency. SUMMARY

[0004] Therefore, it is necessary to provide a welding pressure device that can be applied to different models or sizes to solve the problem of low adaptability of the existing pressure device affecting production efficiency.

[0005] In a first aspect, a welding pressure device is provided, the device comprising:

[0006] a mounting seat; and,

[0007] a pressure assembly for pressing the welding piece, the pressure assembly is movably arranged on the mounting seat, and a welding via is arranged on the pressure assembly, the welding via is used for passing through welding radiation;

[0008] a horizontal drive assembly arranged on the mounting seat; the horizontal drive assembly can drive the pressure assembly to move along a first horizontal direction and a second horizontal direction; the first horizontal direction is perpendicular to the second horizontal direction;

[0009] a lifting drive assembly arranged on the horizontal drive and connected with the pressure assembly, for driving the pressure assembly to move along a vertical direction.

[0010] In one of the embodiments, the horizontal driving assembly comprises a first horizontal driving assembly and a second horizontal driving assembly, the first horizontal driving assembly is arranged on the mounting base, the second horizontal driving assembly is slidably arranged on the first horizontal driving assembly, and the lifting driving assembly is slidably arranged on the second horizontal driving assembly.

[0011] In one of the embodiments, the mounting base comprises two slide rail supports arranged in parallel and spaced apart, the first horizontal driving assembly comprises a first slide rail and a first sliding block in sliding connection with the first slide rail, and the first slide rail is arranged on each of the two slide rail supports, and the first sliding block is fixed to the second horizontal driving assembly.

[0012] In one of the embodiments, the second horizontal driving assembly comprises a base, a second slide rail and a second sliding block, the base is arranged across the two first slide rails, the base is arranged with the second slide rail on the two sides of the first slide rail respectively, the second sliding block is arranged on the lifting driving assembly, and the second sliding block is in sliding connection with the second slide rail.

[0013] In one of the embodiments, the pressing assembly comprises a pressing head mounting frame and a pressing head assembly, the pressing head mounting frame is connected with the lifting driving assembly respectively, and the pressing head assembly is arranged on the pressing head mounting frame.

[0014] In one of the embodiments, the lifting driving assembly comprises a third slide rail and a third sliding block, the base is arranged with the third sliding block on the two sides of the first slide rail respectively, the third slide rail is arranged on the two sides of the pressing head mounting frame, and the third sliding block is in sliding connection with the third slide rail.

[0015] In one of the embodiments, the pressing assembly comprises a pressing head mounting frame and a pressing head assembly, the pressing head assembly is arranged on a first surface of the pressing head mounting frame facing the to-be-welded member, the pressing head assembly comprises a mounting plate and a pressing head, and the pressing head is arranged on the pressing head mounting plate.

[0016] In one of the embodiments, the pressing head mounting plate is arranged with a fourth sliding block at each end, the first surface of the pressing head mounting frame is arranged with a slide corresponding to the fourth sliding block, and the fourth sliding block is in sliding connection in the slide.

[0017] In one of the embodiments, the pressing assembly further comprises a mounting block, the pressing head is arranged on the mounting block, the mounting block is fixed on the pressing head mounting plate through a mounting hole on the pressing head mounting plate, the mounting hole comprises a plurality of groups, the mounting block is fixed on different groups of mounting holes to adjust the position of the mounting block on the pressing head mounting plate.

[0018] In one of the embodiments, the plurality of pressure head mounting plates are provided, and a plurality of pressure heads are arranged on each of the pressure head mounting plates.

[0019] In a second aspect, there is provided a battery module welding system comprising the welding pressure device as described in the first aspect or any possible implementation of the first aspect, the welding pressure device being used to press the battery module.

[0020] The welding pressure device can reduce displacement or vibration of the pressure device during operation by arranging the mounting seat, and can help to improve the accuracy and reliability of the welding process. The pressure assembly is arranged to press the welding piece, and the pressure assembly is movably arranged on the mounting seat, so that the pressure assembly can adapt to welding pieces of different sizes and shapes, and the flexibility and adaptability of the pressure device are improved. The pressure assembly is provided with a welding via, so that the welding ray can directly pass through the aperture for accurate welding. The horizontal driving assembly is arranged at both ends of the mounting seat in the first direction, and is used to drive the pressure assembly to move in the first direction, so that the pressure device can adapt to welding requirements at different positions, and the position of the pressure assembly can be quickly adjusted. The lifting driving assembly is connected with the pressure assembly and is used to drive the pressure assembly to move in the vertical direction, so that the pressing force of the pressure assembly can be more accurately controlled, and the height requirements of different welding pieces can be met. The welding pressure device can improve the stability and accuracy of the welding process, has strong flexibility and adaptability, is suitable for welding tasks of various models and sizes, and has high production efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0022] Figure 1 A structural schematic diagram of the welding pressure device provided by an embodiment of the present application is shown in the figure.

[0023] Figure 2 A structural schematic diagram of the welding pressure device provided by an embodiment of the present application is shown in the figure.

[0024] Figure 3 A partial structural schematic diagram of the welding pressure device provided by an embodiment of the present application is shown in the figure.

[0025] Figure 4 A partial structural schematic diagram of the welding pressure device provided by an embodiment of the present application is shown in the figure.

[0026] In order to make the above and other objects, features and advantages of the present application more apparent, the following description of the preferred embodiments will be made with reference to the accompanying drawings.

[0027] 100, mounting seat; 110, slide rail support; 200, compression assembly; 210, compression head mounting frame; 220, compression head assembly; 221, compression head mounting plate; 222, compression head; 223, mounting block; 224, slide; 310, first slide rail; 320, first slide block; 400, lifting drive assembly. DETAILED DESCRIPTION

[0028] In order to make the above and other objects, features and advantages of the present application more apparent, the following description of the preferred embodiments will be made with reference to the accompanying drawings.

[0029] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0030] In addition, the terms "first", "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "a plurality of" is at least two, such as two, three, etc., unless otherwise specifically limited.

[0031] In the utility model, unless another definite provision and limitation, the terms "mount", "connect", "connect", "fix" and so on should do the broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through the intermediate medium, can be the communication of two elements or the interaction of two elements, unless another definite limitation.For the ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0032] In the utility model, unless another definite provision and limitation, the first feature is "on" or "under" the second feature, which can be direct contact between the first and second features, or indirect contact between the first and second features through an intermediate medium.Moreover, the first feature "above", "above" and "above" the second feature can be directly above or obliquely above the first feature, or only indicate that the horizontal height of the first feature is higher than that of the second feature.The first feature "below", "below" and "below" the second feature can be directly below or obliquely below the first feature, or only indicate that the horizontal height of the first feature is less than that of the second feature.

[0033] It should be noted that when an element is referred to as "fixed to" or "provided on" another element, it can be directly on another element or there can be a middle element.When an element is considered "connected" to another element, it can be directly connected to another element or there can be a middle element.The terms "vertical", "horizontal", "up", "down", "left", "right" and similar expressions used herein are for illustrative purposes only and are not the only embodiment.

[0034] Figure 1 The structure schematic view of the welding pressure device and the battery module welding system in an embodiment of the utility model is shown, Figure 2 The structure schematic view of the welding pressure device provided by an embodiment of the utility model is shown, Figure 3 The local structure schematic view of the welding pressure device provided by an embodiment of the utility model is shown, Figure 4 The local schematic view of the pressure assembly of the welding pressure device provided by an embodiment of the utility model is shown. Figures 1 to 4 The welding pressure device provided by an embodiment of the utility model comprises:

[0035] The mounting seat 110;And,

[0036] The pressure assembly is used for pressing the welding piece, the pressure assembly is movably arranged on the mounting seat 110, and the pressure assembly is provided with a welding through hole, and the welding through hole is used for passing through the welding ray;

[0037] A horizontal drive assembly is disposed on the mounting base; the horizontal drive assembly is capable of driving the clamping assembly to move along a first horizontal direction and a second horizontal direction; the first horizontal direction is perpendicular to the second horizontal direction.

[0038] A lifting drive assembly is disposed on the horizontal drive assembly and connected to the pressing assembly, and is used to drive the pressing assembly to move in the vertical direction.

[0039] like Figures 1 to 2 As shown, the main body of the mounting base 110 can be composed of various structural components such as square steel and channel steel, as well as various connecting components such as bolts. The mounting base 110 has an opening, the area of ​​which is larger than the vertical projection area of ​​the clamping assembly. The clamping assembly can be raised or lowered through this opening under the drive of the lifting drive assembly, thereby realizing the clamping and lifting actions of the clamping assembly. The opening makes it easier to observe the working status of the clamping assembly and facilitates maintenance or repair. The clamping assembly is used to clamp the workpiece to be welded onto the support, so as to fix the position of the workpiece during welding and ensure the accuracy and consistency of the weld point. A welding through-hole refers to a hole used to pass through the welding beam during the welding process. The position of the welding through-hole corresponds to the weld point. For example, in laser welding, the welding through-hole ensures that the laser beam directly irradiates the welding area, avoiding the laser being blocked or interfered with by the clamping assembly. This facilitates accurate determination of the laser path and helps control the heat input of the laser, ensuring that the heat is concentrated at the welding area, avoiding overheating or welding defects, and promoting more uniform welding and improved welding quality. A horizontal drive assembly is used to drive the clamping assembly to move horizontally, allowing adjustment of the clamping assembly's horizontal position. A lifting drive assembly is used to drive the clamping assembly to move vertically, allowing adjustment of the clamping assembly's vertical position to accommodate parts to be welded at different heights or to perform lifting and lowering actions when changing parts. Both horizontal and lifting drive assemblies can include drive sources such as motors, cylinders, or hydraulic cylinders, and transmission mechanisms such as gears, racks, or connecting rods. The drive source and transmission mechanism used can be configured according to actual needs.

[0040] The welding pressing device can reduce displacement or vibration of the pressing device during operation by arranging the mounting seat 110, and can improve the accuracy and reliability of the welding process. The pressing assembly is arranged to press the welding pieces, and the pressing assembly is movably arranged on the mounting seat 110, so that the pressing assembly can adapt to welding pieces of different sizes and shapes, and the flexibility and adaptability of the pressing device are improved. The welding through hole arranged on the pressing assembly allows the welding rays to directly pass through the aperture for accurate welding. The horizontal driving assembly is arranged at both ends of the mounting seat 110 in the first direction, and is used to drive the pressing assembly to move in the first direction. The pressing device can adapt to welding requirements at different positions, and the position of the pressing assembly can be quickly adjusted. The lifting driving assembly is connected with the pressing assembly and is used to drive the pressing assembly to move in the vertical direction, so that the pressing force of the pressing assembly can be more accurately controlled, and the height requirements of different welding pieces can be met. The welding pressing device can improve the stability and accuracy of the welding process, has strong flexibility and adaptability, is suitable for welding tasks of various models and sizes, and has high production efficiency.

[0041] In one embodiment, the horizontal driving assembly includes a first horizontal driving assembly and a second horizontal driving assembly. The first horizontal driving assembly is arranged on the mounting seat, and the second horizontal driving assembly is slidably arranged on the first horizontal driving assembly. The lifting driving assembly is slidably arranged on the second horizontal driving assembly. The second horizontal driving assembly is slidably arranged on the first horizontal driving assembly, which can realize more flexible movement in a plane and can improve the positioning accuracy of the pressing assembly. The lifting driving assembly is arranged on the second horizontal driving assembly, which can make the lifting function and the horizontal movement function relatively independent, simplify the mechanical structure, reduce the control complexity, and reduce the interference between the driving assemblies.

[0042] In one embodiment, the mounting seat includes two parallel and spaced slide rail supports, the first horizontal driving assembly includes a first slide rail and a first sliding block slidably connected with the first slide rail, and the two slide rail supports are respectively provided with the first slide rail, and the first sliding block is fixed to the second horizontal driving assembly. The slide rail support is used to fix the first slide rail, and the two first slide rails are arranged in parallel and spaced apart, which can provide more uniform driving force for the pressing assembly.

[0043] In one embodiment, the second horizontal driving assembly includes a base, a second slide rail, and a second sliding block. The base is arranged across the two first slide rails, and the base is provided with the second slide rail across the two sides of the first slide rail. The second sliding block is arranged on the lifting driving assembly, and the second sliding block is slidably connected with the second slide rail.

[0044] In one of the embodiments, the pressing assembly comprises a pressing head mounting frame and a pressing head assembly, the pressing head mounting frame is connected with the lifting driving assembly respectively; the pressing head assembly is arranged on the pressing head mounting frame. The pressing head assembly is connected with the lifting driving assembly through the pressing head mounting frame, so that the lifting driving assembly drives the pressing head mounting frame to drive the pressing head assembly to move up and down, and the pressing head mounting frame can improve the flexibility of the pressing assembly by mounting different pressing head assemblies.

[0045] In one of the embodiments, the lifting driving assembly comprises a third sliding rail and a third sliding block, the third sliding block is arranged on the two sides of the first sliding rail respectively, the third sliding rail is arranged on the two sides of the pressing head mounting frame, and the third sliding block is in sliding connection with the third sliding rail. The third sliding block and the third sliding rail are in sliding connection, so that the base is driven by the third sliding block to slide along the third sliding rail.

[0046] In one of the embodiments, the pressing assembly comprises a pressing head mounting frame and a pressing head assembly, the pressing head assembly is arranged on the first surface of the pressing head mounting frame facing the to-be-welded member, the pressing head assembly comprises a pressing head mounting plate and a pressing head, and the pressing head is arranged on the pressing head mounting plate. The pressing head is fixed on the first surface of the pressing head mounting frame, so that the pressing head can be kept stable during work, and the pressing head assembly is arranged on the pressing head mounting frame independently, so that the pressing head assembly can be conveniently disassembled and assembled when the pressing head needs to be replaced or maintained, without disassembling the entire pressing head mounting frame, thereby improving the maintainability of the pressing assembly.

[0047] In one of the embodiments, the two ends of the pressing head mounting plate are respectively provided with a fourth sliding block, the first surface of the pressing head mounting frame is respectively provided with a sliding channel corresponding to the fourth sliding block, and the fourth sliding block is in sliding connection in the sliding channel. The fourth sliding block and the sliding channel are in sliding connection, so as to guide the movement of the pressing head mounting plate and make the pressing head mounting plate bear force uniformly, thereby reducing shaking and deviation during movement.

[0048] In one of the embodiments, the pressing assembly further comprises a mounting block, the pressing head is arranged on the mounting block; the mounting block is fixed on the pressing head mounting plate through a mounting hole on the pressing head mounting plate; the mounting hole comprises a plurality of groups, and the mounting block is fixed on different groups of mounting holes to adjust the position of the mounting block on the pressing head mounting plate. The pressing head is arranged on the mounting block and fixed through cooperation with the mounting hole, which is more flexible than directly fixing the pressing head on the mounting plate, so that the same mounting plate can be used to fix pressing heads of different specifications or arrangement modes, and the pressing assembly can better fix to-be-welded members of different shapes and structures, and has higher adaptability.

[0049] In one of the embodiments, the plurality of pressure head mounting plates are provided, and a plurality of pressure heads are arranged on each of the pressure head mounting plates. By providing a plurality of pressure head mounting plates, and arranging a plurality of pressure heads 222 on each of the pressure head mounting plates, a larger welding range can be covered, and a plurality of welding points can be welded simultaneously, without the need to frequently move the workpiece or the pressure heads 222 to process welding points at different positions, thereby improving the welding efficiency. In addition, uniform pressure can be applied in the welding area, and welding defects caused by uneven pressure can be reduced. Each pressure head 222 can also be independently controlled in terms of pressure and position, so as to perform more accurate welding for different parts or material properties, and reduce the uneven distribution of heat-affected zones and welding stresses.

[0050] In one of the embodiments, a battery module 200 welding system is also provided, and the battery module 200 welding system comprises the welding pressure device according to the first aspect or any possible implementation of the first aspect, and the welding pressure device is used to press the battery module 200.

[0051] In one of the embodiments, the battery module 200 welding system further comprises a base, and the base is provided with an opening, and the first translation assembly of the welding pressure device is arranged on both sides of the opening. The welding station can be arranged below the opening, so as to facilitate the pressure device to press the workpiece to be welded from above.

[0052] In one of the embodiments, the battery module welding system can comprise structural components, welding equipment, sensor and monitoring subsystems, control subsystems, cooling and smoke exhaust devices, clamps and jigs, safety protection devices, and data recording and analysis subsystems, etc. The welding equipment can comprise one or more of laser welding equipment, ultrasonic welding equipment, or arc welding equipment. The sensor and monitoring subsystems can comprise visual detection sensors, temperature sensors, and image processing units. The control subsystems can comprise controllers and human-machine interfaces. The cooling and smoke exhaust devices can comprise cooling liquid circulation systems, cooling fans, and exhaust devices, etc.

[0053] Any combination of the technical features of the above-mentioned embodiments can be made. In order to make the description concise, all possible combinations of the technical features in the above-mentioned embodiments are not described, however, as long as the combination of the technical features does not exist, it should be considered as the scope of the description.

[0054] The above-mentioned embodiments only express several implementation manners of the present application, and the description is relatively specific and detailed, but it should not be understood as a limitation on the scope of the patent. It should be pointed out that, for ordinary skilled persons in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which all belong to the protection scope of the present application. Therefore, the protection scope of the present application patent should be subject to the appended claims.

Claims

1. A welding press device, characterized by, The device comprises: a mounting base; and a pressing assembly for pressing a piece to be welded, the pressing assembly being movably arranged on the mounting base, and a welding through hole being arranged on the pressing assembly for passing a welding ray; a horizontal driving assembly arranged on the mounting base, the horizontal driving assembly being capable of driving the pressing assembly to move in a first horizontal direction and a second horizontal direction, the first horizontal direction being perpendicular to the second horizontal direction; a lifting driving assembly arranged on the horizontal driving assembly and connected with the pressing assembly, the lifting driving assembly being capable of driving the pressing assembly to move in a vertical direction.

2. The welding press device of claim 1, wherein, The horizontal driving assembly comprises a first horizontal driving assembly and a second horizontal driving assembly, the first horizontal driving assembly being arranged on the mounting base, and the second horizontal driving assembly being slidably arranged on the first horizontal driving assembly, and the lifting driving assembly being slidably arranged on the second horizontal driving assembly.

3. The welding press device of claim 2, wherein, The mounting base comprises two slide rail supports arranged in parallel and spaced apart, the first horizontal driving assembly comprises a first slide rail and a first sliding block slidably connected with the first slide rail, and the first slide rail is arranged on each of the two slide rail supports, and the first sliding block is fixed on the second horizontal driving assembly.

4. The welding press according to claim 3, wherein The second horizontal driving assembly comprises a base, a second slide rail and a second sliding block, the base is arranged across the two first slide rails, and the second slide rail is arranged on each of the two sides of the first slide rail, and the second sliding block is arranged on the lifting driving assembly and slidably connected with the second slide rail.

5. The welding press according to claim 4, wherein, The pressing assembly comprises a pressing head mounting frame and a pressing head assembly, the pressing head mounting frame is connected with the lifting driving assembly, and the pressing head assembly is arranged on the pressing head mounting frame.

6. The welding press according to claim 5, wherein, The lifting driving assembly comprises a third slide rail and a third sliding block, the third sliding block is arranged on each of the two sides of the first slide rail, and the third slide rail is arranged on both sides of the pressing head mounting frame, and the third sliding block is slidably connected with the third slide rail.

7. The welding press according to claim 1, wherein, The pressing assembly comprises a pressing head mounting frame and a pressing head assembly, the pressing head assembly is arranged on a first surface of the pressing head mounting frame facing the piece to be welded, the pressing head assembly comprises a pressing head mounting plate and a pressing head, and the pressing head is arranged on the pressing head mounting plate.

8. The welding press according to claim 7, wherein Both ends of the pressing head mounting plate are respectively provided with a fourth sliding block, and the first surface of the pressing head mounting frame is respectively provided with a sliding channel corresponding to the fourth sliding block, and the fourth sliding block is slidably connected in the sliding channel.

9. The welding press according to claim 7, wherein, The pressing assembly further comprises a mounting block, the pressing head is arranged on the mounting block, the mounting block is fixed on the pressing head mounting plate through a mounting hole on the pressing head mounting plate, and the mounting hole comprises a plurality of groups, the mounting block is fixed on different groups of mounting holes to adjust the position of the mounting block on the pressing head mounting plate.

10. The welding press according to claim 7, wherein, The pressing head mounting plate is a plurality of, and each of the pressing head mounting plates is provided with a plurality of pressing heads.

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