Dust removal device and welding equipment

Abstract

The application relates to the technical field of production equipment, and provides a dust removal device and welding equipment, which can solve the problem of splashing of scraps during welding. The dust removal device is used for composing the welding equipment, and the dust removal device comprises a base body, the base body is provided with a containing portion and a dust removal channel, the containing portion extends along a first direction to contain a welding head of the welding equipment; the dust removal channel is connected with an airflow generator in communication, the dust removal channel comprises a first opening and a second opening, the first opening and the second opening are both directed to a component to be welded; the axis of the first opening is along the first direction, and the axis of the second opening has an included angle with the axis of the first opening.

Description

Technical Field

[0001] This application relates to the field of production equipment technology, and in particular to a dust removal device and welding equipment. Background Technology

[0002] Welding equipment is a processing device that combines independent components into a single structure through heating, pressurization, vibration, and other methods.

[0003] In related technologies, welding equipment is prone to the problem of debris splashing during the welding of electrode assemblies, which can easily have an adverse effect on the electrode assemblies. Utility Model Content

[0004] This application provides a dust removal device and welding equipment, which can effectively improve the removal effect of debris and reduce the adverse effects of debris on the components to be welded.

[0005] The first aspect of this application provides a dust removal device for assembling welding equipment. The dust removal device includes a base, the base being provided with a receiving portion and a dust removal channel. The receiving portion extends along a first direction to accommodate the welding head of the welding equipment. The dust removal channel is connected to an airflow generator and includes a first opening and a second opening, both of which face the component to be welded. The axis of the first opening is along the first direction, and the axis of the second opening forms an angle with the axis of the first opening.

[0006] The dust removal device provided in this application can be used to assemble welding equipment to remove dust during the welding process and reduce the adverse effects of debris on the components to be welded. The dust removal device includes a base with a receiving portion extending along a first direction to accommodate the welding head of the welding equipment, thereby facilitating welding of the components to be welded by the welding head. Furthermore, the base is provided with a dust removal channel connected to an airflow generator, so that dust is removed by the airflow generated by the airflow generator. The dust removal channel includes a first opening and a second opening, both facing the components to be welded, so that both openings can be used for dust removal. The axis of the first opening is along the first direction, and the axis of the second opening forms an angle with the axis of the first opening. The combination of the first and second openings forms an asymmetrical capture opening layout, enabling dust removal from different angles on the components to be welded. On the one hand, this reduces dust removal dead zones, effectively improving the dust removal effect and reducing the adverse effects of debris on the components to be welded; on the other hand, the first and second openings can form multiple airflow paths, thereby improving dust removal efficiency. Compared with related technologies, where dust removal devices have a single function and are difficult to effectively remove debris, the dust removal device of this application, by setting a first opening and a second opening at an angle, can carry out dust removal from multiple directions and has a high dust removal efficiency, effectively improving the removal effect of debris and reducing the adverse effects of debris on the components to be welded.

[0007] In some embodiments of this application, the substrate includes a body portion and an extension portion. A first opening is disposed on the body portion, and the extension portion protrudes from the body portion along a first direction. A second opening is disposed on the side of the extension portion near the first opening, and the first opening and the second opening face different surfaces of the component to be welded.

[0008] Here, the substrate is provided with a main body and an extension. The main body has a first opening so that the first opening can face the component to be welded. The extension protrudes from the main body in a first direction. A second opening is provided on the side of the extension near the first opening so that the second opening and the first opening can face different surfaces of the component to be welded, so that dust removal can be carried out from different directions.

[0009] In some embodiments of this application, the receiving portion is configured as a surrounding structure, and the receiving portion surrounds the outer periphery of the welding head.

[0010] Here, the receiving part is set as a surrounding structure, so that the receiving part can surround the outer periphery of the welding head. On the one hand, it enables the receiving part and the welding head to be positioned relative to each other, improving the positional accuracy of the dust removal device; on the other hand, the surrounding structure can achieve full circumferential enclosure of the welding head, reducing the splashing of debris, so as to control the debris within the range that the first and second openings can cover, and reduce the adverse effects of debris splashing.

[0011] In some embodiments of this application, the receiving portion is provided with a third opening through which the welding head passes; when projected along a first direction toward the same projection plane, the projection outline of the third opening is at least partially located within the projection outline of the first opening.

[0012] Here, the receiving part is provided with a third opening, through which the welding head can pass so that the welding head passes through the receiving part to perform welding on the component to be welded. The third opening is projected in the same projection plane along the first direction. The projection outline of the third opening is at least partially located within the projection outline of the first opening, so that the first opening and the welding head are aligned and have the same direction. The first opening can remove debris around the welding head so that the welding head can continue to weld.

[0013] In some embodiments of this application, the dust removal device further includes an energy-absorbing component, which includes at least one energy-absorbing element connected to the substrate; the energy-absorbing element has a first surface, which is at least used to abut against the welding assembly along a first direction, and the energy-absorbing element is capable of absorbing vibration energy.

[0014] Here, the dust removal device is equipped with an energy-absorbing component, which includes an energy-absorbing element connected to the substrate. The first surface of the energy-absorbing element can abut against the component to be welded at least along a first direction. On the one hand, the energy-absorbing element can absorb vibration energy through the abutment of the first surface, thereby reducing the vibration of the non-welding area of ​​the component to be welded, and thus reducing the possibility of debris splashing due to vibration. On the other hand, the energy-absorbing element can also limit the component to be welded through the first surface, improving the positioning accuracy of the component to be welded, so that the welding position is more precise.

[0015] In some embodiments of this application, the energy-absorbing element includes a support and a buffer. The support is connected to the substrate, and the buffer is connected to the support and forms a first surface. The rigidity of the buffer is less than that of the support.

[0016] Here, the energy-absorbing component is provided with a support body and a buffer body. The support body is connected to the base body, which has good structural rigidity and connection stability. The buffer body is connected to the support body and forms the first surface. On the one hand, the buffer body with less rigidity contacts the component to be welded to avoid damaging the component to be welded. On the other hand, the buffer body with better energy absorption effect is close to the component to be welded, which can better absorb the vibration energy.

[0017] In some embodiments of this application, the support body has a limiting groove, and the buffer body includes an energy-absorbing part and a connecting part. The energy-absorbing part is disposed on the side of the support body away from the base body, and the connecting part extends into the limiting groove, and the connecting part at least abuts against the inner wall of the limiting groove along a first direction.

[0018] Here, the support body has a limiting groove, and the buffer body includes an energy-absorbing part and a connecting part. The energy-absorbing part is located on the side of the support body away from the base body so that the energy-absorbing part can face the component to be welded. The connecting part extends into the limiting groove and abuts against the inner wall of the limiting groove at least along the first direction so that the support body and the buffer body can achieve limiting through snap-fit ​​cooperation, which has good connection stability and facilitates the transmission of vibration.

[0019] In some embodiments of this application, the energy-absorbing component includes at least two first energy-absorbing elements, which are disposed on opposite sides of the first opening, and the relative arrangement direction of the at least two first energy-absorbing elements forms an angle with the orientation of the second opening.

[0020] Here, the energy absorption assembly is provided with at least two first energy absorption elements, which are arranged on opposite sides of the first opening. The structure is symmetrical so that the energy absorption effect is more balanced. The relative arrangement direction of the at least two first energy absorption elements is at an angle to the orientation of the second opening, which reduces the interference of the first energy absorption elements on the second opening, so that the first energy absorption elements and the second opening can each play a good role.

[0021] In some embodiments of this application, the energy-absorbing component includes a second energy-absorbing element, which is disposed opposite to a second opening; the first energy-absorbing element, the second energy-absorbing element, and the second opening form an enclosing structure that encloses the welding head.

[0022] Here, the energy-absorbing component includes a second energy-absorbing element, which is disposed opposite to the second opening, so that the first energy-absorbing element, the second energy-absorbing element, and the second opening form an enclosing structure, thereby enclosing the periphery of the welding head. This arrangement can completely block the possible splash escape path of the debris, greatly reducing the adverse effects of the debris.

[0023] In some embodiments of this application, the first surface of the second energy absorber and the first surface of the first energy absorber have a height difference along a first direction, so that the first energy absorber or the second energy absorber forms a clearance space.

[0024] Here, the first surface of the second energy absorber and the first surface of the first energy absorber have a height difference along the first direction, which enables the second energy absorber to form an avoidance space, thereby avoiding the structure of the component to be welded, improving the adaptability of the energy absorber to meet different welding requirements.

[0025] In some embodiments of this application, the substrate includes a body portion and a channel portion, the channel portion extending in a direction away from the first opening; the dust removal channel includes a dust removal chamber and a connecting flow channel, the dust removal chamber being located in the body portion and the connecting flow channel being located in the channel portion, the channel portion being used to connect to the airflow generator.

[0026] Here, the substrate includes a body part and a channel part. The channel part extends in a direction away from the first opening in order to reduce the space occupied by the channel part near the first opening and facilitate the connection of the channel part to the airflow generator. The body part is provided with a dust removal chamber with a dust removal channel so that different flow channels converge in the dust removal chamber, which facilitates the centralized treatment of debris.

[0027] In some embodiments of this application, the dust removal device further includes a mounting component for connecting to an external support structure, and the mounting component is connected to the main body and the channel portion respectively.

[0028] Here, by setting up mounting components, it is convenient to connect the welding device to the external support structure. The mounting components are connected to the main body and the channel part respectively, so that the mounting components can be stably connected to the base and improve the stability of the installation.

[0029] In some embodiments of this application, the dust removal device further includes a fixing member for limiting the component to be welded; a receiving space is enclosed between the fixing member and the component to be welded, and at least a portion of the substrate is located within the receiving space.

[0030] Here, by setting a fastener, the fastener can limit the component to be welded, so as to fix the component to be welded and facilitate welding. There is an accommodating space between the fastener and the component to be welded, which accommodates part of the base body, so that the base body and the fastener have good positional accuracy, and the structure is compact and occupies little space.

[0031] In some embodiments of this application, the fastener includes a limiting portion and an expanding portion. The limiting portion is used to limit the component to be welded, and the expanding portion is located between the two limiting portions and is recessed in a direction away from the substrate.

[0032] Here, the fastener is provided with a limiting part and an outward expansion part. The limiting part abuts against the component to be welded to fix it. The outward expansion part is located between the two limiting parts. The outward expansion part is recessed inward in the direction away from the substrate to form a receiving space. The structure is simple and easy to adapt to the contour of the substrate.

[0033] The second aspect of this application provides a welding device, including a base, a welding assembly, and a dust removal device according to the first aspect. The base is used to support the assembly to be welded; the welding assembly is used to weld the assembly; and the base of the dust removal device is connected to the base.

[0034] The welding equipment provided in this application has a base that provides an installation foundation for the welding components and the dust removal device. The dust removal device is provided with a first opening and a second opening at an angle, which can carry out dust removal from multiple directions and has a high dust removal efficiency, effectively improving the removal effect of debris and reducing the adverse effects of debris on the components to be welded. Attached Figure Description

[0035] The accompanying drawings, which are incorporated in and form part of this specification, illustrate embodiments consistent with this application and, together with the description, serve to explain the principles of this application.

[0036] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, for those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0037] Figure 1 This is a schematic diagram (first-view axonometric view) of the dust removal device according to an embodiment of this application. Figure 2 This is a schematic diagram (top view) of the dust removal device according to an embodiment of this application. Figure 3 Examples of embodiments of this application Figure 2 A schematic diagram of the cross-sectional structure along the middle AA line; Figure 4This is a partial structural schematic diagram of the welding equipment according to an embodiment of this application; Figure 5 This is a partial structural diagram of the welding equipment and the components to be welded according to an embodiment of this application; Figure 6 This is a schematic diagram of the dust removal device according to an embodiment of this application (second-view axonometric view). Figure 7 This is a schematic diagram of the dust removal device according to an embodiment of this application (third-view axonometric view). Figure 8 This is a schematic diagram (bottom view) of the dust removal device according to an embodiment of this application. Figure 9 This is a schematic diagram (rear view) of the dust removal device according to an embodiment of this application. Figure 10 This is a schematic diagram (right view) of the dust removal device according to an embodiment of this application. Figure 11 Examples of embodiments of this application Figure 10 A schematic diagram of the cross-sectional structure along the middle edge BB.

[0038] Explanation of reference numerals in the attached figures: 100-Base; 110-Receiving part; 111-Third opening; 120-Main body; 121-First opening; 122-Dust removal chamber; 130-Extension; 131-Second opening; 140-Channel part; 141-First flow channel; 142-Second flow channel; 200-Mounting part; 210-Mounting hole; 300-Energy absorption component; 310-Support body; 311-Limiting groove; 320-Buffer body; 321-Energy absorption part; 322-Connecting part; 323-First surface; 30a-First energy absorption element; 30b-Second energy absorption element; 400-Fixing part; 410-Limiting part; 420-Outward expansion part; 500-Base; 600-Welding head; 700-Component to be welded; 710-Main body; 720-Electrode tab; Z-First direction; X-Second direction; Y-Third direction. Detailed Implementation

[0039] To better understand the above-mentioned objectives, features, and advantages of this application, the solution of this application will be further described below. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0040] Many specific details are set forth in the following description in order to provide a full understanding of this application, but this application may also be implemented in other ways different from those described herein; obviously, the embodiments in the specification are only some embodiments of this application, and not all embodiments.

[0041] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains; the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the application; the terms “comprising” and “having”, and any variations thereof, in the specification, claims, and foregoing description of the drawings are intended to cover non-exclusive inclusion.

[0042] In the description of the embodiments of this application, technical terms such as "first," "second," and "third" are used only to distinguish different objects and should not be construed as indicating or implying relative importance or implicitly specifying the number, specific order, or primary and secondary relationship of the indicated technical features. In the description of the embodiments of this application, "multiple" means two or more, unless otherwise explicitly defined.

[0043] In this document, the term "embodiment" means that a particular feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this application. The appearance of this phrase in various places throughout the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment mutually exclusive with other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0044] In the description of the embodiments in this application, the term "and / or" is merely a description of the relationship between related objects, indicating that three relationships can exist. For example, A and / or B can represent: A existing alone, A and B existing simultaneously, and B existing alone. Additionally, the character " / " in this document generally indicates that the preceding and following related objects are in an "or" relationship.

[0045] In the description of the embodiments of this application, the technical terms "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "circumferential", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing the embodiments of this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed, operated or used in a specific orientation. Therefore, they should not be construed as limitations on the embodiments of this application.

[0046] In the description of the embodiments of this application, unless otherwise expressly specified and limited, technical terms such as "installation," "connection," "joining," and "fixing" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in the embodiments of this application according to the specific circumstances.

[0047] In the description of the embodiments of this application, unless otherwise expressly specified and limited, the technical term "contact" should be interpreted broadly, and can be direct contact, contact through an intermediate medium layer, contact between two contacting parties with substantially no interaction force, or contact between two contacting parties with interaction force.

[0048] The following is a detailed description of this application.

[0049] Welding equipment is a processing device that combines independent components into a single structure through heating, pressurization, vibration, and other methods. Welding methods include ultrasonic welding, hot melt welding, friction welding, explosive welding, and cold pressure welding. Welding equipment can be applied in fields such as vehicle manufacturing, battery manufacturing, construction engineering, pipeline transportation, aerospace, and equipment maintenance. For example, welding equipment is used for welding individual battery cells.

[0050] In some technical solutions, the electrode assembly of a battery cell is assembled using an ultrasonic welding device. The electrode assembly includes a tab and a main body. The tab and the main body are welded and fixed. During ultrasonic welding, the welding head presses down to contact the welding area of ​​the tab, which easily generates debris. The debris can easily splash and escape into the interior of the main body. In addition, the vibration of the tab outside the welding area during welding can also easily generate debris and escape into the interior of the main body.

[0051] This application discloses a dust removal device and welding equipment, which can solve the problem of debris splattering and escaping during welding. The dust removal device includes a base with a receiving portion extending along a first direction to accommodate the welding head of the welding equipment, thereby facilitating welding of the component to be welded. The base also has a dust removal channel connected to an airflow generator for dust removal via airflow generated by the airflow generator. The dust removal channel includes a first opening and a second opening, both facing the component to be welded, so that both openings can be used for dust removal. The axis of the first opening is along the first direction, and the axis of the second opening forms an angle with the axis of the first opening. The combination of the first and second openings forms an asymmetrical capture opening layout, enabling dust removal from different angles of the component to be welded. On the one hand, this reduces dust removal dead zones, effectively improving the dust removal effect and reducing the adverse effects of debris on the component to be welded; on the other hand, the first and second openings can form multiple airflow paths, thereby improving dust removal efficiency and effectively enhancing the removal of debris, further reducing the adverse effects of debris on the component to be welded.

[0052] Reference Figure 1 , Figure 2 and Figure 3 This application provides a dust removal device for use in welding equipment. The dust removal device includes a base 100, which is provided with a receiving portion 110 and a dust removal channel (including a first opening 121, a second opening 131, and a dust removal chamber 122). The receiving portion 110 extends along a first direction Z to accommodate the welding head 600 of the welding equipment. The dust removal channel is connected to an airflow generator (not shown in the figure). The dust removal channel includes a first opening 121 and a second opening 131, both of which face the component 700 to be welded. The axis of the first opening 121 is along the first direction Z, and the axis of the second opening 131 forms an angle with the axis of the first opening 121.

[0053] The technical solution of this application embodiment is that the dust removal device can be used to form a welding equipment so as to remove dust during the welding process and reduce the adverse effects of debris on the component 700 to be welded. The dust removal device includes a base 100, and the base 100 is provided with a receiving portion 110. The receiving portion 110 extends along the first direction Z to accommodate the welding head 600 of the welding equipment, thereby facilitating the welding head 600 to perform welding on the component 700 to be welded.

[0054] Based on this, the substrate 100 is also provided with a dust removal channel, which is connected to an airflow generator so that dust can be removed by the airflow generated by the airflow generator. The dust removal channel includes a first opening 121 and a second opening 131, both of which face the component to be welded 700 so that both the first opening 121 and the second opening 131 can be used for dust removal. The axis of the first opening 121 is along the first direction Z, and the axis of the second opening 131 is at an angle to the axis of the first opening 121. The combination of the first opening 121 and the second opening 131 forms an asymmetrical capture opening layout, which can remove dust from the position of the component to be welded 700 from different angles. On the one hand, it reduces the dust removal dead angle, effectively improves the dust removal effect, and reduces the adverse effects of debris on the component to be welded 700; on the other hand, the first opening 121 and the second opening 131 can form multiple airflow paths, thereby improving the dust removal efficiency.

[0055] Compared with related technologies, where dust removal devices have limited functionality and are difficult to effectively remove debris, the dust removal device of this application embodiment, by setting a first opening 121 and a second opening 131 at an angle, can perform dust removal from multiple directions and has high dust removal efficiency, effectively improving the removal effect of debris and reducing the adverse effects of debris on the unwelded assembly 700.

[0056] In some examples, the base 100 is used to house the receiving part 110 and the dust removal channel. The cross-sectional shape of the base 100 can be set as a regular or irregular shape such as rectangle, rhombus, trapezoid, circle, ellipse, hexagon, etc. The cross-section of the base 100 along different directions or different positions can be the same or different. The base 100 can be set as an integral structure, or the base 100 can be composed of multiple separately formed sub-components connected together.

[0057] In some examples, the receiving portion 110 extends along the first direction Z to receive the welding head 600 of the welding equipment, meaning that the extending direction of the receiving portion 110 is consistent with the extending direction of the welding head 600, and the welding head 600 extends along the first direction Z and extends into the receiving portion 110 to perform welding.

[0058] In some examples, the welding equipment is an ultrasonic device, and the welding head 600 is configured as an ultrasonic welding head 600, see reference. Figure 4 and Figure 5 The component to be welded 700 can be an electrode assembly, which includes a main body 710 and an electrode tab 720. The ultrasonic welding head 600 can drive the component to be welded 700 to generate ultrasonic frequency vibration so as to weld and fix the main body 710 and the electrode tab 720.

[0059] It should be noted that the electrode assembly processed by the welding equipment is a component of the battery cell, and the battery cell can be assembled into a battery device. The battery cell can be a rechargeable battery that can be used repeatedly.

[0060] The battery cells can be, but are not limited to, lithium-ion batteries, sodium-ion batteries, sodium-lithium-ion batteries, lithium metal batteries, sodium metal batteries, lithium-sulfur batteries, magnesium-ion batteries, nickel-metal hydride batteries, nickel-cadmium batteries, lead-acid batteries, etc.

[0061] In some examples, the electrode assembly may include a body portion 710 and tabs 720. The body portion 710 includes a positive electrode plate, a negative electrode plate, and an insulating member, and the body portion 710 may be wound up. The positive and negative electrode plates are respectively connected to the tabs 720, which can conduct or conduct current. The shape of the electrode assembly may be cylindrical, flat, or polygonal, etc.

[0062] During the charging and discharging process of a single battery cell, active ions (such as lithium ions) repeatedly insert and extract between the positive and negative electrode plates. A separator is placed between the positive and negative electrodes to prevent short circuits while allowing active ions to pass through.

[0063] In some examples, the dust removal channel is connected to an airflow generator, which is a device such as a pump that can generate positive or negative pressure airflow. The airflow generated by the airflow generator can blow away or adsorb and remove debris.

[0064] In some technical solutions, the airflow generator can be integrated into the dust removal device, or the airflow generator can be set in other locations. The airflow generator is connected to the dust removal channel through a pipe, which can be a rigid pipe or a flexible pipe. The welding head 600 and the base 100 can be configured to move relative to the welding assembly 700.

[0065] In some examples, the dust removal channel is configured to capture debris by drawing in negative pressure airflow towards the opening of the component 700 to be welded (e.g., the first opening 121 or the second opening 131); in other examples, some openings capture debris by negative pressure airflow, while the remaining openings blow away debris by positive pressure airflow.

[0066] It should be noted that the debris in the embodiments of this application includes, but is not limited to, debris generated during the welding process, debris adhering to the component 700 to be welded during processing or transportation, such as cutting debris from the welding edge of the tab 720, debris generated during the contact between the welding head 600 and the component 700 to be welded, etc. The debris may include welding slag, particulate matter and / or dust, etc.

[0067] In some examples, the dust removal channel includes a first opening 121 and a second opening 131, which may be connected or isolated and separately connected to an airflow generator. The first opening 121 and the second opening 131 may be configured as one or more, and the axes of the multiple second openings 131 may extend in different directions.

[0068] In some examples, the first opening 121 and the second opening 131 may have the same or different outline shapes. The outline shape of the first opening 121 or the second opening 131 may be a regular or irregular shape such as a rectangle, rhombus, trapezoid, circle, ellipse, or hexagon.

[0069] In some examples, the axis of the first opening 121 is along the first direction Z, and the first opening 121 may be coaxial with the receiving portion 110; or the first opening 121 may be misaligned with the receiving portion 110, but the axis of the first opening 121 is parallel to the extending direction of the receiving portion 110.

[0070] In some examples, the axis of the second opening 131 and the axis of the first opening 121 can be set to a right angle, an acute angle, or an obtuse angle. The angles between the axes of different second openings 131 and the axis of the same first opening 121 can be the same or different. For example, one first opening 121 and one second opening 131 are provided, and the axes of the first opening 121 and the second opening 131 are perpendicular.

[0071] Reference Figure 3 , Figure 6 and Figure 7 In some embodiments of this application, the substrate 100 includes a body portion 120 and an extension portion 130. A first opening 121 is disposed on the body portion 120, and the extension portion 130 protrudes relative to the body portion 120 along a first direction Z. A second opening 131 is disposed on the side of the extension portion 130 near the first opening 121. The first opening 121 and the second opening 131 are respectively facing different surfaces of the component 700 to be welded.

[0072] In the technical solution of this application embodiment, the substrate 100 is provided with a body portion 120 and an extension portion 130. The body portion 120 has a first opening 121 so that the first opening 121 can face the component to be welded 700. The extension portion 130 protrudes relative to the body portion 120 along the first direction Z. A second opening 131 is provided on the side of the extension portion 130 near the first opening 121, so that the second opening 131 and the first opening 121 can face different surfaces of the component to be welded 700 respectively, so as to perform dust removal from different directions.

[0073] In some examples, the body portion 120 and the extension portion 130 can be an integrally formed structure, with the body portion 120 located on the side of the component to be welded 700 close to the welding head 600, and the extension portion 130 located on the side of the first opening 121 away from the component to be welded 700, with the extension portion 130 protruding along the first direction Z to extend beyond the surface where the first opening 121 is located.

[0074] In some examples, the body portion 120 and the extension portion 130 form a notch-shaped semi-enclosed structure, with the first opening 121 and the second opening 131 both facing the component to be soldered 700. The first opening 121 faces the large surface (larger area surface) of the component to be soldered 700, and the second opening 131 faces the end face of the component to be soldered 700.

[0075] Reference Figure 3 , Figure 5 and Figure 6 In some embodiments of this application, the receiving portion 110 is configured as a surrounding structure, and the receiving portion 110 surrounds the outer periphery of the welding head 600.

[0076] In the technical solution of this application embodiment, the receiving part 110 is configured as a surrounding structure, so that the receiving part 110 can surround the outer periphery of the welding head 600. On the one hand, the receiving part 110 and the welding head 600 can be positioned relative to each other, improving the positional accuracy of the dust removal device; on the other hand, the surrounding structure can achieve full circumferential enclosure of the welding head 600, reducing the splashing of debris, so as to control the debris within the range that the first opening 121 and the second opening 131 can cover, reducing the adverse effects caused by debris splashing.

[0077] In some examples, the receiving portion 110 is formed with a cavity. The receiving portion 110 is located on the top of the base 100 and extends toward the inner side of the base 100. The receiving portion 110 is disposed around the welding head 600 to accommodate the welding head 600. The receiving portion 110 can be coaxially arranged with the welding head 600. The inner wall of the cavity and the peripheral wall of the welding head 600 can be provided with a gap greater than or equal to 3 mm to reduce the interference between the welding head 600 and the receiving portion 110 and facilitate the movement of the welding head 600 relative to the base 100.

[0078] In some examples, the receiving portion 110 can be configured as a closed structure, with the end of the receiving portion 110 away from the component 700 protruding relative to the body portion 120, and the end of the receiving portion 110 near the component 700 being housed inside the body portion 120.

[0079] Reference Figure 2 and Figure 3 In some embodiments of this application, the receiving portion 110 is provided with a third opening 111 through which the welding head 600 passes; when projected along the first direction Z toward the same projection plane, the projection outline of the third opening 111 is at least partially located within the projection outline of the first opening 121.

[0080] In the technical solution of this application embodiment, the receiving part 110 is provided with a third opening 111, through which the welding head 600 can pass, so that the welding head 600 passes through the receiving part 110 to perform welding on the component 700 to be welded, and projects along the first direction Z toward the same projection plane. The projection outline of the third opening 111 is at least partially located within the projection outline of the first opening 121, so that the first opening 121 and the welding head 600 are aligned and have the same direction. The first opening 121 can remove debris around the welding head 600 so that the welding head 600 can continue welding.

[0081] In some examples, the third opening 111 is configured as the receiving portion 110 near the side of the component to be soldered 700. The third opening 111 may be located inside the body portion 120, and the shape of the third opening 111 may be the same as or different from the shape of the first opening 121.

[0082] In some examples, the projected profile of the third opening 111 refers to the projection of the edge of the receiving portion 110 that surrounds and forms the third opening 111; the projected profile of the first opening 121 refers to the projection of the edge of the body portion 120 that surrounds and forms the first opening 121.

[0083] In some examples, the projected outline of the third opening 111 is completely within the projected outline of the first opening 121, that is, the first opening 121 can cover the third opening 111; in another example, part of the projected outline of the third opening 111 is within the projected outline of the first opening 121, and the other part is outside the projected outline of the first opening 121.

[0084] Reference Figure 6 , Figure 7 and Figure 8 In some embodiments of this application, the dust removal device further includes an energy absorption component 300, which includes at least one energy absorption element (e.g., a first energy absorption element 30a or a second energy absorption element 30b) connected to the substrate 100; the energy absorption element has a first surface 323, which is at least used to abut against the welding assembly 700 along the first direction Z, and the energy absorption element is capable of absorbing vibration energy.

[0085] In the technical solution of this application embodiment, the dust removal device is provided with an energy absorption component 300. The energy absorption component 300 includes an energy absorption element connected to the base 100. The first surface 323 of the energy absorption element can at least abut against the welding assembly 700 along the first direction Z. On the one hand, the energy absorption element can absorb vibration energy through the abutment of the first surface 323, thereby reducing the vibration of the non-welding area of ​​the welding assembly 700 and reducing the possibility of debris splashing due to vibration. On the other hand, the energy absorption element can also limit the welding assembly 700 through the first surface 323, improving the positioning accuracy of the welding assembly 700 so that the welding position is more accurate.

[0086] In some examples, the energy-absorbing assembly 300 may include one or more energy-absorbing elements (e.g., a first energy-absorbing element 30a or a second energy-absorbing element 30b), and the multiple energy-absorbing elements may correspond to the same or different surface settings of the assembly 700 to be welded.

[0087] In some examples, the energy absorber absorbs energy through deformation. The energy absorber is configured as an elastic deformation member. The energy absorber may be made of an elastic damping material, and / or the energy absorber may be configured as an elastic structure such as a spring or leaf spring.

[0088] In some examples, at least part of the energy-absorbing element is made of a damping material, which can be a material with a loss factor tanδ greater than or equal to 0.2, such as silicone or butyl rubber. This material has good energy absorption, temperature resistance, wear resistance and long service life.

[0089] It should be noted that the energy-absorbing component can be made entirely of damping material, or part of the energy-absorbing component can be made of rigid material and the other part of the energy-absorbing component can be made of damping material. The part of the energy-absorbing component made of damping material can be in contact with the component to be welded 700.

[0090] In some examples, the first surface 323 is the surface of the energy absorber facing the component 700 to be welded. The first surface 323 can be a plane or an arc surface, and the shape of the first surface 323 can be adapted to the shape of the surface that contacts the component 700 to be welded.

[0091] Reference Figure 9 , Figure 10 and Figure 11 In some embodiments of this application, the energy-absorbing component includes a support 310 and a buffer 320. The support 310 is connected to the base 100, and the buffer 320 is connected to the support 310 and forms a first surface 323. The rigidity of the buffer 320 is less than that of the support 310.

[0092] In the technical solution of this application embodiment, the energy-absorbing component is provided with a support body 310 and a buffer body 320. The support body 310 is connected to the base 100, which has good structural rigidity and connection stability. The buffer body 320 is connected to the support body 310 and forms a first surface 323. On the one hand, the buffer body 320 with less rigidity contacts the component to be welded 700 to avoid damaging the component to be welded 700. On the other hand, the buffer body 320 with better energy absorption effect is close to the component to be welded 700, which can better absorb vibration energy.

[0093] In some examples, the energy-absorbing element is configured as a gradient damping composite layer, including a bottom layer formed by a rigid support 310 and a contact layer formed by a damping buffer 320. The material of the support 310 can be aluminum alloy (e.g., 6061 alloy) or engineering plastic (Polyoxymethylene, POM) to have better stiffness. The buffer 320 is configured as silicone or butyl rubber to have better damping characteristics.

[0094] In some examples, the buffer 320 and the support 310 can be fixed together by welding, bonding, snap-fitting, threaded connection, riveting or fastener connection. For example, the energy-absorbing component is processed by milling grooves in the rigid support 310 to embed the buffer 320.

[0095] In some examples, the thickness of the buffer body 320 (the dimension along the first direction Z) is larger, which has a better buffering and energy absorption effect. The thickness of the buffer body 320 is smaller, so that the structure of the energy absorption component is more stable, less prone to shaking, and has higher precision.

[0096] In some examples, the thickness of the buffer 320 is set to any value within the range of 2 mm or greater and 6 mm or less to achieve excellent vibration damping performance. Specifically, the thickness of the buffer 320 can be set to be greater than or equal to 2 mm and less than or equal to 4 mm, for example, 2.0 mm, 2.5 mm, 3.0 mm, 3.5 mm, or 4.0 mm. Alternatively, the thickness of the buffer 320 can be set to be greater than or equal to 4 mm and less than or equal to 6 mm, for example, 4.0 mm, 4.5 mm, 5.0 mm, 5.5 mm, or 6.0 mm.

[0097] Reference Figure 9 and Figure 11 In some embodiments of this application, the support body 310 is provided with a limiting groove 311, and the buffer body 320 includes an energy-absorbing part 321 and a connecting part 322. The energy-absorbing part 321 is disposed on the side of the support body 310 away from the base body 100, and the connecting part 322 extends into the limiting groove 311, and the connecting part 322 at least abuts against the inner wall of the limiting groove 311 along the first direction Z.

[0098] In the technical solution of this application embodiment, the support body 310 is provided with a limiting groove 311, and the buffer body 320 includes an energy-absorbing part 321 and a connecting part 322. The energy-absorbing part 321 is disposed on the side of the support body 310 away from the base body 100 so that the energy-absorbing part 321 can face the component to be welded 700. The connecting part 322 extends into the limiting groove 311 and abuts against the inner wall of the limiting groove 311 at least along the first direction Z so that the support body 310 and the buffer body 320 can achieve limiting through snap-fit ​​cooperation, which has good connection stability and facilitates the transmission of vibration.

[0099] In some examples, the buffer body 320 and the support body 310 can be configured as a non-removable integrated structure or as a detachable structure. For example, the buffer body 320 and the support body 310 are snapped together by the limiting groove 311 and the connecting part 322. The buffer body 320 can be disassembled and replaced relative to the support body 310 in order to replace the worn buffer body 320, or to replace the buffer body 320 with a different model in order to adapt to the welding assembly 700 with a different structure.

[0100] In some examples, the energy-absorbing part 321 is disposed on the side of the support body 310 near the component to be welded 700, and the side of the energy-absorbing part 321 away from the support body 310 forms a first surface 323. The energy-absorbing part 321 can cover the support body 310 along the first direction Z. The connecting part 322 is connected to the middle part of the energy-absorbing part 321, and the connecting part 322 extends into the limiting groove 311 to achieve limiting.

[0101] In some examples, the third direction Y and the second direction X are perpendicular to the first direction Z, and the third direction Y and the second direction X have an acute angle, a right angle or an obtuse angle. The connecting part 322 and the inner wall of the limiting groove 311 abut against and limit each other along the first direction Z and the second direction X, respectively.

[0102] In some examples, the limiting groove 311 includes an inner groove body and a groove opening, the groove opening and the inner groove body are connected, the dimension of the groove opening along the second direction X is smaller than the dimension of the inner groove body along the second direction X, the two ends of the limiting groove 311 along the third direction Y are through-type, and the connecting part 322 is assembled into the limiting groove 311 along the third direction Y. Alternatively, for example, due to the elastic deformation characteristics of the buffer body 320, the connecting part 322 is inserted into the inner groove body through the groove opening.

[0103] Reference Figure 6 , Figure 7 and Figure 8 In some embodiments of this application, the energy-absorbing component 300 includes at least two first energy-absorbing elements 30a, which are disposed on opposite sides of the first opening 121, and the relative arrangement direction of the at least two first energy-absorbing elements 30a is at an angle to the orientation of the second opening 131.

[0104] In the technical solution of this application embodiment, the energy absorption component 300 is provided with at least two first energy absorption elements 30a. The at least two first energy absorption elements 30a are arranged on opposite sides of the first opening 121, and the structure is symmetrical so that the energy absorption effect is more balanced. The relative arrangement direction of the at least two first energy absorption elements 30a is at an angle to the orientation of the second opening 131, which reduces the interference of the first energy absorption elements 30a on the second opening 131, so that the first energy absorption elements 30a and the second opening 131 can each play a good role.

[0105] In some examples, at least two first energy-absorbing elements 30a are symmetrically arranged on opposite sides of the first opening 121. For example, the two first energy-absorbing elements 30a are symmetrically arranged along the second direction X about the central axis of the first opening 121, and the two first energy-absorbing elements 30a are opposite each other along the second direction X. The axis of the second opening 131 is arranged along the third direction Y, and the relative direction of the two first energy-absorbing elements 30a is perpendicular to the axis of the second opening 131.

[0106] In some examples, at least two first energy-absorbing elements 30a include a first pressure block and a second pressure block, which are respectively located at the bottom of the substrate 100 (on the side facing the assembly to be welded 700), the first pressure block is located on the left side of the first opening 121, and the second pressure block is located on the right side of the first opening 121. The bottoms (first surface 323) of the first pressure block and the second pressure block are flush.

[0107] In some examples, before the welding head 600 presses down on the contact tab 720, the first surface 323 of the first pressing block and the first surface 323 of the second pressing block contact the tab 720 and press it down. The first pressing block and the second pressing block cooperate to block the vibration. Under the premise of not damaging the tab 720, the vibration energy transmitted from the soldering area is absorbed, and harmful vibrations outside the soldering area are suppressed or reduced.

[0108] Reference Figure 6 , Figure 7 and Figure 8 In some embodiments of this application, the energy-absorbing component 300 includes a second energy-absorbing element 30b, which is disposed opposite to the second opening 131; the first energy-absorbing element 30a, the second energy-absorbing element 30b, and the second opening 131 form an enclosing structure for the welding head 600.

[0109] In the technical solution of this application embodiment, the energy-absorbing component 300 includes a second energy-absorbing element 30b. The second energy-absorbing element 30b is disposed opposite to the second opening 131, so that the first energy-absorbing element 30a, the second energy-absorbing element 30b and the second opening 131 form an enclosing structure, thereby enclosing the periphery of the welding head 600. This arrangement can block the possible splash escape path of debris in all directions and greatly reduce the adverse effects of debris.

[0110] In some examples, the first opening 121 is located inside the second energy-absorbing element 30b and the two first energy-absorbing elements 30a (first pressure block and second pressure block). The space on the outer periphery of the welding head 600 (the cavity of the receiving part 110) is connected to the first opening 121. The first opening 121 is connected to the airflow generator. During welding, the welding teeth of the welding head 600 contact the electrode tab 720 and vibrate. The first opening 121 can capture welding slag and other debris, thereby improving dust removal efficiency.

[0111] In some examples, the second opening 131 is located on the opposite side of the second energy-absorbing element 30b, and also corresponds to the opposite side of the cut edge of the tab 720. The second opening 131 is set for the cut edge of the tab 720. The width of the second opening 131 (the dimension along the second direction X) can be greater than, less than or equal to the width of the tab 720. The cross-sectional shape of the second opening 131 is square. The second opening 131 can capture the debris loosened by the cut edge of the tab 720 during ultrasonic welding vibration, reducing the possibility of debris entering the inside of the cell.

[0112] In some examples, the second energy absorber 30b is located at the bottom of the substrate 100 and between the first pressure block and the second pressure block (two first energy absorbers 30a). The second energy absorber 30b is located on the opposite side of the second opening 131. Before the welding head 600 presses down to contact the tab 720, the bottom plane (first surface 323) of the second energy absorber 30b contacts and presses down on the tab 720, thus blocking vibration together with the two first energy absorbers 30a. Under the premise of not damaging the tab 720, it absorbs the vibration energy transmitted from the soldering area and suppresses or reduces harmful vibrations outside the soldering area.

[0113] Reference Figure 6 , Figure 7 and Figure 10 In some embodiments of this application, the first surface 323 of the second energy absorber 30b and the first surface 323 of the first energy absorber 30a have a height difference along the first direction Z, so that the first energy absorber 30a or the second energy absorber 30b forms a clearance space.

[0114] In the technical solution of this application embodiment, the first surface 323 of the second energy-absorbing component 30b and the first surface 323 of the first energy-absorbing component 30a have a height difference along the first direction Z, so that the second energy-absorbing component 30b can form an avoidance space, thereby avoiding the structure of the component 700 to be welded, improving the adaptability of the energy-absorbing component 300, so as to meet different welding requirements.

[0115] In some examples, the height difference between the second energy absorber 30b and the first energy absorber 30a can be such that the first surface 323 of the second energy absorber 30b is closer to the substrate 100, and the second energy absorber 30b forms a clearance space. Alternatively, the first surface 323 of the first energy absorber 30a is closer to the substrate 100, and the second energy absorber 30b forms a clearance space. The clearance space can avoid the protrusions or chamfered structures of the component to be welded 700.

[0116] In some examples, the first surface 323 of the second energy absorber 30b is closer to the substrate 100 than the first surface 323 of the first energy absorber 30a, the bottom surface of the second energy absorber 30b is higher than the bottom surface of the first energy absorber 30a, and the height difference between the first surface 323 of the second energy absorber 30b and the first surface 323 of the first energy absorber 30a along the first direction Z is set to any value within the range of greater than or equal to 1 mm and less than or equal to 3 mm. For example, the height difference can be 1.0 mm, 1.5 mm, 2.0 mm, 2.5 mm or 3.0 mm, etc., in order to meet the avoidance requirements.

[0117] Reference Figure 1 , Figure 2 and Figure 11 In some embodiments of this application, the substrate 100 includes a body portion 120 and a channel portion 140, the channel portion 140 extending in a direction away from the first opening 121; the dust removal channel includes a dust removal chamber 122 and a connecting flow channel (e.g., a first flow channel 141 or a second flow channel 142), the dust removal chamber 122 being located in the body portion 120, the connecting flow channel being located in the channel portion 140, and the channel portion 140 being used to connect to an airflow generator.

[0118] In the technical solution of this application embodiment, the substrate 100 includes a body portion 120 and a channel portion 140. The channel portion 140 extends in a direction away from the first opening 121 in order to reduce the space occupied by the channel portion 140 near the first opening 121 and facilitate the channel portion 140 to connect to the airflow generator. The body portion 120 is provided with a dust removal chamber 122 for dust removal channels so that different flow channels converge in the dust removal chamber 122, which facilitates the centralized processing of debris.

[0119] In some examples, the channel portion 140 may extend along the first direction Z. For example, both the channel portion 140 and the extension portion 130 extend along the first direction Z and are far apart from each other. The channel portion 140 may be configured as one or more. For example, the substrate 100 includes two channel portions 140, which are arranged opposite each other along the second direction X.

[0120] In some examples, the dust removal chamber 122 is a chamber structure enclosed by the main body 120. The cavity of the connecting channel, the first opening 121, the second opening 131 and the receiving part 110 are all connected to the dust removal chamber 122. The dust removal chamber 122 can extend to the extension 130 to form the second opening 131. Part of the structure of the receiving part 110 is located inside the dust removal chamber 122.

[0121] In some examples, the connecting channels of the two channel sections 140 are a first channel 141 and a second channel 142, respectively. The first channel 141 is located on the left side of the dust removal chamber 122. One end of the first channel 141 is connected to the dust removal chamber 122, the first opening 121 and the second opening 131, and the other end of the first channel 141 is connected to the airflow generator. The second channel 142 is located on the right side of the dust removal chamber 122. One end of the second channel 142 is connected to the dust removal chamber 122, the first opening 121 and the second opening 131, and the other end of the second channel 142 is connected to the airflow generator. Welding slag or debris captured by the first opening 121 and / or the second opening 131 can be recovered through the first channel 141 and the second channel 142.

[0122] Reference Figure 1 , Figure 2 and Figure 7 In some embodiments of this application, the dust removal device further includes a mounting member 200, which is used to connect to an external support structure. The mounting member 200 is connected to the main body 120 and the channel 140 respectively.

[0123] The technical solution of this application embodiment, by setting the mounting part 200, facilitates the connection between the welding device and the external support structure. The mounting part 200 is connected to the main body 120 and the channel part 140 respectively, so that the mounting part 200 can be stably connected to the base 100, thereby improving the stability of the installation.

[0124] In some examples, the mounting component 200 is used to mount the dust removal device to an external support structure, which may be a robotic arm that mounts the welding head 600, or it may be a structure that is connected to the base 500 in the welding equipment.

[0125] It should be noted that the mounting component 200 can be a block structure, a plate structure or a rod structure. For example, the mounting component 200 is set as a plate structure, the mounting component 200 extends perpendicular to the first direction Z, and the mounting component 200 has a mounting hole 210. Fasteners pass through the mounting hole 210 and are detachably connected to the support structure.

[0126] In some examples, the dust removal device is provided with two mounting members 200, which correspond to two channel portions 140 respectively. The mounting members 200, channel portions 140, body portion 120 and extension portion 130 can be configured as an integral structure. The two mounting members 200 are located on both sides of the receiving portion 110 and play a fixing and limiting role. The mounting members 200 can be made of metal materials, such as SUS304 steel.

[0127] Reference Figure 4In some embodiments of this application, the dust removal device further includes a fixing member 400, which is used to limit the component 700 to be welded; a receiving space is enclosed between the fixing member 400 and the component 700 to be welded, and at least a portion of the base 100 is located within the receiving space.

[0128] The technical solution of this application embodiment provides a fixing member 400, which can limit the component 700 to be welded so as to fix the component 700 to be welded and facilitate welding. The fixing member 400 and the component 700 to be welded enclose a receiving space. The receiving part 110 of the receiving space divides the base 100 so that the base 100 and the fixing member 400 have good positional accuracy and a compact structure with little space occupation.

[0129] In some examples, the fastener 400 can be connected to the support structure of the welding equipment, and the fastener 400 is used to limit the position of the assembly 700 to be welded. For example, the fastener 400 can limit the relative position of the body 710 and the tab 720, reducing the possible displacement of the tab 720 during welding. The fastener 400 can be a block structure or a plate structure.

[0130] In some examples, the fastener 400 is a block structure. The fastener 400 serves to limit the edge of the tab 720, reducing the possibility of the tab 720 shifting position during welding. The fastener 400 can be made of non-metallic materials, such as engineering plastics like polyether ether ketone (PEEK).

[0131] Reference Figure 4 In some embodiments of this application, the fastener 400 includes a limiting portion 410 and an expanding portion 420. The limiting portion 410 is used to limit the assembly 700 to be welded, and the expanding portion 420 is located between the two limiting portions 410, and the expanding portion 420 is recessed in a direction away from the substrate 100.

[0132] In the technical solution of this application embodiment, the fastener 400 is provided with a limiting part 410 and an outward expansion part 420. The limiting part 410 abuts against and limits the component 700 to be welded, so as to fix the component 700 to be welded. The outward expansion part 420 is disposed between the two limiting parts 410. The outward expansion part 420 is recessed inward in the direction away from the base 100 to form a receiving space. The structure is simple and easy to adapt to the contour of the base 100.

[0133] In some examples, the limiting part 410 can be set as two, with the two limiting parts 410 located at both ends of the expansion part 420 along the second direction X. The limiting part 410 can also be provided with a connecting hole, which is connected to the support structure of the welding equipment. The side of the limiting part 410 parallel to the plane where the second opening 131 is located is set as the limiting surface of the limiting tab 720.

[0134] In some examples, the fastener 400 may have a U-shaped outward expansion structure in the middle, that is, the outward expansion 420 is bent into a protruding structure, and a receiving groove is formed on the inner side of the outward expansion 420 so as to accommodate the structure of the dust removal device such as the substrate 100 in a limited space.

[0135] Reference Figure 4 and Figure 5 In some embodiments of this application, the welding equipment includes a base 500, a welding assembly, and a dust removal device according to embodiments of this application. The base 500 is used to support the assembly 700 to be welded; the welding assembly is used to weld the assembly 700; and the base 100 of the dust removal device is connected to the base 500.

[0136] In the technical solution of this application embodiment, the base 500 provides an installation foundation for the welding assembly and the dust removal device. The dust removal device is provided with a first opening 121 and a second opening 131 at an angle, which can carry out dust removal from multiple directions and has a high dust removal efficiency, effectively improving the removal effect of debris and reducing the adverse effects of debris on the welding assembly 700.

[0137] In some examples, the base 500 is disposed on the underside of the component to be welded 700. The base 500 is used to support the component to be welded 700. When the energy-absorbing element abuts against the component to be welded 700, the first energy-absorbing element 30a, the second energy-absorbing element 30b and the base 500 can clamp and fix the component to be welded 700 along the first direction Z.

[0138] In some examples, the welding head 600 can move relative to the base 500. During welding, the welding head 600 moves downward and approaches the welding seat. The welding head 600 and the welding seat work together to complete the welding of the tab 720 and the main body 710. The welding seat is located directly below the welding head 600. During welding, the welding seat moves upward and approaches the welding head 600. The welding seat works in conjunction with structures such as the first energy-absorbing element 30a and the second energy-absorbing element 30b to provide limiting and vibration reduction functions in order to complete the welding of the tab 720 and the main body 710.

[0139] In one possible embodiment of this application, the welding equipment is used to weld electrode assemblies, and the dust removal device of the welding equipment is an ultrasonic welding coaxial damping dust removal device, which includes a base 100, a mounting component 200, an energy absorption component 300, a fixing component 400, and other structures. The base 100 is provided with a dust removal channel, which includes a first opening 121 and a second opening 131 for capturing debris.

[0140] The receiving part 110 is coaxially arranged with the welding head 600, and the receiving part 110 completely surrounds the periphery of the welding head 600. The body part 120 adopts an asymmetrical structure with multiple openings and a double-connecting flow channel structure. The first opening 121 and the second opening 131 cover the welding mark and the cutting edge to the maximum extent, so as to capture the welding slag and cutting edge debris generated by the vibration of the welding tooth contact tab 720 of the welding head 600. In addition, the cutting edge debris that falls off due to welding vibration can also be adsorbed and captured by the asymmetrical first opening 121 and the second opening 131.

[0141] Furthermore, the outer side of the welding head 600 is pressed against the tab 720 from multiple directions by an energy-absorbing component 300. This blocks the transmission of vibration to the cutting edge of the tab 720 without hindering the vibration of the welding area, reducing the falling debris from the cutting edge and improving dust removal efficiency. Without damaging the tab 720, it simultaneously absorbs the vibration energy transmitted from the welding area, suppressing or reducing harmful vibrations outside the welding area and reducing vibrations at the cutting edge of the tab 720. This reduces debris from the cutting edge, ultimately significantly reducing the amount of welding slag or debris entering the interior of the main body 710, effectively improving the self-discharge phenomenon of the battery cells after processing.

[0142] The above description is merely a specific embodiment of this application, enabling those skilled in the art to understand or implement this application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of this application. Therefore, this application is not to be limited to the embodiments described herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A dust removal device, characterized in that, The dust removal device, used to assemble welding equipment, includes: The substrate is provided with a receiving portion and a dust removal channel, the receiving portion extending along a first direction to accommodate the welding head of the welding equipment; The dust removal channel is connected to the airflow generator. The dust removal channel includes a first opening and a second opening, both of which face the component to be welded. The axis of the first opening is along the first direction, and the axis of the second opening forms an angle with the axis of the first opening.

2. The dust removal device according to claim 1, characterized in that, The substrate includes a body portion and an extension portion, the first opening is disposed on the body portion, and the extension portion protrudes relative to the body portion along the first direction; The extension has a second opening on the side near the first opening, and the first opening and the second opening face different surfaces of the component to be soldered.

3. The dust removal device according to claim 1, characterized in that, The receiving portion is configured as a surrounding structure, and the receiving portion surrounds the outer periphery of the welding head.

4. The dust removal device according to claim 3, characterized in that, The receiving portion is provided with a third opening through which the welding head passes; Projecting along the first direction toward the same projection plane, the projection outline of the third opening is at least partially located within the projection outline of the first opening.

5. The dust removal device according to any one of claims 1-4, characterized in that, The dust removal device further includes an energy absorption component, which includes at least one energy absorption element connected to the substrate; The energy-absorbing element has a first surface, which is at least used to abut against the component to be welded along the first direction, and the energy-absorbing element is capable of absorbing vibration energy.

6. The dust removal device according to claim 5, characterized in that, The energy-absorbing component includes a support body and a buffer body. The support body is connected to the base body, and the buffer body is connected to the support body and forms the first surface. The rigidity of the buffer body is less than that of the support body.

7. The dust removal device according to claim 6, characterized in that, The support body has a limiting groove, and the buffer body includes an energy-absorbing part and a connecting part. The energy-absorbing part is located on the side of the support body away from the base body, and the connecting part extends into the limiting groove, and the connecting part at least abuts against the inner wall of the limiting groove along the first direction.

8. The dust removal device according to claim 5, characterized in that, The energy-absorbing assembly includes at least two first energy-absorbing elements, which are disposed on opposite sides of the first opening, and the relative arrangement direction of the at least two first energy-absorbing elements forms an angle with the orientation of the second opening.

9. The dust removal device according to claim 8, characterized in that, The energy-absorbing component includes a second energy-absorbing element, which is disposed opposite to the second opening; The first energy-absorbing element, the second energy-absorbing element, and the second opening form an enclosure structure that surrounds the welding head.

10. The dust removal device according to claim 9, characterized in that, The first surface of the second energy absorber and the first surface of the first energy absorber have a height difference along the first direction, so that the first energy absorber or the second energy absorber forms a clearance space.

11. The dust removal device according to any one of claims 1-4, characterized in that, The substrate includes a body portion and a channel portion, the channel portion extending in a direction away from the first opening; The dust removal channel includes a dust removal chamber and a connecting flow channel. The dust removal chamber is located in the main body, and the connecting flow channel is located in the channel section. The channel section is used to connect to the airflow generator.

12. The dust removal device according to claim 11, characterized in that, The dust removal device also includes an installation component for connecting to an external support structure. The installation component is connected to the main body and the channel section respectively.

13. The dust removal device according to any one of claims 1-4, characterized in that, The dust removal device also includes a fixing component, which is used to limit the component to be welded. A receiving space is enclosed between the fixing member and the component to be welded, and at least a portion of the substrate is located within the receiving space.

14. The dust removal device according to claim 13, characterized in that, The fastener includes a limiting part and an expanding part. The limiting part is used to limit the component to be welded. The expanding part is located between the two limiting parts and is recessed inward in a direction away from the substrate.

15. A welding device, characterized in that, include: A base for supporting the components to be welded; A welding assembly for welding the assembly to be welded; The dust removal device according to any one of claims 1-14, wherein the base of the dust removal device is connected to the base.

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