Welding device

By designing welding equipment with synchronous and dislocation rotational states, the existing welding equipment has been solved, and an efficient and low-cost welding process is achieved, which is suitable for large-scale production in battery manufacturing.

WO2025112457A1PCT designated stage expired Publication Date: 2025-06-05SHENZHEN HYMSON LASER INTELLIGENT EQUIP CO LTD
View PDF 7 Cites 0 Cited by

Patent Information

Application Number
PCT/CN2024/099629
Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
Priority Date
2023-12-01
Filing Date
2024-06-17
Publication Date
2025-06-05

AI Technical Summary

Technical Problem

Existing welding equipment is inefficient and costly in battery manufacturing, and it is difficult to transport workpieces simultaneously during welding, which limits the expansion of production lines and the improvement of welding quality.

Method used

A welding device is designed, including a rotating assembly and a working assembly, which rotates about the rotation axis, and a workpiece is installed on the vehicle. The working assembly has a synchronous and dislocated rotation state, which can follow the movement of the rotating assembly to achieve efficient welding, and adjust the position through dislocated rotation to prepare for the next welding.

Benefits of technology

It improves welding efficiency, reduces costs, simplifies control, is suitable for expanding the scale of the production line and improves welding quality.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN2024099629_05062025_PF_FP_ABST
    Figure CN2024099629_05062025_PF_FP_ABST
Patent Text Reader

Abstract

A welding device (100) used for machining workpieces (200) and comprising a rotating assembly (110) and a working assembly (120). The rotating assembly is configured to be capable of rotating about a rotation axis (L) and comprises a plurality of carriers (111) arranged around the rotation axis, wherein the carriers are suitable for mounting a plurality of workpieces in a one-to-one correspondence mode. The working assembly is configured to be capable of rotating about the rotation axis and comprises first working portions (121), wherein the first working portions are used for welding the workpieces; when the working assembly is in a first state, the working assembly is configured to synchronously rotate with the rotating assembly so as to weld the workpieces; and when the working assembly is in a second state, the working assembly is configured to rotate relative to the rotating assembly in a staggered mode, so as to adjust the position of the working assembly relative to the rotating assembly, such that the first working portions are suitable for starting welding. In the welding device, the rotating relationship between the working assembly and the rotating assembly can be flexibly adjusted during machining such that follow-up welding can be achieved, thereby improving the welding quality while saving costs.
Need to check novelty before this filing date? Find Prior Art

Description

welding equipment

[0001] This application claims priority to Chinese patent application No. 202311655588.X filed on December 1, 2023, the entire contents of which are incorporated by reference into this application. Technical Field

[0002] The present application relates to the field of welding manufacturing, and in particular to a welding device. Background Art

[0003] Currently, in the battery manufacturing process, various types of processing are required on the battery cells, such as welding of collector plates. At the same time, dust removal equipment is required around the processing locations to keep the area around the welding equipment and the battery cells clean. Taking welding operations as an example, when a turntable is used to transport multiple workpieces, the traditional welding method uses a single welding device to weld the workpieces on multiple stations in sequence. This welding method has low welding efficiency and cannot transport the workpieces while welding. Alternatively, multiple welding devices are used to weld one by one at multiple stations. This welding method uses multiple welding devices, which results in high costs and cumbersome control, making it difficult to expand the scale of the production line. Therefore, as the application scope of lithium batteries increases, the market also urgently needs battery manufacturers to provide more welding devices with different structures and working methods to meet the welding needs of collector plates at the ends of batteries. Technical issues

[0004] The main purpose of this application is to provide a welding device that can save costs while improving welding quality. Technical Solutions

[0005] To achieve the above objectives, the embodiments of the present application adopt the following technical solutions:

[0006] A welding device is used for processing a workpiece. The welding device comprises a rotating component and a working component.

[0007] The rotating assembly is configured to rotate around a rotating axis, and the rotating assembly includes a plurality of carriers arranged around the rotating axis, each carrier being suitable for mounting a plurality of workpieces in a one-to-one correspondence; and

[0008] The working group is located on a side of each workpiece away from its corresponding carrier along a first direction, the first direction is parallel to the rotation axis, the working assembly is configured to be able to rotate around the rotation axis, the working assembly includes a first working portion, and the first working portion is used to weld the workpiece;

[0009] Among them, the working component has a first state and a second state. When the working component is in the first state, the working component is configured to rotate synchronously with the rotating component to weld the workpiece. When the working component is in the second state, the working component is configured to rotate offset relative to the rotating component to adjust the position of the working component relative to the rotating component so that the first working part is suitable for starting welding.

[0010] In some embodiments, the welding equipment also includes a shaft body, the rotating component is configured to rotate relative to the shaft body, the central axis of the shaft body coincides with the rotation axis, the working component extends radially along the rotation axis, and along the radial direction of the rotation axis, one end of the working component is connected to the shaft body, and the other end is provided with a first working part.

[0011] In some embodiments, the welding device further includes a driving assembly configured to drive the working assembly to rotate about the rotation axis.

[0012] In some embodiments, the working component has a first position and a second position. When the working component is in the first position, the working component is in a first state and the driving component is configured to drive the working component so that the working component and the rotating component rotate synchronously. After the working component moves to the second position, the driving component is configured to drive the working component to rotate to the first position.

[0013] In some embodiments, when the working assembly is in the first state, the driving assembly is configured to drive the working assembly to rotate along a first circumferential direction; when the working assembly is in the second state, the driving assembly is configured to drive the working assembly to rotate in the opposite direction of the first circumferential direction.

[0014] In some embodiments, the working assembly further includes a second working portion, which is used to clean the cleaning objects. Along the first direction, the second working portion is located on a side of the first working portion close to each carrier.

[0015] In some embodiments, the second working part has a first opening, the first opening is used to absorb cleaning materials, the first working part is configured to emit laser along a motion trajectory so that the laser is suitable for processing workpieces, the first plane is perpendicular to the first direction, the orifice edge of the first opening is projected on the first plane as the first projection, the orthographic projection of the motion trajectory on the first plane is the second projection, and the first projection surrounds the second projection so that the laser can pass through the first opening.

[0016] In some embodiments, the working assembly is provided with a plurality of first working parts and a plurality of second working parts, and along the first direction, each first working part and each second working part are arranged in a one-to-one correspondence.

[0017] In some embodiments, the welding equipment also includes a first sensor, which is connected to a working component. Each carrier includes a first carrier and a second carrier. The second carrier includes an adjustment component. The first carrier and the second carrier are arranged adjacent to each other along the circumference of the rotation axis. When the working component is in the first state, the first working part is suitable for processing the workpiece mounted on the first carrier. The first sensor is configured to detect the distance between the workpiece mounted on the second carrier and the first sensor along the first direction, and send an adjustment signal to the adjustment component of the second carrier. The adjustment component drives the second carrier in response to the adjustment signal to adjust the distance between the second carrier and the first sensor along the first direction; after the working component switches from the second state to the first state, the first working part is suitable for processing the workpiece mounted on the second carrier.

[0018] An embodiment of the second aspect of the present application further provides a welding device for processing a workpiece, the welding device including a rotating component and a working component.

[0019] The rotating assembly is configured to rotate about a rotation axis, the rotating assembly includes a plurality of carriers arranged about the rotation axis, each carrier is suitable for mounting a plurality of workpieces in a one-to-one correspondence, one of the carriers is a first carrier, and one of the workpieces is a first workpiece; and

[0020] The working assembly is located on a side of the workpiece away from each carrier along a first direction, the first direction being parallel to the rotation axis, the working assembly being configured to rotate about the rotation axis, the working assembly including a second working portion, the second working portion being used to clean the cleaning object;

[0021] Among them, the working component has a first state and a second state. When the working component is in the first state, the working component is configured to rotate synchronously with the rotating component. When the working component is in the second state, the working component is configured to rotate in an offset manner relative to the rotating component, so that the second working part is suitable for starting to clean the cleaning objects. Beneficial effects

[0022] Compared with the prior art, the present invention has the following advantages:

[0023] When welding is required on a workpiece, the working component can rotate during the welding process to follow the movement of the rotating component, thereby achieving the effect of follow-up welding. When one welding is completed, the working component can adjust its position by rotating in an offset manner with the rotating component to prepare for the next welding operation. Compared with the setting of a single welding device welding in sequence in the prior art, the processing efficiency of the present application is higher; compared with the setting of a welding device corresponding to each workstation in the prior art, the processing cost of the present application is lower and the control is simple. Therefore, the welding equipment of the present application can flexibly adjust the rotation relationship between the working component and the rotating component during the processing to achieve follow-up welding, which saves costs and is conducive to improving welding quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying any creative work.

[0025] FIG1 is a schematic diagram of the positions of the rotating assembly and the working assembly after being combined, according to the first embodiment of the present application; wherein the working assembly is in a first state and located in a first position, the solid arrow indicates the direction of movement of the rotating assembly, and the dotted arrow indicates the direction of movement of the working assembly;

[0026] FIG2 is a schematic diagram of the positions of the rotating assembly and the working assembly after being combined according to the first embodiment of the present application; wherein the working assembly is in the second state and located in the second position, the solid arrow indicates the direction of movement of the rotating assembly, and the dotted arrow indicates the direction of movement of the working assembly;

[0027] FIG3 is a perspective schematic diagram of a first side of a welding device provided in a first embodiment of the present application;

[0028] FIG4 is a schematic perspective diagram of a second side of the welding device provided in the first embodiment of the present application;

[0029] FIG5 is a partial enlarged schematic diagram of point A in FIG4 ;

[0030] FIG6 is a perspective schematic diagram of the combined working assembly and driving assembly provided in the first embodiment of the present application;

[0031] FIG7 is a side view schematic diagram of the combination of the working component and the driving component provided in the first embodiment of the present application.

[0032] Description of Figure Numbers:

[0033] 100-Welding equipment;

[0034] 110 - Rotational assembly; 111 - Carrier; 1111 - First carrier; 1112 - Second carrier; 1113 - Adjustment assembly;

[0035] 120-working assembly; 121-first working part; 122-second working part; 1221-first opening;

[0036] 130-axis;

[0037] 140- drive assembly;

[0038] 150 - first sensor;

[0039] 200-workpiece;

[0040] L-rotation axis;

[0041] X-first direction;

[0042] P1 - first position;

[0043] P2 - second position;

[0044] M-first plane.

[0045] The realization of the objectives, functional features and advantages of this application will be further explained in conjunction with embodiments and with reference to the accompanying drawings. Modes for Carrying Out the Invention

[0046] The following will be combined with the drawings in the embodiments of this application to clearly and completely describe the technical solutions in the embodiments of this application. Obviously, the embodiments described are only part of the embodiments of this application, not all of the embodiments. Based on the embodiments of this application, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of this application.

[0047] It should be noted that if the embodiments of the present application involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture. If the specific posture changes, the directional indications will also change accordingly.

[0048] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the present application, the descriptions of "first", "second", etc. are only for descriptive purposes and cannot be understood as indicating or suggesting their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited to "first" and "second" may explicitly or implicitly include at least one of such features. In addition, if "and / or", "and / or" or "and / or" appear in the full text, its meaning includes three parallel schemes. Taking "A and / or B" as an example, it includes scheme A, or scheme B, or a scheme in which A and B are satisfied at the same time. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is mutually contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by this application.

[0049] Currently, in the battery manufacturing process, various types of processing are required on the battery cells, such as welding of collector plates. At the same time, dust removal equipment is required around the processing locations to keep the area around the welding equipment and the battery cells clean. Taking welding operations as an example, when a turntable is used to transport multiple workpieces, the traditional welding method mainly uses a single welding device to weld the workpieces on multiple stations in sequence. This welding method has low welding efficiency and cannot transport the workpieces while welding. Alternatively, multiple welding devices are used to weld one by one at multiple stations. This welding method uses multiple welding devices, which results in high costs and cumbersome control, making it difficult to expand the scale of the production line. Therefore, as the application scope of lithium batteries increases, the market also urgently needs battery manufacturers to provide more welding devices with different structures and working methods to meet the welding needs of collector plates at the ends of batteries.

[0050] In view of this, referring to FIG. 1 to FIG. 7 , an embodiment of the present application provides a welding device 100 for processing a workpiece 200 . The welding device 100 includes a rotating assembly 110 and a working assembly 120 .

[0051] Referring to Figures 1-2, the rotating assembly 110 is configured to rotate about a rotation axis L. Based on different processing requirements, the rotating assembly 110 can have any shape. It can be a regular shape (i.e., the distance between each position of the rotating assembly 110 along the circumference of the rotation axis L and the rotation axis L is equal) or an irregular shape (i.e., the distance between each position of the rotating assembly 110 along the circumference of the rotation axis L and the rotation axis L is unequal). For ease of description, the following embodiment uses the rotating assembly 110 as a disk, and the central axis of the disk coincides with the rotation axis L. Different embodiments can be combined with different technical solutions. The rotating assembly 110 includes multiple carriers 111 arranged about the rotation axis L. The spacing between each carrier 111 can be uniform or uneven depending on the transportation requirements. In addition, the shape and structure of each carrier 111 can be the same or different. Each carrier 111 is suitable for mounting multiple workpieces 200 in a one-to-one correspondence. The workpiece 200 may be any component. For example, in some embodiments, the workpiece 200 may be a battery cell. Thus, the welding device 100 of the present application may be used to weld the current collecting plate of the battery cell.

[0052] 3 to 5 , the working assembly 120 is located on a side of each workpiece 200 away from its corresponding carrier 111 along the first direction X. The first direction X is parallel to the rotation axis L. It can be understood that one end of any battery cell on which the welding equipment 100 is installed can be supported and connected by the carrier 111, and the other end can be directly opposite the working assembly 120, so that the working assembly 120 can process any battery cell. The working assembly 120 is configured to rotate around the rotation axis L. In some embodiments, the rotating assembly 110 and the working assembly 120 may not be connected to each other, and the two may be connected to different drive mechanisms respectively; in other embodiments, the rotating assembly 110 and the working assembly 120 may be connected to each other so that the two can rotate around the rotation axis L at the same time. For the specific rotation settings of the rotating assembly 110 and the working assembly 120, please refer to the following text.

[0053] The working assembly 120 includes a first working part 121, which is used to weld the workpiece 200. It can be understood that the first working part 121 is a component provided by the working assembly 120. When the workpiece 200 is a battery cell, the first working part 121 can be a galvanometer laser welding machine, and can be used to weld the collector plate of the battery cell. According to different processing needs, the first working part 121 can also be used to weld any parts, and pre-welding, full welding and other processes can be used. In order to make the processing of the working assembly 120 more efficient, referring to Figures 3 to 5, in some embodiments, the working assembly 120 may include multiple first working parts 121, wherein the multiple first working parts 121 can each correspond to a processing station, and the multiple first working parts 121 can also correspond to a processing station respectively. In order to adapt to different processing requirements, the working assembly 120 may also include other components to meet various types of processing needs.

[0054] 1-2 , the working assembly 120 has a first state and a second state. When the working assembly 120 is in the first state, the working assembly 120 is configured to rotate synchronously with the rotating assembly 110 to weld the workpiece 200. When the working assembly 120 is in the second state, the working assembly 120 is configured to rotate in a dislocated manner relative to the rotating assembly 110 to adjust the position of the working assembly 120 relative to the rotating assembly 110 so that the first working portion 121 is suitable for initiating welding. It should be noted that dislocated rotation of the working assembly 120 relative to the rotating assembly 110 indicates that the angular velocities of the two components are different (which can be different in magnitude or direction), while synchronized rotation indicates that the angular velocities of the two components are the same. From this, it can be understood that, on the one hand, the working component 120 can rotate synchronously with the rotating component 110. During this process, the working component 120 continues to be in a position suitable for welding the workpiece 200 (at this time, the working component 120 can be suitable for welding one workpiece 200, or it can be suitable for welding multiple workpieces 200 at the same time), that is, the first state can be a state corresponding to the process of the working component 120 welding the workpiece 200; on the other hand, the working component 120 can also rotate relative to the rotating component 110. Combined with the above description, the second state can correspond to the process of the working component 120 being driven to the position ready for the next welding operation after one welding is completed.

[0055] The staggered rotation of the working component 120 and the rotating component 110 indicates that during this process, the two are in a relative rotation relationship. Therefore, when the working component 120 is in the second state, relative to the ground, in one type of embodiment, the working component 120 and the rotating component 110 can both rotate, and the rotation speeds of the two are different; in another type of embodiment, the working component 120 may not rotate, and the rotating component 110 may rotate; in yet another type of embodiment, the working component 120 may rotate, and the rotating component 110 may not rotate.

[0056] According to the combination of the above embodiments, it can be seen that when the workpiece 200 needs to be welded, the working component 120 can rotate during the welding process to follow the movement of the rotating component 110, thereby achieving the effect of follow-up welding. When one welding is completed, the working component 120 can adjust its position by rotating in an offset manner with the rotating component 110 to prepare for the next welding operation. Compared with the setting of a single welding device welding in sequence in the prior art, the processing efficiency of the present application is higher; compared with the setting of a welding device corresponding to each workstation in the prior art, the processing form of the present application is low in cost and easy to control. Therefore, the welding equipment 100 of the present application can flexibly adjust the rotation relationship between the working component 120 and the rotating component 110 during the processing process to achieve follow-up welding, which saves costs and is conducive to improving welding quality.

[0057] 3-5 , in some embodiments, the welding apparatus 100 may further include a shaft 130 . The rotating assembly 110 is configured to rotate relative to the shaft 130 , with the central axis of the shaft 130 coinciding with the rotation axis L. It is understood that the rotating assembly 110 may be provided with an opening through which the shaft 130 may be inserted, and the shaft 130 may be spaced apart from the rotating assembly 110 so that the rotating assembly 110 can rotate independently. In some embodiments, the working assembly 120 extends radially relative to the rotation axis L. Along the radial direction of the rotation axis L, one end of the working assembly 120 is connected to the shaft 130 , and the other end is provided with a first working portion 121 . It is understood that the shaft 130 may be used to connect and support the working assembly 120 , and along the radial direction of the rotation axis L, the working assembly 120 may extend to a position suitable for processing the workpiece 200 . For example, referring to Figures 3-5, in some embodiments, the working assembly 120 can extend above the workpiece 200 and, along the first direction X, can be directly opposite the workpiece 200. That is, the working assembly 120 can be substantially coaxial with the workpiece 200. The above-described embodiment, through the arrangement of the shaft 130 and the working assembly 120, can facilitate adjustment of the radial extension distance of the working assembly 120 according to processing requirements, thereby making the working assembly 120 suitable for processing.

[0058] To enable the working assembly 120 to change its rotational state accordingly when in different states, as shown in Figures 6 and 7 , in some embodiments, the welding apparatus 100 may further include a drive assembly 140. Thus, the drive assembly 140 can be configured to drive the working assembly 120 to rotate about the rotation axis L. It will be appreciated that by using different drive modes for the working assembly 120, the drive assembly 140 can control the working assembly 120 to switch between the first and second states. For example, when the rotating assembly 110 is configured to rotate at a constant speed, the drive assembly 140 can be set to the same drive speed so that the working assembly 120 rotates synchronously with the rotating assembly 110. When offset rotation is required, the drive assembly 140 can be configured to drive the working assembly 120 in the opposite direction relative to the rotating assembly 110, or the speed can be adjusted to achieve offset rotation of the working assembly 120 and the rotating assembly 110. Specifically, in some embodiments, the drive assembly 140 can include an electric motor (a DD motor can be used to ensure high-precision transmission), a screw, a hydraulic lever, a cylinder, etc.

[0059] To facilitate monitoring and adjustment of the welding station and reduce the range of motion of the working assembly 120, in some embodiments, the working assembly 120 can be configured so that each synchronous rotation rotates to the same position relative to the ground during the first state, or can be configured so that each offset rotation rotates to the same position relative to the ground during the second state. Specifically, referring to Figures 1-2, in some embodiments, the working assembly 120 has a first position P1 and a second position P2. It will be understood that the first position P1 and the second position P2 are different positions of the working assembly 120 relative to the ground, which do not change with the rotation of the rotating assembly 110. Based on this, in some embodiments, referring to Figure 1, when the working assembly 120 is in the first position P1, the working assembly 120 is in the first state and the drive assembly 140 is configured to drive the working assembly 120 so that the working assembly 120 rotates synchronously with the rotating assembly 110. It is understood that when the working assembly 120 moves to the first position P1, the working assembly 120 can be switched to the first state, and the drive assembly 140 can begin to drive the working assembly 120 to rotate synchronously with the rotating assembly 110. At this point, it can be understood that the working assembly 120 has begun the welding operation. Referring to Figure 2, after the working assembly 120 moves to the second position P2, the drive assembly 140 is configured to drive the working assembly 120 to rotate back to the first position P1. It is understood that the second position P2 can represent the position where welding is completed. That is, when the working assembly 120 follows the rotating assembly 110 from the first position P1 to the second position P2, the workpiece 200 is welded. Thereafter, the drive assembly 140 can drive the working assembly 120 back to the first position P1 to start the next welding operation.

[0060] In order to enable the working component 120 to quickly return to the first position P1 when it moves to the second position P2, and the driving stroke is shorter, referring to Figures 1-2, in some embodiments, when the working component 120 is in the first state, the driving component 140 is configured to drive the working component 120 to rotate along the first circumferential direction, and when the working component 120 is in the second state, the driving component 140 is configured to drive the working component 120 to rotate in the opposite direction of the first circumferential direction.

[0061] In some embodiments, along the rotation trajectory of the rotating assembly 110, the working assembly 120 may sequentially pass through a first position P1 and a second position P2. Therefore, the first position P1 and the second position P2 can be set based on actual operational needs and welding requirements. For example, referring to Figures 3-5, in some embodiments, the angle between the center point of the first position P1 and the center point of the second position P2 relative to the rotation axis L can be less than or equal to 45°. This shortens the rotation distance of the rotating assembly 110, facilitates rapid resetting of the rotating assembly 110, and improves work efficiency. Furthermore, in some embodiments, the rotating assembly 110 can be configured to rotate at any angle, and the rotation angle of the rotating assembly 110 can be adjusted based on usage requirements. This arrangement allows the working assembly 120 to return to the first position P1 in the opposite direction after reaching the second position P2. The circumferential angle of movement of the working assembly 120 along the rotation axis L is relatively small, which helps reduce the time it takes for the working assembly 120 to return to the first position P1 and prevents interference during rotation.

[0062] To enable the working assembly 120 to change its rotational state, in other embodiments, a mechanical structure can be employed. Specifically, in other embodiments, the working assembly 120 can further include a locking mechanism. When the working assembly 120 is in a first state, the locking mechanism is configured to fixedly connect the working assembly 120 and the rotating assembly 110. When the working assembly 120 is in a second state, the locking mechanism is configured to provide a sliding connection between the working assembly 120 and the rotating assembly 110. Therefore, the locking mechanism can include a bearing, the inner ring of the bearing being connected to the working assembly 120, and the outer ring being connected to the rotating assembly 110. This arrangement can also achieve the effect of enabling the working assembly 120 to rotate synchronously with the rotating assembly 110, or to rotate offset from the rotating assembly 110.

[0063] Based on the description of the motion state of the working assembly 120 in the above embodiments, to further expand the functionality of the working assembly 120, in some embodiments, the working assembly 120 may further include a second working portion 122. The second working portion 122 is used to remove cleaning material. Based on the above functionality, the cleaning material may, for example, include dust, gas, solid particles, etc. In some embodiments, the second working portion 122 can be used for negative pressure suction to maintain the cleanliness of the area around the welding device 100 and the battery cells. Therefore, the second working portion 122 may be a dust removal device that can generate a suction effect by applying negative pressure. Referring to Figures 3-5, in some embodiments, along the first direction X, the second working portion 122 may be located on the side of the first working portion 121 near each carrier 111. In other words, along the first direction X, the rotating assembly 110, the workpiece 200, the second working portion 122, and the first working portion 121 may be arranged in sequence. As a result, the second working portion 122 can facilitate the absorption of cleaning material around the workpiece 200. To make the cleaning of the second working portion 122 more effective without hindering the processing of the workpiece 200 , in some embodiments, along the first direction X, the minimum distance between the second working portion 122 and the carrier 111 (or battery cell) may be 1 mm-2 mm.

[0064] Regarding the specific configuration of the second working section 122, to ensure that it does not interfere with the welding operation of the first working section 121, in some embodiments, the second working section 122 can be positioned outside the welding trajectory (which can be a motion trajectory or a laser trajectory) of the first working section 121. Referring to Figures 3-5 , in other embodiments, the second working section 122 can be positioned opposite the first working section 121. Thus, the second working section 122 can have a first opening 1221, which can be used to absorb cleaning material. Therefore, in some embodiments, the first opening 1221 can serve as an air intake for the second working section 122; in other embodiments, the first opening 1221 can be connected to the air intake of the second working section 122. The opening direction of the first opening 1221 can be parallel to the first direction X, and the opening direction of the air intake can intersect the opening direction of the first opening 1221. The first working section 121 can be configured to emit laser light along the motion trajectory, so that the laser light is suitable for processing the workpiece 200. For ease of description, a first plane M is defined as being perpendicular to the first direction X. The orthographic projection of the opening edge of the first opening 1221 on the first plane M is referred to as the first projection, and the orthographic projection of the motion trajectory on the first plane M is referred to as the second projection. In particular, in some embodiments, the first projection may surround the second projection to enable the laser to pass through the first opening 1221. It is understood that the second projection may be located within the first projection to ensure that the laser can always pass through the first opening 1221 during the process of laser irradiation and movement along the motion trajectory. The provision of the first opening 1221 allows the second working portion 122 to be located close to the processing surface of the workpiece 200 without interfering with the laser processing operation of the first working portion 121.

[0065] In some embodiments, one end of the second working portion 122 may be provided with a first opening 1221 for suctioning air, and in order to connect the second working portion 122 to an air source, the other end of the second working portion 122 may be connected to a hose, which may further be connected to the air source. This arrangement allows the hose to deform with the movement of the working portion without affecting the connection between the second working portion 122 and the air source. In other embodiments, the other end of the second working portion 122 for connecting to the air source may be provided with a slip ring, which rotates with the working portion without affecting the connection between the second working portion 122 and the air source.

[0066] To improve the working efficiency of the working assembly 120, as shown in Figures 3-5 , in some embodiments, the working assembly 120 may be provided with multiple first working sections 121 and multiple second working sections 122. Each first working section 121 and each second working section 122 may be arranged in a one-to-one correspondence along the first direction X. It will be appreciated that this arrangement enables the working assembly 120 to simultaneously perform operations such as machining and cleaning on multiple workpieces 200 when in the first state, with one first working section 121 corresponding to one second working section 122.

[0067] To improve the welding accuracy of the welding apparatus 100, referring to FIG5 , in some embodiments, the welding apparatus 100 may further include a first sensor 150. The first sensor 150 may be connected to the working assembly 120. Depending on the sensor type, the first sensor 150 may be mechanically connected to the working assembly 120; in other embodiments, the first sensor 150 may be electrically connected to the working assembly 120. Each carrier 111 includes a first carrier 1111 and a second carrier 1112, with the first carrier 1111 and the second carrier 1112 arranged adjacent to each other along the circumference of the rotation axis L. Based on this, in some embodiments, when the working assembly 120 is in the first state, the first working portion 121 is suitable for processing the workpiece 200 mounted on the first carrier 1111, and the first sensor 150 is configured to detect the distance between the workpiece 200 mounted on the second carrier 1112 and the first sensor 150 along the first direction X. After the working assembly 120 switches from the second state to the first state, the first working section 121 is adapted to process the workpiece 200 mounted on the second carrier 1112. It will be appreciated that when the working assembly 120 is in the first state and the first working section 121 is processing, the first sensor 150 can perform height detection on the next workpiece 200 (or multiple workpieces 200) to be processed. The distance along the first direction X between the workpiece 200 mounted on the second carrier 1112 and the first sensor 150 can reflect the distance between the workpiece 200 and the first working section 121. This configuration can reduce the time required for the first sensor 150 to perform detection. After the first sensor 150 measures the distance, in one approach, if the position detection of the workpiece 200 fails, the position of the workpiece 200 can be adjusted based on the distance detection result, or the processing of the workpiece 200 can be skipped. In other embodiments, the welding device 100 may further include a second sensor, wherein the first sensor 150 is connected to the working assembly 120, and the second sensor may be configured to detect the distance between the first working portion 121 and the carrier 111 along the first direction X. Referring to FIG5 , in another processing method, the second carrier 1112 may include an adjustment component 1113, whereby the first sensor 150 may detect the distance between the workpiece mounted on the second carrier 1112 and the first sensor 150 along the first direction X, and send an adjustment signal to the adjustment component 1113 of the second carrier 1112. In response to the adjustment signal, the adjustment component 1113 drives the second carrier 1112 to adjust the distance between the second carrier 1112 and the first sensor 150 along the first direction X. It is understood that, based on the distance value measured by the first sensor 150, the adjustment component 1113 may adjust the position of the second carrier 1112 along the first direction X accordingly, thereby accurately driving the upper surface of the workpiece 200 to reach the welding focus of the first working portion 121, thereby achieving positioning and correction of the position of the workpiece 200.Specifically, according to different driving requirements, in some embodiments, the adjustment component 1113 can be an electric cylinder, a hydraulic cylinder, a pneumatic cylinder, etc., to adjust the position of the second carrier 1112 and indirectly adjust the welding position of the corresponding workpiece 200. Further, in some embodiments, each carrier 111 can include an adjustment component 1113, and the first sensor 150 can respectively detect the distance between the workpiece 200 installed on each carrier 111 and the first sensor 150. The above setting enables the workpiece 200 installed on each carrier 111 to be detected by the first sensor 150 first, and then the position of the carrier 200 is adjusted by the adjustment component 1113, so that the workpiece 200 installed on each carrier 111 can be adjusted before welding. The welding position is adjusted, which is conducive to improving welding accuracy and saving adjustment time. In addition, in some embodiments, based on the setting of the adjustment component 1113, the first sensor 150 can be set at any position and can also play the role of detecting the distance between the workpiece 200 installed on each carrier 111 and the first sensor 150.

[0068] After a weld is completed, to ensure that the welding device 100 promptly switches to the second state and returns to the first position P1, in some embodiments, the welding device 100 may further include a timer having a set time. Accordingly, the timer may be configured to begin timing when the working component 120 switches to the first state. After the set time is reached, the timer sends a first signal to the drive component 140. In response to the first signal, the drive component 140 may drive the working component 120 to the first position P1. In other embodiments, the drive component 140 may further include a distance sensor. The distance sensor may be configured to detect that the working component 120 has moved a certain distance from the first state and then send a first signal to the drive component 140. In response to the first signal, the drive component 140 may drive the working component 120 to the first position P1.

[0069] The embodiment of the second aspect of the present application further provides a welding device 100 for processing a workpiece 200, the welding device 100 comprising a rotating assembly 110 and a working assembly 120. Similar to the embodiment of the first aspect described above, the rotating assembly 110 is configured to rotate about a rotation axis L. The rotating assembly 110 comprises a plurality of carriers 111 arranged about the rotation axis L, each carrier 111 being adapted to mount a plurality of workpieces 200 in a one-to-one correspondence, one of the carriers 111 being a first carrier 1111, and one of the workpieces 200 being a first workpiece 200; the working assembly 120 being located on a side of the workpiece 200 away from each carrier 111 along a first direction X, the first direction X being parallel to the rotation axis L, the working assembly 120 being configured to rotate about the rotation axis L, and the working assembly 120 comprising a second working portion 122 for cleaning objects.

[0070] Among them, the working component 120 has a first state and a second state. When the working component 120 is in the first state, the working component 120 is configured to rotate synchronously with the rotating component 110. When the working component 120 is in the second state, the working component 120 is configured to rotate offset relative to the rotating component 110, so that the second working part 122 is suitable for starting to clean the cleaning objects.

[0071] The welding apparatus 100 of the second embodiment of the present application differs from the first embodiment described above in that the second embodiment of the welding apparatus 100 may include only the second working portion 122 for cleaning objects, and the welding process may be performed in any manner. For example, each carrier 111 may be provided with a corresponding welding device, or a flying welding method may be employed, with a welding device fixedly provided around the circumferential rotation trajectory of each welding station. Various welding methods and related configurations may be referenced in the prior art and applied to the present embodiment, and will not be further described herein.

[0072] The above are merely optional embodiments of the present application and do not limit the patent scope of the present application. All equivalent structural transformations made using the contents of the present application specification and drawings under the application concept of the present application, or direct / indirect application in other related technical fields are included in the patent protection scope of the present application.

Claims

1. A welding device for processing a workpiece, wherein: The welding equipment comprises: A rotating assembly configured to be rotatable around a rotating axis, the rotating assembly comprising a plurality of carriers arranged around the rotating axis, each of the carriers being suitable for mounting a plurality of the workpieces in a one-to-one correspondence; and A working assembly is located at a side of each workpiece away from the corresponding carrier along a first direction, wherein the first direction is parallel to the rotation axis, and the working assembly is configured to be rotatable around the rotation axis, and the working assembly includes a first working portion, and the first working portion is used to weld the workpiece; Wherein, the working component has a first state and a second state. When the working component is in the first state, the working component is configured to rotate synchronously with the rotating component to weld the workpiece. When the working component is in the second state, the working component is configured to rotate offset relative to the rotating component to adjust the position of the working component relative to the rotating component so that the first working part is suitable for starting welding.

2. The welding device according to claim 1, wherein: The welding equipment also includes a shaft body, the rotating component is configured to be able to rotate relative to the shaft body, the central axis of the shaft body coincides with the rotating axis, the working component extends radially along the rotating axis, and along the radial direction of the rotating axis, one end of the working component is connected to the shaft body, and the other end is provided with the first working part.

3. The welding device according to claim 1, wherein: The welding device further includes a driving assembly configured to drive the working assembly to rotate about the rotation axis.

4. The welding device according to claim 3, wherein: The working component has a first position and a second position. When the working component is located at the first position, the working component is in the first state and the driving component is configured to drive the working component so that the working component and the rotating component rotate synchronously. After the working component moves to the second position, the driving component is configured to drive the working component to rotate to the first position.

5. The welding device according to claim 3, wherein: When the working component is in the first state, the driving component is configured to drive the working component to rotate along a first circumferential direction. When the working component is in the second state, the driving component is configured to drive the working component to rotate in the opposite direction of the first circumferential direction.

6. The welding device according to claim 1, wherein: The working assembly further includes a second working portion, which is used for cleaning objects. Along the first direction, the second working portion is located on a side of the first working portion close to each of the carriers.

7. The welding device according to claim 6, wherein: The second working part has a first opening, and the first opening is used to absorb the cleaning material. The first working part is configured to emit laser along a motion trajectory so that the laser is suitable for processing the workpiece. The first plane is perpendicular to the first direction. The orthographic projection of the edge of the opening of the first opening on the first plane is the first projection. The orthographic projection of the motion trajectory on the first plane is the second projection. The first projection surrounds the second projection so that the laser can pass through the first opening.

8. The welding device according to claim 6, wherein: The working component is provided with a plurality of the first working parts and a plurality of the second working parts. Along the first direction, each of the first working parts and each of the second working parts are arranged in one-to-one correspondence.

9. The welding device according to claim 1, wherein: The welding equipment also includes a first sensor, which is connected to the working component. Each of the carriers includes a first carrier and a second carrier. The second carrier includes an adjustment component. The first carrier is arranged adjacent to the second carrier along the circumference of the rotation axis. When the working component is in the first state, the first working part is suitable for processing the workpiece mounted on the first carrier. The first sensor is configured to detect the distance between the workpiece mounted on the second carrier and the first sensor along the first direction, and send an adjustment signal to the adjustment component of the second carrier. The adjustment component drives the second carrier in response to the adjustment signal to adjust the distance between the second carrier and the first sensor along the first direction. After the working component is switched from the second state to the first state, the first working part is suitable for processing the workpiece mounted on the second carrier.

10. A welding device for processing a workpiece, wherein: The welding equipment comprises: a rotating assembly configured to be rotatable around a rotating axis, the rotating assembly comprising a plurality of carriers arranged around the rotating axis, each of the carriers being suitable for mounting a plurality of the workpieces in a one-to-one correspondence, one of the carriers being a first carrier, and one of the workpieces being a first workpiece; and A working assembly is located at a side of the workpiece away from each of the carriers along a first direction, the first direction is parallel to the rotation axis, the working assembly is configured to be able to rotate around the rotation axis, the working assembly includes a second working part, and the second working part is used to clean the cleaning object; Wherein, the working component has a first state and a second state. When the working component is in the first state, the working component is configured to rotate synchronously with the rotating component. When the working component is in the second state, the working component is configured to rotate offset relative to the rotating component, so that the second working part is suitable for starting to clean the cleaning object.

Citation Information

Patent Citations

  • Method and device for cutting casting blank through laser

    CN104907710A

  • Welding equipment

    CN115799776A

  • Turret type collector plate welding and pressing device

    CN116197561A

  • Welding pressing device and turret welding equipment

    CN116921864A

  • Welding equipment

    CN117583730A