Compression laser welding device and combined equipment

Abstract

The embodiment of the utility model provides a pressing laser welding device and combined equipment, and the pressing laser welding device comprises a fixing structure which is provided with a containing cavity; the copper nozzle pressing structure comprises a copper nozzle piece and a pressing assembly, the pressing assembly is arranged in the containing cavity and provided with a guide part, the pressing assembly is connected with the copper nozzle piece so as to provide pressing force needed by the copper nozzle piece, and the copper nozzle piece is matched with the guide part so as to be used for guiding when the copper nozzle piece is pressed. The pressing assembly is connected to the containing cavity of the fixing structure, the copper nozzle piece is connected with the pressing assembly, the pressing assembly is provided with the guide part matched with the copper nozzle piece, when a to-be-welded piece needs to be welded, external force can be applied to the fixing structure, the copper nozzle piece gradually makes contact with the to-be-welded piece, and the to-be-welded piece can be welded along with gradual increase of the external force. The copper nozzle piece moves along the guide part, meanwhile, the pressing assembly applies opposite force to the copper nozzle piece, automatic compensation pressing is achieved, the consistency of welding gaps is guaranteed, and the welding quality is improved.

Description

Technical Field

[0001] The present application relates to the field of welding technology, and in particular to a compression laser welding device and a combined device. Background Art

[0002] As environmental and energy issues continue to intensify in recent years, new energy electric vehicles have gradually come into the public eye, and power battery packs as the main power source for new energy vehicles have also received widespread attention.

[0003] The power battery pack is a high-energy carrier composed of multiple single cells connected in series and parallel. In actual production, laser welding is a relatively reliable and efficient method to achieve cell grouping. The quality of laser welding affects the connection strength and current capacity between cells. Therefore, how to improve the welding quality of cells is a technical problem that needs to be solved in battery technology. Utility Model Content

[0004] The purpose of the embodiments of the present application is to provide a compression laser welding device and a combined device that can automatically compensate for compression, ensure the consistency of the welding gap, and improve the welding quality.

[0005] In the first aspect, an embodiment of the present application provides a clamping laser welding device, comprising: a fixed structure, which is equipped with a accommodating cavity; a copper nozzle clamping structure, including a copper nozzle piece and a clamping assembly, the clamping assembly is configured in the accommodating cavity, and the clamping assembly is equipped with a guide portion, the clamping assembly is connected to the copper nozzle piece to provide the clamping force required for the copper nozzle piece, and the copper nozzle piece is adapted to the guide portion for guiding the copper nozzle piece when it is clamped.

[0006] In the above-mentioned implementation process, the clamping assembly is connected to the accommodating cavity of the fixed structure, the copper nozzle piece is connected to the clamping assembly, and the clamping assembly is provided with a guide portion adapted to the copper nozzle piece. When it is necessary to weld the workpiece to be welded, an external force can be applied to the fixed structure, and the copper nozzle piece gradually contacts the workpiece to be welded. As the external force gradually increases, the copper nozzle piece moves along the guide portion, and at the same time, the clamping assembly applies an opposite force to the copper nozzle piece to realize automatic compensation clamping, thereby ensuring the consistency of the welding gap and improving the welding quality.

[0007] In some embodiments, the clamping assembly includes a mounting member, a connecting member, a guide member and an elastic member, the mounting member is connected to the fixed structure, the guide member is arranged on one side of the mounting member, the connecting member is passed through the copper mouthpiece, and the connecting member is respectively connected to the mounting member and the guide member, and the elastic member is sleeved on the connecting member to provide a clamping force when the copper mouthpiece is away from the mounting member.

[0008] In the above-mentioned implementation process, the mounting part is fixed to the accommodating cavity of the fixed structure, the guide part is fixed to the mounting part, and the connecting parts are respectively passed through the copper nozzle part and the elastic part, so that when the copper nozzle part is squeezed by the part to be welded, the copper nozzle part moves along the connecting part and squeezes the elastic part to guide the copper nozzle part. The welding position clamping has high repetition accuracy, which is conducive to automated production. Therefore, the elastic part applies the clamping force of the copper nozzle part to clamp the part to be welded, and automatically adjusts the deformation of the elastic part to realize automatic compensation clamping, ensure the consistency of the welding gap, and improve the qualified rate of the parts to be welded.

[0009] In some embodiments, the guide member is provided with an avoidance groove, the connecting member and the elastic member are arranged in the avoidance groove, and a part of the structure of the copper mouthpiece extends to the avoidance groove, and the part of the structure is configured for the penetration of the connecting member.

[0010] In the above-mentioned implementation process, part of the structure of the copper nozzle piece, the connecting piece and the elastic piece are all arranged in the avoidance groove of the guide piece. When the copper nozzle piece is squeezed by the part to be welded, the avoidance groove can be used to avoid the movement of the copper nozzle piece along the connecting piece. At the same time, it is also beneficial for the elastic piece to compensate for the copper nozzle piece, thereby ensuring the consistency of the welding gap and improving the qualified rate during welding.

[0011] In some embodiments, the cross-sectional size of the mounting piece is larger than the cross-sectional size of the copper nozzle piece, which is beneficial to the connection between the mounting piece and the fixed structure, and can also effectively realize welding spatter protection and avoid contamination of the surface to be welded.

[0012] In some embodiments, the fixed structure includes a fixed frame and a guide block, the guide block is connected to the fixed frame, and the distribution direction of the guide block is consistent with the moving direction of the copper nozzle piece.

[0013] In the above-mentioned implementation process, the guide block is connected to the fixed frame, and when an external force is applied to the fixed structure, the fixed frame moves under the guidance of the guide block, thereby pressing the copper nozzle piece against the part to be welded, and as the external force gradually increases, the copper nozzle piece moves relative to the fixed frame, which is conducive to automatic compensation and clamping control, ensuring the consistency of the welding gap, improving the qualified rate of welding, and having high repetition accuracy, which is conducive to automated production.

[0014] In some embodiments, the fixed frame is provided with a plurality of the accommodating cavities at intervals, and the arrangement direction of the plurality of the accommodating cavities is perpendicular to the distribution direction of the guide block. The modularization of the copper nozzle clamping structure is realized, and convenient disassembly and assembly can be performed, and it is compatible with welding of different numbers of parts to be welded, with high repetition accuracy, which is conducive to automated production. The copper nozzle parts can be automatically compensated by the clamping assembly to ensure the consistency of the welding gap, thereby improving the welding qualification rate and production efficiency.

[0015] In some embodiments, the fixing structure further includes a buckle mechanism, which is connected to the fixing frame. The fixing frame can be fixed by the buckle mechanism to prevent the fixing frame from being ejected when the clamping assembly automatically compensates the copper nozzle, which is beneficial to the welding of the welded parts and improves the welding qualification rate.

[0016] In some embodiments, the snap mechanism includes a base, a snap component, an ejector component and a fixing component, the base is connected to the fixed frame, the snap component is rotatably connected to the base through the fixing component, the ejector component is connected to the base and abuts against one side of the snap component to provide ejection force.

[0017] In the above implementation process, the fastener, the ejector and the fixing member are all fixed to the fixed frame through the base, and the fastener is rotatably connected to the base through the fixing member. When welding is required, the fastener is first pressed and the ejector is squeezed. When the fastener is interlocked, the fastener is released. Under the action of the ejector, the fastener returns to its original position, thereby realizing the installation and fixation of the compression laser welding device.

[0018] In some embodiments, the latch member includes a pressing end and a latch end, the pressing end is connected to the latch end, and the ejector member is configured to contact the pressing end so that when the pressing end is pressed, the ejector member is squeezed and the latch end rotates around the fixing member.

[0019] In the above-mentioned implementation process, the pressing end is connected to the snap-on end. When welding is required for the workpiece to be welded, after pressing the pressing end, the snap-on mechanism opens and the ejector is squeezed. When the external force is removed, the ejector provides the ejection force, and the snap-on part rotates around the fixing part. The pressing end and the snap-on end return to their original positions and are snap-connected through the snap-on end, thereby realizing the installation and fixation of the clamping laser welding device.

[0020] In a second aspect, the present application also provides a combined device, comprising a compression laser welding device as described in any of the above items.

[0021] The combined equipment provided in the second embodiment of the present application includes the clamping laser welding device described in the technical solution of the first aspect, and thus has all the technical effects of the above embodiments, which will not be repeated here.

[0022] Other features and advantages of the present disclosure will be set forth in the following description, or some features and advantages may be inferred or unambiguously determined from the description, or may be learned by implementing the above-mentioned technology of the present disclosure.

[0023] In order to make the above-mentioned objects, features and advantages of the present application more obvious and easy to understand, preferred embodiments are specifically cited below and described in detail with reference to the attached drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the embodiments of the present application will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0025] Figure 1 A schematic diagram of the structure of a compression laser welding device provided in an embodiment of the present application;

[0026] Figure 2 A schematic structural diagram of a compression laser welding device from another perspective provided in an embodiment of the present application;

[0027] Figure 3 A schematic diagram of the partial structure of a compression laser welding device provided in an embodiment of the present application;

[0028] Figure 4 A schematic diagram of the coordination between the copper nozzle clamping structure and the fixing structure of the clamping laser welding device provided in an embodiment of the present application;

[0029] Figure 5 A structural schematic diagram of the copper nozzle clamping structure of the clamping laser welding device provided in an embodiment of the present application.

[0030] Reference numerals

[0031] 100, fixed structure; 101, fixed frame; 102, guide block; 103, reinforcement plate; 104, accommodating chamber; 105, snap mechanism; 1051, base; 1052, snap member; 1053, ejector; 1054, fixing member; 200, copper nozzle clamping structure; 201, copper nozzle member; 202, mounting member; 203, connecting member; 204, guide member; 205, elastic member. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all of the embodiments. The components of the embodiments of the present application described and shown in the drawings here can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the application claimed for protection, but merely represents the selected embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without making creative work belong to the scope of protection of the present application.

[0033] In the present application, the terms "upper", "lower", "left", "right", "front", "back", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings. These terms are mainly used to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation.

[0034] In addition, some of the above terms may be used to express other meanings in addition to indicating orientation or positional relationship. For example, the term "on" may also be used to express a certain dependency or connection relationship in some cases. For those of ordinary skill in the art, the specific meanings of these terms in this application can be understood according to specific circumstances.

[0035] In addition, the terms "installed", "set", "provided with", "connected", and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection, or a point connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be an internal connection between two devices, elements, or components. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0036] In addition, the terms "first", "second", etc. are mainly used to distinguish different devices, elements or components (the specific types and structures may be the same or different), and are not used to indicate or imply the relative importance and quantity of the indicated devices, elements or components. Unless otherwise specified, "plurality" means two or more.

[0037] Example

[0038] The power battery pack is a high-energy carrier composed of multiple single cells connected in series or parallel. In actual production, laser welding is a relatively reliable and efficient method to achieve single cell grouping. The quality of laser welding affects the connection strength and current capacity between cells, and the design of the welding clamping device is one of the key factors in controlling the welding quality.

[0039] At present, the connection between battery cells is achieved by manually pre-spot welding the connecting pieces to ensure the overlap gap between the connecting pieces and the battery cell poles, and then formal welding is carried out. This method requires high operating skills, and the welding gap is guaranteed by manual techniques. At the same time, the spatter during the welding process will contaminate the surrounding area to be welded, which can easily lead to unstable welding quality. For battery cell products with a large number of series and parallel numbers, the operating efficiency is low, which is not conducive to automated production.

[0040] In view of this, if Figure 1-Figure 5As shown, in the first aspect, an embodiment of the present application provides a clamping laser welding device, comprising: a fixed structure 100, which is equipped with a accommodating cavity 104; a copper nozzle clamping structure 200, including a copper nozzle piece 201 and a clamping assembly, the clamping assembly is arranged in the accommodating cavity 104, and the clamping assembly is equipped with a guide portion, the clamping assembly is connected to the copper nozzle piece 201 to provide the clamping force required for the copper nozzle piece 201, and the copper nozzle piece 201 is adapted to the guide portion for guiding the copper nozzle piece 201 when being clamped.

[0041] Exemplarily, the clamping laser welding device is configured to clamp the workpiece to be welded to ensure the overlapping gap between the connecting piece and the pole of the workpiece to be welded, so as to facilitate welding by the welding device, wherein the workpiece to be welded includes but is not limited to single battery cells, and the clamping laser welding device presses the connecting piece to the pole of the workpiece to be welded, and then laser welds it through the welding device.

[0042] The copper nozzle 201 includes but is not limited to a closed cavity, so that each welding is performed in an independent space, effectively protecting against splashes, and its clamping surface contour matches the structural features of the welded parts to avoid the laser beam welding channel while fitting the clamping welding surface.

[0043] It can be understood that when the clamping laser welding device is used in a single cell scenario, the clamping laser welding device is for clamping the side-oriented connecting piece and the cell pole by laser welding. Through simple orientation adjustment, the clamping laser welding device can be applied to the clamping of laser welding in the upper and other orientations.

[0044] In the above-mentioned implementation process, the clamping assembly is connected to the accommodating cavity 104 of the fixed structure 100, the copper nozzle piece 201 is connected to the clamping assembly, and the clamping assembly is provided with a guide portion adapted to the copper nozzle piece 201. When it is necessary to weld the workpiece to be welded, an external force can be applied to the fixed structure 100, and the copper nozzle piece 201 gradually contacts the workpiece to be welded. As the external force gradually increases, the copper nozzle piece 201 moves along the guide portion, and at the same time, the clamping assembly applies an opposite force to the copper nozzle piece 201 to realize automatic compensation clamping, ensure the consistency of the welding gap, and improve the welding quality.

[0045] like Figure 4-Figure 5As shown, the clamping assembly includes a mounting member 202, a connecting member 203, a guide member 204 and an elastic member 205, the mounting member 202 is connected to the fixed structure 100, the guide member 204 is arranged on one side of the mounting member 202, the connecting member 203 is passed through the copper mouthpiece 201, and the connecting member 203 is respectively connected to the mounting member 202 and the guide member 204, the elastic member 205 is sleeved on the connecting member 203 to provide a clamping force when the copper mouthpiece 201 is away from the mounting member 202, wherein the clamping force can be used to press the copper mouthpiece 201 against the part to be welded.

[0046] Exemplarily, the mounting member 202 includes but is not limited to a mounting plate, the mounting member 202 can be fixed to the accommodating cavity 104 by bolts, or can be fixed by other fixing methods, the connecting member 203 includes but is not limited to a positioning pin, the elastic member 205 includes but is not limited to a compression spring, the guide member 204 includes but is not limited to a U-shaped block, and of course can also be other shapes, such as a square, etc. The guide member 204 can be fixed to the mounting member 202 by bolts, and the copper mouthpiece 201 is adapted to the outer side of the guide member 204 to guide the copper mouthpiece 201 and avoid tilting and jamming problems.

[0047] In the above-mentioned implementation process, the mounting member 202 is fixed to the accommodating cavity 104 of the fixed structure 100, the guide member 204 is fixed to the mounting member 202, and the connecting member 203 is respectively penetrated through the copper nozzle member 201 and the elastic member 205, so that when the copper nozzle member 201 is squeezed by the workpiece to be welded, the copper nozzle member 201 moves along the connecting member 203 and squeezes the elastic member 205 to guide the copper nozzle member 201. The welding position clamping has high repetition accuracy, which is conducive to automated production. Therefore, the elastic member 205 applies the clamping force of the copper nozzle member 201 to clamp the workpiece to be welded, and automatically adjusts the deformation of the elastic member 205 to realize automatic compensation clamping, ensure the consistency of the welding gap, and improve the qualified rate of the workpiece to be welded.

[0048] Please refer to Figure 4 The guide member 204 is provided with an avoidance groove, the connecting member 203 and the elastic member 205 are arranged in the avoidance groove, and a part of the structure of the copper mouthpiece 201 extends to the avoidance groove, and the part of the structure is configured for the penetration of the connecting member 203.

[0049] Exemplarily, the avoidance groove is configured as an opening shape, for example, the avoidance groove is configured as a U-shape, and the opening of the avoidance groove faces the mounting member 202. Of course, in other embodiments, the avoidance groove can also be configured as a square, etc.; it can be understood that the outer edge of the copper mouthpiece 201 is configured with a protrusion, the protrusion extends to the avoidance groove, the connecting member 203 is passed through the protrusion, and the elastic member 205 is configured between the protrusion and the mounting member 202.

[0050] In the above-mentioned implementation process, part of the structure of the copper nozzle piece 201, the connecting piece 203 and the elastic piece 205 are all arranged in the avoidance groove of the guide piece 204. When the copper nozzle piece 201 is squeezed by the part to be welded, the avoidance groove can be used to avoid the movement of the copper nozzle piece 201 along the connecting piece 203. At the same time, it is also beneficial for the elastic piece 205 to compensate for the copper nozzle piece 201, thereby ensuring the consistency of the welding gap and improving the qualified rate during welding.

[0051] Please refer to Figure 4 The cross-sectional size of the mounting member 202 is larger than the cross-sectional size of the copper nozzle member 201. This is beneficial to the connection between the mounting member 202 and the fixed structure 100, and can also effectively implement welding spatter protection and avoid contamination of the surface to be welded.

[0052] like Figure 1-Figure 2 As shown, the fixed structure 100 includes a fixed frame 101 and a guide block 102, wherein the guide block 102 is connected to the fixed frame 101, and the distribution direction of the guide block 102 is consistent with the moving direction of the copper nozzle 201. Exemplarily, the guide block 102 is arranged at the bottom of the fixed frame 101, and the connection method between the guide block 102 and the fixed frame 101 can be bolted or integrally formed, wherein the number of the guide blocks 102 includes but is not limited to two, and the two guide blocks 102 are arranged at intervals along the length direction of the fixed frame 101. In actual use, the guide block 102 is used to cooperate with the guide groove of the combined device, and the clearance between the guide block 102 and the guide groove is controlled to be no more than 0.1mm on one side, so that the copper nozzle 201 can accurately press the welding surface of the welded part. Through the guide block 102, the overall structure can be placed horizontally, and at the same time, in cooperation with the guide groove, it can assist in guiding the manual installation and pressing of the laser welding device.

[0053] It should be noted that, in order to enhance the overall rigidity, the outer contour of the fixing frame 101 is configured with a reinforcing plate 103 , and the material of the reinforcing plate 103 includes but is not limited to aluminum.

[0054] In the above-mentioned implementation process, the guide block 102 is connected to the fixed frame, and when an external force is applied to the fixed structure 100, the fixed frame 101 moves under the guidance of the guide block 102, and then the copper nozzle piece 201 is pressed against the part to be welded, and as the external force gradually increases, the copper nozzle piece 201 moves relative to the fixed frame, which is conducive to automatic compensation and clamping control, ensuring the consistency of the welding gap, improving the qualified rate of welding, and having high repetition accuracy, which is conducive to automated production.

[0055] In some embodiments, the fixed frame 101 is provided with a plurality of the accommodating cavities 104 at intervals, and the arrangement direction of the plurality of the accommodating cavities 104 is perpendicular to the distribution direction of the guide block 102, wherein the plurality of the accommodating cavities 104 are arranged at intervals along the length direction of the fixed frame 101, and the copper nozzle clamping structure 200 is installed and positioned by the mounting member 202 and the contour of the accommodating cavity 104. When the number of series and parallel welding battery products changes, the copper nozzle clamping structure 200 can be disassembled and assembled as a whole accordingly, so as to achieve compatibility with welding requirements of different products. The modularization of the copper nozzle clamping structure 200 can be conveniently disassembled and assembled, and is compatible with the welding of different numbers of parts to be welded, with high repetition accuracy, which is conducive to automated production, and the copper nozzle member 201 can be automatically compensated by the clamping assembly to ensure the consistency of the welding gap, improve the welding qualification rate and production efficiency.

[0056] like Figure 3 As shown, the fixing structure 100 further includes a buckle mechanism 105, and the buckle mechanism 105 is connected to the fixing frame 101. The fixing frame 101 can be fixed by the buckle mechanism 105 to prevent the fixing frame 101 from being ejected when the clamping assembly automatically compensates the copper nozzle 201, which is beneficial to the welding of the welded parts and improves the welding qualification rate.

[0057] In some embodiments, the snap mechanism 105 includes a base 1051, a snap component 1052, an ejector 1053 and a fixing component 1054, the base 1051 is connected to the fixed frame 101, the snap component 1052 is rotatably connected to the base 1051 through the fixing component 1054, the ejector 1053 is connected to the base 1051, and abuts against one side of the snap component 1052 to provide ejection force.

[0058] In the above-mentioned implementation process, the fastener 1052, the ejector 1053 and the fixing member 1054 are all fixed to the fixed frame 101 through the base 1051, and the fastener 1052 is rotatably connected to the base 1051 through the fixing member 1054. When welding is required, the fastener 1052 is first pressed, and the ejector 1053 is squeezed. When the fastener 1052 completes the interlocking, release it, and the fastener 1052 is restored to its original position under the action of the ejector 1053, thereby realizing the installation and fixation of the compression laser welding device.

[0059] In some embodiments, the latch member 1052 includes a pressing end and a latch end, the pressing end is connected to the latch end, and the ejector member 1053 is configured to contact the pressing end so that when the pressing end is pressed, the ejector member 1053 is squeezed and the latch end rotates around the fixing member 1054.

[0060] When the clamping laser welding device is installed and fixed by the snap mechanism 105, the elastic member 205 of each copper nozzle clamping structure 200 is in a compressed state, that is, in a working state, and provides reverse force to the copper nozzle member 201 to clamp the welding surface. Under the guidance of the guide member 204, the copper nozzle member 201 is vertically pressed toward the connecting piece. Due to the accumulation of manufacturing tolerances, the battery poles arranged in groups are often not on the same welding plane in practice. The copper nozzle member 201 of the clamping laser welding device can automatically compensate and clamp each connecting piece to fit the battery pole through the elastic deformation of the elastic member 205, and control the welding gap to be no more than 0.2mm, without the need for external energy, thereby reducing the battery manufacturing cost.

[0061] In the above-mentioned implementation process, the pressing end is connected to the snap-on end. When the workpiece to be welded needs to be welded, after pressing the pressing end, the snap-on mechanism 105 opens and the ejector 1053 is squeezed. When the external force is removed, the ejector 1053 provides the ejection force, and the snap-on part 1052 rotates around the fixing part 1054. The pressing end and the snap-on end return to their original positions and are snap-connected through the snap-on end, thereby realizing the installation and fixation of the compression laser welding device.

[0062] In the second aspect, the present application further provides a combined device, including the above-mentioned clamping laser welding device. The combined device provided in the second aspect of the present application includes the clamping laser welding device described in the technical solution of the first aspect, and thus has all the technical effects of the above-mentioned embodiments, which will not be repeated here.

[0063] In all the embodiments of the present application, "big" and "small" are relative, "more" and "less" are relative, and "up" and "down" are relative. The expressions of such relative terms are not elaborated in the embodiments of the present application.

[0064] It should be understood that the "in this embodiment", "in the embodiment of the present application" or "as an optional implementation" mentioned throughout the specification means that the specific features, structures or characteristics related to the embodiment are included in at least one embodiment of the present application. Therefore, "in this embodiment", "in the embodiment of the present application" or "as an optional implementation" appearing throughout the specification does not necessarily refer to the same embodiment. In addition, these specific features, structures or characteristics can be combined in one or more embodiments in any suitable manner. Those skilled in the art should also be aware that the embodiments described in the specification are all optional embodiments, and the actions and modules involved are not necessarily required for the present application.

[0065] In the various embodiments of the present application, it should be understood that the size of the serial numbers of the above-mentioned processes does not necessarily mean the order of execution. The execution order of each process should be determined by its function and internal logic, and should not constitute any limitation on the implementation process of the embodiments of the present application.

[0066] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any person skilled in the art who is familiar with the present technical field can easily think of changes or substitutions within the technical scope disclosed in the present application, which should be included in the protection scope of the present application. Therefore, the protection scope of the present application should be based on the protection scope of the claims.

Claims

1. A compression laser welding device, characterized in that: include: A fixed structure, which is provided with a receiving cavity; The copper nozzle clamping structure includes a copper nozzle piece and a clamping assembly. The clamping assembly is arranged in the accommodating cavity and is provided with a guide portion. The clamping assembly is connected to the copper nozzle piece to provide the clamping force required for the copper nozzle piece. The copper nozzle piece is adapted to the guide portion for guiding the copper nozzle piece when it is clamped.

2. The compression laser welding device according to claim 1, characterized in that: The clamping assembly includes a mounting member, a connecting member, a guiding member and an elastic member. The mounting member is connected to the fixed structure, the guiding member is arranged on one side of the mounting member, the connecting member is passed through the copper mouthpiece, and the connecting member is respectively connected to the mounting member and the guiding member, and the elastic member is sleeved on the connecting member to provide a clamping force when the copper mouthpiece is away from the mounting member.

3. The compression laser welding device according to claim 2, characterized in that: The guide member is provided with an avoidance groove, the connecting member and the elastic member are arranged in the avoidance groove, and a part of the structure of the copper mouthpiece extends to the avoidance groove, and the part of the structure is configured for the penetration of the connecting member.

4. The compression laser welding device according to claim 2 or 3, characterized in that: The cross-sectional dimension of the mounting piece is greater than the cross-sectional dimension of the copper nozzle piece.

5. The compression laser welding device according to claim 1, characterized in that: The fixed structure comprises a fixed frame and a guide block, the guide block is connected to the fixed frame, and the distribution direction of the guide block is consistent with the moving direction of the copper nozzle piece.

6. The compression laser welding device according to claim 5, characterized in that: The fixed frame is provided with a plurality of the accommodating cavities at intervals, and the arrangement direction of the plurality of the accommodating cavities is perpendicular to the distribution direction of the guide blocks.

7. The compression laser welding device according to claim 5, characterized in that: The fixing structure further comprises a buckle mechanism, and the buckle mechanism is connected to the fixing frame.

8. The compression laser welding device according to claim 7, characterized in that: The buckle mechanism includes a base, a buckle, an ejector and a fixing member, the base is connected to the fixed frame, the buckle is rotatably connected to the base through the fixing member, and the ejector is connected to the base and abuts against one side of the buckle to provide an ejection force.

9. The compression laser welding device according to claim 8, characterized in that: The buckle member includes a pressing end and a buckle end, the pressing end is connected to the buckle end, and the ejector is configured to contact the pressing end, so that when the pressing end is pressed, the ejector is squeezed and the buckle end rotates around the fixing member.

10. A combined device, characterized in that: It comprises a compression laser welding device as described in any one of claims 1-9.

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