CN117464209B - Battery welding device and method - Google Patents
Battery welding device and method Download PDFInfo
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- CN117464209B CN117464209B CN202311550543.6A CN202311550543A CN117464209B CN 117464209 B CN117464209 B CN 117464209B CN 202311550543 A CN202311550543 A CN 202311550543A CN 117464209 B CN117464209 B CN 117464209B
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- 238000003466 welding Methods 0.000 title claims abstract description 367
- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000007789 sealing Methods 0.000 claims description 24
- 230000000149 penetrating effect Effects 0.000 claims description 19
- 230000033001 locomotion Effects 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 5
- 230000005611 electricity Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 4
- 229920001296 polysiloxane Polymers 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/20—Bonding
- B23K26/21—Bonding by welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/36—Electric or electronic devices
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The invention discloses a battery welding device and a method, wherein the battery welding device comprises: welding cavity, laser welding equipment, range finding equipment and control portion, welding target is located welding cavity inside, welding cavity includes printing opacity portion, laser welding equipment and printing opacity portion set up at the homonymy of welding cavity, laser welding equipment can send welding laser and weld the welding target, range finding equipment can measure the distance between welding laser that laser welding equipment sent and the welding target and produce the range finding signal, control portion and laser welding equipment electricity are connected, control portion can control the distance of welding laser and welding target according to the range finding signal. The technical scheme of the invention is beneficial to improving the welding accuracy of the battery and the yield of the welding finished product.
Description
Technical Field
The invention relates to the technical field of battery welding, in particular to a battery welding device and method.
Background
In the field of battery manufacturing, welding is a critical manufacturing step. In the prior art, it is common to create a near vacuum environment in a closed cavity and to weld in such an environment. However, the cavity is airtight, so that the movement of the welding target battery in the cavity cannot be accurately controlled, parameters such as the distance between the welding laser and the welding target battery cannot be timely adjusted, and the problems of inaccurate welding, low yield and the like are caused.
Disclosure of Invention
The embodiment of the invention provides a battery welding device and a battery welding method, which are beneficial to improving the welding accuracy and the welding yield.
In a first aspect, an embodiment of the present invention provides a battery welding apparatus, including: mounting panel, welding cavity, laser welding equipment, range finding equipment and control portion. The mounting plate includes a mounting surface. The welding cavity is arranged on the mounting surface, the welding target is positioned in the welding cavity, and the welding cavity comprises a light transmission part. The laser welding device and the light-transmitting part are arranged on the same side of the welding cavity, the laser welding device can emit welding laser, and the welding laser can weld a welding target through the light-transmitting part. The distance measuring device is arranged between the laser welding device and the light transmission part, and can measure the distance between the welding laser emitted by the laser welding device and the welding target and generate a distance measuring signal. The control part is electrically connected with the laser welding equipment, and the control part can control the distance between the welding laser and the welding target according to the ranging signal.
According to the technical scheme, in the process of welding the battery, the distance between the welding laser emitted by the laser welding equipment and the welding target is measured through the distance measuring equipment, the distance between the welding laser and the welding target is controlled through the control part, so that the accuracy and consistency of the distance between the welding laser and the welding target in the welding process are improved, and the welding accuracy and the welding yield are improved.
According to the foregoing embodiment of the first aspect of the present invention, the battery welding apparatus further includes a welding jig and a control shaft. The welding jig is arranged inside the welding cavity, and the welding jig can clamp and fix a welding target. The control shaft comprises a first part penetrating through the welding cavity and a second part exposed out of the welding cavity. One end of the first part is connected with the welding jig, and the control part can control the control shaft to drive the welding jig to do linear motion and/or rotary motion along the axial direction of the control shaft according to the ranging signal. The second part is coaxially connected with the first part, and a first sealing piece is arranged at the joint of the second part and the welding cavity.
According to a preceding embodiment of the first aspect of the invention, the distance measuring device comprises a laser distance meter.
According to the foregoing embodiment of the first aspect of the present invention, the welding chamber includes: vertical axis and horizontal axis. The vertical axis extends in a direction perpendicular to the plane of the mounting surface. The transverse axis extends in a direction parallel to the plane of the mounting surface, and the transverse axis and the vertical axis are mutually perpendicular. The light transmitting portion includes: a first window and a second window. The first window is arranged on the outer side of the welding cavity in a protruding mode along the vertical axis, and a second sealing piece is arranged at the joint of the first window and the outer side of the welding cavity. The second window is arranged on the outer side of the welding cavity in a protruding mode along the transverse shaft, and a third sealing piece is arranged at the joint of the second window and the outer side of the welding cavity.
According to the foregoing embodiment of the first aspect of the present invention, the light transmitting portion and the laser welding device are located on the same side of the welding cavity and are disposed along the vertical axis, and the welding laser emitted from the laser welding device can pass through the first window, and the control axis is disposed coaxially with the extending direction of the horizontal axis and passes through the second window.
According to the foregoing embodiment of the first aspect of the present invention, the light-transmitting portion and the laser welding device are located on the same side of the welding cavity and are disposed along the transverse axis, and the welding laser emitted by the laser welding device can pass through the second window, and the control shaft is disposed coaxially with the vertical axis extending direction and passes through the first window.
According to the foregoing embodiment of the first aspect of the present invention, the first window is provided with the first penetrating portion, the second window is provided with the second penetrating portion, and the welding laser emitted by the laser welding device and the ranging laser emitted by the ranging device can penetrate through the first penetrating portion and the second penetrating portion, respectively.
According to the foregoing embodiment of the first aspect of the present invention, the welding cavity further comprises: and a third window and a welding cavity door. The third window sets up in the welding cavity outside, and the third window can observe the welding cavity inside, and the third window sets up high-speed camera. The welding cavity door is arranged on one side of the welding cavity, and the welding cavity can be opened or closed.
According to the foregoing embodiment of the first aspect of the present invention, the welding cavity further comprises: a vacuumizing part, a vacuum detecting part and a vacuum standby part. . The vacuumizing port is positioned at one side of the welding cavity and is communicated with the inside of the welding cavity and the vacuum pump. The vacuum detection part and the vacuumizing part are positioned on the same side of the welding cavity, and the vacuum detection part can monitor the vacuum degree in the welding cavity. The vacuum standby part and the vacuumizing part are positioned on the same side of the welding cavity.
In a second aspect, an embodiment of the present invention provides a battery welding method, where the battery welding apparatus according to any one of the foregoing embodiments of the first aspect of the present invention welds a welding target, the battery welding method including: placing a welding target in a welding cavity; controlling a distance measuring device to measure the distance between the welding target and the laser welding device and obtaining a distance measuring signal; according to the ranging signal, the control part adjusts the distance between the laser welding equipment and the welding target; the laser welding apparatus is controlled to emit welding laser so that the welding laser welds the welding target through the light-transmitting portion.
According to the technical scheme, in the process of welding the battery, the distance between the welding laser emitted by the laser welding equipment and the welding target is measured through the distance measuring equipment, the distance between the welding laser and the welding target is controlled through the control part, and finally the welding laser emitted by the laser welding equipment is controlled to weld the welding target, so that the accuracy and consistency of the distance between the welding laser and the welding target in the welding process are improved, and the welding accuracy and the welding yield are improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a battery welding device according to an embodiment of the present application;
FIG. 2 is a schematic view of a welding cavity according to the present application;
FIG. 3 is a side cross-sectional view of a portion of the weld cavity structure of the present application;
FIG. 4 is a side cross-sectional view of a portion of a battery welding apparatus according to an embodiment of the present application;
FIG. 5 is a side cross-sectional view of a portion of a battery welding apparatus according to another embodiment of the present application;
fig. 6 is a schematic diagram illustrating steps of a battery welding method according to an embodiment of the application.
Reference numerals illustrate:
The welding device comprises the following components of a mounting plate-100, a welding cavity-200, laser welding equipment-300, distance measuring equipment-400, a welding jig-500 and a control shaft-600;
the mounting surface-110, the light-transmitting part-210, the first sealing piece-220, the second sealing piece-230, the third sealing piece-240, the third window-250, the welding cavity door-260, the first part-610 and the second part-620;
The device comprises a first window-211, a second window 212, a high-speed camera-251, a vacuumizing part-271, a vacuum detecting part-272, a vacuum standby part-273 and a hoisting ring-274;
A first penetration portion-2111, a second penetration portion-2121;
horizontal axis-X1, vertical axis-Y1.
The achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present invention are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.
Furthermore, the description of "first," "second," etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present invention.
The application provides a battery welding device and a battery welding method, which can improve welding accuracy and welding yield.
An embodiment of the present application provides a battery welding device, as shown in fig. 1, including: mounting plate 100, welding chamber 200, laser welding apparatus 300, distance measuring apparatus 400, and control unit. The mounting plate 100 includes a mounting surface 110. The welding cavity 200 is disposed on the mounting surface 110, and a welding target, typically a battery, is disposed inside the welding cavity 200. The welding cavity 200 includes a light transmitting portion 210. The laser welding apparatus 300 is provided on the same side of the welding chamber 200 as the light-transmitting portion 210, and the laser welding apparatus 300 is capable of emitting welding laser light, which is capable of welding a welding target through the light-transmitting portion 210. The ranging apparatus 400 is disposed between the laser welding apparatus 300 and the light-transmitting portion 210, and the ranging apparatus 400 is capable of measuring a distance between the welding laser emitted from the laser welding apparatus 300 and the welding target and generating a ranging signal, and in particular, the ranging apparatus 400 is capable of detecting a battery working surface height. The control part is electrically connected to the laser welding apparatus 300, and the control part can control the distance between the welding laser and the welding target according to the ranging signal.
According to the battery welding device provided by the embodiment of the application, in the process of welding a battery, the distance between the welding laser emitted by the laser welding equipment 300 and the welding target is measured through the distance measuring equipment 400, the distance between the welding laser and the welding target is controlled through the control part, so that the accuracy and consistency of the distance between the welding laser and the welding target in the welding process are improved, and the welding accuracy and the welding yield are improved.
Further, as shown in fig. 1 to 3, the battery welding apparatus further includes a welding jig 500 and a control shaft 600. The welding jig 500 is disposed inside the welding chamber 200, and the welding jig 500 can clamp and fix a welding target. The control shaft 600 includes a first portion 610 penetrating the inside of the welding chamber 200 and a second portion 620 exposed to the welding chamber 200. One end of the first portion 610 is connected with the welding jig 500, and the control portion can control the control shaft 600 to drive the welding jig 500 to perform linear motion and/or rotational motion along the axial direction of the control shaft 600 according to the ranging signal, so that the distance between the welding target on the welding jig 500 and the laser welding device 300 accords with a preset distance, thereby improving welding accuracy and precision, and being beneficial to improving the yield of finished products. The second portion 620 is coaxially coupled to the first portion 610, and the first seal 220 is disposed at the junction of the second portion 620 and the weld cavity 200. Specifically, the first seal 220 is a silicone gasket. In other applications, other forms of structures that are beneficial to sealing, such as foam, may be used, and the form of the first sealing member 220 is not limited by the present application, and those skilled in the art can determine the form of the first sealing member 220 according to actual needs to achieve a good sealing effect of the welding cavity 200.
Specifically, among others, the laser welding apparatus 300 includes a laser light source, a galvanometer, and the like, and the ranging apparatus 400 includes a laser range finder. In other applications, other forms of ranging device 400 may be employed, such as an infrared range finder. The form of the ranging apparatus 400 is not limited in the present application, and one skilled in the art can determine the form of the ranging apparatus 400 according to actual needs to achieve a good ranging effect.
Further, as shown in fig. 2 and 4 to 5, the welding chamber 200 includes: vertical axis Y1 and horizontal axis X1. The vertical axis Y1 extends in a direction perpendicular to the plane in which the mounting surface 110 lies. The transverse axis X1 extends in a direction parallel to the plane of the mounting surface 110, and the transverse axis X1 and the vertical axis Y1 are perpendicular to each other. The light transmitting portion 210 includes: a first window 211 and a second window 212. The first window 211 is arranged at the outer side of the welding cavity 200 in a protruding manner along the vertical axis Y1, and the second sealing piece 230 is arranged at the joint of the first window 211 and the outer side of the welding cavity 200. The second window 212 is arranged on the outer side of the welding cavity 200 in a protruding mode along the transverse axis X1, and a third sealing piece 240 is arranged at the joint of the second window 212 and the outer side of the welding cavity 200.
Specifically, the second seal 230 and the third seal 240 are silicone gaskets. In other applications, other forms of structures that are beneficial to sealing, such as foam, are also used, the forms of the second sealing element 230 and the third sealing element 240 are not limited in the present application, and those skilled in the art can determine the forms of the second sealing element 230 and the third sealing element 240 according to actual needs to achieve a good sealing effect of the welding cavity 200.
Specifically, as shown in fig. 1 and 4, in an embodiment of the present application, the light transmitting part 210 and the laser welding device 300 are located at the same side of the welding cavity 200 and are disposed along the vertical axis Y1, the welding laser emitted from the laser welding device 300 can pass through the first window 211, the control shaft 600 is disposed coaxially with the extending direction of the horizontal axis X1 and passes through the second window 212, the welding jig 500 is disposed along the horizontal axis X1 with the control shaft 600, the laser welding device 300 and the ranging device 400 are disposed along the vertical axis Y1, and the laser emitted from the laser welding device 300 and the ranging device 400 is also emitted along the vertical axis Y1.
Specifically, as shown in fig. 1 and 5, in another embodiment of the present application, the light transmitting part 210 and the laser welding device 300 are located at the same side of the welding cavity 200 and are disposed along the transverse axis X1, the welding laser emitted from the laser welding device 300 can pass through the second window 212, the control shaft 600 is disposed coaxially with the extending direction of the vertical axis Y1 and passes through the first window 211, the welding jig 500 and the control shaft 600 are disposed along the vertical axis Y1, the laser welding device 300 and the ranging device 400 are disposed along the transverse axis X1, and the laser emitted from the laser welding device 300 and the ranging device 400 is also emitted along the transverse axis X1.
Further, as shown in fig. 1 to 2, a first penetrating portion 2111 is disposed at the first window 211, a second penetrating portion 2121 is disposed at the second window 212, the welding laser emitted by the laser welding apparatus 300 and the ranging laser emitted by the ranging apparatus 400 can penetrate the first penetrating portion 2111 and the second penetrating portion 2121, and a silicone pad is disposed between the first penetrating portion 2111 and the second penetrating portion 2121 and the first window 211 and the second window 212, respectively, for sealing the welding cavity 200. Specifically, the first penetrating portion 2111 and the second penetrating portion 2121 are light-transmitting lenses, and the light-transmitting lenses not only can penetrate the welding laser emitted by the laser welding device 300 and the ranging laser emitted by the ranging device 400, but also can achieve a good sealing effect in the welding cavity 200.
Further, as shown in fig. 1 to 5, wherein the welding cavity 200 further includes: third window 250 and weld cavity door 260. The third window 250 is disposed outside the welding cavity 200, and the third window 250 can observe the inside of the welding cavity 200. The welding cavity door 260 is disposed at one side of the welding cavity 200, and the welding cavity 200 can open or close the welding cavity 200 for quick installation of the welding jig 500 and loading and unloading of the battery. Specifically, as shown in fig. 1, a third window 250 is provided with a high speed camera 251 to monitor the welding process in real time.
Further, as shown in fig. 2, the welding cavity 200 further includes: a vacuum pumping section 271, a vacuum detecting section 272, and a vacuum standby section 273. The vacuumizing port is positioned at one side of the welding cavity 200, and is communicated with the inside of the welding cavity 200 and a vacuum pump, and the vacuum pump is used for vacuumizing the inside of the welding cavity 200. The vacuum detecting portion 272 and the vacuumizing portion 271 are located on the same side of the welding cavity 200, and the vacuum detecting portion 272 can monitor whether the vacuum degree in the welding cavity 200 reaches a preset value. Specifically, the vacuum detection portion 272 is configured with a pressure sensor, and is configured to monitor the vacuum degree in the welding cavity 200 in real time, so that the vacuum degree in the welding cavity 200 meets the welding requirement, and the welding efficiency and the yield are improved. The vacuum standby part 273 and the vacuumizing part 271 are positioned on the same side of the welding cavity 200, and are used for providing additional vacuum sealing for the welding cavity 200 when needed, so that the vacuum degree inside the welding cavity 200 is guaranteed, and the welding efficiency and the yield are improved.
Further, as shown in fig. 2, the welding cavity 200 further includes: the lifting ring 274 is used for carrying the welding chamber 200. During the process of transporting the welding cavity 200, the lifting ring 274 is positioned at a stressed position of the welding cavity 200.
The embodiment of the present application also provides a battery welding method, by which the welding target is welded by the battery welding device according to any one of the foregoing embodiments of the present application, as shown in fig. 1, the battery welding device includes: mounting plate 100, welding chamber 200, laser welding apparatus 300, distance measuring apparatus 400, and control unit. The mounting plate 100 includes a mounting surface 110. The welding cavity 200 is disposed on the mounting surface 110, the welding target is disposed inside the welding cavity 200, and the welding cavity 200 includes a light-transmitting portion 210. The laser welding apparatus 300 is provided on the same side of the welding chamber 200 as the light-transmitting portion 210, and the laser welding apparatus 300 is capable of emitting welding laser light, which is capable of welding a welding target through the light-transmitting portion 210. The ranging apparatus 400 is disposed between the laser welding apparatus 300 and the light-transmitting portion 210, and the ranging apparatus 400 is capable of measuring a distance between the welding laser emitted from the laser welding apparatus 300 and the welding target and generating a ranging signal. The control part is electrically connected to the laser welding apparatus 300, and the control part can control the distance between the welding laser and the welding target according to the ranging signal.
As shown in fig. 6, the battery welding method includes: placing a welding target in the welding cavity 200; controlling the ranging apparatus 400 to measure a distance between the welding target and the laser welding apparatus 300 and obtain a ranging signal; according to the ranging signal, the control part adjusts the distance between the laser welding apparatus 300 and the welding target; the laser welding apparatus 300 is controlled to emit welding laser light such that the welding laser light welds the welding target through the light-transmitting portion 210.
According to the battery welding method of the embodiment of the application, in the process of welding the battery, the distance between the welding laser emitted by the laser welding device 300 and the welding target is measured by the distance measuring device 400 and a distance measuring signal is generated, the distance between the welding laser and the welding target is controlled by the control part, and finally the welding target is welded by controlling the laser welding device 300 to emit the welding laser, so that the accuracy and consistency of the distance between the welding laser and the welding target in the welding process are improved, and the welding accuracy and the welding yield are improved.
The foregoing description is only of the preferred embodiments of the present invention and is not intended to limit the scope of the invention, and all equivalent structural changes made by the description of the present invention and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the invention.
Claims (5)
1. A battery welding device, characterized in that the battery welding device comprises:
a mounting plate, the mounting plate comprising a mounting surface;
The welding cavity, the welding cavity set up in the installation face, the welding target is located welding cavity is inside, the welding cavity includes printing opacity portion, vertical axis, cross axle and third window, the vertical axis is along perpendicular to the direction of the plane that the installation face is located extends, the cross axle is along being parallel to the direction of the plane that the installation face is located extends, the cross axle with the vertical axis mutually perpendicular, the printing opacity portion includes: the welding device comprises a welding cavity, a first window and a second window, wherein the first window is arranged on the outer side of the welding cavity in a protruding mode along a vertical axis, a second sealing piece is arranged at the joint of the first window and the outer side of the welding cavity, the second window is arranged on the outer side of the welding cavity in a protruding mode along a transverse axis, a third sealing piece is arranged at the joint of the second window and the outer side of the welding cavity, the third window is arranged on the outer side of the welding cavity, the third window can observe the inner side of the welding cavity, and a high-speed camera is arranged on the third window;
The laser welding device and the light-transmitting part are arranged on the same side of the welding cavity, the laser welding device can emit welding laser, and the welding laser can weld a welding target through the light-transmitting part;
The distance measuring device is arranged between the laser welding device and the light transmission part, can measure the distance between welding laser emitted by the laser welding device and a welding target and generate a distance measuring signal, and comprises a laser distance meter; and
A control part electrically connected with the laser welding equipment, wherein the control part can control the distance between the welding laser and the welding target according to the ranging signal;
the welding jig is arranged in the welding cavity and can clamp and fix a welding target; and
The control shaft comprises a first part penetrating through the welding cavity and a second part exposed out of the welding cavity, one end of the first part is connected with the welding jig, the control part can control the control shaft to drive the welding jig to do linear motion and/or rotary motion along the axial direction of the control shaft according to the ranging signal, the second part is coaxially connected with the first part, and a first sealing piece is arranged at the joint of the second part and the welding cavity;
The laser welding device comprises a welding cavity, a light transmission part, a laser welding device and a control shaft, wherein the light transmission part and the laser welding device are positioned on the same side of the welding cavity and are arranged along a vertical shaft or a horizontal shaft, welding laser emitted by the laser welding device can pass through the first window or the second window, and the control shaft and the horizontal shaft extend in the same axial direction and pass through the second window or the first window.
2. The battery welding device according to claim 1, wherein a first penetrating portion is provided at the first window, a second penetrating portion is provided at the second window, and the welding laser emitted by the laser welding apparatus and the ranging laser emitted by the ranging apparatus can penetrate the first penetrating portion and the second penetrating portion, respectively.
3. The battery welding device of claim 1, wherein the welding cavity further comprises:
the welding cavity door is arranged on one side of the welding cavity, and the welding cavities can be opened or closed.
4. The battery welding device of claim 3, wherein the welding cavity further comprises:
the vacuumizing part is provided with a vacuumizing port which is positioned at one side of the welding cavity and communicated with the inside of the welding cavity and the vacuum pump; and
The vacuum detection part and the vacuumizing part are positioned on the same side of the welding cavity, and the vacuum detection part can monitor the vacuum degree in the welding cavity; and
And the vacuum standby part and the vacuumizing part are positioned on the same side of the welding cavity.
5. A battery welding method, characterized by welding a welding target by the battery welding apparatus according to any one of claims 1 to 4, comprising:
placing a welding target in the welding cavity;
Controlling the distance measuring equipment to measure the distance between the welding target and the laser welding equipment and obtaining a distance measuring signal;
controlling the control part to adjust the distance between the laser welding equipment and the welding target according to the ranging signal; and
And controlling the laser welding equipment to emit welding laser so that the welding laser can weld a welding target through the light-transmitting part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311550543.6A CN117464209B (en) | 2023-11-17 | 2023-11-17 | Battery welding device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311550543.6A CN117464209B (en) | 2023-11-17 | 2023-11-17 | Battery welding device and method |
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| Publication Number | Publication Date |
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| CN117464209A CN117464209A (en) | 2024-01-30 |
| CN117464209B true CN117464209B (en) | 2024-07-19 |
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| CN202311550543.6A Active CN117464209B (en) | 2023-11-17 | 2023-11-17 | Battery welding device and method |
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| CN103817434A (en) * | 2012-11-15 | 2014-05-28 | Fei公司 | Dual laser beam system used with an FIB and/or electron microscope |
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| JP2010040946A (en) * | 2008-08-07 | 2010-02-18 | Sinfonia Technology Co Ltd | Vacuum treatment device |
| DE102008061977B4 (en) * | 2008-12-12 | 2010-09-02 | Deutsches Zentrum für Luft- und Raumfahrt e.V. | Device for docking a service satellite to a target satellite |
| CN204430556U (en) * | 2014-12-28 | 2015-07-01 | 浙江嘉泰激光科技有限公司 | A kind of multiple beam recombination laser impacts micro forming processing unit (plant) |
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