An integrated energy storage lithium battery laser welding machine
By introducing positioning components and absorbing components into the lithium battery laser welding machine, the problems of the impact of connecting sheet lift and dust during the lithium battery welding process are solved, and the stability and high quality of welding are achieved.
Patent Information
- Application Number
- CN202421480293.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-26
- Publication Date
- 2025-04-08
- Estimated Expiration
- 2034-06-26
AI Technical Summary
During the welding process of lithium battery, the height error of the connecting piece leads to unstable welding, and dust on the surface of the lithium battery affects the welding quality.
An integrated energy storage lithium battery laser welding machine is designed, using positioning components and absorption components. The positioning assembly uses a servo motor and a transmission rod to ensure that both sides of the connecting plate are pressed evenly to prevent lifting. The absorption assembly passes through a centrifugal fan and filter to remove dust from the surface of the lithium battery.
The stability and uniform heating during the welding process are achieved, the impact of dust on welding quality is avoided, and the overall quality of welding is improved.
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Figure CN222725723U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of laser welding, in particular to an integrated energy storage lithium battery laser welding machine. Background Art
[0002] Laser welding machine is a device that uses laser beam for welding. The laser beam heats the workpiece as a heat source, causing it to melt instantly and form a welding joint, thereby realizing the welding operation.
[0003] In the process of welding lithium batteries, connecting plates are often used to connect multiple lithium batteries. If there is an error in the height of the lithium batteries, when welding one side of the connecting plate, the other side of the connecting plate will be lifted, resulting in unstable welding. At the same time, during the handling and storage of lithium batteries, dust is likely to form on the surface, which will affect the heating uniformity and energy transfer in the welding area, thereby affecting the welding quality.
[0004] To this end, we proposed an integrated energy storage lithium battery laser welding machine. Utility Model Content
[0005] The utility model provides an integrated energy storage lithium battery laser welding machine.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an integrated energy storage lithium battery laser welding machine, comprising a machine platform, both sides of the upper surface of the machine platform are fixedly connected with sliding components, the outer surface of the sliding component is slidably connected with a welding component, the lower surface of the welding component is provided with a cavity, the interior of the cavity is fixedly installed with a positioning component, and the upper surface of the welding component is fixedly connected with an absorption component;
[0007] The positioning assembly includes a servo motor, the outer surface of which is fixedly installed inside a cavity, the output end of the servo motor is splined with a transmission rod, one end of the transmission rod is fixedly connected to a rotating plate, one end of the lower surface of the rotating plate is fixedly connected to a damping rod, the bottom end of the damping rod is fixedly connected to a pressing plate, and the upper surface of the pressing plate is fixedly connected to a spring located on the periphery of the damping rod.
[0008] Preferably, the sliding assembly includes a vertical rod, the bottom end of the vertical rod is fixedly connected to one side of the upper surface of the machine platform, the top end of the vertical rod is fixedly connected to a vertical slide rail, the outer surface of the vertical slide rail is slidably connected to a first slider, and the upper surface of the first slider is fixedly connected to a transverse slide rail; both the vertical slide rail and the transverse slide rail are magnetically driven, which is convenient for controlling the position of the welding assembly.
[0009] Preferably, the welding assembly includes a second slider, the interior of the second slider is slidably connected to the outer surface of the transverse slide rail, the front surface of the second slider is fixedly connected to a limiting plate, the front surface of the limiting plate is fixedly connected to a pneumatic cylinder, the middle of the front surface of the pneumatic cylinder is fixedly connected to a laser head, and the bottom end of the front surface of the pneumatic cylinder is fixedly connected to a positioning plate; the second slider drives the limiting plate to slide left and right on the outer surface of the transverse slide rail, so that the laser head is in the desired position, and the pneumatic cylinder pushes the positioning plate to press and position the welding point of the connecting plate, thereby facilitating welding.
[0010] Preferably, the absorption component includes a collecting box, the lower surface of the collecting box is fixedly connected to the upper surface of the second slider, the front surface of the collecting box is fixedly connected to an extension tube, one end of the extension tube is fixedly connected to an enlarged head, one side of the inner wall of the collecting box is fixedly connected to a mounting frame, a centrifugal fan is fixedly installed on the back of the mounting frame, the other side of the inner wall of the collecting box is fixedly connected to a fixed frame, and the interior of the fixed frame is fixedly connected to a filter; the enlarged head is located obliquely above the positioning plate, and an external power supply starts the centrifugal fan, and the enlarged head absorbs dust on the surface of the battery through the extension tube, causing it to flow into the collection box, and the filter blocks the dust, thereby preventing the dust from affecting the quality of welding.
[0011] Preferably, the number of the vertical poles is four, and a bracket is fixedly connected to the front surface of one side of the vertical pole, and a control screen is fixedly connected to the front surface of the bracket; the control screen facilitates program setting of the device to adapt it to different welding requirements.
[0012] Preferably, a leg is fixedly connected to the bottom end of the platform, and an anti-skid pad is fixedly connected to the bottom end of the leg; the anti-skid pad facilitates improving the placement stability of the device.
[0013] Preferably, the laser head and the positioning plate are both located on the front surface of the movable head of the pneumatic cylinder and are distributed on the same horizontal line above and below; after the positioning plate presses and positions the connecting piece, the laser head performs laser welding on it.
[0014] Compared with the prior art, the beneficial effects of the utility model are:
[0015] 1. The utility model sets a positioning component, an external power supply starts the servo motor, and drives the rotating plate to rotate through the transmission rod, so that the pressing plate is on the required side of the positioning plate. When the positioning plate moves downward, the spring pushes the pressing plate to move downward, and at the same time presses the two sides of the connecting piece to prevent the connecting piece from warping up and causing unstable welding.
[0016] 2. The utility model sets an absorption component, the enlarged head is located obliquely above the positioning plate, and the external power supply starts the centrifugal fan. The enlarged head absorbs the dust on the surface of the battery through the extension tube and makes it flow into the collection box. The filter screen blocks the dust, thereby preventing the dust from affecting the quality of welding. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0018] Figure 2 This is a schematic diagram of the structure of the sliding assembly of the utility model;
[0019] Figure 3 This is a schematic diagram of the welding assembly structure of the utility model;
[0020] Figure 4 This is a schematic diagram of the positioning component structure of the utility model;
[0021] Figure 5 This is a schematic diagram of the structure of the absorption component of the utility model.
[0022] In the figure: 1. machine table; 2. sliding assembly; 201. vertical pole; 202. vertical slide rail; 203. first slider; 204. horizontal slide rail; 3. welding assembly; 301. second slider; 302. limit plate; 303. pneumatic cylinder; 304. laser head; 305. positioning plate; 4. positioning assembly; 401. servo motor; 402. transmission rod; 403. rotating plate; 404. damping rod; 405. pressing plate; 406. spring; 5. absorption assembly; 501. collection box; 502. extension tube; 503. enlarged head; 504. mounting frame; 505. centrifugal fan; 506. fixing frame; 507. filter; 6. control screen. DETAILED DESCRIPTION
[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0024] Example 1
[0025] See also Figure 1-Figure 5In the figure, an integrated energy storage lithium battery laser welding machine includes a machine table 1, both sides of the upper surface of the machine table 1 are fixedly connected with sliding components 2, the outer surface of the sliding component 2 is slidably connected with a welding component 3, the lower surface of the welding component 3 is provided with a cavity, the interior of the cavity is fixedly installed with a positioning component 4, and the upper surface of the welding component 3 is fixedly connected with an absorption component 5;
[0026] The positioning assembly 4 includes a servo motor 401, the outer surface of the servo motor 401 is fixedly installed inside the cavity, the output end of the servo motor 401 is splinedly connected to a transmission rod 402, one end of the transmission rod 402 is fixedly connected to a rotating plate 403, one end of the lower surface of the rotating plate 403 is fixedly connected to a damping rod 404, the bottom end of the damping rod 404 is fixedly connected to a pressing plate 405, and the upper surface of the pressing plate 405 is located on the periphery of the damping rod 404 and is fixedly connected to a spring 406.
[0027] In this implementation scheme: an external power supply starts the servo motor 401, which drives the rotating plate 403 to rotate through the transmission rod 402, so that the pressing plate 405 is on the required side of the positioning plate 305. When the positioning plate 305 moves downward, the spring 406 pushes the pressing plate 405 to move downward, and at the same time presses the two sides of the connecting piece to prevent the connecting piece from warping up, resulting in unstable welding.
[0028] See also Figure 1 and Figure 2 In the figure, the sliding assembly 2 includes a vertical rod 201, the bottom end of the vertical rod 201 is fixedly connected to one side of the upper surface of the machine platform 1, the top of the vertical rod 201 is fixedly connected to a vertical slide rail 202, the outer surface of the vertical slide rail 202 is slidably connected to a first slider 203, and the upper surface of the first slider 203 is fixedly connected to a transverse slide rail 204.
[0029] In this embodiment, the vertical slide rail 202 and the horizontal slide rail 204 are both magnetically driven, which facilitates the control of the position of the welding assembly 3.
[0030] Working principle: First, the control screen 6 is convenient for program setting of the device, then, the horizontal slide rail 204 slides back and forth on the outer surface of the vertical slide rail 202 through the first slider 203, and the second slider 301 drives the limit plate 302 to slide left and right on the outer surface of the horizontal slide rail 204, so that the laser head 304 is in the required position, and then, the enlarged head 503 is located obliquely above the positioning plate 305, and the external power supply starts the centrifugal fan 505, and the enlarged head 503 absorbs the dust on the surface of the battery through the extension tube 502, so that it flows into the collection box 501, and the filter screen 507 blocks the dust, and finally, the external power supply starts the servo motor 401, and drives the rotating plate 403 to rotate through the transmission rod 402, so that the pressing plate 405 is on the required side of the positioning plate 305, and the pneumatic cylinder 303 pushes the positioning plate 305 to press and position the welding part of the connecting piece, and at the same time, the spring 406 pushes the pressing plate 405 to move downward, and at the same time presses both sides of the connecting piece to prevent the connecting piece from tilting, resulting in unstable welding.
[0031] Example 2
[0032] See also Figure 1 and Figure 3 This embodiment further explains Example 1. In the figure, the welding assembly 3 includes a second slider 301. The inside of the second slider 301 is slidably connected to the outer surface of the transverse slide rail 204. The front surface of the second slider 301 is fixedly connected to a limiting plate 302. The front surface of the limiting plate 302 is fixedly connected to a pneumatic cylinder 303. The middle of the front surface of the pneumatic cylinder 303 is fixedly connected to a laser head 304. The bottom end of the front surface of the pneumatic cylinder 303 is fixedly connected to a positioning plate 305.
[0033] In this embodiment: the second slider 301 drives the limit plate 302 to slide left and right on the outer surface of the transverse slide rail 204, so that the laser head 304 is in the required position, and the pneumatic cylinder 303 pushes the positioning plate 305 to press and position the welding part of the connecting piece, thereby facilitating welding.
[0034] See also Figure 1 and Figure 5 In the figure, the absorption component 5 includes a collecting box 501, the lower surface of the collecting box 501 is fixedly connected to the upper surface of the second slider 301, the front surface of the collecting box 501 is fixedly connected to an extension tube 502, one end of the extension tube 502 is fixedly connected to an enlarged head 503, one side of the inner wall of the collecting box 501 is fixedly connected to a mounting frame 504, the back of the mounting frame 504 is fixedly installed with a centrifugal fan 505, the other side of the inner wall of the collecting box 501 is fixedly connected to a fixing frame 506, and the interior of the fixing frame 506 is fixedly connected to a filter screen 507.
[0035] In this embodiment: the enlarged head 503 is located obliquely above the positioning plate 305, and the external power supply starts the centrifugal fan 505. The enlarged head 503 absorbs the dust on the surface of the battery through the extension tube 502, causing it to flow into the collection box 501. The filter screen 507 blocks the dust, thereby preventing the dust from affecting the quality of welding.
[0036] See also Figure 1 and Figure 2 As shown in the figure, there are four upright poles 201, and a bracket is fixedly connected to the front surface of one side of the upright pole 201, and a control screen 6 is fixedly connected to the front surface of the bracket.
[0037] In this embodiment: the control screen 6 is convenient for programming the device to adapt it to different welding requirements.
[0038] Example 3
[0039] See also Figure 1 and Figure 2 In the figure, the bottom end of the machine 1 is fixedly connected with a supporting leg, and the bottom end of the supporting leg is fixedly connected with an anti-slip pad.
[0040] In this embodiment: the anti-skid pad is convenient for improving the placement stability of the device.
[0041] See also Figure 1 and Figure 3 In the figure, the laser head 304 and the positioning plate 305 are both located on the front surface of the movable head of the pneumatic cylinder 303 and are distributed on the same horizontal line above and below.
[0042] In this embodiment: after the positioning plate 305 presses and positions the connecting piece, the laser head 304 performs laser welding on it.
[0043] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include"-"comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process-method-article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process-method-article or device.
[0044] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. An integrated energy storage lithium battery laser welding machine, characterized in that: The machine comprises a platform (1), wherein both sides of the upper surface of the platform (1) are fixedly connected to sliding components (2), the outer surface of the sliding component (2) is slidably connected to a welding component (3), the lower surface of the welding component (3) is provided with a cavity, a positioning component (4) is fixedly installed inside the cavity, and the upper surface of the welding component (3) is fixedly connected to an absorption component (5); The positioning assembly (4) comprises a servo motor (401), the outer surface of the servo motor (401) is fixedly mounted inside the cavity, the output end of the servo motor (401) is spline-connected with a transmission rod (402), one end of the transmission rod (402) is fixedly connected with a rotating plate (403), one end of the lower surface of the rotating plate (403) is fixedly connected with a damping rod (404), the bottom end of the damping rod (404) is fixedly connected with a pressing plate (405), and the upper surface of the pressing plate (405) is located outside the damping rod (404) and is fixedly connected with a spring (406).
2. The integrated energy storage lithium battery laser welding machine according to claim 1, characterized in that: The sliding assembly (2) comprises a vertical rod (201), the bottom end of the vertical rod (201) is fixedly connected to one side of the upper surface of the machine platform (1), the top end of the vertical rod (201) is fixedly connected to a vertical slide rail (202), the outer surface of the vertical slide rail (202) is slidably connected to a first sliding block (203), and the upper surface of the first sliding block (203) is fixedly connected to a transverse sliding rail (204).
3. The integrated energy storage lithium battery laser welding machine according to claim 1, characterized in that: The welding assembly (3) comprises a second slider (301), the interior of the second slider (301) is slidably connected to the outer surface of the transverse slide rail (204), the front surface of the second slider (301) is fixedly connected to a limit plate (302), the front surface of the limit plate (302) is fixedly connected to a pneumatic cylinder (303), the middle of the front surface of the pneumatic cylinder (303) is fixedly connected to a laser head (304), and the bottom end of the front surface of the pneumatic cylinder (303) is fixedly connected to a positioning plate (305).
4. The integrated energy storage lithium battery laser welding machine according to claim 1, characterized in that: The absorption component (5) comprises a collection box (501), the lower surface of the collection box (501) is fixedly connected to the upper surface of the second slider (301), the front surface of the collection box (501) is fixedly connected to an extension tube (502), one end of the extension tube (502) is fixedly connected to an enlarged head (503), one side of the inner wall of the collection box (501) is fixedly connected to a mounting frame (504), a centrifugal fan (505) is fixedly mounted on the back of the mounting frame (504), the other side of the inner wall of the collection box (501) is fixedly connected to a fixing frame (506), and the interior of the fixing frame (506) is fixedly connected to a filter screen (507).
5. The integrated energy storage lithium battery laser welding machine according to claim 2, characterized in that: The number of the vertical poles (201) is four, and a bracket is fixedly connected to the front surface of one side of the vertical poles (201), and a control screen (6) is fixedly connected to the front surface of the bracket.
6. The integrated energy storage lithium battery laser welding machine according to claim 1, characterized in that: The bottom end of the platform (1) is fixedly connected to a support leg, and the bottom end of the support leg is fixedly connected to an anti-slip pad.
7. The integrated energy storage lithium battery laser welding machine according to claim 3 is characterized in that: The laser head (304) and the positioning plate (305) are both located on the front surface of the movable head of the pneumatic cylinder (303) and are distributed on the same horizontal line above and below.