Lithium battery ultrasonic welding dust removal device

Abstract

The utility model provides a lithium battery ultrasonic welding dust removal device, which relates to the technical field of battery welding and comprises an ultrasonic welding device, a dust collection mechanism and an annular dust collection head, the dust collection mechanism is mounted on the ultrasonic welding device, the annular dust collection head is connected with the dust collection mechanism through a hose, and the ultrasonic welding device is provided with a welding base. The annular dust collection head surrounds the welding base and can be lifted to adjust the position; welding particles on a welded object are cleaned in the circumferential direction through the annular dust collection head.

Description

Technical Field

[0001] The utility model relates to the technical field of battery welding, in particular to a dust removal device for ultrasonic welding of lithium batteries. Background Art

[0002] An ultrasonic metal welding machine is an advanced high-tech device that converts high-frequency electrical energy into mechanical vibration energy through a transducer and acts on workpieces, generating high-frequency friction between the surfaces of the two workpieces until the surfaces of the two workpieces heat up and are welded together. Generally, an ultrasonic welding machine includes a frame, a welding base, and a welding head.

[0003] However, in the actual use process of the existing ultrasonic welding device, due to the limitations of its structure and design, during ultrasonic welding, due to the high-frequency vibration at the welding point, metal particles on the surface of the mold will fall off due to vibration and float in the air around the welding point during the welding process. The metal particles and debris generated by welding may float along the tab into the battery and cause a short circuit. Summary of the Utility Model

[0004] The technical problem to be solved by the utility model is to provide a dust removal device for ultrasonic welding of lithium batteries to solve the problem of having metal particles around the welding point during the ultrasonic welding process.

[0005] Regarding the technical problems existing in the background art, the utility model proposes a dust removal device for ultrasonic welding of lithium batteries, including an ultrasonic welding device, a dust suction mechanism, and an annular dust suction head. The dust suction mechanism is installed on the ultrasonic welding device. The annular dust suction head is connected to the dust suction mechanism through a hose. The ultrasonic welding device has a welding base, and the annular dust suction head surrounds the welding base and can be adjusted in position up and down.

[0006] Preferably, an annular track is further installed on the ultrasonic welding device. A hook-shaped slider is slidably installed on the annular track. Three rollers are rotatably installed on the slider, and the three rollers are arranged in an inverted U shape on the slider, and the three rollers are in contact with the annular track.

[0007] Preferably, the roller at the top of the annular track is spherical.

[0008] Preferably, a lifting device is installed on the slider, and the end of the lifting device is connected to the annular dust suction head through a fastener.

[0009] Preferably, the annular dust suction head is provided with dust suction holes facing the welding base.

[0010] Preferably, the dust suction mechanism is connected to a controller.

[0011] Compared with the prior art, a lithium battery ultrasonic welding dust removal device proposed by the present utility model adopts the above technical solution and achieves the following technical effects:

[0012] The present utility model uses an annular dust suction head to circumferentially clean welding particles of a welded object, and can simultaneously suck and clean floating particles around the pole piece, improving the cleanliness around the pole piece during welding and reducing the influence of floating metal particles. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 is a three-dimensional structural schematic diagram of the present utility model;

[0014] Figure 2 is a structural schematic diagram of the dust suction mechanism of the present utility model.

[0015] In the figure: 1. Ultrasonic welding device; 2. Dust suction mechanism; 3. Annular dust suction head; 11. Welding base; 4. Annular track; 5. Slider; 51. Roller; 6. Lifting device; 7. Fastener; 31. Dust suction hole; 8. Controller. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0016] In the present utility model, unless otherwise clearly defined and limited, terms such as "installation", "connection", "connection", "fixation" and other terms should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection, an electrical connection or communication with each other; it can be directly connected, or indirectly connected through an intermediate medium, and can be the internal connection of two components or the interaction relationship between two components, unless otherwise clearly defined. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0017] In the present utility model, unless otherwise clearly defined and limited, the first feature being "on" or "under" the second feature can be that the first and second features are in direct contact, or the first and second features are indirectly in contact through an intermediate medium. Moreover, the first feature being "above", "over" and "on" the second feature can be that the first feature is directly above or obliquely above the second feature, or simply means that the first feature has a higher horizontal height than the second feature. The first feature being "under", "beneath" and "under" the second feature can be that the first feature is directly below or obliquely below the second feature, or simply means that the first feature has a lower horizontal height than the second feature.

[0018] Embodiment

[0019] Please refer to Figure 1 - Figure 2, the present utility model proposes a dust removal device for ultrasonic welding of lithium batteries, which includes an ultrasonic welding device 1, a dust suction mechanism 2 and an annular dust suction head 3. The dust suction mechanism 2 is installed on the ultrasonic welding device 1, and the annular dust suction head 3 is connected to the dust suction mechanism 2 through a hose. The ultrasonic welding device 1 has a welding base 11, and the annular dust suction head 3 surrounds the welding base 11 and can be lifted and adjusted in position. During operation, the electrode plate to be welded is placed on the welding base 11. There is a lifting rod on the ultrasonic welding device 1 that will extend and press the base to fix the electrode plate. At this time, the ultrasonic welding device 1 works to weld the electrode plate. During the welding process, there are floating metal particles generated due to vibration around the electrode plate. At the same time, the dust suction mechanism 2 operates, and the dust suction mechanism 2 makes the annular dust suction head 3 have suction through the hose. At this time, the annular dust suction head 3 can be lifted at a short distance, and its lifted horizontal position will be between the upper part and the lower part of the electrode plate. The electrode plate is always located within the annular space of the annular dust suction head 3. The annular dust suction head 3 can clean the metal particles around the electrode plate at the same time, avoiding the entry of metal particles into the battery due to insufficient cleaning efficiency.

[0020] In the specific implementation manner, referring to Figure 1 , Figure 2 , an annular track 4 is further installed on the ultrasonic welding device 1. A hook-shaped slider 5 is slidably installed on the annular track 4. Three rollers 51 are rotatably installed on the slider 5, and the three rollers 51 are arranged in an inverted U shape on the slider 5. The three rollers 51 are in contact with the annular track 4. Due to the different sizes and shapes of the battery packs, the positions of the battery packs placed on the welding base 11 during the electrode plate welding process will also be different. The annular track 4 and the annular dust suction head 3 are connected through a lifting device 6. Therefore, the annular dust suction head 3 can adjust its position on the annular track 4 through the slider 5 to avoid blocking the line of sight of the lifting device 6. There is a raised ring on the annular track 4, and the slider 5 can be hung on the raised part of the annular track 4. The slider 5 reduces friction through the rollers 51. A driving motor is installed on one of the rollers 51, which can drive the roller 51 to run and drive the slider 5 to slide on the annular guide rail.

[0021] In the specific implementation manner, referring to Figure 1 , the roller 51 located at the top of the annular track 4 is spherical; the roller 51 at the top of the annular track 4 can avoid wear caused by the differential speed between the inner ring and the outer ring.

[0022] In the specific implementation manner, referring to Figure 1 , Figure 2 , a lifting device 6 is installed on the slider 5, and the end of the lifting device 6 is connected to the annular dust suction head 3 through a fastener 7; the lifting device 6 installed on the slider 5 can adjust the horizontal position of the annular dust suction head 3 relative to the electrode plate, and then absorb the metal particles around the electrode plate.

[0023] In the specific implementation manner, with reference to Figure 1 and Figure 2 , a dust suction hole 31 facing the welding base 11 is formed in the annular dust suction head 3.

[0024] In the specific implementation manner, with reference to Figure 1 and Figure 2 , the dust suction mechanism 2 is connected with a controller 8; the controller 8 can control the dust suction power of the dust suction mechanism 2.

[0025] The above are only the preferred specific implementation manners of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model, according to the technical solution of the present utility model and its inventive concept, makes equivalent replacements or changes, and should be covered by the protection scope of the present utility model.

Claims

1. A lithium battery ultrasonic welding dust removal device, characterized in that: The ultrasonic welding device comprises an ultrasonic welding device (1), a dust suction mechanism (2) and an annular dust suction head (3); the dust suction mechanism (2) is mounted on the ultrasonic welding device (1); the annular dust suction head (3) is connected to the dust suction mechanism (2) via a hose; the ultrasonic welding device (1) is provided with a welding base (11); the annular dust suction head (3) surrounds the welding base (11) and can be raised and lowered to adjust its position.

2. The lithium battery ultrasonic welding dust removal device according to claim 1, characterized in that: The ultrasonic welding device (1) is also provided with an annular track (4), on which a barbed-hook slider (5) is slidably mounted, and on which three rollers (51) are rollingly mounted, wherein the three rollers (51) are arranged in an inverted U shape on the slider (5), and the three rollers (51) are in contact with the annular track (4).

3. The lithium battery ultrasonic welding dust removal device according to claim 2, characterized in that: The roller (51) located at the top end of the annular track (4) is spherical.

4. The lithium battery ultrasonic welding dust removal device according to claim 2, characterized in that: A lifting device (6) is installed on the slider (5), and the end of the lifting device (6) is connected to the annular dust collector head (3) through a fastener (7).

5. The lithium battery ultrasonic welding dust removal device according to claim 1, characterized in that: The annular dust suction head (3) is provided with a dust suction hole (31) facing the welding base (11).

6. The lithium battery ultrasonic welding dust removal device according to claim 1, characterized in that: The dust suction mechanism (2) is connected to a controller (8).

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