CN210937646U - Welding clamp plate, suction dust removal device and ultrasonic welding device - Google Patents
Welding clamp plate, suction dust removal device and ultrasonic welding device Download PDFInfo
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- CN210937646U CN210937646U CN201920555783.8U CN201920555783U CN210937646U CN 210937646 U CN210937646 U CN 210937646U CN 201920555783 U CN201920555783 U CN 201920555783U CN 210937646 U CN210937646 U CN 210937646U
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Abstract
The utility model relates to a welding clamp plate, suction dust collector and ultrasonic bonding device, the welding clamp plate sets up in the top by the weldment. And the welding pressure plate is provided with a through hole so that dust generated in the welding process can pass through the through hole. The welding pressing plate realizes efficient dust removal in the welding process.
Description
Technical Field
The utility model relates to a battery manufacturing and processing field specifically relates to a welding clamp plate, suction dust collector and ultrasonic bonding device for dust control.
Background
In the manufacturing process of the lithium ion battery, tabs (the anode is Al, and the cathode is Cu) on a battery cell need to be welded with corresponding connecting sheets (the anode is Al, and the cathode is Cu), and the welding technology used in the current process is ultrasonic welding.
In ultrasonic welding, a high-frequency vibration wave is transmitted to the surfaces of two objects to be welded, and the surfaces of the two objects are rubbed against each other under pressure to form fusion between the molecular layers. In the process of ultrasonic welding, metal particles on the lug and the connecting sheet are bound to splash due to the welding principle, and if the metal particles splash to the inside of the winding core, the battery can be subsequently expanded, smoked, burned or even exploded, so that the life and property safety of staff and customers is endangered.
At present, the dust removal mode of the ultrasonic welding process in the industry is mainly the suction dust removal at the ultrasonic welding head. If the suction dust removal port is of a closed structure, ultrasonic wave attenuation can be caused, and the welding requirement is not met. But the structure has the defect of leakage, so that the dust extraction wind speed is low, and the dust extraction effect is not ideal.
Therefore, there is a need for a dust removing device that is more efficient and has less impact on welding.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a welding clamp plate is equipped with the through-hole on welding clamp plate, and the powder that makes the emergence in the welding process is taken out from welding emergence position through the through-hole. The defects of the traditional mode are effectively avoided, and the problem of metal dust splashing in the ultrasonic welding process is improved.
In order to achieve the above object, the embodiment of the present invention provides a technical solution that:
the utility model discloses an in the first aspect, a welding clamp plate is provided, welding clamp plate sets up in the top by the weldment to be equipped with the through-hole, so that the dust that produces among the welding process can pass from wherein.
According to one embodiment, the welding platen comprises a welding platen gap for receiving a welding head, the through-hole being arranged around or on both sides of the welding platen gap.
According to one embodiment, the welding platen may include a welding platen body and a rubber pad, which may be disposed at a top and/or bottom of the welding platen body.
According to one embodiment, the shape of the through hole may be circular, elongated, or square.
In a second aspect of the present invention, there is provided a suction and dust removal device, the suction and dust removal device comprises a suction device and a first aspect, wherein the welding pressing plate, the suction device comprises a conveying pipe and a suction hood which are communicated with each other, the suction hood covers the welding pressing plate in a closed manner, and surrounds the welding pressing plate the through hole.
According to one embodiment, the suction hood comprises a suction hood recess for receiving the welding head, the shape of which recess can, for example, at least partially match the shape of the edge of the ultrasonic welding head.
According to one embodiment, the inner space of the conveying pipe, the inner space of the dust hood, and the inner space of the through hole of the welding press plate together may form a surrounding closed space in a sealed manner; and the upper end of the conveying pipe can be in open communication with another section of the conveying pipe of the suction device or the dust collection device, and the lower end of the through hole of the welding pressure plate is in open communication with a space above the welded piece.
In a third aspect of the present invention, an ultrasonic welding device for processing a battery is provided, and is characterized in that the ultrasonic welding device includes an ultrasonic welding head and the suction dust removal device of the second aspect, wherein a welded piece is located between two battery cores of the battery, the welding pressure plate of the suction dust removal device is closely attached to and covers edges of the two battery cores of the battery, and the through hole is located outside the edges of the battery cores.
According to one embodiment, the ultrasonic horn may be at least partially received in the weld platen gap of the weld platen.
According to one embodiment, the distance between the plane of the lower edge of the dust hood of the dust suction and removal device and the upper surface of the workpiece to be welded is 3 cm.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the embodiments will be briefly described below, and it should be apparent that the drawings in the following description are only some embodiments of the present invention, and do not constitute a limitation of the present invention.
Fig. 1 is a schematic structural view of an ultrasonic welding apparatus according to an embodiment of the present invention;
fig. 2 is a front view of an ultrasonic welding device according to an embodiment of the present invention;
fig. 3 is a top view of an ultrasonic welding device according to an embodiment of the present invention;
fig. 4 is a side view of the structure of an ultrasonic welding device according to an embodiment of the present invention (the ultrasonic welding head is omitted);
fig. 5 is a schematic structural view of a welding pressing plate according to an embodiment of the present invention;
fig. 6 is a side view of another ultrasonic welding device according to an embodiment of the present invention (the ultrasonic horn is omitted).
Fig. 7A to 7E are schematic diagrams illustrating a working flow of an ultrasonic welding apparatus according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. It should be understood that the following detailed description is illustrative of the invention only and is not to be construed as limiting the scope of the invention.
The utility model provides a be used for ultrasonic welding device of lithium cell manufacturing and processing process frequently. The apparatus will now be described in detail with reference to the accompanying drawings.
As shown in fig. 1 and 2, a perspective view and a front view of an embodiment of the present invention are shown, which is applied to a battery manufacturing process, wherein the battery includes two battery cells 20, and a battery positive electrode 31, a positive electrode connecting piece 33, a battery negative electrode 35 and a negative electrode connecting piece 37 located between the two battery cells 20.
As shown in fig. 3 and 4, which show a top view and a side view of this embodiment. According to the present embodiment, the battery positive electrode 31 and the positive electrode connecting piece 33 are welded together by the welding device 10. Although not shown, it is also understood that the battery negative electrode 31 and the negative electrode connection piece 33 are also welded together by the welding device 10. The welding device 10 comprises an ultrasonic horn 11, said ultrasonic horn 11 acting on the piece to be welded. The members to be welded are, in the present embodiment, the battery positive electrode 31 and the positive electrode connecting piece 33. However, the present invention is also applicable to other welding forms that may generate dust during the welding process.
According to the present embodiment, dust generated during the welding process is extracted using the suction dust removing device 40 using a vacuum or negative pressure suction principle. The suction dust removing device 40 includes a suction device 41 and a welding platen 43.
The weld pressure plate 43 includes a through hole 431. The two side edge portions 433 of the welding pressure plate 43 respectively press and cover the edge portions of the two battery cells 20, so that the through hole 431 of the welding pressure plate 43 is at least partially located between the two battery cells 20 and approximately above the battery positive electrode 31 and the positive electrode connecting piece 33.
The suction device 41 includes a suction hood 411 and a delivery pipe 413 communicating with each other, and the suction hood 411 is covered on the welding press plate 43 such that a through hole 431 of the welding press plate 43 is in fluid communication with the suction hood 411 and the delivery pipe 413. The edge of the dust hood 411 may completely surround the through hole 431 of the welding press plate 43. Preferably, the dust hood 411 is covered on the welding press plate 43 in a sealing manner, whereby the inner space S1 of the delivery pipe 413, the inner space S2 of the dust hood 411, and the inner space S3 of the through hole 431 of the welding press plate 43 together form a space enclosed therearound in a sealing manner. The upper end of the delivery pipe 413 is in open communication with another length of the delivery pipe of the suction device 41 or a dust collection device (not shown), and the lower end of the through hole 431 of the welding press plate 43 is in open communication with a space above the workpiece to be welded, as shown in fig. 4.
Such a closed structure does not substantially affect the ultrasonic power and has little effect on the efficiency and quality of the welding.
According to one embodiment, the distance between the plane of the lower edge of the dust hood 411 of the dust suction and removal device and the upper surface of the workpiece to be welded is 3cm, so that efficient dust removal can be ensured while welding work is performed.
When welding is performed, the suction device 41 is activated and thus generates a negative pressure that acts on the battery positive electrode 31 and the positive electrode connection piece 33 welded below the welding pressure plate 43 in order through the delivery pipe 413, the dust hood 411, and the through hole 431 of the welding pressure plate 43, thereby causing welding dust generated at the battery positive electrode 31 and the positive electrode connection piece 33 to be sucked into a dust collection device (not shown) of the suction device 41 in order through the through hole 431, the dust hood 411, and the delivery pipe 413.
According to one embodiment, when welding is started, the ultrasonic horn 11 is transmitted to the surface of the object to be welded using a high-frequency vibration wave, and the surface of the object is rubbed under pressure to form fusion of the molecular layer while causing metal particles to splash. At this point the suction device 41 is switched on, for example the fan 4 of the suction device 41 is switched on, whereby a negative pressure is generated. This negative pressure acts on the periphery of the battery positive electrode 31 and the positive electrode connecting piece 33 welded below the welding pressure plate 43 sequentially through the delivery pipe 413, the dust suction cover 411, and the through hole 431 of the welding pressure plate 43. So that the welding dust generated at the battery positive electrode 31 and the positive electrode connection piece 33 and the dust splashed to the nearby position are sucked into the dust collecting device (not shown) of the suction device 41 through the through-hole 431, the dust suction cover 411, and the delivery pipe 413 in this order.
In the present embodiment, the welding pressure plate 43 has 6 through holes 431 and a circular cross section. It will be appreciated that the through-holes may be provided in other numbers and may be provided in other shapes in cross-section, for example square or elongate.
In another embodiment, as shown in fig. 5, the weld platen 43 further includes a weld platen gap 435 between at least a portion of the through-holes 431 for at least partially passing the ultrasonic horn 11 therethrough. The shape of the weld platen gap 435 may, for example, at least partially match the shape of the edge of the ultrasonic horn 11. The through-holes of the welding pressure plate 43 generally surround the welding pressure plate gap 435 on the whole or are arranged on both sides of the welding pressure plate gap 435. Preferably, the suction hood 411 of the suction device 41 is provided with a suction hood indentation 415, the shape of which suction hood indentation 415 can, for example, at least partially match the shape of the edge of the ultrasound horn 11. The ultrasonic horn 11 is at least partially received in the suction hood indentation 415 and the weld platen indentation 435. Preferably, the lower edge of the dust hood 411 has a shape that matches the outer edge of the welded press plate 435.
In another embodiment, as shown in fig. 6, the welding platen 43' includes a welding platen body 43a and an elastic layer 43b, and the elastic layer 43b is closely attached to the upper surface of the welding platen body 43 a. It is understood that the elastic layer 43b may be closely attached to the lower surface of the welding platen body 43 a. Alternatively, the welding platen may also include a plurality of welding platen bodies and a plurality of elastic layers that may be closely attached to the upper and lower surfaces of the welding platen bodies.
In one embodiment of the present invention, the work flow of the ultrasonic welding dust removing device is as shown in fig. 7A to 7E.
First, as shown in fig. 7A and 7B, the welding platen 43 (including the welding platen body 43a, the elastic layer 43B) and the suction device 41 are pressed down together until the welding platen 43 comes into contact with and is pressed over the cell. Thereafter, as shown in fig. 7B and 7C, the upper and lower ultrasonic welding heads 11 are moved toward each other until they are suitable for welding work on the work piece. At the same time as the welding work by the welding head 11, the suction device 41 also performs a suction dust removal work so that the metal particles splashed generated around the work piece to be welded are sucked into the dust collection device (not shown) of the suction device 41 through the through hole 431 of the welding platen 43, the dust suction hood 411 of the suction device 41, and the delivery pipe 413 in this order. After the welding operation is completed, the upper and lower ultrasonic horn 11 is returned to the original position from the welding position, as shown in fig. 7D. Finally, as shown in fig. 7E, the welding platen 43 and the suction device 41 are also moved up to return to the original position.
The utility model discloses abandon traditional dust removal mode, select to establish suction dust removal mechanism on the welding briquetting, both can avoid traditional suction device to be non-enclosed construction to ultrasonic power and take out the influence of utility model dirt wind speed, can save equipment inner space again, need not additionally to increase the mechanism on ultrasonic welding equipment.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (9)
1. A welding pressure plate is characterized in that,
the welding pressure plate is arranged above the welded piece; and
the welding pressure plate is provided with a through hole so that dust generated in the welding process can pass through the through hole;
the welding pressing plate comprises a welding pressing plate notch for receiving the welding head, and the through holes are surrounded around the welding pressing plate notch or arranged on two sides of the welding pressing plate notch.
2. The welding platen of claim 1, comprising a welding platen body and rubber pads disposed on a top and/or bottom of the welding platen body.
3. The welding platen according to claim 1, wherein the through-hole is circular, elongated or square in shape.
4. An extraction dust device, characterized in that it comprises an extraction device and a welding platen according to any one of claims 1-3,
the suction device comprises a conveying pipe and a dust hood which are communicated with each other, wherein the dust hood covers the welding pressing plate in a closed mode and surrounds the through hole of the welding pressing plate.
5. The suction extraction device of claim 4, wherein the suction hood includes a suction hood indentation that receives the horn, the suction hood indentation having a shape that at least partially matches a shape of an edge of the ultrasonic horn.
6. The suction cleaner as claimed in claim 5, wherein the inner space of the duct, the inner space of the suction hood, and the inner space of the through-hole of the welding press plate together form a surrounding closed space in a sealed manner; and is
The upper end of the conveying pipe is in open communication with the other section of conveying pipe of the suction device or the dust collecting device, and the lower end of the through hole of the welding pressing plate is in open communication with a space above a welded part.
7. An ultrasonic welding device for processing a battery, characterized in that the ultrasonic welding device comprises an ultrasonic welding head and the suction dust removal device of claim 6, wherein a welded piece is located between two electric cores of the battery, the welding pressure plate of the suction dust removal device is closely attached to the edges of the two electric cores of the battery, and the through hole is located outside the edges of the electric cores.
8. The ultrasonic welding device of claim 7, wherein the ultrasonic horn is at least partially received in the weld platen gap of the weld platen.
9. The ultrasonic welding device according to claim 7 or 8, wherein the distance between the plane of the lower edge of the dust hood of the suction and dust removal device and the upper surface of the workpiece to be welded is 3 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920555783.8U CN210937646U (en) | 2019-04-22 | 2019-04-22 | Welding clamp plate, suction dust removal device and ultrasonic welding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920555783.8U CN210937646U (en) | 2019-04-22 | 2019-04-22 | Welding clamp plate, suction dust removal device and ultrasonic welding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210937646U true CN210937646U (en) | 2020-07-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920555783.8U Expired - Fee Related CN210937646U (en) | 2019-04-22 | 2019-04-22 | Welding clamp plate, suction dust removal device and ultrasonic welding device |
Country Status (1)
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| CN (1) | CN210937646U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112192025A (en) * | 2020-10-19 | 2021-01-08 | 厦门海辰新能源科技有限公司 | Clamp, cover plate, fixing device and fixing method |
-
2019
- 2019-04-22 CN CN201920555783.8U patent/CN210937646U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112192025A (en) * | 2020-10-19 | 2021-01-08 | 厦门海辰新能源科技有限公司 | Clamp, cover plate, fixing device and fixing method |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200707 Termination date: 20210422 |