CN215698828U - Welding equipment and battery production line - Google Patents
Welding equipment and battery production line Download PDFInfo
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- CN215698828U CN215698828U CN202120638408.7U CN202120638408U CN215698828U CN 215698828 U CN215698828 U CN 215698828U CN 202120638408 U CN202120638408 U CN 202120638408U CN 215698828 U CN215698828 U CN 215698828U
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Abstract
The utility model discloses welding equipment and a battery production line, and relates to the technical field of battery production. The welding equipment comprises a preheating mechanism and a welding mechanism. Preheating mechanism is close to welding mechanism and sets up, and preheating mechanism is used for preheating laminate polymer battery's utmost point ear, and welding mechanism is used for welding utmost point ear. This welding equipment and battery production line all have the welding effect better, the characteristics that the welding is firm.
Description
Technical Field
The utility model relates to the technical field of battery production, in particular to welding equipment and a battery production line.
Background
In the production process of the lithium battery, a welding process is crucial, and ultrasonic welding and laser welding are used in the industry at present, wherein the welding process of the soft package battery tab is mainly ultrasonic welding. However, the currently used ultrasonic welding has poor phenomena such as insufficient solder, over-soldering, solder penetration and the like, which cause that the tensile strength cannot be achieved, even leads to the phenomenon of solder failure during transfer welding and finally leads to the rejection of the battery.
In view of the above, it is important to develop a welding apparatus and a battery production line capable of solving the above technical problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide welding equipment and a battery production line, which have the characteristics of good welding effect and stable welding.
The utility model provides a technical scheme that:
in a first aspect, an embodiment of the present invention provides a welding apparatus, which includes a preheating mechanism and a welding mechanism;
preheating mechanism is close to welding mechanism sets up, preheating mechanism is used for preheating laminate polymer battery's utmost point ear, welding mechanism is used for the welding utmost point ear.
With the combination of the first aspect, in a first implementation manner of the first aspect, the welding equipment further includes a bearing mechanism, the bearing mechanism includes a bearing platform and a first movable driving member which are connected to each other, the bearing platform is used for bearing the soft-package battery, and the first movable driving member is used for preheating the mechanism for heating the tab and then driving the bearing platform to move, so that the tab of the soft-package battery moves to the position where the welding mechanism is located.
With reference to the first aspect and the foregoing implementation manner, in a second implementation manner of the first aspect, at least two sections of clamping sections are disposed on the bearing platform, and the clamping sections are disposed on the bearing platform and used for clamping the pouch battery on the bearing platform together.
With reference to the first aspect and the foregoing implementation manner, in a third implementation manner of the first aspect, any one or more segments of the clamping segment are disposed near the preheating mechanism to shield an end portion of the soft package battery where the tab is located.
With reference to the first aspect and the foregoing implementation manner, in a fourth implementation manner of the first aspect, the carrying mechanism further includes a cold pressing plate disposed on top of the carrying platform, so as to jointly enclose the pouch battery with the carrying platform.
With reference to the first aspect and the foregoing implementation manner, in a fifth implementation manner of the first aspect, a shielding section is disposed at the bottom of the cold pressing plate, and the shielding section is disposed near the preheating mechanism and is used for shielding an end portion of the soft package battery where the tab is located.
With reference to the first aspect and the foregoing implementation manner, in a sixth implementation manner of the first aspect, the preheating mechanism includes a first preheating part and a second preheating part, and the first preheating part and the second preheating part are disposed opposite to each other and are respectively used for preheating two sides of the tab.
With reference to the first aspect and the foregoing implementation manner, in a seventh implementation manner of the first aspect, the first preheating part includes a first heating sheet and a first heating seat, and the first heating sheet is laid on the first heating seat and can generate heat.
With reference to the first aspect and the foregoing implementation manner, in an eighth implementation manner of the first aspect, the preheating mechanism further includes a second movable driving element, and the second movable driving element is respectively connected to the first preheating element and the second preheating element and can drive the first preheating element and the second preheating element to approach or separate from each other, so as to heat the tab or make the first preheating element and the second preheating element to separate from the tab.
In a second aspect, the embodiment of the utility model also provides a battery production line, which comprises the welding equipment. The welding equipment comprises a preheating mechanism and a welding mechanism; preheating mechanism is close to welding mechanism sets up, preheating mechanism is used for preheating laminate polymer battery's utmost point ear, welding mechanism is used for the welding utmost point ear.
Compared with the prior art, the welding equipment provided by the embodiment of the utility model has the beneficial effects that compared with the prior art, the welding equipment provided by the embodiment of the utility model comprises the following components:
welding equipment is including preheating mechanism and welding mechanism, preheats the mechanism and is close to the welding mechanism setting, preheats the mechanism and is used for preheating laminate polymer battery's utmost point ear, and welding mechanism is used for welding utmost point ear. Therefore, when welding laminate polymer battery's utmost point ear, the accessible preheats the mechanism and preheats utmost point ear, and rethread welding mechanism welds, improves welded effect, and preheats the degree of stability that can improve the utmost point ear after the welding, reduces bad phenomena such as rosin joint, overwelding, welding and wears the probability that appears.
The beneficial effects of the battery production line provided by the embodiment of the utility model relative to the prior art are the same as the beneficial effects of the welding equipment relative to the prior art, and are not described again.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments will be briefly described below. It is appreciated that the following drawings depict only certain embodiments of the utility model and are therefore not to be considered limiting of its scope. For a person skilled in the art, it is possible to derive other relevant figures from these figures without inventive effort.
Fig. 1 is a schematic structural diagram of a welding apparatus according to an embodiment of the present invention.
Icon: 10-a welding device; 11-a preheating mechanism; 111-a first pre-heat; 1111-a first heating plate; 1112-a first heating seat; 112-a second pre-heat; 1121-second heating plate; 1122-a second heating seat; 12-a welding mechanism; 13-a carrying mechanism; 131-a load-bearing platform; 132-a clamping section; 133-cold-pressed plate; 1331-occlusion segments; 900-pouch battery; 910-tab.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. The terms "upper", "lower", "inner", "outer", "left", "right", and the like, refer to an orientation or positional relationship as shown in the drawings, or as would be conventionally found in use of the products of the present invention, or as would be conventionally understood by one of ordinary skill in the art, and are used merely to facilitate the description and simplify the description, but do not indicate or imply that the referenced devices or elements must have a particular orientation, configuration, and operation in a particular orientation, and therefore should not be construed as limiting the present invention. The terms "first," "second," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. The terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
It is also to be understood that, unless expressly stated or limited otherwise, the terms "disposed," "connected," and the like are intended to be open-ended, and mean "connected," i.e., fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the connection may be direct or indirect via an intermediate medium, and may be a communication between the two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The following detailed description of embodiments of the utility model refers to the accompanying drawings.
Example (b):
referring to fig. 1, fig. 1 is a schematic structural diagram of a welding apparatus 10 according to an embodiment of the present invention.
The embodiment of the utility model provides a welding device 10, and the welding device 10 is used for welding a tab 910 of a soft package battery 900 and has the characteristics of good welding effect and stable welding. The welding apparatus 10 can be applied to a battery production line or the like, and further, the welding apparatus 10 can be used independently. When the welding apparatus 10 is applied to a battery production line, the welding apparatus 10 may be connected to a pouch battery 900 conveyor line of the battery production line so that the welding apparatus 10 can receive the pouch battery 900 and perform a welding operation on the pouch battery 900. Because the battery production line adopts the welding equipment 10 provided by the embodiment of the utility model, the battery production line also has the characteristics of good welding effect and stable welding.
The structural composition, the operation principle and the advantageous effects of the welding apparatus 10 according to the embodiment of the present invention will be described in detail below.
With reference to fig. 1, the welding apparatus 10 includes a preheating mechanism 11 and a welding mechanism 12, wherein the preheating mechanism 11 is disposed near the welding mechanism 12, the preheating mechanism 11 is configured to preheat the tab 910 of the pouch battery 900, and the welding mechanism 12 is configured to weld the tab 910. Thus, when welding laminate polymer battery 900's utmost point ear 910, the accessible preheats mechanism 11 and preheats utmost point ear 910, welds through welding mechanism 12 again, improves welded effect, and preheats the degree of stability that can improve utmost point ear 910 after the welding, reduces probability that bad phenomena such as rosin joint, overwelding, welding wear appear.
In the present embodiment, the welding mechanism 12 is an ultrasonic welding device, and the welding method is incremental ultrasonic welding. In other embodiments, the welding mechanism 12 may also be a laser welding device or the like.
Further, the preheating mechanism 11 includes a first preheating part 111 and a second preheating part 112, wherein the first preheating part 111 and the second preheating part 112 are oppositely disposed, so that both sides of the tab 910 are preheated by the first preheating part 111 and the second preheating part 112 respectively, and uniformity of temperatures at different positions on the preheated tab 910 is improved.
In the present embodiment, the preheating mode is a heating plate heating mode, wherein the first preheating part 111 includes a first heating plate 1111 and a first heating seat 1112, the first heating plate 1111 is laid on the first heating seat 1112, and the first heating plate 1111 can generate heat to heat one side surface of the tab 910. Similarly, the second preheating part 112 is also in a sheet heating manner, and includes a second heating sheet 1121 and a second heating seat 1122, the second heating sheet 1121 is laid on the second heating seat 1122, and the second heating sheet 1121 can generate heat so as to heat the other side surface of the tab 910 through the second heating sheet 1121, so as to heat the side surface of the tab 910 through the heating sheet, thereby further improving the temperature uniformity at different positions on the tab 910 after preheating.
In addition, in the present embodiment, the first heating sheet 1111 and the second heating sheet 1121 are both nichrome heating sheets, which can generate heat through a short circuit, thereby preheating the tab 910. In other embodiments, the first preheating part 111 and the second preheating part 112 can also adopt other heating modes.
Further, the preheating mechanism 11 may further include a second movable driving element (not shown), the second movable driving element is respectively connected to the first preheating part 111 and the second preheating part 112, that is, the second movable driving element is respectively connected to the first heating base 1112 and the second heating base 1122, and the second movable driving element is further capable of driving the first preheating part 111 and the second preheating part 112 to approach each other, so as to preheat the tab 910 jointly by the first preheating part 111 and the second preheating part 112, and the second movable driving element is further capable of driving the first preheating part 111 and the second preheating part 112 to move away from each other, so that the first preheating part 111 and the second preheating part 112 move away from the tab 910, so as to stop the preheating operation, thereby increasing the automation level of the preheating mechanism.
With continued reference to fig. 1, the welding apparatus 10 may further include a carrying mechanism 13, where the carrying mechanism 13 includes a carrying platform 131 and a first movable driving member (not shown), which are connected to each other, where the carrying platform 131 is used for carrying the pouch battery 900, and the first movable driving member is used for driving the carrying platform 131 to move after the tab 910 is heated by the preheating mechanism 11, so as to move the tab 910 of the pouch battery 900 to the position of the welding mechanism 12. In other words, after the tab 910 is preheated by the preheating mechanism, the first movable driving member can also drive the pouch battery 900 to move so as to move the tab 910 to the welding mechanism 12, so that the welding mechanism 12 can perform welding work on the tab 910, thereby improving the automation level of the welding device 10 through the bearing mechanism 13.
Further, still can be equipped with two sections clamping sections 132 on the load-bearing platform 131, both ends clamping section 132 all sets up on load-bearing platform 131, and is used for supporting the both ends of holding laminate polymer battery 900 respectively to laminate polymer battery 900 in load-bearing platform 131 is held jointly, restriction laminate polymer battery 900 removes, prevents that laminate polymer battery 900 from appearing the circumstances such as skew dislocation in welding process, improves the precision of preheating utmost point ear 910 and welding utmost point ear 910.
It should be noted that, in other embodiments, the number of the clamping sections 132 may also be other numbers, and the multiple clamping sections 132 surround the periphery of the pouch battery 900, so that the pouch battery 900 is clamped on the bearing platform 131 by the multiple clamping sections 132, thereby achieving the purpose of limiting the movement of the pouch battery 900 relative to the bearing platform 131.
Furthermore, in this embodiment, one section grip segment 132 is close to and preheats mechanism 11 and sets up, so, when this section grip segment 132 centre gripping laminate polymer battery 900, this section grip segment 132 corresponds with the partial tip of the one end at utmost point ear 910 place on laminate polymer battery 900 to shelter from the one end tip at utmost point ear 910 place on laminate polymer battery 900 through this grip segment 132, prevent in dust etc. gets into laminate polymer battery 900, and reduce and preheat and weld the thermal influence or the heat radiation to laminate polymer battery 900 main part. In other embodiments, the multi-segment clamping segment 132 may be disposed close to the preheating mechanism 11, so as to shield the end portion of the pouch battery 900 where the tab 910 is located by the multi-segment clamping segment 132.
Further, the carrying mechanism 13 may further include a cold pressing plate 133, where the cold pressing plate 133 is disposed on the top of the carrying platform 131, so as to surround the pouch battery 900 together with the carrying platform 131, and thus, the soft pouch battery 900 main body is surrounded together by the cold pressing plate 133 and the carrying platform 131, so as to further fix the battery, and reduce the thermal influence or thermal radiation of preheating and welding on the soft pouch battery 900 main body.
It should be noted that the bottom of the cold-pressed plate 133 may be provided with a shielding section 1331, the shielding section 1331 is disposed near the preheating mechanism 11, and the shielding section 1331 is used for shielding an end of the pouch battery 900 where the tab 910 is located. When cold pressing board 133 and load-bearing platform 131 wrapped laminate polymer battery 900 jointly, should shelter from the section 1331 and laminate polymer battery 900 and go up the partial tip of the one end at utmost point ear 910 place and correspond to shelter from the one end tip at utmost point ear 910 place on laminate polymer battery 900 through this section 1331 that shelters from, further prevent that dust etc. from getting into laminate polymer battery 900 in, and further reduce preheat and weld the thermal influence or the heat radiation to laminate polymer battery 900 main part.
The working principle of the welding device 10 provided by the embodiment of the utility model is as follows:
the welding equipment 10 comprises a preheating mechanism 11 and a welding mechanism 12, wherein the preheating mechanism 11 is arranged close to the welding mechanism 12, the preheating mechanism 11 is used for preheating the tab 910 of the soft package battery 900, and the welding mechanism 12 is used for welding the tab 910. Thus, when welding laminate polymer battery 900's utmost point ear 910, the accessible preheats mechanism 11 and preheats utmost point ear 910, welds through welding mechanism 12 again, improves welded effect, and preheats the degree of stability that can improve utmost point ear 910 after the welding, reduces probability that bad phenomena such as rosin joint, overwelding, welding wear appear.
In summary, the following steps:
the embodiment of the utility model provides a welding device 10 which has the characteristics of good welding effect and stable welding.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and it is obvious to those skilled in the art that the features in the above embodiments may be combined with each other and the present invention may be variously modified and changed without conflict. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention. The present embodiments are to be considered as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (9)
1. A welding apparatus, characterized by comprising a preheating mechanism (11) and a welding mechanism (12);
the preheating mechanism (11) is arranged close to the welding mechanism (12), the preheating mechanism (11) is used for preheating a pole lug (910) of the soft package battery (900), and the welding mechanism (12) is used for welding the pole lug (910);
welding equipment (10) still includes bearing mechanism (13), bearing mechanism (13) are including interconnect's load-bearing platform (131) and first removal driving piece, load-bearing platform (131) are used for bearing laminate polymer battery (900), first removal driving piece is used for preheating mechanism (11) heating behind utmost point ear (910), drive load-bearing platform (131) remove, so that laminate polymer battery (900) utmost point ear (910) remove extremely the position at welding mechanism (12) place.
2. The welding equipment according to claim 1, wherein at least two sections of clamping sections (132) are arranged on the carrying platform (131), and a plurality of clamping sections (132) are arranged on the carrying platform (131) and are used for clamping the pouch battery (900) on the carrying platform (131) together.
3. The welding apparatus according to claim 2, wherein any one or more of the clamping sections (132) are disposed near the preheating mechanism (11) for shielding an end of the pouch battery (900) where the tab (910) is located.
4. The welding apparatus according to claim 1, characterized in that said carrying mechanism (13) further comprises a cold pressure plate (133), said cold pressure plate (133) being arranged on top of said carrying platform (131) for enclosing said pouch cell (900) together with said carrying platform (131).
5. The welding apparatus according to claim 4, characterized in that the bottom of the cold plate (133) is provided with a shielding section (1331), the shielding section (1331) is arranged close to the preheating mechanism (11) and is used for shielding one end of the soft package battery (900) where the tab (910) is located.
6. The welding apparatus according to any one of claims 1 to 5, characterized in that the preheating mechanism (11) comprises a first preheating part (111) and a second preheating part (112), the first preheating part (111) and the second preheating part (112) being disposed opposite to each other and being respectively used for preheating both sides of the tab (910).
7. Welding apparatus according to claim 6, characterized in that the first pre-heat piece (111) comprises a first heating blade (1111) and a first heating seat (1112), the first heating blade (1111) being laid on the first heating seat (1112) and being able to generate heat.
8. The welding apparatus according to claim 7, characterized in that the preheating mechanism (11) further comprises a second mobile drive, which is connected to the first preheating part (111) and the second preheating part (112), respectively, and is capable of bringing the first preheating part (111) and the second preheating part (112) closer to each other or away from each other, so as to heat the tab (910) or to move the first preheating part (111) and the second preheating part (112) away from the tab (910).
9. A battery production line, characterized by comprising a welding device according to any one of claims 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120638408.7U CN215698828U (en) | 2021-03-29 | 2021-03-29 | Welding equipment and battery production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120638408.7U CN215698828U (en) | 2021-03-29 | 2021-03-29 | Welding equipment and battery production line |
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| Publication Number | Publication Date |
|---|---|
| CN215698828U true CN215698828U (en) | 2022-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120638408.7U Active CN215698828U (en) | 2021-03-29 | 2021-03-29 | Welding equipment and battery production line |
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| CN (1) | CN215698828U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114932313A (en) * | 2022-05-13 | 2022-08-23 | 广东利元亨技术有限公司 | Tab welding device and method |
-
2021
- 2021-03-29 CN CN202120638408.7U patent/CN215698828U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114932313A (en) * | 2022-05-13 | 2022-08-23 | 广东利元亨技术有限公司 | Tab welding device and method |
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