CN220679663U - Welding device for battery cell tab and switching piece - Google Patents
Welding device for battery cell tab and switching piece Download PDFInfo
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- CN220679663U CN220679663U CN202322360781.2U CN202322360781U CN220679663U CN 220679663 U CN220679663 U CN 220679663U CN 202322360781 U CN202322360781 U CN 202322360781U CN 220679663 U CN220679663 U CN 220679663U
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- 238000003466 welding Methods 0.000 title claims abstract description 110
- 230000007246 mechanism Effects 0.000 claims abstract description 84
- 230000008859 change Effects 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
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Abstract
The utility model provides a welding device for battery cell tabs and switching pieces, which comprises two groups of ultrasonic welding mechanisms which are oppositely arranged, wherein a sliding mechanism is correspondingly arranged below the ultrasonic welding mechanisms, the two groups of ultrasonic welding mechanisms slide oppositely through the sliding mechanism, clamping and fixing mechanisms are arranged between the two groups of ultrasonic welding mechanisms, the two groups of battery cells and the corresponding switching pieces are oppositely arranged on the clamping and fixing mechanisms side by side, positive electrode tabs and negative electrode tabs of the two groups of battery cells face to one group of ultrasonic welding mechanisms respectively, the positive electrode tabs and the negative electrode tabs of the two groups of battery cells are welded and connected through the switching pieces matched with the ultrasonic welding mechanisms on the corresponding sides, and the width of welding ends of the ultrasonic welding mechanisms is larger than the relative distance between the positive electrode tabs and the relative distance between the negative electrode tabs. The two groups of ultrasonic welding mechanisms can finish high-quality and high-efficiency welding of the positive electrode and the negative electrode tab of the two groups of battery cells by one-time welding.
Description
Technical Field
The utility model relates to the technical field of battery welding, in particular to a welding device for a battery cell tab and a switching sheet.
Background
The traditional single-cell battery can not meet the requirements of the existing electric equipment, and the double-cell battery with larger capacitance is generated. The double-cell battery is characterized in that two cells are welded together in parallel, so that the capacitance of the battery is enlarged, and the cruising ability of the battery is improved.
When the conventional battery cell welding equipment is used for welding, the battery cells and the adapter plates are required to be fixed in the fixture tool, the positive electrode lugs of the two battery cells are welded on the two sides of the same surface of the positive electrode adapter plate respectively, the two positive electrode lugs are spaced by a certain distance, two welding operations are required, after the positive electrode lugs are welded, the fixture tool is moved to the other side through the sliding rail, and the same welding operation is performed on the negative electrode lugs, so that four ultrasonic welding operations are required. The welding times and the long-distance sliding of the fixture tool are more, so that the production efficiency is lower, and the positioning error and the welding quality risk caused by the welding error are increased; therefore, there is a need for optimizing and improving the cell soldering apparatus.
Disclosure of Invention
In order to solve the problems, the utility model aims to provide a welding device for battery cell lugs and switching pieces, two groups of opposite ultrasonic welding mechanisms are arranged, two groups of battery cells are arranged at the middle positions of the two groups of ultrasonic welding mechanisms in a limiting manner through clamping and fixing mechanisms, the two groups of ultrasonic welding mechanisms move to the upper parts of positive electrode lugs and negative electrode lugs of the two groups of battery cells through sliding mechanisms and can be welded through matching with the corresponding switching pieces, and the width of welding ends of the ultrasonic welding mechanisms is larger than the relative distance between the positive electrode lugs and the relative distance between the negative electrode lugs, so that the two groups of ultrasonic welding mechanisms can weld the positive electrode lugs and the negative electrode lugs of the two groups of battery cells at one time, and high-quality and high-efficiency welding of the positive electrode lugs and the negative electrode lugs of the two groups of battery cells can be completed.
In order to achieve the above purpose, the technical scheme of the utility model is realized as follows:
the utility model provides a welding set of electric core utmost point ear and adapter, includes the ultrasonic welding mechanism that two sets of opposition set up, ultrasonic welding mechanism's below corresponds and is provided with slide mechanism, and two sets of ultrasonic welding mechanism pass through slide mechanism and slide in opposite directions, are provided with clamping fixture between the two sets of ultrasonic welding mechanism, clamping fixture is last to be provided with two sets of electric cores and the adapter that corresponds in opposite directions side by side, and anodal utmost point ear and the negative pole utmost point ear of two sets of electric cores are towards a set of ultrasonic welding mechanism respectively, all carry out welded connection through the ultrasonic welding mechanism that the adapter cooperation corresponds one side between the anodal utmost point ear of two sets of electric cores and between the negative pole utmost point ear, ultrasonic welding mechanism's welding end width is greater than relative distance between anodal utmost point ear and the relative distance between the negative pole ear.
Further, ultrasonic welding mechanism includes first bottom plate, and one side top fixedly connected with casing of first bottom plate, the top fixedly connected with cylinder of casing, sliding connection has the ultrasonic gun body about the inside of casing, and the flexible end and the ultrasonic gun body top fixedly connected with of cylinder, the output of the ultrasonic gun body run through the casing and fixedly connected with tool bit, the opposite side top fixedly connected with blade holder of first bottom plate, blade holder top center fixed mounting have with last tool bit matched with lower tool bit.
Further, the positive electrode tab and the negative electrode tab of the two battery cells are respectively positioned between the upper cutter head and the lower cutter head of the ultrasonic welding mechanism at the corresponding side, the width of the upper cutter head is not less than the sum of the widths and the distances of the same electrode tabs of the two battery cells, the middle part of the lower cutter head is provided with a groove, and the width of the groove is the same as the distance of the same electrode tabs.
Further, the sliding mechanism comprises a base, two parallel sliding rails are fixedly connected to the upper surface of the base, and the first bottom plate is in sliding connection with the sliding rails.
Further, the clamping and fixing mechanism comprises a second bottom plate, four guide rods are vertically fixed on the second bottom plate, a fixture tool is arranged above the second bottom plate, the guide rods penetrate through the fixture tool and are in sliding connection with the fixture tool, an electric pushing cylinder is arranged at the center of the bottom end of the fixture tool, the electric pushing cylinder is fixedly connected with the upper surface of the second bottom plate, and the telescopic end of the electric pushing cylinder is fixedly connected with the fixture tool; the two battery cells and the switching piece are oppositely fixed in the fixture tool.
The beneficial effects are that: according to the utility model, two groups of opposite ultrasonic welding mechanisms are arranged, the two groups of electric cores are arranged at the middle positions of the two groups of ultrasonic welding mechanisms in a limiting manner through the clamping and fixing mechanisms, the two groups of ultrasonic welding mechanisms move to the upper parts of the positive electrode lugs and the negative electrode lugs of the two groups of electric cores through the sliding mechanisms and can be welded through matching with corresponding adapter plates, and the width of the welding ends of the ultrasonic welding mechanisms is larger than the relative distance between the positive electrode lugs and the relative distance between the negative electrode lugs, so that the two groups of ultrasonic welding mechanisms can weld the positive electrode lugs and the negative electrode lugs of the two groups of electric cores at one time, and the high-quality and high-efficiency welding of the positive electrode lugs and the negative electrode lugs of the two groups of electric cores can be completed.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:
fig. 1 is a schematic perspective view of a welding device for a battery lug and a switching piece according to an embodiment of the present utility model;
fig. 2 is a top view of a welding device for a battery tab and a switching piece according to an embodiment of the present utility model;
fig. 3 is a schematic structural view of an ultrasonic welding mechanism and a sliding mechanism of a welding device for a battery cell tab and a switching piece according to an embodiment of the present utility model;
fig. 4 is a schematic structural diagram of the upper cutter head and the lower cutter head of the welding device for the battery cell tab and the switching piece according to the embodiment of the utility model;
fig. 5 is a schematic structural diagram of a clamping and fixing mechanism of a welding device for a battery cell tab and a switching piece according to an embodiment of the present utility model.
Detailed Description
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.
The utility model will be described in detail below with reference to the drawings in connection with embodiments.
Example 1
See fig. 1-5: the utility model provides a welding set of electric core utmost point ear and change-over piece, includes the ultrasonic welding mechanism 1 that two sets of opposition set up, the below of ultrasonic welding mechanism 1 corresponds and is provided with slide mechanism 2, and two sets of ultrasonic welding mechanism 1 slide in opposite directions through slide mechanism 2, is provided with centre gripping fixed establishment 3 between two sets of ultrasonic welding mechanism 1, centre gripping fixed establishment 3 is last to be provided with two sets of electric core 4 and the change-over piece that corresponds in opposition side by side, and anodal utmost point ear and the negative pole utmost point ear of two sets of electric core 4 are respectively towards a set of ultrasonic welding mechanism 1, all carry out welded connection through the ultrasonic welding mechanism 1 that the change-over piece cooperation corresponds one side between the anodal utmost point ear and between the negative pole utmost point ear, the welding end width of ultrasonic welding mechanism 1 is greater than relative distance between anodal utmost point ear and the relative distance between the negative pole ear.
It should be noted that, this embodiment sets up the ultrasonic welding mechanism that two sets of opposition set up, two sets of electric core is spacing to be installed in the intermediate position of two sets of ultrasonic welding mechanism through the centre gripping fixed establishment, two sets of ultrasonic welding mechanism move the anodal utmost point ear of two sets of electric cores and the top of negative pole utmost point ear through slide mechanism and can weld through the switching piece that the cooperation corresponds, because ultrasonic welding mechanism's welding end width is greater than relative distance between anodal utmost point ear and relative distance between the negative pole utmost point ear, consequently, the high-quality, the high-efficient welding of the anodal of two sets of electric cores and negative pole utmost point ear can be accomplished to two sets of ultrasonic welding mechanism once welding.
Compared with the prior art, the ultrasonic welding mechanism of the embodiment only needs to transversely move along the sliding mechanism, one-time welding forming is performed, and the welding direction does not need to be moved and adjusted again, so that the positioning accuracy of the tab and the rotating sheet is improved; in addition, the welding device of this embodiment carries out ultrasonic welding through setting up two sets of ultrasonic welding mechanism to the anodal utmost point ear and the negative pole utmost point ear of electric core simultaneously, originally needs four times welded production processes, and this device only needs once to weld can accomplish, very big improvement welding efficiency.
In a specific example, the ultrasonic welding mechanism 1 includes a first bottom plate 102, a housing 101 is fixedly connected above one side of the first bottom plate 102, a cylinder 103 is fixedly connected to the top end of the housing 101, an ultrasonic gun body 104 is slidingly connected to the inside of the housing 101 up and down, a telescopic end of the cylinder 103 is fixedly connected to the top end of the ultrasonic gun body 104, an output end of the ultrasonic gun body 104 penetrates through the housing 101 and is fixedly connected with an upper cutter head 105, a cutter seat 107 is fixedly connected above the other side of the first bottom plate 102, and a lower cutter head 106 matched with the upper cutter head 105 is fixedly installed at the center of the top end of the cutter seat 107.
When the ultrasonic welding mechanism of the embodiment slides to the upper part of the positive electrode lug or the negative electrode lug, the telescopic end of the air cylinder is controlled to extend, the ultrasonic gun body and the upper cutter head are driven to move downwards, until the lug of the battery cell is fixed with the switching piece through ultrasonic welding, the telescopic end of the air cylinder can be controlled to shrink, the ultrasonic gun body and the upper cutter head are driven to move upwards, and ultrasonic welding of the battery cell lug and the switching piece is completed.
In a specific example, the positive electrode tab and the negative electrode tab of the two electric cores 4 are respectively located between the upper cutter head 105 and the lower cutter head 106 of the ultrasonic welding mechanism 1 on the corresponding sides, the width of the upper cutter head 105 is not smaller than the sum of the widths and the distances between the same electrode tabs of the two electric cores 4, a groove 1061 is formed in the middle of the lower cutter head 106, and the width of the groove 1061 is the same as the distance between the same electrode tabs.
According to the embodiment, the upper cutter head with the wider width and the lower cutter head with the grooves are arranged, homopolar lugs of two battery cores can be welded at the same time, so that the welding efficiency is improved, and the welding quality is also improved; the two groups of ultrasonic welding mechanisms act simultaneously, the number of times of the action is less compared with the prior art, and the production efficiency is improved.
In a specific example, the sliding mechanism 2 includes a base 201, two parallel sliding rails 202 are fixedly connected to an upper surface of the base 201, and the first base plate 102 is slidably connected to the sliding rails 202.
It should be noted that, two groups of ultrasonic welding mechanisms realize opposite linear sliding through corresponding sliding rails of the sliding mechanism and move to the upper part of the battery cell electrode lug to be welded.
In a specific example, the clamping and fixing mechanism 3 includes a second bottom plate 302, four guide rods 303 are vertically fixed on the second bottom plate 302, a fixture 301 is disposed above the second bottom plate 302, the guide rods 303 penetrate through the fixture 301 and are slidably connected with the fixture 301, an electric push cylinder 304 is disposed at the center of the bottom end of the fixture 301, the electric push cylinder 304 is fixedly connected with the upper surface of the second bottom plate 302, and the telescopic end of the electric push cylinder 304 is fixedly connected with the fixture 301; the two battery cells 4 and the switching piece are oppositely fixed in the fixture tool 301.
The welding set of this embodiment installs fixture tool between two sets of ultrasonic welding mechanism, through setting up two sets of ultrasonic welding mechanism and slide in opposite directions, only need make fixture tool make the short distance reciprocate through the electricity push away the jar, and the action is stable rapid and do not influence fixture tool to the fixed of electric core, has improved the location accuracy of utmost point ear and change piece, avoids the location deviation that long distance removal brought.
Working principle:
when the welding device works, two electric cores 4 are oppositely installed and fixed inside the fixture tool 301, then two groups of ultrasonic welding mechanisms 1 are slid and mutually close to each other, so that positive pole lugs and negative pole lugs of the two electric cores 4 are respectively positioned between the two groups of upper tool bits 105 and the lower tool bits 106, then the output ends of the control electric pushing cylinders 304 are started to shrink to drive the fixture tool 301 to move downwards until the transfer sheets below the lugs of the electric cores 4 are contacted with the top ends of the lower tool bits 106 to stop, then the output ends of the control air cylinders 103 are started to stretch to drive the ultrasonic gun bodies 104 and the upper tool bits 105 to move downwards until the lugs of the electric cores 4 are welded and fixed together by ultrasonic waves of the transfer sheets, the output ends of the control air cylinders 103 shrink to drive the ultrasonic gun bodies 104 and the upper tool bits 105 to move upwards, and then the output ends of the control electric pushing cylinders 304 are controlled to stretch to drive the fixture tool 301 to move upwards to finish welding and fixing the lugs of the electric cores 4 and the transfer sheets.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (5)
1. The utility model provides a welding set of electric core utmost point ear and change piece, its characterized in that, including two sets of ultrasonic welding mechanism (1) that set up in opposition, the below of ultrasonic welding mechanism (1) corresponds and is provided with slide mechanism (2), and two sets of ultrasonic welding mechanism (1) slide in opposite directions through slide mechanism (2), are provided with centre gripping fixed establishment (3) between two sets of ultrasonic welding mechanism (1), centre gripping fixed establishment (3) are last to be provided with two sets of electric core (4) and the change piece that corresponds in opposition side by side, and the anodal utmost point ear and the negative pole utmost point ear of two sets of electric core (4) are respectively towards a set of ultrasonic welding mechanism (1), all carry out welded connection through change piece cooperation between the anodal utmost point ear of two sets of electric core (4) and the negative pole utmost point ear and correspond ultrasonic welding mechanism (1) of one side, the welding end width of ultrasonic welding mechanism (1) is greater than relative distance between anodal utmost point ear and the negative pole utmost point ear.
2. The welding device for the battery cell tab and the switching piece according to claim 1, wherein the ultrasonic welding mechanism (1) comprises a first bottom plate (102), a shell (101) is fixedly connected to one side upper portion of the first bottom plate (102), an air cylinder (103) is fixedly connected to the top end of the shell (101), an ultrasonic gun body (104) is fixedly connected to the inner portion of the shell (101) in a sliding mode up and down, the telescopic end of the air cylinder (103) is fixedly connected to the top end of the ultrasonic gun body (104), the output end of the ultrasonic gun body (104) penetrates through the shell (101) and is fixedly connected with an upper cutter head (105), a cutter holder (107) is fixedly connected to the other side upper portion of the first bottom plate (102), and a lower cutter head (106) matched with the upper cutter head (105) is fixedly arranged at the center of the top end of the cutter holder (107).
3. The welding device for the battery cell tab and the switching piece according to claim 2, wherein the positive electrode tab and the negative electrode tab of the two battery cells (4) are respectively positioned between an upper cutter head (105) and a lower cutter head (106) of the ultrasonic welding mechanism (1) at the corresponding side, the width of the upper cutter head (105) is not smaller than the sum of the widths and the distances between the same electrode tabs of the two battery cells (4), a groove (1061) is formed in the middle of the lower cutter head (106), and the width of the groove (1061) is the same as the distance between the same electrode tabs.
4. The welding device for the battery cell tab and the switching sheet according to claim 2, wherein the sliding mechanism (2) comprises a base (201), two parallel sliding rails (202) are fixedly connected to the upper surface of the base (201), and the first bottom plate (102) is in sliding connection with the sliding rails (202).
5. The welding device for the battery cell tab and the switching piece according to claim 1, wherein the clamping and fixing mechanism (3) comprises a second bottom plate (302), four guide rods (303) are vertically fixed on the second bottom plate (302), a fixture tool (301) is arranged above the second bottom plate (302), the guide rods (303) penetrate through the fixture tool (301) and are in sliding connection with the fixture tool (301), an electric pushing cylinder (304) is arranged in the center of the bottom end of the fixture tool (301), the electric pushing cylinder (304) is fixedly connected with the upper surface of the second bottom plate (302), and the telescopic end of the electric pushing cylinder (304) is fixedly connected with the fixture tool (301); the two battery cells (4) and the switching piece are oppositely fixed in the fixture tool (301).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322360781.2U CN220679663U (en) | 2023-08-30 | 2023-08-30 | Welding device for battery cell tab and switching piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322360781.2U CN220679663U (en) | 2023-08-30 | 2023-08-30 | Welding device for battery cell tab and switching piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220679663U true CN220679663U (en) | 2024-03-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322360781.2U Active CN220679663U (en) | 2023-08-30 | 2023-08-30 | Welding device for battery cell tab and switching piece |
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| Country | Link |
|---|---|
| CN (1) | CN220679663U (en) |
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2023
- 2023-08-30 CN CN202322360781.2U patent/CN220679663U/en active Active
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