CN217702101U - Jig for positioning welding of lithium ion battery - Google Patents
Jig for positioning welding of lithium ion battery Download PDFInfo
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- CN217702101U CN217702101U CN202221779493.XU CN202221779493U CN217702101U CN 217702101 U CN217702101 U CN 217702101U CN 202221779493 U CN202221779493 U CN 202221779493U CN 217702101 U CN217702101 U CN 217702101U
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- positioning
- welding
- lithium ion
- jig
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model relates to a lithium ion battery makes the field, discloses a tool for lithium ion battery fixed-position welding. The top surface of the jig frame is provided with a welding positioning groove, positioning holes and a circuit board positioning table, the positioning holes are arranged on one side of the welding positioning groove in rows, each positioning hole is provided with a first notch, and the circuit board positioning table is positioned on the other side of the welding positioning groove; the welding positioning structure is characterized by further comprising independent positioning blocks, concave positions are arranged at the tops of the positioning blocks, second notches are formed in the concave positions, welding filler strips are further arranged, the welding filler strips are embedded in the welding positioning grooves, when welding is conducted, the lithium ion batteries are limited in the concave positions of the positioning blocks respectively, the positioning blocks are limited in the positioning holes respectively, the second notches are right opposite to the first notches, two electrodes of each lithium ion battery extend out of the first notches and the second notches respectively, and the two electrodes of a circuit board on the circuit board positioning table are stacked on the top surface of the welding filler strips oppositely, so that the lithium ion batteries are connected with the circuit board in a welding mode.
Description
Technical Field
The utility model relates to a lithium ion battery makes the field, especially relates to a be used for lithium ion battery fixed-position welding's tool.
Background
Along with the expansion of new energy market, intelligence is dressed, the application of digital product is also more and more extensive, and is more and more wide to lithium ion battery demand, and to battery size and tolerance requirement stricter gradually simultaneously, lithium cell PACK production cost of labor increases gradually.
Disclosure of Invention
An object of the embodiment of the utility model is to provide a tool for lithium ion battery fixed-position welding uses this technical scheme to be favorable to the fixed-position welding to lithium ion battery.
The embodiment of the utility model provides a pair of be used for lithium ion battery fixed-position welding's tool, include:
the jig frame is provided with a welding positioning groove, a positioning hole and a circuit board positioning table on the top surface, the welding positioning groove is a strip-shaped groove,
the positioning holes are arranged on one side of the welding positioning groove in rows, a first notch communicated with the welding positioning groove is formed in the side, facing the long-strip groove, of each positioning hole, and the circuit board positioning table is located on the other side of the welding positioning groove;
a plurality of independent positioning blocks are also arranged, a concave position is arranged at the top of each positioning block, a second notch is arranged on the concave position,
the welding positioning groove is internally provided with a welding positioning groove, the welding positioning groove is internally embedded with the welding positioning groove, when welding is carried out, the lithium ion batteries are respectively limited in the concave positions of the positioning blocks, the positioning blocks are respectively limited in the positioning holes, the second gaps are opposite to the first gaps, two electrodes of each lithium ion battery respectively extend out of the first gaps and the second gaps and are oppositely stacked on the top surface of the welding positioning groove with the two electrodes of the circuit board on the circuit board positioning table, and therefore welding connection between the lithium ion batteries and the circuit board is achieved on the welding positioning groove.
Optionally, a projection is further provided on the top of each welding backing strip,
when welding, the bulges are respectively spaced between the two tabs of the lithium ion batteries.
Optionally, the height of each protrusion exceeds the height of the circuit board positioning table, and when soldering is performed, the circuit board is limited outside the protrusion and is prohibited from moving towards the lithium ion battery.
Optionally, the method further comprises: a bottom support is arranged on the bottom support,
the bottom of each positioning block is provided with a horizontal bulge which horizontally protrudes outwards, when each positioning block is limited in each positioning hole, the horizontal bulge of each positioning block is positioned outside the positioning hole and attached to the bottom surface of the jig frame,
the bottom support is fastened on the bottom surface of the jig frame, and the horizontal protrusions of the positioning blocks are fastened between the bottom surface of the jig frame and the bottom support.
Optionally, the jig frame is provided with two opposite ends respectively with a handheld portion.
Optionally, two opposite edges of the jig frame are respectively provided with a jig positioning portion.
Optionally, the positions of the jig positioning portions on the two opposite edges of the jig frame are staggered.
Optionally, each of the jig positioning portions is a concave portion that is concave inward or a convex portion that is convex outward.
Optionally, a through hole penetrating up and down is further provided in the concave position of each positioning block.
Optionally, the through hole is located in the center of the recess.
Therefore, the combined fixture of the embodiment is particularly suitable for positioning welding of small-sized lithium ion batteries. The combined type positioning jig can fix the lithium ion batteries through the positioning blocks, position the circuit board through the circuit board positioning table, and ensure the consistency of the welding positions of each lithium ion battery and the circuit board through the positioning of the welding filler strip which is fixed between the electrode lug of each lithium ion battery and the electrode of the circuit board corresponding to the electrode lug, and ensure the consistency of the sizes of lithium ion battery components in batches.
In addition, but not limited to, according to the shape of present lithium ion battery, dismantle the locating piece of change with it adaptation at any time, make the commonality of tool strong.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principle of the invention.
Fig. 1 is a schematic structural diagram of a jig for positioning welding of a lithium ion battery provided by an embodiment of the present invention.
Reference numerals:
1: a jig frame; 2: welding a positioning groove; 3: positioning holes; 31: a first notch;
4, a circuit board positioning table; 5: welding a filler strip; 51: a protrusion;
6: positioning a block; 61: concave position; 62: a second notch;
63: a horizontal projection; 64: a through hole;
7: a bottom support; 8: a hand-held portion; 9: a jig positioning portion.
Detailed Description
The invention will be described in detail with reference to the drawings and specific embodiments, wherein the exemplary embodiments and descriptions are provided to explain the invention, but not to limit the invention.
Example 1
See fig. 1.
The embodiment provides a jig for positioning and welding a lithium ion battery, the main body of the jig is a jig frame 1, and a welding positioning groove 2, a positioning hole 3 and a circuit board positioning table 4 are arranged on the top surface of the jig frame 1.
Wherein, welding constant head tank 2 is rectangular recess, and the width of welding constant head tank 2 is established to the length of the welding section of lithium ion battery's utmost point ear and the electrode looks lap welding of outside circuit board.
Be equipped with the welding backing strip 5 of making by high temperature resistant insulating material in each welding constant head tank 2, wherein can but not be limited to set up welding backing strip 5 into the isolated construction, can put into welding constant head tank 2 when using in order to supply the welding, avoid welding high temperature to damage the tool, dismantle from welding constant head tank 2 when not needing or damage and need to change, be convenient for maintain and change.
The positioning holes 3 are arranged on one side of the welding positioning groove 2, for convenience, a welding positioning groove 2 is taken as an indication, the positioning holes 3 corresponding to the welding positioning groove 2 are arranged at the front end of the welding positioning groove 2, at least two positioning holes 3 are arranged, the positioning holes 3 are arranged in rows along the length direction of the welding positioning groove 2, a notch is further respectively arranged on the side, facing the long-strip-shaped groove, of each positioning hole 3, and is marked as a first notch 31, and each first notch 31 is communicated with the welding positioning groove 2 opposite to the first notch 31.
The circuit board positioning tables 4 are arranged at the rear ends of the welding positioning grooves 2 opposite to the positioning holes 3, the welding positioning grooves 2 are arranged in rows along the length direction of the welding positioning grooves 2, each circuit board positioning table 4 corresponds to one positioning hole 3, and the number of the circuit board positioning tables 4 is the same as that of the positioning holes 3.
The jig of the present embodiment is further provided with a plurality of positioning blocks 6, and the outer dimension of each positioning block 6 is adapted to the dimension of the concave portion 61 of each positioning hole 3 on the jig, so that each positioning block 6 can be respectively limited in each positioning hole 3 to prohibit displacement. A concave position 61 is arranged on the top of each positioning block 6, the shape of the concave position 61 is set according to the shape of the lithium ion battery, and a notch is arranged on the concave position 61 and is marked as a second notch 62.
When the positioning block is applied, the concave positions 61 of several specifications can be preset according to the specifications of several lithium ion batteries which are commonly used at present, that is, multiple sets of positioning blocks 6 are preset. So that when in use, a set of matched positioning blocks 6 can be selected according to the current specification of the lithium ion battery.
During welding, the positioning blocks 6 are respectively placed into the positioning holes 3 of the jig, so that the positions of the second notches 62 on the positioning blocks 6 are consistent with the positions of the first notches 31 in the positioning holes 3; and placing each lithium ion battery into the concave position 61 of each positioning block 6, wherein two tabs of each lithium ion battery extend out of the second notch 62 and horizontally extend on the top surface of the welding filler strip 5. And respectively placing the circuit boards on the circuit board positioning tables 4, enabling the two extending electrodes of each circuit board to also extend horizontally on the welding filler strip 5, respectively laminating the two electrodes and the tail end parts of the two lugs oppositely (namely laminating the anode and the cathode, and laminating the cathode and the anode) on the top surface of the welding filler strip 5, and then respectively welding each lithium ion battery and the circuit board corresponding to the lithium ion battery together by adopting welding equipment.
Therefore, the combined fixture of the embodiment is particularly suitable for positioning and welding small-sized lithium ion batteries. The combined type positioning jig can fix the lithium ion batteries through the positioning blocks 6, position the circuit board through the circuit board positioning table 4, and ensure the consistency of the welding positions of each lithium ion battery and the circuit board through the positioning of the welding gasket strips 5 which are fixed between the lug of each lithium ion battery and the electrode of the circuit board corresponding to the lug of each lithium ion battery and the electrode of the circuit board, thereby ensuring the size consistency of the lithium ion battery components in batches.
In addition, but not limited to, according to the shape of present lithium ion battery, dismantle the locating piece 6 of change adaptation at any time, make the commonality of tool strong.
As an illustration of the present embodiment, the welding backing strip 5 of the present embodiment may be made of, but is not limited to, a ceramic strip, so as to improve the hardness of the welding backing strip 5, prolong the service life thereof, and improve the welding reliability. In addition, this embodiment adopts the scheme of independent welding gasket, is favorable to reducing the material requirement of tool frame 1 frame, practices thrift material cost.
As an illustration of the present embodiment, the length of each welding pad strip 5 may be, but is not limited to, one welding pad strip 5 per lithium ion battery, or two or more welding pad strips 5, and a plurality of welding pad strips 5 may be spliced in a welding positioning groove 2 along the length direction according to the welding equipment.
As an illustration of the present embodiment, at least one protrusion 51 is further disposed on the top of each welding filler strip 5 in the present embodiment, when the welding filler strip 5 is placed in the welding positioning slot 2, each protrusion 51 is respectively opposite to the first notch 31 on the positioning hole 3, and when welding, a protrusion 51 (protrusion 51 on welding filler strip 5) is respectively spaced between two electrode lugs of the lithium ion battery located in each positioning block 6 of each positioning hole 3, so as to avoid contact short circuit between the two electrode lugs. In addition, but not limited to, the height of the bump 51 on the soldering gasket 5 can be further set to be higher than the height of the circuit board positioning table 4 serving as a circuit board placing platform, so that the circuit board is ensured to be spaced outside by the bump 51, the circuit board is prohibited from moving towards the direction of the lithium ion battery, the reliability of soldering positioning is further improved, and the soldering reliability is improved.
As an illustration of the present embodiment, the fixture of the present embodiment further includes a bottom base 7. Accordingly, each positioning block 6 may be, but not limited to, designed such that the bottom outer edge of the positioning block 6 is provided with a horizontal projection 63 of the horizontal outward projection 51, and the horizontal projection 63 may be, but not limited to, symmetrically surrounding the outer edge of the positioning block 6, and may also be, but not limited to, arranged to continuously surround the outer edge of the positioning block 6. Thus, during assembly, the positioning blocks 6 can be pushed into the positioning holes 3 from bottom to top from the bottom of the jig frame 1, the horizontal protrusions 63 at the bottoms of the positioning blocks 6 are positioned outside the positioning holes 3 and are tightly attached to the bottom surface of the jig frame 1, after all the positioning blocks 6 are respectively placed into the positioning holes 3, the bottom support 7 is locked on the bottom surface of the jig frame 1, the horizontal protrusions 63 of all the positioning blocks 6 are locked between the bottom support 7 and the bottom surface of the jig frame 1, and the displacement of the positioning blocks 6 is forbidden.
As an illustration of the present embodiment, but not limited to, a hand-held portion 8 may be respectively disposed at the left and right ends of the jig frame 1, wherein, but not limited to, a narrow hole portion may be respectively hollowed out at the positions close to the edges of the left and right ends of the jig frame 1, so that a user can carry the jig or the jig frame 1 through the left and right opposite hand-held portions 8, which is very portable.
As an illustration of the present embodiment, jig positioning portions 9 are respectively disposed on outer edges (such as, but not limited to, a front edge and a rear edge) of the jig frame 1. Thus, when the welding equipment is used for automatic welding, for example, but not limited to, laser welding equipment is adopted, a jig with a lithium ion battery and a circuit board assembled in advance is fixed on a welding platform of the welding equipment, positioning parts at the front end and the rear end of the welding platform are embedded with jig positioning parts 9 at the front end and the rear end of the jig (for example, one of the positioning parts on the welding platform and the jig is convex, and the other one is a concave part 61 matched with the convex part, so that the positioning parts on the welding platform and the jig are embedded with each other), the positioning of the jig on the welding equipment is ensured, and the accuracy of welding positioning is ensured.
In addition, but not limited to, the positions of the positioning portions on the front and rear end edges of the jig may be staggered, for example, two positioning portions are disposed on the rear end edge of the jig, a positioning portion is disposed on the front end edge of the jig, and the front end positioning portion is located between the two positioning portions on the rear end.
As an illustration of the present embodiment, but not limited to, each positioning block 6 may be provided with a through hole 64 penetrating vertically, and the through hole 64 is located in the recessed portion 61 of the top surface, so that when the lithium ion battery needs to be removed from the positioning block 6, the lithium ion battery can be lifted up from the hole portion of the bottom portion without clamping or tab pulling, thereby improving the convenience of removal.
The above-described embodiments do not limit the scope of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the above-described embodiments should be included in the protection scope of the technical solution.
Claims (10)
1. The utility model provides a tool for lithium ion battery fixed-position welding, characterized by includes:
the jig frame is provided with a welding positioning groove, a positioning hole and a circuit board positioning table on the top surface, the welding positioning groove is a strip-shaped groove,
the positioning holes are arranged on one side of the welding positioning groove in rows, a first notch communicated with the positioning groove is formed in the side, facing the long-strip groove, of each positioning hole, and the circuit board positioning table is located on the other side of the welding positioning groove;
a plurality of independent positioning blocks are also arranged, a concave position is arranged at the top of each positioning block, a second notch is arranged on the concave position,
the welding positioning groove is internally provided with a welding positioning groove, the welding positioning groove is internally embedded with the welding positioning groove, when welding is carried out, the lithium ion batteries are respectively limited in the concave positions of the positioning blocks, the positioning blocks are respectively limited in the positioning holes, the second gaps are opposite to the first gaps, two electrodes of each lithium ion battery respectively extend out of the first gaps and the second gaps and are oppositely stacked on the top surface of the welding positioning groove with the two electrodes of the circuit board on the circuit board positioning table, and therefore welding connection between the lithium ion batteries and the circuit board is achieved on the welding positioning groove.
2. The jig for positioning welding of lithium ion batteries according to claim 1,
the top of each welding backing strip is also provided with a bulge,
when welding, the projections are respectively spaced between the two pole lugs of the lithium ion batteries.
3. The jig for positioning welding of lithium ion batteries according to claim 2,
the height of each bulge respectively exceeds the height of the circuit board positioning table, and when the circuit board is welded, the circuit board is limited outside the bulges and is forbidden to move towards the direction of the lithium ion battery.
4. The jig for positioning welding of the lithium ion battery according to claim 1, further comprising: a bottom support is arranged on the bottom support,
the bottom of each positioning block is provided with a horizontal bulge which horizontally protrudes outwards, when each positioning block is limited in each positioning hole, the horizontal bulge of each positioning block is positioned outside the positioning hole and attached to the bottom surface of the jig frame,
the bottom support is fastened on the bottom surface of the jig frame, and the horizontal protrusions of the positioning blocks are fastened between the bottom surface of the jig frame and the bottom support.
5. The jig for positioning and welding the lithium ion battery according to claim 1, wherein the jig frame is provided with hand-held portions at opposite end portions thereof, respectively.
6. The jig for positioning welding of lithium ion batteries according to claim 1,
jig positioning parts are respectively arranged on two opposite edges of the jig frame.
7. The jig for positioning welding of lithium ion batteries according to claim 6, wherein,
and the positions of the jig positioning parts on the two opposite edges of the jig frame are staggered mutually.
8. The jig for positioning welding of lithium ion batteries according to claim 6, wherein,
each tool positioning part is a concave position which is concave inwards or a convex position which is convex outwards.
9. The jig for positioning welding of lithium ion batteries according to claim 1,
and through holes which penetrate through the positioning blocks up and down are also formed in the concave positions of the positioning blocks.
10. The jig for positioning welding of lithium ion batteries according to claim 9,
the through hole is located in the center of the concave position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221779493.XU CN217702101U (en) | 2022-07-09 | 2022-07-09 | Jig for positioning welding of lithium ion battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221779493.XU CN217702101U (en) | 2022-07-09 | 2022-07-09 | Jig for positioning welding of lithium ion battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217702101U true CN217702101U (en) | 2022-11-01 |
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ID=83776861
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221779493.XU Active CN217702101U (en) | 2022-07-09 | 2022-07-09 | Jig for positioning welding of lithium ion battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217702101U (en) |
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2022
- 2022-07-09 CN CN202221779493.XU patent/CN217702101U/en active Active
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