CN114734183A - Full utmost point ear battery is with electric core and positive terminal welding jig - Google Patents
Full utmost point ear battery is with electric core and positive terminal welding jig Download PDFInfo
- Publication number
- CN114734183A CN114734183A CN202210240422.0A CN202210240422A CN114734183A CN 114734183 A CN114734183 A CN 114734183A CN 202210240422 A CN202210240422 A CN 202210240422A CN 114734183 A CN114734183 A CN 114734183A
- Authority
- CN
- China
- Prior art keywords
- fixed
- clamp splice
- battery
- positive terminal
- clamping block
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
- B23K37/0443—Jigs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/36—Electric or electronic devices
-
- 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
Abstract
The invention relates to the technical field of lithium battery welding, in particular to a welding clamp for a battery core and a positive terminal for a full-tab battery. The base is included, the base middle part is provided with fixed clamp splice and supporting shoe, one side or both sides of fixed clamp splice are provided with the activity clamp splice, fixed clamp splice and activity clamp splice butt joint back middle fixed slot that holds the battery that forms, the one end that fixed clamp splice was kept away from to the activity clamp splice is provided with elastic expansion mechanism, the activity clamp splice passes through elastic expansion mechanism and is connected with the fixed plate on the base, the top of supporting shoe is fixed with the one end of centering clamp plate through the stopper bolt, the nut of stopper bolt and centering clamp plate between the screw rod part cover be equipped with first spring, the other end of centering clamp plate is provided with the pressure head. The battery shell is fixed and limited by the fixed clamping block and the movable clamping block connected with the elastic telescopic mechanism, and the constraint force provided by the elastic telescopic mechanism is linearly adjustable, so that the battery shell can be accurately positioned, and the battery shell cannot be damaged.
Description
Technical Field
The invention relates to the technical field of lithium battery welding, in particular to a welding clamp for a battery core and a positive terminal for a full-tab battery.
Background
The lithium ion battery shell has a relatively thin wall, which causes problems of relatively low strength and relatively poor rigidity, and the positive electrode terminal metal sheet also has problems of relatively low strength and relatively poor rigidity. However, the welding quality of the case and the positive terminal has a great influence on the performance of the lithium ion battery, and therefore, the welding fixture of the positive terminal and the battery case needs to ensure the position accuracy of the positive terminal and the battery case. Therefore, lithium ion battery manufacturers are required to design the welding jig by considering not only the positioning accuracy of the housing and the positive terminal, but also the strength and rigidity of the housing and the positive terminal, so that higher requirements are put forward on the design of the constraining force of the housing and the positive terminal. The conventional mechanical limiting mode is to increase the limiting force, the force of the limiting force is often uncontrollable, the welding precision of the shell and the positive terminal is mainly guaranteed by increasing the radial limiting force of the shell and the axial limiting force of the positive terminal, but the surface of the shell is hardly damaged and the reasonable welding precision is hardly achieved while the limiting precision is guaranteed.
Disclosure of Invention
Based on the problems in the prior art, the invention provides a welding clamp for a battery cell and a positive terminal of a full-tab battery, and particularly discloses the following technical scheme:
the utility model provides a full utmost point ear is electric core and positive terminal welding jig for battery, includes the base, the base middle part is provided with fixed clamp splice and supporting shoe, one side or both sides of fixed clamp splice are provided with the activity clamp splice, the fixed clamp splice forms the fixed slot that holds the battery with activity clamp splice butt joint back centre, the one end that fixed clamp splice was kept away from to the activity clamp splice is provided with elastic telescopic mechanism, the activity clamp splice is connected with the fixed plate on the base through elastic telescopic mechanism, the top of supporting shoe is fixed with centering clamp plate's one end through the stopper bolt, the screw rod part cover is equipped with first spring between the nut of stopper bolt and the centering clamp plate, the other end of centering clamp plate is provided with the pressure head.
Furthermore, one ends, close to each other, of the movable clamping blocks and the fixed clamping blocks are provided with V-shaped grooves, and the two V-shaped grooves are in butt joint to form a fixed groove.
Furthermore, the number of the elastic telescopic mechanisms is two, and the elastic telescopic mechanisms are arranged at one end of the movable clamping block, which is far away from the fixed clamping block.
Furthermore, the elastic telescopic mechanism comprises a guide shaft and a second spring sleeved on the guide shaft, one end of the guide shaft is connected with the movable clamping block in a sliding mode through a linear bearing, the other end of the guide shaft is fixedly connected with the fixed plate, and the second spring is sleeved on the guide shaft between the fixed plate and the movable clamping block.
Further, the length of the guide shaft is larger than the maximum distance between the fixed plate and the movable clamping block.
Furthermore, a pull rod is arranged at one end, away from the fixed clamping block, of the movable clamping block, one end of the pull rod is fixedly connected with the movable clamping block, a pull head penetrates through the fixed plate at the other end of the pull rod, and the pull rod is connected with the fixed plate in a sliding mode.
Furthermore, the upper portion outside cover of the stopper bolt of beating is equipped with presses the cap, the inside of pressing the cap is provided with the shoulder hole, first spring setting is in the shoulder hole, and the card is put between the nut of stopper bolt of beating and the step of shoulder hole, the bottom and the centering clamp plate fixed connection of stopper bolt of beating.
Further, still be provided with a plurality of handles on the base, the handle passes through the set screw and installs on the base.
Compared with the prior art, the invention has the beneficial effects that:
the battery shell is fixed and limited by the fixed clamping block and the movable clamping block connected with the elastic telescopic mechanism, and the constraint force provided by the elastic telescopic mechanism is linearly adjustable, so that the battery shell can be accurately positioned and cannot be damaged; the second spring is arranged between the plug bolt and the qualitative pressing plate, and the linear adjustability of the axial restraining force between the positive terminal and the battery shell can be realized by selecting springs with different elastic coefficients and the initial compression amount of the springs, so that an ideal welding effect is obtained, and the positioning precision and the shell surface quality are both considered.
Drawings
Fig. 1 is a top view of the overall structure of the present invention.
Fig. 2 is a side sectional view of the present invention.
Fig. 3 is a partially enlarged view of fig. 2.
1-base, 2-fixed clamping block, 3-supporting block, 4-movable clamping block, 5-fixed groove,
6-fixing plate, 7-plugging bolt, 8-centering pressing plate, 9-first spring, 10-pressing head, 11-guiding shaft, 12-second spring, 13-linear bearing, 14-pull rod, 15-pull head, 16-pressing cap, 17-handle, 18-positive terminal and 19-battery cell.
Detailed Description
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, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, an electric core and positive terminal welding jig for full-tab battery includes a base 1, a fixed clamp splice 2 and a supporting block 3 are arranged in the middle of the base 1, a movable clamp splice 4 is arranged on one side or two sides of the fixed clamp splice 2, a fixing groove 5 for accommodating the battery is formed in the middle of the fixed clamp splice 2 and the movable clamp splice 4 after butt joint, an elastic telescopic mechanism is arranged at one end of the movable clamp splice 4, which is far away from the fixed clamp splice 2, the movable clamp splice 4 is connected with a fixing plate 6 on the base 1 through the elastic telescopic mechanism, one end of a centering pressing plate 8 is fixed at the top end of the supporting block 3 through a plugging bolt 7, a first spring 9 is sleeved on a screw rod part between a nut of the plugging bolt 7 and the centering pressing plate 8, and a pressing head 10 is arranged at the other end of the centering pressing plate 8.
In this embodiment, activity clamp splice 4 with the one end that fixed clamp splice 2 is close to each other all is provided with V type groove, and two V type groove docks and forms fixed slot 5, and fixed slot 5 is used for radially spacing to battery case.
In this embodiment, the number of the elastic telescopic mechanisms is two, and the elastic telescopic mechanisms are all arranged at one end of the movable clamping block 4 far away from the fixed clamping block 2. The two elastic telescopic mechanisms are symmetrically arranged relative to the center of the end face of the movable clamping block 4, so that the stability and the clamping effect of the movable clamping block 4 are ensured.
In this embodiment, the elastic telescopic mechanism includes a guide shaft 11 and a second spring 12 sleeved on the guide shaft 11, one end of the guide shaft 11 is slidably connected with the movable clamping block 4 through a linear bearing 13, the other end of the guide shaft is fixedly connected with the fixed plate 6, and the second spring 12 is sleeved on the guide shaft 11 between the fixed plate 6 and the movable clamping block 4; the length of the guide shaft 11 is greater than the maximum distance between the fixed plate 6 and the movable clamping block 4; a pull rod 14 is arranged at one end, far away from the fixed clamping block 2, of the movable clamping block 4, one end of the pull rod 14 is fixedly connected with the movable clamping block 4, a pull head 15 penetrates through the fixed plate 6 at the other end of the pull rod 14, and the pull rod 14 is connected with the fixed plate 6 in a sliding mode.
When the batteries can be placed in the fixing groove 5, the pull head 15 can apply outward pulling force to the pull rod 14, the pull rod 14 drives the movable clamping block 4 to move along the guide shaft 11 in the direction far away from the fixed clamping block 2, at the moment, the movable clamping block 4 is separated from the fixed clamping block 2, the batteries can be placed in a V-shaped groove between the movable clamping block 4 and the fixed clamping block 2, the pull head 15 is loosened, and the movable clamping block 4 is gradually close to the fixed clamping block 2 under the elastic force action of the second spring 12 until the battery shell is clamped.
In this embodiment, the upper portion outside cover of stopper bolt 7 is equipped with presses cap 16, the inside of pressing cap 16 is provided with the shoulder hole, first spring 9 sets up in the shoulder hole, and the card is put between the nut of stopper bolt 7 and the step of shoulder hole, the bottom and the centering clamp plate 8 fixed connection of stopper bolt 7.
After the battery shell is fixed, the positive terminal 18 is placed at the top end of a battery cell 19 in the battery shell, the pressure head 10 of the centering pressure plate 8 is moved to the position right above the positive terminal 18 by rotating the pressure cap 16, the first spring 9 is contracted by screwing the plug bolt 7 downwards, and the first spring 9 provides downward elastic constraint force for the pressure cap 16 and the centering pressure plate 8, so that the positive terminal 18 can be positioned at the top center of the battery cell 19 in the battery shell under the downward pressing action of the centering pressure plate 8. The setting of nut can be more convenient for adjust and control centering clamp plate 8.
In this embodiment, still be provided with a plurality of handles 17 on the base 1 to be convenient for remove anchor clamps, handle 17 passes through the set screw and installs on base 1, and the mounted position of handle 17 can not cause the interference to the normal work of anchor clamps.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any minor modifications, equivalent changes and modifications made to the above embodiment according to the technical spirit of the present invention are within the technical scope of the present invention.
Claims (8)
1. The utility model provides an electricity core and positive terminal welding jig for full utmost point ear battery, a serial communication port, the on-line screen storage device comprises a base, the base middle part is provided with fixed clamp splice and supporting shoe, one side or both sides of fixed clamp splice are provided with movable clamp splice, the fixed clamp splice forms the fixed slot that holds the battery with activity clamp splice butt joint back centre, the one end that fixed clamp splice was kept away from to activity clamp splice is provided with elastic telescopic mechanism, the activity clamp splice passes through elastic telescopic mechanism and is connected with the fixed plate on the base, the top of supporting shoe is fixed with the one end of centering clamp plate through the stopper bolt, the screw rod part cover is equipped with first spring between the nut of stopper bolt and the centering clamp plate, the other end of centering clamp plate is provided with the pressure head.
2. The welding fixture for the battery core and the positive terminal of the full-tab battery as claimed in claim 1, wherein one ends of the movable clamping blocks, which are close to the fixed clamping blocks, are provided with V-shaped grooves, and the two V-shaped grooves are butted to form a fixing groove.
3. The full-lug battery cell and positive terminal welding clamp of claim 1, wherein the number of the elastic expansion mechanisms is two, and the two elastic expansion mechanisms are both arranged at one end of the movable clamping block away from the fixed clamping block.
4. The full utmost point ear battery is with electric core and anodal terminal welding jig of claim 3, characterized in that, the elastic expansion mechanism includes the guiding axle and overlaps the second spring of establishing on the guiding axle, the one end of guiding axle passes through linear bearing and movable clamp splice sliding connection, and the other end and fixed plate fixed connection, the second spring cover is established on the guiding axle between fixed plate and the movable clamp splice.
5. The battery cell and positive terminal welding fixture for the full-tab battery as claimed in claim 4, wherein the length of the guide shaft is greater than the maximum distance between the fixed plate and the movable clamping block.
6. The full-lug battery cell and positive terminal welding clamp as claimed in claim 1, wherein a pull rod is disposed at one end of the movable clamping block away from the fixed clamping block, one end of the pull rod is fixedly connected with the movable clamping block, a pull head is disposed at the other end of the pull rod penetrating through the fixed plate, and the pull rod is slidably connected with the fixed plate.
7. The full utmost point ear battery is with electric core and positive terminal welding jig of claim 1, characterized in that, the upper portion outside cover of stoppling bolt is equipped with the pressure cap, the inside of pressure cap is provided with the shoulder hole, first spring sets up in the shoulder hole, and the card is put between the nut of stoppling bolt and the step of shoulder hole, the bottom and the centering clamp plate fixed connection of stoppling bolt.
8. The full-lug battery cell and positive terminal welding clamp as claimed in claim 1, wherein the base is further provided with a plurality of handles, and the handles are mounted on the base through fixing screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210240422.0A CN114734183A (en) | 2022-03-10 | 2022-03-10 | Full utmost point ear battery is with electric core and positive terminal welding jig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210240422.0A CN114734183A (en) | 2022-03-10 | 2022-03-10 | Full utmost point ear battery is with electric core and positive terminal welding jig |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114734183A true CN114734183A (en) | 2022-07-12 |
Family
ID=82274980
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210240422.0A Pending CN114734183A (en) | 2022-03-10 | 2022-03-10 | Full utmost point ear battery is with electric core and positive terminal welding jig |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114734183A (en) |
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