CN208468099U - A kind of dial grinding clamp for cylindrical lithium battery back welding capillary - Google Patents
A kind of dial grinding clamp for cylindrical lithium battery back welding capillary Download PDFInfo
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- CN208468099U CN208468099U CN201821136447.1U CN201821136447U CN208468099U CN 208468099 U CN208468099 U CN 208468099U CN 201821136447 U CN201821136447 U CN 201821136447U CN 208468099 U CN208468099 U CN 208468099U
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- capillary
- cushion cap
- pressing plate
- syringe needle
- shank
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Abstract
The utility model discloses a kind of dial grinding clamps for cylindrical lithium battery back welding capillary, it include capillary cushion cap, pressing plate and pedestal, pressing plate is set to the side of capillary cushion cap, it is equipped with V-groove between capillary cushion cap and pressing plate, capillary is pressed in V-groove by the way that pressing plate to be locked on capillary cushion cap；Capillary cushion cap is fixed on the base, and the accommodation groove of syringe needle before can accommodating capillary is formed between the upper surface of the lower end surface and pedestal of pressing plate and capillary cushion cap.The utility model cooperates fixed capillary by pressing plate and capillary cushion cap, and using the upper and lower end face of capillary cushion cap and capillary shank as positioning position, it can efficient, stable, accurately complete the grinding processing at ground capillary both ends, and ensure the verticality of capillary both ends of the surface and shank and the consistency of capillary length dimension, also solve the problems, such as that precompression difference leads to failure welding in batch production；The device structure simple and flexible is easy-to-use simultaneously, extremely economical and practical.
Description
Technical field
The utility model relates to mechanical fastening system technical fields, and in particular to one kind is for fixing cylindrical lithium battery bottom
Weld the clamp structure that capillary carries out dial polishing.
Background technique
It is needed when entering shell in cylindrical lithium battery production process, after electric core winding by negative lug and battery housing base
Welding, capillary one end used are that the lesser cylindrical body of diameter (syringe needle after i.e.) is connect with capillary shank with cone shape transition,
Achieve the purpose that welding is firm to improve pressure in welding；The capillary other end is cylindrical body (the i.e. preceding needle being relatively large in diameter
Head) it is connect with shank；Capillary both ends of the surface are conductive contact surfaces, and electric current flows to small from the large end face of capillary (before syringe needle) when work
End face (syringe needle after i.e.).
In the process, good current lead-through effect is required to the conductive contact surfaces of capillary, when capillary work one
Conductive contact surfaces can generate the impurity layers such as oxide after determining number, influence current lead-through performance, it is therefore desirable to capillary both ends of the surface
Carry out grinding process.It is traditional generally to be handled using manual type, not only time-consuming and laborious, inefficiency, and cannot be guaranteed weldering
The verticality of needle both ends of the surface and capillary shank cannot guarantee that the consistency of capillary length, will cause in batch production because pre-
Pressure difference leads to failure welding；And it is not flexible also uneconomical to use task equipment processing or time factory to reprocess, it can be to normal raw
Production adversely affects.
Utility model content
The technical problems to be solved in the utility model be for disadvantage of the existing technology, provide a kind of structure it is simple,
Dial polishing folder easy to operate, economical and practical, good to the grinding effect of capillary end face, for cylindrical lithium battery back welding capillary
Tool.
In order to solve the above technical problems, the utility model adopts the following technical solution: one kind being used for cylindrical lithium battery bottom
The dial grinding clamp of capillary is welded, the capillary includes shank, preceding syringe needle and rear syringe needle, and preceding syringe needle is located at the front end of shank,
Syringe needle is located at the rear end of shank afterwards, and preceding syringe needle and rear syringe needle are cylindrical shape, and the diameter of rear syringe needle is less than the diameter of shank, needle
The diameter of bar is less than the diameter of preceding syringe needle, is circular conical surface transition between rear syringe needle and shank, it is characterised in that: include that capillary is held
Platform, pressing plate and pedestal, pressing plate are set to the side of capillary cushion cap, are equipped between capillary cushion cap and pressing plate several for placing weldering
The slot of needle, the corresponding root bead needle of every a groove, by the way that pressing plate is locked at the clamping structure formed on capillary cushion cap to capillary；Institute
Stating capillary cushion cap is the "convex" shaped structure fallen, and capillary cushion cap, which stands upside down, to be fixed on the base, the lower end surface of pressing plate and capillary cushion cap
The accommodation groove of syringe needle before can accommodating capillary is formed between the upper surface of pedestal, capillary is clamped to pressing plate and capillary cushion cap
Between after its preceding syringe needle and rear syringe needle stretch out on capillary cushion cap upper surface or under lower end surface, and preceding syringe needle is connect with shank
The end face at place is stuck on the upper surface or lower end surface of capillary cushion cap.
Further, the slot for placing capillary is V-groove, and two sides is equipped with several V before and after capillary cushion cap
Type groove, two sides pass through pressing plate respectively and capillary are clamped in V-groove.
Further, it is equipped with locking hole in pressing plate, and is equipped with screw hole in capillary cushion cap, pressing plate is tightened in screw hole by bolt
The fixed structure of middle formation and capillary cushion cap.
Further, the locking hole is hardy hole, for top aperture is small, lower part aperture is big structure, and top aperture
It is identical as the screw hole of capillary cushion cap.When dismounting, bolt is unclamped, pressing plate can be pushed to be upwardly into bolt nut diameter at this time big with lower part
The position being adapted at circular diameter, so that unclamping pressing plate can be taken off capillary；Install capillary when, pressing plate top axis of small circle position and
Bolt is adapted, thus the capillary that is tightened.
Further, the pressing plate is fixed by outer-hexagonal bolt and capillary cushion cap, and capillary cushion cap is heavy by interior hexagonal
Hook bolt is fixed with pedestal, and the fixture is mountable on grinding machine, and pedestal is connect with Grinder bench, and grinding tool is located above fixture,
For being ground to capillary end face.
Preferably, the V-groove is equipped with 20 altogether, and the front-back of capillary cushion cap is respectively provided with 10, naturally it is also possible to according to
Need to be arranged more or fewer V-grooves.
The processing of capillary both ends of the surface is completed by being ground twice.When being ground for the first time, by the preceding syringe needle and needle of 20 capillaries
The end face of bar junction and the upper surface fitting of capillary cushion cap, shank is positioning surface, starts to be ground after being fixedly clamped, and stock removal is
0.1mm.When second of grinding, 20 capillaries 1 are turned around, preceding syringe needle and the end face of shank junction and the lower end of capillary cushion cap
Face paste is closed, and shank is positioning surface, starts to be ground after being fixedly clamped, stock removal 0.1mm.
The utility model cooperates fixed capillary by pressing plate and capillary cushion cap, and with the upper and lower end face of capillary cushion cap and capillary
Shank can efficient, stable, accurately complete the grinding processing at ground capillary both ends, solve artificial place as positioning position
The problem of managing time-consuming and laborious and inefficiency, it is ensured that the verticality and capillary length dimension of capillary both ends of the surface and capillary shank
Consistency also solves the problems, such as that precompression difference leads to failure welding in batch production；Meanwhile the device structure simple and flexible
It is easy-to-use, it does not need go back to factory and reprocesses, do not need buying task equipment processing yet, it is extremely economical and practical.
Detailed description of the invention
Fig. 1 is the utility model schematic perspective view；
Fig. 2 is the utility model front schematic view；
Fig. 3 is the utility model side schematic view；
Fig. 4 is the utility model schematic top plan view；
Fig. 5 is the utility model decomposition diagram.
In figure, 1 is capillary, and 11 be shank, and 12 be preceding syringe needle, and 13 be rear syringe needle, and 2 be capillary cushion cap, and 21 be V-groove, and 3 are
Pressing plate, 4 be pedestal, and 5 be locking hole, and 6 be screw hole, and 7 be accommodation groove.
Specific embodiment
In the present embodiment ,-Fig. 5 referring to Fig.1, the dial grinding clamp for cylindrical lithium battery back welding capillary, institute
Stating capillary 1 includes shank 11, preceding syringe needle 12 and rear syringe needle 13, and preceding syringe needle 12 is located at the front end of shank 11, and rear syringe needle 13 is located at
The rear end of shank 11, preceding syringe needle 12 and rear syringe needle 13 are cylindrical shape, and the diameter of rear syringe needle 13 is less than the diameter of shank 11, needle
The diameter of bar 11 is less than the diameter of preceding syringe needle 12, is circular conical surface transition between rear syringe needle 13 and shank 11；It include capillary cushion cap
2, pressing plate 3 and pedestal 4, pressing plate 3 are set to the side of capillary cushion cap 2, and several be used for is equipped between capillary cushion cap 2 and pressing plate 3
The slot of capillary 1 is placed, the corresponding root bead needle 1 of every a groove is formed by the way that pressing plate 3 to be locked on capillary cushion cap 2 to capillary 1
Clamping structure；The capillary cushion cap 2 is the "convex" shaped structure fallen, and the handstand of capillary cushion cap 2 is fixed on pedestal 4, pressing plate 3 and weldering
The accommodation groove 7 that can accommodate the preceding syringe needle 12 of capillary 1, capillary are formed between the lower end surface of needle cushion cap 2 and the upper surface of pedestal 4
1, which is clamped between pressing plate 3 and capillary cushion cap 2 its preceding syringe needle 12 and rear syringe needle 13 afterwards, stretches out on 2 upper surface of capillary cushion cap
Or under lower end surface, and the end face of preceding syringe needle 12 and 11 junction of shank is stuck on the upper surface or lower end surface of capillary cushion cap 2.
The slot for placing capillary 1 is V-groove 21, and two sides is equipped with several V-grooves before and after capillary cushion cap 2
21, two sides passes through pressing plate 3 respectively and capillary 1 is clamped in V-groove 21.
It is equipped with locking hole 5 in pressing plate 3, and is equipped with screw hole 6 in capillary cushion cap 2, pressing plate 3 is tightened in screw hole 6 by bolt
Form the fixed structure with capillary cushion cap 2.
The locking hole 5 is hardy hole, is the structure that top aperture is small, lower part aperture is big, and top aperture is held with capillary
The screw hole 6 of platform 2 is identical.When dismounting, bolt is unclamped, can push that pressing plate 3 is upwardly into bolt nut diameter and lower part great circle is straight at this time
The position being adapted at diameter, so that unclamping pressing plate can be taken off capillary 1；Install capillary 1 when, 3 top axis of small circle position of pressing plate and
Bolt is adapted, thus the capillary 1 that is tightened.
The pressing plate 3 is fixed by outer-hexagonal bolt and capillary cushion cap 2, and capillary cushion cap 2 passes through interior hexagonal dormant bolt
Fixed with pedestal 4, the fixture is mountable on grinding machine, and pedestal connect with Grinder bench, and grinding tool is located at fixture top, is used for pair
Capillary end face is ground.
The V-groove 21 is equipped with 20 altogether, and the front-back of capillary cushion cap 2 is respectively provided with 10, naturally it is also possible to as needed
More or fewer V-grooves are set.
The processing of capillary both ends of the surface is completed by being ground twice.For the first time be ground when, by the preceding syringe needle 12 of 20 capillaries 1 with
The end face of 11 junction of shank and the upper surface fitting of capillary cushion cap 2, shank 11 is positioning surface, starts to be ground after being fixedly clamped,
Stock removal is 0.1mm.When second of grinding, 20 capillaries 1 are turned around, end face and weldering of the preceding syringe needle 12 with 11 junction of shank
The lower end surface of needle cushion cap 2 is bonded, and shank 11 is positioning surface, starts to be ground after being fixedly clamped, stock removal 0.1mm.
The utility model is described in detail above, it is described above, only the preferred embodiment of the utility model and
, when the utility model practical range cannot be limited, i.e., all according to the made equivalent changes and modifications of the application range, it should still belong to this
In utility model covering scope.
Claims (6)
1. a kind of dial grinding clamp for cylindrical lithium battery back welding capillary, the capillary include shank, preceding syringe needle and
Syringe needle afterwards, preceding syringe needle are located at the front end of shank, and rear syringe needle is located at the rear end of shank, and preceding syringe needle and rear syringe needle are cylindrical shape,
The diameter of syringe needle is less than the diameter of shank afterwards, and the diameter of shank is less than the diameter of preceding syringe needle, is circular cone between rear syringe needle and shank
Face transition, it is characterised in that: include capillary cushion cap, pressing plate and pedestal, pressing plate is set to the side of capillary cushion cap, holds in capillary
It is equipped between platform and pressing plate several for placing the slot of capillary, the corresponding root bead needle of every a groove, by the way that pressing plate is locked at weldering
The clamping structure to capillary is formed on needle cushion cap；Capillary cushion cap is fixed on the base, the lower end surface and base of pressing plate and capillary cushion cap
The accommodation groove of syringe needle before can accommodating capillary is formed between the upper surface of seat, capillary is clamped between pressing plate and capillary cushion cap
Its preceding syringe needle and rear syringe needle stretch out on capillary cushion cap upper surface or under lower end surface afterwards, and preceding syringe needle and shank junction
End face is stuck on the upper surface or lower end surface of capillary cushion cap.
2. the dial grinding clamp according to claim 1 for cylindrical lithium battery back welding capillary, it is characterised in that: institute
Stating capillary cushion cap is the "convex" shaped structure fallen, and capillary cushion cap, which stands upside down, to be fixed on the base；The slot for placing capillary is V
Type groove, two sides is equipped with several V-grooves before and after capillary cushion cap, and two sides passes through pressing plate respectively and capillary is clamped in V-groove.
3. the dial grinding clamp according to claim 1 for cylindrical lithium battery back welding capillary, it is characterised in that:
Pressing plate is equipped with locking hole, and screw hole is equipped in capillary cushion cap, and pressing plate is tightened in screw hole by bolt and is formed and capillary cushion cap
Fixed structure.
4. the dial grinding clamp according to claim 3 for cylindrical lithium battery back welding capillary, it is characterised in that: institute
Stating locking hole is hardy hole, for top aperture is small, lower part aperture is big structure, and the screw hole phase in top aperture and capillary cushion cap
Together.
5. the dial grinding clamp according to claim 1 for cylindrical lithium battery back welding capillary, it is characterised in that: institute
Pressing plate is stated to fix by outer-hexagonal bolt and capillary cushion cap, and capillary cushion cap is fixed by interior hexagonal dormant bolt with pedestal.
6. the dial grinding clamp according to claim 2 for cylindrical lithium battery back welding capillary, it is characterised in that: institute
It states V-groove and is equipped with 20 altogether, the front-back of capillary cushion cap is respectively provided with 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821136447.1U CN208468099U (en) | 2018-07-18 | 2018-07-18 | A kind of dial grinding clamp for cylindrical lithium battery back welding capillary |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821136447.1U CN208468099U (en) | 2018-07-18 | 2018-07-18 | A kind of dial grinding clamp for cylindrical lithium battery back welding capillary |
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| Publication Number | Publication Date |
|---|---|
| CN208468099U true CN208468099U (en) | 2019-02-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821136447.1U Active CN208468099U (en) | 2018-07-18 | 2018-07-18 | A kind of dial grinding clamp for cylindrical lithium battery back welding capillary |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108637902A (en) * | 2018-07-18 | 2018-10-12 | 青海绿草地新能源科技有限公司 | A kind of dial grinding clamp and capillary polishing process for cylindrical lithium battery back welding capillary |
-
2018
- 2018-07-18 CN CN201821136447.1U patent/CN208468099U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108637902A (en) * | 2018-07-18 | 2018-10-12 | 青海绿草地新能源科技有限公司 | A kind of dial grinding clamp and capillary polishing process for cylindrical lithium battery back welding capillary |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Needle surface polishing fixture for cylindrical lithium battery bottom welding needles and welding needle polishing method Effective date of registration: 20191209 Granted publication date: 20190205 Pledgee: Qinghai Xing Xing development and Construction Co.,Ltd. Pledgor: QINGHAI GREEN GRASS OF TECHNOLOGY CO.,LTD. Registration number: Y2019630000003 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20200511 Granted publication date: 20190205 |
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| PP01 | Preservation of patent right | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20230511 Granted publication date: 20190205 |
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| PD01 | Discharge of preservation of patent | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20230511 Granted publication date: 20190205 |
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| PP01 | Preservation of patent right |