CN208467594U - A kind of explosion rupture disk welding tooling - Google Patents
A kind of explosion rupture disk welding tooling Download PDFInfo
- Publication number
- CN208467594U CN208467594U CN201820552197.3U CN201820552197U CN208467594U CN 208467594 U CN208467594 U CN 208467594U CN 201820552197 U CN201820552197 U CN 201820552197U CN 208467594 U CN208467594 U CN 208467594U
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- battery cells
- end cover
- hole
- rupture disk
- explosion rupture
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Abstract
The utility model discloses a kind of explosion rupture disk welding toolings, comprising: pedestal, pedestal are equipped at least one end cover for battery cells positioning device, it is characterized in that, end cover for battery cells positioning device includes positioning groove, and positioning groove is equipped at least one positioning convex platform, and positioning convex platform is equipped with suction hole.Explosion rupture disk welding tooling provided by the utility model, the gas vent that positioning convex platform passes through end cover for battery cells itself further position end cover for battery cells, guarantee that end cover for battery cells is fixed；Positioning convex platform is equipped with suction hole, and suction hole one end is contacted with explosion rupture disk, and the other end is connect with getter device, guarantees that explosion rupture disk is bonded with end cover for battery cells in welding process, keeps welding process smooth；Substantially increase welding yields.
Description
Technical field
The utility model relates to the explosion rupture disk welding technology field of lithium ion battery more particularly to a kind of explosion rupture disk Welders
Dress.
Background technique
In the explosion rupture disk welding process of battery, due to explosion rupture disk do not have location hole class location structure can not position etc. it is various
Reason causes welding yields not high, scraps once failure welding will result in explosion rupture disk, and weld end cover for battery cells accordingly
Also it to scrap, therefore nowadays explosion rupture disk welding faces the problems such as welding yields is not high, and product cost is high.
Summary of the invention
In order to solve the above technical problems, the utility model provides a kind of explosion rupture disk welding tooling, it will be electric using aspirated mode
Pond end cap and explosion rupture disk fit together, and reach good welding effect, improve welding yields.
A kind of explosion rupture disk welding tooling, comprising: pedestal, the pedestal are equipped at least one end cover for battery cells positioning device,
It is characterized in that, the end cover for battery cells positioning device includes positioning groove, the positioning groove is equipped at least one convex
Platform, the positioning convex platform are equipped with suction hole.
Above technical scheme is preferred, and the outer diameter of the positioning convex platform is equal to the diameter of the end cover for battery cells upper air-vent.
Above technical scheme is preferred, and the height of the positioning convex platform is less than or equal to the height of the gas vent.
Above technical scheme is preferred, and the positioning groove is stepped hole, and the stepped hole includes from top to bottom successively setting
First order hole, second level hole and the third level hole set, the positioning convex platform are set on the end face in first order hole.
Above technical scheme is preferred, and the internal diameter in the first order hole is equal to the outer diameter of the end cover for battery cells major diameter section, institute
The internal diameter for stating second level hole is greater than or equal to the outer diameter of the end cover for battery cells interlude, and the internal diameter in the third level hole is greater than or waits
In the outer diameter of the end cover for battery cells path section.
Above technical scheme is preferred, and the suction hole is through-hole.
Above technical scheme is preferred, and the suction hole is equipped with getter device connecting pin far from one end of the positioning convex platform
Son.
The utility model has the advantages and positive effects of: explosion rupture disk welding tooling provided by the utility model, positioning
The gas vent that boss passes through end cover for battery cells itself further positions end cover for battery cells, guarantees that end cover for battery cells is fixed；Positioning
Boss is equipped with suction hole, and suction hole one end is contacted with explosion rupture disk, and the other end is connect with getter device, guarantees to prevent in welding process
Quick-fried is bonded with end cover for battery cells, keeps welding process smooth；Welding yields is substantially increased, is not used provided by the utility model
It is 80% or so that yields is welded before explosion rupture disk welding tooling, is increased to 98% or so using yields is welded after this tooling, subtracts
Product cost is reduced while few scrappage.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of an embodiment of the present invention
Fig. 2 is the A-A cross-sectional view of Fig. 1
Fig. 3 is the B-B cross-sectional view of Fig. 1
Wherein: 1- pedestal；2- positioning convex platform；3- end cover for battery cells positioning device；4- getter device connection terminal；5- air-breathing
Hole；31- first order hole；The second level 32- hole；33- third level hole.
Specific embodiment
It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can
To be combined with each other.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate
Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand
For to the utility model system.In addition, term " first ", " second " etc. are used for description purposes only, and it should not be understood as instruction or dark
Show relative importance or implicitly indicates the quantity of indicated technical characteristic.The spy of " first ", " second " etc. is defined as a result,
Sign can explicitly or implicitly include one or more of the features.In the description of the present invention, unless otherwise saying
Bright, the meaning of " plurality " is two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, on being understood by concrete condition
State the concrete meaning of term in the present invention.
The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
In order to improve welding yields, product cost is reduced, the present embodiment provides a kind of explosion rupture disk welding tooling, such as Fig. 1
It is shown, comprising: the set explosion rupture disks such as 1,2,3 or 4 and electricity may be implemented in order to improve welding efficiency in pedestal 1 on one welding tooling
The welding of pond end cap, pedestal 1 are equipped at least one end cover for battery cells positioning device 3, and end cover for battery cells positioning device accordingly can be with
It is 1,2,3 or 4 etc., the present embodiment pedestal is equipped with 2 end cover for battery cells positioning devices, and the application is not limited to the present embodiment middle electricity
The number of pond end cover positioning device；End cover for battery cells positioning device 3 includes positioning groove, and positioning groove is equipped at least one positioning
The end cover for battery cells of boss 2, Most current is equipped with a gas vent, therefore is correspondingly provided with one in the present embodiment on positioning groove
A positioning convex platform；As shown in Fig. 2, positioning convex platform is equipped with suction hole 5, suction hole is through-hole, the remotely located boss 2 of suction hole
One end is equipped with getter device connection terminal 4, and explosion rupture disk and end cover for battery cells are attracted, positioning convex platform 2 by the external getter device of suction hole
Quantity can increase with the increase of gas vent, such as 2,3,4 or 5, and then further increase explosion rupture disk and end cover for battery cells
Actuation degree.
In order to improve positioning accuracy, the outer diameter of positioning convex platform 2 is equal to the diameter of end cover for battery cells upper air-vent；Positioning convex platform 2
Height be less than or equal to gas vent height, guarantee explosion rupture disk be vented hole end surface be bonded；It is attracted effect in order to reach best,
Preferably, the height of positioning convex platform is equal to the height of gas vent in the present embodiment, if the height of positioning convex platform is less than gas vent
Height also can be realized actuation function, but actuation degree does not have the present embodiment good.
As shown in figure 3, in order to reflect incomplete structure draft, chamfering etc. in Fig. 3, positioning groove is stepped hole, positioning convex platform 2
On the end face in first order hole 31.In order to improve positioning accuracy, positioning groove is three-level stepped hole, three-level rank in the present embodiment
Terraced hole includes the first order hole, second level hole and third level hole from top to bottom set gradually, and the internal diameter in first order hole 31 is equal to electricity
The outer diameter of pond end cap major diameter section, the internal diameter in second level hole 32 are greater than or equal to the outer diameter of end cover for battery cells interlude, third level hole 33
Internal diameter be greater than or equal to the outer diameter of end cover for battery cells path section, the setting in second level hole 32 and third level hole 33 is to guarantee battery-end
The top of lid is stretched out outside first order hole, is positioned at end cover for battery cells major diameter section end face on the end face in first order hole 31, first order hole
31 internal diameter is equal to the outer diameter of end cover for battery cells major diameter section, is limited to the movement of end cover for battery cells in the plane along stepped hole center
Rotation, the outer diameter of positioning convex platform 2 are equal to the diameter of end cover for battery cells upper air-vent, limit the movement of end cover for battery cells in the plane, the
The end face limitation end cover for battery cells in level-one hole moves downward, to realize the positioning of end cover for battery cells；Stepped hole is two-stage stepped hole
Can, including the first order hole and second level hole from top to bottom set gradually, the internal diameter in first order hole is equal to end cover for battery cells major diameter section
Outer diameter, the internal diameter in second level hole is greater than or equal to the outer diameter of end cover for battery cells interlude, can also guarantee the top of end cover for battery cells
It stretches out outside first order hole, is positioned at end cover for battery cells major diameter section end face on the end face in first order hole.
In use, positioning convex platform 2 is aligned with the gas vent of end cover for battery cells, end cover for battery cells is installed, explosion rupture disk is placed in
On end cover for battery cells, getter device is connected and opens, end cover for battery cells and explosion rupture disk are attracted by suction hole 5, are guaranteed by getter device
Fitting in end cover for battery cells and explosion rupture disk welding process reaches good welding effect.
Explosion rupture disk welding tooling provided in this embodiment, positioning convex platform pass through the gas vent of end cover for battery cells itself to battery-end
Lid is further positioned, and guarantees that end cover for battery cells is fixed；Positioning convex platform is equipped with suction hole, and suction hole one end connects with explosion rupture disk
Touching, the other end are connect with getter device, guarantee that explosion rupture disk is bonded with end cover for battery cells in welding process, keeps welding process smooth；Greatly
Welding yields is improved greatly, welding yields is 80% left side before not using explosion rupture disk welding tooling provided by the utility model
The right side is increased to 98% or so using yields is welded after this tooling, reduces product cost while reducing scrappage.
One embodiment of the utility model is described in detail above, but the content is only the utility model
Preferred embodiment should not be considered as limiting the scope of the present invention.It is all to be made according to application scope of the utility model
All the changes and improvements etc., should still belong within the patent covering scope of the utility model.
Claims (7)
1. a kind of explosion rupture disk welding tooling, comprising: pedestal, the pedestal are equipped at least one end cover for battery cells positioning device,
It being characterized in that, the end cover for battery cells positioning device includes positioning groove, and the positioning groove is equipped at least one positioning convex platform,
The positioning convex platform is equipped with suction hole.
2. explosion rupture disk welding tooling according to claim 1, it is characterised in that: the outer diameter of the positioning convex platform is equal to described
The diameter of end cover for battery cells upper air-vent.
3. explosion rupture disk welding tooling according to claim 2, it is characterised in that: the height of the positioning convex platform is less than or waits
In the height of the gas vent.
4. explosion rupture disk welding tooling according to claim 1, it is characterised in that: the positioning groove is stepped hole, described
Stepped hole includes the first order hole, second level hole and third level hole from top to bottom set gradually, and the positioning convex platform is set to first
On the end face in grade hole.
5. explosion rupture disk welding tooling according to claim 4, it is characterised in that: the internal diameter in the first order hole is equal to described
The outer diameter of end cover for battery cells major diameter section, the internal diameter in the second level hole are greater than or equal to the outer diameter of the end cover for battery cells interlude, institute
The internal diameter for stating third level hole is greater than or equal to the outer diameter of the end cover for battery cells path section.
6. explosion rupture disk welding tooling according to claim 1, it is characterised in that: the suction hole is through-hole.
7. explosion rupture disk welding tooling according to claim 6, it is characterised in that: the suction hole is far from the positioning convex platform
One end be equipped with getter device connection terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820552197.3U CN208467594U (en) | 2018-04-18 | 2018-04-18 | A kind of explosion rupture disk welding tooling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820552197.3U CN208467594U (en) | 2018-04-18 | 2018-04-18 | A kind of explosion rupture disk welding tooling |
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| Publication Number | Publication Date |
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| CN208467594U true CN208467594U (en) | 2019-02-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820552197.3U Active CN208467594U (en) | 2018-04-18 | 2018-04-18 | A kind of explosion rupture disk welding tooling |
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| CN (1) | CN208467594U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114535999A (en) * | 2022-01-29 | 2022-05-27 | 贵州华烽汽车零部件有限公司 | Valve plate assembling device of air compression bipolar pump |
-
2018
- 2018-04-18 CN CN201820552197.3U patent/CN208467594U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114535999A (en) * | 2022-01-29 | 2022-05-27 | 贵州华烽汽车零部件有限公司 | Valve plate assembling device of air compression bipolar pump |
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