CN218677261U - Negative pressure formation suction nozzle device, mechanism and negative pressure formation device - Google Patents
Negative pressure formation suction nozzle device, mechanism and negative pressure formation device Download PDFInfo
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- CN218677261U CN218677261U CN202223165346.6U CN202223165346U CN218677261U CN 218677261 U CN218677261 U CN 218677261U CN 202223165346 U CN202223165346 U CN 202223165346U CN 218677261 U CN218677261 U CN 218677261U
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- suction nozzle
- negative pressure
- sliding rod
- hole
- pressure formation
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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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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
The utility model relates to a negative pressure formation suction nozzle device, which comprises a slide bar unit, wherein the slide bar unit comprises a slide bar, a first through hole is arranged on the slide bar, the first through hole is arranged along the length direction of the slide bar, one end of the first through hole is provided with a suction nozzle, the other end is provided with a connecting part, a first stopper is arranged on the slide bar near the suction nozzle, and a second stopper is arranged on the slide bar near the connecting part; the sleeve unit comprises a sliding barrel, the sliding barrel is sleeved on the sliding rod, a spring is arranged between the sliding barrel and the first limiting block, and the sliding barrel moves between the first limiting block and the second limiting block. The utility model discloses can reduce the in-process electrolyte that becomes at the negative pressure and annotate the remaining of liquid mouth to avoid electrolyte to remain and annotate the liquid mouth and cause the pollution at the battery, and can avoid subsequent welding bad, improve the yield and the welding stability of battery.
Description
Technical Field
The utility model belongs to the technical field of lithium battery equipment technique and specifically relates to indicate a negative pressure becomes suction nozzle device, mechanism and negative pressure and becomes device.
Background
In the production process of the lithium battery, a negative pressure formation process is required, and the lithium battery can generate a large amount of gas during negative pressure formation, so that the battery is easy to bulge and has performance problems. Therefore, the generated gas needs to be treated by using a negative pressure formation device, the negative pressure formation device adjusts the air pressure inside the battery through a pressure control system, and a large amount of gas generated in the formation process is extracted from a liquid injection port of the battery through a negative pressure vacuum system.
At present, a negative pressure formation suction nozzle on the market is directly contacted with a battery liquid injection port, and the contact between the conventional suction nozzle and the battery liquid injection port is not tight enough, so that electrolyte flowing backwards after negative pressure formation is finished easily overflows to the surface of a battery cover plate from the suction nozzle, and the electrolyte is remained in the liquid injection port, so that the pollution of the liquid injection port is caused, the poor welding of a battery seal is easily caused, and even the fire explosion during welding is caused, so that the yield and the quality of the battery are influenced.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model aims to solve the technical problem that overcome not enough among the prior art, provide a negative pressure formation suction nozzle device, mechanism and negative pressure formation device, can avoid electrolyte is remaining to cause the pollution at annotating the liquid mouth to avoid subsequent sealing welding bad.
In order to solve the technical problem, the utility model provides a negative pressure formation suction nozzle device, which comprises,
the sliding rod unit comprises a sliding rod, a first through hole is formed in the sliding rod, the first through hole is formed in the length direction of the sliding rod, a suction nozzle is arranged at one end of the first through hole, a connecting portion is arranged at the other end of the first through hole, a first limiting block is arranged on the sliding rod and close to the suction nozzle, and a second limiting block is arranged on the sliding rod and close to the connecting portion;
the sleeve unit comprises a sliding barrel, the sliding barrel is sleeved on the sliding rod, a spring is arranged between the sliding barrel and the first limiting block, and the sliding barrel moves between the first limiting block and the second limiting block.
Preferably, the sleeve unit further comprises a locking block, and the locking block is arranged on the sliding rod and located between the second limiting block and the sliding barrel.
Preferably, a second through hole is formed in the middle of the locking block, and the locking block is sleeved on the sliding rod through the second through hole.
Preferably, the locking block is further provided with a first mounting hole and a second mounting hole, and the first mounting hole and the second mounting hole are respectively located on two sides of the second through hole.
Preferably, the suction nozzle is a truncated cone, and the radial distance of the suction nozzle is reduced along the liquid injection direction.
Preferably, the connecting portion includes a joint and a fixing member, the joint is connected to the slide bar, and a radial distance between a connecting portion of the joint and the slide bar is greater than a diameter of the slide bar.
Preferably, the fixing member comprises a nut mounted on the slide bar, and a part of the joint is located in the nut.
The utility model also provides a negative pressure becomes suction nozzle mechanism, include the support and as before the negative pressure becomes the suction nozzle device, the negative pressure becomes the suction nozzle device and is equipped with a plurality ofly, a plurality of the negative pressure becomes the suction nozzle device and installs on the support.
Preferably, a plurality of third through holes are formed in the support, the negative pressure formation suction nozzle device is arranged in the third through holes in a penetrating mode, and a locking block in the negative pressure formation suction nozzle device is arranged on the support.
The utility model also provides a negative pressure becomes device, become suction nozzle mechanism including battery pack and as before the negative pressure, wherein, battery pack's notes liquid mouth is equipped with annotates the liquid plug, the suction nozzle that the negative pressure becomes in the suction nozzle mechanism passes through annotate the liquid plug and annotate the liquid mouth and be linked together.
Compared with the prior art, the technical scheme of the utility model have following advantage:
negative pressure become suction nozzle device, mechanism and negative pressure and become device, through setting up slide bar unit and sleeve unit, be equipped with the slide bar in the slide bar unit, set up the first through-hole that is used for gaseous to pass through on the slide bar, still be equipped with first stopper and second stopper on the slide bar, slide cartridge and spring in the sleeve unit are located between first stopper and the second stopper, and the slide cartridge can round trip movement, when carrying out the negative pressure and become, the suction nozzle links to each other with battery injection mouth, to the slide cartridge applys with annotate liquid direction syntropy effort, make slide cartridge compression spring to the suction nozzle can be connected with annotating the liquid mouth closely under the effect of spring, after the negative pressure becomes to accomplish, to moving suction nozzle device in the opposite direction of annotating the liquid direction, thereby shift out the suction nozzle, with the electrolyte that is detained in the suction nozzle by the suction nozzle discharge to waste liquid collection device in the suction nozzle, from this, can reduce the electrolyte that becomes at the in-process of negative pressure annotating the liquid mouth, thereby avoid remaining in the battery annotating the liquid mouth and cause the pollution, and can avoid subsequent welding stability, improve the yield and the welding stability of battery.
Drawings
In order to make the content of the invention more clearly understood, the invention will now be described in further detail with reference to specific embodiments thereof, in conjunction with the accompanying drawings, in which
Fig. 1 is a schematic perspective view of a negative pressure forming nozzle device according to a preferred embodiment of the present invention.
Fig. 2 is a schematic front view of the negative pressure forming nozzle device according to the preferred embodiment of the present invention.
Fig. 3 is a partial structural view of the negative pressure forming nozzle device according to the preferred embodiment of the present invention.
Fig. 4 is a schematic structural view of a negative pressure formation device according to a preferred embodiment of the present invention.
The specification reference numbers indicate: the liquid injection rubber plug comprises a sliding rod 1, a sliding rod 11, a first limiting block 12, a second limiting block 2, a suction nozzle 3, a sliding cylinder 3, a spring 4, a locking block 5, a first mounting hole 51, a second mounting hole 52, a connector 6, a fixing part 7, a support 8, a battery assembly 9 and a liquid injection rubber plug 91.
Detailed Description
The present invention is further described with reference to the following drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.
Example 1
Referring to fig. 1 to 4, the present invention discloses a negative pressure formation suction nozzle device, comprising,
the slide bar unit comprises a slide bar 1, a first through hole is formed in the slide bar, the first through hole is formed in the length direction of the slide bar, a suction nozzle 2 is arranged at one end of the first through hole, a connecting portion is arranged at the other end of the first through hole, a first limiting block 11 is arranged at the position, close to the suction nozzle 2, of the slide bar, and a second limiting block 12 is arranged at the position, close to the connecting portion, of the slide bar 1. In this embodiment, the first limiting block 11 is a nut sleeved on the slide bar 1, and extends outward along the radial direction of the slide bar 1 to form a second limiting block 12;
the sleeve unit comprises a sliding barrel 3, the sliding barrel 3 is sleeved on the sliding rod 1, a spring 4 is arranged between the sliding barrel 3 and the first limiting block 11, and the sliding barrel 3 can reciprocate between the first limiting block 11 and the second limiting block 12.
Therefore, the utility model discloses a negative pressure becomes suction nozzle device through setting up slide bar unit and sleeve unit, is equipped with the slide bar in the slide bar unit, sets up the first through-hole that is used for gaseous to pass through on the slide bar, still is equipped with first stopper and second stopper on the slide bar, and slide cartridge and spring in the sleeve unit are located between first stopper and the second stopper, and the slide cartridge can round trip movement, when carrying out the negative pressure and become, the suction nozzle links to each other with the battery notes liquid mouth, applys the effort with annotating the liquid direction syntropy to the slide cartridge, makes slide cartridge compression spring to the suction nozzle can closely be connected with annotating the liquid mouth under the effect of spring, becomes the back when accomplishing when the negative pressure, moves suction nozzle device to the opposite direction of annotating the liquid direction to shift out the suction nozzle, with the electrolyte that is detained in the suction nozzle by discharge to waste liquid collection device in the suction nozzle, from this, can reduce the electrolyte and annotate the in-process of liquid mouth remaining, thereby avoid electrolyte to remain at the battery notes liquid mouth and cause the pollution, and can avoid subsequent welding badly, improve the yield and the welding stability of battery.
Further, the sleeve unit further comprises a locking block 5, the locking block 5 is arranged on the sliding rod 1, and the locking block 5 is located between the second limiting block 12 and the sliding cylinder 3.
Furthermore, a second through hole is formed in the middle of the locking block 5, and the locking block 5 is sleeved on the sliding rod 1 through the second through hole.
Specifically, the locking block 5 is further provided with a first mounting hole 51 and a second mounting hole 52, the first mounting hole 51 and the second mounting hole 52 are respectively located at two sides of the second through hole, and the locking block 5 can be fixed with other devices through the first mounting hole 51 and the second mounting hole 52.
It should be noted that the suction nozzle 2 is a truncated cone, and the radial distance of the suction nozzle decreases along the filling direction. By the arrangement, the suction nozzle 2 can be conveniently inserted into the liquid injection rubber plug of the battery liquid injection port.
Further, the connecting portion is used for connecting with a vacuum pipeline in a vacuum system, the connecting portion comprises a joint 6 and a fixing piece 7, the joint 6 is connected with the sliding rod 1, and the radial distance of the joint 6 connected with the sliding rod 1 is larger than the diameter of the sliding rod 1.
The fixing piece 7 comprises a nut, threads are arranged on the sliding rod 1, the nut is matched with the threads, the nut is installed on the sliding rod 1, and the local part of the joint 6 is located in the nut. The joint 6 is a stainless steel quick-screwing joint, and the vacuum pipeline can be locked through the nut, so that the joint 6 is in sealing connection with the vacuum pipeline.
Example 2
The utility model also discloses a negative pressure becomes suction nozzle mechanism, become the suction nozzle device including support 8 and as before the negative pressure, the negative pressure becomes the suction nozzle device and is equipped with a plurality ofly, and is a plurality of the negative pressure becomes the suction nozzle device and installs on the support 8.
Particularly, be equipped with a plurality of third through-holes on the support 8, third through-hole array arranges, the negative pressure becomes suction nozzle device and wears to establish in the third through-hole, wherein, the locking block 5 among the negative pressure becomes suction nozzle device installs on the support 8.
Example 3
The utility model also discloses a negative pressure becomes device, including battery pack 9 and as before the negative pressure become suction nozzle mechanism, battery pack's notes liquid mouth is equipped with annotates liquid plug 91, the negative pressure becomes in the suction nozzle mechanism suction nozzle 2 inserts annotate in the liquid plug 91, suction nozzle 2 passes through annotate liquid plug 91 and annotate the liquid mouth and be linked together. And the connecting part in the negative pressure formation suction nozzle mechanism is communicated with a vacuum system.
By adopting the negative pressure formation device, the battery modules 9 can be subjected to negative pressure formation in batches, so that batch processing can be realized, and the production efficiency can be improved.
To sum up, the utility model discloses a negative pressure becomes suction nozzle device through setting up slide bar unit and sleeve unit, is equipped with the slide bar in the slide bar unit, sets up the first through-hole that is used for gaseous to pass through on the slide bar, still is equipped with first stopper and second stopper on the slide bar, and slide cartridge and spring in the sleeve unit are located between first stopper and the second stopper, and the slide cartridge can round trip movement, when carrying out the negative pressure and become, the suction nozzle links to each other with the battery notes liquid mouth, applys the effort with annotating the liquid direction syntropy to the slide cartridge, makes slide cartridge compression spring to the suction nozzle can closely be connected with annotating the liquid mouth under the effect of spring, becomes the completion back when the negative pressure, to moving suction nozzle device in the opposite direction of annotating the liquid direction to shift out the suction nozzle, with the electrolyte that is detained in the suction nozzle by discharge to waste liquid collection device in the suction nozzle, from this, can reduce the in-process electrolyte that becomes annotates the liquid mouth remaining, thereby avoid electrolyte to remain at the battery notes liquid mouth and cause the pollution to can avoid subsequent welding badly, improve the yield and the welding stability of battery.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. This need not be, nor should it be exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.
Claims (10)
1. A negative pressure formation suction nozzle device is characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
the sliding rod unit comprises a sliding rod, a first through hole is formed in the sliding rod, the first through hole is formed in the length direction of the sliding rod, a suction nozzle is arranged at one end of the first through hole, a connecting portion is arranged at the other end of the first through hole, a first limiting block is arranged on the sliding rod and close to the suction nozzle, and a second limiting block is arranged on the sliding rod and close to the connecting portion;
the sleeve unit comprises a sliding barrel, the sliding barrel is sleeved on the sliding rod, a spring is arranged between the sliding barrel and the first limiting block, and the sliding barrel moves between the first limiting block and the second limiting block.
2. The negative pressure forming suction nozzle device according to claim 1, wherein: the sleeve unit further comprises a locking block, wherein the locking block is arranged on the sliding rod and is positioned between the second limiting block and the sliding barrel.
3. The negative pressure forming suction nozzle device according to claim 2, wherein: the middle part of the locking block is provided with a second through hole, and the locking block is sleeved on the sliding rod through the second through hole.
4. The negative pressure forming suction nozzle device according to claim 3, wherein: the locking block is further provided with a first mounting hole and a second mounting hole, and the first mounting hole and the second mounting hole are respectively located on two sides of the second through hole.
5. The negative pressure forming suction nozzle device according to claim 1, wherein: the suction nozzle is a circular truncated cone, and the radial distance of the suction nozzle is reduced along the liquid injection direction.
6. The negative pressure forming suction nozzle device according to claim 1, wherein: the connecting portion comprises a connector and a fixing piece, the connector is connected with the sliding rod, and the radial distance of the connecting portion of the connector and the sliding rod is larger than the diameter of the sliding rod.
7. The negative pressure forming suction nozzle device according to claim 6, wherein: the mounting includes the nut, the nut is installed on the slide bar, the part that connects is located in the nut.
8. The utility model provides a negative pressure ization becomes suction nozzle mechanism which characterized in that: the negative-pressure formation suction nozzle device comprises a support and a plurality of negative-pressure formation suction nozzle devices according to any one of claims 1 to 7, wherein the plurality of negative-pressure formation suction nozzle devices are mounted on the support.
9. The negative pressure formation suction nozzle mechanism according to claim 8, wherein: the support is provided with a plurality of third through holes, the negative pressure formation suction nozzle device penetrates through the third through holes, and a locking block in the negative pressure formation suction nozzle device is installed on the support.
10. A negative pressure formation device is characterized in that: the negative pressure formation suction nozzle mechanism comprises a battery assembly and the negative pressure formation suction nozzle mechanism as claimed in any one of claims 8 to 9, wherein a liquid injection rubber plug is arranged at a liquid injection port of the battery assembly, and a suction nozzle in the negative pressure formation suction nozzle mechanism is communicated with the liquid injection port through the liquid injection rubber plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223165346.6U CN218677261U (en) | 2022-11-28 | 2022-11-28 | Negative pressure formation suction nozzle device, mechanism and negative pressure formation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223165346.6U CN218677261U (en) | 2022-11-28 | 2022-11-28 | Negative pressure formation suction nozzle device, mechanism and negative pressure formation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218677261U true CN218677261U (en) | 2023-03-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223165346.6U Active CN218677261U (en) | 2022-11-28 | 2022-11-28 | Negative pressure formation suction nozzle device, mechanism and negative pressure formation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218677261U (en) |
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- 2022-11-28 CN CN202223165346.6U patent/CN218677261U/en active Active
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