CN210474600U - Vacuum screening device for graphite powder serving as negative electrode material of lithium battery - Google Patents
Vacuum screening device for graphite powder serving as negative electrode material of lithium battery Download PDFInfo
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- CN210474600U CN210474600U CN201921000995.6U CN201921000995U CN210474600U CN 210474600 U CN210474600 U CN 210474600U CN 201921000995 U CN201921000995 U CN 201921000995U CN 210474600 U CN210474600 U CN 210474600U
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Abstract
The utility model relates to the technical field of production machinery, and a lithium cell negative pole material vacuum sieve material device for graphite powder is disclosed, including first screen frame, the side fixedly connected with spring of first screen frame, the lower extreme fixedly connected with spring two of first screen frame, the side fixedly connected with second screen frame of spring one, the upper end fixedly connected with pan feeding mouth device of first screen frame, the lower extreme fixedly connected with spring three of second screen frame, the flourishing body device of lower extreme fixedly connected with of spring three, the upper end fixedly connected with push rod of second screen frame, the upper end fixedly connected with cylinder of push rod. This vacuum sieve material device for lithium cell negative electrode material graphite powder is through setting up cylinder and push rod for the push rod drives the screen frame and reciprocates, makes the inside shake that forms of screen frame, lets graphite powder can sieve, through set up the spring around the screen frame, makes the spring drive screen frame shake with higher speed, makes the speed of sieving of graphite powder accelerate.
Description
Technical Field
The invention relates to the technical field of graphite powder screening, in particular to a vacuum screening device for lithium battery cathode material graphite powder.
Background
The negative electrode material of the lithium battery is a section with lower potential in the battery, the oxidation function in the primary battery is the negative electrode, and the negative electrode of the lithium battery is made of active material carbon material or non-carbon material, and is uniformly coated on the two sides of the copper foil through a binding agent and an additive.
The existing lithium battery cathode material is made of a carbon material, graphite is taken as a common carbon material and is often used in the lithium battery, the graphite needs to be pulverized into powder, and the powder is sieved by a sieving device to obtain uniform and fine graphite powder, but the sieving device is not high in sieving efficiency and is not uniform in sieving.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a vacuum screening device for negative electrode material graphite powder of a lithium battery, which solves the problems in the prior art.
The invention provides the following technical scheme: lithium cell negative pole material vacuum sieve material device for graphite powder, including first screen frame, the side fixedly connected with spring of first screen frame, the lower extreme fixedly connected with spring two of first screen frame, the side fixedly connected with second screen frame of spring one, the upper end fixedly connected with pan feeding mouth device of first screen frame, the lower extreme fixedly connected with spring three of second screen frame, the flourishing body device of the lower extreme fixedly connected with of spring three, the upper end fixedly connected with push rod of second screen frame, the upper end fixedly connected with cylinder of push rod, the side fixedly connected with of flourishing body device connects support piece, connect support piece's side fixedly connected with shell body, the lower extreme fixedly connected with base of shell body.
Preferably, the diameter of the screen holes on the first screen body is larger than that of the screen holes on the second screen body.
Preferably, the feeding port device comprises a first feeding port connecting piece, a second feeding port connecting piece and a third feeding port connecting piece, the diameter of the first feeding port connecting piece is smaller than that of the third feeding port connecting piece, and the second feeding port connecting piece is of a circular truncated cone-shaped structure.
Preferably, the material containing device comprises a material containing body and a material containing opening, and the inner diameter of the material containing opening is larger than the diameter of the material inlet connecting piece III.
Preferably, the outer shell comprises an upper inlet and a lower inlet, and the inner diameter of the upper inlet is smaller than that of the third connecting piece of the lower inlet.
Preferably, an upper opening plug is arranged on the upper inlet, and a lower opening plug is arranged on the lower opening.
Preferably, a vacuum pumping port is arranged at the side end of the outer shell, and the horizontal position of the vacuum pumping port is between the upper end of the second screen body and the upper end of the outer shell.
The invention has the following beneficial effects:
1. this vacuum sieve material device for lithium cell negative electrode material graphite powder is through setting up cylinder and push rod for the push rod drives the screen frame and reciprocates, makes the inside shake that forms of screen frame, lets graphite powder can sieve, through set up the spring around the screen frame, makes the spring drive screen frame shake with higher speed, makes the speed of sieving of graphite powder accelerate.
2. This lithium cell negative pole material vacuum sieve production facility for powder graphite is through setting up the screen frame that the sieve mesh size is different for the graphite powder can be more exquisite at the in-process that sieves, through setting up the pan feeding mouth device of the round platform shape of falling, makes the graphite powder after entering into the screen frame, can not spill from the pan feeding mouth because of the shake.
Drawings
FIG. 1 is a schematic cross-sectional view of the present invention;
FIG. 2 is a schematic view of a structure of a material inlet device according to the present invention;
FIG. 3 is a schematic structural diagram of the container device of the present invention.
In the figure: 1. a first screen body; 2. a first spring; 3. a second spring; 4. a second screen body; 5. a feed inlet device; 501. a feeding port connecting piece I; 502. a feeding port connecting piece II; 503. a feeding port connecting piece III; 6. a third spring; 7. a body holding device; 701. a material containing body; 702. a material containing port; 8. a push rod; 9. a cylinder; 10. connecting a support member; 11. an outer housing; 1101. an upper inlet; 1102. a feeding port; 1103. an upper opening plug; 1104. a lower port plug; 1105. a vacuum pumping port; 12. a base.
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, the vacuum sieving device for graphite powder serving as a negative electrode material of a lithium battery comprises a first sieve body 1, a first spring 2 fixedly connected to a side end of the first sieve body 1, a second spring 3 fixedly connected to a lower end of the first sieve body 1, a second sieve body 4 fixedly connected to a side end of the first spring 2, a feeding port device 5 fixedly connected to an upper end of the first sieve body 1, a third spring 6 fixedly connected to a lower end of the second sieve body 4, a containing device 7 fixedly connected to a lower end of the third spring 6, a push rod 8 fixedly connected to an upper end of the second sieve body 4, a cylinder 9 fixedly connected to an upper end of the push rod 8, a connecting support member 10 fixedly connected to a side end of the containing device 7, an outer shell 11 fixedly connected to a side end of the connecting support member 10, and a base 12 fixedly connected.
Wherein, the diameter of the sieve holes on the first sieve body 1 is larger than that of the sieve holes on the second sieve body 4.
The feeding port device 5 comprises a first feeding port connecting piece 501, a second feeding port connecting piece 502 and a third feeding port connecting piece 503, the diameter of the first feeding port connecting piece 501 is smaller than that of the third feeding port connecting piece 503, and the second feeding port connecting piece 502 is of a circular truncated cone structure.
The containing device 7 comprises a containing body 701 and a containing opening 702, and the inner diameter of the containing opening 702 is larger than the diameter of the third feeding opening connecting piece 503.
The outer shell 11 includes an upper inlet 1101 and a lower inlet 1102, and the inner diameter of the upper inlet 1101 is smaller than the inner diameter of the third feeding inlet connector 503.
An upper inlet 1101 is provided with an upper inlet plug 1103, and a lower inlet 1102 is provided with a lower inlet plug 1104.
Wherein, the side of outer casing 11 is provided with vacuum pumping hole 1105, and the horizontal position of vacuum pumping hole 1105 is between the upper end of second screen frame 4 and the upper end of outer casing 11.
During operation, first, the upper opening plug 1103 is taken out from the upper inlet 1101, graphite powder enters the first sieve body 1 from the upper inlet 1101 through the feeding opening connecting piece three 503, the feeding opening connecting piece two 502 and the feeding opening connecting piece one 501, then the vacuum pumping opening 1105 is connected with the vacuum pumping pump, so that the vacuum pumping pump can evacuate air inside the outer shell 11, then the air cylinder 9 is started, the air cylinder 9 drives the push rod 8 to push the second sieve body 4 to move up and down, the spring one 2, the spring two 3 and the spring three 6 can vibrate in the moving process, the graphite powder leaks into the second sieve body 4 from the first sieve body 1, and then is sieved into the containing device 7 from the second sieve body 4, and finally the lower opening plug 1104 is opened, and the sieved powder is poured out from the lower opening 1102.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. Lithium cell negative pole material graphite vacuum sieve material device for powder, including first screen frame (1), its characterized in that: the side end of the first screen body (1) is fixedly connected with a first spring (2), the lower end of the first screen body (1) is fixedly connected with a second spring (3), the side end of the first spring (2) is fixedly connected with a second screen body (4), the upper end of the first screen body (1) is fixedly connected with a feeding port device (5), the lower end of the second screen body (4) is fixedly connected with a spring III (6), the lower end of the spring III (6) is fixedly connected with a body holding device (7), the upper end of the second screen body (4) is fixedly connected with a push rod (8), the upper end of the push rod (8) is fixedly connected with a cylinder (9), the side end of the containing device (7) is fixedly connected with a connecting support piece (10), the side end of the connecting support piece (10) is fixedly connected with an outer shell (11), and the lower end of the outer shell (11) is fixedly connected with a base (12).
2. The vacuum screening device for the negative electrode material graphite powder of the lithium battery as claimed in claim 1, wherein: the diameter of the sieve holes on the first sieve body (1) is larger than that of the sieve holes on the second sieve body (4).
3. The vacuum screening device for the negative electrode material graphite powder of the lithium battery as claimed in claim 1, wherein: the feeding port device (5) comprises a first feeding port connecting piece (501), a second feeding port connecting piece (502) and a third feeding port connecting piece (503), the diameter of the first feeding port connecting piece (501) is smaller than that of the third feeding port connecting piece (503), and the second feeding port connecting piece (502) is of a circular truncated cone-shaped structure.
4. The vacuum screening device for the negative electrode material graphite powder of the lithium battery as claimed in claim 1, wherein: the material containing device (7) comprises a material containing body (701) and a material containing opening (702), and the inner diameter of the material containing opening (702) is larger than the diameter of the material inlet connecting piece III (503).
5. The vacuum screening device for the negative electrode material graphite powder of the lithium battery as claimed in claim 1, wherein: the outer shell (11) comprises an upper inlet (1101) and a lower inlet (1102), and the inner diameter of the upper inlet (1101) is smaller than that of the third feed inlet connecting piece (503).
6. The vacuum screening device for the negative electrode material graphite powder of the lithium battery as claimed in claim 5, wherein: an upper opening plug (1103) is arranged on the upper inlet (1101), and a lower opening plug (1104) is arranged on the lower opening (1102).
7. The vacuum screening device for the negative electrode material graphite powder of the lithium battery as claimed in claim 1, wherein: the side of shell body (11) is provided with vacuum extraction opening (1105), the horizontal position of vacuum extraction opening (1105) is between the upper end of second screen frame (4) and the upper end of shell body (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921000995.6U CN210474600U (en) | 2019-06-29 | 2019-06-29 | Vacuum screening device for graphite powder serving as negative electrode material of lithium battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921000995.6U CN210474600U (en) | 2019-06-29 | 2019-06-29 | Vacuum screening device for graphite powder serving as negative electrode material of lithium battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210474600U true CN210474600U (en) | 2020-05-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921000995.6U Active CN210474600U (en) | 2019-06-29 | 2019-06-29 | Vacuum screening device for graphite powder serving as negative electrode material of lithium battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210474600U (en) |
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2019
- 2019-06-29 CN CN201921000995.6U patent/CN210474600U/en active Active
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Address after: 518000 factory building a, 174-1 Xiangshan Avenue, Luotian community, Yanluo street, Bao'an District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Xinmao New Energy Technology Co.,Ltd. Address before: 523000 Room 101, building 3, no.845, gongchang Road, Huangjiang Town, Dongguan City, Guangdong Province Patentee before: DONGGUAN XINMAO NEW ENERGY TECHNOLOGY Co.,Ltd. |
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| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Guizhou Xinmao New Energy Technology Co.,Ltd. Assignor: Shenzhen Xinmao New Energy Technology Co.,Ltd. Contract record no.: X2022440000281 Denomination of utility model: Vacuum screening device for graphite powder as cathode material of lithium battery Granted publication date: 20200508 License type: Common License Record date: 20221128 |
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| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 518000 factory building a, 174-1 Xiangshan Avenue, Luotian community, Yanluo street, Bao'an District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Xinmao New Energy Technology Co.,Ltd. Address before: 518000 factory building a, 174-1 Xiangshan Avenue, Luotian community, Yanluo street, Bao'an District, Shenzhen City, Guangdong Province Patentee before: Shenzhen Xinmao New Energy Technology Co.,Ltd. |