CN111446088A - Processing technology for quickly impregnating capacitor element - Google Patents
Processing technology for quickly impregnating capacitor element Download PDFInfo
- Publication number
- CN111446088A CN111446088A CN202010260151.6A CN202010260151A CN111446088A CN 111446088 A CN111446088 A CN 111446088A CN 202010260151 A CN202010260151 A CN 202010260151A CN 111446088 A CN111446088 A CN 111446088A
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- Prior art keywords
- aluminum foil
- capacitor
- electrolytic paper
- rubber tube
- aging
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- 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.)
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- 239000003990 capacitor Substances 0.000 title claims abstract description 50
- 238000005516 engineering process Methods 0.000 title claims abstract description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 57
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 57
- 239000011888 foil Substances 0.000 claims abstract description 49
- 230000032683 aging Effects 0.000 claims abstract description 35
- 238000004804 winding Methods 0.000 claims abstract description 21
- 239000007788 liquid Substances 0.000 claims abstract description 20
- 238000007598 dipping method Methods 0.000 claims abstract description 19
- 238000001035 drying Methods 0.000 claims abstract description 13
- 239000007921 spray Substances 0.000 claims abstract description 11
- 235000015895 biscuits Nutrition 0.000 claims abstract description 9
- 238000004140 cleaning Methods 0.000 claims abstract description 9
- 238000005520 cutting process Methods 0.000 claims abstract description 9
- 238000001514 detection method Methods 0.000 claims abstract description 9
- 238000007789 sealing Methods 0.000 claims abstract description 9
- 238000005507 spraying Methods 0.000 claims abstract description 8
- 239000002390 adhesive tape Substances 0.000 claims abstract description 5
- 239000000428 dust Substances 0.000 claims abstract description 5
- 238000010438 heat treatment Methods 0.000 claims abstract description 5
- 238000002347 injection Methods 0.000 claims abstract description 5
- 239000007924 injection Substances 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims description 23
- 238000005470 impregnation Methods 0.000 claims description 19
- 239000003792 electrolyte Substances 0.000 claims description 16
- 230000002950 deficient Effects 0.000 claims description 4
- 238000005096 rolling process Methods 0.000 claims description 4
- 238000002791 soaking Methods 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 239000011255 nonaqueous electrolyte Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G13/00—Apparatus specially adapted for manufacturing capacitors; Processes specially adapted for manufacturing capacitors not provided for in groups H01G4/00 - H01G11/00
- H01G13/04—Drying; Impregnating
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G13/00—Apparatus specially adapted for manufacturing capacitors; Processes specially adapted for manufacturing capacitors not provided for in groups H01G4/00 - H01G11/00
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G13/00—Apparatus specially adapted for manufacturing capacitors; Processes specially adapted for manufacturing capacitors not provided for in groups H01G4/00 - H01G11/00
- H01G13/003—Apparatus or processes for encapsulating capacitors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G13/00—Apparatus specially adapted for manufacturing capacitors; Processes specially adapted for manufacturing capacitors not provided for in groups H01G4/00 - H01G11/00
- H01G13/02—Machines for winding capacitors
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Abstract
The invention discloses a processing technology of a quick dipping capacitor element, which comprises the following steps of designing size, cutting, removing dust by using an aluminum foil, cold riveting a lead-out wire and coiling and spraying liquid for the element: winding electrolytic paper on a winding machine, then respectively clamping an anode aluminum foil and a cathode aluminum foil, starting a liquid spraying device to continuously spray liquid for dipping the electrolytic paper, winding the electrolytic paper, the anode aluminum foil and the cathode aluminum foil to a required length, and sticking the electrolytic paper with a stop adhesive tape to form a biscuit; element short circuit detection, on-line liquid injection, sealing assembly, cleaning and drying, and rubber tube sleeving: sleeving the sealed capacitor into a rubber tube through an automatic rubber tube sleeving machine, and heating to shrink the rubber tube; aging: aging the capacitor with the complete set of rubber tubes by an automatic aging and sorting machine; the invention can effectively improve the dipping speed of the element, save labor and time and improve the production efficiency of the element and the capacitor to a certain extent.
Description
Technical Field
The invention relates to the field of capacitor manufacturing, in particular to a processing technology for quickly dipping a capacitor element.
Background
The capacitor is a novel energy storage element similar to a battery, the power density of the capacitor is tens of times higher than that of the battery, and the capacitor has the advantages of high charging and discharging speed, no pollution to the environment, long cycle life and the like, and is one of the most promising novel green energy sources nowadays. In order to show various electrical characteristics of the capacitor, the capacitor element needs to be impregnated in an impregnation barrel packaged with electrolyte under the environment conditions of pressurization and vacuum pumping, but because the inside of the capacitor element is combined very tightly, the impregnation time is often more than 10 hours, so that the phenomenon of explosion caused by the fact that the electrical characteristics of the capacitor in use or test are reduced due to incomplete impregnation of the capacitor element is avoided, the production rate of a capacitor product is seriously influenced, the production efficiency is reduced, and a stable and efficient automatic production line cannot be generated.
Disclosure of Invention
The present invention is directed to a process for rapidly dipping capacitor elements, so as to solve the problems mentioned in the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
a processing technology for fast dipping capacitor elements comprises the following steps:
step 1: designing the size; designing the size of an electrolytic capacitor to be produced;
step 2: cutting; respectively rolling and cutting the anode aluminum foil, the cathode aluminum foil and the electrolytic paper according to the designed size;
and step 3: dedusting by using an aluminum foil; removing burrs and dust from the anode aluminum foil and the cathode aluminum foil;
and 4, step 4: cold riveting an outgoing line; the anode aluminum foil and the cathode aluminum foil are respectively connected with the outgoing line by cold riveting and welding;
and 5: coiling the spray liquid; winding electrolytic paper on a winding machine, then respectively clamping an anode aluminum foil and a cathode aluminum foil, starting a liquid spraying device to continuously spray liquid for dipping the electrolytic paper, winding the electrolytic paper, the anode aluminum foil and the cathode aluminum foil to a required length, and sticking the electrolytic paper with a stop adhesive tape to form a biscuit;
step 6: detecting element short circuit; carrying out short-circuit detection on the wound element by a detection device to remove defective products;
and 7: online liquid injection; directly transferring the element finished by the front-stage equipment to an assembling machine, and injecting a certain amount of electrolyte at the bottom and the upper part of the element;
and 8: sealing and assembling; riveting the cold riveting leading-out wire and the upper cover together by an automatic assembling machine, folding the angle, then placing the aluminum shell, and sealing the opening part of the assembled aluminum shell;
and step 9: cleaning and drying; soaking and cleaning the assembled and sealed capacitor, and drying the capacitor through a drying process;
step 10: sleeving a rubber tube; sleeving the sealed capacitor into a rubber tube through an automatic rubber tube sleeving machine, and heating to shrink the rubber tube;
step 11: aging; and aging the capacitor with the complete set of rubber tube by an automatic aging and sorting machine.
Preferably, the number of the layers of the electrolytic paper in the step 5 is 2 or 4.
Preferably, the biscuit formed in step 5 is put into an impregnation barrel which is pressurized and vacuumized to impregnate for 5 to 10 minutes.
Preferably, the vacuum degree in the dipping barrel is 3-4 Mpa.
Preferably, the electrolyte in step 7 is a non-aqueous electrolyte.
Preferably, the aging process in step 11 includes normal temperature aging and high temperature aging, and the normal temperature aging time is 3-4 hours, and the high temperature aging time is 3-6 hours.
Compared with the prior art, the invention has the beneficial effects that: the invention creatively sprays the electrolyte on the wound electrolytic paper continuously in the element winding process, organically combines the winding process and the impregnation process, greatly shortens the impregnation time of the traditional impregnation process up to more than 10 hours, can shorten the impregnation time of the electrolyte to less than 5 minutes by using the process method of the invention, and ensures that the electrolytic paper from inside to outside is fully impregnated by spraying the electrolyte on the electrolytic paper during the winding process, thereby improving the impregnation quality of the electrolytic paper and ensuring the overall product quality of the electrolytic capacitor.
Drawings
FIG. 1 shows a process for manufacturing a capacitor according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all 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.
Embodiment 1, a process for rapid impregnation of capacitor elements, comprising the steps of:
step 1: designing the size; designing the size of an electrolytic capacitor to be produced;
step 2: cutting; respectively rolling and cutting the anode aluminum foil, the cathode aluminum foil and the electrolytic paper according to the designed size;
and step 3: dedusting by using an aluminum foil; removing burrs and dust from the anode aluminum foil and the cathode aluminum foil;
and 4, step 4: cold riveting an outgoing line; the anode aluminum foil and the cathode aluminum foil are respectively connected with the outgoing line by cold riveting and welding;
and 5: coiling the spray liquid; winding electrolytic paper on a winding machine, then respectively clamping an anode aluminum foil and a cathode aluminum foil, starting a liquid spraying device to continuously spray liquid for dipping the electrolytic paper, winding the electrolytic paper, the anode aluminum foil and the cathode aluminum foil to a required length, and sticking the electrolytic paper with a stop adhesive tape to form a biscuit;
step 6: detecting element short circuit; carrying out short-circuit detection on the wound element by a detection device to remove defective products;
and 7: online liquid injection; directly transferring the element finished by the front-stage equipment to an assembling machine, and injecting a certain amount of electrolyte at the bottom and the upper part of the element;
and 8: sealing and assembling; riveting the cold riveting leading-out wire and the upper cover together by an automatic assembling machine, folding the angle, then placing the aluminum shell, and sealing the opening part of the assembled aluminum shell;
and step 9: cleaning and drying; soaking and cleaning the assembled and sealed capacitor, and drying the capacitor through a drying process;
step 10: sleeving a rubber tube; sleeving the sealed capacitor into a rubber tube through an automatic rubber tube sleeving machine, and heating to shrink the rubber tube;
step 11: aging; and aging the capacitor with the complete set of rubber tube by an automatic aging and sorting machine.
Further, the number of the layers of the electrolytic paper in the step 5 is 2.
Further, the biscuit formed in step 5 is put into a dipping barrel which is pressurized and vacuumized to be soaked for 5 minutes.
Further, the vacuum degree in the dipping barrel is 3 Mpa.
Further, the electrolyte in step 7 is a non-aqueous electrolyte.
Further, the aging process in step 11 includes normal temperature aging and high temperature aging, and the normal temperature aging time is 3 hours, and the high temperature aging time is 3 hours.
Embodiment 2, a process for rapidly impregnating capacitor elements, comprising the steps of:
step 1: designing the size; designing the size of an electrolytic capacitor to be produced;
step 2: cutting; respectively rolling and cutting the anode aluminum foil, the cathode aluminum foil and the electrolytic paper according to the designed size;
and step 3: dedusting by using an aluminum foil; removing burrs and dust from the anode aluminum foil and the cathode aluminum foil;
and 4, step 4: cold riveting an outgoing line; the anode aluminum foil and the cathode aluminum foil are respectively connected with the outgoing line by cold riveting and welding;
and 5: coiling the spray liquid; winding electrolytic paper on a winding machine, then respectively clamping an anode aluminum foil and a cathode aluminum foil, starting a liquid spraying device to continuously spray liquid for dipping the electrolytic paper, winding the electrolytic paper, the anode aluminum foil and the cathode aluminum foil to a required length, and sticking the electrolytic paper with a stop adhesive tape to form a biscuit;
step 6: detecting element short circuit; carrying out short-circuit detection on the wound element by a detection device to remove defective products;
and 7: online liquid injection; directly transferring the element finished by the front-stage equipment to an assembling machine, and injecting a certain amount of electrolyte at the bottom and the upper part of the element;
and 8: sealing and assembling; riveting the cold riveting leading-out wire and the upper cover together by an automatic assembling machine, folding the angle, then placing the aluminum shell, and sealing the opening part of the assembled aluminum shell;
and step 9: cleaning and drying; soaking and cleaning the assembled and sealed capacitor, and drying the capacitor through a drying process;
step 10: sleeving a rubber tube; sleeving the sealed capacitor into a rubber tube through an automatic rubber tube sleeving machine, and heating to shrink the rubber tube;
step 11: aging; and aging the capacitor with the complete set of rubber tube by an automatic aging and sorting machine.
Further, the number of the layers of the electrolytic paper in the step 5 is 4.
Further, the biscuit formed in step 5 is put into a dipping barrel which is pressurized and vacuumized to be soaked for 10 minutes.
Further, the vacuum degree in the dipping barrel is 4 Mpa.
Further, the electrolyte in step 7 is a non-aqueous electrolyte.
Further, the aging process in step 11 includes normal temperature aging and high temperature aging, and the normal temperature aging time is 4 hours, and the high temperature aging time is 6 hours.
The invention creatively sprays the electrolyte on the wound electrolytic paper continuously in the element winding process, organically combines the winding process and the impregnation process, greatly shortens the impregnation time of the traditional impregnation process up to more than 10 hours, can shorten the impregnation time of the electrolyte to less than 5 minutes by using the process method of the invention, and ensures that the electrolytic paper from inside to outside is fully impregnated by spraying the electrolyte on the electrolytic paper during the winding process, thereby improving the impregnation quality of the electrolytic paper and ensuring the overall product quality of the electrolytic capacitor.
Although the present description is described in terms of embodiments, not every embodiment includes only a single embodiment, and such description is for clarity only, and those skilled in the art should be able to integrate the description as a whole, and the embodiments can be appropriately combined to form other embodiments as will be understood by those skilled in the art.
Therefore, the above description is only a preferred embodiment of the present application, and is not intended to limit the scope of the present application; all changes which come within the meaning and range of equivalency of the claims are to be embraced within their scope.
Claims (6)
1. A processing technology for quickly dipping a capacitor element is characterized by comprising the following steps:
step 1: designing the size; designing the size of an electrolytic capacitor to be produced;
step 2: cutting; respectively rolling and cutting the anode aluminum foil, the cathode aluminum foil and the electrolytic paper according to the designed size;
and step 3: dedusting by using an aluminum foil; removing burrs and dust from the anode aluminum foil and the cathode aluminum foil;
and 4, step 4: cold riveting an outgoing line; the anode aluminum foil and the cathode aluminum foil are respectively connected with the outgoing line by cold riveting and welding;
and 5: coiling the spray liquid; winding electrolytic paper on a winding machine, then respectively clamping an anode aluminum foil and a cathode aluminum foil, starting a liquid spraying device to continuously spray liquid for dipping the electrolytic paper, winding the electrolytic paper, the anode aluminum foil and the cathode aluminum foil to a required length, and sticking the electrolytic paper with a stop adhesive tape to form a biscuit;
step 6: detecting element short circuit; carrying out short-circuit detection on the wound element by a detection device to remove defective products;
and 7: online liquid injection; directly transferring the element finished by the front-stage equipment to an assembling machine, and injecting a certain amount of electrolyte at the bottom and the upper part of the element;
and 8: sealing and assembling; riveting the cold riveting leading-out wire and the upper cover together by an automatic assembling machine, folding the angle, then placing the aluminum shell, and sealing the opening part of the assembled aluminum shell;
and step 9: cleaning and drying; soaking and cleaning the assembled and sealed capacitor, and drying the capacitor through a drying process;
step 10: sleeving a rubber tube; sleeving the sealed capacitor into a rubber tube through an automatic rubber tube sleeving machine, and heating to shrink the rubber tube;
step 11: aging; and aging the capacitor with the complete set of rubber tube by an automatic aging and sorting machine.
2. The process of claim 1, wherein the rapid impregnation capacitor element comprises: and in the step 5, the number of the layers of the electrolytic paper is 2 or 4.
3. The process of claim 1, wherein the rapid impregnation capacitor element comprises: and (5) putting the biscuit formed in the step 5 into a pressurized and vacuumized dipping barrel for dipping for 5-10 minutes.
4. The process of claim 3, wherein the step of forming the rapid dip capacitor element comprises: the vacuum degree in the dipping barrel is 3-4 Mpa.
5. The process of claim 1, wherein the rapid impregnation capacitor element comprises: and 7, the electrolyte is anhydrous electrolyte.
6. The process of claim 1, wherein the rapid impregnation capacitor element comprises: and 11, the aging process comprises normal temperature aging and high temperature aging, wherein the normal temperature aging time is 3-4 hours, and the high temperature aging time is 3-6 hours.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010260151.6A CN111446088A (en) | 2020-04-03 | 2020-04-03 | Processing technology for quickly impregnating capacitor element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010260151.6A CN111446088A (en) | 2020-04-03 | 2020-04-03 | Processing technology for quickly impregnating capacitor element |
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| Publication Number | Publication Date |
|---|---|
| CN111446088A true CN111446088A (en) | 2020-07-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010260151.6A Pending CN111446088A (en) | 2020-04-03 | 2020-04-03 | Processing technology for quickly impregnating capacitor element |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112927941A (en) * | 2021-01-23 | 2021-06-08 | 深圳市凯特电子有限公司 | Small-size high-voltage electrolytic capacitor and processing technology thereof |
| CN113053670A (en) * | 2021-03-31 | 2021-06-29 | 深圳市金联信科技有限公司 | Core pack and winding method thereof |
| CN113808860A (en) * | 2021-09-30 | 2021-12-17 | 邵阳学院 | Automatic capacitor processing line |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH065481A (en) * | 1992-06-20 | 1994-01-14 | Nippon Chemicon Corp | Manufacture of electrolytic capacitor |
| CN107799310A (en) * | 2016-08-31 | 2018-03-13 | 江苏泗阳欣宏电子科技有限公司 | A kind of electrolytic capacitor aging method |
| CN108538588A (en) * | 2018-04-09 | 2018-09-14 | 苏州松控电子科技有限公司 | A kind of processing method of aluminium electrolutic capacitor |
| CN208460578U (en) * | 2018-08-09 | 2019-02-01 | 东莞佑翔机械科技有限公司 | A kind of electrolytic paper Yu Pen electrolyte mechanism |
-
2020
- 2020-04-03 CN CN202010260151.6A patent/CN111446088A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH065481A (en) * | 1992-06-20 | 1994-01-14 | Nippon Chemicon Corp | Manufacture of electrolytic capacitor |
| CN107799310A (en) * | 2016-08-31 | 2018-03-13 | 江苏泗阳欣宏电子科技有限公司 | A kind of electrolytic capacitor aging method |
| CN108538588A (en) * | 2018-04-09 | 2018-09-14 | 苏州松控电子科技有限公司 | A kind of processing method of aluminium electrolutic capacitor |
| CN208460578U (en) * | 2018-08-09 | 2019-02-01 | 东莞佑翔机械科技有限公司 | A kind of electrolytic paper Yu Pen electrolyte mechanism |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112927941A (en) * | 2021-01-23 | 2021-06-08 | 深圳市凯特电子有限公司 | Small-size high-voltage electrolytic capacitor and processing technology thereof |
| CN113053670A (en) * | 2021-03-31 | 2021-06-29 | 深圳市金联信科技有限公司 | Core pack and winding method thereof |
| CN113808860A (en) * | 2021-09-30 | 2021-12-17 | 邵阳学院 | Automatic capacitor processing line |
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Application publication date: 20200724 |
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