CN112071665A - Metal spraying heat setting process for automobile electrically-driven capacitor core - Google Patents
Metal spraying heat setting process for automobile electrically-driven capacitor core Download PDFInfo
- Publication number
- CN112071665A CN112071665A CN202010870617.4A CN202010870617A CN112071665A CN 112071665 A CN112071665 A CN 112071665A CN 202010870617 A CN202010870617 A CN 202010870617A CN 112071665 A CN112071665 A CN 112071665A
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- Prior art keywords
- frame
- heat
- core
- flat core
- baffle
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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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- 238000005507 spraying Methods 0.000 title claims abstract description 52
- 239000002184 metal Substances 0.000 title claims abstract description 45
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 45
- 238000009998 heat setting Methods 0.000 title claims abstract description 41
- 238000000034 method Methods 0.000 title claims abstract description 31
- 239000003990 capacitor Substances 0.000 title claims abstract description 25
- 238000003825 pressing Methods 0.000 claims abstract description 33
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000010931 gold Substances 0.000 claims abstract description 13
- 229910052737 gold Inorganic materials 0.000 claims abstract description 13
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 238000007731 hot pressing Methods 0.000 abstract description 9
- 238000007493 shaping process Methods 0.000 abstract description 3
- 239000007921 spray Substances 0.000 abstract description 3
- 239000010408 film Substances 0.000 description 5
- 238000004804 winding Methods 0.000 description 5
- 239000004743 Polypropylene Substances 0.000 description 3
- 239000004793 Polystyrene Substances 0.000 description 3
- 238000005192 partition Methods 0.000 description 3
- 239000002985 plastic film Substances 0.000 description 3
- 229920006255 plastic film Polymers 0.000 description 3
- -1 polyethylene Polymers 0.000 description 3
- 239000011888 foil Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229920000515 polycarbonate Polymers 0.000 description 2
- 239000004417 polycarbonate Substances 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 229920002223 polystyrene Polymers 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- 229920002799 BoPET Polymers 0.000 description 1
- 239000005041 Mylar™ Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 125000004494 ethyl ester group Chemical group 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002923 metal particle Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 230000002087 whitening effect Effects 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
- H01G13/006—Apparatus or processes for applying terminals
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/002—Details
- H01G4/228—Terminals
- H01G4/232—Terminals electrically connecting two or more layers of a stacked or rolled capacitor
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/33—Thin- or thick-film capacitors
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Automatic Assembly (AREA)
Abstract
The invention discloses a metal spraying heat setting process for an automobile electrically-driven capacitor core, which comprises the following steps of: pressing the flat core on a heat-setting metal spraying frame clamp; then spraying gold; then the flat core and the special metal spraying frame clamp for heat setting are placed in an oven for heat setting; and taking out the flat core after completion. The process directly sprays gold without hot pressing: the end face of the flat core is prevented from being whitened, so that the contact resistance between the end face of the flat core and a metal spraying layer is smaller, and larger overload current can be borne; impact of pressure and uneven temperature conduction generated by hot pressing on the core film is avoided, and the voltage resistance of the flat core is greatly improved. The process saves investment on equipment such as a hot press, a wrapping machine and the like because the flat core is directly wound, clamped, pressed, sprayed with gold and thermally shaped, reduces the deformation of the flat core due to short time in the process, ensures the forming and thermal shaping of the flat core and improves the electrical property of the core.
Description
Technical Field
The invention relates to the technical field of metal spraying of a flat core of a capacitor, in particular to a metal spraying heat setting process of an automobile electric-driven capacitor core.
Background
The film capacitor is a capacitor having a structure in which a metal foil is used as an electrode, and the metal foil is laminated with a plastic film such as polyethylene, polypropylene, polystyrene, or polycarbonate from both ends thereof, and then wound into a cylindrical shape. The plastic film is also called a poly (ethyl ester) capacitor (also called a Mylar) capacitor, a polypropylene capacitor (also called a PP capacitor), a polystyrene capacitor (also called a PS capacitor) and a polycarbonate capacitor, respectively, depending on the type of the plastic film.
The metal spraying process adopts heat sources such as electric arc or flame and the like to melt various solder materials to be sprayed and atomize the solder materials under the action of high-pressure air. The crushed metal particles are sprayed in the gap of the thin film layer of the capacitor core group surface with extremely high sensitivity to heat energy at high speed, so that the end surface of the core group forms an equipotential metal electrode surface from the inner winding layer to the outer winding layer, and a bridging platform is provided for electrode extraction. Metal spraying is one of the key processes in the production of metallized capacitors.
The existing gold spraying process of the capacitor generally comprises winding prepressing, hot pressing, wrapping, gold spraying, unpacking and hot setting; on one hand, the end face of the flat core is easy to whiten, the contact resistance between the flat core and the metal spraying layer is large, and the overload current bearing capacity is poor; on the other hand, the impact on the core film due to the pressure generated by hot pressing and uneven temperature conduction greatly reduces the withstand voltage of the flat core. Based on the technical problem, the invention aims to solve how to design a metal spraying heat setting process for the core of the automobile electrically-driven capacitor.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a metal spraying heat setting process for an automobile electrically-driven capacitor core.
The invention solves the technical problems through the following technical means:
a metal spraying heat setting process for an automobile electrically-driven capacitor core comprises the following steps: pressing the flat core on a heat-setting metal spraying frame clamp; then spraying gold; then the flat core and the special metal spraying frame clamp for heat setting are placed in an oven for heat setting; and taking out the flat core after completion.
Preferably, the heat-setting metal spraying frame clamp for the metal spraying heat-setting process of the automobile electrically-driven capacitor core comprises a rack, a baffle, a frame, a pressing assembly and a cylinder; the frame is of a frame structure; the frame is arranged in the frame, and the lower end of the frame abuts against the bottom end of the inside of the frame; the baffle is arranged at the rear end of the rack; the rear end of the frame abuts against the baffle;
a pressing plate is arranged in the frame; the pressing plate is horizontally arranged and vertically arranged in a sliding manner; a cavity for placing the flat core is arranged between the pressure plate and the bottom end of the frame; a plurality of layers of flat cores are placed in the cavity;
a guide post is vertically arranged above the frame; the guide post moves up and down along the frame; the pressing assembly is fixedly arranged at the lower end of the guide pillar; the air cylinder is vertically and fixedly arranged at the upper end of the rack; the frame is provided with a through hole for the air cylinder to pass through; the lower end of the cylinder passes through the through hole and then drives the pressing assembly to move downwards; a return spring is sleeved on the guide post; the return spring is positioned between the upper end of the guide post and the upper end of the frame.
Preferably, the compression assembly of the heat-setting metal spraying frame clamp comprises a box body with an opening at the lower end, a compression pipe and a buffer spring; the upper end of the box body is connected with the lower end of the guide pillar; the pressing pipe is horizontally arranged in the box body, and the lower end of the pressing pipe extends out of the box body; the buffer spring is vertically arranged, the upper end of the buffer spring is fixed on the box body, and the lower end of the buffer spring is fixed on the pressure pipe.
Preferably, the upper end of the frame of the heat-setting metal spraying frame clamp is vertically provided with a compression bolt; the lower end of the compression bolt penetrates through the frame and abuts against the box body.
Preferably, the guide seats are arranged at the two sides inside the rack of the heat-setting metal spraying frame clamp; the baffle is provided with a guide post vertical to the baffle; the guide post penetrates through the guide seat and can slide on the guide seat; the rear end of the rack is provided with a screw rack; an adjusting screw is arranged on the screw frame; the adjusting screw is perpendicular to the baffle; one end of the adjusting screw rod, which is close to the baffle plate, is abutted against the baffle plate.
Preferably, the heat-setting metal spraying frame fixture is provided with sliding grooves at two sides inside the frame; the two ends of the pressing plate are respectively arranged in the sliding grooves.
Preferably, the heat-setting metal spraying frame fixture is provided with a partition plate between the upper and lower flat cores.
Preferably, the baffle of the heat-setting metal spraying frame clamp is provided with a magnetic strip; the magnetic strips are horizontally arranged.
The invention has the advantages that: the process directly sprays gold without hot pressing: the end face of the flat core is prevented from being whitened, so that the contact resistance between the end face of the flat core and a metal spraying layer is smaller, and larger overload current can be borne; impact of pressure and uneven temperature conduction generated by hot pressing on the core film is avoided, and the voltage resistance of the flat core is greatly improved.
The process saves investment on equipment such as a hot press, a wrapping machine and the like because the flat core is directly wound, clamped, pressed, sprayed with gold and thermally shaped, reduces the deformation of the flat core due to short time in the process, ensures the forming and thermal shaping of the flat core and improves the electrical property of the core.
Drawings
FIG. 1 is a first structural schematic view of a heat-setting metal-spraying frame fixture according to the present invention.
FIG. 2 is a second schematic structural view of the heat-setting metal-spraying frame fixture of the present invention.
Fig. 3 is a schematic structural view of the compressing assembly of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. 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.
A metal spraying heat setting process for an automobile electrically-driven capacitor core comprises the following steps: pressing the flat core on a heat-setting metal spraying frame clamp; then spraying gold; then the flat core and the special metal spraying frame clamp for heat setting are placed in an oven for heat setting; and taking out the flat core after completion.
The process directly sprays gold without hot pressing: the end face of the flat core is prevented from being whitened, so that the contact resistance between the end face of the flat core and a metal spraying layer is smaller, and larger overload current can be borne; impact of pressure and uneven temperature conduction generated by hot pressing on the core film is avoided, and the voltage resistance of the flat core is greatly improved.
The process saves investment on equipment such as a hot press, a wrapping machine and the like because the flat core is directly wound, clamped, pressed, sprayed with gold and thermally shaped, reduces the deformation of the flat core due to short time in the process, ensures the forming and thermal shaping of the flat core and improves the electrical property of the core.
A heat-setting metal spraying frame clamp for a metal spraying heat-setting process of an automobile electrically-driven capacitor core comprises a frame 1, a baffle 2, a frame 3, a pressing assembly 4 and a cylinder 5; the frame 1 is of a frame structure; the frame 3 is arranged inside the frame 1, and the lower end of the frame abuts against the bottom end position inside the frame 1; the baffle 2 is arranged at the rear end of the frame 1; the rear end of the frame 3 is abutted against the baffle 2;
a pressure plate 31 is arranged in the frame 3; the pressing plate 31 is horizontally arranged and vertically arranged in a sliding manner; a cavity 32 for placing the flat core 6 is arranged between the pressure plate 31 and the bottom end of the frame 3; a plurality of layers of flat cores 6 are placed in the cavity 32;
a guide post 33 is vertically arranged above the frame 3; the guide post 33 moves up and down along the frame 3; the pressing component 4 is fixedly arranged at the lower end of the guide pillar 33; the air cylinder 5 is vertically and fixedly arranged at the upper end of the frame 1; the frame 3 is provided with a through hole 34 for the cylinder 5 to pass through; the lower end of the cylinder 5 passes through the through hole 34 and then drives the compressing assembly 4 to move downwards; a return spring 331 is sleeved on the guide post 33; the return spring 331 is located between the upper end of the guide post 33 and the upper end of the frame 3;
when the flat core 6 is sprayed with gold, the flat core 6 is stacked between the pressure plate 31 and the bottom end of the frame 3; then starting the air cylinder 5, enabling the lower end of the air cylinder 5 to move downwards, enabling the lower end of the air cylinder 5 to pass through the through hole 34 and abut against the pressing component 4, then driving the pressing component 4 to move downwards, stopping moving after the pressing component 4 contacts and presses the pressing plate 31, enabling the flat core 6 to be pressed tightly, and then carrying out metal spraying operation; after the metal spraying is finished, the air cylinder rises, and the reset spring drives the pressing assembly 4 to reset; taking out the flat core;
the design of the heat-setting metal spraying frame clamp ensures that the metal spraying process of the flat core is optimized into winding prepressing + heat-setting special metal spraying frame upper clamping + metal spraying + heat-setting + dismantling clamping by 'winding prepressing + heat-setting + metal spraying + unpacking'; the end face of the core is prevented from whitening, so that the contact resistance between the end face of the core and the metal spraying layer is smaller, and larger overload current can be borne; the impact of pressure and uneven temperature conduction generated by hot pressing on the core film is avoided, and the withstand voltage of the core is greatly improved.
Preferably, the pressing assembly 4 comprises a box body 41 with an opening at the lower end, a pressing pipe 42 and a buffer spring 43; the upper end of the box body 41 is connected with the lower end of the guide post 33; the pressure pipe 42 is horizontally arranged in the box body 41, and the lower end of the pressure pipe extends out of the box body 41; the buffer spring 43 is vertically arranged, the upper end of the buffer spring is fixed on the box body 41, and the lower end of the buffer spring is fixed on the pressure pipe 42;
through the arrangement of the buffer spring 43, when the flat core 6 is subjected to heat setting and the flat core 6 is subjected to heat shrinkage, the pressure pipe 42 still keeps a certain pressure on the flat core 6, and the heat setting stability of the flat core 6 is improved.
Preferably, the upper end of the frame 3 is vertically provided with a compression bolt 35; the lower end of the pressing bolt 35 passes through the frame 3 and abuts against the box body 41;
after the cylinder 5 drives the compressing component 4 to compress the flat core 6, the compressing bolt 35 is screwed down, so that the lower end of the compressing bolt 35 is abutted against the box body 41 of the compressing component 4, and the fastening effect is achieved.
the baffle 2 can move close to or away from the frame 1 through the matching arrangement of the guide post 21 and the guide seat 11, the position of the baffle 2 is determined by screwing the position of the adjusting screw rod 121, and then the position of the frame 3 is adjusted, so that the through hole 34 of the frame 3 is positioned under the air cylinder 5, and the air cylinder 5 passes through the through hole; this arrangement allows frames 3 of other sizes to be replaced, facilitating adjustment of the position of the frame 3 to accommodate flat cores 6 of various sizes.
Preferably, sliding grooves 36 are formed in both sides of the inside of the frame 3; two ends of the pressing plate 31 are respectively arranged in the sliding grooves 36;
the up-and-down movement of the pressing plate 31 within the frame 3 is achieved by the provision of the slide groove 36.
Preferably, a partition plate 37 is arranged between the upper and lower layers of the flat cores 6; for spacing the flat cores 6.
Preferably, in order to position the flat core 6 in the middle of the partition 37; the baffle 2 is provided with a magnetic strip 22; the magnetic strip 22 is horizontally disposed.
It is noted that, in this document, relational terms such as first and second, and the like, if any, are 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. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (8)
1. A metal spraying heat setting process for an automobile electrically-driven capacitor core is characterized by comprising the following steps: pressing the flat core on a heat-setting metal spraying frame clamp; then spraying gold; then the flat core and the special metal spraying frame clamp for heat setting are placed in an oven for heat setting; and taking out the flat core after completion.
2. A heat-setting metal-spraying frame jig for the metal-spraying heat-setting process of the core of the automotive electrically-driven capacitor as set forth in claim 1, characterized in that: comprises a frame (1), a baffle (2), a frame (3), a pressing component (4) and a cylinder (5); the rack (1) is of a frame structure; the frame (3) is arranged in the rack (1), and the lower end of the frame abuts against the bottom end of the interior of the rack (1); the baffle (2) is arranged at the rear end of the rack (1); the rear end of the frame (3) is abutted against the baffle (2);
a pressure plate (31) is arranged in the frame (3); the pressing plate (31) is horizontally arranged and vertically arranged in a sliding manner; a cavity (32) for placing the flat core (6) is arranged between the pressure plate (31) and the bottom end of the frame (3); a plurality of layers of flat cores (6) are placed in the cavity (32);
a guide post (33) is vertically arranged above the frame (3); the guide post (33) moves up and down along the frame (3); the pressing component (4) is fixedly arranged at the lower end of the guide pillar (33); the air cylinder (5) is vertically and fixedly arranged at the upper end of the rack (1); the frame (3) is provided with a through hole (34) for the cylinder (5) to pass through; the lower end of the air cylinder (5) passes through the through hole (34) and then drives the pressing component (4) to move downwards; a return spring (331) is sleeved on the guide post (33); the return spring (331) is located between the upper end of the guide post (33) and the upper end of the frame (3).
3. The heat-set metal-sprayed frame fixture of claim 2, wherein: the pressing assembly (4) comprises a box body (41) with an opening at the lower end, a pressing pipe (42) and a buffer spring (43); the upper end of the box body (41) is connected with the lower end of the guide post (33); the pressure pipe (42) is horizontally arranged in the box body (41), and the lower end of the pressure pipe extends out of the box body (41); the buffer spring (43) is vertically arranged, the upper end of the buffer spring is fixed on the box body (41), and the lower end of the buffer spring is fixed on the pressure pipe (42).
4. The heat-set metal-sprayed frame fixture of claim 3, wherein: the upper end of the frame (3) is vertically provided with a compression bolt (35); the lower end of the pressing bolt (35) passes through the frame (3) and abuts against the box body (41).
5. The heat-set metal-sprayed frame fixture of claim 2, wherein: guide seats (11) are arranged at two sides of the interior of the rack (1); the baffle (2) is provided with a guide column (21) vertical to the baffle (2); the guide post (21) penetrates through the guide seat (11) and can slide on the guide seat (11); the rear end of the frame (1) is provided with a screw rack (12); an adjusting screw (121) is arranged on the screw frame (12); the adjusting screw rod (121) is perpendicular to the baffle (2); one end of the adjusting screw rod (121) close to the baffle (2) abuts against the baffle (2).
6. The heat-set metal-sprayed frame fixture of claim 2, wherein: sliding grooves (36) are formed in the two sides of the interior of the frame (3); two ends of the pressing plate (31) are respectively arranged in the sliding grooves (36).
7. The heat-set metal-sprayed frame fixture of claim 2, wherein: a clapboard (37) is arranged between the upper and lower layers of the flat core (6).
8. The heat-set metal-sprayed frame fixture of claim 2, wherein: the baffle (2) is provided with a magnetic strip (22); the magnetic strips (22) are horizontally arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010870617.4A CN112071665A (en) | 2020-08-26 | 2020-08-26 | Metal spraying heat setting process for automobile electrically-driven capacitor core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010870617.4A CN112071665A (en) | 2020-08-26 | 2020-08-26 | Metal spraying heat setting process for automobile electrically-driven capacitor core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112071665A true CN112071665A (en) | 2020-12-11 |
Family
ID=73659501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010870617.4A Pending CN112071665A (en) | 2020-08-26 | 2020-08-26 | Metal spraying heat setting process for automobile electrically-driven capacitor core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112071665A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112802691A (en) * | 2020-12-14 | 2021-05-14 | 铜陵市佳龙飞电容器有限公司 | End face uniform metal spraying device for production of metalized film capacitor |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104078237A (en) * | 2014-06-23 | 2014-10-01 | 浙江七星电容器有限公司 | Filter capacitor and manufacturing method thereof |
| CN204516593U (en) * | 2015-04-10 | 2015-07-29 | 安徽铜峰电子股份有限公司 | Capacitor core flattening fixture |
| CN109266993A (en) * | 2018-11-28 | 2019-01-25 | 铜陵市新洲电子科技有限责任公司 | A kind of dedicated fixed frame of capacitor core metal spraying |
| CN109786109A (en) * | 2019-02-03 | 2019-05-21 | 佛山市欣源电子股份有限公司 | A kind of novel high q-factor capacitor |
-
2020
- 2020-08-26 CN CN202010870617.4A patent/CN112071665A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104078237A (en) * | 2014-06-23 | 2014-10-01 | 浙江七星电容器有限公司 | Filter capacitor and manufacturing method thereof |
| CN204516593U (en) * | 2015-04-10 | 2015-07-29 | 安徽铜峰电子股份有限公司 | Capacitor core flattening fixture |
| CN109266993A (en) * | 2018-11-28 | 2019-01-25 | 铜陵市新洲电子科技有限责任公司 | A kind of dedicated fixed frame of capacitor core metal spraying |
| CN109786109A (en) * | 2019-02-03 | 2019-05-21 | 佛山市欣源电子股份有限公司 | A kind of novel high q-factor capacitor |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112802691A (en) * | 2020-12-14 | 2021-05-14 | 铜陵市佳龙飞电容器有限公司 | End face uniform metal spraying device for production of metalized film capacitor |
| CN112802691B (en) * | 2020-12-14 | 2022-03-25 | 铜陵市佳龙飞电容器有限公司 | End face uniform metal spraying device for production of metalized film capacitor |
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Application publication date: 20201211 |
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| RJ01 | Rejection of invention patent application after publication |