CN112670102A - Metal spraying equipment for metallized film capacitor - Google Patents
Metal spraying equipment for metallized film capacitor Download PDFInfo
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- CN112670102A CN112670102A CN202011313269.7A CN202011313269A CN112670102A CN 112670102 A CN112670102 A CN 112670102A CN 202011313269 A CN202011313269 A CN 202011313269A CN 112670102 A CN112670102 A CN 112670102A
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Abstract
A metal spray apparatus for metallizing a thin film capacitor, said metal spray apparatus comprising: the device comprises a protective cover, a conveying mechanism, a left lifting mechanism, a left pressing mechanism, an upper metal spraying mechanism, a right pressing mechanism, a right lifting mechanism, a lower metal spraying mechanism and an ash cleaning mechanism, wherein the protective cover is used for forming a dust-free metal spraying environment; the dust cleaning mechanism is arranged at the inlet end of the protective cover and is used for cleaning dust on the surface of the capacitor core needing to be sprayed with gold. According to the invention, the capacitor core is fixed and moved, and the metal spraying treatment is carried out on the two surfaces of the capacitor core in an up-and-down simultaneous metal spraying mode, so that the processing efficiency is improved, and the metal spraying is uniform and the metal spraying surface is not damaged; in addition, the relatively sealed environment is adopted, the interference of the external environment is reduced, the dust of the capacitor core is removed while the capacitor core is moved before metal spraying, the adhesive force of spraying materials during metal spraying is improved, and the quality of the capacitor is improved.
Description
Technical Field
The invention belongs to the technical field of capacitor processing, and particularly relates to metal spraying equipment for a metalized film capacitor.
Background
The metallized film capacitor is one of the capacitors which is widely used, and is a capacitor which is manufactured by taking an organic plastic film as a medium, taking a metallized film as an electrode and winding the metallized film, wherein the film used by the metallized film capacitor comprises polyethylene, polypropylene, polycarbonate and the like; when the metallized film capacitor is produced, a metal film is generally evaporated on the surface of a polyester film to replace a metal foil as an electrode, and the thickness of the metallized film layer is far smaller than that of the metal foil, so that the volume of the metallized film capacitor after being wound is much smaller than that of a metal foil capacitor, and the metallized film capacitor is high in reliability and wide in application.
The metal spraying is an important step in the production of the metallized film capacitor, the quality of the capacitor is directly influenced by the metal spraying effect, the existing metal spraying mode is mostly the metal spraying when the capacitor core moves through the bottom end of the spray gun, and the metal spraying is needed on two sides of the capacitor core, so that the capacitor core needs to be overturned, the metal spraying gun is used for spraying the metal again, the time is consumed, the original metal spraying surface is conveyed downwards during the metal spraying for the second time, and the metal spraying surface is easily damaged.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a metal spraying device for a metallized film capacitor, and the specific technical scheme is as follows:
a metal spray apparatus for metallizing a thin film capacitor, said metal spray apparatus comprising: a protective cover, a conveying mechanism, a left lifting mechanism, a left pressing mechanism, an upper metal spraying mechanism, a right pressing mechanism, a right lifting mechanism, a lower metal spraying mechanism and a dust cleaning mechanism, wherein,
the protective cover is used for forming a dust-free metal spraying environment;
the dust cleaning mechanism is arranged at the inlet end of the protective cover and is used for cleaning dust on the surface of the capacitor core needing to be sprayed with gold;
the conveying mechanisms are symmetrically arranged and are arranged on two sides of the interior of the protective cover, and the conveying mechanisms are used for fixing the capacitor cores and conveying the capacitor cores to a position between the upper metal spraying mechanism and the lower metal spraying mechanism;
the left lifting mechanism is arranged on one side of one of the conveying mechanisms and is used for adjusting the distance between one side of the upper metal spraying mechanism and the capacitor core;
the left downward pressing mechanism is arranged on the other side of one of the conveying mechanisms and is used for adjusting the distance between the other side of the upper metal spraying mechanism and the capacitor core;
the right downward pressing mechanism is arranged on one side of the other conveying mechanism and is used for adjusting the distance between one side of the downward metal spraying mechanism and the capacitor core;
the right lifting mechanism is arranged on the other side of the other conveying mechanism and is used for adjusting the distance between the other side of the lower metal spraying mechanism and the capacitor core;
the two ends of the upper metal spraying mechanism are respectively connected with the left pressing mechanism and the right pressing mechanism, and the upper metal spraying mechanism is used for spraying metal on one side surface of the capacitor core;
the two ends of the lower metal spraying mechanism are respectively connected with the left lifting mechanism and the right lifting mechanism; and the lower metal spraying mechanism is used for spraying metal on the other side surface of the capacitor core.
Furthermore, the open end of protection casing rotates and is connected with two baffles, just the protection casing adopts transparent structure.
Further, the left lifting mechanism and the right lifting mechanism are identical in structure, the left lifting mechanism comprises a first pneumatic slide rail, a first screw rod, a rotating handle and a first pneumatic slide block, the first screw rod penetrates through the conveying mechanism, and one end of the first screw rod is connected with the rotating handle in a threaded mode; the other end of the first screw rod is fixed with the first pneumatic sliding rail, and the outer side of the first pneumatic sliding rail is connected with the first pneumatic sliding block in a sliding mode.
Furthermore, the right pressing mechanism and the left pressing mechanism have the same structure, and the left pressing mechanism comprises a second pneumatic slide rail, a second screw rod and a second pneumatic slide block; the second screw is inserted into and connected with the conveying mechanism, and the second screw is in threaded connection with the rotating handle; the end part of the second screw rod is fixed with the second pneumatic sliding rail, and the second pneumatic sliding rail is connected with the second pneumatic sliding block in a sliding manner; the thread directions of the first screw and the second screw are opposite.
Furthermore, the upper metal spraying mechanism and the lower metal spraying mechanism are identical in structure, the upper metal spraying mechanism comprises a spray gun and a cross rod, the cross rod penetrates through the space between the left lower pressing mechanism and the right lower pressing mechanism, and the spray gun is installed in the center of the cross rod.
Further, the included angle between the spray gun and the cross rod is 45 degrees.
The invention has the beneficial effects that: according to the invention, the capacitor core is fixed and moved, and the metal spraying treatment is carried out on the two surfaces of the capacitor core in an up-and-down simultaneous metal spraying mode, so that the processing efficiency is improved, and the metal spraying is uniform and the metal spraying surface is not damaged; in addition, the relatively sealed environment is adopted, the interference of the external environment is reduced, the dust of the capacitor core is removed while the capacitor core is moved before metal spraying, the adhesive force of spraying materials during metal spraying is improved, and the quality of the capacitor is improved.
Drawings
FIG. 1 is a flow chart of a method for metal spraying a metallized film capacitor according to an embodiment of the present invention;
FIG. 2 is a schematic diagram showing the overall structure of a metal spraying apparatus for a metallized film capacitor according to an embodiment of the present invention;
fig. 3 shows a schematic side view of a protective cover according to an embodiment of the invention.
Shown in the figure: 1. the device comprises a protective cover 101, a first through hole 102, a second through hole 103, a baffle plate 2, a conveying mechanism 21, a conveying assembly 22, a protective rod 23, a supporting rod 3, a left lifting mechanism 31, a first pneumatic slide rail 32, a first screw rod 33, a rotating handle 34, a first pneumatic slide block 4, a left pressing mechanism 41, a second pneumatic slide rail 42, a second screw rod 43, a second pneumatic slide block 5, a right pressing mechanism 6, an upper metal spraying mechanism 61, a spray gun 62, a cross rod 7, a right lifting mechanism 8, a lower metal spraying mechanism 9, an ash cleaning mechanism 91, a shell 92, a baffle plate 93, a fan 94, a through hole 95 and a brush.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The invention provides a metal spraying method for a metalized film capacitor, which comprises the following steps as an example, as shown in figure 1:
the method comprises the following steps: the capacitor core is fixed and transported,
specifically, two surfaces of the capacitor core, which need to be subjected to metal spraying, are respectively aligned to an upper metal spraying mechanism and a lower metal spraying mechanism, then the capacitor core is fixed, and finally the capacitor core is conveyed, wherein the conveying mode includes, but is not limited to, a mode of translating a chain.
Step two: ash is removed through the ash removing mechanism when the capacitor core is conveyed, and then the capacitor core is conveyed between the upper metal spraying mechanism and the lower metal spraying mechanism;
specifically, the dust removal is carried out by a brush brushing and dust collection mode through the dust removal mechanism, so that the dust on the surface of the capacitor core to be processed is removed, and the sprayed material is attached to the capacitor core more compactly during metal spraying;
adjusting the included angle and the distance between a spray gun in the upper metal spraying mechanism and the lower metal spraying mechanism and the capacitor core;
specifically, when metal spraying is carried out, the distance and the angle between the spray gun and the capacitor core directly influence the metal spraying effect, in the invention, the distance between the spray gun and the capacitor core is adjusted to enable the distance between the spray gun and the capacitor core to be 30cm, and the angle between the spray gun and the capacitor core to be 45 degrees; the gold spraying is carried out at the angle, so that the accumulation of sprayed materials can be effectively avoided, and the sprayed materials are sprayed more uniformly; the adhesive force of the sprayed material can be effectively ensured at a distance of 30cm, and the capacitor core is not damaged.
Step four: spraying gold on two end faces of the capacitor core by using the spray gun in a dust-free environment;
specifically, spraying gold on two side surfaces of the capacitor core through a spray gun in a dust-free environment, preferably at the temperature of 55-65 ℃; the influence of external airflow on metal spraying in a dust-free environment can be ensured, and the influence of dust in the external environment on the metal spraying is reduced; meanwhile, the two sides are sprayed with gold at the same time, so that the effect of spraying the gold can be greatly improved.
The invention provides a metal spraying device of a metallized film capacitor, which comprises: a protective cover, a conveying mechanism, a left lifting mechanism, a left pressing mechanism, an upper metal spraying mechanism, a right pressing mechanism, a right lifting mechanism, a lower metal spraying mechanism and a dust cleaning mechanism, wherein,
the protective cover is used for forming a dust-free metal spraying environment; prevent the influence of external dust or air flow on the metal spraying.
The dust cleaning mechanism is arranged at the inlet end of the protective cover and is used for cleaning dust on the surface of the capacitor core needing to be sprayed with gold; the adhesive force between the spraying material and the capacitor core is improved.
The conveying mechanisms are symmetrically arranged and are arranged on two sides of the interior of the protective cover, and the conveying mechanisms are used for fixing the capacitor cores and conveying the capacitor cores to a position between the upper metal spraying mechanism and the lower metal spraying mechanism;
the left lifting mechanism is arranged on one side of one of the conveying mechanisms and is used for adjusting the distance between one side of the upper metal spraying mechanism and the capacitor core;
the left downward pressing mechanism is arranged on the other side of one of the conveying mechanisms and is used for adjusting the distance between the other side of the upper metal spraying mechanism and the capacitor core;
the right downward pressing mechanism is arranged on one side of the other conveying mechanism and is used for adjusting the distance between one side of the downward metal spraying mechanism and the capacitor core;
the right lifting mechanism is arranged on the other side of the other conveying mechanism and is used for adjusting the distance between the other side of the lower metal spraying mechanism and the capacitor core;
the two ends of the upper metal spraying mechanism are respectively connected with the left pressing mechanism and the right pressing mechanism, and the upper metal spraying mechanism is used for spraying metal on one side surface of the capacitor core;
the two ends of the lower metal spraying mechanism are respectively connected with the left lifting mechanism and the right lifting mechanism; the lower metal spraying mechanism is used for spraying metal on the other side surface of the capacitor core; and the upper metal spraying mechanism and the lower metal spraying mechanism are used for spraying metal on two side surfaces of the capacitor core at the same time, so that the metal spraying effect is improved.
As an improvement of the technical scheme, the opening end of the protective cover is rotatably connected with two baffles, and the protective cover adopts a transparent structure.
As an improvement of the above technical solution, the left lifting mechanism and the right lifting mechanism have the same structure, and the left lifting mechanism includes a first pneumatic slide rail, a first screw rod, a rotating handle and a first pneumatic slide block, the first screw rod penetrates through the conveying mechanism, and one end of the first screw rod is connected with the rotating handle in a threaded manner; the other end of the first screw rod is fixed with the first pneumatic sliding rail, and the outer side of the first pneumatic sliding rail is connected with the first pneumatic sliding block in a sliding mode.
As an improvement of the above technical solution, the right pressing mechanism and the left pressing mechanism have the same structure, and the left pressing mechanism includes a second pneumatic slide rail, a second screw rod and a second pneumatic slide block; the second screw is inserted into and connected with the conveying mechanism, and the second screw is in threaded connection with the rotating handle; the end part of the second screw rod is fixed with the second pneumatic sliding rail, and the second pneumatic sliding rail is connected with the second pneumatic sliding block in a sliding manner; the thread directions of the first screw and the second screw are opposite.
As an improvement of the above technical solution, the upper metal spraying mechanism and the lower metal spraying mechanism have the same structure, and the upper metal spraying mechanism includes a spray gun and a cross bar, the cross bar penetrates between the left lower pressing mechanism and the right lower pressing mechanism, and the spray gun is installed at the center of the cross bar.
As an improvement of the technical scheme, an included angle between the spray gun and the cross rod is 45 degrees.
FIG. 2 shows an overall structural schematic of an embodiment of the present invention; illustratively, as shown in fig. 2, the conveying mechanism 2 is provided with two symmetrical and identical parts for fixing and conveying the capacitor core, and illustratively, the conveying mechanism 2 comprises a conveying assembly 21, a guard bar 22 and a support bar 23, wherein the support bar 23 is used for supporting, the guard bar 22 is fixed at the top end of the support bar 23, and the conveying assembly 21 is arranged on the inner side of the guard bar 22. Illustratively, the conveying assembly 21 includes rollers, a chain and a motor, wherein the motor is connected to the chain, the chain is connected to a plurality of rollers, and the rollers can be driven to rotate by driving the chain to rotate through the driving of the motor; the gyro wheel is elastic construction, is convenient for fix the condenser core, and is more firm in order to realize fixing the condenser core simultaneously, accessible pneumatic rod is connected between conveying mechanism 2 and the protection casing 1, moves to the inboard through pneumatic rod drive conveying mechanism 2, makes the fixed more firm of condenser core.
The top of one side of the conveying mechanism 2 is connected with a left lower pressing mechanism 4, the bottom of the conveying mechanism is connected with a left upper lifting mechanism 3, the left lower pressing mechanism 4 moves downwards while the left upper lifting mechanism 3 moves upwards at the same time for the same distance, similarly, the top end of the other side of the conveying mechanism 2 is provided with a right lower pressing mechanism 5, the bottom end of the conveying mechanism is provided with a right upper lifting mechanism 7, the right lower pressing mechanism 5 moves downwards while the right upper lifting mechanism 7 moves upwards at the same time for the same distance, and the distance from an upper metal spraying mechanism 6 and a lower metal spraying mechanism 8 to the capacitor core can be; the upper metal spraying mechanism 6 and the lower metal spraying mechanism 8 are identical in structure, the upper metal spraying mechanism 6 comprises a spray gun 61 and a cross rod 62, the cross rod 62 penetrates through the second pneumatic sliding block 43, and the spray gun 61 forming an included angle of 45 degrees with the cross rod 62 is mounted on the cross rod 62.
The protective cover 1 covers the outer side of the metal spraying equipment, and in order to convey the capacitor core into the protective cover 1, the length of the protective rod 22 needs to be longer than that of the protective cover 1, so that the protective rod 22 extends out of the opening end of the protective cover 1; meanwhile, the top of the protective cover 1 is provided with a first through hole 101, so that a metal spraying material can be conveniently put into the protective cover when necessary; a second through hole 102 is formed in the side of the protective cover 1, so that the spray gun 61 can be communicated with external equipment for use; meanwhile, in order to facilitate the use of the rotating handle 33, a through hole into which the rotating handle 33 is inserted is formed on the outer side of the protective cover 1, so that the rotating handle 33 can be operated conveniently on the outer side; meanwhile, the protective cover 1 is of a transparent structure, so that observation is facilitated.
FIG. 3 shows a side schematic view of a shield according to an embodiment of the invention; illustratively, as shown in fig. 3, the side opening end of the protective cover 1 is provided with a baffle 103, the baffle 103 is rotatably connected with the protective cover 1, and the rotation angle between the baffle 103 and the protective cover 1 is 0-180 °, which facilitates the in and out of the capacitor core. In addition, the top end and the bottom end of the opening of the protective cover 1 are respectively provided with the ash removal mechanisms 9, the two ash removal mechanisms 9 are symmetrically arranged, and the ash removal mechanisms 9 are used for removing ash from the top end and the bottom end of the capacitor core. The ash removing mechanism 9 comprises but is not limited to a shell 91, a baffle 92, a fan 93, a through hole 94 and a brush 95; the fan 93 is arranged at the top end of the shell 91, the baffles 92 are arranged inside the shell 91 and at the bottom end of the fan 93, and the two baffles 92 are arranged in a staggered mode, so that wind can be sucked conveniently, but dust can be effectively prevented from entering the fan 93; the bottom of the case 91 is provided with a through hole 94 and a brush 95 for brushing the outer surface of the capacitor element while attracting dust.
When the dust removal device is implemented, firstly, the capacitor core is placed between the two conveying mechanisms 2, the pneumatic rod is started to clamp the capacitor core when necessary, then the motor is started, the roller is driven by the motor to rotate, so that the capacitor core can move rightwards under the rotation of the roller, before the capacitor core enters the protective cover 1, the brush 95 of the dust removal mechanism 9 is used for brushing the surfaces of the top end and the bottom end of the capacitor core, and the dust on the capacitor core is attracted by a negative pressure mode in cooperation with the fan 93, so that a good dust removal effect is achieved.
The capacitor core which moves to the right can press the baffle plate 103 to enable the baffle plate 103 to rotate inwards to enable the capacitor core to enter the protective cover 1, then the rotating handle 33 is rotated according to requirements, the rotating handle 33 is rotated to enable the capacitor core to be simultaneously close to or far away from the first screw rod 32 and the second screw rod 43 which are in threaded connection, the distance between the spray gun 61 and the capacitor core is adjusted, and preferably, the distance between the spray gun 61 and the capacitor core is adjusted to be 30 cm; adjusting the rotating handles 33 at two sides to enable the left pressing mechanism 4 and the right pressing mechanism 5 to be on a horizontal line, enable the left lifting mechanism 3 and the right lifting mechanism 7 to be on a horizontal line, then starting the spray gun 61, and enabling the first pneumatic slide block 34 to move on the first pneumatic slide rail 31, and enabling the second pneumatic slide block 43 to move on the second pneumatic slide rail 41 synchronously; and spraying gold on two sides of the capacitor core simultaneously in the moving process.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. The metal spraying equipment of the metallized film capacitor is characterized in that: the metal spraying equipment comprises: a protective cover, a conveying mechanism, a left lifting mechanism, a left pressing mechanism, an upper metal spraying mechanism, a right pressing mechanism, a right lifting mechanism, a lower metal spraying mechanism and a dust cleaning mechanism, wherein,
the protective cover is used for forming a dust-free metal spraying environment;
the dust cleaning mechanism is arranged at the inlet end of the protective cover and is used for cleaning dust on the surface of the capacitor core needing to be sprayed with gold;
the conveying mechanisms are symmetrically arranged and are arranged on two sides of the interior of the protective cover, and the conveying mechanisms are used for fixing the capacitor cores and conveying the capacitor cores to a position between the upper metal spraying mechanism and the lower metal spraying mechanism;
the left lifting mechanism is arranged on one side of one of the conveying mechanisms and is used for adjusting the distance between one side of the upper metal spraying mechanism and the capacitor core;
the left downward pressing mechanism is arranged on the other side of one of the conveying mechanisms and is used for adjusting the distance between the other side of the upper metal spraying mechanism and the capacitor core;
the right downward pressing mechanism is arranged on one side of the other conveying mechanism and is used for adjusting the distance between one side of the downward metal spraying mechanism and the capacitor core;
the right lifting mechanism is arranged on the other side of the other conveying mechanism and is used for adjusting the distance between the other side of the lower metal spraying mechanism and the capacitor core;
the two ends of the upper metal spraying mechanism are respectively connected with the left pressing mechanism and the right pressing mechanism, and the upper metal spraying mechanism is used for spraying metal on one side surface of the capacitor core;
the two ends of the lower metal spraying mechanism are respectively connected with the left lifting mechanism and the right lifting mechanism; and the lower metal spraying mechanism is used for spraying metal on the other side surface of the capacitor core.
2. The metal-sprayed device of a metallized film capacitor of claim 1, wherein: the open end of protection casing rotates and is connected with two baffles, just the protection casing adopts transparent construction.
3. The metal-spraying apparatus of metallized film capacitors as claimed in claim 2, wherein: the left lifting mechanism and the right lifting mechanism are identical in structure, the left lifting mechanism comprises a first pneumatic sliding rail, a first screw, a rotating handle and a first pneumatic sliding block, the first screw penetrates through the conveying mechanism, and one end of the first screw is in threaded connection with the rotating handle; the other end of the first screw rod is fixed with the first pneumatic sliding rail, and the outer side of the first pneumatic sliding rail is connected with the first pneumatic sliding block in a sliding mode.
4. The metal-spraying apparatus of metallized film capacitors as claimed in claim 3, wherein: the right pressing mechanism and the left pressing mechanism have the same structure, and the left pressing mechanism comprises a second pneumatic sliding rail, a second screw and a second pneumatic sliding block; the second screw is inserted into and connected with the conveying mechanism, and the second screw is in threaded connection with the rotating handle; the end part of the second screw rod is fixed with the second pneumatic sliding rail, and the second pneumatic sliding rail is connected with the second pneumatic sliding block in a sliding manner; the thread directions of the first screw and the second screw are opposite.
5. The metal-blasting apparatus for metallizing thin film capacitors according to claim 4, wherein: the upper metal spraying mechanism is the same as the lower metal spraying mechanism in structure, the upper metal spraying mechanism comprises a spray gun and a cross rod, the cross rod penetrates through the space between the left pressing mechanism and the right pressing mechanism, and the spray gun is installed at the center of the cross rod.
6. The metal-spraying apparatus of metallized film capacitors as claimed in claim 5, wherein: the included angle between the spray gun and the cross rod is 45 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011313269.7A CN112670102A (en) | 2020-11-20 | 2020-11-20 | Metal spraying equipment for metallized film capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011313269.7A CN112670102A (en) | 2020-11-20 | 2020-11-20 | Metal spraying equipment for metallized film capacitor |
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| Publication Number | Publication Date |
|---|---|
| CN112670102A true CN112670102A (en) | 2021-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011313269.7A Withdrawn CN112670102A (en) | 2020-11-20 | 2020-11-20 | Metal spraying equipment for metallized film capacitor |
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| Country | Link |
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| CN (1) | CN112670102A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD126356A1 (en) * | 1975-12-23 | 1977-07-13 | ||
| CN106783171A (en) * | 2016-12-27 | 2017-05-31 | 松下电子部品（江门）有限公司 | A kind of metal spraying method of metallic film capacitor |
| CN107452517A (en) * | 2017-09-29 | 2017-12-08 | 浙江七星电容器有限公司 | A kind of two-sided metal spraying unit of six rifles for inner core of capacitor |
| CN108529115A (en) * | 2018-05-08 | 2018-09-14 | 王军 | A kind of logistic warehousing and storaging method |
| CN210006609U (en) * | 2019-08-13 | 2020-01-31 | 佛山市技胜智能设备有限公司 | Electric arc type two-side co-spraying metal spraying machine |
-
2020
- 2020-11-20 CN CN202011313269.7A patent/CN112670102A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD126356A1 (en) * | 1975-12-23 | 1977-07-13 | ||
| CN106783171A (en) * | 2016-12-27 | 2017-05-31 | 松下电子部品（江门）有限公司 | A kind of metal spraying method of metallic film capacitor |
| CN107452517A (en) * | 2017-09-29 | 2017-12-08 | 浙江七星电容器有限公司 | A kind of two-sided metal spraying unit of six rifles for inner core of capacitor |
| CN108529115A (en) * | 2018-05-08 | 2018-09-14 | 王军 | A kind of logistic warehousing and storaging method |
| CN210006609U (en) * | 2019-08-13 | 2020-01-31 | 佛山市技胜智能设备有限公司 | Electric arc type two-side co-spraying metal spraying machine |
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Application publication date: 20210416 |