CN204167119U - The shaping feeder of a kind of tantalum cathode cylinder - Google Patents
The shaping feeder of a kind of tantalum cathode cylinder Download PDFInfo
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- CN204167119U CN204167119U CN201420674282.9U CN201420674282U CN204167119U CN 204167119 U CN204167119 U CN 204167119U CN 201420674282 U CN201420674282 U CN 201420674282U CN 204167119 U CN204167119 U CN 204167119U
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- tantalum
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- material plug
- casing drum
- tantalum powder
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Abstract
The feeder that the utility model provides a kind of tantalum cathode cylinder shaping, comprises casing drum; Comprising the tantalum shell standing groove of taper charge door and tantalum powder diversion cavity and bottom in described casing drum from top to bottom respectively, is the sub-material plug and the sub-material plug locating ring that a sidewall have some guiding gutters in the middle of described casing drum.Tantalum powder is poured in cathode tube by the taper charge door of casing drum and sub-material plug by the utility model equably, ensure that the uniformity of the forming process Midst density of cathode tube, the bore that the top of tantalum powder diversion cavity is communicated with the bottom of taper charge door is less than the distance of outer wall to casing drum inwall of sub-material plug simultaneously, ensure that tantalum powder can all flow into die cavity surrounding by this feeder in the compressing process of tantalum cathode cylinder, further ensure tantalum powder and can be filled to equably in cathode tube die cavity.
Description
Technical field
The utility model belongs to the making apparatus field of tantalum cathode cylinder, particularly relates to the shaping feeder of a kind of tantalum cathode cylinder.
Background technology
At present in the manufacturing process of full tantalum electrolytic capacitor, for realizing the resistance to reverse voltage ability of full tantalum electrolytic capacitor, project organization adopts series capacitance structure usually, namely make at the inwall of capacitor tantalum shell the annular tantalum cathode cylinder that a wall thickness suppressed by high specific capacitance tantalum powder is no more than 1mm, this cathode tube is closely connected with tantalum outer casing inner wall by vacuum-sintering, a jumbo annular tantalum capacitor can be formed at tantalum outer casing inner wall after adopting certain voltage to energize, this cathodic electricity container to be connected with the anode of tantalum capacitor capacitance structure by electrolyte, when there is reverse voltage (general 3-5V) in circuit, this reverse voltage will be offset by the cathode tube annular capacitor of tantalum outer casing inner wall, thus it is injury-free under reverse voltage to protect whole capacitor.
Make the Normal practice of tantalum cathode cylinder as shown in Figure 4: comprise top board (1a), stationary magazine creel (4a) and lower platen (5a) from top to bottom successively, wherein stationary magazine creel (4a) center is feed well (43a) from top to bottom successively, jacket casing shell holddown groove (42a) and stationary magazine creel holddown groove (41a), also comprise top die (2a), chock plug (3a) and jacket casing shell (6a), top die (2a) is fixed on top board (1a), and there is the hollow hole with chock plug (3a) same radius at top die (2a) center; Chock plug (3a) is fixed on lower platen (5a), its top conically structure; Jacket casing shell (6a) is enclosed within chock plug (3a).。During work, first chock plug (3a) is arranged on lower platen (5a), jacket casing shell (6a) is enclosed within chock plug (5a), and then put stationary magazine creel (4a) outside, top die (2a) is fixed on top board (1a), device assembles and completing simultaneously.A certain amount of tantalum powder is put in the feed well (43a) of stationary magazine creel (4a), then the top die assembled (2a) is put into feed well (43a), keep straight down when putting into, first real with hand, then suppress being put in press device, then take out top die (2a) and chock plug (3a).When cathode tube is suppressed, when target cylinder shell adds tantalum powder, because tantalum powder adds uneven, cause at cathode tube after pressing, some places occur the phenomenon that tantalum powder comes off causing scrapping of cathode tube.
Utility model content
For solving the problems of the technologies described above, the utility model provides a kind of cathode tube feeder.
The utility model is achieved by the following technical programs.
A kind of cathode tube feeder that the utility model provides, comprises casing drum; Have taper charge door, sub-material plug and tantalum shell standing groove in described casing drum from top to bottom, the vertical center line of taper charge door, sub-material plug, tantalum shell standing groove overlaps; Taper charge door is back taper; The top of sub-material plug is conical, bottom is cylindrical, there is chock plug groove the inside of sub-material plug, sub-material plug is fixed on casing drum by locating ring, and it be conical lower is columnar tantalum powder diversion cavity that the surface of sub-material plug and the inner surface of casing drum surround a top, the top of tantalum powder diversion cavity is communicated with the bottom of taper charge door, and the outlet bottom described tantalum powder diversion cavity is in the region of tantalum shell standing groove.
The bore that the top of described tantalum powder diversion cavity is communicated with the bottom of taper charge door is less than the distance of outer wall to casing drum inwall of sub-material plug.
The beneficial effects of the utility model are: poured into equably in cathode tube by tantalum powder by the taper charge door of casing drum and sub-material plug, ensure that the uniformity of the forming process Midst density of cathode tube, the bore that the top of tantalum powder diversion cavity is communicated with the bottom of taper charge door is less than the distance of outer wall to casing drum inwall of sub-material plug simultaneously, ensure that tantalum powder can all flow into die cavity surrounding by this feeder in the compressing process of tantalum cathode cylinder, further ensure that tantalum powder can be filled in cathode tube die cavity equably.
Accompanying drawing explanation
Fig. 1 is cutaway view of the present utility model.
Fig. 2 is A-A cutaway view of the present utility model.
Fig. 3 is the structural representation of the present embodiment.
Fig. 4 is the schematic diagram of background technology.
In figure: 1-casing drum, 2-taper charge door, 3-tantalum shell standing groove, 4-sub-material plug, 5-locating ring, 6-tantalum powder diversion cavity, 7-chock plug groove, 8-base, 9-chock plug, 10-cathode tube shell.
Embodiment
Further describe the technical solution of the utility model below, but described in claimed scope is not limited to.
The utility model provides a kind of cathode tube feeder, as depicted in figs. 1 and 2, comprises casing drum 1; Have taper charge door 2, sub-material plug 4 and tantalum shell standing groove 3 in described casing drum 1 from top to bottom, the vertical center line of taper charge door 2, sub-material plug 4, tantalum shell standing groove 3 overlaps; Taper charge door 2 is back taper; The top of sub-material plug 4 is conical, bottom is cylindrical, there is chock plug groove 7 inside of sub-material plug 4, sub-material plug 4 is fixed on casing drum 1 by locating ring 5, and it be conical lower is columnar tantalum powder diversion cavity 6 that the inner surface of the surface of sub-material plug 4 and casing drum 1 surrounds a top, the top of tantalum powder diversion cavity 6 is communicated with the bottom of taper charge door 2, and the outlet bottom described tantalum powder diversion cavity 6 is in the region of tantalum shell standing groove 3.
Further, in order to ensure that tantalum powder can scatter equably in tantalum powder diversion cavity, further ensure that tantalum powder can add in cathode tube equably, the bore that the top of described tantalum powder diversion cavity 6 is communicated with the bottom of taper charge door 2 is less than the distance of outer wall to casing drum 1 inwall of sub-material plug 4.
In use, as shown in Figure 3, first chock plug 9 is inserted on base 8, then cathode tube shell 10 is enclosed within chock plug 8, then this device is arranged on base 8, tantalum powder can be filled by target cylinder shell, after populated, carry out the compacting work of cathode tube with the equipment described in background technology.
Claims (2)
1. a cathode tube feeder, comprise casing drum (1), it is characterized in that: have the sub-material plug (4) taper charge door (2), sidewall having some guiding gutters and tantalum shell standing groove (3) from top to bottom in described casing drum (1), the vertical center line of taper charge door (2), sub-material plug (4), tantalum shell standing groove (3) overlaps; Taper charge door (2) is back taper; The top of sub-material plug (4) is taper, bottom is cylindrical, there is chock plug groove (7) inside of sub-material plug (4), sub-material plug (4) is fixed on casing drum (1) by locating ring (5), and it be conical lower is columnar tantalum powder diversion cavity (6) that the inner surface of the surface of sub-material plug (4) and casing drum (1) surrounds a top, the top of tantalum powder diversion cavity (6) is communicated with the bottom of taper charge door (2), and the outlet of described tantalum powder diversion cavity (6) bottom is in the region of tantalum shell standing groove (3).
2. cathode tube feeder as claimed in claim 1, is characterized in that: the bore that the top of described tantalum powder diversion cavity (6) is communicated with the bottom of taper charge door (2) is less than the distance of outer wall to casing drum (1) inwall of sub-material plug (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420674282.9U CN204167119U (en) | 2014-11-13 | 2014-11-13 | The shaping feeder of a kind of tantalum cathode cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420674282.9U CN204167119U (en) | 2014-11-13 | 2014-11-13 | The shaping feeder of a kind of tantalum cathode cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204167119U true CN204167119U (en) | 2015-02-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420674282.9U Active CN204167119U (en) | 2014-11-13 | 2014-11-13 | The shaping feeder of a kind of tantalum cathode cylinder |
Country Status (1)
| Country | Link |
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| CN (1) | CN204167119U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113972073A (en) * | 2021-10-26 | 2022-01-25 | 中国振华(集团)新云电子元器件有限责任公司(国营第四三二六厂) | Method for improving inner wall capacity of tantalum shell of non-solid electrolyte tantalum capacitor |
-
2014
- 2014-11-13 CN CN201420674282.9U patent/CN204167119U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113972073A (en) * | 2021-10-26 | 2022-01-25 | 中国振华(集团)新云电子元器件有限责任公司(国营第四三二六厂) | Method for improving inner wall capacity of tantalum shell of non-solid electrolyte tantalum capacitor |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |