CN204927068U - Tantalum capacitor positive pole tantalum core sintering production system - Google Patents
Tantalum capacitor positive pole tantalum core sintering production system Download PDFInfo
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- CN204927068U CN204927068U CN201520735468.5U CN201520735468U CN204927068U CN 204927068 U CN204927068 U CN 204927068U CN 201520735468 U CN201520735468 U CN 201520735468U CN 204927068 U CN204927068 U CN 204927068U
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Abstract
The utility model discloses a tantalum capacitor positive pole tantalum core sintering production system. The system includes tantalum base suppression device, tantalum base lid powder system, tantalum base sintering device, tantalum base lid powder system includes that tantalum powder container, tantalum powder throwing device and tantalum base cover tantalum powder device. The utility model discloses optimizing the device structure, setting up before tantalum base sintering to its system that covers the tantalum powder, the tantalum base carries out the sintering again after covering the tantalum base, effectively prevents the surperficial oxidation of tantalum base among the sintering process, has improved tantalum capacitor anodal electrical property and stability in use, has solved the technological problem of this area long -term existence. The utility model discloses production system stability, easy operation, safe and reliable, environment friendly are applicable to the big production of industrialization.
Description
Technical field
The utility model relates to tantalum capacitor manufacturing technology field, more specifically, relates to a kind of tantalum capacitor anodes tantalum core SINTERING PRODUCTION system.
Background technology
Tantalum electric capacity full name is tantalum electrochemical capacitor, within 1956, is first succeeded in developing by U.S.'s Bell Laboratory, and different and general electrolytic electric capacity uses electrolyte as medium, and its medium is at the very thin tantalum pentoxide film of one deck of metal tantalum Surface Creation.Also as this, such that solid tantalum capacitor electrical property is excellent, operating temperature range is wide, long service life and stable, and in Industry Control, use in a large number in the products such as video equipment, communication instrument.The technology of preparing of tantalum electric capacity is in the concern receiving each field.
The extensive use of tantalum capacitor, has also had higher requirement, especially in electrical property and dependability to the various aspects of performance of tantalum electric capacity.Research shows: in high-temperature sintering process prepared by tantalum capacitor anodes tantalum core, oxygen in the easy absorbing environmental of tantalum powder particles on tantalum base surface and being oxidized, and then affect the generation quality of subsequent handling medium tantalum oxide-film, thus reduce the performance of tantalum anode block, reduce the reliability of capacitor.Therefore prepare in the sintering process of anode block of tantalum capacitor, effectively prevent tantalum block surface oxidation from becoming of crucial importance, method relatively more conventional at present has chemical method and Physical, the former general operation more complicated, new impurity may be introduced on tantalum block, and can environmental pollution be caused, the latter is the method relatively commonly used is adopt vacuum equipment to reach the object of isolating oxygen, usual like this can reaching effectively completely cuts off air, but it is higher to the requirement of equipment and production environment, and in fact really can not reach vacuum state due to existing vacuum equipment, still a small amount of residual air is had in its atmosphere, and the tantalum on meeting tantalum oxide block surface, affect tantalum anode performance.
Summary of the invention
The technical problems to be solved in the utility model is for the easily oxidized problem of tantalum briquet surface tantalum in tantalum capacitor anodes tantalum core sintering process, proposes a kind of tantalum capacitor anodes tantalum core SINTERING PRODUCTION system that tantalum base surface tantalum in sintering process can be prevented oxidized.
The purpose of this utility model is achieved by the following technical programs:
A kind of tantalum capacitor anodes tantalum core SINTERING PRODUCTION system is provided, comprises tantalum base pressure setting, tantalum base lid powder system and tantalum base sintering equipment; Described tantalum base lid powder system comprises tantalum powder container, tantalum powder tossed device and tantalum base and covers tantalum powder device; Connected by interface channel between tantalum powder container and tantalum powder tossed device, described tantalum powder tossed device is placed in the overhead that tantalum base covers tantalum powder device; Described tantalum base pressure setting, tantalum base are covered between tantalum powder device and tantalum base sintering equipment and are connected by conveying device.
Preferably, described tantalum base lid powder system also comprises control device, and described control device connects and the tantalum powder of shedding of control tantalum powder container powder delivery and tantalum powder tossed device operates.
Preferably, the vertical range of described tantalum powder container and tantalum powder tossed device is adjustable.
Preferably, described tantalum powder tossed device can be 2, and described tantalum powder container connects described two tantalum powder tossed devices simultaneously.Two tantalum powder tossed devices can use simultaneously, and also can use one, another is for subsequent use.
Preferably, described system also comprises radical occlusion device, described radical occlusion device can be the shell closed by tantalum base lid powder system wherein, also can be arranged at the shutter between opening that tantalum powder tossed device and tantalum base cover tantalum powder device, can effectively prevent tantalum powder dust in lid powder process from entering air.
Preferably, described tantalum base covers in tantalum powder device and is also provided with tantalum base turning device.
Preferably, described tantalum base covers tantalum powder device and/or tantalum powder tossed device is provided with alignment sensor.
The structure of described tantalum block pressure setting and tantalum base sintering equipment is with reference to existing routine.
The beneficial effects of the utility model:
The preparation of traditional tantalum capacitor anodes tantalum core only includes the compacting of tantalum briquet and tantalum briquet sinters two steps, but be through the tantalum that long-term experimental study proves the micro amount of oxygen meeting tantalum oxide briquet surface in tantalum briquet sintering process in environment, affect anode tantalum core to energize the effect of operation, and reduce electrical property and the stability of tantalum anode.The utility model for tantalum capacitor anodes tantalum core production system comprise for the compressing tantalum briquet compact system of tantalum briquet, for the tantalum briquet lid powder system of tantalum briquet lid powder, for the tantalum briquet sintering system of tantalum briquet sintering, described tantalum briquet lid powder system effectively can prevent the oxidation of tantalum in tantalum briquet sintering process, the electrical property that improve tantalum anode block and the reliability making fabricated capacitors promote, the shutter of lid powder device can effectively prevent tantalum powder dust in lid powder process from entering air, and potential safety hazard is caused to the health of operating technology personnel, the automation controllable operating of lid powder process, the utility model production system is stablized, simple to operate, safe and efficient, environmental friendliness, the production of tantalum capacitor can be widely used in.
The utility model method is equally applicable to the anti-oxidation of other materials processing except tantalum capacitor anodes tantalum core, simply adjusts corresponding technique or material with reference to the utility model marrow.
Accompanying drawing explanation
Fig. 1 the utility model system configuration schematic diagram.
Embodiment
This utility model is further illustrated below in conjunction with the drawings and specific embodiments.But the multitude of different ways that the utility model can be defined by the claims and cover is implemented.The utility model embodiment accompanying drawing, only for exemplary illustration, can not be interpreted as restriction of the present utility model.To those skilled in the art, in accompanying drawing, some known features and explanation thereof may be omitted is understandable.
Embodiment 1
Tantalum capacitor anodes tantalum core production system, comprises as shown in Figure 1, tantalum base pressure setting, tantalum base lid powder system and tantalum base sintering equipment; Described tantalum base lid powder system comprises tantalum powder container, tantalum powder tossed device and tantalum base and covers tantalum powder device; Connected by interface channel between tantalum powder container and tantalum powder tossed device, described tantalum powder tossed device is placed in the overhead that tantalum base covers tantalum powder device; Described tantalum base pressure setting, tantalum base are covered between tantalum powder device and tantalum base sintering equipment and are connected by conveying device.
Described system also comprises radical occlusion device, described radical occlusion device can be the shell closed by tantalum base lid powder system wherein, also can be arranged at the shutter between opening that tantalum powder tossed device and tantalum base cover tantalum powder device, can effectively prevent tantalum powder dust in lid powder process from entering air.
Described tantalum base covers in tantalum powder device and is also provided with tantalum base turning device, and tantalum base can overturn by turning device, controls to make to need the tantalum base surface covering tantalum powder just to tantalum powder tossed device.
Described tantalum base covers tantalum powder device and/or tantalum powder tossed device is provided with alignment sensor.
The structure of described tantalum block pressure setting and tantalum base sintering equipment is with reference to existing routine.
Described tantalum base lid powder system can also comprise control device, and described control device connects and the tantalum powder of shedding of control tantalum powder container powder delivery and tantalum powder tossed device operates.
The vertical range of described tantalum powder container and tantalum powder tossed device is adjustable.
Described tantalum powder sheds dress can also be 2, and described tantalum powder container connects described two tantalum powder tossed devices simultaneously.Two tantalum powder tossed devices can use simultaneously, and also can use one, another is for subsequent use.
Based on the utility model system, the sintering process of the present embodiment process tantalum capacitor anodes tantalum core comprises the following steps:
S1. shaping tantalum base is inserted sintered crucible;
S2. use High-purity Tantalum powder by the tantalum base uniform fold in crucible, cladding thickness is about 1mm, comprehensive uniform fold;
S3. the tantalum base covering tantalum powder is carried out high temperature sintering.The process conditions such as the temperature and time of described high temperature sintering are with reference to technological parameters such as existing tantalum base sintering temperature and times.Preferred sintering temperature is 1100 DEG C ~ 1400 DEG C, and sintering time is 20min ~ 40min.
The granularity of described High-purity Tantalum powder is preferably 1.5 ~ 4.0 μm.
After testing, its leakage current of tantalum base after sintering is 15 ~ 30 μ A, meets the requirements.
Claims (9)
1. a tantalum capacitor anodes tantalum core SINTERING PRODUCTION system, is characterized in that, comprises tantalum base pressure setting, tantalum base lid powder system and tantalum base sintering equipment; Described tantalum base lid powder system comprises tantalum powder container, tantalum powder tossed device and tantalum base and covers tantalum powder device; Connected by interface channel between tantalum powder container and tantalum powder tossed device, described tantalum powder tossed device is placed in the overhead that tantalum base covers tantalum powder device; Described tantalum base pressure setting, tantalum base are covered between tantalum powder device and tantalum base sintering equipment and are connected by conveying device.
2. tantalum capacitor anodes tantalum core SINTERING PRODUCTION system according to claim 1, it is characterized in that, described tantalum base lid powder system also comprises control device, described control device connect and control tantalum powder container powder delivery and tantalum powder tossed device shed the operation of tantalum powder.
3. tantalum capacitor anodes tantalum core SINTERING PRODUCTION system according to claim 2, it is characterized in that, described tantalum powder tossed device is 2, and described tantalum powder container connects described two tantalum powder tossed devices simultaneously.
4. the tantalum capacitor anodes tantalum core SINTERING PRODUCTION system according to claim 1,2 or 3, it is characterized in that, the vertical range between described tantalum powder container and tantalum powder tossed device is adjustable.
5. tantalum capacitor anodes tantalum core SINTERING PRODUCTION system according to claim 1, is characterized in that, described tantalum base covers in tantalum powder device and is also provided with tantalum base turning device.
6. tantalum capacitor anodes tantalum core SINTERING PRODUCTION system according to claim 1, is characterized in that, described tantalum base covers tantalum powder device and/or tantalum powder tossed device is provided with alignment sensor.
7. tantalum capacitor anodes tantalum core SINTERING PRODUCTION system according to claim 1, it is characterized in that, described system also comprises radical occlusion device.
8. tantalum capacitor anodes tantalum core SINTERING PRODUCTION system according to claim 7, is characterized in that, described radical occlusion device is the shell closed by tantalum base lid powder system wherein.
9. tantalum capacitor anodes tantalum core SINTERING PRODUCTION system according to claim 7, is characterized in that, described radical occlusion device is be arranged at the shutter between opening that tantalum powder tossed device and tantalum base cover tantalum powder device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520735468.5U CN204927068U (en) | 2015-09-22 | 2015-09-22 | Tantalum capacitor positive pole tantalum core sintering production system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520735468.5U CN204927068U (en) | 2015-09-22 | 2015-09-22 | Tantalum capacitor positive pole tantalum core sintering production system |
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| Publication Number | Publication Date |
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| CN204927068U true CN204927068U (en) | 2015-12-30 |
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| CN201520735468.5U Active CN204927068U (en) | 2015-09-22 | 2015-09-22 | Tantalum capacitor positive pole tantalum core sintering production system |
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