CN201574912U - Bisque of alumina ceramic main axle used for canned motor pump - Google Patents
Bisque of alumina ceramic main axle used for canned motor pump Download PDFInfo
- Publication number
- CN201574912U CN201574912U CN2009202865922U CN200920286592U CN201574912U CN 201574912 U CN201574912 U CN 201574912U CN 2009202865922 U CN2009202865922 U CN 2009202865922U CN 200920286592 U CN200920286592 U CN 200920286592U CN 201574912 U CN201574912 U CN 201574912U
- Authority
- CN
- China
- Prior art keywords
- bisque
- plug
- main axle
- motor pump
- alumina ceramic
- Prior art date
- 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.)
- Expired - Fee Related
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- Sliding-Contact Bearings (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model provides a bisque of an alumina ceramic main axle which is used for a canned motor pump. The bisque is characterized in that the bisque comprises a cylindrical main axle and a plug which are separated, and a via hole is arranged in the cylindrical main axle, a rectangular slot is opened on an end face of the plug. When the bisque is sintered, one end of the plug is inserted into the cylindrical main axle. In the utility model, the original bisque is divided into two parts to form, namely the cylindrical main axle and the plug, thus the yield is increased greatly.
Description
Technical field
The utility model relates to the biscuit of a kind of canned motorpump with the aluminium oxide ceramics main shaft, is used for the isostatic compaction of canned motorpump with main shaft.
Background technique
Canned motorpump uses the structure of main shaft shown in Figure 1A and Figure 1B, comprises axis body 1, is respectively perforate end 2 and closed end 3 at the two ends of axis body 1, is provided with through hole 5 in axis body 1, has one 7 * 2 * 1.5 rectangle groove 4 on closed end 3.
During isostatic compaction, rectangle groove 4 straight formings come out, and middle plug one end is at the top of rubber mold, one end distance has a segment distance from the top, like this in forming process, because shape is asymmetric, the base substrate discontinuity ruptures easily, influences yield rate greatly.
Summary of the invention
The purpose of this utility model provides a kind of biscuit that improves yield rate.
In order to achieve the above object, the technical solution of the utility model has provided the biscuit of a kind of canned motorpump with the aluminium oxide ceramics main shaft, it is characterized in that, the cylindrical spindle and the plug that comprise separation, in cylindrical spindle, be provided with through hole, have rectangle groove on the end face of plug, when sintering, an end of plug inserts in the cylindrical spindle.
The utility model is divided into two-part with former biscuit and comes moulding, and promptly a cylindrical spindle and a plug have improved yield rate so greatly.
Description of drawings
Figure 1A is the schematic representation of canned motorpump with main shaft;
Figure 1B is that the A of Figure 1A is to view;
Fig. 2 is the cylindrical spindle schematic representation;
Fig. 3 A is the side view of plug;
Fig. 3 B is the plan view of plug.
Embodiment
Specify the utility model below in conjunction with embodiment.
Embodiment
Shown in Fig. 2, Fig. 3 A and Fig. 3 B, a kind of canned motorpump that provides for the utility model is with the biscuit of aluminium oxide ceramics main shaft, the cylindrical spindle 6 and the plug 7 that comprise separation, in cylindrical spindle 6, be provided with through hole 8, on the end face of plug 7, have rectangle groove 4, when sintering, an end of plug 7 inserts in the cylindrical spindle 6.
The shape symmetry of cylindrical spindle 6, the biscuit that forms out is more even, has significantly reduced the mill amount of finish.Only use during sintering and plug 7 is filled in cylindrical spindle 6 one ends get final product, different according to plug 7 and cylindrical spindle 6 contraction ratios, sintering can become one later, the same with the original straight forming effect of coming out behind the sintering, but yield rate improves greatly, reduce the mill amount of finish, reduced the waste of raw material.
Claims (1)
1. a canned motorpump is with the biscuit of aluminium oxide ceramics main shaft, it is characterized in that, the cylindrical spindle (6) and the plug (7) that comprise separation, in cylindrical spindle (6), be provided with through hole (8), on the end face of plug (7), have rectangle groove (4), when sintering, an end of plug (7) inserts in the cylindrical spindle (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202865922U CN201574912U (en) | 2009-12-29 | 2009-12-29 | Bisque of alumina ceramic main axle used for canned motor pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202865922U CN201574912U (en) | 2009-12-29 | 2009-12-29 | Bisque of alumina ceramic main axle used for canned motor pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201574912U true CN201574912U (en) | 2010-09-08 |
Family
ID=42694785
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202865922U Expired - Fee Related CN201574912U (en) | 2009-12-29 | 2009-12-29 | Bisque of alumina ceramic main axle used for canned motor pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201574912U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103089690A (en) * | 2013-01-31 | 2013-05-08 | 苏州晶瓷超硬材料有限公司 | Ceramic shaft for shield pump and production technology thereof |
-
2009
- 2009-12-29 CN CN2009202865922U patent/CN201574912U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103089690A (en) * | 2013-01-31 | 2013-05-08 | 苏州晶瓷超硬材料有限公司 | Ceramic shaft for shield pump and production technology thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100908 Termination date: 20141229 |
|
| EXPY | Termination of patent right or utility model |