CN202862359U - Single sprayer ceramic nozzle isostatic pressing molding mold inner core - Google Patents
Single sprayer ceramic nozzle isostatic pressing molding mold inner core Download PDFInfo
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- CN202862359U CN202862359U CN 201220538380 CN201220538380U CN202862359U CN 202862359 U CN202862359 U CN 202862359U CN 201220538380 CN201220538380 CN 201220538380 CN 201220538380 U CN201220538380 U CN 201220538380U CN 202862359 U CN202862359 U CN 202862359U
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- bolt
- isostatic pressing
- inner core
- cone
- frustum
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Abstract
The utility model provides a single sprayer ceramic nozzle isostatic pressing molding mold inner core, which comprises a long conical rod, a conical platform and a bolt, wherein the conical platform and the long conical rod are connected through the bolt, the conical platform is provided with a bolt hole which is run through in the middle and is connected with the long conical rod, and is further provided with a via hole which is not run through and has certain depth, and the bolt is conveniently screwed and unscrewed through the via hole. The single sprayer ceramic nozzle isostatic pressing molding mold inner core firmly combines a plurality of parts of a set of ceramic nozzle isostatic pressing molding mold through the bolt, and solves the problem that a ceramic body crakes because an original junction is not closely combined. Simultaneously, because of adopting a bolt connecting device which is conveniently detached, on one side, the single sprayer ceramic nozzle isostatic pressing molding mold inner core can conveniently separate a mold and the ceramic body, reduces stress damage when demolding, and improves performance of products, and one the other side, the single sprayer ceramic nozzle isostatic pressing molding mold inner core reduces labor strength, and improves production efficiency.
Description
Technical field
The utility model relates to a kind of isostatic pressing method and prepares a single spraying ceramic nozzle mold core, belongs to the Inorganic Non-metallic Materials moulding and makes the field.
Background technology
Ceramic nozzle has important application in fields such as large coal-fired boiler flue gas desulfurization denitration dust-removing, papermaking, weaving, pharmacy, metallurgy, is the novel environment friendly product that country widelys popularize.High-quality ceramic nozzle should have the characteristics such as high strength, high temperature resistant, corrosion-resistant, long service life, and this forming method and shaping jig to ceramic nozzle proposes very high requirement.
The forming method of ceramic nozzle commonly used mainly is injection forming at present, the slip-casting shaping process process is complicated, manufacturing cycle is long, and interiors of products exists composition and density gradient difference, especially the inwall density of nozzle is low, causes intensity and lower hardness, wears no resistance, so that greatly shorten the service life of ceramic nozzle, can not give full play to the inherent advantage that ceramic material prepares nozzle.
Isostatic compaction is a kind of briquetting process that utilizes the liquid medium transmission of pressure, the distortion that elastic mould produces when being subject to medium pressure liquid is delivered to the powder in the mould, because the active force on all directions equates, thereby base substrate is stressed evenly, the Density Distribution homogeneous can improve the performance that makes product greatly.For conveniently stripped, at present mostly ceramic nozzle isostatic pressing mold commonly used is to connect segmented each other with slot, although be convenient to throw off, but exists the problem that joining place is easy to ftracture, and greatly reduces the yield rate of product.
Summary of the invention
In order to solve the deficiencies in the prior art, the utility model provides a kind of new ceramics nozzle isostatic pressing mold inner core.
The technical solution of the utility model is as follows:
A kind of single spraying ceramic nozzle isostatic pressing mold inner core comprises long conical rod, the frustum of a cone, bolt; Described bolt links together long conical rod and the frustum of a cone, the upper disc of long conical rod fit together with the upper disc of the frustum of a cone and both diameters consistent.
The preferred hexagon socket head cap screw of described bolt, the diameter of thread M minimum of bolt is not less than 3mm, and maximum is no more than 0.6 times of disc diameter D3 on the long conical rod; Bolt length is at least 1.1 times of frustum of a cone height, and can not be less than 15mm.
There is the threaded cylindrical bolt of not having of up/down perforation hole described frustum of a cone center, and the physical dimension of bolt hole is determined with reference to used bolt; An internal thread hole is arranged at described long conical rod top, and its geometric parameter is determined with reference to used bolt; Bolt hole on the frustum of a cone is connected with internal thread hole on the long conical rod.
The diameter of the unthreaded portion of described bolt in the frustum of a cone is D1, is slightly larger than diameter of thread M, and the nut diameter of bolt is D2, presses the plain bolt standard.
The described frustum of a cone also has the via hole of a non-perforation, and the cross sectional shape of via hole is a kind of in triangle, square, the hexagon, makes things convenient for bolt to screw and outwards winding.
The preferred regular hexagon of the cross sectional shape of the via hole on the described frustum of a cone is conveniently to select general inner hexagon spanner; The parallel edges distance L 1 of via hole is close with the nut diameter D2 of bolt, and the centre-to-centre spacing L2 between the nut of via hole and bolt satisfies: L2〉1/2 (L1+D2)+3, (unit is mm); The hole depth of via hole is 15mm.
Ceramic nozzle isostatic pressing mold inner core described in the utility model is processed by hard material, preferred hard metal material;
Preferably, a kind of single spraying ceramic nozzle isostatic pressing mold inner core, the dimensional parameters of each several part is:
1) the lower disc diameter D5 of long conical rod 1 is 10 ~ 150mm, and upper disc diameter D3 is 5 ~ 100mm, and length L 3 is 30 ~ 1000mm;
2) the upper disc diameter D3 of the frustum of a cone 2 is 5 ~ 100mm, and is consistent with disc diameter on the conical rod 1, and lower disc diameter D4 is 10 ~ 500mm.
After above-mentioned mould connection is complete, be coated with the last layer releasing agent at inner core, in the overcoat that the soft rubber material of packing into is made, then insert ceramic powder, slightly jolt ramming, finally sealed is put into the medium static pressure of pressure chamber of isostatic pressing machine, after compacting finishes, open rubber sleeve, utilize at first the outward winding fastening bolt of the frustum of a cone of via hole, remove the frustum of a cone, then remove conical rod, can obtain the ceramic nozzle of isostatic compaction.
The beneficial effects of the utility model are as follows:
1, the utility model has solved original joint owing to the problem in conjunction with the blank cracking that does not closely cause by a plurality of part strong bonded of bolt with a cover ceramic nozzle isostatic pressing mold;
2, the utility model has adopted easy-to-dismount bolt connecting device, is convenient to mould and base substrate are separated on the one hand, and the stress damage when having reduced the demoulding has improved properties of product; Reduce on the other hand labour intensity, improved production efficiency.
Description of drawings
Fig. 1 is the top view of the utility model ceramic nozzle isostatic pressing mold inner core;
Fig. 2 is the cutaway view of Figure 1A-A direction;
Wherein, 1, long conical rod, 2, the frustum of a cone, 3, bolt, 4, via hole.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is described further.
Embodiment 1
As shown in the figure, a kind of single spraying ceramic nozzle isostatic pressing mold inner core adopts stainless steel material to form through machined, comprises long conical rod 1, the frustum of a cone 2, bolt 3; Described bolt 3 links together long conical rod 1 and the frustum of a cone 2, the upper disc of long conical rod 1 fit together with the upper disc of the frustum of a cone 2 and both diameters consistent; There is the threaded cylindrical bolt of not having of up/down perforation hole the described frustum of a cone 2 centers, and an internal thread hole is arranged at described long conical rod 1 top, and the bolt hole on the frustum of a cone is connected with internal thread hole on the long conical rod; The frustum of a cone 2 also has the via hole 4 of a non-perforation, and the cross sectional shape of via hole 4 is regular hexagon.
The physical dimension of present embodiment ceramic nozzle isostatic pressing mold inner core each several part is as follows:
1) the diameter D5 of the lower disc of long conical rod 1 is 35mm, and the diameter D3 of upper disc is 15mm, and the length L 3 of conical rod is 120mm;
2) the diameter D3 of disc is 15mm on the frustum of a cone 2, and the diameter D4 of lower disc is 60mm, and the high L4 of the frustum of a cone is 40mm;
3) bolt 3 is hexagon socket head cap screw, and diameter of thread M is 8mm, and the diameter of unthreaded portion is that D1 is 8.5mm, and the diameter D2 of nut is 10mm, length 60mm;
4) via hole 4 is regular hexagon, hole depth 15mm, and parallel edges distance L 1 is 10mm, the centre-to-centre spacing L2 between the nut of via hole 4 and bolt 3 is 18mm.
After above-mentioned mould each several part connection is complete, be coated with the last layer releasing agent at inner core, in the overcoat that the soft rubber material of packing into is made, then insert ceramic powder, slightly jolt ramming, finally sealed is put into the medium static pressure of pressure chamber of isostatic pressing machine, after compacting finishes, open rubber sleeve, utilize at first the outward winding fastening bolt of the frustum of a cone of via hole, remove the frustum of a cone, then remove conical rod, can obtain the ceramic nozzle of isostatic compaction.Need to prove, change geometric parameter, can also process the mould that obtains other shapes, enumerate no longer one by one herein.
Claims (6)
1. a single spraying ceramic nozzle isostatic pressing mold inner core comprises long conical rod, the frustum of a cone, bolt; It is characterized in that described bolt links together long conical rod and the frustum of a cone, the upper disc of long conical rod fit together with the upper disc of the frustum of a cone and both diameters consistent.
2. a kind of single spraying as claimed in claim 1 ceramic nozzle isostatic pressing mold inner core, it is characterized in that, the preferred hexagon socket head cap screw of described bolt, the diameter of thread M minimum of bolt is not less than 3mm, and maximum is no more than 0.6 times of disc diameter D3 on the long conical rod; Bolt length is at least 1.1 times of frustum of a cone height, and can not be less than 15mm.
3. a kind of single spraying as claimed in claim 1 ceramic nozzle isostatic pressing mold inner core is characterized in that, there is the threaded cylindrical bolt of not having of up/down perforation hole described frustum of a cone center, and the physical dimension of bolt hole is determined with reference to used bolt; An internal thread hole is arranged at described long conical rod top, and its geometric parameter is determined with reference to used bolt; Bolt hole on the frustum of a cone is connected with internal thread hole on the long conical rod.
4. such as any one described a kind of single spraying of claim 1-3 ceramic nozzle isostatic pressing mold inner core, it is characterized in that the diameter of the unthreaded portion of described bolt in the frustum of a cone is D1, is slightly larger than diameter of thread M, the nut diameter of bolt is D2, presses the plain bolt standard.
5. a kind of single spraying as claimed in claim 1 ceramic nozzle isostatic pressing mold inner core is characterized in that the described frustum of a cone also has the via hole of a non-perforation, and the cross sectional shape of via hole is a kind of in triangle, square, the hexagon.
6. a kind of single spraying as claimed in claim 5 ceramic nozzle isostatic pressing mold inner core is characterized in that the preferred regular hexagon of the cross sectional shape of the via hole on the described frustum of a cone; The parallel edges distance L 1 of via hole is close with the nut diameter D2 of bolt, and the centre-to-centre spacing L2 between the nut of via hole and bolt satisfies: L2〉1/2 (L1+D2)+3, unit is mm; The hole depth of via hole is 15mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220538380 CN202862359U (en) | 2012-10-19 | 2012-10-19 | Single sprayer ceramic nozzle isostatic pressing molding mold inner core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220538380 CN202862359U (en) | 2012-10-19 | 2012-10-19 | Single sprayer ceramic nozzle isostatic pressing molding mold inner core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202862359U true CN202862359U (en) | 2013-04-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220538380 Expired - Lifetime CN202862359U (en) | 2012-10-19 | 2012-10-19 | Single sprayer ceramic nozzle isostatic pressing molding mold inner core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202862359U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102862221A (en) * | 2012-10-19 | 2013-01-09 | 山东宝纳新材料有限公司 | Inner core of isostatic pressing die for ceramic nozzle with single nozzle |
| CN105881717A (en) * | 2016-05-26 | 2016-08-24 | 宁夏机械研究院股份有限公司 | Isostatic compaction mold for ceramic nozzle |
-
2012
- 2012-10-19 CN CN 201220538380 patent/CN202862359U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102862221A (en) * | 2012-10-19 | 2013-01-09 | 山东宝纳新材料有限公司 | Inner core of isostatic pressing die for ceramic nozzle with single nozzle |
| CN102862221B (en) * | 2012-10-19 | 2015-08-12 | 山东宝纳新材料有限公司 | A kind of single spraying head ceramic nozzle isostatic pressing mold inner core |
| CN105881717A (en) * | 2016-05-26 | 2016-08-24 | 宁夏机械研究院股份有限公司 | Isostatic compaction mold for ceramic nozzle |
| CN105881717B (en) * | 2016-05-26 | 2018-04-06 | 宁夏机械研究院股份有限公司 | Ceramic nozzle isostatic pressing mold |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130410 |
|
| CX01 | Expiry of patent term |