CN207841662U - A kind of crystalline ceramics bearing base grain press - Google Patents
A kind of crystalline ceramics bearing base grain press Download PDFInfo
- Publication number
- CN207841662U CN207841662U CN201820193377.7U CN201820193377U CN207841662U CN 207841662 U CN207841662 U CN 207841662U CN 201820193377 U CN201820193377 U CN 201820193377U CN 207841662 U CN207841662 U CN 207841662U
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- China
- Prior art keywords
- punch
- vacuum
- bar
- joint element
- pedestal
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Abstract
The utility model discloses a kind of crystalline ceramics bearing base grain press, including four-column hydraulic press, extend punch, vacuum cavity, present a theatrical performance as the last item on a programme, backing plate, vacuum tube, vacuum extractor.The utility model has reached following advantageous effect：The utility model is simple in structure, easy to operate, low manufacture cost；Gas between powder can be extracted out actively, reinforce the compactness of dry-pressing formed base grain, reduce the stomata between powder by vacuum cavity vacuum-pumping；It is detachable to extend punch, adapts to various sizes of molding die, flexibility is high.
Description
Technical field
The utility model category powder compacting apparatus field, more particularly to a kind of crystalline ceramics bearing base grain press.
Background technology
Ceramic bearing has obtained increasingly extensive as a kind of important mechanical basic part in the every field of national economy
Application.Transparent ceramic material not only has the preferable transparency, and corrosion-resistant, can work at high temperature under high pressure, there are many more
The unrivaled property of other materials, such as intensity is high, dielectric properties are excellent, low conductivity, highly thermally conductive property, using crystalline ceramics
The bearing of processing, has intensity height, is easy to automatic assembling, gradually replaces jewel bearing in precision machinery instrument field, has wide
Wealthy development prospect.
The forming process of crystalline ceramics bearing base grain be often used it is dry-pressing formed after reuse the method for isostatic pressing.Dry-pressing
Molding essence is under external force, firmly each particle to be connected by internal friction, keeps certain shape.It is real
Proof is trampled, there be larger contact in performance and pressuring method, pressing speed and the dwell time of green body.It is dry-pressing formed that there is technique letter
Single, easy to operate, the advantages that period is short, efficient, convenient for carrying out automated production, and the blank density made is big, size
Accurately, small, high mechanical strength, good electrical property are shunk.But crystalline ceramics dry-pressing more demanding to the porosity of molded part, common
Molding adds isostatic pressing, making that the gas inside the powder of crystalline ceramics excludes and be not thorough, it is easy to cause waste product
It generates.
Utility model content
The purpose of this utility model, which is that, overcomes existing technical problem, provides a kind of crystalline ceramics bearing base grain pressure
Machine processed.
In order to achieve the above objectives, the utility model is implemented according to following technical scheme：
A kind of crystalline ceramics bearing base grain press, including four-column hydraulic press；The four-column hydraulic press include moved cross beam,
Staking punch, workbench；The staking punch be fixedly mounted on moved cross beam in：Further include extend punch, vacuum cavity, present a theatrical performance as the last item on a programme,
Backing plate, vacuum tube, vacuum extractor；The extension punch is fixedly mounted at staking punch axle center；The extension punch includes punching
Head rod, punch；The punch is threadedly coupled with plunger rod；There is annular convex platform in the plunger rod lower end around the body of rod；
The vacuum cavity includes pedestal, cover body；It is described to present a theatrical performance as the last item on a programme including upper holder, bottom platen；Have on the pedestal outer
Several through-holes；
The cover body includes base connector, punch joint element for bar, umbellate form cover；The base connector and umbellate form cover bottom
Welding；It is welded at the top of the punch joint element for bar and umbellate form cover；There are thread, sealing ring in the base connector；The pedestal
Connector is connect with whorl of base；
The punch joint element for bar hard-pressed bale is outside annular convex platform；There is upper holder on the punch joint element for bar；The punch
There is bottom platen under joint element for bar；The upper holder, punch joint element for bar, annular convex platform, bottom platen are bolted connection；
There is backing plate below the vacuum cavity；The vacuum cavity, backing plate are mounted by means of bolts on workbench；Institute
Vacuum tube is stated across workbench, backing plate, pedestal；The vacuum tube connects vacuum extractor.
Preferably, the pedestal is metal material；The base connector is polytetrafluoroethylene material；The plunger rod connects
Fitting is silica gel material；The umbellate form cover is the flexible material that composite evacuated bag uses.
Preferably, the upper holder, bottom platen are polytetrafluoroethylene material.
The utility model action principle is as follows：
It is provided with vacuum cavity on the base grain press of the utility model.Pass through the combination of pedestal, cover body and connector
It uses, forms the cavity of a vacuum-pumping.Cover body selects the common material of composite evacuated bag to make, the vacuum cavity structure letter
Single, assembly and disassembly is convenient.Vacuum dry-pressing equipment in compared to the prior art, low manufacture cost, flexibility higher.By shaping mould
Tool is put into inside cavity, you can is vacuumized by vacuum tube, that is, vacuum extractor according to dry-pressing situation.In pressing process
It vacuumizes, actively the gas between powder can be extracted out, reinforce the compactness of dry-pressing formed base grain.
Extend punch to be fixedly mounted on the staking punch of four-column hydraulic press, which can be according to the shape area of mold
It is processed design, meets different sized molds.
The utility model has reached following advantageous effect：
The utility model is simple in structure, easy to operate, low manufacture cost；Vacuum cavity vacuum-pumping, can be actively by powder
Between gas extraction, reinforce the compactness of dry-pressing formed base grain, reduce the stomata between powder；It is detachable to extend punch,
Various sizes of molding die is adapted to, flexibility is high.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the partial enlarged view at Fig. 1 A；
Fig. 3 is the partial enlarged view at Fig. 1 B；
Fig. 4 is the vertical view of the utility model base connector.
In figure：1, four-column hydraulic press；2, extend punch；3, vacuum cavity；4, backing plate；5, vacuum tube；6, vacuum extractor；
7, moved cross beam；8, staking punch；9, workbench；10, plunger rod；11, punch；12, annular convex platform；13, pedestal；14, upper holder；
15, bottom platen；16, through-hole；17, base connector；18, punch joint element for bar；19, umbellate form cover；20, thread；21, sealing ring；
22, mold.
Specific implementation mode
The utility model will be further described below with reference to the accompanying drawings and specific embodiments, in the signal of this utility model
Property embodiment and explanation be used for explaining the utility model, but be not intended to limit the scope of the present invention.
A kind of crystalline ceramics bearing base grain press as shown in Figures 1 to 4, including four-column hydraulic press 1 extend punch 2, true
Cavity body 3 is presented a theatrical performance as the last item on a programme, backing plate 4, vacuum tube 5, vacuum extractor 6.Four-column hydraulic press 1 includes moved cross beam 7, staking punch 8, work
Platform 9.Staking punch 8 is fixedly mounted on moved cross beam 7, is extended punch 2 and is fixedly mounted at 8 axle center of staking punch.Extend punch 2 to wrap
Plunger rod 10, punch 11 are included, punch 11 is threadedly coupled with plunger rod 10, and there is annular convex platform 12 in 10 lower end of plunger rod around the body of rod.
Vacuum cavity 3 includes pedestal 13, cover body.It presents a theatrical performance as the last item on a programme including upper holder 14, bottom platen 15.Annular is equal on 13 outer of pedestal
Eight through-holes 16 of cloth.
Cover body includes base connector 17, punch joint element for bar 18, umbellate form cover 19.Base connector 17 and 19 bottom of umbellate form cover
Portion is welded, and punch joint element for bar 18 is welded with 19 top of umbellate form cover.There are thread 20, sealing ring 21, pedestal in base connector 17
Connector 17 is threadedly coupled with pedestal 13.
18 hard-pressed bale of punch joint element for bar has upper holder 14, plunger rod to connect outside annular convex platform 12 on punch joint element for bar 18
There are bottom platen 15, upper holder 14, punch joint element for bar 18, annular convex platform 12,15 company of being fastened by bolts of bottom platen under fitting 18
It connects.
There is backing plate 4 in 3 lower section of vacuum cavity.Vacuum cavity 3, backing plate 4 are mounted by means of bolts on workbench 9.Vacuum
Pipe 5 passes through workbench 9, backing plate 4, pedestal 13, vacuum tube 5 to connect vacuum extractor 6.
Wherein pedestal 13 is metal material；Base connector 17 is polytetrafluoroethylene material, and punch joint element for bar 18 is silicon
Glue material；Umbellate form cover 19 is the flexible material that composite evacuated bag uses；Upper holder 14, bottom platen 15 are polytetrafluoroethylene material.
In use, mold 22 can be put on pedestal 13 and is aligned with punch 11 by 17 Unscrew of base connector, then
Base connector 17 is installed, hops to it and presses through journey.
The technical solution of the utility model is not limited to the limitation of above-mentioned specific embodiment, every skill according to the present utility model
The technology deformation that art scheme is made, each falls within the scope of protection of the utility model.
Claims (3)
1. a kind of crystalline ceramics bearing base grain press, including four-column hydraulic press；The four-column hydraulic press includes moved cross beam, punching
Pressure head, workbench；The staking punch is fixedly mounted on moved cross beam, it is characterised in that：Further include extending punch, vacuum chamber
Body is presented a theatrical performance as the last item on a programme, backing plate, vacuum tube, vacuum extractor；The extension punch is fixedly mounted at staking punch axle center；The extension punching
Head includes plunger rod, punch；The punch is threadedly coupled with plunger rod；There is annular convex platform in the plunger rod lower end around the body of rod；
The vacuum cavity includes pedestal, cover body；It is described to present a theatrical performance as the last item on a programme including upper holder, bottom platen；Have on the pedestal outer several
Through-hole；
The cover body includes base connector, punch joint element for bar, umbellate form cover；The base connector is welded with umbellate form cover bottom
It connects；It is welded at the top of the punch joint element for bar and umbellate form cover；There are thread, sealing ring in the base connector；The pedestal connects
Fitting is connect with whorl of base；
The punch joint element for bar hard-pressed bale is outside annular convex platform；There is upper holder on the punch joint element for bar；The plunger rod connects
There is bottom platen under fitting；The upper holder, punch joint element for bar, annular convex platform, bottom platen are bolted connection；
There is backing plate below the vacuum cavity；The vacuum cavity, backing plate are mounted by means of bolts on workbench；It is described true
Blank pipe passes through workbench, backing plate, pedestal；The vacuum tube connects vacuum extractor.
2. a kind of crystalline ceramics bearing base grain press according to claim 1, it is characterised in that：The pedestal is metal
Material；The base connector is polytetrafluoroethylene material；The punch joint element for bar is silica gel material；The umbellate form cover is multiple
Close the flexible material that vacuum bag uses.
3. a kind of crystalline ceramics bearing base grain press according to claim 2, it is characterised in that：The upper holder, under
It presents a theatrical performance as the last item on a programme as polytetrafluoroethylene material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820193377.7U CN207841662U (en) | 2018-02-05 | 2018-02-05 | A kind of crystalline ceramics bearing base grain press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820193377.7U CN207841662U (en) | 2018-02-05 | 2018-02-05 | A kind of crystalline ceramics bearing base grain press |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207841662U true CN207841662U (en) | 2018-09-11 |
Family
ID=63411033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820193377.7U Expired - Fee Related CN207841662U (en) | 2018-02-05 | 2018-02-05 | A kind of crystalline ceramics bearing base grain press |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207841662U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114179196A (en) * | 2021-11-27 | 2022-03-15 | 王汉升 | Ceramic shaft core forming die |
-
2018
- 2018-02-05 CN CN201820193377.7U patent/CN207841662U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114179196A (en) * | 2021-11-27 | 2022-03-15 | 王汉升 | Ceramic shaft core forming die |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180911 Termination date: 20200205 |