CN102543623A - Manufacturing method of discharge tube shell and discharge tube shell blank - Google Patents
Manufacturing method of discharge tube shell and discharge tube shell blank Download PDFInfo
- Publication number
- CN102543623A CN102543623A CN2010106199434A CN201010619943A CN102543623A CN 102543623 A CN102543623 A CN 102543623A CN 2010106199434 A CN2010106199434 A CN 2010106199434A CN 201010619943 A CN201010619943 A CN 201010619943A CN 102543623 A CN102543623 A CN 102543623A
- Authority
- CN
- China
- Prior art keywords
- cerul
- discharge vessel
- manufacturing approach
- rod
- cavity
- 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.)
- Pending
Links
Images
Landscapes
- Powder Metallurgy (AREA)
Abstract
The invention provides a manufacturing method of a discharge tube shell. The manufacturing method is characterized by comprising the following steps of: providing an outer die with an accommodating cavity, and a wax-based inner die, wherein the outline shape of the wax-based inner die is matched with the outline shape of the accommodating cavity; the wax-based inner die is positioned in the accommodating cavity; a hollow cavity is formed between the inner wall of the accommodating cavity and the wax-based inner die; powder is filled into the hollow cavity; the discharge tube shell blank is formed by curing the powder and removing the outer die; and the wax-based inner die is removed. A wax base is taken as a material of the inner die, residual objects are not left by the wax base in the heating removing process of the wax base, a procedure is simple, and the cost is low.
Description
Technical field
The present invention relates to a kind of manufacturing approach of making discharge vessel, relate in particular to a kind of manufacturing approach of making the ceramic gold-halogen lamp discharge vessel.
Background technology
Ceramic gold-halogen lamp is a kind of light source that on the basis of high-pressure sodium lamp and quartz metal halide lamp, grows up; Its color developing and light efficiency performance are more superior compared with the performance of said high-pressure sodium lamp and said quartz metal halide lamp; Therefore; The application of ceramic gold-halogen lamp more and more widely generally is used for the indoor and outdoors illumination.Yet the quality quality of ceramic gold-halogen lamp depends on the quality of ceramic discharge shell performance in the said ceramic gold-halogen lamp.
Closely during the last ten years, the structure of said ceramic discharge shell has experienced several developing stage, and it is formed by five parts bondings the earliest, is formed by three parts, two parts bondings finally, integral ceramics discharge vessel structure just occurs up in recent years.
The method of existing manufacturing integral ceramics discharge vessel may further comprise the steps: (1), an adventitia is provided, and said adventitia is provided with a container cavity; (2), a graphite inner membrance of being made up of graphite is provided; (3), said graphite inner membrance is positioned in the said container cavity, form cavity between the inwall of said container cavity and the said graphite inner membrance; (4), ceramic powder is injected in the said cavity; (5) sclerosis said ceramic powder and remove said external mold; (6), heat said graphite internal mold, with said graphite internal mold removal formation ceramic discharge shell.
Yet, adopt graphite as inner membrane material, after the said graphite heating volatilization, said ceramic discharge shell inwall also can stay the residual object of some graphite, to the residual object of said graphite be removed through another operation then, complex procedures, thus cause cost to increase.
Summary of the invention
The object of the invention has been to provide the manufacturing approach of the simple discharge vessel of a kind of operation and the discharge vessel idiosome that a kind of inner membrance is removed easily.
The manufacturing approach of a kind of discharge vessel provided by the invention may further comprise the steps:
(1), external mold and cerul internal mold with container cavity are provided, the contour shape of said cerul inner membrance and the contour shape of said container cavity are complementary;
(2), said cerul internal mold inserted in the said container cavity locatees, form cavity between the inwall of said container cavity and the said cerul internal mold;
(3), will expect that powder charges in the said cavity;
(4), with the sclerosis of said material powder and remove said external mold and form the discharge vessel idiosome;
(5), said cerul internal mold is removed.
Preferably, in the step (4), said material powder hardens through dry bag formula isostatic pressing machine, and the pressure of said dry bag formula isostatic pressing machine is set at 100kPa-200kPa/cm
2
A kind of discharge vessel idiosome that the present invention also provides comprises: discharge vessel and cerul inner membrance; Said discharge vessel is provided with electrode cavity, and said cerul inner membrance is contained in the said electrode cavity.
Compared with prior art, the present invention adopts the material of cerul as inner membrance, and said cerul adds in the heat abstraction process, and said cerul can not stay residual object, and operation is simple, and cost is lower.
In addition, the present invention adopts the pocket type isostatic pressing machine that said material powder is hardened, and operating process is simple, efficient is higher.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, does not constitute improper qualification of the present invention.
Fig. 1 is the cutaway view of adventitia of the present invention;
Fig. 2 is the cutaway view of cerul inner membrance of the present invention;
Fig. 3 is pack into the cutaway view of adventitia of cerul inner membrance of the present invention;
Fig. 4 is the cutaway view behind the injection material powder among Fig. 3;
Fig. 5 is the cutaway view after expecting the pruinescence sclerosis among Fig. 4 and removing adventitia;
Fig. 6 is the cutaway view of discharge vessel.
Embodiment
To combine accompanying drawing and specific embodiment to specify the present invention below, be used for explaining the present invention in this illustrative examples of the present invention and explanation, but not as to qualification of the present invention.
The present invention provides a kind of manufacturing approach of discharge vessel, and the said discharge vessel that obtains through said method can be applicable to specifically may further comprise the steps in the metal halide lamp:
(1), an adventitia 1 (with reference to Fig. 1) is provided; Said adventitia 1 is made up of with upper module 12 lower module 11; Said lower module 11 has one first groove 111, and said upper module 12 has one second groove 121, and said first groove 111 forms a container cavity 122 when engaging with said second groove 121.
One cerul inner membrance 2 (with reference to Fig. 2) is provided; The contour shape of said cerul internal mold 2 contour shapes and said container cavity 122 is complementary; The cerul body 22 that said cerul internal mold 2 comprises a body of rod 21 and is fixed in the said body of rod 21; In the present embodiment, the said body of rod 21 is a metallic rod, and the said in other embodiments body of rod 21 can be a hard plastic bar.Said cerul body 22 is made up of paraffin, beeswax, stearic acid, oleic acid, rosin and high molecular polymer etc., and wherein, said paraffin is main material.
When making said cerul inner membrance 2; Prepare a body of rod 21 and a cerul solution earlier; Then the ready said body of rod 21 is put into the film chamber of a mould; Inject the said cerul solution of fusing in the die cavity of said mould with injection molding machine then, said cerul solution forms said cerul body 22 through cooling and is fixed on the said body of rod 21.
(2), at first said lower module 11 and said upper module were opened in 12 minutes; Then said cerul internal mold 2 is inserted location in the said container cavity 122;, said cerul internal mold 2 behind the location, forms cavity 23 (with reference to Fig. 3) between the inwall of said container cavity 122 and the said cerul internal mold 2 in inserting said container cavity 122.
(3), the material powder 3 that will have certain flowability charges in the said cavity 23 (with reference to Fig. 4), said in the present embodiment material powder 3 is the ceramic material powder.
(4), said material powder 3 put into a dry bag formula isostatic pressing machine (not shown) harden, the pressure of said dry bag formula isostatic pressing machine (not shown) is set at 100kPa-200kPa/cm
2After said material powder 3 is hardened; Again said lower module 11 and said upper module 12 are removed; Said lower module 11 is removed the back with said upper module 12 and is formed a discharge vessel idiosome 4 (with reference to Fig. 5); At this moment, said discharge vessel idiosome 4 comprises a discharge vessel 41 that is obtained by said material powder 3 sclerosis and is contained in the said cerul inner membrance 2 in the said discharge vessel 41.
(5), the said cerul internal mold in the said discharge vessel idiosome 42 is removed (with reference to Fig. 5, Fig. 6); At first adopt mechanical system to extract the said body of rod 21 out; After the said body of rod 21 was extracted, said discharge vessel 41 formed a passage 411, the said cerul body 22 of heat again; Said cerul body 22 is flowed out, from said passage 411 till removing said cerul body 22 fully.After said cerul body 22 was removed, said discharge vessel 41 formed an electrode cavity 412 and is communicated with said passage 411.
(6), through after the above step, at last said discharge vessel 41 being put into temperature is that 1800 ℃ to 1900 ℃ hydrogen furnace or vacuum furnace carries out sintering, after the oversintering program, forms a translucent said discharge vessel 41.
The present invention adopts said cerul body 22 as inner membrance, and said cerul body 22 can bear 120kPa to 200kPa/cm
2Superhigh pressure; And add in the heat abstraction process at said cerul body 22, said cerul body 22 can not stay residual object, and operation is simple, and cost is lower; In addition; Said cerul body 22 adds in the heat abstraction process, and the thermal coefficient of expansion of said cerul body 22 is lower, and said discharge vessel 41 therefore can not rise brokenly; Thereby improve the qualification rate of said discharge vessel 41 greatly, make the qualification rate of said discharge vessel 41 up to more than 90%.
In addition, the present invention adopts the pocket type isostatic pressing machine that said material powder 3 is hardened, pass through wet pocket type isostatic pressing machine and harden and compare with traditional, not only operating efficiency exceed several times, operation simpler, can automation size production.
More than the technical scheme that the embodiment of the invention provided has been carried out detailed introduction; Used concrete example among this paper the principle and the execution mode of the embodiment of the invention are set forth, the explanation of above embodiment only is applicable to the principle that helps to understand the embodiment of the invention; Simultaneously, for one of ordinary skill in the art, according to the embodiment of the invention, the part that on embodiment and range of application, all can change, in sum, this description should not be construed as limitation of the present invention.
Claims (15)
1. the manufacturing approach of a discharge vessel is characterized in that may further comprise the steps:
(1), external mold and cerul internal mold with container cavity are provided, the contour shape of said cerul inner membrance and the contour shape of said container cavity are complementary;
(2), said cerul internal mold inserted in the said container cavity locatees, form cavity between the inwall of said container cavity and the said cerul internal mold;
(3), will expect that powder charges in the said cavity;
(4), said external mold is removed in said material powder sclerosis back and form the discharge vessel idiosome;
(5), said cerul internal mold is removed.
2. discharge vessel manufacturing approach as claimed in claim 1 is characterized in that: in the step (4), said material powder hardens through dry bag formula isostatic pressing machine, and the pressure of said dry bag formula isostatic pressing machine is set at 100kPa-200kPa/cm
2
3. discharge vessel manufacturing approach as claimed in claim 1 is characterized in that: the cerul body that said cerul internal mold comprises a body of rod and is fixed in the said body of rod.
4. discharge vessel manufacturing approach as claimed in claim 3 is characterized in that: the said body of rod is a metallic rod.
5. discharge vessel manufacturing approach as claimed in claim 3 is characterized in that: said cerul body mainly is made up of olefin material.
6. discharge vessel manufacturing approach as claimed in claim 5 is characterized in that: said cerul body also comprises beeswax, stearic acid, oleic acid, rosin and high molecular polymer.
7. discharge vessel manufacturing approach as claimed in claim 3 is characterized in that: in the step (5), said cerul internal mold at first adopts mechanical system that the said body of rod is removed, and then removes said cerul body through the heat mode.
8. discharge vessel manufacturing approach as claimed in claim 1; It is characterized in that: said external mold is made up of a lower module and upper module; Said lower module has one first groove, and said upper module has one second groove, and said first groove and said second engage grooves form said container cavity.
9. discharge vessel manufacturing approach as claimed in claim 1 is characterized in that: said material powder is the ceramic material powder.
10. discharge vessel manufacturing approach as claimed in claim 1 is characterized in that: after the step (5), carry out sintering through 1800 ℃ to 1900 ℃ hydrogen furnaces or vacuum furnace again.
11. a discharge vessel idiosome is characterized in that comprising: discharge vessel and cerul inner membrance;
Said discharge vessel is provided with electrode cavity, and said cerul inner membrance is contained in the said electrode cavity.
12. discharge vessel idiosome as claimed in claim 11 is characterized in that: the cerul body that said cerul internal mold comprises a body of rod and is fixed in the said body of rod.
13. discharge vessel idiosome as claimed in claim 12 is characterized in that: the said body of rod is a metallic rod.
14. discharge vessel idiosome as claimed in claim 12 is characterized in that: said cerul body mainly is made up of olefin material.
15. discharge vessel idiosome as claimed in claim 14 is characterized in that: said cerul body also comprises beeswax, stearic acid, oleic acid, rosin and high molecular polymer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106199434A CN102543623A (en) | 2010-12-31 | 2010-12-31 | Manufacturing method of discharge tube shell and discharge tube shell blank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106199434A CN102543623A (en) | 2010-12-31 | 2010-12-31 | Manufacturing method of discharge tube shell and discharge tube shell blank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102543623A true CN102543623A (en) | 2012-07-04 |
Family
ID=46350226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010106199434A Pending CN102543623A (en) | 2010-12-31 | 2010-12-31 | Manufacturing method of discharge tube shell and discharge tube shell blank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102543623A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103922754A (en) * | 2014-03-12 | 2014-07-16 | 沈阳三友照明科技有限公司 | Manufacturing method of ceramic tube |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0747518A (en) * | 1993-08-06 | 1995-02-21 | Miyagawa Kasei Ind Co Ltd | Production of ceramic hollow product |
| CN1827330A (en) * | 2001-04-17 | 2006-09-06 | 日本碍子株式会社 | Method of manufacturing molded body, slurry for molding, core for molding, method of manufacturing core for molding, hollow ceramic molded body, and light emitting container |
| CN1846959A (en) * | 2005-03-25 | 2006-10-18 | 奥斯兰姆施尔凡尼亚公司 | Apparatus, method for molding a ceramic discharge vessel and removing the core, and the core |
| CN200990368Y (en) * | 2006-03-15 | 2007-12-12 | 李伯林 | Deformed integrated ceramic tube for metal halide lamp |
| CN101088136A (en) * | 2004-10-26 | 2007-12-12 | 通用电气公司 | Integrally formed molded parts and method for making the same |
| CN101429012A (en) * | 2008-12-24 | 2009-05-13 | 沈阳爱尔创新材料有限公司 | Method for manufacturing ceramic metallic halogen lamp inner container and manufacturing mould thereof |
| CN101483125A (en) * | 2009-01-23 | 2009-07-15 | 谢灿生 | Manufacturing method for integrated liner of alumina ceramic metal halogen lamp |
| CN101602598A (en) * | 2008-06-13 | 2009-12-16 | 黄沛恩 | A kind of preparation method of ceramic lamp tube |
-
2010
- 2010-12-31 CN CN2010106199434A patent/CN102543623A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0747518A (en) * | 1993-08-06 | 1995-02-21 | Miyagawa Kasei Ind Co Ltd | Production of ceramic hollow product |
| CN1827330A (en) * | 2001-04-17 | 2006-09-06 | 日本碍子株式会社 | Method of manufacturing molded body, slurry for molding, core for molding, method of manufacturing core for molding, hollow ceramic molded body, and light emitting container |
| CN101088136A (en) * | 2004-10-26 | 2007-12-12 | 通用电气公司 | Integrally formed molded parts and method for making the same |
| CN1846959A (en) * | 2005-03-25 | 2006-10-18 | 奥斯兰姆施尔凡尼亚公司 | Apparatus, method for molding a ceramic discharge vessel and removing the core, and the core |
| CN200990368Y (en) * | 2006-03-15 | 2007-12-12 | 李伯林 | Deformed integrated ceramic tube for metal halide lamp |
| CN101602598A (en) * | 2008-06-13 | 2009-12-16 | 黄沛恩 | A kind of preparation method of ceramic lamp tube |
| CN101429012A (en) * | 2008-12-24 | 2009-05-13 | 沈阳爱尔创新材料有限公司 | Method for manufacturing ceramic metallic halogen lamp inner container and manufacturing mould thereof |
| CN101483125A (en) * | 2009-01-23 | 2009-07-15 | 谢灿生 | Manufacturing method for integrated liner of alumina ceramic metal halogen lamp |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103922754A (en) * | 2014-03-12 | 2014-07-16 | 沈阳三友照明科技有限公司 | Manufacturing method of ceramic tube |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP4316692A1 (en) | Method for preparing negative-pressure film-coated frozen sand mold | |
| CN106915966A (en) | A kind of preparation method of reaction sintering silicon carbide ceramic product | |
| CN203198052U (en) | One-step isostatic pressing forming die for stepped inner wall of alumina ceramic tube | |
| JP2004527874A (en) | How to form complex ceramic shapes | |
| CN101079365B (en) | Making method for integrated porcelain halogen electric arc tube shell | |
| CN102543623A (en) | Manufacturing method of discharge tube shell and discharge tube shell blank | |
| CN101433945A (en) | Secondary sand-shooting molding technique for casting sand core | |
| CN101483125A (en) | Manufacturing method for integrated liner of alumina ceramic metal halogen lamp | |
| CN101315858A (en) | Molybdenum strut of permatron and its production method | |
| CN108819107A (en) | A kind of rotor secondary injection mould and its moulding process | |
| CN206297097U (en) | A kind of Plastic injection mould for mobile phone shell for being easy to the demoulding | |
| CN101602598A (en) | A kind of preparation method of ceramic lamp tube | |
| CN211661020U (en) | Special mould for shell sand core | |
| CN211999456U (en) | Blow molding mold for producing hollow glass products | |
| CN103922754B (en) | A kind of manufacture method of ceramic cartridge | |
| CN209007908U (en) | A kind of plasthetics injection mold of achievable automatic demoulding | |
| CN205343688U (en) | Mould core prevent beat mechanism | |
| CN202291270U (en) | Blind riser with atmospheric pressure sand core | |
| CN104942296A (en) | Magnetic powder injection molding process and binder used therein | |
| CN207825300U (en) | A kind of optical lens die Vacuuming structure | |
| CN201506017U (en) | Improved structure for core of injection mold | |
| CN101630618A (en) | Integrated manufacturing method of ceramic metal halide lamp electric arc tube housing | |
| CN205398902U (en) | Multi -chamber curing oven is used in hard felt production of graphite | |
| CN208438911U (en) | Molding structure is quickly produced based on the cave number that CNC is precisely processed | |
| CN218080403U (en) | Metal powder injection molding concave-convex wheel die with one die and multiple cavities for heat engine nozzle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20120704 |