CN104999056A - Efficient electrode graphite high-frequency vacuum target-casting furnace - Google Patents
Efficient electrode graphite high-frequency vacuum target-casting furnace Download PDFInfo
- Publication number
- CN104999056A CN104999056A CN201510490035.2A CN201510490035A CN104999056A CN 104999056 A CN104999056 A CN 104999056A CN 201510490035 A CN201510490035 A CN 201510490035A CN 104999056 A CN104999056 A CN 104999056A
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- Prior art keywords
- bell jar
- base plate
- mould
- target
- hole
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- 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.)
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Links
- 238000005266 casting Methods 0.000 title claims abstract description 24
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 15
- 229910002804 graphite Inorganic materials 0.000 title claims abstract description 15
- 239000010439 graphite Substances 0.000 title claims abstract description 15
- 238000007789 sealing Methods 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 22
- 238000007493 shaping process Methods 0.000 claims description 9
- 238000007531 graphite casting Methods 0.000 claims description 8
- 230000006698 induction Effects 0.000 claims description 7
- 244000144985 peep Species 0.000 claims description 4
- 239000000498 cooling water Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 2
- 238000010030 laminating Methods 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000006392 deoxygenation reaction Methods 0.000 abstract 1
- 230000001939 inductive effect Effects 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 239000002196 Pyroceram Substances 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012943 hotmelt Substances 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 239000011819 refractory material Substances 0.000 description 2
- 238000007664 blowing Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000010257 thawing Methods 0.000 description 1
Landscapes
- General Induction Heating (AREA)
- Furnace Details (AREA)
Abstract
The invention relates to the field of processing of defectoscope components, in particular to an efficient electrode graphite high-frequency vacuum target-casting furnace which comprises a bell jar and a base plate, wherein the bottom of the bell jar is open; the bell jar is placed above the base plate; a sealing gasket is arranged at the adhering part of the base plate and the bell jar; a high temperature resistant base is arranged at the part, positioned in the bell jar, above the base plate; a ring-shaped cylindrical graphite target-casting mould is arranged above the high temperature resistant base; a plurality of forming blind holes are formed in the periphery along the annular top surface of the mould; a processed anode target is placed in each forming blind hole; an exhaust through hole is formed in the bottom of each forming blind hole; a thermocouple is mounted at the center of the inner circle of the mould; a high-frequency inductive coil is wound outside the mould; the outer cover of the bell jar is welded onto a rotary lifting bracket; a through hole is formed in the base plate, and the base plate is connected with a vacuumizing system. According to the invention, the heat source utilization ratio is high, the maintenance ratio is extremely low, the deoxygenation of the anode target is facilitated, and the forming quality of the anode target is improved, so that the furnace can be widely applied to the field of processing of defectoscope components.
Description
Technical field
The present invention relates to defectoscope parts machining field, specifically a kind of high-efficient electrode graphite high-frequency vacuum casting target stove.
Background technology
Plate target is the vitals in defectoscope parts machining field, and the mode of heating of plate target and the making of casting target mould are one of key technologies determining plate target quality.In the heating of plate target, in traditional casting target technique, casting target stove is generally adopt resistance wire as thermal source, in plate target casting process, hot melt is carried out owing to needing high temperature antianode target, resistance wire works under often needing to be in the condition of high temperature for a long time, self service life is significantly shortened, so that blows; Meanwhile, because resistance wire is heated by the indirect antianode target of thermal-radiating mode, thermal source utilization rate is also lower.In addition, because resistance wire is heated by refractory insulation, refractory-material dies also may be out of shape because of blowing of resistance wire or damage, and considerably increases the maintenance cost of plate target Casting Equipment and also can badly influence normal production operation.
In the Mold Making of casting target, the mould of current use mostly is square or strip, the mould of this shape can cause heating process Anodic target local heating uneven, occurs the phenomenon that the thawing speed of same plate target different parts is inconsistent affecting plate target castability.
Summary of the invention
In order to the disadvantage such as to solve that conventional anode target manufacture field resistance wire easily blows, thermal source utilization rate is low and refractory material is yielding and plate target is heated uneven, the invention provides a kind of high-efficient electrode graphite high-frequency vacuum casting target stove, reduce the production cost of plate target manufacture field, improve plate target castability and operating efficiency.
The technical solution used in the present invention is specially: a kind of high-efficient electrode graphite high-frequency vacuum casting target stove, there is a bell jar and base plate, it is characterized in that: for uncovered bottom described bell jar, bell jar is placed in above base plate, described base plate and laminating position, bell jar bottom surface are provided with sealing gasket, be positioned at bell jar above base plate and have a high temperature resistant base, a graphite casting target mould is had above high temperature resistant base, this mould is annular cylinder, and within one week, have several shaping blind holes along annular top surface, a processed plate target is all placed in each shaping blind hole, and blind via bottom all has an exhaust hole, mould inner circle centre is provided with thermocouple, be connected with temperature control system, the coiling of mould periphery has a radio-frequency induction coil, its terminals are connected with high frequency electric source, described base plate has a through hole, and be connected with pumped vacuum systems.
Bell jar of the present invention has double casing body structure, bottom bell jar cover wall, there is base, between the outer cover of bell jar and inner cover, cooling water is housed, there is a water inlet A below of outer cover, there is a water outlet A on the top of outer cover, be connected by flexible pipe between water inlet A with water outlet A, cover upper is furnished with a peep hole.
Bell jar of the present invention is welded on a rotation and lifting support, and this support is made up of whirligig and lowering or hoisting gear two parts, and whirligig is welded with bell jar by a connection piece, and is sleeved on the top of lowering or hoisting gear.
There is a tank below that base plate interior of the present invention is positioned at sealing gasket, there is water inlet B and water outlet B, and connected by flexible pipe, outside base plate being positioned at sealing gasket has several installing holes, carry out installation with workbench be connected to facilitate, base plate all adopts vacuum seal insulating joint to be connected with temperature control system and high frequency electric source.
The signal input part of temperature control system of the present invention is connected with thermocouple, and signal output part is connected with high frequency electric source, forms negative-feedback to high frequency electric.
Compare traditional casting target stove, Advantages found of the present invention exists:
1. the present invention adopts radio-frequency induction coil to carry out high-frequency heating, high frequency electric acts directly on plate target and produces heat, complete the founding of plate target, in whole process, plate target is main heater, and casting other positions of target stove generate heat hardly, thermal source utilization rate can reach more than 80%, meanwhile, casting target stove self maintenance rate is also extremely low, reduces production cost;
2. the present invention adopts annular cylinder to cast target mould, avoids the problem that rectangular cylinder mold heated Anodic target local heating is uneven, and annular cylinder mould is conducive to forming high frequency short circuit ring, improves heating efficiency;
3. the present invention adopts graphite to make casting target mould, makes mould have stronger reproducibility, contributes to plate target self and carry out deoxidation, improve plate target Forming Quality; In addition, graphite also has good thermal conductivity and stronger resistance to temperature impact property, and after plate target hot melt, also not easily stick together with mould phenomenon.
Accompanying drawing explanation
Fig. 1 is profile of the present invention;
Fig. 2 is the top view of graphite casting target mould in the present invention;
Fig. 3 is the A-A face sectional view of graphite casting target mould in the present invention.
In figure: 1-bell jar, 2-base plate, 3-base, 4-sealing gasket, 5-is high temperature resistant base, 6-graphite casting target mould, the shaping blind hole of 7-, 8-exhaust hole, 9-thermocouple, 10-temperature control system, 11-radio-frequency induction coil, 12-high frequency electric source, 13-vacuum seal insulating joint, 14-outer cover, 15-inner cover, 16-water inlet A, 17-water outlet A, 18-peep hole, 19-pyroceram, 20-connector, 21-axle sleeve, 22-vertical rod, 23-bearing, 24-plane bearing, 25-tubular support seat, 26-workbench, 27-worm type of reduction gearing, 28-power shaft, 29-output shaft, 30-handle, 31-gear, 32-tooth bar, 33-tank, 34-water inlet B, 35-water outlet B, 36-installing hole, 37-connector.
Detailed description of the invention
In the present embodiment, see Fig. 1-Fig. 3, a kind of electrode graphite high-frequency vacuum casting target stove, there is a bell jar 1 and base plate 2, be uncovered bottom bell jar 1, bottom bell jar 1 cover wall, there is base 3, bell jar 1 is placed in above base plate 2 by base 3, base plate 2 and base 3 position of fitting has sealing gasket 4, be positioned at bell jar 1 above base plate 2 and have a high temperature resistant base 5, an annular cylinder graphite casting target mould 6 is had above high temperature resistant base 5, this mould has several shaping blind holes 7 for one week along annular top surface, the plate target that in each shaping blind hole 7, placement one is processed, an exhaust hole 8 is all had bottom shaping blind hole 7, ring-type inner circle centre is provided with thermocouple 9, be connected with temperature control system 10, the periphery coiling of graphite casting target mould 6 has a radio-frequency induction coil 11, its terminals are connected with high frequency electric source 12, in addition, base plate 2 also has a through hole, and be connected with pumped vacuum systems by a connector 37, ensure that casting target process middle bell jar 1 inside is vacuum state.
Described bell jar 1 has double casing body structure, between the outer cover 14 of bell jar 1 and inner cover 15, cooling water is housed, there is a water inlet A 16 below of outer cover 12, there is a water outlet A 17 on the top of outer cover 12, be connected by flexible pipe between water inlet A 16 with water outlet A 17, be furnished with a peep hole 18 above outer cover 14, peep hole 18 is provided with pyroceram 19 in hole.
Described bell jar 1 is connected with a rotation and lifting support, this rotation and lifting support is made up of whirligig and lowering or hoisting gear, whirligig comprises vertical rod 22, axle sleeve 21 and bearing 23, lowering or hoisting gear comprises vertical rod 22, gear 31, worm-gear speed reducer 27 and handle 30, concrete structure is: vertical rod 22 upper end is the thin bar that diameter is less, lower end is the thick bar that diameter is larger, axle sleeve 21 is welded with bell jar 1 by connector 20, axle sleeve about 21 two ends all have counterbore, counterbore is built with bearing 23, and be sleeved in the thin bar of vertical rod 22 upper end, between axle sleeve 21 and vertical rod 22 lower end thick bar, plane bearing 24 is housed, the side of vertical rod 22 lower end thick bar part has tooth bar 32, and engage with gear 31, the power shaft 28 of worm-gear speed reducer 27 is connected with handle 30 and gear 31 respectively with output shaft 29, the top that this rotation and lifting support is positioned at workbench 26 is also provided with a tubular support seat 25, and its internal diameter is consistent with thick bar diameter, can prevent the double swerve in the use procedure of rotation and lifting support.
There is a tank 33 below that described base plate 2 inside is positioned at sealing gasket 4, there is water inlet B 34 and water outlet B 35, and connected by flexible pipe, outside base plate 2 being positioned at sealing gasket 4 has several installing holes 36, base plate 2 all adopts vacuum seal insulating joint 13 to be connected with temperature control system 10 and high frequency electric source 12, to ensure the vacuum state of bell jar 1 inside.
The present invention in use, by rotation and lifting support, bell jar 1 is raised rotation to appropriate location, expose graphite casting target mould 6, and plate target is placed in the shaping blind hole 7 on mould, and then utilize rotation and lifting support again bell jar 1 to be adjusted to original position, start pumped vacuum systems, bell jar 1 inside is made to form airtight vacuum state, open high frequency electric source 12 and temperature control system 10, the eddy current antianode target utilizing radio-frequency induction coil 11 to produce heats, utilize thermocouple 9 to gather the temperature signal of plate target in heating process simultaneously, temperature control system 10 passes through A/D converter, temperature signal is converted into data signal, and be passed to high frequency electric source 12, when temperature is too high, reduce high frequency electric source output current, reduce the strength of vortex that radio-frequency induction coil 11 produces, thus reduce the temperature of plate target, vice versa, thus ensure that the processing temperature of plate target maintains in best temperature range all the time.
Claims (5)
1. a high-efficient electrode graphite high-frequency vacuum casting target stove, there is a bell jar and base plate, it is characterized in that: for uncovered bottom described bell jar, bell jar is placed in above base plate, described base plate and laminating position, bell jar bottom surface are provided with sealing gasket, be positioned at bell jar above base plate and have a high temperature resistant base, a graphite casting target mould is had above high temperature resistant base, this mould is annular cylinder, and within one week, have several shaping blind holes along annular top surface, a processed plate target is all placed in each shaping blind hole, and blind via bottom all has an exhaust hole, mould inner circle centre is provided with thermocouple, be connected with temperature control system, the coiling of mould periphery has a radio-frequency induction coil, its terminals are connected with high frequency electric source, described base plate has a through hole, and be connected with pumped vacuum systems.
2. a kind of electrode graphite high-frequency vacuum casting target stove according to claim 1, it is characterized in that: described bell jar has double casing body structure, bottom bell jar cover wall, there is base, between the outer cover of bell jar and inner cover, cooling water is housed, there is a water inlet A below of outer cover, there is a water outlet A on the top of outer cover, is connected between water inlet A with water outlet A by flexible pipe, and cover upper is furnished with a peep hole.
3. a kind of electrode graphite high-frequency vacuum casting target stove according to claim 1, it is characterized in that: described bell jar is welded on a rotation and lifting support, this support is made up of whirligig and lowering or hoisting gear two parts, whirligig is welded with bell jar by a connection piece, and is sleeved on the top of lowering or hoisting gear.
4. a kind of electrode graphite high-frequency vacuum casting target stove according to claim 1, it is characterized in that: there is a tank below that described base plate interior is positioned at sealing gasket, there is water inlet B and water outlet B, and connected by flexible pipe, outside base plate being positioned at sealing gasket has several installing holes, carry out installation with workbench be connected to facilitate, base plate all adopts vacuum seal insulating joint to be connected with temperature control system and high frequency electric source.
5. a kind of electrode graphite high-frequency vacuum casting target stove according to claim 1, is characterized in that: the signal input part of temperature control system is connected with thermocouple, and signal output part is connected with high frequency electric source, forms negative-feedback to high frequency electric.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510490035.2A CN104999056B (en) | 2015-08-12 | 2015-08-12 | A kind of electrode graphite high-frequency vacuum casting target stove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510490035.2A CN104999056B (en) | 2015-08-12 | 2015-08-12 | A kind of electrode graphite high-frequency vacuum casting target stove |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104999056A true CN104999056A (en) | 2015-10-28 |
| CN104999056B CN104999056B (en) | 2016-10-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510490035.2A Active CN104999056B (en) | 2015-08-12 | 2015-08-12 | A kind of electrode graphite high-frequency vacuum casting target stove |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB618824A (en) * | 1945-11-13 | 1949-02-28 | British Thomson Houston Co Ltd | Improvements in and relating to methods of casting electrodes for x-ray tubes and casting moulds therefor |
| CN1344189A (en) * | 1999-03-22 | 2002-04-10 | 阿萨科公司 | Casting of high purity oxygen free copper |
| JP2012236212A (en) * | 2011-05-12 | 2012-12-06 | Japan Steel Works Ltd:The | Consumable electrode for electroslag remelting and method for manufacturing the same |
| CN103658605A (en) * | 2013-11-26 | 2014-03-26 | 无锡日联科技有限公司 | Casting method and device for closed type glass x-ray fixed oxygen-free copper anode target |
| CN204912725U (en) * | 2015-08-12 | 2015-12-30 | 湖北省大冶市探伤机厂 | High -efficient electrode graphite high frequency casting target in vacuum stove |
-
2015
- 2015-08-12 CN CN201510490035.2A patent/CN104999056B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB618824A (en) * | 1945-11-13 | 1949-02-28 | British Thomson Houston Co Ltd | Improvements in and relating to methods of casting electrodes for x-ray tubes and casting moulds therefor |
| CN1344189A (en) * | 1999-03-22 | 2002-04-10 | 阿萨科公司 | Casting of high purity oxygen free copper |
| JP2012236212A (en) * | 2011-05-12 | 2012-12-06 | Japan Steel Works Ltd:The | Consumable electrode for electroslag remelting and method for manufacturing the same |
| CN103658605A (en) * | 2013-11-26 | 2014-03-26 | 无锡日联科技有限公司 | Casting method and device for closed type glass x-ray fixed oxygen-free copper anode target |
| CN204912725U (en) * | 2015-08-12 | 2015-12-30 | 湖北省大冶市探伤机厂 | High -efficient electrode graphite high frequency casting target in vacuum stove |
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| Publication number | Publication date |
|---|---|
| CN104999056B (en) | 2016-10-19 |
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| C14 | Grant of patent or utility model | ||
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| CP03 | Change of name, title or address |
Address after: 435100, Hubei, Huangshi province Daye Luo Bridge Street office, Lake Road, No. 4 Patentee after: Daye flaw detector Co., Ltd. Address before: 435100 Huangshi, Daye, Luo Bridge Industrial Park, Hong Kong Road Patentee before: HUBEI DAYE FLAW DETECTOR FACTORY |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Electrode graphite high-frequency vacuum target-casting furnace Effective date of registration: 20200109 Granted publication date: 20161019 Pledgee: Daye SME Financing Guarantee Co., Ltd Pledgor: Daye flaw detector Co., Ltd. Registration number: Y2020980000066 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20201229 Granted publication date: 20161019 Pledgee: Daye SME Financing Guarantee Co.,Ltd. Pledgor: Daye Flaw Detector Co.,Ltd. Registration number: Y2020980000066 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A high frequency vacuum target casting furnace for graphite electrode Effective date of registration: 20210108 Granted publication date: 20161019 Pledgee: Daye SME Financing Guarantee Co.,Ltd. Pledgor: Daye Flaw Detector Co.,Ltd. Registration number: Y2021980000193 |
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