CN204125488U - A kind of high frequency tempering unit of electrical equipment inner bag - Google Patents
A kind of high frequency tempering unit of electrical equipment inner bag Download PDFInfo
- Publication number
- CN204125488U CN204125488U CN201420525532.2U CN201420525532U CN204125488U CN 204125488 U CN204125488 U CN 204125488U CN 201420525532 U CN201420525532 U CN 201420525532U CN 204125488 U CN204125488 U CN 204125488U
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- CN
- China
- Prior art keywords
- high frequency
- case lid
- casing
- inner bag
- electrical equipment
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- Expired - Fee Related
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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Abstract
The utility model relates to a kind of high frequency tempering unit of electrical equipment inner bag, comprise casing and ratio-frequency heating pipe, the inside of described casing is provided with one or more helically ratio-frequency heating pipes of arranging of plate-like, the upper end of described casing is furnished with case lid, the lower end of described casing and the middle part of case lid are all vertically fitted with the inlet pipe of external nitrogen, and the upper end of described ratio-frequency heating pipe is furnished with product frame plate.The utility model structure is simple, utilizes nitrogen to be filled in casing and discharges oxygen, make product carry out high frequency tempering when anaerobic, effectively prevent the appearance of metal oxide layer.
Description
Technical field
The utility model relates to high frequency tempering heat treatment field, particularly relates to a kind of high frequency tempering unit of electrical equipment inner bag.
Background technology
At some as soybean milk maker, mostly the kitchen appliance of electric cooking pot etc. or the inner bag of small electric apparatus are stainless steel stretched shaping, all tempering heat treatment will be carried out after drawing and forming, existing tempering process generally has two kinds, one is heated to 1150 DEG C in high tempering stove, one is also had to be high frequency tempering, the principle of high frequency tempering is that the high frequency big current of high frequency flows to and turned to the heater coil of ring-type or other shape (normally making of copper tube), the strong flux of polarization instantaneous variation in coil thus, the heating objects such as metal are placed in coil, flux will through whole heating object, in the direction that the inside of heating object is contrary with heating current, just corresponding very large eddy current can be produced, owing to there is resistance in heating object, so a lot of joule heatings can be produced, the temperature of object self is made to increase rapidly, reach the object that all metallic substance are heated, it is high that high frequency tempering has heating efficiency, speed is fast, the advantages such as less energy-consumption, be widely used.
But any in above-mentioned two kinds of tempering process all can carry out the different metal oxide layer of color on the surface of product, have a strong impact on outward appearance, polishing process must be increased in the later stage, but polishing process is certain to make the wall thickness of product thinning, affect the performance of product, only have and carry out tempering in the absence of oxygen and just can not produce metal oxide layer, how realizing oxygen to discharge is a difficult problem, does not also have the device of similar function in actual applications.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of high frequency tempering unit of electrical equipment inner bag, structure is simple, utilize nitrogen to be filled in casing and discharge oxygen, make product carry out high frequency tempering when anaerobic, effectively prevent the appearance of metal oxide layer.
The utility model solves the technical scheme that its technical problem adopts: the high frequency tempering unit providing a kind of electrical equipment inner bag, comprise casing and ratio-frequency heating pipe, the inside of described casing is provided with one or more helically ratio-frequency heating pipes of arranging of plate-like, the upper end of described casing is furnished with case lid, the lower end of described casing and the middle part of case lid are all vertically fitted with the inlet pipe of external nitrogen, and the upper end of described ratio-frequency heating pipe is furnished with product frame plate.
During use, product is placed on the middle part of the ratio-frequency heating pipe that helically plate-like is arranged, the surrounding of product surround by ratio-frequency heating pipe, the upper end of product is supported by product frame plate, first pass into nitrogen from the lower end of casing by inlet pipe, oxygen in casing is discharged, then case lid is covered, from the inlet pipe at upper and lower two ends simultaneously to nitrogen injection in casing, nitrogen is full of whole casing, in ratio-frequency heating pipe, passes into high frequency big current, product is heated, generation tempering is reacted, and the surface of product oxidizing reaction can not occur.
Supplement as one of the present utility model, there is sealed structure described case lid lower surface along edge placement, prevents nitrogen in reaction process from letting out from casing.
As to above-mentioned supplementary a kind of preferred version, described sealed structure comprises the sealed strip being embedded into case lid lower surface and some the raised ribs be arranged in along opposite position on casing, and when case lid closes, raised ribs is embedded in sealed strip, good sealing effect.
Supplement as the utility model one, the two ends, upside of described case lid are symmetrically installed with suspension ring, facilitate case lid to lift.
Preferably another kind of as the utility model, described ratio-frequency heating pipe is copper tube, and the size of spiral dish type that it is coiled into and the outside dimension of product match, and is suitable for and difform product.
beneficial effect
The utility model relates to a kind of high frequency tempering unit of electrical equipment inner bag, and structure is simple, utilizes nitrogen to be filled in casing and discharges oxygen, make product carry out high frequency tempering when anaerobic, effectively prevent the appearance of metal oxide layer.
Accompanying drawing explanation
Fig. 1 is three-dimensional structure diagram of the present utility model;
Fig. 2 is local structure enlarged view of the present utility model.
Embodiment
Below in conjunction with specific embodiment, set forth the utility model further.Should be understood that these embodiments are only not used in restriction scope of the present utility model for illustration of the utility model.In addition should be understood that those skilled in the art can make various changes or modifications the utility model, and these equivalent form of values fall within the application's appended claims limited range equally after the content of having read the utility model instruction.
As shown in Figure 1-2, embodiment of the present utility model relates to a kind of high frequency tempering unit of electrical equipment inner bag, comprise casing 1 and ratio-frequency heating pipe 3, the inside of described casing 1 is provided with one or more helically ratio-frequency heating pipes 3 of arranging of plate-like, the upper end of described casing 1 is furnished with case lid 6, the lower end of described casing 1 and the middle part of case lid 6 are all vertically fitted with the inlet pipe 2 of external nitrogen, and the upper end of described ratio-frequency heating pipe 3 is furnished with product frame plate 7.
There is sealed structure 5 described case lid 6 lower surface along edge placement, prevents nitrogen in reaction process from letting out from casing 1.
Described sealed structure 5 comprises the sealed strip 51 being embedded into case lid 6 lower surface and some the raised ribs 52 be arranged in along opposite position on casing 1, and when case lid 6 closes, raised ribs 52 is embedded in sealed strip 51, good sealing effect.
The two ends, upside of described case lid 6 are symmetrically installed with suspension ring 4, facilitate case lid 6 to lift.
Described ratio-frequency heating pipe 3 is copper tube, and the size of spiral dish type that it is coiled into and the outside dimension of product match, and is suitable for and difform product.
Embodiment
During use, product is placed on the middle part of the ratio-frequency heating pipe 3 that helically plate-like is arranged, the surrounding of product surround by ratio-frequency heating pipe 3, the upper end of product is supported by product frame plate 7, first pass into nitrogen from the lower end of casing 1 by inlet pipe 2, oxygen in casing 1 is discharged, then case lid 6 is covered, from the inlet pipe 2 at upper and lower two ends simultaneously to nitrogen injection in casing 1, nitrogen is full of whole casing 1, in ratio-frequency heating pipe 3, passes into high frequency big current, product is heated, generation tempering is reacted, and the surface of product oxidizing reaction can not occur.
Claims (5)
1. the high frequency tempering unit of an electrical equipment inner bag, comprise casing (1) and ratio-frequency heating pipe (3), it is characterized in that, the inside of described casing (1) is provided with one or more helically ratio-frequency heating pipes (3) of arranging of plate-like, the upper end of described casing (1) is furnished with case lid (6), the lower end of described casing (1) and the middle part of case lid (6) are all vertically fitted with the inlet pipe (2) of external nitrogen, and the upper end of described ratio-frequency heating pipe (3) is furnished with product frame plate (7).
2. the high frequency tempering unit of electrical equipment inner bag according to claim 1, is characterized in that: there is sealed structure (5) described case lid (6) lower surface along edge placement.
3. the high frequency tempering unit of electrical equipment inner bag according to claim 2, it is characterized in that: described sealed structure (5) comprises the sealed strip (51) being embedded into case lid (6) lower surface and some the raised ribs (52) be arranged in along opposite position on casing (1), and when case lid (6) closes, raised ribs (52) is embedded in sealed strip (51).
4. according to the high frequency tempering unit of the electrical equipment inner bag in claim 1-3 described in any one, it is characterized in that: the two ends, upside of described case lid (6) are symmetrically installed with suspension ring (4).
5. the high frequency tempering unit of electrical equipment inner bag according to claim 1, is characterized in that: described ratio-frequency heating pipe (3) is copper tube, and the size of spiral dish type that it is coiled into and the outside dimension of product match.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420525532.2U CN204125488U (en) | 2014-09-12 | 2014-09-12 | A kind of high frequency tempering unit of electrical equipment inner bag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420525532.2U CN204125488U (en) | 2014-09-12 | 2014-09-12 | A kind of high frequency tempering unit of electrical equipment inner bag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204125488U true CN204125488U (en) | 2015-01-28 |
Family
ID=52381860
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420525532.2U Expired - Fee Related CN204125488U (en) | 2014-09-12 | 2014-09-12 | A kind of high frequency tempering unit of electrical equipment inner bag |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204125488U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110388463A (en) * | 2019-07-09 | 2019-10-29 | 中国航发哈尔滨东安发动机有限公司 | A kind of rubber sealing device of adjustable decrement |
-
2014
- 2014-09-12 CN CN201420525532.2U patent/CN204125488U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110388463A (en) * | 2019-07-09 | 2019-10-29 | 中国航发哈尔滨东安发动机有限公司 | A kind of rubber sealing device of adjustable decrement |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150128 Termination date: 20160912 |