CN116006301A - Double-core metal carrier with variable-diameter wave band and manufacturing method thereof - Google Patents
Double-core metal carrier with variable-diameter wave band and manufacturing method thereof Download PDFInfo
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- CN116006301A CN116006301A CN202211599233.9A CN202211599233A CN116006301A CN 116006301 A CN116006301 A CN 116006301A CN 202211599233 A CN202211599233 A CN 202211599233A CN 116006301 A CN116006301 A CN 116006301A
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Abstract
The invention relates to a dual-core metal carrier with variable-diameter wave bands and a manufacturing method thereof, the dual-core metal carrier comprises a variable-diameter wave band and a standard wave band, the variable-diameter wave band comprises a low-wave high section and a high-wave high section, a plurality of layers of standard wave bands are arranged on at least one side of the low-wave high section, the low-wave high section and the standard wave band and the two layers of standard wave bands are separated by a short flat band, the wave height value of the high-wave high section is equal to the sum of the wave height value of the low-wave high section and the wave height value of a plurality of standard wave bands arranged on the side of the low-wave high section, one variable-diameter wave band and the plurality of layers of standard wave bands form a layer of wave band units, the adjacent two layers of wave band units are separated by a long flat band, the metal carrier is formed by rolling a plurality of layers of wave band units, the dual-core metal carrier with the variable-diameter wave bands and the manufacturing method thereof improve the problem of carrier back pressure, reduce material cost, realize diversification of products and additionally improve the heat resistance and thermal shock resistance performance of the metal carrier.
Description
Technical Field
The invention relates to a metal carrier, in particular to a double-core metal carrier with variable-diameter wave bands and a manufacturing method thereof.
Background
The metal carrier is mainly used for purifying tail gas of the fuel engine, and the tail gas has a certain contact area with the inner wall of the carrier when passing through the metal carrier so as to achieve the effect of purifying; while the carrier is required to have a certain strength to cope with thermal shock and thermal vibration environments during the running of the vehicle.
The wave bands adopted by the existing known metal carrier are all formed by adopting wave band winding with the same wave height, if the wave bands with different mesh numbers are adopted for winding, the wave bands are required to be pressed into a plurality of wave bands, the wave bands are combined together through a plurality of plates, and the wave bands can only be dispersed and can not be polymerized together after the wave bands are combined.
The current wavelength band has the following problems: 1) The back pressure is high; 2) The material cost is high; 3) Cannot adapt to diversified requirements; 4) The wave bands with different mesh numbers can only be formed by combining a plurality of sections of inner cores; 5) The carrier rolled by the existing wave band has low heat-resistant vibration and thermal shock strength.
Disclosure of Invention
In view of the foregoing drawbacks of the prior art, it is an object of the present invention to provide a dual core metal carrier with variable diameter wavelength band and a method of manufacturing the same, which solve one or more of the problems of the prior art.
In order to achieve the above purpose, the technical scheme of the invention is as follows:
the utility model provides a twin-core metal carrier with reducing wave band, includes reducing wave band and standard wave band, reducing wave band includes low wave altitude section and high wave altitude section, reducing wave band is located low wave altitude section one side at least sets up a plurality of layers of standard wave band, between low wave altitude section and the standard wave band and between two-layer standard wave band through short flat band separation, the wave altitude value of high wave altitude section equals the wave altitude value of low wave altitude section and the wave altitude value of a plurality of standard wave bands that low wave altitude section side set up sum, one reducing wave band and a plurality of layers of standard wave band constitute one deck wave band unit, separates through long flat band between two adjacent wave band units, a plurality of layers wave band unit rolls up into metal carrier.
As a further improvement of the above technical scheme:
the length of the standard wave band is the same as the length of the low wave high section of the variable-diameter wave band.
The low-wave high section is positioned in the middle of the variable-diameter wave band, and the high-wave high section is positioned at two ends of the variable-diameter wave band.
And standard wave bands are arranged on two sides of the variable-diameter wave band, which are positioned on the high section of the low wave.
The wave height value of the low wave height section of the variable-diameter wave band can be the same as the wave height value of the standard wave band.
The variable-diameter band, the standard band, the short flat band and the long flat band are all made of iron-chromium-aluminum materials.
A method for manufacturing a dual-core metal carrier with variable-diameter wave bands comprises the following steps:
1) Standard band and variable-diameter band manufacturing: processing standard wave bands with the same wave height by a stamping or rolling mode, and processing variable-diameter wave bands with low wave height sections and high wave height sections by a stamping or rolling mode;
2) Manufacturing a wave band unit: firstly, welding a short flat band on at least one side of a low-wave high section of a variable-diameter wave band, then welding one layer of standard wave band to the outer side of the short flat band, and welding and connecting multiple layers of standard wave bands through the short flat band;
3) Zone unit combination: the wave band units are connected through long flat belts in a welding way, and the outer sides of the two wave band units close to the outer sides are also connected with the long flat belts in a welding way;
4) Winding the corrugated strip: the wave bands formed by combining a plurality of wave band units penetrate between two rotating needles connected on a rotating disc, and the rotating disc is started to drive the two rotating needles to rotate around the center of the rotating disc, so that the wave bands can be rolled and formed;
5) Forming a metal carrier product: the rolled band is mounted in a housing to form a metal carrier product.
As a further improvement of the above technical scheme:
the variable-diameter wave band is formed by matching and stamping an upper die and a lower die with low-wave high-forming teeth and high-wave high-forming teeth.
The variable-diameter wave band is formed by rolling two wave pressing rollers with low-wave high-forming teeth and high-wave high-forming teeth.
And two sides of the variable-diameter wave band are connected with one layer of standard wave band through short flat band welding.
Compared with the prior art, the invention has the following beneficial technical effects:
1) The combination of variable-diameter wave bands with different wave heights and standard wave bands is adopted, so that the regular hole enlargement or reduction of one section of inner core from inside to outside is realized, and the back pressure in the running process of the vehicle is reduced;
2) The variable-diameter wave band has different two groups of wave height compositions, so that the combination of porous density is realized, and the diversified requirements of products are realized;
3) Through the combination of different wave heights of the variable-diameter wave bands, tail gas flow is mixed, and the use amount of the metal foil band can be reduced under the condition of ensuring the purification effect, so that the cost is reduced;
4) Different wave height combinations can be provided according to the requirements through the variable-diameter wave band, the use length of the wave band is reduced to a certain extent, and the thermal creep quantity of the carrier in the running process of the vehicle is reduced, so that the heat vibration resistance and the heat shock resistance of the carrier are improved.
Drawings
Fig. 1 shows a schematic structure of a twin-core metal carrier with variable-diameter wavelength bands of the present embodiment.
Fig. 2 shows a schematic structure of a dual-core metal carrier variable-diameter band having a variable-diameter band of the present embodiment.
Fig. 3 shows a schematic diagram of the rolling of the dual-core metal carrier with variable-diameter wavelength band of the present embodiment.
Fig. 4 shows a press die for processing a variable-diameter band of the present embodiment.
Fig. 5 shows a rolling die with a variable-diameter band of the present embodiment.
The reference numerals in the drawings:
1. variable diameter wave band; 11. a low wave high section; 12. a high wave high section; 2. standard wave band; 3. a short flat belt; 4. a long flat belt; 5. a turntable; 51. rotating the needle; 6. an upper die; 7. a lower die; 8. and a wave pressing roller.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the following more detailed description of the device according to the present invention is given with reference to the accompanying drawings and the detailed description. The advantages and features of the present invention will become more apparent from the following description. It should be noted that the drawings are in a very simplified form and are all to a non-precise scale, merely for the purpose of facilitating and clearly aiding in the description of embodiments of the invention. For a better understanding of the invention with objects, features and advantages, refer to the drawings. It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for illustration purposes only and should not be construed as limiting the invention to the extent that it would be understood by those skilled in the art, and that any structural modifications, proportional changes, or dimensional adjustments made in the drawings should not be construed as unduly limiting the invention, but rather as falling within the scope of the invention herein disclosed.
As shown in fig. 1 to 5, the dual-core metal carrier with variable-diameter band of the present embodiment includes a variable-diameter band 1 and a standard band 2, the variable-diameter band 1 includes a low-wave high-section 11 in the middle and high-wave high-sections 12 at two ends, the variable-diameter band 1 is provided with a layer of standard band 2 at two sides of the low-wave high-section 11, the length of the standard band 2 is the same as the length of the low-wave high-section 11 of the variable-diameter band 1, the low-wave high-section 11 and the standard band 2 are separated by a short flat band 3, the low-wave high-section 11 and the standard band 2 are connected by a short flat band 3 in a welding manner, the wave height value of the high-wave high-section 12 is equal to the sum of the wave height value of the low-wave high-section 11 and the wave height value of the two layers of standard band 2 arranged at two sides of the low-wave high-section 11, one variable-diameter band 1 and a plurality of layers of standard band 2 form a layer of band units, the adjacent two band units are separated by a long flat band 4, and a plurality of layer of band units are rolled into the metal carrier.
The wave height value of the low wave height section 11 of the variable-diameter wave band 1 may be the same as that of the standard wave band 2, or may be different from that of the standard wave band 2.
The variable-diameter band 1, the standard band 2, the short flat band 3 and the long flat band 4 are all made of iron-chromium-aluminum materials.
The manufacturing method of the dual-core metal carrier with the variable-diameter wave band of the embodiment comprises the following steps:
1) Standard band 2 and variable diameter band 1 manufacture: the standard wave band 2 with the same wave height is processed by a stamping or rolling mode, and the variable-diameter wave band 1 with the low wave high section 11 and the high wave high section 12 is processed by a stamping or rolling mode;
2) Manufacturing a wave band unit: firstly, welding a short flat band 3 on at least one side of a low-wave high section 11 of a variable-diameter wave band 1, then welding one layer of standard wave bands 2 on the outer side of the short flat band 3, and welding and connecting multiple layers of standard wave bands 2 through the short flat band 3;
3) Zone unit combination: the wave band units are welded and connected through a long flat band 4, and the outer sides of the two wave band units near the outer sides are also welded and connected with the long flat band 4;
4) Winding the corrugated strip: the wave bands formed by combining a plurality of wave band units penetrate between two rotating needles 51 connected on the rotating disc 5, and the rotating disc 5 is started to drive the two rotating needles 51 to rotate around the center of the rotating disc 5, so that the wave bands can be rolled and formed;
5) Forming a metal carrier product: the rolled band is mounted in a housing to form a metal carrier product.
The variable-diameter wave band 1 is formed by stamping an upper die 6 and a lower die 7 with low-wave high-forming teeth and high-wave high-forming teeth in a matched mode, and the standard wave band 2 can also be formed by stamping the low-wave high-forming teeth of the upper die 6 and the lower die 7, so that the wave height value of the standard wave band 2 is the same as that of the low-wave high-section 11 of the variable-diameter wave band 1.
The variable-diameter wave band 1 is also formed by rolling two wave pressing rollers 8 with low wave height forming teeth and high wave height forming teeth, and the standard wave band 2 can also be formed by rolling low wave height forming teeth sections of the two wave pressing rollers 8, so that the wave height values of the standard wave band 2 and the low wave height section 11 of the variable-diameter wave band 1 are the same.
In the twin-core metal carrier with variable-diameter wave band in the embodiment, the wave height value of the low wave height section 11 of the variable-diameter wave band 1 is 0.8mm, the wave height value of the high wave height section 12 is 2.4mm, the wave height value of the standard wave band 2 is 2.4mm, and after being rolled by the two rotating needles 51 on the rotating disc 5, the twin-core metal carrier with the combination of 600 meshes of the inner ring and 100 meshes of the outer ring is formed.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above examples illustrate only a few embodiments of the invention, which are described in detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which shall fall within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (10)
1. A twin-core metal carrier having a variable diameter band, characterized by: the variable-diameter wave band comprises a low-wave high section and a high-wave high section, wherein a plurality of layers of standard wave bands are arranged on at least one side of the low-wave high section, the low-wave high section and the standard wave bands and the two layers of standard wave bands are separated by a short flat band, the wave height value of the high-wave high section is equal to the sum of the wave height value of the low-wave high section and the wave height value of a plurality of standard wave bands arranged on the side of the low-wave high section, one wave band unit is formed by the variable-diameter wave band and the plurality of layers of standard wave bands, the adjacent two wave band units are separated by a long flat band, and the wave band units are coiled into the metal carrier.
2. The dual core metal carrier having a variable diameter band of claim 1, wherein: the length of the standard wave band is the same as the length of the low wave high section of the variable-diameter wave band.
3. The dual core metal carrier having a variable diameter band of claim 1, wherein: the low-wave high section is positioned in the middle of the variable-diameter wave band, and the high-wave high section is positioned at two ends of the variable-diameter wave band.
4. The dual core metal carrier having a variable diameter band of claim 1, wherein: and standard wave bands are arranged on two sides of the variable-diameter wave band, which are positioned on the high section of the low wave.
5. The dual core metal carrier having a variable diameter band of claim 1, wherein: the wave height value of the low wave height section of the variable-diameter wave band can be the same as the wave height value of the standard wave band.
6. The dual core metal carrier having a variable diameter band of claim 1, wherein: the variable-diameter band, the standard band, the short flat band and the long flat band are all made of iron-chromium-aluminum materials.
7. A method for manufacturing a dual-core metal carrier with variable-diameter wave bands comprises the following steps:
1) Standard band and variable-diameter band manufacturing: processing standard wave bands with the same wave height by a stamping or rolling mode, and processing variable-diameter wave bands with low wave height sections and high wave height sections by a stamping or rolling mode;
2) Manufacturing a wave band unit: firstly, welding a short flat band on at least one side of a low-wave high section of a variable-diameter wave band, then welding one layer of standard wave band to the outer side of the short flat band, and welding and connecting multiple layers of standard wave bands through the short flat band;
3) Zone unit combination: the wave band units are connected through long flat belts in a welding way, and the outer sides of the two wave band units close to the outer sides are also connected with the long flat belts in a welding way;
4) Winding the corrugated strip: the wave bands formed by combining a plurality of wave band units penetrate between two rotating needles connected on a rotating disc, and the rotating disc is started to drive the two rotating needles to rotate around the center of the rotating disc, so that the wave bands can be rolled and formed;
5) Forming a metal carrier product: the rolled band is mounted in a housing to form a metal carrier product.
8. The method for manufacturing a twin-core metal carrier having a variable-diameter band according to claim 7, wherein: the variable-diameter wave band is formed by matching and stamping an upper die and a lower die with low-wave high-forming teeth and high-wave high-forming teeth.
9. The method for manufacturing a twin-core metal carrier having a variable-diameter band according to claim 7, wherein: the variable-diameter wave band is formed by rolling two wave pressing rollers with low-wave high-forming teeth and high-wave high-forming teeth.
10. The method for manufacturing a twin-core metal carrier having a variable-diameter band according to claim 7, wherein: and two sides of the variable-diameter wave band are connected with one layer of standard wave band through short flat band welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211599233.9A CN116006301A (en) | 2022-12-12 | 2022-12-12 | Double-core metal carrier with variable-diameter wave band and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211599233.9A CN116006301A (en) | 2022-12-12 | 2022-12-12 | Double-core metal carrier with variable-diameter wave band and manufacturing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116006301A true CN116006301A (en) | 2023-04-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211599233.9A Pending CN116006301A (en) | 2022-12-12 | 2022-12-12 | Double-core metal carrier with variable-diameter wave band and manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116006301A (en) |
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2022
- 2022-12-12 CN CN202211599233.9A patent/CN116006301A/en active Pending
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