CN105161815A - Method for preparing rectangular waveguide - Google Patents
Method for preparing rectangular waveguide Download PDFInfo
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- CN105161815A CN105161815A CN201510497068.XA CN201510497068A CN105161815A CN 105161815 A CN105161815 A CN 105161815A CN 201510497068 A CN201510497068 A CN 201510497068A CN 105161815 A CN105161815 A CN 105161815A
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- rectangular waveguide
- base pipe
- tringle
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- method preparing
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Abstract
The invention discloses a method for preparing rectangular waveguide. The method comprises that (a) a first die rod (4) is arranged at one end of a cavity of a billet pipe (3); (b) the billet pipe (3) is extruded by an outside force so that the inner wall of the billet pipe (3) makes close contact with the external surface of the first die rod (4); (c) a second die rod (5) is arranged at the other end of the cavity of the billet pipe (3); (d) a clamping die is arranged at the external surface of the cavity of the billet pipe (3); (e) the first die rod (4) is fixed, the billet pipe (3) is drawn to move towards the end of the second die rod (5), and a blank member of the rectangular waveguide is formed; and (f) the blank member of the rectangular waveguide is intercepted and processed to form the rectangular waveguide. The preparation method is simple in operation, avoids influence on the precision of the rectangular waveguide in the welding process, and improves the production efficiency of the rectangular waveguide.
Description
Technical field
The present invention relates to a kind of method preparing rectangular waveguide.
Background technology
Along with microwave electronics and Terahertz the reach of science, electromagnetic investigation and application field has expanded to millimeter wave, submillimeter wave even Terahertz frequency range.Because short wavelength's electromagnetic wave loss is in an atmosphere comparatively large, distance directional transmissions cannot be grown, and engineer applied proposes day by day urgent requirement for the electromagnetic directional transmissions of short wavelength.Therefore, actively develop and be extremely important for the electromagnetic research of short wavelength.Short wavelength's electromagnetic wave and the THz wave directional transmissions device of current research mainly comprise the waveguide of Terahertz metal wire, wire chamber waveguide, parallel flat waveguide and dielectric waveguide.Wherein wire chamber waveguide is current theoretical maturity the highest, most widely used electromagnetic wave directional transmissions passive device, and its production technique also becomes one of key technology of restriction short millimeter wave and THz wave application.
Electromagnetic wavelength is shorter, its transmission required by wire chamber rectangular waveguide bore less, simultaneously in order to reduce the ohmic loss caused because of skin effect, propose harsh requirement to the inwall fineness of wire chamber, the means that routine prepares rectangular waveguide are difficult to continue to meet the requirement preparing short millimeter wave rectangular waveguide.At present, in order to alleviate the requirement of system to short millimeter wave and THz wave rectangular waveguide, people often first prepare two sizes, profile duplicate " recessed " shape metallic channels, and after inner surface polishing grinding makes it meet technical requirement, then notch is welded to a rectangular raster relatively.Though the program is well positioned to meet the requirement of inwall fineness, when two parts being welded into one and being overall, high requirement is proposed to the consistency of two parts notches, alignment precision, the consumption of solder, set-point.
Summary of the invention
The object of this invention is to provide a kind of method preparing rectangular waveguide, this method preparing rectangular waveguide is simple to operate, avoids the impact on rectangular waveguide precision in welding process, improves the production efficiency of rectangular waveguide.
To achieve these goals, the invention provides a kind of method preparing rectangular waveguide, comprising:
A first tringle is placed in one end of base pipe tube chamber by ();
B () is contacted with the intimate of the first tringle to make the inwall of base pipe by external force extruded stock pipe;
C second tringle is placed in the other end of base pipe tube chamber by ();
D () arranges clamping mould on the outer surface of base pipe tube chamber;
E () fixes the first tringle, traction base pipe moves along the direction of the one end at the second tringle place, forms rectangular waveguide blank;
F () intercepts rectangular waveguide blank and is processed to form rectangular waveguide.
Preferably, also comprise in step (a) smooth treatment is carried out to the outer surface of the first tringle; Also comprise in step (c) and smooth treatment is carried out to the outer surface of the second tringle.
Preferably, external force extruding in step (b) is operated by extrusion tooling, extrusion tooling comprises drive unit and multiple squeegee roller, squeegee roller is distributed in the outside of base pipe around the axially spaced-apart of base pipe, and drive unit can drive squeegee roller near or away from base pipe with extruding or unclamp base pipe.
Preferably, in step (a), the internal diameter of base pipe is not less than cornerwise length of the rectangular inner cavity of rectangular waveguide to be produced.
Preferably, base pipe is oxygen-free copper pipe, aluminum pipe or stainless steel tube.
Preferably, the fineness of the outer surface of the Metallic rod after the polishing in step (a) and evenness are greater than fineness and the evenness of the inner surface of rectangular waveguide to be produced.
Preferably, in step (e), draw operations is by holder base pipe and draws base pipe, and fixture is metal pliers.
Preferably, in step (f), the course of processing comprises: the rectangular waveguide blank intercepting Len req, machine work is carried out at the two ends of rectangular waveguide blank and welds together obtained rectangular waveguide with ring flange.
Preferably, argon arc welding or laser welding is welded as.
According to technique scheme, the first tringle first stretches into the tube chamber of base pipe from one end of base pipe by the present invention, is sentenced the inwall of base pipe is caved inward and contacts with the intimate of the first tringle by external force extruded stock pipe; Now again the second tringle to be stretched into the tube chamber of base pipe from the other end of base pipe and contact with the first tringle, then clamping mould holding is set on the outer surface of base pipe tube chamber; Then fix the first tringle, traction base pipe moves to form rectangular waveguide blank along the direction of the one end at the second tringle place; Rectangular waveguide blank needed for final intercepting is also processed to form rectangular waveguide.Use above-mentioned processing method without the need to preparing two form factor duplicate " recessed " shape metallic channels and welding notch, avoid the impact on rectangular waveguide precision in welding process, improve the production efficiency of rectangular waveguide.
Other features and advantages of the present invention are described in detail in embodiment part subsequently.
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and forms a part for specification, is used from explanation the present invention, but is not construed as limiting the invention with embodiment one below.In the accompanying drawings:
Fig. 1 is according to a kind of flow chart preparing the method for rectangular waveguide provided by the invention;
Fig. 2 is the structural representation according to a kind of extrusion tooling provided by the invention;
Fig. 3 is the schematic diagram according to traction base pipe provided by the invention movement.
Description of reference numerals
1-squeegee roller 2-drive unit
3-base pipe 4-first tringle
5-second tringle
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.Should be understood that, embodiment described herein, only for instruction and explanation of the present invention, is not limited to the present invention.
In the present invention, when not doing contrary explanation, the nouns of locality be included in term such as " inside and outside " only represents the orientation of this term under normal service condition, or being commonly called as those skilled in the art's understanding, and should not be considered as the restriction to this term.
See Fig. 1, the invention provides a kind of method preparing rectangular waveguide, comprising:
A first tringle 4 is placed in one end of base pipe 3 tube chamber by ();
B () is contacted with the intimate of the first tringle 4 to make the inwall of base pipe 3 by external force extruded stock pipe 3;
C second tringle 5 is placed in the other end of base pipe 3 tube chamber by ();
D () arranges clamping mould on the outer surface of base pipe 3 tube chamber;
E () fixes the first tringle 4, traction base pipe 3 moves along the direction of the one end at the second tringle 5 place, forms rectangular waveguide blank;
F () intercepts rectangular waveguide blank and is processed to form rectangular waveguide.
By technique scheme, first the first tringle 4 is stretched into the tube chamber of base pipe 3 from one end of base pipe 3, sentenced the inwall of base pipe 3 is caved inward and contacts with the intimate of the first tringle 4 by external force extruded stock pipe 3; Now again the second tringle 5 to be stretched into the tube chamber of base pipe 3 from the other end of base pipe 3 and contact with the first tringle 4, then clamping mould holding is set on the outer surface of base pipe 3 tube chamber; Then fix the first tringle 4, traction base pipe 3 moves to form rectangular waveguide blank along the direction of the one end at the second tringle 5 place; Rectangular waveguide blank needed for final intercepting is also processed to form rectangular waveguide.Use above-mentioned processing method without the need to preparing two form factor duplicate " recessed " shape metallic channels and welding notch, avoid the impact on rectangular waveguide precision in welding process, improve the production efficiency of rectangular waveguide.
In present embodiment, its smooth surface during in order to make the first tringle 4 and the second tringle 5 in the tube chamber inserting base pipe 3, prevent the frictional force of itself and base pipe 3 tube chamber contact position excessive, be difficult to internally stretch into, preferably, also comprise in step (a) smooth treatment is carried out to the outer surface of the first tringle 4; Also comprise in step (c) and smooth treatment is carried out to the outer surface of the second tringle 5.
When using external force extruded stock pipe 3 surface, in order to make the extruding force extrusion operation of applying evenly and extrusion operation can be carried out by the base pipe 3 different to bore, external force extruding in preferred steps (b) is operated by extrusion tooling, extrusion tooling comprises drive unit 2 and multiple squeegee roller 1, squeegee roller 1 is distributed in the outside of base pipe 3 around the axially spaced-apart of base pipe 3, and drive unit 2 can drive squeegee roller 1 near or away from base pipe 3 with extruding or unclamp base pipe 3.
In addition, the outside of the first tringle 4 and the second tringle 5 successfully can be set in and the rectangular tube internal diameter size formed after extruding meets the inner cavity size of rectangular waveguide to be produced for making base pipe 3, preferably, in step (a), the internal diameter of base pipe 3 is not less than cornerwise length of the rectangular inner cavity of rectangular waveguide to be produced.
When using extrusion tooling extruded stock pipe 3, in order to make base pipe 3 have good pliability and ductility, possess certain metal strength, preferably, base pipe 3 is oxygen-free copper pipe, aluminum pipe or stainless steel tube simultaneously.
During in order to make the first tringle 4 and the second tringle 5 in the tube chamber inserting base pipe 3 its surface smoothness and evenness suitable, when preventing it from stretching into, affected to fineness and the evenness of contact position time in base pipe 3 tube chamber, cause the rectangular waveguide using function of making influenced, preferably, the fineness of the outer surface of the Metallic rod after the polishing in step (a) and evenness are greater than fineness and the evenness of the inner surface of rectangular waveguide to be produced.
In the present embodiment, in order to the tension uniform that applies base pipe 3 when making traction base pipe 3 and lead immobilize, preferably, draw operations is for drawing base pipe 3 by holder base pipe 3, and fixture is metal pliers.
Rectangular waveguide blank can carry out assembling with other parts and use after processing, for the ease of follow-up installation and use, preferably in step (f), the course of processing comprises: the rectangular waveguide blank intercepting Len req, machine work is carried out at the two ends of rectangular waveguide blank and welds together obtained rectangular waveguide with ring flange.
In addition, in welding process, be oxidized to prevent weld due to high temperature and contacting with air, affect welding effect, preferably, be welded as argon arc welding or laser welding.
Below the preferred embodiment of the present invention is described in detail by reference to the accompanying drawings; but; the present invention is not limited to the detail in above-mentioned execution mode; within the scope of technical conceive of the present invention; can carry out multiple simple variant to technical scheme of the present invention, these simple variant all belong to protection scope of the present invention.
It should be noted that in addition, each concrete technical characteristic described in above-mentioned embodiment, in reconcilable situation, can be combined by any suitable mode, in order to avoid unnecessary repetition, the present invention illustrates no longer separately to various possible compound mode.
In addition, also can carry out combination in any between various different execution mode of the present invention, as long as it is without prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.
Claims (9)
1. prepare a method for rectangular waveguide, it is characterized in that, comprising:
A first tringle (4) is placed in one end of base pipe (3) tube chamber by ();
B () extrudes described base pipe (3) by external force and contacts with the intimate of described first tringle (4) to make the inwall of described base pipe (3);
C second tringle (5) is placed in the other end of described base pipe (3) tube chamber by ();
D () arranges clamping mould on the outer surface of described base pipe (3) tube chamber;
E () fixes described first tringle (4), draw described base pipe (3) and move along the direction of the one end at described second tringle (5) place, forms rectangular waveguide blank;
F () intercepts described rectangular waveguide blank and is processed to form rectangular waveguide.
2. the method preparing rectangular waveguide according to claim 1, is characterized in that, also comprises and carry out smooth treatment to the outer surface of described first tringle (4) in step (a); Also comprise in step (c) and smooth treatment is carried out to the outer surface of described second tringle (5).
3. the method preparing rectangular waveguide according to claim 2, it is characterized in that, external force extruding in step (b) is operated by extrusion tooling, described extrusion tooling comprises drive unit (2) and multiple squeegee roller (1), described squeegee roller (1) is distributed in the outside of described base pipe (3) around the axially spaced-apart of described base pipe (3), and described drive unit (2) can drive described squeegee roller (1) near or away from described base pipe (3) to extrude or to unclamp described base pipe (3).
4. the method preparing rectangular waveguide according to claim 1, is characterized in that, in step (a), the internal diameter of described base pipe (3) is not less than cornerwise length of the rectangular inner cavity of rectangular waveguide to be produced.
5. the method preparing rectangular waveguide according to claim 4, is characterized in that, described base pipe (3) is oxygen-free copper pipe, aluminum pipe or stainless steel tube.
6. the method preparing rectangular waveguide according to claim 2, it is characterized in that, the fineness of the outer surface of the described Metallic rod after the polishing in step (a) and evenness are greater than fineness and the evenness of the inner surface of rectangular waveguide to be produced.
7. the method preparing rectangular waveguide according to claim 1, it is characterized in that, in step (e), draw operations is for drawing described base pipe (3) by base pipe (3) described in holder, and described fixture is metal pliers.
8. the method preparing rectangular waveguide according to claim 1, it is characterized in that, in step (f), the described course of processing comprises: the described rectangular waveguide blank intercepting Len req, machine work is carried out at the two ends of described rectangular waveguide blank and welds together obtained rectangular waveguide with ring flange.
9. the method preparing rectangular waveguide according to claim 8, is characterized in that, described in be welded as argon arc welding or laser welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510497068.XA CN105161815A (en) | 2015-08-12 | 2015-08-12 | Method for preparing rectangular waveguide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510497068.XA CN105161815A (en) | 2015-08-12 | 2015-08-12 | Method for preparing rectangular waveguide |
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| Publication Number | Publication Date |
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| CN105161815A true CN105161815A (en) | 2015-12-16 |
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| CN201510497068.XA Pending CN105161815A (en) | 2015-08-12 | 2015-08-12 | Method for preparing rectangular waveguide |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110323528A (en) * | 2019-06-28 | 2019-10-11 | 安徽华东光电技术研究所有限公司 | A kind of processing unit (plant) and its processing method of wedge-shaped rectangular waveguide |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102915897A (en) * | 2012-10-23 | 2013-02-06 | 安徽华东光电技术研究所 | Manufacturing method and manufacturing tool for travelling wave tube shell capable of guaranteeing straightness of tube shell |
| CN203556664U (en) * | 2013-11-12 | 2014-04-23 | 广东海派斯管业有限公司 | Clamped-pressing type stainless steel pipe production device |
| CN104456049A (en) * | 2014-11-17 | 2015-03-25 | 攀钢集团成都钢钒有限公司 | Steel pipe, steel pipe machining process and steel pipe machining die |
-
2015
- 2015-08-12 CN CN201510497068.XA patent/CN105161815A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102915897A (en) * | 2012-10-23 | 2013-02-06 | 安徽华东光电技术研究所 | Manufacturing method and manufacturing tool for travelling wave tube shell capable of guaranteeing straightness of tube shell |
| CN203556664U (en) * | 2013-11-12 | 2014-04-23 | 广东海派斯管业有限公司 | Clamped-pressing type stainless steel pipe production device |
| CN104456049A (en) * | 2014-11-17 | 2015-03-25 | 攀钢集团成都钢钒有限公司 | Steel pipe, steel pipe machining process and steel pipe machining die |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110323528A (en) * | 2019-06-28 | 2019-10-11 | 安徽华东光电技术研究所有限公司 | A kind of processing unit (plant) and its processing method of wedge-shaped rectangular waveguide |
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Application publication date: 20151216 |
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