CN103302163B - Integrated forming methods of wave guide transformation coupler inner cavity and coupler and forming tool of wave guide transformation coupler inner cavity - Google Patents
Integrated forming methods of wave guide transformation coupler inner cavity and coupler and forming tool of wave guide transformation coupler inner cavity Download PDFInfo
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- CN103302163B CN103302163B CN201310251168.5A CN201310251168A CN103302163B CN 103302163 B CN103302163 B CN 103302163B CN 201310251168 A CN201310251168 A CN 201310251168A CN 103302163 B CN103302163 B CN 103302163B
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Abstract
The invention discloses integrated forming methods of a wave guide transformation coupler inner cavity and a coupler and a forming tool of the wave guide transformation coupler inner cavity. The integrated forming method of the coupler inner cavity comprises the steps of clamping a workblank, positioning the workblank, conducting compression forming on the coupler inner cavity, and fetching a workpiece. The integrated forming method of the coupler comprises the integrated forming steps of the coupler inner cavity and general machining steps. The forming tool is used for realizing the integrated forming of the coupler inner cavity. According to the methods and the tool, the wave guide transformation coupler inner cavity is formed by extrusion with a mould, and then, the wave guide transformation coupler is formed integrally; intermediate processes are reduced; the links, such as erection welding of thin-wall oxygen-free copper parts, in which deformation occurs easily, are avoided; the obtained wave guide transformation coupler is high in strength and good in microwave transmission performance, and does not deform easily; the machining technology is simple; the repeatability and the consistency are good; and the performance and the qualification rate of a microwave device are ensured.
Description
Technical field
The present invention relates to microwave device field, relate to travelling-wave tubes, be specifically related to waveguide conversion coupler inner chamber, coupler integral formation method and forming frock.
Background technology
Waveguide conversion coupler is a very important part in microwave device, it is for connecting the key component of slow wave system and energy input and output window in travelling-wave tubes, its effect is by microwave signal coupling input and exports slow wave system, and plays the matching effect of slow wave system impedance and window standard waveguide impedance.For meeting microwave device functional requirement, waveguide conversion coupler should have good microwave transmission characteristic.Because waveguide conversion coupler is usually used as a part for slow wave system, be subject to the restriction in magnetic field, structure often all very compact of waveguide conversion coupler simultaneously.
And existing waveguide conversion coupler is welded by multiple Assembly of the parts usually, in order to Loss reducing and increase heat radiation, its part material many employings oxygen-free copper, and very thin thickness; These parts are easy to deformation occurs in assembling, welding process, cause waveguide to convert coupler microwave transmission properties deteriorate; Cause the slow wave system of travelling-wave tubes and energy input, output device can not reach good matching effect, even due to waveguide conversion coupler deformation caused by reflection, travelling-wave tubes can be made to produce vibration, travelling-wave tubes cannot normally be worked.
Summary of the invention
The object of invention is to overcome the deficiencies in the prior art, a kind of defect overcoming multiple welding deformation and produce is provided, repeatability and uniformity good, microwave transmission excellent performance, can ensure that the performance of microwave device and the waveguide of qualification rate convert coupler inner chamber, coupler integral formation method and forming frock.
To achieve these goals, the technical solution used in the present invention is:
This waveguide conversion coupler inner chamber integral formation method, comprises the following steps;
(1) blank clamping, gets a base, installs a collar on the base;
In this collar, install blank, blank bottom end face contacts with base end face;
Install pressure ring on collar top, pressure ring bottom end face has the compressed part compressing blank, this compressed part is pressed on the end face of blank top;
(2) blank location, is installed on the base of forcing press by the blank assembly that step (1) obtains, makes the press rods centering of blank center and forcing press;
(3) coupler inner chamber is compressing, and the press rods of forcing press is installed coupler inner chamber extrusion die, opening pressure machine, press rods moves down, and coupler inner chamber extrusion die moves down and extrudes blank; The one-body molded rear stopping extruding of device inner chamber to be coupled, after press rods is moved, takes off the coupler inner chamber extrusion die in press rods;
(4) get workpiece, the pressure ring on the collar and base are taken off, after 180 ° of upset collars, be arranged on by the collar on a stop sleeve, the centre bore aperture of this stop sleeve is greater than workpiece external diameter;
This stop sleeve is arranged on the base of forcing press, and workpiece centre and press rods centering;
Press rods is installed and shirks bar, opening pressure machine, press rods moves down, and shirk bar 6 and apply pressure to workpiece, workpiece is slowly taken off in the collar, until workpiece is deviate from completely in the collar, stops compacting; Forcing press controlled pressure bar moves, takes off the collar and stop sleeve, take out workpiece.
Described base has an installation step, and collar bottom is sleeved on this installation step; In the collar, install blank, blank bottom end face contacts with the step surface of installation step.
Described pressure ring is sleeved on the described collar, and the bottom of described pressure ring is stretched out a sleeve and wrapped collar top.
The centre bore aperture of this stop sleeve is less than collar external diameter; This stop sleeve top has recess step, and the collar is arranged in this recess step.
The sidewall of described pressure ring is provided with symmetrical hole or groove, uses alignment pin to be fixed on the base of forcing press by the blank assembly that step (1) obtains.
Described forcing press is hydraulic press.
This waveguide conversion coupler integral formation method, uses said method to make the inner chamber of waveguide conversion coupler workpiece extruded; Then according to other dimensional requirements of waveguide conversion coupler, conventional machining is carried out to the workpiece after extruding, namely obtain integrated waveguide conversion coupler.
The one-body molded frock of this waveguide conversion coupler inner chamber, by extruded frock and shirk frock and form, described extruded frock, comprise and be enclosed within the collar that blank outside prevents blank crimp, the base for supporting the collar and blank is provided with in described collar bottom, be provided with pressure ring on described collar top, pressure ring bottom end face is provided with the pressure contact portion pushing down blank end face; Also comprise forcing press and be located at the coupler inner chamber extrusion die in the press rods of forcing press; Describedly shirk frock, by forcing press, be located on press pressure bar shirk bar and the stop sleeve for supporting the collar is formed.
Described base is provided with an installation step, and collar bottom is sleeved on this installation step; Be sleeved on the described collar at described pressure ring, the bottom of described pressure ring is stretched out a sleeve and is wrapped collar top.
The pressure contact portion be located on the end face of described pressure ring bottom is be located at the projection on the end face of pressure ring bottom; The centre bore aperture of described stop sleeve is greater than workpiece external diameter, and is less than described collar external diameter; This stop sleeve top has recess step, and the described collar is arranged in this recess step.
The invention has the advantages that: this waveguide conversion coupler inner chamber, coupler integral formation method and forming frock, for existing waveguide conversion coupler, in process by the thin-walled parts erection welding of multiple oxygen-free copper, easily produce deformation, cause the defect of its microwave transmission poor performance; Adopt once extruded processing mode, utilize mould waveguide to be converted coupler inner chamber extruded, and then make waveguide convert coupler integrated molding; Decrease pilot process, avoid these easy links producing deformation such as the erection welding of multiple thin-walled oxygen-free copper part; The waveguide conversion coupler that the present invention obtains, intensity is large, not easily deformation, microwave transmission excellent performance; And processing technology is simple, repeatability and uniformity good, ensure that performance and the qualification rate of microwave device.
Accompanying drawing explanation
Mark in the content expressed each width accompanying drawing of description of the present invention below and figure is briefly described:
Fig. 1 is the structural representation of the extruded frock of the one-body molded frock of this waveguide of the present invention conversion coupler inner chamber;
Fig. 2 is the structural representation shirking frock of the one-body molded frock of this waveguide of the present invention conversion coupler inner chamber;
Fig. 3 is the schematic cross-section of the waveguide conversion coupler that this waveguide of the present invention conversion coupler inner chamber integral formation method obtains;
Fig. 4 is another schematic cross-section of the waveguide conversion coupler that this waveguide of the present invention conversion coupler inner chamber integral formation method obtains;
Mark in above-mentioned figure is:
1, base, 2, the collar, 3, pressure ring, 4, coupler inner chamber extrusion die, 5, blank, 6, shirk bar, 7, stop sleeve.
Detailed description of the invention
Contrast accompanying drawing below, by the description to optimum embodiment, the specific embodiment of the present invention is described in further detail.
Fig. 1 and Fig. 2 is the structural representation of the one-body molded frock of waveguide conversion coupler inner chamber; Fig. 3 and Fig. 4 is the schematic cross-section of the waveguide conversion coupler that waveguide conversion coupler inner chamber integral formation method obtains.
This waveguide conversion coupler inner chamber integral formation method, comprises the following steps;
(1) blank clamping, gets a base 1, and this base 1 is installed a collar 2; Base 1 has an installation step, and the collar 2 bottom is sleeved on this installation step; In the collar 2, install oxygen-free copper blank 5, blank 5 bottom end face contacts with the step surface of installation step;
At the collar 2 top suit pressure ring 3, the bottom of pressure ring 3 is stretched out a sleeve and is wrapped the collar 2 top, and pressure ring 3 bottom end face has the compressed part compressing blank 5, this compressed part is pressed on the end face of blank 5 top;
(2) blank location, is installed on the base of hydraulic press by the blank assembly that step (1) obtains, makes the press rods centering of blank 5 center and hydraulic press; The sidewall of pressure ring 3 is provided with symmetrical hole or groove, alignment pin is installed in this hole or groove the blank assembly that step (1) obtains is fixed on the base 1 of hydraulic press;
(3) coupler inner chamber is compressing, and the press rods of hydraulic press is installed coupler inner chamber extrusion die 4, and open hydraulic press, press rods moves down, and coupler inner chamber extrusion die 4 moves down and extrudes blank 5; The one-body molded rear stopping extruding of device inner chamber to be coupled, after press rods is moved, takes off the coupler inner chamber extrusion die 4 in press rods;
(4) get workpiece, the pressure ring 3 on the collar 2 and base 1 are taken off, after 180 ° of upset collars 2, the collar 2 is arranged on a stop sleeve 7; After blank 5 overturns 180 ° together with the collar 2, on the one hand, blank 5, when shirking, can ensure that the conversion coupler inner chamber of blank 5 Inner extrusion can not deform; On the other hand, blank 5 top, lower than the collar 2 top, is conducive to shirking moving down fast of bar 6 and shirks;
The centre bore aperture of this stop sleeve 7 is greater than blank 5 external diameter, and the centre bore aperture of this stop sleeve 7 is less than the collar 2 external diameter; This stop sleeve 7 top has recess step, and the collar 2 is arranged in this recess step; The collar 2 is arranged in this recess step, can ensure that shirking bar 6 moves down the stability shirking workpiece; When shirking workpiece, blank can directly be fallen in stop sleeve 7 from the collar 3 simultaneously;
This stop sleeve 7 is arranged on the base 1 of hydraulic press, and blank 5 center and press rods centering;
Press rods is installed and shirks bar 6, shirk bar 6 external diameter and be not more than blank external diameter; Open hydraulic press, press rods moves down, and shirk bar 6 and apply pressure to workpiece, workpiece is slowly taken off in the collar 2, until workpiece is deviate from completely in the collar 2, stops compacting; Hydraulic press controlled pressure bar moves, takes off the collar 2 and stop sleeve 7, take out workpiece.
This waveguide conversion coupler integral formation method, comprises the following steps;
(1) blank clamping, gets a base 1, and this base 1 is installed a collar 2; Base 1 has an installation step, and the collar 2 bottom is sleeved on this installation step; In the collar 2, install blank 5, blank 5 bottom end face contacts with the step surface of installation step;
At the collar 2 top suit pressure ring 3, the bottom of pressure ring 3 is stretched out a sleeve and is wrapped the collar 2 top, and pressure ring 3 bottom end face has the compressed part compressing blank 5, this compressed part is pressed on the end face of blank 5 top;
(2) blank 5 is located, and is installed on the base of hydraulic press by the blank assembly that step (1) obtains, and makes the press rods centering of blank 5 center and hydraulic press; The sidewall of pressure ring 3 is provided with symmetrical hole or groove, uses alignment pin to be fixed on the base 1 of hydraulic press by the blank assembly that step (1) obtains;
(3) coupler inner chamber is compressing, and the press rods of hydraulic press is installed coupler inner chamber extrusion die 4, and open hydraulic press, press rods moves down, and coupler inner chamber extrusion die 4 moves down and extrudes blank 5; The one-body molded rear stopping extruding of device inner chamber to be coupled, after press rods is moved, takes off the coupler inner chamber extrusion die 4 in press rods;
(4) get workpiece, the pressure ring 3 on the collar 2 and base 1 are taken off, after 180 ° of upset collars 2, be arranged on by the collar 2 on a stop sleeve 7, the centre bore aperture of this stop sleeve 7 is greater than blank 5 external diameter, and the centre bore aperture of this stop sleeve 7 is less than the collar 2 external diameter; This stop sleeve 7 top has recess step, and the collar 2 is arranged in this recess step;
This stop sleeve 7 is arranged on the base 1 of hydraulic press, and blank 5 center and press rods centering;
Press rods is installed and shirks bar 6, open hydraulic press, press rods moves down, and shirk bar 6 and apply pressure to workpiece, workpiece is slowly taken off in the collar 2, until workpiece is deviate from completely in the collar 2, stops compacting; Hydraulic press controlled pressure bar moves, takes off the collar 2 and stop sleeve 7, take out workpiece;
(5) according to other dimensional requirements of waveguide conversion coupler, carry out conventional machining to the workpiece after extruding, to blank vehicle cylindrical and machining, the installation step of obtained waveguide conversion coupler, at this end punching press installing hole; Processing punching is carried out to the blank other end, namely obtains integrated waveguide conversion coupler.
The one-body molded frock of this waveguide conversion coupler inner chamber, by extruded frock and shirk frock and form, described extruded frock, comprise and be enclosed within the collar 2 that blank 5 outside prevents blank 5 crimp, the base 1 for supporting the collar 2 and blank 5 is provided with in the collar 2 bottom, be provided with pressure ring 3 on the collar 2 top, pressure ring 3 bottom end face is provided with the pressure contact portion pushing down blank 5 end face; Also comprise forcing press and be located at the coupler inner chamber extrusion die 4 in the press rods of forcing press; Describedly shirk frock, by forcing press, be located on press pressure bar shirk bar 6 and the stop sleeve 7 for supporting the collar 2 is formed.
Base 1 is provided with an installation step, and the collar 2 bottom is sleeved on this installation step; Pressure ring 3 is sleeved on the collar 2, and the bottom of pressure ring 3 is stretched out a sleeve and wrapped the collar 2 top.
The pressure contact portion be located on the end face of pressure ring 3 bottom is be located at the projection on the end face of pressure ring 3 bottom; The centre bore aperture of stop sleeve 7 is greater than workpiece external diameter, and is less than the collar 2 external diameter; This stop sleeve 7 top has recess step, and the collar 2 is arranged in this recess step.
This waveguide conversion coupler inner chamber, coupler integral formation method and forming frock, for existing waveguide conversion coupler, in the process by the thin-walled parts erection welding of multiple oxygen-free copper, easily produce deformation, cause the defect of its microwave transmission poor performance; Adopt once extruded processing mode, first utilize mould waveguide to be converted coupler inner chamber extruded; Then carry out conventional machining, make waveguide convert coupler integrated molding; This waveguide transformation coupler inner chamber, coupler integral formation method, decrease pilot process, avoids these easy links producing deformation such as the erection welding of multiple thin-walled oxygen-free copper part; The waveguide conversion coupler that the present invention obtains, intensity is large, not easily deformation, microwave transmission excellent performance; And processing technology is simple, repeatability and uniformity good, ensure that performance and the qualification rate of microwave device.
Above to invention has been exemplary description; obvious specific implementation of the present invention is not subject to the restrictions described above; as long as have employed the improvement of the various unsubstantialities that method of the present invention is conceived and technical scheme is carried out; or design of the present invention and technical scheme directly applied to other occasion, all within protection scope of the present invention without to improve.
Claims (7)
1. waveguide conversion coupler inner chamber integral formation method, is characterized in that: comprise the following steps;
(1) blank clamping, gets a base, installs a collar on the base;
In this collar, install blank, blank bottom end face contacts with base end face;
Install pressure ring on collar top, pressure ring bottom end face has the compressed part compressing blank, this compressed part is pressed on the end face of blank top;
(2) blank location, is installed on the base of forcing press by the blank assembly that step (1) obtains, makes the press rods centering of blank center and forcing press;
(3) coupler inner chamber is compressing, and the press rods of forcing press is installed coupler inner chamber extrusion die, opening pressure machine, press rods moves down, and coupler inner chamber extrusion die moves down and extrudes blank;
The one-body molded rear stopping extruding of device inner chamber to be coupled, after press rods is moved, takes off the coupler inner chamber extrusion die in press rods;
(4) get workpiece, the pressure ring on the collar and base are taken off, after 180 ° of upset collars, be arranged on by the collar on a stop sleeve, the centre bore aperture of this stop sleeve is greater than workpiece external diameter;
This stop sleeve is arranged on the base of forcing press, and workpiece centre and press rods centering;
Press rods is installed and shirks bar, opening pressure machine, press rods moves down, and shirk bar and apply pressure to workpiece, workpiece is slowly taken off in the collar, until workpiece is deviate from completely in the collar, stops compacting;
Forcing press controlled pressure bar moves, takes off the collar and stop sleeve, take out workpiece.
2. waveguide conversion coupler inner chamber integral formation method as claimed in claim 1, it is characterized in that: on described base, have an installation step, collar bottom is sleeved on this installation step; In the collar, install blank, blank bottom end face contacts with the step surface of installation step.
3. waveguide conversion coupler inner chamber integral formation method as claimed in claim 1 or 2, it is characterized in that: described pressure ring is sleeved on the described collar, the bottom of described pressure ring is stretched out a sleeve and is wrapped collar top.
4. waveguide conversion coupler inner chamber integral formation method as claimed in claim 3, is characterized in that: the centre bore aperture of described stop sleeve is less than described collar external diameter; Described stop sleeve top has recess step, and the described collar is arranged in this recess step.
5. waveguide conversion coupler inner chamber integral formation method as claimed in claim 4, it is characterized in that: on the sidewall of described pressure ring, be provided with symmetrical hole or groove, alignment pin be installed in this hole or groove the blank assembly that step (1) obtains is fixed on the base of forcing press.
6. waveguide conversion coupler inner chamber integral formation method as claimed in claim 5, is characterized in that: described forcing press is hydraulic press.
7. waveguide conversion coupler integral formation method, is characterized in that: make the inner chamber of waveguide conversion coupler workpiece extruded by the method for claim 1; Then according to other dimensional requirements of waveguide conversion coupler, conventional machining is carried out to the workpiece after extruding, namely obtain integrated waveguide conversion coupler.
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|---|---|---|---|
| CN201310251168.5A CN103302163B (en) | 2013-06-21 | 2013-06-21 | Integrated forming methods of wave guide transformation coupler inner cavity and coupler and forming tool of wave guide transformation coupler inner cavity |
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| CN201310251168.5A CN103302163B (en) | 2013-06-21 | 2013-06-21 | Integrated forming methods of wave guide transformation coupler inner cavity and coupler and forming tool of wave guide transformation coupler inner cavity |
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| CN103302163A CN103302163A (en) | 2013-09-18 |
| CN103302163B true CN103302163B (en) | 2015-01-28 |
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| CN108598653A (en) * | 2018-04-02 | 2018-09-28 | 韩国亮 | Coupling bar and connector, resistance attachment device and the device connection method in coupler |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH0833940A (en) * | 1994-07-22 | 1996-02-06 | Mitsutoyo Kiko Kk | Cold heading tool |
| CN201183101Y (en) * | 2008-03-11 | 2009-01-21 | 长宏工厂股份有限公司 | Forming device for double cutting type parts |
| CN201900207U (en) * | 2010-05-26 | 2011-07-20 | 上海上标汽车紧固件有限公司 | Special riveting bolt forming die for sedan |
| CN101947567B (en) * | 2010-08-31 | 2012-08-29 | 江苏浩瀚汽车标准件有限公司 | Processing technique of flat-head hexagon bolt for cold extrusion shaping cart |
| CN202894169U (en) * | 2012-10-19 | 2013-04-24 | 盐城理研精密锻造有限公司 | Tooth-shaped tubular column cold forging gear hole extruding mould |
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Address after: 241000 No.01 Eshan Road, high tech Development Zone, Yijiang District, Wuhu City, Anhui Province Patentee after: ANHUI HUADONG PHOTOELECTRIC TECHNOLOGY INSTITUTE Co.,Ltd. Address before: 241000 Anhui Province, Wuhu city Yijiang District South high tech Development Zone Technology Park mansion Patentee before: Anhui Huadong Polytechnic Institute |
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