CN101920503A - Method for punching cavity filter cover board, cavity filter cover board and cavity filter - Google Patents
Method for punching cavity filter cover board, cavity filter cover board and cavity filter Download PDFInfo
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- CN101920503A CN101920503A CN2010101729434A CN201010172943A CN101920503A CN 101920503 A CN101920503 A CN 101920503A CN 2010101729434 A CN2010101729434 A CN 2010101729434A CN 201010172943 A CN201010172943 A CN 201010172943A CN 101920503 A CN101920503 A CN 101920503A
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- hole
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- cavity filter
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Abstract
The invention discloses a method for punching a cavity filter cover board, the cavity filter cover board and a cavity filter. In the invention, the processing cost for punching the cavity filter cover board is reduced; the production efficiency is improved and the costs for the cavity filter cover board and the cavity filter are reduced.
Description
Technical field
The present invention relates to the wave filter technology field, be specifically related to a kind of hole-punching method, cavity filter cover board and cavity body filter of cavity filter cover board.
Background technology
Cavity body filter is widely used in the communications field as a kind of frequency selection device, especially field of radio frequency communication.In the base station, wave filter is used to select signal of communication, clutter or interfering signal that the filtering communication signal frequency is outer.
Cavity body filter comprises cavity, cover plate, connector outer conductor, connector inner wire.At present, usually design is to adopt the mode of back processing with the assembling of connector outer conductor on the cover board, but, in research and practice process to prior art, the present inventor finds, adopts the mode assembly connector outer conductor of back processing, its complex procedures, production efficiency is not high, the product cost height.
Summary of the invention
The invention provides a kind of hole-punching method of cavity filter cover board, a kind of cavity filter cover board and cavity body filter, can reduce the processing cost of cavity filter cover board punching, enhance productivity, reduce the cost of cavity filter cover board and cavity body filter.
The invention provides a kind of hole-punching method of cavity filter cover board, may further comprise the steps: on the cover board need the position of punching to process a pre-punched hole; In the position of described pre-punched hole, force in this pre-punched hole perpendicular to the lid surface direction and stamp out a flange hole, the aperture in described flange hole is greater than the aperture of described pre-punched hole.
As a further improvement on the present invention, the described pre-punched hole that on the cover board processes comprises: adopt the mode of blanking on the cover board to process pre-punched hole.
As a further improvement on the present invention, the described process that stamps out a flange hole comprises: adopt diel to stamp out a flange hole in the pre-punched hole position.Described diel has conical drift, and described drift is done straight reciprocating motion in the pre-punched hole position, stamps out the flange hole.
As a further improvement on the present invention, the described process that stamps out a flange hole comprises: described drift rotates when doing straight reciprocating motion.
The present invention also provides the hole-punching method of another kind of cavity filter cover board, may further comprise the steps: on the cover board force in this surface perpendicular to the lid surface direction and stamp out a convex closure; Described convex closure comprises bottom surface and sidewall; Described convex closure bottom surface stamping-out is fallen to form the flange hole.
As a further improvement on the present invention, describedly described convex closure bottom surface stamping-out is fallen to form the flange hole comprise: adopt the radius diel stamping-out identical to fall described convex closure bottom surface, formation flange hole with the convex closure internal diameter.
As a further improvement on the present invention, described diel has conical drift, and described drift is done straight reciprocating motion at convex closure basal surface position place, stamps out the flange hole.
As a further improvement on the present invention, described drift rotates when doing straight reciprocating motion.
The invention provides a kind of cavity filter cover board, the connector outer conductor is set on the cover plate, described connector outer conductor and cover plate are one-body molded, and described connector outer conductor is the sidewall in described cover plate upper overturning hole.
As a further improvement on the present invention, described connector outer conductor forces in this cover plate punching press by diel perpendicular to the lid surface direction and forms.
As a further improvement on the present invention, the inwall of described connector outer conductor is provided with along described flange aperture to the groove that is used for fixing insulating materials.
As a further improvement on the present invention, the saddle that is used for fixing insulating materials that described connector outer conductor machined is formed is arranged on the described cover plate.
The invention provides a kind of cavity body filter, comprise cavity, cover plate, it is characterized in that, the connector outer conductor is set on the described cover plate, described connector outer conductor and cover plate are one-body molded.
As a further improvement on the present invention, described connector outer conductor forces in this cover plate punching press by diel perpendicular to the lid surface direction and forms.
As a further improvement on the present invention, the inwall of described connector outer conductor is provided with along described flange aperture to the groove that is used for fixing insulating materials.
The hole-punching method of cavity filter cover board provided by the present invention, adopt the punch forming technology one-body molded, its operation is simple, the production efficiency height, and owing to avoided the working pressure casting technique, thereby avoided because of the force value of employed pressure casting machine in the compression casting processing equipment cost that causes of having relatively high expectations increases, so just can be under the prerequisite that does not increase cover sheet thickness, reduce equipment cost, thereby reduce product cost.
Cavity filter cover board provided by the present invention, cover plate are provided with the connector outer conductor, and connector outer conductor and cover plate are one-body molded, so just make that the manufacturing procedure of cover plate is simpler, and production efficiency improves, thereby have reduced the production cost of cover plate.
Cavity body filter provided by the present invention, comprise cavity, cover plate, the connector outer conductor is set on the cover plate, connector outer conductor and cover plate are one-body molded, so just make that the manufacturing procedure of cover plate is simpler, production efficiency improves, and has reduced the production cost of cover plate, thereby has reduced the production cost of cavity body filter.
Description of drawings
In order to be illustrated more clearly in the technical scheme in the embodiment of the invention, the accompanying drawing of required use is done to introduce simply in will describing embodiment below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 (a) is the schematic top plan view behind the cavity filter cover board formation pre-punched hole in the embodiment of the invention one;
Fig. 1 (b) is the A-A cross-sectional schematic of cavity filter cover board shown in Fig. 1 (a);
Fig. 2 (a) is the schematic top plan view behind the cavity filter cover board formation flange hole in the embodiment of the invention one;
Fig. 2 (b) is the B-B cross-sectional schematic of cavity filter cover board shown in Fig. 2 (a);
Fig. 3 (a) is the schematic top plan view behind the cavity filter cover board formation convex closure in the embodiment of the invention two;
Fig. 3 (b) is the C-C cross-sectional schematic of cavity filter cover board shown in Fig. 3 (a);
Fig. 4 is the cross-sectional schematic of a kind of cavity filter cover board in the embodiment of the invention three;
Fig. 5 (a) and Fig. 5 (b) are the schematic diagrames of a kind of cavity filter cover board in the embodiment of the invention four;
Fig. 6 is the cross-sectional schematic of a kind of cavity filter cover board in the embodiment of the invention five;
Fig. 7 (a) and Fig. 7 (b) are the structural representations of a kind of cavity body filter in the embodiment of the invention six.
The specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
The hole-punching method of embodiment one, a kind of cavity filter cover board may further comprise the steps:
As shown in Figure 1, the position that on the cover board needs punching, perpendicular to lid surface 102 directions to this cover plate application of force, process a pre-punched hole 101, processing mode can be a stamping-out, is appreciated that this pre-punched hole can also have other multiple conventional processing modes, as boring, concrete implementation is not construed as limiting the invention;
In the position of described pre-punched hole, force in this pre-punched hole perpendicular to the lid surface direction, as shown in Figure 2, stamp out a flange hole 201, the aperture in described flange hole 201 is greater than the aperture of described pre-punched hole 101.
With reference to figure 1 and Fig. 2, in the present embodiment, the described process that stamps out a flange hole 201 can realize in the following manner in the lump:
Adopt diel,, utilize the drift in the diel that pre-punched hole 101 is carried out flange in pre-punched hole 101 positions.Be about to drift and aim at pre-punched hole 101, drift is done straight reciprocating motion, and drift just pushes the pre-punched hole material around gradually like this, progresses into pre-punched hole simultaneously, thereby forms flange 202, forms flange hole 201 simultaneously.
Drift can rotate when doing straight reciprocating motion, and drift is when motion like this, to working position material rotation extruding, make material stressed in different directions, and the generation frictional force that rotatablely moves, the temperature of working position material is raise, be convenient to moulding, be not easy to tear.
Being appreciated that described drift can be a cone, also can be the non-cylinder of other shapes, polygon prism for example, polygonal pyramid.
In order to adapt to the different material of cover plate, thickness, shape, to the height of flange, the requirement of thickness, working environment in the time of can adjusting structure, the punching press of rectilinear motion that drift done the convex closure bottom surface and the speed that rotatablely moves, drift, concrete implementation is not construed as limiting the invention.
The hole-punching method of embodiment two, a kind of cavity filter cover board may further comprise the steps:
As shown in the figure, on the cover board force in this surface and stamp out a convex closure 301 perpendicular to the lid surface direction; Described convex closure comprises bottom surface 303 and sidewall 304;
Described convex closure bottom surface 303 stamping-outs are fallen to form the flange hole.
In the present embodiment, described described convex closure bottom surface stamping-out is fallen to form the process in flange hole, can adopt the radius diel stamping-out identical to fall described convex closure bottom surface, form the flange hole with the convex closure internal diameter.
In the present embodiment, described diel can have conical drift, and described drift is done straight reciprocating motion at convex closure basal surface position place, drift just pushes the pre-punched hole material around gradually like this, progress into pre-punched hole simultaneously, thereby form flange, form the flange hole simultaneously.
Drift can rotate when doing straight reciprocating motion, and drift is when motion like this, to working position material rotation extruding, make material stressed in different directions, and the generation frictional force that rotatablely moves, the temperature of working position material is raise, be convenient to moulding, be not easy to tear.
Being appreciated that described drift can be a cone, also can be the non-cylinder of other shapes, polygon prism for example, polygonal pyramid.
In order to adapt to the different material of cover plate, thickness, shape, to the height of flange, the requirement of thickness, working environment in the time of can adjusting structure, the punching press of rectilinear motion that drift done the convex closure bottom surface and the speed that rotatablely moves, drift, concrete implementation is not construed as limiting the invention.
One of ordinary skill in the art will appreciate that: all or part of step that realizes said method embodiment can be finished by the relevant hardware of programmed instruction, aforesaid program can be stored in the computer read/write memory medium, this program is carried out the step that comprises said method embodiment when carrying out; And aforesaid storage medium comprises: read-only storage (Read-Only Memory, ROM), random access device (RandomAccess Memory, RAM), various media that can be program code stored such as magnetic disc or CD.
Embodiment three, a kind of cavity filter cover board, its cross-sectional schematic as shown in Figure 4, connector outer conductor 402 is set on the cover plate, and described connector outer conductor 402 is one-body molded with cover plate 403, and described connector outer conductor 402 is the sidewalls in described cover plate upper overturning hole 401.
In the present embodiment, described connector outer conductor and cover plate can force in this cover plate punching press perpendicular to the lid surface direction by diel and form, and also can adopt compression casting to form by die casting.
Embodiment four, a kind of cavity filter cover board, its structural representation is shown in Fig. 5 (a) and Fig. 5 (b), connector outer conductor 502 is set on the cover plate, and described connector outer conductor 502 is one-body molded with cover plate 503, and described connector outer conductor 502 is the sidewalls in described cover plate upper overturning hole 501.
Be appreciated that by with insulating materials, for example polytetrafluoroethylene (PTFE) is filled in the middle of inner wire and the outer conductor, can guarantee the alignment of inner wire and outer conductor.For the fixed insulation material, on the inwall of described connector outer conductor, be provided with along described flange aperture to the groove 504 that is used for fixing insulating materials.
Claims (15)
1. the hole-punching method of a cavity filter cover board may further comprise the steps:
On the cover board need the position of punching to process a pre-punched hole;
In the position of described pre-punched hole, force in this pre-punched hole perpendicular to the lid surface direction and stamp out a flange hole, the aperture in described flange hole is greater than the aperture of described pre-punched hole.
2. the hole-punching method of cavity filter cover board as claimed in claim 1 is characterized in that, the described pre-punched hole that on the cover board processes comprises:
Adopt the mode of stamping-out on the cover board to process pre-punched hole.
3. the hole-punching method of cavity filter cover board as claimed in claim 1 is characterized in that, the described process that stamps out a flange hole comprises:
Adopt diel to stamp out a flange hole in the pre-punched hole position; Described diel has conical drift, and described drift is done straight reciprocating motion in the pre-punched hole position, stamps out the flange hole.
4. the hole-punching method of cavity filter cover board as claimed in claim 3 is characterized in that, the described process that stamps out a flange hole comprises:
Described drift rotates when doing straight reciprocating motion.
5. the hole-punching method of a cavity filter cover board may further comprise the steps:
On the cover board force in this surface and stamp out a convex closure perpendicular to the lid surface direction; Described convex closure comprises bottom surface and sidewall;
Described convex closure bottom surface stamping-out is fallen to form the flange hole.
6. the hole-punching method of cavity filter cover board as claimed in claim 5 is characterized in that, describedly described convex closure bottom surface stamping-out is fallen to form the flange hole comprises:
Adopt the radius diel stamping-out identical to fall described convex closure bottom surface, form the flange hole with the convex closure internal diameter.
7. the hole-punching method of cavity filter cover board as claimed in claim 6 is characterized in that,
Described diel has conical drift, and described drift is done straight reciprocating motion at convex closure basal surface position place, stamps out the flange hole.
8. the hole-punching method of cavity filter cover board as claimed in claim 7 is characterized in that,
Described drift rotates when doing straight reciprocating motion.
9. a cavity filter cover board is characterized in that, the connector outer conductor is set on the cover plate, and described connector outer conductor and cover plate are one-body molded, and described connector outer conductor is the sidewall in described cover plate upper overturning hole.
10. cavity filter cover board as claimed in claim 9 is characterized in that, described connector outer conductor forces in this cover plate punching press by diel perpendicular to the lid surface direction and forms.
11. cavity filter cover board as claimed in claim 9 is characterized in that, the inwall of described connector outer conductor is provided with along described flange aperture to the groove that is used for fixing insulating materials.
12. cavity filter cover board as claimed in claim 9 is characterized in that, the saddle that is used for fixing insulating materials that described connector outer conductor machined is formed is arranged on the described cover plate.
13. a cavity body filter comprises cavity, cover plate, it is characterized in that, the connector outer conductor is set on the described cover plate, described connector outer conductor and cover plate are one-body molded, and described connector outer conductor is the sidewall in described cover plate upper overturning hole.
14. cavity body filter as claimed in claim 13 is characterized in that, described connector outer conductor forces in this cover plate punching press by diel perpendicular to the lid surface direction and forms.
15. cavity body filter as claimed in claim 13 is characterized in that, the inwall of described connector outer conductor is provided with along described flange aperture to the groove that is used for fixing insulating materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101729434A CN101920503A (en) | 2010-05-07 | 2010-05-07 | Method for punching cavity filter cover board, cavity filter cover board and cavity filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101729434A CN101920503A (en) | 2010-05-07 | 2010-05-07 | Method for punching cavity filter cover board, cavity filter cover board and cavity filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101920503A true CN101920503A (en) | 2010-12-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101729434A Pending CN101920503A (en) | 2010-05-07 | 2010-05-07 | Method for punching cavity filter cover board, cavity filter cover board and cavity filter |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103427310A (en) * | 2013-07-30 | 2013-12-04 | 深圳市旭鹏五金制品有限公司 | Punch forming method of fixing holes in electric coupler casing |
| CN104681906A (en) * | 2015-02-26 | 2015-06-03 | 东莞鸿爱斯通信科技有限公司 | Cavity filter |
| CN105729565A (en) * | 2014-12-10 | 2016-07-06 | 西安航空动力控制科技有限公司 | Method for punching high dimensional precision hole in cloth-insulated rubber thin film |
| CN108817863A (en) * | 2018-07-11 | 2018-11-16 | 苏州市协诚五金制品有限公司 | A kind of production method suitable for filter tuner cover board |
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| US4775847A (en) * | 1986-12-09 | 1988-10-04 | Motorola, Inc. | Tunable resonant cavity filter structure with enhanced ground return |
| US5237849A (en) * | 1992-02-19 | 1993-08-24 | Hidaka Seiki Kabushiki Kaisha | Method of manufacturing fins for heat exchangers |
| US20020089397A1 (en) * | 2000-10-20 | 2002-07-11 | Uno Henningsson | Communication device |
| CN2604292Y (en) * | 2003-02-18 | 2004-02-25 | 罗春勋 | Punching head for improved rim spoke joint head hole |
| CN101269391A (en) * | 2007-03-21 | 2008-09-24 | 鸿富锦精密工业（深圳）有限公司 | Drip molding with flanging hole and its processing method |
| CN201758169U (en) * | 2010-05-07 | 2011-03-09 | 深圳市大富科技股份有限公司 | Cavity filter cover board and cavity filter |
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2010
- 2010-05-07 CN CN2010101729434A patent/CN101920503A/en active Pending
Patent Citations (6)
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| US4775847A (en) * | 1986-12-09 | 1988-10-04 | Motorola, Inc. | Tunable resonant cavity filter structure with enhanced ground return |
| US5237849A (en) * | 1992-02-19 | 1993-08-24 | Hidaka Seiki Kabushiki Kaisha | Method of manufacturing fins for heat exchangers |
| US20020089397A1 (en) * | 2000-10-20 | 2002-07-11 | Uno Henningsson | Communication device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103427310A (en) * | 2013-07-30 | 2013-12-04 | 深圳市旭鹏五金制品有限公司 | Punch forming method of fixing holes in electric coupler casing |
| CN105729565A (en) * | 2014-12-10 | 2016-07-06 | 西安航空动力控制科技有限公司 | Method for punching high dimensional precision hole in cloth-insulated rubber thin film |
| CN104681906A (en) * | 2015-02-26 | 2015-06-03 | 东莞鸿爱斯通信科技有限公司 | Cavity filter |
| CN108817863A (en) * | 2018-07-11 | 2018-11-16 | 苏州市协诚五金制品有限公司 | A kind of production method suitable for filter tuner cover board |
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Application publication date: 20101222 |