CN104259747A - Cold heading forming process of filter resonance rod - Google Patents
Cold heading forming process of filter resonance rod Download PDFInfo
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- CN104259747A CN104259747A CN201410368224.8A CN201410368224A CN104259747A CN 104259747 A CN104259747 A CN 104259747A CN 201410368224 A CN201410368224 A CN 201410368224A CN 104259747 A CN104259747 A CN 104259747A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P7/00—Resonators of the waveguide type
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Abstract
The invention discloses a cold heading forming process of a filter resonance rod. The cold heading forming process comprises the following steps: (1) mold shaping: a raw material is cut into sections, and the ends are shaped; (2) mold shaping: the head ends of semi-finished products in the step (1) are extruded to have upper cylindrical bodies and middle cylindrical bodies; (3) mold shaping: the middle parts of the outer end surfaces of the tail ends of semi-finished products in the step (2) are inwards extruded to form inner grooves; (4) mold drawing: the depths of the annular grooves are increased; (5) mold preforming; and (6) mold punching. The production process, provided by the invention, shortens the process steps of the prior art, reduces the waste of the raw material, and improves the processing efficiency.
Description
Technical field
The present invention relates to the parts resonant rod of telefilter, be specifically related to adopt cold-forging technique to make the method for resonant rod.
Background technology
Resonant rod is used in part necessary on space flight broadcasting and TV communication base station equipment, has another name called oscillator, reflection bar, harmonic oscillator, resonant column etc.The roughing technique of existing filter resonance bar adopts vertical bar bar, and by punching machine blanking, punch press repeatedly extruded bar stock distortion, obtains resonant rod.Traditional production method has many defects, such as: 1, energy resource consumption is large; Traditional processing method needs three punch presses independent shaping by three times, so just increases the consumption of the energy.2, production efficiency is low, produces at most 1900 from the every platform per tour of punching production technique, and equipment investment is large, and production capacity is low.3, raw material loss is large, and the blank weight extruded by punch press at present reaches every part about 63g, and the raw material C14500 tellurium copper material of resonant rod is current a kind of new material, wherein tellurium is a kind of rare earth element comparatively lacked, product blank is very heavy, and waste is very large, is long-term loss to resource.4, constant product quality is poor, and Sheet Metal Forming Technology is by repeatedly shaping separately, and every procedure controls all there is certain difficulty.
In order to solve above-mentioned deficiency of the prior art, the present invention proposes a kind of new solution.
Summary of the invention
The object of this invention is to provide a kind of consumptive material few, the cold-heading molding technique of the filter resonance bar that working (machining) efficiency is high.
For reaching above-mentioned purpose, mistake of the present invention embodiments provides a kind of cold-heading molding technique of filter resonance bar, comprises the following steps:
One mould shaping: by the raw material section of cutting into, and by end shaping, make the head end of cylindric raw material have circular arc chamfering, obtain mould semi-finished product;
Two mould shapings: the extruding of a mould half-finished head end is formed the two mould semi-finished product with upper column and cylindrical body; The diameter wherein going up column is less than cylindrical body, and the diameter of cylindrical body is less than the half-finished tail end of two moulds;
Three mould shapings: inwardly squeeze out inner groovy by the middle part of the two half-finished tail end outer faces of mould, two mould semi-finished product are inwardly squeezed out annular recess near the end face of cylindrical body, obtains three mould semi-finished product;
Four die drawings are dark: inwardly extruded by the half-finished annular recess of three moulds, the degree of depth of its annular recess is strengthened, obtains four mould semi-finished product;
Five mould preformed: carry out shaping processing to the half-finished tail end of four moulds, make the inner groovy of its tail end identical with the tail end groove shapes of filter resonance bar; Obtain five mould semi-finished product;
Six extruding orifices; Inwardly offer hexagonal hole at the inner groovy of five mould semi-finished product tail ends, obtain six mould semi-finished product, then processing obtains finished product.
In sum, the present invention has the following advantages:
In the manufacturing process of resonant rod, the product obtaining six mould semi-finished shape is technological difficulties, can be completed by the Product processing finished product of six mould semi-finished shape by routine techniques.Manufacture craft provided by the invention, shortens processing step of the prior art, decreases the waste of raw material, improves working (machining) efficiency.
Accompanying drawing explanation
Fig. 1 a is the half-finished sectional view of a mould;
Fig. 1 b is the half-finished sectional view of two moulds;
Fig. 2 a is the half-finished sectional view of three moulds;
Fig. 2 b is the half-finished sectional view of four moulds;
Fig. 3 a is the half-finished sectional view of five moulds;
Fig. 3 b is the half-finished sectional view of six moulds;
Fig. 4 is the half-finished stereogram of six moulds;
Fig. 5 is the stereogram of resonant rod finished product.
Wherein, 1, upper column; 2, cylindrical body; 3, external screw thread; 4, circular; 5, end cap; 6, inner groovy; 7, hexagonal hole; 8, annular recess; 9, annulus connecting portion; 10, ring-type arcwall face.
Detailed description of the invention
One embodiment of the present of invention, in a mould reforming process, by the strip material section of cutting into containing tellurium copper, and by end shaping, make the head end of cylindric raw material have circular arc chamfering, obtain mould semi-finished product.In one mould reforming process, the diameter of raw material is 17.15mm ~ 17.17mm, and every section after shearing adds labor and materials diameter also at 17.15mm ~ 17.17mm; The height of circular arc chamfered part can at 5mm ~ 8mm.
One embodiment of the present of invention, in two mould reforming process, a head end extruding mould semi-finished product with circular arc chamfered part forms the two mould semi-finished product with upper column 1 and cylindrical body 2.The diameter of upper column 1 is less than cylindrical body 2, and the diameter of cylindrical body 2 is less than the half-finished tail end of two moulds.In finished product, upper column 1 is provided with external screw thread 3, the junction of upper column 1 and cylindrical body 2 has circular 4, and the half-finished tail end of two moulds is processed into the part of end cap 5, inner groovy 6 and hexagonal hole 7 on finished product by cold-heading.
In two mould reforming process, the center line of upper column 1, cylindrical body 2 and two mould semi-finished product tail ends is coaxial.The diameter of upper column 1 can be 8.1mm, and length can be 12.255mm; The diameter of cylindrical body 2 can be 10.1mm, and length can be 9.1mm; The diameter of two mould semi-finished product tail ends can be 17.3mm.
One embodiment of the present of invention, in three mould reforming process, inner groovy 6 is inwardly squeezed out by the middle part of the two half-finished tail end outer faces of mould, two mould semi-finished product are inwardly squeezed out annular recess 8 near the end face of cylindrical body 2, and the junction between annular recess 8 inside and cylindrical body 2 forms circular annulus connecting portion 9; Obtain three mould semi-finished product.The half-finished inner groovy 6 of three moulds and annular recess 8 be first one-step forming just, is corresponding with volume inner groovy 6 on finished product and annular recess 8 after subsequent technique.This process processes the half-finished tail end of two moulds, but in extrusion process on the size of column 1 and cylindrical body 2 slightly affect, the tail end circumference maximum diameter that three moulds after processing can be made half-finished is 26.8mm, and thickness is 5.11mm; The diameter of upper column 1 is 8.11mm, and length is 13.8mm; The diameter of cylindrical body 2 is 10.15mm, and length is 8.0mm; The arc radius of annular recess 8 is 8mm.
One embodiment of the present of invention, in four mould drawing processes, inwardly can extrude the half-finished annular recess 8 of three moulds, the degree of depth of its annular recess 8 is strengthened, and after the degree of depth increasing of annular recess 8, the degree of depth of annulus connecting portion 9 increases thereupon, more obvious in appearance, obtain four mould semi-finished product.In four mould drawing processes, the diameter of upper column 1 is 8.11mm, and length is 13.8mm, and the diameter of cylindrical body 2 is 10.2mm, and length is 8.2mm; The arc radius of annular recess 8 is 2mm, and the ring-type arcwall face 10 of four mould semi-finished product inner groovy 6 peripheries is 2.64 degree with the angle of horizontal plane, namely four moulds half-finished tail end end face has slight caving inward, namely causes in extrusion process.
One embodiment of the present of invention, in five mould preform process, can carry out shaping processing to the half-finished tail end of four moulds, make the inner groovy 6 of its tail end identical with the tail end groove shapes of filter resonance bar.The ring-type arcwall face 10 of four mould semi-finished product inner groovy 6 peripheries and horizontal plane can be made simultaneously to keep tie row, deepen the degree of depth of annular recess 8 further, add the degree of depth of large circle connecting portion 9 further, obtain five mould semi-finished product.The half-finished tail end diameter of five moulds is 27mm, and thickness is 7.5mm, and the degree of depth of inner groovy 6 is 4mm, and the diameter of upper column 1 is 8.11, and length is 13.8mm; The diameter of cylindrical body 2 is 10.27mm, and length is 8.16mm.
In one embodiment of the present of invention, in six extruding orifices processes, can inwardly offer hexagonal hole 7 at the inner groovy 6 of five mould semi-finished product tail ends, obtain six mould semi-finished product.The half-finished total length of six moulds is 27.5mm, and the half-finished tail end thickness of six moulds is 7.5mm, and the degree of depth of inner groovy 6 is 4mm, and the diameter of tail end is 27mm.
In one embodiment of the present of invention, after obtaining six mould semi-finished product, by six mould semi-finished product centrally axle run through formed columniform port, make column 1, cylindrical body 2 and six moulds half-finished tail end three inner hollow.And be provided with internal thread at port near the position of hexagonal hole 7.Port is provided with external screw thread 3 near one end of upper column 1.The junction of upper column 1 and cylindrical body 2 is squeezed into circular 3; Then silver-plated on surfaces externally and internally, obtain finished product.The diameter of the upper column 1 of finished product is 6mm, and length is 6mm; The diameter of cylindrical body 2 is 8mm, and length is 7.8mm; The diameter of annulus connecting portion 9 is 16mm, is highly 4mm, and the degree of depth of annular recess 8 is 7mm.
Claims (8)
1. a cold-heading molding technique for filter resonance bar, comprises the following steps:
One mould shaping: by the raw material section of cutting into, and by end shaping, make the head end of cylindric raw material have circular arc chamfering, obtain mould semi-finished product;
Two mould shapings: the extruding of a mould half-finished head end is formed the two mould semi-finished product with upper column and cylindrical body; The diameter wherein going up column is less than cylindrical body, and the diameter of cylindrical body is less than the half-finished tail end of two moulds;
Three mould shapings: inwardly squeeze out inner groovy by the middle part of the two half-finished tail end outer faces of mould, two mould semi-finished product are inwardly squeezed out annular recess near the end face of cylindrical body, obtains three mould semi-finished product;
Four die drawings are dark: inwardly extruded by the half-finished annular recess of three moulds, the degree of depth of its annular recess is strengthened, obtains four mould semi-finished product;
Five mould preformed: carry out shaping processing to the half-finished tail end of four moulds, make the inner groovy of its tail end identical with the tail end groove shapes of filter resonance bar; Obtain five mould semi-finished product;
Six extruding orifices; Inwardly offer hexagonal hole at the inner groovy of five mould semi-finished product tail ends, obtain six mould semi-finished product, then processing obtains finished product.
2. technique as claimed in claim 1, is characterized in that: in the process six mould semi-finished product processing being obtained finished product be: by six mould semi-finished product centrally axle run through and form columniform port, port is provided with internal thread near the position of hexagonal hole; Port is provided with external screw thread near one end of upper column; The junction of upper column and cylindrical body is squeezed into circular; Then silver-plated on surfaces externally and internally, obtain finished product.
3. technique as claimed in claim 1, it is characterized in that: in a mould reforming process, the diameter of raw material is 17.15mm ~ 17.17mm.
4. technique as claimed in claim 1, it is characterized in that: in two mould reforming process, the center line of upper column, cylindrical body and two mould semi-finished product tail ends is coaxial; The diameter of upper column is 8.1 ± 0.02mm, and length is 12.255 ± 0.05mm; The diameter of cylindrical body is 10.1 ± 0.02mm, and length is 9.1 ± 0.05mm; The diameter of two mould semi-finished product tail ends is 17.3 ± 0.02mm.
5. technique as claimed in claim 1, it is characterized in that: in three mould reforming process, the half-finished tail end diameter of three moulds is 26.8mm, and thickness is 5.11mm; The diameter of upper column is 8.11 ± 0.05mm, and length is 13.8mm; The diameter of cylindrical body is 10.15 ± 0.05mm, and length is 8.0mm; The arc radius of annular recess is 8mm.
6. technique as claimed in claim 1, it is characterized in that: in four mould drawing processes, the diameter of upper column is 8.11mm, and length is 13.8mm, and the diameter of cylindrical body is 10.2mm, and length is 8.2mm; The arc radius of annular recess is 2mm, and the ring-type arcwall face of four mould semi-finished product inner groovy peripheries and the angle of horizontal plane are 2.64 degree.
7. technique as claimed in claim 1, it is characterized in that: in five mould preform process, the half-finished tail end diameter of five moulds is 27mm, and thickness is 7.5mm, and the degree of depth of inner groovy is 4mm, and the diameter of upper column is 8.11, and length is 13.8mm; The diameter of cylindrical body is 10.27mm, and length is 8.16mm.
8. technique as claimed in claim 1, it is characterized in that: in six extruding orifices processes, the half-finished total length of six moulds is 27.5mm, and the half-finished tail end thickness of six moulds is 7.5mm, and the degree of depth of inner groovy is 4mm, and the diameter of tail end is 27mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410368224.8A CN104259747B (en) | 2014-07-30 | 2014-07-30 | The cold-heading molding technique of filter resonance bar |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410368224.8A CN104259747B (en) | 2014-07-30 | 2014-07-30 | The cold-heading molding technique of filter resonance bar |
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| Publication Number | Publication Date |
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| CN104259747A true CN104259747A (en) | 2015-01-07 |
| CN104259747B CN104259747B (en) | 2016-06-01 |
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| CN201410368224.8A Expired - Fee Related CN104259747B (en) | 2014-07-30 | 2014-07-30 | The cold-heading molding technique of filter resonance bar |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105269259A (en) * | 2015-11-06 | 2016-01-27 | 瑞安市华诺五金制造有限公司 | Shaft sleeve machining method |
| CN108161350A (en) * | 2017-12-19 | 2018-06-15 | 江苏伊莱尔电力科技有限公司 | A kind of filter resonance bar moulding process |
| CN110193577A (en) * | 2019-07-02 | 2019-09-03 | 上海裴椒汽车部件制造有限公司 | Overcome the hard pipe joint cold heading technique that easily deformation occurs |
| CN113070646A (en) * | 2021-04-09 | 2021-07-06 | 湖北广固科技有限公司 | Method for processing resonance rod without flanging structure |
Citations (7)
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|---|---|---|---|---|
| US4991421A (en) * | 1990-03-08 | 1991-02-12 | Simon Joseph A | Method for extruding an elongated, lightweight rack |
| CN102172656A (en) * | 2010-12-10 | 2011-09-07 | 深圳航空标准件有限公司 | Resonance rod cold heading manufacturing method |
| CN202050045U (en) * | 2011-05-05 | 2011-11-23 | 深圳航空标准件有限公司 | Resonance rod |
| CN202058842U (en) * | 2011-04-22 | 2011-11-30 | 武汉凡谷电子技术股份有限公司 | Cold-heading resonance rod |
| CN102810715A (en) * | 2011-06-01 | 2012-12-05 | 深圳市大富科技股份有限公司 | Resonance rod, cavity filter and method for manufacturing resonance rod |
| CN103182632A (en) * | 2013-01-28 | 2013-07-03 | 危宾 | Method for molding and producing resonance rod by adopting flow control |
| CN103615525A (en) * | 2013-12-10 | 2014-03-05 | 江苏威鹰机械有限公司 | Transmission planetary gear carrier with support shaft and production process thereof |
-
2014
- 2014-07-30 CN CN201410368224.8A patent/CN104259747B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4991421A (en) * | 1990-03-08 | 1991-02-12 | Simon Joseph A | Method for extruding an elongated, lightweight rack |
| CN102172656A (en) * | 2010-12-10 | 2011-09-07 | 深圳航空标准件有限公司 | Resonance rod cold heading manufacturing method |
| CN202058842U (en) * | 2011-04-22 | 2011-11-30 | 武汉凡谷电子技术股份有限公司 | Cold-heading resonance rod |
| CN202050045U (en) * | 2011-05-05 | 2011-11-23 | 深圳航空标准件有限公司 | Resonance rod |
| CN102810715A (en) * | 2011-06-01 | 2012-12-05 | 深圳市大富科技股份有限公司 | Resonance rod, cavity filter and method for manufacturing resonance rod |
| CN103182632A (en) * | 2013-01-28 | 2013-07-03 | 危宾 | Method for molding and producing resonance rod by adopting flow control |
| CN103615525A (en) * | 2013-12-10 | 2014-03-05 | 江苏威鹰机械有限公司 | Transmission planetary gear carrier with support shaft and production process thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105269259A (en) * | 2015-11-06 | 2016-01-27 | 瑞安市华诺五金制造有限公司 | Shaft sleeve machining method |
| CN108161350A (en) * | 2017-12-19 | 2018-06-15 | 江苏伊莱尔电力科技有限公司 | A kind of filter resonance bar moulding process |
| CN110193577A (en) * | 2019-07-02 | 2019-09-03 | 上海裴椒汽车部件制造有限公司 | Overcome the hard pipe joint cold heading technique that easily deformation occurs |
| CN113070646A (en) * | 2021-04-09 | 2021-07-06 | 湖北广固科技有限公司 | Method for processing resonance rod without flanging structure |
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| CN104259747B (en) | 2016-06-01 |
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Granted publication date: 20160601 Termination date: 20170730 |