CN109216856B - Method for manufacturing radio frequency cable - Google Patents
Method for manufacturing radio frequency cable Download PDFInfo
- Publication number
- CN109216856B CN109216856B CN201811156130.9A CN201811156130A CN109216856B CN 109216856 B CN109216856 B CN 109216856B CN 201811156130 A CN201811156130 A CN 201811156130A CN 109216856 B CN109216856 B CN 109216856B
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- copper wire
- group
- rolling
- pressing wheels
- rolling pressing
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P11/00—Apparatus or processes specially adapted for manufacturing waveguides or resonators, lines, or other devices of the waveguide type
- H01P11/001—Manufacturing waveguides or transmission lines of the waveguide type
- H01P11/005—Manufacturing coaxial lines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C1/00—Manufacture of metal sheets, metal wire, metal rods, metal tubes by drawing
- B21C1/02—Drawing metal wire or like flexible metallic material by drawing machines or apparatus in which the drawing action is effected by drums
- B21C1/04—Drawing metal wire or like flexible metallic material by drawing machines or apparatus in which the drawing action is effected by drums with two or more dies operating in series
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C3/00—Profiling tools for metal drawing; Combinations of dies and mandrels
- B21C3/02—Dies; Selection of material therefor; Cleaning thereof
- B21C3/08—Dies; Selection of material therefor; Cleaning thereof with section defined by rollers, balls, or the like
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C9/00—Cooling, heating or lubricating drawing material
Abstract
The invention discloses a manufacturing method of a radio frequency cable, which comprises the following steps: 1) heating the copper wire; 2) carrying out thinning operation on the heated copper wire by at least one group of rolling pinch rollers; 3) and carrying out wire drawing operation on the thinned copper wire through a wire drawing die to finally obtain the inner conductor. The manufacturing method can improve the tensile property of the copper wire when the copper wire is matched with the rolling pinch roller and the wire drawing die by heating the copper wire, effectively ensures the tensile quality and reduces the probability of defects while facilitating the processing; the copper wire is preliminarily drawn in a rolling mode, and finally the inner conductor with the corresponding size is obtained through the wire drawing die.
Description
The present application is a divisional application entitled "method for manufacturing radio frequency cable" filed 2016, 28.04. 201610277809.8.
Technical Field
The invention relates to the field of cables, in particular to a manufacturing method of a radio frequency cable.
Background
Radio frequency cables are cables that transmit electromagnetic energy in the radio frequency range, are indispensable components in various radio communication systems and electronic devices, and have wide applications in wireless communication, broadcasting, television, radar, navigation, computers, meters, and the like.
The radio frequency cable sequentially comprises an inner conductor, a foaming layer, an outer conductor and a sheath from inside to outside, wherein the inner conductor of the radio frequency cable is formed by drawing a thick copper wire, the processing mode completely adopts a sliding mode to carry out fine drawing, so that more copper powder is easily generated, and waste is caused.
Disclosure of Invention
The invention provides a manufacturing method of a radio frequency cable capable of effectively reducing the amount of copper powder during processing aiming at the problems.
The technical scheme adopted by the invention is as follows:
a method of manufacturing a radio frequency cable comprising the steps of:
1) heating the copper wire;
2) carrying out thinning operation on the heated copper wire by at least one group of rolling pinch rollers;
3) and carrying out wire drawing operation on the thinned copper wire through a wire drawing die to finally obtain the inner conductor.
The manufacturing method can improve the tensile property of the copper wire when the copper wire is matched with the rolling pinch roller and the wire drawing die by heating the copper wire, effectively ensures the tensile quality and reduces the probability of defects while facilitating the processing; the copper wire is preliminarily drawn in a rolling mode, and finally the inner conductor with the corresponding size is obtained through the wire drawing die.
Optionally, in step 1), the temperature of the heated copper wire is as follows: 100-200 ℃.
The wire drawing performance of the copper wire is not obviously improved when the temperature is too low, the energy consumption is increased and the use of the lubricating liquid is adversely affected when the temperature is too high, and the energy consumption can be effectively reduced while the quality of the inner conductor is ensured by controlling the temperature of the heated copper wire to be 100-200 ℃.
Optionally, the steps 1) to 3) are performed by an inner conductor processing device; the inner conductor processing apparatus includes:
the heating container is provided with an inlet and an outlet, and the copper wire enters the heating container through the inlet and penetrates out of the outlet;
the heating element is arranged in the heating container and used for heating the copper wires in the heating container;
the three groups of rolling pressing wheels are positioned on the outer side of the outlet end of the heating container and are distributed at intervals along the movement direction of the copper wire, each group of rolling pressing wheels comprises two rolling pressing wheels which are symmetrically distributed on the periphery of the copper wire, the outer side wall of each rolling pressing wheel is provided with an arc-shaped groove, and the cross section of each arc-shaped groove is semicircular;
and the wire drawing die is used for performing wire drawing operation on the copper wire coming out of the rolling pressing wheel.
The heating container can heat the copper wire, and the arc recess of each rolling pinch roller can suppress the copper wire into the copper wire that the size is less, can carry out the wire drawing operation to the copper wire that comes out from the rolling pinch roller through the wire drawing mould, guarantees the size of inner conductor.
Optionally, the three groups of rolling pressing wheels are a first group of rolling pressing wheels, a second group of rolling pressing wheels and a third group of rolling pressing wheels in sequence, and the first group of rolling pressing wheels is adjacent to the heating container; the inner diameter of the arc-shaped groove of the first group of rolling pinch rollers is larger than that of the arc-shaped groove of the second group of rolling pinch rollers, and the inner diameter of the arc-shaped groove of the second group of rolling pinch rollers is larger than that of the arc-shaped groove of the third group of rolling pinch rollers.
The size of the copper wire can be gradually thinned through the three groups of rolling pinch rollers, and a good pressing effect is guaranteed.
Optionally, the second group of rolling pressing wheels rotate clockwise by 60 degrees around the axis direction of the copper wire relative to the first group of rolling pressing wheels; and the third group of rolling pinch rollers rotate clockwise by 60 degrees around the axis direction of the copper wire relative to the second group of rolling pinch rollers.
The axial direction of the copper wire refers to the axial direction of the copper wire part of the corresponding area of the corresponding component. The second group of rolling pinch rollers rotate clockwise by 60 degrees around the axis direction of the copper wire relative to the first group of rolling pinch rollers, and the third group of rolling pinch rollers rotate clockwise by 60 degrees around the axis direction of the copper wire relative to the second group of rolling pinch rollers, so that the indentation generated at the joint of the two rolling pinch rollers can be effectively reduced, and the roundness of the copper wire in the circumferential direction can be ensured.
Optionally, the device further comprises a lubricating spray head for spraying lubricating liquid to each group of rolling press wheels and the wire drawing die.
The copper wire can be lubricated through the lubricating spray head, and the surface quality of the copper wire is guaranteed.
Optionally, the inner conductor processing equipment further comprises two sets of positioning mechanisms arranged in the heating container, the two sets of positioning mechanisms are respectively arranged at two ends inside the heating container, and each positioning mechanism comprises:
at least three support bars evenly distributed around the outlet axis of the heating container,
the rotating wheel is rotatably arranged at the end part of the supporting rod and is used for being matched with the copper wire to limit the position of the copper wire.
The copper wire in the heating container can be reliably positioned by arranging the two groups of positioning mechanisms, so that the copper wire is prevented from shaking up and down and the like.
Optionally, the heating element is of a spiral coil pipe type structure, the heating element is sleeved on the copper wire and is arranged coaxially with the copper wire, and the distance between the heating element and the outer surface of the copper wire is 1 mm-3 mm.
Because of the existence of two sets of positioning mechanism, the position of copper wire in heating container can effectively be guaranteed to guarantee that heating element and the distance of copper wire surface are 1mm ~ 3mm that can be reliable, heating element be spiral coil tubular structure and overcoat on the copper wire, and it can guarantee to have great heating area to set up like this, and the distance of heating element and copper wire surface is very little, sets up like this and can improve heating efficiency greatly.
Optionally, the drawing die comprises a tapered bore.
Optionally, the wire drawing die and the three groups of rolling pressing wheels are arranged in the outer cover, and the outer cover is provided with a first through hole for the copper wire to penetrate through and a second through hole for the copper wire to penetrate out.
The invention has the beneficial effects that: the manufacturing method can improve the tensile property of the copper wire when the copper wire is matched with the rolling pinch roller and the wire drawing die by heating the copper wire, effectively ensures the tensile quality and reduces the probability of defects while facilitating the processing; the copper wire is preliminarily drawn in a rolling mode, and finally the inner conductor with the corresponding size is obtained through the wire drawing die.
Description of the drawings:
FIG. 1 is a flow chart of a method of manufacturing the radio frequency cable of the present invention;
FIG. 2 is a schematic structural view of an inner conductor processing apparatus;
FIG. 3 is a schematic view of the inner conductor processing apparatus with the outer cover removed;
fig. 4 is a schematic structural diagram of the inner conductor processing equipment with the outer cover, the upper shell and the lubricating nozzle removed.
The figures are numbered:
1. the device comprises copper wires, 2, a heating container, 3, an outer cover, 4, a lower shell, 5, an inlet, 6, an upper shell, 7, an outlet, 8, a lubricating spray head, 9, a first group of rolling pressing wheels, 10, a second group of rolling pressing wheels, 11, a third group of rolling pressing wheels, 12, an arc-shaped groove, 13, a wire drawing die, 14, a positioning mechanism, 15, a heating element, 16, a rotating wheel, 17 and a supporting rod.
The specific implementation mode is as follows:
the present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1, a method for manufacturing a radio frequency cable includes the following steps:
1) heating the copper wire;
2) carrying out thinning operation on the heated copper wire by at least one group of rolling pinch rollers;
3) and carrying out wire drawing operation on the thinned copper wire through a wire drawing die to finally obtain the inner conductor.
The manufacturing method of the embodiment can improve the tensile property of the copper wire when the copper wire is matched with the rolling pinch roller and the wire drawing die by heating the copper wire, is convenient to process, effectively ensures the tensile quality and reduces the probability of defects; the copper wire is preliminarily drawn in a rolling mode, and finally the inner conductor with the corresponding size is obtained through the wire drawing die.
In this embodiment, in step 1), the temperature of the heated copper wire is: 100-200 ℃.
The wire drawing performance of the copper wire is not obviously improved when the temperature is too low, the energy consumption is increased and the use of the lubricating liquid is adversely affected when the temperature is too high, and the energy consumption can be effectively reduced while the quality of the inner conductor is ensured by controlling the temperature of the heated copper wire to be 100-200 ℃.
As shown in fig. 3 and 4, in the present embodiment, steps 1) to 3) are performed by an inner conductor processing apparatus; the inner conductor processing equipment includes:
the heating container 2 is provided with an inlet 5 and an outlet 7, and the copper wires 1 enter the heating container 2 through the inlet 5 and penetrate out through the outlet 7; the heating container 2 of the present embodiment is composed of a lower shell 4 and an upper shell 6 which are fitted to each other;
the heating element 15 is arranged in the heating container 2 and used for heating the copper wire 1 in the heating container 2;
the three groups of rolling pressing wheels are positioned on the outer side of the outlet end of the heating container and are distributed at intervals along the movement direction of the copper wire, each group of rolling pressing wheels comprises two rolling pressing wheels which are symmetrically distributed on the periphery of the copper wire, the outer side wall of each rolling pressing wheel is provided with an arc-shaped groove 12, and the cross section of each arc-shaped groove is semicircular;
and the wire drawing die 13 is used for performing wire drawing operation on the copper wire coming out of the rolling pressing wheel.
The heating container can heat the copper wire, and the arc recess of each rolling pinch roller can suppress the copper wire into the copper wire that the size is less, can carry out the wire drawing operation to the copper wire that comes out from the rolling pinch roller through the wire drawing mould, guarantees the size of inner conductor.
In this embodiment, the three sets of rolling rollers are a first set of rolling rollers 9, a second set of rolling rollers 10 and a third set of rolling rollers 11 in sequence, and the first set of rolling rollers is adjacent to the heating container; the inner diameter of the arc-shaped groove of the first group of rolling pinch rollers is larger than that of the arc-shaped groove of the second group of rolling pinch rollers, and the inner diameter of the arc-shaped groove of the second group of rolling pinch rollers is larger than that of the arc-shaped groove of the third group of rolling pinch rollers.
The size of the copper wire can be gradually thinned through the three groups of rolling pinch rollers, and a good pressing effect is guaranteed.
In the embodiment, the second group of rolling pressing wheels rotate clockwise by 60 degrees around the axis direction of the copper wire relative to the first group of rolling pressing wheels; and the third group of rolling pinch rollers rotate clockwise by 60 degrees around the axis direction of the copper wire relative to the second group of rolling pinch rollers.
The axial direction of the copper wire refers to the axial direction of the copper wire part of the corresponding area of the corresponding component. The second group of rolling pinch rollers rotate clockwise by 60 degrees around the axis direction of the copper wire relative to the first group of rolling pinch rollers, and the third group of rolling pinch rollers rotate clockwise by 60 degrees around the axis direction of the copper wire relative to the second group of rolling pinch rollers, so that the indentation generated at the joint of the two rolling pinch rollers can be effectively reduced, and the roundness of the copper wire in the circumferential direction can be ensured.
In this embodiment, the device further includes a lubrication nozzle 8 for spraying a lubricating fluid to each set of rolling press wheels and drawing dies. The copper wire can be lubricated through the lubricating spray head, and the surface quality of the copper wire is guaranteed.
As shown in fig. 4, in this embodiment, the inner conductor processing apparatus further includes two sets of positioning mechanisms 14 disposed in the heating container, the two sets of positioning mechanisms are respectively disposed at two ends of the heating container, and each positioning mechanism includes:
at least three support bars 17 evenly distributed around the outlet axis of the heating vessel,
and the rotating wheel 16 is rotatably arranged at the end part of the supporting rod 17 and is used for being matched with the copper wire 1 to limit the position of the copper wire.
The copper wire in the heating container can be reliably positioned by arranging the two groups of positioning mechanisms, so that the copper wire is prevented from shaking up and down and the like.
In this embodiment, the heating element 15 is a spiral coil structure, the heating element 15 is sleeved on the copper wire 1 and is coaxially arranged with the copper wire, and the distance between the heating element and the outer surface of the copper wire is 1 mm-3 mm.
Because of the existence of two sets of positioning mechanism, the position of copper wire in heating container can effectively be guaranteed to guarantee that heating element and the distance of copper wire surface are 1mm ~ 3mm that can be reliable, heating element be spiral coil tubular structure and overcoat on the copper wire, and it can guarantee to have great heating area to set up like this, and the distance of heating element and copper wire surface is very little, sets up like this and can improve heating efficiency greatly.
In this embodiment, the drawing die includes a tapered hole.
As shown in fig. 2, in this embodiment, the wire drawing device further includes an outer cover 3, the wire drawing die and the three sets of rolling pressing wheels are all disposed in the outer cover, and the outer cover has a first through hole for the copper wire to penetrate through and a second through hole for the copper wire to penetrate through.
The above description is only for the preferred embodiment of the present invention and is not intended to limit the scope of the present invention, and all equivalent structural changes made by using the contents of the present specification and the drawings can be directly or indirectly applied to other related technical fields and are included in the scope of the present invention.
Claims (3)
1. A method of manufacturing a radio frequency cable, comprising the steps of:
1) heating the copper wire, wherein the temperature of the heated copper wire is as follows: 100-200 ℃;
2) carrying out thinning operation on the heated copper wire by at least one group of rolling pinch rollers;
3) drawing the thinned copper wire by using a drawing die to finally obtain an inner conductor;
the steps 1) to 3) are operated by inner conductor processing equipment; the inner conductor processing apparatus includes:
the heating container is provided with an inlet and an outlet, and the copper wire enters the heating container through the inlet and penetrates out of the outlet;
the heating element is arranged in the heating container and used for heating the copper wires in the heating container;
the three groups of rolling pressing wheels are positioned on the outer side of the outlet end of the heating container and are distributed at intervals along the movement direction of the copper wire, each group of rolling pressing wheels comprises two rolling pressing wheels which are symmetrically distributed on the periphery of the copper wire, the outer side wall of each rolling pressing wheel is provided with an arc-shaped groove, and the cross section of each arc-shaped groove is semicircular;
the wire drawing die is used for performing wire drawing operation on the copper wire coming out of the rolling pressing wheel;
the three groups of rolling pressing wheels are a first group of rolling pressing wheels, a second group of rolling pressing wheels and a third group of rolling pressing wheels in sequence, and the first group of rolling pressing wheels is adjacent to the heating container; the inner diameter of the arc-shaped groove of the first group of rolling pressing wheels is larger than that of the arc-shaped groove of the second group of rolling pressing wheels, and the inner diameter of the arc-shaped groove of the second group of rolling pressing wheels is larger than that of the arc-shaped groove of the third group of rolling pressing wheels;
the second group of rolling pinch rollers rotate clockwise for 60 degrees around the axis direction of the copper wire relative to the first group of rolling pinch rollers;
the third group of rolling pinch rollers rotate clockwise for 60 degrees around the axis direction of the copper wire relative to the second group of rolling pinch rollers;
inner conductor processing equipment is still including setting up two sets of positioning mechanism in heating container, and two sets of positioning mechanism set up respectively at the inside both ends of heating container, and each positioning mechanism all includes:
at least three support bars evenly distributed around the outlet axis of the heating container,
the rotating wheel is rotatably arranged at the end part of the supporting rod and is used for being matched with the copper wire to limit the position of the copper wire;
the heating element is of a spiral coil pipe type structure, the heating element is sleeved on the copper wire and is arranged coaxially with the copper wire, and the distance between the heating element and the outer surface of the copper wire is 1-3 mm.
2. The method of claim 1, wherein the drawing die includes a tapered bore.
3. The method for manufacturing the radio frequency cable according to claim 1, further comprising an outer cover, wherein the wire drawing die and the three sets of rolling pressing wheels are arranged in the outer cover, and the outer cover is provided with a first through hole for the copper wire to penetrate through and a second through hole for the copper wire to penetrate through.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811156130.9A CN109216856B (en) | 2016-04-28 | 2016-04-28 | Method for manufacturing radio frequency cable |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610277809.8A CN105977603B (en) | 2016-04-28 | 2016-04-28 | The manufacturing method of radio-frequency cable |
| CN201811156130.9A CN109216856B (en) | 2016-04-28 | 2016-04-28 | Method for manufacturing radio frequency cable |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610277809.8A Division CN105977603B (en) | 2016-04-28 | 2016-04-28 | The manufacturing method of radio-frequency cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109216856A CN109216856A (en) | 2019-01-15 |
| CN109216856B true CN109216856B (en) | 2020-11-13 |
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Family Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811172261.6A Active CN109390652B (en) | 2016-04-28 | 2016-04-28 | Method for manufacturing radio frequency cable |
| CN201610277809.8A Active CN105977603B (en) | 2016-04-28 | 2016-04-28 | The manufacturing method of radio-frequency cable |
| CN201811156130.9A Active CN109216856B (en) | 2016-04-28 | 2016-04-28 | Method for manufacturing radio frequency cable |
| CN201811156873.6A Active CN109216857B (en) | 2016-04-28 | 2016-04-28 | Method for manufacturing radio frequency cable |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811172261.6A Active CN109390652B (en) | 2016-04-28 | 2016-04-28 | Method for manufacturing radio frequency cable |
| CN201610277809.8A Active CN105977603B (en) | 2016-04-28 | 2016-04-28 | The manufacturing method of radio-frequency cable |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811156873.6A Active CN109216857B (en) | 2016-04-28 | 2016-04-28 | Method for manufacturing radio frequency cable |
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Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITMI20020466U1 (en) * | 2002-10-11 | 2004-04-12 | Vassena Filiere S R L | EQUIPMENT FOR COLD DRAWING OF A METAL WIRE |
| JP5177261B2 (en) * | 2011-08-01 | 2013-04-03 | 新日鐵住金株式会社 | Controlled rolling method of seamless steel pipe with excellent strength and low temperature toughness |
| JP5998758B2 (en) * | 2012-08-31 | 2016-09-28 | 三菱マテリアル株式会社 | Rough drawn copper wire and winding, and method for producing rough drawn copper wire |
| CN104028961B (en) * | 2014-06-11 | 2017-12-22 | 远东电缆有限公司 | A kind of middle strength aluminium alloy line and its production technology |
| CN104785561B (en) * | 2015-04-09 | 2017-10-24 | 江苏中辰电缆有限公司 | It is a kind of to be used for the method for metal break flour reduction in electric wire drawing process |
| CN104867626A (en) * | 2015-04-28 | 2015-08-26 | 安徽顺驰电缆有限公司 | Production technology of cable |
| CN204934225U (en) * | 2015-08-10 | 2016-01-06 | 焦作同心电缆有限公司 | A kind of alloy bar material wire drawing mould |
| CN204906743U (en) * | 2015-09-09 | 2015-12-23 | 四川韦克电缆有限公司 | Automatic accuse temperature heating cable |
| CN205059682U (en) * | 2015-09-30 | 2016-03-02 | 鹤山市精工制版有限公司 | Dolly is used in assembly of jumbo size version roller |
-
2016
- 2016-04-28 CN CN201811172261.6A patent/CN109390652B/en active Active
- 2016-04-28 CN CN201610277809.8A patent/CN105977603B/en active Active
- 2016-04-28 CN CN201811156130.9A patent/CN109216856B/en active Active
- 2016-04-28 CN CN201811156873.6A patent/CN109216857B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN109390652A (en) | 2019-02-26 |
| CN109390652B (en) | 2020-11-13 |
| CN105977603B (en) | 2018-12-18 |
| CN105977603A (en) | 2016-09-28 |
| CN109216856A (en) | 2019-01-15 |
| CN109216857A (en) | 2019-01-15 |
| CN109216857B (en) | 2020-11-13 |
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