CN102172656B - Resonance rod cold heading manufacturing method - Google Patents
Resonance rod cold heading manufacturing method Download PDFInfo
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- CN102172656B CN102172656B CN 201010586436 CN201010586436A CN102172656B CN 102172656 B CN102172656 B CN 102172656B CN 201010586436 CN201010586436 CN 201010586436 CN 201010586436 A CN201010586436 A CN 201010586436A CN 102172656 B CN102172656 B CN 102172656B
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Abstract
The invention discloses a resonance rod cold-heading manufacturing method, wherein the resonance rod comprises a rod body integrally formed by cold heading and a head part at one end of the rod body. The method comprises the following steps: cutting the raw material into a rod body of a predetermined length, directly extruding the rod body in a closed manner, and shaping the two ends of the rod body respectively; indirectly extruding one end of the rod body in a closed manner, and forming a first annular taper hole and a first column hole which are axially arranged in the rod body; directly extruding the other end of the rod body in an open manner so as to form a head part like an annular flange, and forming a second column hole and a second annular taper hole which are axially arranged in the rod body; indirectly extruding the rod body so as to increase the depths of the second column hole and the second annular taper hole; and directly extruding the rod body to finish the final forming of the head part, and punching the rod body so as to form a through hole communicated with the first column hole and the second annular taper hole. Therefore, the method disclosed by the invention saves materials, the product manufacturing cost is low, and the processing efficiency is relatively high.
Description
Technical field
The present invention relates to the resonant rod manufacturing process, relate in particular to a kind of resonance rod cold heading manufacture method.
Background technology
Mobile communication business develop rapidly, RF device become product indispensable in the construction of communication base station, and apply in a large number the resonant rod product in RF device.Resonant rod adopts engine lathe turning processing for many years as the core component of RF device because its required precision is higher, rear appearance because of automatic lathe makes its product working (machining) efficiency and product quality be enhanced.But along with the fast development of mobile communication and 3G business, the working (machining) efficiency of resonant rod becomes restriction client improving product output, reduces the obstacle of every cost in recent years.
Existing resonant rod work flow comprises: turning, cleaning, oiling and packing.Because the resonant rod product structure is complicated, required precision is higher, existing manufacturing process mainly relies on automatic lathe to carry out turning, guarantees its product quality.Yet automatic lathe is expensive, and import equipment is RMB70 ten thousand approximately; Working (machining) efficiency is low, processes approximately 500/8h/ board of quantity every day; Because of machining, produce more waste material simultaneously, its metal streamline is also therefore destroyed.
In summary, existing resonant rod processing technology obviously exists inconvenience and defective, in actual use so be necessary to be improved.
Summary of the invention
For above-mentioned defective, the object of the present invention is to provide a kind of resonance rod cold heading manufacture method, its working (machining) efficiency is higher, more save material, and cost of goods manufactured is low.
To achieve these goals, the invention provides a kind of resonance rod cold heading manufacture method, a kind of resonance rod cold heading manufacture method, this resonant rod comprises that the method comprises the following steps by the integrated body of rod of cold-heading and the head that is positioned at the described body of rod one end:
The cylindricality body of rod of predetermined length is cut in A, closed forward extrusion, to described body of rod two ends carrying out respectively shaping;
B, the described body of rod of closed backward extrusion be an end wherein, at inner the first annular taper hole and the first cylindrical hole that axially arranges that form of the described body of rod;
The other end of C, the described body of rod of open forward extrusion is to form the head of flange in the form of a ring, simultaneously at inner the second cylindrical hole and the second annular taper hole that axially arranges that form of the described body of rod;
D, the described body of rod of backward extrusion are to increase the degree of depth of described the second cylindrical hole and the second annular taper hole;
E, the described body of rod of forward extrusion carry out punching to the described body of rod simultaneously to complete the final shaping of described head, to form the through hole that is communicated with described the first cylindrical hole and the second annular taper hole.
According to resonance rod cold heading manufacture method of the present invention, also comprise after described step e:
F, described resonant rod is carried out surface treatment;
G, described resonant rod is always examined;
H, described resonant rod is packed.
According to resonance rod cold heading manufacture method of the present invention, described resonant rod adopts the cold-heading equipment of 6 stations to process continuously, and 6 stations are processed 6 resonant rods (working (machining) efficiency per minute＞70) simultaneously.
According to resonance rod cold heading manufacture method of the present invention, described steps A is carried out respectively shaping by two stations to the two ends of the described body of rod respectively, and described step B, C, D, E realize by a station respectively.
According to resonance rod cold heading manufacture method of the present invention, described cold-heading equipment comprises that preshoot, preshoot lining bar, square pediment stick cover, collet, punching rush excellent lining bar, square perforation rod cover, backlash, backlash cushion block and running folder.
According to resonance rod cold heading manufacture method of the present invention, also comprise before described steps A and choose raw material, described raw material are sheared to form the described body of rod.
According to resonance rod cold heading manufacture method of the present invention, the described first annular taper hole and described the second cylindrical hole lay respectively at described body of rod two ends, and the described second annular taper hole and described the first cylindrical hole are between the described first annular taper hole and described the second cylindrical hole.
According to resonance rod cold heading manufacture method of the present invention, described the first cylindrical hole, the second cylindrical hole, through hole and the coaxial setting of the described body of rod.
According to resonance rod cold heading manufacture method of the present invention, the angle between the conical surface of described the second annular taper hole and the axis of the described body of rod is 45 degree.
According to resonance rod cold heading manufacture method of the present invention, the length of described resonant rod is 17.1 ± 0.07cm; The diameter of the described body of rod is 10.0 ± 0.05cm; The diameter of described head is 15.0 ± 0.2cm; The length of described head is 2.0 ± 0.15cm; The diameter of described the first cylindrical hole is 5.6 ± 0.1cm; The diameter of described the second cylindrical hole is 8.0 ± 0.1cm; The diameter of described through hole is 3.2 ± 0.2cm.
Resonant rod of the present invention adopts fashion of extrusion to be shaped by cold heading technique, in whole cold upsetting production process, produces without cutting, has avoided traditional handicraft to adopt that turning produces and spillage of material that cause.Whereby, the present invention saves material more, and cost of goods manufactured is low.Simultaneously, adopt continuous multi-station cold-heading equipment to process, each station is completed one of them step, and a plurality of stations are processed a plurality of resonant rods that change into simultaneously, and working (machining) efficiency is higher.
Description of drawings
Fig. 1 is the flow chart of resonance rod cold heading manufacture method of the present invention;
Fig. 2 is that the body of rod of the present invention is through the side view after step S101;
Fig. 3 is that the body of rod of the present invention is through the cutaway view after step S102;
Fig. 4 is that the body of rod of the present invention is through the cutaway view after step S103;
Fig. 5 is that the body of rod of the present invention is through the cutaway view after step S104;
Fig. 6 is that the body of rod of the present invention is through the cutaway view after step S105;
Fig. 7 is the subsequent flow of resonance rod cold heading manufacture method of the present invention;
Fig. 8 is the three-dimensional structure diagram of resonant rod final structure of the present invention;
Fig. 9 is the mould structure schematic diagram of the first station of providing of the embodiment of the present invention～the 5th station; And
Figure 10 is the mould structure schematic diagram of the 6th station that provides of the embodiment of the present invention.
The specific embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.
As shown in Figure 1, a kind of resonance rod cold heading manufacture method of the present invention, this resonant rod 100 comprises that the method comprises the following steps by the integrated body of rod 10 of cold-heading and the head 20 that is positioned at the body of rod 10 1 ends:
Step S101, the cylindricality body of rod 10 of predetermined length is cut in the closed forward extrusion, to the body of rod 10 two ends carrying out respectively shaping.Fig. 2 has illustrated the body of rod 10 through the side-looking structure after these steps, and the body of rod 10 two ends comprise the taper seat 11 that forms by shaping.In the forward extrusion process, material flow direction is consistent with the mold movement direction.Simultaneously, should at first choose raw material before this step, raw material are sheared to form long 14cm, diameter is the cylindrical body of rod 10 of 9.3cm.
Step S102, the closed backward extrusion body of rod 10 is an end wherein, at inner the first annular taper hole 12 and the first cylindrical hole 13 that axially arranges that form of the body of rod 10.Fig. 3 shows the body of rod 10 through the sectional structure after step S102.As seen from Figure 3, the first annular taper hole 12 is positioned at the outer end of the body of rod 10, and the first cylindrical hole 13 is away from the outer end of the body of rod 10.In the backward extrusion process, material flow direction and mold movement opposite direction.
Step S103, the other end of the open forward extrusion body of rod 10 is to form the head 14 of flange in the form of a ring, simultaneously at inner the second cylindrical hole 15 and the second annular taper hole 16 that axially arranges that form of the body of rod 10.Fig. 4 shows the body of rod 10 through the sectional structure after step S103.As seen from Figure 4, the second cylindrical hole 15 is positioned at the outer end of the body of rod 10, and the second annular taper hole 16 is away from the outer end of the body of rod 10.
Step S104, the backward extrusion body of rod 10 is to increase the degree of depth of the second cylindrical hole 15 and the second annular taper hole 16.Fig. 5 shows the body of rod 10 through the sectional structure after step S104.
Step S105, the forward extrusion body of rod 10 carries out punching to the body of rod 10 simultaneously to complete the final shaping of head 14, to form the through hole 17 that is communicated with the first cylindrical hole 13 and the second annular taper hole 16.Fig. 6 shows the body of rod 10 through the sectional structure after step S105.As can be seen from Figure 6, the first annular taper hole 12 and the second cylindrical hole 15 lay respectively at the body of rod 10 two ends, and the second annular taper hole 16 and the first cylindrical hole 13 are between the first annular taper hole 12 and the second cylindrical hole 15.And the first cylindrical hole 13, the second cylindrical hole 15, through hole 17 and the coaxial setting of the body of rod 10.
In above-mentioned 5 steps, resonant rod 100 adopts fashion of extrusion to be shaped by cold heading technique, in whole cold upsetting production process, produce without cutting, avoided traditional handicraft to adopt that turning produces and spillage of material that cause, so the present invention saves material more, cost of goods manufactured is low.Forging mold wearing and tearing simultaneously are (approximately 200,000/cover) very slowly, and the product size precision is easy to guarantee; The resultant metal streamline is continuous, and fatigue strength is also higher than the machining part.
As shown in Figure 7, in a specific embodiment of the present invention, change the resonance rod cold heading manufacture method into and also comprise other follow-up flow processs, both also comprised following flow process after step S105:
Step S701 carries out surface treatment to resonant rod 100, and surface treatment comprises cleaning and carries out antirust processing etc.
Step S702 always examines resonant rod 100, adopts in this step the vertical admeasuring apparatus of slide calliper rule, micrometer or axiality to check the precision of resonant rod 100.The concrete value at resonant rod 100 each positions is as follows: the length of resonant rod 100 is 17.1 ± 0.07cm; The diameter of the body of rod 10 is 10.0 ± 0.05cm; The diameter of head 14 is 15.0 ± 0.2cm; The length of head 14 is 2.0 ± 0.15cm; The diameter of the first cylindrical hole 13 is 5.6 ± 0.1cm; The diameter of the second cylindrical hole 15 is 8.0 ± 0.1cm; The diameter of through hole 17 is 3.2 ± 0.2cm.Simultaneously, the angle between the axis of the conical surface of the second annular taper hole 16 and the body of rod 10 is 45 degree.
Step S703 packs resonant rod 100.Preferably, also comprise outward appearance sorting and delivery etc. in this follow-up flow process.
In one embodiment of the invention, resonant rod 100 adopts the cold-heading equipment of 6 stations to process continuously, 6 stations are processed 6 resonant rods 100 simultaneously, described step S101 carries out respectively shaping by two stations to the two ends of the body of rod 10 respectively, and step S102, step S103, step S104, step S105 realize by a station respectively.The present invention adopts continuous multistation to process, and a plurality of stations are processed a plurality of resonant rods 100 simultaneously, working (machining) efficiency higher (about 55/minute), thus reduced cost of goods manufactured.
According to embodiments of the invention, the moulding idiographic flow of resonant rod 100 comprises: choose suitable raw material, these raw material are sheared to form the columned body of rod 10; The body of rod 10 is moved in the first station, and shaping is carried out in one of them end to the body of rod 10 in the first station; The body of rod 10 is overturn, send in the second station, shaping is carried out in another end to the body of rod 10 in the second station; The body of rod 10 is overturn, send in the 3rd station, in the 3rd station, the body of rod 10 is carried out the closed backward extrusion, to form the first annular taper hole 12 and the first cylindrical hole 13; The body of rod 10 is overturn, send in the 4th station, in the 4th station, the body of rod 10 is carried out open forward extrusion, to form head 14, the second cylindrical hole 15 and the second annular taper hole 16; The body of rod 10 is moved in the 5th station, in the 5th station, the body of rod 10 is carried out backward extrusion, to increase the degree of depth of the second cylindrical hole 15 and the second annular taper hole 16; The body of rod 10 is moved in the 6th station, in the 6th station, the body of rod 10 is carried out forward extrusion, to complete the final shaping of head 14, simultaneously the body of rod 10 is carried out punching, to form the through hole 17 that is communicated with the first cylindrical hole 13 and the second annular taper hole 16.
In the above-described embodiments, wherein, the first station, the second station, the 3rd station, the 4th station and the 5th station can adopt identical mould, and Fig. 9 shows the mould structure schematic diagram of the first station～the 5th station.It mainly comprises following cold-heading equipment: preshoot 101, preshoot lining bar 102, square pediment stick cover 103, collet 104, backlash 105, backlash cushion block 106.Figure 10 shows the mould structure schematic diagram of the 6th station, and the mould of the 6th station mainly comprises following cold-heading equipment: excellent lining bar 107, square perforation rod cover 108, collet 104, backlash 105, backlash cushion block 106 are rushed in preshoot 101, punching.Also be provided with simultaneously the running folder that the body of rod 10 is carried out translation and turning operation between each station.
In sum, resonant rod of the present invention adopts fashion of extrusion to be shaped by cold heading technique, in whole cold upsetting production process, produce without cutting, avoided traditional handicraft to adopt that turning produces and spillage of material that cause, whereby, the present invention saves material more, and cost of goods manufactured is low.Simultaneously, adopt continuous multi-station cold-heading equipment to process, each station is completed one of them step, and a plurality of stations are processed a plurality of resonant rods that change into simultaneously, and working (machining) efficiency is higher.
Certainly; the present invention also can have other various embodiments; in the situation that do not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art work as can make according to the present invention various corresponding changes and distortion, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the present invention.
Claims (6)
1. a resonance rod cold heading manufacture method, is characterized in that, this resonant rod comprises that the method comprises the following steps by the integrated body of rod of cold-heading and the head that is positioned at the described body of rod one end:
The cylindricality body of rod of predetermined length is cut in A, closed forward extrusion, to described body of rod two ends carrying out respectively shaping;
B, the described body of rod of closed backward extrusion be an end wherein, at inner the first annular taper hole and the first cylindrical hole that axially arranges that form of the described body of rod;
The other end of C, the described body of rod of open forward extrusion is to form the head of flange in the form of a ring, simultaneously at inner the second cylindrical hole and the second annular taper hole that axially arranges that form of the described body of rod;
D, the described body of rod of backward extrusion are to increase the degree of depth of described the second cylindrical hole and the second annular taper hole;
E, the described body of rod of forward extrusion carry out punching to the described body of rod simultaneously to complete the final shaping of described head, to form the through hole that is communicated with described the first cylindrical hole and the second annular taper hole;
Described resonant rod adopts the cold-heading equipment of 6 stations to process continuously, and 6 stations are processed 6 resonant rods simultaneously;
Described steps A is carried out respectively shaping by two stations to the two ends of the described body of rod respectively, and described step B, C, D, E realize by a station respectively;
Described cold-heading equipment comprises that preshoot, preshoot lining bar, square pediment stick cover, collet, punching rush excellent lining bar, square perforation rod cover, backlash, backlash cushion block and running folder;
The described first annular taper hole and described the second cylindrical hole lay respectively at described body of rod two ends, and the described second annular taper hole and described the first cylindrical hole are between the described first annular taper hole and described the second cylindrical hole.
2. resonance rod cold heading manufacture method according to claim 1, is characterized in that, also comprises after described step e:
F, described resonant rod is carried out surface treatment;
G, described resonant rod is always examined;
H, described resonant rod is packed.
3. resonance rod cold heading manufacture method according to claim 1, is characterized in that, also comprises before described steps A and choose raw material, and described raw material are sheared to form the described body of rod.
4. resonance rod cold heading manufacture method according to claim 1, is characterized in that, described the first circle
Post hole, the second cylindrical hole, through hole and the coaxial setting of the described body of rod.
5. resonance rod cold heading manufacture method according to claim 1, is characterized in that, described the second ring
Angle between the conical surface of shape taper hole and the axis of the described body of rod is 45 degree.
6. resonance rod cold heading manufacture method according to claim 1, is characterized in that,
The length of described resonant rod is 17.1 ± 0.07cm;
The diameter of the described body of rod is 10.0 ± 0.05cm;
The diameter of described head is 15.0 ± 0.2cm;
The length of described head is 2.0 ± 0.15cm;
The diameter of described the first cylindrical hole is 5.6 ± 0.1cm;
The diameter of described the second cylindrical hole is 8.0 ± 0.1cm;
The diameter of described through hole is 3.2 ± 0.2cm.
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| CN 201010586436 CN102172656B (en) | 2010-12-10 | 2010-12-10 | Resonance rod cold heading manufacturing method |
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| CN 201010586436 CN102172656B (en) | 2010-12-10 | 2010-12-10 | Resonance rod cold heading manufacturing method |
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| CN102172656B true CN102172656B (en) | 2013-05-08 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102654742A (en) * | 2012-03-07 | 2012-09-05 | 南精机电（深圳）有限公司 | Development sleeve, development roller and development sleeve manufacturing method |
| JP5713982B2 (en) * | 2012-10-30 | 2015-05-07 | ジヤトコ株式会社 | Method for forming hollow portion in shaft portion |
| CN103182632A (en) * | 2013-01-28 | 2013-07-03 | 危宾 | Method for molding and producing resonance rod by adopting flow control |
| CN104259747B (en) * | 2014-07-30 | 2016-06-01 | 成都晋杰汽车零部件有限公司 | The cold-heading molding technique of filter resonance bar |
| CN104759838B (en) * | 2015-02-04 | 2017-02-22 | 湖北广固科技有限公司 | Processing method for Invar steel resonant rod |
| 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 |
| CN112705907A (en) * | 2019-10-24 | 2021-04-27 | 邱晨 | Manufacturing method and manufacturing device of prefabricated part connecting sleeve |
| CN113458787A (en) * | 2020-03-31 | 2021-10-01 | 邱晨 | Manufacturing method and manufacturing device of screw cap |
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| CN1544171A (en) * | 2003-08-27 | 2004-11-10 | 凤城市金伟汽车配件厂 | Inside spin spline cold extrusion forming and processing method and device |
| CN101758368A (en) * | 2008-12-24 | 2010-06-30 | 襄阳汽车轴承股份有限公司 | Composite forging inner/outer same set process of small-medium size British system conical bearing sleeved column |
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