CN103182632A - Method for molding and producing resonance rod by adopting flow control - Google Patents

Method for molding and producing resonance rod by adopting flow control Download PDF

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Publication number
CN103182632A
CN103182632A CN201310032298XA CN201310032298A CN103182632A CN 103182632 A CN103182632 A CN 103182632A CN 201310032298X A CN201310032298X A CN 201310032298XA CN 201310032298 A CN201310032298 A CN 201310032298A CN 103182632 A CN103182632 A CN 103182632A
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CN
China
Prior art keywords
rod
hole
resonant
moulding
cylindrical hole
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CN201310032298XA
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Chinese (zh)
Inventor
危宾
杨艳玲
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危宾
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Priority to CN201310032298XA priority Critical patent/CN103182632A/en
Publication of CN103182632A publication Critical patent/CN103182632A/en

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Abstract

The invention provides a method for molding and producing a resonance rod by adopting flow control. The resonance rod comprises a rod body and hole-shaped cavities positioned at the two ends of the rod body. The method comprises the following steps: extruding a column-shaped rod body with predetermined weight or size in a combined manner; forming a first column hole and an annular cone hole both axially arranged inside one side of the column-shaped rod body and forming a second column hole axially arranged inside the other side of the column-shaped rod body, wherein the first column hole and the second column hole are positioned at the two ends of the rod body; and punching or drilling the column-shaped rod body to form a through hole for communicating the annular cone hole with the second column hole. According to the method, no cuttings are produced during the production process of combined extrusion; material and labor cost is saved; the minimum order quantity of products is not required; the much debug time of dies is saved; and besides, the combined extrusion can realize once formation at one position, thus, the machining efficiency is higher; and nonferrous metals such as copper and aluminum, and ferrous metal raw materials made of mild carbon steel of various grades can be machined.

Description

A kind of method that adopts the control moulding of flowing to make resonant rod

Technical field

The present invention relates to the resonant rod manufacturing process, relate in particular to a kind of method that adopts the control moulding of flowing to make resonant rod.

Background technology

The whole world enters the information age, and mobile communication has critical role in the information transmission, and along with the develop rapidly of mechanics of communication, radio-frequency technique has irreplaceable effect.And the resonant rod part that in radio-frequency technique, is absolutely necessary, the annual use amount in the whole world is at tens million of.Along with the significantly raising of China's equipment manufacture level, well-known in the world communication apparatus manufacturing company is all in China's buying or manufacturing related components.

The dimension precision requirement of resonant rod is very high, complex structure.Traditional manufacturing process generally all is the lathe manufacturing, and this mode is inefficiency and consumed a large amount of precious metal resources not only, and stock utilization is less than 30%.The technology that present also useful sheet metal stretching and multistage cold former are produced resonant rod.The resonant rod of sheet metal stretching is because tensile properties, the R angle of material bending part causes the electric index of system lower, and multistage cold former is the equipment of producing screw and so on standard component in enormous quantities, because efficient is high, so the lowest manufactured amount to part has requirement again, because the size of resonant rod is adjusted at any time with work condition environment, so also can't be widely used at present.Above various reasons has caused the obstacle of resonant rod production, thereby has seriously restricted the development of communications industry.

Summary of the invention

The objective of the invention is to solve the problem that prior art exists, a kind of method that adopts the control moulding of flowing to make resonant rod is provided, in carrying out the Compound Extrusion production process, do not have cutting and produce, saved material and human cost, effectively reduced energy consumption.The minimum minimum quantity of an order of product-free and saved a large amount of die debugging times.Simultaneously, Compound Extrusion realizes one-shot forming by single station, and working (machining) efficiency is higher.

In order to reach above-mentioned technical purpose, the present invention by the following technical solutions:

A kind of method that adopts the control moulding of flowing to make resonant rod, this resonant rod comprises the body of rod and is positioned at the poroid die cavity at body of rod two ends that this method may further comprise the steps:

The cylindricality body of rod of A Compound Extrusion predetermined weight or volume, at inner first cylindrical hole and the annular taper hole that axially arranges that form of a side of the described cylindricality body of rod, at inner second cylindrical hole that axially arranges that forms of the opposite side of the cylindricality body of rod, first cylindrical hole and second cylindrical hole are positioned at the two ends of the described body of rod;

B is, and the cylindricality body of rod carries out punching or boring, to form the through hole that is communicated with annular taper hole and second cylindrical hole.

Preferred as such scheme also comprises after the described step B:

C carries out surface treatment to described resonant rod;

D tests to described resonant rod;

E packs described resonant rod.

Preferred as such scheme, described steps A adopt Compound Extrusion equipment to realize (per minute working (machining) efficiency>5) by single station.

Preferred as such scheme, described Compound Extrusion equipment comprises forcing press and mould, described mould comprises punch, die, die shrink ring, lower punch, quenching hard packing plate and discharger and push rod.

Preferred as such scheme, described forcing press can be in hydraulic press, toggle press, cold extrusion press, the friction press any.

Preferred as such scheme also comprises before the described steps A and chooses raw material, with described raw material through making the cylindrical body of rod of predetermined weight or volume after softening, the lubricated.

Preferred as such scheme, described first cylindrical hole, annular taper hole, second cylinder, through hole and the coaxial setting of the described cylinder body of rod.

Preferred as such scheme, the angle between the axis of the conical surface of described annular taper hole and the described cylinder body of rod are 45 to spend.

Preferred as such scheme, the length of described resonant rod is 23.5 ± 0.1mm; The diameter of the described body of rod is 10.0 ± 0.05mm; The diameter of the described body of rod first cylindrical hole is 8.0 ± 0.1mm; The degree of depth of the described body of rod first cylindrical hole and annular taper hole and be 17.5 ± 0.05mm; The bottom tapering of the annular taper hole of the described body of rod is 90 degree; The diameter of the described body of rod second cylindrical hole is 8.0 ± 0.1mm; The degree of depth of the described body of rod second cylindrical hole is 5 ± 0.05mm; The diameter of described through hole is 3.1 ± 0.1mm.

Preferred as such scheme, the described cylindricality body of rod is non-ferrous metal or ferrous metal.

Owing to have said structure, the present invention has the following advantages compared to existing technology:

1, the control moulding of adopt flowing is carried out Compound Extrusion and can accurately be controlled the non-homogeneous plasticity of metal material and flow, and improves its forming property, can realize the precision form of complicated parts more; Generation of defects such as can effectively avoid folding, be not full of, make metal streamline fine and close continuously, improve the product mechanical performance of products; Can make piece surface brighter and cleaner, dimensional accuracy is higher, and its tolerance can reach IT8~9 grade.By metal blank is exerted pressure, make this resonant rod by its metal flow of control, moulding in the space of mould given shape.

2, Compound Extrusion realizes by single station, has improved the working (machining) efficiency of workpiece.

3, Compound Extrusion equipment adopts the combination of forcing press and mould, has simplified the structure of equipment, has improved the ease for operation of equipment.

Description of drawings

In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, obviously, 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 is that the present invention adopts the control moulding of flowing to make the flow chart of the method for resonant rod;

Fig. 2 is the structure chart of the cylinder body of rod of the present invention's predetermined of making resonant rod;

Fig. 3 is that resonant rod of the present invention is through the part cutaway view after the Compound Extrusion;

Fig. 4 is that resonant rod of the present invention is through the part cutaway view after the punching;

Fig. 5 is that the present invention adopts the control moulding of flowing to make the subsequent flow of the method for resonant rod;

Fig. 6 is the final three-dimensional structure diagram of resonant rod of the present invention;

Fig. 7 is the Compound Extrusion mould structure schematic diagram that the embodiment of the invention provides;

Fig. 8 is the location diagram when going up punch, lower punch and discharger matched moulds among Fig. 7;

Fig. 9 is the mould structure schematic diagram that carries out punching that the embodiment of the invention provides.

The specific embodiment

Below in conjunction with accompanying drawing of the present invention, technical scheme of the present 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 obtains under the creative work prerequisite.

As shown in Figure 1, the invention provides a kind of method that adopts the control moulding of flowing to make resonant rod, this resonant rod comprises the body of rod and is positioned at the poroid die cavity at body of rod two ends that this method may further comprise the steps:

Step S101, the cylindricality body of rod of Compound Extrusion predetermined or weight, as shown in Figure 2, the cylindricality body of rod 1 that uses in the present embodiment is diameter 10mm, the mild steel cylinder of height 10.05mm.As shown in Figure 3, be 17.5mm at axial first cylindrical hole 11 that arranges of the inner formation of a side of the described cylindricality body of rod 1 and the degree of depth of annular taper hole 12, the first cylindrical holes 11, diameter is 8mm, the tapering of annular taper hole 12 is 90 degree.The degree of depth at axial second cylindrical hole, 13, the second cylindrical holes 13 that arrange of the inner formation of the opposite side of the cylindricality body of rod 1 is 5mm, and diameter is 8mm, and first cylindrical hole 11 and second cylindrical hole 13 are positioned at the two ends of the described body of rod 1;

Step S102 carries out punching or boring to the cylindricality body of rod 1, to form the through hole 14 that is communicated with annular taper hole and second cylindrical hole.As shown in Figure 4, the diameter of through hole 14 is 3.1mm.Described first cylindrical hole 11, annular taper hole 12, second cylinder 13, through hole 14 and the described cylinder body of rod 1 coaxial setting.

By the resonant rod that above-mentioned steps is made, do not have cutting and produce, the waste of resource when having avoided traditional handicraft to manufacture.Therefore save material and cost of labor, production cycle more, cost of goods manufactured is low.While product size precision height, design of part is closely knit, and intensity significantly improves, and the communication index is stable.

As shown in Figure 5, in a specific embodiment of the present invention, a kind of method that adopts the control moulding of flowing to make resonant rod comprises other follow-up flow processs, has both also comprised following flow process after the step S102:

Step S501 carries out surface treatment to described resonant rod, and surface treatment comprises polishing, cleans and carry out antirust processing etc.

Step S502 tests to described resonant rod, adopts the vertical admeasuring apparatus of slide calliper rule, micrometer or axiality to check the precision of resonant rod 1 in this step.The concrete value at resonant rod 1 each position is as follows: the length of resonant rod 1 is 23.5 ± 0.1mm; Diameter is 10.0 ± 0.05mm; The diameter of the described body of rod first cylindrical hole 11 is 8.0 ± 0.1mm; The degree of depth of the described body of rod first cylindrical hole and annular taper hole and be 17.5 ± 0.05mm; The bottom tapering of the annular taper hole 12 of the described body of rod is 90 degree; The diameter of the described body of rod second cylindrical hole 13 is 8.0 ± 0.1mm; The degree of depth of the described body of rod second cylindrical hole 13 is 5 ± 0.05mm; The diameter of described through hole 14 is 3.1 ± 0.1mm.Fig. 6 shows the stereogram of the resonant rod that present embodiment produces.

Step S503 packs described resonant rod.In this follow-up flow process, also comprise the outward appearance sorting and put up Sign Board, packing case is inserted the examination and test of products quality certification etc.

In one embodiment of the invention, described step S101 adopts Compound Extrusion equipment to realize by single station.Can finish the moulding of resonant rod first cylindrical hole 11, annular taper hole 12 and second cylindrical hole 13, working (machining) efficiency greatly improves at every turn.Per minute can reach more than 5, has reduced production cost and manufacturing cycle and raw-material loss significantly.

According to embodiments of the invention, the idiographic flow of resonant rod moulding is: choose raw material, with described raw material through making the cylindrical body of rod 1 of predetermined weight or volume after softening, the lubricated; Then the described cylindrical body of rod 1 is sent into Compound Extrusion equipment and carry out the closed Compound Extrusion, at inner first cylindrical hole 11 and the annular taper hole 12 that axially arranges that form of a side of the described cylindricality body of rod 1, at inner second cylindrical hole, 13, the first cylindrical holes 11 of axially setting and the two ends that second cylindrical hole 13 is positioned at the described body of rod of forming of the opposite side of the cylindricality body of rod 1; The cylinder body of rod 1 is sent into punching apparatus carry out punching, to form the through hole 14 that is communicated with annular taper hole 12 and second cylindrical hole 13.

In the above-described embodiments, described Compound Extrusion equipment comprises forcing press and mould, Fig. 7 shows Compound Extrusion mould structure schematic diagram, and described mould comprises punch 101, die 102, die shrink ring 103, lower punch 104, quenching hard packing plate 106, discharger 105 and push rod 107.As shown in Figure 8, during matched moulds, there is certain clearance between last punch 101 and the lower punch 104, preferably 0.85 mm clearance; The top of lower punch 104 exceeds certain distance than the top of discharger 105.Preferably exceed 6 millimeters.Described punching apparatus comprises forcing press and mould, Fig. 9 shows the mould structure schematic diagram that carries out punching, and it mainly comprises: cope match-plate pattern 201, lower bolster 204, guide pillar 206, guide pin bushing 205, following edge of a knife punch 203, upper slitter stomatodeum mould 202, discharger 208, elastic rubber 207.

The cylindrical body of rod 1 is inserted in the Compound Extrusion mould closed Compound Extrusion body of rod 1.At this moment, lower punch 104 is static, and last punch 101 moves downward, the body of rod 1 is exerted pressure, moulding distortion takes place in the stressed back of the body of rod 1, and material flows to space specified in mould, in mould, formed at last first cylindrical hole is arranged, the resonant rod product of taper hole and second cylindrical hole; Stamping-out resonant rod product on punching die is inserted in first cylindrical hole on the lower punch 203 of punching die then, and the edge of a knife stamping-out when utilizing upper slitter stomatodeum mould 202 and following edge of a knife punch 203 matched moulds goes out through hole.

Preferably, described forcing press can be in hydraulic press, toggle press, cold extrusion press, the friction press any.

The cylindricality body of rod that uses in the present embodiment is mild steel, also can adopt other non-ferrous metal, as copper, aluminium and other low-carbon alloy steel.

In sum, make resonant rod by a kind of method that adopts the control moulding of flowing to make resonant rod provided by the invention, in whole process of production, not having cutting produces, avoided traditional handicraft to adopt that turning produces and the spillage of material that causes and saved the production cycle, therefore save material more, save time and artificial manufacturing cost, make cost of goods manufactured significantly with low.The resonant rod that the performance of the resonant rod of making is made than sheet metal stretching, multi-station cold-heading is more desirable.Simultaneously, Compound Extrusion adopts single station processing, and working (machining) efficiency is greatly improved.

The above; only be the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; can expect easily changing or replacing, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of described claim.

Claims (10)

1. one kind is adopted mobile control moulding to make the method for resonant rod, and this resonant rod comprises the body of rod and is positioned at the poroid die cavity at body of rod two ends, it is characterized in that this method may further comprise the steps:
The cylindricality body of rod of A Compound Extrusion predetermined weight or volume, at inner first cylindrical hole and the annular taper hole that axially arranges that form of a side of the described cylindricality body of rod, at inner second cylindrical hole that axially arranges that forms of the opposite side of the cylindricality body of rod, first cylindrical hole and second cylindrical hole are positioned at the two ends of the described body of rod;
B is, and the cylindricality body of rod carries out punching or boring, to form the through hole that is communicated with annular taper hole and second cylindrical hole.
2. employing according to claim 1 is flowed and is controlled the method that resonant rod is made in moulding, it is characterized in that, also comprises after the described step B:
C carries out surface treatment to described resonant rod;
D tests to described resonant rod;
E packs described resonant rod.
3. employing according to claim 1 is flowed and is controlled the method that resonant rod is made in moulding, it is characterized in that, described steps A adopts Compound Extrusion equipment to realize by single station.
4. employing according to claim 3 is flowed and is controlled the method that resonant rod is made in moulding, it is characterized in that, described Compound Extrusion equipment comprises forcing press and mould, and described mould comprises punch, die, die shrink ring, lower punch, quenching hard packing plate and discharger and push rod.
5. the method for resonant rod is made in the employing according to claim 4 control moulding of flowing, and it is characterized in that, described forcing press can be in hydraulic press, toggle press, cold extrusion press, the friction press any.
6. employing according to claim 1 is flowed and is controlled the method that resonant rod is made in moulding, it is characterized in that, also comprise before the described steps A and choose raw material, with described raw material through making the cylindrical body of rod of predetermined weight or volume after softening, the lubricated.
7. employing according to claim 1 is flowed and is controlled the method that resonant rod is made in moulding, it is characterized in that described first cylindrical hole, annular taper hole, second cylinder, through hole and the coaxial setting of the described cylinder body of rod.
8. employing according to claim 1 is flowed and is controlled the method that resonant rod is made in moulding, it is characterized in that, the angle between the axis of the conical surface of described annular taper hole and the described cylinder body of rod is 45 degree.
9. employing according to claim 1 is flowed and is controlled the method that resonant rod is made in moulding, it is characterized in that,
The length of described resonant rod is 23.5 ± 0.1mm;
The diameter of the described body of rod is 10.0 ± 0.05mm;
The diameter of the described body of rod first cylindrical hole is 8.0 ± 0.1mm;
The degree of depth of the described body of rod first cylindrical hole and annular taper hole and be 17.5 ± 0.05mm;
The bottom tapering of the annular taper hole of the described body of rod is 90 degree;
The diameter of the described body of rod second cylindrical hole is 8.0 ± 0.1mm;
The degree of depth of the described body of rod second cylindrical hole is 5 ± 0.05mm;
The diameter of described through hole is 3.1 ± 0.1mm.
10. employing according to claim 1 is flowed and is controlled the method that resonant rod is made in moulding, it is characterized in that the described cylindricality body of rod is non-ferrous metal or ferrous metal.
CN201310032298XA 2013-01-28 2013-01-28 Method for molding and producing resonance rod by adopting flow control CN103182632A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103753150A (en) * 2014-01-27 2014-04-30 重庆电子工程职业学院 Manufacturing method for magnesium-alloy honeycomb blind hole structural part
CN104259747A (en) * 2014-07-30 2015-01-07 成都晋杰汽车零部件有限公司 Cold heading forming process of filter resonance rod
CN104759838A (en) * 2015-02-04 2015-07-08 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

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103753150A (en) * 2014-01-27 2014-04-30 重庆电子工程职业学院 Manufacturing method for magnesium-alloy honeycomb blind hole structural part
CN103753150B (en) * 2014-01-27 2016-03-09 重庆电子工程职业学院 A kind of preparation method of magnesium alloy honeycomb blind hole structural member
CN104259747A (en) * 2014-07-30 2015-01-07 成都晋杰汽车零部件有限公司 Cold heading forming process of filter resonance rod
CN104759838A (en) * 2015-02-04 2015-07-08 湖北广固科技有限公司 Processing method for Invar steel resonant rod
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

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Application publication date: 20130703