CN103586375A - Wave-spring processing system and processing method - Google Patents
Wave-spring processing system and processing method Download PDFInfo
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- CN103586375A CN103586375A CN201310484356.2A CN201310484356A CN103586375A CN 103586375 A CN103586375 A CN 103586375A CN 201310484356 A CN201310484356 A CN 201310484356A CN 103586375 A CN103586375 A CN 103586375A
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Abstract
The invention belongs to the technical field of spring manufacturing, and relates to wave springs, in particular to a wave-spring processing system and a processing method. A fixed die is tile-shaped with the inner side provided with a fixed tile-shaped block, a fixed wave-shaped forming surface is arranged at the end portion of the fixed tile-shaped block, a moving die is tile-shaped with the inner side provided with a moving tile-typed block, a moving wave-shaped forming surface is arranged on the end portion of the moving tile-shaped block, and opposite positions of the fixed forming surface and the moving forming surface as well as the fixed forming surface and the moving forming surface are matched with each other when the moving die and the fixed die are fastened. Compared with the prior art, the wave-spring processing system and the processing method have the advantages of being reasonable in design, simple in structure, high in acceptability, low in manufacturing cost, environmentally friendly, applicable to production of products different in specifications, satisfactory to demands of enterprises, economical in equipment cost of the enterprises, easy to demount, convenient to maintain, simple to operate and convenient to process.
Description
Technical field
The invention belongs to spring manufacturing technology field, relate to wavy spring, especially relate to a kind of wavy spring system of processing and processing method.
Background technology
Wavy spring is a kind of on circular metal and have the flexible member of several peak valleys, and its size and elastic force required precision are higher, can be used for the hydraulic valve industries such as military project, petrochemical industry, iron and steel, metallurgy, boats and ships.At present, the processing method of wavy spring, for wire rod being turned to flat circle, adopts special-purpose mould to process, but the product of processing is lost round phenomenon; For multi-layer corrugated spring, exist that crest is not corresponding with trough, dislocation skew, defective tightness occurs that loose phenomenon is yielding between layers, causes qualification rate to reduce, and has further caused the reduction of production efficiency.And in prior art, it is reasonable not that the processing method of wavy spring also exists procedure arrangement, the technical problems such as complex operation.
Summary of the invention
The object of the invention is for the problems referred to above, provide a kind of reasonable in design, simple in structure, wavy spring system of processing and processing method that qualification rate is high.
For achieving the above object, the present invention has adopted following technical proposal: this wavy spring system of processing, comprise frame, in frame, be provided with opposed quiet mould and moving mold, described quiet mould is fixed in frame, on described moving mold, be connected with and can drive this moving mold mutually to fasten with quiet mould or separated driving mechanism, it is characterized in that, described quiet mould is watt type and is provided with quiet watt of type piece in quiet mould inner side, the quiet forming surface quiet watt of type piece end with undulate, described moving mold is watt type and is provided with moving watt type piece in moving mold inner side, the moving forming surface in moving watt type piece end with undulate, described quiet forming surface and moving forming surface opposite and when moving mold and quiet mould fasten described in quiet forming surface and moving forming surface match.
Further, owing to being provided with quiet mould, thereby to be processed can be placed on quiet mould, by moving mold and quiet mould, be fastened on to be processed the upper waveform that forms, because quiet forming surface and moving forming surface match, thereby can make the waveform segment cross section after moulding equate.
In above-mentioned wavy spring system of processing, quiet watt of described type piece is arranged on the middle and upper part of quiet mould and is connected as a single entity with quiet mould, described moving watt type piece is arranged on the lower end of moving mold and is connected as a single entity with moving mold, and the moving watt lateral surface of type piece and the medial surface of quiet mould described in when moving mold fastens with quiet mould contact.
Further, quiet mould and quiet watt of type piece and moving watt type piece and moving mold can form by formed by integrally casting, also can adopt post-production to form.
In above-mentioned wavy spring system of processing, described quiet mould is connected with frame by the first demountable structure, and described moving mold is connected with driving mechanism by the second demountable structure.
Further, owing to being provided with the first demountable structure and the second demountable structure, thereby the quiet mould of replacing and the moving mold that can need according to the processing of different size, and can change fast quiet mould and moving mold by demountable structure, thereby can only need to change quiet mould and moving mold just can be processed the wavy spring of different size, the equipment cost of having saved enterprise, has reduced input, has more saved the waste of social resources.
In above-mentioned wavy spring system of processing, described driving mechanism comprises power transmission shaft, and this power transmission shaft is located in the cylindrical shell that is fixed on frame, and described moving mold is fixed on one end of power transmission shaft, the other end of power transmission shaft is hinged with transmission component, and described transmission component is hinged with foot-operated.By foot-operated, control, thereby can better operate machine by both hands.
As preferably, transmission component can adopt prior art, only need to utilize and ride and can drive power transmission shaft to move axially along cylindrical shell by transmission component, this structure adopts extensively in the prior art, repeat no more, on transmission component, be also provided with the reset assembly that can after foot-operated trampling, moving mold be resetted, described reset assembly comprises the back-moving spring being arranged between power transmission shaft and cylindrical shell.Certainly, reset assembly can also be arranged on the return unit on riding, and can make moving mold reset timely after work.
In above-mentioned wavy spring system of processing, described frame is provided with workbench, on workbench, be provided with through hole, described quiet mould is fixed on mount pad, and described mount pad is fixed on workbench by the first described demountable structure and quiet mould is positioned at through hole top.
Further, owing to being provided with through hole on workbench, thereby can dismantle easily or install quiet mould.
In above-mentioned wavy spring system of processing, the first described demountable structure comprises some pressure strips, one end of described pressure strip is pressed on mount pad, other end frame is on the cushion block being positioned on workbench, and described pressure strip middle part is equipped with fastening bolt and fastening bolt is located on workbench.
Further, owing to being provided with pressure strip, thereby can make mount pad be fixed on workbench; Owing to being provided with cushion block, thereby can protect workbench, prevent that pressure strip from causing damage to workbench; Owing to fixing by fastening bolt, thereby can dismantle efficiently pressure strip.As preferably, described workbench is provided with the slotted eye that wears workbench, and described fastening bolt is through described slotted eye, and can in slotted eye, move.Certainly, also can be directly fixed on by screw be also feasible on workbench to mount pad.
The method of this wavy spring system of processing processing wavy spring comprises the steps:
One end of the flat filament that is flat by cross section being coiled to the spring blank circle forming is placed in the quiet forming surface of quiet mould along spring blank circle axial withdrawal and by pulling open part, and pulls open the length that length is partly not less than quiet forming surface;
Thereby drive described moving mold that quiet forming surface and moving forming surface are fastened mutually by driving mechanism, make the flat filament between quiet forming surface and moving forming surface form undaform, then driving mechanism drives described moving mold to reset, and the flat filament of undaform is moved to outside quiet forming surface;
The flat filament being connected with spring blank circle undaform flat filament is also placed in the quiet forming surface of upper quiet mould along spring blank circle axial withdrawal, again drive described moving mold, and so forth until the flat filament of spring blank circle is all squeezed into waveform, thereby make wavy spring.
In the method for above-mentioned wavy spring system of processing processing wavy spring, described spring blank circle processes by following manner: steel wire is flattened into the flat filament that cross section is flat, then flat filament is coiled and is the cylindrical body that is arranged in order into spring-like by flat filament circle, and the flat horizontal surface of flat filament circle is in contact with one another.
Compared with prior art, the advantage of this wavy spring system of processing and processing method is: 1, reasonable in design, simple in structure, qualification rate is high.2, low cost of manufacture, environmental protection.3, be applicable to the production of different size.4, the demand that meets enterprise, the equipment cost of saving enterprise.5, dismounting is simple, easy to maintenance.6, simple to operate, easy to process.
Accompanying drawing explanation
Fig. 1 is structural representation provided by the invention.
Fig. 2 is the structural representation of spring blank circle provided by the invention.
In figure, frame 1, quiet mould 2, moving mold 3, driving mechanism 4, quiet watt of type piece 21, quiet forming surface 211, moving watt type piece 31, moving forming surface 311, the first demountable structure 5, the second demountable structure 6, cylindrical shell 7, power transmission shaft 41, transmission component 42, foot-operated 43, workbench 11, through hole 11a, mount pad 12, pressure strip 51, cushion block 52, fastening bolt 53, spring blank circle 1a.
The specific embodiment
As shown in Figure 1, this wavy spring system of processing, comprise frame 1, in frame 1, be provided with opposed quiet mould 2 and moving mold 3, quiet mould 2 is fixed in frame 1, on moving mold 3, be connected with and can drive this moving mold 3 mutually to fasten with quiet mould 2 or separated driving mechanism 4, quiet mould 2 is watt type and is provided with quiet watt of type piece 21 in quiet mould 2 inner sides, the quiet forming surface 211 quiet watt of type piece 21 ends with undulate, moving mold 3 is watt type and in moving mold 3 inner sides, is provided with moving watt type piece 31, the moving forming surface 311 in moving watt type piece 31 ends with undulate, quiet forming surface 211 and moving forming surface 311 opposite and when moving mold 3 fastens with quiet mould 2 quiet forming surface 211 and moving forming surface 311 match.
Quiet watt of type piece 21 is arranged on the middle and upper part of quiet mould 2 and is connected as a single entity with quiet mould 2, moving watt type piece 31 is arranged on the lower end of moving mold 3 and is connected as a single entity with moving mold 3, and the lateral surface of moving watt type piece 31 contacts with the medial surface of quiet mould 2 when moving mold 3 fastens with quiet mould 2.
Driving mechanism 4 comprises power transmission shaft 41, and this power transmission shaft 41 is located in the cylindrical shell 7 that is fixed on frame 1, and moving mold 3 is fixed on one end of power transmission shaft 41, and the other end of power transmission shaft 41 is hinged with transmission component 42, and transmission component 42 is hinged with foot-operated 43.Transmission component 42 can adopt prior art, only need to utilize foot-operated 43 can drive power transmission shaft 41 to move axially along cylindrical shell 7 by transmission component 43, this structure adopts extensively in the prior art, repeat no more, on transmission component 43, be also provided with the reset assembly that can moving mold 3 be resetted after trampling foot-operated 43, described reset assembly comprises the back-moving spring being arranged between power transmission shaft 41 and cylindrical shell 7.Certainly, reset assembly can also be arranged on the return unit on foot-operated 43, can make moving mold 3 reset timely after work.
Frame 1 is provided with workbench 11, is provided with through hole 11a on workbench 11, and quiet mould 2 is fixed on mount pad 12, and mount pad 12 is fixed on workbench 11 by the first demountable structure 5 and quiet mould 2 is positioned at through hole 11a top.
The first demountable structure 5 comprises some pressure strips 51, and one end of pressure strip 51 is pressed on mount pad 12, and other end frame is on the cushion block 52 being positioned on workbench 11, and pressure strip 51 middle parts are equipped with fastening bolt 53 and fastening bolt 53 is located on workbench 11.Workbench 11 is provided with the slotted eye that wears workbench 11, and fastening bolt 53 passes described slotted eye, and can in slotted eye, move.Certainly, also can be directly fixed on by screw be also feasible on workbench 11 to mount pad.
The method of this wavy spring system of processing processing wavy spring comprises the steps:
One end of the flat filament that is flat by cross section being coiled to the spring blank circle 1a forming is placed in the quiet forming surface 211 of quiet mould 2 along spring blank circle 1a axial withdrawal and by pulling open part, and pulls open the length that length is partly not less than quiet forming surface 211; Thereby drive described moving mold 3 that quiet forming surface 211 and moving forming surface 311 are fastened mutually by driving mechanism 4, make the flat filament between quiet forming surface 211 and moving forming surface 311 form undaform, then driving mechanism 4 drives described moving mold 3 to reset, and the flat filament of undaform is moved to outside quiet forming surface 211; The flat filament being connected with spring blank circle 1a undaform flat filament is also placed in the quiet forming surface 211 of upper quiet mould 2 along spring blank circle 1a axial withdrawal, again drive described moving mold 3, and so forth until the flat filament of spring blank circle 1a is all squeezed into waveform, thereby make wavy spring.
During the work of wavy spring system of processing, step on foot-operated 43, foot-operated 43 move axially power transmission shaft 41 by transmission component 42 up and down, thereby power transmission shaft 41 driven molds 3 are moved axially, and by back-moving spring, can use moving mold 3 to automatically reset when riding 43 inoperative.
Spring blank circle 1a processes by following manner: steel wire is flattened into the flat filament that cross section is flat, then flat filament is coiled and is the cylindrical body that is arranged in order into spring-like by flat filament circle, and the flat horizontal surface of flat filament circle is in contact with one another.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various modifications or supplement or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Although more used the terms such as frame 1, quiet mould 2, moving mold 3, driving mechanism 4, quiet watt of type piece 21, quiet forming surface 211, moving watt type piece 31, moving forming surface 311, the first demountable structure 5, the second demountable structure 6, cylindrical shell 7, power transmission shaft 41, transmission component 42, foot-operated 43, workbench 11, through hole 11a, mount pad 12, pressure strip 51, cushion block 52, fastening bolt 53, spring blank circle 1a herein, do not got rid of the possibility of using other term.Use these terms to be only used to describe more easily and explain essence of the present invention, they are construed to any additional restriction is all contrary with spirit of the present invention.
Claims (8)
1. a wavy spring system of processing, comprise frame (1), in frame (1), be provided with opposed quiet mould (2) and moving mold (3), described quiet mould (2) is fixed in frame (1), on described moving mold (3), be connected with and can drive this moving mold (3) mutually to fasten with quiet mould (2) or separated driving mechanism (4), it is characterized in that, described quiet mould (2) is watt type and is provided with quiet watt of type piece (21) in quiet mould (2) inner side, the quiet forming surface (211) in quiet watt of type piece (21) end with undulate, described moving mold (3) is watt type and is provided with moving watt type piece (31) in moving mold (3) inner side, the moving forming surface (311) in moving watt type piece (31) end with undulate, described quiet forming surface (211) and moving forming surface (311) opposite and when moving mold (3) and quiet mould (2) fasten described in quiet forming surface (211) and moving forming surface (311) match.
2. wavy spring system of processing according to claim 1, it is characterized in that, described quiet watt of type piece (21) is arranged on the middle and upper part of quiet mould (2) and is connected as a single entity with quiet mould (2), described moving watt type piece (31) is arranged on the lower end of moving mold (3) and is connected as a single entity with moving mold (3), and the lateral surface of the moving watt type piece (31) described in when moving mold (3) fastens with quiet mould (2) contacts with the medial surface of quiet mould (2).
3. wavy spring system of processing according to claim 1 and 2, it is characterized in that, described quiet mould (2) is connected with frame (1) by the first demountable structure (5), and described moving mold (3) is connected with driving mechanism (4) by the second demountable structure (6).
4. wavy spring system of processing according to claim 3, it is characterized in that, described driving mechanism (4) comprises power transmission shaft (41), this power transmission shaft (41) is located in the cylindrical shell (7) that is fixed on frame (1), described moving mold (3) is fixed on one end of power transmission shaft (41), the other end of power transmission shaft (41) is hinged with transmission component (42), and described transmission component (42) is hinged with foot-operated (43).
5. wavy spring system of processing according to claim 3, it is characterized in that, described frame (1) is provided with workbench (11), on workbench (11), be provided with through hole (11a), it is upper that described quiet mould (2) is fixed on mount pad (12), and described mount pad (12) is fixed on workbench (11) above by described the first demountable structure (5) and quiet mould (2) is positioned at through hole (11a) top.
6. wavy spring system of processing according to claim 5, it is characterized in that, described the first demountable structure (5) comprises some pressure strips (51), one end of described pressure strip (51) is pressed on mount pad (12), other end frame is upper in the cushion block (52) being positioned on workbench (11), and described pressure strip (51) middle part is equipped with fastening bolt (53) and fastening bolt (53) is located on workbench (11).
7. the method that adopts a kind of wavy spring system of processing processing wavy spring described in any one in claim 1-6, is characterized in that, this method comprises the steps:
The flat filament that is flat by cross section is coiled to one end of the spring blank circle (1a) forming and also will be pulled open in the quiet forming surface (211) that is partly placed on quiet mould (2) along spring blank circle (1a) axial withdrawal, and pull open the length that length is partly not less than quiet forming surface (211);
By driving mechanism (4), drive described moving mold (3) thus make quiet forming surface (211) and moving forming surface (311) fastens mutually, the flat filament that makes to be positioned between quiet forming surface (211) and moving forming surface (311) forms undaform, then driving mechanism (4) drives described moving mold (3) to reset, and the flat filament of undaform is moved to outside quiet forming surface (211);
The flat filament that will be connected with spring blank circle (1a) undaform flat filament is along in the quiet forming surface (211) of spring blank circle (1a) axial withdrawal the upper quiet mould (2) of placement, again drive described moving mold (3), and so forth until the flat filament of spring blank circle (1a) is all squeezed into waveform, thereby make wavy spring.
8. method according to claim 7, it is characterized in that, described spring blank circle (1a) processes by following manner: steel wire is flattened into the flat filament that cross section is flat, then flat filament is coiled and is the cylindrical body that is arranged in order into spring-like by flat filament circle, and the flat horizontal surface of flat filament circle is in contact with one another.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310484356.2A CN103586375B (en) | 2013-10-16 | 2013-10-16 | Wavy spring system of processing and processing method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310484356.2A CN103586375B (en) | 2013-10-16 | 2013-10-16 | Wavy spring system of processing and processing method |
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| CN103586375A true CN103586375A (en) | 2014-02-19 |
| CN103586375B CN103586375B (en) | 2015-08-12 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103909126A (en) * | 2014-04-18 | 2014-07-09 | 上海电气电站设备有限公司 | Production method for waveform spring coils |
| CN104525737A (en) * | 2014-12-25 | 2015-04-22 | 常熟市金马模具有限公司 | Wave-shaped mold |
| CN106964732A (en) * | 2017-05-22 | 2017-07-21 | 乐清市力升弹簧有限公司 | The Wave crest and wave trough forming method and device of a kind of wavy spring |
| CN110538952A (en) * | 2019-09-28 | 2019-12-06 | 贵州航天精工制造有限公司 | Manufacturing method and forming die of corrugated ring for nuclear power reactor internals |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2361161A1 (en) * | 1972-12-08 | 1974-06-20 | Toyo Kogyo Co | DEVICE FOR MANUFACTURING A CORRUGATED ANNUAL SPRING |
| JPH0576949A (en) * | 1991-09-25 | 1993-03-30 | Sankoole Kk | Device for forming waveform spring |
| JP2001259748A (en) * | 2000-03-14 | 2001-09-25 | Mitsubishi Steel Mfg Co Ltd | Manufacturing method of coild wave spring |
| CN101058143A (en) * | 2007-06-06 | 2007-10-24 | 上海核工碟形弹簧制造有限公司 | Method for manufacturing wave shaped spring |
| CN101907145A (en) * | 2010-08-23 | 2010-12-08 | 西安航空动力股份有限公司 | Forming method for high-temperature alloy sine bellows spring |
| CN203565734U (en) * | 2013-10-16 | 2014-04-30 | 浙江英科弹簧有限公司 | Waveform spring processing system |
-
2013
- 2013-10-16 CN CN201310484356.2A patent/CN103586375B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2361161A1 (en) * | 1972-12-08 | 1974-06-20 | Toyo Kogyo Co | DEVICE FOR MANUFACTURING A CORRUGATED ANNUAL SPRING |
| JPH0576949A (en) * | 1991-09-25 | 1993-03-30 | Sankoole Kk | Device for forming waveform spring |
| JP2001259748A (en) * | 2000-03-14 | 2001-09-25 | Mitsubishi Steel Mfg Co Ltd | Manufacturing method of coild wave spring |
| CN101058143A (en) * | 2007-06-06 | 2007-10-24 | 上海核工碟形弹簧制造有限公司 | Method for manufacturing wave shaped spring |
| CN101907145A (en) * | 2010-08-23 | 2010-12-08 | 西安航空动力股份有限公司 | Forming method for high-temperature alloy sine bellows spring |
| CN203565734U (en) * | 2013-10-16 | 2014-04-30 | 浙江英科弹簧有限公司 | Waveform spring processing system |
Non-Patent Citations (1)
| Title |
|---|
| 张建华: "60Si2MnA波形弹簧制造及真空热处理工艺", 《机械工人（热加工）》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103909126A (en) * | 2014-04-18 | 2014-07-09 | 上海电气电站设备有限公司 | Production method for waveform spring coils |
| CN103909126B (en) * | 2014-04-18 | 2016-01-13 | 上海电气电站设备有限公司 | A kind of processing method of wavy spring circle |
| CN104525737A (en) * | 2014-12-25 | 2015-04-22 | 常熟市金马模具有限公司 | Wave-shaped mold |
| CN106964732A (en) * | 2017-05-22 | 2017-07-21 | 乐清市力升弹簧有限公司 | The Wave crest and wave trough forming method and device of a kind of wavy spring |
| CN110538952A (en) * | 2019-09-28 | 2019-12-06 | 贵州航天精工制造有限公司 | Manufacturing method and forming die of corrugated ring for nuclear power reactor internals |
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| CN103586375B (en) | 2015-08-12 |
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Effective date of registration: 20170911 Address after: 311813, Shaoxing, Zhejiang City, Zhuji Province Wang Town, Lake Village Xuan house wall No. 276 Patentee after: INTCO HOLDINGS CO., LTD. Address before: 311813, Zhejiang City, Shaoxing province Zhuji Wang Zhen Town Lake Village Patentee before: ZHEJIANG YINGKE SPRING CO., LTD. |
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