CN102699239A - Thermoforming device of arc-shaped spring - Google Patents
Thermoforming device of arc-shaped spring Download PDFInfo
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- CN102699239A CN102699239A CN2012101066755A CN201210106675A CN102699239A CN 102699239 A CN102699239 A CN 102699239A CN 2012101066755 A CN2012101066755 A CN 2012101066755A CN 201210106675 A CN201210106675 A CN 201210106675A CN 102699239 A CN102699239 A CN 102699239A
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- pedestal
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Abstract
The invention relates to equipment for making springs, in particular to a thermoforming device taking an arc-shaped spring as the central line. The thermoforming device is characterized by comprising a base; two spring mandrels are arranged on the base; the free ends of the two spring mandrels, which are near to the base axially, are deflected to form positioning angels; the two spring mandrels are arranged bifacially; and the bifacial angle formed by the central lines of the two spring mandrels is an acute angle. The thermoforming device is simple in structure and convenient to operate, has high efficiency, can be used for shaping the cylindrical spring into the arc-shaped spring in one time by adopting the specific thermoforming process and solves the problems in the prior art that the single-side pitches of the spring need to be opened one by one to form the arc-shaped spring and the efficiency is low.
Description
Technical field
The present invention relates to a kind of making apparatus of spring, relate in particular to the thermal formation apparatus that a kind of center line is an arc spring.
Background technology
Spring very general in present application, all trades and professions adopt the varying strength rigidity and the spring in service life according to different purposes.The widespread usage of spring; Make the structure of spring present variation; Wherein use a kind of arc spring in a large number in the automobile double mass flywheel, because there are bigger difference in arc spring and cylindrical helical spring processing technology, so on manufacturing and processing equipment, also be very different.In present patent document, the equipment that disclosed spring is shaped has Chinese patent: it comprises wire agency, cutter mechanism, outside diameter control mechanism and propeller pitch control system " a kind of spring forming machine (CN2832350Y) "; Adopt a cam to control two control lever A and B; Through the curve of appropriate design cam, just can make two wire gauge saddle C, D folding according to certain rules under the control of control lever A, B, thereby realize control the spring external diameter; Cams mounted axle is to be driven by servo motor; Through computer program control servo motor, in computer, import relevant parameters, just can accurately produce the spring of corresponding size." a kind of spring forming machine (CN201880832U) "; Comprise a frame; Frame is provided with the rotating shaft that is driven by actuating unit, and clamping has the plug that can rotate with rotating shaft in the rotating shaft, and rotating shaft is provided with the bayonet socket that is used for fixing the spring wire end; Be arranged with the guide post that spring wire is led on the plug, and when the end of spring wire is fixed in the bayonet socket, drive under the effect that plug rotates described spring wire and can pass guide post and be wound on the plug at actuating unit." full-automatic flat spring make-up machine (CN201205588Y) "; Comprise feed mechanism, high-frequency device, crotch winding mechanism, cut off die mechanism, inductor and switch board, the crotch winding mechanism comprises servomotor, idler gear, spool, flexible cylinder and connector, the gear of the servomotor output axle head on the frame through idler gear with link to each other because of the gear that is contained on the spool; Spool is supported in the axis hole of frame; Flexible cylinder is installed on the frame, and its telescopic shaft axle head is fixedly connected with connector, and an end of spool is contained in the axis hole of connector; The other end and mandrel are because of being contained in the sleeve, and the axial end of mandrel has the groove that can insert latch plate; Cut off die mechanism and comprise hydraulic cylinder, upper trimming die, following punch die, when the punch stroke of upper trimming die and following punch die arrived the final position, the gap between it promptly was the shape of the outer crotch of formed spring.But above-mentioned patent document all is that coil spring is processed, and is inapplicable for arc spring.
Summary of the invention
The present invention provide a kind of easy, easy to operate, efficient is high, cooperates specific Technology for Heating Processing, can the disposable arc spring thermal formation apparatus that helical spring is fixed to arc spring; Solved in the prior art and need form arc spring through the one-sided pitch of spring being opened one by one distance, thus the not high problem of efficient.
The present invention also provides a kind of simultaneously can realize the different radians of processing, the arc spring thermal formation apparatus of convenient adjustment; Solve the arc spring that can only process same specification that exists in the prior art, the technical problem that suitability is bad.
Above-mentioned technical problem of the present invention solves through following technical proposals: a kind of arc spring thermal formation apparatus; It is characterized in that: comprise a pedestal; On pedestal, be provided with two central spindle of the spring; Two central spindle of the spring to separately near the free end biasing of pedestal form orientation angle, described two central spindle of the spring antarafacials arrange that the antarafacial angle that the center line of two central spindle of the spring forms is an acute angle.Be socketed in the bending that realizes spring on two central spindle of the spring of pedestal respectively through the two ends with columniform spring to be processed, the thermal formation apparatus that spring will be housed is again put into tempering furnace and is heat-treated, thereby realizes the moulding process of arc spring.
Pedestal is divided into three sections by two central spindle of the spring; The central spindle of the spring on the left side is biased to acute angle for one section to the pedestal left side; The central spindle of the spring of back is biased to acute angle to a section of pedestal the right; Orientation angle is exactly above-mentioned acute angle, and two central spindle of the spring are down " eight " font in the projection of the shaft section of pedestal, so conveniently the two ends of spring is fixed.The external diameter of spring can shrink torsional deformation when the spring thermoforming, spring can be along rotation direction side warpage, if the central spindle of the spring at flexural spring two ends is arranged in the same plane; Make crooked spring be positioned at same plane; That is through the arc spring after the thermoforming, though possessed radian, the spring external diameter can shrink during because of thermoforming; The arc spring two ends of feasible process like this moulding are not finally in a plane; Therefore the spring thermal formation apparatus need carry out anti-twist recurvation folding in advance to spring, thereby need let two central spindle of the spring antarafacials arrange, makes spring be positioned at same plane through the cooled arc spring of Overheating Treatment.Spring thermal finalization apparatus structure of the present invention is simple, and operation convenience very only need be socketed in the two ends of spring on the central spindle of the spring, puts into tempering furnace and just can realize thermoforming, and shaped device is simple, and is easy to operate.
As preferably, described central spindle of the spring is welded on the outer surface of pedestal.Certainly central spindle of the spring also can be fixed on central spindle of the spring on the pedestal through riveted joint or other known connection fixed forms.Welding Structure is stable, and is easy to operate.
Pedestal can be one flat plate, also can be one rectangular, and as preferably, described pedestal is that a columniform straight-bar or cross section are circular " Z " font bar.Columniform straight-bar is simple in structure, and convenient the manufacturing also is fixed on central spindle of the spring on the pedestal simultaneously easily, makes the antarafacial layout of central spindle of the spring easier.
As preferably, on described pedestal, be socketed with two positioning sleeves, described central spindle of the spring links to each other with pedestal through positioning sleeve, and the through hole at positioning sleeve center and pedestal matched in clearance are provided with locking member on described positioning sleeve.Transition through positioning sleeve connects, and can adjust central spindle of the spring through the adjustment positioning sleeve, thereby realize the arc spring that different radians require is processed.The cross section of pedestal and positioning sleeve is circular, and both can rotate each other, and positioning sleeve can move along the axis of pedestal; Thereby adjust two distances between the positioning sleeve; Can select the spring of the different radians of machine-shaping, but also can rotate around pedestal, selecting between two central spindle of the spring according to the specification of the spring of machine-shaping is the antarafacial angle; Thereby the radian of the arc spring after the assurance moulding is accurate, good planeness.
Central spindle of the spring and positioning sleeve can be one-body molded, also can be connected through connector with positioning sleeve by central spindle of the spring, and as preferably, described central spindle of the spring is welded on the outer surface of positioning sleeve, and said locking member is a clamping screw.Welding Structure is stable, and it is moving partially to let central spindle of the spring be difficult for simultaneously, can guarantee fixing more firm in the two ends of spring, thus the arc thermoforming effect of raising spring.
As preferably, described orientation angle is 40 ° ~ 65 °, and the length of described central spindle of the spring is identical with the length of spring 2 ~ 4 circles to be processed.The purpose of central spindle of the spring is exactly the two ends for fixing spring; With spring bending; The angle of orientation angle guarantees that the two ends of spring can well be fixed on the central spindle of the spring; The length that is socketed in the spring on the central spindle of the spring simultaneously will guarantee spring is fixed, and guarantees that again the main part of spring can obtain good brake forming effect, therefore selects cover 2-4 circle on the mandrel of spring.
As preferably, the angle of the different surface beeline that the center line of described two central spindle of the spring forms is 20 ° ~ 35 °.Can be smooth behind the assurance spring forming, good forming effect.
Therefore; Arc spring thermal formation apparatus of the present invention possesses following advantage: the good forming effect of arc formed spring; Processing is simple, through adjusting two distances between the positioning sleeve, also has the antarafacial angle of two central spindle of the spring to process the arc spring of different curvature radius; Versatility is good, and the structure of device is also very simple.
Description of drawings
Fig. 1 is that the master of arc spring thermal formation apparatus of the present invention looks sketch map.
Fig. 2 is the left view of Fig. 1, and wherein bolt place office is cutd open.
Fig. 3 is the use shape body front view of Fig. 1.
Fig. 4 is the left view of Fig. 3.
Fig. 5 is that second kind of master of the present invention looks sketch map.
Fig. 6 is the left view of Fig. 5.
Fig. 7 is the third schematic top plan view of the present invention.
Fig. 8 is the 4th a kind of schematic top plan view of the present invention.
Fig. 9 is the left view of Fig. 8.
The specific embodiment
Pass through embodiment below, and combine accompanying drawing, do further bright specifically the technical scheme of invention.
Embodiment 1:
As shown in Figure 1, the arc spring thermal formation apparatus comprises pedestal 1; Pedestal 1 is columniform straight-bar, on pedestal 1, is socketed with two positioning sleeves 2, and positioning sleeve 2 is cylindrical; Offer through hole 3 at the center of positioning sleeve; The central through hole 3 of positioning sleeve and pedestal 1 matched in clearance offer a fixing hole simultaneously at the external peripheral surface of positioning sleeve 2, through bolt 4 positioning sleeve 2 are locked on the pedestal 1.Positioning sleeve 2 is socketed on the pedestal 1, and pedestal 1 is divided into three sections, left side section, interlude and the right section.External peripheral surface at positioning sleeve 2 is welded with a columniform central spindle of the spring; The central spindle of the spring 51 in left side is 45 ° with the orientation angle α that pedestal 1 left side section forms; The central spindle of the spring 52 on right side also is 45 ° with the orientation angle α that pedestal the right section forms, and the central spindle of the spring 51 in left side and the central spindle of the spring 52 on right side are down " eight " font in the projection of the shaft section of pedestal.As shown in Figure 2, two central spindle of the spring antarafacials arrange that the central spindle of the spring 51 in left side turns forward, and the central spindle of the spring 52 on right side recedes, and the angle theta of the different surface beeline that the center line of two central spindle of the spring forms is 30 °.The length of the central spindle of the spring 52 on central spindle of the spring 51 and the right side in left side is identical, and the length of central spindle of the spring guarantees to fix the distance about 3 of spring 6 to be processed encloses, and makes firm being socketed on the central spindle of the spring in spring 6 two ends.
During use, shown in Fig. 3 and 4, two positioning sleeves 2 are connected on the pedestal 1 after; Earlier fixing one of them positioning sleeve is adjusted the distance and the angle of deflection between another one positioning sleeve and first positioning sleeve then, feasible two central spindle of the spring antarafacials layouts that are welded on the positioning sleeve 2; With of helical spring 6 bendings of two ends through ground; The two ends of spring 6 are socketed in respectively on two central spindle of the spring, because central spindle of the spring is in tilted layout, and length guarantees the length about 3 circles of the number of coils; Therefore both can spring 6 is fixing, can guarantee that again the main part of spring can brake forming.Because the antarafacial of central spindle of the spring 5 is arranged, can let spring 6 keep state crooked and distortion, the spring that fixes 6 is put into tempering furnace carry out temper, unclamp after being chilled to room temperature after the processing, spring is fixed to arc spring thus.
Embodiment 2:
As shown in Figure 5, the arc spring thermal formation apparatus comprises pedestal 1, and pedestal 1 is columniform straight-bar, on pedestal 1, is welded with two central spindle of the spring, and two central spindle of the spring are divided into three sections with pedestal 1, left side section, interlude and the right section.The central spindle of the spring 51 in left side is 65 ° with the orientation angle α that pedestal 1 left side section forms; The central spindle of the spring 52 on right side also is 65 ° with the orientation angle α that pedestal the right section forms, and the central spindle of the spring 51 in left side and the central spindle of the spring 52 on right side are down " eight " font in the projection of the shaft section of pedestal.As shown in Figure 6, two central spindle of the spring antarafacials arrange that the central spindle of the spring 51 in left side turns forward, and the central spindle of the spring 52 on right side recedes, and the angle theta of the different surface beeline that the center line of two central spindle of the spring forms is 35 °.The length of the central spindle of the spring 52 on central spindle of the spring 51 and the right side in left side is identical, and the length of central spindle of the spring guarantees to fix the distance about 2 of spring 6 to be processed encloses, and makes firm being socketed on the central spindle of the spring in spring 6 two ends.
Embodiment 3:
As shown in Figure 7, different with embodiment 1 is, pedestal 1 is " Z " font bar, respectively is welded with a central spindle of the spring on two poles that are parallel to each other of " Z " font bar, and two central spindle of the spring antarafacials are arranged.
Embodiment 4:
Shown in Fig. 8 and 9, different with embodiment 1 is that pedestal 1 is a flat board, on flat board, is welded with the central spindle of the spring that two antarafacials are arranged.
Claims (9)
1. arc spring thermal formation apparatus; It is characterized in that: comprise a pedestal; On pedestal, be provided with two central spindle of the spring; Two central spindle of the spring to separately near the free end biasing of pedestal form orientation angle, described two central spindle of the spring antarafacials arrange that the antarafacial angle that the center line of two central spindle of the spring forms is an acute angle.
2. arc spring thermal formation apparatus according to claim 1 is characterized in that: described central spindle of the spring is welded on the outer surface of pedestal.
3. arc spring thermal formation apparatus according to claim 1 and 2 is characterized in that: described pedestal is that a columniform straight-bar or cross section are circular " Z " font bar.
4. arc spring thermal formation apparatus according to claim 3; It is characterized in that: on described pedestal, be socketed with two positioning sleeves; Described central spindle of the spring links to each other with pedestal through positioning sleeve, and the through hole at positioning sleeve center and pedestal matched in clearance are provided with locking member on described positioning sleeve.
5. arc spring thermal formation apparatus according to claim 4 is characterized in that: described central spindle of the spring is welded on the outer surface of positioning sleeve, and said locking member is a clamping screw.
6. arc spring thermal formation apparatus according to claim 1 and 2 is characterized in that: described orientation angle is 40 ° ~ 65 °, and the length of described central spindle of the spring is identical with the length of spring 2 ~ 4 circles to be processed.
7. arc spring thermal formation apparatus according to claim 5 is characterized in that: described orientation angle is 40 ° ~ 65 °, and the length of described central spindle of the spring is identical with the length of spring 2 ~ 4 circles to be processed.
8. arc spring thermal formation apparatus according to claim 1 and 2 is characterized in that: the angle of the different surface beeline that the center line of described two central spindle of the spring forms is 20 ° ~ 35 °.
9. according to any described arc spring thermal formation apparatus of claim 7, it is characterized in that: the angle of the different surface beeline that the center line of described two central spindle of the spring forms is 20 ° ~ 35 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101066755A CN102699239A (en) | 2012-04-13 | 2012-04-13 | Thermoforming device of arc-shaped spring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101066755A CN102699239A (en) | 2012-04-13 | 2012-04-13 | Thermoforming device of arc-shaped spring |
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| Publication Number | Publication Date |
|---|---|
| CN102699239A true CN102699239A (en) | 2012-10-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012101066755A Pending CN102699239A (en) | 2012-04-13 | 2012-04-13 | Thermoforming device of arc-shaped spring |
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| Country | Link |
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| CN (1) | CN102699239A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103272972A (en) * | 2013-06-17 | 2013-09-04 | 沈阳飞机工业（集团）有限公司 | Forcible treatment device and forcible treatment method for torsion springs |
| CN109513854A (en) * | 2017-09-18 | 2019-03-26 | 沈阳长百标准件有限公司 | A kind of spring forming device |
| CN112654442A (en) * | 2018-09-06 | 2021-04-13 | 日本发条株式会社 | Method and apparatus for forming arc spring |
| US11248674B2 (en) | 2017-08-24 | 2022-02-15 | Ressorts Liberte Inc. | Coil spring and method of fabrication thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08224632A (en) * | 1995-02-22 | 1996-09-03 | Chuo Spring Co Ltd | Manufacture of arcing coil spring |
| CN1194187A (en) * | 1997-03-24 | 1998-09-30 | 圣于尔班冶金工场 | Method for producing bend screw spring, spring made therefrom and apparatus for working said method |
| CN201632567U (en) * | 2010-02-03 | 2010-11-17 | 嘉兴泰恩弹簧有限公司 | Multifunctional spring coiling machine |
| CN202555729U (en) * | 2012-04-13 | 2012-11-28 | 杭州富春弹簧有限公司 | Forming tool clamp of arc-shaped spring |
-
2012
- 2012-04-13 CN CN2012101066755A patent/CN102699239A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08224632A (en) * | 1995-02-22 | 1996-09-03 | Chuo Spring Co Ltd | Manufacture of arcing coil spring |
| CN1194187A (en) * | 1997-03-24 | 1998-09-30 | 圣于尔班冶金工场 | Method for producing bend screw spring, spring made therefrom and apparatus for working said method |
| CN201632567U (en) * | 2010-02-03 | 2010-11-17 | 嘉兴泰恩弹簧有限公司 | Multifunctional spring coiling machine |
| CN202555729U (en) * | 2012-04-13 | 2012-11-28 | 杭州富春弹簧有限公司 | Forming tool clamp of arc-shaped spring |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103272972A (en) * | 2013-06-17 | 2013-09-04 | 沈阳飞机工业（集团）有限公司 | Forcible treatment device and forcible treatment method for torsion springs |
| US11248674B2 (en) | 2017-08-24 | 2022-02-15 | Ressorts Liberte Inc. | Coil spring and method of fabrication thereof |
| CN109513854A (en) * | 2017-09-18 | 2019-03-26 | 沈阳长百标准件有限公司 | A kind of spring forming device |
| CN112654442A (en) * | 2018-09-06 | 2021-04-13 | 日本发条株式会社 | Method and apparatus for forming arc spring |
| CN112654442B (en) * | 2018-09-06 | 2023-05-30 | 日本发条株式会社 | Forming method and forming device for arc-shaped spring |
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Application publication date: 20121003 |