CN103350161B - Both ends of the spring head is cut sth. askew technique and device - Google Patents
Both ends of the spring head is cut sth. askew technique and device Download PDFInfo
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- CN103350161B CN103350161B CN201310112581.3A CN201310112581A CN103350161B CN 103350161 B CN103350161 B CN 103350161B CN 201310112581 A CN201310112581 A CN 201310112581A CN 103350161 B CN103350161 B CN 103350161B
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Abstract
The present invention relates to spring manufacturing technology field, particularly relate to a kind of both ends of the spring head to cut sth. askew technique and device, solve traditional spring and make the quick disposal molding problem that termination vertical cut causes flanging burr (hook) and oblique angle otch, it is characterized in that when continuous print spring roll-forming, the mode adopting internal mold and external mold to coordinate at the disconnected joint place of spring, at spring tip position, become 15 ~ 85 degree of angles to carry out pendulum with wind spring wire rod axis and cut off, make spring tip form an angular cut.The oblique angle otch that cooperation wind spring equipment completes each spring is continuously shaping, and otch is without burr (hook) flange, safe and efficient, avoids the multiple tracks expense merit pollution operation that otch needs polishing cleaning.
Description
Technical field
The present invention relates to spring manufacturing technology field, particularly relate to a kind of both ends of the spring head and to cut sth. askew technique and device.
Background technology
Traditional spring tip is vertical cut tack end face, in automated job, vertical cut tack end face can produce inner burr (hook), namely cut inside termination and must be occurred inner burr (hook), the processing method of inner burr (hook) only has with grinder buffing, therefore needs a large amount of energy consumptions and produces a large amount of dust.The applicant's patent that in the end of the year 2009 be the spring application of scarf to termination, namely patent announcement number is a kind of end beveled spring of CN201351706Y, form the angled end-face of inside and outside oblique angle otch in the two ends part of spring body, angled end-face is by the oblique spring body of termination terminad bearing of trend.The end scarf of this patent to spring body is protected, and in actual fabrication, the continuously shaped of splay end head is quite difficult.And be difficult to realize in the prior art for the process of inclined-plane, spring inside and outside port, as patent publication No. a kind of C-type beam 45 ° disclosed in CN101518800A obliquely amputates mould, comprise top board, locating piece, dynamic model, cover half, base plate, fixed head etc., dynamic model corner is 45 ° of inclined-planes, using Presser Dashing pressure surface as ramp, moving platen activity is embedded in cover half and locating piece.The continuous end face that this diel for C cannot be used for thread like material is cut sth. askew, and can not individually manufacture now because the spring of bulk article makes.
Summary of the invention
The object of the invention is to make to solve traditional spring the quick disposal molding problem that termination vertical cut causes flanging burr (hook) and oblique angle otch, a kind of both ends of the spring head is provided to cut sth. askew technique and device, its structure, rational technology, utilize that wind spring is shaping carries out that efficient angle is shaping rapidly instantaneously to its both ends.
Above-mentioned technical problem of the present invention is mainly solved by following technical proposals: a kind of spring tip is cut sth. askew technique, it is characterized in that when continuous print spring roll-forming, the mode adopting internal mold and external mold to coordinate at the disconnected joint place of spring, at spring tip position, become 15 ~ 85 degree of angles to carry out pendulum with wind spring wire rod axis to cut off, make spring tip form an angular cut.This technique completes angular cut in the moment that wind spring is shaping, although angular cut (face) is greater than the cross section of spring wire, because employing is oblique angle swing shearing, cut the factor of material because of oblique angle itself, material is destroyed power and reduces on the contrary.It is a kind ofly utilize the swing of dynamic model to coordinate with cover half to carry out momentary shear to material that pendulum cuts off, and shear time is short, shear surface is smooth.When practical application, shearing inclination can not be too little, produces too little wedge angle to avoid the end after shearing.When cutting sth. askew, the front end of a joint spring after namely the end of last joint spring becomes, both ends of the spring angular cut area is identical, and through continuous cutting-off when rolling spring, two terminations of spring finished product all have angular cut.Technique of cutting sth. askew completely avoid the formation of the otch flanging burr (hook) that vertical cut causes, and reduces the multiple working procedure of polishing deburring, reduces costs, and reduces environmental pollution.
As preferably, described internal mold is arranged in the inner ring hole of spring, is provided with cutting knife and is positioned at the outside of spring in external mold.Internal mold is fixed, also can be used as the use of spring bores guiding when wind spring is shaping, and external mold is dynamic model, as long as carry out swing shearing to spring when spring forming.
As preferably, described internal mold is fixed die, and external mold is for swinging mould.Wobbling action is positioned at outside spring forming passage when external mold can be made to be failure to actuate, and the power resources of swing are spring coiling machine, is same system shaping for wind spring and swing interlock of cutting sth. askew.
As preferably, described swing mould along spring roll direction clockwise or counterclockwise action.Swing mould and be arranged on the upper and lower position of the shaping axis of wind spring, be applied to the left and right pendulum revolving different structure spring to cut, wind spring is shaping is a continuous crisping process, in some forming machines, the part of sheared edge is also in linear state, so carry out backswing and cut along rolling direction the integrality being conducive to otch.
A kind of realization to be cut sth. askew the beveller of technique as above-mentioned both ends of the spring head, it is characterized in that comprising the internal mold be located at and rolled in spring inner ring, internal mold is provided with the oblique edge of a knife, the external mold coordinated with internal mold is provided with in spring outside, described external mold is provided with the upper slitter that the edge of a knife oblique with internal mold coordinates, and the fixed mount of external mold has along the pendulum cutting mechanism in spring end face.As internal mold, be positioned at wind spring forming core shaft position, for semicircle, there is the cambered surface coordinated with spring bores, only at the edge of a knife becoming different angles as angular cut counterdie Position Design, the size due to same wind spring is the same, and internal mold otch is while cooperation external mold, otch positive stop end can be provided with, avoid the damage to other position of spring body in the process of cutting sth. askew.When pendulum cutting mechanism ensures each spring forming, action once.
As preferably, described pendulum cutting mechanism is connected with wind spring shaping mechanism.Identical with vertical cut device, often a shaping Spring Pendulum is cut once, realizes automation oblique angle otch completely.
As preferably, described pendulum cutting mechanism is provided with the adjusting device along having the amplitude of oscillation in the plane of spring end face.External mold and internal mold are a pair moulds matched, and for adapting to the wind spring angular cut of different size, the amplitude of oscillation of pendulum cutting mechanism is set by adjusting device, and internal mold carries out joining changing according to external mold.
As preferably, the cross section that described internal mold is provided with oblique edge of a knife position is less than by the half of the endoporus of coil spring, and in semicircle corner cut shape, internal mold be arc by coil spring matching part.The angular cut of internal mold had both needed the intensity ensureing that external mold cuts off completely, ensured the activity space of external mold again, and arc and the inner hole making spring of internal mold, make pendulum cut through external mold and internal mold in journey and closely cooperate.
The invention has the beneficial effects as follows: the oblique angle otch that cooperation wind spring equipment completes each spring is continuously shaping, and otch is without burr (hook) flange, safe and efficient, avoid the multiple tracks expense merit pollution operation that otch needs polishing cleaning.
Accompanying drawing explanation
Fig. 1 is a kind of shaped article structural representation of the present invention.
Fig. 2 is the plan structure schematic diagram of Fig. 1 of the present invention.
Fig. 3 is the structural representation after Fig. 1 end face of the present invention polishes.
Fig. 4 is the top view of Fig. 3 of the present invention.
Fig. 5 is a kind of shaped article embodiment schematic diagram of the present invention.
Fig. 6 is the plan structure schematic diagram of Fig. 5 of the present invention.
Fig. 7 is the third shaped article embodiment schematic diagram of the present invention.
Fig. 8 is the plan structure schematic diagram of Fig. 7 of the present invention.
Fig. 9 is the structural representation after Fig. 7 end face of the present invention polishes.
Figure 10 has been a kind of apparatus structure schematic diagram of present invention process.
In figure: 1. internal mold, 2. external mold, 3. spring, 31. angular cuts, 32. polish end face, the oblique nose angle of A. internal mold.
Detailed description of the invention
Below by embodiment, and by reference to the accompanying drawings, technical scheme of the present invention is described in further detail.
A kind of both ends of the spring head of the present embodiment is cut sth. askew technique, mainly when continuous print spring 3 roll-forming, moment utilizes internal mold 1 and external mold 2 to coordinate mode at the disconnected joint place of spring 3, at position, spring 3 termination, become miter angle to carry out shearing to break with in type wind spring wire rod axis, make spring wire port form an angular cut 31, its product as shown in Figure 1 and Figure 2, corresponding, other end self-assembling formation angular cut of spring wire port.Angular cut 31 end face of Fig. 1, Fig. 2 embodiment is towards the front of spring rotation direction.When both ends of the spring needs to polish, end face processing can be carried out on this basis, obtain polishing end face 32, to form the planar end surface structure shown in Fig. 3.
See Fig. 5, Fig. 6, a kind of angular cut of the present embodiment is not only towards the front of spring rotation direction, and meanwhile, this angular cut end face also becomes an inclination angle towards spring center direction.Equally, can obtain when end face needs to polish and polish end face, now also can not produce the defect such as burr, crimping of angular cut because increase polishes technique.
The third embodiment, as shown in Figure 7, Figure 8, angular cut 31 becomes α angle with wind spring wire rod, and otch end face is along axle of spring direction.End face mill frequently can obtain and polish end face 32, as shown in Figure 9.
The present invention is at position, spring 3 termination, and become with in type wind spring wire rod axis α angle to carry out shearing and break, its α degree angle can be regarded as: angular cut 31 end face is become α angle with spring by the tangent line at point of contact, and the range of choice at α angle is 15 ~ 85 degree.
Complete the device of this technique see Figure 10, internal mold 1 is located in the inner ring rolling spring 3, internal mold 1 cross section is that semicolumn lacks angular structure, and namely semicolumn unfilled corner shape becomes the oblique edge of a knife at position of cutting sth. askew, the pendulum angle of this oblique edge of a knife and external mold 2 is adaptive, and external mold 2 is arranged on the outside rolling spring 3.Being provided with the cross section at oblique edge of a knife position by by based on the endoporus half of coil spring 3, removing angular cut edge of a knife part, cutting displacement with the pendulum of the intensity and external mold 2 that ensure internal mold 1.The fixed mount of external mold 2 and wind spring shaping mechanism are interactive, and have along in the scope of face, spring 3 termination along clockwise oscillation function, this oscillating function is realized by pendulum cutting mechanism, namely puts cutting mechanism and is provided with along spring by the oscillation amplitude adjustment device cut in end face.
By above-mentioned device, just shaping spring 3 is cut sth. askew, internal mold 1 is as fixed die, external mold 2 does pendulum in the moment of the shaping stopping of spring 3 and cuts action, same specification product can select same pendulum corner cut degree, the action each time of shearing makes spring wire port form the inclined-plane of two area equation, and these two inclined-planes are respectively former and later two shaping spring tips.Because when pendulum is cut, external mold has the power along spring wire axis, so avoid the phenomenon such as flange, burr (hook) of the position, spring section end that vertical cut causes.
This method and device roll all effective to heterotypic spring, can process equally as trapezoidal, square, avette, oval etc. for profiled cross-section wire rod.
Above-described embodiment is to explanation of the present invention, is not limitation of the invention, anyly all belongs to protection scope of the present invention to the structure after simple transformation of the present invention, technique.
Claims (6)
1. a both ends of the spring head is cut sth. askew technique, it is characterized in that when continuous print spring roll-forming, the mode adopting internal mold and external mold to coordinate at the disconnected joint place of spring, at spring tip position, become 15 ~ 85 degree of angles to carry out pendulum with wind spring wire rod axis to cut off, make spring tip form an angular cut (31), external mold is for swinging mould; Described internal mold is fixed die, and internal mold is arranged in the inner ring hole of spring, is provided with cutting knife and is positioned at the outside of spring in external mold; Internal mold is positioned at wind spring forming core shaft position, is semicircle, has the cambered surface coordinated with the inner ring hole of spring, is becoming the edge of a knife of different angles as angular cut counterdie Position Design.
2. both ends of the spring head according to claim 1 is cut sth. askew technique, it is characterized in that described swing mould along spring roll direction clockwise or counterclockwise action.
3. one kind realizes both ends of the spring head as described in claim 1 to 2 any one and to cut sth. askew the beveller of technique, it is characterized in that comprising the internal mold (1) be located at and rolled in spring inner ring, internal mold (1) is provided with the oblique edge of a knife, the external mold (2) coordinated with internal mold is provided with in spring outside, described external mold (2) is provided with the upper slitter that the edge of a knife oblique with internal mold (1) coordinates, and the fixed mount of external mold (2) has along the pendulum cutting mechanism in spring end face.
4. both ends of the spring head according to claim 3 is cut sth. askew the beveller of technique, it is characterized in that described pendulum cutting mechanism is connected with wind spring shaping mechanism.
5. the both ends of the spring head according to claim 3 or 4 is cut sth. askew the beveller of technique, it is characterized in that described pendulum cutting mechanism is provided with the adjusting device along having the amplitude of oscillation in the plane of spring end face.
6. the both ends of the spring head according to claim 3 or 4 is cut sth. askew the beveller of technique, it is characterized in that the cross section that described internal mold (1) is provided with oblique edge of a knife position is less than by the half of the endoporus of coil spring, and in semicircle corner cut shape, internal mold (1) be arc by coil spring matching part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310112581.3A CN103350161B (en) | 2013-04-02 | 2013-04-02 | Both ends of the spring head is cut sth. askew technique and device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310112581.3A CN103350161B (en) | 2013-04-02 | 2013-04-02 | Both ends of the spring head is cut sth. askew technique and device |
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| CN103350161A CN103350161A (en) | 2013-10-16 |
| CN103350161B true CN103350161B (en) | 2016-01-20 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE102013214161B4 (en) * | 2013-07-18 | 2015-05-07 | Wafios Ag | Method and device for producing coil springs by spring winds |
| CN113262384B (en) * | 2021-04-27 | 2023-02-10 | 温州医科大学附属第二医院（温州医科大学附属育英儿童医院） | Tracheal surface anesthesia apparatus |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04123831A (en) * | 1990-09-14 | 1992-04-23 | Nhk Spring Co Ltd | Device for setting coil spring |
| CN1467045A (en) * | 2002-06-26 | 2004-01-14 | �ձ�������ʽ���� | Method of manufacturing a coil spring having an oblique and straight axial line |
| CN201351706Y (en) * | 2009-02-24 | 2009-11-25 | 杭州钱江弹簧有限公司 | End beveled spring |
| CN201432146Y (en) * | 2009-07-15 | 2010-03-31 | 上海中国弹簧制造有限公司 | Blanking cutter of spring coiling machine |
| CN101956583A (en) * | 2009-07-15 | 2011-01-26 | 上海中国弹簧制造有限公司 | Improvement of manufacturing process of automobile valve spring |
-
2013
- 2013-04-02 CN CN201310112581.3A patent/CN103350161B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04123831A (en) * | 1990-09-14 | 1992-04-23 | Nhk Spring Co Ltd | Device for setting coil spring |
| CN1467045A (en) * | 2002-06-26 | 2004-01-14 | �ձ�������ʽ���� | Method of manufacturing a coil spring having an oblique and straight axial line |
| CN201351706Y (en) * | 2009-02-24 | 2009-11-25 | 杭州钱江弹簧有限公司 | End beveled spring |
| CN201432146Y (en) * | 2009-07-15 | 2010-03-31 | 上海中国弹簧制造有限公司 | Blanking cutter of spring coiling machine |
| CN101956583A (en) * | 2009-07-15 | 2011-01-26 | 上海中国弹簧制造有限公司 | Improvement of manufacturing process of automobile valve spring |
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| CN103350161A (en) | 2013-10-16 |
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Address after: 315300 No. 22, No. 78, Hangzhou economic and Technological Development Zone, Hangzhou, Zhejiang Patentee after: Qianjiang spring (Hangzhou) Co., Ltd. Address before: 315300 No. 78, No. 22, Hangzhou economic and Technological Development Zone, Zhejiang Patentee before: Qianjiang Spring Co., Ltd. |