CN103272903B - The one-shot forming system of spring forming machine and spring forming method - Google Patents
The one-shot forming system of spring forming machine and spring forming method Download PDFInfo
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- CN103272903B CN103272903B CN201310213985.1A CN201310213985A CN103272903B CN 103272903 B CN103272903 B CN 103272903B CN 201310213985 A CN201310213985 A CN 201310213985A CN 103272903 B CN103272903 B CN 103272903B
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Abstract
The invention discloses the one-shot forming system of a kind of spring forming machine, including upper die and lower die, upper locating dowel, lower locating dowel, middle push arm, both sides push arm, two limb push arms; The surface of upper mould, the surface of counterdie is just right; Above-mentioned upper locating dowel and lower locating dowel all and are provided with two, and in above-mentioned two, locating dowel is symmetrical is fixed on above-mentioned counterdie surface, and above-mentioned lower locating dowel is symmetrical symmetrical is fixed on above-mentioned counterdie lower face; Above-mentioned middle push arm is arranged on above above-mentioned counterdie; Above-mentioned both sides push arm is provided with two, is symmetricly set on above-mentioned middle push arm both sides; Above-mentioned two limb push arms are provided with two, are symmetricly set on above-mentioned counterdie both sides the level height lower than above-mentioned lower locating dowel. The invention also discloses spring forming method. The beneficial effects of the present invention is, it is achieved spring one-shot forming, improve production efficiency.<!--1-->
Description
Technical field
The present invention relates to the one-shot forming system of a kind of spring forming machine and spring forming method, belong to spring production technical field.
Background technology
Spring is the major part of passenger special railway line fastener system, and such as W1 type spring, W2 type spring etc., its profile is shown in Fig. 4. The diameter of spring bar is at about 14mm, the moulding process of current domestic employing is mainly three punch formings, need three punch presses and three molds, after per pass molding, the profile of workpiece is shown in Fig. 4, with reference to Fig. 4, the workpiece configurations (workpiece configurations after c tri-road molding after workpiece configurations (b) the two road molding after (a) one molding.
This production technology has the disadvantage in that 1. molding procedure is many, and by anthropic factor, the adjustment of mould, impact that repeatedly molding positioning datum is different, the size fluctuation of product is big, concordance is poor, and product first-time qualification rate is low. 2. punch press shaping speed is fast, and bar easily draws and attenuates, the mechanical properties decrease of product. 3. molding procedure is many, and bar temperature declines many, is unfavorable for immediate quenching, and energy expenditure is big. 4. forming operation is complicated, and die adjustment is inconvenient. 5. production process is many, and equipment, mould have high input, and operator are many, and production cost is big.
Summary of the invention
The technical problem to be solved in the present invention is to provide the one-shot forming system of a kind of spring forming machine, it is achieved spring one-shot forming, improves production efficiency.
The present invention is achieved through the following technical solutions.
The one-shot forming system of a kind of spring forming machine, including upper die and lower die, upper locating dowel, lower locating dowel, middle push arm, both sides push arm, two limb push arms;
The surface of above-mentioned upper mould, the surface of above-mentioned counterdie is just right;
Above-mentioned upper locating dowel and lower locating dowel all and are provided with two, in above-mentioned two, locating dowel is symmetrical is fixed on above-mentioned counterdie surface, above-mentioned lower locating dowel is symmetrical symmetrical is fixed on above-mentioned counterdie lower face, and the distance between above-mentioned upper locating dowel is more than the distance between above-mentioned lower locating dowel;
Above-mentioned middle push arm is arranged on above above-mentioned counterdie, and its movement locus positions between bottom roller along the above-mentioned vertical axis of upper mould down to above-mentioned two;
Above-mentioned both sides push arm is provided with two, is symmetricly set on above-mentioned middle push arm both sides, and its movement locus is along above-mentioned counterdie both sides to the outside of locating dowel under above-mentioned two;
Above-mentioned two limb push arms are provided with two, are symmetricly set on above-mentioned counterdie both sides the level height lower than above-mentioned lower locating dowel, and its movement locus is by below upper mould both sides to locating dowel under above-mentioned two.
Further, above-mentioned middle push arm, both sides push arm, two limb push arms are each equipped with positioning roller in order to push charge bar.
Further, above-mentioned one-shot forming system also includes frame mould, and above-mentioned counterdie is fixedly mounted in above-mentioned frame mould.
Present invention also offers spring forming method.
A kind of spring forming method, including step:
(1) bar after heating be placed on locating dowel positioned over after, middle push arm moves downward, and forces bar to be pressed in locating dowel, and produces bending;
(2) bar mid portion forms U-shaped under the effect of middle push arm;
(3) bar two ends are upturned, until encountering both sides push arm;
(4) both sides push arm moves downward, and bar is bent downwardly around the outside of upper locating dowel;
(5) two limb push arms are to middle motion, and bar is around the lateral bent intermediate of lower locating dowel;
(6) in the middle of, push arm, both sides push arm, two limb push arms are return, and upper mould enters motion to framed workmanship, carries out arch camber, go up locating dowel, lower locating dowel is return rapidly simultaneously, and upper mould moves on, and completes molding;
(7) upper mould retreats, and upper locating dowel, lower locating dowel are stretched out, and spring falls.
Beneficial effects of the present invention:
By changing the production technology of current Line for Passenger Transportation spring, namely three punch formings are improved to once hot bending and molding, and realize immediate quenching, to reach to reduce spring molding procedure, equipment, mould, improve the stability of product size and product quality and reduce the purpose of production cost, it is simple to realizing the full-automation produced.
Accompanying drawing explanation
Fig. 1 is the front view of the one-shot forming system of the implementation case spring forming machine;
Fig. 2 is the side view of the one-shot forming system of the implementation case spring forming machine;
Fig. 3 is the molding schematic flow sheet of the implementation case spring;
Fig. 4 is the molding schematic flow sheet of spring in prior art.
Detailed description of the invention
Below according to drawings and Examples, the present invention is described in further detail.
Fig. 1 is the front view of the one-shot forming system of the implementation case spring forming machine, Fig. 2 is the side view of the one-shot forming system of the implementation case spring forming machine, in the lump with reference to Fig. 1, Fig. 2, the present invention, the one-shot forming system of spring forming machine, including upper mould 7, counterdie 3, upper locating dowel 5, lower locating dowel 6, middle push arm 2, both sides push arm 1, two limb push arm 4;
Wherein, the surface of upper mould 7, the surface of counterdie 3 is just right;
Upper locating dowel 5 and lower locating dowel 6 all and are provided with two, in above-mentioned two, locating dowel 5 is symmetrical is fixed on counterdie 3 surface, symmetrical symmetrical counterdie 3 lower face that is fixed on of above-mentioned lower locating dowel 6, the distance between above-mentioned upper locating dowel 5 is more than the distance between above-mentioned lower locating dowel 6;
Middle push arm 2 is arranged on above above-mentioned counterdie 3, and its movement locus positions between bottom roller 6 along the above-mentioned vertical axis of counterdie 3 down to above-mentioned two;
Both sides push arm 1 is provided with two, is symmetricly set on above-mentioned middle push arm 2 both sides, and its movement locus is along above-mentioned counterdie 3 both sides to the outside of locating dowel under above-mentioned two 6;
Two limb push arms 4 are provided with two, are symmetricly set on above-mentioned counterdie 3 both sides the level height lower than above-mentioned lower locating dowel 6, and its movement locus is by below counterdie 3 both sides to locating dowel under above-mentioned two 6.
In the implementation case, middle push arm 2, both sides push arm 1, two limb push arm 4 are each equipped with positioning roller in order to push charge bar; One-shot forming system also includes frame mould 8, and above-mentioned counterdie 3 is fixedly mounted in above-mentioned frame mould 8.
Be the molding schematic flow sheet of the implementation case spring with reference to Fig. 3, Fig. 3, the forming process of spring: the bar after (1) heating be placed on locating dowel positioned over after, middle push arm moves downward, and forces bar to be pressed in locating dowel, and produces bending;
(2) bar mid portion forms U-shaped under the effect of middle push arm;
(3) bar two ends are upturned, until encountering both sides push arm;
(4) both sides push arm moves downward, and bar is bent downwardly around the outside of upper locating dowel;
(5) two limb push arms are to middle motion, and bar is around the lateral bent intermediate of lower locating dowel;
(6) in the middle of, push arm, both sides push arm, two limb push arms are return, and upper mould enters motion to framed workmanship, carries out arch camber, go up locating dowel, lower locating dowel is return rapidly simultaneously, and upper mould moves on, and completes molding;
(7) upper mould retreats, and upper locating dowel, lower locating dowel are stretched out, and spring falls.
The present invention, the one-shot forming system of spring forming machine, by changing the production technology of current Line for Passenger Transportation spring, namely three punch formings are improved to once hot bending and molding, and realize immediate quenching, to reach to reduce spring molding procedure, equipment, mould, improve the stability of product size and product quality and reduce the purpose of production cost, it is simple to realizing the full-automation produced.
Above-described embodiment only for technology design and the feature of the present invention are described, its object is to allow the personage being familiar with this art will appreciate that present invention and to be carried out, can not limit the scope of the invention with this. All equivalences made according to spirit of the invention change or modify, and all should be encompassed in protection scope of the present invention.
Claims (4)
1. the one-shot forming system of a spring forming machine, it is characterised in that include upper die and lower die, upper locating dowel, lower locating dowel, middle push arm, both sides push arm, two limb push arms;
The surface of described upper mould, described counterdie surface just right;
Described upper locating dowel and lower locating dowel are provided with two, in said two, locating dowel is symmetrical is fixed on described counterdie surface, two described lower locating dowels are symmetrical symmetrical is fixed on described counterdie lower face, and the distance between described upper locating dowel is more than the distance between described lower locating dowel;
Described middle push arm is arranged on above described counterdie, and its movement locus positions between bottom roller along the vertical axis of described counterdie down to two;
Described both sides push arm is provided with two, is symmetricly set on described middle push arm both sides, and its movement locus is along described counterdie both sides to the outside of two described lower locating dowels;
Described two limb push arms are provided with two, are symmetricly set on described counterdie both sides the level height of lower locating dowel described lower than two, and its movement locus is by below locating dowel under counterdie both sides to said two.
2. the one-shot forming system of spring forming machine according to claim 1, it is characterised in that described middle push arm, both sides push arm, two limb push arms are each equipped with positioning roller in order to push charge bar.
3. the one-shot forming system of spring forming machine according to claim 1, it is characterised in that described one-shot forming system also includes frame mould, described counterdie is fixedly mounted in described frame mould.
4. the spring forming method of the one-shot forming system of the spring forming machine used according to claim 1,2 or 3, it is characterised in that include step:
(1) bar after heating be placed on locating dowel positioned over after, middle push arm moves downward, and forces bar to be pressed in locating dowel, and produces bending;
(2) bar mid portion forms U-shaped under the effect of middle push arm;
(3) bar two ends are upturned, until encountering both sides push arm;
(4) both sides push arm moves downward, and bar is bent downwardly around the outside of upper locating dowel;
(5) two limb push arms are to intermediary movements, and bar is around the lateral bent intermediate of lower locating dowel;
(6) in the middle of, push arm, both sides push arm, two limb push arms are return, and upper mould enters motion to framed workmanship, carries out arch camber, go up locating dowel, lower locating dowel is return rapidly simultaneously, and upper mould moves on, and completes molding;
(7) upper mould retreats, and upper locating dowel, lower locating dowel are stretched out, and spring falls.
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| CN201310213985.1A CN103272903B (en) | 2013-05-31 | 2013-05-31 | The one-shot forming system of spring forming machine and spring forming method |
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| CN201310213985.1A CN103272903B (en) | 2013-05-31 | 2013-05-31 | The one-shot forming system of spring forming machine and spring forming method |
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| CN103272903B true CN103272903B (en) | 2016-06-08 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104368657A (en) * | 2014-11-14 | 2015-02-25 | 安徽省巢湖铸造厂有限责任公司 | Elastic strip winding and machining forming equipment for high-speed rail and manufacturing method of equipment |
| CN106216522B (en) * | 2016-08-31 | 2019-05-10 | 安徽金星预应力工程技术有限公司 | A kind of e spring press-bending flattening mold |
| CN106180418A (en) * | 2016-08-31 | 2016-12-07 | 安徽金星预应力工程技术有限公司 | A kind of e spring common molding mould |
| CN109702061B (en) * | 2018-12-28 | 2020-05-01 | 浙江科邦铁路部件有限公司 | E-shaped elastic strip bending machine |
| CN115055974B (en) * | 2022-05-31 | 2023-09-22 | 九江捷豹药械有限公司 | Elastic strip cutting shaping equipment |
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| CN202162272U (en) * | 2011-06-29 | 2012-03-14 | 北京铁科首钢轨道技术股份有限公司 | Mould for processing W-shaped elastic bar of passenger special line |
| CN102688947A (en) * | 2012-06-29 | 2012-09-26 | 南车戚墅堰机车车辆工艺研究所有限公司 | Railway fastener elastic strip forming die and forming method |
| CN203292259U (en) * | 2013-05-31 | 2013-11-20 | 安徽省巢湖铸造厂有限责任公司 | One-time forming system of elastic strip forming machine |
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| US659111A (en) * | 1900-05-14 | 1900-10-02 | George E Soper | Clip-forming machine. |
| NL163277C (en) * | 1974-02-26 | 1984-03-16 | Everts & Van Der Weyden Nv | METHOD FOR MAKING A RAIL CLAMP. |
| US4300380A (en) * | 1978-10-13 | 1981-11-17 | Pandrol Limited | Apparatus and a method for use in making a railway rail-fastening clip |
| US8191223B2 (en) * | 2009-03-17 | 2012-06-05 | Mobley Stephen J | Snowmobile track clipping tool |
| CN202263838U (en) * | 2011-09-09 | 2012-06-06 | 晋亿实业股份有限公司 | W-shaped spring strip die |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5022256A (en) * | 1988-09-29 | 1991-06-11 | Machinefabriek Wila B.V. | Clamping device |
| CN202162272U (en) * | 2011-06-29 | 2012-03-14 | 北京铁科首钢轨道技术股份有限公司 | Mould for processing W-shaped elastic bar of passenger special line |
| CN102688947A (en) * | 2012-06-29 | 2012-09-26 | 南车戚墅堰机车车辆工艺研究所有限公司 | Railway fastener elastic strip forming die and forming method |
| CN203292259U (en) * | 2013-05-31 | 2013-11-20 | 安徽省巢湖铸造厂有限责任公司 | One-time forming system of elastic strip forming machine |
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