CN102717228B - Metal strip steel loop set forming method and device - Google Patents
Metal strip steel loop set forming method and device Download PDFInfo
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- CN102717228B CN102717228B CN201110226068.8A CN201110226068A CN102717228B CN 102717228 B CN102717228 B CN 102717228B CN 201110226068 A CN201110226068 A CN 201110226068A CN 102717228 B CN102717228 B CN 102717228B
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Abstract
The invention relates to the field of automobile metal strip-type continuously variable transmissions, and in particular relates to a metal strip steel loop set forming method and a metal strip steel loop set forming device, aiming at solving the problems of nonuniform load distribution of each layer of steel strip during the operation and the like in the prior art. The metal strip steel loop set is mainly used as a power transmission device among strip wheels of a continuously variable transmission of a motor vehicle; after a strip material with the width greater than the width of the steel loop by two times above is rolled into a cylindrical shape, the strip material is welded into an enclosed loop; in welding, the side surface of the welding line is connected with a sheet-shaped welding auxiliary device; after welding, the enclosed loop is rolled into the required thickness and diameter; a metal enclosed loop flexible element consists of thin-wall high-nickel-alloy steel loops which are embedded in multiple layers; a group of multi-layer steel loops are simultaneously installed on a circumference surface of a plate-shaped device; and heat treatment is carried out at 460-520 DEG C for 1.5 hours. According to the invention, during arc surface forming, errors generated in the rolling process are eliminated further, and the match accuracy is improved, thereby being favorable for improving the bearing capability and prolonging the service life.
Description
Technical field
The present invention relates to automobile metal variable v-belt drive field, be specially a kind of metal belt steel ring group and form method and apparatus, this metal belt steel ring group is mainly used as the power transmission between belt wheel in continuously variable motor vehicle device.
Background technology
In current automobile metal variable v-belt drive, metal tape is the actuated element of its core, and metal belt steel ring group is the tension element of metal tape.This steel loop group is by nested the forming of multilayer steel loop stack, and due to the needs of function, its axial cross section is shaped as a specific arc.
The wide sheet metal strip of a slice (being generally high nickel steel) is rolled into tubular, by the joint weld of docking, become sealing steel cylinder, by required width, be cut into some steel loops, each becket is rolled into the steel loop of accurate thickness and girth at milling train top roll, or rolling becomes the slightly cydariform face of projection of periphery simultaneously, axial cross section is shaped as a specific arc; Steel loop, after further calibrating, is carried out to timeliness or nitrogen treatment; Steel loop is pressed to girth (diameter) and measure classification, by required gap, through apolegamy, the steel loop of different girths (diameter) is nested into steel loop group successively, conventionally by 9-12 layer steel loop, formed.The weak point of producing metal tape in prior art is, production efficiency is lower, and steel loop fit dimension precision is lower.
Summary of the invention
The object of the present invention is to provide a kind of metal belt steel ring group to form method and apparatus, solve the problems such as low and lower each layer of steel band load distribution causing of steel loop fit dimension precision of the productivity ratio existing in prior art be inhomogeneous.
Technical scheme of the present invention is:
A kind of metal belt steel ring group formation method, described metal belt steel ring group is comprised of the thin-walled closed loop steel loop of multilayer nest, and width is greater than 2 times of above bands of the final width of steel loop and is rolled into after tubular, is welded into the wide steel loop of closed loop; The wide steel loop of closed loop, through being rolling to after the thickness and diameter needing, is along the circumferential direction cut into 2 closed loop steel loops above with final width; A plurality of closed loop steel loops with final width become one group of multilayer nest steel loop group according to diameter assembly; One group of multilayer nest steel loop group is installed on the lateral surface of a plate-like device with radial opening simultaneously, the subtended angle of the radial opening on plate-like device is extended to lateral surface and with pretightning force, is stretched in metal belt steel ring group; Then between 460 to 520 degrees Celsius, under vacuum environment or inert protective gas environment or nitrogen environment or nitrogenize environment, carry out more than 1.5 hours heat treatment.
Described metal belt steel ring group formation method, band is welded into the wide steel loop of closed loop by laser weld or differential of the arc argon arc welding method.
Described metal belt steel ring group formation method, during welding, is connected with sheet auxiliary welding equipment in weld seam side, on the intersection of sheet auxiliary welding equipment and weld seam, is placed with and sheet or the spherical auxiliary scolder of steel loop with material.
Described metal belt steel ring group formation method, has the method for the side of the steel loop of final width being removed by machinery and removes burr, as uses emery wheel or bistrique polishing steel loop side with concave cylindrical face.
A kind of metal belt steel ring group forming device, at least comprise a plate-like device, described metal belt steel ring group is comprised of the thin-walled closed loop steel loop of multilayer nest, one group of multilayer nest steel loop group is installed on the lateral surface of this plate-like device simultaneously, the lateral surface of this plate-like device is one or more axially uniform, omits the cydariform face of microprotrusion in axial centre position.
Described metal belt steel ring group forming device, is provided with cannelure between cydariform face, is provided with spacer ring in cannelure, places metal belt steel ring group between spacer ring.
Described plate-like device is with radial opening.
Described plate-like device center is provided with tapering or not with hole or the screwed hole of tapering.
Described metal belt steel ring group forming device, before multilayer steel loop is installed on and heat-treats on plate-like device, in the centre bore of plate-like device, plug-in mounting is with the taper heart mould of tapering, and the lateral surface that the subtended angle of plate-like device radial opening is extended to plate-like device is stretched in metal belt steel ring group with pretightning force.
Described metal belt steel ring group forming device, described plate-like device is made by metal material, and its linear expansion coefficient is 13 * 10
-6more than/K.
The invention has the beneficial effects as follows:
1. the wide steel cylinder blank (steel cylinder of the width of a plurality of steel loops that the present invention is rolled into the steel plate of certain width and length cylinder and is welded into, as the steel cylinder of 10 times of steel loop width) be accurately rolled into the wide steel cylinder of required thickness and girth (diameter), production efficiency is improved significantly.
2. the present invention struts the mould with radial opening by circular cone centre of form mould or other method; metal belt steel ring group is fitted on the mould with arc section completely; become metal tape cambered surface steel loop group; in the process of Ageing Treatment; mould and the heart mould of metal tape cambered surface steel loop group will be installed; (metal material, linear expansion coefficient is 13 * 10 to high linear expansion coefficient
-6more than/K) mould of material further struts metal belt steel ring group, makes each steel loop of steel loop group produce plastic deformation.When completing cambered surface shaping, further eliminate the error of retaining in the operation of rolling, improve quality of fit, thereby reduce the unevenness of each layer of steel band load distribution in the course of work, be conducive to improve metal tape bearing capacity and life-span.
Accompanying drawing explanation:
Fig. 1: metal belt steel ring group formation method schematic diagram of the present invention.
Fig. 2: the shaper schematic diagram of metal belt steel ring group of the present invention.Wherein, Fig. 2 (b) is top view; Fig. 2 (a) is the D-D cutaway view of Fig. 2 (b).
In Fig. 1 and Fig. 2,1-flat substrates; 2-tubular base material; 3-metal tape closed loop; 4-metal bandwidth steel loop; 5-metal belt steel ring; 6-metal belt steel ring group; 7-metal tape cambered surface steel loop group; 8-spacer ring; The mould of 9-radial opening; 10-taper heart mould; 11-assists scolder; 12-sheet auxiliary welding equipment.
The specific embodiment:
As Fig. 1 represents, the processing step that metal belt steel ring of the present invention is produced is as follows:
In the first processing step (1), metal tape banding substrate adopts width to be greater than 2 times of above bands of steel loop width, and metal tape banding substrate is sheared into the flat substrates 1 of given size.In the second processing step (2), flat substrates 1 is rolled into cylinder type, and adds sheet auxiliary welding equipment 12 spot welding formation cartridge type base materials 2; In the 3rd processing step (3), the soldered formation closed loop of tubular base material 2, during welding, be placed with and sheet or the spherical auxiliary scolder 11 of steel loop with material on the intersection of sheet auxiliary welding equipment 12 and weld seam, then the auxiliary scolder on both sides is removed and forms metal tape closed loop 3.In the 4th processing step (4), metal tape closed loop is arrived thickness and the girth of regulation under extended state by rolling, forms metal bandwidth steel loop 4.In the 5th processing step (5), metal bandwidth steel loop 4 is cut into the metal belt steel ring 5 of final width.In the 6th processing step (6), the method that the side of steel loop is removed by machinery is removed burr, and more favourable method is grinding, and the metal belt steel ring cutting 5 is put into emery wheel or the polishing of bistrique grinding steel loop side with concave cylindrical face.In the 7th processing step (7), the metal belt steel ring 5 of different-diameter of matching several economy-combat milleds is nested, form metal belt steel ring group 6, then some groups of metal belt steel ring groups 6 are enclosed within to shaper (plate-like device) upper, two adjacent groups metal belt steel ring group 6 use spacer rings 8 are spaced-apart.In the 8th processing step (8); with taper heart mould 10, strut the mould 9 with radial opening; metal belt steel ring group 6 is under the effect of tensile force; be fitted in completely on the mould that circumference side is cydariform face (Fig. 2); become metal tape cambered surface steel loop group 7; then mould and the taper heart mould 10 of metal tape cambered surface steel loop group 7 will be installed; integral body is put into protective gas or vacuum heat treatment furnace; carry out known Ageing Treatment (between 460 to 520 degrees Celsius; insulation more than 1.5 hours, is generally 1.5-6 hour.Before heat-treating, the mould 9 that the subtended angle of radial opening must be extended to radial opening is pressed in metal belt steel ring group 6 with certain pretightning force.In the 9th processing step (9), after Ageing Treatment, take out after cooling taper heart mould 10, take off metal tape cambered surface steel loop group 7.
In the present invention, shaper (plate-like device) center is offered with tapering or not with hole or the screwed hole of tapering.The periphery of plate-like device is the cydariform face that microprotrusion is omited in the position in the middle of axially, also can be uniform in the axial direction a plurality of cydariform faces, and the axial height of each cydariform face is slightly larger than the final width of metal belt steel ring.The metal closed loop flexible member of automobile metal variable v-belt drive is comprised of the thin-walled of multilayer nest (wall thickness be 0.12 to 0.4mm) Langaloy steel loop, and one group of multilayer steel loop is installed on the periphery of a cydariform face of a plate-like device simultaneously.
As shown in Figure 2, the shaper of metal belt steel ring group forming device of the present invention comprises: the mould 9 of spacer ring 8, radial opening, taper heart mould 10, mould 9 endoporus (centre bore) of radial opening are bellmouth, taper heart mould 10 is installed in this bellmouth, mould 9 outsides of radial opening have a plurality of cannelures, spacer ring 8 is installed in this cannelure, between spacer ring 8 for placing metal belt steel ring group 6, between adjacent spacer ring 8, the mould 9 circumference sides of radial opening are cydariform face.Taper heart mould 10 struts the mould of radial opening 9, and plastic deformations occur the metal belt steel ring group 6 that makes to be installed on the mould 9 cydariform faces of radial opening.
Embodiment 1
In the present embodiment, metal strap ring material is nickelic Maraging steel, and metal belt steel ring group 6 is 10 groups, and the mould 9 of radial opening adopts stainless steel, and its linear expansion coefficient is greater than 13 * 10
-6/ K, the temperature of Ageing Treatment is 480 ℃, is incubated 4 hours.
In the present embodiment, each layer of load nonuniformity coefficient of the metal belt steel ring of acquisition is 6%.
Claims (10)
1. a metal belt steel ring group formation method, described metal belt steel ring group is comprised of the thin-walled closed loop steel loop of multilayer nest, it is characterized in that: in the first processing step (1), metal tape banding substrate adopts width to be greater than 2 times of above bands of steel loop width, and metal tape banding substrate is sheared into the flat substrates of given size; In the second processing step (2), flat substrates is rolled into cylinder type, and adds sheet auxiliary welding equipment spot welding formation cartridge type base material; In the 3rd processing step (3), the soldered formation closed loop of tubular base material, during welding, be placed with and sheet or the spherical auxiliary scolder of steel loop with material on the intersection of sheet auxiliary welding equipment and weld seam, then the auxiliary scolder on both sides is removed and forms metal tape closed loop; In the 4th processing step (4), metal tape closed loop is arrived thickness and the girth of regulation under extended state by rolling, forms metal bandwidth steel loop; In the 5th processing step (5), metal bandwidth steel loop is cut into the metal belt steel ring of final width; In the 6th processing step (6), the method that the side of steel loop is removed by machinery is removed burr, and the metal belt steel ring cutting is put into emery wheel or the polishing of bistrique grinding steel loop side with concave cylindrical face; In the 7th processing step (7), the metal belt steel ring of different-diameter of matching several economy-combat milleds is nested, form metal belt steel ring group, then some groups of metal belt steel ring groups are enclosed within on shaper plate-like device, two adjacent groups metal belt steel ring group is spaced-apart with spacer ring; In the 8th processing step (8), with taper heart mould, strut the mould with radial opening, metal belt steel ring group is under the effect of tensile force, be fitted in completely on the mould that circumference side is cydariform face, become metal tape cambered surface steel loop group, then will install mould and the taper heart mould of metal tape cambered surface steel loop group, integral body is put into protective gas or vacuum heat treatment furnace, carry out Ageing Treatment, between 460 to 520 degrees Celsius, insulation is more than 1.5 hours; Before heat-treating, the mould that the subtended angle of radial opening must be extended to radial opening is pressed in metal belt steel ring group with certain pretightning force; In the 9th processing step (9), after Ageing Treatment, take out after cooling taper heart mould, take off metal tape cambered surface steel loop group.
2. according to metal belt steel ring group formation method claimed in claim 1, it is characterized in that: band is welded into the wide steel loop of closed loop by laser weld or differential of the arc argon arc welding method.
3. according to metal belt steel ring group formation method claimed in claim 1, it is characterized in that: during welding, in weld seam side, be connected with sheet auxiliary welding equipment, on the intersection of sheet auxiliary welding equipment and weld seam, be placed with and sheet or the spherical auxiliary scolder of steel loop with material.
4. according to metal belt steel ring group formation method claimed in claim 1, it is characterized in that: have the method for the side of the steel loop of final width being removed by machinery and remove burr, the method that described machinery is removed is emery wheel or the bistrique polishing steel loop side of using with concave cylindrical face.
5. a metal belt steel ring group forming device, at least comprise a plate-like device, described metal belt steel ring group is comprised of the thin-walled closed loop steel loop of multilayer nest, one group of multilayer nest steel loop group is installed on the lateral surface of this plate-like device simultaneously, it is characterized in that: the lateral surface of this plate-like device is one or more axially uniform, in axial centre position, omit the cydariform face of microprotrusion; Plate-like device comprises: the mould of spacer ring, radial opening, taper heart mould, the mould endoporus centre bore of radial opening is bellmouth, taper heart mould is installed in this bellmouth, the mould outside of radial opening has a plurality of cannelures, spacer ring is installed in this cannelure, between spacer ring for placing metal belt steel ring group, between adjacent spacer ring, the mould circumference side of radial opening is cydariform face; Taper heart mould struts the mould of radial opening, makes to be installed on the metal belt steel ring group generation plastic deformation on the mould cydariform face of radial opening.
6. according to metal belt steel ring group forming device claimed in claim 5, it is characterized in that: between cydariform face, be provided with cannelure, in cannelure, be provided with spacer ring, between spacer ring, place metal belt steel ring group.
7. according to metal belt steel ring group forming device claimed in claim 5, it is characterized in that: described plate-like device is with radial opening.
8. according to metal belt steel ring group forming device claimed in claim 5, it is characterized in that: described plate-like device center is provided with tapering or not with hole or the screwed hole of tapering.
9. according to metal belt steel ring group forming device claimed in claim 7, it is characterized in that: before multilayer steel loop is installed on and heat-treats on plate-like device, in the centre bore of plate-like device, plug-in mounting is with the taper heart mould of tapering, and the lateral surface that the subtended angle of plate-like device radial opening is extended to plate-like device is stretched in metal belt steel ring group with pretightning force.
10. according to metal belt steel ring group forming device claimed in claim 5, it is characterized in that: described plate-like device is made by metal material, and its linear expansion coefficient is 13 * 10
-6more than/K.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110226068.8A CN102717228B (en) | 2011-08-03 | 2011-08-03 | Metal strip steel loop set forming method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110226068.8A CN102717228B (en) | 2011-08-03 | 2011-08-03 | Metal strip steel loop set forming method and device |
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| Publication Number | Publication Date |
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| CN102717228A CN102717228A (en) | 2012-10-10 |
| CN102717228B true CN102717228B (en) | 2014-10-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110226068.8A Active CN102717228B (en) | 2011-08-03 | 2011-08-03 | Metal strip steel loop set forming method and device |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104148900A (en) * | 2014-08-13 | 2014-11-19 | 权明勇 | Machining technology for annular steel belts |
| CN105619009B (en) * | 2014-10-29 | 2017-12-15 | 沈阳透平机械股份有限公司 | The air duct method for machining bore of centrifugal compressor |
| CN113523740B (en) * | 2021-07-22 | 2022-04-19 | 上海丁柯机械有限公司 | Steel strip processing technology |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101061329A (en) * | 2004-11-17 | 2007-10-24 | 罗伯特·博世有限公司 | Push belt and making method therefor |
| CN101298089A (en) * | 2007-04-30 | 2008-11-05 | 张家港市合丰机械制造有限公司 | Pipe-expansion mold |
| CN101842502A (en) * | 2007-10-31 | 2010-09-22 | 罗伯特·博世有限公司 | Drive belt ring component and manufacturing method therefor |
| CN202240437U (en) * | 2011-08-03 | 2012-05-30 | 程乃士 | Metal belt steel ring group forming device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL1037364C2 (en) * | 2009-10-06 | 2011-04-07 | Bosch Gmbh Robert | Drive belt provided with a laminated set of steel rings. |
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2011
- 2011-08-03 CN CN201110226068.8A patent/CN102717228B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101061329A (en) * | 2004-11-17 | 2007-10-24 | 罗伯特·博世有限公司 | Push belt and making method therefor |
| CN101298089A (en) * | 2007-04-30 | 2008-11-05 | 张家港市合丰机械制造有限公司 | Pipe-expansion mold |
| CN101842502A (en) * | 2007-10-31 | 2010-09-22 | 罗伯特·博世有限公司 | Drive belt ring component and manufacturing method therefor |
| CN202240437U (en) * | 2011-08-03 | 2012-05-30 | 程乃士 | Metal belt steel ring group forming device |
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