CN207308657U - The manufacturing equipment of beam parts in a kind of Ti-Ni shape memory alloy glasses frame - Google Patents
The manufacturing equipment of beam parts in a kind of Ti-Ni shape memory alloy glasses frame Download PDFInfo
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- CN207308657U CN207308657U CN201721109045.8U CN201721109045U CN207308657U CN 207308657 U CN207308657 U CN 207308657U CN 201721109045 U CN201721109045 U CN 201721109045U CN 207308657 U CN207308657 U CN 207308657U
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Abstract
It the utility model is related to a kind of manufacturing equipment of beam parts in Ti-Ni shape memory alloy glasses frame,Middle beam parts for hot bending Ti-Ni shape memory alloy glasses frame,The material of the middle beam parts is Ti-Ni alloy line,The machined parameters of the middle beam parts include the standard curvature processed that cooperates with mirror holder,To be characterized in that,The manufacturing equipment includes a hot-bending pipe,Certain shaped steel mould,The hot-bending pipe includes at least an inner tube,One heating layer,The cross section of said inner tube is circular hole,Its Circularhole diameter is bigger 0.1mm~0.2mm than Ti-Ni alloy linear diameter,Said inner tube includes the port of export and arrival end,The circular hole is the three dimensions spiral shape through hole from its arrival end to port of export curvature gradual change from small to large,The curvature of the arrival end is smaller,The curvature of the port of export is equal to or less than the standard curvature of middle beam parts.
Description
Technical field
A kind of manufacturing equipment of Ti-Ni shape memory alloy glasses frame component is the utility model is related to, for hot bending titanium nickel shape
The middle beam parts of shape memory alloys spectacle frame.
Background technology
Ti-Ni marmem as new material new technology is because having fabulous super-elasticity, eyeglasses-wearing can in using
Make significantly flexural deformation and can resile and outstanding corrosion resistance and biological compatibility and do not react with sweat
Excellent material property and the consumer field in high-grade glasses has very big research and development and industrialization demand.Industry is usually by titanium nickel
(TiNi) shape memory alloy wire is used for the leg of spectacles and central sill for making high-grade titanium alloy glasses.
In order to meet that consumer pursues the specific Function of Ti-Ni shape memory alloy glasses frame, glasses industry dealer
The Ti-Ni marmem eye for example shown in Fig. 1, Fig. 2 is proposed to producer's manufacturing Ti-Ni shape memory alloy glasses frame
Mirror holder test request.Fig. 1 shows test request include：Two frames are clamped respectively with hand or test device, shown in Fig. 1
Arrow direction distortion spectacle frame, to the angle for forming 90 degree between two frame as depicted, allow mirror holder clear-cutting forestland to former
Position, repeats such distortion for several times.The test request that Fig. 2 is represented includes：Spectacle frame is bent as depicted, is such as schemed to being formed
90 degree of angle between two shown frames, allows mirror holder clear-cutting forestland to repeat such distortion for several times to original position.
These test request, proposes the super-elasticity and intensity of the middle beam parts of Ti-Ni shape memory alloy glasses frame
Higher requirement." central sill " generally includes to refer to " bridge of the nose " being commonly called as.
Due to the material property of Ti-Ni marmem, bending technique is different, then stress and stress response are different, influence
Material structure in Ti-Ni alloy section material, that is, influence the superelastic properties performance of the middle beam parts after shaping.In industry production
The bending technique of generally use, by the central sill titanium nickel shape memory alloy line segment through Overheating Treatment, in both ends crane span structure in lower die, upper mold
From bending after placed in the middle pat.In such technique, stress raisers and mutation are easily formed in memorial alloy section material,
Crystal defect is caused, influences the phase transformation uniformity of texture in section material, cannot having for the central sill accessory after shaping is preferably super
Elastic performance shows.
Product defects caused by therefrom, in foregoing test, mirror holder is unable to clear-cutting forestland to be held to original position, or central sill
Frangibility.
Utility model content
For the defects of beam parts bending technique, the utility model provides in existing Ti-Ni shape memory alloy glasses frame
The manufacturing equipment of beam parts in a kind of improved Ti-Ni shape memory alloy glasses frame.
The manufacturing equipment of the utility model, the utility model are used for the middle beam portion of hot bending Ti-Ni shape memory alloy glasses frame
Part, the material of the middle beam parts is Ti-Ni alloy line, and the machined parameters of the middle beam parts include cooperating with mirror holder and add
The standard curvature of work, the manufacturing equipment include a hot-bending pipe, certain shaped steel mould, and the hot-bending pipe includes at least an inner tube, one
Heating layer；The cross section of said inner tube is circular hole, its Circularhole diameter is bigger 0.1mm~0.2mm than Ti-Ni alloy linear diameter, described interior
Pipe includes the port of export and arrival end, and the circular hole is the three-dimensional from its arrival end to port of export curvature gradual change from small to large
Spatially spiral shape through hole, the curvature of the arrival end is smaller, and the curvature of the port of export is equal to or less than the standard of middle beam parts
Curvature, the heating layer are cladding or are wrapped in outside inner tube for the resistance heating layer to inner tube heating, the sizing punching block
With the cross section being formed in punching block be circular hole, its Circularhole diameter is bigger 0.1mm~0.2mm than Ti-Ni alloy segment diameter,
Its curvature is equal to or less than the standard curvature of middle beam parts, and the sizing punching block includes upper mold and lower die, the middle beam parts
From sizing punching block mould can be divided to go out.The conduit of a vertical side being located at where hot-bending pipe arrival end is further included, and a flexibility pushes away
Pin and a rigidity are pushed pin；Conduit is used to guide and constrain flexibility and push pin to enter the hot-bending pipe to make it easier to propulsion alloy line segment
Inner tube；Flexibility, which pushes pin to push pin with rigidity, is welded to connect or is socketed connection；Rigidity, which is pushed pin, to be made it easy to promote or takes out flexibility and push away
Pin.Said inner tube by bending metal pipe into, be cladded with thermal insulation layer, wind resistive heater in thermal insulation layer, then it is overcoating every
Hot insulating layer, thermal insulation layer form heating layer together with resistive heater and insulating.Said inner tube is by heat-resisting
Nonmetallic materials are made, and said inner tube is made of heat resistant glass or heat resisting ceramic materials.The upper mold of the sizing punching block is with
Mould is respectively provided with the curved groove of semi-circular section, in order to which the middle beam parts divide mould to go out from sizing punching block.
By above-mentioned manufacturing process and corresponding equipment, during Ti-Ni alloy line segment bending forming, enter from inner tube
Mouthful end is introduced into the interior pipe through-hole close to the small curvature of straight line, i.e. a hot bending bend, gradual progressive to be advanced to deep camber hot bending
Bend, Ti-Ni alloy line segment bend to deep camber from the small curvature progressive deformation close to straight line, until the middle beam portion of mirror holder requirement
The camber of part；The distortional stress of Ti-Ni alloy line segment is gradually progressive generation, and gradually progressive is distributed to whole alloy wire
Section, gradual change stress guiding alloy substrate deformation dislocation and grain growth orientation and distribution also it is progressive in order produce and
It is uniformly distributed；It is beneficial to the uniformity of super-elasticity phase transformation so that super-elasticity has more preferable performance.Avoid at the same time in alloy line segment
Two ends or middle part produce the fault in material as caused by shear stress, avoid beam parts in this from easily snapping off.It is compared to existing
Technology, the hot-bending pipe of the utility model, overcomes the hot bending of the punching block up and down passage of the prior art due to dividing die slot gap to be formed not
It is smooth, overcome the inaccuracy, inconvenient of upper and lower punching block hot bending passage temperature adjustment insulation, and because the hot bending of the utility model
The spiral shape hot bending passage for the curvature gradual change on three dimensions that the inner tube of pipe is formed, the deformation of Ti-Ni alloy line segment
The gradual progressive generation of stress and the gradually progressive effect for being distributed to whole alloy line segment are better, corresponding to above institute
Various dimensions distortion bending in the test stated, the hot bending equipment of the utility model, the stress guiding alloy substrate of its gradual change
Deformation dislocation and grain growth orientation and distribution are in progressive generation in order and equally distributed effect is more preferable；More it is beneficial to
The uniformity of super-elasticity phase transformation so that super-elasticity has more preferable performance.
Brief description of the drawings
Fig. 1 is one of apparatus assembly for the utility model manufacturing process, the schematic perspective view of hot-bending pipe；
Fig. 2 is the schematic perspective view of another angle of the hot-bending pipe shown in Fig. 1；
Fig. 3 is the schematic perspective view of the inner tube of the hot-bending pipe shown in Fig. 1；
Fig. 4 is the schematic perspective view of another angle of inner tube shown in Fig. 3.
Embodiment
Incorporated by reference to referring to Fig. 1, Fig. 2, Fig. 3, Fig. 4, it shows a kind of Ti-Ni shape memory alloy glasses frame of the utility model
Hot-bending pipe in one specific embodiment of the hot bending equipment of middle beam parts.It is used for following manufacturing process：Will be a diameter ofAtomic ratio containing Ti is 43.7% titanium-nickel shape memory alloy wire rod, is cutting into the line segment that length is 30mm, clearly
Wash, roller, be heat-treated 25 minutes at 420 DEG C, alloy line segment is pushed into entering for hot-bending pipe (10) as hereinafter described at 300 DEG C
Mouth end (11), the port of export for being pushed into the hot-bending pipe (10) in 5~10 seconds (12), is then pushed into certain shaped steel that the port of export connects
In mould, in punching block of shaping being cooled to less than 150 DEG C divides mould depanning.Sizing punching block mould temperature is maintained at 100 DEG C.
To realize above-mentioned manufacturing process, the present embodiment uses equipment as described below：Hot-bending pipe (10) includes an inner tube
(13), a heating layer (14).Inner tube has the cross section bigger 0.1mm than Ti-Ni alloy segment diameter for circular hole, its Circularhole diameter
The through hole (15) of~0.2mm, the through hole be from arrival end (11) to the port of export (12) its curvature from small to large gradual change three
Dimension space spiral shape through hole.Heating layer (14) includes being wrapped in the resistance wire (16) that inner tube (13) is used to heat to inner tube outside.This
In inner tube by bending metal pipe into being cladded with thermal insulation layer, resistive heater wound in thermal insulation layer, then be cladded with heat-insulated guarantor
Warm layer.Thermal insulation layer forms heating layer (14) together with resistive heater and insulating.In other embodiments, inner tube
It can also be made of heat-resisting nonmetallic materials, such as heat resistant glass or heat-stable ceramic.
In the present embodiment, the section of the round and smooth through hole of three-dimensional spiral shaped form of the inner tube is diameterCircular hole, tool
There is deformation glade plane space bigger 0.1mm than alloy strands diameter or so.
It is circular hole its Circularhole diameter than Ti-Ni alloy line segment that the sizing steel mold, which has the cross section being formed in punching block,
The big 0.1mm of diameter, its curvature are equal to or slightly less than the shaped form through hole or blind hole of the curvature of the middle beam parts of mirror holder requirement；It is fixed
Shaped steel mould includes detachable two halves, its two halves is respectively provided with the curved groove of semi-circular section, in order to which the middle beam parts are from sizing
Mould is divided to go out in punching block.
For the equipment of foregoing manufacturing process, and the conduit of a vertical side being located at where hot-bending pipe arrival end is further included,
And one flexibility push pin with one rigidity push pin；Conduit be used for guide and constrain flexibility push pin with make it easier to promote alloy line segment into
Enter the inner tube of the hot-bending pipe；Flexibility, which pushes pin to push pin with rigidity, is welded to connect or is socketed connection；Rigidity, which is pushed pin, to be made it easy to promote
Or take out flexibility and push pin.
In this beam parts by its with after the reprocessing of the connecting portion of lens frame, then after obtaining coating, or connection can
Directly lead to the material components of lens frame welding, such as silk, become the middle beam parts that can be welded with spectacle-frame.Manufactured spectacle frame
The test shown in foregoing Fig. 1, Fig. 2 can be passed through, and the curved of the deformation bigger beyond the test request can be made
Bent and distortion, super-elasticity perform better.For there is the spectacle frame central sill of other camber, the camber that this technique is produced may be selected
As the camber of deflection maximum in the test, the deformation of another camber is remake on this basis.
Claims (5)
- A kind of 1. manufacturing equipment of beam parts in Ti-Ni shape memory alloy glasses frame, for hot bending Ti-Ni marmem eye The middle beam parts of mirror holder, the material of the middle beam parts is Ti-Ni alloy line, and the machined parameters of the middle beam parts include and mirror The standard curvature of frame mutual cooperation processing, to be characterized in that：The manufacturing equipment includes a hot-bending pipe, certain shaped steel mould, institute Hot-bending pipe is stated including at least an inner tube, a heating layer；The cross section of said inner tube is circular hole, its Circularhole diameter is than Ti-Ni alloy line Big 0.1mm~the 0.2mm of diameter, said inner tube include the port of export and arrival end, and the circular hole is from its arrival end to the port of export The three dimensions spiral shape through hole of curvature gradual change from small to large, the curvature of the arrival end is smaller, the song of the port of export Rate is equal to or less than the standard curvature of middle beam parts, and the heating layer is cladding or is wrapped in outside inner tube to be used to heat to inner tube Resistance heating layer, the sizing steel mold has the cross section that is formed in punching block to be closed for circular hole, its Circularhole diameter than titanium nickel Big 0.1mm~the 0.2mm of golden segment diameter, its curvature are equal to or less than the standard curvature of middle beam parts, and the sizing punching block includes Upper mold and lower die, the middle beam parts can divide mould to go out from sizing punching block.
- 2. manufacturing equipment according to claim 1, it is characterised in that：One is further included to be located at where hot-bending pipe (10) arrival end Vertical side conduit, and a flexibility push pin with one rigidity push pin；Conduit is pushed pin so that its is easy for guiding and constraining flexibility In the inner tube for promoting Ti-Ni alloy line to enter the hot-bending pipe, flexibility, which pushes pin to push pin with rigidity, is welded to connect or is socketed connection, just Property, which is pushed pin, to be made it easy to promote or takes out flexibility and push pin.
- 3. manufacturing equipment according to claim 1 or 2, it is characterised in that：Said inner tube is by bending metal pipe into being cladded with exhausted Edge heat-conducting layer, winds resistive heater, then overcoating insulating in thermal insulation layer, thermal insulation layer and resistive heater with And insulating forms heating layer together.
- 4. manufacturing equipment according to claim 1 or 2, it is characterised in that：Said inner tube is by heat-resisting nonmetallic materials system Into said inner tube is made of heat resistant glass or heat resisting ceramic materials.
- 5. manufacturing equipment according to claim 1 or 2, it is characterised in that：The upper mold of the sizing punching block is respectively set with lower die There is the curved groove of semi-circular section, in order to which the middle beam parts divide mould to go out from sizing punching block.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721109045.8U CN207308657U (en) | 2017-08-31 | 2017-08-31 | The manufacturing equipment of beam parts in a kind of Ti-Ni shape memory alloy glasses frame |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721109045.8U CN207308657U (en) | 2017-08-31 | 2017-08-31 | The manufacturing equipment of beam parts in a kind of Ti-Ni shape memory alloy glasses frame |
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| CN207308657U true CN207308657U (en) | 2018-05-04 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107520297A (en) * | 2017-08-31 | 2017-12-29 | 温州圣蓝工贸有限公司 | The manufacturing process and equipment of beam parts in a kind of Ti-Ni shape memory alloy glasses frame |
| CN112410700A (en) * | 2020-12-07 | 2021-02-26 | 温州圣蓝工贸有限公司 | Heat treatment device for elastic titanium-nickel alloy glasses leg linear blank |
-
2017
- 2017-08-31 CN CN201721109045.8U patent/CN207308657U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107520297A (en) * | 2017-08-31 | 2017-12-29 | 温州圣蓝工贸有限公司 | The manufacturing process and equipment of beam parts in a kind of Ti-Ni shape memory alloy glasses frame |
| CN112410700A (en) * | 2020-12-07 | 2021-02-26 | 温州圣蓝工贸有限公司 | Heat treatment device for elastic titanium-nickel alloy glasses leg linear blank |
| CN112410700B (en) * | 2020-12-07 | 2024-03-01 | 温州升蓝工贸有限公司 | Heat treatment device for linear blank material of elastic titanium-nickel alloy glasses leg |
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