CN207642138U - Using the thin plate of low-melting alloy without the wrinkle resistant shaping dies of surplus - Google Patents
Using the thin plate of low-melting alloy without the wrinkle resistant shaping dies of surplus Download PDFInfo
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- CN207642138U CN207642138U CN201721715187.9U CN201721715187U CN207642138U CN 207642138 U CN207642138 U CN 207642138U CN 201721715187 U CN201721715187 U CN 201721715187U CN 207642138 U CN207642138 U CN 207642138U
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- melting alloy
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model discloses a kind of thin plates using low-melting alloy without the wrinkle resistant shaping dies of surplus, is related to a kind of three-dimension curved surface sheet material forming device, belongs to mechanical engineering field.Wrinkle resistant shaping dies is using low-melting alloy as the anti-corrugation medium of binder.In Sheet Metal Forming, the low-melting alloy at punch and matrix tool keeps achieving full-area contact with plank and applies pressure-pad-force to plank；With the pressure of punch-pin, low-melting alloy generates respective flow, but remains and contact with plate surface, while plank shape face constantly generates consecutive variations.The wrinkling in Sheet Metal Forming can effectively be inhibited without the wrinkle resistant shaping dies of surplus using the thin plate of low-melting alloy, achieve the effect that sheet material forming is processed without surplus, greatly improve utilization rate of raw materials, reduce the profile modifications work after forming；Have the characteristics that flexible forming, can be applied to different shape, the forming of various sizes of Sheet Metal Surface.
Description
Technical field
A kind of thin plate using low-melting alloy is related to three-dimension curved surface sheet material forming device without the wrinkle resistant shaping dies of surplus,
Belong to mechanical engineering field.
Background technology
Sheet material forming technology is widely used in the manufacturing fields such as aerospace, automobile, electronics, occupies in manufacturing industry important
Status.When Three-dimensional Sheet Metal part uses die forming, generally requires to push down sheet edge using flange fixing installation, prevent plank
Wrinkling is generated in forming process.Structure, shape of flange fixing installation etc. are corresponding with workpiece shape and size, dramatically increase
The workload of Mould design and manufacturing；If design is unreasonable, corrugation is will appear in Sheet Metal Forming, transition is thinned even
The defects of drawing crack.In addition, needing to carry out profile cutting to workpiece after forming, small lot, personalized demand cannot be satisfied.
Low-melting alloy has a very low Rheological strength, good ductility, the heat sensitivity of Rheological strength, and can be with
The features such as reuse.In Sheet Metal Forming, using these features of low-melting alloy, it may be implemented to the comprehensive of plank
Product contact, keeps impaction state, generates flanging effect, can inhibit plank local buckling and wrinkling.Moreover, passing through adjusting
The heating temperature of low-melting alloy can control the flow behavior of alloy, change and control flanging effect.Use low-melting alloy
Thin plate without the wrinkle resistant shaping dies of surplus, complicated flange fixing installation can not had to, save design and make, installation, debugging flanging
The required a large amount of man power and materials of device.
Utility model content
The purpose of this utility model is that using the characteristic of low-melting alloy, it effectively prevent existing sheet material forming mold in plate
Will appear corrugation in material forming process, the defects of even drawing crack is thinned in transition, provide a kind of thin plate using low-melting alloy without
The wrinkle resistant shaping dies of surplus.
The no wrinkle resistant shaping dies of surplus is using low-melting alloy as wrinkle resistant binder medium.It is convex in Sheet Metal Forming
Low-melting alloy generates respective flow when under molding, and low-melting alloy is close to plank upper and lower surface in flow process, simultaneously
Plank shape face generates consecutive variations.The low-melting alloy of punch and matrix tool keeps full forming contact area with plate, and is applied to plank
Add forming pressure to give plank normal direction and tangential force effect, prevents plank from occurring plastic instability and corrugation in forming process now
As.Formation zone and area's two parts to be formed can be divided into sheet material forming, formation zone is contacted with punch-pin for plank and is plastically deformed
Region, and area to be formed is then the region of the elastic bending deflection other than plastically deforming area；With the increase of Forming depth, at
Shape area gradually increases, and area to be formed is gradually reduced, and area to be formed continuously changes to formation zone, until sheet forming process
Terminate.The no wrinkle resistant shaping dies of surplus can effectively inhibit to wrinkle when sheet material forming, reach the effect that sheet material forming is processed without surplus
Fruit greatly improves utilization rate of raw materials, and reduces the work of drip molding profile modifications.
The above-mentioned purpose of the utility model is realized by following scheme：
A kind of thin plate using low-melting alloy without the wrinkle resistant shaping dies of surplus, using low-melting alloy 2 as it is wrinkle resistant at
Shape medium, in shaped low-melting alloy 2 remain with 3 achieving full-area contact of plank, continuous pressure-pad-force is provided；Described
The no wrinkle resistant shaping dies of surplus includes cavity plate 1, low-melting alloy 2, punch-pin ring 4, punch-pin 5, and the punch-pin ring 4 is logical with cavity plate 1
It crosses locating flange to be attached, the low-melting alloy 2 of fusing is injected separately into the cavity of cavity plate 1 and punch-pin ring 4.
The punch-pin 5 and cavity plate 1 digitize mold using flexible multi-point.
Heating mechanism is set in the cavity plate 1 and punch-pin ring 4, heats the low melting point in cavity plate 1 and punch-pin ring 4 respectively
Alloy 2.
A kind of above-mentioned manufacturing process of thin plate using low-melting alloy without the wrinkle resistant shaping dies of surplus, including following step
Suddenly：
Step 1: the low-melting alloy 2 of fusing is injected in 1 cavity of cavity plate, the injection thickness of low-melting alloy 2, according to
The shape and material properties of drip molding are adjusted；
Step 2: after the cooling of low-melting alloy 2, place by shaped sheet 3；
Step 3: placing punch-pin ring 4；
Step 4: the low-melting alloy 2 of fusing is injected in 4 cavity of punch-pin ring, the injection thickness of low-melting alloy 2, root
It is adjusted according to the shape and material properties of drip molding；
Step 5: punch-pin 5 moves down, the low-melting alloy 2 of 3 lower regions of plank is made to be deformed with plank 3；
Step 6: punch-pin 5 is lifted up, drip molding is taken out.
The low-melting alloy 2 melted described in step 4 injects in 4 cavity of punch-pin ring, later, heats cavity plate 1 and punch-pin respectively
Low-melting alloy 2 to set temperature in ring 4 is formed.
The cavity plate 1 is different with the heating temperature of the low-melting alloy 2 in punch-pin ring 4.
The thermoforming process includes forming initial stage and forming later stage, at forming initial stage, the heating of low-melting alloy 2
Temperature is relatively low or does not heat, and to improve the resistance of deformation of low-melting alloy 2, inhibits locally to mould caused by 3 forming initial stage of plank
Property unstability；Phase after forming reduces the resistance of deformation of low-melting alloy 2 by promoting temperature, increases the mobility of alloy, directly
To the patch mould completely of plank 3.
Technique effect：It can effectively inhibit rising when sheet material forming without the wrinkle resistant shaping dies of surplus using low-melting alloy
Wrinkle phenomenon achievees the effect that sheet material forming is processed without surplus, greatly improves utilization rate of raw materials, and reduce repairing for drip molding profile
Whole work.The flow behavior of low-melting alloy is controlled by adjusting the heating temperature of low-melting-point alloy die, change and is controlled
Flanging effect can be applied to the sheet material forming of different shape and size, and low-melting alloy can be reused, can not
With complicated flange fixing installation, saves design and make, install, the debugging required a large amount of man power and materials of flange fixing installation.
Description of the drawings
Fig. 1 is cavity plate schematic diagram；
Fig. 2 is that cavity plate pours into a mould low-melting alloy schematic diagram；
Fig. 3 is to place by forming plate schematic diagram；
Fig. 4 is to place punch-pin ring schematic diagram；
Fig. 5 is that punch-pin ring pours into a mould low-melting alloy schematic diagram；
Fig. 6 is forming process schematic diagram；
Fig. 7 is that forming terminates schematic diagram, and plank is bonded completely with punch-pin and cavity plate.
In figure：1-cavity plate, 2-low-melting alloys, 3-planks, 4-punch-pin rings, 5-punch-pin.
Specific implementation mode
Illustrated embodiment further illustrates the particular content and the course of work of the utility model below in conjunction with the accompanying drawings.
The purpose of this utility model is to provide a kind of thin plates using low-melting alloy without the wrinkle resistant shaping dies of surplus.It is anti-
The shaping dies that wrinkles uses low-melting alloy as wrinkle resistant forming medium.In Sheet Metal Forming, low melting point is closed when punch-pin pushes
Gold generates respective flow, and low-melting alloy is close to plank upper and lower surface in flow process, while plank shape face generates continuously
Variation.The low-melting alloy of punch and matrix tool keeps full forming contact area and applies forming pressure to plank to give plate with plate
Material normal direction and tangential force effect, prevent plank from occurring plastic instability and wrinkling in forming process.In Sheet Metal Forming
Formation zone and area's two parts to be formed can be divided into, formation zone is that plank contacts the region being plastically deformed with punch-pin, and waits for into
Shape area is then the region of the elastic bending deflection other than plastically deforming area, and with the increase of Forming depth, formation zone gradually increases,
Area to be formed is gradually reduced, and transformation of the area to be formed to formation zone is consecutive variations, until entire sheet fabrication is completed, is used
The wrinkle resistant shaping dies can realize forming mode of the plank without process allowance.It is wrinkle resistant without surplus using the thin plate of low-melting alloy
Shaping dies can effectively inhibit wrinkling when sheet material forming, achieve the effect that sheet material forming is processed without surplus, carry significantly
High utilization rate of raw materials, and reduce the profile modifications work of drip molding.
Fig. 1 is cavity plate schematic diagram；
Fig. 2 is that low-melting alloy schematic diagram is poured into a mould in concave die cavity, and the low-melting alloy of fusing is injected to the cavity of cavity plate
It is interior, the injection thickness of low-melting alloy can be adjusted according to the shape and material properties of plank；
Fig. 3 is to place the plate schematic diagram shaped, is put by forming plate after low-melting alloy cooling；
Fig. 4 is to place punch-pin ring schematic diagram, and punch-pin ring is placed on die top, is connected by locating flange and cavity plate
It connects；
Fig. 5 is that the ring-like intracavitary of punch-pin pours into a mould low-melting alloy schematic diagram, and the low-melting alloy of fusing is injected punch-pin ring
In cavity, the injection thickness of low-melting alloy can be adjusted according to the shape and material properties of drip molding；
Fig. 6 is forming process schematic diagram, should adjust forming pressure and mobile work according to the thickness of plate before sheet material forming
Make the movement speed of platform.From figure it is observed that drip molding can be divided into formation zone and area's two parts to be formed, formation zone be by
The region that nearly punch-pin is plastically deformed, and it is to be formed, it is the region being resiliently deflected in addition to formation zone, area to be formed
Transformation to formation zone is continuous, and is gradually increased with the increase formation zone range of Forming depth, until sheet forming process
Terminate；
Fig. 7 is that forming terminates schematic diagram, and after punch-pin and cavity plate molding, the low-melting alloy between mold is along in punch-pin ring
The tangential direction on surface flows out, and plank is bonded with mold, and forming process terminates, and punch-pin is lifted up, and takes out drip molding.
The plank using low-melting alloy is exemplified below without the forming process of the wrinkle resistant shaping dies of surplus.
Thickness, forming pressure and the forming of die made with lowmelting point alloy are adjusted according to the shape of shaped sheet and material parameter first
Speed.Low-melting alloy is heated to molten state, is injected in concave die cavity, the injection thickness of low-melting alloy can basis
The shape and material properties of drip molding are adjusted.It is put by forming plate after low-melting alloy cooling, punch-pin ring is placed
It is attached by locating flange on cavity plate, then injects the low-melting alloy of fusing in punch-pin ring, low-melting alloy
Thickness is injected, can be adjusted according to the shape and material properties of drip molding.Punch-pin is moved downward in punch-pin ring, makes plank
The low-melting alloy of lower regions is deformed with plank.Gradually increase with the increase formation zone range of Forming depth, waits for into
Shape area continuously changes to formation zone, until sheet forming process terminates.During punch-pin is depressed, between punch-die
Along the tangential outflow of punch-pin ring inner surface, plank is bonded low-melting alloy with mold, and forming process terminates.
Since its physical characteristic changes low-melting alloy in a heated state, so when material and the thickness hair of plank
When changing, can meet the needs of plank wrinkle resistant forming by heating low-melting alloy.The cavity plate of wrinkle resistant shaping dies with
Heating mechanism is set in punch-pin ring, and thermoforming step is：By in the low-melting alloy injection concave die cavity of fusing, low melting point is closed
The injection thickness of gold, can be adjusted according to the shape and material properties of drip molding；After low-melting alloy cooling, quilt is placed
Shaped sheet；Punch-pin ring is placed, the low-melting alloy of fusing is injected in the cavity of punch-pin ring, the injection of low-melting alloy is thick
Degree, can be adjusted according to the shape and material properties of drip molding；The low-melting alloy in cavity plate and punch-pin ring is heated respectively
To set temperature；Punch-pin moves down, and the low-melting alloy of plank lower regions is made to be deformed with plank.
Claims (3)
1. a kind of thin plate using low-melting alloy is without the wrinkle resistant shaping dies of surplus, which is characterized in that use low-melting alloy (2)
As wrinkle resistant forming medium, in shaping low-melting alloy (2) remain with plank (3) achieving full-area contact, provide continuous
Pressure-pad-force；Described without the wrinkle resistant shaping dies of surplus includes cavity plate (1), low-melting alloy (2), punch-pin ring (4), punch-pin (5),
The punch-pin ring (4) is attached with cavity plate (1) by locating flange, and the low-melting alloy (2) of fusing is injected separately into cavity plate
(1) and in the cavity of punch-pin ring (4).
2. a kind of thin plate using low-melting alloy as described in claim 1 is without the wrinkle resistant shaping dies of surplus, which is characterized in that
The punch-pin (5) and cavity plate (1) digitizes mold using flexible multi-point.
3. a kind of thin plate using low-melting alloy as claimed in claim 1 or 2 is without the wrinkle resistant shaping dies of surplus, feature exists
In, heating mechanism is set in the cavity plate (1) and punch-pin ring (4), it is low in heating cavity plate (1) and punch-pin ring (4) respectively
Melting alloy (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721715187.9U CN207642138U (en) | 2017-12-11 | 2017-12-11 | Using the thin plate of low-melting alloy without the wrinkle resistant shaping dies of surplus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721715187.9U CN207642138U (en) | 2017-12-11 | 2017-12-11 | Using the thin plate of low-melting alloy without the wrinkle resistant shaping dies of surplus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207642138U true CN207642138U (en) | 2018-07-24 |
Family
ID=62880373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721715187.9U Withdrawn - After Issue CN207642138U (en) | 2017-12-11 | 2017-12-11 | Using the thin plate of low-melting alloy without the wrinkle resistant shaping dies of surplus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207642138U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108043964A (en) * | 2017-12-11 | 2018-05-18 | 吉林大学 | Using the thin plate of low-melting alloy without the wrinkle resistant shaping dies of surplus and manufacturing process |
| CN110962498A (en) * | 2018-09-28 | 2020-04-07 | 台山亚银机械制造有限公司 | Jade misplug processing technology |
| CN110962499A (en) * | 2018-09-28 | 2020-04-07 | 台山亚银机械制造有限公司 | Jade slab gilding processing technology |
| CN113319202A (en) * | 2021-08-03 | 2021-08-31 | 宁波市沃瑞斯机械科技有限公司 | Special-shaped piece phase change composite forming heating device |
-
2017
- 2017-12-11 CN CN201721715187.9U patent/CN207642138U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108043964A (en) * | 2017-12-11 | 2018-05-18 | 吉林大学 | Using the thin plate of low-melting alloy without the wrinkle resistant shaping dies of surplus and manufacturing process |
| CN108043964B (en) * | 2017-12-11 | 2019-09-20 | 吉林大学 | Using the thin plate of low-melting alloy without the wrinkle resistant shaping dies of surplus and manufacturing process |
| CN110962498A (en) * | 2018-09-28 | 2020-04-07 | 台山亚银机械制造有限公司 | Jade misplug processing technology |
| CN110962499A (en) * | 2018-09-28 | 2020-04-07 | 台山亚银机械制造有限公司 | Jade slab gilding processing technology |
| CN113319202A (en) * | 2021-08-03 | 2021-08-31 | 宁波市沃瑞斯机械科技有限公司 | Special-shaped piece phase change composite forming heating device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180724 Effective date of abandoning: 20190920 |
|
| AV01 | Patent right actively abandoned |