CN205966995U - Device in adj. tabular metal surface preparation synusia form gradient structure - Google Patents
Device in adj. tabular metal surface preparation synusia form gradient structure Download PDFInfo
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- CN205966995U CN205966995U CN201620746037.3U CN201620746037U CN205966995U CN 205966995 U CN205966995 U CN 205966995U CN 201620746037 U CN201620746037 U CN 201620746037U CN 205966995 U CN205966995 U CN 205966995U
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- cradle
- clamping ring
- metal material
- tungsten
- mounting seat
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Abstract
The utility model provides a device in adj. Tabular metal surface preparation synusia form gradient structure, including fixture and roll rolling machine. The device provided by the utility model simple structure, simple operation, technology are stable, can prepare out microscopic morphology for the structure of synusia form nanocrystal on adj. Tabular metal material surface, make the metal material top layer demonstrate the characteristic of nanocrystal, sub -micron crystalline grain, micron crystalline grain, original coarse grain piece stratiform graded distribution in proper order to material inside orientation, have effectively improved metal material's intensity and hardness in the plasticity that keeps metal material and toughness.
Description
Technical field
The utility model belongs to technical field of metal material surface treatment, and more particularly, to one kind is in the preparation of plate-shape metal surface
The device of lamellar gradient-structure.
Background technology
Preparing lamellar gradient nano structure in metal surface is a kind of metal material method of modifying, is through to metal watch
Face is processed is distributed, in metal material surface, the gradient nano structure that one layer of Microstructure characteristics are lamellar grain morphology, this
Plant the intensity that method of modifying can significantly improve metal material, and the original plasticity of metal material can be kept simultaneously not produce significantly
Reduce, realize the perfect matching of Strength of Metallic Materials and plasticity.
The method preparing gradient nano structure in metal surface at present mainly includes leading to crystal grain based on severe plastic deformation
The method of refinement and the method based on mechanical lapping or high-speed shot blasting impact.Wherein, severe plastic deformation leads to crystal grain refinement
Method generally comprise high pressure and torsion, etc. channel pressings and Roll-bonding, although this kind of method can notable crystal grain thinning,
Improve the intensity of metal material, but there is also obvious limitation：First, this kind of method is due to by severe plastic deformation process
Dislocations are accumulated and the dynamic equilibrium buried in oblivion, and the refinement of crystal grain has critical value, and the critical dimension of common metal crystal grain refinement is big
About in 200nm, intensity is about in 1000MPa it is impossible to realize the raising further of intensity；Secondly, the sub-micro that such method obtains
The brilliant material of rice is relatively low due to mobile dislocation density, and the uniform plastic of sample is very low.Based on mechanical lapping or high-speed shot blasting impact
Method be the continuous accumulation being strained by surface plasticity, thus preparing gradient nano structure in metal material surface, comprehensive
The plasticity of the intensity of gradient nano structure and center portion coarse grain material is it is achieved that the perfect matching of intensity and plasticity, but such side
Method preparation nano material crystal grain be etc. shaft-like, at aspects such as heat endurance hardness all not as lamellar gradient nano structure.
Utility model content
In order to solve above-mentioned technical problem, the utility model provides one kind to prepare lamellar gradient knot on plate-shape metal surface
The device of structure, including fixture and rolling compaction device, described fixture includes base plate, and the side of described base plate is provided with fixing device,
The opposite side of described base plate is provided with clamping column；Described rolling compaction device includes the ball support that mounting seat is connected with described mounting seat
With the tungsten-cobalt alloy ball in ball support, described ball support include the cradle being connected with described mounting seat and with described cradle
The clamping ring connecting, described cradle inwall gradually draws in from connecting the side of clamping ring, and the inwall of described clamping ring is from even
The side connecing cradle is risen and is gradually drawn in, and described clamping ring is less than described tungsten-cobalt alloy ball away from the inner diameter of cradle one end
Diameter, described clamping ring away from cradle one end to described cradle little away from the distance between described clamping ring one end inwall
Diameter in described tungsten-cobalt alloy ball.
Further, described fixing device is vacuum cup.
Further, described fixture is additionally provided with the vavuum pump being connected with described vacuum cup, improves the suction of vacuum cup
Attached ability.
Further, described clamping column is provided with anti-slip veins, improves clamping effect.
Further, described rolling compaction device is additionally provided with sprayer unit, can be in metal during rolling compaction
Part sprays oiliness cooling agent with tungsten-cobalt alloy ball contact surface, plays cooling and the effect improving rolling compaction process.
Further, it is threaded connection between described mounting seat and described ball support, can easily exchange the tungsten of different size
Cobalt alloy ball is to meet the metalwork surface of processing unlike material.
The apparatus structure that the utility model provides is simple, simple operation, process stabilizing, can be on plate-shaped metal material surface
Prepare the structure that microscopic appearance is lamellar nanocrystal, make metal material top layer assume cashier successively to material internal direction
Rice crystal grain, sub-micron grain, micron grain, the feature of original coarse grain sheet gradient distribution, are keeping moulding of metal material
Intensity and the hardness of metal material is effectively increased while property and toughness.
Brief description
Fig. 1 is the structural representation of the fixture of the utility model embodiment 1；
Fig. 2 is the structural representation of the rolling compaction device of the utility model embodiment 1；
Fig. 3 is the sectional view of the rolling compaction device of the utility model embodiment 1；
Fig. 4 is the structural representation of the fixture of the utility model embodiment 2；
Fig. 5 is the structural representation of the rolling compaction device of the utility model embodiment 3；
Wherein：1 fixture, 2 rolling compaction devices, 3 base plates, 4 fixing devices, 5 clamping columns, 6 mounting seats, 7 ball supports, 8 tungsten-cobalts
Alloying pellet, 701 cradles, 702 clamping rings, 9 vacuum cups, 10 anti-slip veins, 11 sprayer units.
Specific embodiment
Embodiment 1
A kind of method preparing lamellar gradient-structure on plate-shape metal surface, as Figure 1-3, including fixture 1 and rolling
Dynamic rolling device 2, described fixture 1 includes base plate 3, and the side of described base plate 3 is provided with fixing device 4, the opposite side of described base plate 3
It is provided with clamping column 5；Described rolling compaction device 2 includes ball support 7 that mounting seat 6 is connected with described mounting seat 6 and is located at ball support 7
Interior tungsten-cobalt alloy ball 8, described ball support 7 include the cradle 701 being connected with described mounting seat 6 and with described cradle 701
The clamping ring 702 connecting, described cradle 701 inwall gradually draws in from connecting the side of clamping ring 702, described clamping ring
702 inwall gradually draws in from connecting the side of cradle 701, and described clamping ring 702 is away from the inwall of cradle 701 one end
Diameter is less than the diameter of described tungsten-cobalt alloy ball 8, and described clamping ring 702 is remote to described cradle 701 away from cradle 701 one end
It is less than the diameter of described tungsten-cobalt alloy ball 8 from the distance between described clamping ring 702 one end inwall.
When lamellar gradient-structure is prepared on plate-shaped piece of metal surface, first plate-shaped piece of metal is placed on the base plate 3 of fixture 1
On, fixing using fixing device 4, then fixture 1 is installed to the three of numerically controlled lathe and grabs on chuck, simultaneously will be with tungsten-cobalt alloy
The rolling compaction device 2 of ball 8 is fixedly mounted on the carriage saddle of numerically controlled lathe；Tungsten-cobalt alloy ball 8 is made to be directed at plate-shaped piece of metal one
The center of side surface, adjustment tungsten-cobalt alloy ball 8 and plate-shaped piece of metal distance between the surface, make tungsten-cobalt alloy ball 8 and plate-shaped piece of metal
Plane tangent；Start numerically controlled lathe, make fixture 1 drive plate-shaped piece of metal rotation, tungsten-cobalt alloy ball 8 is pressed in plate-shaped piece of metal
Certain depth, then along described plate-shaped piece of metal centre of surface to the rectilinear direction rolling compaction at edge, can be according to metal material
The difference of matter adjusts compression distance and the rolling compaction number of times of tungsten-cobalt alloy ball 8；Repeat above-mentioned rolling compaction process up to tabular
One side surface of metalwork is all processed；As needed the opposite side of machining plate-like metalwork, then by the plate-shaped piece of metal on fixture 1
It is processed by above-mentioned operation after exchanging direction.
Embodiment 2
A kind of method preparing lamellar gradient-structure on plate-shape metal surface, as shown in figure 4, described fixing device 4 is
Vacuum cup 9, described fixture 1 is additionally provided with the vavuum pump being connected with described vacuum cup 9, and described clamping column 5 is provided with anti-skidding
Line 10.
Embodiment 3
A kind of method preparing lamellar gradient-structure on plate-shape metal surface, as shown in figure 5, different from embodiment 13
It is：Sprayer unit 11 is additionally provided with described rolling compaction device 2, is threaded connection between described mounting seat 6 and described ball support 7.
Finally it should be noted that above example is only in order to illustrate the technical solution of the utility model and unrestricted, although
With reference to preferred embodiment, the utility model is described in detail, it will be understood by those within the art that, can be right
The technical solution of the utility model is modified or equivalent, the spirit without deviating from technical solutions of the utility model and model
Enclose, it all should be covered in the middle of right of the present utility model.
Claims (6)
1. a kind of device preparing lamellar gradient-structure on plate-shape metal surface, including fixture (1) and rolling compaction device
(2) it is characterised in that：Described fixture (1) includes base plate (3), and the side of described base plate (3) is provided with fixing device (4), described bottom
The opposite side of plate (3) is provided with clamping column (5)；Described rolling compaction device (2) includes mounting seat (6) and described mounting seat (6) connects
The ball support (7) connecing and the tungsten-cobalt alloy ball (8) being located in ball support (7), described ball support (7) includes being connected with described mounting seat (6)
Cradle (701) and the clamping ring (702) being connected with described cradle (701), described cradle (701) inwall is from connection
The side of clamping ring (702) is risen and is gradually drawn in, the inwall of described clamping ring (702) from connecting the side of cradle (701) by
Taper, described clamping ring (702) is less than the straight of described tungsten-cobalt alloy ball (8) away from the inner diameter of cradle (701) one end
Footpath, described clamping ring (702) is away from cradle (701) one end to described cradle (701) away from described clamping ring (702) one end
The distance between inwall is less than the diameter of described tungsten-cobalt alloy ball (8).
2. device according to claim 1 it is characterised in that：Described fixing device (4) is vacuum cup (9).
3. device according to claim 2 it is characterised in that：It is additionally provided with and described vacuum cup (9) on described fixture (1)
The vavuum pump connecting.
4. device according to claim 1 it is characterised in that：Described clamping column (5) is provided with anti-slip veins (10).
5. device according to claim 1 it is characterised in that：It is additionally provided with sprayer unit on described rolling compaction device (2)
(11).
6. device according to claim 1 it is characterised in that：Pass through spiral shell between described mounting seat (6) and described ball support (7)
Line connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620746037.3U CN205966995U (en) | 2016-07-14 | 2016-07-14 | Device in adj. tabular metal surface preparation synusia form gradient structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620746037.3U CN205966995U (en) | 2016-07-14 | 2016-07-14 | Device in adj. tabular metal surface preparation synusia form gradient structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205966995U true CN205966995U (en) | 2017-02-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620746037.3U Expired - Fee Related CN205966995U (en) | 2016-07-14 | 2016-07-14 | Device in adj. tabular metal surface preparation synusia form gradient structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205966995U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114406600A (en) * | 2021-11-26 | 2022-04-29 | 中国科学院金属研究所 | Method for preparing metal plate with gradient nano structure |
-
2016
- 2016-07-14 CN CN201620746037.3U patent/CN205966995U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114406600A (en) * | 2021-11-26 | 2022-04-29 | 中国科学院金属研究所 | Method for preparing metal plate with gradient nano structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170222 Termination date: 20180714 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |