CN105386039A - Flattening device used for adjusting thickness of laser cladding preset powder layer - Google Patents
Flattening device used for adjusting thickness of laser cladding preset powder layer Download PDFInfo
- Publication number
- CN105386039A CN105386039A CN201510779296.6A CN201510779296A CN105386039A CN 105386039 A CN105386039 A CN 105386039A CN 201510779296 A CN201510779296 A CN 201510779296A CN 105386039 A CN105386039 A CN 105386039A
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- China
- Prior art keywords
- screw rod
- frame support
- base
- door frame
- threaded hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000000843 powder Substances 0.000 title claims abstract description 41
- 238000004372 laser cladding Methods 0.000 title abstract 3
- 238000003825 pressing Methods 0.000 claims abstract description 41
- 210000004907 gland Anatomy 0.000 claims description 22
- 239000011248 coating agent Substances 0.000 claims description 14
- 238000000576 coating method Methods 0.000 claims description 14
- 238000002844 melting Methods 0.000 claims description 12
- 230000008018 melting Effects 0.000 claims description 12
- 230000001105 regulatory effect Effects 0.000 claims description 10
- 238000013461 design Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 229910002114 biscuit porcelain Inorganic materials 0.000 description 4
- 239000011159 matrix material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 239000000956 alloy Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 230000001680 brushing effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 235000011837 pasties Nutrition 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000007712 rapid solidification Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C24/00—Coating starting from inorganic powder
- C23C24/08—Coating starting from inorganic powder by application of heat or pressure and heat
- C23C24/10—Coating starting from inorganic powder by application of heat or pressure and heat with intermediate formation of a liquid phase in the layer
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention relates to a flattening device used for adjusting the thickness of a laser cladding preset powder layer, and belongs to the field of tool clamp design. The flattening device used for adjusting the thickness of the laser cladding preset powder layer comprises a door-frame-shaped support. A threaded hole is formed in the center of a beam on the top of the door-frame-shaped support, scales are distributed with the circle center of the threaded hole as the center, and a ruler is arranged on a vertical plate on one side of the door-frame-shaped support. A base is arranged in the door-frame-shaped support, and the upper edge of the base is aligned with the lower edges of the scales. A pressing die connected with a screw with the top provided with marking scales is arranged in the part, above the base, of the door-frame-shaped support, and the top of the screw stretches out of the threaded hole of the door-frame-shaped support and fixes the pressing die in the door-frame-shaped support. The screw is rotated to drive the pressing die to vertically move along the door-frame-shaped support, and the distance between the pressing die and the base can be determined according to the marking scales and the position of the bottom end of the pressing die at the ruler. The flattening device has the characteristics of being small in size, easy to carry, capable of accurately adjusting the distance between the pressing die and the base and achieving the cold pressing effect, and the like.
Description
Technical field
The present invention relates to the design field of frock clamp/mould, particularly a kind of for regulating the pressuring flat device of the preset powder layer thickness of laser melting coating.
Background technology
Laser melting and coating technique utilizes high-energy-density laser beam to have different components, the alloy of performance and substrate surface rapid melting, forming the rapid solidification with base material with the alloy layer of complete different components and performance at substrate surface, is a kind of important Laser Surface Modification Technology.What this technology was commonly used is preset at specimen surface for powder side by the powder mixed, and mainly comprises directly preset, colds pressing preset, bonding preset, sprays the methods such as preset.Directly presetly can control preset powder layer thickness by prefabricated groove, but because of in powder containing more air, therefore easily form the impurity such as pore, nitride and oxide compound in coating; Colding pressing preset is, with pressing machine, powder is pressed into certain thickness sheet, can get rid of the most of gas in powder, improve coating quality, but the thickness of preset powder sheet affects by powder fluidity, often there is phenomenon in uneven thickness; Boning preset is modulated in the pasty state by powder with binding agent, and after matrix surface baking, carry out cladding in brushing, the existence of binding agent can affect the quality of coating, and pre-set thickness homogeneity is larger by brushing technique influence; Spraying preset needs, to carry out spraying at spraying machine preset, and cost is higher.
The paving powder craft of preset bisque is generally and spreads powder by hand, there is the homogeneity of paving powder thickness, and consistence is difficult to the shortcoming ensured.Specimen surface flattens with oil press by being mostly of current employing, but the method often adopts special mechanical means, and the pressure simultaneously produced is comparatively large, and sample and powder can be made to produce very large deflection.
Summary of the invention
The object of the invention is to for the problems referred to above, providing a kind of for regulating the pressuring flat device of the preset powder layer thickness of laser melting coating, have volume little, be easy to carry about with one and can the features such as effect of colding pressing be reached.
The object of the present invention is achieved like this:
For regulating a pressuring flat device for the preset powder layer thickness of laser melting coating, it is characterized in that, comprising a frame support, base, pressing mold and screw rod;
The center of the top cross-bar of described door frame support has threaded hole, 20 scale markss centered by the threaded hole center of circle are carved with around threaded hole, the riser of both sides has symmetry and the relative vertical chute of opening, wherein adjacent with vertical chute on the riser of a side side is carved with the graduated scale of minimum scale 1mm and overall length 20mm;
Described floor installation is in door frame support, and the bottom surface of base flushes with the bottom surface of door frame support, and upper plane is alignd with the bottom of graduated scale;
Described pressing mold comprises counterdie and covers the gland on counterdie, and the top center of described gland has the through hole that can pass for screw rod, and described counterdie protrudes out the slide block of a pair symmetry from the outside level of its sidewall;
The bottom of described screw rod is provided with the pressure head that diameter is greater than through-hole diameter on gland, and mark groove is carved with at its top, and the outside screw on screw rod and the internal thread of threaded hole match;
A pair slide block on described counterdie embeds in the vertical chute of door frame support, the pressure head of screw rod is placed on counterdie, by gland and covering of counterdie, screw rod is fixed on counterdie, screw rod stretches out successively in the threaded hole of the through hole of gland and door frame support, is fixed on by pressing mold in the door frame support above base; Screw rod is moved up and down by the rotation in threaded hole, and then drives pressing mold to move up and down along the vertical chute of door frame support.
Wherein, screw rod is fixed on after on counterdie by described gland, retains the gap of 0.1mm between the pressure head of screw rod and gland.
Wherein, the part that described screw rod stretches out threaded hole is equipped with rotary handle, and the sidewall of described base is equipped with fixed handle, makes the sample pressurized between pressing mold and base by rotary handle, fixed handle and screw rod.
Wherein, this pressuring flat device by the relative position of graduated scale around the mark groove and the threaded hole that change screw tip, and in conjunction with the distance between the graduated scale adjustment pressing mold on doorframe shape rack side plate and base.
Wherein, described base protrudes out the contiguous block of a pair symmetry from its sidewall, and described a pair contiguous block correspondence embeds in a pair vertical chute of door frame support, and is connected by screw and door frame support.
Beneficial effect of the present invention is:
1) spread powder thickness can in this device design maximum thickness continuously adjustabe, it is even lower that precision can reach 0.1mm, contribute to analyzing paving powder thickness with load of colding pressing, cold pressing the time, and then and the parameter such as laser radiation power, speed between relation, realize the optimization to paving powder thickness.
2) this device can slide on body material paving powder face at limit bisque of colding pressing, and avoids it to skid off pressure zone along the direction parallel with paving powder face, improves the homogeneity of cold pressing powder layer thickness and density.
3) this device is applicable to all kinds of geomeries within the scope of various base diameter, does not change the precision of paving powder simultaneously.
4) this apparatus structure is simple, easy handling, and suitability is strong, easy maintenance, is particularly applicable to the technical study experiment in laboratory.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 be in the present invention door frame support face part sectioned view.
Fig. 3 is the side cutaway view of door frame support in the present invention.
Fig. 4 be in the present invention base overlook part sectioned view.
Fig. 5 is the side-view of base in the present invention.
Fig. 6 is the elevation cross-sectional view of pressing mold in the present invention.
Fig. 7 is the vertical view of pressing mold in the present invention.
Embodiment
Below in conjunction with specific embodiments and the drawings, set forth the present invention further.
As shown in Figure 1, a kind of for regulating the pressuring flat device of the preset powder layer thickness of laser melting coating, comprise a frame support 1, base 2, pressing mold 3 and screw rod 4.
As shown in Figures 2 and 3, the center of the top cross-bar of door frame support 1 has threaded hole 11, is carved with 20 radial scale markss 13 centered by threaded hole 11 center of circle around threaded hole 11.The riser of door frame support 1 both sides has symmetry and the relative vertical chute 12 of opening, minimum scale 1mm is carved with and the graduated scale 14 of overall length 20mm in wherein adjacent with vertical chute 12 on the riser of a side side.
As shown in Figure 6 and Figure 7, base 2 protrudes out the contiguous block 21 of a pair symmetry from its sidewall, and described a pair contiguous block 21 correspondence embeds in a pair vertical chute 12 of door frame support 1, and is connected by screw and door frame support 1.Base 2 is arranged on after in a frame support 1, and its bottom surface flushes with the bottom surface of door frame support 1, and upper plane is alignd with the bottom of graduated scale 14.
As shown in Figure 4 and Figure 5, pressing mold 3 comprises counterdie 31 and covers the gland 32 on counterdie 31, and the top center of described gland 32 has the through hole 321 that can pass for screw rod 4, and described counterdie 31 protrudes out the slide block 311 of a pair symmetry from the outside level of its sidewall.The bottom of screw rod 4 is provided with the pressure head 41 that diameter is greater than through hole 321 diameter on gland 32, and mark groove 42 is carved with at its top, and the internal thread of the outside screw on screw rod 4 and threaded hole 11 matches.
A pair slide block 311 on counterdie 31 embeds in the vertical chute 12 of door frame support 1, the pressure head 41 of screw rod 4 is placed on counterdie 31, by gland 32 and covering of counterdie 31, screw rod 4 is fixed on counterdie 31, screw rod 4 stretches out successively in the through hole 321 of gland 32 and the threaded hole 11 of door frame support 1, is fixed on by pressing mold 3 in the door frame support 1 above base 2.Screw rod 4 is moved up and down by the rotation in threaded hole 11, and then drives pressing mold 3 to move up and down along the vertical chute 12 of door frame support 1.The mark groove 42 of this device by change screw rod 4 top and the relative position of threaded hole 11 surrounding graduated scale 13, and regulate the distance between pressing mold 3 and base 2 in conjunction with the graduated scale 42 on door frame support 1 side plate.
In order to make the pressure head of screw rod 4 can rotate freely in pressing mold, at gland 32, screw rod 4 being fixed on after on counterdie 31, between the pressure head 41 of screw rod 4 and gland 32, retaining the gap of 0.1mm.
For convenience of exerting pressure to sample, the part that this device stretches out threaded hole 11 at screw rod 4 is equipped with rotary handle 5, and the sidewall of base 2 is equipped with fixed handle 6, makes the sample pressurized between pressing mold and base by rotary handle 5, fixed handle 6 and screw rod 4.
Before this device uses, by rotary screw 4 pressing mold 4 adjusted to the apical position in a frame support 1.
During use, at the preset bisque of matrix specimen surface, matrix sample, a little more than the thickness required, is then placed on base 2 by powder layer thickness, and is fixed by base by fixed handle 6; Then, by rotary handle 5 rotating screw bolt 4, pressing mold 3 is moved down, by observing the position of the graduated scale 14 of door frame support 1 riser side and the mark groove 42 at screw rod 4 top, make pressing mold 3 drop to specified location by specimen surface compacting, the smooth bisque of required thickness can be obtained.
In this device, the precision of paving powder thickness is determined by the pitch of screw rod 4.And the control spreading powder thickness realizes by screw rod 4 being rotated suitable angle, paving powder thickness continuously adjustabe within maximum ga(u)ge.Paving powder maximum ga(u)ge depends on the height of top cross-bar and the thickness of matrix sample in length of thread on screw rod 4, door frame support 1.
In this device, around the threaded hole at door frame support 1 top, 360 ° are provided with 20 scale markss 13, the mark groove 42 at such screw rod 4 top often rotates a unit scales, pressing mold then moves 0.05mm, according to the relative position of the scale marks 13 on the mark groove 42 at screw rod 4 top and door frame support 1 top cross-bar, then the distance between counterdie 31 and base 2 can be estimated in conjunction with the graduated scale 14 of door frame support 1 riser side.
Here, then with at diameter 50mm, on the disc-shaped sample of thickness 10mm, pre-set thickness is the metal-powder of 1 ± 0.1mm is example, is described further the use of this device.First sample is placed on base 2, by rotary handle 5 rotary screw 4, makes the upper surface of the counterdie contact sample in pressing mold 3, record the relative position of the scale marks 13 in mark groove 42 and door frame support 1 top cross-bar.Then, contra rotating screw 4, after making mark groove 42 rotate two weeks, takes off sample, and be applied to specimen surface after being mixed by powder, sample at about 1.5mm, and is placed on base 2 by its gauge control again.Then, rotary screw 4 again, sense of rotation is with first, two scale units that scale marks 13 after mark groove 42 is rotated a circle again in revolving door frame support 1 top cross-bar marks, 0.1mm gap is left between the pressure head 41 bottom consideration screw rod 4 and gland 32, after static drying, contra rotating screw 4 raises pressure head 41, can obtain the smooth powder bed of thickness 1 ± 0.1mm.
Claims (5)
1. for regulating a pressuring flat device for the preset powder layer thickness of laser melting coating, it is characterized in that, comprising a frame support (1), base (2), pressing mold (3) and screw rod (4);
The center of the top cross-bar of described door frame support (1) has threaded hole (11), threaded hole (11) is carved with 20 scale markss (13) centered by threaded hole (11) center of circle around, the riser of both sides has symmetry and the relative vertical chute (12) of opening, minimum scale 1mm is carved with and the graduated scale of overall length 20mm (14) in wherein adjacent with vertical chute (12) on the riser of a side side;
Described base (2) is arranged in a frame support (1), and the bottom surface of base (2) flushes with the bottom surface of door frame support (1), and upper plane is alignd with the bottom of graduated scale (14);
Described pressing mold (3) comprises counterdie (31) and covers the gland (32) on counterdie (31), the top center of described gland (32) has the through hole (321) that screw rod (4) can be supplied to pass, and described counterdie (31) protrudes out the slide block (311) of a pair symmetry from the outside level of its sidewall;
The bottom of described screw rod (4) is provided with diameter and is greater than the pressure head (41) that gland (32) goes up through hole (321) diameter, mark groove (42) is carved with at its top, and the internal thread of the outside screw on screw rod (4) and threaded hole (11) matches;
A pair slide block (311) on described counterdie (31) embeds in the vertical chute (12) of door frame support (1), the pressure head (41) of screw rod (4) is placed on counterdie (31), by gland (32) and covering of counterdie (31), screw rod (4) is fixed on counterdie (31), screw rod (4) stretches out successively in the threaded hole (11) of the through hole of gland (32) (321) and door frame support (1), is fixed on by pressing mold (3) in the door frame support (1) of base (2) top; Screw rod (4) is moved up and down by the rotation in threaded hole (11), and then drives pressing mold (3) to move up and down along the vertical chute (12) of door frame support (1).
2. according to claim 1 a kind of for regulating the pressuring flat device of the preset powder layer thickness of laser melting coating, it is characterized in that, screw rod (4) is fixed on after on counterdie (31) by described gland (32), retains the gap of 0.1mm between the pressure head (41) of screw rod (4) and gland (32).
3. according to claim 1 a kind of for regulating the pressuring flat device of the preset powder layer thickness of laser melting coating, it is characterized in that, the part that described screw rod (4) stretches out threaded hole (11) is equipped with rotary handle (5), the sidewall of described base (2) is equipped with fixed handle (6), makes the sample pressurized between pressing mold and base by rotary handle (5), fixed handle (6) and screw rod (4).
4. according to claim 1 a kind of for regulating the pressuring flat device of the preset powder layer thickness of laser melting coating, it is characterized in that, this pressuring flat device by the relative position of the mark groove (42) and the threaded hole (11) that change screw rod (4) top around graduated scale (13), and regulates the distance between pressing mold (3) and base (2) in conjunction with the graduated scale (42) on door frame support (1) side plate.
5. according to claim 1 a kind of for regulating the pressuring flat device of the preset powder layer thickness of laser melting coating, it is characterized in that, described base (2) protrudes out the contiguous block (21) of a pair symmetry from its sidewall, described a pair contiguous block (21) correspondence embeds in a pair vertical chute (12) of door frame support (1), and is connected by screw and door frame support (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510779296.6A CN105386039B (en) | 2015-11-13 | 2015-11-13 | A kind of pressuring flat device for being used to adjust the preset powder layer thickness of laser melting coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510779296.6A CN105386039B (en) | 2015-11-13 | 2015-11-13 | A kind of pressuring flat device for being used to adjust the preset powder layer thickness of laser melting coating |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105386039A true CN105386039A (en) | 2016-03-09 |
| CN105386039B CN105386039B (en) | 2017-12-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510779296.6A Expired - Fee Related CN105386039B (en) | 2015-11-13 | 2015-11-13 | A kind of pressuring flat device for being used to adjust the preset powder layer thickness of laser melting coating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105386039B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019214429A1 (en) * | 2018-05-10 | 2019-11-14 | 福建工程学院 | Laser cladding nanopowder heating assisted pressing device and method |
| CN114011664A (en) * | 2021-11-03 | 2022-02-08 | 华北电力大学 | Slurry coating device for preparing composite material coating by laser |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2012166487A (en) * | 2011-02-16 | 2012-09-06 | Brother Industries Ltd | Three-dimensional molding device |
| CN102712021A (en) * | 2010-02-12 | 2012-10-03 | 诺尔斯海德公司 | Modular extrusion die |
| CN102839371A (en) * | 2012-09-21 | 2012-12-26 | 上海工程技术大学 | Device for accurately controlling thickness of laser fused preset powder layer |
| CN103817845A (en) * | 2014-03-12 | 2014-05-28 | 山东大学 | Continuous forming device and technology for bipolar plate made of resin/graphite composite material |
| CN103911611A (en) * | 2014-02-27 | 2014-07-09 | 重庆大学 | Powder spreading apparatus for selective laser melting |
| CN104624442A (en) * | 2013-11-14 | 2015-05-20 | 中国科学院深圳先进技术研究院 | Plane leveling device |
-
2015
- 2015-11-13 CN CN201510779296.6A patent/CN105386039B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102712021A (en) * | 2010-02-12 | 2012-10-03 | 诺尔斯海德公司 | Modular extrusion die |
| JP2012166487A (en) * | 2011-02-16 | 2012-09-06 | Brother Industries Ltd | Three-dimensional molding device |
| CN102839371A (en) * | 2012-09-21 | 2012-12-26 | 上海工程技术大学 | Device for accurately controlling thickness of laser fused preset powder layer |
| CN104624442A (en) * | 2013-11-14 | 2015-05-20 | 中国科学院深圳先进技术研究院 | Plane leveling device |
| CN103911611A (en) * | 2014-02-27 | 2014-07-09 | 重庆大学 | Powder spreading apparatus for selective laser melting |
| CN103817845A (en) * | 2014-03-12 | 2014-05-28 | 山东大学 | Continuous forming device and technology for bipolar plate made of resin/graphite composite material |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019214429A1 (en) * | 2018-05-10 | 2019-11-14 | 福建工程学院 | Laser cladding nanopowder heating assisted pressing device and method |
| CN114011664A (en) * | 2021-11-03 | 2022-02-08 | 华北电力大学 | Slurry coating device for preparing composite material coating by laser |
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| Publication number | Publication date |
|---|---|
| CN105386039B (en) | 2017-12-01 |
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Granted publication date: 20171201 |