CN114011664B - Slurry coating device for preparing composite material coating by laser - Google Patents
Slurry coating device for preparing composite material coating by laser Download PDFInfo
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- CN114011664B CN114011664B CN202111296825.9A CN202111296825A CN114011664B CN 114011664 B CN114011664 B CN 114011664B CN 202111296825 A CN202111296825 A CN 202111296825A CN 114011664 B CN114011664 B CN 114011664B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C13/00—Means for manipulating or holding work, e.g. for separate articles
- B05C13/02—Means for manipulating or holding work, e.g. for separate articles for particular articles
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The invention discloses a slurry coating device for preparing a composite material coating by laser, which relates to the technical field of experimental instruments and comprises a group of symmetrically arranged stainless steel plates, a stainless steel backing plate, a full-thread hexagon head bolt and a butterfly nut matched with the full-thread hexagon head bolt, wherein screw holes are formed in the corresponding positions of the two sides of the bottom of each stainless steel plate, the diameter of each screw hole is matched with the nominal diameter of the full-thread hexagon head bolt, when the stainless steel backing plate and a sample are clamped and fixed, the two stainless steel plates are fixedly connected through the full-thread hexagon head bolt, scale stripes are marked above the side surfaces of the two stainless steel plates, the inner sides of the two stainless steel plates are respectively provided with a bearing assembly, and the top of each stainless steel plate is provided with a pressing assembly; according to the invention, the bearing assembly and the pressing assembly are arranged on the two stainless steel plates, so that the stainless steel base plate and the sample which are placed in advance can be ensured to be horizontal without deflection, and the slurry can be ensured to be uniformly coated and compacted on the upper surface of the sample.
Description
Technical Field
The invention relates to the technical field of experimental instruments, in particular to a slurry coating device for preparing a composite material coating by laser.
Background
Laser is a new surface modification technique. The method is characterized in that a cladding material is added on the surface of a base material, and the cladding material and a thin layer on the surface of the base material are fused together by utilizing a laser beam with high energy density, so that a cladding layer which is metallurgically bonded with the base layer is formed on the surface of the base layer. The preset laser cladding is to place a preselected coating material on the surface of a cladding matrix in advance, melt a thin layer of the coating material on the surface of the matrix simultaneously through laser irradiation, and form a surface coating which has extremely low dilution and is metallurgically combined with the matrix material after rapid solidification, thereby obviously changing the surface performance of a base material, improving the wear resistance, corrosion resistance and hardness of the base material and further achieving the purpose of repairing or manufacturing workpieces.
Patent document CN202020140200.8 discloses a slurry coating device for laser preparation of composite materials, which mainly comprises the following technical characteristics: the metal full-thread hexagon head bolt, the stainless steel backing plate, the 304 stainless steel plate and the butterfly nut; the stainless steel butterfly nut is matched with the metal full-thread hexagon head bolt; the length of the 304 stainless steel plate is 150 mm, the width is 10 mm, the height is 15 mm, scales are marked above the side surface of the stainless steel plate, and the minimum unit is 0.5 mm; wherein the height of the stainless steel backing plate comprises two sizes of 0.5 mm and 1 mm, and the length and the width are equal to those of the 304 stainless steel plate; two ends of each 304 stainless steel plate are respectively provided with two screw holes, and the diameters of the screw holes are matched with the nominal diameter of the metal full-thread hexagon head bolt;
the device is when placing thick liquids coating to the sample, can be according to sample width horizontal adjustment corrosion resistant plate and metal full thread hexagon head bolt to select the backing plate of corresponding height according to required cladding layer thickness and place in the sample bottom, make sample precoating face and anchor clamps upper surface form and preset the required thickness of coating, after the scale further survey of side top of corrosion resistant plate presets the thickness of coating, press from both sides sample and backing plate between two corrosion resistant plate, rotate butterfly nut and adopt threaded connection's mode fixed sample of being coated. And then uniformly coating the prepared slurry on the surface of a sample, continuously compacting the slurry by using a scraper in the coating process until the surface of the slurry is flush with the upper surface of the clamp, and finally putting the treated test piece into a drying box.
The device has the advantages that: the structure is simple and portable, the preset coating thickness can be conveniently controlled while a sample is fixed, and an effective way for conveniently fixing the sample and controlling the preset coating thickness can be provided for the process of preparing the composite material by laser.
However, when the device is used, particularly when the stainless steel base plate and the sample are clamped and fixed, the device adopts manual placement by an operator, so that when the stainless steel base plate and the sample are placed by the operator to be inclined or not abutted in place, the thickness value required by the preset coating formed on the pre-coating surface of the sample and the upper surface of the clamp is misaligned, and a large error exists between the actual value and the required value; moreover, even when the operator regulates the above operation standard, the operator continuously compacts the slurry with the scraper until the slurry surface is flush with the upper surface of the clamp in the coating process, and finally, the operator observes and grasps the overall flatness of the slurry on the sample surface, obviously, the method also has difficulty in ensuring that the slurry on the sample surface can be uniformly distributed, so that the slurry is difficult to be uniformly coated on the sample surface due to the non-regulated operation and the artificial observation error of the operator in the use process of the device, and the coating thickness is difficult to be matched with the required value.
Disclosure of Invention
The invention provides a slurry coating device for preparing a composite material coating by laser, which can ensure that a stainless steel base plate and a sample which are placed in advance are horizontal and do not skew, can ensure that slurry is uniformly coated and compacted on the upper surface of the sample, and solves the technical problems in the related technology.
According to one aspect of the invention, the slurry coating device for preparing the composite material coating by laser comprises a group of symmetrically arranged stainless steel plates, a stainless steel backing plate, a full-thread hexagon head bolt and a butterfly nut matched with the full-thread hexagon head bolt, wherein screw holes are formed in corresponding positions on two sides of the bottom of each stainless steel plate, the diameter of each screw hole is matched with the nominal diameter of the full-thread hexagon head bolt, when the stainless steel backing plate and a sample are clamped and fixed, the two stainless steel plates are fixedly connected through the full-thread hexagon head bolt, scale stripes are marked above the side faces of the two stainless steel plates, bearing assemblies used for bearing the stainless steel backing plate and the sample are respectively arranged on the inner sides of the two stainless steel plates, and pressing assemblies used for pressing the stainless steel backing plate and the sample are installed at the tops of the two stainless steel plates.
As an embodiment of the invention, the bearing component is at least one rectangular strip plate welded at one end of the inner sides of two stainless steel plates.
As an embodiment of the invention, the other end of the inner side of the stainless steel plate is provided with at least one rectangular slot matched with the rectangular strip plate.
As an embodiment of the invention, the front and back positions of the rectangular strip plate and the rectangular slot at the inner side of the two stainless steel plates are opposite.
As an embodiment of the invention, the pressing-down assembly consists of a lifting screw pressing piece, a sliding sleeve assembly and the bearing rod pieces of the lifting screw pressing piece and the sliding sleeve assembly, wherein the lifting screw pressing piece is slidably mounted on the bearing rod pieces through the sliding sleeve assembly, and the bearing rod pieces are fixedly mounted on the tops of the two stainless steel plates.
As an embodiment of the present invention, the load-bearing rod member is composed of a set of L-shaped vertical plates and a set of transverse rectangular sliding rods, the two L-shaped vertical plates are respectively welded on the top surfaces of the outer sides of the two stainless steel plates, one end of each of the two transverse rectangular sliding rods is respectively welded on the inner side surface of one of the L-shaped vertical plates, and the other end of each of the two transverse rectangular sliding rods transversely penetrates through the other L-shaped vertical plate;
the sliding sleeve assembly consists of a group of rectangular sliding sleeves sleeved on the two transverse rectangular sliding rods, a connecting block welded between the two rectangular sliding sleeves and a group of tightening knobs in threaded connection with the outer sides of the two rectangular sliding sleeves;
the lifting screw pressing piece comprises a screw rod, the screw rod longitudinally penetrates through the connecting block and is in threaded connection with the connecting block, a detachable pressing block is mounted at the bottom end of the screw rod through a rotating piece, and a turntable is welded at the top end of the screw rod.
As an embodiment of the present invention, the pressing block is a rectangular block.
In one embodiment of the present invention, the pressing block has a long side equal to a long side of the stainless steel plate.
The invention has the beneficial effects that:
according to the invention, the bearing assemblies are respectively arranged on the inner sides of the two stainless steel plates, so that when personnel place the stainless steel base plate and the sample on the inner sides of the two stainless steel plates, the bearing assemblies can bear the stainless steel base plate and the sample to ensure that the stainless steel base plate and the sample are wholly in a horizontal state when placed, the situation that the stainless steel base plate and the sample are inclined or not abutted in place is avoided, and the accuracy of the thickness value required by the preset coating formed on the pre-coating surface of the sample and the upper surface of the clamp is ensured.
According to the invention, the pressing assemblies are arranged on the tops of the two stainless steel plates, and in the process of compacting the slurry on the upper surface of the sample, the turntable of the pressing assemblies of the device can drive the screw rod to rotate, the rotating screw rod can drive the pressing block to move downwards, and then the downward pressing block can compact the slurry coating on the surface of the sample until the upper surface of the slurry coating is flush with the upper surface of the stainless steel plate.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present invention;
FIG. 2 is a schematic view of a stainless steel plate according to an embodiment of the present invention;
FIG. 3 is a side view of a stainless steel plate according to an embodiment of the present invention;
FIG. 4 is a second side view of a stainless steel plate according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a pressing block according to an embodiment of the present invention.
Fig. 6 is a schematic view showing the operation of the slurry application apparatus according to the embodiment of the present invention.
In the figure: 1. a stainless steel plate; 2. a rectangular slat; 3. a butterfly nut; 4. a full thread hexagon head bolt; 5. a stainless steel backing plate; 6. scale stripes; 7. a rectangular sliding sleeve; 8. a turntable; 9. a screw rod; 10. tightening the knob; 11. a transverse rectangular slide bar; 12. a pressing block; 13. an L-shaped vertical plate; 14. connecting blocks; 15. a rectangular slot; 16. a screw hole; 17. a rotating member; 18. coating the slurry; 19. and (4) sampling.
Detailed Description
The present application will now be described in further detail with reference to the drawings, it should be noted that the following detailed description is given for illustrative purposes only and is not to be construed as limiting the scope of the present application, as those skilled in the art will be able to make numerous insubstantial modifications and adaptations to the present application based on the above disclosure.
The embodiment provides a slurry coating device for preparing a composite material coating by laser, and as shown in fig. 1, the slurry coating device comprises a group of stainless steel plates 1 which are symmetrically arranged, a stainless steel backing plate 5, a full-thread hexagon head bolt 4 and a butterfly nut 3 matched with the full-thread hexagon head bolt 4, wherein screw holes 16 are formed in the corresponding positions of the two sides of the bottom of each stainless steel plate 1, the diameter of each screw hole 16 is matched with the nominal diameter of the full-thread hexagon head bolt 4, when the stainless steel backing plate 5 and a sample 19 are clamped and fixed, the two stainless steel plates 1 are fixedly connected through the full-thread hexagon head bolt 4, scale stripes 6 are marked above the side surfaces of the two stainless steel plates 1, bearing assemblies used for bearing the stainless steel backing plate 5 and the sample 19 are respectively arranged on the inner sides of the two stainless steel plates 1, and a pressing assembly used for pressing the stainless steel backing plate 5 and the sample 19 is installed at the top of the two stainless steel plates 1.
As an embodiment of the invention, the bearing component is at least one rectangular strip plate 2 welded at one end of the inner sides of two stainless steel plates 1. The rectangular strips 2 at the inner sides of the two stainless steel plates 1 are symmetrically arranged, so that the stainless steel base plates 5 and the test samples 19 can be supported before clamping and fixing.
As an embodiment of the invention, the other end of the inner side of the stainless steel plate 1 is provided with at least one rectangular slot 15 matched with the rectangular ribbon board 2.
As an embodiment of the invention, the front and back positions of the rectangular strip plate 2 and the rectangular slot 15 on the inner side of the two stainless steel plates 1 are opposite. The front and back positions of the rectangular strip plates 2 and the rectangular slots 15 on the inner sides of the two stainless steel plates 1 are opposite, so that the rectangular strip plates 2 and the rectangular slots 15 of the two symmetrical stainless steel plates 1 can be inserted and butted when the two stainless steel plates 1 are inserted, and the stainless steel base plate 5 and the test sample 19 can be clamped and fixed.
As an embodiment of the invention, the pressing assembly consists of a lifting screw pressing member, a sliding sleeve assembly and the bearing rod members of the two, the lifting screw pressing member is slidably mounted on the bearing rod members through the sliding sleeve assembly, and the bearing rod members are fixedly mounted on the tops of the two stainless steel plates 1.
As an embodiment of the invention, the bearing rod member is composed of a group of L-shaped vertical plates 13 and a group of transverse rectangular sliding rods 11, the two L-shaped vertical plates 13 are respectively welded on the top surfaces of the outer sides of the two stainless steel plates 1, one ends of the two transverse rectangular sliding rods 11 are respectively welded on the inner side surface of one L-shaped vertical plate 13, and the other ends of the two transverse rectangular sliding rods 11 transversely penetrate through the other L-shaped vertical plate 13;
the sliding sleeve assembly consists of a group of rectangular sliding sleeves 7 sleeved on the two transverse rectangular sliding rods 11, a connecting block 14 welded between the two rectangular sliding sleeves 7 and a group of tightening knobs 10 in threaded connection with the outer sides of the two rectangular sliding sleeves 7; a group of rectangular sliding sleeves 7 of the sliding sleeve assembly can slide outside the two rectangular sliding sleeves 7 of the bearing rod piece, so that the transverse position of the lifting screw pressing piece can be conveniently adjusted and fixed.
The lifting screw pressing part comprises a screw rod 9, the screw rod 9 longitudinally penetrates through the connecting block 14 and is in threaded connection with the connecting block, a detachable pressing block 12 is mounted at the bottom end of the screw rod 9 through a rotating piece 17, and a turntable 8 is welded at the top end of the screw rod 9. When the prepared slurry is uniformly coated on the surface of the sample 19 and the slurry coating 18 coated on the surface of the sample 19 is pressed, a person can rotate the turntable 8 at the top end of the screw rod 9 to drive the screw rod 9 to rotate so as to drive the pressing block 12 to move downwards, and then the pressing block 12 after moving downwards can compact the slurry coating 18 on the surface of the sample until the upper surface of the slurry coating 18 is flush with the upper surface of the stainless steel plate 1.
As an embodiment of the present invention, the pressing block 12 is a rectangular block.
It should be noted that, because the pressing block 12 is a regular block, in the process of pressing the slurry coating 18 on the upper surface of the sample 19 downward by the pressing block 12, it can be ensured that the slurry pressing force of the slurry coating 18 at each position on the upper surface of the sample 19 is balanced, so that the slurry can be well and uniformly dispersed on the upper surface of the sample 19 under the action of the pressing force, and further, the slurry coating 18 is uniformly distributed at each position on the upper surface of the sample 19.
In one embodiment of the present invention, the pressing block 12 has a long side equal to that of the stainless steel plate 1. The long edge of the pressing block 12 is equal to the long edge of the stainless steel plate 1, so that the pressing block 12 can be guaranteed to transversely slide to perform dead-angle-free pressing on the slurry on the long edge of the upper surface of the sample 19 in the process of pressing the slurry in different areas.
In the description of the present invention, it is to be understood that the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise explicitly stated or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being permanently connected, detachably connected, or integral; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "above," and "over" a second feature may be directly on or obliquely above the second feature, or simply mean that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the terminology used in the description presented above should not be understood as necessarily referring to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are exemplary and not to be construed as limiting the present invention, and that changes, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.
Claims (4)
1. The slurry coating device for preparing the composite material coating by laser comprises a group of symmetrically arranged stainless steel plates (1), a stainless steel backing plate (5), a full-thread hexagon head bolt (4) and a butterfly nut (3) matched with the full-thread hexagon head bolt (4), wherein screw holes (16) are formed in the two corresponding sides of the bottom of each stainless steel plate (1), the diameter of each screw hole (16) is matched with the nominal diameter of the full-thread hexagon head bolt (4), when the stainless steel backing plate (5) and a sample are clamped and fixed, the two stainless steel plates (1) are fixedly connected through the full-thread hexagon head bolt (4), and scale stripes (6) are marked above the side surfaces of the two stainless steel plates (1), and the slurry coating device is characterized in that bearing assemblies for bearing the stainless steel backing plate (5) and the sample are respectively arranged on the inner sides of the two stainless steel plates (1), and pressing assemblies for pressing the stainless steel backing plate (5) and the sample are arranged at the tops of the two stainless steel plates (1);
the bearing component is at least one rectangular lath (2) welded at one end of the inner sides of the two stainless steel plates (1);
the other end of the inner side of the stainless steel plate (1) is provided with at least one rectangular slot (15) matched with the rectangular ribbon board (2);
the lower pressing assembly consists of a lifting screw pressing piece, a sliding sleeve assembly and bearing rod pieces of the lifting screw pressing piece and the sliding sleeve assembly, the lifting screw pressing piece is slidably mounted on the bearing rod pieces through the sliding sleeve assembly, and the bearing rod pieces are fixedly mounted at the tops of the two stainless steel plates (1);
the bearing rod piece comprises a group of L-shaped vertical plates (13) and a group of transverse rectangular sliding rods (11), the two L-shaped vertical plates (13) are respectively welded on the top surfaces of the outer sides of the two stainless steel plates (1), one ends of the two transverse rectangular sliding rods (11) are respectively welded on the inner side surface of one L-shaped vertical plate (13), and the other ends of the two transverse rectangular sliding rods (11) transversely penetrate through the other L-shaped vertical plate (13);
the sliding sleeve assembly consists of a group of rectangular sliding sleeves (7) sleeved on the two transverse rectangular sliding rods (11), a connecting block (14) welded between the two rectangular sliding sleeves (7), and a group of tightening knobs (10) in threaded connection with the outer sides of the two rectangular sliding sleeves (7);
the lifting screw pressing piece comprises a screw rod (9), the screw rod (9) longitudinally penetrates through the connecting block (14) and is in threaded connection with the connecting block, a detachable pressing block (12) is installed at the bottom end of the screw rod (9) through a rotating piece (17), and a turntable (8) is welded at the top end of the screw rod (9).
2. The apparatus for applying a paste for laser-producing composite coatings according to claim 1, characterized in that the rectangular strips (2) and the rectangular slots (15) on the inside of the two stainless steel plates (1) are located in opposite positions.
3. The device according to claim 1, characterized in that the pressing block (12) is embodied as a rectangular block.
4. The device according to claim 1, characterized in that the pressing block (12) has a long side equal to the long side of the stainless steel plate (1).
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| CN202111296825.9A CN114011664B (en) | 2021-11-03 | 2021-11-03 | Slurry coating device for preparing composite material coating by laser |
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| CN202111296825.9A CN114011664B (en) | 2021-11-03 | 2021-11-03 | Slurry coating device for preparing composite material coating by laser |
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| CN114011664B true CN114011664B (en) | 2023-02-03 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202898543U (en) * | 2012-09-21 | 2013-04-24 | 上海工程技术大学 | Device used for precisely controlling thickness of laser fused pre-arranged powder layer |
| CN108359974A (en) * | 2018-03-19 | 2018-08-03 | 安徽工程大学 | A kind of powder thickness control methods of the preset powder laser melting coating of flat panel workpieces |
| CN213051325U (en) * | 2020-07-15 | 2021-04-27 | 硕投（武汉）高分子技术有限公司 | A knife coating device for coating uniform thickness dope layer |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103521400B (en) * | 2013-10-24 | 2015-12-02 | 福建农林大学 | A kind of laser cladding sample preset coating fixture |
| EA201790906A1 (en) * | 2014-10-24 | 2017-11-30 | Лэйзербонд Лимитед | METHOD AND DEVICE FOR PLACING PRODUCT SURFACE |
| CN105386039B (en) * | 2015-11-13 | 2017-12-01 | 上海工程技术大学 | A kind of pressuring flat device for being used to adjust the preset powder layer thickness of laser melting coating |
| CN105568278B (en) * | 2016-03-01 | 2017-12-01 | 江苏大学 | Method and device of the automatic tabletting with placing pressed powder in laser cladding process |
| CN211522320U (en) * | 2020-01-22 | 2020-09-18 | 山东建筑大学 | Slurry coating device for preparing composite material by laser |
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- 2021-11-03 CN CN202111296825.9A patent/CN114011664B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202898543U (en) * | 2012-09-21 | 2013-04-24 | 上海工程技术大学 | Device used for precisely controlling thickness of laser fused pre-arranged powder layer |
| CN108359974A (en) * | 2018-03-19 | 2018-08-03 | 安徽工程大学 | A kind of powder thickness control methods of the preset powder laser melting coating of flat panel workpieces |
| CN213051325U (en) * | 2020-07-15 | 2021-04-27 | 硕投（武汉）高分子技术有限公司 | A knife coating device for coating uniform thickness dope layer |
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