CN110756341A - Diamond nozzle of ultrahigh-pressure liquid jet and manufacturing method thereof - Google Patents
Diamond nozzle of ultrahigh-pressure liquid jet and manufacturing method thereof Download PDFInfo
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- CN110756341A CN110756341A CN201911208026.4A CN201911208026A CN110756341A CN 110756341 A CN110756341 A CN 110756341A CN 201911208026 A CN201911208026 A CN 201911208026A CN 110756341 A CN110756341 A CN 110756341A
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- 239000010432 diamond Substances 0.000 title claims abstract description 110
- 229910003460 diamond Inorganic materials 0.000 title claims abstract description 109
- 239000007788 liquid Substances 0.000 title claims abstract description 15
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 7
- 229910052751 metal Inorganic materials 0.000 claims abstract description 109
- 239000002184 metal Substances 0.000 claims abstract description 109
- 239000011858 nanopowder Substances 0.000 claims abstract description 38
- 210000004907 gland Anatomy 0.000 claims abstract description 15
- 238000005520 cutting process Methods 0.000 claims abstract description 8
- 230000000149 penetrating effect Effects 0.000 claims abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 24
- 238000000034 method Methods 0.000 claims description 10
- 238000005498 polishing Methods 0.000 claims description 9
- 238000005245 sintering Methods 0.000 claims description 6
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
- 239000007921 spray Substances 0.000 claims description 5
- 238000007514 turning Methods 0.000 claims description 5
- 238000011049 filling Methods 0.000 claims description 3
- 238000000227 grinding Methods 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- 239000002994 raw material Substances 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 239000012530 fluid Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 9
- 239000011162 core material Substances 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000002161 passivation Methods 0.000 abstract 1
- 239000010437 gem Substances 0.000 description 10
- 229910001751 gemstone Inorganic materials 0.000 description 10
- 238000010586 diagram Methods 0.000 description 5
- 238000004080 punching Methods 0.000 description 5
- 229910002114 biscuit porcelain Inorganic materials 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 206010066054 Dysmorphism Diseases 0.000 description 1
- 229910001315 Tool steel Inorganic materials 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 239000012736 aqueous medium Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000306 component Substances 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 239000010431 corundum Substances 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 239000002609 medium Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
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- 239000000243 solution Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
- B05B15/14—Arrangements for preventing or controlling structural damage to spraying apparatus or its outlets, e.g. for breaking at desired places; Arrangements for handling or replacing damaged parts
- B05B15/18—Arrangements for preventing or controlling structural damage to spraying apparatus or its outlets, e.g. for breaking at desired places; Arrangements for handling or replacing damaged parts for improving resistance to wear, e.g. inserts or coatings; for indicating wear; for handling or replacing worn parts
Landscapes
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
The invention relates to a nozzle technology, in particular to a diamond nozzle of ultrahigh pressure liquid jet and a manufacturing method thereof, wherein the diamond nozzle comprises a diamond sheet, a metal nano powder layer, a metal gland and a metal shell, the metal shell is provided with a built-in cavity, the cavity is filled with metal nano powder and forms the metal nano powder layer, the diamond sheet is arranged in the metal nano powder layer, the diamond sheet is arranged at the axis position in the cavity of the metal shell, is tightly wrapped by the metal nano powder and is integrated with the metal shell, the top of the metal shell is provided with an upper opening, the metal gland is provided with a lower opening, and the diamond sheet is internally provided with a nozzle through hole in a penetrating manner and communicated with the upper opening and the lower opening. This application adopts diamond as core material, and hardness and flow coefficient are high, install in fluidic device's cutting head and shower nozzle, and the efflux effect is better and can not produce the passivation that bursts apart and drill way in the use, and life is far beyond the nozzle of other materials.
Description
Technical Field
The invention relates to a nozzle technology, in particular to a diamond nozzle of ultrahigh pressure liquid jet and a manufacturing method thereof.
Background
The nozzle belongs to an energy conversion element, converts pressure energy of an aqueous medium into kinetic energy of a water jet, and then emits the kinetic energy of the water jet in a high-speed water jet mode, so that materials can be cleaned, crushed and cut. The high-pressure water jet has a wide range of pressure, and thus the nozzle has a wide variety of materials. The materials for manufacturing the nozzle on the market mainly comprise stainless steel, high-quality carbon steel, tool steel, hard alloy, ceramic, artificial gem, diamond and the like. The higher the pressure delivered by the pump, the higher the hardness required for material handling.
The most commonly used ultrahigh pressure nozzle material at present is an artificial gem sheet (corundum), and the hardness of the ultrahigh pressure nozzle material can reach 9 grades of Mohs. However, with market development in the field of pure water cutting and the popularization of 600MPa ultrahigh-pressure water jet, the requirement on the nozzle is higher and higher, and the nozzle has longer service life even though the water line is focused longer. In addition to a certain amount of fine solid particles, the general clear water also contains minerals which are not dissolved in water, such as calcium carbonate, manganese, iron, silicon dioxide and the like. The high-pressure water jet equipment is provided with a filtering and softening device, but the impurities cannot be completely removed, free metal fragments are also arranged in a high-pressure pipeline, and under the flushing of ultrahigh-pressure water, the edge of a jewel orifice can be slowly passivated and even broken, so that the quality of jet flow is reduced, and then the jewel cannot be used.
Disclosure of Invention
The present invention is directed to a diamond nozzle for ultra-high pressure liquid jet and a method for manufacturing the same, which solves the above problems.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides an ultrahigh pressure liquid fluidic diamond nozzle, includes diamond piece, metal nanometer bisque, metal gland and metal casing, metal casing is provided with built-in cavity, metal gland lid closes the bottom of fixing at built-in cavity, built-in cavity intussuseption is filled with metal nanometer powder and forms metal nanometer bisque, be provided with the diamond piece in the metal nanometer bisque, the setting of diamond piece is in metal casing's axis position and laminate with metal casing's built-in cavity inner wall, metal casing's top is provided with overhead opening, be provided with down the opening on the metal gland, wear to be equipped with the nozzle through-hole in the diamond piece, overhead open-ended bottom taper mouth, down open-ended top taper mouth and nozzle through-hole are linked together.
As a further scheme of the invention: the metal nanometer powder layer tightly wraps the diamond sheet and the metal shell is integrated.
As a further scheme of the invention: the diamond sheet is arranged on the central axis of the metal shell and completely wraps the inner cavity of the metal nano powder layer.
As a further scheme of the invention: the bottom of the upper opening extends to the metal nano powder layer. The top of the lower opening extends to the lower surface of the diamond sheet of the metal nano powder layer.
As a further scheme of the invention: the nozzle through hole is a linear straight hole, and the upper opening is communicated with the lower opening.
As a further scheme of the invention: the nozzle through hole is arranged to be a tapered hole below the upper straight hole, the top of the nozzle through hole is communicated with the upper opening through the straight hole, and the bottom of the nozzle through hole is communicated with the lower opening through the tapered hole.
The application also discloses a method for the diamond nozzle of the ultrahigh pressure liquid jet, which comprises the following steps:
the method comprises the following steps: the method is characterized in that a metal material is adopted, a cylindrical shape and a built-in cavity are machined by a lathe, and the external cylinder degree and the end face verticality are ensured to form a metal shell;
step two: cutting and polishing diamond raw materials into diamond sheets with uniform outer diameter and thickness, then placing the diamond sheets into the built-in cavity of the metal shell, and filling metal nano powder into the built-in cavity of the metal shell; according to different implementation structures, the depth of the diamond sheet wrapped by the metal nano powder in the built-in cavity is regulated and controlled;
step three: pressing a metal gland, and sintering at high temperature and high pressure to tightly wrap the diamond sheet by the metal nano powder and integrate the diamond sheet with the metal shell;
step four: the metal shell is finely turned into a cylindrical shape on a lathe, and tapered holes (or straight holes) on two end faces are deep into the surface of the diamond, so that the diamond can be conveniently punched in the next step;
step five: using laser to aim at the center of the diamond to punch different hole patterns and hole diameters;
step six: grinding and polishing the inner hole of the diamond to a specified aperture and roughness by using an ultrasonic wave and a wire polishing machine;
step seven: turning the whole metal shell with the polished diamond inner hole on a lathe to a size suitable for being filled with a water jet nozzle and a spray head to obtain a finished diamond product;
step eight: the prepared diamond nozzle can be assembled in various water jet nozzles for ultrahigh pressure injection.
Compared with the prior art, the invention has the beneficial effects that:
the metal is adopted as an external shell, the metal nano powder is used as a wrapping mechanism of a diamond sheet, the metal nano powder and the diamond sheet are integrated after high-temperature and high-pressure sintering, turning processing can be carried out on the external contour, and the metal nano powder is suitable for cutting heads and spray heads of various fluid devices.
Secondly, the diamond with the Mohs hardness of 10 grades is used as a core material to be made into a nozzle of the water jet. Compared with the traditional jewel nozzle, the service life of the jewel nozzle is prolonged by more than 10 times, the polished jewel nozzle has high flow coefficient and better jet effect.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application. Also, the drawings and the description are not intended to limit the scope of the present concepts in any way, but rather to illustrate the concepts of the present disclosure to those skilled in the art by reference to specific embodiments.
FIG. 1 is a front cross-sectional view of a diamond sintered body according to an embodiment of the present invention.
FIG. 2 is a front sectional view of a diamond after sintering according to an embodiment of the present invention
FIG. 3 is a top view of the diamond turned and punched structure.
Fig. 4 is a first schematic structural diagram of a machine tool after punching according to an embodiment.
Fig. 5 is a schematic structural diagram of a machine tool after punching according to an embodiment.
Fig. 6 is a first schematic structural diagram after two-saw punching according to the embodiment.
Fig. 7 is a first schematic structural diagram after two-saw punching according to the embodiment.
FIG. 8 is a first schematic view of the diamond product of the present invention.
FIG. 9 is a second schematic view of the diamond product of the present invention.
FIG. 10 is a third schematic view of the diamond product of the present invention.
FIG. 11 is a fourth schematic view of the diamond product of the present invention.
FIG. 12 is a fifth schematic view of the diamond product of the present invention.
FIG. 13 is a sixth schematic view of the diamond product of the present invention.
Fig. 14, 15 and 16 are schematic diagrams of diamond nozzles embedded with diamond finished products.
Fig. 17 is a schematic view of a water cutting head with a diamond mounted nozzle.
In the figure: 1-diamond sheet, 2-metal nano powder layer, 3-metal gland, 4-metal shell, 5-upper opening, 6-lower opening and 7-nozzle through hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, examples of which are shown in the drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements, unless otherwise indicated.
It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
referring to fig. 1, 3, 4 and 5, an ultra-high pressure liquid jet diamond nozzle includes a diamond sheet 1, a metal nano powder layer 2, a metal gland 3 and a metal shell 4, wherein the metal shell 4 is provided with a built-in cavity, the metal gland 3 is covered and fixed at the bottom of the built-in cavity, the built-in cavity is filled with metal nano powder and forms the metal nano powder layer 2, the diamond sheet 1 is arranged in the metal nano powder layer 2, the diamond sheet 1 is arranged at the central axis position of the metal shell 4 and is attached to the inner wall of the built-in cavity of the metal shell 4, the metal nano powder layer 2 tightly wraps the diamond sheet 1, and the metal shell 4 is integrated with the metal nano powder layer 2.
The top of metal casing 4 is provided with overhead opening 5, be provided with down-put opening 6 on the metal gland 3, wear to be equipped with nozzle through-hole 7 in the diamond piece 1, the bottom cone mouth of overhead opening 5, the top cone mouth and the nozzle through-hole 7 of down-put opening 6 are linked together.
The core component of the invention adopts natural diamond, artificial diamond or polycrystalline diamond material to make the nozzle for the ultrahigh pressure water jet, and can gather and cluster the pressure energy of the water medium and convert the pressure energy into the kinetic energy of the water jet so as to obtain the maximum jet impact force. Compared with nozzles made of other materials, the diamond has the highest hardness in the nature, can be polished to a higher roughness (14 levels), and the manufactured nozzle has good wear resistance, high flow coefficient and long service life and striking force reaching the height which cannot be compared with the prior art.
For the nozzle through hole 7 used for ultrahigh pressure injection, the nozzle is provided with two types of linear straight holes and taper through holes; the nozzle through hole 7 is a linear straight hole, and the upper opening 5 is communicated with the lower opening 6. The front ultrahigh pressure jet flow speed and the rear ultrahigh pressure jet flow speed have consistent water concentration and are longer.
The nozzle through hole 7 is a tapered hole below a straight hole on the upper surface, the top of the nozzle through hole 7 is communicated with the upper opening 5 through the straight hole, and the bottom of the nozzle through hole 7 is communicated with the lower opening 6 through the tapered hole. Thus, the thickness of the diamond straight hole is reduced, the specified size can be more easily formed by laser, and the acceleration time of ultrahigh pressure injection can be shortened due to the reduction of the height of the straight hole.
This application through-hole 7 is provided with round hole, sector hole, dysmorphism hole etc. is applicable to the demand of different use condition.
The two components are arranged according to different working occasions and working requirements.
Example two:
referring to fig. 2, fig. 3, fig. 6 and fig. 7, this embodiment is a further implementation structure of the embodiment, and on the basis of this embodiment, the diamond sheet 1 is disposed at the central axis position of the metal shell 4 and completely wraps the inner cavity of the metal nano-powder layer 2. The conical tip position at the bottom of the upper opening 5 extends to the inner cavity of the metal nano powder layer 2, and a conical opening is formed at the top of the metal nano powder layer 2. The diamond sheet 1 is not contacted with the metal shell 4 and completely wraps the inner cavity of the metal nano powder layer 2.
Preferably, referring to fig. 8-13, diamonds of different hole patterns and configurations are machined to suit different types of machining requirements.
For the diamond nozzle, a method of diamond nozzle with ultra-high pressure liquid jet is also disclosed, which is used to further clarify the content of the present application, and comprises the following steps:
the method comprises the following steps: the metal material is adopted, the cylindrical shape and the built-in cavity are processed by a lathe, and the data accuracy of the external cylindrical degree and the end face verticality is ensured, so that the metal shell 4 is formed;
step two: cutting and polishing diamond raw materials into diamond sheets 1 with uniform outer diameter and thickness, then placing the diamond sheets 1 into a built-in cavity of a metal shell 4, and filling metal nano powder into the built-in cavity of the metal shell 4; according to different implementation structures, the depth of the diamond sheet 1 wrapped by the metal nano powder in the built-in cavity is regulated and controlled;
step three: pressing a metal gland 3, and tightly wrapping the diamond sheet 1 by metal nano powder and integrating the diamond sheet with the metal shell 4 into a whole through high-temperature and high-pressure sintering; both fig. 1 and fig. 2 are feasible technical structures;
step four: the metal shell 4 is finely turned into a cylindrical shape on a lathe, and tapered holes (or straight holes) on two end faces are deep into the surface of the diamond, so that the diamond can be conveniently punched in the next step;
step five: aiming at the center of the diamond by laser, punching different hole types and hole diameters, as shown in figures 4-7, linear straight holes and tapered through holes are taken as representative embodiments in the application, but the process is not only suitable for the above embodiments, but also suitable for holes, fan-shaped holes, special-shaped holes and the like;
step six: grinding and polishing the inner hole of the diamond to a specified aperture and roughness by using an ultrasonic wave and a wire polishing machine;
step seven: turning the metal shell with the polished inner bore of the diamond on a lathe to the size suitable for being filled with a water jet nozzle and a spray head to obtain a finished diamond product, wherein the hole type and the drilling surface structure shown in the figures 8-13 are optional;
step eight: the ready-made diamond nozzles can be fitted into various water jet heads for ultra high pressure injection (fig. 14 to 17).
The diamond with Mohs hardness of 10 grade is used as a core material, and is made into a nozzle of water jet by the process. Compared with the traditional jewel nozzle, the service life of the jewel nozzle is prolonged by more than 10 times, the polished jewel nozzle has high flow coefficient and better jet effect.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. The diamond nozzle of the ultrahigh pressure liquid jet comprises a diamond sheet (1), a metal nano powder layer (2), a metal gland (3) and a metal shell (4), and is characterized in that the metal shell (4) is provided with a built-in cavity, the metal gland (3) is covered and fixed at an opening of the built-in cavity, metal nano powder is filled in the built-in cavity and forms the metal nano powder layer (2), the diamond sheet (1) is arranged in the metal nano powder layer (2), the diamond sheet (1) is arranged at the central axis position of the metal shell (4) and is parallel to the end face of the metal shell (4), the metal nano powder layer (2) tightly wraps the diamond sheet (1) and is integrated with the metal shell (4), the top of the metal shell (4) is provided with an upper opening (5), and the metal gland (3) is provided with a lower opening (6), the diamond sheet (1) is internally provided with a nozzle through hole (7) in a penetrating way, and the top of the lower opening (6) at the bottom of the upper opening (5) is communicated with the nozzle through hole (7). And turning the external contour of the metal shell (4) with the polished through hole (7) to a proper size.
2. Diamond nozzle of ultra high pressure liquid jet according to claim 1, characterized in that after high temperature and high pressure sintering, the metal nano powder layer (2) tightly wraps the diamond sheet (1) and is integrated with the metal shell (4).
3. Diamond nozzle for ultra high pressure liquid jet according to claim 2, characterized in that the diamond sheet (1) is arranged in the middle axis of the metal shell (4) parallel to the end face and completely wrapped in the inner cavity of the metal nano powder layer (2).
4. Diamond nozzle of an ultra-high pressure liquid jet according to claim 1, characterized in that the bottom of said overhead opening (5) extends to the upper surface of the diamond sheet (1) and the top of said lower opening (6) extends to the lower surface of the diamond sheet (1).
5. Diamond nozzle according to claim 1, characterized in that said nozzle through holes (7) are arranged as linear straight holes, said upper openings (5) being in communication with said lower openings (6).
6. Diamond nozzle according to claim 5, characterized in that said nozzle through holes (7) are arranged as straight upper holes and tapered lower holes, the top of said nozzle through holes (7) is connected to said upper opening (5) through straight holes, and the bottom of said nozzle through holes (7) is connected to said lower opening (6) through tapered through holes.
7. The ultra high pressure liquid jet diamond nozzle according to claim 6, wherein the metal shell (4) with the through hole (7) polished is turned to a suitable size for mounting in cutting heads and spray heads of various fluid equipments.
8. A method of making a diamond nozzle for an ultra-high pressure liquid jet as claimed in any one of claims 1 to 7, wherein: the method comprises the following steps:
the method comprises the following steps: the metal material is adopted, the cylindrical shape and the built-in cavity are processed by a lathe, and the outer cylinder degree and the end face verticality are ensured to form the metal shell (4);
step two: cutting and polishing diamond raw materials into diamond sheets (1) with uniform outer diameter and thickness, then placing the diamond sheets (1) into a built-in cavity of a metal shell (4), and filling metal nano powder into the built-in cavity of the metal shell (4); according to different implementation structures, the depth of the diamond sheet (1) wrapped by the metal nano powder in the built-in cavity is regulated and controlled;
step three: pressing a metal gland (3), and tightly wrapping the diamond sheet (1) by metal nano powder and integrating the diamond sheet with the metal shell (4) into a whole through high-temperature and high-pressure sintering;
step four: the metal shell (4) is finely turned into a cylindrical shape on a lathe, and tapered holes or straight holes on two end faces are deep into the surface of the diamond, so that the diamond can be conveniently punched in the next step;
step five: using laser to aim at the center of the diamond to punch different hole patterns and hole diameters;
step six: grinding and polishing the inner hole of the diamond to a specified aperture and roughness by using an ultrasonic wave and a wire polishing machine;
step seven: turning the outer contour of the metal shell with the polished diamond inner hole on a lathe to the size suitable for being filled with a water jet nozzle and a spray head to obtain a finished diamond product;
step eight: the prepared diamond nozzle can be assembled in various water jet nozzles for ultrahigh pressure injection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911208026.4A CN110756341A (en) | 2019-11-30 | 2019-11-30 | Diamond nozzle of ultrahigh-pressure liquid jet and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911208026.4A CN110756341A (en) | 2019-11-30 | 2019-11-30 | Diamond nozzle of ultrahigh-pressure liquid jet and manufacturing method thereof |
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| CN110756341A true CN110756341A (en) | 2020-02-07 |
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| CN201911208026.4A Pending CN110756341A (en) | 2019-11-30 | 2019-11-30 | Diamond nozzle of ultrahigh-pressure liquid jet and manufacturing method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114178065A (en) * | 2021-11-22 | 2022-03-15 | 拉思丁科技(深圳)有限公司 | High-pressure water jet gem nozzle |
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| CN101823236A (en) * | 2010-04-22 | 2010-09-08 | 江苏大学 | Collet of gem nozzle for ultrahigh-pressure water cutting |
| CN103862525A (en) * | 2012-12-17 | 2014-06-18 | 刘智 | Suspension liquid jet flow nozzle |
| CN106984913A (en) * | 2017-05-13 | 2017-07-28 | 深圳光韵达激光应用技术有限公司 | A kind of full laser preparation method of diamond cutter |
| CN109127170A (en) * | 2018-09-11 | 2019-01-04 | 洛阳誉芯金刚石有限公司 | A kind of diamond that high-precision is wear-resisting spray piece |
| CN209438914U (en) * | 2019-01-17 | 2019-09-27 | 安兴精密(深圳)有限公司 | A kind of dispensing nozzle |
| CN211865482U (en) * | 2019-11-30 | 2020-11-06 | 拉思丁科技(深圳)有限公司 | Diamond nozzle of ultrahigh pressure liquid jet |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114178065A (en) * | 2021-11-22 | 2022-03-15 | 拉思丁科技(深圳)有限公司 | High-pressure water jet gem nozzle |
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