CN209257491U - A kind of high rigidity carboloy nozzle for 3D printing - Google Patents
A kind of high rigidity carboloy nozzle for 3D printing Download PDFInfo
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- CN209257491U CN209257491U CN201821659148.6U CN201821659148U CN209257491U CN 209257491 U CN209257491 U CN 209257491U CN 201821659148 U CN201821659148 U CN 201821659148U CN 209257491 U CN209257491 U CN 209257491U
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- nozzle
- hole
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- nozzle body
- carboloy
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Abstract
The utility model discloses a kind of high rigidity carboloy nozzles for 3D printing, including nozzle body, the outer wall of the position of the nozzle body upper end is enclosed with annular fastening block, the outer wall of the lower end of the nozzle body is equipped with external screw thread, feed opening is offered in the middle part of the nozzle body bottom, discharge hole is offered in the middle part of the top of the nozzle body, lower end inside the nozzle body offers first material through-hole, the lower end of the first material through-hole is connected to feed opening, the upper end of the first material through-hole is communicated with second material through-hole, the upper end of the second material through-hole is connected to discharge hole, inner wall of the first material through-hole close to feed opening one end is equipped with the first strainer, inner wall of the second material through-hole close to discharge hole one end is equipped with the second strainer, the utility model relates to carboloy nozzle technology necks Domain.This is used for the high rigidity carboloy nozzle for 3D printing, has achieved the purpose that nozzle hardness height, nozzle anti-blocking plug, the material that ensure that nozzle sprays are uniform.
Description
Technical field
The utility model relates to carboloy nozzle technical field, specially a kind of high rigidity hard for 3D printing is closed
Golden nozzle.
Background technique
Carboloy nozzle is process with precision machinery and cemented carbide material (superhard alloy).Nozzle is exactly one
It is a to be designed to control its direction or special gas flowing (spy when object enters (or going out) closed chamber or pipeline
Do not increase speed) mouth equipment.Carboloy nozzle is formed by the hot pressed sintering of hot straight hole and mound hole.It is hard due to it
Degree, low-density and excellent wear-resistant and anticorrosive, carboloy nozzle is widely used to sandblasting and shot blasting equipment, ensure that
Product uses for a long time in optimal air and abrasive material.
The existing high rigidity carboloy nozzle for 3D printing is stainless steel, brass material, in print procedure,
Nozzle bore is easy to wear or blocks, moreover, it is unstable to work at high temperature, the precision of printing is not also high.Existing 3D printing nozzle
Abrasion back aperture is rougher, and the material of ejection is uneven, so as to cause printing failure.
Utility model content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the utility model provides a kind of high rigidity hard alloy spray for 3D printing
Mouth solves the problems, such as that nozzle bore is easy to wear, nozzle is susceptible to plugging.
(2) technical solution
In order to achieve the above object, the utility model is achieved by the following technical programs: a kind of height for 3D printing
The outer wall of hardness carboloy nozzle, including nozzle body, the position of the nozzle body upper end is uniformly enclosed with annular fastening
The inner wall of block, the annular fastening block is fixedly connected with the outer wall of nozzle body, and the outer wall of the lower end of the nozzle body is uniform
It is provided with external screw thread, the position in the middle part of the bottom of the nozzle body outer wall offers feed opening, the nozzle body outer wall
The position of top middle portion offers discharge hole, and the lower end inside the nozzle body offers first material through-hole, and described first
The lower end of material through hole is connected to feed opening, and the upper end of the first material through-hole is communicated with second material through-hole, and described second
The upper end of material through hole is connected to discharge hole, and the inner wall of the one end of the first material through-hole close to feed opening is provided with the first filter
The left and right ends of net, first strainer are fixedly connected with the inner wall of first material through-hole, and the second material through-hole is close
The inner wall of one end of discharge hole is provided with the second strainer, inner wall of the left and right ends of second strainer with second material through-hole
It is fixedly connected.
Preferably, the nozzle body is made up using tungsten carbide powder and cobalt powder of the method for powder metallurgy.
Preferably, the section of the nozzle body upper end is in isosceles trapezoid shape.
Preferably, the outer wall of the position in the middle part of the nozzle body is uniformly enclosed with annular shoulder block, the annular shoulder block
Inner wall is fixedly connected with the outer wall of nozzle body.
Preferably, the center line of the feed opening and the center line of discharge hole are located along the same line.
Preferably, the section of the second material through-hole is tapered.
A kind of production method of the high rigidity carboloy nozzle for 3D printing, comprising the following steps:
S1, appropriate tungsten carbide powder and cobalt powder are chosen, by the method for powder metallurgy forming, manufactures green compact；
The shape of nozzle is partly processed into after S2, green compact molding with numerically controlled lathe, by forming semi-finished product after high temperature sintering；
S3, by the sintered inspection of semifinished product of S2 step it is qualified after carry out finished product processing again, grind external screw thread and fine grinding
Spray head part reaches required size.
(3) beneficial effect
The utility model provides a kind of high rigidity carboloy nozzle for 3D printing, have it is following the utility model has the advantages that
(1), the high rigidity carboloy nozzle for being used for 3D printing, nozzle body pass through powder using tungsten carbide powder and cobalt powder
The method of last metallurgy is made, and tungsten carbide powder and cobalt powder are rare metals, and the hardness of tungsten is close with diamond, is electric, heat good
Conductor, cobalt can guarantee that hard alloy has certain toughness as the binder in powder metallurgy, green compact first be made, after green compact molding
The shape of nozzle is partly processed into numerically controlled lathe again, by forming semi-finished product after high temperature sintering, semi-finished product are had reached after sintering
High rigidity, high-intensitive carboloy nozzle carry out product processing after the inspection of semifinished product is qualified again, grind external screw thread and fine grinding spray
Head point, reaches required size, is divided by the way of spot welding inside nozzle body and close to the position of feed opening and discharge hole
Be not welded with the first strainer and the second strainer, the material for spraying nozzle body more evenly, prevents spray nozzle clogging, strainer close into
Expect hole and discharge hole, facilitate and cleaned, the section of second material through-hole is tapered, and the material for spraying nozzle body is in fan
Shape, spray regime is wider, has achieved the purpose that nozzle hardness height, nozzle anti-blocking plug, the material that ensure that nozzle sprays are uniform.
Detailed description of the invention
Fig. 1 is the high rigidity carboloy nozzle structural schematic diagram for 3D printing of the utility model；
Fig. 2 is the high rigidity carboloy nozzle cross-sectional view for 3D printing of the utility model.
Fig. 3 is the high rigidity carboloy nozzle top view for 3D printing of the utility model.
Fig. 4 is the high rigidity carboloy nozzle bottom view for 3D printing of the utility model.
In figure: 1 nozzle body, 2 annular fastening blocks, 3 external screw threads, 4 feed openings, 5 discharge holes, 6 first material through-holes, 7 the
Two material through hole, 8 first strainers, 9 second strainers, 10 annular shoulder blocks.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-4 is please referred to, the utility model provides a kind of technical solution: a kind of high rigidity hard alloy for 3D printing
The outer wall of nozzle and preparation method thereof, including nozzle body 1, the position of 1 upper end of nozzle body is uniformly enclosed with annular fastening block
2, the inner wall of annular fastening block 2 is fixedly connected with the outer wall of nozzle body 1, and the outer wall of the lower end of nozzle body 1 is evenly arranged with
External screw thread 3, the position in the middle part of the bottom of 1 outer wall of nozzle body offer feed opening 4, the top middle portion of 1 outer wall of nozzle body
Position offers discharge hole 5, and the lower end inside nozzle body 1 offers first material through-hole 6, the lower end of first material through-hole 6
Be connected to feed opening 4, the upper end of first material through-hole 6 is communicated with second material through-hole 7, the upper end of second material through-hole 7 with go out
Expect that hole 5 is connected to, inner wall of the first material through-hole 6 close to one end of feed opening 4 is provided with the first strainer 8, the left and right of the first strainer 8
Both ends are fixedly connected with the inner wall of first material through-hole 6, and inner wall of the second material through-hole 7 close to one end of discharge hole 5 is arranged
There is the second strainer 9, the left and right ends of the second strainer 9 are fixedly connected with the inner wall of second material through-hole 7.
Nozzle body 1 is made up using tungsten carbide powder and cobalt powder of the method for powder metallurgy.
The section of 1 upper end of nozzle body is in isosceles trapezoid shape.
The outer wall of the position at 1 middle part of nozzle body is uniformly enclosed with annular shoulder block 10, the inner wall and nozzle of annular shoulder block 10
The outer wall of ontology 1 is fixedly connected.
The center line of feed opening 4 and the center line of discharge hole 5 are located along the same line.
The section of second material through-hole 7 is tapered.
A kind of production method of the high rigidity carboloy nozzle for 3D printing, comprising the following steps:
S1, appropriate tungsten carbide powder and cobalt powder are chosen, by the method for powder metallurgy forming, manufactures green compact；
The shape of nozzle is partly processed into after S2, green compact molding with numerically controlled lathe, by forming semi-finished product after high temperature sintering；
S3, by the sintered inspection of semifinished product of S2 step it is qualified after carry out finished product processing again, grind external screw thread and fine grinding
Spray head part reaches required size.
In use, nozzle body 1 is made up using tungsten carbide powder and cobalt powder of the method for powder metallurgy, tungsten carbide powder and cobalt
Powder is rare metal, and the hardness of tungsten is close with diamond, and for electricity, the good conductor of heat, cobalt is as the binder in powder metallurgy
It can guarantee that hard alloy has certain toughness, first make green compact, be partly processed into the shape of nozzle after green compact molding with numerically controlled lathe again
Shape, by forming semi-finished product after high temperature sintering, semi-finished product have reached high rigidity, high-intensitive carboloy nozzle after sintering,
Product processing is carried out again after the inspection of semifinished product is qualified, is ground external screw thread 3 and fine grinding spray head part, is reached required size, in nozzle
The first strainer 8 and second is respectively welded by the way of spot welding inside ontology 1 and close to the position of feed opening 4 and discharge hole 5
Strainer 9, the material for spraying nozzle body 1 more evenly, prevent spray nozzle clogging, and strainer is convenient close to feed opening 4 and discharge hole 5
It is cleaned, the section of second material through-hole 7 is tapered, and the material for spraying nozzle body 1 is fan-shaped, and spray regime is wider.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions.By sentence " element limited including one ..., it is not excluded that
There is also other identical elements in the process, method, article or apparatus that includes the element ".
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of high rigidity carboloy nozzle for 3D printing, including nozzle body (1), it is characterised in that: the nozzle
The outer wall of the position of ontology (1) upper end is uniformly enclosed with annular fastening block (2), the inner wall and nozzle of the annular fastening block (2)
The outer wall of ontology (1) is fixedly connected, and the outer wall of the lower end of the nozzle body (1) is evenly arranged with external screw thread (3), the nozzle
Position in the middle part of the bottom of ontology (1) outer wall offers feed opening (4), the position of the top middle portion of nozzle body (1) outer wall
It sets and offers discharge hole (5), the internal lower end of the nozzle body (1) offers first material through-hole (6), the first material
The lower end of through-hole (6) is connected to feed opening (4), and the upper end of the first material through-hole (6) is communicated with second material through-hole (7),
The upper end of the second material through-hole (7) is connected to discharge hole (5), and the one of the first material through-hole (6) close feed opening (4)
The inner wall at end is provided with the first strainer (8), inner wall of the left and right ends of first strainer (8) with first material through-hole (6)
It being fixedly connected, the inner wall of one end of the second material through-hole (7) close to discharge hole (5) is provided with the second strainer (9), and described the
The left and right ends of two strainers (9) are fixedly connected with the inner wall of second material through-hole (7).
2. a kind of high rigidity carboloy nozzle for 3D printing according to claim 1, it is characterised in that: the nozzle
The section of ontology (1) upper end is in isosceles trapezoid shape.
3. a kind of high rigidity carboloy nozzle for 3D printing according to claim 1, it is characterised in that: the nozzle
The outer wall of position in the middle part of ontology (1) is uniformly enclosed with annular shoulder block (10), the inner wall and nozzle sheet of the annular shoulder block (10)
The outer wall of body (1) is fixedly connected.
4. a kind of high rigidity carboloy nozzle for 3D printing according to claim 1, it is characterised in that: the charging
The center line in hole (4) and the center line of discharge hole (5) are located along the same line.
5. a kind of high rigidity carboloy nozzle for 3D printing according to claim 1, it is characterised in that: described second
The section of material through hole (7) is tapered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821659148.6U CN209257491U (en) | 2018-10-13 | 2018-10-13 | A kind of high rigidity carboloy nozzle for 3D printing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821659148.6U CN209257491U (en) | 2018-10-13 | 2018-10-13 | A kind of high rigidity carboloy nozzle for 3D printing |
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| Publication Number | Publication Date |
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| CN209257491U true CN209257491U (en) | 2019-08-16 |
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| CN201821659148.6U Active CN209257491U (en) | 2018-10-13 | 2018-10-13 | A kind of high rigidity carboloy nozzle for 3D printing |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109094028A (en) * | 2018-10-13 | 2018-12-28 | 株洲利华硬质合金有限公司 | A kind of high rigidity carboloy nozzle and preparation method thereof for 3D printing |
| WO2024076564A1 (en) * | 2022-10-04 | 2024-04-11 | Us Synthetic Corporation | Nozzles, nozzle assemblies, and related methods |
-
2018
- 2018-10-13 CN CN201821659148.6U patent/CN209257491U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109094028A (en) * | 2018-10-13 | 2018-12-28 | 株洲利华硬质合金有限公司 | A kind of high rigidity carboloy nozzle and preparation method thereof for 3D printing |
| WO2024076564A1 (en) * | 2022-10-04 | 2024-04-11 | Us Synthetic Corporation | Nozzles, nozzle assemblies, and related methods |
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