CN109094028A - A kind of high rigidity carboloy nozzle and preparation method thereof for 3D printing - Google Patents
A kind of high rigidity carboloy nozzle and preparation method thereof for 3D printing Download PDFInfo
- Publication number
- CN109094028A CN109094028A CN201811192385.0A CN201811192385A CN109094028A CN 109094028 A CN109094028 A CN 109094028A CN 201811192385 A CN201811192385 A CN 201811192385A CN 109094028 A CN109094028 A CN 109094028A
- Authority
- CN
- China
- Prior art keywords
- nozzle
- hole
- wall
- high rigidity
- carboloy
- 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.)
- Pending
Links
- 238000010146 3D printing Methods 0.000 title claims abstract description 25
- 238000002360 preparation method Methods 0.000 title abstract description 7
- 239000000463 material Substances 0.000 claims abstract description 50
- 239000007921 spray Substances 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims description 17
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 12
- 239000011265 semifinished product Substances 0.000 claims description 12
- 239000000843 powder Substances 0.000 claims description 11
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 claims description 10
- 238000004663 powder metallurgy Methods 0.000 claims description 9
- 238000005245 sintering Methods 0.000 claims description 8
- 239000000047 product Substances 0.000 claims description 6
- 238000000227 grinding Methods 0.000 claims description 5
- 238000007689 inspection Methods 0.000 claims description 5
- 238000000465 moulding Methods 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 229910045601 alloy Inorganic materials 0.000 description 4
- 239000000956 alloy Substances 0.000 description 4
- 238000005507 spraying Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 239000010941 cobalt Substances 0.000 description 2
- 229910017052 cobalt Inorganic materials 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 229910003460 diamond Inorganic materials 0.000 description 2
- 239000010432 diamond Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007639 printing Methods 0.000 description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 2
- 239000010937 tungsten Substances 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000003082 abrasive agent Substances 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000005488 sandblasting Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
- B29C64/205—Means for applying layers
- B29C64/209—Heads; Nozzles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Optics & Photonics (AREA)
- Powder Metallurgy (AREA)
Abstract
The high rigidity carboloy nozzle and preparation method thereof that the invention discloses a kind of 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 present invention relates to carboloy nozzle skills Art field.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 present invention relates to carboloy nozzle technical field, specially a kind of high rigidity hard alloy for 3D printing sprays
Mouth and preparation method thereof.
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.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides a kind of high rigidity carboloy nozzle for 3D printing and its
Production method 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 present invention is achieved by the following technical programs: a kind of high rigidity for 3D printing
Carboloy nozzle, including nozzle body, the outer wall of the position of the nozzle body upper end are uniformly enclosed with annular fastening block, institute
The inner wall for stating 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 evenly arranged with
External screw thread, the position in the middle part of the bottom of the nozzle body outer wall offer feed opening, in the top of the nozzle body outer wall
The position in portion offers discharge hole, and the lower end inside the nozzle body offers first material through-hole, and the first material is logical
The lower end in hole is connected to feed opening, and the upper end of the first material through-hole is communicated with second material through-hole, and the second material is logical
The upper end in 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 strainer, institute
The left and right ends for stating the first strainer are fixedly connected with the inner wall of first material through-hole, and the second material through-hole is close to discharge hole
The inner wall of one end be provided with the second strainer, the left and right ends of second strainer with the inner wall of second material through-hole is fixed connects
It connects.
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 high rigidity carboloy nozzle and preparation method thereof that the present invention provides a kind of for 3D printing, having following has
Beneficial effect:
(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 invention；
Fig. 2 is the high rigidity carboloy nozzle cross-sectional view for 3D printing of the invention.
Fig. 3 is the high rigidity carboloy nozzle top view for 3D printing of the invention.
Fig. 4 is the high rigidity carboloy nozzle bottom view for 3D printing of the invention.
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
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-4 is please referred to, the present invention provides a kind of technical solution: a kind of high rigidity carboloy nozzle for 3D printing
And preparation method thereof, including nozzle body 1, the outer wall of the position of 1 upper end of nozzle body be uniformly enclosed with annular fastening block 2, ring
The inner wall of shape 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 outer spiral shell
Line 3, the position in the middle part of the bottom of 1 outer wall of nozzle body offer feed opening 4, the position of the top middle portion of 1 outer wall of nozzle body
Offer discharge hole 5, the lower end inside nozzle body 1 offers first material through-hole 6, the lower end of first material through-hole 6 with into
Expect that hole 4 is connected to, 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 and discharge hole 5
Connection, inner wall of the first material through-hole 6 close to one end of feed opening 4 are provided with the first strainer 8, the left and right ends of the first strainer 8
It is fixedly connected with the inner wall of first material through-hole 6, inner wall of the second material through-hole 7 close to one end of discharge hole 5 is provided with
The left and right ends of two strainers 9, 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 ".
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (7)
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
Ontology (1) is made up using tungsten carbide powder and cobalt powder of the method for powder metallurgy.
3. 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.
4. 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.
5. 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.
6. 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.
7. a kind of production method of the high rigidity carboloy nozzle for 3D printing, which comprises 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811192385.0A CN109094028A (en) | 2018-10-13 | 2018-10-13 | A kind of high rigidity carboloy nozzle and preparation method thereof for 3D printing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811192385.0A CN109094028A (en) | 2018-10-13 | 2018-10-13 | A kind of high rigidity carboloy nozzle and preparation method thereof for 3D printing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109094028A true CN109094028A (en) | 2018-12-28 |
Family
ID=64868661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811192385.0A Pending CN109094028A (en) | 2018-10-13 | 2018-10-13 | A kind of high rigidity carboloy nozzle and preparation method thereof for 3D printing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109094028A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113631280A (en) * | 2019-07-12 | 2021-11-09 | 株式会社沃克斯 | Nozzle for bonding electronic parts |
| WO2022216572A1 (en) * | 2021-04-07 | 2022-10-13 | Us Synthetic Corporation | Nozzles, nozzle assemblies, and related methods |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06240303A (en) * | 1993-02-15 | 1994-08-30 | Fuji Seisakusho:Kk | Treatment of surface layer of alloy powder |
| CN105034389A (en) * | 2015-09-06 | 2015-11-11 | 成都思维智造科技有限公司 | Spray head structure of large 3D printer |
| CN105178870A (en) * | 2015-10-08 | 2015-12-23 | 自贡金成硬质合金有限公司 | Integral type hard alloy pulsed nozzle and producing technology thereof |
| CN205236224U (en) * | 2015-12-21 | 2016-05-18 | 刘丹 | Carbide nozzle |
| US20180111316A1 (en) * | 2015-03-06 | 2018-04-26 | Coltène/Whaledent Ag | Cartridge having composite material |
| CN209257491U (en) * | 2018-10-13 | 2019-08-16 | 株洲利华硬质合金有限公司 | A kind of high rigidity carboloy nozzle for 3D printing |
-
2018
- 2018-10-13 CN CN201811192385.0A patent/CN109094028A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06240303A (en) * | 1993-02-15 | 1994-08-30 | Fuji Seisakusho:Kk | Treatment of surface layer of alloy powder |
| US20180111316A1 (en) * | 2015-03-06 | 2018-04-26 | Coltène/Whaledent Ag | Cartridge having composite material |
| CN105034389A (en) * | 2015-09-06 | 2015-11-11 | 成都思维智造科技有限公司 | Spray head structure of large 3D printer |
| CN105178870A (en) * | 2015-10-08 | 2015-12-23 | 自贡金成硬质合金有限公司 | Integral type hard alloy pulsed nozzle and producing technology thereof |
| CN205236224U (en) * | 2015-12-21 | 2016-05-18 | 刘丹 | Carbide nozzle |
| CN209257491U (en) * | 2018-10-13 | 2019-08-16 | 株洲利华硬质合金有限公司 | A kind of high rigidity carboloy nozzle for 3D printing |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113631280A (en) * | 2019-07-12 | 2021-11-09 | 株式会社沃克斯 | Nozzle for bonding electronic parts |
| WO2022216572A1 (en) * | 2021-04-07 | 2022-10-13 | Us Synthetic Corporation | Nozzles, nozzle assemblies, and related methods |
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