CN205741214U - A kind of lamination combination type broadband powder-feeding nozzle of band protection gas - Google Patents
A kind of lamination combination type broadband powder-feeding nozzle of band protection gas Download PDFInfo
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- CN205741214U CN205741214U CN201620443786.9U CN201620443786U CN205741214U CN 205741214 U CN205741214 U CN 205741214U CN 201620443786 U CN201620443786 U CN 201620443786U CN 205741214 U CN205741214 U CN 205741214U
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- protection
- lamination
- powder
- hole
- flow channel
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Abstract
The lamination combination type broadband powder-feeding nozzle of a kind of band protection gas, nozzle body includes folding the top board setting and interfixing, upper lamination, lower lamination and base plate the most successively, and top board entrance is provided with protection vent hole, powder through hole and lower protection vent hole；It is provided with protection flow channel between top board and upper lamination, between upper lamination and lower lamination, is provided with powder flow channel, lower between lamination and base plate, be provided with lower protection flow channel；One end of upper protection flow channel connects with upper protection vent hole; the other end extends to the nozzle body port of export and forms the outlet of protection gas; one end of lower protection flow channel connects with lower protection vent hole; the other end extends to the nozzle body port of export and forms the outlet of lower protection gas; one end of powder flow channel connects with powder through hole; the other end extends to the nozzle body port of export and forms dust outlet, and upper protection gas exports, the outlet of lower protection gas lays respectively at above and below dust outlet.
Description
Technical field
This utility model relates to a kind of nozzle, particularly relates to the lamination combination type of a kind of band protection gas
Broadband powder-feeding nozzle.
Background technology
During laser wide-band cladding, powder is after nozzle exports, by outlet carrier gas turbulent flow
Impact, powder can dissipate in a large number, causes powder using efficiency the lowest.
Add protection gas in dust outlet periphery, can dissipate with operative constraint powder, protect meanwhile
Protect gas and can form atmosphere protection around molten bath, prevent and reduce molten bath oxidation, improve cladding
Layer quality.
At present, protect frequently with additionally adding gas circuit in nozzle periphery, but additionally add knot
Structure so that complicated integral structure, integraty are poor in-convenience in use and weak effect.
Utility model content
For overcoming the problems referred to above, this utility model provides the lamination combination type width of a kind of band protection gas
Band powder-feeding nozzle.
The technical solution of the utility model is:
A kind of lamination combination type broadband powder-feeding nozzle of band protection gas, including nozzle body, described
Nozzle body includes folding the top board setting and interfixing, upper lamination, lower lamination the most successively
And base plate, top board entrance is inclined upwardly extension, and base plate entrance matches with top board entrance
Closing, top board entrance is provided with protection vent hole, powder through hole and lower protection vent hole, and
Upper protection vent hole, powder through hole and lower protection vent hole are all obliquely installed, to increase protection gas
Through hole, powder through hole and the discharge area of lower protection vent hole；
Protection flow channel, described upper lamination and institute it is provided with between described top board and described upper lamination
State and between lower lamination, be provided with powder flow channel, between described lower lamination and base plate, be provided with lower protection air-flow
Road；
One end of described upper protection flow channel connects with upper protection vent hole, and the other end extends to spray
The mouth body port of export forms the outlet of protection gas,
One end of described lower protection flow channel connects with lower protection vent hole, and the other end extends to spray
The mouth body port of export forms the outlet of lower protection gas,
One end of described powder flow channel connects with powder through hole, and the other end extends to nozzle body and goes out
Mouth end forms dust outlet,
And the outlet of upper protection gas, the outlet of lower protection gas lay respectively at dust outlet top and under
Side.
Further, upper protection gas outlet, the outlet of lower protection gas lay respectively at just going up of dust outlet
Side and underface.
Further, described upper protection vent hole, powder through hole and lower protection vent hole press triangle
Arrangement.
Further, described upper protection flow channel includes that be opened on lamination end face first is recessed
Groove, described first groove and top board bottom surface enclose protection flow channel.
Further, described powder flow channel includes the second groove being opened in lamination bottom surface and offers
Powder stream it is buckled into up and down at the 3rd groove of lower lamination end face, the second groove and the 3rd groove
Road.
Further, described lower protection flow channel includes that the be opened on lower lamination bottom surface the 4th is recessed
Groove, described four grooves enclose lower protection flow channel with the end face of base plate.
Further, described upper lamination be provided with the guiding groove connected with upper protection vent hole and
The first through hole that powder through hole connects and the second through hole connected with lower protection vent hole, institute
State lower lamination and be provided with the third through-hole connected with the second through hole；Described upper protection flow channel leads to
Cross guiding groove to connect with upper protection vent hole；Described lower protection flow channel is by the second through hole and the
Three through holes connect with lower protection vent hole；Described powder flow channel is by the first through hole and powder through hole
Connection.
Further, described top board, upper lamination, lower lamination and base plate are fastened by screw.
Further, it is provided with cooling water flow conduits in described base plate.
Further, the both sides of described base plate are provided with the position, hole for fixing with fixture.
The beneficial effects of the utility model are:
1, the powder at dust outlet is protected the effect of gas, dissipates reduction, and powder utilizes
Rate is effectively improved；Meanwhile, protection gas can form atmosphere protection around molten bath, improves molten
Cover quality.
2, upper protection vent hole, powder through hole and lower protection vent hole press triangular pitch, make
The structure obtaining nozzle body is compacter
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present utility model.
Fig. 2 is structural blast figure of the present utility model.
Fig. 3 is top board side view.
Fig. 4 is top board upward view.
Fig. 5 is top board right view.
Fig. 6 is upper lamination top view.
Fig. 7 is upper lamination upward view.
Fig. 8 is upper lamination left view.
Fig. 9 is base plate top view.
Figure 10 is base plate front view.
Figure 11 is base plate right view.
Figure 12 is lower lamination top view.
Figure 13 is lower lamination upward view.
Figure 14 is lower lamination left view.
Detailed description of the invention
As it is shown in figure 1, left end is the port of export of nozzle body, right-hand member is the entrance of nozzle body
End, and definition nozzle body is nozzle body outlet section near a section of the port of export, nozzle body
One section of close arrival end is nozzle body entrance, and in like manner, top board 1 is near the one of the port of export
Section is top board outlet section, and top board 1 is top board entrance 11 near a section of arrival end, base plate 5
Being base plate outlet section near a section of the port of export, base plate 5 enters for top board near a section of arrival end
Mouth section 51.
Referring to the drawings, the lamination combination type broadband powder-feeding nozzle of a kind of band protection gas, including nozzle
Body, nozzle body includes folding the top board 1 setting and interfixing, upper lamination the most successively
2, lower lamination 3 and base plate 4, top board entrance 11 is inclined upwardly extension, and base plate entrance
41 match with top board entrance 11, i.e. the connecing of base plate entrance 51 and top board entrance 11
Contacting surface closely fits, and plays sealing function, and top board entrance 11 is provided with protection gas and leads to
Hole 112, powder through hole 111 and lower protection vent hole 113, and upper protection vent hole 112, powder
End through hole 111 and lower protection vent hole 113 are obliquely installed each along top board entrance 11, with
Vent hole 112, powder through hole 111 and lower protection vent hole 113 discharge area is protected in increase,
Reduce resistance.
Protection flow channel, described upper lamination it is provided with between described top board 1 and described upper lamination 2
It is provided with powder flow channel between 2 and described lower lamination 3, sets between described lower lamination 3 and base plate 4
There is lower protection flow channel；
One end of described upper protection flow channel connects with upper protection vent hole 112, and the other end extends
The outlet of upper protection gas is formed to the nozzle body port of export,
One end of described lower protection flow channel connects with lower protection vent hole 113, and the other end extends
The outlet of lower protection gas is formed to the nozzle body port of export,
One end of described powder flow channel connects with powder through hole 111, and the other end extends to nozzle originally
The body port of export forms dust outlet,
And the outlet of upper protection gas, the outlet of lower protection gas lay respectively at dust outlet top and under
Side.
Further, upper protection gas outlet, the outlet of lower protection gas lay respectively at just going up of dust outlet
Side and underface.
Further, described upper protection vent hole 112, powder through hole 111 and lower protection vent hole
113 press triangular pitch so that above protection vent hole 112, powder through hole 111 and lower protection
Vent hole is more concentrated, and reduces the volume of nozzle body.
Further, described upper protection flow channel includes that be opened on lamination 2 end face first is recessed
Groove 21, described first groove 21 encloses protection flow channel with top board 1 bottom surface.
Further, described powder flow channel includes the second groove 25 being opened in lamination 2 bottom surface
Be opened in the 3rd groove 31 of lower lamination 3 end face, the second groove 25 and the 3rd groove 31
It is buckled into powder flow channel up and down.
Further, described lower protection flow channel includes that the be opened on lower lamination 3 bottom surface the 4th is recessed
Groove 33, described four grooves 33 enclose lower protection flow channel with the end face of base plate 4.
Further, described upper lamination 2 is provided with the guiding connected with upper protection vent hole 112
The first through hole 22 that groove 23 and powder through hole 111 connect and with lower protection vent hole 113
The second through hole 24 connected, described lower lamination 3 is provided with and connects with the second through hole 24
Third through-hole 32；Described upper protection flow channel is by guiding groove 2 and upper protection vent hole 112
Connection；Described lower protection flow channel is by the second through hole 24 and third through-hole 32 and lower protection gas
Through hole 113 connects；Described powder flow channel is connected with powder through hole by the first through hole 22.On
The outlet of protection vent hole 112 is passed directly into guiding groove 23, due to upper protection vent hole 112
Position is set farther out, so arranging guiding groove 23 to play interconnection function.
Further, described top board 1, upper lamination 2, lower lamination 3 and base plate 4 are by screw 5
Fasten, and described top board 1, upper lamination 2, lower lamination 3 and base plate 4 are provided with up/down perforation
Screw.
Further, being provided with cooling water flow conduits 43 in described base plate 4, nozzle body 1 is near swashing
Light district, the external circulation of cooling water flow conduits 43, nozzle body 1 is cooled down.
Further, the both sides of described base plate 4 are provided with the position, hole 42 for fixing with fixture,
Use, so arranging fixing hole position 52 on fixture owing to nozzle body 1 needs to be fixed on.
Action principle of the present utility model is:
At upper protection vent hole 112, powder through hole 111 and the entrance of lower protection vent hole 113
Place each leads into protection gas, powder and lower protection gas, upper protection gas, powder and lower protection gas
Respectively through upper protection flow channel, powder flow channel and lower protection flow channel to the port of export of nozzle body
Conveying so that powder is acted on by upper and lower, protection gas at dust outlet, dissipates reduction,
Powder using efficiency is effectively improved；Meanwhile, protection gas can form atmosphere protection around molten bath,
Improve cladding quality.
Content described in this specification embodiment is only the way of realization to utility model design
Enumerate, protection domain of the present utility model is not construed as being only limitted to what embodiment was stated
Concrete form, protection domain of the present utility model also includes that those skilled in the art are according to this practicality
Novel design it is conceivable that equivalent technologies means.
Claims (10)
1. the lamination combination type broadband powder-feeding nozzle of a band protection gas, it is characterised in that:
Including nozzle body, described nozzle body includes folding the top setting and interfixing the most successively
Plate, upper lamination, lower lamination and base plate, top board entrance is inclined upwardly extension, and base plate entrance
Section matches with top board entrance, and top board entrance is provided with protection vent hole, powder through hole
And lower protection vent hole, and upper protection vent hole, powder through hole and lower protection vent hole all tilt
Arrange；
Protection flow channel, described upper lamination and institute it is provided with between described top board and described upper lamination
State and between lower lamination, be provided with powder flow channel, between described lower lamination and base plate, be provided with lower protection air-flow
Road；
One end of described upper protection flow channel connects with upper protection vent hole, and the other end extends to spray
The mouth body port of export forms the outlet of protection gas,
One end of described lower protection flow channel connects with lower protection vent hole, and the other end extends to spray
The mouth body port of export forms the outlet of lower protection gas,
One end of described powder flow channel connects with powder through hole, and the other end extends to nozzle body and goes out
Mouth end forms dust outlet,
And the outlet of upper protection gas, the outlet of lower protection gas lay respectively at dust outlet top and under
Side.
The lamination combination type broadband powder feeding spray of a kind of band the most as claimed in claim 1 protection gas
Mouth, it is characterised in that: above protection gas outlet, the outlet of lower protection gas lay respectively at dust outlet
Surface and underface.
The lamination combination type broadband powder feeding spray of a kind of band the most as claimed in claim 2 protection gas
Mouth, it is characterised in that: described upper protection vent hole, powder through hole and lower protection vent hole press three
Dihedral is arranged.
The lamination combination type broadband powder feeding spray of a kind of band the most as claimed in claim 3 protection gas
Mouth, it is characterised in that: described upper protection flow channel includes be opened on lamination end face first
Groove, described first groove and top board bottom surface enclose protection flow channel.
The lamination combination type broadband powder feeding spray of a kind of band the most as claimed in claim 4 protection gas
Mouth, it is characterised in that: described powder flow channel include being opened in lamination bottom surface the second groove and
It is opened in the 3rd groove of lower lamination end face, the second groove and the 3rd groove and is buckled into powder up and down
Runner.
The lamination combination type broadband powder feeding spray of a kind of band the most as claimed in claim 5 protection gas
Mouth, it is characterised in that: described lower protection flow channel includes be opened on lower lamination bottom surface the 4th
Groove, described four grooves enclose lower protection flow channel with the end face of base plate.
The lamination combination type broadband powder feeding spray of a kind of band the most as claimed in claim 6 protection gas
Mouth, it is characterised in that: described upper lamination be provided with connect with upper protection vent hole guiding groove,
The first through hole connected with powder through hole and the second through hole connected with lower protection vent hole,
Described lower lamination is provided with the third through-hole connected with the second through hole；Described upper protection flow channel
Connected with upper protection vent hole by guiding groove；Described lower protection flow channel by the second through hole and
Third through-hole connects with lower protection vent hole；Described powder flow channel is by the first through hole and powder stream
Road connects.
The lamination combination type broadband powder feeding spray of a kind of band the most as claimed in claim 7 protection gas
Mouth, it is characterised in that: described top board, upper lamination, lower lamination and base plate are fastened by screw.
The lamination combination type broadband powder feeding spray of a kind of band the most as claimed in claim 8 protection gas
Mouth, it is characterised in that: it is provided with cooling water flow conduits in described base plate.
The lamination combination type broadband powder feeding spray of a kind of band the most as claimed in claim 9 protection gas
Mouth, it is characterised in that: the both sides of described base plate are provided with the position, hole for fixing with fixture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620443786.9U CN205741214U (en) | 2016-05-16 | 2016-05-16 | A kind of lamination combination type broadband powder-feeding nozzle of band protection gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620443786.9U CN205741214U (en) | 2016-05-16 | 2016-05-16 | A kind of lamination combination type broadband powder-feeding nozzle of band protection gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205741214U true CN205741214U (en) | 2016-11-30 |
Family
ID=57366414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620443786.9U Expired - Fee Related CN205741214U (en) | 2016-05-16 | 2016-05-16 | A kind of lamination combination type broadband powder-feeding nozzle of band protection gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205741214U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105839102A (en) * | 2016-05-16 | 2016-08-10 | 浙江工业大学 | Lamination combined wide-band powder feeding nozzle with protective gas |
-
2016
- 2016-05-16 CN CN201620443786.9U patent/CN205741214U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105839102A (en) * | 2016-05-16 | 2016-08-10 | 浙江工业大学 | Lamination combined wide-band powder feeding nozzle with protective gas |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161130 Termination date: 20190516 |