CN207062334U - A kind of quenching bed water injector - Google Patents
A kind of quenching bed water injector Download PDFInfo
- Publication number
- CN207062334U CN207062334U CN201720756683.2U CN201720756683U CN207062334U CN 207062334 U CN207062334 U CN 207062334U CN 201720756683 U CN201720756683 U CN 201720756683U CN 207062334 U CN207062334 U CN 207062334U
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- CN
- China
- Prior art keywords
- dispensing orifice
- demarcation strip
- water
- quenching
- aperture
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- 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.)
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- Heat Treatment Of Articles (AREA)
- Nozzles (AREA)
- Heat Treatments In General, Especially Conveying And Cooling (AREA)
Abstract
The utility model discloses quenching bed water injector, mainly by main body and it is arranged at the work department on main body top and forms, work department includes tool hole top plate and tool hole side plate, two tool hole side plates are symmetrical arranged along tool hole top plate both sides, form the water spray face of an isosceles trapezoid, and water spray face is provided with hole for water spraying, water in main body is sprayed by hole for water spraying high speed, it is sprayed onto on high temperature workpiece, so as to carry out fast cooling to high temperature workpiece, reaches the effect of quenching.Using the quenching bed water injector of above technical scheme, for uniformly being sprayed water to flat work pieces, the structure of structure and body interior to water spray face is all optimized, the water jets under high pressure pressure stability of ejection, and highly uniform, in quenching, equably workpiece can be quenched, make the cooling velocity in the same section of workpiece identical, so that position stress different on the same section of workpiece, caused deformation is also identical, so as to reach more preferable quenching effect.
Description
Technical field
Metal heat treatment equipment is the utility model is related to, more particularly to a kind of quenching bed water injector.
Background technology
When for example large-scale plate of metalwork is heat-treated, first metalwork is needed to be cooled to normal temperature after rolling or directly quenched
Fire obtains required product or semi-finished product, in cooling procedure, in order to ensure that the mechanical performance of large-scale plate requires to want during cooling
Uniformly, constant speed and rapidly plate is cooled；But existing workpiece heat and cooling procedure in, due to top layer and center portion
Cooling velocity and inconsistent, the formation temperature difference of time, may result in volumetric expansion and shrink uneven and produce thermal stress, answered in heat
In the presence of power, because top layer start temperature is less than center portion, shrinks also greater than center portion and make center portion tension, when cool down is complete,
Because center portion finally cools down, volume contraction can not freely carry out and make top layer compression center portion tension, and this phenomenon is cooled speed
The influence of the factors such as degree, material composition and Technology for Heating Processing, when cooling velocity is faster, phosphorus content and alloying component are higher, cooling
During thermal stress effect under it is caused it is uneven plastic deformation it is bigger, the residual stress eventually formed is just bigger；The opposing party
Face workpiece in heat treatment process because the change of tissue is austenite to during martensite transfor mation, because the increase of specific volume can be with work
The expansion of part volume, each position priority phase transformation of workpiece, volume length is caused to make great difference and produce structural stress.Structural stress changes
Final result be top layer tension stress, center portion compression chord, just with thermal stress on the contrary, thus to quench cooling velocity be one
Quenching quality can be influenceed and an important factor for determine residual stress, and one hardening flaw can be given it is important or even decisive
The factor of influence.In order to reach the purpose of quenching, it is often necessary to accelerate cooling velocity of the part in high temperature section, and past
The critical hardening cooling velocity of workpiece can just obtain martensitic structure.And existing cooling water injector, due to the high pressure of ejection
Water column skewness, the cooling velocity in the same section of workpiece is caused to differ, so that position different on the same section of workpiece
Stress is different, and caused deformation is different, causes workpiece to deform.
Utility model content
The purpose of this utility model is to provide a kind of quenching bed water injector.
According to one side of the present utility model, there is provided a kind of quenching bed water injector, mainly by main body and be arranged at
The work department on main body top is formed, and work department includes tool hole top plate and tool hole side plate, two tool hole side plates edges tool hole top plate both sides
It is symmetrical arranged, forms the water spray face of an isosceles trapezoid, water spray face is provided with hole for water spraying, and the water in main body is sprayed by hole for water spraying high speed
Go out, be sprayed onto on high temperature workpiece, so as to carry out fast cooling to high temperature workpiece, reach the effect of quenching.
In some embodiments, multiple demarcation strips are provided with main body, body interior is divided into multiple by multiple demarcation strips
Chamber, each chamber top are work department.
In some embodiments, demarcation strip is provided with dispensing orifice, and multiple chambers are sequentially connected logical by dispensing orifice.
In some embodiments, main body water inlet side is provided with inlet opening, and the dispensing orifices of multiple demarcation strips is along straight line
Set, and the center of dispensing orifice is corresponding with the center of inlet opening respectively.
In some embodiments, the aperture of dispensing orifice is inwardly successively decreased with 10~20% successively along inlet opening direction.
In some embodiments, separate in the dispensing orifice of multiple demarcation strips along the penultimate of inlet opening inward direction
The aperture of the dispensing orifice of plate and its demarcation strip of front end is successively decreased in the same scale, and the dispensing orifice of individual demarcation strip last
The ratio of successively decreasing in aperture and the dispensing orifice aperture of its front side demarcation strip is less than above identical ratio.
In some embodiments, body interior is provided with three demarcation strips with dispensing orifice, including the first demarcation strip, the
Two compartment plate and the 3rd demarcation strip, wherein, the first demarcation strip is close to inlet opening, and the dispensing orifice aperture of the first demarcation strip is water inlet
The 84% of hole, the dispensing orifice aperture of the second demarcation strip is the 84% of the dispensing orifice of the first demarcation strip, the dispensing orifice of the 3rd demarcation strip
Aperture is the 87.5% of the dispensing orifice of the second demarcation strip.
In some embodiments, inlet opening internal diameter is 45mm, and the dispensing orifice aperture of the first demarcation strip is 38mm, second
The dispensing orifice aperture of demarcation strip is 32mm, and the dispensing orifice of the 3rd demarcation strip is 28mm.
Using the quenching bed water injector of above technical scheme, for uniformly being sprayed water to flat work pieces, to face of spraying water
Structure and the structure of body interior be all optimized, the water jets under high pressure pressure stability of ejection, and highly uniform is quenching
When, equably workpiece can be quenched, make the cooling velocity in the same section of workpiece identical, so that on the same section of workpiece
Different position stress, caused deformation is also identical, so as to reach more preferable quenching effect.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the quenching bed water injector of embodiment of the utility model.
Fig. 2 is the structural representation of the work department of quenching bed water injector shown in Fig. 1.
Fig. 3 is sectional view of the quenching bed water injector along A-A directions shown in Fig. 1.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 and Fig. 2 schematically shows the quenching bed water injector according to a kind of embodiment of the present utility model.Such as
Shown in figure, the device mainly by main body 1 and is arranged at the work department 2 on the top of main body 1 and formed.
Wherein, work department 2 includes tool hole top plate 21 and tool hole side plate 22.
Two tool hole side plates 22 are symmetrical arranged along tool hole top plate 21 both sides, form the water spray face of an isosceles trapezoid.
Water spray face is provided with hole for water spraying 23.
Water in main body 1 is sprayed by the high speed of hole for water spraying 23, is sprayed onto on high temperature workpiece, quick so as to be carried out to high temperature workpiece
Cooling, reach the effect of quenching.
Multiple demarcation strips 3 are provided with main body 1.
Multiple demarcation strips 3 will be divided into multiple chambers 11 inside main body 1.
Each top of chamber 11 is work department 2.
Demarcation strip 3 is additionally provided with dispensing orifice 31.
Multiple chambers 11 are sequentially connected logical by dispensing orifice 31.
The water inlet of main body 1 side is provided with inlet opening 12.
Preferably, the dispensing orifice 31 of multiple demarcation strips 3 is set along straight line, and the center of dispensing orifice 31 respectively with water inlet
The center in hole 12 is corresponding.
Inwardly successively decrease successively with 10~20% along the direction of inlet opening 12 in the aperture of dispensing orifice 31.
It is furthermore preferred that along the penultimate demarcation strip 3 of the inward direction of inlet opening 12 in the dispensing orifice 31 of multiple demarcation strips 3
And its aperture of the dispensing orifice 31 of the demarcation strip 3 of front end is successively decreased in the same scale, and the dispensing orifice of individual demarcation strip 3 last
The ratio of successively decreasing in 31 aperture and the aperture of dispensing orifice 31 of its front side demarcation strip 31 is less than above identical ratio.
Three demarcation strips 3 with dispensing orifice 31 are preferably provided with inside main body 1.
By optimization, the aperture of dispensing orifice 31 of first demarcation strip 3 is the 84% of inlet opening 12, second demarcation strip 3
The aperture of dispensing orifice 31 is the 84% of the dispensing orifice 31 of first demarcation strip 3, and the aperture of the dispensing orifice 31 of the 3rd demarcation strip 3 is the
The 87.5% of the dispensing orifice 31 of two demarcation strips 3.
As shown in Fig. 2 in the present embodiment, be sequentially provided with inside main body 11 first demarcation strip 3a, the second demarcation strip 3b and
3rd demarcation strip 3c.
Three demarcation strips (3a, 3b, 3c) will be divided into four chambers 11 inside main body 1.
First demarcation strip 3a is close to inlet opening 12.
Wherein, the internal diameter of inlet opening 12 is 45mm, and the first demarcation strip 3a aperture of dispensing orifice 31 is 38mm, the second demarcation strip
The 3b aperture of dispensing orifice 31 is 32mm, and the 3rd demarcation strip 3c dispensing orifice 31 is 28mm.
Using the quenching bed water injector of above technical scheme, for uniformly being sprayed water to flat work pieces, to face of spraying water
Structure and the structure of body interior be all optimized, the water jets under high pressure pressure stability of ejection, and highly uniform is quenching
When, equably workpiece can be quenched, make the cooling velocity in the same section of workpiece identical, so that on the same section of workpiece
Different position stress, caused deformation is also identical, so as to reach more preferable quenching effect.
Above-described is only some embodiments of the present utility model.For the person of ordinary skill of the art,
On the premise of not departing from the utility model and creating design, various modifications and improvements can be made, these belong to this practicality
New protection domain.
Claims (8)
1. a kind of quenching bed water injector, it is characterised in that mainly by main body and be arranged at the work department structure on the main body top
Into the work department includes tool hole top plate and tool hole side plate, and two tool hole side plates are symmetrically set along the tool hole top plate both sides
Put, form the water spray face of an isosceles trapezoid, water spray face is provided with hole for water spraying, and the water in the main body is by the hole for water spraying high speed
Spray, be sprayed onto on high temperature workpiece, so as to carry out fast cooling to high temperature workpiece, reach the effect of quenching.
2. quenching bed water injector according to claim 1, it is characterised in that multiple demarcation strips are provided with the main body,
The body interior is divided into multiple chambers by multiple demarcation strips, and each chamber top is the work department.
3. quenching bed water injector according to claim 2, it is characterised in that the demarcation strip is provided with dispensing orifice, described
Multiple chambers are sequentially connected logical by dispensing orifice.
4. the quenching bed water injector according to Claims 2 or 3, it is characterised in that main body water inlet side be provided with into
Water hole, the dispensing orifice of multiple demarcation strips are set along straight line, and the center of the dispensing orifice respectively with the inlet opening
Center it is corresponding.
5. quenching bed water injector according to claim 4, it is characterised in that the aperture of the dispensing orifice is along the water inlet
Inwardly successively decrease successively with 10%~20% in hole direction.
6. quenching bed water injector according to claim 5, it is characterised in that edge in the dispensing orifice of multiple demarcation strips
The aperture of the dispensing orifice of demarcation strip and its demarcation strip of front end described in the penultimate of the inlet opening inward direction with
Identical ratio is successively decreased, and the aperture of the dispensing orifice of the last demarcation strip and the dispensing orifice of its front side demarcation strip
The ratio of successively decreasing in aperture is less than above identical ratio.
7. quenching bed water injector according to claim 6, it is characterised in that the body interior, which is provided with three, has institute
The demarcation strip of dispensing orifice, including the first demarcation strip, the second demarcation strip and the 3rd demarcation strip are stated, wherein, first demarcation strip leans on
Nearly inlet opening, and the dispensing orifice aperture of first demarcation strip is the 84% of the inlet opening, the distribution of second demarcation strip
Hole aperture is the 84% of the dispensing orifice of first demarcation strip, and the dispensing orifice aperture of the 3rd demarcation strip separates for described second
The 87.5% of the dispensing orifice of plate.
8. quenching bed water injector according to claim 7, it is characterised in that the inlet opening internal diameter is 45mm, described
The dispensing orifice aperture of first demarcation strip is 38mm, and the dispensing orifice aperture of second demarcation strip is 32mm, the 3rd demarcation strip
Dispensing orifice be 28mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720756683.2U CN207062334U (en) | 2017-06-27 | 2017-06-27 | A kind of quenching bed water injector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720756683.2U CN207062334U (en) | 2017-06-27 | 2017-06-27 | A kind of quenching bed water injector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207062334U true CN207062334U (en) | 2018-03-02 |
Family
ID=61507132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720756683.2U Expired - Fee Related CN207062334U (en) | 2017-06-27 | 2017-06-27 | A kind of quenching bed water injector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207062334U (en) |
-
2017
- 2017-06-27 CN CN201720756683.2U patent/CN207062334U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180302 Termination date: 20200627 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |