CN205576223U - Quench head - Google Patents
Quench head Download PDFInfo
- Publication number
- CN205576223U CN205576223U CN201620186986.0U CN201620186986U CN205576223U CN 205576223 U CN205576223 U CN 205576223U CN 201620186986 U CN201620186986 U CN 201620186986U CN 205576223 U CN205576223 U CN 205576223U
- Authority
- CN
- China
- Prior art keywords
- water
- layering
- pipe
- water pipe
- work piece
- 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.)
- Expired - Fee Related
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- Heat Treatments In General, Especially Conveying And Cooling (AREA)
Abstract
The utility model discloses a quench head relates to quenching press technical field, has a square water pipe, and this square water pipe is equipped with the layering outward in the face of that one side pipe wall of work piece, is equipped with the hole for water spraying that a plurality of slopes set up on this side pipe wall, be equipped with the basin of a plurality of inside concave yields on the layering face along this layering length direction, compare with prior art, the utility model discloses because it has a plurality of water spray inclined holes to open on the lateral wall of square water pipe, make the water that gushes out be fan -shaped injection, the water spray face is wide, and it is even to distribute, and the even water spray of ability is to the work piece, and the cooling rate in the same cross -section of work piece is the same, can be fast with workpiece cooling, be equipped with the basin of a plurality of inside concave yields on the layering face along this layering length direction, make the layering press the position of the work piece of quenching also to have the water injection to arrive, make workpiece cooling even.
Description
Technical field
This utility model relates to Quenching press technical field, especially a kind of quenching shower nozzle.
Background technology
When the most large-scale plate of metalwork carries out heat treatment, first metalwork being needed after rolling is cooled to room temperature or direct quenching obtains required product or semi-finished product, in cooling procedure, in order to ensure that the mechanical performance of large-scale plate is wanted uniform, constant speed and lowers the temperature plate rapidly when just requiring and cool down；But existing workpiece is in heating and cooling procedure, inconsistent due to top layer and the rate of cooling in heart portion and time, form the temperature difference, may result in volumetric expansion and shrink uneven and produce thermal stress, under the effect of thermal stress, owing to top layer starts temperature less than heart portion, shrink and make heart portion tension also greater than heart portion, when cool down is complete, owing to heart portion finally cools down, volume contraction can not freely carry out and make pressurized heart portion, top layer tension, this phenomenon is cooled speed, the impact of the factor such as material composition and Technology for Heating Processing, when rate of cooling is the fastest, phosphorus content and alloying component are the highest, the uneven plastic deformation produced under thermal stress effect in cooling procedure is the biggest, the residual stress eventually formed is the biggest；On the other hand workpiece in heat treatment process due to tissue change i.e. austenite to martensite transfor mation time, because increasing of specific volume can be with the expansion of workpiece volume, the successively phase transformation of each position of workpiece, cause volume length to make great difference and produce structural stress.The final result of structural stress change is top layer tension stress, heart portion compression chord, the most contrary with thermal stress, thus quenching rate of cooling is one and can affect quenching quality and determine the key factor of residual stress, is also one and hardening flaw can be given important or even material factor.In order to reach the purpose of quenching, it is often necessary to accelerate part rate of cooling in high temperature section, just and critical hardening rate of cooling past workpiece can obtain martensitic structure.And existing cooling water injector, due to the water jets under high pressure skewness of ejection, cause the rate of cooling in the same cross section of workpiece to differ, so that position stress different on the same cross section of workpiece is different, the deformation of generation is different, causes workpiece to deform.
Utility model content
Problem to be solved in the utility model is to provide the quenching shower nozzle that a kind of water jets under high pressure is evenly distributed.
In order to solve above-mentioned technical problem, the technical solution adopted in the utility model is: have a square water pipe, and this square water pipe is externally provided with press strip in the face of that side tube wall of workpiece, and this side pipe wall is provided with multiple hole for water spraying being obliquely installed；It is provided with along this press strip length direction on described press strip face and multiple is inwardly recessed tank.
In technique scheme, more specifically scheme is it may also is that described square water pipe is provided with connection bent plate, is fixed with push pipe under the flanging of this connection bent plate, and the other end of this push pipe is located on described square water pipe.
Further: to be connected with water inlet pipe in the middle part of described square water pipe；The straight flange of described connection bent plate is provided with through hole, and the body of described water inlet pipe passes from described through hole.
Owing to using technique scheme, this utility model compared with prior art, has the advantages that
Owing to having multiple water spray inclined hole on the sidewall of square water pipe, making the water gushed out is fan-shaped spray, sprays water wide, is evenly distributed, and can spray water on workpiece uniformly, and the rate of cooling in the same cross section of workpiece is identical, can quickly be cooled down by workpiece；It is provided with along this press strip length direction on press strip face and multiple is inwardly recessed tank, make the quench position of workpiece of press strip pressure also have water to be ejected into, make workpiece cooling uniformly.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the top view of Fig. 1.
Fig. 3 is the A-A cutaway view Amplified image of Fig. 1.
Detailed description of the invention
Combining attached Example in detail below, the utility model is described in further detail:
The present embodiment as shown in Figure 1, Figure 2 and Figure 3, it has a square water pipe 1, this square water pipe is externally provided with press strip 2 in the face of that side tube wall of workpiece, this side pipe wall is provided with multiple water spray inclined hole 3, and making the water gushed out is fan-shaped spray, sprays water wide, it is evenly distributed, can eject water on workpiece uniformly, the rate of cooling in the same cross section of workpiece be identical, can quickly be cooled down by workpiece；It is provided with multiple tank 4 being inwardly recessed along this press strip length direction on press strip 2, makes the quench position of workpiece of press strip pressure also have water to be ejected into, make workpiece cooling uniformly；Square water pipe 1 is provided with connection bent plate 5, is fixed with push pipe 6 under the flanging of this connection bent plate, and the other end of this push pipe is fixed on square water pipe 1；It is connected with water inlet pipe 7 in the middle part of square water pipe 1；The straight flange connecting bent plate 5 is provided with through hole 8, and the body of water inlet pipe 7 passes from through hole 8.
Claims (3)
1. a quenching shower nozzle, it is characterised in that: having a square water pipe, this square water pipe is externally provided with press strip in the face of that side tube wall of workpiece, and this side pipe wall is provided with multiple hole for water spraying being obliquely installed；It is provided with multiple tank being inwardly recessed along this press strip length direction on described press strip face.
Quenching shower nozzle the most according to claim 1, it is characterised in that: described square water pipe is provided with connection bent plate, is fixed with push pipe under the flanging of this connection bent plate, and the other end of this push pipe is located on described square water pipe.
Quenching shower nozzle the most according to claim 2, it is characterised in that: it is connected with water inlet pipe in the middle part of described square water pipe；The straight flange of described connection bent plate is provided with through hole, and the body of described water inlet pipe passes from described through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620186986.0U CN205576223U (en) | 2016-03-11 | 2016-03-11 | Quench head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620186986.0U CN205576223U (en) | 2016-03-11 | 2016-03-11 | Quench head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205576223U true CN205576223U (en) | 2016-09-14 |
Family
ID=56868999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620186986.0U Expired - Fee Related CN205576223U (en) | 2016-03-11 | 2016-03-11 | Quench head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205576223U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105648167A (en) * | 2016-03-11 | 2016-06-08 | 柳州市久日工程机械有限公司 | Quenching shower nozzle |
-
2016
- 2016-03-11 CN CN201620186986.0U patent/CN205576223U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105648167A (en) * | 2016-03-11 | 2016-06-08 | 柳州市久日工程机械有限公司 | Quenching shower nozzle |
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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 |
Granted publication date: 20160914 Termination date: 20180311 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |