CN108637590A - A kind of processing method of combustion box - Google Patents
A kind of processing method of combustion box Download PDFInfo
- Publication number
- CN108637590A CN108637590A CN201810863806.1A CN201810863806A CN108637590A CN 108637590 A CN108637590 A CN 108637590A CN 201810863806 A CN201810863806 A CN 201810863806A CN 108637590 A CN108637590 A CN 108637590A
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- China
- Prior art keywords
- piece
- lower plate
- upper plate
- preset time
- processing method
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P11/00—Connecting or disconnecting metal parts or objects by metal-working techniques not otherwise provided for
- B23P11/02—Connecting or disconnecting metal parts or objects by metal-working techniques not otherwise provided for by first expanding and then shrinking or vice versa, e.g. by using pressure fluids; by making force fits
Abstract
The invention discloses a kind of processing methods of combustion box, including：Second single-piece is put into heating furnace and is heated, the upper plate of fixture is fixed on the pressure face of forcing press, positions upper plate and lower plate, the first single-piece are fixed on upper plate, the first single-piece is located at the first predeterminated position；The second single-piece after heating is taken out, lower plate is put into, the second single-piece is located at the second predeterminated position, and the second single-piece, which was taken out to the time for being located in lower plate, is no more than preset time, and the second preset time is kept the temperature if the second single-piece is put back to heating furnace more than if；Start forcing press, upper plate presses to lower plate, and the first single-piece is pressed into the second single-piece；Room temperature cools down third preset time under impaction state, unloads part, completes processing.In the application will to the first single-piece using liquid nitrogen cooling be changed to the second single-piece using heating stove heat, using heating furnace mode of heating compared with using liquid nitrogen cooling by the way of can substantially reduce production cost.
Description
Technical field
The present invention relates to technical field of engines, more particularly to a kind of processing method of combustion box.
Background technology
HW companies model combustion box, size：φ 400mm × φ 70mm × 170mm, casing wall thickness：0.5-3mm,
Belong to Thin-Wall Outer Casing；The casing is assembled to obtain by the first smaller single-piece of diameter and the second single-piece being relatively large in diameter, and shape is not
Rule, poor structure rigidity, machinability are poor；Material hardness is high, and assembly interference volume is 0.5~0.65mm.
Currently, the assembly method of the first single-piece and the second single-piece is as follows：Second single-piece is fixed on the lower plate of fixture,
Lower plate is fixed on radial drilling machine workbench, and after the first single-piece is placed in liquid nitrogen cooling half an hour, rapid taking-up simultaneously will
First single-piece is fixed on the upper plate of fixture, and upper plate positioning cylinder is then made to be preset on lower plate location hole, using shaking
Upper plate under arm bit pressure that is, in the first one-piece unit to the second single-piece, completes combination.
But it is realized and is determined using the cooperation of location hole and positioning cylinder due to upper plate and lower plate in above-mentioned fixture
Position, the position fixing process may need multiple bearing just to can guarantee location hole and positioning cylinder cooperation, therefore, behaviour in assembling process
The property made is poor, and time-consuming, influences the liquid nitrogen cooling effect of the first single-piece, is unfavorable for the assembly of the first single-piece and the second single-piece.
In addition, using liquid nitrogen the first single-piece of cooling, the reduction volume of size is small at assembly, is unfavorable for assembling；And first is single
Part volume is larger, causes liquid nitrogen consumption high, production cost is high.
Therefore, a kind of processing method of combustion box how is provided, to reduce production cost.
Invention content
In view of this, the purpose of the present invention is to provide a kind of processing methods of combustion box, to reduce production cost.
To achieve the above object, the present invention provides the following technical solutions：
A kind of processing method of combustion box comprising step：
Second single-piece is put into heating furnace and is heated to 350 DEG C~400 DEG C and keeps the temperature the first preset time；
The upper plate of fixture is fixed on the pressure face of forcing press, and the upper plate and lower plate of positioning fixture；
First single-piece is fixed on the upper plate, and ensures that the first single-piece is located at the first predeterminated position；
The second single-piece after heating is taken out, lower plate is put into, and ensures that the second single-piece is located at the second predeterminated position, and second
Single-piece, which was taken out to the time for being located in lower plate, is no more than preset time, if the second single-piece is put back to heating furnace heat preservation the more than if
Two preset times；
After installing the second single-piece, start forcing press, upper plate is pressed into lower plate, keeps the first single-piece indentation second single
Part；
Room temperature cools down third preset time under impaction state, unloads part, completes processing.
Preferably, in above-mentioned processing method, the upper plate of the fixture connects positioning with lower plate by guide post.
Preferably, in above-mentioned processing method, guide sleeve is installed on the upper plate, is provided on the lower plate described
Guide post, the guide post can coordinate with the guide sleeve.
Preferably, in above-mentioned processing method, further include before positioning the upper plate and the lower plate：
Clear up the upper plate and the lower plate, and the bottom surface of the guide sleeve inner hole wall of the upper plate and lower plate with
And coating lubricating oil on the periphery of the guide post.
Preferably, in above-mentioned processing method, the upper plate and lower plate of the positioning fixture, including：
The pressure platform of point motor press, adjusts lower plate manually, and the guide post of the guide sleeve and lower plate that make upper plate coordinates,
Position of the lower plate in press bench face after label cooperation.
Preferably, in above-mentioned processing method, first preset time is 60-70 minutes；Second preset time
It is 5-15 minutes；Third preset time is 20-40 minutes.
Preferably, in above-mentioned processing method, the preset time is 2 minutes.
Preferably, in above-mentioned processing method, the pressure value that the forcing press is pressed to lower plate in upper plate is set as
9900-20000 newton, pressing speed are not more than 0.2 mm/second.
As can be seen from the above technical solutions, the processing method of combustion box disclosed in this invention comprising step：
Second single-piece is put into heating furnace and is heated, then the upper plate of fixture is fixed on the pressure face of forcing press, and locating clip
First single-piece is fixed on upper plate by the upper plate and lower plate of tool, ensures that the first single-piece is located at the first predeterminated position；It takes out and adds
The second single-piece after heat is put into lower plate, and ensures that the second single-piece is located at the second predeterminated position, and the second single-piece is taken out to positioning
It is no more than preset time in the time of lower plate, the second preset time is kept the temperature if the second single-piece is put back to heating furnace more than if；Peace
Start forcing press after installing the second single-piece, upper plate is pressed into lower plate, the first single-piece is made to be pressed into the second single-piece；In impaction state
Lower room temperature cools down third preset time, unloads part, completes processing.It will be to the first single-piece using liquid nitrogen cooling change in the application
For that the second single-piece use heating stove heat, can be substantially reduced in such a way that the mode of heating of heating furnace is cooled down compared with use liquid nitrogen
Production cost.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below to embodiment or existing
Attached drawing is briefly described needed in technology description, it is clear that, the accompanying drawings in the following description is only this hair
Bright embodiment for those of ordinary skill in the art without creative efforts, can also be according to carrying
The attached drawing of confession obtains other attached drawings.
Fig. 1 is a kind of flow chart of the processing method of combustion box disclosed in the embodiment of the present invention；
Fig. 2 is the front sectional view of the fixture cylinder disclosed in the embodiment of the present invention.
Specific implementation mode
In view of this, core of the invention is to provide a kind of processing method of combustion box, to reduce production cost.
In order to enable those skilled in the art to better understand the solution of the present invention, with reference to the accompanying drawings and detailed description
The present invention is described in further detail.
As depicted in figs. 1 and 2, the invention discloses a kind of processing method of combustion box, following steps are specifically included：
Step S1：Second single-piece is put into heating furnace and is heated to 350 DEG C~400 DEG C and keeps the temperature the first preset time.
Second single-piece is put into heating furnace, the temperature of heating furnace is set in 350 DEG C~400 DEG C, and by the second single-piece
The first preset time is kept the temperature in heating furnace, specifically, the first preset time be one 60-70 minutes.
Step S2：The upper plate of fixture is fixed on the pressure face of forcing press, and the upper plate of positioning fixture and bottom
Plate.
As shown in Fig. 2, the upper plate 1 and lower plate 2 to fixture position, ensure the first single-piece and the assembly of the second single-piece
Positional accuracy afterwards.In practice, can to upper plate 1 and lower plate 2 between the two be located through specific positioning method,
Such as mark position or utilization locating piece position, specifically, marking lower plate 2 in the position in press bench face with free ink pen
It sets.
Step S3：First single-piece is fixed on upper plate, and ensures that the first single-piece is located at the first predeterminated position.
First single-piece is fixed on upper plate 1, fixing piece or other fixation sides can be passed through for the fixation of the first single-piece
Formula needs the position for ensureing the first single-piece when being fixed to the first single-piece.
Step S4：The second single-piece after heating is taken out, lower plate is put into, and ensures that the second single-piece is located at the second default position
It sets, and the second single-piece is taken out to the time for being located in lower plate and is no more than preset time, adds if putting back to the second single-piece more than if
Hot stove keeps the temperature the second preset time.
After the second single-piece after heating, it is put into the second predeterminated position of lower plate 2 after taking-up, and by the second single-piece
The time of the positioning of lower plate 2 is put into after taking-up no more than preset time, to prevent the too low influence of the temperature of the second single-piece from assembling
Effect needs the second single-piece putting back to heating furnace the second preset time of heat preservation if being more than preset time.
Preferably, preset time is 2 minutes, and the second preset time is 5-15 minutes, specifically, may be selected 10 minutes.
Step S5：After installing the second single-piece, start forcing press, upper plate is pressed into lower plate, the first single-piece is made to be pressed into
Second single-piece.
The pressure value that forcing press can be pressed to lower plate 2 for the parameter of forcing press in upper plate 1 is set as 9900-
20000 newton, pressing speed are not more than 0.2 mm/second.
Step S6：Room temperature cools down third preset time under impaction state, unloads part, completes processing.
After the first single-piece and the second single-piece are assembled together, in order to ensure the stability of assembly, by the combustion after assembling
Room casing room temperature in the case where compressing stake state is burnt to cool down.In practice, third preset time is 20-40 minutes.
The first single-piece will be changed to the second single-piece using liquid nitrogen cooling using heating stove heat, using adding in the application
The mode of heating of hot stove can substantially reduce production cost compared with by the way of liquid nitrogen cooling.
In specific embodiment, the upper plate 1 of above-mentioned fixture connects positioning with lower plate 2 by guide post.Upper plate 1
It is provided with the guide sleeve coordinated with guide post with guide post another one is provided in 2 one of lower plate.It, will be upper in preferred embodiment
Guide post 4 is arranged on lower plate 2 for mounting guide sleeve 3 on bottom plate 1, and guide post 4 can coordinate with guide sleeve 3, realization upper plate 1
With the positioning of lower plate 2.When upper plate 1 is pressed to lower plate 2, upper plate 1 can be moved along guide post 4, to prevent upper bottom
Deviation occurs for plate 1 and 2 position of lower plate, improves the accuracy of assembly.
In preferred embodiment, further include before positioning upper plate 1 and lower plate 2：Upper plate 1 and lower plate 2 are cleared up,
And the coating lubricating oil on the periphery of the bottom surface and guide post 4 of 3 inner hole wall of the guide sleeve of upper plate 1 and lower plate 2, to reduce
Frictional dissipation.
The upper plate 1 and lower plate 2 of positioning fixture are specifically included：The pressure platform of point motor press, under adjusting manually
The guide post 4 of bottom plate 2, the guide sleeve 3 for making upper plate 1 and lower plate 2 coordinates, and the lower plate 2 after label cooperation works in forcing press
The position of table top.
Point motor press, gimmick is uneven, and the power for being applied to upper plate is consistent, avoids the occurrence of pressure not on earth or on fixture
Bottom plate 1 and 2 positioning element of lower plate be squeezed damage phenomena such as.
Each embodiment is described by the way of progressive in this specification, the highlights of each of the examples are with other
The difference of embodiment, just to refer each other for identical similar portion between each embodiment.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest range caused.
Claims (8)
1. a kind of processing method of combustion box, which is characterized in that including step：
Second single-piece is put into heating furnace and is heated to 350 DEG C~400 DEG C and keeps the temperature the first preset time；
The upper plate of fixture is fixed on the pressure face of forcing press, and the upper plate and lower plate of positioning fixture；
First single-piece is fixed on the upper plate, and ensures that the first single-piece is located at the first predeterminated position；
The second single-piece after heating is taken out, lower plate is put into, and ensures that the second single-piece is located at the second predeterminated position, and the second single-piece
It takes out to the time for being located in lower plate and is no more than preset time, it is pre- if the second single-piece is put back to heating furnace heat preservation second more than if
If the time；
After installing the second single-piece, start forcing press, upper plate is pressed into lower plate, the first single-piece is made to be pressed into the second single-piece；
Room temperature cools down third preset time under impaction state, unloads part, completes processing.
2. processing method according to claim 1, which is characterized in that the upper plate and lower plate of the fixture pass through guiding
Column connection positioning.
3. processing method according to claim 2, which is characterized in that be equipped with guide sleeve, the bottom on the upper plate
The guide post is provided on plate, the guide post can coordinate with the guide sleeve.
4. processing method according to claim 3, which is characterized in that before positioning the upper plate and the lower plate
Further include：
The upper plate and the lower plate are cleared up, and in the guide sleeve inner hole wall of the upper plate and the bottom surface of lower plate and institute
State coating lubricating oil on the periphery of guide post.
5. processing method according to claim 3, which is characterized in that the upper plate and lower plate of the positioning fixture, packet
It includes：
The pressure platform of point motor press, adjusts lower plate manually, and the guide post of the guide sleeve and lower plate that make upper plate coordinates, label
Position of the lower plate in press bench face after cooperation.
6. processing method according to claim 1, which is characterized in that first preset time is 60-70 minutes；It is described
Second preset time is 5-15 minutes；Third preset time is 20-40 minutes.
7. processing method according to claim 1, which is characterized in that the preset time is 2 minutes.
8. processing method according to claim 1, which is characterized in that the forcing press is pressed to lower plate in upper plate
Pressure value is set as 9900-20000 newton, and pressing speed is not more than 0.2 mm/second.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810863806.1A CN108637590A (en) | 2018-08-01 | 2018-08-01 | A kind of processing method of combustion box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810863806.1A CN108637590A (en) | 2018-08-01 | 2018-08-01 | A kind of processing method of combustion box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108637590A true CN108637590A (en) | 2018-10-12 |
Family
ID=63760508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810863806.1A Pending CN108637590A (en) | 2018-08-01 | 2018-08-01 | A kind of processing method of combustion box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108637590A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5430927A (en) * | 1993-07-06 | 1995-07-11 | Snyder Industries, Inc. | Double walled tank and method of making the same |
| CN102069367A (en) * | 2010-12-29 | 2011-05-25 | 东莞市龙基电子有限公司 | Method for manufacturing PTC radiating element |
| CN102489934A (en) * | 2011-11-28 | 2012-06-13 | 武汉船用机械有限责任公司 | Method for assembling extra-long bushings |
| CN105689964A (en) * | 2014-11-24 | 2016-06-22 | 安徽省小小科技实业有限责任公司 | Automatic oil jacket- squeezing device of hollow shaft |
| CN106271379A (en) * | 2016-08-26 | 2017-01-04 | 武汉船用机械有限责任公司 | A kind of bearing installation method |
-
2018
- 2018-08-01 CN CN201810863806.1A patent/CN108637590A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5430927A (en) * | 1993-07-06 | 1995-07-11 | Snyder Industries, Inc. | Double walled tank and method of making the same |
| CN102069367A (en) * | 2010-12-29 | 2011-05-25 | 东莞市龙基电子有限公司 | Method for manufacturing PTC radiating element |
| CN102489934A (en) * | 2011-11-28 | 2012-06-13 | 武汉船用机械有限责任公司 | Method for assembling extra-long bushings |
| CN105689964A (en) * | 2014-11-24 | 2016-06-22 | 安徽省小小科技实业有限责任公司 | Automatic oil jacket- squeezing device of hollow shaft |
| CN106271379A (en) * | 2016-08-26 | 2017-01-04 | 武汉船用机械有限责任公司 | A kind of bearing installation method |
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Application publication date: 20181012 |