CN109772926A - The production method of concrete conveying pipe - Google Patents
The production method of concrete conveying pipe Download PDFInfo
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- CN109772926A CN109772926A CN201811546281.5A CN201811546281A CN109772926A CN 109772926 A CN109772926 A CN 109772926A CN 201811546281 A CN201811546281 A CN 201811546281A CN 109772926 A CN109772926 A CN 109772926A
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Abstract
The present invention provides a kind of production methods of concrete conveying pipe, belong to field of mechanical technique.It is poor that it solves the problems, such as the prior art there is stability.The production method of this concrete conveying pipe, concrete conveying pipe include the internal tube body for cavity, this production method is the following steps are included: A, stock: selecting the carbon sheet being sized spare as blank；B, it heats: so that it is changed into austenite structure for 830-950 degrees Celsius the heating of above-mentioned blank；C, it forms: the blank after heating being placed at molding die, semi-finished product pipeline is obtained after mould punching；D, quench: above-mentioned semi-finished product pipeline, which is cooled to 200-280 degrees Celsius, makes it be changed into martensitic structure；E, it welds.The production method stability of this concrete conveying pipe is high.
Description
Technical field
The invention belongs to field of mechanical technique, are related to a kind of production method of concrete conveying pipe.
Background technique
In order to convey to coagulation soil stabilization, the relatively high metal delivery tubes road of intensity is generallyd use.
Existing conveyance conduit is usually an integral structure, and causes its difficulty of processing bigger in this way.Integral structure
Conveyance conduit generallys use casting technique production, and still, its yield rate of the conveyance conduit of casting technique is relatively low, leads to its production
It is at high cost
Summary of the invention
It is high the purpose of the present invention is in view of the above-mentioned problems existing in the prior art, providing a kind of simple for production and stability
The production method of concrete conveying pipe.
Object of the invention can be realized by the following technical scheme:
A kind of production method of concrete conveying pipe, concrete conveying pipe includes the internal tube body for cavity, special
Sign is, this production method the following steps are included:
A, it stocks up: selecting the carbon sheet being sized spare as blank；
B, it heats: so that it is changed into austenite structure for 830-950 degrees Celsius the heating of above-mentioned blank；
C, it forms: the blank after heating being placed at molding die, semi-finished product pipeline is obtained after mould punching；
D, quench: above-mentioned semi-finished product pipeline, which is cooled to 200-280 degrees Celsius, makes it be changed into martensitic structure；
E, it welds: the junction in semifinished tube road after cooling being welded, the concrete conveying pipe of tubulose is formed.
Raw material blank is first carried out corresponding heat treatment, the blank of austenite structure after heating by this production method creativeness
Its processability is relatively good.
After the blank of austenite structure is placed at molding die, by mold to its stable molding.
It is quenched immediately after molding, it is made to have relatively high hardness.
Finally the junction in semifinished tube road is welded, the concrete duct of tubulose is obtained after welding.
In the production method of above-mentioned concrete conveying pipe, the plate in the step A is high-carbon steel.
In the production method of above-mentioned concrete conveying pipe, molding die includes rack, fixation in the step C
Mould, movable mold and actuator, above-mentioned stent are connected on the rack and have recessed recess, above-mentioned driving on stent top
Part is connected on the rack, and actuator is connected with movable mold, has the forming part of protrusion in movable mold, when actuator drives movable mold
The molding cavity of arc can be formed embedded in indent and therebetween by moving down rear above-mentioned forming part.
Actuator is cylinder, and piston rod and the movable mold of cylinder are fixedly connected with.It can make movable mold phase in actuator action process
The upper and lower translation stable for stent, to realize die sinking and mould assembling action.
Flat blank can be shaped to arc under the action of recess and forming part.
In the production method of above-mentioned concrete conveying pipe, have inside stent close to recessed in the step C
The cooling duct at mouthful place, circulating pump is also fixed in above-mentioned rack, the circulating pump passes through connecting tube and above-mentioned cooling duct phase
Connection.
Cooling medium can be made in stent internal circulation flow under the action of circulating pump, thus to semifinished tube after molding
Road carries out stable quenching operation.
In the production method of above-mentioned concrete conveying pipe, circulating pump makes cooling medium in cooling in the step C
Channel internal circulation flow is quenched semifinished tube road by above-mentioned cooling medium, the drop during quenching treatment
Warm speed is 30-50 degrees seconds Celsius.
The hardness and internal intensity for improving semi-finished product pipeline can be stablized under the conditions of the cooling velocity.
In the production method of above-mentioned concrete conveying pipe, the hardness of semi-finished product pipeline is in the step D
1500Mpa—1800Mpa。
In the production method of above-mentioned concrete conveying pipe, the arc-shaped semi-finished product in section are obtained after the step D
Pipeline, the semi-finished product pipeline of two arcs is snapped together in the step E it is rear cylindrical, then by two semifinished tubes
The junction in road is welded, and cylindric concrete conveying pipe is finally obtained.
After two semicircular semi-finished product pipelines snap together, then welded in the junction of two semi-finished product pipelines
It connects, finally obtains cylindric concrete conveying pipe.
In the production method of above-mentioned concrete conveying pipe, the L-shaped semifinished tube in section is obtained after the step D
Road snaps together two L-shaped semi-finished product pipelines in square tube type in the step E, then by two semi-finished product pipelines
Junction is welded, and the concrete conveying pipe of square tube shape is finally obtained.
After the L-shaped semi-finished product pipeline in two sections snaps together, the junction of two semi-finished product pipelines is welded,
Finally obtain the concrete conveying pipe of square tube state.
In the production method of above-mentioned concrete conveying pipe, cylindrical semi-finished product pipeline is obtained after the step D
And there is the notch for extending to the other end by one end together in semi-finished product pipeline side, above-mentioned indentation, there is welded in step E
It connects, finally obtains cylindric concrete conveying pipe.
After side tool semi-finished product pipeline jaggy welds its indentation, there, cylindric concrete delivery pipe is obtained
Road.
In the production method of above-mentioned concrete conveying pipe, the concrete in cone tube shape is obtained after the step E
Conveyance conduit.
Such structure is avoided that concrete is blocked in concrete conveying pipe.
Compared with prior art, the production method of this concrete conveying pipe is changed into after austenite structure again due to blank
In-mold molding is put it into, can be also quenched immediately in forming process, obtains the coagulation of tubular after finally welding
Native conveyance conduit.As can be seen that above-mentioned operating efficiency is high, obtained finished product rate is high, and stability is high.
Specific embodiment
Embodiment one
Concrete conveying pipe includes the internal tube body for cavity.
The production method of this concrete conveying pipe the following steps are included:
A, it stocks up: selecting the carbon sheet being sized spare as blank.In the present embodiment, plate is high-carbon steel.
B, it heats: so that it is changed into austenite structure for 830 degrees Celsius the heating of above-mentioned blank；
C, it forms: the blank after heating being placed at molding die, semi-finished product pipeline is obtained after mould punching；
D, quench: above-mentioned semi-finished product pipeline, which is cooled to 200 degrees Celsius, makes it be changed into martensitic structure.
Molding die includes rack, stent, movable mold and actuator in the step C, and above-mentioned stent is connected in machine
There is recessed recess on frame and on stent top, above-mentioned actuator is connected on the rack, and actuator is connected with movable mold, living
There is the forming part of protrusion, when the forming part that actuator drives movable mold above-mentioned after moving down can be embedded in indent and two on dynamic model
The molding cavity of arc is formed between person.
Have inside stent in the step C close to the cooling duct of indent, is also fixed with and follows in above-mentioned rack
Ring pump, the circulating pump are connected by connecting tube with above-mentioned cooling duct.
Circulating pump makes cooling medium in cooling duct internal circulation flow in the step C, half-and-half by above-mentioned cooling medium
Finished product pipeline is quenched, and the cooling rate during quenching treatment is 30 degrees seconds Celsius.
The hardness of semi-finished product pipeline is 1500Mpa in the step D.
E, it welds: the junction in semifinished tube road after cooling being welded, the concrete conveying pipe of tubulose is formed.
The arc-shaped semi-finished product pipeline in section is obtained after the step D, by the semifinished tube of two arcs in the step E
Road snaps together rear cylindrical, then welds the junction of two semi-finished product pipelines, finally obtains cylindric
Concrete conveying pipe.
Raw material blank is first carried out corresponding heat treatment, the blank of austenite structure after heating by this production method creativeness
Its processability is relatively good.
After the blank of austenite structure is placed at molding die, by mold to its stable molding.
It is quenched immediately after molding, it is made to have relatively high hardness.
Finally the junction in semifinished tube road is welded, the concrete duct of tubulose is obtained after welding.
Embodiment two
Concrete conveying pipe includes the internal tube body for cavity.
The production method of this concrete conveying pipe the following steps are included:
A, it stocks up: selecting the carbon sheet being sized spare as blank.In the present embodiment, plate is high-carbon steel.
B, it heats: so that it is changed into austenite structure for 950 degrees Celsius the heating of above-mentioned blank；
C, it forms: the blank after heating being placed at molding die, semi-finished product pipeline is obtained after mould punching；
D, quench: above-mentioned semi-finished product pipeline, which is cooled to 280 degrees Celsius, makes it be changed into martensitic structure.
Molding die includes rack, stent, movable mold and actuator in the step C, and above-mentioned stent is connected in machine
There is recessed recess on frame and on stent top, above-mentioned actuator is connected on the rack, and actuator is connected with movable mold, living
There is the forming part of protrusion, when the forming part that actuator drives movable mold above-mentioned after moving down can be embedded in indent and two on dynamic model
The molding cavity of arc is formed between person.
Have inside stent in the step C close to the cooling duct of indent, is also fixed with and follows in above-mentioned rack
Ring pump, the circulating pump are connected by connecting tube with above-mentioned cooling duct.
Circulating pump makes cooling medium in cooling duct internal circulation flow in the step C, half-and-half by above-mentioned cooling medium
Finished product pipeline is quenched, and the cooling rate during quenching treatment is 50 degrees seconds Celsius.
The hardness of semi-finished product pipeline is 1800Mpa in the step D.
E, it welds: the junction in semifinished tube road after cooling being welded, the concrete conveying pipe of tubulose is formed.
The L-shaped semi-finished product pipeline in section is obtained after the step D, by two L-shaped semi-finished product pipelines in the step E
It snaps together in square tube type, then the junction of two semi-finished product pipelines is welded, finally obtains the coagulation of square tube shape
Native conveyance conduit.
Raw material blank is first carried out corresponding heat treatment, the blank of austenite structure after heating by this production method creativeness
Its processability is relatively good.
After the blank of austenite structure is placed at molding die, by mold to its stable molding.
It is quenched immediately after molding, it is made to have relatively high hardness.
Finally the junction in semifinished tube road is welded, the concrete duct of tubulose is obtained after welding.
Embodiment three
Concrete conveying pipe includes the internal tube body for cavity.
The production method of this concrete conveying pipe the following steps are included:
A, it stocks up: selecting the carbon sheet being sized spare as blank.In the present embodiment, plate is high-carbon steel.
B, it heats: so that it is changed into austenite structure for 890 degrees Celsius the heating of above-mentioned blank；
C, it forms: the blank after heating being placed at molding die, semi-finished product pipeline is obtained after mould punching；
D, quench: above-mentioned semi-finished product pipeline, which is cooled to 270 degrees Celsius, makes it be changed into martensitic structure.
Molding die includes rack, stent, movable mold and actuator in the step C, and above-mentioned stent is connected in machine
There is recessed recess on frame and on stent top, above-mentioned actuator is connected on the rack, and actuator is connected with movable mold, living
There is the forming part of protrusion, when the forming part that actuator drives movable mold above-mentioned after moving down can be embedded in indent and two on dynamic model
The molding cavity of arc is formed between person.
Have inside stent in the step C close to the cooling duct of indent, is also fixed with and follows in above-mentioned rack
Ring pump, the circulating pump are connected by connecting tube with above-mentioned cooling duct.
Circulating pump makes cooling medium in cooling duct internal circulation flow in the step C, half-and-half by above-mentioned cooling medium
Finished product pipeline is quenched, and the cooling rate during quenching treatment is 40 degrees seconds Celsius.
The hardness of semi-finished product pipeline is 1700Mpa in the step D.
E, it welds: the junction in semifinished tube road after cooling being welded, the concrete conveying pipe of tubulose is formed.
It obtains cylindrical semi-finished product pipeline after the step D and has in semi-finished product pipeline side to be extended by one end together
To the notch of the other end, above-mentioned indentation, there is welded in step E, finally obtains cylindric concrete conveying pipe.
The concrete conveying pipe in cone tube shape is obtained after the step E.
Raw material blank is first carried out corresponding heat treatment, the blank of austenite structure after heating by this production method creativeness
Its processability is relatively good.
After the blank of austenite structure is placed at molding die, by mold to its stable molding.
It is quenched immediately after molding, it is made to have relatively high hardness.
Finally the junction in semifinished tube road is welded, the concrete duct of tubulose is obtained after welding.
Claims (10)
1. a kind of production method of concrete conveying pipe, concrete conveying pipe includes the internal tube body for cavity, feature
Be, this production method the following steps are included:
A, it stocks up: selecting the carbon sheet being sized spare as blank；
B, it heats: so that it is changed into austenite structure for 830-950 degrees Celsius the heating of above-mentioned blank；
C, it forms: the blank after heating being placed at molding die, semi-finished product pipeline is obtained after mould punching；
D, quench: above-mentioned semi-finished product pipeline, which is cooled to 200-280 degrees Celsius, makes it be changed into martensitic structure；
E, it welds: the junction in semifinished tube road after cooling being welded, the concrete conveying pipe of tubulose is formed.
2. the production method of concrete conveying pipe according to claim 1, which is characterized in that the plate in the step A
Material is high-carbon steel.
3. the production method of concrete conveying pipe according to claim 2, which is characterized in that formed in the step C
Mold includes rack, stent, movable mold and actuator, and above-mentioned stent is connected on the rack and on stent top with recessed
The recess entered, above-mentioned actuator are connected on the rack, and actuator is connected with movable mold, have the forming part of protrusion in movable mold,
When the forming part that actuator drives movable mold above-mentioned after moving down can form the forming cavity of arc embedded in indent and therebetween
Body.
4. the production method of concrete conveying pipe according to claim 3, which is characterized in that fixed in the step C
Have inside mould close to the cooling duct of indent, is also fixed with circulating pump in above-mentioned rack, the circulating pump passes through connection
Pipe is connected with above-mentioned cooling duct.
5. the production method of concrete conveying pipe according to claim 4, which is characterized in that recycled in the step C
Pump makes cooling medium in cooling duct internal circulation flow, is quenched by above-mentioned cooling medium to semifinished tube road,
Cooling rate during quenching treatment is 30-50 degrees seconds Celsius.
6. the production method of concrete conveying pipe according to claim 5, which is characterized in that in the step D half at
The hardness in quality control road is 1500Mpa -1800Mpa.
7. the production method of concrete conveying pipe according to claim 6, which is characterized in that obtained after the step D
The arc-shaped semi-finished product pipeline in section, the semi-finished product pipeline of two arcs is snapped together in the step E it is rear cylindrical,
Then the junction of two semi-finished product pipelines is welded, finally obtains cylindric concrete conveying pipe.
8. the production method of concrete conveying pipe according to claim 6, which is characterized in that obtained after the step D
In square tube type, then the L-shaped semi-finished product pipeline in section snaps together two L-shaped semi-finished product pipelines in the step E
The junction of two semi-finished product pipelines is welded, the concrete conveying pipe of square tube shape is finally obtained.
9. the production method of concrete conveying pipe according to claim 6, which is characterized in that obtained after the step D
Cylindrical semi-finished product pipeline and there is the notch for extending to by one end the other end together in semi-finished product pipeline side, in step E
Above-mentioned indentation, there is welded, cylindric concrete conveying pipe is finally obtained.
10. the production method of concrete conveying pipe according to claim 6, which is characterized in that obtained after the step E
In the concrete conveying pipe of cone tube shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811546281.5A CN109772926A (en) | 2018-12-18 | 2018-12-18 | The production method of concrete conveying pipe |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811546281.5A CN109772926A (en) | 2018-12-18 | 2018-12-18 | The production method of concrete conveying pipe |
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| CN109772926A true CN109772926A (en) | 2019-05-21 |
Family
ID=66497115
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| CN201811546281.5A Pending CN109772926A (en) | 2018-12-18 | 2018-12-18 | The production method of concrete conveying pipe |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113373283A (en) * | 2021-03-22 | 2021-09-10 | 浙江智造热成型科技有限公司 | Method for manufacturing substrate in lifting device |
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Application publication date: 20190521 |
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