CN111974830A - Hot shaping repair process for iron drum in high-frequency heating state - Google Patents
Hot shaping repair process for iron drum in high-frequency heating state Download PDFInfo
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- CN111974830A CN111974830A CN201910439870.1A CN201910439870A CN111974830A CN 111974830 A CN111974830 A CN 111974830A CN 201910439870 A CN201910439870 A CN 201910439870A CN 111974830 A CN111974830 A CN 111974830A
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- iron
- barrel
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- rolling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D1/00—Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom; Stretching sheet metal combined with rolling
- B21D1/02—Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom; Stretching sheet metal combined with rolling by rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D1/00—Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom; Stretching sheet metal combined with rolling
- B21D1/06—Removing local distortions
- B21D1/065—Removing local distortions by hammering
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D1/00—Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom; Stretching sheet metal combined with rolling
- B21D1/06—Removing local distortions
- B21D1/08—Removing local distortions of hollow bodies made from sheet metal
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/16—Heating or cooling
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
Abstract
The invention provides a hot shaping repair process for an iron drum in a high-frequency heating state, which comprises the following steps of: pretreating, feeding into an edge finishing machine, rolling and finishing edges, hot forging and finishing edges, feeding into a shaping machine, searching and heating recesses, carrying out air pressure rolling and shaping, relieving pressure and finishing repairing; the invention utilizes the combined action of three points of stress formed by the lifting rotating wheel and the rotary rolling wheel of the edge-trimming machine, trims the iron barrel by matching with the process of softening the edge of the iron barrel by high-frequency heating, and trims the iron barrel by matching with the combined action of the inner nitrogen pressure, the outer rolling hammer pressure and the front and rear end clamping force of the iron barrel by the trimming machine and the process of scanning by an industrial camera and softening the dent of the iron barrel by high-frequency heating, wherein the one-time trimming and trimming process requires about 25 seconds, and the processes are all automatically finished without manual intervention, thereby greatly improving the working efficiency and the working safety.
Description
Technical Field
The invention relates to the field of repair processes, in particular to a hot shaping repair process for an iron drum in a high-frequency heating state.
Background
Iron drums are widely used throughout the world in daily life, storage, transportation and production processes, up to war. Even in first and second war, which even use the iron barrel as a military secret.
The petroleum exploitation quantity all over the world is also measured by 'barrels', and the great quantity and the universality of the use of the petroleum exploitation quantity are seen. At present, each country in the world sets up the own iron drum manufacturing standard, even the international standard. According to incomplete statistics, the usage amount of billions or even billions of iron barrels is counted every year all over the world. A large amount of harmful and harmless liquid and granular substances need to be frequently transported and mobilized to meet the daily life and production needs of people. The dead weight of 200L iron drum is 21.5 kg, so that thousands of tons of steel are needed to manufacture the iron drum every year all over the world. Billions of renminbi are spent on each 150-yuan price calculation. What is wasted resources if it is a one-time use. Moreover, the pollution and the harm to the environment caused by one-time use are huge, the renovation and the reuse of the old barrel can save considerable economic cost for enterprises, and the worldwide problem of how to reuse the iron barrel is solved, therefore, the invention provides the hot shaping and repairing process of the iron barrel in a high-frequency heating state, so as to solve the defects in the prior art.
Disclosure of Invention
Aiming at the problems, the invention provides a hot shaping and repairing process of an iron drum under a high-frequency heating state, which utilizes the combined action of three points of stress formed by a lifting rotating wheel and a rotary rolling wheel of an edge finishing machine, is matched with the process of softening the edge of the iron drum by high-frequency heating to finish the edge of the iron drum, and is matched with the process of scanning by an industrial camera and softening the dent of the iron drum by high-frequency heating to finish the iron drum by the combined action of the nitrogen pressure in the iron drum, the pressure of an external rolling hammer and the clamping force at the front end and the rear end of the iron drum through the shaping machine, so that the one-time shaping and edge finishing process needs about 25 seconds, and the processes are all automatically finished without manual intervention, thereby greatly improving the working efficiency and the working safety.
The invention provides a hot shaping repair process for an iron drum in a high-frequency heating state, which comprises the following steps of:
the method comprises the following steps: pretreatment of
Preparing an iron bucket needing to be shaped, cleaning the outside of the iron bucket, cleaning the inside of the iron bucket, cleaning off dust and rust attached to the surface of the iron bucket, then wiping off cleaning traces and cleaning media on the surface of the iron bucket, and placing the iron bucket on a conveyor belt;
Step two: is sent into an edge finishing machine
Conveying the iron drum pretreated in the step one to a turnover mechanism by a conveying belt, clamping and turning the iron drum by the turnover mechanism, and conveying the iron drum into an iron drum edge trimming machine;
step three: rolled edge finishing
After the photoelectric switch of the edge finishing machine detects that the iron bucket is in place, starting the left and right groups of lifting rotating wheels, enabling the lifting rotating wheels to move upwards under the action of a pneumatic cylinder to lift the iron bucket upwards, pushing the iron bucket to the position of a rotary rolling wheel of the edge finishing machine, enabling the rotary rolling wheels at the two ends to be close to the edge of the iron bucket, and repairing the radial deformation part of the iron bucket along the edge by the rotary rolling wheels under the combined action of three-point stress formed by the two groups of lifting rotating wheels and the rotary rolling wheels at the front and rear ends of the iron bucket in a rotary rolling manner;
step four: hot forging and pressing edge trimming
In the process of repairing the edge diameter of the iron barrel by rolling through the rotary rolling wheel in the fourth step, the high-frequency heating device is started to locally heat the front edge and the rear edge of the iron barrel so as to soften the edge of the iron barrel to recover the deformation and carry out hot forging and edge trimming;
step five: feeding into a shaping machine
After the trimming in the fourth step is finished, clamping and overturning the trimmed iron barrel by the overturning mechanism, and sending the trimmed iron barrel into a barrel body trimming machine;
step six: searching for pits and heating
After a photoelectric switch of the barrel body shaping machine detects that the iron barrel is in place, a feed motor is started to drive a screw rod to push a movable turntable to move slowly, the movable turntables on the two sides tightly press the iron barrel and rotate, meanwhile, three industrial cameras on a protective cover of the barrel body shaping machine take pictures to retrieve whether the defect of the depression exceeding the specification exists in the corresponding area of the barrel body, and if the defect of the depression exceeding the specification exists, a corresponding high-frequency heater is started to heat the area so as to soften the iron sheet at the depression;
step seven: shaping by air pressure rolling
When the sixth step is heated and softened, the movable turntable is used for pressing a barrel opening tightly, compressed nitrogen is injected into the iron barrel through the movable turntable through the cyclone adapter, so that the inner wall of the iron barrel expands outwards, then six rolling hammers are used for driving the two sides of the iron barrel to descend and roll, the pressure of the rolling hammers is added to the nitrogen pressure in the barrel, and the concave part of the iron barrel recovers to be a prototype under the combined action of the clamping force of the movable turntable at the front end and the rear end of the iron barrel;
step eight: relieving pressure
After finishing shaping, discharging compressed nitrogen in the barrel by the electric contact pressure gauge within a specified time, lifting the rolling hammer away from the barrel body under the drive of the cylinder, and moving the turntable to loosen the compression on the end surface of the iron barrel;
Step nine: end of repair
And (5) clamping, overturning and sending out the iron drum in the step eight by the overturning mechanism, and finishing the shaping and trimming processes.
The further improvement lies in that: in the first step, the cleaning mode of the iron bucket is one of water washing, friction polishing and laser cleaning.
The further improvement lies in that: in the third step and the fourth step, the overall edge finishing processing time is 9-12 seconds.
The further improvement lies in that: in the sixth step and the seventh step, the processing time of the overall shaping is 10-15 seconds.
The further improvement lies in that: and seventhly, lowering and rolling the two sides of the iron barrel by utilizing six rolling hammers under the driving of the cylinder 2-3 seconds after heating and softening.
The further improvement lies in that: and seventhly, if the pressure of the nitrogen exceeds a specified value or the combustible gas is detected to exceed the standard in the shaping process, the electric contact pressure gauge opens the pressure release valve to quickly release the over-pressure nitrogen, and meanwhile, the gas detection device cuts off the power supply of the equipment.
The further improvement lies in that: and in the step eight, after the shaping is finished, discharging the compressed nitrogen in the barrel within 2-3 seconds by using the electric contact pressure gauge.
The invention has the beneficial effects that: the invention utilizes the combined action of three points of stress formed by the lifting rotating wheel and the rotary rolling wheel of the edge-trimming machine, trims the iron barrel by matching with the process of softening the edge of the iron barrel by high-frequency heating, and trims the iron barrel by matching with the combined action of the inner nitrogen pressure, the outer rolling hammer pressure and the front and rear end clamping force of the iron barrel by the trimming machine and the process of scanning by an industrial camera and softening the dent of the iron barrel by high-frequency heating, the one-time trimming and trimming process requires about 25 seconds, and the processes are all automatically finished without manual intervention, thereby greatly improving the working efficiency and the working safety, the one set of the device can exceed the semi-manual working efficiency of dozens of people, the renovating quality is incomparable to the semi-manual working, and the invention reduces the abandonment and stacking of scrapped iron barrels, avoids the phenomenon of leakage, saves resources, reduces the environmental pollution and is beneficial to protecting the environment, the method has the advantages that the unlimited utilization of limited resources is realized, the cost of renovating the iron drum is only one third of the cost of newly manufacturing the iron drum, and a large amount of cost expenditure is saved for enterprises using the iron drum.
Drawings
FIG. 1 is a flow chart of the preparation process of the present invention.
Detailed Description
In order to make the technical means, objectives and functions of the invention easy to understand, the invention will be further described with reference to the following embodiments.
As shown in fig. 1, the embodiment provides a thermal shaping repair process for an iron drum in a high-frequency heating state, which specifically comprises the following steps:
the method comprises the following steps: pretreatment of
Preparing an iron bucket needing to be shaped, cleaning the outside of the iron bucket by utilizing laser cleaning, cleaning the inside of the iron bucket, cleaning off dust and rust attached to the surface of the iron bucket, then erasing cleaning traces and cleaning media on the surface of the iron bucket, and placing the iron bucket on a conveyor belt;
step two: is sent into an edge finishing machine
Conveying the iron drum pretreated in the step one to a turnover mechanism by a conveying belt, clamping and turning the iron drum by the turnover mechanism, and conveying the iron drum into an iron drum edge trimming machine;
step three: rolled edge finishing
After the photoelectric switch of the edge finishing machine detects that the iron bucket is in place, starting the left and right groups of lifting rotating wheels, enabling the lifting rotating wheels to move upwards under the action of a pneumatic cylinder to lift the iron bucket upwards, pushing the iron bucket to the position of a rotary rolling wheel of the edge finishing machine, enabling the rotary rolling wheels at two ends to be close to the edge of the iron bucket, enabling the front and rear ends of the iron bucket to be combined under the three-point stress action of the two groups of lifting rotating wheels and the rotary rolling wheel, repairing the radial deformation part of the edge of the iron bucket by the rotary rolling wheel in a rotary rolling manner, and enabling the overall processing time of the edge finishing machine to be 10 seconds;
Step four: hot forging and pressing edge trimming
In the process of repairing the edge diameter of the iron barrel by rolling through the rotary rolling wheel in the fourth step, the high-frequency heating device is started to locally heat the front edge and the rear edge of the iron barrel so as to soften the edge of the iron barrel to recover the deformation and carry out hot forging and edge trimming;
step five: feeding into a shaping machine
After the trimming in the fourth step is finished, clamping and overturning the trimmed iron barrel by the overturning mechanism, and sending the trimmed iron barrel into a barrel body trimming machine;
step six: searching for pits and heating
After a photoelectric switch of the barrel body shaping machine detects that the iron barrel is in place, a feed motor is started to drive a screw rod to push a movable turntable to move slowly, the movable turntables on the two sides tightly press the iron barrel and rotate, meanwhile, three industrial cameras on a protective cover of the barrel body shaping machine take pictures to retrieve whether the defect of the depression exceeding the specification exists in the corresponding area of the barrel body, and if the defect of the depression exceeding the specification exists, a corresponding high-frequency heater is started to heat the area so as to soften the iron sheet at the depression;
step seven: shaping by air pressure rolling
When the sixth step is heated and softened, the movable rotary table is used for pressing a barrel opening tightly, compressed nitrogen is injected into the iron barrel through the movable rotary table through the cyclone adapter, the inner wall of the iron barrel expands outwards, 2 seconds after heating and softening are carried out, six rolling hammers are used for descending and rolling two sides of the iron barrel under the driving of the cylinder, the nitrogen pressure in the barrel is added with the pressure of the rolling hammers, the sunken part of the iron barrel recovers to be a prototype under the combined action of the clamping force of the movable rotary tables at the front end and the rear end of the iron barrel, the overall shaping processing time is 15 seconds, if the nitrogen pressure exceeds a specified value in the shaping process, or the exceeding standard of combustible gas is detected, the electric contact pressure gauge opens the pressure release valve to quickly discharge the overpressure nitrogen, and meanwhile;
Step eight: relieving pressure
After the shaping is finished, discharging compressed nitrogen in the barrel within 3 seconds by using an electric contact pressure gauge, lifting a rolling hammer away from the barrel body under the driving of a cylinder, and moving a turntable to loosen the compression on the end surface of the iron barrel;
step nine: end of repair
And (5) clamping, overturning and sending out the iron drum in the step eight by the overturning mechanism, and finishing the shaping and trimming processes.
The invention utilizes the combined action of three points of stress formed by the lifting rotating wheel and the rotary rolling wheel of the edge-trimming machine, trims the iron barrel by matching with the process of softening the edge of the iron barrel by high-frequency heating, and trims the iron barrel by matching with the combined action of the inner nitrogen pressure, the outer rolling hammer pressure and the front and rear end clamping force of the iron barrel by the trimming machine and the process of scanning by an industrial camera and softening the dent of the iron barrel by high-frequency heating, the one-time trimming and trimming process requires about 25 seconds, and the processes are all automatically finished without manual intervention, thereby greatly improving the working efficiency and the working safety, the one set of the device can exceed the semi-manual working efficiency of dozens of people, the renovating quality is incomparable to the semi-manual working, and the invention reduces the abandonment and stacking of scrapped iron barrels, avoids the phenomenon of leakage, saves resources, reduces the environmental pollution and is beneficial to protecting the environment, the method has the advantages that the unlimited utilization of limited resources is realized, the cost of renovating the iron drum is only one third of the cost of newly manufacturing the iron drum, and a large amount of cost expenditure is saved for enterprises using the iron drum.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. A hot plastic repair technology of an iron drum in a high-frequency heating state is characterized in that: the method comprises the following steps:
the method comprises the following steps: pretreatment of
Preparing an iron bucket needing to be shaped, cleaning the outside of the iron bucket, cleaning the inside of the iron bucket, cleaning off dust and rust attached to the surface of the iron bucket, then wiping off cleaning traces and cleaning media on the surface of the iron bucket, and placing the iron bucket on a conveyor belt;
step two: is sent into an edge finishing machine
Conveying the iron drum pretreated in the step one to a turnover mechanism by a conveying belt, clamping and turning the iron drum by the turnover mechanism, and conveying the iron drum into an iron drum edge trimming machine;
step three: rolled edge finishing
After the photoelectric switch of the edge finishing machine detects that the iron bucket is in place, starting the left and right groups of lifting rotating wheels, enabling the lifting rotating wheels to move upwards under the action of a pneumatic cylinder to lift the iron bucket upwards, pushing the iron bucket to the position of a rotary rolling wheel of the edge finishing machine, enabling the rotary rolling wheels at the two ends to be close to the edge of the iron bucket, and repairing the radial deformation part of the iron bucket along the edge by the rotary rolling wheels under the combined action of three-point stress formed by the two groups of lifting rotating wheels and the rotary rolling wheels at the front and rear ends of the iron bucket in a rotary rolling manner;
Step four: hot forging and pressing edge trimming
In the process of repairing the edge diameter of the iron barrel by rolling through the rotary rolling wheel in the fourth step, the high-frequency heating device is started to locally heat the front edge and the rear edge of the iron barrel so as to soften the edge of the iron barrel to recover the deformation and carry out hot forging and edge trimming;
step five: feeding into a shaping machine
After the trimming in the fourth step is finished, clamping and overturning the trimmed iron barrel by the overturning mechanism, and sending the trimmed iron barrel into a barrel body trimming machine;
step six: searching for pits and heating
After a photoelectric switch of the barrel body shaping machine detects that the iron barrel is in place, a feed motor is started to drive a screw rod to push a movable turntable to move slowly, the movable turntables on the two sides tightly press the iron barrel and rotate, meanwhile, three industrial cameras on a protective cover of the barrel body shaping machine take pictures to retrieve whether the defect of the depression exceeding the specification exists in the corresponding area of the barrel body, and if the defect of the depression exceeding the specification exists, a corresponding high-frequency heater is started to heat the area so as to soften the iron sheet at the depression;
step seven: shaping by air pressure rolling
When the sixth step is heated and softened, the movable turntable is used for pressing a barrel opening tightly, compressed nitrogen is injected into the iron barrel through the movable turntable through the cyclone adapter, so that the inner wall of the iron barrel expands outwards, then six rolling hammers are used for driving the two sides of the iron barrel to descend and roll, the pressure of the rolling hammers is added to the nitrogen pressure in the barrel, and the concave part of the iron barrel recovers to be a prototype under the combined action of the clamping force of the movable turntable at the front end and the rear end of the iron barrel;
Step eight: relieving pressure
After finishing shaping, discharging compressed nitrogen in the barrel by the electric contact pressure gauge within a specified time, lifting the rolling hammer away from the barrel body under the drive of the cylinder, and moving the turntable to loosen the compression on the end surface of the iron barrel;
step nine: end of repair
And (5) clamping, overturning and sending out the iron drum in the step eight by the overturning mechanism, and finishing the shaping and trimming processes.
2. The process according to claim 1, wherein the hot shaping and repairing process for the iron bucket under the high-frequency heating state comprises the following steps: in the first step, the cleaning mode of the iron bucket is one of water washing, friction polishing and laser cleaning.
3. The process according to claim 1, wherein the hot shaping and repairing process for the iron bucket under the high-frequency heating state comprises the following steps: in the third step and the fourth step, the overall edge finishing processing time is 9-12 seconds.
4. The process according to claim 1, wherein the hot shaping and repairing process for the iron bucket under the high-frequency heating state comprises the following steps: in the sixth step and the seventh step, the processing time of the overall shaping is 10-15 seconds.
5. The process according to claim 1, wherein the hot shaping and repairing process for the iron bucket under the high-frequency heating state comprises the following steps: and seventhly, lowering and rolling the two sides of the iron barrel by utilizing six rolling hammers under the driving of the cylinder 2-3 seconds after heating and softening.
6. The process according to claim 1, wherein the hot shaping and repairing process for the iron bucket under the high-frequency heating state comprises the following steps: and seventhly, if the pressure of the nitrogen exceeds a specified value or the combustible gas is detected to exceed the standard in the shaping process, the electric contact pressure gauge opens the pressure release valve to quickly release the over-pressure nitrogen, and meanwhile, the gas detection device cuts off the power supply of the equipment.
7. The process according to claim 1, wherein the hot shaping and repairing process for the iron bucket under the high-frequency heating state comprises the following steps: and in the step eight, after the shaping is finished, discharging the compressed nitrogen in the barrel within 2-3 seconds by using the electric contact pressure gauge.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910439870.1A CN111974830A (en) | 2019-05-24 | 2019-05-24 | Hot shaping repair process for iron drum in high-frequency heating state |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910439870.1A CN111974830A (en) | 2019-05-24 | 2019-05-24 | Hot shaping repair process for iron drum in high-frequency heating state |
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| CN111974830A true CN111974830A (en) | 2020-11-24 |
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| CN201910439870.1A Pending CN111974830A (en) | 2019-05-24 | 2019-05-24 | Hot shaping repair process for iron drum in high-frequency heating state |
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| CN105344841A (en) * | 2015-10-30 | 2016-02-24 | 鹰普（中国）有限公司 | Heating shaping method |
| CN109676318A (en) * | 2018-12-17 | 2019-04-26 | 湖北爱国石化有限公司 | A kind of renovation treatment process of closed metal drum |
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2019
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| JP2006070343A (en) * | 2004-09-03 | 2006-03-16 | Neturen Heattreat Corporative Ltd | High frequency heat treatment method and high frequency heat treatment device |
| CN201211535Y (en) * | 2008-05-07 | 2009-03-25 | 谭德庆 | Closed metal pail full-automatic shaper |
| CN201211542Y (en) * | 2008-05-07 | 2009-03-25 | 谭德庆 | Metal pail full-automatic bunghole shaper |
| CN102407252A (en) * | 2010-09-25 | 2012-04-11 | 潘洪海 | Equipment and method for repairing large iron drum |
| CN203917486U (en) * | 2014-04-04 | 2014-11-05 | 谭德庆 | Automatically upload the large pinch roller metal bucket of dynamic formula bung trimmer |
| CN203955775U (en) * | 2014-04-22 | 2014-11-26 | 谭德庆 | The full-automatic large pinch roller metal bucket of lower-drive type bung trimmer |
| CN204234515U (en) * | 2014-11-14 | 2015-04-01 | 中国石油集团渤海石油装备制造有限公司 | Steel pipe caliber prosthetic device |
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