CN105583397B - A kind of non-heated automatic pouring machine - Google Patents
A kind of non-heated automatic pouring machine Download PDFInfo
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- CN105583397B CN105583397B CN201610168683.0A CN201610168683A CN105583397B CN 105583397 B CN105583397 B CN 105583397B CN 201610168683 A CN201610168683 A CN 201610168683A CN 105583397 B CN105583397 B CN 105583397B
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- China
- Prior art keywords
- laser
- scarfing cinder
- stopper rod
- automatic
- cast
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D39/00—Equipment for supplying molten metal in rations
- B22D39/02—Equipment for supplying molten metal in rations having means for controlling the amount of molten metal by volume
- B22D39/026—Equipment for supplying molten metal in rations having means for controlling the amount of molten metal by volume using a ladler
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
Abstract
The invention discloses a kind of non-heated automatic pouring machine, including laser sensing system, automatic current-following inoculation system, control system, weighing system, hydraulic system, laser generator device, cast packing device, slag cleaning device, stopper rod device and travel mechanism.The device is reasonable in design, and with the liquid level situation of change of real-time detection pyrosol, and liquid level variable signal reliably can be continuously exported by laser sensing system, can be accurately controlled stopper rod, and sprue cup liquid level can be controlled accurately；Realize when sprue cup change in location, the function of casting machine Automatic-searching sprue cup；The device significantly reduces the labour intensity of workman, it is to avoid because long-time checks injury of the metallic solution of high temperature and high brightness to eyes, realizes real unattended；The arrangement increases the stability of product, greatly reduce causes the waste of a large amount of metallic solutions due to artificial operation, has saved cost, improves production efficiency so as to improve economic benefit.
Description
Technical field
The present invention relates to a kind of apparatus for pouring, specifically a kind of non-heated automatic pouring machine.
Background technology
Casting machine be exactly melt metallic solution pour into a container, then poured into by container of tumbling or by control
Container bottom osseotomy site is flowed into the mould form come by moulding machine conveying, controls to flow into model in casting process
The flow velocity of metallic solution and time in chamber, so that ensure that the liquid level in sprue cup keeps constant in certain liquid level, continuous cast.
Do not owe to pour, stop the machine poured into a mould and overflow.Existing casting machine general control mode is manual or semiautomatic fashion, is passed through
Control stopper rod lifts the flow velocity of the tilt angle control metallic solution of closing or the turn-up mechanism that inclines and is poured into a mould manually.Cast manually
Mode is that operating personnel control the flow velocity lifted to control metallic solution to enter in mould form of stopper rod by controlling control stick
And flow, the shortcoming of manual pouring type is slow poring rate, and control process is unstable, what workman constantly repeated for thousands of daily times
Mechanical action, workman easily produces fatigue, cast easily occurs and owes to pour, stops and pour into a mould and pour into a mould the problems such as overflowing, and is easily caused
Product quality is unstable, wastes a large amount of metallic solutions.Semi-automatic pouring type is the manual control operation when the first model is poured into a mould
Handle is poured into a mould, at the same in the controls duplicated record this time in casting process operation handle running orbit, the first model pours
After note is finished, going to the i.e. mechanically running orbit control stopper rod for replicating operation handle of semiautomatic-mode carries out automatic casting,
The participation of very important person is not required in a period of time, although this pattern can mitigate operating personnel part labour intensity, due to machinery
The action for replicating cast for the first time, when the liquid level in cast container changes, or cast bore premature becomes big or product
In the case that tired residue diminishes, the flow and flow velocity of cast can be influenceed, do not poured in certain duration of pouring completely so as to be appeared in
Or the problems such as spilling, influence the stability of the quality of product.
The content of the invention
It is an object of the invention to provide a kind of non-heated automatic pouring machine, with asking for solving to propose in above-mentioned background technology
Topic.
To achieve the above object, the present invention provides following technical scheme：
A kind of non-heated automatic pouring machine, including laser sensing system, automatic current-following inoculation system, control system, weigh
System, hydraulic system, laser generator device, cast packing device, slag cleaning device, stopper rod device and travel mechanism, the shifting
Motivation structure includes left/right movement device and movable mechanism, and weighing system includes four weighing sensors being arranged on column
With the weighing controller in control room, laser sensing system, automatic current-following inoculation system, weighing system, hydraulic system, laser hair
Raw device device, cast packing device, slag cleaning device, stopper rod device and travel mechanism are installed on four columns, are moved forward and backward
Mechanism is located on column and movable mechanism is located at the top of weighing system, and cast packing device is located at left/right movement device
Above and be placed on the position of middle, slag cleaning device and stopper rod device are arranged on the interposition behind left/right movement device
Put, the both sides for pouring into a mould packing device are provided with laser generator device and laser sensing system, and laser sensing system and laser are sent out
Raw device device composition laser liquid-level measuring system, control system is located at the rearmost of cast packing device, pours into a mould packing device bag
Support base, mould, housing and sprue gate are included, three support bases are welded on housing, and sprue gate is placed on by three support bases
On three alignment pins in the centre position of left/right movement device, mould is fixed in housing, the space between mould and housing
Interior injection refractory material, hydraulic system is placed on the stationary platform, the oil pipe of hydraulic system respectively with pour clad and tilting mechanism
Oil cylinder be connected, automatic current-following inoculation system is fixed on above left/right movement device, is bred in automatic current-following inoculation system
The discharge tip of pipe extends to sprue gate lower section, and stopper rod device includes driver, stopper rod clamping limb and stopper rod clamping device, drives
Device includes servomotor, timing belt pulley, synchronous belt, ball screw, drive shaft, limit switch, sensing set and drive connection
Plate, servomotor be arranged on drive connection plate on side, ball screw be arranged on drive connection plate opposite side, servomotor and
A timing belt pulley is respectively installed in the shaft end of ball screw, and motor driving force, the bearing of ball screw are transmitted by synchronous belt
Together with flange passes through screw connection with drive shaft, stopper rod clamping limb is screwed with the top of drive shaft, stopper rod clamping limb
Front end have one for lock half-open nut apparatus and a retaining mechanism.
As further scheme of the invention：Slag cleaning device include scarfing cinder cylinder, scarfing cinder bar, scarfing cinder arm, scarfing cinder support column,
Scarfing cinder safety door and Pneumatic control cabinet, scarfing cinder cylinder are stood upside down and are arranged on scarfing cinder arm, and scarfing cinder cylinder is supported using scarfing cinder support column,
The scarfing cinder of scarfing cinder cylinder is acted by Pneumatic solenoid valves control.
As further scheme of the invention：Laser sensing system includes laser sensor, water(-cooling) jacket, laser water cooling unit
And blower fan, the optical source wavelength of laser transmitter projects is 532nm or 450nm, and laser sensor is internally provided with camera lens, filters
Piece, receive mirror, speculum, signal processing control circuit plate and intelligent industrial camera.
As further scheme of the invention：Automatic current-following inoculation system include hopper, tachogenerator, blowning installation,
Direct current generator, incremental encoder, electric machine controller, pressure sensor, flow sensor and level sensor control system.
As further scheme of the invention：Left/right movement device and movable mechanism are driven using motor or oil cylinder
Dynamic and left/right movement device is placed on movable mechanism.
Compared with prior art, the beneficial effects of the invention are as follows：The device is reasonable in design, can be with by laser sensing system
The liquid level situation of change of real-time detection pyrosol, and reliable continuous output liquid level variable signal is by control system, can essence
True control stopper rod, sprue cup liquid level can be controlled accurately；Realize when sprue cup change in location, casting machine is automatic
Find the function of sprue cup, i.e. automatic positioning function；The device significantly reduces the labour intensity of workman, it is to avoid due to it is long when
Between check injury of the metallic solution of high temperature and high brightness to eyes, realize real unattended；The arrangement increases product
The stability of product, greatly reduce causes the waste of a large amount of metallic solutions due to artificial operation, has saved cost, improves life
Efficiency is produced so as to improve economic benefit, using effect is good.
Brief description of the drawings
Fig. 1 is the front view of non-heated automatic pouring machine.
Fig. 2 is the side view of non-heated automatic pouring machine.
Fig. 3 is the structural representation of cast packing device in non-heated automatic pouring machine.
Fig. 4 is the structural representation of slag cleaning device and stopper rod device in non-heated automatic pouring machine.
Fig. 5 is the structural representation of driver in non-heated automatic pouring machine.
Fig. 6 is the structural representation of automatic current-following inoculation system in non-heated automatic pouring machine.
Wherein：1- laser sensing systems, the automatic current-following inoculation systems of 2-, 3- control systems, 4- weighing systems, 5- hydraulic pressure systems
System, 6- left/right movement devices, 7- laser generator devices, 8- cast packing devices, 9- slag cleaning devices, 10- stopper rod devices, 11-
Movable mechanism, 12- housings, 13- moulds, 14- support bases, 15- sprue gates, 16- scarfing cinder cylinders, 17- scarfing cinder bars, 18- is clear
Slag arm, 19- scarfing cinder support columns, 20- scarfing cinder safety doors, 21- Pneumatic control cabinets, 22- drivers, 23- stopper rod clamping limbs, 24- plugs
Bar clamping device, 25- servomotors, 26- timing belt pulleys, 27- synchronous belts, 28- ball screws, 29- drive shafts, 30- limits
Bit switch, 31- sensing sets, 32- drive connection plates, 33- hoppers, 34- tachogenerators, 35- blowning installations, 36- direct current generators,
37- incremental encoders, 38- electric machine controllers, 39- pressure sensors, 40- flow sensors, 41- level sensors control system
System.
Specific embodiment
The technical scheme of this patent is described in more detail with reference to specific embodiment.
Refer to Fig. 1-6, a kind of non-heated automatic pouring machine, including laser sensing system 1, automatic current-following inoculation system 2,
Control system 3, weighing system 4, hydraulic system 5, laser generator device 7, cast packing device 8, slag cleaning device 9, stopper rod dress
10 and travel mechanism are put, the travel mechanism includes left/right movement device 6 and movable mechanism 11, and weighing system 4 includes four
Weighing controller in individual weighing sensor and control room on column, laser sensing system 1, automatic current-following inoculation system
System 2, weighing system 4, hydraulic system 5, laser generator device 7, cast packing device 8, slag cleaning device 9, the and of stopper rod device 10
Travel mechanism is installed on four columns, and movable mechanism 11 is located on column and movable mechanism 11 is located at and weighs
The top of system 4, cast packing device 8 is located above left/right movement device 6 and is placed on the position of middle, slag cleaning device
9 and stopper rod device 10 be arranged on left/right movement device 6 behind centre position, pour into a mould packing device 8 both sides be provided with laser
Generating apparatus 7 and laser sensing system 1, laser sensing system 1 and the composition laser liquid-level measurement of laser generator device 7 system
System, control system 3 is located at the rearmost of cast packing device 8, and cast packing device 8 includes support base 14, mould 13, housing 12
With sprue gate 15, three support bases 14 are welded on housing 12, and sprue gate 15 is placed on by three support bases 14 and moved left and right
On three alignment pins in the centre position of mechanism 6, mould 13 is fixed in housing 12, the space between mould 13 and housing 12
Interior injection refractory material, hydraulic system 5 is placed on the stationary platform, the oil pipe of hydraulic system 5 respectively with pour clad and tumbler
The oil cylinder of structure is connected, and automatic current-following inoculation system 2 is fixed on above left/right movement device 6, in automatic current-following inoculation system 2
The discharge tip for breeding pipe extends to the lower section of sprue gate 15, and stopper rod device 10 includes driver 22, stopper rod clamping limb 23 and stopper rod
Clamping device 24, driver 22 includes servomotor 25, timing belt pulley 26, synchronous belt 27, ball screw 28, drive shaft
29th, limit switch 30, sensing set 31 and drive connection plate 32, servomotor 25 are arranged on the side on drive connection plate 32, rolling
Ballscrew 28 is arranged on the opposite side of drive connection plate 32, the synchronous skin of each installation one in the shaft end of servomotor 25 and ball screw 28
Belt wheel 26, motor driving force is transmitted by synchronous belt 27, and bearing flange and the drive shaft 29 of ball screw 28 are connected by screw
It is connected together, stopper rod clamping limb 23 is screwed with the top of drive shaft 29, the front end of stopper rod clamping limb 23 has one for locking
Tight half-open nut apparatus and a retaining mechanism.Slag cleaning device 9 includes scarfing cinder cylinder 16, scarfing cinder bar 17, scarfing cinder arm 18, scarfing cinder
Support column 19, scarfing cinder safety door 20 and Pneumatic control cabinet 21, scarfing cinder cylinder 16 stand upside down and are arranged on scarfing cinder arm 18, scarfing cinder cylinder 16
Supported using scarfing cinder support column 19, the scarfing cinder of scarfing cinder cylinder 16 is acted by Pneumatic solenoid valves control.Laser sensing system bag
Include laser sensor, water(-cooling) jacket, laser water cooling unit and blower fan, the optical source wavelength of laser transmitter projects for 532nm or
450nm, laser sensor is internally provided with camera lens, optical filter, receive mirror, speculum, signal processing control circuit plate and intelligence
Industrial camera.Automatic current-following inoculation system 2 includes hopper 33, tachogenerator 34, blowning installation 35, direct current generator 36, increment
Encoder 37, electric machine controller 38, pressure sensor 39, flow sensor 40 and level sensor control system 41.Left and right is moved
Motivation structure 6 and movable mechanism 11 are placed on movable using motor or hydraulic oil cylinder driving and left/right movement device 6
On mechanism 11.Laser liquid-level measuring system is placed on the cast both sides of packing device 8 and with model face in 45 degree of angles, laser liquid
Level measuring system is with sprue cup on same vertical center line.
Operation principle of the invention is：When cast is needed, moulding machine releases empty sand mold and in course of conveying, swashs
Optical sensor system 1 sends dot laser to detect sprue cup position, and after sprue cup is found, dot laser is closed, and then laser occurs
Device device 7 is opened and launches laser rays, and reflection laser line enters laser sensing system 1, checks whether sprue cup is normal, if
Sprue cup position shifts with pouring mouth place-centric and then stops cast, and into the program that is automatically positioned, system issues instructions to a left side
Move right mechanism 6 and move left and right the sprue cup central alignment made on the pouring mouth of cast packing device 8 and sand mold, left/right movement device
6 have displacement transducer to carry out real-time detection pours mouth position, while moulding machine can provide the signal of sand mold position, by comparing two letters
Number determine whether pouring mouth aligns with the position of sprue cup, poured into a mould after position adjustment, if site error is allowing cast
In the range of then can directly be poured into a mould, without being positioned.Check whether scarfing cinder function opens after being poured, if opening
Carry out scarfing cinder operation, scarfing cinder finish after automatically into next model cast, can directly enter automatically if not activating
The cast of next model, is poured rear line laser and closes.Casting process be divided into start cast, intermediate loop and cast knot
Beam, be in control, level curve value and the duration of pouring in pre-set sprue cup in 3, by setting stopper rod offset value simultaneously
Compare to control the beginning of cast with stopper rod physical location, when liquid level is increased to certain altitude in sprue cup, that is, when
When the laser rays that laser generator device 7 sends reflexes to laser sensing system 1 by liquid level, into the middle of cast second stage
Control section, now laser sensing system 1 can monitor in real time liquid level situation of change be compared with level set value, passing ratio
Integration eliminates the size of control errors stopper rod opening, and at the end of the duration of pouring is set, then shut-off plug lever apparatus 10, terminates this time
Cast.Laser sensing system 1 and laser generator device 7 constitute the laser measurement system for measuring the change of sprue cup liquid level,
Signal is fed back to control system 3 by laser measurement system, and control system 3 sends instruction control stopper rod device 10, with precise control
The liquid level of sprue cup, automatic current-following inoculation system 2 is turned on and off the operation of this system according to product requirement by control selections,
When left/right movement device 6 is moved left and right, cast packing device 8 can be driven to move left and right together.Because left/right movement device 6 is put
Put on movable mechanism 11, so when front and rear travel mechanism 11 moves, pouring into a mould packing device 8 and left/right movement device
6 can move forward and backward together, and 8 points of cast packing device is 0.6 ton, 1.0 tons, the different capabilities such as 1.5 tons.System is before cast is started
Whether automatic current-following inoculation system 2 can be checked in opening, run in advance before cast starts if opening it is automatic with
Stream breeds system 2, inovulant and metallic solution stream same time is entered sprue cup, terminate to breed in advance before cast terminates be
System operation, makes to breed system and stops in advance before cast terminates.Because if automatic current-following inoculation system 2 is same with stopper rod device 10
Shi Yunhang then occurs that 1-2 seconds more late than metallic solution of inovulant, to sprue cup, has part solution not add inovulant, if together
When it is out of service, then appear in after not pouring into a mould still have inovulant flow into sprue cup, just do not breed stream after having time delay 1-2 seconds
Go out, waste a large amount of inovulants, reason is that 1 meter or so copper pipe is had between inoculation device to sprue cup, and inovulant is in pipeline
Flowing can elapsed time.The range of flow of automatic current-following inoculation system 2 is 1-26 Grams Per Seconds, and precision is 5%.Operation is automatic with stream
The flow required according to product input is needed before breeding system 2, system is selected automatically after obtaining operation instruction according to the grams of input
Rotating speed is selected, in the process of running according to encoder and speed probe feedback monitor in real time motor speed, controlled motor is accurately steady
Fixed operation.When helical feed wear extent is excessive or putty, it is excessive to blow afloat pressure oscillation, in the case of instability of flow, sends
Warning message, stops the operating of automatic current-following inoculation system 2 and stops cast simultaneously, it is to avoid produce defective products, it is ensured that product can
By property.
The device is reasonable in design, by laser sensing system 1 can with the liquid level situation of change of real-time detection pyrosol, and
Reliable continuous output liquid level variable signal can be accurately controlled stopper rod by control system 3, and sprue cup liquid level can obtain essence
Accurate control；Realize when sprue cup change in location, the function of casting machine Automatic-searching sprue cup, i.e. automatic positioning function；
The device significantly reduces the labour intensity of workman, it is to avoid because long-time checks the metallic solution of high temperature and high brightness to eye
The injury of eyeball, realizes real unattended；The arrangement increases the stability of product, greatly reduce due to artificial operation
And cause the waste of a large amount of metallic solutions, and cost has been saved, production efficiency is improve so as to improve economic benefit, using effect
It is good.
The better embodiment to this patent is explained in detail above, but this patent is not limited to above-mentioned embodiment party
Formula, in the ken that one skilled in the relevant art possesses, can also be on the premise of this patent objective not be departed from
Make a variety of changes.
Claims (5)
1. a kind of non-heated automatic pouring machine, it is characterised in that including laser sensing system, automatic current-following inoculation system, control
System, weighing system, hydraulic system, laser generator device, cast packing device, slag cleaning device, stopper rod device and moving machine
Structure, the travel mechanism includes left/right movement device and movable mechanism, and weighing system includes that four are arranged on column
Weighing controller in weighing sensor and control room, laser sensing system, automatic current-following inoculation system, weighing system, hydraulic pressure
System, laser generator device, cast packing device, slag cleaning device, stopper rod device and travel mechanism are installed in four columns
On, moving forward and backward mechanism and be located on column and move forward and backward the top that mechanism is located at weighing system, cast packing device is located at
Above left/right movement device and the position of middle is placed on, after slag cleaning device and stopper rod device are arranged on left/right movement device
The centre position in face, the both sides for pouring into a mould packing device are provided with laser generator device and laser sensing system, laser sensing system
System and laser generator device constitute laser liquid-level measuring system, and control system is located at the rearmost of cast packing device, cast
Packing device includes support base, mould, housing and sprue gate, and three support bases are welded on housing, and sprue gate passes through three branch
Support seat is placed on three alignment pins in the centre position of left/right movement device, and mould is fixed in housing, in mould and housing
Between space in inject refractory material, hydraulic system is placed on the stationary platform, the oil pipe of hydraulic system respectively with pour clad
It is connected with the oil cylinder of tilting mechanism, automatic current-following inoculation system is fixed on above left/right movement device, automatic current-following inoculation
The discharge tip that pipe is bred in system extends to sprue gate lower section, and stopper rod device includes driver, stopper rod clamping limb and stopper rod folder
Tight device, driver includes servomotor, timing belt pulley, synchronous belt, ball screw, drive shaft, limit switch, sensing set
With drive connection plate, servomotor be arranged on drive connection plate on side, ball screw be arranged on drive connection plate opposite side,
A timing belt pulley is respectively installed in the shaft end of servomotor and ball screw, and motor driving force, ball are transmitted by synchronous belt
Together with the bearing flange of screw mandrel passes through screw connection with drive shaft, stopper rod clamping limb is screwed with the top of drive shaft,
Stopper rod clamping limb front end have one for lock half-open nut apparatus and a retaining mechanism.
2. non-heated automatic pouring machine according to claim 1, it is characterised in that the slag cleaning device includes scarfing cinder gas
Cylinder, scarfing cinder bar, scarfing cinder arm, scarfing cinder support column, scarfing cinder safety door and Pneumatic control cabinet, scarfing cinder cylinder stand upside down and are arranged on scarfing cinder arm
On, scarfing cinder cylinder is supported using scarfing cinder support column, and the scarfing cinder of scarfing cinder cylinder is acted by Pneumatic solenoid valves control.
3. non-heated automatic pouring machine according to claim 1 and 2, it is characterised in that the laser sensing system includes
Laser sensor, water(-cooling) jacket, laser water cooling unit and blower fan, the optical source wavelength of laser transmitter projects is 532nm or 450nm,
Laser sensor is internally provided with camera lens, optical filter, receive mirror, speculum, signal processing control circuit plate and intelligent industrial phase
Machine.
4. non-heated automatic pouring machine according to claim 3, it is characterised in that the automatic current-following inoculation system includes
Hopper, tachogenerator, blowning installation, direct current generator, incremental encoder, electric machine controller, pressure sensor, flow sensor
With level sensor control system.
5. non-heated automatic pouring machine according to claim 4, it is characterised in that the left/right movement device and front and rear shifting
Motivation structure is placed on movable mechanism using motor or hydraulic oil cylinder driving and left/right movement device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610168683.0A CN105583397B (en) | 2016-03-23 | 2016-03-23 | A kind of non-heated automatic pouring machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610168683.0A CN105583397B (en) | 2016-03-23 | 2016-03-23 | A kind of non-heated automatic pouring machine |
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| Publication Number | Publication Date |
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| CN105583397A CN105583397A (en) | 2016-05-18 |
| CN105583397B true CN105583397B (en) | 2017-06-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610168683.0A Expired - Fee Related CN105583397B (en) | 2016-03-23 | 2016-03-23 | A kind of non-heated automatic pouring machine |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110238355B (en) * | 2019-06-06 | 2022-01-21 | 东风本田汽车有限公司 | Weighing, temperature measuring and hydrogen removing same-station integrated equipment and weighing, temperature measuring and hydrogen removing method thereof |
| CN111112592B (en) * | 2020-01-14 | 2022-10-21 | 合肥工业大学 | Molten metal filling equipment |
| CN112045153B (en) * | 2020-09-10 | 2021-06-01 | 纪可薇 | Intelligent stream inoculation device and stream inoculation method |
| CN112834604B (en) * | 2020-12-31 | 2022-07-15 | 中国石油大学(华东) | Gear type detection probe carrying device and oil pipe field electromagnetic flaw detection method thereof |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09164474A (en) * | 1995-12-13 | 1997-06-24 | Nippon Kokan Pipe Fittings Mfg Co Ltd | Method for controlling molten metal surface level in molten metal pouring device |
| US20080190970A1 (en) * | 2007-02-13 | 2008-08-14 | Pyrotek, Inc. | Dosing system |
| CN202062070U (en) * | 2011-04-19 | 2011-12-07 | 福州钜全汽车配件有限公司 | Automatic aluminum liquid casting machine |
| CN203437632U (en) * | 2013-08-17 | 2014-02-19 | 云南锡业机械制造有限责任公司 | Molten metal continuous quantification casting device |
| CN205437120U (en) * | 2016-03-23 | 2016-08-10 | 冀涛 | Automatic casting machine of non - heating |
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