CN114922987A - Servo air-locking feeding valve and application method thereof - Google Patents

Servo air-locking feeding valve and application method thereof Download PDF

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Publication number
CN114922987A
CN114922987A CN202210514911.0A CN202210514911A CN114922987A CN 114922987 A CN114922987 A CN 114922987A CN 202210514911 A CN202210514911 A CN 202210514911A CN 114922987 A CN114922987 A CN 114922987A
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CN
China
Prior art keywords
valve plate
valve
servo
bin
material level
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Pending
Application number
CN202210514911.0A
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Chinese (zh)
Inventor
钱叶吾
胡海兵
陆小平
王玉荣
赵玉会
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nanjing Xipu International Engineering Co Ltd
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Nanjing Xipu International Engineering Co Ltd
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Application filed by Nanjing Xipu International Engineering Co Ltd filed Critical Nanjing Xipu International Engineering Co Ltd
Priority to CN202210514911.0A priority Critical patent/CN114922987A/en
Publication of CN114922987A publication Critical patent/CN114922987A/en
Pending legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/16Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
    • F16K1/18Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B7/00Cleaning by methods not provided for in a single other subclass or a single group in this subclass
    • B08B7/02Cleaning by methods not provided for in a single other subclass or a single group in this subclass by distortion, beating, or vibration of the surface to be cleaned
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D90/00Component parts, details or accessories for large containers
    • B65D90/48Arrangements of indicating or measuring devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D90/00Component parts, details or accessories for large containers
    • B65D90/54Gates or closures
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/16Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
    • F16K1/165Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with a plurality of closure members
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/32Details
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K27/00Construction of housing; Use of materials therefor
    • F16K27/02Construction of housing; Use of materials therefor of lift valves
    • F16K27/0209Check valves or pivoted valves
    • F16K27/0227Check valves or pivoted valves with the valve members swinging around an axis located at the edge of or outside the valve member
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00Actuating devices; Operating means; Releasing devices
    • F16K31/02Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/04Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
    • F16K31/041Actuating devices; Operating means; Releasing devices electric; magnetic using a motor for rotating valves
    • F16K31/043Actuating devices; Operating means; Releasing devices electric; magnetic using a motor for rotating valves characterised by mechanical means between the motor and the valve, e.g. lost motion means reducing backlash, clutches, brakes or return means
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00Actuating devices; Operating means; Releasing devices
    • F16K31/44Mechanical actuating means
    • F16K31/46Mechanical actuating means for remote operation
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00Actuating devices; Operating means; Releasing devices
    • F16K31/44Mechanical actuating means
    • F16K31/52Mechanical actuating means with crank, eccentric, or cam
    • F16K31/521Mechanical actuating means with crank, eccentric, or cam comprising a pivoted disc or flap
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lift Valve (AREA)

Abstract

The invention relates to a servo air locking feeding valve and an application method thereof, and belongs to the technical field of feeding valves. The servo air-locking feeding valve comprises a valve body and a driving mechanism, wherein the valve body comprises a material accumulating bin and a valve plate bin, a valve plate is arranged in the valve plate bin, and two sides of the valve plate are rotationally connected with the side wall of the valve plate bin through rotating shafts; the driving mechanism comprises a servo oil cylinder and a driving connecting rod, an output shaft of the servo oil cylinder is vertically arranged downwards, the upper end of the servo oil cylinder is hinged with the outer side wall of the valve plate bin, the output shaft of the servo oil cylinder is hinged with one end of the driving connecting rod, and the other end of the driving connecting rod is fixedly connected with a rotating shaft of the valve plate. In the actual operation of the servo air locking feeding valve, the upper material accumulation bin is used for storing materials with certain thickness so as to achieve and ensure the air locking effect; the invention realizes air locking through the material accumulation bin, removes the complex structures such as the traditional intermediate bin and the like, and has the advantages of simple structure, convenient installation, strong universality, good air locking effect, low manufacturing cost and convenient maintenance.

Description

Servo air-locking feeding valve and application method thereof
Technical Field
The invention relates to a servo air locking feeding valve and an application method thereof, and belongs to the technical field of feeding valves.
Background
In the cement building material industry and the metallurgical industry, a plurality of materials have high requirements on air flow sealing while discharging, for example, air locking is required during feeding of a mill to prevent air flow from passing and crossing, so that various indexes such as air flow velocity, temperature and the like in the mill tend to be more stable, the yield of the mill is required to be improved, the quality is ensured, energy is saved, consumption is reduced, vibration is reduced, and the like.
At present, three air locking valves, a rotary air locking feeder, a Sedeb valve and a plate type feeding scale are used. The three air locking valves and the rotary feeder are limited by the influence of structural design in the use process, the sealing is easy to wear or the clearance is ensured in the rotary process, so that the air locking is not tight, the air leakage phenomenon exists, and the phenomenon that the rotary wheel is clamped by material sundries in the operation process is caused. The Scenbo valve and the plate type feeding scale are both provided with the middle bin, so that the normal blanking is uniform, the air locking effect is good, but the occupied space is large, the manufacturing cost is high, and the installation is more complicated compared with other air locking feeding valves. And weighing sensor is easily disturbed, and the variable frequency motor frequently adjusts the speed when the material mobility is poor and has the possibility that locked-rotor or unloading the middle bin is formed, thereby leading to the unsmooth unloading or the wind.
Therefore, the research and development of the air locking feeding valve with simple structure, convenient installation and good air locking effect is a technical problem to be solved urgently by technical personnel in the field.
Disclosure of Invention
The invention aims to solve the technical problem that the prior art is not enough, and provides a servo air-locking feeding valve and an application method thereof.
The technical scheme provided by the invention for solving the technical problems is as follows: a servo air-locking feeding valve comprises a valve body and a driving mechanism, wherein the valve body comprises a material accumulation bin and a valve plate bin which are sequentially arranged from top to bottom, a valve plate is arranged in the valve plate bin, and two sides of the valve plate are rotationally connected with the side wall of the valve plate bin through rotating shafts; the driving mechanism comprises a servo oil cylinder and a driving connecting rod, an output shaft of the servo oil cylinder is vertically arranged downwards, the upper end of the servo oil cylinder is hinged with the outer side wall of the valve plate bin, the output shaft of the servo oil cylinder is hinged with one end of the driving connecting rod, and the other end of the driving connecting rod is fixedly connected with a rotating shaft of the valve plate.
The improvement of the technical scheme is as follows: the valve plate is two and symmetrical setting.
The improvement of the technical scheme is as follows: a connecting rod mechanism is arranged between the rotating shafts on the same side of the two valve plates and comprises two cranks and a connecting rod, the two cranks are fixedly connected with the rotating shafts of the two valve plates respectively, the two cranks are arranged in a central symmetry mode, and two ends of the connecting rod are hinged to one ends, far away from the rotating shafts, of the two cranks respectively.
The improvement of the technical scheme is as follows: the lateral wall threaded connection of valve plate storehouse has adjustable valve plate striking bolt to be used for when the valve plate is opened with the valve plate butt.
The improvement of the technical scheme is as follows: and a radar material level sensor is arranged at the upper end of the material accumulation bin.
The improvement of the technical scheme is as follows: the side wall of the material accumulating bin is provided with material level switches at intervals from top to bottom.
The improvement of the technical scheme is as follows: the lateral wall of valve plate storehouse is provided with the bearing frame, is provided with the bearing in the bearing frame, and the pivot of valve plate is connected with the lateral wall of valve plate storehouse through the bearing rotation.
The application method of the servo air locking feeding valve comprises the following steps:
step S1: starting a radar material level sensor and a material level switch and simultaneously monitoring the material level in the material accumulation bin;
step S2: when the radar material level sensor and the material level switch simultaneously monitor that the material level in the material accumulation bin is below 400mm, the valve plate is closed, and the opening degree of the servo air locking feeding valve is 0%;
step S3: when the radar material level sensor and the material level switch simultaneously monitor that the material level in the material accumulation bin is between 400 and 500mm, the valve plate is opened to carry out blanking; the opening of the servo air-locking feeding valve is 0-10V corresponding to the working voltage of the driving mechanism, and the working voltage of the corresponding driving mechanism is 4V during normal blanking, namely the opening of the servo air-locking feeding valve is 40%;
step S4: when the radar material level sensor and the material level switch simultaneously monitor that the material level in the material accumulation bin is higher than 500mm, the working voltage of the driving mechanism is boosted by current 10% when the material level is increased by 100mm relative to the material level of 400mm, namely the opening of the servo air locking feeding valve is increased by 10%;
step S5: when the radar material level sensor and the material level switch simultaneously monitor that the material level in the material accumulation bin is reduced to 500mm, the working voltage of the driving mechanism is recovered to 4V.
The improvement of the technical scheme is as follows: in step S3, the specific steps of opening the valve plate are:
step S31: an output shaft of the servo oil cylinder extends downwards to drive one end of the driving connecting rod to move downwards;
step S32: the other end of the driving connecting rod drives the rotating shaft of the valve plate to rotate, and the valve plate on one side is opened;
step S33: meanwhile, the rotating shaft of the valve plate drives the crank fixedly connected with the valve plate to rotate, the crank drives the corresponding crank to rotate through the connecting rod, the other crank drives the rotating shaft fixedly connected with the crank to rotate, and the valve plate on the other side is opened.
The invention adopts the technical scheme that the method has the beneficial effects that:
(1) in the actual operation of the servo air-locking feeding valve, the upper material accumulation bin is used for storing materials with certain thickness so as to achieve and guarantee the air-locking effect, and the air locking of the materials with the thickness of more than 400mm in the material accumulation bin is generally guaranteed; according to the invention, air locking is realized through the material accumulation bin, complex structures such as a traditional intermediate bin and the like are removed, the structure is simple, the installation is convenient, the universality is strong, the air locking effect is good, the manufacturing cost is low, and the maintenance is convenient;
(2) in the servo air-locking feeding valve, when the valve plate is blocked by sticky materials, the valve plate can be controlled to impact the adjustable valve plate impact bolt, and the sticky material blocking phenomenon can be automatically eliminated by vibration; when the equipment fails, the length of the adjustable valve plate extending out of the impact bolt can be adjusted to abut against the valve plate, and the servo air-locking feeding valve is fixed at a certain opening degree for temporary production, so that the production efficiency is ensured;
(3) according to the servo air-locking feeding valve, when the material level in the material accumulation bin is monitored to be below 400mm, the valve plate is closed, when the material level in the material accumulation bin is monitored to be higher than 500mm, the working voltage of the driving mechanism is increased by current 10% when the material level in the material accumulation bin is increased by 100mm relative to the material level in the material accumulation bin of 400mm, and the driving mechanism is matched with the driving mechanism through a radar material level sensor or a material level switch, so that the opening degree of the servo air-locking feeding valve can be increased or reduced according to the height of the material level while the material level in the material accumulation bin is ensured to be higher than 400mm, and the uniform and continuous feeding of materials is ensured.
Drawings
The invention will be further described with reference to the accompanying drawings in which:
FIG. 1 is a schematic perspective view of a servo airlock feeding valve according to an embodiment of the present invention;
FIG. 2 is a schematic side view of a servo airlock feeding valve according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a servo lock feed valve according to an embodiment of the present invention;
wherein: the device comprises a valve plate 1, a valve plate 11, a bearing seat 12, a rotating shaft 12, a valve body 2, a material accumulating bin 21, a valve plate bin 22, a connecting rod mechanism 3, a crank 31, a connecting rod 32, a servo oil cylinder 4, a driving connecting rod 41, a mechanical valve opening indicator 5, an adjustable valve plate impact bolt 6, a radar material level sensor 7 and a material level switch 8.
Detailed Description
Examples
The servo air-locking feeding valve of the embodiment, as shown in fig. 1-3, comprises a valve body 2 and a driving mechanism, wherein the valve body 2 comprises a material accumulating bin 21 and a valve plate bin 22 which are sequentially arranged from top to bottom, a valve plate 1 is arranged inside the valve plate bin 22, and two sides of the valve plate 1 are rotatably connected with the side wall of the valve plate bin 22 through a rotating shaft 12; the driving mechanism comprises a servo oil cylinder 4 and a driving connecting rod 41, an output shaft of the servo oil cylinder 4 is vertically arranged downwards, the upper end of the servo oil cylinder 4 is hinged with the outer side wall of the valve plate bin 22, the output shaft of the servo oil cylinder 4 is hinged with one end of the driving connecting rod 41, and the other end of the driving connecting rod 41 is fixedly connected with the rotating shaft 12 of the valve plate 1.
In the servo air-lock feeding valve of the present embodiment, as shown in fig. 3, two valve plates 1 are symmetrically arranged. The connecting rod mechanism 3 is arranged between the rotating shafts on the same side of the two valve plates 1, the connecting rod mechanism 3 comprises two cranks 31 and a connecting rod 32, the two cranks 31 are fixedly connected with the rotating shafts 12 of the two valve plates 1 respectively, the two cranks 31 are arranged in central symmetry, and two ends of the connecting rod 32 are hinged to one ends, far away from the rotating shafts 12, of the two cranks 31 respectively.
In the servo airlock feeding valve of the present embodiment, as shown in fig. 3, an adjustable valve plate impact bolt 6 is screwed to a side wall of the valve plate chamber 22 for abutting against the valve plate 1 when the valve plate 1 is opened. The upper end of the material accumulating bin 21 is provided with a radar material level sensor 7. Four material level switches 8 are arranged on the side wall of the accumulation bin 21 from top to bottom at intervals. A mechanical valve opening indicator 5 is installed at the rotating shaft 12 of the valve plate chamber 22, and a limit switch and a valve opening sensor can also be installed at the mechanical valve opening indicator 5.
In the servo airlock feeding valve of the present embodiment, as shown in fig. 1 and 2, a bearing seat 11 is disposed on a side wall of a valve plate chamber 22, a bearing is disposed in the bearing seat 11, and a rotating shaft 12 of the valve plate 1 is rotatably connected to the side wall of the valve plate chamber 22 through the bearing.
The application method of the servo air locking feeding valve comprises the following steps:
step S1: starting a radar material level sensor 7 and a material level switch 8 and simultaneously monitoring the material level in the material accumulating bin 21; the radar level sensor 7 and the level switch 8 are used for interlocking signals, the analog quantity and the switch quantity are used for ensuring high sensitivity and stable signals, and the corresponding level can be quickly and accurately calculated according to data such as yield, valve body section, material flow rate and the like in operation;
step S2: when the radar material level sensor 7 and the material level switch 8 simultaneously monitor that the material level in the material accumulation bin 21 is below 400mm, the valve plate 1 is closed, and the opening degree of the servo air locking feeding valve is 0%;
step S3: when the radar material level sensor 7 and the material level switch 8 simultaneously monitor that the material level in the accumulated material 21 bin is between 400 plus 500mm, the valve plate 1 is opened for blanking; the opening of the servo air-locking feeding valve is 0-10V corresponding to the working voltage of the driving mechanism, and the working voltage of the corresponding driving mechanism is 4V during normal blanking, namely the opening of the servo air-locking feeding valve is 40%;
wherein, the specific step that valve plate 1 opened does:
step S31: an output shaft of the servo oil cylinder 4 extends downwards to drive one end of the driving connecting rod 41 to move downwards;
step S32: the other end of the driving connecting rod 41 drives the rotating shaft 12 of the valve plate 1 to rotate, and the valve plate 1 on one side is opened;
step S33: meanwhile, the rotating shaft 12 of the valve plate 1 drives the crank 31 fixedly connected with the rotating shaft to rotate, the crank 31 drives the corresponding other crank 31 to rotate through the connecting rod 32, the other crank 31 drives the rotating shaft 12 fixedly connected with the other crank to rotate, and the valve plate 1 on the other side is opened;
step S4: when the radar material level sensor 7 and the material level switch 8 simultaneously monitor that the material level in the material accumulation bin 21 is higher than 500mm, the working voltage of the driving mechanism is boosted by current 10% when the material level is increased by 100mm relative to the material level of 400mm, namely the opening of the servo air-locking feeding valve is increased by 10%;
step S5: when the radar material level sensor 7 and the material level switch 8 simultaneously monitor that the material level in the material accumulating bin 21 is reduced to 500mm, the working voltage of the driving mechanism is recovered to 4V.
The servo air locking feeding valve of the embodiment is quick and convenient to install, small in occupied space, short in installation and debugging time and capable of achieving matching of other industries of small, medium and large-scale cement plants, and the upper logistics channel and the lower logistics channel are connected through flanges or welded. The volume of the material accumulating bin 21 of the valve body 2 is designed according to different output requirements, so that the thickened steel plate is very firm to manufacture. The servo air-locking feeding valve has low assembly power and is operated in a clearance mode, and compared with the same type of equipment, the servo air-locking feeding valve saves power by dozens of times and saves production economic cost.
The present invention is not limited to the above-described embodiments. All technical solutions formed by adopting equivalent substitutions fall into the protection scope claimed by the invention.

Claims (9)

1. A servo lock wind feed valve which characterized in that: the valve body comprises a material accumulating bin and a valve plate bin which are sequentially arranged from top to bottom, a valve plate is arranged in the valve plate bin, and two sides of the valve plate are rotationally connected with the side wall of the valve plate bin through rotating shafts; the actuating mechanism includes servo cylinder and drive connecting rod, servo cylinder's the vertical downward setting of output shaft, servo cylinder's upper end with the lateral wall in valve plate storehouse is articulated, servo cylinder's output shaft with the one end of drive connecting rod is articulated, the other end of drive connecting rod with the pivot rigid coupling of valve plate.
2. A servo lock feed valve as defined in claim 1 wherein: the valve plate is two and the symmetry sets up.
3. A servo lock feed valve as defined in claim 2 wherein: two be provided with link mechanism between the same side pivot of valve plate, link mechanism includes two cranks and connecting rod, two cranks respectively with the pivot rigid coupling of two valve plates, two crank centrosymmetric settings, the both ends of connecting rod respectively with two cranks keep away from the one end of pivot is articulated.
4. A servo lock feed valve as defined in claim 1 wherein: the side wall of the valve plate bin is in threaded connection with an adjustable valve plate impact bolt for abutting against the valve plate when the valve plate is opened.
5. The servo lock air feed valve of claim 1, wherein: and a radar material level sensor is arranged at the upper end of the material accumulating bin.
6. A servo lock feed valve as defined in claim 1 wherein: and material level switches are arranged on the side wall of the material accumulating bin from top to bottom at intervals.
7. A servo lock feed valve as defined in claim 1 wherein: the lateral wall in valve plate storehouse is provided with the bearing frame, be provided with the bearing in the bearing frame, the pivot of valve plate pass through the bearing with the lateral wall in valve plate storehouse rotates and is connected.
8. The method of using a servo airlock feed valve as in any of claims 1 to 7, further comprising: the method comprises the following steps:
step S1: starting a radar material level sensor and a material level switch and simultaneously monitoring the material level in the material accumulation bin;
step S2: when the radar material level sensor and the material level switch simultaneously monitor that the material level in the material accumulation bin is below 400mm, the valve plate is closed, and the opening degree of the servo air locking feeding valve is 0%;
step S3: when the radar material level sensor and the material level switch simultaneously monitor that the material level in the material accumulation bin is between 400 and 500mm, the valve plate is opened to carry out blanking; the opening of the servo air-locking feeding valve is 0-10V corresponding to the working voltage of the driving mechanism, and the working voltage of the corresponding driving mechanism is 4V during normal blanking, namely the opening of the servo air-locking feeding valve is 40%;
step S4: when the radar material level sensor and the material level switch simultaneously monitor that the material level in the material accumulation bin is higher than 500mm, the working voltage of the driving mechanism is increased by current 10% when the material level is increased by 100mm relative to the material level of 400mm, namely the opening of the servo air locking feeding valve is increased by 10%;
step S5: when the radar material level sensor and the material level switch simultaneously monitor that the material level in the material accumulation bin is reduced to 500mm, the working voltage of the driving mechanism is recovered to 4V.
9. The method of using a servo lock air feed valve as claimed in claim 8, wherein: in step S3, the specific steps of opening the valve plate are:
step S31: an output shaft of the servo oil cylinder extends downwards to drive one end of the driving connecting rod to move downwards;
step S32: the other end of the driving connecting rod drives the rotating shaft of the valve plate to rotate, and the valve plate on one side is opened;
step S33: meanwhile, the rotating shaft of the valve plate drives the crank fixedly connected with the valve plate to rotate, the crank drives the corresponding crank to rotate through the connecting rod, the other crank drives the rotating shaft fixedly connected with the crank to rotate, and the valve plate on the other side is opened.
CN202210514911.0A 2022-05-11 2022-05-11 Servo air-locking feeding valve and application method thereof Pending CN114922987A (en)

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Application Number Priority Date Filing Date Title
CN202210514911.0A CN114922987A (en) 2022-05-11 2022-05-11 Servo air-locking feeding valve and application method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210514911.0A CN114922987A (en) 2022-05-11 2022-05-11 Servo air-locking feeding valve and application method thereof

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CN114922987A true CN114922987A (en) 2022-08-19

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Application Number Title Priority Date Filing Date
CN202210514911.0A Pending CN114922987A (en) 2022-05-11 2022-05-11 Servo air-locking feeding valve and application method thereof

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115973793A (en) * 2023-03-17 2023-04-18 山东佳润智能科技有限公司 A even unloader for wet material glutinous material

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115973793A (en) * 2023-03-17 2023-04-18 山东佳润智能科技有限公司 A even unloader for wet material glutinous material
CN115973793B (en) * 2023-03-17 2023-06-09 山东佳润智能科技有限公司 A even unloader for wet material sticky material

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