CN109399239A - A kind of charging gear and control method of sheet-shaped solid materiel - Google Patents

A kind of charging gear and control method of sheet-shaped solid materiel Download PDF

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Publication number
CN109399239A
CN109399239A CN201711376725.0A CN201711376725A CN109399239A CN 109399239 A CN109399239 A CN 109399239A CN 201711376725 A CN201711376725 A CN 201711376725A CN 109399239 A CN109399239 A CN 109399239A
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CN
China
Prior art keywords
storage cavity
sheet
shaped solid
storage
blanking
Prior art date
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Pending
Application number
CN201711376725.0A
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Chinese (zh)
Inventor
孙玉山
王根立
李克元
迟克栋
高文占
安康
刘聘
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.)
China Textile Academy
China Textile Research Institute Co Ltd
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China Textile Research Institute Co Ltd
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Application filed by China Textile Research Institute Co Ltd filed Critical China Textile Research Institute Co Ltd
Priority to CN201711376725.0A priority Critical patent/CN109399239A/en
Publication of CN109399239A publication Critical patent/CN109399239A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G65/00Loading or unloading
    • B65G65/30Methods or devices for filling or emptying bunkers, hoppers, tanks, or like containers, of interest apart from their use in particular chemical or physical processes or their application in particular machines, e.g. not covered by a single other subclass
    • B65G65/34Emptying devices
    • B65G65/40Devices for emptying otherwise than from the top
    • B65G65/42Devices for emptying otherwise than from the top using belt or chain conveyors
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/0007Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm for discrete indicating and measuring

Abstract

The invention discloses a kind of charging gear of sheet-shaped solid materiel and control methods.Charging gear includes ontology, and ontology is equipped with storage device, and storage device has storage cavity, and the upper end of storage cavity is equipped with feed inlet, and the bottom of storage cavity is equipped with discharge port, and discharge outlet is equipped with blanking device, is provided with conveying device below blanking device;Material keeps certain material position in storage cavity, and the material in storage cavity is discharged blanking device.In the storage cavity of charging gear of the invention, material keeps certain amount of storage, can buffer the inhomogeneities of upstream supplied materials;Material is not built bridge in gravity and blanking device operational process, stable, and stuck phenomenon is not present in blanking process.

Description

A kind of charging gear and control method of sheet-shaped solid materiel
Technical field
The invention belongs to field of textiles and feeding device field, specifically, being related to a kind of feed of sheet-shaped solid materiel Device and control method.
Background technique
Traditional powder, sheet, granular material continuous dosing usually pass through weight sensor control, because material is defeated Influence during sending by tank body cone angle is easy arch camber, builds bridge and cause material feeding process uneven, causes measurement deviation shadow Measuring accuracy is rung, can not meet actual production requirement.
To solve the above problems, the patent that Authorization Notice No. is CN205023524U discloses a kind of continuous powder of high-precision Weight feed device, it includes feed hopper, rotary valve, inlet valve, balanced valve, exhaust valve, weighing sensor, weight-loss type charging Device, outlet valve, PLC controller.Feed hopper, rotary valve, inlet valve, loss-in-weight feeder, outlet valve are sequentially connected with pipeline, dress The measuring cell and control element for setting each component are connect with PLC controller, this device adds two weight-loss types using PLC controller Alternately, the Weightlessness balance of operation always works under weighing mode glassware, and there is no the low problems of precision during feed supplement.But it is existing With the presence of such equipment for 20mm × 20mm sheet pulp piece storage and discharging build bridge, blanking is unsmooth the problems such as, be fed Bottom is bored under storehouse and the bridge formation of rotary valve seriously affects subsequent weighing accuracy, can not meet needs of production.
Application publication number is that the patent application of CN103754658A discloses a kind of powder continuous feeding and real-time control Method processed, on the weighing platform for the scale that the hopper of the powder continuous feeding is mounted on bracket.The upper end of blanking valve with The discharge port of hopper is connected to, and is connected between the lower end of blanking valve and the upper end of hose valve;Hose valve lower end is connected to feeder pipe. Two pneumatic hammers are separately mounted to the outer wall upper and lower part of feeder pipe.In charging: being fed by weighing initial charge amount, weighing Device connect the Weight control feeding quantity of front and back with mixing kettle, by adjusting the switch of blanking valve opening and vibrator, realizes and adds Material process speed control.Since cone bottom is to the support of material when being stored in hopper for this project 20mm × 20mm sheet pulp Effect causes material to build bridge, and causes baiting valve material that can go out without material, seriously affects subsequent weighing accuracy, can not meet actual production It needs.
Authorization Notice No. is that the patent of CN201622103U discloses a kind of feed weighing system, including feed weigher and control System, the feed weigher include feeder and scale body, and the scale body is suspended in the lower section of feeder by least three lifting ropes, and every Tension sensor is designed on lifting rope, the tension sensor is connected to the control system.In the accurate control of the system of control The lower weighing that can be achieved to material.Due to cone when being stored in the hopper of feeder for this project 20mm × 20mm sheet pulp Bottom causes to build bridge to the support effect of material, and magnetic vibration type feeder will cause material accumulation in the non-uniform situation of blanking And can not discharge, subsequent weighing accuracy is seriously affected, can not meet needs of production.
Therefore, sheet-shaped solid materiel, which has, accumulates the characteristics such as compressible and discharging is easily built bridge in the process, and blanking is unstable.? It has been proved that existing many storages, discharging equipment have the small hopper in input end large outlet end, vibration blanking, in chip solid It cannot all reach that blanking is easy to control during material storing, discharging, discharge stable requirement.
In view of this present invention is specifically proposed.
Summary of the invention
The technical problem to be solved in the present invention is that overcome the deficiencies of the prior art and provide a kind of sheet-shaped solid materiel to Expect device and control method.In the storage cavity of the charging gear of sheet-shaped solid materiel of the invention, material keeps certain storage Amount, can buffer the inhomogeneities of upstream supplied materials;Material is not built bridge in gravity and blanking device operational process, stable, Stuck phenomenon is not present in blanking process.
In order to solve the above technical problems, the present invention is using the basic conception of technical solution:
The first object of the present invention is to provide a kind of charging gear of sheet-shaped solid materiel, including ontology, and ontology is equipped with Storage device, storage device have storage cavity, and the upper end of storage cavity is equipped with feed inlet, and the bottom of storage cavity is equipped with discharge port, out Blanking device is equipped at material mouth;Material keeps certain material position in storage cavity, and the material in storage cavity is discharged blanking device.
Further embodiment, further includes main control unit, and the outside of storage device is equipped with material-level detecting device, material-level measure Device is electrically connected with main control unit, and the level signals that will test are transferred to main control unit, when material position is lower than minimum predetermined value When, material is inputted into storage cavity;Stop inputting material to storage cavity when material position is more than highest preset value;
Preferably, material-level detecting device includes at least highest material-level measure sensor and minimum material-level measure sensor.
Further embodiment, the material-level detecting device include it is multiple, multiple material-level detecting devices are in storage device Short transverse on outer wall along storage cavity is arranged above and below, and multiple material-level detecting devices are connect with main control unit respectively, and detection is not Same material position.
Further embodiment, the storage device are equipped with visual window, and multiple material-level detecting devices are arranged in visual window Outer surface, and be distributed from top to bottom along the short transverse of visual window, the continuous material position variation detected in storage cavity;
Preferably, multiple material-level detecting device intervals on visual window are uniformly distributed.
Further embodiment, the storage cavity gradually amplify from feed end to discharge end, and the inner wall of storage cavity is equal everywhere Smooth transition;
Preferably, the storage device is pyramid type or circular platform type, cone angle α, the size of cone angle are as follows: 0 ° of < α≤ 120°;
Preferably, cone angle size are as follows: 5 °≤α≤40 °.
Further embodiment, the blanking device include first driving device and harrow nail roller, the surface of harrow nail roller Equipped with multiple harrow nails, the discharge outlet of storage device is arranged in harrow nail roller, and first driving device is connect with main control unit, the The output end of one driving device is connect with harrow nail roller, drives harrow nail drum movement, and is driven the material in storage cavity to fall and arranged Out.
Further embodiment, harrow nail roller be equipped with it is multiple, multiple harrow nail rollers are distributed side by side, and by connecting rod connection;The The output end of one driving device is connect with connecting rod, and drive link movement, connecting rod drives multiple harrow nail drum movements, drives storage cavity Interior material, which falls, to be discharged;
Preferably, first driving device drive multiple harrow nail rollers rotate in same direction/swing, and/or backwards rotation, and/or Reciprocating rotation.
Further embodiment, the ratio of area and discharging open area that the harrow nail roller is arranged are as follows: 55%~ 100%;
Preferably, the ratio of the harrow nail roller is arranged area and discharging open area are as follows: 95%~100%.
Further embodiment further includes conveying device, and the conveying device includes the second driving device and conveyer belt, defeated The lower section for sending band that blanking device is set, blanking device drive material movement, under fall on conveyer belt, the second driving device driving Conveyer belt transports material;Second driving device is connect with main control unit;
Preferably, the second driving device and first driving device chain control are controlled discharging flow by main control unit.
The second object of the present invention is to provide a kind of a kind of control of the charging gear of sheet-shaped solid materiel as described above Method, material enters after storage device keeps in storage cavity, and the material in storage cavity is discharged blanking device;When in storage cavity Material position be lower than minimum material position when, material is inputted into storage cavity;When in storage cavity material position reach highest material position after stop to storage Expect that chamber inputs material;
Preferably, according to the conveying speed of conveying device, main control unit controls the blanking velocity of blanking device, controls out The flow of material.
After adopting the above technical scheme, compared with the prior art, the invention has the following beneficial effects:
1. charging gear of the invention utilizes the material of the sheet-shaped solid materiel in multiple material-level detecting devices detection storage cavity Intermittent level switch signal is transformed into continuous material position and shows signal, sends main control unit to by position, is the real-time of material position Monitoring is provided convenience;Main control unit can guarantee to keep one in storage cavity according to the input of the variation control material of material position Fixed material position buffers the inhomogeneities of upstream supplied materials, provides precondition to stablize discharging.
2. visual window is arranged in charging gear of the invention, material-level detecting device is set on visual window, it may be convenient to see The memory state of the sheet-shaped solid materiel in storage cavity is examined, convenient for observation operation, failure can be found in time, avoid unexpected hair It is raw.
3. charging gear of the invention gradually amplifies by using from feed end to discharge end, inner wall seamlessly transits everywhere Storage cavity, avoid gravity of the sheet-shaped solid materiel when impact of blanking and temporarily storage due to cause the frame of cellulose Bridge guarantees the smooth of blanking;
Material in feed bin is set to swing or rotate 4. multiple harrow nail rollers of blanking device of the invention are swung simultaneously, Bulk material and harrow nail constantly fiddle with material and guarantee that continuous discharge, the revolving speed of first driving device constantly convert and then drive harrow nail Roller swings or rotates at different rates, can adjust load according to production needs.
5. the second driving device of the invention, by the belt speed of change conveyer belt, the sheet that can change conveyer belt in real time is solid The conveying capacity of body material, the range of flow of sheet-shaped solid materiel control conveying speed.
A specific embodiment of the invention is described in further detail with reference to the accompanying drawing.
Detailed description of the invention
Attached drawing is as a part of the invention, and for providing further understanding of the invention, of the invention is schematic Examples and descriptions thereof are used to explain the present invention, but does not constitute an undue limitation on the present invention.Obviously, the accompanying drawings in the following description Only some embodiments to those skilled in the art without creative efforts, can be with Other accompanying drawings can also be obtained according to these attached drawings.In the accompanying drawings:
Fig. 1 is the main view of charging gear of the invention;
Fig. 2 is the side view of charging gear of the invention;
In figure: 1 storage device, 1a feed inlet, 1b storage cavity, 2 visual windows, 3 material-level detecting devices, 3f highest material-level measure Sensor, the minimum material-level measure sensor of 3i, 4 handrails, 5 racks, 6 blanking devices, 6a harrow nail roller, 6b connecting rod, 6c first drive Dynamic device, 7 conveying devices, the second driving device of 7a, 7b conveyer belt.
It should be noted that these attached drawings and verbal description are not intended to the design model limiting the invention in any way It encloses, but illustrates idea of the invention by referring to specific embodiments for those skilled in the art.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention In attached drawing, the technical solution in embodiment is clearly and completely described, the following examples are intended to illustrate the invention, but It is not intended to limit the scope of the invention.
In the description of the present invention, it should be noted that term " on ", "front", "rear", "left", "right", " is erected at "lower" Directly ", the orientation or positional relationship of the instructions such as "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, merely to just In description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with Specific orientation construction and operation, therefore be not considered as limiting the invention.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected;It can To be mechanical connection, it is also possible to be electrically connected;It can be directly connected, it can also be indirectly connected through an intermediary.For this For the those of ordinary skill in field, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
Embodiment one
As depicted in figs. 1 and 2, the first object of the present invention is to provide a kind of charging gear of sheet-shaped solid materiel, including Ontology, ontology are equipped with storage device 1, and storage device 1 has storage cavity 1b, and the upper end of storage cavity 1b is equipped with feed inlet 1a, storage Expect that the bottom of chamber 1b is equipped with discharge port, discharge outlet is equipped with blanking device 6;Material keeps certain material position in storage cavity 1b, Material in storage cavity 1b is discharged blanking device 6.
The sheet-shaped solid materiel of the present embodiment can have certain length and width for cellulose pulp piece or others Solid material.The ontology of charging gear can be rack 5, can be support base.It is provided with handrail 4 on ontology, is convenient for work Personnel, which ascend a height, checks material position.After storage device 1 is fixedly mounted on the body, bottom and ground have certain gap, storing dress Setting 1 inside has storage cavity 1b or is feed bin, for keeping in sheet material.It can be pressed for the accumulation that sheet-shaped solid materiel has It easily builds bridge during contracting and discharging, the unstable characteristic of blanking, the sheet of the present embodiment fixed material, especially cellulose sheet Material needs to keep certain material position in storage cavity 1b, that is, saves certain amount of storage, can buffer the unevenness of upstream supplied materials Even property stablizes discharging for downstream and provides precondition.
Feed inlet 1a is provided at the top of storage cavity 1b, bottom is provided with discharge port;The area of discharge port is greater than feed inlet The area of 1a.Blanking device 6 is located at discharge outlet, is connected as an entirety with storage device 1.Blanking device 6 is in power drive Under, drive the material of discharge outlet to fall, it therefore, can be with by blanking device 6 under the premise of amount of storage is stablized in storage cavity 1b Convenient control discharging speed, to realize that blanking is stable, weighs accurate purpose.
The charging gear of the sheet-shaped solid materiel of the present embodiment further includes main control unit, and main control unit can be feed The master control device of the independent control device of device, independent control device and production line connects;Or textile manufacturing line Master control device.The conveying equipment that main control unit can automatically control upstream inputs material into storage cavity 1b, controls blanking Device 6 acts, and discharges.
In order to achieve the purpose that keep certain material in storage cavity 1b, the outside of storage device 1 is filled equipped with material-level measure Set 3.Material-level detecting device 3 can be mechanical, or it is induction, such as can be sensor.Material-level measure dress It sets 3 to be electrically connected with main control unit, the level signals that will test are transferred to main control unit, when material position is lower than minimum predetermined value When, material is inputted into storage cavity 1b, blanking device 6 continues constant speed with front and continued discharging speed and discharges;When material position is more than that highest is pre- If stopping input material when value.
The outside of storage cavity 1b is arranged in the detection device of this programme, therefore will not form corner angle in storage cavity 1b, Material would not be avoided to be held up by impetus and generate arch formation to the sheet-shaped solid materiel in storage cavity 1b with impetus.Material Level detecting apparatus 3 can determine the accumulation material position of sheet-shaped solid materiel inside storage cavity 1b by inductive signal, and defeated in real time Level signals can change control blanking velocity according to material position and input the speed of material to main control unit, main control unit out Degree makes material position in storage cavity 1b not less than minimum material position, is also no more than highest material position, with reach material not overflow in feed bin, The purpose of not empty material controls and stablizes discharging.
Preferred scheme, material-level detecting device 3 includes at least highest material-level measure sensor 3f and minimum material-level measure passes Sensor 3i.Minimum material-level measure sensor 3i is located at the lower part of 1 outer wall of storage device, and highest material-level measure sensor 3f is located at storage Expect the top of 1 outer wall of device.When minimum material-level measure sensor 3i detects level signals, level signals are transmitted to main control Device, main control unit judge to reach minimum material position in storage cavity 1b, control blanking device 6 with front and continued discharging speed and continue constant speed Discharging, while controlling upstream equipment and inputting material into storage cavity 1b;When highest material-level measure sensor 3f detects that material position is believed Number when, level signals are transmitted to main control unit, main control unit judges to reach highest material position in storage cavity 1b, in order to avoid emitting Material, control upstream equipment stop input material, and control 6 blanking of blanking device continues constant speed discharging.
Further embodiment, the material-level detecting device 3 is including multiple, and multiple material-level detecting devices 3 are in storage device 1 Outer wall on be arranged above and below along the short transverse of storage cavity 1b, multiple material-level detecting devices 3 are connect with main control unit respectively, inspection Survey different material positions.
Multiple material-level detecting devices 3 arranged distribution from top to bottom on the outer wall of storage cavity 1b device, is able to detect storing The material position of different height in chamber 1b, and send level signals to main control unit, intermittent level signals can so be turned Become continuous material position and show signal, provides convenience for the real-time monitoring of material position.
The observation and operation of personnel for ease of operation, as more preferably scheme, the storage device 1 is equipped with can The outer surface of visual window 2 is arranged in form 2, multiple material-level detecting devices 3, and from top to bottom along the short transverse of visual window 2 Distribution, the continuous material position variation detected in storage cavity 1b.
The transparent setting of visual window 2, by this visual window 2 it can be observed that material position of the sheet-shaped solid materiel in storage cavity 1b Height, convenient for manual operation proofread, avoid failure.The interior walls be smooth transition at the edge of visual window 2 and storage cavity 1b, the two it Between do not form corner angle, also would not be to the sheet-shaped solid materiel in storage cavity 1b with impetus.
Visual window 2 can on the peripheral wall of storage device 1 be equipped with it is multiple, several visual windows 2 be evenly distributed in storing dress It sets in 1 cavity wall.Material-level detecting device 3 can be level switch or be material-level measure sensor.N level switch 31~n? Even is mounted on the window of form, detects the material position of different height.The material position that minimum material-level measure sensor 3i is detected is The minimum material position of sheet-shaped solid materiel, the material position that highest material-level measure sensor 3f is detected are the highest material of sheet-shaped solid materiel Position.Using the memory state of the sheet-shaped solid materiel in the symmetrical observation storage cavity 1b that can be convenient of several visual windows 2.
Preferred scheme, the interval of multiple material-level detecting devices 3 on visual window 2 are uniformly distributed.Specifically, on visual window 2 N evenly spaced level switch are set, the material position of the sheet-shaped solid materiel in storage cavity 1b is detected.Because being evenly spaced on Multipair level switch, intermittent level switch signal is transformed into continuous material position and shows signal, is the real-time monitoring of material position It provides convenience.
Further embodiment, the storage cavity 1b gradually amplify from feed end to discharge end, and the inner wall of storage cavity 1b is each Place seamlessly transits.
The feed end of storage device 1 is small, and discharge end is big, and gradually amplifies from feed end to discharge end, storage cavity 1b's Interior walls be smooth transition.In this way, the shape setting by storage cavity 1b will not make piece to internal sheet-shaped solid materiel with impetus Shape solid material during interim storage will not extruding due to gravity caused to build bridge by the inner wall picking-up of storage cavity 1b.
Preferred scheme, the storage device 1 are pyramid type or circular platform type, cone angle α, the size of cone angle are as follows: 0 ° of < α ≤120°;Preferably, cone angle size are as follows: 5 °≤α≤40 °, guarantee material not frame in 6 operational process of gravity and blanking device Bridge.Feed inlet 1a can be separately installed, can also be integrally formed with storage device 1, is arranged in the small end of Storage Silo, and to storage Expect smooth transition in chamber 1b.The volume of storage cavity 1b is in 0.5m3~15m3, this volume can buffer the inhomogeneities of upstream supplied materials.
The shape of storage cavity 1b inside storage device 1 is pyramid type or circular platform type, and osculum end is feed inlet 1a, big opening end For discharge port.After sheet material enters storage cavity 1b from feed inlet 1a, inside slide-in storage cavity 1b that can be smooth, without hindrance, The bridge formation that sheet-shaped solid materiel causes cellulose because of gravity when impacting and temporarily storing of blanking is avoided, under guarantee That expects is smooth.
Further embodiment, the blanking device 6 include first driving device 6c and harrow nail roller 6a, harrow nail roller 6a Surface be equipped with multiple harrow nails, the discharge outlet of storage device 1, first driving device 6c and main control is arranged in harrow nail roller 6a Device connection, the output end of first driving device 6c are connect with harrow nail roller 6a, drive harrow nail roller 6a movement, and drive storing Material in chamber 1b, which falls, to be discharged.
The first driving device 6c of blanking device 6 is driving motor, can be ordinary motor, or variable-frequency motor, It is connect with main control unit.There are many harrow nail, the arrangement covering parts of harrow nail roller 6a or complete for the distribution of the harrow nail surface roller 6a Portion's discharge port.Motor drives harrow nail roller 6a to be moved, and harrow nail thereon stirs the intracavitary sheet-shaped solid materiel of reserves, material It loosens and falls, achieve the purpose that sheet-shaped solid materiel stablizes blanking, do not build bridge in storage cavity 1b.Harrow nail roller 6a is in the first driving Under device 6c drives, it can rotate, swing or move back and forth.
Further embodiment, harrow nail roller 6a be equipped with it is multiple, multiple harrow nail roller 6a are distributed side by side, and are connected by connecting rod 6b It connects;The output end of first driving device 6c is connect with connecting rod 6b, and drive link 6b movement, connecting rod 6b drives multiple harrow nail roller 6a Movement drives the material in storage cavity 1b to fall and is discharged.
First driving device 6c can also include speed reducer, the movement of the multiple harrow nail roller 6a of co- controlling in addition to motor Speed.N harrow nail roller 6a is connected by connecting rod 6b, motor, speed reducer rotate driving connecting rod 6b and drive n harrow nail roller 6a Together in the same direction, backwards rotation perhaps reciprocating rotation by harrow nail roller 6a together in the same direction, backwards rotation or reciprocating rotation come It drives material to fall and the sheet-shaped solid materiel in storage cavity 1b is made integrally to be struck and loosen, stablizes and fall, reach storage cavity Material is not built bridge in 1b, not stuck, and discharge stable purpose.
Preferably, first driving device 6c drive multiple harrow nail roller 6a rotate in same direction/swing, and/or backwards rotation, And/or reciprocating rotation.
Multiple harrow nail roller 6a of blanking device 6 are swung simultaneously or rotation make the material in storage cavity 1b swing or Person's rotation, bulk material and harrow nail constantly fiddle with material whereabouts, guarantee continuous discharge.First driving device 6c includes variable-frequency motor When, the revolving speed of variable-frequency motor constantly converts and then harrow nail roller 6a is driven to swing or rotate at different rates, causes load Also variation in real time.
Further, the ratio of the harrow nail roller 6a is arranged area and discharging open area are as follows: 55%~100%; The ratio of area and discharging open area that harrow nail roller 6a described in preferred scheme is arranged are as follows: 95%~100%.
In this way, discharge port can either be covered, guarantee that storage cavity 1b does not fall when blanking device 6 does not work, and can fill The material of dynamic storage cavity 1b discharge port everywhere is allocated, uniform blanking is made, is not in the uneven phenomenon of height in storage cavity 1b, protects Demonstrate,prove the stability of blanking.
It further, further include conveying device 7, the conveying device 7 includes the second driving device 7a and conveyer belt 7b, Conveyer belt 7b is arranged in the lower section of blanking device 6, and blanking device 6 drives material movement, under fall on conveyer belt 7b, the second driving Device 7a drives conveyer belt 7b to transport material;The second driving device 7a is connect with main control unit.
Conveyer belt 7b can receive whole falling materials, and transport material to upstream device and carry out further processing benefit With or the downstream of conveyer belt 7b meausring apparatus is set, material can be conveyed to meausring apparatus and slightly be weighed by conveyer belt 7b And/or thin weighing.
Specifically, conveyer belt 7b can be according to the signal designation of subsequent weighing sensor with appropriate conveying speed handle in real time Sheet-shaped solid materiel is conveyed to thick weighing scale, and then is carefully weighed, to reach the required precision of sheet-shaped solid materiel flux.
Preferably, the second driving device 7a and first driving device 6c chain control are controlled reactor effluent stream by main control unit Amount.
Second driving device 7a is driving motor, can be ordinary motor, or variable-frequency motor, with main control unit Connection.The conveying speed of conveyer belt 7b is changed by the transformation of speed of motor, main control unit is according to conveying speed and blanking speed Degree, the driving motor of chain control conveyer belt 7b and the driving motor of harrow nail roller 6a control simultaneously, reach the stream of control discharging The purpose of amount.
In addition, the present embodiment also provides a kind of a kind of controlling party of the charging gear of sheet-shaped solid materiel as described above Method, specific as follows:
Material enters after storage device 1 keeps in storage cavity 1b, and the material in storage cavity 1b is discharged blanking device 6; When the material position in storage cavity 1b is lower than minimum material position, blanking device 6 is controlled with front and continued discharging speed and continues constant speed discharging, simultaneously Material is inputted into storage cavity 1b;Stop input material after material position reaches highest material position in storage cavity 1b, blanking device 6 is by object Material discharge.
More specifically, according to the conveying speed of conveying device 7, main control unit controls the blanking velocity of blanking device 6, control Produce the flow of material.
Conveyer belt 7b in real time can consolidate sheet with appropriate conveying speed according to the signal designation of subsequent weighing sensor Body material is conveyed to thick weighing scale, to reach the required precision of sheet-shaped solid materiel flux.Main control unit is according to the speed of conveying Degree, control first driving device 6c drive multiple harrow nail roller 6a movements, stir material, drive material with stable discharging speed Under fall on conveyer belt 7b, achieve the purpose that accurately to control discharging flow.
Test example one
Using the charging gear in embodiment one, the 20mm × 20mm cellulose pulp piece crushed is passed through into feed inlet 1a It is added continuously storage cavity 1b, the material position of storage cavity inner cellulose pulp piece is more than each level switch, then this level switch Redden color, and the level switch display point for the color that reddens during charging can be gradually increasing, aobvious in the highest level switch 3f of setting Show after a little reddening, main control unit notifies charging to stop automatically.The thick cellulose pulp flow for weighing weighing belt of setting at this time For 1800kg/h, starts the thick weighing belt that weighs and start to work, until equal in the desk-top sensor belt surface for slightly weigh weighing belt It is even when being covered with cellulose pulp, stop it is thick weigh weighing belt, then set the cellulose pulp flow of essence weighing weighing belt as Then 1800kg/h first opens the thick weighing belt that weighs and works, being weighed on the belt of weighing belt to essence has portion of cellulose pulp to fall When descending and having certain thickness, opens essence and weigh weighing belt work, balance is just automatically adjusted by built-in system later.When essence claims When cellulose pulp is material bed thinning on amount weighing belt, system increases the flow of the thick cellulose pulp for weighing weighing belt automatically, And the self-balancing system for slightly weighing weighing belt can increase the blanking velocity of blanking device and the revolving speed of conveyor belt automatically, to increase The supply amount of cellulose pulp, and then guarantee that essence weighs the precision of weighing belt, when the minimum material of the cellulose pulp in storage cavity Bit switch 3iWhen display point is by red greening, it is whole to guarantee that main control unit notifies that cellulose pulp charging system feeds automatically The normal operation of a system;When essence, which weighs the cellulose pulp layer on weighing belt, to thicken, main control unit reduces thick title automatically The flow of the cellulose pulp of weighing belt is measured, and the automatic-balancing system for slightly weighing weighing belt can be reduced under blanking device automatically Expect the revolving speed of speed and conveyor belt, to reduce the supply amount of cellulose pulp, and then guarantees that essence weighs the precision of weighing belt, when The highest level switch 3 of cellulose pulp in storage cavityfWhen display point is by green redden, main control unit notifies cellulose pulp Charging system stops charging to guarantee not overflow in storage cavity.
Using Fig. 1 of the present invention and equipment shown in Fig. 2, when pulp flow is 1800kg/h, continuous flow in the 4min period It is as shown in table 1 to measure test result, when pulp flow is 3600kg/h, continuous flow test result such as table 2 in the 3min period It is shown.
Flow rate test (continuous) result in 1 pulp flow 1800kg/h, the 3min period of table
When 2 pulp flow 3600kg/h of table, flow rate test result in the 3min period
As shown in result in Tables 1 and 2, using the charging gear of the sheet-shaped solid materiel in the embodiment of the present invention one, Discharging flow is uniform and stable, is easy to control, and the phenomenon that gets stuck does not occur.
Comparative example one
The common sheet continous way weighing scale that this comparative example provides is passed by feed bin, frequency conversion discharging machine, discharge screw, weight Sensor weighs platform and robot control system(RCS) electric cabinet composition.The input end of feed bin is big, and outlet end is small, and feed bin and discharge screw directly connect It connects, discharge screw is followed by frequency conversion discharging machine, and feed bin, discharge screw, robot control system(RCS) electric cabinet and frequency conversion discharging machine are integrally put It sets and is weighed on platform in weight sensor.
The sheet pulp piece of the 20mm × 20mm crushed is continuously added to the feed bin of common sheet continous way weighing scale, Stop charging when the weight amount of weight sensor reaches the upper limit value of setting, then the revolving speed of discharge screw is passed according to weight The variation of sensor numerical value is automatically adjusted, and charging system is opened when the weight amount of weight sensor reaches preset lower limit System, and discharge screw discharging revolving speed according to open feed system before revolving speed constant-speed operation, until the weight of weight sensor When the upper limit value that numerical value reaches setting stops feed entrance point, normal operation mode is opened.
Using this comparative example provide common sheet continous way weighing scale tested, when pulp flow be 1800kg/h, It is a feeding testing time section with the 3min period, tests 6, as a result has in 5 test process in this six tests and exist Continuity gets stuck, and the measurement accuracy deviation that only one does not get stuck is -8.2%;When pulp flow is 450kg/h, when with 4min Between Duan Weiyi feeding testing time section, test 6, as a result all there is continuity in six test process and get stuck, only one The measurement accuracy deviation not got stuck is+16.8%, and thus result can be seen that this equipment is not suitable for the continuous of sheet pulp piece The uniform blanking of property;
It is because material is stuck between discharging spiral and barrel or taper feed bin is built bridge every time during weighing herein It causes to get stuck.So type equipment is not suitable for sheet-shaped solid materiel, such as the discharging of cellulose pulp piece.
Comparative example two
The electromagnetic viscosimeter sheet continous way weighing scale that this comparative example provides is weighed by storage bin, hertz oscilltor, belt-type Scale composition.Storage bin is a rectangular hopper, and input end is big, and outlet end is small, and in hopper two sides, there are two X-members to paste inner wall Install simultaneously controlled by air-operated solenoid valve, staggeredly swing, storage bin outlet immediately below be hertz oscilltor, this hertz oscilltor with unload Hopper links together, and discharge groove outlet is in belt-type weighing scale front end.
Hertz oscilltor sheet continous way weighing scale is continuously added in the sheet pulp piece of the 20mm × 20mm crushed Storage bin in, then the X-member of hopper two sides is in the case where the intersection of compressed air pneumatic operated valve pushes, material in storage bin It is loose by X-member and then fallen in the blowpit being connect with hertz oscilltor by bin outlet, in the vibration of hertz oscilltor Under effect, sheet pulp is transported to belt-type weighing scale front end via blowpit, through passing a bridge in the forward movement of belt Formula sensor measures the flow of moment sheet pulp, and the flow of equipment is then calculated by the conversion of single-chip microcontroller computing system.
Using this comparative example provide common sheet continous way weighing scale tested, when pulp flow be 1800kg/h, It is a feeding testing time section with the 3min period, tests 6, as a result this six tests has continuity and get stuck;Work as slurry Dregs of rice flow is 450kg/h, is a feeding testing time section with the 4min period, tests 6, as a result have in six test process There are continuitys to get stuck for 5 tests, and the measurement accuracy deviation that only one does not get stuck is -10.5%, and thus result can be seen that This equipment is not suitable for the uniform blanking of continuity of cellulose pulp piece.
It during weighing herein, is occurred because material bridge formation causes equipment to be not normally functioning in storage bin every time The phenomenon that getting stuck.So type equipment is not suitable for sheet-shaped solid materiel, such as the discharging of cellulose pulp piece.
The above is only presently preferred embodiments of the present invention, is not intended to limit the present invention in any form, though So the present invention has been disclosed as a preferred embodiment, and however, it is not intended to limit the invention, any technology people for being familiar with this patent Member without departing from the scope of the present invention, when the technology contents using above-mentioned prompt make it is a little change or be modified to The equivalent embodiment of equivalent variations, but anything that does not depart from the technical scheme of the invention content, it is right according to the technical essence of the invention Any simple modification, equivalent change and modification made by above embodiments, in the range of still falling within the present invention program.

Claims (10)

1. a kind of charging gear of sheet-shaped solid materiel, which is characterized in that including ontology, ontology is equipped with storage device, storing Device has storage cavity, and the upper end of storage cavity is equipped with feed inlet, and the bottom of storage cavity is equipped with discharge port, and discharge outlet is equipped with blanking Device;Material keeps certain material position in storage cavity, and the material in storage cavity is discharged blanking device.
2. a kind of charging gear of sheet-shaped solid materiel according to claim 1, which is characterized in that further include main control dress It sets, the outside of storage device is equipped with material-level detecting device, and material-level detecting device is electrically connected with main control unit, the material position that will test Signal is transferred to main control unit, when material position is lower than minimum predetermined value, material is inputted into storage cavity, under blanking device stops Material;Stop input material when material position is more than highest preset value;
Preferably, material-level detecting device includes at least highest material-level measure sensor and minimum material-level measure sensor.
3. a kind of charging gear of sheet-shaped solid materiel according to claim 2, which is characterized in that the material-level measure Device include it is multiple, multiple material-level detecting devices are arranged above and below on the outer wall of storage device along the short transverse of storage cavity, more A material-level detecting device is connect with main control unit respectively, detects different material positions.
4. a kind of charging gear of sheet-shaped solid materiel according to claim 2 or 3, which is characterized in that the storing Device is equipped with visual window, and the outer surface of visual window is arranged in multiple material-level detecting devices, and along the short transverse of visual window It is distributed from top to bottom, the continuous material position variation detected in storage cavity;
Preferably, multiple material-level detecting device intervals on visual window are uniformly distributed.
5. a kind of charging gear of sheet-shaped solid materiel according to any one of claims 1-4, which is characterized in that described Storage cavity gradually amplify from feed end to discharge end, the inner wall of storage cavity seamlessly transits everywhere;
Preferably, the storage device is pyramid type or circular platform type, cone angle α, the size of cone angle are as follows: 0 ° of α≤120 ° <;
Preferably, cone angle size are as follows: 5 °≤α≤40 °.
6. a kind of charging gear of sheet-shaped solid materiel described in -5 any one according to claim 1, which is characterized in that described Blanking device include first driving device and harrow nail roller, the surface of harrow nail roller is equipped with multiple harrow nails, the setting of harrow nail roller In the discharge outlet of storage device, first driving device is connect with main control unit, the output end and harrow nail of first driving device Roller connection, drives harrow nail drum movement, and drives the material in storage cavity to fall and be discharged.
7. a kind of charging gear of sheet-shaped solid materiel according to claim 6, which is characterized in that harrow nail roller is equipped with more A, multiple harrow nail rollers are distributed side by side, and are connected by connecting rod;The output end of first driving device is connect with connecting rod, and driving connects Bar movement, connecting rod drive multiple harrow nail drum movements, drive the material in storage cavity to fall and are discharged;
Preferably, first driving device drives multiple harrow nail rollers to rotate in same direction/swing, and/or backwards rotation, and/or reciprocal Rotation.
8. a kind of charging gear of sheet-shaped solid materiel according to claim 7, which is characterized in that the harrow nail roller institute The area of arrangement and the ratio of discharging open area are as follows: 55%~100%;
Preferably, the ratio of the harrow nail roller is arranged area and discharging open area are as follows: 95%~100%.
9. a kind of charging gear of sheet-shaped solid materiel according to claim 2-8 any one, which is characterized in that also wrap Conveying device is included, the conveying device includes the second driving device and conveyer belt, and the lower section of blanking device is arranged in conveyer belt, Blanking device drive material movement, under fall on conveyer belt, the second driving device drive conveyer belt transport material;Described second Driving device is connect with main control unit;
Preferably, the second driving device and first driving device chain control are controlled discharging flow by main control unit.
10. a kind of a kind of control method of the charging gear of sheet-shaped solid materiel as described in any one of claims 1-9, It is characterized in that, material enters after storage device keeps in storage cavity, and the material in storage cavity is discharged blanking device;Work as storing When material position in chamber is lower than minimum material position, material is inputted into storage cavity, after material position reaches highest material position in storage cavity, is stopped It is fed into storage cavity;
Preferably, according to the conveying speed of conveying device, main control unit controls the blanking velocity of blanking device, controls discharging Flow.
CN201711376725.0A 2017-12-19 2017-12-19 A kind of charging gear and control method of sheet-shaped solid materiel Pending CN109399239A (en)

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Publication number Priority date Publication date Assignee Title
CN110465396A (en) * 2019-09-16 2019-11-19 重庆唯美陶瓷有限公司 A kind of continuous ball milling matches feeding system and method
CN112440856A (en) * 2020-12-16 2021-03-05 郓城瑞达专用车制造有限公司 Bulk cement tank car with quick unloading mechanism

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CN203529477U (en) * 2013-10-29 2014-04-09 广州市科密办公科技有限公司 Extruder feeding system for powdered ink production
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CN204280748U (en) * 2014-11-05 2015-04-22 中粮营养健康研究院有限公司 Dial roll-type storage bin unloading device
CN204777747U (en) * 2015-07-09 2015-11-18 福建永恒能源管理有限公司 Novel powder precise measurement and stable powder that supplies device
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JPS58162410A (en) * 1982-03-19 1983-09-27 Nippon Conveyor Koji Kk Buffering apparatus for lump substance etc. in belt conveyor chute
CN103569689A (en) * 2013-10-23 2014-02-12 中国重型机械研究院股份公司 Cylindrical ageing storehouse capable of automatically distributing and discharging
CN203529477U (en) * 2013-10-29 2014-04-09 广州市科密办公科技有限公司 Extruder feeding system for powdered ink production
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* Cited by examiner, † Cited by third party
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CN110465396A (en) * 2019-09-16 2019-11-19 重庆唯美陶瓷有限公司 A kind of continuous ball milling matches feeding system and method
CN112440856A (en) * 2020-12-16 2021-03-05 郓城瑞达专用车制造有限公司 Bulk cement tank car with quick unloading mechanism

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Application publication date: 20190301