CN202393474U - Non-continuous metering constant feeder - Google Patents
Non-continuous metering constant feeder Download PDFInfo
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- CN202393474U CN202393474U CN2011204649944U CN201120464994U CN202393474U CN 202393474 U CN202393474 U CN 202393474U CN 2011204649944 U CN2011204649944 U CN 2011204649944U CN 201120464994 U CN201120464994 U CN 201120464994U CN 202393474 U CN202393474 U CN 202393474U
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- feeder
- load sensor
- constant feeder
- metering constant
- hopper
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Abstract
The utility model relates to a non-continuous metering constant feeder which includes a storage bin, a feeding mechanism, a hopper, a material conveying mechanism, and correction mechanisms. The hopper is supported by a plurality of load sensors, and each load sensor is connected with one correction mechanism. The correction mechanism includes a lifting mechanism and a counterweight. One end of the lifting mechanism is connected with the load sensor, and the other end is connected with the counterweight. The lifting mechanism lifts or plates the counterweight on a supporting object. A machine platform is provided with a signal processing part which is connected with input and output signals of the sensors and a control instrument. The non-continuous metering constant feeder not only can correct a scale body, but also can automatically determine the state of each load sensor, thus overcoming the difficulty of on-line automatic detection of the load sensor. Through arranging the signal processing part, connecting lines of the on-site scale body are reduced, the device investment is lowered, and the device maintenance becomes simple and convenient.
Description
Technical field
The utility model is about a kind of discontinuous metering constant feeder, especially a kind ofly can carry out online detection and the discontinuous metering constant feeder that is easy to safeguard simple in structure to each sensor.
Background technology
Discontinuous metering constant feeder is to use on a kind of industrial production line, and chunky shape, powdery, liquid are carried out automatically the quantitatively equipment of continuous-feeding.As shown in Figure 5, it mainly comprises feed bin 1, is arranged on the feeder 2 of feed bin 1 bottom; Correspondence is arranged on the hopper 3 of said feeder 2 bottoms, and the material conveying mechanism 7 that is arranged on said hopper 3 bottoms, wherein; Said hopper 3 is supported by a plurality of load sensors 4; The principle of work of this known discontinuous metering constant feeder is: feeder 2 (material conveying mechanism) is transported to material by three hoppers 3 that support to six load sensors 4 from material bin 1, reach certain quantity after feeder 2 stop automatically, pass the signal to after the control instrument weighed amount through load sensor 4; Restart the material conveying mechanism 7 that is positioned at above-mentioned hopper 3 bottoms; Material in the hopper 3 is emitted, after having put, weigh once more; The result who weighs for above-mentioned twice is subtracted each other, can obtain mass transport amount accurately.This process constantly circulates, and gets final product continuous-feeding.In hopper 3, putting into material is list-directed by controller with emitting material, so as long as configure each blanking amount (the blanking quantity of every bucket), just can control the flow of material.In addition, in order to guarantee to weigh accurately, on hopper 3, automatic correcting mechanism is housed also, it is formed with counterweight 6 by being fixed on hopper 3 outside hoisting gears 5, and their quantity is confirmed according to the size and the shape of actual hopper 3, one or more can be installed.When needs are proofreaied and correct (calibration) to equipment; Hoisting gear 5 pull-up counterweights 6, can be through load sensor 4 with signal conveys to control instrument, the weight weight ratio actual with it through measured counterweight 6 is than realizing batcher is proofreaied and correct; Proofread and correct and finish, hoisting gear 5 puts down counterweight 6 again.This is basic structure and the operational process of known discontinuous metering constant feeder.
Above-mentioned automatic correcting mechanism can be realized the correction to said discontinuous metering constant feeder, still, and by described constant feeder; Load sensor 4 more than three is set usually; In use, exceed standard, need to judge to be that load sensor 4 is when having problem in case find the constant feeder precision; Above-mentioned known automatic correcting mechanism then can't be accomplished, and needs manual work to measure one by one.This known discontinuous metering constant feeder aligning gear is complicated, not easy to operate to the upkeep operation of field apparatus.
The utility model content
The purpose of the utility model provides a kind of discontinuous metering constant feeder; Especially a kind of have the aligning gear that can accurately proofread and correct the batcher measuring accuracy, also can carry out online detection to each sensor, and the discontinuous metering constant feeder that is easy to safeguard simple in structure.
For this reason, the utility model proposes a kind of discontinuous metering constant feeder, has feed bin; Be arranged on the feeder of feed bin bottom, correspondence is arranged on the hopper of said feeder bottom, is arranged on the material conveying mechanism of said hopper bottom; And aligning gear, and said hopper supports by a plurality of load sensors, wherein; Each said load sensor is connected with a said aligning gear, and said aligning gear comprises hoisting gear and counterweight, and an end of said hoisting gear is connected with said load sensor; The other end can be connected with said counterweight, and it is mentioned or is positioned on the stilt.
Aforesaid discontinuous metering constant feeder, wherein, said hoisting gear be fixedly installed on said load sensor under.
Aforesaid discontinuous metering constant feeder, wherein, said feeder, material conveying mechanism, each aligning gear all have two position transducers.
Aforesaid discontinuous metering constant feeder; Wherein, The board of said discontinuous metering constant feeder is provided with a Signal Processing Element; Said Signal Processing Element comprises communication interface, central processing unit and output, the input interface that is connected successively; The drive signal of the output signal of each said position transducer, load sensor and driving feeder, material conveying mechanism, aligning gear action is connected with said Signal Processing Element through said output, input interface respectively, and said communication interface is connected with control instrument.
Aforesaid discontinuous metering constant feeder, wherein, said Signal Processing Element is connected with the digital communication interface of control instrument through the digital communication line.
Aforesaid discontinuous metering constant feeder, wherein, said communication interface is a serial line interface.
Aforesaid disconnected metering constant feeder, wherein, said hoisting gear is hydraulic cylinder, cylinder or electric screw jacking gear.
The advantage and the characteristics of the utility model are:
The discontinuous metering constant feeder of the utility model; One cover automatic correcting mechanism all is set under each load sensor; Therefore not only can proofread and correct the scale body; Can also judge the quality of each load sensor automatically, well solve the difficult problem of load sensor online automatic detection.
In addition, the utility model reduces the complexity of on-the-spot scale body line through the signalization processing element greatly, not only make investment of devices reduce, and the maintenance of equipment is also more simple and convenient.
Description of drawings
Following accompanying drawing only is intended to the utility model is done schematic illustration and explanation, does not limit the scope of the utility model.Wherein,
Fig. 1 is the structural representation of the discontinuous metering constant feeder of the utility model;
Fig. 2 is an aligning gear synoptic diagram of the discontinuous metering constant feeder of the utility model;
Fig. 3 is the drive signal intention of connecting gear of the discontinuous metering constant feeder of the utility model;
Fig. 4 is the input of the discontinuous metering constant feeder of the utility model, the connection synoptic diagram of output Signal and Signal Treatment parts;
Fig. 5 is the structural representation of known discontinuous metering constant feeder.
The drawing reference numeral explanation:
1, feed bin 10,10 ', signal wire 2, feeder
21,23, position transducer 22,24, output signal 25, drive signal
3, hopper 4, load sensor 41,41 ', 41 ", output signal
5, hoisting gear 51,51 ', 51 ", drive signal 52,55, position transducer
53,54,53 ', 54 ', 53 ", 54 ", output signal 6, counterweight
7, material conveying mechanism 71,73, position transducer 72,74, output signal
75, drive signal 8, control instrument 9, Signal Processing Element
93, output, input interface 92, central processing unit 91, communication interface
Embodiment
Understand for technical characterictic, purpose and effect to the utility model have more clearly, contrast the embodiment of description of drawings the utility model at present.
Fig. 1 is the structural representation of the discontinuous metering constant feeder of the utility model; Fig. 2 is an aligning gear synoptic diagram of the discontinuous metering constant feeder of the utility model; Fig. 3 is the drive signal intention of connecting gear of the discontinuous metering constant feeder of the utility model; Fig. 4 is the input of the discontinuous metering constant feeder of the utility model, the connection synoptic diagram of output Signal and Signal Treatment parts.
As shown in Figure 1; The discontinuous metering constant feeder that the utility model proposes has feed bin 1, is arranged on the feeder 2 of feed bin 1 bottom, and correspondence is arranged on the hopper 3 of said feeder 2 bottoms; Be arranged on the material conveying mechanism 7 of said hopper 3 bottoms, and aligning gear.Said hopper 3 is supported by a plurality of load sensors 4; The quantity that is provided with of this load sensor 4 is not done qualification, need be provided with usually more than three or three, and just expression is provided with three load sensors 4 in a specific embodiment shown in Figure 1; Each said load sensor 4 is connected with a said aligning gear; Said aligning gear comprises hoisting gear 5 and counterweight 6, and an end of said hoisting gear 5 is connected with said load sensor 4, and the other end can be connected with said counterweight 6; It is mentioned or is positioned on the stilt, as be placed on ground or the brace table.
Preferably, with said hoisting gear 5 be fixedly installed on said load sensor 4 under, improve to detect the accuracy of numerical value.
Further, said feeder 2, material conveying mechanism 7, each aligning gear all have two position transducers.In Fig. 2, Fig. 3, each sensor has been carried out schematic expression; As shown in the figure; Said feeder 2 has position transducer 21,23; Material conveying mechanism 7 has position transducer 71,73, and said aligning gear has the position transducer 52,55 whether detection counterweight 6 really is pulled up or puts down fully, and each position transducer 21,23 has output signal 22,24 respectively; Position transducer 71,73 has output signal 72,74 respectively, and position transducer 52,55 has output signal 53,54 respectively.Load sensor 4 has output signal 41.The numerical value (signal of its output) that arrives according to sensor; Control instrument sends the signal that drives each execution unit action; Promptly drive the drive signal 51 that hoisting gear 5 rises or descends; Drive feeder 2 and open, or feeder 2 closes the drive signal 25 that stops feed to hopper 3 feed, and control material conveying mechanism drive signal 75 that material is discharged or stopped to discharge.With batcher 3 load sensors 4 are set and calculate above-mentioned each output, input, drive signal shared signal line:
● the output signal of each load sensor 4 is minimum to have 4 lines (in the drawings only schematically with label 4 expressions), 3 load sensors then: the line of 3x4=12 root output signal;
If (with 4 load sensors then: 4x4=16 root line)
● drive the drive signal 25,75 of feeder 2 and material conveying mechanism 7, each needs two lines: 2x2=4 root line;
Whether detect feeder 2 and worked and complete out-of-work sensor 21,23,71,73 with material conveying mechanism 7, each sensor has 3 lines then: 4x3=12 root line;
● the counterweight hoisting gear is by being provided with 3 calculating, the line (among the figure only schematically with label 51 expressions) that each counterweight hoisting gear has 2 transmission drive signals then: 3x2=6 root line;
● each has the lines of 3 output signals the position transducer 52,55 of counterweight hoisting gear, and then 3 counterweight hoisting gears have: 3x2x3=18 root line;
When a discontinuous metering constant feeder used the structure of 3 load sensors, electric wire line number altogether was:
12+4+12+6+18=52 root line
This is minimum situation, if when batcher is provided with 4 load sensors, then signal wire also wants many.Actual situation is, mostly this batcher is that combination uses, and general one group is 6～20 or more, and wiring situation at this moment will be more complicated.
These signal wires all will be connected to control instrument, because the production scene dust is big, environment is abominable, and instrument and control section all can be installed away from the scene, and tens meters distance will be arranged at least, and this just a problem occurred, and line is too assorted too much.The expense of installing is big, and fault is many in actual the use, and maintenance, maintenance are very inconvenient.
For this reason; The board of the discontinuous metering constant feeder that the utility model proposes is provided with Signal Processing Element 9; Said Signal Processing Element 9 comprises communication interface 91, central processing unit 92 and output, the input interface 93 that is connected successively; The drive signal of the output signal of each said position transducer, load sensor, driving feeder 2, driving material conveying mechanism 7, the action of driving automatic correcting mechanism; Be connected with said Signal Processing Element 9 through said output, input interface 93 respectively, the communication interface 91 of said Signal Processing Element 9 is connected with control instrument 8 by signal wire 10,10 '.
Further, said Signal Processing Element is connected with the digital communication interface of control instrument through the digital communication line.Said communication interface preferably adopts serial line interface.
In a specific embodiment of the utility model; Numerous data that said Signal Processing Element 9 arrives each sensor acquisition are sent to control instrument 8 successively with the method for serial communication, and instrument receives these data; Priority by them is arranged, and uses respectively to get final product.The advantage of the method for serial communication is simple, and shortcoming is to have reduced the speed that data transmit.Because the action response of the batcher of the utility model needs the regular hour, therefore adopt the serial communication method transmission can satisfy the request for utilization of equipment fully.Certainly, also can adopt parallel communication method to transmit the data that collect, but will increase manufacturing, the maintenance cost of equipment compared to serial communication method.
The principle of work of the utility model is (to be the example explanation with what use three load sensors; When using four or more sensor; Principle is identical): at the feed opening from feed bin 1 equipment--the feeder 2 that can material be emitted is installed, in the time of feeder 2 work, material gets into hopper 3 (also can be described as the metering hopper usually); This hopper 3 is supported by three load sensors 4, and this load sensor can be pulling force sensor or pressure transducer.The bottom of hopper 3 is provided with the material conveying mechanism 7 that can material be emitted.Above-mentioned each parts are controlled by known instrument, can set each feeding coal through this instrument.Whether correct on request during work, at first feeder 2 action is put into material in the hopper 3, and position transducer 21,23 will detect data (exporting signal 22,24) and be transported to control instrument 8, be used to detect feeder 2 startup and stop fully.When the material in the hopper 3 reached desired amount, control instrument 8 sends drive signal 25 made feeder 2 stop feed automatically.At this moment, load sensor 4 is passed to control instrument 8 with the data that record (output signal 41), calculates first gravimetric value by control instrument 8.Control instrument 8 sends drive signal 75 then, makes material conveying mechanism 7 actions, discharges material, and when the material in the hopper 3 racked up or reach the discharge capacity of setting, control instrument 8 sends drive signal once more quit work material conveying mechanism 7.Whether correct on request position transducer 71,73 will detect data (output signal 72,74) and be transported to control instrument 8, be used to detect material conveying mechanism 7 startup and stop fully.At this moment, another group data that load sensor 4 will record are passed to instrument, calculate second gravimetric value by control instrument 8, and the difference of first, second gravimetric value is exactly this accurate blanking amount.And then the repetition said process that moves in circles, feed that just can be continuous reaches production requirement.
When erecting equipment or equipment operation a period of time need proofread and correct or calibrate the time; Realize by automatic correcting mechanism under each load sensor 4 through being arranged on for the utility model; It comprises hoisting gear 5 and the counterweight 6 that is fixed on load sensor 4 bottoms; This hoisting gear 5 can be conventional hoisting gear, like hydraulic cylinder, cylinder or electric screw jacking gear.Timing; The hoisting gear 5 pull-up counterweights 6 that at every turn have only load sensor 4 belows; Can proofread and correct this load sensor 4 separately, after correction finished, said hoisting gear 5 put down counterweight 6 again; Carry out so successively, can accomplish correction and fault judgement each load sensor 4.After each load sensor 4 was all proofreaied and correct well, the correction of scale body had also just been accomplished.The concrete steps of correction operation repeat no more at this with known identical.
The utility model is through all installing an automatic correcting mechanism under each load sensor 4; Its advantage is when one of them counterweight of pull-up, to have only that load sensor 4 of this counterweight top stressed; To the not influence of other load sensor; Because the weight of counterweight 6 is known, pass through quality and the fault of the data of control instrument set inside like this, so originally only be used to calibrate the counterweight of scale with regard to this load sensor of decidable; In the utility model, can accomplish load sensor is tested automatically simultaneously, well solve the difficult problem of load sensor online automatic detection.
Owing to increased correcting unit, make original scale body that has had a lot of lines in the utility model, wiring is more.But through a Signal Processing Element 9 is set; Said Signal Processing Element 9 comprises output, input interface 93, central processing unit 92 and communication interface 91 at least; In a specific embodiment; The model of this output, input interface 93 is 7128SLC84, and the model of central processing unit 92 is MCS80C51, and the model of communication interface 91 is 75LBC184.With the output of each said position transducer, load sensor, input signal cable, driving feeder 2, drive material conveying mechanism 7, the signal that drives the automatic correcting mechanism action all be connected with said Signal Processing Element 9 (transmit the line of two other sensor and aligning gear signal, in Fig. 4 respectively with label 51 ', 41 '; 53 ', 54 ' and 51 ", 41 "; 53 ", 54 " expression), said Signal Processing Element 9 through export, input signal cable 10,10 ' is connected with control instrument 8; Thereby simplified the numerous and diverse of scene greatly; Reduced cost simultaneously, maintenance and maintenance are very convenient, and failure rate also greatly reduces.
The above is merely the schematic embodiment of the utility model, is not in order to limit the scope of the utility model.Any those skilled in the art, equivalent variations of under the prerequisite of design that does not break away from the utility model and principle, having done and modification all should belong to the scope that the utility model is protected.
Claims (7)
1. a discontinuous metering constant feeder has feed bin, is arranged on the feeder of feed bin bottom; Correspondence is arranged on the hopper of said feeder bottom, is arranged on the material conveying mechanism of said hopper bottom, and aligning gear; And said hopper is supported by a plurality of load sensors; It is characterized in that: each said load sensor is connected with a said aligning gear, and said aligning gear comprises hoisting gear and counterweight, and an end of said hoisting gear is connected with said load sensor; The other end can be connected with said counterweight, and it is mentioned or is positioned on the stilt.
2. discontinuous metering constant feeder as claimed in claim 1 is characterized in that, said hoisting gear be fixedly installed on said load sensor under.
3. discontinuous metering constant feeder as claimed in claim 1 is characterized in that said feeder, material conveying mechanism, each aligning gear all have two position transducers.
4. discontinuous metering constant feeder as claimed in claim 3; It is characterized in that; The board of said discontinuous metering constant feeder is provided with a Signal Processing Element; Said Signal Processing Element comprises communication interface, central processing unit and output, the input interface that is connected successively; The drive signal of the output signal of each said position transducer, load sensor and driving feeder, material conveying mechanism, aligning gear action is connected with said Signal Processing Element through said output, input interface respectively, and said communication interface is connected with control instrument.
5. discontinuous metering constant feeder as claimed in claim 4 is characterized in that said Signal Processing Element is connected with the digital communication interface of control instrument through the digital communication line.
6. discontinuous metering constant feeder as claimed in claim 5 is characterized in that said communication interface is a serial line interface.
7. like each described disconnected metering constant feeder of claim 1 to 6, it is characterized in that said hoisting gear is hydraulic cylinder, cylinder or electric screw jacking gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204649944U CN202393474U (en) | 2011-11-21 | 2011-11-21 | Non-continuous metering constant feeder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204649944U CN202393474U (en) | 2011-11-21 | 2011-11-21 | Non-continuous metering constant feeder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202393474U true CN202393474U (en) | 2012-08-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204649944U Expired - Lifetime CN202393474U (en) | 2011-11-21 | 2011-11-21 | Non-continuous metering constant feeder |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103438977A (en) * | 2013-07-18 | 2013-12-11 | 江苏联峰能源装备有限公司 | Novel automatic checking device and method of steel-making loading hopper scale |
| CN106618155A (en) * | 2016-12-13 | 2017-05-10 | 美的集团股份有限公司 | Material conveying control method, material conveying control system and cooking device |
| CN109489793A (en) * | 2017-09-13 | 2019-03-19 | 河北银隆新能源有限公司 | Automatic auxiliary calibration device for lithium battery feeding system |
-
2011
- 2011-11-21 CN CN2011204649944U patent/CN202393474U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103438977A (en) * | 2013-07-18 | 2013-12-11 | 江苏联峰能源装备有限公司 | Novel automatic checking device and method of steel-making loading hopper scale |
| CN106618155A (en) * | 2016-12-13 | 2017-05-10 | 美的集团股份有限公司 | Material conveying control method, material conveying control system and cooking device |
| CN109489793A (en) * | 2017-09-13 | 2019-03-19 | 河北银隆新能源有限公司 | Automatic auxiliary calibration device for lithium battery feeding system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120822 |
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| CX01 | Expiry of patent term |