CN104460498B - Topping machanism and cutting process - Google Patents
Topping machanism and cutting process Download PDFInfo
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- CN104460498B CN104460498B CN201410478971.7A CN201410478971A CN104460498B CN 104460498 B CN104460498 B CN 104460498B CN 201410478971 A CN201410478971 A CN 201410478971A CN 104460498 B CN104460498 B CN 104460498B
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/45—Nc applications
- G05B2219/45044—Cutting
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- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Weight Measurement For Supplying Or Discharging Of Specified Amounts Of Material (AREA)
- Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
- Feedback Control In General (AREA)
Abstract
The present invention provides a kind of topping machanism, can be with the rapid cutting shot-like particle of accurately amount.Specifically, topping machanism possesses：Storagetank；Weigh groove；Feed appliance, from storagetank to weighing groove cutting shot-like particle；Weighing apparatus, determine the weight for weighing groove；Estimator calculating part, when gradually decreasing the responsiveness of feed appliance according to decrescence amount set in advance, calculates the estimation cutting output cut before feed appliance stopping；Aequum calculating part, subtracts the amount for the shot-like particle cut obtained according to the measured value of weighing apparatus from target cutting output and calculates required cutting output；And feed appliance control unit, following control feed appliance, when estimating that cutting output is less than required cutting output reduce compared with decrescence measuring degree decrescence, when estimating that cutting output exceedes required cutting output increase compared with decrescence measuring degree decrescence, and gradually decrease responsiveness.
Description
Technical field
The present invention relates to a kind of topping machanism and cutting process.
Background technology
Need that granular feedstock is cut and supplied with desired amount in blast furnace etc..In the past, a kind of cutting dress is widely used
Put, it possesses：Storagetank, stores raw material；Groove is weighed, for weighing raw material；Feed appliance, it is former from storagetank to groove cutting is weighed
Material；And weighing apparatus, determine the weight for weighing groove.Due in this topping machanism, after halt instruction is sent to feed appliance
The phenomenon (hereinafter referred to as " flowing into ") of raw material inflow occurs because of inertia motion of feed appliance etc., therefore it is difficult to accurately to measure
Cut raw material.In this regard, for example there is a kind of topping machanism disclosed in patent document 1, allowing hand over runs at high speed feed appliance
High speed motion and the low speed that makes feed appliance run with low speed act, and with raw material cutting output close to desired value from
High speed motion switches to low speed action.
Patent document 1：Japan's patent the 2608968th
In order to improve the accuracy of cutting output in above-mentioned topping machanism, cutting speed suppression when preferably low speed is acted
Be made as it is relatively low, while extend low speed action during.But, during the cutting speed of reduction low speed action or extension low speed action
When, then the high speed cut declines.Therefore, it is difficult to make the accuracy and cutting speed of cutting output set up simultaneously.
The content of the invention
Then, it is an object of the invention to provide a kind of device and method, shot-like particle can be cut rapidly accurately to measure.
Topping machanism involved in the present invention possesses：Characterized in that, possessing：Storagetank, stores shot-like particle；Weigh groove,
For weighing the shot-like particle；Feed appliance, from shot-like particle described in the storagetank to the weighing groove cutting；Weighing apparatus, are determined
The weight for weighing groove；Estimator calculating part, according to decrescence amount set in advance make the responsiveness of the feed appliance by
When decrescence less, the amount of the shot-like particle cut before feed appliance stopping being calculated, the value calculated is regard as estimation
Cutting output；Aequum calculating part, calculates the cutting for subtracting and being obtained according to the measured value of the weighing apparatus from target cutting output
The shot-like particle amount after amount, regard the value calculated as required cutting output；And feed appliance control unit, control is described as follows
Feed appliance, degree decrescence is reduced when the estimation cutting output is less than the required cutting output compared with the decrescence amount,
Increase degree decrescence compared with the decrescence amount when the estimation cutting output exceedes the required cutting output, and make action
Speed is gradually decreased.
Cutting process involved in the present invention includes：By feed appliance from the storagetank of shot-like particle is stored to for weighing
State shot-like particle described in the weighing groove cutting of shot-like particle；The weight of the weighing groove is determined by weighing apparatus；According to presetting
Decrescence amount when gradually decreasing the responsiveness of the feed appliance, calculate described in being cut before feed appliance stopping
The amount of shot-like particle, regard the value calculated as estimation cutting output；Calculate and subtracted from target cutting output according to the weighing apparatus
Amount after the amount for the shot-like particle that what measured value was obtained cut, regard the value calculated as required cutting output；And it is as follows
The feed appliance is controlled, makes journey decrescence compared with the decrescence amount when the estimation cutting output is less than the required cutting output
Spend and reduce, degree decrescence is increased compared with the decrescence amount when the estimation cutting output exceedes the required cutting output,
And gradually decrease responsiveness.
In accordance with the invention it is possible to accurately to measure rapid cutting shot-like particle.
Brief description of the drawings
Fig. 1 is the ideograph for the schematic configuration for representing the topping machanism involved by present embodiment.
Fig. 2 is to represent the block diagram that the function of controller is constituted.
Fig. 3 is the flow chart for the control sequence for representing cutting speed.
Fig. 4 is to illustrate the curve map that data use scope.
Fig. 5 is the curve map for the passage for illustrating cutting speed.
Symbol description
1- topping machanisms；2- storagetanks；3- feed appliances；5- weighs groove；6- weighing apparatus；14- aequum calculating parts；15- estimates
Calculating correction values portion；16- feed appliance control units；20- related information setting sections；R1- data use scope.
Embodiment
Below, just right embodiment of the invention is described in detail referring to the drawings.To with same parts or phase
The part mark identical symbol of congenerous, the repetitive description thereof will be omitted.
As shown in figure 1, topping machanism 1 possesses：Storagetank 2, feed appliance 3, frequency converter 4, weighing groove 5, weighing apparatus 6 and control
Device 10.Topping machanism 1 is the device for cutting the granular feedstock conveyed to blast furnace or granular reducing material etc. and being weighed.
Granular feedstock is, for example, iron ore.Granular reducing material is, for example, coke.Hereinafter, these raw materials or reducing material are referred to as " grain
Shape thing ".
Storagetank 2 is for storing the cutting object i.e. groove of shot-like particle.Feed appliance 3 is arranged on the bottom of storagetank 2, passes through
Vibrate to cut the shot-like particle in storagetank 2.Frequency converter 4 adjusts the responsiveness of feed appliance 3.Responsiveness is, for example, per unit
The workload of feed appliance 3 in time.Specifically, frequency converter 4 for example adjusts the amplitude and frequency of the vibration of the generation of feed appliance 3
At least one.Increase feed appliance 3 produce amplitude and frequency at least one equivalent to increase feed appliance 3 responsiveness.
In addition, feed appliance 3 is not limited to oscillatory type or rotary feeders or belt feeder etc..
It is the groove for weighing the shot-like particle cut from storagetank 2 to weigh groove 5.Groove 5 is weighed to configure under storagetank 2
Side, houses the shot-like particle cut from the bottom of storagetank 2.Weighing apparatus 6 are, for example, that the weight for weighing groove 5 is determined by force cell
Device.
Controller 10 is, for example, control computer, and feed appliance 3 is controlled via frequency converter 4.As shown in Fig. 2 controller
10 have desired value obtaining section 11, weight obtaining section 12, storage part 13, aequum calculating part 14, estimator calculating part 15, feeding
Device control unit 16 and related information setting section 20.Above-mentioned each portion shows composition functionally, need not be separated from each other on hardware.
Computing is repeated and defeated to the progress instruction of frequency converter 4 in controller 10 in some cycles (hereinafter referred to as " controlling cycle ")
Go out, thus control feed appliance 3.
Desired value obtaining section 11 obtains the target cutting output inputted by user.Weight obtaining section 12 obtains title from weighing apparatus 6
The weight of measuring tank 5.Storage part 13 is, for example, semiconductor memory, stores various values described later etc..
Aequum calculating part 14 is calculated to be subtracted according to having cut of obtaining of the measured value of weighing apparatus 6 from target cutting output
Amount (hereinafter referred to as " required cutting output ") after the amount of shot-like particle.
Estimator calculating part 15 according to decrescence amount set in advance when being gradually reduced the responsiveness of feed appliance 3, meter
Calculate the amount (hereinafter referred to as " estimation cutting output ") of the shot-like particle cut before feed appliance 3 stops.
Decrescence measure and be for example set to be gradually reduced responsiveness with certain ratio.Now, decrescence amount is set to
By each controlling cycle a certain amount (hereinafter referred to as " decrescence measuring ") is subtracted from responsiveness.Decrescence amount is stored in storage part 13
In, estimator calculating part 15 is obtained from storage part 13 and decrescence measured.Decrescence amount can also be set by user.
15 pairs of cutting speeds obtained according to responsiveness of estimator calculating part are integrated, and thus calculate estimation cutting
Amount.Cutting speed is the weight of the shot-like particle cut in time per unit from storagetank 2.Cutting speed is by by responsiveness
It is applied to responsiveness with the relevant information of cutting speed and obtains.Relevant information is stored in storage part 13, estimates gauge
Calculation portion 15 obtains relevant information from storage part 13.Relevant information is for example showed with function, and the parameter of the function is (hereinafter referred to as
" relevant parameter ") it is stored in storage part 13.
Feed appliance control unit 16 calculates the responsiveness of feed appliance 3, and feed appliance 3 is controlled via frequency converter 4, so as to
The responsiveness is acted.The responsiveness calculated is written into storage part 13.
Feed appliance control unit 16 is obtained before respectively from storage part 13, aequum calculating part 14 and estimator calculating part 15
Processing in set nearest responsiveness (hereinafter referred to as " responsiveness set "), required cutting output and estimation cutting
Amount, is used to set responsiveness.
When estimating that cutting output is consistent with required cutting output, what is stored in the acquirement storage part 13 of feed appliance control unit 16 is above-mentioned
Decrescence measure, subtracting this from the responsiveness set decrescence measures and set responsiveness.That is, action is made according to above-mentioned decrescence measure
Speed is gradually reduced.
When estimating that cutting output is less than required cutting output, feed appliance control unit 16 does not change the responsiveness set.That is,
Reduce responsiveness.In the case of this is included in the decrescence degree reduction for making responsiveness compared with decrescence measuring.
When estimating that cutting output exceedes required cutting output, feed appliance control unit 16 obtain stored in storage part 13 it is above-mentioned gradually
Decrement, sets the decrescence amount bigger than its, subtracts set decrescence amount from the responsiveness set and sets responsiveness.
That is, increase the decrescence degree of responsiveness compared with above-mentioned decrescence amount.
In addition, when cutting starts, responsiveness is set in initial value.The initial value is stored in storage part 13.Action
The initial value of speed can also be set by user.
Related information setting section 20 sets the above-mentioned relevant information used by estimator calculating part 15.For example, relevant information
Configuration part 20 sets above-mentioned relevant parameter, is written into storage part 13.Related information setting section 20 has cutting speed calculating portion
21st, data use determination unit 22, filter operation portion 23 and relevant parameter configuration part 24.
Cutting speed calculating portion 21 calculates cutting speed using the measured value of the weighing apparatus 6 obtained by weight obtaining section 12
Degree.Such as cutting speed calculating portion 21 is by the difference of the measured value of the weighing apparatus 6 in the measured value of weighing apparatus 6 and last controlling cycle
It is calculated as cutting speed.Hereinafter, the cutting speed calculated by cutting speed calculating portion 21 is referred to as " actual measurement cutting speed ".
Data (hereinafter referred to as " have been set using determination unit 22 according to the newest relevant information set in processing before
Fixed relevant information "), determine whether using actual measurement cutting speed.
23 pairs of the filter operation portion actual measurement cutting speed used by data using determination unit 22 is implemented to filter.Hereinafter, will
The cutting speed for implementing filtering is referred to as " amendment cutting speed ".Filter operation portion 23 is, for example, Kalman filter, is used
The cutting speed and actual measurement cutting speed that the relevant information set is applied to the responsiveness of feed appliance 3 and obtained, meter
Calculate amendment cutting speed.
Relevant parameter configuration part 24 calculates above-mentioned related ginseng according to the responsiveness of feed appliance 3 to cutting speed is corrected
Number, the relevant parameter is override into feed appliance 3.For example, relevant parameter is set to, make to calculate using above-mentioned function
Cutting speed turns into the value close to amendment cutting speed.Relevant parameter can also be used in this controlling cycle and pass by for several times
Controlling cycle in multiple amendment cutting speeds for calculating respectively set.In addition, when cutting starts, relevant parameter
(relevant information) is set in initial value.The initial value is stored in storage part 13.The initial value of relevant parameter can also by with
Family is set.
Controller 10 performs the cutting process involved by present embodiment by controlling feed appliance 3.Hereinafter, illustrate by controlling
The control sequence that device 10 processed is performed.
As shown in figure 3, controller 10 obtains target cutting output Ws (step S01) by desired value obtaining section 11 first.It
Afterwards, responsiveness V and relevant information are set in the initial value (step S02) stored in storage part 13 by controller 10.
Afterwards, controller 10 obtains the weight (step S03) for weighing groove 5 by weight obtaining section 12.Afterwards, controller 10
Amount (hereinafter referred to as " having cut weight ") Wp (step S04) of the shot-like particle cut is calculated by aequum calculating part 14.
Weight Wp has been cut to be calculated by subtracting the empty weight for weighing groove 5 from the weight obtained by weight obtaining section 12.Afterwards,
Cutting output Wr (step S05) needed for controller 10 is calculated by aequum calculating part 14.Required cutting output Wr is by from target
Cutting output Ws, which is subtracted, have been cut weight Wp and has been calculated.
Afterwards, controller 10 calculates estimation cutting output Wx (step S06) by estimator calculating part 15.Estimate cutting output
Wx is for example calculated by following formula.
(formula 1)
V：Responsiveness
F(V)：Responsiveness V is transformed to the function of cutting speed
α：Decrescence amount in time per unit
t：Time
tr：Time needed for making responsiveness V vanishing by decrescence measuring α
Afterwards, controller 10 sets responsiveness V by feed appliance control unit 16.Feed appliance control unit 16 confirms estimation
Cutting output Wx whether for needed for more than cutting output Wr (step S07).
When estimating that cutting output Wx estimates cutting output Wx less than required cutting output Wr not for needed for during more than cutting output Wr, that is,
Feed appliance control unit 16 does not change the responsiveness V set.That is, feed appliance control unit 16 reduces responsiveness V.
Estimation cutting output Wx is for needed for during more than cutting output Wr, and whether feed appliance control unit 16 confirms estimation cutting output Wx
More than required cutting output Wr (step S08).
When estimating cutting output Wx not less than required cutting output Wr, that is, when estimating that cutting output Wx is consistent with required cutting output Wr,
Feed appliance control unit 16 makes the decrescence amount α 0 stored in storage part 13 as decrescence amount α (step S10), is subtracted from responsiveness V
This decrescence measures α (step S11).That is, feed appliance control unit 16 gradually decreases responsiveness V according to decrescence amount.
Alternatively, it is also possible to preselect setting allowable deviation, when estimation cutting output Wx and required cutting output Wr diversity ratio are allowed
Deviation hour, then be determined as that estimation cutting output Wx is consistent with required cutting output Wr.
When estimating that cutting output Wx exceedes required cutting output Wr, feed appliance control unit 16 is stored decrescence in storage part 13
Measure and defined regulated value α 1 is added on α 0 and decrescence amount α (step S09) is set, this is subtracted decrescence from the responsiveness V set
Measure α (step S11).That is, feed appliance control unit 16 makes degree decrescence increase and responsiveness V is gradually subtracted compared with decrescence measuring
It is few.Regulated value α 1 is, for example, 10~50% relative to decrescence amount α 0, or 5~80%.Alternatively, it is also possible to replace regulated value
α 1 add operation, and magnifying power as defined in being multiplied by decrescence amount α 0 decrescence measures α to set.
In step s 11, make responsiveness V reduce when, controller 10 confirm setting after responsiveness V whether be zero with
Under (step S12).If responsiveness V is less than zero, controller 10 makes feed appliance 3 stop simultaneously by feed appliance control unit 16
Complete control.
If responsiveness V be not zero it is following, controller 10 pass through feed appliance control unit 16 control feed appliance 3.Feeding
Device control unit 16 is exported for making what feed appliance 3 was acted with the responsiveness V set in step S07~S11 to frequency converter 4
Instruct (step S13).
In this way, the following control feed appliance 3 of feed appliance control unit 16, when estimating that cutting output is less than required cutting output and decrescence
Amount reduces compared to the degree made decrescence, when estimating that cutting output is consistent with required cutting output then according to decrescence measuring, in estimation cutting
Increase degree decrescence compared with decrescence measuring when amount exceedes required cutting output, and gradually decrease responsiveness.In addition, so that
The mode that responsiveness is gradually decreased controls feed appliance 3 to be not meant to all the time to gradually decrease the responsiveness of feed appliance 3.Example
As in the present embodiment, reduce responsiveness when estimating that cutting output is less than required cutting output.
Afterwards, controller 10 sets relevant information by related information setting section 20.Related information setting section 20 passes through
Cutting speed calculating portion 21 calculates actual measurement cutting speed (step S14).
Afterwards, related information setting section 20 is determined whether using actual measurement cutting speed by data using determination unit 22
(step S15).Specifically, data will be set as that data use scope using determination unit 22 between higher limit and lower limit, should
Higher limit is added in the cutting speed (hereinafter referred to as " benchmark cutting speed ") gone out according to the associated information calculation set
The value of feasible value is provided, the lower limit is to subtract regulation feasible value from the cutting speed gone out according to the associated information calculation set
Value.Feasible value is 10~20% for example relative to benchmark cutting speed, or 5~30%.
If surveying cutting speed to be in the range of data use, data cut speed using determination unit 22 using the actual measurement
Degree.Used if surveying cutting speed and being in data outside scope, data do not use actual measurement cutting speed using determination unit 22
Degree.
Fig. 4 is to illustrate the curve map that data use scope.Transverse axis is the responsiveness of feed appliance 3, and the longitudinal axis is cutting speed.
Solid line L1 represents benchmark cutting speed.Dotted line L2 represents that data use scope R1 lower limit.Dotted line L3 represents that data use model
Enclose R1 higher limit.In the plot, using actual measurement cutting speed P1~P5 between dotted line L2, L3.Without positioned at
Actual measurement cutting speed P6~P8 between dotted line L2, L3 is not used then.
When data do not use actual measurement cutting speed using determination unit 22, related information setting section 20 does not change the phase set
Close information.
During using actual measurement cutting speed, related information setting section 20 is entered by 23 pairs of filter operation portion actual measurement cutting speed
Row filtering, calculates amendment cutting speed (step S16).Afterwards, related information setting section 20 passes through relevant parameter configuration part 24
To set relevant parameter, storage part 13 (step S17) is written into.
Afterwards, controller 10 waits for controlling cycle (step S18), and step S04 is back to after controlling cycle.This
Afterwards, before below the responsiveness V vanishing, the control of feed appliance 3 is performed repeatedly with certain controlling cycle.
Fig. 5 is the curve map for the passage for illustrating cutting speed when performing above-mentioned control.Transverse axis is the elapsed time, and the longitudinal axis is
Cutting speed.As shown in figure 5, at the time of the reduction with required cutting output estimates that cutting output is consistent with required cutting output t1
Before, reduce compared with decrescence measuring degree decrescence.Thus, due to the responsiveness of feed appliance 3 be retained as it is higher, therefore
Shot-like particle can promptly be cut.As an example for reducing degree decrescence compared with decrescence measuring, in present embodiment
In do not make responsiveness V reduce.Therefore, because the responsiveness of the feed appliance before estimation cutting output is consistent with required cutting output
Higher kept, therefore can more promptly cut shot-like particle.
When estimating that cutting output is consistent with required cutting output, then gradually decrease the responsiveness of feed appliance 3 according to decrescence amount.
Due to by decrescence, and the responsiveness before feed appliance 3 will stop is changed into minimum, therefore can suppress to flow into.
Moreover, after estimation cutting output is consistent with required cutting output, the decrescence degree of responsiveness is also properly adjusted.
When estimating that cutting output is less than required cutting output, reduce degree decrescence compared with decrescence measuring.At the time of such as Fig. 5 between t2, t3
It is shown, in the present embodiment reduce responsiveness V.When estimating that cutting output exceedes required cutting output, at the time of such as Fig. 5
Shown between t4, t5, increase degree decrescence compared with decrescence measuring.By above-mentioned regulation, even if the average grain diameter of shot-like particle
Changed Deng in cutting, can also automatically adjust cutting speed, suppress the influence to cutting output.Moreover, in the spy of feed appliance 3
Property etc. the side of topping machanism 1 characteristic occur rheological parameters' change with time when, cutting speed can be also automatically adjusted accordingly.
Thus, according to topping machanism 1, shot-like particle can be cut rapidly accurately to measure.In addition, making responsiveness gradually subtract
The burden for reducing accompanying action speed feed appliance jumpy, and extension fixture life-span are also helped less.
Controller 10 is also equipped with related information setting section 20.Related information setting section 20 is asked according to the measured value of weighing apparatus 6
Go out cutting speed, according to the cutting speed and the responsiveness of feed appliance 3, setting cutting speed and the responsiveness of feed appliance 3
Relevant information.The relevant information set by related information setting section 20 is applied to feed appliance 3 by 15 pairs of estimator calculating part
Responsiveness and the cutting speed obtained be integrated, so as to calculate estimation cutting output.In this way, by according to measured result
To set relevant information, and estimation cutting output is calculated using the relevant information, thus the precision raising of estimation cutting output.By
This, due to being more suitably adjusted the decrescence degree of responsiveness, therefore, it is possible to so that more accurately amount cuts shot-like particle.
Related information setting section 20 with by the relevant information set be applied to feed appliance 3 responsiveness and cutting for obtaining
Cut and use scope to set data on the basis of speed, when the cutting speed obtained according to the measured value of weighing apparatus 6 is adopted in data
During with outside scope, set without the relevant information based on the cutting speed.Therefore, by suppressing by the measured value of weighing apparatus 6
The uneven caused relevant information of deviation variation, so as to improve the reliability of relevant information.Thus, due to more proper
The decrescence degree of locality regulation responsiveness, therefore, it is possible to so that more accurately amount cuts shot-like particle.
Related information setting section 20 is obtained using the responsiveness that the relevant information set is applied to feed appliance 3
Cutting speed and the cutting speed obtained according to the measured value of weighing apparatus 6, calculate amendment cutting speed, and cut according to amendment
Speed is cut to set relevant information.Due to related to set to the measured value both sides of weighing apparatus 6 according to the relevant information set
Information, therefore can further improve the reliability of relevant information.Thus, due to being more suitably adjusted responsiveness decrescence
Degree, therefore, it is possible to so that more accurately amount cuts shot-like particle.
More than, although the embodiment just right to the present invention is illustrated, but the present invention is not defined in necessarily
Above-mentioned embodiment, can implement various changes in the range of its purport is not departed from.For example, in estimation cutting output less than required
, can also be on the basis of reducing degree decrescence compared with decrescence measuring during cutting output, it is not necessary to necessarily reduce responsiveness
Reduce responsiveness.
Claims (10)
1. a kind of topping machanism, it is characterised in that possess：
Storagetank, stores shot-like particle；
Groove is weighed, for weighing the shot-like particle；
Feed appliance, from shot-like particle described in the storagetank to the weighing groove cutting；
Weighing apparatus, determine the weight for weighing groove；
Estimator calculating part, when gradually decreasing the responsiveness of the feed appliance according to decrescence amount set in advance, is calculated
Go out the amount of the shot-like particle cut before feed appliance stopping, regard the value calculated as estimation cutting output；
Aequum calculating part, calculates the institute cut for subtracting and being obtained according to the measured value of the weighing apparatus from target cutting output
The amount after the amount of shot-like particle is stated, the value calculated is regard as required cutting output；
And feed appliance control unit, the feed appliance is controlled as follows, when the estimation cutting output is less than cutting output needed for described with
The decrescence amount compared to reducing degree decrescence, the estimation cutting output exceed it is described needed for cutting output when with it is described decrescence
Amount increases compared to the degree made decrescence, and gradually decreases responsiveness.
2. topping machanism according to claim 1, it is characterised in that
The feed appliance control unit controls the feed appliance as follows, when the estimation cutting output is less than the required cutting output,
Reduce responsiveness.
3. topping machanism according to claim 1 or 2, it is characterised in that
Related information setting section is also equipped with, actual measurement cutting speed is obtained according to the measured value of the weighing apparatus, is cut according to the actual measurement
The responsiveness of speed and the feed appliance is cut, the relevant information of cutting speed and the responsiveness of the feed appliance is set,
The estimator calculating part, based on the responsiveness according to the feed appliance set in advance decrescence measured and gradually decreased and
The relevant information obtains cutting speed, and the cutting speed is integrated, so as to calculate the estimation cutting output.
4. topping machanism according to claim 3, it is characterised in that
The related information setting section, with according to the responsiveness set in advance for decrescence measuring the feed appliance gradually decreased and
Data are set on the basis of the cutting speed that the relevant information is obtained and use scope, are asked when according to the measured value of the weighing apparatus
When the actual measurement cutting speed gone out is in the data using outside scope, without the related letter based on the actual measurement cutting speed
The setting of breath.
5. the topping machanism according to claim 3 or 4, it is characterised in that
The related information setting section, based on the responsiveness according to the feed appliance set in advance decrescence measured and gradually decreased
The cutting speed obtained with the relevant information and the actual measurement cutting speed obtained according to the measured value of the weighing apparatus, are calculated
Go out and correct cutting speed, and the relevant information is set according to the amendment cutting speed.
6. a kind of cutting process, it is characterised in that including：
By feed appliance from the storagetank of shot-like particle is stored to for weighing shot-like particle described in the weighing groove cutting of the shot-like particle；
The weight of the weighing groove is determined by weighing apparatus；
When gradually decreasing the responsiveness of the feed appliance according to decrescence amount set in advance, calculate in the feed appliance
The amount of the shot-like particle cut before stopping, regard the value calculated as estimation cutting output；
Calculate the amount that the shot-like particle cut obtained according to the measured value of the weighing apparatus is subtracted from target cutting output
Amount afterwards, regard the value calculated as required cutting output；
And the feed appliance is controlled as follows, decrescence measure phase with described when the estimation cutting output is less than the required cutting output
Than reducing degree decrescence, make decrescence compared with the decrescence amount when the estimation cutting output exceedes the required cutting output
Degree increase, and gradually decrease responsiveness.
7. cutting process according to claim 6, it is characterised in that
The feed appliance is controlled as follows, when the estimation cutting output is less than the required cutting output, reduces responsiveness.
8. the cutting process according to claim 6 or 7, it is characterised in that
Also include obtaining actual measurement cutting speed according to the measured value of the weighing apparatus, according to the actual measurement cutting speed and the feeding
The responsiveness of device, the relevant information of setting cutting speed and the responsiveness of the feed appliance,
To based on being asked according to the responsiveness and the relevant information set in advance for decrescence measuring the feed appliance gradually decreased
The cutting speed gone out is integrated, and calculates the estimation cutting output.
9. cutting process according to claim 8, it is characterised in that
With what is obtained according to the responsiveness and the relevant information set in advance for decrescence measuring the feed appliance gradually decreased
Scope is used to set data on the basis of cutting speed, at the actual measurement cutting speed obtained according to the measured value of the weighing apparatus
When the data are using outside scope, without the setting of the relevant information based on the actual measurement cutting speed.
10. cutting process according to claim 8 or claim 9, it is characterised in that
Obtained using according to the responsiveness and the relevant information of the feed appliance set in advance decrescence measured and gradually decreased
Cutting speed and the actual measurement cutting speed obtained according to the measured value of the weighing apparatus, calculate amendment cutting speed, and
The relevant information is set according to the amendment cutting speed.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013-193311 | 2013-09-18 | ||
| JP2013193311A JP5900442B2 (en) | 2013-09-18 | 2013-09-18 | Cutting apparatus and cutting method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104460498A CN104460498A (en) | 2015-03-25 |
| CN104460498B true CN104460498B (en) | 2017-10-03 |
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|---|---|---|---|
| CN201410478971.7A Active CN104460498B (en) | 2013-09-18 | 2014-09-18 | Topping machanism and cutting process |
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| JP (1) | JP5900442B2 (en) |
| CN (1) | CN104460498B (en) |
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| CN107283219B (en) * | 2016-03-31 | 2020-04-21 | 日立汽车系统（中国）有限公司 | Cutting method and device |
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| JPH04269152A (en) * | 1991-02-21 | 1992-09-25 | Toshiba Mach Co Ltd | Control unit for internal circle cutting in numerical control machine tool |
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Also Published As
| Publication number | Publication date |
|---|---|
| JP5900442B2 (en) | 2016-04-06 |
| CN104460498A (en) | 2015-03-25 |
| JP2015059815A (en) | 2015-03-30 |
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