CN103818703B - The control method that a kind of belt is quantitatively carried and device - Google Patents
The control method that a kind of belt is quantitatively carried and device Download PDFInfo
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- CN103818703B CN103818703B CN201410100457.XA CN201410100457A CN103818703B CN 103818703 B CN103818703 B CN 103818703B CN 201410100457 A CN201410100457 A CN 201410100457A CN 103818703 B CN103818703 B CN 103818703B
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Abstract
The present invention relates to control method and device that a kind of belt quantitatively carries, it comprises: measure and fall to the instantaneous flow of tobacco of oblique feed belt from the discharging groove that shakes; According to the instantaneous flow of tobacco recorded, control the running frequency of oblique feed belt.The present invention can keep the high uniformity that on oblique feed belt, pipe tobacco is stacked, and ensures every batch of stability entering the pipe tobacco weight of impregnating autoclave.
Description
Technical field
The present invention relates to tobacco automation control area, particularly relate to control method and device that a kind of belt quantitatively carries.
Background technology
CO
2tobacco expanding technology is one of technology of topmost production expanded cut tobacco in production of cigarettes, and pipe tobacco enters a large-scale CO
2in impregnating autoclave, utilize CO
2physical property change the physical structure of pipe tobacco, realize the expansion effect to pipe tobacco, thus reach and reduce pipe tobacco tar content, improve the objects such as Filling power.Pipe tobacco is entering CO
2before impregnating autoclave, have the oblique feed belt that longer, because of technological requirement, before entering impregnating autoclave, pipe tobacco must cloth on this oblique feed belt, be constant by often criticizing to the control realization of this oblique feed belt the pipe tobacco amount entering impregnating autoclave in advance.
As shown in Figure 1, at present, what the belt control method of quantitatively carrying adopted is arranges a range finding electro-optical tubes 2 ' at the discharging groove 1 ' that shakes with the interface of oblique feed belt 3 ', when pipe tobacco enters oblique feed belt 3 ' by the groove 1 ' that shakes, range finding electro-optical tubes 2 ' measures the pipe tobacco height fallen on oblique feed belt 3 ', when pipe tobacco height reaches the setting value of range finding electro-optical tubes 2 ', oblique feed belt 3 ' is out of service after running the set time, wait for that electro-optical tubes 2 ' of next time finding range reaches setting value, thus the pipe tobacco weight realizing designing by impregnating autoclave 4 ' enters impregnating autoclave 4 '.
But, in the control process that this belt is quantitatively carried, because oblique feed belt 3 ' is with (" front " refers to " direction towards impregnating autoclave 4 ' ") operation forward of certain speed, the pipe tobacco initially fallen on oblique feed belt 3 ' does not reach the setting value of range finding electro-optical tubes 2 ', therefore oblique feed belt 3 ' period is fallen at follow-up pipe tobacco, initial pipe tobacco together will run forward a segment distance with oblique feed belt 3 ', only when the follow-up pipe tobacco falling oblique feed belt 3 ' superposes the setting value reaching electro-optical tubes 2 ' of finding range with front and continued pipe tobacco, oblique feed belt 3 ' reruns after the set time and could stop, therefore, last cloth presents a hillside shape at the pipe tobacco of oblique feed belt 3 ', still there is pipe tobacco cloth uneven, the shortcomings such as pipe tobacco weight can not accurately control.
Summary of the invention
The object of the invention is to propose control method that a kind of belt quantitatively carries and device, it can improve the homogeneity of pipe tobacco cloth on oblique feed belt, and precision ground controls the weight entering pipe tobacco in impregnating autoclave.
For achieving the above object, the invention provides following technical scheme:
The control method that belt is quantitatively carried, it comprises: measure and fall to the instantaneous flow of tobacco of oblique feed belt from the discharging groove that shakes; According to the instantaneous flow of tobacco recorded, control the running frequency of oblique feed belt.
Further, described measurement comprises from the discharging instantaneous flow of tobacco that groove falls to oblique feed belt that shakes: measure and fall into discharging and to shake the instantaneous flow of tobacco of groove; Discharging is shaken the charging of groove; And pipe tobacco is transported to oblique feed belt by the discharging groove that shakes.
Further, the instantaneous flow of tobacco that described basis records, controls in the running frequency of oblique feed belt: the pass between the running frequency of instantaneous flow of tobacco and tiltedly feed belt is: h=m/k; Wherein: h is the running frequency of oblique feed belt, m is instantaneous flow of tobacco, and k is the amount determined by the length of oblique feed belt and pipe tobacco height, and k is greater than 1.
Further, the instantaneous flow of tobacco that described basis records, controls in the running frequency of oblique feed belt: when instantaneous flow of tobacco is less than default flow of tobacco, and oblique feed belt adopts crawl to run; When instantaneous flow of tobacco is more than or equal to default flow of tobacco, pass between the running frequency of instantaneous flow of tobacco and tiltedly feed belt is: h=m/k, wherein: h is the running frequency of oblique feed belt, m is instantaneous flow of tobacco, k is the amount determined by the outer cover height of the length of oblique feed belt and oblique feed belt discharge outlet, and k is greater than 1.
Further, also comprise: when the accumulating weight of pipe tobacco reaches default total weight, stop performing discharging and to shake groove charging.
Further, shake groove charging synchronously with stopping discharging, also comprise: tiltedly feed belt continues the running frequency motion according to stopping discharging shaking before groove charging, until pipe tobacco is transported to the discharge end stop motion of oblique feed belt.
Further, stop discharging shaking groove charging step after, also comprise: discharging is shaken groove delay working, until the tobacco material that discharging is shaken in groove falls to oblique feed belt completely.
The control setup that a kind of belt is quantitatively carried, it comprise discharging shake groove, tiltedly feed belt, impregnating autoclave, collection by described discharging shake groove fall the instantaneous flow of tobacco of described oblique feed belt electronic scale, receive described instantaneous flow of tobacco and export the controller of the control signal of described oblique feed belt running frequency and receive the frequency converter of described control signal, wherein: the shake outlet of groove of described discharging is arranged on above the feed end of described oblique feed belt, and described discharging is shaken, the outlet of groove and the feed end of described oblique feed belt are oppositely arranged; The import of described impregnating autoclave is arranged on below the discharge end of described oblique feed belt, and the discharge end of the import of described impregnating autoclave and described oblique feed belt is oppositely arranged; Described discharging is shaken above groove and is arranged described electronic scale; The shake import of groove of described discharging is relative with the discharge port of described electronic scale; Described electronic scale is connected with described frequency converter by described controller, and the mouth of described frequency converter is connected with the power intake of described oblique feed belt.
Further, also comprise: the height sensor exporting to described controller after detecting the altitude signal of pipe tobacco on described oblique feed belt, wherein: it is the position of preset length that described height sensor to be arranged on along pipe tobacco throughput direction apart from the discharge end of described oblique feed belt; Described height sensor is connected with described controller, and described controller controls the start and stop of described frequency converter according to described altitude signal.
Further, described preset length is 1/3rd of the overall length of described oblique feed belt.
Based on technique scheme, advantage of the present invention is:
Because the present invention is by being arranged to corresponding relation by the running frequency of oblique feed belt with the instantaneous flow of tobacco falling to oblique feed belt, therefore at oblique feed belt along under the pipe tobacco throughput direction precondition that width is all identical everywhere, the height that on oblique feed belt, pipe tobacco is stacked will keep even, thus ensure that every batch enters the stable of the pipe tobacco weight of impregnating autoclave, makes it to meet setting value.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, and form a application's part, schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation of the control setup that in prior art, belt is quantitatively carried;
Fig. 2 is the diagram of circuit of control method first embodiment that belt provided by the present invention is quantitatively carried;
Fig. 3 is the diagram of circuit of step 1) in Fig. 2;
Fig. 4 is the diagram of circuit of control method second embodiment that belt provided by the present invention is quantitatively carried;
Fig. 5 is the diagram of circuit of control method the 3rd embodiment that belt provided by the present invention is quantitatively carried;
Fig. 6 is the diagram of circuit of control method the 4th embodiment that belt provided by the present invention is quantitatively carried;
Fig. 7 is the structural representation of control setup one embodiment that belt provided by the present invention is quantitatively carried;
Fig. 8 is the structure principle chart of control convenience in the control setup quantitatively carried of belt provided by the present invention.
Detailed description of the invention
For making object of the invention process, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is further described in more detail.In the accompanying drawings, same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Described embodiment is the present invention's part embodiment, instead of whole embodiments.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the present invention, and can not limitation of the present invention be interpreted as.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.Below in conjunction with accompanying drawing, embodiments of the invention are described in detail.
In describing the invention, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limiting the scope of the invention can not be interpreted as.
As shown in Figure 2, the control method that belt provided by the present invention is quantitatively carried comprises:
Measure and fall to the instantaneous flow of tobacco of oblique feed belt from the discharging groove that shakes; And,
According to the instantaneous flow of tobacco recorded, control the running frequency of oblique feed belt.
The present invention is by being arranged to corresponding relation by the running frequency of oblique feed belt with the instantaneous flow of tobacco falling to oblique feed belt, the instantaneous flow of tobacco such as recorded is larger, oblique feed belt running frequency is then larger, thus tiltedly the speed of feed belt is faster, otherwise slower.Therefore at oblique feed belt along under the pipe tobacco throughput direction precondition that width is all identical everywhere, the height that on oblique feed belt, pipe tobacco is stacked will keep even, thus ensure that every batch enters the stable of the pipe tobacco weight of impregnating autoclave, makes it to meet setting value.
As shown in Figure 3, above-mentioned measurement comprises from the discharging instantaneous flow of tobacco that groove falls to oblique feed belt that shakes:
Measure and fall into discharging and to shake the instantaneous flow of tobacco of groove: utilize HAUNI belt electronic scale, make pipe tobacco shake before groove first by HAUNI electronic belt scale falling into discharging, can obtain thus and fall into discharging and to shake the instantaneous flow of tobacco of groove.
Discharging is shaken the charging of groove: the pipe tobacco after having weighed via HAUNI electronic belt scale, under Gravitative Loads, falls into discharging and to shake groove, thus completes discharging and to shake the charging action of groove.
Pipe tobacco is transported to oblique feed belt by the discharging groove that shakes.This step is same as the prior art, does not repeat them here.
Pass between the running frequency of instantaneous flow of tobacco and tiltedly feed belt is: h=m/k; Wherein: m is instantaneous flow of tobacco.H is the running frequency of oblique feed belt, and owing to needing to ensure the permission length of pipe tobacco on oblique feed belt and cloth height, therefore tiltedly the running frequency of feed belt controls usually between 15hz-30hz as far as possible.
K is the amount determined by the length of oblique feed belt and pipe tobacco height, and its reason is mainly:
1, for the length of oblique feed belt, this length scale is fixed, according to technological requirement and technical requirements, the pipe tobacco of preset weight needs uniform spreading to be located on oblique feed belt, and leaves surplus along the front end of pipe tobacco throughput direction pipe tobacco and the discharge end of oblique feed belt.The concept of casehistory " surplus ": the weight of such as pipe tobacco is M, the length of oblique feed belt is L, now pipe tobacco needs the 2/3*L having spread oblique feed belt overall length, now along the surplus 1/3*L of the discharge end of the front end of pipe tobacco throughput direction pipe tobacco and oblique feed belt.
2, for pipe tobacco height, because have the cover of certain altitude in the position of oblique feed belt discharge end, therefore pipe tobacco height can not exceed the distance of bottom to oblique feed belt of this cover, the putty phenomenon exceeding this pipe tobacco height to prevent pipe tobacco height and cause.
Due to the order of magnitude that instantaneous flow of tobacco is all thousands of, and tiltedly the numerical value of the frequency converter of feed belt is only 0-50, and therefore K value is arranged to be greater than 1.
This shows, the running frequency direct proportionality of instantaneous flow of tobacco and oblique feed belt, the instantaneous flow of tobacco that HAUNI electronic belt scale weighs is larger, oblique feed belt running velocity is faster, thus when width is identical everywhere for oblique feed belt, on oblique feed belt, pipe tobacco is stacked height and is just directly proportional to the speed of its operation, to ensure stablizing of pipe tobacco amount on oblique feed belt.
The instantaneous flow of tobacco that above-mentioned basis records, controls in the running frequency of oblique feed belt:
When instantaneous flow of tobacco is less than default flow of tobacco, oblique feed belt adopts crawl to run.Default flow of tobacco is not less than 1000kg/h usually, the size of this default flow of tobacco needs the factor considered to be usually: prevent the frequency converter of oblique feed belt from running under ulf, this is because be less than default flow of tobacco once instantaneous flow of tobacco, the instantaneous load of HAUNI electronic belt scale is very little, now need to utilize executeaaafunction and empirical Frequency to adjust the frequency of frequency converter and the time gap of operation, realize flow of tobacco stability during low discharge.The second factor that the size needs presetting flow of tobacco are considered is: ensure that the flow of tobacco by HAUNI electronic belt scale is no more than the peak work capacity of himself, thus play the effect of protection electronic scales.
When instantaneous flow of tobacco is more than or equal to default flow of tobacco, pass between the running frequency of instantaneous flow of tobacco and tiltedly feed belt is: h=m/k, wherein: h is the running frequency of oblique feed belt, m is instantaneous flow of tobacco, k is the amount determined by the outer cover height of the length of oblique feed belt and oblique feed belt discharge outlet, and k is greater than 1.Being arranged on of h and k above all elaborates, and does not repeat them here.
As shown in Figure 4, the control method that belt provided by the present invention is quantitatively carried also comprises:
When the accumulating weight of pipe tobacco reaches default total weight, stop performing discharging and to shake the step of groove charging.Such as: each batch of technological requirement allows the maximum weight of cloth on oblique feed belt to be 320kg, when the accumulating weight of HAUNI electronic belt scale reaches 320kg, namely time the accumulating weight of pipe tobacco reaches default total weight, HAUNI electronic belt scale stops shaking groove feeding tobacco-thread to discharging, to ensure that every batch enters the stable of the pipe tobacco weight of impregnating autoclave, makes it to meet setting value further.
As shown in Figure 5, in above-described embodiment, shake groove feed step synchronously with stopping discharging, the control method that belt provided by the present invention is quantitatively carried also comprises:
Oblique feed belt continues the running frequency motion according to stopping discharging shaking before groove charging, until pipe tobacco is transported to the step of the discharge end stop motion of oblique feed belt.That is, when the accumulating weight of pipe tobacco reaches default total weight, HAUNI electronic belt scale stops shaking groove feeding tobacco-thread to discharging, but in order to ensure the cloth evenness of pipe tobacco on oblique feed belt simultaneously, needs to proceed cloth to being deposited in the shake pipe tobacco of groove of discharging.
Judge that the method whether pipe tobacco is transported to the discharge end of oblique feed belt is: along pipe tobacco throughput direction, a height sensor is being set apart from the position that the discharge end of oblique feed belt is preset length, once height sensor detects pipe tobacco altitude signal, control the out of service of oblique feed belt.
As shown in Figure 6, in order to ensure discharging shake groove stopping charging after, the pipe tobacco be deposited in wherein is all routed on oblique feed belt, therefore, stop discharging shaking groove charging step after, the control method that belt provided by the present invention is quantitatively carried also comprises:
Discharging is shaken groove delay working, until the tobacco material that discharging is shaken in groove falls to the step of oblique feed belt completely.After usual time delay 3-5s, then stop discharging shaking the discharging work of groove, thus can ensure that the material deserving to be called the 320kg passed by HAUNI electronic belt can drop on oblique feed belt completely.
As shown in Figure 7, Figure 8, the control setup that belt provided by the present invention is quantitatively carried comprises discharging and to shake groove 1, tiltedly feed belt 2, impregnating autoclave 3, electronic scale 4, controller 5 and frequency converter 7, wherein: the shake outlet of groove 1 of discharging is arranged on above the feed end of oblique feed belt 2, and discharging is shaken, the outlet of groove 1 and the feed end of oblique feed belt 2 are oppositely arranged.The import of impregnating autoclave 3 is arranged on the below of oblique feed belt 2 discharge end, and the import of impregnating autoclave 3 and oblique feed belt 2 discharge end are oppositely arranged.Pipe tobacco to shake groove 1 via discharging, drops to oblique feed belt 2, is transported to impregnating autoclave 3 by oblique feed belt 2.
Discharging is shaken above groove 1 and is arranged electronic scale 4, and electronic scale 4 can adopt HAUNI electronic belt scale of the prior art, but is not limited thereto.The shake import of groove 1 of discharging is relative with the discharge port of electronic scale 4, and such pipe tobacco, by after electronic scale 4, just enters into discharging and to shake groove 1, and electronic scale 4 gathers and falls the instantaneous flow of tobacco of oblique feed belt 2 by the discharging groove 1 that shakes, and exports to controller 5 afterwards.Electronic scale 4 is connected with controller 5, and controller 5 receives described instantaneous flow of tobacco, and exports the control signal of oblique feed belt 2 running frequency.Frequency converter 7 is connected with controller 5, receives the control signal of oblique feed belt 2 running frequency, and produces corresponding rate-adaptive pacemaker.The mouth of frequency converter 7 is connected with the power intake of oblique feed belt 2, controls the running frequency of oblique feed belt 2.What controller 5 adopted is programmable logic controller (PLC).Variable frequency control mode can make the frequency control of oblique feed belt 2 more flexible.
The present invention arranges electronic scale above shaking groove in discharging, and the import of the groove that discharging shaken is relative with the discharge port of electronic scale, such pipe tobacco is by after electronic scale, just enter into discharging to shake groove, pipe tobacco to shake groove via discharging again, drop to oblique feed belt, impregnating autoclave is transported to by oblique feed belt, electronic scale can weigh the instantaneous flow of tobacco by the pipe tobacco on it, then pass through this instantaneous flow of tobacco input control device, obtain the running frequency of an oblique feed belt, flow to frequency converter, and then the frequency making oblique feed belt export according to frequency converter is run, therefore at oblique feed belt along under the pipe tobacco throughput direction precondition that width is all identical everywhere, the height that on oblique feed belt, pipe tobacco is stacked will keep even, thus ensure that every batch enters the stable of the pipe tobacco weight of impregnating autoclave.
Pass between the running frequency of instantaneous flow of tobacco and tiltedly feed belt is: h=m/k; Wherein: m is instantaneous flow of tobacco.H is the running frequency of oblique feed belt, and owing to needing to ensure the permission length of pipe tobacco on oblique feed belt and cloth height, therefore tiltedly the running frequency of feed belt controls usually between 15hz-30hz as far as possible.
K is the preset value determined by the length of oblique feed belt and pipe tobacco height, and its reason is mainly:
1, for the length of oblique feed belt, this length scale is fixed, according to technological requirement and technical requirements, the pipe tobacco of preset weight needs uniform spreading to be located on oblique feed belt, and leaves surplus along the front end of pipe tobacco throughput direction pipe tobacco and the discharge end of oblique feed belt.The concept of casehistory " surplus ": the weight of such as pipe tobacco is M, the length of oblique feed belt is L, now pipe tobacco needs the 2/3*L having spread oblique feed belt overall length, now along the surplus 1/3*L of the discharge end of the front end of pipe tobacco throughput direction pipe tobacco and oblique feed belt.
2, for pipe tobacco height, because have the cover of certain altitude in the position of oblique feed belt discharge end, therefore pipe tobacco height can not exceed the distance of bottom to oblique feed belt of this cover, the putty phenomenon exceeding this pipe tobacco height to prevent pipe tobacco height and cause.
Due to the order of magnitude that instantaneous flow of tobacco is all thousands of, and tiltedly the numerical value of the frequency converter of feed belt is only 0-50, and therefore K value is arranged to be greater than 1.
This shows, the running frequency direct proportionality of instantaneous flow of tobacco and oblique feed belt, the instantaneous flow of tobacco that HAUNI electronic belt scale weighs is larger, oblique feed belt running velocity is faster, thus when width is identical everywhere for oblique feed belt, on oblique feed belt, pipe tobacco is stacked height and is just directly proportional to the speed of its operation, to ensure stablizing of pipe tobacco amount on oblique feed belt.
In above-described embodiment, the control setup that belt provided by the present invention is quantitatively carried also comprises height sensor 6, wherein: it is the position of preset length that height sensor 6 to be arranged on along pipe tobacco throughput direction apart from the discharge end of oblique feed belt 2.Height sensor 6 is connected with controller 5, and height sensor 6 detects the altitude signal of pipe tobacco on oblique feed belt, flows to controller 5, and controller 5 controls the start and stop of frequency converter 7 according to pipe tobacco altitude signal, thus controls the start and stop of oblique feed belt 2.Set forth above, the pipe tobacco of preset weight needs uniform spreading to be located on oblique feed belt 2, and leaves surplus along the front end of pipe tobacco throughput direction pipe tobacco and the discharge end of oblique feed belt 2.Still with the weight of pipe tobacco for M, the length of oblique feed belt is L, and pipe tobacco needs the 2/3*L having spread oblique feed belt overall length, and the surplus 1/3*L now along the discharge end of the front end of pipe tobacco throughput direction pipe tobacco and oblique feed belt is that example is described.In this embodiment, it is the position of 1/3*L that height sensor 6 needs to be arranged on apart from the surplus of the discharge end of oblique feed belt 2, therefore, once pipe tobacco front end runs to height sensor 6 position, then controller 5 sends work order to frequency converter 7, controls the out of service of oblique feed belt 2.
Finally should be noted that: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit; Although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the field are to be understood that: still can modify to the specific embodiment of the present invention or carry out equivalent replacement to portion of techniques feature; And not departing from the spirit of technical solution of the present invention, it all should be encompassed in the middle of the technical scheme scope of request of the present invention protection.
Claims (8)
1. a belt control method of quantitatively carrying, is characterized in that, comprising:
Measure and fall to the instantaneous flow of tobacco of oblique feed belt from the discharging groove that shakes; And,
According to the instantaneous flow of tobacco recorded, control the running frequency of oblique feed belt;
When instantaneous flow of tobacco is less than default flow of tobacco, oblique feed belt adopts crawl to run;
When instantaneous flow of tobacco is more than or equal to default flow of tobacco, pass between the running frequency of instantaneous flow of tobacco and tiltedly feed belt is: h=m/k, wherein: h is the running frequency of oblique feed belt, m is instantaneous flow of tobacco, k is the amount determined by the outer cover height of the length of oblique feed belt and oblique feed belt discharge outlet, and k is greater than 1.
2. the method for claim 1, is characterized in that,
Described measurement comprises from the discharging instantaneous flow of tobacco that groove falls to oblique feed belt that shakes:
Measure and fall into discharging and to shake the instantaneous flow of tobacco of groove;
Discharging is shaken the charging of groove; And,
Pipe tobacco is transported to oblique feed belt by the discharging groove that shakes.
3. method as claimed in claim 2, is characterized in that, also comprise:
When the accumulating weight of pipe tobacco reaches default total weight, stop performing discharging and to shake groove charging.
4. method as claimed in claim 3, is characterized in that, shakes groove charging synchronously, also comprise with stopping discharging:
Oblique feed belt continues the running frequency motion according to stopping discharging shaking before groove charging, until pipe tobacco is transported to the discharge end stop motion of oblique feed belt.
5. method as claimed in claim 4, is characterized in that, stopping discharging being shaken after groove charging, also comprises:
Discharging is shaken groove delay working, until the tobacco material that discharging is shaken in groove falls to oblique feed belt completely.
6. the control setup quantitatively carried of belt, is characterized in that,
Comprise discharging shake groove, tiltedly feed belt, impregnating autoclave, collection by described discharging shake groove fall the instantaneous flow of tobacco of described oblique feed belt electronic scale, receive described instantaneous flow of tobacco and export the controller of the control signal of described oblique feed belt running frequency and receive the frequency converter of described control signal, wherein: the shake outlet of groove of described discharging is arranged on above the feed end of described oblique feed belt, and described discharging is shaken, the outlet of groove and the feed end of described oblique feed belt are oppositely arranged; The import of described impregnating autoclave is arranged on below the discharge end of described oblique feed belt, and the discharge end of the import of described impregnating autoclave and described oblique feed belt is oppositely arranged; Described discharging is shaken above groove and is arranged described electronic scale; The shake import of groove of described discharging is relative with the discharge port of described electronic scale; Described electronic scale is connected with described frequency converter by described controller, and the mouth of described frequency converter is connected with the power intake of described oblique feed belt;
When instantaneous flow of tobacco is less than default flow of tobacco, oblique feed belt adopts crawl to run;
When instantaneous flow of tobacco is more than or equal to default flow of tobacco, pass between the running frequency of instantaneous flow of tobacco and tiltedly feed belt is: h=m/k, wherein: h is the running frequency of oblique feed belt, m is instantaneous flow of tobacco, k is the amount determined by the outer cover height of the length of oblique feed belt and oblique feed belt discharge outlet, and k is greater than 1.
7. device as claimed in claim 6, is characterized in that, also comprise:
The height sensor of described controller is exported to after detecting the altitude signal of pipe tobacco on described oblique feed belt, wherein:
It is the position of preset length that described height sensor to be arranged on along pipe tobacco throughput direction apart from the discharge end of described oblique feed belt; Described height sensor is connected with described controller, and described controller controls the start and stop of described frequency converter according to described altitude signal.
8. device as claimed in claim 7, is characterized in that,
Described preset length is 1/3rd of the overall length of described oblique feed belt.
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| CN104000301B (en) * | 2014-06-13 | 2017-03-08 | 龙岩烟草工业有限责任公司 | cabo pretreatment processing technique and system |
| CN110286635A (en) * | 2018-03-19 | 2019-09-27 | 红塔烟草(集团)有限责任公司 | A kind of tobacco flexibility wind divides the adaptive control system and method for implements material fractional dose |
| CN112009978B (en) * | 2019-05-31 | 2021-12-17 | 宝山钢铁股份有限公司 | Method for controlling flow of converter ferroalloy feeding belt |
| CN110764476B (en) * | 2019-10-23 | 2020-09-18 | 张占军 | Control method and device |
| CN111165862A (en) * | 2020-03-03 | 2020-05-19 | 广东中烟工业有限责任公司 | Method and device for controlling flow of cut tobacco before sublimation of expanded cut tobacco |
| CN111374339A (en) * | 2020-03-20 | 2020-07-07 | 红云红河烟草(集团)有限责任公司 | Control method for reducing dry filament quantity and energy consumption in filament making and drying section |
| CN111776664B (en) * | 2020-07-14 | 2022-06-03 | 上海烟草集团有限责任公司 | Tobacco blocking early warning method and device |
| CN112758635B (en) * | 2021-01-20 | 2022-04-29 | 江西中烟工业有限责任公司 | Roller type servo drive control method for thread feeding machine of cigarette making machine set |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| AU8076175A (en) * | 1974-06-24 | 1976-11-04 | Brown & Williamson Tobacco | Method and apparatus for the uniform feeding of materials |
| DE3000153A1 (en) * | 1980-01-04 | 1981-07-09 | Hauni-Werke Körber & Co KG, 2050 Hamburg | FEEDING DEVICE FOR A TOBACCO CUTTING MACHINE |
| CN1733575A (en) * | 2005-06-22 | 2006-02-15 | 龙岩卷烟厂 | Material flow detecting and controlling method under special environment |
| CN202063536U (en) * | 2011-04-13 | 2011-12-07 | 福建龙净脱硫脱硝工程有限公司 | Double-speed-regulation continuous metering feeding device for spiral conveyer and omniseal belt conveyer scale |
| CN203767534U (en) * | 2014-03-19 | 2014-08-13 | 龙岩烟草工业有限责任公司 | Quantitative belt conveying control device |
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