CN211353883U - Automatic controller for shredding flow - Google Patents
Automatic controller for shredding flow Download PDFInfo
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- CN211353883U CN211353883U CN201922181159.9U CN201922181159U CN211353883U CN 211353883 U CN211353883 U CN 211353883U CN 201922181159 U CN201922181159 U CN 201922181159U CN 211353883 U CN211353883 U CN 211353883U
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Abstract
The utility model discloses a device for automatically controlling the shredding flow, wherein the device comprises a shredding machine, a conveyor, a feeding machine and a controller which are connected in sequence, a storage bin is arranged on the feeding machine, a first grating group and a second grating group are arranged on the inner wall of the storage bin, and the first grating group and the second grating group are arranged oppositely; the controller is connected with the second grating group and used for receiving the shielding signal sent by the second grating group, obtaining the percentage of the tobacco shred material level in the feeder to the total length of the storage bin according to the shielding signal, and controlling the rotating speed of the knife roller of the shredder and the operation of the lifting belt in the feeder according to the percentage. This application utilizes first grating subassembly and second grating subassembly to detect the interior pipe tobacco material level of feeder storage bin, has realized the automatic material of carrying of feeder, makes the rotor speed realize automatically regulated according to the material level of pipe tobacco material in the storage bin simultaneously, and accurate control shreds the flow, has effectively ensured the continuity of production.
Description
Technical Field
The utility model relates to a tobacco throwing technical field especially relates to a shred flow automatic control device.
Background
In the tobacco industry, shredding is an important production link in a tobacco shred making process, and the task is to cut tobacco leaves (tobacco stems) into tobacco shreds, and further blend the tobacco shreds uniformly so that the tobacco shreds are expanded and loosened in volume, the mass per unit volume is reduced, the filling capacity is increased, and the combustibility is enhanced.
In the existing shredding production process, tobacco leaves (tobacco stems) are generally conveyed to a feeding machine through a belt conveyor to be stored after being shredded. The amount of material in the storage bin of the feeding machine influences the shredding flow. The stability of the shredding flow not only affects the shredding quality, but also has important influence on the feeding uniformity after shredding and the shred drying quality.
Currently, the shredding flow of most tobacco plants is mainly controlled manually. When the material in the storage bin of the feeder is too little, the rotating speed of the knife roller of the filament cutter is manually adjusted, so that the filament cutting flow rate is increased. When the material in the storage bin of the feeding machine is excessive, the rotating speed of the knife roller of the filament cutter is manually adjusted, so that the filament cutting flow is reduced. If because the artificial error of operative employee, do not pay attention to the material volume in the feeder warehouse for the feeder feeding is faster than the ejection of compact, leads to the feeder warehouse to be full, thereby makes the filament cutter stop the feed. The filament cutter frequently opens and stops, can influence and shred the quality.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a shred flow automatic control device to solve among the above-mentioned prior art problem that the improper and filament cutter shut down that causes of filament cutter rotor speed control, realize shredding the automatic control of flow.
The utility model provides a shredding flow automatic control device, wherein, including the filament cutter, conveyer, feeding machine and the controller that link to each other in proper order, be provided with the storage bin on the feeding machine, be provided with first grating group and second grating group on the inner wall of storage bin, first grating group with the relative setting of second grating group, first grating group is used for launching the detection light beam, the second grating group is used for receiving the detection light beam;
the controller is connected with the second grating group and used for receiving the shielding signal sent by the second grating group, obtaining the percentage of the tobacco shred material level in the feeder to the total length of the storage bin according to the shielding signal, and controlling the rotating speed of a knife roller of the shredder and the operation of a lifting belt in the feeder according to the percentage.
The automatic shredding flow control device as described above, wherein the conveyor preferably includes a first conveying section and a second conveying section, one end of the first conveying section is disposed below the output end of the shredder, the other end of the first conveying section is disposed above one end of the second conveying section, and the other end of the second conveying section is disposed above the storage bin.
In the automatic filament cutting flow control device, preferably, the first grating group and the second grating group are both infrared mutual emission gratings.
The utility model also provides a shred flow automatic control method, wherein, adopt the utility model provides a shred flow automatic control device, include following step:
detecting whether the percentage of the tobacco shred material level in the feeder to the total length of the storage bin is greater than a first set value;
if so, controlling the lifting belt in the feeding machine to operate so as to discharge outwards;
detecting whether the percentage of the tobacco shred material level in the feeder in the total length of the storage bin reaches a first threshold value or not in the operating state of the lifting belt;
if yes, controlling the knife roller in the shredder to run at a first rotating speed;
detecting whether the percentage of the tobacco shred material level in the feeder in the total length of the storage bin reaches a second threshold value or not in the operating state of the lifting belt;
if yes, controlling the knife roller in the shredder to run at a second rotating speed, wherein the second rotating speed is less than the first rotating speed;
detecting whether the percentage of the tobacco shred material level in the feeder in the total length of the storage bin reaches a third threshold value or not in the operating state of the lifting belt;
if yes, controlling the knife roller in the shredder to operate at a third rotating speed, wherein the third rotating speed is less than the second rotating speed.
The method for automatically controlling a shredding flow rate as described above preferably further comprises:
detecting whether the rotating speed of the knife roller is a third rotating speed or not and detecting whether the percentage of the tobacco shred material level in the feeder to the total length of the storage bin is smaller than a first set value or not in the operating state of the lifting belt;
and if so, controlling the knife roller to operate at a second rotating speed.
The method for automatically controlling a shredding flow rate as described above preferably further comprises:
detecting whether the rotating speed of the knife roller is a second rotating speed or not and detecting whether the percentage of the tobacco shred material level in the feeder in the total length of the storage bin is smaller than a second set value or not in the operating state of the lifting belt;
and if so, controlling the knife roller to run at the first rotating speed.
In the automatic shredding flow rate control method as described above, preferably, the first set value is 60% and the second set value is 30%.
In the automatic shredding flow rate control method as described above, preferably, the first threshold value is greater than or equal to 0 and less than 40%, the second threshold value is greater than or equal to 40% and less than 70%, and the third threshold value is greater than or equal to 70% and less than 100%.
The utility model provides a shred flow automatic control device utilizes first grating subassembly and second grating subassembly to detect the pipe tobacco material level in the feeder storage bin, has realized the automatic material of carrying of feeder, makes the rotor speed realize automatically regulated according to the material level of pipe tobacco material in the storage bin simultaneously, and accurate control shreds the flow, has effectively avoided because of the disconnected material condition that human error or cause when the maintenance of equipment, has reduced the shut down frequency, has ensured the continuity of production.
Drawings
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
Fig. 1 is a schematic structural view of an automatic shredding flow control device according to an embodiment of the present invention;
FIG. 2 is a graph of the rotational speed of the knife roll and the percentage of the tobacco level in the feeder to the total length of the storage bin;
fig. 3 is a flowchart of an automatic shredding flow control method according to an embodiment of the present invention.
Description of reference numerals:
100-filament cutter 200-feeder
300-conveyor 310-first conveying section
320-second conveying section
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present invention, and should not be construed as limiting the present invention.
As shown in fig. 1 and fig. 2, an embodiment of the present invention provides an automatic shredding flow control device, which includes a shredder 100, a conveyor 300, a feeder 200, and a controller connected in sequence, wherein a storage bin is disposed on the feeder 200, a first grating group and a second grating group are disposed on an inner wall of the storage bin, the first grating group and the second grating group are disposed oppositely, the first grating group is used for emitting a detection light beam, and the second grating group is used for receiving the detection light beam; the controller is connected with the second grating group and used for receiving the shielding signal sent by the second grating group, obtaining the percentage of the tobacco shred material level in the feeder 200 in the total length of the storage bin according to the shielding signal, and controlling the rotating speed of the knife roller of the shredder 100 and the operation of the lifting belt in the feeder 200 according to the percentage. Wherein, the controller is a PLC controller.
The first grating group and the second grating group extend in the length direction of the storage bin, so that the detection of the tobacco shred material level in the storage bin can be realized through the matching of the first grating group and the second grating group. Wherein, first grating group can regard as the transmitting terminal, and second grating group can regard as the receiving terminal, and the light beam of first grating group transmission can be received by second grating group, and when the light beam received sheltering from of pipe tobacco material and lead to that second grating group can't receive then, second grating group can send the signal of sheltering from this moment, and the controller can obtain the pipe tobacco material level according to this signal of sheltering from, can obtain the percentage that pipe tobacco material level accounts for the total length of storage bin in the feeder 200 simultaneously to further the rotational speed of adjusting the rotor according to this percentage and the operation of lifting belt in the feeder 200.
Specifically, in the working process, if the position of the cut tobacco in the feeder 200 accounts for more than 60% of the total length of the storage bin, the controller controls the lifting belt in the feeder 200 to operate so as to discharge the cut tobacco outwards.
In the operating state of the lifting belt, if the fact that the tobacco shred level in the feeder 200 accounts for more than or equal to 0 and less than 40 percent of the total length of the storage bin is detected, the cutter roller in the tobacco cutter 100 is controlled to operate at a first rotating speed; at the moment, the tobacco shred materials in the storage bin are less, the rotating speed of the knife roller can be increased to accelerate the tobacco leaf and tobacco stem shredding, and therefore the tobacco shred materials in the storage bin can be quickly supplemented.
If the detected percentage of the tobacco shred material level in the feeder 200 in the total length of the storage bin is more than or equal to 40% and less than 70%, the controller controls the knife roller in the tobacco cutter 100 to operate at a second rotating speed, and the second rotating speed is less than the first rotating speed; at the moment, the tobacco shred materials in the storage bin reach a balanced supply state, and the rotating speed of the knife roller can be reduced so as to slow down the supply of the tobacco shred materials.
If the fact that the material level of the cut tobacco in the feeder 200 accounts for 70% or more and less than 100% of the total length of the storage bin is detected, the controller controls the cutter roller in the tobacco cutter 100 to operate at a third rotating speed, and the third rotating speed is less than the second rotating speed; at this moment, the pipe tobacco material in the storage bin is close full storehouse state, needs further reduce rotor speed to the pipe tobacco material of preferential in to the storage bin is discharged, prevents that the storage bin is full storehouse and causes the shut down.
In addition, in the operating state of the lifting belt, if the knife roll operates at a lower third rotating speed and the percentage of the tobacco shred material level in the feeder 200 in the total length of the storage bin is detected to be less than 60%, the situation that the material in the storage bin is approximately half discharged and has a larger storage space is indicated, and at the moment, if the knife roll operates at the lower third rotating speed, the feeding speed of the tobacco shred material is far less than the discharging speed of the tobacco shred material in the storage bin, so that the storage bin operates in an idle load manner; at this time, the knife roller can be controlled to operate at a second relatively high rotating speed, so that the discharging speed and the feeding speed of the storage bin are kept in a relatively balanced state.
And if the knife roller operates at a second balanced rotating speed and the percentage of the tobacco shred material level in the feeder 200 in the total length of the storage bin is detected to be less than 30%, the tobacco shred material in the storage bin is seriously lacked and needs to be supplied quickly, and at the moment, the knife roller can be controlled to operate at a first higher rotating speed so as to quicken the shredding of the tobacco leaves and the tobacco stems.
Compared with the prior art, the embodiment of the utility model provides a shred flow automatic control device utilizes first grating subassembly and second grating subassembly to detect the interior pipe tobacco material level of feeder 200 warehouse, the automatic material of carrying of feeder 200 has been realized, make the rotor speed realize automatically regulated according to the material level of pipe tobacco material in the warehouse simultaneously, accurate control shreds flow, effectively avoided because of the disconnected material condition that human error or cause when the maintenance of equipment, the shut down frequency has been reduced, the continuity of production has been ensured.
The first grating group and the second grating group can be infrared mutual emission gratings.
Further, as shown in fig. 1, in order to facilitate assembly of the conveyor 300 and adjustment of the conveying path and length, the conveyor 300 includes a first conveying section 310 and a second conveying section 320, one end of the first conveying section 310 is disposed below the output end of the shredder 100, the other end of the first conveying section 310 is disposed above one end of the second conveying section 320, and the other end of the second conveying section 320 is disposed above the bin.
As shown in fig. 2 and fig. 3, the embodiment of the present invention further provides a method for automatically controlling the shredding flow, which is used in the device according to any embodiment of the present invention, which specifically includes the following steps:
step S1, detecting whether the percentage of the tobacco shred material level in the feeder to the total length of the storage bin is larger than a first set value; if so, the process proceeds to step S2. Wherein the first set value is 60%.
And step S2, controlling the lifting belt in the feeder to operate so as to discharge outwards.
Step S3, detecting whether the percentage of the tobacco shred material level in the feeder in the total length of the storage bin reaches a first threshold value or not in the running state of the lifting belt; if so, the process proceeds to step S4. Wherein the first threshold is greater than or equal to 0 and less than 40%.
And step S4, controlling the knife roller in the shredder to run at the first rotating speed.
At the moment, the tobacco shred materials in the storage bin are less, the rotating speed of the knife roller can be increased to accelerate the tobacco leaf and tobacco stem shredding, and therefore the tobacco shred materials in the storage bin can be quickly supplemented.
Step S5, detecting whether the percentage of the tobacco shred material level in the feeder in the total length of the storage bin reaches a second threshold value or not in the running state of the lifting belt; if so, the process proceeds to step S6. Wherein the second threshold is greater than or equal to 40% and less than 70%.
And step S6, controlling the knife roller in the shredder to operate at a second rotating speed, wherein the second rotating speed is less than the first rotating speed.
At the moment, the tobacco shred materials in the storage bin reach a balanced supply state, and the rotating speed of the knife roller can be reduced so as to slow down the supply of the tobacco shred materials.
Step S7, detecting whether the percentage of the tobacco shred material level in the feeder in the total length of the storage bin reaches a third threshold value or not in the running state of the lifting belt; if so, the process proceeds to step S8. Wherein the third threshold is greater than or equal to 70% and less than 100%.
And step S8, controlling the knife roller in the shredder to operate at a third rotating speed, wherein the third rotating speed is less than the second rotating speed.
At this moment, the pipe tobacco material in the storage bin is close full storehouse state, needs further reduce rotor speed to the pipe tobacco material of preferential in to the storage bin is discharged, prevents that the storage bin is full storehouse and causes the shut down.
Further, the method also includes:
detecting whether the rotating speed of the knife roll is a third rotating speed or not in the running state of the lifting belt, and detecting whether the percentage of the tobacco shred material level in the feeder to the total length of the storage bin is smaller than a first set value or not; if yes, the knife roller is controlled to operate at the second rotating speed. Namely, if the rotating speed of the cutter roller is detected to be the third rotating speed, and the percentage of the tobacco shred material level in the feeder to the total length of the storage bin is detected to be less than the first set value, the cutter roller is controlled to operate at the second rotating speed. Wherein the first set value is 60%.
At the moment, the materials in the storage bin are approximately half discharged, and the storage bin has a larger storage space, and at the moment, if the knife roller runs at a lower third rotating speed, the feeding speed of the tobacco shred materials is far lower than the discharging speed of the tobacco shred materials in the storage bin, so that the storage bin runs in an idle load mode easily; at this time, the knife roller can be controlled to operate at a second relatively high rotating speed, so that the discharging speed and the feeding speed of the storage bin are kept in a relatively balanced state.
Further, the method also includes:
detecting whether the rotating speed of the knife roll is a second rotating speed or not in the running state of the lifting belt, and detecting whether the percentage of the tobacco shred material level in the feeder in the total length of the storage bin is smaller than a second set value or not; if yes, the knife roller is controlled to run at the first rotating speed. And controlling the knife roll to operate at the first rotating speed if the rotating speed of the knife roll is detected to be the second rotating speed and the percentage of the tobacco shred material level in the feeder to the total length of the storage bin is detected to be less than a second set value. Wherein the second set value is 30%.
At the moment, the tobacco shred materials in the storage bin are seriously lacked, the feeding needs to be accelerated, and the knife roller can be controlled to operate at a first higher rotating speed so as to accelerate the shredding of the tobacco leaves and the tobacco stems.
The embodiment of the utility model provides a shred flow automatic control device utilizes first grating subassembly and second grating subassembly to detect the interior pipe tobacco material level of feeder storage bin, has realized the automatic material of carrying of feeder, makes the rotor speed realize automatically regulated according to the material level of pipe tobacco material in the storage bin simultaneously, and accurate control shreds flow, has effectively avoided because of the disconnected material condition that human error or cause when the maintenance of equipment, has reduced the shut down frequency, has ensured the continuity of production.
The structure, features and effects of the present invention have been described in detail above according to the embodiment shown in the drawings, and the above description is only the preferred embodiment of the present invention, but the present invention is not limited to the implementation scope shown in the drawings, and all changes made according to the idea of the present invention or equivalent embodiments modified to the same changes should be considered within the protection scope of the present invention when not exceeding the spirit covered by the description and drawings.
Claims (3)
1. The automatic shredding flow control device is characterized by comprising a shredder, a conveyor, a feeder and a controller which are sequentially connected, wherein a storage bin is arranged on the feeder, a first grating group and a second grating group are arranged on the inner wall of the storage bin, the first grating group and the second grating group are oppositely arranged, the first grating group is used for emitting a detection light beam, and the second grating group is used for receiving the detection light beam;
the controller is connected with the second grating group and used for receiving the shielding signal sent by the second grating group, obtaining the percentage of the tobacco shred material level in the feeder to the total length of the storage bin according to the shielding signal, and controlling the rotating speed of a knife roller of the shredder and the operation of a lifting belt in the feeder according to the percentage.
2. The device for automatically controlling the shredding flow according to claim 1, wherein the conveyor includes a first conveying section and a second conveying section, one end of the first conveying section is disposed below the output end of the shredder, the other end of the first conveying section is disposed above one end of the second conveying section, and the other end of the second conveying section is disposed above the storage bin.
3. A device for automatically controlling the shredding flow rate according to claim 1, wherein the first grating group and the second grating group are both ir gratings.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201922181159.9U CN211353883U (en) | 2019-12-06 | 2019-12-06 | Automatic controller for shredding flow |
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| CN201922181159.9U CN211353883U (en) | 2019-12-06 | 2019-12-06 | Automatic controller for shredding flow |
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| CN211353883U true CN211353883U (en) | 2020-08-28 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110771943A (en) * | 2019-12-06 | 2020-02-11 | 河南中烟工业有限责任公司 | Automatic control device and control method for shredding flow |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110771943A (en) * | 2019-12-06 | 2020-02-11 | 河南中烟工业有限责任公司 | Automatic control device and control method for shredding flow |
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