CN212120245U - Shredder feed control mechanism and shredder - Google Patents
Shredder feed control mechanism and shredder Download PDFInfo
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- CN212120245U CN212120245U CN202020185385.4U CN202020185385U CN212120245U CN 212120245 U CN212120245 U CN 212120245U CN 202020185385 U CN202020185385 U CN 202020185385U CN 212120245 U CN212120245 U CN 212120245U
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Abstract
The utility model discloses a feeding control mechanism of a shredder, which is used for monitoring and controlling the shredder and comprises a sensor unit, a control unit and a speed regulation unit, wherein the sensor unit and the speed regulation unit are both in communication connection with the control unit; the sensor unit is used for monitoring the rotating speed of the knife roll and sending signals to the control unit, the speed regulating unit is used for receiving speed regulating signals sent by the control unit and monitoring and regulating the speed of the feeding conveying belt, and the control unit is used for receiving signals sent by the sensor unit and sending speed regulating signals to the speed regulating unit. The utility model discloses still disclose a shredder, shredder includes two at least rotor, frame, power device, feeding conveyer belt, buncher to and feeding control mechanism. The feeding control mechanism can monitor the rotating speed of the knife roll and whether the knife roll is locked up in real time, and automatically adjust the working speed of the feeding conveyer belt and start or stop the feeding conveyer belt according to the working state of the knife roll.
Description
Technical Field
The utility model belongs to the technical field of machinery, specifically speaking, the utility model relates to a shredder feed control mechanism and contain this feed control mechanism's shredder.
Background
At present, a large amount of waste steel bars are generated on the construction site and the removal site, the waste steel bar shredding is an important waste steel bar treatment and recovery technology, and people utilize a steel bar shredder to treat the waste steel bars into steel bar particles with the length of about 10 cm and then transport the steel bar particles back to a steel mill for re-melting and steelmaking. Adopt the shredder at present to carry out broken volume reduction before recycling reinforcing bar and handle, mostly be the setting of biax roller, also the relative rotation of the rotor that power device drove two relative settings, treat that the material of shredding gets into two axials after in the middle of by broken. The shredder mainly comprises a main power device, a knife roller, a feeding conveyer belt, a hopper and other structures.
When the shredder works, the feeding conveyer belt conveys waste steel bars or materials to be processed into the hopper, the waste steel bars or the materials fall between the two knife rollers, and the waste steel bars or the materials are shredded through the relative rotation of the two knife rollers. In the process, the rotating speed of the cutter roller can be changed along with the difference of the number of the falling materials and the specification of the materials, and if too many materials enter at one time, the cutter roller is likely to be blocked. In the actual use process, the feeding conveyer belt can not be matched with the working states of the rotating speed of the knife roller, whether the rotation is blocked or not and the like, so that the conveying speed can be automatically adjusted, and the feeding conveyer belt can be started or closed. Therefore, various problems may occur when actually shredding material. When the speed of the knife roller is slowed due to the fact that more materials enter at one time or the time required for processing is prolonged due to the fact that the materials are thick, if the speed of the feeding conveying belt is lowered to reduce the conveying amount of the materials in an inadaptable mode, the situation that the knife roller is locked is caused to occur frequently; when the knife roll speed becomes fast, if the speed of the feeding conveyer belt is improved to increase the material conveying capacity, the feeding at the knife roll is less, the working efficiency is low, and even intermittent idling and other conditions occur.
In summary, it is desirable to provide a feeding control mechanism for a shredder and a shredder including the same, so as to solve the technical problems existing in the prior art that a feeding conveyer belt cannot automatically cooperate with the working condition of a knife roll to adjust the material conveying speed, the production efficiency of the shredder is limited, and the energy waste is serious.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: the utility model provides a shredder feed control mechanism can make the shredder according to the different operating mode changes, adjusts the speed of feeding conveyer belt and start, stop, reduces the stifled number of times of changeing of rotor, improves the work efficiency of shredder, and it is extravagant to reduce the energy.
In order to realize the purpose, the utility model discloses the technical scheme who takes does:
a feeding control mechanism of a shredder is used for monitoring and controlling the shredder and comprises a sensor unit, a control unit and a speed regulating unit, wherein the sensor unit and the speed regulating unit are in communication connection with the control unit; the speed regulating device comprises a sensor unit, a control unit, a speed regulating unit and a speed regulating unit, wherein the sensor unit is used for monitoring the rotating speed of a cutter roll and sending signals to the control unit, the control unit is used for receiving the signals sent by the sensor unit and sending speed regulating signals to the speed regulating unit, and the speed regulating unit is used for receiving the speed regulating signals sent by the control unit and monitoring and regulating the speed of a feeding conveying belt.
On the basis of the above embodiment, in another more preferred embodiment, the control unit includes a microcontroller and a touch device, and the microcontroller is in communication connection with the touch device, the sensor unit and the speed regulation unit respectively.
In a further preferred embodiment, on the basis of the above embodiment, the sensor unit monitors the rotational speed of the shredder blade rollers and sends the monitored rotational speed signal to the microcontroller.
On the basis of the above embodiment, in another more preferred embodiment, the microcontroller sends a speed regulating signal to the speed regulating unit, and the speed regulating unit controls the speed of the feeding conveyer belt according to the speed regulating signal.
On the basis of the above embodiment, in another more preferred embodiment, the microcontroller receives a data signal sent by the touch device.
On the basis of the above embodiment, in another more preferred embodiment, the touch device includes a display screen for displaying the working speeds of the knife roller and the feeding conveyer belt.
In addition to the above embodiments, in another more preferred embodiment, the touch device is preset with a control flow and a control threshold of the shredder.
On the basis of the above embodiment, in another more preferred embodiment, the speed regulating unit is electrically connected with the speed regulating motor for regulating the working speed of the feeding conveyer belt.
The utility model also discloses a shredder, shredder includes two at least rotor, frame, power device, feeding web, buncher, the buncher drive feeding web rotates, power device drives the rotor rotates, still includes foretell shredder feed control mechanism, the speed governing unit is connected with feeding web's motor electricity.
The technical scheme of the utility model the beneficial technological effect who gains is:
the utility model provides a shredder feed control mechanism, at the shredder during operation, feed control mechanism can real-time supervision rotor bar the rotational speed, whether the rotor bar stalls to operating speed, the opening or the stop of according to the operating condition automatic adjustment feeding conveyer belt of rotor bar. When the rotating speed of the knife rollers becomes slow, the control mechanism sends a speed regulating signal to the speed regulating unit according to a preset processing model, the speed regulating unit receives the speed regulating signal and then reduces the rotating speed of the feeding conveying belt, and the amount of materials entering between the two knife rollers is reduced so as to reduce the number of locked-rotor times of the knife rollers; when the rotating speed of the knife rolls is high, the control mechanism sends speed regulating signals to the speed regulating unit according to the preset processing model to improve the rotating speed of the feeding conveying belt, so that the amount of materials entering between the two knife rolls is improved, the working efficiency of the knife rolls is improved, and energy waste is avoided.
The utility model provides a shredder, the structure sets up rationally, and work efficiency is high, can match material feeding volume according to the operating condition of rotor through feed control mechanism automatically, is showing the stifled number of times of changeing that has reduced the rotor, has improved the life of rotor.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation.
FIG. 1 is a schematic view of a shredder according to an embodiment of the present invention;
FIG. 2 is a block diagram of a shredder according to an embodiment of the present invention (the control mechanism is shown in phantom);
FIG. 3 is a schematic diagram of the circuit configuration of a shredder feed control mechanism in another embodiment of the present invention;
FIG. 4 is a partial control flow diagram of a shredder feed control mechanism in accordance with another embodiment of the present invention.
Reference numerals: 1. a knife roll; 2. a sensor unit; 3. a control unit; 3.1, a microcontroller; 3.2, a touch device; 4. a feed conveyor belt; 5. a speed-regulating motor; 6. a speed regulating unit.
Detailed Description
The present invention will be described in detail with reference to the drawings, which are provided for illustrative and explanatory purposes only and should not be construed as limiting the scope of the present invention in any way. Furthermore, features from embodiments in this document and from different embodiments may be combined accordingly by a person skilled in the art from the description in this document.
Example 1
Referring to fig. 1, in the shredder of the embodiment, the shredder includes at least two knife rolls, a frame, a power device, a feeding conveyor belt, a speed-regulating motor, the speed-regulating motor drives the feeding conveyor belt to rotate, the power device drives the knife rolls to rotate, and the shredder further includes a shredder feeding control mechanism for monitoring and controlling the working state of the shredder. Either hydraulic means or an electric motor may be used as the power means for the shredder.
Referring to fig. 2 and 3 simultaneously, the feeding control mechanism of the shredder comprises a sensor unit, a control unit and a speed regulating unit, wherein the sensor unit and the speed regulating unit are in communication connection with the control unit; the sensor unit is used for monitoring the rotating speed of the knife roll and sending signals to the control unit, the speed regulating unit is used for receiving speed regulating signals sent by the control unit and monitoring and regulating the speed of the feeding conveying belt, and the control unit is used for receiving signals sent by the sensor unit and sending speed regulating signals to the speed regulating unit. The sensor unit is a mature product in the prior art and is fixed at the end part of the knife roll, so that the rotating speed of the knife roll can be detected in real time; the speed regulating unit is electrically connected with a motor of the feeding conveyer belt, and the rotating speed of the motor can be controlled so as to control the working speed of the feeding conveyer belt; the control unit is fixed on the side surface of the frame, so that the operation of an operator is facilitated. In the working process of the shredder in the embodiment, the feeding control mechanism can monitor the rotating speed of the knife roll and whether the knife roll is locked up in real time, and automatically adjust the working speed of the feeding conveyer belt and start or stop according to the working state of the knife roll. When the rotating speed of the knife rollers becomes slow, the control mechanism sends a speed regulating signal to the speed regulating unit according to a preset processing model, the speed regulating unit receives the speed regulating signal and then reduces the rotating speed of the feeding conveying belt, and the amount of materials entering between the two knife rollers is reduced so as to reduce the number of locked-rotor times of the knife rollers; when the rotating speed of the knife rolls is high, the control mechanism sends speed regulating signals to the speed regulating unit according to the preset processing model to improve the rotating speed of the feeding conveying belt, so that the amount of materials entering between the two knife rolls is improved, the working efficiency of the knife rolls is improved, and energy waste is avoided.
Referring to fig. 2, in a modified embodiment, based on the above embodiment, the control unit of the shredder feed control mechanism comprises a microcontroller and a touch control device, and the microcontroller is respectively connected with the touch control device, the sensor unit and the speed regulating unit in a communication way. The touch device receives a data signal sent by the microcontroller. An operator can preset the control flow and the control threshold of the shredder through the touch device. When the microcontroller sends a speed regulating signal to the speed regulating unit, the speed regulating unit receives the speed regulating signal and regulates the rotating speed of the speed regulating motor to a target value in time.
On the basis of the above embodiment, in another improved embodiment, the touch device comprises a display screen for displaying the working speed of the knife roller and the feeding conveyer belt. Thus, the operating state of the shredder can be conveniently checked by an operator in real time.
The operation and working principle of the shredder feed control mechanism in this embodiment will be briefly described below with reference to FIGS. 2-4:
a. the shredder feed control mechanism is started and the control unit begins preprocessing.
b. The rotating speed value of the knife roller is detected by the sensor unit and a signal is sent to the control unit.
c. The control unit controls the speed regulating unit of the feeding conveyer belt according to the received signals of the rotating speed of the knife roll measured by the sensor unit in real time, and the speed regulating unit controls the rotating speed of the speed regulating motor after receiving the speed regulating signals, so that the linear speed of the feeding conveyer belt is matched with the linear speed of the knife roll. When the control unit judges that the rotating speed value of the knife roll is smaller than a preset first threshold value, a signal is sent to the speed regulating unit to stop the feeding conveyer belt from running; and the control unit sends a signal to the speed regulating unit to start the feeding conveyer belt to run under the condition that the rotating speed value is judged to be larger than a preset second threshold value.
In practical use, the first threshold of the control unit can be set to be 2 rpm and the second threshold can be set to be 5 rpm through the touch device. The control unit sends a signal to the speed regulating unit to stop the operation of the feeding conveyer belt under the condition of judging that the rotating speed value of the knife roll is less than 2 revolutions per minute according to the rotating speed of the knife roll measured by the sensor unit; and when the rotating speed value is more than 5 revolutions per minute, sending a signal to the speed regulating unit to start the feeding conveyer belt to run. Therefore, when the rotating speed of the knife roller is too low, a large amount of materials conveyed by the feeding conveying belt are accumulated above the knife roller, and the phenomenon that the knife roller blocks the rotating shaft due to the fact that too many materials are processed at one time is avoided.
In the feeding control mechanism of the shredder of the embodiment, the knife roll is provided with the sensor unit for measuring the speed of the knife roll, and the signal of the sensor unit is connected to the microprocessor of the control mechanism. The feeding conveyor belt motor is connected with a motor speed regulating unit, the motor speed regulating unit is connected to a microprocessor of the control mechanism, receives a control signal of the microprocessor, and regulates the rotating speed of the feeding conveyor belt motor. The feeding control mechanism of the shredder is characterized in that the control unit sends a signal to the speed regulating unit to stop the feeding conveyer belt from running under the condition that the control unit judges that the rotating speed value of the knife roller is smaller than a preset first threshold value; and under the condition that the control unit judges that the rotating speed value of the knife roll is greater than a preset second threshold value, the control unit sends a signal to the speed regulating unit, and the speed regulating motor is started to enable the feeding conveyer belt to start to operate. The control unit automatically controls the speed regulating unit of the feeding conveying belt according to the rotating speed of the knife roller measured by the sensor unit, so that the linear speed of the feeding conveying belt is controlled to follow the linear speed of the knife roller in real time, and energy waste and knife roller stalling are avoided.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (9)
1. A feeding control mechanism of a shredder is used for monitoring and controlling the shredder and is characterized in that the feeding control mechanism of the shredder comprises a sensor unit, a control unit and a speed regulating unit, wherein the sensor unit and the speed regulating unit are in communication connection with the control unit; the speed regulating device comprises a sensor unit, a control unit, a speed regulating unit and a speed regulating unit, wherein the sensor unit is used for monitoring the rotating speed of a cutter roll and sending signals to the control unit, the control unit is used for receiving the signals sent by the sensor unit and sending speed regulating signals to the speed regulating unit, and the speed regulating unit is used for receiving the speed regulating signals sent by the control unit and monitoring and regulating the speed of a feeding conveying belt.
2. The shredder feed control mechanism of claim 1 wherein the control unit includes a microcontroller and a touch control device, the microcontroller being communicatively connected to the touch control device, the sensor unit and the speed adjustment unit, respectively.
3. A shredder feed control mechanism according to claim 2 wherein the sensor unit monitors the rotational speed of the shredder blade rollers and sends the monitored rotational speed signal to the microcontroller.
4. A shredder feed control mechanism according to claim 3 wherein the microcontroller sends a speed governing signal to the speed governing unit, the speed governing unit controlling the speed of the feed conveyor belt in accordance with the speed governing signal.
5. The shredder feed control mechanism of claim 2 wherein the microcontroller receives data signals transmitted by the touch sensitive device.
6. The shredder feed control mechanism of claim 2 wherein the touch sensitive device includes a display screen for displaying the operating speed of the knife roller and the feed conveyor belt.
7. A shredder feed control mechanism according to claim 6 in which the touch sensitive device is pre-set with control flow and control thresholds for the shredder.
8. A shredder feed control mechanism according to any one of claims 1 to 7, wherein the speed regulating unit is electrically connected to the motor of the feed conveyor for regulating the operating speed of the motor of the feed conveyor.
9. A shredder comprising at least two knife rolls, a frame, a power device, a feeding conveyer belt, an adjustable speed motor, wherein the adjustable speed motor drives the feeding conveyer belt to rotate, the power device drives the knife rolls to rotate, the shredder is characterized by further comprising the feeding control mechanism of any one of claims 1 to 8, and the adjustable speed unit is electrically connected with the motor of the feeding conveyer belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020185385.4U CN212120245U (en) | 2020-02-19 | 2020-02-19 | Shredder feed control mechanism and shredder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020185385.4U CN212120245U (en) | 2020-02-19 | 2020-02-19 | Shredder feed control mechanism and shredder |
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| CN212120245U true CN212120245U (en) | 2020-12-11 |
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| CN202020185385.4U Active CN212120245U (en) | 2020-02-19 | 2020-02-19 | Shredder feed control mechanism and shredder |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114378361A (en) * | 2022-02-15 | 2022-04-22 | 长沙中金智能装备有限公司 | Feeding device for steel shearing machine and waste steel processing system |
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2020
- 2020-02-19 CN CN202020185385.4U patent/CN212120245U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114378361A (en) * | 2022-02-15 | 2022-04-22 | 长沙中金智能装备有限公司 | Feeding device for steel shearing machine and waste steel processing system |
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