CN208270997U - Shredder control system - Google Patents
Shredder control system Download PDFInfo
- Publication number
- CN208270997U CN208270997U CN201820964272.7U CN201820964272U CN208270997U CN 208270997 U CN208270997 U CN 208270997U CN 201820964272 U CN201820964272 U CN 201820964272U CN 208270997 U CN208270997 U CN 208270997U
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- Prior art keywords
- shredder
- control device
- control
- electrically connected
- knife rod
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Abstract
The utility model relates to a kind of shredder control systems, comprising: hydraulic regulating device, control device, current of electric monitoring device.Current of electric monitoring device is electrically connected with control device, the electric current of the knife rod driving motor for detecting shredder, and exports detection signal to control device.Control device is used to generate control signal according to detection signal and be sent to hydraulic regulating device.The oil circuit outlet of shredder fluid pressure drive device is arranged in hydraulic regulating device, is electrically connected with control device, for the flow of fluid pressure drive device oil circuit outlet being adjusted, to control pusher speed of the material pushing box of shredder in pusher chamber according to control signal.The electric current of real-time monitoring knife rod driving motor adjusts the pusher speed of material pushing box according to the electric current of knife rod driving motor, makes pusher speed and tears material speeds match, different pusher speed is taken for the material of different hardness, improves the production efficiency of shredder.
Description
Technical field
The utility model relates to a kind of solid materials to tear up technical field, more particularly to a kind of shredder control system.
Background technique
Shredder is generally used for the crushing of processing solid state feed stock or leftover pieces, returns in chemical industry, food, drug, environmental protection
The fields such as receipts are all widely used.The workflow of traditional shredder is that material enters pusher chamber from feed inlet；Pusher chamber
In material pushing box be hydraulically operated device driving, push the product into particle chamber；Rotation is driven by motor in knife rod in particle chamber,
Material is torn up and is sent to discharge port.
In the prior art, material pushing box back and forth movement is opened in pusher chamber when being triggered to advance limit switch or retreating limit
Guan Ze turns back, and the speed to move forward and backward is the same and is fixed, this make for different hardness material fltting speed all
Equally, the speed cooperation of material cannot be torn up with knife rod.When material hardness is smaller, pusher speed is torn than knife rod expects that speed is slow,
Knife rod working efficiency is lower, and the production efficiency of shredder is limited.
Utility model content
Based on this, it is necessary to for pusher and tear material speed mismatch, the low problem of shredder production efficiency provides one kind
Shredder control system.
The utility model embodiment provides a kind of shredder control system, comprising: hydraulic regulating device, control device, electricity
Machine current monitoring device,
Current of electric monitoring device is electrically connected with control device, the electric current of the knife rod driving motor for detecting shredder,
And detection signal is exported to control device；
Control device is used to generate control signal according to detection signal and be sent to hydraulic regulating device；
The oil circuit outlet of the fluid pressure drive device of shredder is arranged in hydraulic regulating device, is electrically connected, uses with control device
According to control signal, the flow of fluid pressure drive device oil circuit outlet is adjusted, to control the material pushing box of shredder in pusher chamber
Pusher speed.
Hydraulic regulating device is electronic throttle in one of the embodiments, and electronic throttle is arranged in hydraulic-driven
On the preceding oil inlet and outlet of device.
Current of electric monitoring device includes current transformer and rectification unit, rectification unit in one of the embodiments,
It is electrically connected current transformer and control device.
Control device is also used to be electrically connected the solenoid directional control valve of fluid pressure drive device in one of the embodiments,.
It in one of the embodiments, further include motor regulation device, motor regulation device is electrically connected control device, is used in combination
In electrical connection knife rod driving motor.
Motor regulation device includes rotating forward regulation unit and reversion regulation unit in one of the embodiments,
It rotates forward regulation unit and is electrically connected control device, and for being electrically connected knife rod driving motor；
Reversion regulation unit is electrically connected control device, and for being electrically connected knife rod driving motor.
Control device is also used to be electrically connected the advance limit being arranged in pusher chamber and opens in one of the embodiments,
Close and retreat limit switch.
Control device is programmable logic controller (PLC) in one of the embodiments,.
Control device is single-chip microcontroller in one of the embodiments,.
Control device is arm processor in one of the embodiments,.
Above-mentioned shredder control system passes through the knife rod driving motor of current of electric monitoring device real-time detection shredder
Electric current, and export detection signal to control device, control device generates control signal according to detection signal and exports, hydraulic tune
Control the control signal of device receiving control device output, the hydraulic fluid flow rate of regulation fluid pressure drive device oil circuit outlet, to control
Movement velocity of the material pushing box processed in pusher chamber makes pusher speed and tears material speeds match, the material of different hardness is taken
Different pusher speed, improves the production efficiency of shredder.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of shredder control system in one embodiment；
Fig. 2 is the structural schematic diagram of shredder control system in another embodiment；
Fig. 3 is the structural schematic diagram of shredder control system in another embodiment；
Fig. 4 is the circuit theory schematic diagram of motor regulation device in one embodiment.
Specific embodiment
The utility model is more fully retouched below with reference to relevant drawings for the ease of understanding the utility model,
It states.The preferred embodiment of the utility model is given in attached drawing.But the utility model can come in many different forms in fact
It is existing, however it is not limited to embodiment described herein.On the contrary, purpose of providing these embodiments is makes public affairs to the utility model
It is more thorough and comprehensive to open content.
It should be noted that it can be directly to separately when an element is considered as " connection " another element
One element and it is in combination be integrated, or may be simultaneously present centering elements.Term as used herein " installation ", " one
End ", " other end " and similar statement are for illustrative purposes only.
Unless otherwise defined, all technical and scientific terms used herein are led with the technology for belonging to the utility model
The normally understood meaning of the technical staff in domain is identical.Terminology used in the description of the utility model herein only be
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term " and or " used herein includes
Any and all combinations of one or more related listed items.
As shown in Figure 1, the utility model embodiment provides a kind of shredder control system, comprising: hydraulic regulating device 10,
Control device 20, current of electric monitoring device 30.
Current of electric monitoring device 30 is electrically connected with control device 20, for detecting the knife rod driving motor 80 of shredder
Electric current, and detection signal is exported to control device 20.
Control device 20 is used to generate control signal according to detection signal and be sent to hydraulic regulating device 10.
The oil circuit outlet of shredder fluid pressure drive device is arranged in hydraulic regulating device 10, is electrically connected with control device 20,
Control signal for being sent according to control device 20 adjusts the flow of fluid pressure drive device oil circuit outlet, to control shredder
Pusher speed of the material pushing box in pusher chamber.
Specifically, the knife rod of 30 real-time detection shredder of current of electric monitoring device drives during material pushing box pusher
The electric current of motor 80, the detection signal that will test are transmitted to control device 20.Control device 20 generates control according to detection signal
Signal processed is simultaneously sent to hydraulic regulating device 10.Hydraulic regulating device 10 is arranged in the oil circuit outlet of fluid pressure drive device, and
It is electrically connected with control device 20, the control signal that receiving control device 20 is sent, the liquid of regulation fluid pressure drive device oil circuit outlet
Pressure oil flow, to control movement velocity of the material pushing box in pusher chamber.Speed and knife rod to make material pushing box promote tear material
Speed match.
The electric current of knife rod driving motor 80 changes with the variation that knife rod loads, and increases knife rod driving electricity when knife rod loads
The electric current of machine 80 increases with it, when the electric current that knife rod loads reduction knife rod driving motor 80 also reduces therewith.The present embodiment provides
Shredder control system, pass through the electric current of real-time detection knife rod driving motor 80, the loading level of real-time monitoring knife rod.Control
Device 20 can make material pushing box slow down or stop when knife rod 80 electric currents of driving motor are larger；In 80 electric current of knife rod driving motor
When smaller, material pushing box is fast forwarded through, make pusher speed and tear material speeds match, the material of different hardness taken different
Pusher speed improves the production efficiency of shredder.
It should be noted that electric current of the control device 20 according to knife rod driving motor 80, control material pushing box movement velocity and
The treatment process of motion state can be and be realized using existing method in the prior art.
In existing shredder, oil inlet and outlet and retrogressing oil outlet before the oil circuit outlet of fluid pressure drive device is divided into.Pusher
The back and forth movement of case is by electrical control, when material pushing box advances and triggers advance limit switch, then the electromagnetism in fluid pressure drive device
Reversal valve commutation is changed to and retreats that oil outlet is fuel-displaced, and material pushing box starts to retreat, when triggering retreats limit switch, then solenoid directional control valve
It commutates again, oil inlet and outlet is fuel-displaced before being changed to, and material pushing box starts to advance, and so moves reciprocatingly.
In one embodiment, as shown in Fig. 2, hydraulic regulating device 10 is electronic throttle 11, electronic throttle 11 is set
It sets on the preceding oil inlet and outlet of fluid pressure drive device.When material pushing box advances, control device 20 is according to current of electric monitoring device
The detection signal of 30 outputs, controls the aperture of electronic throttle 11, to control the fltting speed of material pushing box.
In traditional technology, the oil pressure that goes out of fluid pressure drive device is fixed, the fuel-displaced pressure of preceding oil inlet and outlet and backed off after random
The oil pressure out of hydraulic fluid port is identical, and material pushing box is time-consuming identical in the stroke that moves forward and backward.Because material pushing box pushes material when advancing,
What fltting speed cannot be arranged is too fast, and the speed of backward travel is also restricted.For example, if forward stroke needs 20 seconds,
Then backward travel also wants 20 seconds.The time of backward travel in this way is longer, consumes many times, and the generation of shredder has been dragged slowly to imitate
Rate.
In the shredder for applying the present embodiment control system, fluid pressure drive device can be gone out what oil pressure was arranged
It is bigger, it returns to material pushing box quickly and retreats at limit switch.The present embodiment control system can limit pusher simultaneously
The forward speed of case makes the fltting speed of material pushing box and knife rod tear material speeds match.For example, setting material pushing box one way is transported at full speed
2 seconds a length of when capable, such material pushing box backward travel only needs 2 seconds, and when material pushing box advances, because of the present embodiment control system
Control, the fltting speed of material pushing box can be with the speeds match of tearing up of knife rod, therefore, the shredder control system of the present embodiment
The formation efficiency of shredder can be made higher.
In one embodiment, as shown in Fig. 2, current of electric monitoring device 30 includes current transformer 31 and rectification unit
32, rectification unit 32 is electrically connected current transformer 31 and control device 20.
Specifically, current transformer 31 and the performance loop of knife rod driving motor 80 are of coupled connections, detection knife rod driving electricity
The electric current of machine 80, and the ac signal that will test is transmitted to rectification unit 32.Rectification unit 32 rectifies ac signal,
Detection signal is obtained, and will test signal and be transmitted to control unit.In one embodiment, current transformer 31 is arranged in motor
A wherein phase ac power cord on.Preferably, current transformer 31 is micro mutual inductor, and rectification unit 32 is that full-bridge type is whole
Flowing plate.In a specific embodiment, a certain moment, the current of electric of micro mutual inductor primary side are 100A, secondary side
The electric current of ac signal is 20A, and the AC signal that micro mutual inductor will test is transmitted to full-bridge rectification plate, full-bridge rectification
Output voltage is in the detection signal of 0V to 5V to control device 20 after plate rectification.
In one embodiment, as shown in figure 3, control device 20 is also used to be electrically connected the electromagnetic switch of fluid pressure drive device
Valve 40.
Specifically, solenoid directional control valve 40 according to different electric signals, connect fluid pressure drive device preceding oil inlet and outlet or after
Hydraulic fluid port is exited, material pushing box is moved forward or back.When the load excessive of knife rod, i.e. when the electric current of knife rod driving motor 80 is excessive,
Control device 20 exports electric signal to solenoid directional control valve 40, and control solenoid directional control valve 40 commutates, so that material pushing box converts movement side
To beginning fall back prevents knife rod from generating failure because of load excessive to mitigate the load of knife rod.
In traditional technology, due to the phenomenon that characteristic of material is different, and knife rod has card machine sometimes, when knife rod card machine, need
Manually to suspend shredder, and pusher chamber is cleaned up with the material torn in material chamber, can just be again started up machine, it is very not square
Just.It in one embodiment, as shown in Figure 3,4, further include for controlling the motor tune of knife rod driving motor 80 forward or reverse
Device 50 is controlled, motor regulation device 50 is electrically connected control device 20, and for being electrically connected knife rod driving motor 80.
Specifically, control device 20 sends electric signal to motor regulation device 50, motor regulation device when knife rod card machine
50 control knife rod driving motors 80 invert, and the material of card machine will be caused to be discharged.No longer need to be torn material chamber and pusher by manual cleaning
Material in chamber improves the operational efficiency of shredder.
In one embodiment, as shown in Figure 3,4, motor regulation device 50 includes rotating forward regulation unit 51 and reversion regulation
Unit 52,
It rotates forward regulation unit 51 and is electrically connected control device 20, and for being electrically connected knife rod driving motor 80；Reversion regulation is single
Member 52 is electrically connected control device 20, and for being electrically connected knife rod driving motor 80.
Specifically, rotating forward the electric signal that regulation 51 receiving control device 20 of unit issues, control knife rod driving motor 80 is just
Turn or stops.The electric signal that reversion regulation 52 receiving control device 20 of unit issues, control knife rod driving motor 80 invert or stop
Only.
In a specific embodiment, as shown in figure 4, rotating forward regulation unit 51 is first contactor 511, reversion regulation
Unit 52 is second contactor 521.The first input end a of first contactor 511 is used to connect the first firewire A of three phase mains,
Second input terminal b is used to connect the second firewire B of three phase mains, and third input terminal c is used to connect the third firewire of three phase mains
C；First power input g of the first output end d connection knife rod driving motor 80 of first contactor 511, second output terminal e connect
The second source input terminal h of knife rod driving motor 80 is met, third Ausgang connects the third power input of knife rod driving motor 80
Hold i；The control terminal p connection control device 20 of first contactor 511.The first input end j of second contactor 521 is for connecting three
First firewire A, the second input terminal k of phase power supply is used to connect the second firewire B of three phase mains, and third input terminal l is for connecting
The third firewire C of three phase mains；The third power supply of first output end m connection knife rod driving motor 80 of second contactor 521 is defeated
Enter and holds i, the second source input terminal h of second output terminal n connection knife rod driving motor 80, the driving of third output end o connection knife rod
First power input g of motor 80；The control terminal q connection control device 20 of second contactor 521.
Specifically, first contactor 511 and second contactor 521 are switched on or switched off according to the electric signal of control terminal.When
When one contactor 511 is connected, the first firewire A of three phase mains and the first power input g of knife rod driving motor 80 are connected, the
The second source input terminal h of two firewire B and knife rod driving motor 80 is connected, the third of third firewire C and knife rod driving motor 80
Power input i is connected, and knife rod driving motor 80 rotates forward.It is different from first contactor 511 when second contactor 521 is connected
, the third power supply i input terminal of the first firewire A of three phase mains and knife rod driving motor 80 connects, third firewire C and knife rod
First power input g of driving motor 80 is connected, and is exchanged the phase of two power inputs of knife rod driving motor 80, is made knife
Rod driving motor 80 inverts.
In one embodiment, as shown in figure 3, control device 20 is also used to be electrically connected before being arranged in pusher chamber
Into limit switch 60 and retreat limit switch 70.When material pushing box proceeds at advance limit switch 60, advance limit will be triggered
Switch 60, advance limit switch 60 are sent to control device 20 for electric signal is triggered.Likewise, when material pushing box backs to retrogressing limit
At bit switch 70, it will trigger and retreat limit switch 70, retreat limit switch 70 for electric signal is triggered and be sent to control device 20.
The two trigger signals can judge that the running position of material pushing box provides reference for control device 20, be conducive to control device 20 more
Accurately material pushing box is controlled.
In one embodiment, above-mentioned control device 20 can be programmable logic controller (PLC), single-chip microcontroller or ARM processing
Device.
Each technical characteristic of above embodiments can be combined arbitrarily, for simplicity of description, not to above-described embodiment
In each technical characteristic it is all possible combination be all described, as long as however, the combination of these technical characteristics be not present lance
Shield all should be considered as described in this specification.
Above embodiments only express the several embodiments of the utility model, and the description thereof is more specific and detailed, but simultaneously
The limitation to utility model patent range therefore cannot be interpreted as.It should be pointed out that for the ordinary skill people of this field
For member, without departing from the concept of the premise utility, various modifications and improvements can be made, these belong to this reality
With novel protection scope.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (10)
1. a kind of shredder control system characterized by comprising hydraulic regulating device, control device, current of electric monitoring dress
It sets,
The current of electric monitoring device is electrically connected with the control device, the electricity of the knife rod driving motor for detecting shredder
Stream, and detection signal is exported to the control device；
The control device is used to generate control signal according to the detection signal and be sent to the hydraulic regulating device；
The oil circuit outlet of the fluid pressure drive device of shredder is arranged in the hydraulic regulating device, is electrically connected with the control device
It connects, for the flow of the fluid pressure drive device oil circuit outlet being adjusted, to control the pusher of shredder according to the control signal
Pusher speed of the case in pusher chamber.
2. shredder control system according to claim 1, which is characterized in that the hydraulic regulating device is electronic throttle
Valve, the electronic throttle are arranged on the preceding oil inlet and outlet of the fluid pressure drive device.
3. shredder control system according to claim 2, which is characterized in that the current of electric monitoring device includes electricity
Current transformer and rectification unit, the rectification unit are electrically connected the current transformer and the control device.
4. shredder control system according to claim 3, which is characterized in that the control device is also used to be electrically connected institute
State the solenoid directional control valve of fluid pressure drive device.
5. shredder control system according to claim 4, which is characterized in that further include motor regulation device, the electricity
Machine regulation device is electrically connected the control device, and for being electrically connected the knife rod driving motor.
6. shredder control system according to claim 5, which is characterized in that the motor regulation device includes positive modulation
Unit and reversion regulation unit are controlled,
The rotating forward regulation unit is electrically connected the control device, and for being electrically connected the knife rod driving motor；
The reversion regulation unit is electrically connected the control device, and for being electrically connected the knife rod driving motor.
7. shredder control system according to claim 6, which is characterized in that the control device is also used to be electrically connected respectively
It connects the advance limit switch being arranged in pusher chamber and retreats limit switch.
8. shredder control system according to claim 7, which is characterized in that the control device is programmable logic control
Device processed.
9. shredder control system according to claim 7, which is characterized in that the control device is single-chip microcontroller.
10. shredder control system according to claim 7, which is characterized in that the control device is arm processor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820964272.7U CN208270997U (en) | 2018-06-21 | 2018-06-21 | Shredder control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820964272.7U CN208270997U (en) | 2018-06-21 | 2018-06-21 | Shredder control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208270997U true CN208270997U (en) | 2018-12-21 |
Family
ID=64690273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820964272.7U Expired - Fee Related CN208270997U (en) | 2018-06-21 | 2018-06-21 | Shredder control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208270997U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108614498A (en) * | 2018-06-21 | 2018-10-02 | 广州佰益环保科技有限公司 | Shredder control system and method |
-
2018
- 2018-06-21 CN CN201820964272.7U patent/CN208270997U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108614498A (en) * | 2018-06-21 | 2018-10-02 | 广州佰益环保科技有限公司 | Shredder control system and method |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181221 Termination date: 20200621 |
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| CF01 | Termination of patent right due to non-payment of annual fee |