CN209317829U - A kind of pulveriser with fluted disk that adaptability is high - Google Patents
A kind of pulveriser with fluted disk that adaptability is high Download PDFInfo
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- CN209317829U CN209317829U CN201821992376.5U CN201821992376U CN209317829U CN 209317829 U CN209317829 U CN 209317829U CN 201821992376 U CN201821992376 U CN 201821992376U CN 209317829 U CN209317829 U CN 209317829U
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Abstract
The utility model relates to a kind of pulveriser with fluted disk that adaptability is high, including rack and pulverizing chamber, crushing chamber is provided in pulverizing chamber, movable fluted disc is rotatably equipped in crushing chamber, installation lid is installed on crushing chamber, the inside of installation lid is provided with fixed gear plate, installation covers the loading hopper for being provided with and communicating with crushing chamber, the driving motor for driving movable fluted disc rotation is provided in rack, voltage control circuit is electrically connected on driving motor, voltage control circuit includes that the first buck unit is coupled to power grid to export first voltage signal；Second buck unit is coupled to power grid to provide the operating voltage of driving motor；Voltage detection unit is coupled to the first buck unit to receive first voltage signal and voltage sense signal；Execution unit is coupled to voltage detection unit to receive voltage detection signal, and in response to voltage detection signal by changing the coil turn of the second buck unit to change the operating voltage of driving motor.
Description
Technical field
The utility model relates to the technical fields of disintegrating apparatus, more particularly, to a kind of pulveriser with fluted disk that adaptability is high.
Background technique
Currently, pulverizer is required by being crushed to large-sized solid material in the industries such as pharmacy, chemical industry, food
The machinery of size.
The pulverizer of conventional small is powered using the alternating current of 22OV, and the working principle of the pulverizer is material from charging
Bucket be added in pulverizing chamber, by movable teeth disc spins generate centrifugal force locular wall is thrown toward by centre, movable fluted disc with
Between fixed gear plate impact, shear, grinding and storeroom effect of impact and be crushed, final fines is through annular sieve plate by bottom
Discharging, coarse powder repeat to crush in machine.
Wherein, enterprise is to save plant area's cost, and usually plant area is arranged in the places such as rural area, suburb, samll cities and towns, but small city
Town is fairly obvious in night electricity peak period Voltage Drop, therefore driving activity fluted disc rotates driving motor in a low voltage state
When, it is inadequate to easily lead to driving motor detent torque power, so that driving motor is difficult to that movable fluted disc is driven to rotate, so that motor
Middle stator current increases, and power consumption increases, stator winding overheat, to easily lead to driving motor damage under long-time low-pressure state
It is bad.
Utility model content
The purpose of this utility model is to provide a kind of pulveriser with fluted disk that adaptability is high, and having can be too low in network voltage
When, the characteristic of driving motor normal working voltage can be maintained always.
The above-mentioned technical purpose of the utility model has the technical scheme that
A kind of pulveriser with fluted disk that adaptability is high is set in the pulverizing chamber including rack, the pulverizing chamber being arranged on the rack
It is equipped with crushing chamber, movable fluted disc is rotatably equipped in the crushing chamber, is equipped on the crushing chamber for closing crushing chamber
Installation lid, the inside of the installation lid are provided with for the fixed gear plate interlaced with movable fluted disc, and the installation, which covers, to be set
It is equipped with the loading hopper communicated with crushing chamber, the driving motor for driving movable fluted disc rotation is provided in the rack, it is described
Voltage control circuit is electrically connected on driving motor, the voltage control circuit includes the first buck unit, the second buck
Unit, voltage detection unit and execution unit；
The first buck unit is coupled to power grid to export first voltage signal；
The second buck unit is coupled to power grid to provide the operating voltage of driving motor；
The voltage detection unit is coupled to the first buck unit to receive first voltage signal and output voltage detection
Signal；
The execution unit is coupled to voltage detection unit to receive voltage detection signal, and in response to voltage detection signal
By changing the coil turn of the second buck unit to change the operating voltage of driving motor.
Through the above technical solutions, material is put into crushing chamber from loading hopper, driving motor starting, driving motor band
Dynamic activity fluted disc rotation, movable fluted disc and the interlaced setting of fixed gear plate, material can be in movable fluted disc and fixed tooth as a result,
Between disk by impact, shearing, grinding and crush, wherein at the peak of power consumption period in night, voltage detection unit detects electricity
The brownout of net is increased by the coil turn that execution unit controls the second buck unit, so that it is single to improve the second lifting
Member is supplied to the operating voltage of driving motor, and driving motor is worked under normal operating voltage, guarantees driving motor
The torque torsion and velocity of rotation that can have starting activity fluted disc to rotate.
Preferably, the first buck unit includes transformer primary side and Circuit Fault on Secondary Transformer, the transformer two
Secondary side is coupled to transformer primary side to receive the voltage of power grid, and exports first voltage signal.
It is used through the above technical solutions, the first buck unit is coupled on transformer primary side by Circuit Fault on Secondary Transformer
In providing voltage detection unit stable first voltage signal, with the work for facilitating voltage detection unit to detect, circuit inspection is improved
The accuracy of survey.
Preferably, the second buck unit includes transformer four sides in side and transformer three times being connected in series；
Side is coupled to transformer primary side to receive the voltage of power grid for providing driving motor to the transformer three times
Operating voltage；
Four sides of the transformer are coupled to transformer primary side to receive the voltage of power grid for providing input voltage；
The transformer is coupled to execution unit in four sides in side and transformer three times, and is controlled by execution unit with will be defeated
Enter voltage to seal in the operating voltage of driving motor.
Through the above technical solutions, controlling the line of four sides of transformer by execution unit in power grid when brownout
Circle seals in transformer three times in the coil of side, thus increase the mode of driving motor operating voltage, simple to operate, circuit
The high reliablity of control.
Preferably, the execution unit includes switch element and executive component, and the switch element is coupled to voltage detecting
For unit to receive voltage detection signal and output switching signal, the executive component is coupled to switch element to receive switch letter
Number, and change in response to switching signal the coil turn of the second buck unit.
Through the above technical solutions, the selection of switch element and executive component, keeps the structure of circuit simpler, cost
It is low, facilitate the maintenance and maintenance in later period.
Preferably, the voltage control circuit further includes alarm unit, and the alarm unit is coupled to execution unit to connect
The execution signal that execution unit is exported is received, and in response to executing signal to realize warning.
Through the above technical solutions, issuing warning when brownout of the alarm unit in power grid, operator's electricity is given
The instruction of brownout in net, facilitates operator to make corresponding adjustment to the work of pulveriser with fluted disk.
Preferably, it is circumferentially provided with sieve around movable fluted disc in the crushing chamber, the bottom of the pulverizing chamber offers
Discharge port is connected with discharge nozzle on the discharge port.
Through the above technical solutions, the setting of sieve, smashed material can be from the aperture of sieve downstairs, Jin Ercong
It is discharged in discharge port, and not crushing thorough block material will be blocked in sieve, and then continue powder in crushing chamber
Broken movement.
Preferably, the installation lid is hingedly mounted in pulverizing chamber, is provided in the pulverizing chamber for locking installation lid
Locked component.
Through the above technical solutions, installation lid is hinged in pulverizing chamber, locked component is for locking installation lid, thus convenient
Staff opens crushing chamber by installation lid, facilitates the maintenance of staff.
Preferably, it is provided with blower pump on the loading hopper, is connected with gas blow pipe in the blower pump, on the loading hopper
Inflatable mouth is offered, the gas blow pipe is connected on inflatable mouth.
Through the above technical solutions, the application passes through starting blower pump, blower pump in the material easily softened in face of preheating
It can be blown into air-flow into crushing chamber, and then improve the velocity of liquid assets of crushing chamber interior air-flow, ground in movable fluted disc and fixed gear plate
During grind materials, the air-flow being blown into is capable of providing the effect of cooling.
In conclusion the advantageous effects of the utility model are as follows:
The application detects the brownout of power grid in voltage detection unit, controls the second buck list by execution unit
The coil turn of member increases, so that improving the second lifting unit is supplied to the operating voltage of driving motor, enables driving motor
It works under normal operating voltage, guarantees the torque torsion and rotation speed that driving motor can have starting activity fluted disc to rotate
Degree.
Detailed description of the invention
Fig. 1 is the first structure diagram of embodiment；
Fig. 2 is the second structural schematic diagram of embodiment；
Fig. 3 is the circuit diagram of voltage control circuit in embodiment；
Fig. 4 is the circuit diagram of alarm unit in embodiment.
Appended drawing reference: 1, rack；2, pulverizing chamber；3, crushing chamber；4, movable fluted disc；5, installation lid；6, fixed gear plate；7, add
Hopper；8, discharge port；9, discharge nozzle；10, sieve；11, locked component；12, blower pump；13, gas blow pipe；14, voltage control electricity
Road；141, the first buck unit；142, the second buck unit；143, voltage detection unit；144, execution unit；145, alert
Show unit；1451, oscillating portion；1452, warning part.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
Referring to figs. 1 and 2, a kind of pulveriser with fluted disk that adaptability is high, including rack 1, the powder being arranged in rack 1
Broken room 2 is provided with crushing chamber 3 in pulverizing chamber 2, movable fluted disc 4 is rotatably equipped in crushing chamber 3, is equipped with and is used on crushing chamber 3
The installation lid 5 of crushing chamber 3 is closed, the inside of installation lid 5 is provided with for the fixed gear plate 6 interlaced with movable fluted disc 4, peace
It is provided with the loading hopper 7 communicated with crushing chamber 3 in capping 5, the driving for driving movable fluted disc 4 to rotate is provided in rack 1
Motor, the bottom of pulverizing chamber 2 offer discharge port 8, discharge nozzle 9 are connected on discharge port 8.Material is added to by loading hopper 7
In crushing chamber 3, driving motor drive activity fluted disc 4 is rotated, and the tooth lapping on movable fluted disc 4 and fixed gear plate 6 is interlaced, into
And material is sheared, grind into powder is fallen from discharge port 8.
Wherein, not completely crushed material is leaked down by discharge port 8 in order to prevent, circumferential around movable fluted disc 4 in crushing chamber 3
Be provided with sieve 10, between sieve 10 and the inner wall of crushing chamber 3 have certain gap, as a result, fines can by sieve 10,
Inner wall along sieve 10 and crushing chamber 3 slides into discharge port 8.In the application, installation lid 5 is hingedly mounted on pulverizing chamber
On 2, the locked component 11 for locking installation lid 5 is provided in pulverizing chamber 2.Bolt group can be used in locked component 11 in the application
Part is locked.
It is worth noting that being provided with blower pump 12 on loading hopper 7, gas blow pipe 13, loading hopper 7 are connected in blower pump 12
On offer inflatable mouth, gas blow pipe 13 is connected on inflatable mouth.In the material easily softened in face of preheating, the application passes through starting
Blower pump 12, blower pump 12 can be blown into air-flow into crushing chamber 3, and then improve the velocity of liquid assets of 3 interior air-flow of crushing chamber, in work
During 6 grinding material of active toothed disk 4 and fixed gear plate, the air-flow being blown into is capable of providing the effect of cooling.
As shown in figure 3, being electrically connected with voltage control circuit 14 on driving motor, voltage control circuit 14 includes the first lifting
Press unit 141, the second buck unit 142, voltage detection unit 143 and execution unit 144；First buck unit, 141 coupling
Power grid is connected to export first voltage signal；Second buck unit 142 is coupled to power grid to provide the work of driving motor electricity
Pressure；Voltage detection unit 143 is coupled to the first buck unit 141 to receive first voltage signal and output voltage detection letter
Number；Execution unit 144 is coupled to voltage detection unit 143 to receive voltage detection signal, and comes in response to voltage detection signal
Change the coil turn of the second buck unit 142 to change the operating voltage of driving motor.In the peak of power consumption period in night
When, by promoting the coil turn of the second buck unit 142, the operating voltage of Lai Tigao driving motor, so that driving motor
It can work under normal operating voltage, guarantee the torque torsion and rotation that driving motor can have starting activity fluted disc 4 to rotate
Speed.
First buck unit 141 includes transformer primary side L1 and Circuit Fault on Secondary Transformer L2, Circuit Fault on Secondary Transformer L2 coupling
Transformer primary side L1 is connected to receive the voltage of power grid, and exports first voltage signal.First buck unit 141 further includes
Rectification filtering unit, the full-bridge rectification that rectification filtering unit is made of VD1 ~ VD4 diode, while being connected on its output
Electrolytic capacitor C1, to realize the function of filtering；Circuit Fault on Secondary Transformer L2 is coupled in transformer and once surveys on L1, to be supplied to voltage
143 first voltage signal of detection unit, and stable first voltage signal is exported by full-bridge rectification, it is filtered by electrolytic capacitor C1
Except glitch noise therein so that first voltage distorted signals is smaller so that voltage detection unit 143 to first voltage signal into
It is more accurate when row detection.
Second buck unit 142 includes the transformer four side L4 of side L3 and transformer three times being connected in series；Transformer
Side L3 is coupled to transformer primary side L1 to receive the voltage of power grid for providing the operating voltage of driving motor three times；Transformer
Four side L4 are coupled to transformer primary side L1 to receive the voltage of power grid for providing input voltage；Transformer three times side L3 and
Four side L4 of transformer are coupled to execution unit 144, and when network voltage is normally constant, execution unit 144 passes through transformer
Side L3 provides operating voltage to driving motor three times；But when grid voltage sags, execution unit 144 will be controlled transformer four times
The coil of side L4 seals in transformer three times in the L3 of side, i.e., four side L4 of transformer input voltage provided is sealed in transformer
In the driving motor operating voltage that side L3 is provided three times, so that driving motor is under normal operating voltage state, Lai Zengjia
The torque torsion of driving motor.
Voltage detection unit 143 includes first resistor R1, second resistance R2, slide rheostat RP1, the one or three pole of NPN type
One end of pipe Q1, first resistor R1 are coupled on the output end of full-bridge rectification, and the other end is coupled to the one end slide rheostat RP1,
The other end of slide rheostat RP1 is coupled on the input terminal of full-bridge rectification to be formed into a loop, the base stage coupling of the first triode Q1
It is connected on the node between first resistor R1 and slide rheostat RP1, the collector of the first triode Q1 is coupled to second resistance
On the output end for connecting full-bridge rectification after R2, the first triode Q1 emitter is coupled on the input terminal of full-bridge rectification, executes list
Member 144 is coupled on the node between second resistance R2 and the first triode Q1 collector.In execution unit 144 and the one or three pole
Current-limiting resistance R3 is also in series between the collector of pipe Q1, the voltage detection signal for preventing voltage detection unit 143 from exporting
Electric current is excessive.
First resistor R1 and slide rheostat RP1 constitutes bleeder circuit, that is, adjusts the resistance of slide rheostat RP1, and two
The voltage assigned between person will accordingly generate variation, and the resistance value of slide rheostat RP1 becomes larger, and the voltage assigned to becomes larger, at this time
The resistance of first resistor R1 is just accordingly lower.The base bias of first triode Q1 is by first resistor R1 and slide rheostat RP1
Partial pressure obtain, when network voltage be 220V when, adjust slide rheostat RP1 make the first triode Q1 be in quiescent point
On, i.e. the first triode Q1 is just at saturation conduction state, at this point, the first triode Q1 current collection extremely low electricity of low level output
Flat voltage detection signal to execution unit 144, execution unit 144 does not work；When grid voltage sags are to 220V or less, from
And the voltage for being coupled in the Circuit Fault on Secondary Transformer output of transformer primary side accordingly reduces, the base potential of the first triode Q1 becomes
Low, so that the first triode Q1 loses quiescent point, i.e. the first triode Q1 exits saturation region and is in off state, to make
It obtains the current potential on the first triode Q1 collector and rises the voltage detection signal for exporting high level to execution unit 144, execute list
The coils that member 144 controls four side L4 of transformer seal in transformer three times in the L3 of side.
Execution unit 144 includes switch element and executive component, and switch element is coupled to voltage detection unit 143 to receive
Voltage detection signal and output switching signal, executive component are coupled to switch element to receive switching signal, and in response to switch
Signal is to change the coil turn of the second buck unit 142.Switch element is the second triode Q2 of NPN type, executive component
One end for relay KM1, relay KM1 coil is connected on the output end of full-bridge rectification, and the other end is connected to the two or three pole
On the collector of pipe Q2, the base stage of the second triode Q2 is connected on current-limiting resistance R3, the emitter connection of the second triode Q2
In full-bridge rectification.The transfer contact KM1-1 of relay KM1 is connected to transformer three times on four sides in side and transformer, when after
When the coil losing electricity of electric appliance KM1, transfer contact KM1-1 will be connect on the transformer three times current supply circuit of side L3, so that driving electricity
Function works normally；When relay KM1 obtains electric, transfer contact KM1-1 will be connect on the current supply circuit of four side L4 of transformer,
So that the coil of four sides of transformer is sealed in transformer three times in side, so that the operating voltage of driving motor is mentioned
It rises.
Inverse parallel has sustained diode 1 on the coil of relay KM1, and sustained diode 1 plays the role of afterflow, when after
When the coil blackout of electric appliance KM1, the electric current remained in coil can be discharged by sustained diode 1, prevent from making circuit
At impact.
As shown in figure 4, the voltage control circuit 14 further includes alarm unit 145, alarm unit 145 is coupled to execution unit
144 to receive the execution signal that execution unit 144 is exported, and in response to executing signal to realize warning.Alarm unit 145 wraps
Oscillating portion 1451 and warning part 1452 are included, oscillating portion 1451 is coupled to execution unit 144 to receive execution signal, and exports oscillation
Signal, warning part 1452 are coupled to oscillating portion 1451 to receive oscillator signal, and in response to vibration signal to realize interruption warning.
Warning part 1452 is realized by light-emitting component and is warned.Warning part 1452 further includes the third transistor Q3 of NPN type, wherein warning
The light-emitting component in portion 1452 is Light-emitting diode LED 1.The controlled terminal of oscillating portion 1451 is coupled to the normally opened contact of relay KM1
Power Vcc is connected after KM1-2, the output end of oscillating portion 1451 is coupled to the base stage of third transistor Q3, and controls the three or three pole
The on-off of pipe Q3, the collector of third transistor Q3 connect power Vcc, third transistor Q2 after being connected to Light-emitting diode LED 1
Emitter ground connection, when the coil of relay KM1 obtain it is electric, control relay KM1 normally opened contact KM1-2 closure so that oscillation
Portion 1451 works, and exports an oscillator signal, and oscillator signal is square wave, and control third transistor Q3 replaces on-off, so that
1 discontinuity of Light-emitting diode LED shines, to realize warning.
The course of work:
By lower switch SB1 driving motor is started to work；When the grid voltage is normal, the first triode Q1 would operate in
In quiescent point (saturation conduction state), so that the second triode Q2 ends, relay KM1 must not be electric, controls relay KM1
Transfer contact KM1-1 act on transformer and be under operating voltage with controlling driving motor on the L3 of side three times, relay KM1's
Normally opened contact KM1-2 is disconnected；When grid voltage sags, the first triode Q1 exits saturation conduction state and is in cut-off shape
State, the collector of the first triode Q1 are in high level, control the second triode Q2 conducting, so that the coil of relay KM1 obtains
The transfer contact KM1-1 of electricity, control relay KM1 is transferred on four sides of transformer, and the coil of four sides of transformer is sealed in
(input voltage that four sides of transformer provide is sealed in into the work of the transformer driving motor that side provides three times into side three times
In voltage) to improve the operating voltage of driving motor, so that driving motor is in normal operating conditions；And at this point, relay
The normally opened contact KM1-2 of KM1 is closed, and the input terminal of oscillating portion 1451 is introduced into high level signal, so that oscillating portion 1451
The oscillator signal of work alternately output high level controls third transistor Q3 and replaces on-off to third transistor Q3, so that
The interruption of Light-emitting diode LED 1, which shines, realizes warning.
The embodiment of present embodiment is the preferred embodiment of the utility model, and not limitation is originally practical new according to this
The protection scope of type, therefore: the equivalence changes that all structures, shape, principle according to the utility model are done should all be covered by practical
Within novel protection scope.
Claims (8)
1. a kind of pulveriser with fluted disk that adaptability is high, including rack (1), the pulverizing chamber (2) being arranged on rack (1), the powder
It is provided with crushing chamber (3), is rotatably equipped with movable fluted disc (4) in the crushing chamber (3), on the crushing chamber (3) in broken room (2)
Installation lid (5) for closing crushing chamber (3) is installed, be provided on the inside of the installation lid (5) for movable fluted disc (4)
Interlaced fixed gear plate (6), the installation cover on (5) and are provided with the loading hopper (7) communicated with crushing chamber (3), the machine
The driving motor for driving movable fluted disc (4) to rotate is provided on frame (1), which is characterized in that be electrically connected on the driving motor
It is connected to voltage control circuit (14), the voltage control circuit (14) includes the first buck unit (141), the second buck list
First (142), voltage detection unit (143) and execution unit (144)；
The first buck unit (141) is coupled to power grid to export first voltage signal；
The second buck unit (142) is coupled to power grid to provide the operating voltage of driving motor；
The voltage detection unit (143) is coupled to the first buck unit (141) to receive first voltage signal and export electricity
Pressure detection signal；
The execution unit (144) is coupled to voltage detection unit (143) to receive voltage detection signal, and examines in response to voltage
Signal is surveyed by changing the coil turn of the second buck unit (142) to change the operating voltage of driving motor.
2. a kind of high pulveriser with fluted disk of adaptability according to claim 1, which is characterized in that the first buck list
First (141) include transformer primary side and Circuit Fault on Secondary Transformer, and the Circuit Fault on Secondary Transformer is coupled to transformer primary side to connect
The voltage of power grid is received, and exports first voltage signal.
3. a kind of high pulveriser with fluted disk of adaptability according to claim 2, which is characterized in that the second buck list
First (142) include the transformer that is connected in series four sides in side and transformer three times；
Side is coupled to transformer primary side to receive the voltage of power grid for providing the work of driving motor to the transformer three times
Voltage；
Four sides of the transformer are coupled to transformer primary side to receive the voltage of power grid for providing input voltage；
The transformer is coupled to execution unit (144) in four sides in side and transformer three times, and is controlled by execution unit (144)
Input voltage to be sealed in the operating voltage of driving motor.
4. a kind of high pulveriser with fluted disk of adaptability according to claim 1, which is characterized in that the execution unit
It (144) include switch element and executive component, the switch element is coupled to voltage detection unit (143) to receive voltage detecting
Signal and output switching signal, the executive component are coupled to switch element to receive switching signal, and in response to switching signal
To change the coil turn of the second buck unit (142).
5. a kind of high pulveriser with fluted disk of adaptability according to claim 1, which is characterized in that the voltage control circuit
It (14) further include alarm unit (145), the alarm unit (145) is coupled to execution unit (144) to receive execution unit
(144) the execution signal exported, and in response to executing signal to realize warning.
6. a kind of high pulveriser with fluted disk of adaptability according to claim 1, which is characterized in that in the crushing chamber (3)
It is circumferentially provided with sieve (10) around movable fluted disc (4), the bottom of the pulverizing chamber (2) offers discharge port (8), the discharging
Discharge nozzle (9) are connected on mouth (8).
7. a kind of high pulveriser with fluted disk of adaptability according to claim 1, which is characterized in that installation lid (5) hinge
It connects and is mounted on pulverizing chamber (2), the locked component (11) for locking installation lid (5) is provided on the pulverizing chamber (2).
8. a kind of high pulveriser with fluted disk of adaptability according to claim 1, which is characterized in that on the loading hopper (7)
It is provided with blower pump (12), is connected with gas blow pipe (13) on the blower pump (12), offer air blowing on the loading hopper (7)
Mouthful, the gas blow pipe (13) is connected on inflatable mouth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821992376.5U CN209317829U (en) | 2018-11-28 | 2018-11-28 | A kind of pulveriser with fluted disk that adaptability is high |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821992376.5U CN209317829U (en) | 2018-11-28 | 2018-11-28 | A kind of pulveriser with fluted disk that adaptability is high |
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| Publication Number | Publication Date |
|---|---|
| CN209317829U true CN209317829U (en) | 2019-08-30 |
Family
ID=67712201
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|---|---|---|---|
| CN201821992376.5U Expired - Fee Related CN209317829U (en) | 2018-11-28 | 2018-11-28 | A kind of pulveriser with fluted disk that adaptability is high |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111957406A (en) * | 2020-08-10 | 2020-11-20 | 杨玉明 | Flowing water type traditional Chinese medicine crusher |
-
2018
- 2018-11-28 CN CN201821992376.5U patent/CN209317829U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111957406A (en) * | 2020-08-10 | 2020-11-20 | 杨玉明 | Flowing water type traditional Chinese medicine crusher |
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Granted publication date: 20190830 Termination date: 20211128 |