CN208751610U - A kind of rotating pelletizer - Google Patents
A kind of rotating pelletizer Download PDFInfo
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- CN208751610U CN208751610U CN201821354197.9U CN201821354197U CN208751610U CN 208751610 U CN208751610 U CN 208751610U CN 201821354197 U CN201821354197 U CN 201821354197U CN 208751610 U CN208751610 U CN 208751610U
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- knife leaf
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- shaft
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Abstract
The utility model discloses a kind of rotating pelletizers, comprising: hopper, net circle of pelletizing, shaft, knife leaf, for driving the motor of the shaft, further includes: power measurement instruments is connected to the input terminal of the motor；Speed probe is connected on motor；Control device, the control device includes: the input interface connecting with power measurement instruments and speed probe, the computing unit of knife leaf torque monitoring value is connect and can calculated with input interface, the parameter that knife leaf torque threshold can be inputted presets unit, for comparing the comparing unit of knife leaf torque monitoring value and knife leaf torque threshold, the output unit of alarm signal is connect and is used to receive with comparing unit.Once material moisture is improper, when knife leaf extruding force is excessive, the output unit of control device is alarmed, and operator is notified to handle in time.The implementation of the program only needs simply to reequip existing rotating pelletizer and connection, easy to implement.
Description
Technical field
The utility model relates to particle granulation technique field, especially a kind of rotating pelletizer.
Background technique
Rotating pelletizer is the commonly used equipment that particle is pelletized in the industries such as pharmacy, agricultural, food, diet, chemical industry.City at present
The extruding granulation device of rotating pelletizer on field is usually made of shaft and knife leaf, and knife leaf is fixedly connected in shaft, shaft
Material is squeezed out from the mesh of granulation net circle by the point of a knife of knife leaf, forms material strip particle by band moving knife leaf high speed rotation
Fall into hopper collection.
However, being not easy to squeeze out when the moisture content of material is improper, it is big so on the one hand to will lead to production efficiency
Width reduces, and material is difficult to dig out after on the other hand shutting down, it is difficult to clear up.It can not accomplish automatically to material moisture in the prior art
It is monitored in real time, the observation of producing line operator can only be relied on, shutdown inspection after discovery production efficiency is too low is fed back too late
When.Moreover, material will cause Severe blockage, and clearance time is long when operator shuts down.
Summary of the invention
Technical problem to be solved in the utility model is using in relatively simple means real time monitoring rotating pelletizer
The moisture content of material, and react in time.
In order to solve the above-mentioned technical problem, the technical solution of the utility model is: a kind of rotating pelletizer, comprising: hopper,
The granulation net circle being fixed in hopper, the shaft with hopper rotation setting, is fixedly connected in shaft and is located at granulation net circle
Interior knife leaf, for driving the motor of the shaft, further includes:
Power measurement instruments is connected to the input terminal of the motor；
Speed probe is connected on motor；
Control device, the control device include:
The input interface being connect with power measurement instruments and speed probe,
The computing unit of knife leaf torque monitoring value is connect and can calculated with input interface,
The parameter that knife leaf torque threshold can be inputted presets unit,
Unit connection, knife leaf torque monitoring value and knife leaf torque threshold for compared with are preset with computing unit and parameter
Comparing unit, and the comparing unit can issue alarm signal when knife leaf torque monitoring value is greater than knife leaf torque threshold
Number,
The output unit of alarm signal is connect and is used to receive with comparing unit.
Further, the output unit is sound and/or light crossing-signal.
Further, the output unit is normally closed relay, and the output loop of the normally closed relay is connected to motor
On input circuit, output unit receives the output loop disconnection of control normally closed relay after alarm signal.
Due to the adoption of the above technical solution, the utility model has the advantage that in the prior art, moisture content of material
It is difficult to on-line real time monitoring, monitoring means is complicated, time-consuming.The utility model uses indirect scheme, by measuring motor
Input power and motor speed, then knife leaf torque monitoring value is calculated by efficiency factor indirectly, has accomplished to learn knife in real time
Leaf torque.The extruding force of knife leaf torque reaction mass, which determined by material moisture again, therefore, to knife leaf torque
Monitoring is the equal of the monitoring to material moisture.Once material moisture is improper, when knife leaf extruding force is excessive, control device it is defeated
Unit is alarmed out, and operator is notified to handle in time.The implementation of the program only needs to carry out letter to existing rotating pelletizer
Single repacking and connection, it is easy to implement.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the rotating pelletizer of the prior art；
Fig. 2 be the utility model proposes rotating pelletizer structural schematic diagram；
It is as shown in the figure: 1, shaft, 2, knife leaf, 3, granulation net circle, 4, hopper, 5, motor；
11, power measurement instruments, 12, speed probe, 13, control device, 131, input interface, 132, computing unit,
133, comparing unit, 134, the default unit of parameter, 135, output unit.
Specific embodiment
The above objects, features, and advantages of the utility model in order to facilitate understanding, are illustrated below with reference to embodiment.It answers
Understand, these embodiments are merely to illustrate the utility model rather than limitation the scope of the utility model.For these implementations
A variety of modifications of example will be apparent to those skilled in the art, the general principles defined herein,
It can be achieved in other embodiments without departing from the spirit or scope of the present utility model.
A kind of rotating pelletizer shown in Figure 2, comprising: hopper 4, the granulation net circle 3 being fixed in hopper 4, with material
The shaft 1 of 4 rotation setting of bucket, the knife leaf 2 for being fixedly connected in shaft 1 and being located in granulation net circle 3, for driving described turn
The motor 5 of axis 1.
In some cases, motor 5 is connect with shaft 1 indirectly by deceleration mechanism, and in some cases, motor 5 passes through
Shaft coupling is directly connect with shaft 1, and the present embodiment is for specific connection type and with no restrictions.No matter use indirectly either
Direct connection type can be understood as motor 5 for torque and revolving speed and be transferred to shaft 1.
For motor, there are following relationships between torque and power, revolving speed:
Motor torque (ox rice)=9550* power (kilowatt)/revolving speed (rev/min).
Although the torque of motor can not measure in real time online, input power and revolving speed can be with on-line checkings.Tool
Body embodiment are as follows: connect power measurement instruments 11 in the input terminal of motor 5, speed probe 12 is connected on motor 5.
Power measurement instruments 11 and speed probe 12 are respectively connected to control device 13.The control device 13 includes defeated
Incoming interface 131, the computing unit 132 being connect with input interface 131, the comparing unit 133 being connect with computing unit 132, with than
Unit 134 and output unit 135 are preset compared with the parameter that unit 133 connects.
The computing unit 132 receives the inspection of the power measurement instruments 11 and speed probe 12 of the transmission of input interface 131
It surveys signal and the theoretical values of the input torque of motor 5 is calculated according to aforementioned formula.Due to motor 5, shaft 1, speed reducer
There is loss in structure etc., therefore the theoretical values of the input torque of motor 5 need to be only knife leaf torque prison multiplied by an efficiency factor
Measured value.The efficiency factor can in advance by test test obtain, mainly influenced by the efficiency of motor 5 it is more, generally 0.7~
Between 0.9.In a word:
Knife leaf torque monitoring value (ox rice)=efficiency factor * 9550* power (kilowatt)/revolving speed (rev/min).
The parameter presets unit 134 and inputs knife leaf torque threshold values for user, which is set by the user, when on knife leaf 2
Torque be higher than the threshold values when, indicate material be difficult to squeeze out, extruding force is excessive, is not suitable for continuing to produce.The threshold values can be with
It is determined by experiment in advance.
The comparing unit 133 is compared the knife leaf torque monitoring value and knife leaf torque threshold that are calculated, once
When knife leaf torque monitoring value is greater than knife leaf torque threshold, alarm signal is issued to output unit 135.
In certain embodiments, the output unit 135 is sound and/or light crossing-signal, and output unit 135 receives alarm signal
After number, handled by acousto-optic hint operator shutdown in time.
In certain embodiments, the output unit 135 is normally closed relay, and the output loop of the normally closed relay connects
On the input circuit of motor 5, output unit 135 receive can control after alarm signal normally closed relay output loop it is disconnected
It opens, shutdown processing directly is done to motor 5.
Claims (3)
1. a kind of rotating pelletizer, comprising: hopper, the granulation net circle being fixed in hopper, the shaft with hopper rotation setting, Gu
Surely the knife leaf for being connected in shaft and being located in granulation net circle, for driving the motor of the shaft, which is characterized in that also wrap
It includes:
Power measurement instruments is connected to the input terminal of the motor；
Speed probe is connected on motor；
Control device, the control device include:
The input interface being connect with power measurement instruments and speed probe,
The computing unit of knife leaf torque monitoring value is connect and can calculated with input interface,
The parameter that knife leaf torque threshold can be inputted presets unit,
Comparison that unit connects, knife leaf torque monitoring value and knife leaf torque threshold for compared with is preset with computing unit and parameter
Unit, and the comparing unit can issue alarm signal when knife leaf torque monitoring value is greater than knife leaf torque threshold,
The output unit of alarm signal is connect and is used to receive with comparing unit.
2. a kind of rotating pelletizer as described in claim 1, it is characterised in that: the output unit is that sound and/or light are alarmed
Device.
3. a kind of rotating pelletizer as described in claim 1, it is characterised in that: the output unit is normally closed relay, should
The output loop of normally closed relay is connected on the input circuit of motor, output unit receive control after alarm signal it is normally closed after
The output loop of electric appliance disconnects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821354197.9U CN208751610U (en) | 2018-08-22 | 2018-08-22 | A kind of rotating pelletizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821354197.9U CN208751610U (en) | 2018-08-22 | 2018-08-22 | A kind of rotating pelletizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208751610U true CN208751610U (en) | 2019-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821354197.9U Active CN208751610U (en) | 2018-08-22 | 2018-08-22 | A kind of rotating pelletizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208751610U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110665433A (en) * | 2019-10-24 | 2020-01-10 | 河南农业大学 | Tobacco stem biomass pellet fuel forming granulator |
-
2018
- 2018-08-22 CN CN201821354197.9U patent/CN208751610U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110665433A (en) * | 2019-10-24 | 2020-01-10 | 河南农业大学 | Tobacco stem biomass pellet fuel forming granulator |
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