CN208098000U - A kind of mixing device of plastic grain - Google Patents
A kind of mixing device of plastic grain Download PDFInfo
- Publication number
- CN208098000U CN208098000U CN201820141481.1U CN201820141481U CN208098000U CN 208098000 U CN208098000 U CN 208098000U CN 201820141481 U CN201820141481 U CN 201820141481U CN 208098000 U CN208098000 U CN 208098000U
- Authority
- CN
- China
- Prior art keywords
- plastic grain
- discharging
- unit
- signal
- mixing device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The utility model discloses a kind of mixing devices of plastic grain,When solving the discharging of existing production system for plastic particles,Operator weighs the low problem of production efficiency,Its key points of the technical solution are that,Including rack,It is fixed on the mixing cylinder of frame top,It is set to the feed opening of mixing cylinder body bottom straight down,Feed opening is provided with discharging switch,The placing basket placed for sack is provided with immediately below feed opening,The discharging control circuit of control discharging switch opening and closing is provided in placing basket,The control circuit that discharges includes pressure sensing cell,Amplifying unit,Filter unit,Comparing unit and control unit,A kind of mixing device of plastic grain disclosed by the utility model,The plastic grain of blanking directly can be carried out weighing and feed opening switch is controlled by discharging control circuit,Operator is facilitated to fill packet,Effectively improve production efficiency.
Description
Technical field
The utility model relates to plastic grain process equipment, in particular to a kind of mixing device of plastic grain.
Background technique
Plastic grain is packaged process just directly after granulating working procedure during production to get plastic grain is arrived
Finished product, the direct plastic grain just packed after being granulated may have particle and are bonded together and cause plastics
Grain quality unevenness problem, in addition, granulation after plastic grain color, performance, in terms of there are still some differences
Different, some plastic grains also have more sharp corner angle, so that the quality of plastic particle finished products is uneven, affect the matter of product
Amount.
A kind of production system of novel plastic particle is disclosed in China's patent of invention that publication No. is CN105128169A,
Provided with circulation this compounding process of mixing device, wherein send dress including rack, mixing cylinder, the first air conveying device, the second wind
It sets, cylinder inclination discharge port, the vertical feed opening of cylinder and dust catching device, improves product quality, but the device is using
When, the plastic grain of feed opening blanking is connect by sack, the switch of feed opening controls by operator, and operator will install
Sack is taken and is weighed on scale, and more than some plastic grains that pour out of setting weight, few will be supplemented, production efficiency pole
Low, therefore, there is also certain rooms for improvement.
Utility model content
The purpose of the utility model is to provide a kind of mixing devices of plastic grain, can be direct to the plastic grain of blanking
Weigh and feed opening switch is controlled by discharging control circuit, facilitates operator to fill packet, effectively improve production efficiency.
The above-mentioned technical purpose of the utility model technical scheme is that：
A kind of mixing device of plastic grain including rack, the mixing cylinder that is fixed on frame top, is set to mixing machine
The feed opening of body bottom straight down, the feed opening are provided with discharging switch, are provided with immediately below the feed opening for sack
The placing basket of placement, the discharging control circuit of control discharging switch opening and closing is provided in the placing basket, and the discharging control is electric
Road includes being set to placing basket bottom for detecting the pressure detecting list of pressure suffered by placing basket and output pressure detection signal
Member is coupled to pressure sensing cell to receive pressure detecting signal and export that the amplifying unit of amplified signal, to be coupled to amplification single
Member is to receive amplified signal and export the filter unit of filtering signal, be coupled to filter unit and signal and export ratio to accept filter
Compared with the comparing unit of signal, the comparing unit has an a reference value, and placing basket is held when a reference value is filled corresponding to sack
The pressure received, the comparing unit exports corresponding comparison signal after being compared the value of filtering signal with a reference value, described
Comparing unit is also coupled to receive control unit of the comparison signal to control discharging switch opening and closing.
Using the above scheme, by setting placing basket and discharging control circuit, plastic grain falls from feed opening when blanking
It falls in placing basket and collects, the weight of plastic grain in discharging control circuit detection placing basket, when the set weight is reached, control
Unit control discharging closes the switch, and stops output plastic grain, and the plastic grain in placing basket is filled packet, behaviour by operator at this time
It is high to make simple and accuracy, production efficiency can be effectively improved.
Preferably, the filter unit includes filter resistance, the first filter capacitor and the second filter capacitor；Described
One filter capacitor is serially connected between amplifying unit and comparing unit, and the filter resistance and the second filter capacitor simultaneously connect the first filtering
The two sides of capacitor.
Using the above scheme, by setting filter resistance and two filter capacitors, the logical high frequency based on capacitor hinders low frequency
Function with to when shock detection module detects the low frequency signal that generates filter out, the high order being effectively maintained in phase voltage
Harmonic wave carries out higher hamonic wave to analyze corresponding spectrum information after facilitating completion to detect.
Preferably, the amplifying unit includes being coupled to pressure sensing cell once to be put to pressure detecting signal
Big differential amplification portion and differential amplification portion is coupled to so that pressure detecting signal to be carried out to the second level enlarging section of secondary amplification.
Using the above scheme, main purpose is amplification pressure detecting signal, so that more smart when analyzing below signal
Really, and the multiplying power of level-one amplification is limited, is amplified by two-stage to guarantee accuracy.
Preferably, the second level enlarging section include second operational amplifier and the third being sequentially connected in series setting resistance,
The output end of 4th setting resistance and the second setting capacitor, the third setting resistance and second operational amplifier connects, institute
The second setting capacity earth is stated, the connecting node between the third setting resistance and the 4th setting resistance is connected to the second operation
The inverting input terminal of amplifier, the forward end of the second operational amplifier are connected to the output end in differential amplification portion.
Using the above scheme, by the amplification of second level amplifying unit, so that signal is further amplified, it is further ensured that stabilization
Property.
Preferably, the comparing unit is also coupled to the voltage regulating part for adjusting a reference value.
Using the above scheme, a reference value of the adjustable comparing unit of voltage regulating part, to adjust corresponding standard weight
Magnitude increases the scope of application to adapt to different operating conditions.
Preferably, the discharging switch includes the cylinder being fixedly installed in rack and fixes with the piston rod of cylinder
The discharging pumping board of connection, the side wall of the mixing cylinder are provided with the inserting with closure or openness discharge port for the inserting of discharging pumping board
Slot.
Using the above scheme, by setting cylinder and discharging pumping board, the opening and closing of control discharging switch is simple and efficient, simultaneously
Slot is set on the side wall of mixing cylinder, so that the connection of discharging pumping board and mixing cylinder is more stable, is able to bear plastics
The weight of particle extends the service life of discharging pumping board.
Preferably, the cylinder is in horizontally disposed.
Using the above scheme, it is not easy to be expressed to plastic grain when cylinder Level Promoting discharging pumping board, to guarantee plastics
The yield of grain output, and be horizontally disposed with and be easily installed cylinder.
Preferably, being provided with the display for showing weight information in the placing basket.
Using the above scheme, display shows the information detected, facilitates the record and logarithm of staff
According to being analyzed.
In conclusion the utility model has the advantages that：
By setting placing basket and discharging control circuit, when blanking, plastic grain is fallen in placing basket from feed opening receives
Collection, discharging control circuit detect the weight of plastic grain in placing basket, and when the set weight is reached, control unit control discharging is opened
It closes and closes, stop output plastic grain, the plastic grain in placing basket is filled packet, easy to operate and accuracy by operator at this time
Height can effectively improve production efficiency.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of mixing device in the present embodiment；
Fig. 2 is the enlarged diagram in Fig. 1 at A；
Fig. 3 is the circuit diagram of discharging control circuit in the present embodiment.
In figure：1, rack；2, mixing cylinder；21, slot；3, feed opening；4, discharging switch；41, cylinder；42, discharging is taken out
Plate；5, placing basket；6, display；7, discharge control circuit；71, pressure sensing cell；72, amplifying unit；721, differential amplification
Portion；722, second level enlarging section；73, filter unit；74, comparing unit；741, voltage regulating part；75, control unit.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
A kind of mixing device of plastic grain disclosed in the present embodiment, as shown in Figure 1, including rack 1, being fixedly installed in machine
The mixing cylinder 2 at 1 top of frame is set to the feed opening 3 of 2 bottom of mixing cylinder straight down, and feed opening 3 is provided with discharging switch
4, the placing basket 5 placed for sack is provided with immediately below feed opening 3, wherein the setting in a circular table shape of the lower side tube-wall of mixing cylinder 2 with
Guide surface is formed, the upper bottom surface of rotary table is fixedly connected with feed opening 3, is also connected in placing basket 5 for showing weight information
Display 6.
Discharging switch 4 includes being fixedly installed in the cylinder 41 in rack 1 and the piston with cylinder 41 combined with Figure 1 and Figure 2,
The discharging pumping board 42 that bar is fixedly connected, wherein cylinder 41 is in horizontally disposed；In order to make the connection of discharging pumping board 42 and mixing cylinder 2
It is more stable, be able to bear the weight of plastic grain, the side wall of mixing cylinder 2 be provided with for the inserting of discharging pumping board 42 to open or
It is closed the slot 21 of discharge port.
In conjunction with Fig. 1 and Fig. 3, the discharging control circuit 7 that control discharging switch 4 opens and closes, discharging control are provided in placing basket 5
Circuit 7 includes being set to 5 bottom of placing basket for detecting the pressure inspection of pressure suffered by placing basket 5 and output pressure detection signal
It surveys unit 71, be coupled to pressure sensing cell 71 to receive pressure detecting signal and export amplifying unit 72, the coupling of amplified signal
Be connected to amplifying unit 72 with receive amplified signal and export the filter unit 73 of filtering signal, be coupled to filter unit 73 with receive
Filtering signal and the comparing unit 74 for exporting comparison signal, comparing unit 74 have an a reference value, and a reference value is filled corresponding to sack
The pressure that placing basket 5 is born when full, output is corresponding after the value of filtering signal is compared by comparing unit 74 with a reference value compares
Compared with signal, comparing unit 74 is also coupled to receive comparison signal to control the control unit 75 that discharging switch 4 opens and closes.
As shown in figure 3, pressure sensing cell 71 uses single-point type sensor LFP-11, using integrated circuit processing technique,
It produces four equivalent film resistors on silicon wafer, forms electric bridge, when not by pressure, electric bridge Non voltage output；It is pressed
When power, electric bridge disequilibrium is exported and the proportional voltage of pressure.
Amplifying unit 72 includes the difference for being coupled to pressure sensing cell 71 once to be amplified to pressure detecting signal
Enlarging section 721 and differential amplification portion 721 is coupled to so that pressure detecting signal to be carried out to the second level enlarging section 722 of secondary amplification.
Differential amplification portion 721 includes the first operational amplifier UT2A, and an output end of single-point type sensor LFP-11 couples
Be coupled to the reverse input end in differential amplification portion 721 after resistance R1, and another output end be coupled to resistance R2 after be coupled to difference
The positive input of point enlarging section 721, wherein resistance R1 is identical with the resistance value of resistance R2, two resistance respectively with single-point type sensor
LFP-11 constitutes bleeder circuit, and when receiving pressure effect, the input voltage difference of 721 forward direction of differential amplification portion and reverse phase is with shape
At differential amplification signal, wherein the first operational amplifier UT2A is preferably the operational amplifier of LM324 model.
Second level enlarging section 722 includes second operational amplifier UT2B and the third being sequentially connected in series setting resistance R3, the 4th
The setting capacitor C5 of resistance R4 and second is set, third setting resistance R3 is connect with the output end of second operational amplifier UT2B,
Second setting capacitor C5 ground connection, the connecting node that third setting resistance R3 and the 4th is set between resistance R4 are connected to the second operation
The inverting input terminal of amplifier UT2B, the forward end of second operational amplifier are connected to the output end in differential amplification portion 721,
In, second operational amplifier is preferably the operational amplifier of LM324 model.
Filter unit 73 includes filter resistance R5, the first filter capacitor C5 and the second filter capacitor C5；First filtered electrical
Hold C5 to be serially connected between amplifying unit 72 and comparing unit 74, filter resistance R5 and the second filter capacitor C5 simultaneously connect the first filtered electrical
The two sides of appearance.
Comparing unit 74 is also coupled to the voltage regulating part 741 for adjusting a reference value, and voltage regulating part 741 includes variable
The end a of resistance RP1 and resistance R6, variable resistance RP1 are coupled to power supply, and the end b is coupled to one end of resistance R6, and resistance R6's is another
The tie point of end ground connection, variable resistance RP1 and resistance R6 are coupled to the inverting input terminal of comparator U1.
Control unit 75 includes relay KM, the triode Q1 of NPN type and sustained diode 1, the coil one of relay KM
End is coupled to power supply, and the other end is coupled to the collector of triode Q1, and the base stage of triode Q1 is coupled to the output of comparator U1
End, emitter ground connection；The coil inverse parallel of sustained diode 1 and relay KM.
One end of the normally opened contact KM-1 of relay KM is coupled to power supply, and the other end is coupled to one end of cylinder 41, cylinder
41 other end ground connection.
In use, opening discharge port, plastic grain is fallen to out of mixing cylinder 2 in placing basket 5, pressure sensing cell 71
Detect the weight of plastic grain in placing basket 5, comparing unit 74 is by the pressure detecting signal received and voltage regulating part 741
Preset value be compared, when pressure detecting signal is greater than the preset value of voltage regulating part 741, i.e. plastics in placing basket 5
Particle weight reaches preset standard weights value, and the control discharging switch 4 of control unit 75 is closed, and plastic grain stops discharging, this
When operator the plastic grain in placing basket 5 can be subjected to dress packet；Pressure detecting signal is not up to voltage adjusting after dress packet
The preset value in portion 741, the discharging switch 4 of the control of control unit 75 at this time are opened, plastic grain discharging, easy to operate and accuracy
Height can effectively improve production efficiency.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as all by the protection of Patent Law in the scope of the claims of the utility model.
Claims (8)
1. a kind of mixing device of plastic grain, including rack（1）, be fixed on rack（1）The mixing cylinder at top（2）, setting
In mixing cylinder（2）The feed opening of bottom straight down（3）, it is characterized in that：The feed opening（3）It is provided with discharging switch（4）,
The feed opening（3）Underface is provided with the placing basket placed for sack（5）, the placing basket（5）Inside it is provided with control discharging
Switch（4）The discharging control circuit of opening and closing（7）, the discharging control circuit（7）Including being set to placing basket（5）Bottom is for examining
Survey placing basket（5）The pressure sensing cell of suffered pressure and output pressure detection signal（71）, be coupled to pressure sensing cell
（71）To receive pressure detecting signal and export the amplifying unit of amplified signal（72）, be coupled to amplifying unit（72）It is put with receiving
Big signal and the filter unit for exporting filtering signal（73）, be coupled to filter unit（73）With accept filter signal and export compare
The comparing unit of signal（74）, the comparing unit（74）With an a reference value, a reference value is put when filling corresponding to sack
Set basket（5）The pressure of receiving, the comparing unit（74）It is exported after the value of filtering signal is compared with a reference value corresponding
Comparison signal, the comparing unit（74）It has been also coupled to receive comparison signal to control discharging switch（4）The control unit of opening and closing
（75）.
2. a kind of mixing device of plastic grain according to claim 1, it is characterized in that：The filter unit（73）Including
Filter resistance, the first filter capacitor and the second filter capacitor；First filter capacitor is serially connected with amplifying unit（72）With than
Compared with unit（74）Between, the filter resistance and the second filter capacitor and the two sides for connecing the first filter capacitor.
3. a kind of mixing device of plastic grain according to claim 1, it is characterized in that：The amplifying unit（72）Including
It is coupled to pressure sensing cell（71）With the differential amplification portion once amplified to pressure detecting signal（721）And it is coupled to
Differential amplification portion（721）Pressure detecting signal to be carried out to the second level enlarging section of secondary amplification（722）.
4. a kind of mixing device of plastic grain according to claim 3, it is characterized in that：The second level enlarging section（722）
Including second operational amplifier and the third being sequentially connected in series setting resistance, the 4th setting resistance and the second setting capacitor, institute
The output end for stating third setting resistance and second operational amplifier connects, the second setting capacity earth, the third setting
Connecting node between resistance and the 4th setting resistance is connected to the inverting input terminal of second operational amplifier, second operation
The forward end of amplifier is connected to differential amplification portion（721）Output end.
5. a kind of mixing device of plastic grain according to claim 1, it is characterized in that：The comparing unit（74）Also coupling
It is connected to the voltage regulating part for adjusting a reference value（741）.
6. a kind of mixing device of plastic grain according to claim 1, it is characterized in that：The discharging switch（4）Including
It is fixedly installed in rack（1）On cylinder（41）And and cylinder（41）The discharging pumping board that is fixedly connected of piston rod（42）, institute
State mixing cylinder（2）Side wall be provided with for discharge pumping board（42）Inserting is with the slot of closure or openness discharge port（21）.
7. a kind of mixing device of plastic grain according to claim 6, it is characterized in that：The cylinder（41）It is set in level
It sets.
8. a kind of mixing device of plastic grain according to claim 1, it is characterized in that：The placing basket（5）Upper setting
There is the display for showing weight information（6）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820141481.1U CN208098000U (en) | 2018-01-27 | 2018-01-27 | A kind of mixing device of plastic grain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820141481.1U CN208098000U (en) | 2018-01-27 | 2018-01-27 | A kind of mixing device of plastic grain |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208098000U true CN208098000U (en) | 2018-11-16 |
Family
ID=64128776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820141481.1U Active CN208098000U (en) | 2018-01-27 | 2018-01-27 | A kind of mixing device of plastic grain |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208098000U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115123634A (en) * | 2022-07-26 | 2022-09-30 | 安徽鹏大光电科技有限公司 | System capable of weighing and packaging meat particle products |
-
2018
- 2018-01-27 CN CN201820141481.1U patent/CN208098000U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115123634A (en) * | 2022-07-26 | 2022-09-30 | 安徽鹏大光电科技有限公司 | System capable of weighing and packaging meat particle products |
| CN115123634B (en) * | 2022-07-26 | 2024-05-17 | 上海斗品膳食品管理有限公司 | System capable of weighing and packaging meat particle products |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208098000U (en) | A kind of mixing device of plastic grain | |
| CN207191108U (en) | It is a kind of can check weighing logistics trolley | |
| CN109178966A (en) | A kind of corn puts in storage Weighing equipment | |
| CN109328620B (en) | Real-time yield measurement system and method of grain combine harvester | |
| CN208860771U (en) | A kind of moisture Volume-weight Determination instrument | |
| CN208134785U (en) | A kind of food packaging detection device | |
| CN209427065U (en) | A kind of autometering packaging machine | |
| CN110174163A (en) | A kind of Bulk Grain metering weighing system | |
| CN105460640A (en) | Corn discharging device | |
| CN206057273U (en) | A kind of Combine Harvester Grain water content on-line testing device | |
| CN208146377U (en) | A kind of wheet grading device | |
| CN202638760U (en) | Tea winnower capable of automatically adjusting air volume | |
| CN208307173U (en) | A kind of cotton textiles material sample bag support | |
| CN212829503U (en) | Product package number detection device | |
| CN208119553U (en) | A kind of dynamic weight detecting claims with applying double air-blowing flush trimmers | |
| CN213068541U (en) | Cereal breakage rate, trash content detection device | |
| CN209055143U (en) | A kind of asphalt container temperature, liquid level, Weight measurement device | |
| CN215753122U (en) | Baling press is used in controllable formula rice processing of unloading volume | |
| CN208458862U (en) | A kind of highway overrun and overload detection device | |
| CN208601761U (en) | A kind of high efficiency drying equipment of high molecular crosslink electric cable material with low smoke and halogen free | |
| CN206494190U (en) | It is a kind of to aid in material collecting device from weighing ton bag | |
| CN219447366U (en) | Automatic degassing packaging machine for vertical screw feeding | |
| CN213021861U (en) | Online monitoring and metering scale device for bottom of steel slag micro powder vertical mill production line | |
| CN206537532U (en) | A kind of fully-automatic packaging scale | |
| CN211505313U (en) | Cereal yield measuring device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A mixing device for plastic particles Effective date of registration: 20210406 Granted publication date: 20181116 Pledgee: Xiamen finance Company limited by guarantee Pledgor: XIAMEN SUSHIDAI NEW MATERIALS Co.,Ltd. Registration number: Y2021980002428 |