CN110293638A - Liquid material automatic metering mechanism - Google Patents
Liquid material automatic metering mechanism Download PDFInfo
- Publication number
- CN110293638A CN110293638A CN201910577657.7A CN201910577657A CN110293638A CN 110293638 A CN110293638 A CN 110293638A CN 201910577657 A CN201910577657 A CN 201910577657A CN 110293638 A CN110293638 A CN 110293638A
- Authority
- CN
- China
- Prior art keywords
- measuring chute
- feed pipe
- inner guide
- liquid dispensing
- storage bin
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/02—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type
- B29B7/22—Component parts, details or accessories; Auxiliary operations
- B29B7/24—Component parts, details or accessories; Auxiliary operations for feeding
- B29B7/242—Component parts, details or accessories; Auxiliary operations for feeding in measured doses
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/02—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type
- B29B7/22—Component parts, details or accessories; Auxiliary operations
- B29B7/28—Component parts, details or accessories; Auxiliary operations for measuring, controlling or regulating, e.g. viscosity control
Abstract
The present invention relates to plastic grain processing technique fields, and in particular to liquid material automatic metering mechanism, including support frame are fixedly connected with storage bin and electric cabinet on support frame, and the lower section of storage bin is connected with measuring chute by feed pipe, and the bottom of measuring chute is equipped with drainage conduit；The inner bottom of measuring chute is fixedly connected with pressure sensor, feed pipe is equipped with the charging solenoid valve of control charging, drainage conduit is equipped with the discharge solenoid valve of control discharge, charging solenoid valve, discharge solenoid valve and pressure sensor are electrically connected with electric cabinet, and the flow controller of control feed tube speed is equipped in feed pipe.The present invention accurately detects the weight of liquid dispensing in measuring chute by pressure sensor, after the weight of liquid dispensing reaches predetermined value, measuring chute is automatically stopped charging, and the liquid dispensing measured is thrown in blender and is mixed with raw material, the liquid dispensing that solves the problems, such as manually to weigh is not accurate and large labor intensity.
Description
Technical field
The present invention relates to plastic grain processing technique fields, in particular to liquid material automatic metering mechanism.
Background technique
In plastic grain processing, generally require by preparation before liquid dispensing-liquid dispensing weighing-kneading-extrusion
The manufacturing procedures such as granulation-cooling-screening-pack.In plastic grain preparatory phase, need to carry out weighing operation to liquid dispensing,
In the prior art, liquid dispensing operation is usually to be accomplished manually, and common operating procedure is: manually weighing liquid is matched first
Liquid dispensing, is then poured into blender manually, is sufficiently mixed liquid dispensing and plastic raw materials by material, then again will be uniform
Mixed raw material and liquid dispensing mediate moulding etc..Since the weighing stage is by being accomplished manually, it will usually artificial weighing occur
It is inaccurate, or the case where spill outside liquid dispensing when liquid dispensing manually being poured into blender, lead to the liquid for actually entering blender
Body ingredient is insufficient, and obtained product quality is finally made not to be inconsistent specification；Simultaneously as needing manually to carry liquid dispensing, people back and forth
Work large labor intensity, inefficiency.
Summary of the invention
To solve the above-mentioned problems, the present invention provides liquid material automatic metering mechanisms, solve artificial ingredient inefficiency, liquid
The inaccurate problem of body ingredient.
In order to achieve the above objectives, the technical solution adopted by the present invention is that: liquid material automatic metering mechanism, including support frame, support
Storage bin and electric cabinet are fixedly connected on frame, the lower section of storage bin is connected with measuring chute, the bottom of measuring chute by feed pipe
Equipped with drainage conduit；The inner bottom of measuring chute is fixedly connected with pressure sensor, and feed pipe is equipped with the charging electricity of control charging
Magnet valve, drainage conduit are equipped with the discharge solenoid valve of control discharge, charging solenoid valve, discharge solenoid valve and pressure sensor with electricity
Case electrical connection is controlled, the flow controller of control feed tube speed is equipped in feed pipe.
The principle of the present invention is: storage bin is for storing liquid dispensing, and measuring chute is for temporarily storing liquid dispensing, charging
For liquid dispensing in storage bin to be drained into measuring chute, discharge port is used to arrange the liquid dispensing measured in measuring chute pipe
It puts to blender, so that liquid dispensing be made to mix with raw material；Pressure sensor is used to detect the pressure of measuring chute inner bottom, i.e.,
The pressure values of knowable measuring chute inner bottom, since the pressure of liquid dispensing any direction is big in same level in measuring chute
It is small equal, according to pressure and liquid dispensing density and depth relationship P=ρ h, in the situation known to pressure P and liquid dispensing density p
Under, the depth value of liquid dispensing can be calculated, and the shape of measuring chute is fixed, according to liquid dispensing depth value and measuring chute
Cross-sectional area can calculate the volume of liquid dispensing, can finally be counted according to the volume of liquid dispensing and the density of liquid dispensing
Calculate the quality of liquid dispensing, thus can liquid dispensing according to demand calculate the pressure value of corresponding pressure sensor；Just
Beginning state feeds solenoid valve opening, discharging solenoid valve is closed, and liquid dispensing flows into measuring chute by storage bin, and liquid is matched in measuring chute
The amount of material is continuously increased, after the actual measured value of pressure sensor reaches setting value, (such as using electric cabinet in the prior art
PLC control module) signal of pressure sensor is received, and the closing of charging solenoid valve, discharging solenoid valve opening are controlled, measuring chute is complete
At primary metering；Due to sensing scheduled pressure value by pressure sensor, to charging solenoid valve process is closed by controller, there are one
Surely the time difference is controlled, causes the actual weight of liquid dispensing in measuring chute to be greater than measured value, therefore, to count measuring chute every time
The weight of quantity of fluid ingredient is more accurate, and flow controller is arranged in feed pipe, when liquid dispensing will reach in measuring chute
When to predetermined weight, reduce feed pipe flow velocity, so that the amount for flowing into liquid dispensing in measuring chute within the control time difference is big
Amount is reduced, and keeps the metering of measuring chute more accurate.
Using the above scheme the advantages of, is:
1. mitigating artificial labor intensity, promoting measurement efficiency and accuracy: it is artificial right to need in compared with the prior art
Liquid dispensing weighs and liquid dispensing is poured into blender, need to manually complete many more manipulations, and carries liquid dispensing and expend
Physical strength, artificial Lao Du intensity are big.In the application using pressure sensor combination solenoid valve complete liquid dispensing weighing and oneself
Dynamic to feed intake, it is more accurate, controllable to make to weigh every time, promotes the accuracy of ingredient；Meanwhile it entire batching weighing and feeding intake automatic
It completes, does not need manual operation, mitigate labor intensity and effectively save cost.
2. accurate control: in the present solution, flow controller is provided in discharge outlet, so that liquid dispensing in measuring chute
When weight is up to predetermined value, the flow-reduction of liquid dispensing in feed pipe, so that into liquid dispensing in measuring chute
Weight is closer to scheduled liquid dispensing weight, keeps the metering of liquid dispensing more accurate, and it is molding to promote plastic grain
Quality.
It spills outside liquid dispensing 3. can effectively prevent: compared to manually being weighed and being fed intake to liquid dispensing, manually may
Make to spill outside liquid dispensing in weighing or handling process, not only cause the waste of liquid dispensing, while making into blender
Liquid dispensing weight is insufficient, seriously affects the Forming Quality of plastic grain, in the application, the weighing of liquid dispensing and feeds intake and is
In closed environment, it will not generate and spill phenomenon outside, advantageously reduce waste and guarantee the Forming Quality of plastic grain.
Further, flow controller includes the driving mechanism of inner guide and driving inner guide movement, inner guide and feed pipe
It is coaxially disposed and is slidably connected in storage bin, the lower end of inner guide is extend into feed pipe, and the lower end of inner guide is fixedly connected
There is the throttle block of cone, the circular conical surface that can cooperate with throttle block wedge surface is equipped in feed pipe.
Inner guide and feed pipe are coaxially disposed and the lower end of inner guide can be extend into feed pipe, when liquid in measuring chute
When ingredient will reach predetermined weight, driving mechanism makes inner guide slide to feed pipe, so that the section of inner catheter lower end cone
The circular conical surface being equipped in stream block and feed pipe is close to each other, since throttle block and circular conical surface wedge surface cooperate, throttle block and circular conical surface
When close to each other, the circulation area of the negotiable liquid dispensing of feed pipe reduces, to play liquid dispensing stream in control feed pipe
The effect of amount.
Further, driving mechanism includes outer guide rod, connecting rod and floating ball, and floating ball is located in measuring chute, the lower end of outer guide rod with
Floating ball is fixedly connected, the upper end of outer guide rod pass through it is hinged with one end of connecting rod after the upper wall of measuring chute, the other end of connecting rod with it is interior
Guide rod connection, the shaft of connecting rod are articulated with the top of storage bin.
Floating ball is located in measuring chute, when constantly there is liquid dispensing inflow in measuring chute, the liquid of liquid dispensing in measuring chute
Face constantly rises and contacts with floating ball, and as liquid level continues to rise, so that floating ball moves upwards under buoyancy, floating ball is pushed
Outer guide rod pushes up, and link mechanism is formed between outer guide rod, connecting rod and inner guide, as outer guide rod moves up, so that interior lead
Bar moves down, so that inner guide be pushed in feed pipe, makes adjusting of the throttle block realization to feed pipe flow on inner guide.This
By fluid change in floating ball induction meter amount storehouse in scheme, increased with liquid level, throttle block is also constantly close to the circle in feed pipe
The conical surface, liquid level is higher, and throttle block is closer apart from circular conical surface, and the flow velocity of feed pipe is lower so that in measuring chute liquid dispensing reality
Border weight is more accurate.
Further, the bottom plate of measuring chute is obliquely installed, and the low side of bottom plate is close to discharge port.
Horizontally disposed compared to measuring chute inner bottom plating, liquid dispensing speed when flowing out discharge port is limited in measuring chute, this
In scheme, more preferably, the bottom plate and top plate of measuring chute are obliquely installed, and the low side of bottom plate, close to discharge port, bottom plate inclination is set
Postponing has guide functions to liquid dispensing, facilitates liquid dispensing that measuring chute is quickly discharged.
Further, the top plate of measuring chute is obliquely installed, and the tilt angle of top plate and bottom plate is equal, between bottom plate and top plate
Push plate is slidably connected, measuring chute is externally provided with the pushing unit for pushing push plate sliding.
Volume compared to measuring chute is fixed, and measuring chute can only measure the liquid dispensing of fixed mass, this programme
In, more preferably, the top plate of measuring chute is also obliquely installed, and the tilt angle of top plate and bottom plate is equal, while in bottom plate and top plate
Between slidably connect push plate, measuring chute is externally provided with the pushing unit for pushing push plate sliding, passes through pushing unit and pushes push plate
It is mobile, so that the volume of measuring chute is changed, to can make when making that liquid level reaches same position and stops charging in measuring chute
Liquid dispensing varies in weight in measuring chute, convenient for suitably being selected according to weight of the practical condition to liquid dispensing
It selects, meets different production needs.
Further, pressure sensor is located at close to discharge port position.
Compared to random fixation pressure sensor, since bottom plate is obliquely installed, if pressure sensor is fixed on far from out
At material mouth, necessarily causes the liquid dispensing being located on the downside of pressure sensor to violate and detect, cause the weight of actual liquid ingredient
Increase.In the present solution, being located at pressure sensor close to discharge port position, keep the testing result of pressure sensor more accurate.
Further, helical blade is fixedly connected on inner guide, helical blade is located in feed pipe；It is fixed on inner guide to connect
Be connected to stirring blade, stirring blade is located in storage bin, and inner guide upper end is equipped with the sliding block that connect with rod slide, inner guide with
Sliding block rotation connection.
It is polished rod compared to inner guide, the flow velocity of feed pipe is adjusted in the throttle block being fixedly connected on inner guide, this
In scheme, more preferably, it is fixedly connected with helical blade with the lower lateral rods of inner guide, and helical blade is located in feed pipe, and
Stirring blade is fixedly connected with inner guide upper bar, inner guide upper end is rotatably connected on sliding block, when liquid dispensing by into
It, will when liquid dispensing flows downward in conjunction with the pressure value of liquid material in storage bin and the restriction effect of feed pipe when expects pipe flows down
Helical blade is washed away, so that helical blade is driven inner guide rotation, inner guide drives stirring blade rotation, to make stirring blade pair
Remaining liquid dispensing is stirred in storage bin, is prevented remaining liquid dispensing precipitated and separated in storage bin and is caused to flow into meter
The density for measuring liquid dispensing in storehouse is different, and the weight of weighing and practical perfect condition liquid dispensing in measuring chute is made deviation occur.
Simultaneously as liquid dispensing, when flowing to measuring chute by storage bin, liquid dispensing is in feed pipe to helical blade
Acting, so that helical blade drives inner guide rotation, and liquid dispensing acts on lower flowing velocity in helical blade certainly and reduces, from
And make liquid dispensing kinetic energy when flowing into measuring chute smaller, so that reduced velocity flow when liquid material flows into measuring chute, for measuring chute
The active force of interior existing liquid dispensing reduces, to reduce the interference that pressure sensor is subject to, makes the measurement of pressure sensor
It is worth more accurate.
Further, it is fixedly connected with fixed plate in storage bin, through-hole, inner guide and through-hole shaft hole matching are provided in fixed plate,
Several discharge holes are also provided in fixed plate.
Drive inner guide close to or far from feed pipe compared to sliding block is only relied on, inner guide is easy to appear out stuck show
As, therefore in the present solution, inner guide is limited and is oriented to using the through-hole in fixed plate, keep the movement of inner guide more suitable
Freely.
Further, the outer wall of storage bin is fixedly connected with guide pad, and outer guide rod and guide pad are slidably connected.
To enable outer guide rod more swimmingly to slide, in the present solution, the outer wall in storage bin is fixedly connected with guide pad,
Outer guide rod and guide pad are slidably connected, and the external guide rod of guide pad provides limit and guiding, and outer guide rod is enable more swimmingly to slide
It is dynamic.
Further, inner guide, outer guide rod, helical blade and stirring blade use PVC material.
To mitigate weight and guaranteeing corrosion resistance, inner guide, outer guide rod, helical blade and stirring blade use PVC material
Matter, to enhance the using effect of dosing machine and prolong the service life.
Detailed description of the invention
Fig. 1 is liquid material automatic metering mechanism in the embodiment of the present invention one along the longitudinal sectional view of feed pipe central axes.
Fig. 2 is partial enlarged view at A in Fig. 1.
Fig. 3 is partial enlarged view at B in Fig. 1.
Fig. 4 is liquid material automatic metering mechanism in the embodiment of the present invention two along the longitudinal sectional view of feed pipe central axes.
Specific embodiment
It is further described below by specific embodiment:
Appended drawing reference in Figure of description include: support frame 1, storage bin 2, measuring chute 3, liquid dispensing 4, feed pipe 5,
Discharge port 6, bottom plate 7, top plate 8, pressure sensor 9, charging solenoid valve 10, discharging solenoid valve 11, electric cabinet 12, inner guide 13,
Outer guide rod 14, connecting rod 15, sliding block 16, floating ball 17, throttle block 18, circular conical surface 19, helical blade 20, stirring blade 21, guide pad
22, fixed plate 23, discharge hole 24, push plate 25, electric pushrod 26, temporary storing bin 27.
Embodiment one
Embodiment one substantially as shown in Figure 1, Figure 2 and Figure 3, liquid material automatic metering mechanism, including support frame 1, on support frame 1 by
Screw is passed sequentially through under and is fixedly connected with storage bin 2 and measuring chute 3, and liquid dispensing 4, storage bin 2 are stored in storage bin 2
It is connected between measuring chute 3 by feed pipe 5, the bottom of measuring chute 3 is connected with the discharge port 6 for discharge.
As shown in Figure 1, the bottom plate 7 and top plate 8 of measuring chute 3 are in the heeling condition of left low and right high, discharge port 6 is located at bottom plate
7 left side lower ends have been fixed by screws pressure sensor 9, pressure sensor 9 on 7 inner wall of bottom plate of discharge port 6
For measuring pressure size at discharge port 6.It is equipped on feed pipe 5 combined with Figure 1 and Figure 2, and feeds solenoid valve 10, on discharge port 6
Discharging solenoid valve 11 is installed, and has been fixed by screws electric cabinet 12 on the left side outer wall of measuring chute 3, feeds solenoid valve
10, it discharges and is electrically connected between solenoid valve 11, pressure sensor 9 and electric cabinet 12.In the present embodiment, discharge solenoid valve 11 and into
Expect that the WZW type water, oil, gas universaling electromagnetic valve of the limited manufacturing company's production of valve, particular type are opened up in the preferred Chongqing ten thousand of solenoid valve 10
Number preferably WZW40 type solenoid valve.
Flow controller is equipped in feed pipe 5 combined with Figure 1 and Figure 2, flow controller includes leading in inner guide 13 and driving
The driving mechanism that bar 13 moves, inner guide 13 is vertical and is coaxially disposed with feed pipe 5；In conjunction with Fig. 1, Fig. 2 and Fig. 3, the present embodiment
Middle driving mechanism includes outer guide rod 14, connecting rod 15, sliding block 16 and floating ball 17, and floating ball 17 is located in measuring chute 3 and inside floating ball 17
To be hollow, outer guide rod 14 is vertically arranged, and the lower end of outer guide rod 14 and floating ball 17 weld, after the top of outer guide rod 14 passes through top plate 8
The top of measuring chute 3 is extended to, the top of outer guide rod 14 and the left end of connecting rod 15 are hinged, the axis of the right side of connecting rod 15 along connecting rod 15
To sliding slot is provided with, sliding block 16 can slide along the chute, and the top of inner guide 13 is rotatably connected on sliding block 16 by universal rotational ball
Bottom rotate inner guide 13 can along own central axis line.
As shown in Fig. 2, the throttle block 18 of cone is fixed by screws on the downside outer wall of inner guide 13, it is corresponding
Ground is provided with the circular conical surface 19 that can cooperate with 18 wedge surface of throttle block on 5 inner wall of feed pipe of the lower section of throttle block 18, when throttle block 18 is leaned on
When nearly circular conical surface 19 simultaneously partially enters circular conical surface 19, so that the circulation area of feed pipe 5 reduces, so that throttle block 18 be made to play tune
The effect of whole 5 charging rate of feed pipe.
As shown in Fig. 2, the downside of inner guide 13 is welded with helical blade 20, helical blade 20 is located in feed pipe 5, and spiral shell
Clearance fit between the outer wall of vane piece 20 and the inner wall of feed pipe 5, when liquid dispensing 4 flows downwardly into as shown in figure 1 in storage bin 2
Measuring chute 3 when, liquid dispensing 4 washes away helical blade 20 and makes helical blade 20 that inner guide 13 be driven to rotate, and helical blade
20, which flow down for liquid material, has buffer function, so that reduced velocity flow when liquid material flows into measuring chute 3, rushes measuring chute to reduce
The effect of hitting avoids liquid material impact from influencing the accuracy in detection of pressure sensor 9；Meanwhile stirring blade is welded on inner guide 13
21, drive stirring blade 21 to rotate when inner guide 13 rotates, to make stirring blade 21 to remaining liq ingredient 4 in storage bin 2
It is stirred, prevents remaining liq ingredient 4 from precipitating and being layered, it is avoided to enter density unevenness in measuring chute 3 and make in measuring chute 3
There is deviation in measurement；To mitigate quality and guaranteeing corrosion resistance, the present embodiment China and foreign countries guide rod 14, inner guide 13, helical blade 20
PVC material is preferentially used with stirring blade 21.
As shown in Figure 1, passing through screw on the outer wall of storage bin 2 for the smooth sliding for making inner guide 13 and outer guide rod 14
It is fixedly connected with guide pad 22, pilot hole, outer guide rod 14 and pilot hole shaft hole matching are provided on guide pad 22, guide pad 22 is outer
Guide rod 14 provides guiding role；The inner wall of storage bin 2 has been fixed by screws fixed plate 23, is provided in fixed plate 23 logical
Hole, inner guide 13 and through-hole shaft hole matching, through-hole provide limit and guiding for inner guide 13, meanwhile, in conjunction with Fig. 3, fixed plate 23
On be provided with discharge hole 24, facilitate liquid dispensing 4 pass through discharge hole 24 and enter feed pipe 5.
As shown in Figure 1, push plate 25 is slidably connected along the direction of inclining of bottom plate 7 in measuring chute 3, it is solid by bolt on support frame 1
Surely it is connected with the driving unit for pushing push plate 25 to slide, in the present embodiment, the preferred electric pushrod 26 of driving unit is electronic to push away
The output shaft of bar 26 is arranged in a mutually vertical manner towards left and output shaft with push plate 25.After push plate 25 is set, adjustable push plate 25
In different location in measuring chute 3, the volume of measuring chute 3 is made to change, so that the metering numberical range of measuring chute 3 is more
Greatly, to meet different production requirements.
Specific implementation process is as follows:
1. the preparation stage:
The weight for the liquid dispensing 4 that measuring chute 3 needs to measure every time on the estimation first, then according to the cross of measuring chute 3
When sectional area, the density value of liquid dispensing 4 and floating ball 17 push throttle block 18 to be thoroughly bonded with circular conical surface 19 in measuring chute 3
The height value of liquid level calculates the scheduled pressure value of pressure sensor, while adjusting electric cabinet 12, so that the detection meter of pressure sensor 9
When measuring the detection pressure value of liquid dispensing 4 in storehouse 3 equal to scheduled pressure value, the control charging solenoid valve 10 of electric cabinet 12 is closed, together
When make discharge solenoid valve 11 open.
2. carrying out gage work:
When in use, make to feed the opening of solenoid valve 10, the discharging closing of solenoid valve 11, the liquid dispensing 4 in storage bin 2 first
Measuring chute 3 from top to bottom is flowed into through feed pipe 5, when liquid dispensing 4 flows through feed pipe 5, the drive of liquid dispensing 4 helical blade 20,
Inner guide 13 and stirring blade 21 rotate, and stirring blade 21 stirs remaining liq ingredient 4 in storage bin 2, prevent liquid dispensing 4 heavy
It forms sediment and is layered.
As liquid dispensing 4 constantly enters in measuring chute 3, constantly increase liquid level in measuring chute 3, so that floating ball
17 constantly rise, and floating ball 17 pushes outer guide rod 14 to move up, and outer guide rod 14 moves down inner guide 13 through the effect of connecting rod 15, to make
The throttle block 18 being fixedly connected on inner guide 13 is constantly close to tapered surface, to make the dropping velocity of liquid dispensing 4 in feed pipe 5
Constantly reduce, when pressure sensor 9 detects that actual measurement pressure value is equal to scheduled pressure value, the control charging electricity of electric cabinet 12
Magnet valve 10 is closed and the opening of solenoid valve 11 that discharges, so that the liquid dispensing 4 for completing metering in measuring chute 3 be made to drain, is realized primary
Gage work, after all liq ingredient 4 is discharged in measuring chute 3, the pressure detection value of pressure sensor 9 is zero, electric cabinet
12 control discharging solenoid valves 11 close and feed the opening of solenoid valve 10, and measuring chute 3 carries out gage work next time.
3. adjustment calculates the weight every time:
When needing to adjust the weight that measuring chute 3 measures every time, push plate 25 can be pushed to measure by electric pushrod 26
Sliding, makes the volume of measuring chute 3 change in storehouse 3, to make under the premise of not adjusting the control program of electric cabinet 12, that is,
Without recalculating the scheduled pressure value of pressure sensor 9 and the program of adjustment electric cabinet 12, can be realized under identical liquid level
It is easy to operate, quick to the weighing that difference calculates the weight.
Embodiment two
As shown in figure 4, embodiment two and the difference of embodiment one are: the lower section of discharge port 6 is connected with temporary storing bin 27, often
After secondary measuring chute 3 completes a gage work, all liq ingredient 4 is discharged to temporary storing bin 27 and is temporarily stored, when needs exist
When blender liquid delivery ingredient 4, when needing 4 row of liquid dispensing in measuring chute 3 to blender, there is no need to etc. it is to be batched
Liquid dispensing 4 gradually flows in blender down in storehouse 3, but directly opening temporary storing bin 27 makes the liquid dispensing inside temporary storing bin 27
4 disposably arrange to blender, to reduce liquid dispensing 4 from 3 row of measuring chute to the time of blender, promote the efficiency that feeds intake.
Meanwhile to guarantee steady and continuous feed in storage bin 2 and having stable pressure value, the top of storage bin 2 is equipped with
Liquid supply pipe 28 is equipped with booster pump 29 on liquid supply pipe 28, enables helical blade 20 that inner guide 13 effectively to be driven to rotate, to drive
Stirring blade 21 rotates and realizes agitating function, guarantees the accuracy of the detection metering of measuring chute 3.
What has been described above is only an embodiment of the present invention, and the common sense such as well known specific structure or characteristic are not made herein in scheme
Excessive description.It, without departing from the structure of the invention, can be with it should be pointed out that for those skilled in the art
Several modifications and improvements are made, these also should be considered as protection scope of the present invention, these all will not influence what the present invention was implemented
Effect and patent practicability.The scope of protection required by this application should be based on the content of the claims, in specification
The records such as specific embodiment can be used for explaining the content of claim.
Claims (10)
1. liquid material automatic metering mechanism, including support frame, it is fixedly connected with storage bin and electric cabinet on support frame as described above, feature exists
In: the lower section of the storage bin is connected with measuring chute by feed pipe, and the bottom of the measuring chute is equipped with drainage conduit；The metering
The inner bottom in storehouse is fixedly connected with pressure sensor, and the feed pipe is equipped with the charging solenoid valve of control charging, the row
Expects pipe be equipped with control discharge discharge solenoid valve, the charging solenoid valve, discharge solenoid valve and pressure sensor with it is automatically controlled
Case electrical connection, the interior flow controller for being equipped with control feed tube speed of the feed pipe.
2. liquid material automatic metering mechanism according to claim 1, it is characterised in that: the flow controller include inner guide and
The driving mechanism of inner guide movement is driven, the inner guide and feed pipe are coaxially disposed and are slidably connected in storage bin, described
The lower end of inner guide is extend into feed pipe, and the lower end of inner guide is fixedly connected with the throttle block of cone, in the feed pipe
Equipped with the circular conical surface that can cooperate with throttle block wedge surface.
3. liquid material automatic metering mechanism according to claim 2, it is characterised in that: the driving mechanism includes outer guide rod, company
Bar and floating ball, the floating ball are located in measuring chute, and the lower end of the outer guide rod is fixedly connected with floating ball, and the upper end of outer guide rod passes through
Hinged with one end of connecting rod after the upper wall of measuring chute, the other end of the connecting rod is connect with inner guide, the shaft hinge of the connecting rod
It is connected to the top of storage bin.
4. liquid material automatic metering mechanism according to claim 3, it is characterised in that: the bottom plate of the measuring chute is obliquely installed,
And the low side of the bottom plate is close to discharge port.
5. liquid material automatic metering mechanism according to claim 4, it is characterised in that: the top plate of the measuring chute is obliquely installed,
And the tilt angle of top plate and bottom plate is equal, and push plate is slidably connected between the bottom plate and top plate, the measuring chute is externally provided with
Push the pushing unit of push plate sliding.
6. liquid material automatic metering mechanism according to claim 5, it is characterised in that: the pressure sensor is located at close to discharging
Mouth position.
7. liquid material automatic metering mechanism according to claim 3, it is characterised in that: be fixedly connected with spiral on the inner guide
Blade, the helical blade are located in feed pipe；Stirring blade is fixedly connected on the inner guide, the stirring blade is located at
In storage bin, the inner guide upper end is equipped with the sliding block connecting with rod slide, the inner guide and sliding block rotation connection.
8. liquid material automatic metering mechanism according to claim 7, it is characterised in that: be fixedly connected with fixation in the storage bin
Plate is provided with through-hole, the inner guide and through-hole shaft hole matching in the fixed plate, is also provided with several dischargings in the fixed plate
Hole.
9. liquid material automatic metering mechanism according to claim 8, it is characterised in that: the outer wall of the storage bin is fixedly connected with
Guide pad, the outer guide rod and guide pad are slidably connected.
10. liquid material automatic metering mechanism according to claim 9, it is characterised in that: the inner guide, outer guide rod, helical-blade
Piece and stirring blade use PVC material.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910577657.7A CN110293638A (en) | 2019-06-28 | 2019-06-28 | Liquid material automatic metering mechanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910577657.7A CN110293638A (en) | 2019-06-28 | 2019-06-28 | Liquid material automatic metering mechanism |
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| CN110293638A true CN110293638A (en) | 2019-10-01 |
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| CN201910577657.7A Pending CN110293638A (en) | 2019-06-28 | 2019-06-28 | Liquid material automatic metering mechanism |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112109207A (en) * | 2020-09-17 | 2020-12-22 | 成都精准混凝土有限公司 | Concrete liquid external additive metering system |
| CN113042248A (en) * | 2021-05-10 | 2021-06-29 | 佛山市信洛智能设备科技有限公司 | Glue supply system and spraying production equipment |
| CN113561348A (en) * | 2021-07-21 | 2021-10-29 | 盐城市材炅汽车配件有限公司 | Preparation and premixing device for automobile injection molding machining raw materials |
| WO2022077837A1 (en) * | 2021-02-27 | 2022-04-21 | 苏州讯如电子科技有限公司 | Automatic discharging device for sewage treatment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112109207A (en) * | 2020-09-17 | 2020-12-22 | 成都精准混凝土有限公司 | Concrete liquid external additive metering system |
| WO2022077837A1 (en) * | 2021-02-27 | 2022-04-21 | 苏州讯如电子科技有限公司 | Automatic discharging device for sewage treatment |
| CN113042248A (en) * | 2021-05-10 | 2021-06-29 | 佛山市信洛智能设备科技有限公司 | Glue supply system and spraying production equipment |
| CN113561348A (en) * | 2021-07-21 | 2021-10-29 | 盐城市材炅汽车配件有限公司 | Preparation and premixing device for automobile injection molding machining raw materials |
| CN113561348B (en) * | 2021-07-21 | 2023-04-07 | 盐城市材炅汽车配件有限公司 | Preparation and premixing device for automobile injection molding machining raw materials |
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Application publication date: 20191001 |