CN208869002U - A kind of metering is accurately separated formula scale hooper - Google Patents
A kind of metering is accurately separated formula scale hooper Download PDFInfo
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- CN208869002U CN208869002U CN201821548232.0U CN201821548232U CN208869002U CN 208869002 U CN208869002 U CN 208869002U CN 201821548232 U CN201821548232 U CN 201821548232U CN 208869002 U CN208869002 U CN 208869002U
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- top cover
- weighing body
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- feed pipe
- gravity sensor
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Abstract
The utility model discloses a kind of meterings to be accurately separated formula scale hooper, belong to material weighing field, its key points of the technical solution are that, including top cover, Weighing body, gravity sensor and level-one butterfly valve, level-one butterfly valve is electrically connected with PLC controller, top cover is located at Weighing body upper end, level-one butterfly valve is located at Weighing body lower end, feed pipe is equipped with above top cover, feed pipe is connected with feed tank, feed tank is located at the top of the one end of feed pipe far from top cover, it is flexible coupling between feed pipe and top cover equipped with canvas, corresponding position is equipped on top cover is flexible coupling the feed inlet of connection for canvas, it is separately positioned between top cover and Weighing body, top cover is fixedly connected with ring support, ring support is fixedly connected with stand, stand is fixedly connected on floor, the both ends of gravity sensor are fixed with the upper end edge of ring support and Weighing body respectively to be connected It connects, gravity sensor is equipped with several, and gravity sensor electrical connection is electrically connected with PLC controller.The utility model is suitable for material accurate weighing.
Description
Technical field
The utility model relates to scale hooper, in particular to a kind of metering is accurately separated formula scale hooper.
Background technique
It is needed in the production process of mortar by a variety of raw material hybrid process, the proportion of different component is different, and mixing produces
The meeting of raw corresponding mortar product has different physical and chemical performances, for the stabilization for guaranteeing product quality, needs strict control
The quality size of material each ingredient when mixing, to reach desired properties of product.The weighing of material is generally carried out using scale hooper,
Butterfly valves are equipped with below scale hooper, when weighing to material, butterfly valves close and material is assembled in scale hooper.
Scale hooper is equipped with weight induction device, and when weight of material reaches specified value, the control charging of weight induction device stops, and beats
Butterfly valve is opened, so that material enters in mixing arrangement.
In actual use, the top cover of scale hooper and Weighing body are mostly integral type setting, weight induction device pair
Material in entire scale hooper measures, and when depositing at charging, the material being blocked at charging that deposits can also be weighed
Sensing device measurement is measured, to influence the measurement accuracy and measurement sensitivity of weight induction device.
Utility model content
The purpose of the utility model is to provide a kind of separate type scale hoopers, have the advantages that metering material is more accurate.
The above-mentioned technical purpose of the utility model has the technical scheme that
A kind of metering is accurately separated formula scale hooper, including top cover, Weighing body, gravity sensor and level-one butterfly valve, institute
It states level-one butterfly valve and is electrically connected with PLC controller, the top cover is located at Weighing body upper end, and the level-one butterfly valve is located at Weighing body
Lower end, the top cover top are equipped with feed pipe, and the feed pipe is connected with feed tank, and the feed tank is located at feed pipe
The top of one end far from top cover, is flexible coupling between the feed pipe and top cover equipped with canvas, corresponding position on the top cover
Equipped with being flexible coupling the feed inlet of connection for canvas, separately positioned between the top cover and Weighing body, the top cover is fixedly connected with
Ring support, the ring support are fixedly connected with stand, and the stand is fixedly connected on floor, the gravity sensor
Both ends are fixedly connected with the upper end edge of ring support and Weighing body respectively, and the gravity sensor is equipped with several, described heavy
Force snesor electrical connection is electrically connected with PLC controller.
By using above-mentioned technical proposal, when scale hooper carries out the weighing work of material, PLC controller controls level-one butterfly
Valve is closed, and material is entered in Weighing body by feed pipe, due to separately positioned between top cover and Weighing body, gravity sensitive
Device can measure the weight of material in Weighing body and Weighing body, and material is not easy into the vibration generated when crossing top cover to gravity sensor
Weighing result have an impact.Meanwhile the partial material being blocked in feed pipe in traditional scale hooper can also be counted into weighing
As a result in, cause the sensitivity of gravity sensor weighing result and accuracy insufficient.It is separately positioned between top cover and Weighing body
This defect can be overcome, only falling to the intracorporal material of weighing can just be weighed, and effectively raise gravity sensor
Measurement accuracy, the setting that canvas is flexible coupling can reduce a possibility that material leaks between feed pipe and feed inlet.Gravity
Sensor is provided with several, and the measurement result of each gravity sensor can summarize and calculate in PLC controller, finally
Obtain the measured value of weight, the setting of multiple gravity sensors can effectively improve measurement sensitivity.
Further, the feed pipe tilts upward setting close to one end of top cover, is equipped with spiral shell in the feed pipe
Conveying axis is revolved, the feed pipe is equipped with driving motor far from one end of top cover.
By using above-mentioned technical proposal, feed pipe tilts upward setting, and the material in feed pipe is produced due to inclination
Raw gravity can only be passively lifted in feed pipe by screw conveyor shaft, and the conveying speed of screw conveyor shaft can be with
Rotational speed regulation through driving motor, so that the conveying of material is more slowly stablized.Impulse force is excessive when can reduce material because of transmission
And be splashed to outside, can also reduce material impulse force it is excessive and make the measurement registration of Weighing body sharply increase to influence measurement essence
The case where exactness, generates.When material reaches predetermined weight in Weighing body, needs to close driving motor and stop conveying, feed pipe
The setting that road tilts upward can also reduce material and be entered in Weighing body because of motional inertia, so that material weight in Weighing body
The difference between predetermined weight of amount reduces.
Further, the feed pipe is equipped with second level butterfly valve, the second level butterfly valve and PLC close to one end of top cover
Controller electrical connection, the driving motor are electrically connected with PLC controller.
By using above-mentioned technical proposal, when needing to carry out conveying, PLC controller first controls second level butterfly valve opening,
Driving motor is controlled again and is actuated for conveying, it is possible to reduce what material deposited in feed pipe since second level butterfly valve is closed
Situation generates, to protect driving motor.Meanwhile in order to protect driving motor, when needing to stop conveying, PLC controller is same
When control second level butterfly valve and driving motor close, extra material can be effectively reduced and entered in Weighing body.
Further, the top cap central position is equipped with dedusting hole, is equipped with deduster, the dedusting above the dedusting hole
The top of device is equipped with air outlet and induced draft fans, and the bottom end of the deduster is that air inlet falls grey integrated mouth, the dedusting hole with into
Wind falls between grey integrated mouth and is connected to by flange.
By using above-mentioned technical proposal, there can be gap due to separately positioned between top cover and Weighing body, when conveying
When material is dust-like material, fugitive dust is easily generated during conveying, working environment on the one hand can be polluted and cause security risk,
On the other hand the waste of material is also resulted in, especially some higher materials of unit price, the dust in the air of loss can be brought
Biggish economic loss.The setting of deduster can effectively be collected the dust generated during conveying, induced draft fans
So that deduster forms negative pressure state in Weighing body inside at work, dust is not easy from top cover and weighing in subnormal ambient for setting
Loss in gap between body.
Further, the feed inlet is fixedly connected with level-one rubber hose, the dedusting hole towards side in Weighing body
Side is fixedly connected with second level rubber hose in towards Weighing body, and the end of the level-one rubber hose and second level rubber hose is equal
Lower than the top of Weighing body.
By using above-mentioned technical proposal, level-one rubber tube can play drainage to material, can also reduce material into
Impact caused by weighing body when entering Weighing body, reduce the vibration of Weighing body so that the measurement result of gravity sensor more
Accurately.The end of level-one rubber hose and second level rubber hose is below the top of Weighing body, can be further reduced easy fugitive dust
Granular material spilt into air by the gap between top cover and Weighing body.
Further, the quantity of the gravity sensor is 2 to 5, and the gravity sensor is along top cover week along uniform point
Cloth.
By using above-mentioned technical proposal, the weight distribution of each gravity sensor is more uniform, and gravity sensor can be fast
Speed in time feeds back the Gravity changer generated in all directions, can be further improved measurement accuracy, while can also increase
Connective stability between strong top cover and Weighing body.
Further, the Weighing body lateral wall is equipped with pneumatic vibrator, the pneumatic vibrator and PLC controller electricity
Connection.
By using above-mentioned technical proposal, material may stick in Weighing body inner wall surface in blanking, so that real
The weight of material that border drops into follow-up equipment is insufficient and influences production effect, and PLC controller control level-one butterfly valve opening is fallen
When material, while pneumatic vibrator opening is controlled, vibration is generated so that weighing body sidewall by the impact of compressed air, reaches abundant
The effect of blanking.
Further, top cover week is along being connected to being flexible coupling between Weighing body upper edge by canvas.
By using above-mentioned technical proposal, canvas, which is flexible coupling, can be blocked the gap between top cover and Weighing body,
It is further reduced dust to spill into air, more saves material while raising production environment is safe, while can be further
It reduces material and enters the vibration generated when scale hooper.
In conclusion the utility model has the following beneficial effects:
1. by top cover, Weighing body, stand and gravity sensor setting, can play so that top cover and Weighing body separation
The effect of setting；
2. it is flexible coupling by canvas, the setting of level-one rubber hose, second level rubber hose, dedusting hole and deduster, it can
Play the effect for reducing charging fugitive dust and recycling granular material；
3. passing through the setting of PLC controller, level-one butterfly valve and second level butterfly valve, automatic control charging can be played and protecting
Protect the effect of driving motor.
Detailed description of the invention
Fig. 1 is the overall structure diagram of separate type scale hooper in the present embodiment, for embodying top cover, Weighing body, charging
Connection relationship between pipeline, PLC controller；
Fig. 2 is the integrally-built diagrammatic cross-section of separate type scale hooper in the present embodiment, for embodying Weighing body and charging
The internal structure of pipeline；
Fig. 3 is the enlarged diagram in the portion A in Fig. 1, falls ash for embodying feed inlet, dedusting hole, second level butterfly valve and air inlet
Connection relationship between integrated mouth；
Fig. 4 is the enlarged diagram in the portion B in Fig. 2, for embodying between screw conveyor shaft, second level butterfly valve and plastic film
Connection relationship.
In figure, 1, top cover；11, feed inlet；111, level-one rubber hose；12, dedusting hole；121, second level rubber hose；2,
Weighing body；21, gravity sensor；22, level-one butterfly valve；23, pneumatic vibrator；3, feed pipe；31, canvas is flexible coupling；32,
Screw conveyor shaft；33, driving motor；34, second level butterfly valve；4, PLC controller；5, ring support；51, stand；6, deduster；
61, air outlet；62, air inlet falls grey integrated mouth；63, induced draft fans.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
Wherein identical components are presented with like reference characters.It should be noted that word used in the following description
Language "front", "rear", "left", "right", "up" and "down" refer to the direction in attached drawing, word " bottom surface " and " top surface ", "inner" and
"outside" refers respectively to the direction towards or away from geometric center of specific component.
Embodiment: a kind of metering is accurately separated formula scale hooper, as shown in Figure 1, the scale hooper is extraordinary for a kind of multilayer
In mortar production line.The multilayer special type mortar production line includes small powder dispensing layer, automatic proportioning layer, material mixing from top to bottom
Layer, finished product clad and packed and transported layer, automatic proportioning floor are equipped with raw material weighing area and batching area, are equipped with and are used for by production line
The raw material storage warehouse being fed to raw material weighing area, small powder launch the addition that floor is used to supply production mortar to batching area
Agent, the material in raw material weighing area and batching area dropped into after the completion of weighing in the material mixed layer of lower section carry out it is uniform
Mixing, mixed material temporarily store in finished product clad, and the packed and transported layer for finally entering bottom completes packed and transported work
Make.The separate type scale hooper can be used in raw material weighing area and batching area, which includes top cover 1 and weigh
The floor of body 2, automatic proportioning layer is equipped with stand 51, and the stand 51 is fixedly connected with ring support 5, the ring support 5
It is fixedly connected with top cover 1, it is separately positioned between top cover 1 and Weighing body 2, gravity sensitive is equipped between ring support 5 and Weighing body 2
Device 21, gravity sensor 21 are provided with several and are fixedly connected on the edge of ring support 5 and Weighing body 2.
As shown in Figure 1, gravity sensor 21 is equipped with 2 to 5 and is uniformly distributed along 1 week edge of top cover, each gravity sensor 21
Weight distribution therefore can be more uniform.To quickly be fed back to the Gravity changer generation generated in all directions,
Measurement accuracy and measurement sensitivity are further increased, while the connective stability between top cover 1 and Weighing body 2 also can be enhanced,
In the present embodiment, the quantity of gravity sensor 21 is 4.Gravity sensor 21 is electrically connected with PLC sensor, each gravity
The measurement result of sensor 21, which can be transmitted to, to be carried out summarizing calculating in PLC controller 4, obtains the measured value of whole gravity, can be with
Effectively improve measurement accuracy and measurement sensitivity.In this implementation, PLC controller 4 selects S-700 series of PLC controller.
As shown in Figure 1,2 lower end of Weighing body is equipped with level-one butterfly valve 22, level-one butterfly valve 22 is electric-controlled type and controls with PLC
Device 4 is electrically connected.Feed pipe 3 is arranged above top cover 1, and feed pipe 3 is connected with feed tank far from one end top of top cover 1,
Feed pipe 3 is fixedly connected with driving motor 33 far from one end of top cover 1, and the output end of driving motor 33 is fixedly connected with setting
Screw conveyor shaft 32(in feed pipe 3 is referring to Fig. 3).Material in feed pipe 3 due to feed pipe 3 tilts and by
Self gravitation effect flows downward, thus can only by screw conveyor shaft 32 passively be lifted, this setting so that material conveying
More slowly stablize, it is also possible that material is not easy to be splashed to outside due to impulse force when transmission is excessive, it is excessive to reduce material impulse force
And the case where measurement registration of Weighing body 2 sharply being increased to influence measuring accuracy generation.Feed pipe 3 is close to top cover
1 one end is equipped with second level butterfly valve 34(referring to fig. 2), second level butterfly valve 34 and driving motor 33 are electrically connected with PLC controller 4
It connects.
As shown in Fig. 2, being equipped with canvas between the feed pipe 3 and top cover 1 is flexible coupling 31, corresponding position is set on top cover 1
Have and is flexible coupling 31 feed inlets 11 being connected to canvas.Feed inlet 11 is arranged with towards the side inside Weighing body 2 and is passed through Weighing body 2
Interior level-one rubber hose 111(is referring to fig. 4), the end of level-one rubber hose 111 is located at the lower section of 2 upper edge of Weighing body, can
To effectively reduce material from the fugitive dust that generates when flowing into Weighing body 2 in level-one rubber hose 111 between top cover 1 and Weighing body 2
It is spilt into air in gap.
As shown in figure 3,1 center of top cover is equipped with dedusting hole 12, it is connected with deduster 6 above dedusting hole 12, is removed
The top of dirt device 6 is equipped with air outlet 61, and the bottom end of deduster 6 is that air inlet falls grey integrated mouth 62, and air inlet falls grey integrated mouth 62 and removes
Pass through flanged joint between dirt hole 12.Top cover 1(is referring to fig. 4) and Weighing body 2 between due to separately positioned can have gap, when defeated
When the material sent is dust-like material, fugitive dust is easily generated during conveying, working environment on the one hand can be polluted and cause safety
On the other hand hidden danger also results in the waste of material, especially some higher materials of unit price, can band in the air of dust loss
Carry out biggish economic loss.The setting of deduster 6 can effectively be collected the dust generated during conveying, deduster 6
Top is equipped with induced draft fans 63, and deduster 6 makes to form negative pressure state inside Weighing body 2 at work, and dust is in subnormal ambient
In be not easy loss in the gap between top cover 1 and Weighing body 2.The lower end of dedusting hole 12 is connected with towards being arranged in Weighing body 2
Second level rubber hose 121, the end of second level rubber hose 121 is lower than the top of Weighing body 2, can be further reduced and easily raise
The granular material of dirt is spilt into air by the gap between top cover 1 and Weighing body 2.
As shown in Figure 1, installation settings has pneumatic vibrator 23, pneumatic vibrator 23 and PLC on the side wall of 2 lower section of Weighing body
Controller 4 be electrically connected, material after weighing blanking to lower section material mixed layer when, material may stick in Weighing body
Make the weight of material actually dropped into material mixed layer insufficient in 2 inner wall surfaces, pneumatic vibrator 23 can pass through pressure
The impact of contracting air is so that the generation vibration of 2 side wall of Weighing body, achievees the effect that abundant blanking.In the present embodiment, pneumatic vibrator
23 use the turbine pneumatic vibrator 23 of GT10 model.Top cover 1 week is flexible coupling 31 companies along between Weighing body 2 by canvas
Logical, canvas is flexible coupling 31 for blocking to the gap between top cover 1 and Weighing body 2, is further reduced dust and spills into sky
In gas, while be flexible coupling 31 setting of canvas can also reduce material and enter the vibration generated in Weighing body 2.
Specific implementation process: for scale hooper when carrying out material weighing work, PLC controller 4 controls the one of 2 lower end of Weighing body
Grade butterfly valve 22 is closed, and controls the opening of second level butterfly valve 34, is controlled driving motor 33 again later and is actuated for conveying, can subtract
Few material since second level butterfly valve 34 is not yet turned on just the case where 3 expert of feed pipe causes material to deposit in turn, from
And play the role of protecting driving motor 33.Separately positioned between top cover 1 and Weighing body 2, gravity sensor 21 only measures weighing
The weight of material in body 2 and Weighing body 2, material are not easy the weighing knot to gravity sensor 21 into the vibration generated when crossing top cover 1
Fruit has an impact.The partial material being blocked in feed pipe 3 in traditional scale hooper can be also counted into weighing result, lead to weight
The sensitivity of 21 weighing result of force snesor and accuracy are insufficient.Separately positioned between top cover 1 and Weighing body 2 can overcome this
One defect, the material only fallen in Weighing body 2 can be just weighed, and effectively raise the measurement essence of gravity sensor 21
Degree.
When gravity sensor 21 detects that the weight of material in Weighing body 2 reaches specified value, gravity sensor 21 is to PLC
Controller 4 sends signal, so that PLC controller 4 controls second level butterfly valve 34 simultaneously and driving motor 33 is closed, can effectively subtract
Few extra material enters in Weighing body 2.After second level butterfly valve 34 is closed, PLC controller 4 controls level-one butterfly valve 22 and opens,
Material is entered in material mixed layer from 2 lower end of Weighing body and is mixed.Meanwhile PLC controller 4 controls pneumatic vibrator 23 and opens
Beginning work achievees the effect that abundant blanking so that the remaining material of 2 inner surface of Weighing body is detached from.
Also control deduster 6 works PLC controller 4 simultaneously, and the spray head for controlling deduster 6 is periodically blown, by cloth bag
The material dust of upper collection, which is shaken off to air inlet, to be fallen at grey integrated mouth 62, and is collected by second level rubber hose 121 to Weighing body 2
It is interior, the recycling of material fugitive dust is realized, so that the utilization rate of raw material is further promoted.
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 metering is accurately separated formula scale hooper, including top cover (1), Weighing body (2), gravity sensor (21) and level-one butterfly
Shape valve (22), the level-one butterfly valve (22) are electrically connected with PLC controller (4), and the top cover (1) is located at Weighing body (2) upper end,
The level-one butterfly valve (22) is located at Weighing body (2) lower end, is equipped with feed pipe (3) above the top cover (1), the feed pipe
Road (3) is connected with feed tank, and the feed tank is located at the top of the one end of feed pipe (3) far from top cover (1), the feed pipe
It is equipped with canvas between road (3) and top cover (1) to be flexible coupling (31), corresponding position is equipped with and is flexible coupling for canvas on the top cover (1)
(31) feed inlet (11) being connected to, it is characterised in that: separately positioned, the top cover between the top cover (1) and Weighing body (2)
(1) it is fixedly connected with ring support (5), the ring support (5) is fixedly connected with stand (51), and the stand (51) is fixed to be connected
It connects on floor, upper end edge of the both ends of the gravity sensor (21) respectively with ring support (5) and Weighing body (2) is fixed
Connection, the gravity sensor (21) are equipped with several, and gravity sensor (21) electrical connection is electrically connected with PLC controller (4)
It connects.
2. a kind of metering according to claim 1 is accurately separated formula scale hooper, it is characterised in that: the feed pipe
(3) one end close to top cover (1) tilts upward setting, is equipped with screw conveyor shaft (32) in the feed pipe (3), the charging
Pipeline (3) is equipped with driving motor (33) far from the one end of top cover (1).
3. a kind of metering according to claim 2 is accurately separated formula scale hooper, it is characterised in that: the feed pipe
(3) one end close to top cover (1) is equipped with second level butterfly valve (34), and the second level butterfly valve (34) is electrically connected with PLC controller (4)
It connects, the driving motor (33) is electrically connected with PLC controller (4).
4. a kind of metering according to claim 3 is accurately separated formula scale hooper, it is characterised in that: in the top cover (1)
Heart position is equipped with dedusting hole (12), is equipped with deduster (6) above the dedusting hole (12), the top of the deduster (6) is equipped with
Air outlet (61) and induced draft fans (63), the bottom end of the deduster (6) are that air inlet falls grey integrated mouth (62), the dedusting hole
(12) it falls with air inlet between grey integrated mouth (62) and is connected to by flange.
5. a kind of metering according to claim 4 is accurately separated formula scale hooper, it is characterised in that: the feed inlet (11)
It is fixedly connected with level-one rubber hose (111) towards Weighing body (2) interior side, the dedusting hole (12) is interior towards Weighing body (2)
Side is fixedly connected with second level rubber hose (121), the end of the level-one rubber hose (111) and second level rubber hose (121)
End is below the top of Weighing body (2).
6. a kind of metering according to claim 5 is accurately separated formula scale hooper, it is characterised in that: the gravity sensor
(21) quantity is 2 to 5, and the gravity sensor (21) is uniformly distributed along top cover (1) week edge.
7. a kind of metering according to claim 6 is accurately separated formula scale hooper, it is characterised in that: the Weighing body (2)
Lateral wall is equipped with pneumatic vibrator (23), and the pneumatic vibrator (23) is electrically connected with PLC controller (4).
8. a kind of metering according to claim 7 is accurately separated formula scale hooper, it is characterised in that: top cover (1) week
Along between Weighing body (2) upper edge by canvas be flexible coupling (31) be connected to.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821548232.0U CN208869002U (en) | 2018-09-20 | 2018-09-20 | A kind of metering is accurately separated formula scale hooper |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821548232.0U CN208869002U (en) | 2018-09-20 | 2018-09-20 | A kind of metering is accurately separated formula scale hooper |
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| CN208869002U true CN208869002U (en) | 2019-05-17 |
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ID=66468365
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110160616A (en) * | 2019-06-25 | 2019-08-23 | 中国计量大学 | A kind of the automatic weighing evenly mixing device and its method of powdered substance |
-
2018
- 2018-09-20 CN CN201821548232.0U patent/CN208869002U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110160616A (en) * | 2019-06-25 | 2019-08-23 | 中国计量大学 | A kind of the automatic weighing evenly mixing device and its method of powdered substance |
| CN110160616B (en) * | 2019-06-25 | 2024-01-19 | 中国计量大学 | Automatic weighing and uniformly mixing device and method for powdery substances |
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