CN212651770U - Dry powder additive metering and batching device - Google Patents
Dry powder additive metering and batching device Download PDFInfo
- Publication number
- CN212651770U CN212651770U CN202021059950.9U CN202021059950U CN212651770U CN 212651770 U CN212651770 U CN 212651770U CN 202021059950 U CN202021059950 U CN 202021059950U CN 212651770 U CN212651770 U CN 212651770U
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- Prior art keywords
- hopper
- dry powder
- metering
- weighing
- powder additive
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- 239000000843 powder Substances 0.000 title claims abstract description 30
- 239000000654 additive Substances 0.000 title claims abstract description 25
- 230000000996 additive Effects 0.000 title claims abstract description 24
- 238000003860 storage Methods 0.000 claims abstract description 19
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 2
- 238000005303 weighing Methods 0.000 abstract description 28
- 238000006243 chemical reaction Methods 0.000 abstract description 9
- 238000005260 corrosion Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 13
- 239000000463 material Substances 0.000 description 12
- 239000004566 building material Substances 0.000 description 6
- 101700022029 GBLP Proteins 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 238000007664 blowing Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000003068 static Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Abstract
The utility model relates to a dry powder additive metering and batching device, including frame, storage hopper, the single screw conveyer of frequency conversion, flexible connector, weighing hopper, storage hopper, the single screw conveyer of frequency conversion are all fixed in the frame, and the discharge gate of storage hopper is linked together with the feed inlet of the single screw conveyer of frequency conversion, and the discharge gate of the single screw conveyer of frequency conversion is connected with the flexible connector, and the flexible connector export is linked together with the weighing hopper entry, and the weighing hopper is connected with weighing sensor, and weighing sensor sets up at the weighing hopper top, the weighing hopper make by corrosion resistant plate, the weighing hopper externally mounted has the knocker. The advantages are that: the device is reasonable in structure and meets the high-precision metering requirement of the dry powder additive. Adopt single screw conveyer of frequency conversion to accomplish accurate pay-off to realize accurately weighing through weighing sensor, the powder discharge that the cooperation knocker will be attached to at the weighing hopper inner wall realizes accurate input dry powder additive, guarantees product quality.
Description
Technical Field
The utility model belongs to building materials measurement field especially relates to a be used for micro dry powder additive measurement proportioning device.
Background
During the production process of building materials, various necessary dry powder additives with small unit dosage are always needed to adjust the characteristics and quality of products. The ingredients of small powder are put into the mode, and at present, there are basically three: according to the requirements of the production process formula, most building material enterprises are equipped with specially-assigned persons, and the specially-assigned persons are pre-weighed by a platform scale in different varieties and are respectively stored in small bags; during production, a specially-assigned person is arranged beside production equipment, small weighed small bags of materials are respectively fed into a mixer through a manual feeding port according to the production process formula and the requirements of production batches, and then the mixer starts batch mixing production after a feeding signal is confirmed to a production system. In order to reduce labor cost and environmental pressure, some building material enterprises select and match a single-pipe screw conveyor with small specifications as automatic small-material metering equipment to realize automatic small-material metering and batching. And the building material enterprises adopt a combination mode of a single-pipe screw machine and a static weighing unit, namely, the automatic metering and batching work is realized by sequentially feeding and accumulating multiple small materials to a metering hopper of one metering and weighing unit through the screw machine.
The above small material metering and batching modes have some problems in different degrees, which causes confusion of building material production personnel. The manual addition of small materials takes the labor cost and the management cost into consideration, the product quality instability such as weighing precision, small feeding bag residue and the like and the increase of material cost are also caused, and the small materials are scattered by powder in the dividing and feeding processes to cause environmental pollution and harm to human health. Overall, the following is: the product quality is unstable, the waste of small materials increases the material cost, the labor cost and the environmental pollution need to be considered, the product production period is unstable, the monthly actual production capacity is unstable, and the like.
The addition accuracy requirement of the dry powder additive is high, and the material metering accuracy is usually 0.05%, so that the structure of the conventional device needs to be improved, and the production requirement is met.
Disclosure of Invention
For overcoming the defects of the prior art, the utility model aims to provide a dry powder additive metering and batching device, which improves the metering precision and meets the production requirements.
In order to achieve the above object, the utility model discloses a following technical scheme realizes:
a dry powder additive metering and batching device comprises a rack, a storage hopper, a variable frequency single-screw conveyor, a flexible connecting piece and a metering hopper, wherein the storage hopper and the variable frequency single-screw conveyor are fixed on the rack, a discharge port of the storage hopper is communicated with a feed inlet of the variable frequency single-screw conveyor, a discharge port of the variable frequency single-screw conveyor is connected with the flexible connecting piece, an outlet of the flexible connecting piece is communicated with an inlet of the metering hopper, the metering hopper is connected with a weighing sensor, the weighing sensor is arranged at the top of the metering hopper, the metering hopper is made of a stainless steel plate, and a vibrator is arranged outside the metering hopper; the pitch of the helical blade of the variable-frequency single-screw conveyor is 30-50mm, and the outer diameter of the helical blade is 50-80 mm.
And a vibrator is arranged outside the storage hopper.
The soft connecting piece is a snakeskin tube or a cloth bag.
And a discharge hole at the bottom of the metering hopper is provided with a pneumatic butterfly valve.
The helical blades being arranged in seriesAnd welding the white steel cylinder.
Compared with the prior art, the beneficial effects of the utility model are that:
the metering and proportioning device for the dry powder additive has a reasonable structure, and meets the high-precision metering requirement of the dry powder additive. Adopt single screw conveyer of frequency conversion to accomplish accurate pay-off to realize accurate weighing through weighing sensor, by the blowing of pneumatic butterfly valve control again, the cooperation rapping device will be attached to the powder discharge of weighing hopper inner wall, realizes accurate input dry powder additive, guarantees product quality. The storage hopper is used for temporarily storing the dry powder additive, so that the error value caused by fall is reduced, and meanwhile, the metering error caused by swing interference of the conveyor in working is reduced by adopting the soft connecting piece.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1-frame 2-storage hopper 3-frequency conversion single screw conveyer 4-flexible connector one 5-weighing sensor 6-weighing hopper 7-pneumatic butterfly valve 8-flexible connector two 9-vibrator one 10-vibrator two.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings, but it should be noted that the present invention is not limited to the following embodiments.
Referring to fig. 1, a dry powder additive metering and batching device comprises a rack 1, a storage hopper 2, a variable frequency single-screw conveyer 3 and a metering hopper 6, wherein the storage hopper 2 and the variable frequency single-screw conveyer 3 are both fixed on the rack 1, a discharge port of the storage hopper 2 is communicated with a feed port of the variable frequency single-screw conveyer 3, a discharge port of the variable frequency single-screw conveyer 3 is connected with a first flexible connecting piece 4, an outlet of the first flexible connecting piece 4 is communicated with an inlet of the metering hopper 6, the metering hopper 6 is connected with the rack 1 through a weighing sensor 5, the weighing sensor 5 is arranged at the top of the metering hopper 6, the weighing sensor 5 can adopt a hanging type weighing sensor, the metering hopper 6 is made of a stainless steel plate, and a second vibrator 10 is arranged outside the; the pitch of the helical blades of the variable-frequency single-screw conveyor 3 is 30-50mm, and the helical blades are continuously arrangedThe white steel cylinder is welded, the outer diameter of the formed helical blade is 50-80mm, and slow feeding and accurate feeding are realized. The metering range of the device can be controlled to be 100-1000g, and the precision of metering and batching is 1-5 g. When the metering value of the metering hopper 6 is close to a set value, the frequency of the frequency converter is reduced, the single-screw conveyor 3 feeds at a low speed, when the set value is reached, the frequency converter stops running, and the frequency conversion single-screw conveyor 3 stops feeding. The adoption of the variable-frequency single-screw conveyor 3 can ensure the metering precision.
Wherein, storage hopper 2 externally mounted has rapping apparatus 9, improve the continuity of the input, prevent the additive sail of dry powder from expecting, storage hopper 2 can also adopt the stainless steel to make. In addition, a soft connecting piece II 8 is arranged at a discharge hole at the bottom of the metering hopper 6, so that the dust suppression effect can be achieved, and a vibrator II 10 is started after discharging, so that the accurate amount of the dry powder additive entering a temporary storage bin or a stirrer is ensured. The first soft connecting piece 4 and the second soft connecting piece 8 can be made of flexible materials such as a snakeskin tube or a cloth bag. A pneumatic butterfly valve 7 is arranged at a discharge hole at the bottom of the metering hopper 6.
The utility model discloses it is rational in infrastructure, satisfied the high accuracy measurement requirement of dry powder additive. Adopt single screw conveyer 3 of frequency conversion to accomplish accurate pay-off to realize accurate weighing through weighing sensor 5, control the blowing by pneumatic butterfly valve 7 again, the powder discharge that cooperation rapping device two will be attached to 6 inner walls of weighing hopper realizes accurate input dry powder additive, guarantees product quality. The storage hopper 2 is used for temporarily storing the dry powder additive, so that the error value caused by fall is reduced, and meanwhile, the metering error caused by swing interference of the conveyor in working is reduced by adopting the soft connecting piece.
Claims (5)
1. A dry powder additive metering and batching device is characterized by comprising a rack, a storage hopper, a variable frequency single-screw conveyor, a flexible connector and a metering hopper, wherein the storage hopper and the variable frequency single-screw conveyor are fixed on the rack; the pitch of the helical blade of the variable-frequency single-screw conveyor is 30-50mm, and the outer diameter of the helical blade is 50-80 mm.
2. A dry powder additive dosing device as claimed in claim 1 wherein the storage hopper is externally fitted with a rapper.
3. A dry powder additive dosing device as claimed in claim 1 wherein the flexible connection is a flexible hose or bag.
4. The dry powder additive metering and dispensing device of claim 1, wherein the bottom discharge port of the metering hopper is provided with a pneumatic butterfly valve.
5. A dry powder additive dosing device as claimed in claim 1 wherein the helical blades are formed from a continuous arrangement
And welding the white steel cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021059950.9U CN212651770U (en) | 2020-06-10 | 2020-06-10 | Dry powder additive metering and batching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021059950.9U CN212651770U (en) | 2020-06-10 | 2020-06-10 | Dry powder additive metering and batching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212651770U true CN212651770U (en) | 2021-03-05 |
Family
ID=74753893
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021059950.9U Active CN212651770U (en) | 2020-06-10 | 2020-06-10 | Dry powder additive metering and batching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212651770U (en) |
-
2020
- 2020-06-10 CN CN202021059950.9U patent/CN212651770U/en active Active
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