CN202412472U - Powder metering device and concrete mixing plant - Google Patents
Powder metering device and concrete mixing plant Download PDFInfo
- Publication number
- CN202412472U CN202412472U CN2011204276614U CN201120427661U CN202412472U CN 202412472 U CN202412472 U CN 202412472U CN 2011204276614 U CN2011204276614 U CN 2011204276614U CN 201120427661 U CN201120427661 U CN 201120427661U CN 202412472 U CN202412472 U CN 202412472U
- Authority
- CN
- China
- Prior art keywords
- powder
- discharging opening
- powder container
- container
- metering 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.)
- Expired - Lifetime
Links
Images
Landscapes
- Accessories For Mixers (AREA)
Abstract
The utility model provides a powder metering device and a concrete mixing plant. The powder metering device comprises a metering hopper, a first powder container, a second powder container, a first control switch and a first controller, wherein the metering hopper is used for metering powder; the first powder container and the second powder container are used for receiving powder; the first powder container is provided with a first discharge opening for discharging the powder to the metering hopper; the second powder container is provided with a second discharge opening for discharging the powder to the metering hopper; the discharging amount of the first discharge opening is greater than that of the second discharge opening; the first control switch is arranged on the second discharge opening and is used for closing/opening the second discharge opening; and the first controller is connected with the first control switch and is used for controlling the first control switch to be opened/closed. According to the powder metering device disclosed by the utility model, the requirement on accurate metering within a wide range of a target value of the powder is met and the influence on the production efficiency is avoided.
Description
Technical field
The utility model relates generally to engineering machinery field, particularly a kind of powder metering device and concrete mixing plant.
Background technology
Concrete mixing plant needs to add powders such as cement, flyash, additive in producing concrete process at present; These powder formulation amounts are compared aggregate and will be lacked; But it is very big to concrete performance impact; The metering desired value of the various powders that concrete uses of production different performance is also different on same set of concrete mixing plant, therefore requires concrete mixing plant powder input speed fast, and the powder metering system is guaranteed to measure accurately in the scope of metering desired value than broad.
In the prior art, concrete mixing plant powder metering system generally adopts dual mode to carry, and a kind of is to adopt big caliber conveying worm to carry, and is characterized in and can carries fast, but be difficult to control material amount and drop, and measuring accuracy is difficult to guarantee; Another kind is to adopt tubule footpath conveying worm to carry or adopt big caliber conveying worm low speed to carry, and this mode can guarantee measuring accuracy basically, but inefficiency.
The utility model content
The purpose of the utility model is that the powder conveying can't guarantee the problem of transfer efficiency and measuring accuracy simultaneously in the prior art in order to solve, thereby has proposed a kind of powder metering device and concrete mixing plant.
The technical scheme of the utility model is achieved in that
A kind of powder metering device comprises:
Weighing hopper is used to measure powder;
Be used to receive first powder container and second powder container of powder; Said first powder container is provided with first discharging opening that powder is discharged to said weighing hopper; Said second powder container is provided with second discharging opening that powder is discharged to said weighing hopper, and the discharging amount of said first discharging opening is greater than the discharging amount of said second discharging opening;
First gauge tap is arranged at said second discharging opening, is used to close/open said second discharging opening;
First controller is connected with said first gauge tap, is used to control closing/opening of said first gauge tap.
Further; Said first powder container and said second powder container constitute by a dividing plate is set in the powder container; Said dividing plate is divided into first cavity and second cavity with said powder container; Wherein, said first cavity is set to said first powder container, and said second cavity is set to said second powder container.
Further, said first controller comprises:
Computing unit is used to calculate and is discharged into to the powder amount of said weighing hopper and the difference of desired value;
Judging unit is connected with said computing unit, is used to judge that whether said difference is less than first predetermined threshold value;
Performance element; Be connected with said judging unit, be used for controlling said first gauge tap and opening when said difference during less than said first predetermined threshold value; When the said difference of said judgment unit judges is not less than said first predetermined threshold value, controls said first gauge tap and close.
Further, also comprise:
First pipeline connects said first discharging opening and said weighing hopper;
Second pipeline connects said second discharging opening and said weighing hopper.
Further, also comprise:
Second gauge tap is arranged at said first discharging opening, is used to close/open said first discharging opening.
A kind of concrete mixing plant comprises the powder conveyer, also comprises foregoing powder metering device.
Further, also comprise:
Second controller is connected with said powder conveyer, is used for when being discharged into difference to the powder amount of weighing hopper and desired value less than first predetermined threshold value, controlling said powder conveyer and stopping to carry powder.
Further, said powder conveyer is a conveying worm.
In the utility model technical scheme through first powder container and second powder container are set; When needs guarantee transfer efficiency; The powder of powder conveyor delivery can directly be discharged into to weighing hopper through the first bigger discharging opening of discharging amount in first powder container; And when reaching desired value soon, can regulate, thereby can guarantee measuring accuracy through the second less discharging opening of discharging amount in second powder container.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiment of the utility model, for those of ordinary skills; Under the prerequisite of not paying creative work property, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of an embodiment of a kind of powder metering device of the utility model.
The specific embodiment
To combine the accompanying drawing among the utility model embodiment below, the technical scheme among the utility model embodiment is carried out clear, intactly description, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
In first embodiment of a kind of powder metering device of the utility model, said powder metering device comprises weighing hopper, first powder container and second powder container, first gauge tap, first controller.
Said weighing hopper is used to measure powder.
Said first powder container and second powder container; Be used to receive the powder that outside powder conveyer is carried; Said first powder container is provided with first discharging opening that powder is discharged to said weighing hopper; Said second powder container is provided with second discharging opening that powder is discharged to said weighing hopper, and the discharging amount of said first discharging opening is greater than the discharging amount of said second discharging opening.
Said first gauge tap is arranged at said second discharging opening, is used to close/open said second discharging opening;
Said first controller is connected with said first gauge tap, is used to control closing/opening of said first gauge tap.
In the present embodiment, said first powder container and said second powder container can be two independently containers.
With reference to Fig. 1, in another embodiment of a kind of powder metering device of the utility model, said powder metering device comprises weighing hopper 8, powder container 1, first gauge tap 6, first controller.
Said weighing hopper 8 is used to measure powder.
The described powder of the utility model is meant processes the various general names that process raw material such as needed cement, flyash, additive to concrete.
Said powder container 1; Be used to receive the powder that powder conveyer 9 is carried; Be provided with a dividing plate 4 in the said powder container 1, said dividing plate 4 is divided into first cavity 2 and second cavity 3 with said powder container 1, and said first cavity 2 is provided with first discharging opening that powder is discharged to said weighing hopper 8; Said second cavity 3 is provided with second discharging opening that powder is discharged to said weighing hopper 8, and the discharging amount of said first discharging opening is greater than the discharging amount of said second discharging opening.
The charging aperture of said powder container 1 can be connected with the powder conveyer 9 of outside, is used to receive the various powders that powder conveyer 9 is carried.
In the present embodiment, said first powder container and said second powder container are to be formed by the separation of a container (powder container 1) through dividing plate 4.
Said powder container 1 can be the biconial container that the bottom has two tapers; Two discharging openings are arranged at the awl bucket place of lowermost end respectively; Thereby can guarantee that powder better draws off, be unlikely to a large amount of powders is remained in the powder container 1, certainly; Said powder container 1 can also adopt the container of other shapes, structure, and the utility model does not carry out any qualification to this.
In a preferred embodiment of the utility model, be arranged at the preferably short plane that belongs in the charging aperture of powder container 1 of dividing plate 4 in the said powder container 1, so that first cavity 2 and second cavity 3 can better balanced powders.
Said first gauge tap 6 is arranged at said second discharging opening, is used to close/open said second discharging opening.
Said first gauge tap 6 can be the valve that automatic valve or other such as have at same-action.
First controller is connected with said first gauge tap 6, is used to control closing/opening of said first gauge tap 6.
In a preferred embodiment of the utility model, said first controller comprises:
Computing unit is used to calculate and is discharged into to the powder amount of said weighing hopper 8 and the difference of desired value.Said desired value is through confirming according to concrete performance.
Judging unit is connected with said computing unit, is used to judge that whether said difference is less than first predetermined threshold value.Said first predetermined threshold value can be set with situation according to the actual requirements, and the utility model does not limit this.
Performance element; Be connected with said judging unit, be used for controlling said first gauge tap 6 and opening when said difference during less than said first predetermined threshold value; When the said difference of said judgment unit judges is not less than said first predetermined threshold value, controls said first gauge tap 6 and close.
Preferably, be provided with first pipeline 5 between said first discharging opening and the said weighing hopper 8, be provided with second pipeline 7 between said second discharging opening and the said weighing hopper 8.Said first pipeline 5 can adopt flexible pipe with said second pipeline 7, to keep the accuracy of powder metering.
Describe in the face of the course of work and the operation principle of the said powder metering device of the utility model down.
First cavity 2 directly links to each other with weighing hopper 8 through first pipeline 5; Second discharging opening below second cavity 3 is provided with an automatic valve; Link to each other with weighing hopper 8 through second pipeline 7; Metering realizes the smart function of claiming to powder through the open and close automatic valve, and the switch of automatic valve can be through programmed logic control.Before the powder metering, automatic valve is closed, and during metering, starts powder conveyer 9, and powder gets into weighing hopper 8 through first cavity 2 and first pipeline 5, and the realization powder is slightly claimed function, and the powder amount that is discharged into weighing hopper 8 this moment is maximum, has satisfied the requirement of transfer efficiency; When actual weighing value during near desired value, powder conveyer 9 stops feeding, opens automatic valve, through the powder of hoarding in second cavity 3, realizes the smart function of claiming of powder.
In addition, in another embodiment of a kind of powder metering device of the utility model, said powder metering device also comprises: second gauge tap, be arranged at said first discharging opening, and be used to close/open said first discharging opening.
In the present embodiment; Two discharging openings (first discharging opening and the second material mouth) all can be provided with gauge tap; Its metering method can be divided into following two kinds: two gauge taps are all opened when one, slightly claiming; During near desired value, close first discharging opening, carry out essence by the independent discharging of second discharging opening and claim to reach desired value through second gauge tap; When two, slightly claiming, only open first discharging opening, close first discharging opening when opening second discharging opening during smart the title.
In the utility model technical scheme through first powder container and second powder container are set; When needs guarantee transfer efficiency; The powder of powder conveyor delivery can directly be discharged into to weighing hopper through the first bigger discharging opening of discharging amount in first powder container; And when reaching desired value soon, can regulate, thereby can guarantee measuring accuracy through the second less discharging opening of discharging amount in second powder container.Outside the requirement of the utility model technical scheme accurate measurement in satisfying powder desired value wide region, also can influence production efficiency.
In addition, the utility model also provides a kind of concrete mixing plant, and said concrete mixing plant comprises powder conveyer 9, also comprises the described powder metering device like preceding each embodiment.Said powder conveyer 9 is preferably conveying worm.In addition, said concrete mixing plant can also comprise: second controller, be connected with said powder conveyer 9, and be used for controlling said powder conveyer 9 and stopping to carry powder when said difference during less than said first predetermined threshold value.
Wherein, said powder metering device each embodiment part is in front described in detail, considers for length, repeats no more at this, gets final product with reference to the description of front relevant portion.
The above is merely the preferred embodiment of the utility model; Not in order to restriction the utility model; All within the spirit and principle of the utility model, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the utility model.
Claims (8)
1. a powder metering device is characterized in that, comprising:
Weighing hopper (8) is used to measure powder;
Be used to receive first powder container and second powder container of powder; Said first powder container is provided with first discharging opening that powder is discharged to said weighing hopper (8); Said second powder container is provided with second discharging opening that powder is discharged to said weighing hopper (8), and the discharging amount of said first discharging opening is greater than the discharging amount of said second discharging opening;
First gauge tap (6) is arranged at said second discharging opening, is used to close/open said second discharging opening;
First controller is connected with said first gauge tap (6), is used to control closing/opening of said first gauge tap (6).
2. powder metering device according to claim 1; It is characterized in that; Said first powder container and said second powder container constitute by a dividing plate (4) is set in the powder container (1), and said dividing plate (4) is divided into first cavity (2) and second cavity (3) with said powder container (1), wherein; Said first cavity (2) is set to said first powder container, said second cavity (3) is set to said second powder container.
3. powder metering device according to claim 1 and 2 is characterized in that, said first controller comprises:
Computing unit is used for calculating and is discharged into to the powder amount of said weighing hopper (8) and the difference of desired value;
Judging unit is connected with said computing unit, is used to judge that whether said difference is less than first predetermined threshold value;
Performance element; Be connected with said judging unit, be used for controlling said first gauge tap (6) and opening when said difference during less than said first predetermined threshold value; When the said difference of said judgment unit judges is not less than said first predetermined threshold value, controls said first gauge tap (6) and close.
4. powder metering device according to claim 3 is characterized in that, also comprises:
First pipeline (5) connects said first discharging opening and said weighing hopper (8);
Second pipeline (7) connects said second discharging opening and said weighing hopper (8).
5. powder metering device according to claim 4 is characterized in that, also comprises:
Second gauge tap is arranged at said first discharging opening, is used to close/open said first discharging opening.
6. a concrete mixing plant comprises powder conveyer (9), it is characterized in that, also comprises like each described powder metering device of claim 1 to 6.
7. concrete mixing plant according to claim 6 is characterized in that, also comprises:
Second controller is connected with said powder conveyer (9), is used for when being discharged into difference to the powder amount of weighing hopper (8) and desired value less than first predetermined threshold value, controlling said powder conveyer (9) and stopping to carry powder.
8. according to claim 6 or 7 described concrete mixing plants, it is characterized in that said powder conveyer (9) is a conveying worm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204276614U CN202412472U (en) | 2011-11-02 | 2011-11-02 | Powder metering device and concrete mixing plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204276614U CN202412472U (en) | 2011-11-02 | 2011-11-02 | Powder metering device and concrete mixing plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202412472U true CN202412472U (en) | 2012-09-05 |
Family
ID=46737264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204276614U Expired - Lifetime CN202412472U (en) | 2011-11-02 | 2011-11-02 | Powder metering device and concrete mixing plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202412472U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104209051A (en) * | 2014-08-19 | 2014-12-17 | 北京印月明印染新技术有限公司 | An environment-friendly automatic metering powder feeding device and method |
| CN104526880A (en) * | 2014-11-13 | 2015-04-22 | 浙江润炬建筑机械有限公司 | A control system of a mixing plant |
| CN104552610A (en) * | 2014-12-26 | 2015-04-29 | 三一汽车制造有限公司 | Batching control method and system of concrete batching plant |
| CN107881882A (en) * | 2017-09-08 | 2018-04-06 | 徐州徐工筑路机械有限公司 | Blending station feeding device and method |
| CN114471350A (en) * | 2021-12-31 | 2022-05-13 | 三一汽车制造有限公司 | Metering control method and device, metering system and mixing station |
| CN114849519A (en) * | 2022-04-29 | 2022-08-05 | 常德市三一机械有限公司 | Material metering device, metering control method, metering controller and mixing station |
| CN114923550A (en) * | 2022-04-29 | 2022-08-19 | 常德市三一机械有限公司 | Material metering device, metering control method, metering control device and mixing station |
-
2011
- 2011-11-02 CN CN2011204276614U patent/CN202412472U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104209051A (en) * | 2014-08-19 | 2014-12-17 | 北京印月明印染新技术有限公司 | An environment-friendly automatic metering powder feeding device and method |
| CN104526880A (en) * | 2014-11-13 | 2015-04-22 | 浙江润炬建筑机械有限公司 | A control system of a mixing plant |
| CN104552610A (en) * | 2014-12-26 | 2015-04-29 | 三一汽车制造有限公司 | Batching control method and system of concrete batching plant |
| CN104552610B (en) * | 2014-12-26 | 2017-04-05 | 三一汽车制造有限公司 | The ingredient control method and system of concrete mixing plant |
| CN107881882A (en) * | 2017-09-08 | 2018-04-06 | 徐州徐工筑路机械有限公司 | Blending station feeding device and method |
| CN114471350A (en) * | 2021-12-31 | 2022-05-13 | 三一汽车制造有限公司 | Metering control method and device, metering system and mixing station |
| CN114471350B (en) * | 2021-12-31 | 2023-11-17 | 三一汽车制造有限公司 | Metering control method, metering control device, metering system and stirring station |
| CN114849519A (en) * | 2022-04-29 | 2022-08-05 | 常德市三一机械有限公司 | Material metering device, metering control method, metering controller and mixing station |
| CN114923550A (en) * | 2022-04-29 | 2022-08-19 | 常德市三一机械有限公司 | Material metering device, metering control method, metering control device and mixing station |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204823321U (en) | Material delivery system | |
| CN201520548U (en) | Pneumatic pressure delivering device capable of automatic weighing | |
| CN104260207A (en) | Dynamic control system and method for batching accuracy of concrete mixing plant | |
| CN204412193U (en) | Automatic batching system | |
| CN102032941A (en) | Static weighing device of continuously flowing liquid | |
| CN108927898A (en) | A kind of dry powder mortar production line control system | |
| CN204223854U (en) | A kind of weight-loss type pay-off | |
| CN203005767U (en) | Precise packing scale for powdery materials | |
| CN206358494U (en) | A kind of land plaster is unpacked conveying device automatically | |
| CN207415707U (en) | A kind of anti-excessive device of additive | |
| CN203427160U (en) | Automatic dosing system for raw materials of electrically-fused bricks | |
| CN201930776U (en) | Quantitative automatic feeding system | |
| CN104457941A (en) | Automatic weighing device | |
| CN201746059U (en) | Powder metering and conveying device | |
| CN201128858Y (en) | Powder metering control device | |
| CN204911401U (en) | Compound fertilizer's automatic blending device | |
| CN204269212U (en) | A kind of accurate feed proportioning system | |
| CN203806658U (en) | Ore blending system | |
| CN206126322U (en) | Automatic change feeding system | |
| RU2451268C2 (en) | Method of weighing granular fractions and equipment for realising said method | |
| CN202614351U (en) | Automatic weighing device | |
| CN205998653U (en) | Spiral feeding system | |
| CN203317511U (en) | Concrete powdery admixture metering and dispensing device | |
| CN204471629U (en) | Wood plastic boards materials blending device | |
| CN203805141U (en) | Automatic batching system for foam concrete |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120905 |