CN219686124U - Metering device for feeding concrete mixing plant - Google Patents
Metering device for feeding concrete mixing plant Download PDFInfo
- Publication number
- CN219686124U CN219686124U CN202320776419.0U CN202320776419U CN219686124U CN 219686124 U CN219686124 U CN 219686124U CN 202320776419 U CN202320776419 U CN 202320776419U CN 219686124 U CN219686124 U CN 219686124U
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- China
- Prior art keywords
- metering device
- electromagnetic valve
- concrete mixing
- mixing plant
- motor
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- 239000000463 material Substances 0.000 claims abstract description 43
- 238000007790 scraping Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 2
- 238000003860 storage Methods 0.000 abstract description 10
- 238000005303 weighing Methods 0.000 abstract description 8
- 238000007599 discharging Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 5
- 239000002994 raw material Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 239000004568 cement Substances 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000004580 weight loss Effects 0.000 description 1
Landscapes
- Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
Abstract
The utility model relates to the technical field of mixing stations, in particular to a metering device for feeding a concrete mixing station, which comprises the following components: the automatic feeding device comprises a storage bin and a mounting frame, wherein a material cavity is formed in the storage bin, a first electromagnetic valve and a second electromagnetic valve are mounted at the lower end of the material cavity, a transverse support is welded at the bottom of the storage bin, a sensor is mounted on the transverse support, and the upper end of the sensor is fixed with the mounting frame. According to the utility model, the first motor drives the first screw conveying propeller to quickly convey materials to the edge-curling conveying belt for weighing, when the required weight is about to be achieved, the first electromagnetic valve is closed, the second electromagnetic valve is opened, then the second motor drives the second screw conveying propeller to rotate at a low speed, so that the discharging can be accurately controlled, and the problem that the metering precision is poor due to the fact that the quick discharging is difficult to control is avoided.
Description
Technical Field
The utility model relates to the technical field of mixing stations, in particular to a metering device for feeding a concrete mixing station.
Background
The concrete mixing station, also called a concrete precast yard, is a combined device for intensively mixing concrete, and consists of a mixing main machine, a material weighing system, a material conveying system, a material storage system, a control system and other auxiliary facilities. The method has high mechanization, automation degree and productivity, can ensure the quality of concrete and save cement, and is commonly used for projects such as large concrete project amount, long construction period, electric power, bridges and the like.
The concrete mixing plant needs to use a metering device, and the raw materials with different proportions are used for mixing and stirring, so that concrete with different performances is obtained and can be used in specific occasions, and therefore, whether the weighing of the raw materials directly affects the quality of the stirred concrete or not is accurate.
When the existing metering device is used, the raw material bin is opened, materials fall down onto the conveying belt from the electromagnetic valve at the bottom of the raw material bin, heavy materials are carried out through the sensor at the lower end of the conveying belt, and in order to quickly discharge materials, a propeller is driven by a motor to enable the materials to fall down through the electromagnetic valve quickly, in quick blanking, the measurement accuracy of the tension sensor is difficult to ensure, so that the cement actually falling into the mixer is easy to have larger deviation with the cement weighed by the tension sensor, and the defect of low metering accuracy exists; meanwhile, the conveying belt is easy to bond aggregate and the aggregate slides from two sides of the conveying belt in the conveying process, so that the materials entering the stirring mechanism are lack of weight and less, and the proportion is affected.
To this end we propose a metering device for concrete mixing plant charging which solves the above mentioned problems.
Disclosure of Invention
The utility model aims to provide a metering device for feeding of a concrete mixing plant, which aims to solve the problem of poor metering precision of the metering device of the mixing plant.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a metering device for charging a concrete mixing plant, comprising: the automatic feeding device comprises a storage bin and a mounting frame, wherein a material cavity is formed in the storage bin, a first electromagnetic valve and a second electromagnetic valve are mounted at the lower end of the material cavity, a transverse support is welded at the bottom of the storage bin, a sensor is mounted on the transverse support, and the upper end of the sensor is fixed with the mounting frame.
Preferably, the inner side of the mounting frame is symmetrically and rotatably provided with a conveying roller, and the conveying roller is connected with a tilting conveyor belt.
Preferably, a scraping plate is welded on the inner side of the mounting frame and is connected with the inner wall of the edge-tilting conveyor belt.
Preferably, a first motor is installed on the storage bin, a rotating shaft of the first motor is connected with a first screw conveying propeller, and the lower end of the first screw conveying propeller is located at the inner side of the feeding end of the first electromagnetic valve.
Preferably, a second motor is arranged on the storage bin, a rotating shaft of the second motor is connected with a second screw conveying propeller, and the lower end of the second screw conveying propeller is positioned at the inner side of the feeding end of the second electromagnetic valve.
Preferably, hoppers are symmetrically arranged on the storage bin.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, the first motor drives the first screw conveying propeller to quickly convey materials to the edge-curling conveying belt for weighing, when the required weight is about to be achieved, the first electromagnetic valve is closed, the second electromagnetic valve is opened, then the second motor drives the second screw conveying propeller to rotate at a low speed, so that the discharging can be accurately controlled, and the problem that the metering precision is poor due to the fact that the quick discharging is difficult to control is avoided.
2. According to the utility model, the material is prevented from sliding from two sides by the edge-curling conveyor belt, the scraper is used for cleaning the surface of the edge-curling conveyor belt and then discharging the material from the scraper, and the problem that the ratio is affected by the lack of weight of the material entering the stirring device due to the fact that the material falls from two sides or is adhered to the surface of the conveyor belt in the conveying process can be avoided.
Drawings
FIG. 1 is a cross-sectional view of the overall structure of the present utility model;
FIG. 2 is a side cross-sectional view of the overall structure of the present utility model;
FIG. 3 is a schematic diagram of the overall structure of the present utility model;
in the figure: 1 bin, 11 material chamber, 12 first solenoid valve, 13 second solenoid valve, 14 cross bracing, 15 sensor, 16 hopper, 2 installing frame, 21 conveying roller, 22 scraper blade, 23 perk limit conveyer belt, 3 first motor, 31 first screw conveying oar, 4 second motor, 41 second screw conveying oar.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1, 2 and 3, a metering device for feeding a concrete mixing plant is shown, comprising: the material feeding device comprises a material bin 1 and a mounting frame 2, wherein a material cavity 11 is formed in the material bin 1, the number of the material cavities 11 is 3, a first electromagnetic valve 12 and a second electromagnetic valve 13 are arranged at the lower end of the material cavity 11, the first electromagnetic valve 12 is a large-caliber electromagnetic valve, the first electromagnetic valve 12 is closed when the quick feeding is required to reach the weighing weight, the second electromagnetic valve 13 is a small-caliber electromagnetic valve, after the first electromagnetic valve 12 is closed, feeding can be accurately controlled to a raised edge conveyor belt 23 through the second electromagnetic valve 13 to avoid excessive feeding, a transverse support 14 is used for welding the bottom of the material bin 1, a sensor 15 is arranged on the transverse support 14, and the upper end of the sensor 15 is fixed with the mounting frame 2.
The inboard symmetry of installing frame 2 rotates and installs conveying roller 21, and the motor drives conveying roller 21 rotation and can drive and stick up limit conveyer belt 23 and rotate and carry the material on the limit conveyer belt 23 of stick up to one side, is connected with on the conveying roller 21 and sticks up limit conveyer belt 23, and the setting of limit conveyer belt 23 of stick up can prevent that the material from dropping from both sides in the material transportation process from influencing the precision.
The scraper 22 is welded on the inner side of the mounting frame 2, the scraper 22 is connected with the inner wall of the edge-lifting conveyer belt 23, and when the edge-lifting conveyer belt 23 rotates, the surface of the edge-lifting conveyer belt 23 can be cleaned through the scraper 22, so that materials slide down along the scraper 22, and weighing materials are prevented from being adhered to the surface of the edge-lifting conveyer belt 23 and being less than two weight loss.
Install first motor 3 on feed bin 1, first motor 3 rotates fast when the operation, and first motor 3's rotation axis connection has first screw conveying oar 31, and first screw conveying oar 31's lower extreme is located first solenoid valve 12 feed end inboard, and first motor 3 drives first screw conveying oar 31 and rotates can be fast with the material downwards discharge from first solenoid valve 12, prevents to block up first solenoid valve 12 when the ejection of compact.
Install second motor 4 on feed bin 1, second motor 4 is low rotational speed motor, and the rotation axis connection of second motor 4 has second screw to carry oar 41, and the lower extreme of second screw to carry oar 41 is located second solenoid valve 13 feed end inboard, and second motor 4 drives second screw to carry oar 41 low-speed rotation and can accurate control ejection of compact, can avoid simultaneously that second solenoid valve 13 blocks up.
The material bin 1 is symmetrically provided with a hopper 16, and the hopper 16 is used for adding materials into the material cavity 11.
The device is used when: the first electromagnetic valve 12 is opened, the first motor 3 drives the first screw conveying propeller 31 to rotate, materials can be discharged downwards from the first electromagnetic valve 12 and fall on the edge-curling conveying belt 23 to be weighed, when the materials on the edge-curling conveying belt 23 are about to reach the weighing weight, the first electromagnetic valve 12 closes the second electromagnetic valve 13 to be opened, the second motor 4 drives the second screw conveying propeller 41 to rotate at a low speed, the materials are discharged downwards from the second electromagnetic valve 13 to the edge-curling conveying belt 23, the discharging can be accurately controlled, and the problem that the discharging cannot be accurately controlled when the traditional batching device discharges rapidly is avoided;
the setting of upwarp limit conveyer belt 23 can avoid metering device to drop from the conveyer belt both sides when carrying, can clear up upwarp limit conveyer belt 23 surface through scraper blade 22 simultaneously, makes the material slide down along scraper blade 22, can avoid weighing good material to bond at upwarp limit conveyer belt 23 surface or drop from the conveyer belt both sides and make the material that gets into in the agitating unit lack two.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A metering device for charging a concrete mixing plant, comprising:
feed bin (1) and installing frame (2), feed bin (1) inside is provided with material chamber (11), first solenoid valve (12) and second solenoid valve (13) are installed to material chamber (11) lower extreme, the bottom welding of feed bin (1) has horizontal support (14), install sensor (15) on horizontal support (14), the upper end and the installing frame (2) of sensor (15) are fixed.
2. A metering device for concrete mixing plant addition as claimed in claim 1, wherein: the inner side of the mounting frame (2) is symmetrically and rotatably provided with a conveying roller (21), and the conveying roller (21) is connected with a tilting edge conveying belt (23).
3. A metering device for concrete mixing plant addition as claimed in claim 1, wherein: the inner side of the mounting frame (2) is welded with a scraping plate (22), and the scraping plate (22) is connected with the inner wall of the edge-tilting conveyer belt (23).
4. A metering device for concrete mixing plant addition as claimed in claim 1, wherein: install first motor (3) on feed bin (1), the rotation axis of first motor (3) is connected with first screw conveying oar (31), and the lower extreme of first screw conveying oar (31) is located first solenoid valve (12) feed end inboard.
5. A metering device for concrete mixing plant addition as claimed in claim 1, wherein: install second motor (4) on feed bin (1), the rotation axis of second motor (4) is connected with second screw conveying oar (41), and the lower extreme of second screw conveying oar (41) is located second solenoid valve (13) feed end inboard.
6. A metering device for concrete mixing plant addition as claimed in claim 1, wherein: the bin (1) is symmetrically provided with hoppers (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320776419.0U CN219686124U (en) | 2023-04-11 | 2023-04-11 | Metering device for feeding concrete mixing plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320776419.0U CN219686124U (en) | 2023-04-11 | 2023-04-11 | Metering device for feeding concrete mixing plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219686124U true CN219686124U (en) | 2023-09-15 |
Family
ID=87939021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320776419.0U Active CN219686124U (en) | 2023-04-11 | 2023-04-11 | Metering device for feeding concrete mixing plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219686124U (en) |
-
2023
- 2023-04-11 CN CN202320776419.0U patent/CN219686124U/en active Active
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