CN118386412A - Concrete batching device and batching method - Google Patents
Concrete batching device and batching method Download PDFInfo
- Publication number
- CN118386412A CN118386412A CN202410872142.0A CN202410872142A CN118386412A CN 118386412 A CN118386412 A CN 118386412A CN 202410872142 A CN202410872142 A CN 202410872142A CN 118386412 A CN118386412 A CN 118386412A
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- blanking
- cavity
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- weighing
- materials
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- 238000000034 method Methods 0.000 title claims abstract description 35
- 239000000463 material Substances 0.000 claims abstract description 131
- 238000003860 storage Methods 0.000 claims abstract description 57
- 238000005303 weighing Methods 0.000 claims description 56
- 238000007599 discharging Methods 0.000 claims description 48
- 230000008569 process Effects 0.000 claims description 23
- 239000004615 ingredient Substances 0.000 claims description 8
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- 238000005054 agglomeration Methods 0.000 description 5
- 230000002776 aggregation Effects 0.000 description 5
- 239000004568 cement Substances 0.000 description 5
- 239000000843 powder Substances 0.000 description 4
- 238000009736 wetting Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 239000012615 aggregate Substances 0.000 description 3
- 230000007306 turnover Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
- B28C7/04—Supplying or proportioning the ingredients
- B28C7/0404—Proportioning
- B28C7/0418—Proportioning control systems therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
- B28C7/04—Supplying or proportioning the ingredients
- B28C7/0422—Weighing predetermined amounts of ingredients, e.g. for consecutive delivery
- B28C7/044—Weighing mechanisms specially adapted therefor; Weighing containers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
- B28C7/04—Supplying or proportioning the ingredients
- B28C7/0481—Plant for proportioning, supplying or batching
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
- B28C7/04—Supplying or proportioning the ingredients
- B28C7/06—Supplying the solid ingredients, e.g. by means of endless conveyors or jigging conveyors
- B28C7/10—Supplying the solid ingredients, e.g. by means of endless conveyors or jigging conveyors by means of rotary members, e.g. inclinable screws
Landscapes
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
Abstract
The utility model provides a concrete dosing unit and batching method, includes feed bin, bleeder table and unloading driver, the bleeder table is fixed to be set up the inside of feed bin, will the cavity separates upper and lower distribution's storage chamber and unloading chamber, just have the intercommunication between bleeder table and the inner wall of feed bin the unloading window of storage chamber and unloading chamber, unloading driver can open/close unloading window, the bleeder table separates the material in the feed bin in the horizontal direction at the side of bleeder table, makes the pressure of feed bin center part material horizontal direction reduce to reduce the possibility of material caking, when the blanking plate valve opened, makes the material in the unloading chamber discharged, and the material that is in the storage chamber still is in the sealed state, can not contact with the moist air of bin outlet department, further reduces the possibility of material caking.
Description
Technical Field
The invention belongs to the technical field of concrete processing, and particularly relates to a concrete batching device and a batching method.
Background
The concrete ingredients play a critical role in concrete production, which together ensure the performance and quality of the concrete, and according to the concrete ingredients, the ingredients generally comprise cement, aggregate, water and additives and admixtures, generally, the cement is used in an amount of 3% -15% of other raw materials, the proportion of sand to aggregate is generally 1:2 or 1:4, and the specific proportion needs to be adjusted according to the actual situation.
At present, raw materials of ingredients of concrete are respectively arranged in different bins, corresponding ingredients are weighed according to requirements and then mixed and stirred together, and due to the fact that a bottom outlet of the bin is often opened in the process of ingredients, materials at the bottom of the bin of some fine powder are affected with damp and agglomerate (such as cement), the problems of unsmooth discharging and blockage are caused when discharging and weighing are solved, and the agglomerated materials also influence the uniformity of subsequent stirring of the materials.
Disclosure of Invention
In view of the above, the present invention creatively employs a concrete batching device and a batching method to solve at least part of the problems set forth in the background art.
The technical scheme adopted is as follows: the embodiment of the invention provides a concrete batching device, which comprises:
the material feeding device comprises a plurality of storage bins which are arranged side by side and are respectively used for containing ingredients of each component of concrete, wherein a cavity for containing materials is formed in each storage bin, and a discharging hopper is arranged at the bottom of each storage bin;
the conveying auger is arranged at the bottoms of the plurality of discharging hoppers and is used for conveying materials discharged by the discharging hoppers;
the pressure dividing table is fixedly arranged in the storage bin, the cavity is divided into a storage cavity and a blanking cavity which are distributed up and down, and a blanking window which is communicated with the storage cavity and the blanking cavity is arranged between the pressure dividing table and the inner wall of the storage bin;
the blanking driver is arranged in the bin and can open/close the blanking window;
The automatic weighing device comprises a discharging hopper, a conveying auger, a plurality of weighing channels, a discharging plate valve, a weighing plate and a weighing plate, wherein the weighing channels are arranged between the discharging hopper and the conveying auger, the discharging plate valve for opening/closing the weighing channels is arranged in the weighing channels, and the weighing plate valve faces one side face of the discharging hopper and is used for weighing materials in the weighing channels.
Further, the blanking driver includes:
the linear actuator is arranged in the storage cavity and/or the blanking cavity;
The baffle plate can be driven by the linear actuator to be far away from or close to the blanking window and is used for opening/closing the blanking window;
The baffle is fixedly provided with a linkage piece on one side face of the baffle, which faces the storage cavity, and when the baffle is far away from or close to the blanking window, the linkage piece can disturb the materials in the storage cavity.
Further, the linear actuator is fixedly arranged on the inner side wall of the storage bin and is positioned in the storage cavity, a connecting rod is fixedly arranged at the output end of the linear actuator, the other end of the connecting rod is fixedly connected with the baffle plate, the baffle plate can be driven by the linear actuator to move along the direction parallel to the axis of the storage bin, and the linkage piece comprises the connecting rod.
Further, the voltage dividing table includes:
The table body is arranged in the bin, and the axis of the table body is overlapped with the axis of the bin;
The retainer is fixedly arranged at the peripheral edge of the table body and used for fixing the table body in the bin;
Wherein the table body is configured to be conical, and the blanking windows are distributed on the retainer.
Further, a cavity is formed in the table body, the cavity is connected with an external air pump device, and the air pump device can supply air or exhaust air to the cavity;
The side wall of the table body, which faces the storage cavity, is provided with a plurality of first air valves, the side wall of the table body, which faces the blanking cavity, is provided with at least one first air valve and one second air valve, the first air valve is arranged to be opened unidirectionally from the cavity to the storage cavity or the blanking cavity, and the second air valve is arranged to be opened unidirectionally from the blanking cavity to the cavity.
Further, the blanking window comprises a first window, a second window and a third window, and the sectional areas of the first window, the second window and the third window are sequentially increased.
Further, the bottom surface of the pressure dividing table is vertical to the plane of the side wall of the storage bin, and the distance between the bottom surface of the pressure dividing table and the discharging hopper is larger than the movable stroke of the discharging driver.
The embodiment of the invention provides a concrete batching method, which uses the concrete batching device and comprises the following steps:
And (3) batching: determining the type and weight Gkg of the materials;
and (3) blanking: respectively blanking the corresponding materials in the bin for N times, wherein the weight of each blanking is G/Nkg, and N is more than 1 and less than 10;
Conveying: the materials of multiple kinds enter the conveying auger for N times, so that the materials of multiple kinds are conveyed into the stirrer for stirring and mixing through the conveying auger in a small quantity for multiple times;
In the blanking step, a blanking window is opened by the blanking driver to enter the blanking cavity, the material falls onto a blanking plate valve to be weighed by a weighing plate, when the weighing weight reaches G/Nkg, the blanking plate valve is opened, the material is discharged into the conveying auger to be conveyed, and the blanking is completed after repeating for N times.
Further, the upper space corresponding to the blanking plate valve in the weighing channel is set to be a weighing cavity, and the maximum weight of materials contained in the weighing cavity is larger than G/Nkg.
Further, in the blanking process, an external air pump device introduces hot air into the pressure dividing table, heats materials near the pressure dividing table, and opens a first air valve at the upper part of the pressure dividing table in a set period to guide the hot air into the materials;
After the blanking is completed, the second air valve at the bottom of the pressure dividing table is opened to pump away air in the blanking cavity, and then the first air valve at the bottom of the pressure dividing table is opened to introduce dry air into the blanking cavity.
The beneficial effects obtained by the invention by adopting the structure are as follows:
Set up the pressure divider in the feed bin, the material in the feed bin is separated in the side of pressure divider in the horizontal direction, make the pressure of feed bin center part material horizontal direction reduce, thereby reduce the possibility of material caking, simultaneously, the pressure divider separates bin inside cavity out and stores chamber and unloading chamber, when the blanking plate valve of lower part is opened, make the material in the unloading chamber discharged, and be in the material in storing the intracavity still and be in sealing state, consequently, can not contact with the humid air of bin outlet department, further reduce the possibility of material caking.
The blanking driver matched with the pressure dividing table is arranged in the storage bin, the blanking driver can open/close the blanking window, and can promote the flow of materials near the blanking window, so that the materials are prevented from being blocked near the blanking window.
Drawings
Fig. 1 is a schematic perspective view of a concrete batching device according to the present invention;
FIG. 2 is a schematic diagram of a semi-sectional structure of a silo according to an embodiment of the invention;
FIG. 3 is a schematic view illustrating an internal structure of a concrete batching apparatus according to the present invention;
FIG. 4 is a schematic cross-sectional view of the structure of FIG. 3 in the direction A-A;
fig. 5 is a schematic sectional view of the structure of fig. 3 in the direction B-B.
Wherein, 10, the feed bin; 100. a chamber; 11. discharging a hopper; 111. a weighing channel; 12. a blanking plate valve; 121. a valve plate; 122. a driver; 13. a weighing plate; 20. conveying the auger; 21. a motor; 22. a delivery cylinder; 221. a feed opening; 23. auger rollers; 30. a pressure dividing table; 300. a cavity; 31. a table body; 32. a retainer; 321. a first window; 322. a second window; 323. a third window; 33. a first air valve; 34. a second air valve; 40. a blanking driver; 401. a guide cover; 41. a linear actuator; 411. a connecting rod; 42. a baffle; 421. a first baffle; 422. a second baffle; 423. and a third baffle.
The accompanying drawings are included to provide a further understanding of embodiments and are incorporated in and constitute a part of this specification, illustrate and not limit the embodiments.
Detailed Description
The following description of the embodiments will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention; all other embodiments, based on the embodiments, which a person of ordinary skill in the art would achieve without inventive faculty, are intended to be within the scope of protection.
In the description of the embodiments, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate an orientation or a positional relationship based on that shown in the drawings, merely to facilitate description of the embodiments and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and thus should not be construed as limiting the embodiments.
As shown in fig. 1, in the embodiment of the present invention, there is provided a concrete batching apparatus including a bin 10 and a conveying auger 20, wherein the bin 10 is provided with a plurality of bins 10 arranged side by side according to the kinds of each component batching, for example, cement, aggregate, water, and additives and admixtures, respectively, and one bin 10 is separately provided, and in some embodiments, the bin 10 adopts a quadrangular cylindrical bin or a cylindrical bin, and it is understood that a sealing cover (not shown in the drawing) is provided on the top of the bin, so as to keep the material in the bin 10 from being wetted by rainwater or other moisture at the upper portion, a chamber 100 for containing the material is provided inside the bin 10, and a discharging hopper 11 is provided at the bottom.
Further, the conveying auger 20 is arranged at the bottoms of the plurality of discharging hoppers 11 and is used for conveying materials discharged by the discharging hoppers 11, wherein the conveying auger 20 comprises a conveying cylinder 22 communicated with the plurality of discharging hoppers 11, an auger roller 23 is arranged in the conveying cylinder 22, one end of the conveying cylinder 22 is fixedly provided with a motor 21 connected with an external power supply, and when the conveying cylinder is used, the motor 21 can drive the auger roller 23 to rotate, and materials in the conveying cylinder 22 are led out from a discharging opening 221 to the mixer to be mixed.
As shown in fig. 2, a plurality of weighing channels 111 are arranged between the discharging hopper 11 and the conveying auger 20, a discharging plate valve 12 for opening/closing the weighing channels 111 is arranged in the weighing channels 111, a weighing plate 13 for weighing materials in the weighing channels 111 is arranged on one side surface of the discharging plate valve 12 facing the discharging hopper 11, so that the materials falling from the discharging hopper 11 can be piled on the weighing plate 13 on the upper part of the discharging plate valve 12, the piled materials are weighed by the weighing plate 13, when the weighing amount reaches a set target, the discharging plate valve 12 is opened, the materials in the weighing channels 111 are discharged, and the purpose of accurate discharging is achieved.
In some embodiments, the blanking plate valve 12 adopts a turnover plate valve, the blanking plate valve 12 comprises a valve plate 121 capable of turnover in the weighing channel 111 and a driver 122 for driving the valve plate 121 to turn over, the driver 122 consists of a servo motor and a speed reducer, the valve plate 121 can be driven to move between a horizontal position (for blocking the weighing channel 111) and a vertical position (for opening the weighing channel 111), the weighing plate 13 adopts a plate type weighing scale, and the weighing plate comprises a resistance strain type weighing sensor or a capacitance type weighing sensor, so that materials on the upper part of the weighing plate 13 can be accurately weighed.
The lower parts of the existing storage bins 10 are all arranged to be conical-pointed, materials are piled up at the conical-pointed parts, and the bottom outlets of the storage bins 10 are frequently opened in the batching process, so that the materials at the bottoms of the storage bins 10 of some fine crushing powder materials are wetted and agglomerated (such as cement), and therefore, the batching device provided by the embodiment of the invention further comprises a pressure dividing table 30, and aims to reduce the pressure of the materials at the lower parts of the storage bins 10, avoid the agglomeration of the materials and improve the fluency of the material flow.
As shown in fig. 2 and 3, the pressure dividing table 30 is fixedly arranged in the bin 10 to divide the chamber 100 into a storage cavity and a discharging cavity which are distributed up and down, and a discharging window which is communicated with the storage cavity and the discharging cavity is arranged between the pressure dividing table 30 and the inner wall of the bin 10.
In this way, the material in the bin 10 is separated above the pressure dividing table 30, so that the pressure in the horizontal direction of the material in the central part of the bin 10 is reduced, the possibility of material agglomeration is reduced, and when the lower blanking plate valve 12 is opened, the material in the blanking cavity is discharged, and the material in the storage cavity is still in a sealed state, so that the material cannot be contacted with moist air at the discharge port, and the possibility of material agglomeration is further reduced.
The blanking process and the weighing process of the materials in the storage bin 10 can be performed step by step, in the blanking process, the blanking plate valve 12 at the lower part is in a closed state, the materials discharged in the process reach the blanking cavity, external moisture is blocked by the blanking plate valve 12, after the blanking process is finished, the blanking window is closed, the blanking plate valve 12 is opened subsequently, the weighed materials are discharged, moisture still cannot enter the storage bin 10 in the discharging process of the materials, and therefore, compared with the existing discharging process, the step-by-step blanking can ensure that the storage bin 10 is always in a dry state, and the internal materials are prevented from being wetted and agglomerated.
Further, the pressure dividing table 30 includes a table body 31 and a holder 32, the table body 31 is disposed in the interior of the bin 10, and the axis of the table body 31 coincides with the axis of the bin 10, and the holder 32 is fixedly disposed at the peripheral edge of the table body 31 and is used for fixing the table body 31 in the interior of the bin 10, since the table body 31 is configured as a cone or a semicircle, the material can be uniformly guided to the peripheral portion of the table body 31, and the pressure is dispersed to the peripheral side, thereby avoiding the accumulation of the material in the central portion.
In some embodiments, two or more pressure dividing tables 30 may be further disposed in the height direction, and in the multi-layer step pressure dividing table 30 of the storage bin 10, not only the pressure applied to the material in the horizontal direction but also the pressure applied to the material in the vertical direction may be reduced, generally, the pressure applied to the material in the conical tip portion at the bottom of the storage bin 10 is the greatest, and after one or more pressure dividing tables 30 are disposed at the bottom end of the storage bin 10, the multi-layer step pressure dividing table 30 may divide the material, so as to ensure that the material at the bottom does not directly bear the pressure from the upper portion, and further avoid the agglomeration of the material under the conditions of compression and wetting.
Furthermore, in order to avoid the material from being wet in the storage cavity, the cavity 300 is arranged in the platform body 31, the cavity 300 is connected with an external air pump device, and the air pump device can supply air or exhaust air to the interior of the cavity 300, so that the air pump device can introduce low-temperature hot air at 40-60 ℃ into the cavity 300, and the platform body 31 is heated by the low-temperature hot air, so that the water vapor in the material near the platform body 31 can be dried, and the possibility of the material with large pressure in the part being wet and agglomerated is avoided.
As shown in fig. 4 and 5, in some embodiments, a plurality of first air valves 33 are disposed on a side wall of the table body 31 facing the storage cavity, at least one first air valve 33 and one second air valve 34 are disposed on a side wall of the table body 31 facing the blanking cavity, the first air valve 33 is configured to be opened unidirectionally from the cavity 300 to the storage cavity or the blanking cavity, and the second air valve 34 is configured to be opened unidirectionally from the blanking cavity to the cavity 300.
In the blanking process, the external air pump device can guide hot air into the cavity 300 in the pressure dividing table 30, heat the materials near the pressure dividing table 30, so that the materials near the table body 31 can be dried, and the possibility of wetting and caking is avoided.
Meanwhile, the first air valve 33 can guide low-temperature air in the pressure dividing table 30 to the material on the upper portion of the pressure dividing table 30, so that the material is discharged after being dispersed, the first air valves 33 distributed on the pressure dividing table 30 can be opened in a set sequence or randomly so as to achieve the purpose of promoting smooth material discharge, when the material is required to be discharged, the first air valves 33 on the upper portion of the pressure dividing table 30 are set for example, the opening period of the first air valves 33 on the upper portion of the pressure dividing table 30 is set, so that the hot air is periodically guided into the material on the upper portion of the pressure dividing table 30, the effects of scattering the material and dehumidifying the material are achieved, the material can flow more smoothly in the material discharging process, the material is kept to flow in a powder state, the material agglomeration is avoided, and the uniformity of mixing with other materials in the later stirring process is affected.
After the blanking is finished, the second air valve 34 at the bottom of the pressure dividing table 30 is opened to pump away air in the blanking cavity, then the first air valve 33 at the bottom of the pressure dividing table 30 is opened to introduce dry air into the blanking cavity, so that the air in the blanking cavity can be kept dry, in this way, moist air is prevented from entering the blanking cavity in the blanking process, and when the blanking window is opened, the moist air enters the storage cavity along the blanking window, and the possibility of wetting the material in the bin 10 is further reduced.
As shown in fig. 4 and 5, the blanking windows are distributed on the retainer 32, and the blanking windows include a first window 321, a second window 322 and a third window 323, and the cross-sectional areas of the first window 321, the second window 322 and the third window 323 are sequentially increased, so that the blanking speed can be adjusted by selectively opening one or more of the first windows 321, the second windows 322 and the third windows 323 according to the quantity of the required blanking, the blanking precision can be improved, for example, 10kg of the single blanking material is taken as an example, and the second windows 322 and/or the third windows 323 can be opened before 9kg of the weighing plate 13 are weighed to achieve better precision, so that the blanking speed can be improved, but after the weighed weight reaches 9kg, the second windows 322 and/or the third windows 323 with relatively large areas are closed, the first windows 321 with small areas are selectively opened, and the last 1kg of the material is discharged through the blanking windows with small areas, so that the blanking speed in unit time can be reduced, and the precision of each blanking can be ensured.
As shown in fig. 2 and 3, a discharging driver 40 is provided inside the bin 10 and can open/close a discharging window, and the discharging driver 40 includes a linear actuator 41 and a shutter 42.
Wherein the linear actuator 41 is disposed in the storage chamber and/or the discharging chamber, the shutter 42 can be driven by the linear actuator 41 to be far from or near to the discharging window for opening/closing the discharging window, and accordingly, the shutter 42 is provided with a first shutter 421, a second shutter 422 and a third shutter 423 according to the first window 321, the second window 322 and the third window 323.
Further, in order to enable the baffle 42 to move, the flow of the material near the blanking window can be promoted, the baffle 42 is fixedly provided with a linkage member on one side face facing the storage cavity, the linkage member is generally in a column shape or a plate shape, and when the baffle 42 is far away from or close to the blanking window, the linkage member can disturb the material in the storage cavity, so that the material is promoted to flow out of the blanking window, and therefore, the blanking driver 40 can promote the flow of the material near the blanking window, and the material is prevented from being blocked near the blanking window.
As shown in fig. 2 and 3, in some embodiments, the linear actuator 41 is fixedly disposed on the inner sidewall of the bin 10 and is located in the storage cavity, in order to avoid accumulation of materials on the linear actuator 41, the top of the linear actuator 41 is provided with a guide cover 401, the flow direction of the materials is streamline, so that the materials cannot be accumulated on the guide cover 401, the output end of the linear actuator 41 is fixedly provided with a connecting rod 411, and the other end of the connecting rod 411 is fixedly connected with a baffle 42, so that the baffle 42 can be driven by the linear actuator 41 to move along a direction parallel to the axis of the bin 10.
Further, the linkage member includes a connecting rod 411, the linear actuator 41 adopts a pneumatic or electric actuator, and can drive the connecting rod 411 to move in a telescopic manner, when the baffle 42 is separated from the blanking window, the blanking window is opened, and in the moving process of the baffle 42, the connecting rod 411 can drive materials in a linkage manner, so that the materials in the storage cavity can flow from the blanking window to the blanking cavity, and are accumulated on the weighing plate 13 to be weighed, when the weighed weight is about to reach the preset weight, the larger-area blanking window is closed, and the small-area blanking window is reserved, so that the blanking speed is slowed down, and when the weighed weight reaches the preset weight, the blanking window is completely closed, and the blanking weight can be precisely controlled.
Furthermore, the bottom surface of the pressure dividing table 30 is configured to be a plane perpendicular to the sidewall of the bin 10, so that each part on the peripheral side of the pressure dividing table 30 can be kept to be similarly stressed in the horizontal and vertical directions, and the distance between the bottom surface of the pressure dividing table 30 and the blanking hopper 11 is larger than the movable stroke of the blanking driver 40, so that the baffle 42 can be prevented from being interfered by the blanking hopper 11 when moving downwards.
The invention provides a concrete batching method, which uses the concrete batching device and comprises the following steps:
And (3) batching: if the material type and the weight Gkg are determined, for example, the material type contains five kinds, the corresponding five bins 10 are opened, and the weights of the five kinds of materials are G1kg, G2kg, G3kg, G4kg and G5kg respectively.
And (3) blanking: respectively blanking the materials in the corresponding bin 10 for N times, wherein the weight of each blanking is G/Nkg, and N is more than 1 and less than 10; i.e. one total blanking step comprises N stepwise blanking steps.
The first time blanking, the material in the storage cavity is opened by the blanking driver 40 and enters the blanking cavity, and falls onto the blanking plate valve 12 to be weighed by the weighing plate 13, when the weighed weight is about to reach the preset weight, the blanking window with a larger area is closed, and the blanking window with a small area is reserved, so that the blanking speed is slowed down, when the weighed weight reaches G/Nkg, the blanking window is completely closed, the weight of the blanking can be accurately controlled, then the blanking plate valve 12 is opened, the material with the weight of G/Nkg is discharged into the conveying auger 20 to be conveyed, and then the five materials respectively enter the conveying auger 20 with the weights of G1/Nkg, G2/Nkg, G3/Nkg, G4/Nkg and G5/Nkg.
And repeating the first blanking process for the second blanking until repeating the blanking process for N times, and completing the total blanking step.
Conveying: the materials of a plurality of types enter the conveying auger 20 for N times, so that the materials of a plurality of types are conveyed to the stirrer for stirring and mixing through the conveying auger 20 in a small quantity for many times, the mixing speed can be increased, and meanwhile, the situation that the materials are accumulated and blocked on the conveying auger 20 is avoided.
Further, the upper space corresponding to the blanking plate valve 12 in the weighing channel 111 is set as a weighing cavity, and the maximum weight of the materials in the weighing cavity is greater than G/Nkg, so that the excessive materials can be prevented from being accumulated in the blanking hopper 11, and the accuracy of weighing data can be prevented from being influenced.
Further, in the blanking process, the external air pump device introduces hot air into the pressure dividing table 30, heats the material near the pressure dividing table 30, so that the material near the table body 31 can be dried, the possibility of damp and caking is avoided, and the hot air is guided into the material by opening the first air valve 33 at the upper part of the pressure dividing table 30 in a set period, so that the effects of scattering the material and dehumidifying the material are achieved, the material can flow more smoothly in the blanking process, the material is kept flowing in a powder state, the caking of the material is avoided, and the uniformity of mixing with other materials in the later stirring process is affected.
After the blanking is completed, the second air valve 34 at the bottom of the pressure dividing table 30 is opened to pump away the air in the blanking cavity, and then the first air valve 33 at the bottom of the pressure dividing table 30 is opened to introduce the dry air into the blanking cavity, so that the air in the blanking cavity can be kept dry, and the possibility of wetting the material is further reduced.
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 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, the scope of which is defined in the appended claims and their equivalents.
The embodiments have been described above without limitation, and only one of the embodiments is shown in the drawings, and the actual structure is not limited thereto. In summary, if one of ordinary skill in the art is informed by the disclosure, a structural manner and an embodiment similar to the technical scheme are not creatively designed without departing from the gist of the invention, and the structural manner and the embodiment are all in the protection scope.
Claims (10)
1. A concrete batching apparatus, comprising:
The concrete discharging device comprises a plurality of storage bins (10) which are arranged side by side and are respectively used for containing ingredients of each component of concrete, a cavity (100) for containing materials is formed in each storage bin (10), and a discharging hopper (11) is arranged at the bottom of each storage bin;
The pressure dividing table (30) is fixedly arranged in the storage bin (10) and divides the chamber (100) into a storage cavity and a blanking cavity which are distributed up and down, and a blanking window which is communicated with the storage cavity and the blanking cavity is arranged between the pressure dividing table (30) and the inner wall of the storage bin (10);
A discharging driver (40) which is arranged in the bin (10) and can open/close the discharging window;
A conveying auger (20) arranged at the bottoms of the plurality of discharging hoppers (11) and used for conveying materials discharged from the discharging hoppers (11);
A plurality of weighing channels (111) are arranged between the discharging hopper (11) and the conveying auger (20), a discharging plate valve (12) for opening/closing the weighing channels (111) is arranged in the weighing channels (111), and a weighing plate (13) for weighing materials in the weighing channels (111) is arranged on one side face of the discharging plate valve (12) facing the discharging hopper (11).
2. The concrete batching device according to claim 1, wherein: the blanking driver (40) includes:
the linear actuator (41) is arranged in the storage cavity and/or the blanking cavity;
a shutter (42) which can be driven by the linear actuator (41) to be far away from or close to the blanking window for opening/closing the blanking window;
Wherein, baffle (42) orientation is equipped with the interlock spare on the side of storing the chamber fixedly, and when baffle (42) are kept away from or are close to the unloading window, the interlock spare can disturb the material in the storing chamber.
3. The concrete batching device according to claim 2, wherein: the linear actuator (41) is fixedly arranged on the inner side wall of the storage bin (10) and is positioned in the storage cavity, a connecting rod (411) is fixedly arranged at the output end of the linear actuator (41), the other end of the connecting rod (411) is fixedly connected with the baffle (42), the baffle (42) can be driven by the linear actuator (41) to move along the direction parallel to the axis of the storage bin (10), and the linkage piece comprises the connecting rod (411).
4. The concrete batching device according to claim 1, wherein: the partial pressure stage (30) includes:
a table body (31) which is arranged in the bin (10), and the axis of the table body (31) is overlapped with the axis of the bin (10);
a holder (32) fixedly provided on the peripheral edge of the table body (31) and configured to fix the table body (31) inside the bin (10);
wherein the table body (31) is configured to be conical, and the blanking windows are distributed on the retainer (32).
5. The concrete batching device according to claim 4, wherein: a cavity (300) is formed in the table body (31), the cavity (300) is connected with an external air pump device, and the air pump device can supply air or exhaust air to the interior of the cavity (300);
The novel blanking device is characterized in that a plurality of first air valves (33) are arranged on the side wall of the table body (31) facing the storage cavity, at least one first air valve (33) and one second air valve (34) are arranged on the side wall of the table body (31) facing the blanking cavity, the first air valve (33) is arranged to be opened unidirectionally from the cavity (300) to the storage cavity or the blanking cavity, and the second air valve (34) is arranged to be opened unidirectionally from the blanking cavity to the cavity (300).
6. The concrete batching device according to any one of claims 1 to 5, wherein: the blanking window comprises a first window (321), a second window (322) and a third window (323), and the sectional areas of the first window (321), the second window (322) and the third window (323) are sequentially increased.
7. The concrete batching device according to claim 6, wherein: the bottom surface of the pressure dividing table (30) is vertical to the plane of the side wall of the storage bin (10), and the distance between the bottom surface of the pressure dividing table (30) and the blanking hopper (11) is larger than the movable stroke of the blanking driver (40).
8. A concrete batching method is characterized in that: use of a concrete batching plant according to any of the claims 1 to 7, comprising the steps of:
And (3) batching: determining the type and weight Gkg of the materials;
And (3) blanking: respectively blanking the materials in the corresponding bin (10) for N times, wherein the weight of each blanking is G/Nkg, and N is more than 1 and less than 10;
conveying: the materials of multiple kinds enter the conveying auger (20) for N times, so that the materials of multiple kinds are conveyed into the stirrer for stirring and mixing through the conveying auger (20) in a small quantity for multiple times;
In the blanking step, a blanking window is opened by the blanking driver (40) to enter the blanking cavity, the material falls onto the blanking plate valve (12) to be weighed by the weighing plate (13), when the weighing weight reaches G/Nkg, the blanking plate valve (12) is opened, the material is discharged into the conveying auger (20) to be conveyed, and the blanking is completed after repeating for N times.
9. The concrete batching method according to claim 8, wherein: the upper space in the weighing channel (111) corresponding to the blanking plate valve (12) is set to be a weighing cavity, and the maximum weight of materials in the weighing cavity is larger than G/Nkg.
10. The concrete batching method according to claim 8, wherein: in the blanking process, an external air pump device introduces hot air into the partial pressure table (30), heats materials near the partial pressure table (30), and opens a first air valve (33) at the upper part of the partial pressure table (30) in a set period to guide the hot air into the materials;
After the blanking is completed, a second air valve (34) at the bottom of the pressure dividing table (30) is opened to pump air in the blanking cavity away, and then a first air valve (33) at the bottom of the pressure dividing table (30) is opened to introduce dry air into the blanking cavity.
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| CN209491973U (en) * | 2018-12-04 | 2019-10-15 | 中建西部建设(天津)有限公司 | A kind of concrete material feed proportioning system |
| CN112356294A (en) * | 2020-10-15 | 2021-02-12 | 安吉龙港混凝土制品有限公司 | Light foam concrete processing system and processing technology |
| CN213055399U (en) * | 2020-07-23 | 2021-04-27 | 山东林民公路材料有限公司 | Concrete discharging system capable of improving accurate proportioning degree |
| CN217072895U (en) * | 2021-12-31 | 2022-07-29 | 武汉鑫云海混凝土有限公司 | Concrete proportioning machine capable of accurately feeding materials |
| CN115351920A (en) * | 2022-09-19 | 2022-11-18 | 灌南县水利建筑工程有限公司 | Preparation device and preparation process of hydraulic high-strength self-compacting concrete |
| CN219788826U (en) * | 2023-05-17 | 2023-10-03 | 遂宁市春晖建材有限公司 | Concrete batching machine |
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN209491973U (en) * | 2018-12-04 | 2019-10-15 | 中建西部建设(天津)有限公司 | A kind of concrete material feed proportioning system |
| CN213055399U (en) * | 2020-07-23 | 2021-04-27 | 山东林民公路材料有限公司 | Concrete discharging system capable of improving accurate proportioning degree |
| CN112356294A (en) * | 2020-10-15 | 2021-02-12 | 安吉龙港混凝土制品有限公司 | Light foam concrete processing system and processing technology |
| CN217072895U (en) * | 2021-12-31 | 2022-07-29 | 武汉鑫云海混凝土有限公司 | Concrete proportioning machine capable of accurately feeding materials |
| CN115351920A (en) * | 2022-09-19 | 2022-11-18 | 灌南县水利建筑工程有限公司 | Preparation device and preparation process of hydraulic high-strength self-compacting concrete |
| CN219788826U (en) * | 2023-05-17 | 2023-10-03 | 遂宁市春晖建材有限公司 | Concrete batching machine |
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