CN111283876A - Concrete batching and stirring system for laboratory - Google Patents

Concrete batching and stirring system for laboratory Download PDF

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Publication number
CN111283876A
CN111283876A CN202010328467.4A CN202010328467A CN111283876A CN 111283876 A CN111283876 A CN 111283876A CN 202010328467 A CN202010328467 A CN 202010328467A CN 111283876 A CN111283876 A CN 111283876A
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CN
China
Prior art keywords
weighing
platform
hopper
conveying pipe
stirrer
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.)
Pending
Application number
CN202010328467.4A
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Chinese (zh)
Inventor
于晓东
武耀华
张长杨
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tangshan Caofeidian Twenty Two Mcc Engineering Technology Co ltd
Original Assignee
Tangshan Caofeidian Twenty Two Mcc Engineering Technology Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Tangshan Caofeidian Twenty Two Mcc Engineering Technology Co ltd filed Critical Tangshan Caofeidian Twenty Two Mcc Engineering Technology Co ltd
Priority to CN202010328467.4A priority Critical patent/CN111283876A/en
Publication of CN111283876A publication Critical patent/CN111283876A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • B28C7/0404—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
    • B28C7/06—Supplying the solid ingredients, e.g. by means of endless conveyors or jigging conveyors
    • 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
    • B28C7/12—Supplying or proportioning liquid ingredients
    • 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
    • B28C7/12—Supplying or proportioning liquid ingredients
    • B28C7/126—Supply means, e.g. nozzles
    • B28C7/128—Nozzles; Valves; Valve-actuating means

Landscapes

  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)

Abstract

The invention relates to the field of concrete tests, in particular to a concrete batching and stirring system for a laboratory. The support is provided with a weighing platform and a feeding platform, the feeding platform is arranged above the weighing platform, and a stirrer is arranged below the weighing platform; six feeding hoppers are fixedly arranged on the feeding platform, weighing hoppers are arranged on the weighing platform, and the weighing sensors are arranged between the weighing platform and the weighing hoppers; a discharge port at the lower end of each charging hopper is respectively connected with a first material conveying pipe, and a pipe orifice at the lower end of the first material conveying pipe is communicated with the weighing hopper and extends to a certain distance below an end cover of the weighing hopper; a discharge port of the weighing hopper is connected with a second conveying pipe, and a pipe orifice at the lower end of the second conveying pipe is communicated with the stirrer; electromagnetic valves are respectively arranged at the discharge port of the weighing hopper and the discharge port of the charging hopper; and a logic controller is arranged in the control cabinet. The automatic weighing, proportioning and metering are accurate, and the test efficiency is effectively improved; can avoid dust pollution during the test and reduce the incidence of occupational diseases.

Description

Concrete batching and stirring system for laboratory
Technical Field
The invention relates to the field of concrete tests, in particular to a concrete batching and stirring system for a laboratory.
Background
At present, in a concrete trial test, generally adopted experimental steps are as follows: proportioning calculation, weighing materials item by item, manually pouring the mixture into a stirrer, and stirring. In the weighing and feeding processes, materials such as cement, fly ash, ore powder sand, stone and the like generate a large amount of dust, so that the respiratory tract of a tester is greatly polluted, and occupational diseases such as silicosis and the like can be caused in serious cases. On the other hand, the workload of the concrete trial test is very large, the manual weighing efficiency is low, the wrong materials are easily weighed, and the manpower and material resources are wasted.
Disclosure of Invention
In order to solve the problems, improve the working environment of concrete testing personnel and improve the working efficiency, the invention provides a concrete batching and stirring system for a laboratory, which can automatically carry out batching and complete stirring according to the proportioning requirement, and a use method thereof.
In order to achieve the purpose, the invention adopts the technical scheme that:
a concrete automatic batching and stirring system for a laboratory comprises a stirrer, a weighing hopper and a feeding hopper, wherein corresponding end covers are respectively covered on openings at the upper parts of the feeding hopper, the weighing hopper and the stirrer, the concrete automatic batching and stirring system also comprises an electromagnetic valve, a weighing sensor, a support and a control cabinet, the support is provided with a weighing platform and a feeding platform, the feeding platform is arranged above the weighing platform, and the stirrer is arranged below the weighing platform; six feeding hoppers are fixedly arranged on the feeding platform, weighing hoppers are arranged on the weighing platform, and the weighing sensors are arranged between the weighing platform and the weighing hoppers;
a discharge port at the lower end of each charging hopper is respectively connected with a first material conveying pipe, and a pipe orifice at the lower end of the first material conveying pipe is communicated with the weighing hopper and extends to a certain distance below an end cover of the weighing hopper; a discharge port of the weighing hopper is connected with a second conveying pipe, and a pipe orifice at the lower end of the second conveying pipe is communicated with the stirrer;
electromagnetic valves are respectively arranged at the discharge port of the weighing hopper and the discharge port of the charging hopper; and a logic controller is arranged in the control cabinet, and the logic controller is connected with the stirrer, the weighing sensor and the electromagnetic valves at all positions through leads.
Compared with the prior art, the invention has the beneficial effects that:
the weighing hopper is arranged below the feeding hopper, the discharge end of the feeding hopper is provided with the electromagnetic valve, the weighing sensor is arranged between the weighing hopper and the weighing platform, and automatic weighing is realized under the action of the control cabinet; an electromagnetic valve is arranged at the discharge end of the weighing hopper, and automatic feeding is realized under the action of a control cabinet; the automatic weighing and automatic feeding are realized, the operation time is greatly shortened, meanwhile, the feeding of personnel is not needed, the intervention of personnel is not needed in the weighing process, the influence on the health of operators is eliminated, the automatic weighing and proportioning metering are accurate, and the test efficiency is effectively improved; the material is carried in the closed formula in the system, dust pollution when can avoiding experimental, reduces the incidence of occupational disease.
The invention is further improved, and the improved scheme is as follows:
furthermore, the first material conveying pipe and the second material conveying pipe are respectively provided with a telescopic corrugated pipe; an opening end cover at the upper part of the stirrer is fixedly connected with the second conveying pipeline, and a water filling port is arranged on the opening end cover at the upper part of the stirrer.
Furthermore, six loading hoppers fixedly installed on the loading platform are arranged in two rows and three columns, and the rows/columns are arranged at equal intervals.
Drawings
Fig. 1 is a schematic structural view of embodiment 1 of the present invention.
Fig. 2 is a left side view of embodiment 1 of the present invention (steps and guard rails are omitted).
FIG. 3 is a schematic view of the hopper layout of example 1 of the present invention.
In the figure: a stirrer 1; a weighing hopper 2; a hopper 3; an electromagnetic valve 4; a weighing sensor 5; a bracket 6; 6-1 of a feeding platform; a weighing platform 6-2; a control cabinet 7; a water filling port 8; a first feed delivery pipe 9; a step 10; a guard rail 11; a second feed conveyor pipe 12.
The specific implementation mode is as follows:
the invention will be further illustrated by the following examples, which are intended only for a better understanding of the present invention and therefore do not limit the scope of the invention.
Example 1:
six feeding hoppers 3 on the feeding platform 6-1 of the embodiment are arranged in two rows and three columns, and coarse sand, pebbles, fine sand, cement, mineral powder and fly ash are respectively and independently contained in the feeding hoppers 3; the charging hopper 3 is fixed on a charging platform 6-1 of the bracket 6 by welding. The weighing hopper 2 is arranged on the weighing platform 6-2, the upper end of the weighing hopper 2 is provided with a flange, and the weighing sensor is arranged below the flange of the weighing hopper 2 and the platform bracket 6 of the weighing hopper 2 according to the flange and is fixedly arranged on the weighing platform 6-2. A guard rail 11 is arranged on the weighing platform 6-2 and a step 10 leading to the charging platform 6-1 is arranged on one side of the charging platform.
A first material conveying pipe 9 (which may be connected by a flange or a bolt, or may be clamped and fixed by a pipe hoop) is fixedly connected to the discharge port at the lower end of each hopper 3. A second material conveying pipe 12 is arranged at the discharge port of the weighing hopper 2, and the second material conveying pipe 12 is communicated with the stirring machine 1 (note that the lower port of the second material conveying pipe 12 is not lower than the lower surface of the upper end cover of the stirring machine 1, so as to avoid the situation that the second material conveying pipe 12 is crushed by the stirring machine 1). The size of the mixer 1 in this example was 60L. Sealing gaskets are arranged between the upper openings and the end covers of the charging hopper 3, the weighing hopper 2 and the stirring machine 1, and sealing treatment (such as sealing tape) is carried out at the joint of the first conveying pipeline 9 and the second conveying pipeline 12 and each end cover. So as to prevent the escape of dust during the process of proportioning and stirring.
A logic controller (in this embodiment, a PLC) is disposed in the control cabinet 7, and a touch screen is embedded on a panel of the control cabinet 7. The touch screen is connected with the PLC, and the PLC is connected with the drive of the stirrer 1 and each electromagnetic valve 4 and controls the opening and closing of the electromagnetic valves 4. The manual start-stop button and the emergency stop button of the manual control stirring machine 1 are arranged on a control panel of the control cabinet 7.
Example 2:
the difference between example 2 and example 1 is: the first material conveying pipe 9 and the second material conveying pipe 12 are respectively made of telescopic corrugated pipes; an upper opening end cover of the stirring machine 1 is fixedly connected with a second material conveying pipe 12, and a water filling port 8 is arranged on the upper end cover of the stirring machine 1. A lifting ring and a handle are arranged on an end cover of the stirrer 1, a lifting hook is arranged below the weighing platform 6-2, the lifting hook extends to the vertical middle position of the second conveying pipeline 12, and the position of the lifting hook corresponds to the lifting ring; after the stirring of the stirrer 1 is finished, the end cover of the stirrer 1 can be manually lifted and hung on a lifting hook below the weighing platform 6-2 by using a lifting ring on the end cover. The same points of embodiment 2 as embodiment 1 will not be described again.
In order to improve the mixing of the materials in the weighing hopper 2, the layout of the charging hoppers 3 can be changed as required, for example, six charging hoppers 3 are uniformly distributed in the circumferential direction. In order to further improve the automation degree of the system, an electric control ball valve and a flow meter can be added at the upper cover water filling port 8, and automatic water filling is realized under the control of a PLC.
The concrete manufacturing operation of the laboratory concrete automatic batching and stirring system provided by the invention comprises the following steps:
step one, checking whether materials (coarse sand, stones, fine sand, cement, mineral powder and fly ash) contained in each hopper 3 are sufficient, and artificially supplementing the insufficient materials; and water and additives are added into the stirrer 1 according to the required amount of the mixture ratio.
Step two, setting the proportioning parameters of all the materials on the control cabinet 7, and starting the system after the proportioning parameters are set; under the action of a controller in a control cabinet 7, a preset material adding sequence is installed, an electromagnetic valve 4 of a corresponding hopper 3 is opened to convey materials into a weighing hopper 2, and when a detection value of a container sensor is equal to a preset proportioning value, the electromagnetic valve 4 of the hopper 3 is closed; and weighing the rest materials in sequence.
Step three, after the materials are weighed and proportioned, the electromagnetic valves 4 of all the charging hoppers 3 are in a closed state; and opening the electromagnetic valve 4 of the weighing hopper 2, conveying the mixed materials into the stirrer 1, and closing the electromagnetic valve 4 of the weighing hopper 2 after discharging.
And step four, starting the stirrer 1, uniformly mixing the mixed material, the added water and the additive, and stopping stirring by the stirrer 1 after the preset stirring time is reached.
And step five, manually lifting the upper cover of the stirrer 1, and rotating the stirrer 1 to pour out the stirred concrete, so that the operation is finished.
The automatic batching and stirring device can realize automatic batching and stirring in the concrete test, does not need a large amount of manual weighing and feeding, and can effectively improve the test efficiency. Simple structure, the measurement is accurate, simultaneously, dust pollution when can avoiding experimental reduces the incidence of occupational disease. Can be widely applied to the field of commercial concrete tests.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the present invention, which is defined in the appended claims.

Claims (3)

1. The utility model provides a concrete batching mixing system is used in laboratory, includes mixer, weighing hopper and loading hopper, weighing hopper and mixer three's upper portion opening part buckle closure has corresponding end cover, its characterized in that respectively: the automatic feeding device is characterized by also comprising an electromagnetic valve, a weighing sensor, a bracket and a control cabinet, wherein the bracket is provided with a weighing platform and a feeding platform, the feeding platform is arranged above the weighing platform, and a stirrer is arranged below the weighing platform; six feeding hoppers are fixedly arranged on the feeding platform, weighing hoppers are arranged on the weighing platform, and the weighing sensors are arranged between the weighing platform and the weighing hoppers;
a discharge port at the lower end of each charging hopper is respectively connected with a first material conveying pipe, and a pipe orifice at the lower end of the first material conveying pipe is communicated with the weighing hopper and extends to a certain distance below an end cover of the weighing hopper; a discharge port of the weighing hopper is connected with a second conveying pipe, and a pipe orifice at the lower end of the second conveying pipe is communicated with the stirrer;
electromagnetic valves are respectively arranged at the discharge port of the weighing hopper and the discharge port of the charging hopper; and a logic controller is arranged in the control cabinet, and the logic controller is connected with the stirrer, the weighing sensor and the electromagnetic valves at all positions through leads.
2. The laboratory concrete batch mixing system of claim 1, wherein: the first material conveying pipe and the second material conveying pipe are respectively provided with a telescopic corrugated pipe; an opening end cover at the upper part of the stirrer is fixedly connected with the second conveying pipeline, and a water filling port is arranged on the opening end cover at the upper part of the stirrer.
3. The laboratory concrete batching and mixing system according to claim 2, wherein: six loading hoppers fixedly installed on the loading platform are arranged in two rows and three columns, and the rows/columns are arranged at equal intervals.
CN202010328467.4A 2020-04-23 2020-04-23 Concrete batching and stirring system for laboratory Pending CN111283876A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010328467.4A CN111283876A (en) 2020-04-23 2020-04-23 Concrete batching and stirring system for laboratory

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010328467.4A CN111283876A (en) 2020-04-23 2020-04-23 Concrete batching and stirring system for laboratory

Publications (1)

Publication Number Publication Date
CN111283876A true CN111283876A (en) 2020-06-16

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ID=71021010

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010328467.4A Pending CN111283876A (en) 2020-04-23 2020-04-23 Concrete batching and stirring system for laboratory

Country Status (1)

Country Link
CN (1) CN111283876A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113252432A (en) * 2021-05-19 2021-08-13 贵州大学 Laboratory concrete test piece standardization and automatic preparation device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113252432A (en) * 2021-05-19 2021-08-13 贵州大学 Laboratory concrete test piece standardization and automatic preparation device
CN113252432B (en) * 2021-05-19 2024-06-14 贵州大学 Laboratory concrete test piece standardization and automatic preparation device

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