CN221160967U - Concrete material mixing device - Google Patents

Concrete material mixing device Download PDF

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Publication number
CN221160967U
CN221160967U CN202323078454.4U CN202323078454U CN221160967U CN 221160967 U CN221160967 U CN 221160967U CN 202323078454 U CN202323078454 U CN 202323078454U CN 221160967 U CN221160967 U CN 221160967U
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CN
China
Prior art keywords
tank
mixing
stirring shaft
worm gear
premixing
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Application number
CN202323078454.4U
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Chinese (zh)
Inventor
王宁
李洋
高赫岑
张朝鑫
赫英鸥
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Shenyang Institute of Technology
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Shenyang Institute of Technology
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Abstract

The utility model discloses a concrete material mixing device, which comprises a premixing tank, a driving mechanism, a mixing tank and a feeding pipe, wherein the driving mechanism comprises a stirring shaft, a worm gear mechanism and a motor, the worm gear mechanism is positioned between the premixing tank and the mixing tank, the stirring shaft is connected with the motor through the worm gear mechanism and comprises a premixing section and a mixing section, the premixing section of the stirring shaft stretches into the premixing tank, the mixing section of the stirring shaft stretches into the mixing tank, and the premixing tank is communicated with the mixing tank through the feeding pipe; the motor side of driving the stirring shaft is arranged at the side of the premixing tank and the mixing tank, and the quantity of the liquid water reducer entering the mixing tank is controlled more accurately by utilizing the feeding pipe.

Description

Concrete material mixing device
Technical Field
The utility model relates to the technical field of concrete production, in particular to a concrete material mixing device.
Background
In order to improve the performance of the concrete and reduce the production cost of the concrete, a proper amount of water reducing agent is usually required to be added into the concrete when the concrete is stirred, and the water reducing agent can reduce the consumption of the cement in the concrete so as to reduce the cost of the concrete and improve the ductility, durability and fluidity of the concrete.
The water reducer is powder with polycarboxylate as main component, and before the water reducer is added into concrete, the powder water reducer and water are premixed according to a certain proportion, and then the mixed liquid water reducer is added into the concrete.
When the water reducer in the concrete is excessively doped, the fluidity of the concrete exceeds an expected range, the workability of the concrete is deteriorated, bleeding is possibly increased under the condition that the state of the concrete is poor, the pumping construction is adversely affected, and the surface strength and the appearance quality of the concrete are possibly reduced due to the bleeding increase.
The existing mixing equipment lacks a premixing function, so that when the water reducer is added into concrete, a plurality of equipment is needed to be matched, and the difficulty of production scheduling is increased.
Disclosure of Invention
The utility model aims to solve the problems in the prior art and provides a concrete material mixing device.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
The utility model provides a concrete material mixing device, includes premix jar, actuating mechanism, blending tank and conveying pipe, actuating mechanism includes (mixing) shaft, worm gear mechanism and motor, worm gear mechanism is located premix jar with between the blending tank, the (mixing) shaft passes through worm gear mechanism with the motor is connected, the (mixing) shaft includes premix section and blending section, the premix section of (mixing) shaft stretches into in the premix jar, the blending section of (mixing) shaft stretches into in the blending tank, the premix jar with the blending tank passes through the conveying pipe intercommunication.
The utility model is provided with the premixing tank and the mixing tank at the same time, the powdery water reducer and water are added into the premixing tank for premixing, then the mixed liquid water reducer and concrete are added into the mixing tank for mixing, and in the process, the same stirring shaft is used for stirring the materials in the premixing tank and the mixing tank, so that the mixing of multiple devices is not needed.
According to the utility model, the motor for driving the stirring shaft is laterally arranged beside the premixing tank and the mixing tank, so that the influence of the motor and the transmission device on the material inlet and outlet in the premixing tank and the mixing tank is avoided, and meanwhile, the quantity of the liquid water reducer entering the mixing tank is controlled more accurately by utilizing the feeding pipe, and the problem of overdoping of the water reducer in concrete is avoided.
Preferably, the worm gear mechanism comprises a shell, a worm wheel and a worm, the top surface of the shell is connected with the premixing tank, the bottom surface of the shell is connected with the mixing tank, the worm wheel and the worm are arranged in the shell, the motor is arranged outside the shell, the worm wheel is connected with the motor through the worm, and the worm wheel is connected with the stirring shaft through a key.
The worm and gear mechanism changes the driving direction of the motor on one hand, so that the motor can be laterally arranged beside the premixing tank and the mixing tank, and on the other hand, the worm and gear mechanism can play a role in reducing speed and increasing torque, and the torque of the stirring shaft is enhanced on the premise of not enhancing the output torque of the motor.
Preferably, a transparent observation window is arranged on the side face of the premixing tank, scales are coated on the observation window, and a feeding valve and a flowmeter are arranged on the feeding pipe.
Transparent observation window with the scale is convenient for outside to look over liquid level in the premix jar, the feeding valve with the flowmeter is convenient for control liquid water-reducing agent gets into the quantity of mix jar.
Preferably, the top of the premixing tank is provided with a first feed hopper and a guardrail, the guardrail is arranged around the center shaft of the premixing tank, and the first feed hopper is positioned in the guardrail.
The premix tank adopts top feeding, the guardrail can block the leaking material that produces when feeding, is convenient for follow-up clearance that leaks the material.
Preferably, the side of blending tank is equipped with the second feeder hopper, blending tank bottom is the toper, the bottom of blending tank is equipped with the discharging pipe, be equipped with ejection of compact valve on the discharging pipe.
Preferably, a first support is arranged at the top of the premixing tank, the top end of the stirring shaft is rotationally connected with the first support, a second support is arranged on one side, close to the mixing tank, of the discharging pipe, and the bottom end of the stirring shaft is rotationally connected with the second support.
The first support and the second support can assist the worm wheel to limit the displacement of the stirring shaft, so that the stirring shaft is prevented from severely swinging in the working process.
Preferably, the premixing section of the stirring shaft is provided with a first stirring blade, the first stirring blade is arranged around the stirring shaft, the mixing section of the stirring shaft is provided with a second stirring blade, the second stirring blade is arranged around the stirring shaft, and the second stirring blades are arranged along the length direction of the mixing section at intervals.
Preferably, a support is arranged on the outer side of the mixing tank, the support comprises supporting legs and an annular frame, the annular frame is arranged around the mixing tank, and the supporting legs are connected with the annular frame.
Compared with the prior art, the utility model has the beneficial effects that:
(1) According to the utility model, the premixing tank and the mixing tank are arranged at the same time, the powdery water reducer and water are added into the premixing tank for premixing, and then the mixed liquid water reducer and concrete are added into the mixing tank for mixing, so that materials in the premixing tank and the mixing tank are mixed by using the same stirring shaft in the process, and multiple equipment is not needed for matching.
(2) According to the utility model, the motor for driving the stirring shaft is laterally arranged beside the premixing tank and the mixing tank, so that the influence of the motor and the transmission device on the material inlet and outlet in the premixing tank and the mixing tank is avoided, and meanwhile, the quantity of the liquid water reducer entering the mixing tank is controlled more accurately by utilizing the feeding pipe, so that the problem of overdoping of the water reducer in concrete is avoided.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic structural view of a stirring shaft;
FIG. 3 is a schematic illustration of the structure of the mixing tank in section;
FIG. 4 is a cross-sectional view of the worm gear mechanism;
In the figure: 1. a premix tank; 2. a mixing tank; 3. a feed pipe; 4. guard bars; 5. a liquid inlet funnel; 6. a powder feed hopper; 7. a second feed hopper; 8. a discharge pipe; 9. a stirring shaft; 10. a worm gear mechanism; 11. a motor; 12. a first support; 13. a second support; 14. a first stirring blade; 15. and a second stirring blade.
Detailed Description
The following description of the embodiments of the present utility model will be made more apparent and fully hereinafter with reference to the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by one of ordinary skill in the art without undue burden on the person of ordinary skill in the art based on embodiments of the present utility model, are within the scope of the present utility model.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "middle", "upper", "lower", "left", "right", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
As shown in fig. 1 to 4, the specific scheme of the embodiment is as follows: the utility model provides a concrete material mixing device, includes premix jar 1, actuating mechanism, blending tank 2 and conveying pipe 3, and premix jar 1 and blending tank 2 are through conveying pipe 3 intercommunication, and the feed side of conveying pipe 3 is located the lower half of premix jar 1, and the discharge side of conveying pipe 3 is located the upper half of blending tank 2.
The top of the premixing tank 1 is provided with a first feeding hopper and a guardrail 4, the first feeding hopper comprises a liquid inlet funnel 5 and a powder feeding hopper 6, the liquid inlet funnel 5 and the powder feeding hopper 6 are both provided with sealing cover plates, the guardrail 4 surrounds the center shaft of the premixing tank 1, and the liquid inlet funnel 5 and the powder feeding hopper 6 are both positioned in the guardrail 4.
The side of the premixing tank 1 is provided with a transparent observation window, scales are coated on the observation window, and a feeding valve and a flowmeter are arranged on the feeding pipe 3.
The side of blending tank 2 is equipped with second feeder hopper 7, and second feeder hopper 7 is equipped with sealed apron, and the height of second feeder hopper 7 is not higher than conveying pipe 3, and blending tank 2 bottom is the toper, and the bottom of blending tank 2 is equipped with discharging pipe 8, is equipped with ejection of compact valve on the discharging pipe 8.
The outside of the mixing tank 2 is provided with a bracket, the bracket comprises supporting legs and an annular frame, the annular frame is arranged around the mixing tank 2, and the supporting legs are connected with the annular frame.
The driving mechanism comprises a stirring shaft 9, a worm gear mechanism 10 and a motor 11, wherein the worm gear mechanism 10 is positioned between the premixing tank 1 and the mixing tank 2, the worm gear mechanism 10 comprises a shell, a worm gear and a worm, the top surface of the shell is connected with the premixing tank 1, the bottom surface of the shell is connected with the mixing tank 2, the worm gear and the worm are arranged in the shell, the motor 11 is arranged outside the shell, the worm gear is connected with the motor 11 through the worm, and the worm gear is in key connection with the stirring shaft 9.
The stirring shaft 9 is connected with the motor 11 through the worm gear mechanism 10, the stirring shaft 9 comprises a premixing section and a mixing section, the premixing section of the stirring shaft 9 stretches into the premixing tank 1, and the mixing section of the stirring shaft 9 stretches into the mixing tank 2.
The top of the premixing tank 1 is provided with a first support 12, the top end of the stirring shaft 9 is rotationally connected with the first support 12, one side of the discharging pipe 8, which is close to the mixing tank 2, is provided with a second support 13, the bottom end of the stirring shaft 9 is rotationally connected with the second support 13, the second support 13 comprises a round base and a connecting plate, the round base is rotationally connected with the stirring shaft 9, and the round base is connected with the inner wall of the mixing tank 2 through the connecting plate.
A pair of first stirring blades 14 are arranged on the premixing section of the stirring shaft 9, the first stirring blades 14 are arranged around the stirring shaft 9, three groups of second stirring blades 15 are arranged on the mixing section of the stirring shaft 9, the second stirring blades 15 are arranged around the stirring shaft 9, each group of second stirring blades 15 comprises three second stirring blades 15, and the three groups of second stirring blades 15 are arranged at intervals from top to bottom along the length direction of the mixing section.
The working method of the utility model is as follows:
Firstly, adding water into a premixing tank 1 from a liquid inlet funnel 5, determining the mass of solution in the premixing tank 1 according to scales on an observation window, adding a certain amount of water reducing agent powder from a powder feeding hopper 6 according to the mass, starting a motor 11, driving a worm by the motor 11 to rotate, driving a worm wheel to rotate, driving a stirring shaft 9 to rotate by the worm wheel, driving a first stirring blade 14 to premix by the stirring shaft 9, and simultaneously adding concrete into a mixing tank 2 through a second feeding hopper 7, so that the stirring shaft 9 drives a second stirring blade 15 to stir the concrete to avoid concrete solidification;
After premixing is completed, a feeding valve of the feeding pipe 3 is opened, the quantity of the liquid water reducer added into the mixing tank 2 is controlled according to a flowmeter, meanwhile, the stirring shaft 9 drives the second stirring blade 15 to mix the concrete and the liquid water reducer, and after mixing is completed, a discharging valve is opened, so that the concrete leaves the mixing tank 2 from the discharging pipe 8.
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 (8)

1. The utility model provides a concrete material mixing arrangement, its characterized in that includes premix jar, actuating mechanism, blending tank and conveying pipe, actuating mechanism includes (mixing) shaft, worm gear mechanism and motor, worm gear mechanism is located premix jar with between the blending tank, the (mixing) shaft passes through worm gear mechanism with the motor is connected, the (mixing) shaft includes premix section and blending section, the premix section of (mixing) shaft stretches into in the premix jar, the blending section of (mixing) shaft stretches into in the blending tank, premix jar with the blending tank passes through the conveying pipe intercommunication.
2. The concrete material mixing device according to claim 1, wherein the worm gear mechanism comprises a shell, a worm gear and a worm, the top surface of the shell is connected with the premixing tank, the bottom surface of the shell is connected with the mixing tank, the worm gear and the worm are arranged in the shell, the motor is arranged outside the shell, the worm gear is connected with the motor through the worm, and the worm gear is connected with the stirring shaft through a key.
3. The concrete material mixing device according to claim 1, wherein a transparent observation window is arranged on the side surface of the premixing tank, scales are coated on the observation window, and a feeding valve and a flowmeter are arranged on the feeding pipe.
4. The concrete material mixing device of claim 1, wherein a first feed hopper and a guardrail are arranged at the top of the premix tank, the guardrail is arranged around a central shaft of the premix tank, and the first feed hopper is positioned in the guardrail.
5. The concrete material mixing device according to claim 1, wherein the side surface of the mixing tank is provided with a second feeding hopper, the bottom of the mixing tank is conical, the bottom of the mixing tank is provided with a discharging pipe, and the discharging pipe is provided with a discharging valve.
6. The concrete material mixing device of claim 5, wherein a first support is arranged at the top of the premixing tank, the top end of the stirring shaft is rotationally connected with the first support, a second support is arranged on one side, close to the mixing tank, of the discharging pipe, and the bottom end of the stirring shaft is rotationally connected with the second support.
7. The concrete material mixing device of claim 1, wherein a premixing section of the stirring shaft is provided with first stirring blades, the first stirring blades are arranged around the stirring shaft, a mixing section of the stirring shaft is provided with second stirring blades, the second stirring blades are arranged around the stirring shaft, and the second stirring blades are arranged at intervals along the length direction of the mixing section.
8. A concrete material mixing device according to claim 1, wherein a bracket is provided outside the mixing tank, the bracket comprising a leg and an annular frame, the annular frame being provided around the mixing tank, the leg being connected to the annular frame.
CN202323078454.4U 2023-11-15 2023-11-15 Concrete material mixing device Active CN221160967U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202323078454.4U CN221160967U (en) 2023-11-15 2023-11-15 Concrete material mixing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202323078454.4U CN221160967U (en) 2023-11-15 2023-11-15 Concrete material mixing device

Publications (1)

Publication Number Publication Date
CN221160967U true CN221160967U (en) 2024-06-18

Family

ID=91536145

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202323078454.4U Active CN221160967U (en) 2023-11-15 2023-11-15 Concrete material mixing device

Country Status (1)

Country Link
CN (1) CN221160967U (en)

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