CN219902681U

CN219902681U - Concrete stirring and conveying device

Info

Publication number: CN219902681U
Application number: CN202320631997.5U
Authority: CN
Inventors: 陆林燚
Original assignee: Dandong Libo Building Materials And Concrete Co ltd
Current assignee: Dandong Libo Building Materials And Concrete Co ltd
Priority date: 2023-03-24
Filing date: 2023-03-24
Publication date: 2023-10-27
Anticipated expiration: 2033-03-24

Abstract

The utility model discloses a concrete stirring and conveying device, which comprises a frame, a stirring box fixed on the frame, a stirring mechanism and a screw conveying mechanism, wherein the stirring box is provided with a stirring cavity which is open upwards, an opening and closing mechanism for opening or closing the stirring cavity is arranged on the frame, a blanking opening communicated with the stirring cavity is arranged at the bottom of the stirring box, the stirring mechanism comprises a stirring shaft and a driving unit, the stirring shaft is horizontally and rotatably arranged in the stirring cavity, the driving unit is fixed on the frame and is used for driving the stirring shaft to rotate, a helical blade is fixed on the stirring shaft, extends along the axis direction of the stirring shaft and is in helical distribution relative to the stirring shaft, a plurality of radial shafts are also fixed on the stirring shaft, stirring blades are respectively fixed at two ends of each radial shaft, and the screw conveying mechanism is fixed on the frame and is used for receiving concrete falling from the blanking opening and conveying the concrete to an outlet of the screw conveying mechanism; has the advantages of good stirring effect and capability of controlling the discharge amount.

Description

Concrete stirring and conveying device

Technical Field

The utility model relates to the technical field of concrete production, in particular to a concrete stirring and conveying device.

Background

Concrete is one of the most important civil engineering materials in the current generation, and is an artificial stone prepared by mixing cementing materials, sand aggregate and water according to a certain proportion, stirring, vibrating and shaping, and curing under a certain condition. The traditional equipment and process for stirring concrete on site not only cause great environmental pollution, but also are difficult to ensure the quality of the concrete, so that a concrete stirring device appears on the market, can replace manual work to perform efficient stirring, and is widely applied to the field of buildings.

The concrete stirring device comprises a stirring cylinder, a stirring shaft and a plurality of stirring blades, wherein the stirring shaft is arranged in the stirring cylinder, the stirring blades are fixedly connected to the stirring shaft, the stirring shaft rotates under the driving of a motor to realize stirring and mixing of concrete raw materials, however, concrete raw materials can be mixed with concrete aggregate with larger volume, and the generation of the concrete aggregate with larger volume is caused by the following steps: the raw materials for manufacturing the sand and stone concrete aggregate are crushed unevenly. Because the stirring device is influenced by the aggregate of the sand stone with a larger volume, the stirring device is not uniform or insufficient for stirring the concrete raw materials mixed together, so that the production efficiency of the concrete is influenced, and the structural strength of the concrete is reduced; in addition, after the stirring is finished, concentrated discharging is usually adopted, then the concrete is manually transported to a designated place, the discharging weight of the concrete cannot be controlled in the process, and the situation that the discharging is too much or too little often exists.

Disclosure of Invention

The utility model aims to solve the problems and provide a concrete stirring and conveying device which has good stirring effect and can control the discharge amount.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a concrete stirring and conveyor, includes the frame and fixes agitator tank in the frame, still includes rabbling mechanism and screw conveying mechanism, the agitator tank has an upward open-ended agitator chamber, be provided with in the frame and be used for opening or closing the opening and closing mechanism of agitator chamber, the bottom of agitator tank be provided with the feed opening of agitator chamber intercommunication, the rabbling mechanism includes (mixing) shaft and drive unit, the rotatable setting of (mixing) shaft level is in the agitator chamber, drive unit is fixed in the frame, and be used for the drive the (mixing) shaft rotates, be fixed with helical blade on the (mixing) shaft, helical blade follows the axis direction of (mixing) shaft extends, and relative the (mixing) shaft becomes the heliciform and distributes, still be fixed with many radial shafts on the (mixing) shaft, every radial shaft's both ends are fixed with the (mixing) blade respectively, screw conveying mechanism fixes in the frame, and be used for receiving by the concrete that the feed opening falls down and carry to screw conveying mechanism's export.

The opening and closing mechanism comprises a cover plate and air cylinders respectively arranged on two sides of the cover plate, the cover plate is connected with the side walls of the stirring tank through hinges, mounting blocks are fixed on two sides of the upper surface of the cover plate, hinge shafts are outwards extended and fixed on the mounting blocks, the cylinder bodies of the air cylinders are hinged to the machine frame, and rod bodies of the air cylinders are movably connected with the hinge shafts through switching rods.

The connecting rod is provided with a perforation, and the hinge shaft passes through the perforation and is in threaded connection with the locking nut.

The driving unit comprises a driving motor, the driving motor is fixed on the frame, and an output shaft of the driving motor is connected with the stirring shaft through a speed reducer.

Two adjacent radial shafts are vertically distributed, and stirring blades fixed on the same radial shaft are also vertically distributed.

The radial shaft is fixed with the stirring shaft through four reinforcing ribs which are uniformly arranged in the circumferential direction.

The spiral conveying mechanism comprises a conveying cylinder, a spiral auger and a power motor, the conveying cylinder is fixed on the frame, a feeding hopper is fixed at an inlet of the conveying cylinder, the feeding hopper is in butt joint with the discharging opening, a discharging hopper is fixed at an outlet of the conveying cylinder, the spiral auger is rotatably arranged in the conveying cylinder, and the power motor is fixed on the frame and drives the spiral auger to rotate through a transmission mechanism.

The transmission mechanism comprises a first sprocket, a second sprocket and a chain, wherein the first sprocket is fixed on an output shaft of the power motor, the second sprocket is coaxially fixed on the spiral auger, and the chain is connected between the first sprocket and the second sprocket.

Compared with the prior art, the utility model has the advantages that: the opening and closing mechanism is used for opening or covering the stirring cavity, so that the stirring cavity is in a relatively closed state in the working process, and the surrounding environment is not influenced; the stirring mechanism comprises a stirring shaft and a driving unit, the driving unit is used for driving the stirring shaft to rotate so as to promote various ingredients to be fully mixed, the stirring effect can be improved through the arrangement of the spiral blades, and the stirring blades fixed on each radial shaft can further achieve the purpose of fully stirring; the screw conveying mechanism can quantitatively convey concrete and can further mix the concrete uniformly in the conveying process.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art are briefly introduced below, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic perspective view of a stirring tank in the utility model;

FIG. 3 is a schematic perspective view of a stirring shaft in the utility model;

FIG. 4 is a schematic perspective view of a screw conveyor according to the present utility model;

FIG. 5 is a side view of the screw conveyor mechanism of the present utility model;

fig. 6 is a cross-sectional view of the screw conveyor mechanism of the present utility model.

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 utility model, 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.

Embodiment one: as shown in the figure, a concrete stirring and conveying device comprises a frame 1 and a stirring box 2 fixed on the frame 1, and further comprises a stirring mechanism 3 and a screw conveying mechanism 4, wherein the stirring box 2 is provided with a stirring cavity 21 which is open upwards, an opening and closing mechanism 5 for opening or closing the stirring cavity 21 is arranged on the frame 1, a feed opening 22 communicated with the stirring cavity is arranged at the bottom of the stirring box 2, the stirring mechanism 3 comprises a stirring shaft 31 and a driving unit, the stirring shaft 31 is horizontally and rotatably arranged in the stirring cavity 21, the driving unit is fixed on the frame 1 and is used for driving the stirring shaft 31 to rotate, a helical blade 33 is fixed on the stirring shaft 31, the helical blade 33 extends along the axial direction of the stirring shaft 31 and is distributed in a helical shape relative to the stirring shaft 31, a plurality of radial shafts 34 are also fixed on the stirring shaft 31, stirring blades 35 are respectively fixed at two ends of each radial shaft 34, and the screw conveying mechanism 4 is fixed on the frame 1 and is used for receiving concrete falling from the feed opening 22 and conveying the concrete to the outlet of the screw conveying mechanism 4.

In the above structure, the opening and closing mechanism 5 is used for opening or covering the stirring cavity 21, so that the stirring cavity 21 is in a relatively closed state during the working process, and the surrounding environment is not influenced; the stirring mechanism 3 comprises a stirring shaft 31 and a driving unit, the driving unit is used for driving the stirring shaft 31 to rotate so as to promote the various ingredients to be fully mixed, the arrangement of the spiral blades 33 can improve the stirring effect, and the stirring blades 35 fixed on each radial shaft 34 can further play the purpose of fully stirring; the screw conveying mechanism 4 can quantitatively convey concrete and can further uniformly mix the concrete in the conveying process.

Embodiment two: as shown in the figure, unlike the first embodiment, the opening and closing mechanism 5 includes a cover plate 51 and air cylinders 52 respectively disposed on two sides of the cover plate 51, the cover plate 51 is connected with the side wall of the stirring tank 2 through hinges, two sides of the upper surface of the cover plate 51 are fixed with mounting blocks 54, the mounting blocks 54 are extended and fixed with hinge shafts 55 outwards, the cylinder body of the air cylinders 52 is hinged on the frame 1, and the rod body of the air cylinders 52 is movably connected with the hinge shafts 55 through a switching rod 56.

In the above structure, the two cylinders 52 control the movement of the cover plate 51, the control is stable and the response is timely, the lower end of the switching rod 56 is fixed on the rod body of the word cylinder 52, the upper end of the switching rod 56 is movably connected with the hinge shaft 55, therefore, when ingredients are all placed in the stirring cavity 21, the cover plate 51 is closed by the cylinders 52, the phenomenon that the ingredients splash outwards in the stirring process is avoided, and when the ingredients are needed to be fed again, the rod body is stretched out by the control cylinders 52, so that the stirring process can be easily realized.

The adapter rod 56 is provided with a through hole, and the hinge shaft 55 is screwed with the lock nut 57 after passing through the through hole. In this structure, the lock nut 57 prevents the switching lever 56 and the hinge shaft 55 from being separated from each other, and also facilitates the disassembly and assembly of the switching lever 56 and the hinge shaft 55.

The driving unit comprises a driving motor 32, the driving motor 32 is fixed on the frame 1, and an output shaft of the driving motor 32 is connected with the stirring shaft 31 through a speed reducer 36.

In the above structure, the stirring shaft 31 is driven to drive by adopting a mode of matching the driving motor 32 with the speed reducer 36, so that stable transmission is realized and the output torque can be improved.

Embodiment III: as shown in the figure, unlike the second embodiment, two adjacent radial shafts 34 are vertically arranged, and stirring blades 35 fixed to the same radial shaft 34 are also vertically arranged. Thereby, the concrete can be fully stirred, the stirring blind area is reduced as much as possible, and the stress of the whole stirring shaft 31 in the rotation process is uniform.

The radial shaft 34 is fixed to the stirring shaft 31 by four reinforcing ribs 37 uniformly provided in the circumferential direction. Thereby enhancing the connection reliability between the radial shaft 34 and the stirring shaft 31.

The screw conveying mechanism 4 comprises a conveying cylinder 41, a screw auger 42 and a power motor 43, the conveying cylinder 41 is fixed on the frame 1, a feeding hopper 44 is fixed at an inlet of the conveying cylinder 41, the feeding hopper 44 is in butt joint with the blanking opening 22, a discharging hopper 45 is fixed at an outlet of the conveying cylinder 41, the screw auger 42 is rotatably arranged in the conveying cylinder 41, the power motor 43 is fixed on the frame 1, and the screw auger 42 is driven to rotate through a transmission mechanism 6.

In the above structure, when the power motor 43 works, the screw auger 42 is driven to rotate, and when the screw auger 42 rotates in the conveying cylinder 41, concrete falling from the feed hopper 44 is conveyed to the discharge hopper 45, in the process, the screw auger 42 can achieve the purpose of mixing again uniformly, and quantitative conveying can be achieved, so that the discharge amount can be accurately controlled.

The transmission mechanism 6 includes a first sprocket 61, a second sprocket 62, and a chain 63, the first sprocket 61 being fixed to the output shaft of the power motor 43, the second sprocket 62 being coaxially fixed to the screw auger 42, the chain 63 being connected between the first sprocket 61 and the second sprocket 62. In this structure, the chain 63 is adopted for transmission, so that slipping phenomenon can not occur, the average transmission ratio is accurate, the operation is reliable, the efficiency is high, and the device can be used for a long time.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims

1. The utility model provides a concrete mixing and conveying device, includes the frame and fixes the agitator tank in the frame, its characterized in that: still include rabbling mechanism and screw conveying mechanism, the agitator tank has an upwardly open's stirring chamber, be provided with in the frame and be used for opening or closing the opening and closing mechanism of stirring chamber, the bottom of agitator tank be provided with the feed opening of stirring chamber intercommunication, the rabbling mechanism includes (mixing) shaft and drive unit, the (mixing) shaft level rotatable setting is in the stirring intracavity, drive unit is fixed in the frame, and be used for the drive the (mixing) shaft rotates, be fixed with helical blade on the (mixing) shaft, helical blade follows the axis direction of (mixing) shaft extends, and relative the (mixing) shaft becomes spiral line and distributes, still be fixed with many radial axles on the (mixing) shaft, every the both ends of radial axle are fixed with the stirring leaf respectively, screw conveying mechanism fixes in the frame, and be used for receiving by the concrete that the feed opening falls and carry to screw conveying mechanism's export.

2. A concrete mixing and conveying apparatus according to claim 1, wherein: the opening and closing mechanism comprises a cover plate and air cylinders respectively arranged on two sides of the cover plate, the cover plate is connected with the side walls of the stirring tank through hinges, mounting blocks are fixed on two sides of the upper surface of the cover plate, hinge shafts are outwards extended and fixed on the mounting blocks, the cylinder bodies of the air cylinders are hinged to the machine frame, and rod bodies of the air cylinders are movably connected with the hinge shafts through switching rods.

3. A concrete mixing and conveying apparatus according to claim 2, wherein: the connecting rod is provided with a perforation, and the hinge shaft passes through the perforation and is in threaded connection with the locking nut.

4. A concrete mixing and conveying apparatus according to claim 1, wherein: the driving unit comprises a driving motor, the driving motor is fixed on the frame, and an output shaft of the driving motor is connected with the stirring shaft through a speed reducer.

5. A concrete mixing and conveying apparatus according to claim 1, wherein: two adjacent radial shafts are vertically distributed, and stirring blades fixed on the same radial shaft are also vertically distributed.

6. A concrete mixing and conveying apparatus according to claim 5, wherein: the radial shaft is fixed with the stirring shaft through four reinforcing ribs which are uniformly arranged in the circumferential direction.

7. A concrete mixing and conveying apparatus according to claim 1, wherein: the spiral conveying mechanism comprises a conveying cylinder, a spiral auger and a power motor, the conveying cylinder is fixed on the frame, a feeding hopper is fixed at an inlet of the conveying cylinder, the feeding hopper is in butt joint with the discharging opening, a discharging hopper is fixed at an outlet of the conveying cylinder, the spiral auger is rotatably arranged in the conveying cylinder, and the power motor is fixed on the frame and drives the spiral auger to rotate through a transmission mechanism.

8. A concrete mixing and conveying apparatus according to claim 7, wherein: the transmission mechanism comprises a first sprocket, a second sprocket and a chain, wherein the first sprocket is fixed on an output shaft of the power motor, the second sprocket is coaxially fixed on the spiral auger, and the chain is connected between the first sprocket and the second sprocket.