CN213563482U

CN213563482U - Double-oar concrete mixing mechanism

Info

Publication number: CN213563482U
Application number: CN202022426676.0U
Authority: CN
Inventors: 张会林
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-28
Filing date: 2020-10-28
Publication date: 2021-06-29
Anticipated expiration: 2030-10-28

Abstract

The utility model discloses a double-oar concrete mixing mechanism, which comprises a mixing bin, wherein two ends of the mixing bin are respectively provided with a feed inlet and a discharge outlet, two groups of mixing main shafts are arranged in the mixing bin in parallel, the feed inlet and the discharge outlet are respectively arranged at two ends of the mixing main shafts, the outer parts of the mixing main shafts are arranged with propeller blades at intervals along the axis direction, the rotating circles of the propeller blades of the two groups of mixing main shafts are tangent, a mixing rod is arranged between the two coaxial groups of propeller blades, the mixing rod is in a three-fork structure, the mixing rod revolves around the axis of the mixing main shafts and rotates around the axis of the mixing rod, the rotating axis of the mixing rod is perpendicular to the axis of the mixing main shafts, the rotating speeds of the two groups of mixing main shafts are the same, the rotating directions of the two groups of mixing main shafts are opposite or the same, the mixing rod for, carry out vertical stirring to the material, promote the stirring effect.

Description

Double-oar concrete mixing mechanism

Technical Field

The utility model relates to a concrete mixing technical field specifically is a double-oar concrete mixing mechanism.

Background

The (mixing) shaft that current double-shaft mixer mostly adopted two sets of parallel arrangement stirs the raw materials, at the stirring in-process, the produced thrust direction of two sets of (mixing) shafts is fixed and the same, the homoenergetic moves the raw materials to the discharge end from the feed end, in the motion process, stir and mix the raw materials, small has, efficient advantage, but because under the partial scene, stirring shaft length is limited in the mixer, it is shorter to cause the used stroke of stirring, cause stirring effect not up to standard, can not circulate the stirring to the material.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide a double-oar concrete mixing mechanism, increase the stirring rod of supplementary stirring, at the material in-process of marcing, carry out vertical stirring to the material, promote stirring effect, can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a double-oar concrete mixing mechanism, includes the stirring storehouse, the both ends in stirring storehouse are provided with feed inlet and discharge gate respectively, parallel arrangement two sets of stirring main shafts in the stirring storehouse, the both ends of stirring main shaft are arranged respectively to feed inlet and discharge gate branch, stirring main shaft's outside is along axis direction interval arrangement propeller blade, and two sets of stirring main shaft's propeller blade gyration circle is tangent, sets up the stirring rod between coaxial two sets of propeller blade, the stirring rod is trident shape structure, the stirring rod is around stirring main shaft's axis revolution, and the stirring rod is around self axis rotation, the axis of rotation axis perpendicular to stirring main shaft of stirring rod, two sets of stirring main shaft's rotational speed is the same, and two sets of stirring main shaft turn to opposite or the same.

As a preferred technical scheme of the utility model, the stirring main shaft includes an outer shaft and an inner shaft which rotate coaxially relatively, the outer shaft and the stirring bin are installed in a relatively rotating manner, the inner shaft and the stirring bin are installed in a relatively fixed manner, the outer shaft ends of the two groups of stirring main shafts are connected with gear boxes, the surface of the outer shaft is provided with a through hole perpendicular to the axis, the stirring rod and the through hole are installed in a rotating manner, and the rotating shaft of the stirring shaft is connected with the inner shaft through a bevel gear pair;

when the outer shaft rotates, the stirring rod is driven to revolve, and when revolving, the stirring rod is driven to rotate through the transmission of the bevel gear pair, so that the longitudinal stirring of the internal materials is realized.

As a preferred technical scheme of the utility model, the same rotating directions of the coaxial propeller blades are the same, and the rotating directions of the non-coaxial propeller blades are the same or opposite;

when the rotating directions of the screw blades of different shafts are opposite, the two stirring main shafts rotate in a consistent manner to generate the same thrust direction, and when the rotating directions of the screw blades of different shafts are the same, the two stirring main shafts rotate in a inconsistent manner to generate the same thrust direction.

As a preferred technical scheme of the utility model, a hopper is arranged at the feed inlet and is communicated with the feed inlet, and a drawing plate which can be drawn and opened is arranged at the communication part of the hopper and the feed inlet;

the opening and closing of the feeding hole are realized by drawing the drawing plate, and the full closing of the stirring bin can be realized by additionally arranging a valve at the discharging hole, so that the circulating stirring of the materials in the stirring bin is realized conveniently.

As a preferred technical scheme of the utility model, the discharge port is designed in a gathering mode;

the discharge pressure at the discharge port can be conveniently increased, and the blockage during discharge can be avoided.

Compared with the prior art, the beneficial effects of the utility model are that: on the basis of the existing double-shaft mixer, the double-paddle concrete mixing mechanism is additionally provided with the mixing rods for longitudinal mixing, the mixing rods are arranged on the circumferential side of the mixing main shaft at intervals, and self-rotation occurs along with revolution of the mixing main shaft, so that when materials are propelled by the propeller blades, the materials are scattered under the action of the mixing rods and then are mixed again, and the mixing efficiency is improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

fig. 3 is a horizontal sectional view of the present invention;

fig. 4 is a vertical sectional view of the present invention;

FIG. 5 is an enlarged view of the position A of the present invention;

fig. 6 is a schematic view of the hopper of the present invention.

In the figure: 1 stirring bin, 101 feeding inlet, 102 discharging outlet, 103 hopper, 104 drawing plate, 2 stirring main shaft, 201 outer shaft, 202 propeller blade, 203 stirring rod, 204 inner shaft and 3 gear box.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: the utility model provides a double-oar concrete mixing mechanism, including stirring storehouse 1, the both ends in stirring storehouse 1 are provided with feed inlet 101 and discharge gate 102 respectively, parallel arrangement two sets of stirring main shaft 2 in stirring storehouse 1, the both ends of stirring main shaft 2 are arranged respectively in feed inlet 101 and discharge gate 102, stirring main shaft 2's outside is along axis direction interval arrangement propeller blade 202, the propeller blade 202 gyration circle of two sets of stirring main shaft 2 is tangent, set up stirring rod 203 between coaxial two sets of propeller blade 202, stirring rod 203 is trident structure, stirring rod 203 revolves around the axis of stirring main shaft 2, and stirring rod 203 is around self axis rotation, the axis of rotation of stirring rod 203 is perpendicular to stirring main shaft 2's axis, the rotational speed of two sets of stirring main shaft 2 is the same, two sets of stirring main shaft 2 turn to the opposite or the same.

The stirring main shafts 2 comprise outer shafts 201 and inner shafts 204 which rotate coaxially relatively, the outer shafts 201 and the stirring bins 1 are installed in a rotating mode relatively, the inner shafts 204 and the stirring bins 1 are installed fixedly relatively, the end portions of the outer shafts 201 of the two groups of stirring main shafts 2 are connected with gear boxes 3, through holes perpendicular to the axis are formed in the surfaces of the outer shafts 201, stirring rods 203 are installed with the through holes in a rotating mode, and the rotating shafts of the stirring shafts 203 are connected with the inner shafts 204 through bevel gear pairs;

when the outer shaft 201 rotates, the stirring rod 203 is driven to revolve, and when revolving, the stirring rod 203 is driven to rotate through the transmission of the bevel gear pair, so that the internal materials are longitudinally stirred.

The coaxial propeller blades 202 have the same rotation direction, and the propeller blades 202 of different shafts have the same or opposite rotation directions;

when the rotation directions of the screw blades 202 which are not coaxial are opposite, the two stirring main shafts 2 rotate in the same direction, the same thrust direction is generated, and when the rotation directions of the screw blades 202 which are not coaxial are the same, the two stirring main shafts 2 rotate in the different directions, the same thrust direction is generated.

A hopper 103 communicated with the feed inlet 101 is arranged at the feed inlet 101, and a pull plate 104 capable of being pulled and opened is arranged at the communication part of the hopper 103 and the feed inlet 101;

the opening and closing of the feeding hole 101 are realized by drawing the drawing plate 104, and the full closing of the stirring bin 1 can be realized by additionally arranging a valve at the discharging hole 102, so that the circulating stirring of the materials in the stirring bin 1 is realized.

The discharge port 102 is of a gathering type design;

the discharge pressure at the discharge port 102 can be increased conveniently, and the blockage during the discharge can be avoided.

When in use: when unidirectional output is needed, the steering of the stirring main shafts 2 is adjusted, or the turning direction of the propeller blades 202 is changed during design, so that the two stirring main shafts 2 have the same propelling direction, the concrete is injected from the feeding port 101 and is discharged from the discharging port 102 after being stirred, when the stirring effect is not ideal, one of the stirring main shafts 2 rotates reversely by changing the transmission mode in the gear box 3, the feeding port 101 and the discharging port 102 at two ends are sealed simultaneously, the materials are circularly stirred in the stirring bin 1, the stirring effect is improved, the requirement is met, and the gear box 3 needs external power to input power.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a double-oar concrete mixing mechanism, includes stirring storehouse (1), the both ends in stirring storehouse (1) are provided with feed inlet (101) and discharge gate (102) respectively, its characterized in that: two groups of stirring main shafts (2) are arranged in parallel in the stirring bin (1), the two ends of each stirring main shaft (2) are respectively arranged at the feeding port (101) and the discharging port (102), the spiral blades (202) are arranged at intervals in the axial direction outside the stirring main shafts (2), the rotation circles of the spiral blades (202) of the two groups of stirring main shafts (2) are tangent, stirring rods (203) are arranged between the two groups of coaxial spiral blades (202), the stirring rods (203) are of a three-fork-shaped structure, the stirring rods (203) revolve around the axial line of the stirring main shafts (2), the stirring rods (203) rotate around the axial line, the rotation axial line of the stirring rods (203) is perpendicular to the axial line of the stirring main shafts (2), the rotation speeds of the two groups of stirring main shafts (2) are the same, and the rotation directions of the two groups of stirring main shafts (2.

2. The twin paddle concrete mixing mechanism of claim 1, wherein: stirring main shaft (2) are including relative coaxial pivoted outer axle (201) and interior axle (204), outer axle (201) rotates the installation with stirring storehouse (1) relatively, interior axle (204) and stirring storehouse (1) fixed mounting relatively, and outer axle (201) tip of two sets of stirring main shaft (2) all is connected with gear box (3), outer axle (201) surface sets up the through-hole of perpendicular to axis, stirring rod (203) and through-hole rotate the installation, be connected through bevel gear pair between the axis of rotation of stirring rod (203) and interior axle (204).

3. The twin paddle concrete mixing mechanism of claim 1 or 2, wherein: the coaxial propeller blades (202) have the same rotating direction, and the rotating directions of the propeller blades (202) different from the coaxial propeller blades are the same or opposite.

4. The twin paddle concrete mixing mechanism of claim 1 or 2, wherein: the feed inlet (101) is provided with a communicated hopper (103), and the communicated position of the hopper (103) and the feed inlet (101) is provided with a pull plate (104) which can be pulled and opened.

5. The twin paddle concrete mixing mechanism of claim 1 or 2, wherein: the discharge hole (102) is in a gathering type design.