CN214772991U

CN214772991U - Concrete mixing device

Info

Publication number: CN214772991U
Application number: CN202121129269.1U
Authority: CN
Inventors: 易志想
Original assignee: Fogang Chengkang Commercial Concrete Co ltd
Current assignee: Fogang Chengkang Commercial Concrete Co ltd
Priority date: 2021-05-24
Filing date: 2021-05-24
Publication date: 2021-11-19
Anticipated expiration: 2031-05-24

Abstract

The application relates to a concrete stirring device, which comprises a stirring barrel, wherein a driving motor is fixed outside the stirring barrel, and an output shaft of the driving motor penetrates through the inside of the stirring barrel; the output shaft is connected with a stirring mechanism; the stirring mechanism comprises a rotating shaft connected with the output shaft and a plurality of stirring blades arranged at intervals along the extension direction of the rotating shaft; the periphery side of each stirring paddle blade is fixed with a connecting ring in a surrounding mode, a plurality of stirring rods are fixed between every two adjacent connecting rings, and each stirring rod is connected with a ball in a sliding mode. The concrete mixing device of this application can greatly improve the stirring efficiency of concrete, shortens the concrete mixing required time.

Description

Concrete mixing device

Technical Field

The application relates to the technical field of stirring devices, in particular to a concrete stirring device.

Background

Concrete is one of the most important civil engineering materials of the present generation. It is an artificial stone material made up by using cementing material, granular aggregate (aggregate), water and additive and admixture which are added according to a certain proportion through the processes of uniformly stirring, compacting, forming, curing and hardening.

Concrete preparation usually requires the concrete to be stirred by a stirring device; the prior art discloses a concrete stirring device, which comprises a stirring barrel and a stirring mechanism for stirring concrete in the stirring barrel; the stirring mechanism comprises a driving motor, a gearbox and a rotating shaft, wherein the driving motor is arranged above the middle part of the stirring barrel, the rotating shaft is arranged in the stirring barrel and connected with the driving motor, and the rotating shaft penetrates through the stirring barrel and is connected with the driving motor; the rotating shaft is provided with a plurality of stirring blades at equal intervals from bottom to top.

In view of the above-mentioned related art, the inventors consider that the following drawbacks exist:

the stirring device drives the rotating shaft to drive the stirring blades to rotate through the driving motor, so that concrete is stirred; however, the stirring blades rotate in one direction around the rotating shaft, the stirring efficiency is low, and the time required for the concrete to be stirred uniformly is long.

SUMMERY OF THE UTILITY MODEL

In order to shorten the time required for concrete to be mixed to uniformity, the application provides a concrete mixing device.

The application provides a concrete mixing device adopts following technical scheme:

a concrete mixing device comprises a mixing drum, wherein a driving motor is fixed outside the mixing drum, and an output shaft of the driving motor penetrates through the inside of the mixing drum; the output shaft is connected with a stirring mechanism, and is characterized in that: the stirring mechanism comprises a rotating shaft connected with the output shaft and a plurality of stirring blades arranged at intervals along the extension direction of the rotating shaft; and a connecting ring is fixed on the outer peripheral side of each stirring blade in a surrounding manner, and a plurality of stirring rods are fixed between the adjacent connecting rings.

By adopting the technical scheme, after the prepared concrete is added into the stirring barrel, the driving motor is started, and the rotating shaft can rotate circumferentially around the central axis of the rotating shaft under the driving of the driving motor, so that the stirring paddle blade, the connecting ring and the stirring rod are driven to rotate together.

Wherein, the puddler has increased the volume of concrete solution in the rabbling mechanism mixs the bucket, has improved the stirring efficiency of rabbling mechanism, and the puddler that lies in between two go-between sets up for axis of rotation parallel or slant moreover, and the puddler is rotating the graininess aggregate in the in-process more easily touchs the concrete and break up it, further improves the stirring efficiency of rabbling mechanism, has shortened the concrete and has been stirred to even required time.

Optionally, the stirring rod is connected with a ball in a sliding manner, and the sliding direction of the ball and the axial direction of the stirring rod are arranged in the same direction.

By adopting the technical scheme, the ball is connected to the stirring rod in a sliding manner, and when the stirring rod rotates around the central axis of the rotating shaft under the driving of the driving motor, the ball can freely slide along the stirring rod; the ball slides the process and can produce the turbulent flow of certain degree, makes water and gel material mix, also can collide and break up it with the graininess aggregate in the concrete, further improves rabbling mechanism's stirring efficiency.

Alternatively, the outer diameters of the adjacent connecting rings are set to be different, and the stirring rod is obliquely arranged relative to the rotating shaft.

Through adopting foretell technical scheme, set up the puddler slant, when the puddler revolved the axis rotation of axis of rotation, the ball slided along the puddler more easily under the effect of centrifugal force, also produced the turbulent flow more easily, improved the efficiency of stirring, the mixing of acceleration water and gel material.

Optionally, the number of the balls of each stirring rod is at least two, and the weights of all the balls are set to be different.

Through adopting foretell technical scheme, the centrifugal force that the ball of different weight received when the puddler rotates is different to make each ball separate gradually when the puddler rotates, play the effect that produces the turbulent flow and break up granular aggregate separately, greatly improved the efficiency of stirring.

Optionally, the rotation speed of the driving motor is set to be adjustable.

By adopting the technical scheme, the rotating speed of the driving motor is increased/decreased at regular time, and the centrifugal force applied to the ball can be changed, so that the position of the ball on the stirring rod when the stirring rod rotates is changed, and the ball can reciprocate along the axial direction of the stirring rod.

Optionally, the ball passes through a slot matched with the stirring rod, and the stirring rod passes through the slot; the outer side of the ball is connected with a reinforcing rod.

Through adopting foretell technical scheme, the puddler passes the slot of ball, can also make circumferential direction around the axis of puddler when making the ball freely slide along the axial of puddler to the stiffener that drives the ball outside rotates together, has increased the stirring area in the agitator, has greatly improved the efficiency of stirring, has shortened the concrete and has been stirred to even required time.

Optionally, the periphery wall of agitator is equipped with a plurality of annular spoilers, and all spoilers interval sets up.

Through adopting foretell technical scheme, when the water in the agitator moved to the spoiler under rabbling mechanism's stirring, the spoiler can change the direction of motion of water to form the turbulent flow, improve the stirring efficiency of the water in the agitator.

Optionally, each spoiler is arranged to be inclined downwards.

Through adopting foretell technical scheme, with the spoiler downward sloping setting, can reduce the possibility of granular aggregate deposit in the spoiler upper surface, make water and granular aggregate intensive mixing, mix.

In summary, the present application includes at least one of the following beneficial technical effects:

1. by arranging the stirring rod, the volume of water in the stirring barrel of the stirring mechanism is increased by the stirring rod, and the stirring rod is more easily contacted with and breaks up granular aggregate in concrete in the rotating process, so that the stirring efficiency of the stirring mechanism is improved, and the time required for the concrete to be stirred uniformly is shortened;

2. by arranging the balls and the reinforcing rods, the balls and the reinforcing rods can axially rotate around the central axis of the stirring rod when sliding along the axial direction of the stirring rod, the reinforcing rods increase the stirring area in the stirring barrel, and the stirring efficiency is greatly improved;

3. the setting of spoiler can change the direction of motion of water to form the turbulent flow, further improve the stirring efficiency of the interior water of agitator, accelerate the mixture of water and gel material.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 2 is a half sectional view of an embodiment of the present application;

FIG. 3 is a schematic structural diagram of a stirring mechanism in an embodiment of the present application;

fig. 4 is an enlarged view of a portion a in fig. 3, and mainly shows the structure of the balls and the reinforcing rods.

Description of reference numerals: 1. a stirring barrel; 11. a stirring mechanism; 111. a rotating shaft; 112. A stirring paddle; 1121. a collar; 1122. a blade; 113. a connecting ring; 114. a stirring rod; 115. a ball bearing; 1151. a slot; 116. a reinforcing bar; 12. a drive motor; 121. an output shaft; 13. a spoiler; 14. a liquid inlet; 15. an end cap; 16. a liquid outlet pipe; 2. a support frame.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses a concrete mixing device.

Referring to fig. 1 and 2, a concrete mixing device comprises a mixing tank 1, wherein a support frame 2 for supporting the mixing tank 1 is fixed at the bottom of the mixing tank 1; the upper part of the stirring barrel 1 is a cylindrical barrel body, and the top end of the stirring barrel 1 is provided with a liquid inlet 14 for adding water, gel materials and granular aggregates for preparing concrete into the stirring barrel 1; the liquid inlet 14 is provided with an end cover 15 for covering the liquid inlet 14; the lower part of the stirring barrel 1 is conical, and the center of the lower part of the stirring barrel 1 is connected with a liquid outlet pipe 16, so that the prepared concrete can be conveniently discharged out of the stirring barrel 1.

Referring to fig. 2, a driving motor 12 is fixed at the center of the top of the mixing tank 1, and an output shaft 121 of the driving motor 12 penetrates through the top wall of the mixing tank 1 and enters the inside of the mixing tank 1; the output shaft 121 is connected with a stirring mechanism 11, and the stirring mechanism 11 is used for stirring the water, the gel material and the granular aggregate in the stirring barrel 1 to fully mix the water, the gel material and the granular aggregate.

Referring to fig. 2, the stirring mechanism 11 includes a rotation shaft 111, stirring blades 112, a connection ring 113, and a stirring rod 114; the rotation shaft 111 is fixedly connected to the output shaft 121 such that the rotation shaft 111 can rotate along with the output shaft 121 by the driving of the driving motor 12.

Referring to fig. 3, the number of the stirring blades 112 is plural, in the embodiment of the present invention, the number of the stirring blades 112 is five, and five stirring blades 112 are arranged at equal intervals along the axial direction of the rotating shaft 111; each stirring blade 112 comprises a ring 1121 and blades 1122 circumferentially arranged around the outer circumference of the ring 1121; the rotating shaft 111 is inserted into the collar 1121 and is connected to the collar 1121 in a keyed manner, so that the collar 1121 is fixed to the rotating shaft 111 and can rotate circumferentially around the central axis of the rotating shaft 111 along with the rotating shaft 111.

Referring to fig. 3, in the embodiment of the present application, the blades 1122 of different stirring blades 112 are sized into two different sizes, so that the stirring blade 112 having a larger outer diameter and the stirring blade 112 having a smaller outer diameter are formed; the stirring blades 112 having larger outer diameters and the stirring blades 112 having smaller outer diameters are arranged alternately in the axial direction of the rotating shaft 111.

Referring to fig. 3, the number of the connection rings 113 is set to be equal to the number of the stirring blades 112, and the connection rings 113 are fixed to the outer circumferential sides of the stirring blades 112 in a one-to-one correspondence; the connecting ring 113 covers all the blades 1122 corresponding to the stirring blades 112 inside the connecting ring 113; wherein the outer diameter of the connection ring 113 fixed to the outer peripheral side of the stirring blade 112 having a larger outer diameter is larger, and the outer diameter of the connection ring 113 fixed to the outer peripheral side of the stirring blade 112 having a smaller outer diameter is smaller.

Referring to fig. 3, the stirring rods 114 are fixed between adjacent connecting rings 113, and a plurality of stirring rods 114 are arranged, and all the stirring rods 114 are arranged at equal intervals along the connecting rings 113; since the outer diameters of the adjacent stirring blades 112 are different, the stirring rod 114 is disposed obliquely with respect to the rotation shaft 111; the provision of the rotation shaft 111 can increase the volume of water in the tub agitated by the agitation mechanism 11, thereby improving the agitation efficiency of the agitation apparatus.

Referring to fig. 4, each stirring rod 114 is provided with a ball 115, the middle of the ball 115 is provided with a slot 1151 for the stirring rod 114 to pass through, and the stirring rod 114 passes through the slot 1151, so that the ball 115 can freely slide along the axial direction of the stirring rod 114 and can circumferentially rotate around the central axis of the stirring rod 114; a reinforcing rod 116 is fixed on the outer side of the ball 115, and the reinforcing rod 116 can rotate along with the rotation of the ball 115, so that the water body is further stirred, the stirring efficiency of the stirring device is improved, and the time required for stirring the concrete uniformly is shortened; the balls 115 and the reinforcing bar 116 in the embodiment of the present application are integrally formed.

The number of the balls 115 of each stirring rod 114 is at least two, in the embodiment of the present application, the number of the balls 115 on a single stirring rod 114 is two, the weights of the two balls 115 are set to be different, wherein the ball 115 with the larger weight is arranged close to the rotating shaft 111; when the rotating shaft 111 is driven by the driving motor 12 to rotate, the centrifugal forces applied to the balls 115 with different weights are different, so that the two balls 115 are separated from each other and work respectively, which is beneficial to disturbing the flow of the liquid in the stirring barrel 1 and can break up the granular aggregate; the driving motor 12 in this application adopts servo motor, and servo motor can constantly adjust the rotational speed of self at the during operation to the centrifugal force that makes each ball 115 receive changes, makes ball 115 can follow puddler 114 reciprocating motion, has further improved ball 115's vortex effect.

Referring to fig. 2, a plurality of spoilers 13 are arranged on the outer peripheral wall of the stirring barrel 1, in the embodiment of the present application, the number of the spoilers 13 is three, and the three spoilers 13 are arranged at equal intervals along the axial direction of the stirring barrel 1; the spoiler 13 can change the flow direction of water when the stirring mechanism 11 stirs the water body, so as to form turbulent flow, and the gel material and the water are fully mixed; each of the spoilers 13 is provided in a ring shape and all of the spoilers 13 are provided in a downwardly inclined manner for reducing the possibility of deposition of the granular aggregate on the upper surfaces of the spoilers 13.

The above is a preferred embodiment of the present application, and the scope of protection of the present application is not limited by the above, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A concrete mixing device comprises a mixing tank (1), wherein a driving motor (12) is fixed outside the mixing tank (1), and an output shaft (121) of the driving motor (12) penetrates through the mixing tank (1); the output shaft (121) is connected with a stirring mechanism (11), and is characterized in that: the stirring mechanism (11) comprises a rotating shaft (111) connected with the output shaft (121) and a plurality of stirring blades (112) arranged at intervals along the extension direction of the rotating shaft (111); the outer periphery of each stirring blade (112) is fixedly provided with a connecting ring (113) in a surrounding mode, and a plurality of stirring rods (114) are fixedly arranged between every two adjacent connecting rings (113).

2. A concrete mixing apparatus according to claim 1, wherein: the stirring rod (114) is connected with a ball (115) in a sliding mode, and the sliding direction of the ball (115) and the axial direction of the stirring rod (114) are arranged in the same direction.

3. A concrete mixing apparatus according to claim 2, wherein: the outer diameters of the adjacent connecting rings (113) are set to be different, and the stirring rod (114) is obliquely arranged relative to the rotating shaft (111).

4. A concrete mixing apparatus according to claim 3, wherein: the number of the balls (115) of each stirring rod (114) is at least two, and the weights of all the balls (115) are set to be different.

5. A concrete mixing apparatus according to claim 3, wherein: the rotational speed of the drive motor (12) is set to be adjustable.

6. A concrete mixing apparatus according to claim 2, wherein: the ball (115) penetrates through a slot (1151) matched with the stirring rod (114), and the stirring rod (114) penetrates through the slot (1151); and a reinforcing rod (116) is connected to the outer side of the ball (115).

7. A concrete mixing apparatus according to claim 1, wherein: the periphery wall of agitator (1) is equipped with a plurality of annular spoilers (13), and all spoilers (13) interval sets up.

8. A concrete mixing apparatus according to claim 7, wherein: each spoiler (13) is arranged in a downward inclined mode.