CN213593250U - Multistage concrete vibration mixer - Google Patents
Multistage concrete vibration mixer Download PDFInfo
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- CN213593250U CN213593250U CN202022205523.3U CN202022205523U CN213593250U CN 213593250 U CN213593250 U CN 213593250U CN 202022205523 U CN202022205523 U CN 202022205523U CN 213593250 U CN213593250 U CN 213593250U
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Abstract
A multistage concrete vibration mixer comprises a feeding mechanism, a mixing mechanism and a vibration mixing mechanism which are fixed in a frame; the feeding hole of the feeding mechanism is communicated with the spiral feeder, and the motor drives the stirring shaft; the stirring mechanism comprises a stirring blade arranged on the rear section of the stirring shaft; the periphery of the stirring blade is provided with an opening and closing material baffle plate; the vibration stirring mechanism comprises a vibration stirring shaft and a vibration stirring blade which are fixed in the middle of the frame, and the motor drives the vibration stirring shaft; the feed inlet is put into to the material that will mix, after intensive mixing under the screw feeder, conveys behind to stirring vane and further mixes, sends into vibration rabbling mechanism stirring afterwards, the utility model discloses a stirring is mixed fully in ordinary stirring cooperation vibration, effectively improves stirring quality, and the stirring is quick, and is little to the support bearing harm.
Description
Technical Field
The utility model relates to an engineering machine tool technical field, in particular to multistage concrete vibration mixer.
Background
In recent years, with the rapid increase of national economy of China, the material conditions and living standard of people are continuously improved. The economic high-speed growth drives the vigorous construction of infrastructure, and as long as 2019, the total highway mileage in China reaches 484.65 kilometers, the highway reaches 14.26 kilometers, and the highway is the first in the world. Meanwhile, the quantity of vehicles in China also reaches 3.19 hundred million, and with the increase of vehicles, the problem of insufficient transportation capacity appears, wherein the problems are mainly the road damage and maintenance.
In the road construction process, the mixing quality of concrete is an important factor depending on the long service life of a road, and the mixing quality of concrete is directly determined by a concrete mixer. The concrete mixer is a mechanical device for uniformly mixing materials such as sand, cement, fly ash and water and preparing concrete mixture.
Traditional agitated vessel stirring material is not abundant, can't guarantee the even intensive mixing of concrete mixture together when mixing moreover, and traditional vibration mixer though stir efficient, stirring quality is good, but (mixing) shaft and vibration axle axis do not coincide, will vibrate the eccentric block setting of axle cooperation usually, when vibration mixer high-speed operation, bearing, frame will be passed to the inertia of eccentric shaft, cause the damage to the frame for a long time.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide a multistage concrete vibration mixer, which can realize vibration mixing of multiple frequencies, and in addition, the vibration mixing blades are overlapped with the axial line of a shaft, so that the phenomenon that the inertia of an eccentric shaft is transmitted to a shaft frame to damage the frame for a long time is avoided.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a multistage concrete vibration mixer comprises a feeding mechanism, a mixing mechanism and a vibration mixing mechanism which are fixed in a frame 6;
the feeding mechanism comprises a feeding hole 1 arranged above the rack 6, the feeding hole 1 is communicated with a screw feeder 21, and the screw feeder 21 is provided with a screw stirring blade 20; the screw feeder 21 is connected with the first support bearing 15 through a stirring shaft 17; the output shaft of the first motor 2 drives the stirring shaft 17;
the stirring mechanism comprises a stirring blade 18 arranged on the rear section of the stirring shaft 17; the periphery of the stirring blade 18 is provided with a material baffle plate 13, only one end of the material baffle plate 13 is hinged with the frame 6 through a hinge 14, and the bottom of the material baffle plate 13 is connected with two lifters 12;
the vibration stirring mechanism comprises a vibration stirring shaft 11 fixed in the middle of the frame 6, a vibration stirring blade 19 is arranged on the vibration stirring shaft 11, the vibration stirring shaft 11 is fixedly connected to the frame 6 through a second supporting bearing 4, and an output shaft of the second motor 5 drives the vibration stirring shaft 11.
The helical mixing blade 20 is provided with a through hole 22.
The vibrating agitating blades 19 are arcuate blades distributed circumferentially.
The vibration stirring blade 19 changes the vibration stirring amplitude by changing the height of the blade, wherein the amplitude A is R-R, R is the maximum radius of the vibration stirring blade, and R is the radius of the root of the blade; the frequency of the stirring is changed by changing the number of the blades, wherein the frequency of the vibrating stirring blades is N multiplied by the rotating speed of the second motor/60, and N is the number of the blades.
Compared with the prior art, the utility model discloses following technological effect has:
the utility model carries out spiral stirring feeding on the mixed materials, the through hole 22 on the spiral feeder 21 is the air hole, when feeding, the air in the air hole can form an interlayer between the spiral feeder 21 and the concrete, thus avoiding the phenomenon that the concrete is directly pressed on the spiral feeder by atmospheric pressure to increase the feeding resistance; while the air between them allows the concrete to flow easily without sticking.
The screw feeder 21 and the screw stirring blade 20 are used for mixing and pre-stirring the concrete raw materials to fully mix the materials and prepare for the next vibration stirring. Through pre-stirring and matching with vibration stirring, the concrete is stirred more fully and quickly.
The utility model discloses a vibration stirring vane can realize the vibration stirring of a plurality of frequencies at the stirring in-process, and the material can realize accelerating the dispersion under the vibration stirring to the cement reunion granule that last one-level stirring is difficult to destroy at blade minimum to the peak, stirs more fully, and the quality is higher, simultaneously, can change the frequency and the amplitude of vibration stirring through the size of changing the figure of vibration stirring vane 19 and blade. In addition, when the vibrating and stirring blade 19 rotates at a high speed, the vibrating and stirring blade is superposed with the axis of the shaft, so that the exciting force cannot be caused to the bearing or the frame, and the service life of the bearing is prolonged.
Drawings
FIG. 1 is a schematic view of the vibration agitator of the present invention;
FIG. 2 is an enlarged view of the vibratory blender screw feeder 21;
FIG. 3 is a schematic structural view of the vibrating stirring vane 19;
fig. 4 is a schematic cross-sectional view of the vibrating agitating blade 19.
Wherein: 1-a feed inlet, 2-a first motor, 3-a first support, 4-a second support bearing, 5-a second motor, 6-a frame, 7-a second support, 8-a fixed base, 9-a fixed frame, 10-a second support bearing seat, 11-a vibrating stirring shaft, 12-a lifter, 13-a baffle plate, 14-a hinge, 15-a first support bearing, 16-a first support bearing seat and 17-a stirring shaft; 18-stirring blades; 19-vibrating the stirring blade; 20-helical stirring blades; 21-a screw feeder; 22-through hole.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings:
referring to fig. 1 and 2, a multistage concrete vibration mixer includes a feeding mechanism, a mixing mechanism and a vibration mixing mechanism fixed in a frame 6; the frame 6 is arranged on a fixed base 8,
the feeding mechanism comprises a feeding hole 1 arranged above the rack 6, the feeding hole 1 is communicated with a screw feeder 21, and the screw feeder 21 is provided with a screw stirring blade 20 with a through hole 22; the screw feeder 21 is connected with a first support bearing 15 through a stirring shaft 17, and the first support bearing 15 is arranged on a first support bearing seat 16 in the frame 6; the output shaft of the first motor 2 drives the stirring shaft 17; the first motor 2 is arranged on the fixed base 8 through the first bracket 3.
The stirring mechanism comprises a stirring blade 18 arranged on the rear section of the stirring shaft 17; the periphery of the stirring blade 18 is provided with a baffle plate 13, only one end of the baffle plate 13 is hinged with the frame 6 through a hinge 14, and the bottom of the baffle plate 13 is connected with two lifters 12. The lifters 12 are all arranged below the striker plate 13 and are controlled through hydraulic pressure, when the lifters 12 are retracted, the striker plate 13 rotates downwards through a hinge, and the preliminarily stirred concrete mixture falls below the striker plate. The distance between the stirring blade 18 and the stand 6 and the distance between the stirring blade 18 and the striker plate 13 are small, and when the stirring blade 18 is used for stirring, the concrete mixture on the stirring cylinder wall and the striker plate 13 can be taken away.
The vibration stirring mechanism comprises a vibration stirring shaft 11 fixed in the middle of the frame 6, a vibration stirring blade 19 is arranged on the vibration stirring shaft 11, the vibration stirring shaft 11 is fixedly connected to the frame 6 through a second supporting bearing 4, the second supporting bearing 4 is fixed in the middle of the frame 6 through a second supporting bearing seat 10 and a fixing frame 9, an output shaft of the second motor 5 drives the vibration stirring shaft 11, and the second motor 5 is arranged on a fixing base 8 through a second support 7.
Referring to fig. 3 and 4, the vibrating agitating blades 19 are arcuate blades distributed in the circumferential direction. The vibration stirring blade 19 changes the vibration stirring amplitude by changing the height of the blade, wherein the amplitude A is R-R, R is the maximum radius of the vibration stirring blade, and R is the radius of the root of the blade; the frequency of the stirring is changed by changing the number of the blades, wherein the frequency of the vibrating stirring blades is N multiplied by the rotating speed of the second motor/60, and N is the number of the blades.
The utility model discloses a theory of operation:
putting the mixed materials into the feeding hole 1, driving the spiral feeder 21 and the spiral stirring blade 20 to rotate by the first motor 2, fully mixing the concrete mixture under the stirring of the spiral feeder 21 and the spiral stirring blade 20, conveying the mixed materials backwards to the stirring blade 18 by the spiral feeder 21 for further mixing, stirring the mixed concrete materials by the stirring blade 18 for the first time, and then withdrawing the lifter 12 and opening the striker plate 13; at this time, the second motor 5 drives the vibrating stirring blade 19 to rotate, and starts to stir the mixture falling from above, the vibrating stirring blade 19 can change the amplitude of the vibrating stirring by changing the height of the blade, and the vibrating stirring can realize a higher quality concrete mixture by changing the number of the blades and changing the frequency of the stirring. And the method realizes simple vibration stirring device, the common stirring is matched with the vibration stirring, the mixing is sufficient, the stirring quality is effectively improved, the stirring is rapid, and the damage to the support bearing is small.
Claims (4)
1. A multistage concrete vibration mixer is characterized by comprising a feeding mechanism, a mixing mechanism and a vibration mixing mechanism which are fixed in a frame (6);
the feeding mechanism comprises a feeding hole (1) arranged above the rack (6), the feeding hole (1) is communicated with a screw feeder (21), and a screw stirring blade (20) is arranged on the screw feeder (21); the screw feeder (21) is connected with the first support bearing (15) through a stirring shaft (17); an output shaft of the first motor (2) drives the stirring shaft (17);
the stirring mechanism comprises a stirring blade (18) arranged on the rear section of the stirring shaft (17); a material baffle plate (13) is arranged at the periphery of the stirring blade (18), only one end of the material baffle plate (13) is hinged with the frame (6) through a hinge (14), and the bottom of the material baffle plate (13) is connected with two lifters (12);
the vibration stirring mechanism comprises a vibration stirring shaft (11) fixed in the middle of the rack (6), vibration stirring blades (19) are arranged on the vibration stirring shaft (11), the vibration stirring shaft (11) is connected and fixed on the rack (6) through a second supporting bearing (4), and an output shaft of a second motor (5) drives the vibration stirring shaft (11).
2. A multistage concrete mixer according to claim 1, wherein said helical mixing blades (20) are provided with through holes (22).
3. A multistage concrete mixer according to claim 1, wherein said vibrating mixing blades (19) are arcuate blades distributed circumferentially.
4. The multistage concrete vibratory mixer of claim 1, wherein said vibratory mixing blade (19) varies the amplitude of the vibratory mixing by varying the height of the blade, the amplitude a being R-R, R being the maximum radius of the vibratory mixing blade and R being the root radius of the blade; the frequency of the stirring is changed by changing the number of the blades, wherein the frequency of the vibrating stirring blades is N multiplied by the rotating speed of the second motor/60, and N is the number of the blades.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022205523.3U CN213593250U (en) | 2020-09-30 | 2020-09-30 | Multistage concrete vibration mixer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022205523.3U CN213593250U (en) | 2020-09-30 | 2020-09-30 | Multistage concrete vibration mixer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213593250U true CN213593250U (en) | 2021-07-02 |
Family
ID=76590103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022205523.3U Active CN213593250U (en) | 2020-09-30 | 2020-09-30 | Multistage concrete vibration mixer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213593250U (en) |
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2020
- 2020-09-30 CN CN202022205523.3U patent/CN213593250U/en active Active
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