CN218639986U

CN218639986U - Vibration stirrer

Info

Publication number: CN218639986U
Application number: CN202223156336.6U
Authority: CN
Inventors: 徐书震; 杜海涛; 常建设; 李娜; 徐政; 魏增; 季瑞颖; 李敏
Original assignee: Henan Highway Engineering Group Co Ltd
Current assignee: Henan Highway Engineering Group Co Ltd
Priority date: 2022-11-28
Filing date: 2022-11-28
Publication date: 2023-03-17
Anticipated expiration: 2032-11-28

Abstract

The utility model discloses a vibration stirrer, which comprises a frame and a barrel body, wherein the top of the barrel body is provided with a feeding pipe, the bottom of the barrel body is provided with a discharging pipe, the inside of the barrel body is provided with a rotating shaft and a plurality of stirring parts, and the left side and the right side of the barrel body are respectively provided with a vibration component and a driving component; the rotating shaft penetrates through the barrel, one end of the rotating shaft is connected with the vibrating assembly through a first bearing, and the other end of the rotating shaft is supported on the rack through a second bearing and is connected with the driving assembly; the vibration assembly comprises a bearing seat and a vibration exciter; the driving assembly comprises a motor and a speed reducer, the speed reducer is connected with the motor through a transmission assembly, and an output shaft of the speed reducer is connected with the rotating shaft through a coupler; the motor passes through the bottom plate to be installed in the frame, and the one end of bottom plate passes through the hinge and articulates in the frame, and the other end of bottom plate is provided with adjusting part. The utility model has the advantages of improving the strength of concrete and the mixing uniformity of materials.

Description

Vibration stirrer

Technical Field

The utility model relates to a concrete mixing equipment technical field, concretely relates to vibration mixer.

Background

The coagulation generally refers to using cement as a cementing material and sand and stone as aggregates; the cement concrete, also called as common concrete, is obtained by mixing the cement concrete and water according to a certain proportion and stirring, and has the characteristics of high compressive strength, good durability, wide strength grade range and the like. In the construction process, a concrete mixer is required to be frequently used for mixing concrete.

The concrete mixer is a direct device for implementing concrete mixing, and the function of the mixer is to mix the prepared materials into a mixture which is uniform and meets the quality requirement. The traditional stirrer mainly comprises blades and a rotating shaft, mainly moves in the circumferential direction, is single in stirring mode, can enable a mixture to be macroscopically homogeneous in a short time, but still finds that 10-30% of cement particles are adhered to form micro cement clusters under a microscope, namely, the micro cement clusters are not microscopically homogeneous. Because the hydration of the cement is only carried out on the surfaces of the cement particles, if the cement particles are agglomerated, the area of the hydration is reduced, so that hydration products with strength of the concrete are reduced, and the agglomeration phenomenon not only wastes the cement, but also influences the improvement of the strength of the concrete.

Disclosure of Invention

The utility model discloses a solve traditional mixer because of the stirring mode is single, there is the concrete intensity of mixer stirring low, the not enough problem of material mix homogeneity, provided a vibration mixer, can improve the concrete intensity, improve the material and mix the homogeneity.

In order to realize the purpose, the technical scheme of the utility model is that:

a vibration stirrer comprises a rack and a barrel fixedly arranged on the rack, wherein a feeding pipe is arranged at the top of the barrel, a discharging pipe is arranged at the bottom of the barrel, a rotating shaft and a plurality of stirring parts are arranged in the barrel, the stirring parts are arranged on the rotating shaft at intervals along the axial direction of the rotating shaft, and a vibration assembly and a driving assembly are respectively arranged at the left side and the right side of the barrel;

the rotating shaft penetrates through the cylinder body, one end of the rotating shaft is connected with the vibrating assembly through a first bearing, and the other end of the rotating shaft is supported on the rack through a second bearing and is connected with the driving assembly;

the vibration assembly comprises a bearing seat and a vibration exciter fixedly arranged on one side above the bearing seat; the driving assembly comprises a motor and a speed reducer, the speed reducer is connected with the motor through a transmission assembly, and an output shaft of the speed reducer is connected with the rotating shaft through a coupler; the motor is installed on the rack through the bottom plate, one end of the bottom plate is hinged to the rack through a hinge, and the other end of the bottom plate is provided with an adjusting assembly.

Further, stirring portion includes rabbling arm and scraper blade, the one end of rabbling arm is fixed in the pivot, the other end at the rabbling arm is fixed to the scraper blade, through setting up a plurality of rabbling arms and scraper blade, has reached the stirring and has piled up the purpose at the barrel inner wall with preventing the material.

Furthermore, the transmission assembly comprises a first chain wheel, a second chain wheel and a chain for connecting the first chain wheel and the second chain wheel, the first chain wheel is fixed on an output shaft of the motor, and the second chain wheel is fixed on an input shaft of the speed reducer.

Further, the adjusting part includes two sleeve pipes and adjusts the pole, it includes horizontal part and vertical portion to adjust the pole, the both ends of horizontal part are inserted respectively to two intraductal sleeves, vertical portion lateral surface is provided with the screw thread and runs through the via hole that has on the bottom plate, the bilateral symmetry of via hole is provided with the nut, the nut cover is established in vertical portion, is convenient for install the chain through setting up adjusting part.

Furthermore, the coupling is a flexible coupling, so that the vibration stirrer is prevented from being broken down during working.

Further, the bearing seat is connected with the frame through a rubber shock absorber.

Furthermore, the outside of speed reducer is covered with the casing, one side of chain is provided with the backplate, and casing and backplate have played the guard action.

Through the technical scheme, the beneficial effects of the utility model are that:

the utility model discloses the during operation drives pivot and stirring portion through drive assembly and rotates, each stirring portion sets up in the pivot along the axis direction interval arrangement ground of pivot, thereby realize the stirring to the material, the exciting force is applyed to the bearing frame to the vibration exciter in the vibration subassembly simultaneously, bearing on the bearing frame and then drive the pivot vibration, thereby realize in the stirring in-process vibration action in addition, compare in traditional single stirring mode, effectively improved the material and blended the effect, have and can improve the concrete intensity, improve the material and blend the advantage of homogeneity.

The utility model discloses in be provided with adjusting part, under the cooperation of nut and regulation pole, can adjust the elasticity of chain as required, not only be convenient for load and unload the chain, make the chain in operation remain certain tension throughout moreover, under the drive of sprocket one, two operations of effective drive sprocket guarantee the continuous steady operation of machine.

Drawings

FIG. 1 is a schematic perspective view of a vibratory blender of the present invention;

FIG. 2 is a front view of a vibratory blender of the present invention, with the housing and protective plate not shown;

FIG. 3 isbase:Sub>A schematic cross-sectional view taken along line A-A of FIG. 2 ofbase:Sub>A vibratory agitator of the present invention;

fig. 4 is a schematic view of an adjustment assembly of the present invention for a vibratory blender.

The reference numbers in the drawings are as follows:

the vibration reducer comprises a frame 1, a barrel 2, a feeding pipe 3, a discharging pipe 4, a rotating shaft 5, a bearing I6, a bearing seat 7, a vibration exciter 8, a motor 9, a speed reducer 10, a coupler 11, a base plate 12, a hinge 13, a stirring arm 14, a scraping plate 15, a chain wheel I16, a chain wheel II 17, a chain 18, a sleeve 19, an adjusting rod 20, a nut 21, a rubber shock absorber 22, a shell 23 and a protecting plate 24.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and detailed description:

in the description of the present invention, it is to be understood that the terms "left", "right", "upper", "lower", "lateral", "vertical", and the like, indicate orientations or positional relationships based on the orientation or positional relationships shown in fig. 1, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the present invention.

Example one

As shown in fig. 1 to 4, a vibration mixer comprises a frame 1 and a barrel 2 fixedly arranged on the frame 1, wherein a feeding pipe 3 is arranged at the top of the barrel 2, a discharging pipe 4 is arranged at the bottom of the barrel 2, a rotating shaft 5 and a plurality of stirring parts are arranged in the barrel 2, the stirring parts are arranged on the rotating shaft 5 at intervals along the axial direction of the rotating shaft 5, and a vibration assembly and a driving assembly are respectively arranged at the left side and the right side of the barrel 2; the rotating shaft 5 penetrates through the barrel 2, one end of the rotating shaft 5 is connected with the vibrating assembly through the first bearing 6, and the other end of the rotating shaft 5 is supported on the rack 1 through the second bearing and is connected with the driving assembly.

Specifically, the vibration assembly comprises a bearing seat 7 and a vibration exciter 8 fixedly arranged on one side above the bearing seat 7; the driving assembly comprises a motor 9 and a speed reducer 10, the speed reducer 10 is connected with the motor 9 through a transmission assembly, and an output shaft of the speed reducer 10 is connected with the rotating shaft 5 through a coupler 11; the motor 9 is installed on the frame 1 through a bottom plate 12, one end of the bottom plate 12 is hinged on the frame 1 through a hinge 13, and the other end of the bottom plate 12 is provided with an adjusting component.

In this embodiment, stirring portion includes rabbling arm 14 and scraper blade 15, and the one end of rabbling arm 14 is fixed on pivot 5, and scraper blade 15 is fixed at the other end of rabbling arm 14, through setting up a plurality of rabbling arms 14 and scraper blade 15, has reached the stirring and has piled up the purpose at barrel 2 inner wall with preventing the material.

Referring to fig. 2 again, the transmission assembly includes a first sprocket 16, a second sprocket 17 and a chain 18 connecting the first sprocket 16 and the second sprocket 17, the first sprocket 16 is fixed on the output shaft of the motor 9, and the second sprocket 17 is fixed on the input shaft of the reducer 10.

Referring to fig. 4 again, the adjusting assembly includes two sleeves 19 and an adjusting rod 20, the adjusting rod 20 includes a horizontal portion and a vertical portion, two ends of the horizontal portion are inserted into the two sleeves 19 respectively, the outer side surface of the vertical portion is provided with threads and penetrates through a through hole formed in the bottom plate 12, nuts 21 are symmetrically arranged on two sides of the through hole, the nuts 21 are sleeved on the vertical portion, and under the cooperation of the nuts 21 and the adjusting rod 20, the tightness of the chain 18 can be adjusted as required, so that the chain 18 can be assembled and disassembled conveniently, the chain 18 in operation can always maintain a certain tension, the chain wheel one 16 drives the chain wheel two 17 to operate effectively, and the continuous and stable operation of the machine is ensured.

In addition, a shell 23 is covered outside the speed reducer 10, a guard plate 24 is arranged on one side of the chain 18, and the shell 23 and the guard plate 24 play a role in protection.

In this embodiment, shaft coupling 11 is flexible coupling, because vibration mixer is at the during operation, 5 only single-ended vibrations of pivot, so, 5 absolutely can produce the inclination of certain limit of pivot, and flexible coupling can make the compensation to this angle slope phenomenon, avoids vibration mixer to break down at the during operation.

In this embodiment, the vibration exciter 8 is an eccentric block type vibration exciter, the rotation speed of a rotor of the vibration exciter can be adjusted, or the magnitude of the exciting force can be adjusted by adjusting an eccentric block, so as to change the amplitude of the vibration exciter, specifically, when the vibration exciter is used, the amplitude of the eccentric block of the vibration exciter is adjusted to 2.5mm, and the rotation speed of the rotor of the vibration exciter is adjusted to 2500rpm, please refer to fig. 3 again, the vibration exciter 8 applies the exciting force to the bearing seat 7 in the vibration assembly, the first bearing 6 on the bearing seat 7 further drives the rotating shaft 5 to vibrate, in order to reduce the vibration transmitted from the bearing seat 7 to the frame 1, the bearing seat 7 is connected with the frame 1 through the rubber damper 22, the rubber damper 22 is of a new and constant brand and has an ALJ-34/35 model, the absorption of the high-frequency vibration energy is particularly prominent, the service life of the vibration mixer is ensured, in addition, the structure of the rubber damper is simpler, and the maintenance is also more convenient.

The working principle is as follows:

referring to fig. 2 and 3 again, when the mixer is used, a mixture is put into the cylinder 2 through the feeding pipe 3, the motor 9 drives the speed reducer to work under the action of the chain 18 after being started, so that the rotating shaft 5 and the stirring part are driven to rotate together, the bearing seat 7 in the vibration assembly is connected with the vibration exciter 8, the vibration exciter 8 applies an exciting force to the bearing seat 7, and the bearing 6 on the bearing seat 7 further drives the rotating shaft 5 to vibrate, so that the cement particles are vibrated in the stirring process, the cohesive structure of cement and water is destroyed, the cement particles are fully hydrated, the material stirring effect is effectively improved, and the mixer has remarkable effects on improvement of the microstructure of concrete, saving of cement, enhancement of strength and the like; in addition, the bottom of the barrel body 2 is provided with a discharging pipe 4, the mixed material in the barrel body 2 is discharged through the discharging pipe 4, specifically, a rotary discharging door is arranged on the discharging pipe 4, which is not shown in the figure, and is in a closed state during the working process.

To sum up, the utility model has the advantages of can improve the concrete intensity, improve material mix homogeneity.

The above embodiments are merely preferred embodiments of the present invention, and not intended to limit the scope of the invention, so that equivalent changes and modifications made according to the structure, characteristics and principles of the present invention are all included in the scope of the present invention.

Claims

1. A vibration stirrer comprises a rack (1) and a barrel (2) fixedly arranged on the rack (1), wherein a feeding pipe (3) is arranged at the top of the barrel (2), and a discharging pipe (4) is arranged at the bottom of the barrel, and the vibration stirrer is characterized in that a rotating shaft (5) and a plurality of stirring parts are arranged in the barrel (2), the stirring parts are arranged on the rotating shaft (5) at intervals along the axial direction of the rotating shaft (5), and a vibration assembly and a driving assembly are respectively arranged at the left side and the right side of the barrel (2);

the rotating shaft (5) penetrates through the barrel (2), one end of the rotating shaft (5) is connected with the vibrating assembly through a bearing I (6), and the other end of the rotating shaft (5) is supported on the rack (1) through a bearing II and is connected with the driving assembly;

the vibration assembly comprises a bearing seat (7) and a vibration exciter (8) fixedly arranged on one side above the bearing seat (7); the driving assembly comprises a motor (9) and a speed reducer (10), the speed reducer (10) is connected with the motor (9) through a transmission assembly, and an output shaft of the speed reducer (10) is connected with the rotating shaft (5) through a coupler (11); the motor (9) is installed on the rack (1) through the bottom plate (12), one end of the bottom plate (12) is hinged to the rack (1) through the hinge (13), and the other end of the bottom plate (12) is provided with the adjusting component.

2. A vibratory mixer as claimed in claim 1, characterised in that the mixing section comprises a mixing arm (14) and a scraper (15), one end of the mixing arm (14) being secured to the shaft (5) and the scraper (15) being secured to the other end of the mixing arm (14).

3. A vibratory mixer as claimed in claim 1, wherein the drive assembly includes a first sprocket (16), a second sprocket (17), and a chain (18) connecting the first sprocket (16) and the second sprocket (17), the first sprocket (16) being secured to the output shaft of the motor (9), and the second sprocket (17) being secured to the input shaft of the reducer (10).

4. The vibration stirrer according to claim 1, wherein the adjusting assembly comprises two sleeves (19) and an adjusting rod (20), the adjusting rod (20) comprises a horizontal part and a vertical part, two ends of the horizontal part are respectively inserted into the two sleeves (19), the outer side surface of the vertical part is provided with threads and penetrates through a through hole formed in the bottom plate (12), nuts (21) are symmetrically arranged on two sides of the through hole, and the nuts (21) are sleeved on the vertical part.

5. A vibratory mixer as claimed in claim 1, wherein said coupling (11) is a flexible coupling.

6. A vibratory mixer as claimed in claim 1, wherein the bearing housing (7) is connected to the frame (1) by means of a rubber damper (22).

7. A vibratory mixer as claimed in claim 3, wherein the reducer (10) is externally covered by a housing (23) and the chain (18) is provided on one side with a guard (24).