CN218609177U

CN218609177U - Transmission mechanism of stirrer

Info

Publication number: CN218609177U
Application number: CN202222834590.0U
Authority: CN
Inventors: 谢伟民; 邓一刚
Original assignee: Yiheng Life Science Instrument Kunshan Co ltd
Current assignee: Yiheng Life Science Instrument Kunshan Co ltd
Priority date: 2022-10-26
Filing date: 2022-10-26
Publication date: 2023-03-14
Anticipated expiration: 2032-10-26

Abstract

The utility model relates to a transmission mechanism of a stirrer, which relates to the technical field of stirrers and comprises a fixed plate, wherein one end of the fixed plate is provided with a driving motor, and a driving rod of the driving motor penetrates through the fixed plate along the vertical direction; a stirring main shaft is arranged at one end, far away from the driving motor, of the fixing plate and is arranged along the vertical direction, and one end of the stirring main shaft penetrates through the fixing plate; a driving wheel is coaxially arranged on a driving rod of the driving motor, a driven wheel is coaxially arranged on the stirring main shaft, the driving wheel and the driven wheel are positioned on the same side of the fixing plate, and a circular synchronous wedge-shaped belt is arranged between the driving wheel and the driven wheel; the diameters of the driving wheel and the driven wheel are different in size. The utility model has the advantages of low cost and convenient assembly.

Description

Transmission mechanism of stirrer

Technical Field

The utility model belongs to the technical field of the technique of agitator and specifically relates to a drive mechanism of agitator is related to.

Background

The stirrer is an effective device for mixing different raw materials, and in the industrial fields such as petroleum, chemical industry, food, textile and the like, the raw materials are often required to be mixed, and the stirrer is required to be used for the purpose.

The agitator on the existing market, especially laboratory put top formula agitator, its variable speed drive mechanism generally adopts the gear train variable speed, but gear machining cost is high, and assembly process requires highly, and is comparatively inconvenient in the in-service use process.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a transmission of agitator, it has the advantage that the cost is lower, the equipment is convenient to the not enough of prior art existence.

The above object of the present invention can be achieved by the following technical solutions:

a transmission mechanism of a stirrer comprises a fixed plate, wherein one end of the fixed plate is provided with a driving motor, and a driving rod of the driving motor penetrates through the fixed plate in the vertical direction;

a stirring main shaft is arranged at one end, far away from the driving motor, of the fixing plate, the stirring main shaft is arranged along the vertical direction, and one end of the stirring main shaft penetrates through the fixing plate;

a driving wheel is coaxially arranged on a driving rod of the driving motor, a driven wheel is coaxially arranged on the stirring main shaft, the driving wheel and the driven wheel are positioned on the same side of the fixing plate, and a circular synchronous wedge-shaped belt is arranged between the driving wheel and the driven wheel;

the diameters of the driving wheel and the driven wheel are different in size.

Through adopting above-mentioned technical scheme, when stirring the operation, insert the puddler in the stirring main shaft, open driving motor, driving motor drives the action wheel rotation to drive from the driving wheel rotation, and then make the stirring main shaft rotatory, the speed of adjustment puddler begins the stirring operation. The variable speed drive mechanism who discloses in this application compares in traditional gear train variable speed, in the in-service use process, need not to consider the action wheel and follow the assembly relation between the driving wheel to reduce manufacturing cost and assembly degree of difficulty, make in use more convenient. And the transmission ratio of the transmission structure can be adjusted by replacing the driving shaft and the driven shaft, and the speed regulation range of the transmission structure is enlarged.

The utility model discloses further set up to: all seted up a plurality of wedge grooves, multichannel on the outer face of cylinder of action wheel and follow driving wheel the wedge groove sets up along axial interval, be provided with a plurality of wedge rings on the synchronous wedge of ring inboard wall, the quantity of wedge ring equals with the quantity in wedge groove, each the wedge ring inlays to be established in a wedge inslot.

The utility model discloses further set up to: the stirring machine is characterized in that a main shaft circular seat is arranged on the fixing plate, the axis of a driving rod of the driving motor is parallel to the axis of the main shaft circular seat and perpendicular to the same plane of the fixing plate, the stirring main shaft is inserted on the main shaft circular seat, and a bearing is arranged between the stirring main shaft and the main shaft circular seat.

The utility model discloses further set up to: the bearing is provided with two, two the bearing sets up with the main shaft circle seat is coaxial and sets up respectively at the both ends of main shaft circle seat.

The utility model discloses further set up to: the driving motor is a brushless motor.

The utility model discloses further set up to: the stirring main shaft is a hollow shaft.

The utility model discloses further set up to: and a self-locking chuck is arranged at one end of the stirring main shaft, and the self-locking chuck is rigidly connected with the stirring main shaft through a connecting piece.

The utility model discloses further set up to: the diameter length of the driving wheel is larger than that of the driven wheel.

The utility model discloses further set up to: the diameter length of the driving wheel is smaller than that of the driven wheel.

To sum up, the utility model discloses a beneficial technological effect does:

1. the assembly relationship between the driving wheel and the driven wheel does not need to be considered, so that the production cost and the assembly difficulty are reduced;

2. the transmission ratio of the transmission structure can be adjusted by replacing the driving shaft and the driven shaft, so that the speed regulation range of the transmission structure is enlarged;

3. the brushless motor is adopted to reduce the vibration and noise in operation, so that the equipment is more suitable for the laboratory environment.

Drawings

FIG. 1 is a schematic view of a transmission mechanism according to a first embodiment;

FIG. 2 is a front view of the transmission;

FIG. 3 is a cross-sectional view of the transmission;

FIG. 4 is an enlarged view of portion A of FIG. 3;

fig. 5 is a schematic structural diagram of a transmission mechanism in the second embodiment.

In the figure, 1, fixing plate; 2. a drive motor; 3. a stirring main shaft; 4. a driving wheel; 5. a driven wheel; 51. a wedge-shaped groove; 6. a circular ring synchronous wedge band; 61. a wedge ring; 7. a main shaft round seat; 8. a bearing; 9. a self-locking chuck; 10. a connecting member.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The first embodiment is as follows:

referring to fig. 1 and 2, for the utility model discloses a transmission of agitator, including the fixed plate 1 that becomes the rectangle, the one end of fixed plate 1 is provided with driving motor 2, and driving motor 2 passes through the up end rigid connection of screw and nut and fixed plate 1, and the axial perpendicular to fixed plate 1 of driving motor 2's actuating lever, and the one end of driving motor 2's actuating lever runs through fixed plate 1 along vertical direction. In this embodiment, driving motor 2 is the brushless DC motor, and brushless DC motor does not have the commutation carbon brush, does not produce commutation friction spark, and the noise is lower, is fit for digital speed governing and accuse speed, and driving motor 2 adopts DC power supply (24 volts) power supply simultaneously, and the power consumption security is better.

Referring to fig. 1 and 2, a spindle circular seat 7 is fixedly connected to one end of the fixing plate 1 far away from the driving motor 2, the spindle circular seat 7 and the driving motor 2 are located on the same end surface of the fixing plate 1, and an axis of the spindle circular seat 7 is parallel to an axis of a driving rod of the driving motor 2. A stirring main shaft 3 is inserted into the main shaft round seat 7, the stirring main shaft 3 and the main shaft round seat 7 are coaxially arranged, the stirring main shaft 3 is a hollow shaft, and the hollow purpose is that a straight rod of a stirring paddle can penetrate through the main shaft, so that the stirring paddle can conveniently move up and down and be disassembled and replaced.

Referring to fig. 3, coaxial cover is equipped with two bearings 8 on stirring main shaft 3, and two bearings 8 intervals set up and are located the both ends of main shaft circle seat 7 respectively, and bearing 8 in this embodiment is deep groove ball bearing 8, and the interior circle of bearing 8 and the excircle butt of stirring main shaft 3, the excircle butt of bearing 8 and the inner wall butt of main shaft circle seat 7. The bearing 8 plays a role in limiting the stirring main shaft 3, so that the stirring main shaft 3 can only rotate along the circumferential direction and cannot slide up and down along the axial direction.

Referring to fig. 1, the one end that driving motor 2's actuating lever stretches out fixed plate 1 is connected with action wheel 4, action wheel 4 and driving motor 2's actuating lever coaxial arrangement, and 3 pot heads of stirring main shaft are equipped with from driving wheel 5, from driving wheel 5 and the coaxial setting of stirring main shaft 3, action wheel 4 with lie in same one side of fixed plate 1 from driving wheel 5, action wheel 4 with all fix through fixing bolt from driving wheel 5. A circular ring synchronous wedge-shaped belt 6 is arranged between the driving wheel 4 and the driven wheel 5, and two ends of the circular ring synchronous wedge-shaped belt 6 are respectively sleeved on the driving wheel 4 and the driven wheel 5. The distance between the axis of the stirring spindle 3 and the axis of the drive shaft of the drive motor 2 determines and defines the sum of the half diameters of the driving 4 and driven 5 wheels and thus the circumference of the endless synchronous wedge belt 6. In this embodiment, the radial length of the driving wheel 4 is less than the radial length of the driven wheel 5, and after the driving wheel 4 is driven by the driving motor 2 to rotate for one turn, the number of rotation turns of the driven wheel 5 is less than one turn, so that the speed reduction effect is achieved, and the speed reduction ratio of the transmission mechanism is equal to the diameter of the driving wheel 4 divided by the diameter of the driven wheel 5.

Referring to fig. 1 and 4, a plurality of wedge grooves 51 are formed in the outer cylindrical surface of the driving wheel 4 and the outer cylindrical surface of the driven wheel 5, the wedge grooves 51 are arranged along the axial direction of the driving wheel 4 and the axial direction of the driven wheel 5 at intervals, the cross section of each wedge groove 51 is V-shaped, a plurality of wedge rings 61 are arranged on the inner side wall of the circular ring synchronous wedge-shaped belt 6, the number of the wedge rings 61 is equal to that of the wedge grooves 51, and each wedge ring 61 is embedded in one wedge groove 51. When the ring synchronous wedge belt 6 wraps the driving wheel 4 and the driven wheel 5, the wedge-shaped ring 61 is matched with the wedge-shaped groove 51, so that the ring synchronous wedge is tightly connected with the driving wheel 4 and the driven wheel 5.

Referring to fig. 1, a self-locking chuck 9 is connected to an end of the mixing spindle 3 where the driven wheel 5 is located, and a connecting member 10 is integrally formed at a top end of the self-locking chuck 9, wherein the connecting member 10 is a clip in this embodiment.

The implementation principle of the embodiment is as follows: when carrying out the stirring operation, insert the puddler in stirring main shaft 3, open driving motor 2, driving motor 2 drives action wheel 4 rotatory to drive and rotate from driving wheel 5, and then make stirring main shaft 3 rotatory, the speed of adjustment puddler begins the stirring operation. The variable speed drive mechanism who discloses in this application compares in traditional gear train variable speed, in the in-service use process, need not to consider the assembly relation between action wheel 4 and the follow driving wheel 5 to manufacturing cost and assembly degree of difficulty have been reduced, make in use more convenient. And the transmission ratio of the transmission structure can be adjusted by replacing the driving shaft and the driven shaft, and the speed regulation range of the transmission structure is enlarged.

Example two

Referring to fig. 5, in order to the present invention discloses a transmission mechanism of a blender, which is based on the first embodiment and is different from the first embodiment in that: the path length of action wheel 4 is greater than the path length from driving wheel 5, rotates the round at action wheel 4 after, and the number of turns of rotation from driving wheel 5 must be greater than the round, and drive mechanism's speed-increasing ratio equals action wheel 4 diameter ÷ from driving wheel 5 diameter to play the effect of speed-increasing.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a drive mechanism of agitator which characterized in that: the device comprises a fixing plate (1), wherein one end of the fixing plate (1) is provided with a driving motor (2), and a driving rod of the driving motor (2) penetrates through the fixing plate (1) in the vertical direction;

a stirring main shaft (3) is arranged at one end, far away from the driving motor (2), of the fixing plate (1), the stirring main shaft (3) is arranged along the vertical direction, and one end of the stirring main shaft (3) penetrates through the fixing plate (1);

a driving wheel (4) is coaxially arranged on a driving rod of the driving motor (2), a driven wheel (5) is coaxially arranged on the stirring main shaft (3), the driving wheel (4) and the driven wheel (5) are positioned on the same side of the fixing plate (1), and a circular synchronous wedge-shaped belt (6) is arranged between the driving wheel (4) and the driven wheel (5);

the diameters of the driving wheel (4) and the driven wheel (5) are different.

2. A drive mechanism for a blender, as claimed in claim 1, wherein: all seted up a plurality of wedge grooves (51) on action wheel (4) and the outer face of cylinder from driving wheel (5), multichannel wedge groove (51) set up along axial interval, be provided with a plurality of wedge rings (61) on ring synchronization wedge area (6) inside wall, the quantity of wedge ring (61) equals with the quantity of wedge groove (51), each wedge ring (61) inlay and establish in one wedge groove (51).

3. A drive mechanism for a mixer as claimed in claim 2, wherein: be provided with main shaft circle seat (7) on fixed plate (1), the axis of the actuating lever of driving motor (2) is parallel and the coplanar of perpendicular to fixed plate (1) with the axis of main shaft circle seat (7), stirring main shaft (3) are inserted and are established on main shaft circle seat (7), be provided with bearing (8) between stirring main shaft (3) and main shaft circle seat (7).

4. A drive mechanism for a mixer as claimed in claim 3, wherein: the two bearings (8) are coaxially arranged with the main shaft circular seat (7) and are respectively arranged at two ends of the main shaft circular seat (7).

5. A drive mechanism for a mixer as claimed in claim 2, wherein: the driving motor (2) is a brushless motor.

6. A drive mechanism for a mixer as claimed in claim 2, wherein: the stirring main shaft (3) is a hollow shaft.

7. The transmission mechanism of a mixer according to claim 6, wherein: and a self-locking chuck (9) is arranged at one end of the stirring main shaft (3), and the self-locking chuck (9) is rigidly connected with the stirring main shaft (3) through a connecting piece (10).

8. A drive mechanism for a mixer according to claim 2 wherein: the diameter length of the driving wheel (4) is larger than that of the driven wheel (5).

9. A drive mechanism for a mixer as claimed in claim 2, wherein: the diameter length of the driving wheel (4) is smaller than that of the driven wheel (5).