CN214765192U - Mixer drive assembly - Google Patents

Abstract

The application discloses mixer drive assembly, including the fixed bolster that is used for with storage container fixed connection, the drive shaft of being connected is rotated with the fixed bolster through mechanical seal, a rotation support for ordering about drive shaft pivoted drive arrangement and being used for fixed drive arrangement, rotation support rotates with the fixed bolster to be connected, the hookup is including the primary importance that can make drive arrangement's output and the first end transmission of drive shaft be connected and make rotation support rotate from the drive shaft and form the second place in loading and unloading space at the first end of drive shaft, when rotation support is located the primary importance, fixed connection can be dismantled with the fixed bolster to rotation support, drive arrangement's output and drive connection between the drive shaft are for dismantling fixed connection. So set up, when changing mechanical seal, only need to make the runing rest rotate for the fixed bolster, need not to dismantle drive arrangement completely get off, reduced operator's intensity of labour, labour saving and time saving.

Description

Mixer drive assembly

Technical Field

The utility model relates to an agitator machine technical field especially relates to a mixer drive assembly.

Background

The stirrer is a common machine in the industries of chemical engineering and the like, is widely applied to reaction kettles, mixing tanks and the like, has higher requirement on sealing performance in use, and often needs shaft seal for the stirrer. Generally, a mechanical seal is arranged between the stirring shaft and the side wall of the equipment cylinder, belongs to a quick-wear part, and has high replacement frequency. Among the prior art, motor and reduction gear fixed mounting are connected with the (mixing) shaft transmission after on the equipment barrel, when changing, generally need dismantle motor and reduction gear from the equipment barrel, just can change the epaxial mechanical seal of stirring, waste time and energy, lead to down time long, influence production.

Therefore, how to solve the problem of time and labor waste caused by the need of detaching the motor and the reducer from the equipment when the mechanical seal of the stirrer in the prior art is replaced becomes an important technical problem to be solved by technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

For overcoming the problem that exists in the correlation technique at least to a certain extent, the application provides a mixer drive assembly, and it can solve the mixer among the prior art when changing mechanical seal, need dismantle the problem that wastes time and energy that leads to with motor and reduction gear from equipment.

The utility model discloses a realize like this: a driving assembly of a stirring machine comprises a fixed bracket fixedly connected with a material storage container, a driving shaft rotationally connected with the fixed bracket through a mechanical seal, a driving device for driving the driving shaft to rotate and a rotating bracket for fixing the driving device,

the rotating bracket is rotatably connected with the fixed bracket, the rotating positions comprise a first position which can make the output end of the driving device be in transmission connection with the first end of the driving shaft and a second position which can make the rotating bracket rotate away from the driving shaft and form a loading and unloading space at the first end of the driving shaft,

when the rotating support is located at the first position, the rotating support is detachably and fixedly connected with the fixed support, and the output end of the driving device is detachably and fixedly connected with the driving shaft in a transmission manner.

Preferably, the fixed bolster with rotate between the support and can dismantle the connection through first bolt assembly, first bolt assembly is provided with a plurality ofly, and is a plurality of first bolt assembly is array distribution.

Preferably, the number of the first bolt assemblies is four, and the distance between the first bolt assemblies in each row is equal to the distance between the first bolt assemblies in each column.

Preferably, the distance between the first bolt assemblies in each row is smaller than the distance between the first bolt assemblies in each row, two second bolt assemblies are further arranged on the rotating bracket and the fixed bracket, the second bolt assemblies are located between two adjacent rows of the first bolt assemblies, and the distance between the second bolt assemblies and one row of the first bolt assemblies is equal to the distance between the two second bolt assemblies.

Preferably, the output end of the driving device is provided with a first half coupling, the first end of the driving shaft is provided with a second half coupling, and the first half coupling is detachably connected with the second half coupling through a third bolt assembly.

Preferably, the runing rest is the disc structure, the fixed bolster is close to drive arrangement's one end sets up the fixed plate, first half-coupling is close to the one end of drive shaft with the runing rest is close to the one end parallel and level of drive shaft, the second half-coupling is close to drive arrangement's one end with the fixed plate parallel and level.

Preferably, the first end of drive shaft stretches into the second half-coupling and with the second half-coupling key-type connection, the drive shaft with still be provided with the axial positioning subassembly between the second half-coupling, the axial positioning subassembly includes end plate and screw, the screw runs through the end plate with drive shaft threaded connection, the end plate press from both sides tightly in the nut end of screw with between the second half-coupling.

Preferably, a lifting lug is arranged on the rotating bracket.

The technical scheme provided by the application comprises the following beneficial effects:

the application provides a pair of mixer drive assembly, including fixed bolster, drive shaft, drive arrangement and rotation support, wherein the fixed bolster be used for with storage container fixed connection, the drive shaft runs through the fixed bolster and rotates with the fixed bolster through mechanical seal to be connected, drive arrangement then is used for ordering about the drive shaft and rotates for the fixed bolster, rotation support is used for the fixed stay drive arrangement. The rotating support is rotatably connected with the fixed support, the rotating position comprises a first position and a second position, the first position can enable the output end of the driving device to be in transmission connection with the first end of the driving shaft, the second position enables the rotating support to rotate away from the driving shaft and forms a loading and unloading space at the first end of the driving shaft, the loading and unloading space is larger than the space occupied by the mechanical seal, when the rotating support is located at the first position, the output end of the driving device is in transmission connection with the driving shaft, and the rotating support and the fixed support are detachably and fixedly connected together to ensure the stability of the stirring machine driving assembly in the normal working process; the transmission between drive arrangement's output and the drive shaft is connected for dismantling fixed connection, when needing to be changed mechanical seal, removes the fixed connection between rotation support and the fixed bolster and the fixed connection between drive arrangement's output and the drive shaft to make rotation support rotate to the second position, at this moment, the loading and unloading space allows mechanical seal to pass through, thereby can take off the mechanical seal that treats to change and install new mechanical seal on the drive shaft. So set up, when changing mechanical seal, only need to make the runing rest rotate for the fixed bolster, need not to dismantle drive arrangement completely get off, reduced operator's intensity of labour, labour saving and time saving.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic diagram of a blender drive assembly according to an embodiment of the present invention, shown with a rotational support in a first position;

FIG. 2 is a schematic diagram of a blender drive assembly according to an embodiment of the present invention, with the rotational support in a second position;

fig. 3 is a cross-sectional view of a blender drive assembly in accordance with an embodiment of the present invention.

Reference numerals:

1. fixing a bracket; 2. mechanical sealing; 3. a drive shaft; 4. rotating the bracket; 5. a first bolt assembly; 6. a second bolt assembly; 7. a first half coupling; 8. a second coupling half; 9. a third bolt assembly; 10. an end plate; 11. a screw; 12. lifting lugs; 13. a motor; 14. and a speed reducer.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

An object of this embodiment is to provide a mixer drive assembly, solve the mixer among the prior art when changing mechanical seal, need dismantle the problem that wastes time and energy that leads to with motor and reduction gear from equipment.

Hereinafter, embodiments will be described with reference to the drawings. The embodiments described below do not limit the scope of the invention described in the claims. Further, the entire contents of the configurations shown in the following embodiments are not limited to those necessary as a solution of the invention described in the claims.

Referring to FIGS. 1-3, schematic structural views of blender drive assemblies in some exemplary embodiments are shown. The mixer drive assembly that this embodiment provided includes fixed bolster 1, drive shaft 3, drive arrangement and rotation support 4, wherein fixed bolster 1 be used for with storage container fixed connection, drive shaft 3 runs through fixed bolster 1 and rotates with fixed bolster 1 through mechanical seal 2 and be connected, drive arrangement is connected with the one end transmission of drive shaft 3 for order about drive shaft 3 and rotate for fixed bolster 1, the one end of drive shaft 3 can be connected with the (mixing) shaft transmission of mixer. The rotating support 4 is used for fixedly supporting the driving device, the rotating support 4 is rotatably connected with the fixed support 1, the rotating positions comprise a first position which can enable the output end of the driving device to be in transmission connection with the first end of the driving shaft 3 and a second position which enables the rotating support 4 to rotate away from the driving shaft 3 and forms a loading and unloading space at the first end of the driving shaft 3, the loading and unloading space is larger than the space occupied by the mechanical seal 2, when the rotating support 4 is located at the first position, the output end of the driving device is in transmission connection with the driving shaft 3, and the rotating support 4 is detachably and fixedly connected with the fixed support 1 together so as to ensure the stability of the stirring machine driving assembly in the normal working process; the transmission between the output end of the driving device and the driving shaft 3 is connected in a detachable and fixed mode, when the mechanical seal 2 needs to be replaced, the fixed connection between the rotating support 4 and the fixed support 1 and the fixed connection between the output end of the driving device and the driving shaft 3 are removed, the rotating support 4 is rotated to the second position, at the moment, the mechanical seal 2 is allowed to pass through the assembling and disassembling space, and therefore the mechanical seal 2 to be replaced can be taken down and a new mechanical seal 2 is installed on the driving shaft 3. So set up, when changing mechanical seal 2, only need to make the runing rest 4 rotate for fixed bolster 1, need not to dismantle drive arrangement completely get off, reduced operator's intensity of labour, labour saving and time saving.

It should be noted that the driving device includes a motor 13 and a speed reducer 14, an input end of the speed reducer 14 is in transmission connection with an output end of the motor 13, and an output end of the speed reducer 14 is an output end of the driving device.

Above-mentioned mechanical seal 2 includes rotating ring and quiet ring, through the bolt respectively with quiet ring and fixed bolster 1 fixed connection, with rotating ring and 3 fixed connection of drive shaft, when mechanical seal 2 is changed to needs, will rotate support 4 and rotate to the second position to bolt and the rotating ring between 3 with the bolt between quiet ring and the fixed bolster 1 and the rotating ring down, can take off the mechanical seal 2 of waiting to change. The mechanical seal 2 is well known in the art, and the installation of the mechanical seal 2 can be realized by those skilled in the art according to the prior art.

In this embodiment, through holes are formed in the fixed bracket 1 and the rotating bracket 4, and the fixed bracket 1 and the rotating bracket 4 are fixed together by using bolts and nuts, that is, the fixed bracket 1 and the rotating bracket 4 are detachably connected through the first bolt assembly 5. The first bolt assemblies 5 are arranged in a plurality of numbers, and the first bolt assemblies 5 are distributed in an array.

In a preferred embodiment, four first bolt assemblies 5 are arranged in a 2 x 2 array, a distance between two first bolt assemblies 5 in each row is equal to a distance between two first bolt assemblies 5 in each column, at this time, when the fixed connection between the rotating bracket 4 and the fixed bracket 1 is released, only three first bolt assemblies 5 are required to be detached, the remaining one first bolt assembly 5 is unscrewed, the rotating bracket 4 can be rotated relative to the fixed bracket 1, and after the rotating bracket 4 is rotated by 90 degrees, the detached one first bolt assembly 5 is mounted, so that the position stability of the rotating bracket 4 in the process of replacing the mechanical seal 2 can be ensured.

When the distance between the first bolt assemblies 5 of each column is smaller than the distance between the first bolt assemblies 5 of each row, two second bolt assemblies 6 are further arranged on the rotating bracket 4 and the fixed bracket 1, the second bolt assemblies 6 are positioned between two adjacent rows of first bolt assemblies 5, the distance between the second bolt assemblies 6 and one row of first bolt assemblies 5 is equal to the distance between the two second bolt assemblies 6, as shown in figure 2, when the fixed connection between the rotating bracket 4 and the fixed bracket 1 is released, the first bolt assembly 5 and one of the second bolt assemblies 6 need to be detached, the remaining one of the second bolt assemblies 6 needs to be unscrewed, namely, the rotating bracket 4 can rotate relative to the fixed bracket 1, after the rotating bracket 4 rotates 90 degrees in the anticlockwise direction, the second bolt assembly 6 which is taken down is installed, so that the position stability of the rotating support 4 in the process of replacing the mechanical seal 2 can be ensured.

It should be noted that the first bolt assembly 5 and the second bolt assembly 6 both include a bolt and a nut, and through holes corresponding to the positions through which the bolt passes are provided on the rotating bracket 4 and the fixing bracket 1. The sizes of the through holes for mounting the first bolt assembly 5 and the second bolt assembly 6 are consistent, and accordingly, the specifications of the bolt of the first bolt assembly 5 and the bolt of the second bolt assembly 6 are consistent.

In this embodiment, the output end of the driving device is detachably connected with the driving shaft 3 through a coupling, specifically, the output end of the driving device is provided with a first half-coupling 7, the first end of the driving shaft 3 is provided with a second half-coupling 8, and the first half-coupling 7 and the second half-coupling 8 are detachably connected through a third bolt assembly 9.

In implementation, the rotating support 4 is of a disc-shaped structure, and the first half coupling 7 and the third bolt assembly 9 penetrate through the disc-shaped structure, so that the dismounting is convenient. The one end that fixed bolster 1 is close to drive arrangement is provided with the fixed plate, and the one end that first half-coupling 7 is close to drive shaft 3 is close to the one end parallel and level of drive shaft 3 with rotating support 4, and the one end that second half-coupling 8 is close to drive arrangement is parallel and level with the fixed plate, guarantees to rotate support 4 and can rotate smoothly for fixed bolster 1, prevents to produce and interferes. The third bolt assembly 9 here includes a bolt, and threaded holes matched with the bolt are provided on the first coupling half 7 and the second coupling half 8, and the structure of the fixing bracket 1 is as shown in fig. 2, and a space for an operator to enter a hand or a tool is provided on a side surface of the fixing bracket 1, and the bolt is screwed into the threaded holes on the fixing bracket 1 and the rotating bracket 4 from bottom to top and then connected. When the fixed connection between the first coupling half 7 and the second coupling half 8 is released, the bolts may be loosened from the space on the side surface of the fixing bracket 1.

In the implementation, the first end of drive shaft 3 stretches into second half-coupling 8 and with 8 key-type connections of second half-coupling, realize the circumferential location between drive shaft 3 and the second half-coupling 8. An axial positioning assembly is also provided between the drive shaft 3 and the second coupling half 8 to achieve axial positioning between the drive shaft 3 and the second coupling half 8. Above-mentioned axial positioning subassembly includes end plate 10 and screw 11, screw 11 runs through end plate 10 and 3 threaded connection of drive shaft, end plate 10 presss from both sides tightly between the nut end of screw 11 and second half-coupling 8, twist off through screwing screw 11, can take off second half-coupling 8 from drive shaft 3, and then take off mechanical seal 2, for realizing the fixed structural style between drive shaft 3 and the second half-coupling 8 through interference fit, the embodiment has convenient to detach's advantage, and the dismantlement process is less to the damage of drive shaft 3 and second half-coupling 8, be favorable to prolonging the life of this mixer drive assembly.

In implementation, the rotating bracket 4 is further provided with a lifting lug 12, and the lifting lug 12 is used as a force application point for lifting and carrying, so that the operation is convenient.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (8)

1. A mixer driving assembly is characterized by comprising a fixed bracket (1) fixedly connected with a storage container, a driving shaft (3) rotatably connected with the fixed bracket (1) through a mechanical seal (2), a driving device for driving the driving shaft (3) to rotate and a rotating bracket (4) for fixing the driving device,

the rotating bracket (4) is rotatably connected with the fixed bracket (1), the rotating positions comprise a first position which can enable the output end of the driving device to be in transmission connection with the first end of the driving shaft (3) and a second position which enables the rotating bracket (4) to rotate away from the driving shaft (3) and forms a loading and unloading space at the first end of the driving shaft (3),

when rotating support (4) and being located the first position, rotating support (4) with fixed bolster (1) can dismantle fixed connection, the transmission between drive arrangement's output and drive shaft (3) is connected for dismantling fixed connection.

2. A mixer drive assembly according to claim 1, wherein the stationary frame (1) is removably connected to the rotatable frame (4) by a plurality of first bolt assemblies (5), the plurality of first bolt assemblies (5) being arranged in an array.

3. A mixer drive assembly according to claim 2, wherein there are four first bolt assemblies (5), the distance between each row of first bolt assemblies (5) being equal to the distance between each column of first bolt assemblies (5).

4. A mixer drive assembly according to claim 2, wherein the distance between each row of said first bolt assemblies (5) is less than the distance between each row of said first bolt assemblies (5), and wherein two second bolt assemblies (6) are provided on said rotating bracket (4) and said stationary bracket (1), said second bolt assemblies (6) being located between two adjacent rows of said first bolt assemblies (5), the distance between said second bolt assemblies (6) and one of said rows of said first bolt assemblies (5) being equal to the distance between two of said second bolt assemblies (6).

5. A mixer drive assembly according to claim 1, wherein the drive means has an output provided with a first coupling half (7), the drive shaft (3) has a first end provided with a second coupling half (8), and the first coupling half (7) is detachably connected to the second coupling half (8) by means of a third screw assembly (9).

6. A mixer drive assembly according to claim 5, wherein the rotatable mount (4) is of a disc-like configuration, a stationary plate is provided at the end of the stationary mount (1) adjacent the drive means, the end of the first coupling half (7) adjacent the drive shaft (3) being flush with the end of the rotatable mount (4) adjacent the drive shaft (3), and the end of the second coupling half (8) adjacent the drive means being flush with the stationary plate.

7. A mixer drive assembly according to claim 5, wherein the first end of the drive shaft (3) extends into the second coupling half (8) and is keyed to the second coupling half (8), an axial positioning assembly being further provided between the drive shaft (3) and the second coupling half (8), the axial positioning assembly comprising an end plate (10) and a screw (11), the screw (11) extending through the end plate (10) and being in threaded connection with the drive shaft (3), the end plate (10) being clamped between the nut end of the screw (11) and the second coupling half (8).

8. A mixer drive assembly according to claim 1, wherein the rotatable bracket (4) is provided with a lifting lug (12).

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