CN220646627U

CN220646627U - Mechanism for balancing inertia of turntable

Info

Publication number: CN220646627U
Application number: CN202321129751.4U
Authority: CN
Inventors: 王国啸; 张家豪
Original assignee: Huachuang Non Standard Machinery Co In Xi'an International Port Area
Current assignee: Huachuang Non Standard Machinery Co In Xi'an International Port Area
Priority date: 2023-05-11
Filing date: 2023-05-11
Publication date: 2024-03-22
Anticipated expiration: 2033-05-11

Abstract

The utility model discloses a mechanism for balancing inertia of a turntable, and belongs to the technical field of machining. The mechanism for balancing the inertia of the turntable comprises a turntable fixedly connected with an output shaft of a power output device, and further comprises: the upper end part of the rolling shaft is rotationally connected with the lower end surface of the turntable; the force application structure comprises an elastic ring and an annular column, wherein the elastic ring is sleeved on the output shaft, the inner ring of the elastic ring is abutted against the outer ring of the roller, the outer ring of the elastic ring is clamped in an annular groove formed in the inner wall of the annular column, and the lower end part of the annular column is fixedly connected with the outer shell of the power output device. After the power of the output shaft disappears, the rotary table can be rapidly stopped and automatically positioned due to the existence of stable resistance, and the inertial mechanism of the balance rotary table has the advantages of simple structure, convenience in installation, uniform force application and no clamping problem.

Description

Mechanism for balancing inertia of turntable

Technical Field

The utility model relates to the technical field of machining, in particular to a mechanism for balancing inertia of a turntable.

Background

The turntable is one of the most commonly used components in various devices, and in practical application, the turntable is often required to rotate stably and rapidly, the load carried by the turntable is large, no impact is caused when the turntable stops, and the rotation inertia of the turntable is required to be balanced.

The existing method for balancing the rotation inertia of the turntable is characterized in that the turntable resistance is increased, the power source resistance is increased, the friction resistance is increased, the electric damping is increased by a motor, the air cylinder is buffered, and the like.

Disclosure of Invention

The utility model aims to solve the problems in the prior art, and provides a mechanism for balancing the inertia of a turntable, which is used for rapidly stopping rotation and automatically positioning the turntable due to the existence of stable resistance after the power of an output shaft disappears, and can solve the problems of complex structure, complicated control and installation, uneven force application and easy blocking in the prior art.

The utility model provides a mechanism for balancing the inertia of a turntable, which comprises the turntable fixedly connected with an output shaft of a power output device, and further comprises: the upper end part of the rolling shaft is rotationally connected with the lower end surface of the turntable; the force application structure comprises an elastic ring and an annular column, wherein the elastic ring is sleeved on the output shaft, the inner ring of the elastic ring is abutted against the outer ring of the roller, the outer ring of the elastic ring is clamped in an annular groove formed in the inner wall of the annular column, and the lower end part of the annular column is fixedly connected with the outer shell of the power output device.

Preferably, the shell of the power output device is fixedly connected with a shell, the output shaft is penetrated in the shell, and the shell is positioned below the turntable; the side wall of the output shaft is fixedly connected with the inner ring of the bearing, and the outer ring of the bearing is fixedly connected with the shell.

Preferably, the number of the rollers is multiple, the rollers are uniformly distributed around the output shaft with the same radius, and the outer rings of the rollers are abutted against the inner rings of the elastic rings.

Preferably, the end face of the annular column is uniformly provided with a plurality of limiting holes, the upper surface of the shell is provided with threaded holes corresponding to the limiting holes one by one, and the corresponding limiting holes and the threaded holes are penetrated by limiting screws at the same time.

Preferably, the elastic ring is made of rubber or silica gel.

Preferably, the number of the bearings is two, and the two bearings are respectively positioned at the upper end and the lower end of the shell.

Preferably, the power output device is a motor.

Compared with the prior art, the utility model has the beneficial effects that: this inertial mechanism of balance carousel can be at output shaft drive carousel pivoted in-process, the roller bearing extrudees with the elastic ring all the time to take place rolling friction, the elastic ring can exert stable resistance to the carousel, after the power disappearance of output shaft, owing to stable resistance's existence carousel can stall fast and automatic positioning, this inertial mechanism of balance carousel simple structure, simple to operate, the application of force is even, and does not have the dead problem of card.

Drawings

FIG. 1 is a vertical cross-sectional view of the present utility model;

FIG. 2 is a top partial cross-sectional view of the present utility model;

fig. 3 is a partial enlarged view at a in fig. 2.

Reference numerals illustrate:

1. the rotary table, the rolling shaft, the elastic ring, the annular column, the shell, the output shaft, the bearing and the limiting hole are arranged in sequence.

Detailed Description

The following detailed description of specific embodiments of the utility model is, but it should be understood that the utility model is not limited to specific embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides a mechanism for balancing the inertia of a turntable, which comprises a turntable 1 fixedly connected with an output shaft 6 of a power output device, and also comprises the following components in fig. 1-2: a roller 2 and a force application structure; the upper end of the roller 2 is rotationally connected with the lower end surface of the turntable 1; the force application structure comprises an elastic ring 3 and an annular column 4, wherein the elastic ring 3 is sleeved on an output shaft 6, the inner ring of the elastic ring 3 is abutted against the outer ring of the roller 2, the outer ring of the elastic ring 3 is clamped in an annular groove formed in the inner wall of the annular column 4, and the lower end part of the annular column 4 is fixedly connected with a shell of the power output device.

This mechanism of balance carousel inertia can drive carousel 1 pivoted in-process at output shaft 6, roller bearing 2 extrudees (like figure 3) with elastic ring 3 all the time, and elastic ring 3 envelops roller bearing 2's outer lane part circumference to take place rolling friction, elastic ring 3 can apply stable resistance to carousel 1, after output shaft 6's power disappears, owing to stable resistance's existence carousel 1 can stall fast and automatic positioning, this mechanism of balance carousel inertia simple structure, simple to operate, the application of force is even, and do not have the dead problem of card.

Preferably, as shown in fig. 1, the casing of the power output device is fixedly connected with a casing 5, the casing 5 is internally penetrated with the output shaft 6, and the casing 5 is positioned below the turntable 1; the side wall of the output shaft 6 is fixedly connected with the inner ring of the bearing 7, and the outer ring of the bearing 7 is fixedly connected with the shell 5.

The purpose is that make output shaft 6 rotate more steadily, reduce radial vibrations, carousel 1 rotates more steadily.

Preferably, as shown in fig. 1-2, the number of the rollers 2 is plural, the rollers 2 are uniformly distributed around the output shaft 6 with the same radius, and the outer rings of the rollers 2 are abutted against the inner ring of the elastic ring 3.

By installing a proper amount of rollers 2, not only the resistance can be controlled, but also the resistance is larger when the rollers 2 are more; conversely, the smaller the resistance, and the more uniform and stable the resistance applied to the turntable 1 can be made.

Preferably, as shown in fig. 2, a plurality of limiting holes 8 are uniformly formed in the end face of the annular column 4, threaded holes corresponding to the plurality of limiting holes 8 one by one are formed in the upper surface of the housing 5, and limiting screws penetrate through the corresponding limiting holes 8 and the threaded holes at the same time.

The purpose is to fix the annular post 4 to the housing 5.

Preferably, the elastic ring 3 is made of rubber or silica gel as shown in fig. 1-2.

Preferably, as shown in fig. 1, the number of the bearings 7 is two, and the two bearings 7 are respectively located at the upper and lower ends of the housing 5.

Preferably, the power take-off is an electric motor.

The working principle of the mechanism for balancing the inertia of the turntable is as follows:

through setting up the roller bearing 2 of suitable quantity, adjust the resistance that roller bearing 2 transmitted for carousel 1, the output shaft 6 of motor drives carousel 1 pivoted in-process, roller bearing 2 carries out moderate extrusion with elastic ring 3 all the time, and take place rolling friction, elastic ring 3 can exert stable resistance to carousel 1, stable resistance can balance carousel 1's rotation inertia, after output shaft 6's power disappears, owing to stable resistance's existence carousel 1 can stall fast and automatic positioning, this balance carousel inertial mechanism simple structure, simple to operate, the application of force is even, and there is not the dead problem of card.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The mechanism for balancing the inertia of the turntable comprises a turntable (1) fixedly connected with an output shaft (6) of a power output device, and is characterized by further comprising:

the upper end part of the rolling shaft (2) is rotationally connected with the lower end surface of the rotary table (1);

the force application structure comprises an elastic ring (3) and an annular column (4), wherein the elastic ring (3) is sleeved on an output shaft (6), an inner ring of the elastic ring (3) is abutted against an outer ring of a roller (2), an outer ring of the elastic ring (3) is clamped in an annular groove formed in the inner wall of the annular column (4), and the lower end part of the annular column (4) is fixedly connected with a shell of the power output device.

2. The mechanism for balancing the inertia of the turntable according to claim 1, wherein the shell of the power output device is fixedly connected with a shell (5), the output shaft (6) is penetrated in the shell (5), and the shell (5) is positioned below the turntable (1); the side wall of the output shaft (6) is fixedly connected with the inner ring of the bearing (7), and the outer ring of the bearing (7) is fixedly connected with the shell (5).

3. A mechanism for balancing the inertia of a turntable according to claim 1, wherein the number of the rollers (2) is plural, the rollers (2) are uniformly distributed around the output shaft (6) with the same radius, and outer rings of the rollers (2) are abutted against inner rings of the elastic rings (3).

4. The mechanism for balancing the inertia of the turntable according to claim 2, wherein a plurality of limiting holes (8) are uniformly formed in the end face of the annular column (4), threaded holes corresponding to the limiting holes (8) one by one are formed in the upper surface of the shell (5), and limiting screws are simultaneously arranged in the corresponding limiting holes (8) and the threaded holes in a penetrating mode.

5. A mechanism for balancing the inertia of a turntable according to claim 1, characterized in that the elastic ring (3) is made of rubber or silica gel.

6. A mechanism for balancing the inertia of a turntable as claimed in claim 2, wherein the number of bearings (7) is two, the two bearings (7) being located at the upper and lower ends of the housing (5) respectively.

7. The mechanism for balancing the inertia of a turntable of claim 1, wherein the power take off is an electric motor.