CN216830890U - Rotating platform with high space utilization rate - Google Patents

Abstract

The utility model discloses a high space utilization rate rotary platform, which comprises a shell, an upper cover, a driving motor, a planetary gear reduction box, a helical gear, a gear ring and a rotary round table, wherein the outer wall of the gear ring is rotatably arranged on the inner wall of the upper cover, and the gear ring is provided with a conical inner helical gear; the upper surface of the rotary round table is provided with a mounting hole; a motor shaft of the driving motor is connected with an input shaft of the planetary gear reduction box, an output shaft of the planetary gear reduction box is horizontally arranged, and a helical gear is mounted on the output shaft of the planetary gear reduction box and meshed with the gear ring; the driving motor and the planetary gear reduction box are both positioned in a cylindrical surface where the outer edge of the gear ring is positioned. The utility model discloses the effectual more spaces that have utilized, make the utility model discloses an overall structure is compacter, and space utilization is higher, can be used to drive the high-accuracy robot finger rotation of each trade.

Description

Rotating platform with high space utilization rate

Technical Field

The utility model belongs to the robot field, more specifically relates to a high space utilization's rotary platform.

Background

As is well known, robot equipment plays an increasingly important role in helping people to produce and live, with the development of science and technology, the utilization rate of robots in various industries is more popular, and mechanical arms and robot fingers on the robots are important components playing roles like human hands.

Mechanical arms and robot fingers are often used in industry for grabbing and carrying objects, or fixing parts are used for processing, and can replace human beings to operate under harmful environment so as to protect personal safety, but the robot fingers in the market can only meet single grabbing and carrying functions, namely grabbing and putting down objects, but cannot rotate with the objects and cannot be flexibly used.

SUMMERY OF THE UTILITY MODEL

To the above defect or the improvement demand of prior art, the utility model provides a high space utilization's rotary platform, its effectual more spaces that have utilized, make the utility model discloses an overall structure is compacter, and space utilization is higher, can realize the nimble use of robot finger.

For realizing above-mentioned purpose, according to the utility model discloses, a high space utilization's rotary platform is provided, a serial communication port, including shell, upper cover, driving motor, planetary gear reducing gear box, helical gear, ring gear and rotatory round platform, wherein:

the upper cover is fixedly arranged at the top end of the shell and is communicated up and down;

the gear ring is rotatably mounted on the housing and has tapered internal helical teeth;

the rotary circular table is positioned above the gear ring and fixedly mounted on the gear ring, and the upper surface of the rotary circular table is provided with a mounting hole for mounting fingers of a robot;

the driving motor and the planetary gear reduction gearbox are both arranged in the shell, a motor shaft of the driving motor is connected with an input shaft of the planetary gear reduction gearbox, an output shaft of the planetary gear reduction gearbox is horizontally arranged, the helical gear is arranged on the output shaft of the planetary gear reduction gearbox, and the helical gear is meshed with the inner helical gear of the gear ring;

the central line of the gear ring is vertical to the output shaft of the planetary gear reduction box;

the driving motor and the planetary gear reduction box are both positioned in a cylindrical surface where the outer edge of the gear ring is positioned.

Preferably, the outer side of the gear ring is provided with an annular boss, the shell is provided with a supporting step, and the annular boss is placed on the supporting step.

Preferably, a plurality of balls are received on the upper surface of the rotary circular table, the tops of the balls are in contact with the upper cover, and the upper cover and/or the rotary circular table are provided with limiting parts for preventing the balls from falling off.

Preferably, the limiting part is a groove for placing a ball, or is a two-ring annular flange.

Preferably, the driving motor and the planetary gear reduction box are both mounted in the shell through screws.

Preferably, an encoder is mounted on an output shaft of the driving motor.

Generally, through the utility model discloses above technical scheme who conceives compares with prior art, can gain following beneficial effect:

1) the utility model discloses a driving motor front end adds the reducing gear box, can the underspin, can increase torsion again, helical gear and ring gear intermeshing, and driving motor transversely installs in the inside of ring gear, and the effectual more spaces that have utilized makes the utility model discloses an overall structure is compacter, and space utilization is higher, can be used to the high-accuracy robot finger of each trade.

2) The utility model discloses simple structure, simple to operate has added the ball on rotatory round platform, can the friction reduction, increases the life of whole mechanism.

3) The utility model discloses the commonality is strong, can drive the gripper of different grade type, and driving motor internally mounted encoder, can remote debugging and control.

Drawings

Fig. 1 is a perspective view of the present invention;

fig. 2 is a perspective view of the utility model with the upper cover removed;

fig. 3 is a schematic diagram of the relative position arrangement of the driving motor, the planetary reduction gearbox and the gear ring in the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. Furthermore, the technical features mentioned in the embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

Referring to fig. 1 to 3, a rotary platform with high space utilization rate comprises a housing 4, an upper cover 1, a driving motor 6, a planetary gear reduction box 7, a helical gear 9, a gear ring 8 and a rotary circular table 2, wherein:

the upper cover 1 is fixedly arranged at the top end of the shell 4, and the upper cover 1 is vertically communicated.

The ring gear 8 is rotatably mounted on the housing 4, and the ring gear 8 has tapered internal helical teeth; the outer side of the gear ring 8 is provided with an annular boss, the shell 4 is provided with a supporting step, and the annular boss is placed on the supporting step, so that the shell can support the gear ring 8 and can ensure that the gear ring 8 can rotate on the shell. The bottom of upper cover 1 also can set up annular breach groove, and in annular boss stretched into the breach groove, the displacement of annular boss was restricted in the breach groove, prevented that annular boss from rocking.

The rotary circular truncated cone 2 is located above the gear ring 8 and fixedly mounted on the gear ring 8, and a mounting hole 3 for mounting a robot finger is formed in the upper surface of the rotary circular truncated cone 2.

The driving motor 6 and the planetary gear reduction gearbox 7 are preferably installed in the shell 4 through screws, a motor shaft of the driving motor 6 is connected with an input shaft of the planetary gear reduction gearbox 7, an output shaft of the planetary gear reduction gearbox 7 is horizontally arranged, the output shaft of the planetary gear reduction gearbox 7 is provided with the helical gear 9, and the helical gear 9 is meshed with the inner helical gear of the gear ring 8. The central line of the gear ring 8 is vertical to the output shaft of the planetary gear reduction box 7. The taper of the tapered internal helical teeth is relatively large to ensure that the helical gear 9 can mesh with the internal helical teeth of the ring gear 8 to drive the ring gear 8 to rotate. The helical gear 9 may be a bevel gear or a cylindrical gear.

The driving motor 6 and the planetary gear reduction box 7 are both positioned in a cylindrical surface where the outer edge of the gear ring 8 is positioned. That is, the drive motor 6 and the planetary gear reducer 7 do not go beyond the outer edge of the ring gear 8 in the direction along the radial direction of the ring gear 8.

Further, a plurality of balls 5 are received on the upper surface of the rotary circular table 2, and the balls 7 can be arranged in one circle. The top of the ball 5 contacts with the upper cover 1, and the upper cover 1 and/or the rotary circular table 2 are/is provided with a limiting part for preventing the ball 5 from falling. The limiting part can be a groove for placing the ball 5 or a two-ring annular flange. The balls 5 can reduce the friction between the rotary round table 2 and the upper cover 1, so that the rotary round table 2 can rotate more stably and smoothly, the efficiency is improved, and the service life is prolonged.

Furthermore, an encoder is installed on an output shaft of the driving motor 6, and remote debugging and control can be achieved.

The utility model discloses a planetary gear reducing gear box 7 is installed to 6 front ends of driving motor, after installing planetary gear reducing gear box 7, can reduce the rotational speed, can increase the torque again for driving motor 6 takes the bearing capacity to increase, just also makes the taking bearing capacity of rotatory round platform 2 increase. Helical gear 9 and the ring gear 8 of installing in the outside at 7 front ends of planetary gear reduction box mesh mutually, and it is rotatory to drive the helical gear 9 of planetary gear reduction box 7 by driving motor 6, and then drives the rotation of ring gear 8, and driving motor 6 transversely installs inside ring gear 8 for overall structure is compact, and space utilization is higher, and the upper end of ring gear 8 is rotatory round platform 2, therefore, the rotation of ring gear 8 drives the rotation of rotatory round platform 2. Three mounting round holes distributed at 120 degrees are formed in the rotary circular table 2 and used for mounting mechanical clamping jaws in different forms, and the rotary circular table has universality. The upper cover 1 is installed in the outside of the rotary circular table 2, the ball 5 is placed in the place where the rotary circular table 2 contacts the upper cover 1, the ball 5 can reduce friction, the rotary circular table 2 rotates more stably and smoothly, and the overall efficiency and the service life of machinery can be improved. The driving motor 6 and the reduction gearbox 7 are fixedly arranged on the shell 4 through screws, and the shell 4 and the upper cover 1 are fixedly arranged through three screws which are uniformly distributed to form a whole.

After the robot fingers are installed on the rotary platform, the working process of the rotary platform is as follows:

when the rotary platform is used in a power-on mode, the driving motor 6 is controlled through the external power supply, the driving motor 6 is forward and reverse (CW and CCW) to drive the bevel gear 9 of the output shaft of the reduction box 7 to be forward and reverse, the bevel gear 9 and the gear ring 8 are meshed with each other, the gear ring 8 and the rotary circular platform 2 are driven to rotate by the rotation of the bevel gear 9, the mechanical clamping jaw is installed on the rotary circular platform 2 through the installation hole 3, the rotary circular platform 2 rotates to drive the mechanical clamping jaw fixedly installed above the rotary circular platform to rotate, the mechanical clamping jaw clamps objects, and the clamping, carrying, installing and the like of the objects in the whole three-dimensional space can be achieved.

It will be understood by those skilled in the art that the foregoing is merely a preferred embodiment of the present invention, and is not intended to limit the invention to the particular forms disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.

Claims (6)

1. The utility model provides a high space utilization's rotary platform which characterized in that, includes shell, upper cover, driving motor, planetary gear reduction box, helical gear, ring gear and rotatory round platform, wherein:

the upper cover is fixedly arranged at the top end of the shell and is communicated up and down;

the gear ring is rotatably mounted on the housing and has tapered internal helical teeth;

the rotary circular table is positioned above the gear ring and fixedly mounted on the gear ring, and the upper surface of the rotary circular table is provided with a mounting hole for mounting fingers of a robot;

the driving motor and the planetary gear reduction gearbox are both arranged in the shell, a motor shaft of the driving motor is connected with an input shaft of the planetary gear reduction gearbox, an output shaft of the planetary gear reduction gearbox is horizontally arranged, the helical gear is arranged on the output shaft of the planetary gear reduction gearbox, and the helical gear is meshed with the inner helical gear of the gear ring;

the central line of the gear ring is vertical to the output shaft of the planetary gear reduction box;

the driving motor and the planetary gear reduction box are both positioned in a cylindrical surface where the outer edge of the gear ring is positioned.

2. A space utilization rotary platform according to claim 1, wherein an annular boss is provided on an outer side of the ring gear, and a support step is provided on the housing, and the annular boss is placed on the support step.

3. The space utilization rate-high rotating platform as claimed in claim 1, wherein a plurality of balls are received on the upper surface of the rotating circular table, the tops of the balls are in contact with the upper cover, and the upper cover and/or the rotating circular table are provided with limiting portions for preventing the balls from falling.

4. A space utilization rotary platform according to claim 3, wherein the limiting portion is a channel for receiving a ball or a two-ring annular flange.

5. A space utilization rotary platform according to claim 1, wherein the driving motor and the planetary gear reduction gearbox are both mounted in the housing by screws.

6. A space utilization rotary platform according to claim 1, wherein an encoder is mounted on an output shaft of the driving motor.

Images