CN211162888U

CN211162888U - Numerical control turntable

Info

Publication number: CN211162888U
Application number: CN201921828536.7U
Authority: CN
Inventors: 李明利
Original assignee: Jining Technician College
Current assignee: Jining Technician College
Priority date: 2019-10-29
Filing date: 2019-10-29
Publication date: 2020-08-04
Anticipated expiration: 2029-10-29

Abstract

The utility model discloses a numerical control revolving stage, including servo motor, revolving stage and magnetic sensor, the last connection of servo motor is provided with the revolving stage body, revolving stage body upper end is provided with revolving stage and magnetic sensor, the revolving stage side is provided with the magnetic sheet, revolving stage lower extreme side is provided with the revolving stage bearing, the terminal both sides of revolving stage are provided with first worm gear and second worm gear, first worm gear one end is provided with servo motor through the coupling joint, the fixed first axle bed that is provided with of the first worm gear other end, second worm gear both ends are all fixed and are provided with the second axle bed, first worm gear and second worm gear upper end all overlap there is axle sleeve branch, the utility model discloses utilize worm gear to drive the accurate rotation of revolving stage, positioning accuracy is high, easy operation, and adaptability is wide.

Description

Numerical control turntable

Technical Field

The utility model relates to the technical field of machinery, specifically a numerical control revolving stage.

Background

The initial development mode of numerical control machine tool functional parts in China is developed in parallel by two ways. The method is characterized in that a professional accessory manufacturer such as a numerical control turntable, a power chuck and a ball screw develops a numerical control accessory product; secondly, host manufacturers self-research and develop matched functional components, such as a numerical control tool rest, a main shaft and the like, along with the development of the society, the numerical control rotary table forms a social matching system, which is a necessary result of the economic development of the market, and the professional production and social cooperation are the direction of the development of numerical control accessories in China. And current numerical control revolving stage still has positioning accuracy poor, and the not high condition of rotation precision has hindered the development of production, in order to solve above-mentioned problem that exists, the utility model discloses a numerical control revolving stage.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the aforesaid provided, and provide a numerical control revolving stage.

In order to achieve the above object, the utility model provides a following technical scheme: including servo motor, revolving stage and magnetic sensor, the last connection of servo motor is provided with the revolving stage body, revolving stage body upper end is provided with revolving stage and magnetic sensor, the revolving stage side is provided with the magnetic sheet, revolving stage lower extreme side is provided with the revolving stage bearing, the terminal both sides of revolving stage are provided with first worm gear and second worm gear, first worm gear one end is provided with servo motor through the coupling joint, the fixed first axle bed that is provided with of first worm gear other end, second worm gear both ends are all fixed and are provided with the second axle bed, first worm gear and second worm gear upper end all overlap there is axle sleeve branch.

Preferably, the servo motor and the magnetic sensor are both electrically connected to an external control terminal.

Preferably, the magnetic sheet is fixed on the side face of the rotary table in an embedded mode, the magnetic sensor is used for monitoring the position change of the magnetic sheet, the magnetic sensor and the magnetic sheet are consistent in change due to the fixed rotating speed, and the working stability and precision are improved.

Preferably, the tail end of the rotary table is in a gear type, and the first worm gear and the second worm gear are in threaded fit with two sides of the rotary table gear.

Preferably, the shaft sleeve supporting rod is fixed on the bottom surface of the rotary table body through a bolt, the shaft sleeve supporting rod is used for improving the stability of the worm gear, and the shaft sleeve supporting rod can be detached.

Preferably, the number of the shaft sleeve supporting rods is four, and the shaft sleeve supporting rods are all sleeved at two ends of the first worm gear and the second worm gear.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses utilize the worm gear to drive the accurate rotation of revolving stage, positioning accuracy is high, easy operation, and adaptability is wide.

Drawings

Fig. 1 is the overall structure schematic diagram of the numerical control rotary table of the utility model.

Fig. 2 is a front view of the internal structure of the numerical control turntable of the utility model.

Fig. 3 is a back view of the internal structure of the numerical control turntable of the present invention.

In the figure: the device comprises a servo motor 1, a turntable 2, a turntable 3, a magnetic sheet 4, a magnetic sensor 5, a turntable bearing 6, a coupler 7, a first worm gear 8, a first shaft seat 9, a shaft sleeve support rod 10, a second worm gear 11 and a second shaft seat 12.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the rotary table comprises a servo motor 1, a rotary table 3 and a magnetic sensor 5, wherein a rotary table body 2 is connected and arranged on the servo motor 1, the rotary table body 2 is provided with the rotary table 3 and the magnetic sensor 5 at the upper end, a magnetic sheet 4 is arranged on the side surface of the rotary table 3, a rotary table bearing 6 is arranged on the side surface of the lower end of the rotary table 3, a first worm gear 8 and a second worm gear 11 are arranged on two sides of the tail end of the rotary table 3, one end of the first worm gear 8 is connected and arranged with the servo motor 1 through a coupler 7, the other end of the first worm gear 8 is fixedly provided with a first shaft base 9, two ends of the second worm gear 11 are both fixedly provided with second shaft bases 12, shaft sleeve supporting rods 10 are sleeved at the upper ends of the first worm gear 8 and the second worm gear 11, the servo motor 1 and the magnetic sensor 5 are both electrically connected with an external, magnetic sheet 4 is fixed in 3 sides of revolving stage through the mode of inlaying, magnetic sensor 5 is used for monitoring the change of 4 positions of magnetic sheet, and fixed rotational speed makes magnetic sensor 5 unanimous with the change of magnetic sheet 4, improves the stability and the precision of work, 3 end of revolving stage are the gear type, first worm wheel and

worm

8 and 11 screw threads of second worm wheel and worm agree with in 3 gear both sides of revolving stage, axle sleeve branch 10 passes through the bolt fastening on 2 bottom surfaces of the revolving stage body, axle sleeve branch 10 is used for improving worm wheel and worm's stability, axle sleeve branch 10 can be dismantled, axle sleeve branch 10 is equipped with four, all overlaps at first worm wheel and

worm

8 and 11 both ends of second worm wheel and worm.

The utility model discloses a theory of operation does: in specific work, servo motor 1 is controlled by the external control end, when servo motor 1 rotates, because first worm gear 8 passes through shaft coupling 7 and connects servo motor 1, and first worm gear 8 agrees with 3 terminal gears of revolving stage again, consequently, servo motor 1 can drive the rotation of revolving stage 3 when rotating, and the second worm gear 11 of the 3 other ends of revolving stage is unpowered, revolving stage 3's rotation makes second worm gear 11 driven, when revolving stage 3 stops, second worm gear 11 loses the power supply, can cooperate first worm gear 8 to stably brake revolving stage 3, improve its precision, improve work efficiency.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a numerical control revolving stage, includes servo motor (1), revolving stage (3) and magnetic sensor (5), its characterized in that: the servo motor is characterized in that a turntable body (2) is connected and arranged on the servo motor (1), a turntable (3) and a magnetic sensor (5) are arranged on the upper end of the turntable body (2), magnetic sheets (4) are arranged on the side face of the turntable (3), a turntable bearing (6) is arranged on the side face of the lower end of the turntable (3), first worm gears (8) and second worm gears (11) are arranged on two sides of the tail end of the turntable (3), one ends of the first worm gears (8) are connected and arranged with the servo motor (1) through a coupler (7), first shaft seats (9) are fixedly arranged on the other ends of the first worm gears (8), second shaft seats (12) are fixedly arranged on two ends of the second worm gears (11), and shaft sleeve supporting rods (10) are sleeved on the upper ends of the first worm gears (8) and the second worm gears.

2. A numerically controlled turntable according to claim 1, wherein: the servo motor (1) and the magnetic sensor (5) are both electrically connected with an external control end.

3. A numerically controlled turntable according to claim 1, wherein: the magnetic sheets (4) are fixed on the side surface of the rotary table (3) in an embedding mode.

4. A numerically controlled turntable according to claim 1, wherein: the tail end of the rotary table (3) is in a gear type, and the first worm gear (8) and the second worm gear (11) are in threaded fit with the two sides of the gear of the rotary table (3).

5. A numerically controlled turntable according to claim 1, wherein: the shaft sleeve supporting rod (10) is fixed on the bottom surface of the rotary table body (2) through a bolt.

6. A numerically controlled turntable according to claim 1, wherein: the number of the shaft sleeve supporting rods (10) is four, and the shaft sleeve supporting rods are all sleeved at two ends of the first worm gear (8) and the second worm gear (11).