CN211589237U

CN211589237U - Double-workbench rotary driving mechanism

Info

Publication number: CN211589237U
Application number: CN202020227695.8U
Authority: CN
Inventors: 蒋林; 陈志强; 刘一冉; 曾令万; 廖承渝
Original assignee: Chongqing Machine Tool Group Co Ltd
Current assignee: Chongqing Machine Tool Group Co Ltd
Priority date: 2020-02-28
Filing date: 2020-02-28
Publication date: 2020-09-29
Anticipated expiration: 2030-02-28

Abstract

The utility model belongs to the field of mechanical equipment, and relates to a double-workbench rotary driving mechanism which is arranged on a rotary table of a machine tool, and comprises a connecting seat matched with the rotary table and a supporting frame fixedly arranged with the machine tool, wherein a lower driving disc, an intermediate disc and an upper driving disc are sequentially matched and arranged on one end of the connecting seat away from the rotary table; one end of the upper driving disc, which is far away from the middle disc, is fixedly connected with a cycloidal reducer through a fastener, one end of the cycloidal reducer, which is far away from the upper driving disc, is connected with a servo motor in a matching way, a motor flange is also arranged between the cycloidal reducer and the servo motor in a matching way, and the motor flange is fixed on the support frame; the utility model discloses simple structure, the installation adjustment is convenient, and the transmission precision is high, and stability and reliability are also very good.

Description

Double-workbench rotary driving mechanism

Technical Field

The utility model belongs to the mechanical equipment field relates to a two workstation rotary drive mechanism.

Background

At present, most machine tools on the market adopt a single working table, such as common gear grinding machines, gear hobbing machines and the like. In the machining process, actions such as clamping, tool setting and the like are required before each workpiece is machined, so that the auxiliary time is long, and the high-efficiency requirement of a user on a machining machine tool cannot be completely met. The double-workbench machine tool can complete the installation and tooth alignment of the workpiece on the other station while processing on one station, and can process the next workpiece only by rotating and transposition after the previous workpiece is processed, so that the auxiliary time is greatly reduced, and the production efficiency is improved.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a two workstation rotary drive mechanism for realize two workstation lathe rotary drive when transposition, quick stability when realizing the gyration, add the key technical purpose that the precision is unanimous when processing.

In order to achieve the above purpose, the utility model provides a following technical scheme: the double-workbench rotary driving mechanism is arranged on a rotary table of a machine tool and comprises a connecting seat matched with the rotary table and a supporting frame fixedly arranged with the machine tool, and a lower driving disc, a middle disc and an upper driving disc are sequentially matched and arranged at one end of the connecting seat far away from the rotary table;

one end of the upper driving disc, which is far away from the middle disc, is fixedly connected with a cycloidal reducer through a fastener, one end of the cycloidal reducer, which is far away from the upper driving disc, is in matching connection with a servo motor, a motor flange is further arranged between the cycloidal reducer and the servo motor in a matching manner, and the motor flange is fixed on the support frame.

Optionally, the upper driving disk and the lower driving disk are respectively provided with a plurality of claw teeth, and the middle disk is provided with a cross groove matched with the claw teeth.

Optionally, the claw teeth of the upper driving disk and the claw teeth of the lower driving disk are arranged in a staggered mode, the size of each claw tooth is matched with the corresponding cross groove, and the claw teeth are inserted into the corresponding cross grooves.

Optionally, the upper driving disk and the lower driving disk are respectively provided with staggered limiting bosses on opposite end faces, so that the claw teeth are prevented from being clamped with the cross groove and from being separated from the cross groove.

Optionally, the position of the support frame close to the lower driving disc is also provided with a plurality of bolt-type eccentric rollers in a matching manner, and the bolt-type eccentric rollers are fixed by thin nuts.

Optionally, the eccentric rollers are uniformly distributed on the outer circumference of the lower driving disk in a matching manner and are in contact with the outer circumferential surface of the lower driving disk.

Optionally, the servo motor is mounted on the motor flange, a key is further arranged at one end of the servo motor close to the cycloidal speed reducer, and the servo motor is connected with the end of the cycloidal speed reducer through the key.

Optionally, two ends of the support frame are fixedly connected with the machine tool through a plurality of screws, and a gasket and a threaded sleeve are further installed at each connection part in a matched mode and used for adjusting the level of the support frame.

The beneficial effects of the utility model reside in that:

the utility model discloses two workstation rotary driving mechanism relies on upper and lower driving-discs and intermediate connection dish transmission moment of torsion, and upper and lower driving-discs pass through the cross recess cooperation of claw tooth and intermediate connection dish, even if the motor shaft is not concentric with the revolving stage below, also can satisfy the assembly and use; in addition, the level and the verticality of the rotary table during floating can be adjusted through the threaded sleeve and the bolt type roller which are arranged on the support frame, and the flexibility and the stability of the rotary table during lifting and rotating are guaranteed.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and/or combinations particularly pointed out in the appended claims.

Drawings

For the purposes of promoting a better understanding of the objects, features and advantages of the invention, reference will now be made to the following detailed description taken in conjunction with the accompanying drawings in which:

fig. 1 is an overall front view of the double-table rotary driving mechanism of the present invention;

fig. 2 is an enlarged view of B in fig. 1 of the dual table swing drive mechanism of the present invention;

FIG. 3 is a view of the supporting frame A-A in FIG. 1 of the dual table swing drive mechanism of the present invention;

fig. 4 is an axonometric view of the double-table rotary driving mechanism of the present invention;

fig. 5 is a schematic view of a partial structure of the dual-workbench rotary driving mechanism of the present invention.

Reference numerals: the device comprises a servo motor 1, a motor connecting disc 2, a cycloidal reducer 3, a support frame 4, an upper driving disc 5, an intermediate disc 6, a lower driving disc 7, a connecting seat 8, a screw 9, a gasket 10, a threaded sleeve 11, a bolt type eccentric roller 12, a thin nut 13, a rotary table 14, claw teeth 15, a cross groove 16 and a limiting boss 17.

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention, and the features in the following embodiments and examples may be combined with each other without conflict.

Wherein the showings are for the purpose of illustrating the invention only and not for the purpose of limiting the same, and in which there is shown by way of illustration only and not in any way limiting the scope of the invention; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "left", "right", "front", "back", etc., indicating directions or positional relationships based on the directions or positional relationships shown in the drawings, it is only for convenience of description and simplification of description, but it is not intended to indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore, the terms describing the positional relationships in the drawings are only used for illustrative purposes and are not to be construed as limiting the present invention, and those skilled in the art can understand the specific meanings of the terms according to specific situations.

Referring to fig. 1 to 4, the dual-workbench rotary driving mechanism is arranged on a rotary table 14 of a machine tool, and includes a connecting seat 8 mounted in a matching manner with the rotary table 14 and a supporting frame 4 fixedly mounted with the machine tool, wherein a lower driving disc 7, an intermediate disc 6 and an upper driving disc 5 are sequentially and cooperatively arranged on one end of the connecting seat 8 far away from the rotary table 14; the end, far away from the middle disc 6, of the upper driving disc 5 is fixedly connected with a cycloid speed reducer 3 through a fastener, the end, far away from the upper driving disc 5, of the cycloid speed reducer 3 is connected with a servo motor 1 in a matching mode, a motor flange 2 is further arranged between the cycloid speed reducer 3 and the servo motor 1 in a matching mode, the motor flange 2 is fixed on the support frame 4, the servo motor 1 is installed on the motor flange 2, a key is further arranged at one end, close to the cycloid speed reducer 3, of the servo motor 1, and the servo motor 1 is connected with the end portion of the cycloid speed.

In this embodiment, the upper driving disk 5 and the lower driving disk 7 are respectively provided with a plurality of claw teeth 15, the middle disk 6 is provided with a cross slot 16 matched with the claw teeth 15, the claw teeth 15 of the upper driving disk 5 and the claw teeth 15 of the lower driving disk 7 are arranged in a relatively staggered manner and are all inserted into the cross slot 16, the claw teeth 15 of the upper driving disk and the cross slot of the middle disk 6 are designed through reasonable clearance fit, the lifting movement of the turntable can be adapted, the design of the cross slot 16 can adapt to the problem of non-concentricity of the upper axis and the lower axis, and the installation is convenient.

In the embodiment, the upper and lower driving disks are provided with the limiting bosses 17, which can ensure that the claw teeth 15 can not be locked with the cross slot 16 and can not be separated from the cross slot 16; after the whole driving mechanism is assembled and adjusted, the intermediate disc 6 is ensured to be flexible up and down, so that no lateral force is generated when the rotary table 14 rotates, and the reliability and the stability are ensured.

In this embodiment, the position of the supporting frame 4 near the lower driving disk 7 is further provided with 4 bolt-type eccentric rollers 12 in a matching manner, the bolt-type eccentric rollers 12 are fixed by thin nuts 13, the 4 eccentric rollers are uniformly distributed on the outer circumference of the lower driving disk 7, the eccentric rollers can be conveniently adjusted and are in contact with the outer circumferential surface of the lower driving disk 7, the radial positioning effect is achieved, the rotation and lifting movement of the turntable cannot be influenced, and the turntable 14 is stable in rotation and cannot deflect.

In the embodiment, two ends of the support frame 4 are fixedly connected with a machine tool through a plurality of screws 9, and a gasket 10 and a threaded sleeve 11 are further arranged at each connection part in a matching manner and used for adjusting the level of the support frame 4.

The utility model discloses when needing to shift, the whole revolving stage 14 of floating location structure lift of 14 bottoms of revolving stage makes upper and lower end fluted disc throw off, and rotary drive mechanism's servo motor 1 then makes 14 gyrations of revolving stage through the transmission, and two workstations on the revolving stage 14 accomplish the transposition, then the floating location structure resets, and the transposition is accomplished.

The utility model discloses rotary driving structure mainly relies on upper and lower driving-discs and intermediate connection pad transmission moment of torsion, and upper and lower driving-discs pass through claw tooth 15 and the cross recess 16 cooperation of intermediate disc 6, even if the motor shaft is not concentric with lower revolving stage 14, also can satisfy the assembly and use; meanwhile, the level and the verticality of the rotary table 14 during floating are adjusted through the threaded sleeve 11 and the bolt type roller which are arranged on the support frame 4, so that the flexibility and the stability of the rotary table 14 during lifting and rotating are ensured; the utility model discloses simple structure, the installation adjustment is convenient, and the transmission precision is high, and stability and reliability are also very good.

Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the scope of the claims of the present invention.

Claims

1. Two workstation rotary driving mechanism sets up on the revolving stage of lathe, its characterized in that: the device comprises a connecting seat matched with the rotary table and a supporting frame fixedly arranged with the machine tool, wherein a lower driving disc, an intermediate disc and an upper driving disc are sequentially matched and arranged at one end of the connecting seat far away from the rotary table;

one end of the upper driving disc, which is far away from the middle disc, is fixedly connected with a cycloidal reducer through a fastener, one end of the cycloidal reducer, which is far away from the upper driving disc, is connected with a servo motor in a matching manner, a motor flange is further arranged between the cycloidal reducer and the servo motor in a matching manner, and the motor flange is fixed on the support frame.

2. The dual stage rotary drive mechanism of claim 1, wherein: the upper driving disc and the lower driving disc are respectively provided with a plurality of claw teeth, and the middle disc is provided with a cross groove matched with the claw teeth.

3. The dual stage rotary drive mechanism of claim 2, wherein: the claw teeth of the upper driving disk and the claw teeth of the lower driving disk are arranged in a staggered mode relatively, the size of each claw tooth is matched with the corresponding cross groove, and the claw teeth are inserted into the corresponding cross grooves.

4. The dual stage rotary drive mechanism of claim 2, wherein: the upper driving disk and the lower driving disk are respectively provided with staggered limiting bosses on opposite end faces, so that the claw teeth are prevented from being clamped with the cross grooves and being separated from the cross grooves.

5. The dual stage rotary drive mechanism of claim 1, wherein: and a plurality of bolt type eccentric rollers are also arranged on the support frame at the position close to the lower driving disc in a matching manner and are fixed by adopting thin nuts.

6. The dual stage rotary drive mechanism of claim 5, wherein: the eccentric rollers are uniformly distributed on the outer circumference of the lower driving disk in a matching manner and are in contact with the outer circular surface of the lower driving disk.

7. The dual stage rotary drive mechanism of claim 1, wherein: the servo motor is installed on the motor flange, a key is further arranged at one end, close to the cycloid speed reducer, of the servo motor, and the servo motor is connected with the end portion of the cycloid speed reducer through the key.

8. The dual stage rotary drive mechanism of claim 1, wherein: the two ends of the support frame are fixedly connected with a machine tool through a plurality of screws, and a gasket and a threaded sleeve are arranged at each joint in a matched mode and used for adjusting the level of the support frame.