CN216555162U

CN216555162U - Worm gear and worm rotating mechanism with bearing structure

Info

Publication number: CN216555162U
Application number: CN202121765333.5U
Authority: CN
Inventors: 虞儒杨
Original assignee: Shenzhen City Partner Pneumatic Pml Precision Mechanism Ltd
Current assignee: Shenzhen City Partner Pneumatic Pml Precision Mechanism Ltd
Priority date: 2021-07-30
Filing date: 2021-07-30
Publication date: 2022-05-17
Anticipated expiration: 2031-07-30

Abstract

The utility model discloses a worm gear and worm rotating mechanism with a bearing structure, which is used for carrying out angle rotation of an assembling instrument in industrial processing; comprises a bearing working part, a base part, a transmission part and a driving part; the bearing working part comprises a worm wheel part and a rotating disk part, the rotating disk part comprises a gland, a gasket, a rotating disk, a bearing sleeve and a rotating disk part which are connected from top to bottom, and the rotating disk part is positioned at the upper end of the worm wheel part; the worm gear part comprises a worm gear bearing, and the upper end of the worm gear bearing comprises a fixing hole connected with the rotating part; the base part is provided with a cavity which is a connecting point and is respectively connected with the transmission part and the rotating shaft working part. The transmission part is provided with a worm structure, the worm structure is meshed with a worm gear bearing wrapped in the cavity, and one end of the transmission part, which is far away from the base part, is connected with the driving part. The driving part rotates through the motor, and power is transmitted to the bearing working part through the worm gear, so that the gland rotates.

Description

Worm gear and worm rotating mechanism with bearing structure

Technical Field

The utility model belongs to worm gear bearing field especially relates to worm gear rotating platform.

Background

In industrial production, aiming at different production environments and space structures, the common electric rotating platform solves the flexible combination of instrument elements and the object transfer.

In the prior art, an electric rotating platform is connected with a rotating shaft, and the rotating shaft is driven by a transmission mechanism of a worm gear and a worm, so that the rotating platform rotates; the more severe weight constraints on the instrument elements and transport objects placed in the rotating platform have limited upgrades for later process improvements. Therefore, in industrial production, an electric rotating platform which is simple and convenient to disassemble, wide in rotating angle of the rotating platform, accurate in rotating and parking angle, capable of being matched with multifunctional components more widely and further wide in applicability is needed.

SUMMERY OF THE UTILITY MODEL

In view of the problems in the prior art, the inventor of the present application has devised a worm and gear rotating mechanism with simple structure, wide rotating angle and strong element matching capability.

The worm and gear rotating mechanism with the bearing structure comprises a base part, a transmission part, a driving part and a bearing working part; the bearing working part comprises a worm wheel part and a rotating disk part and is connected with the base part in an embedded manner through a longitudinal opening; the transmission part comprises a worm, the worm is connected with a worm wheel part, one end of the transmission part, far away from the base part, is connected with the driving part, the rotating disc part is detachably connected with the worm wheel part, the worm wheel part is positioned at the lower end of the rotating disc part, the worm wheel part comprises a worm wheel bearing, and a bearing sleeve is sleeved on the worm wheel bearing.

Preferably, the rotating disc part comprises a rotating disc and a gland, the rotating disc is detachably connected with the bearing sleeve, and the rotating disc is located at the upper end of the bearing sleeve.

Preferably, the gland is detachably connected with the rotating disc.

Preferably, a washer for buffering rotational friction is provided between the rotating plate and the gland, and the washer is in contact with the rotating plate and the gland.

Preferably, the gland includes a plurality of mounting holes for mounting additional components.

Preferably, the worm gear bearing is fixedly connected with the bearing sleeve.

Preferably, the driving part is one of a stepping motor, a servo motor, a synchronous motor and an asynchronous motor.

The gain effect of the utility model is that: the cover plate provided with the assembling holes is matched and connected with the bearing sleeve, so that stable installation of a plurality of elements in industrial production is realized, when the cover plate provided with the elements is disassembled, the disassembling of the rotating disc and the rotating gland can be realized only by loosening or tightening bolts on the cover plate, and the operations of maintaining the rotating platform and replacing additional elements with different functions are conveniently and simply realized; the bearing sleeve is connected with the worm gear bearing in a matched mode through the bolts, so that the area of the rotary table top is increased while simple disassembly is realized, and more elements can be flexibly configured; during operation, carry out power transmission to drive division motor, drive division rotates and drives the rotation of drive division worm, and drive division worm drives worm gear bearing and bearing housing, drives rotary disk and selects the carousel gland, and the gland is equipped with the pilot hole, and then realizes installing additional rotatable at the component of real platform.

Description of the drawings:

FIG. 1 is a perspective front view of the present invention;

FIG. 2 is a partial exploded view of the present invention;

fig. 3 is an exploded view of the working portion of the bearing of the present invention.

The main unit symbols are as follows:

1. a base part; 2. a transmission section; 3. a drive section; 4. a bearing working part;

5. cylindrical bolts type 1; 6. cylindrical bolts 2 type; 7. spare bolt holes;

11. a base body; 12. a base side plate; 21. a drive worm;

31. a drive motor support; 41. rotating the disc gland; 42, a washer;

43. rotating the disc; 44. a bearing housing; 45. a worm gear bearing; 51. punching for the first time;

52. a first fixing hole; 61. a second perforation; 62. and a second fixing hole.

Detailed description of the preferred embodiments

The present invention will be described in further detail with reference to the accompanying drawings.

The existing worm and gear rotating platform structure comprises a base, wherein a worm gear box is arranged on the base, a worm shaft extending along the transverse direction is arranged in the worm gear box, and the worm shaft is mounted by bearing blocks arranged on two sides of the worm gear box in the transverse direction in a bearing manner; one transverse end of the worm shaft is connected with a driving device arranged on the transverse side of the base through a transmission assembly, and the driving device can drive the worm shaft to rotate relative to the two bearing seats; the worm shaft is also sleeved with a coaxial worm, the worm is meshed with the worm wheel, the axis of the worm wheel is provided with a vertically arranged rotating shaft, and the rotating shaft is connected with a rotating table arranged on the upper end surface of the worm gear box; when the rotary table works, the driving device drives the worm shaft to drive the worm to rotate, and the worm shaft and the rotating shaft are matched to rotate to drive the rotary table to rotate. In the prior art, the working surface area of the configuration element of the rotary platform is small, the assembly is single, and the disassembly is complicated, so that in industrial production, the electric rotary platform has the advantages of simple and convenient disassembly, wide rotary angle of the rotary platform, accurate rotary parking angle, wider matched multifunctional parts and wider applicability.

Specifically, referring to fig. 1 to 3, the worm and gear rotating mechanism with a bearing structure includes a base portion 1, a transmission portion 2, a driving portion 3, and a bearing working portion 4; the bearing working part 4 is divided into a worm gear part and a rotating disc part, and the rotating disc part comprises a gland bush 41, a gasket 42 and a rotating disc 43; the gland is provided with a first through hole 51, and the bearing sleeve 44 is provided with a first fixing hole 61, a second through hole 52 and a spare screw hole 7; the cylindrical bolt 5 penetrates through the gland 41, the gland washer 42, the rotating disc 43 and the bearing sleeve 44, so that the penetrating components are compactly connected into a whole, and the rotating center does not deviate; the cylindrical bolt 5 is adopted to match the first through hole 51 and the second fixing hole 52, so that the gland 41 is fixedly connected with the bearing sleeve 44, the gland 41 and the bearing sleeve 44 can be ensured to belong to the same rotation center during rotation, and the condition of rotation center deviation can not occur; the worm wheel part is positioned at the lower end of the rotating disc part, the worm wheel part comprises a worm wheel bearing 45, the upper end surface of the worm wheel bearing 45 is provided with a second fixing hole 62, a cylindrical bolt 6 is adopted to match with the second through hole 61 and the second fixing hole 62, so that the bearing sleeve 44 is matched and connected with the worm wheel bearing 45, the bearing sleeve 44 is used as a core bearing part and is matched and connected with the gland 41, the characteristic of light and convenient disassembly of the product is realized, the bearing sleeve 45 is matched and connected, the rotation of a platform of the product is realized, and the application occasion is wider; the base part comprises a base side plate 11 and a base main body 12, the base side plate 11 and the base main body 12 are provided with cavities wrapping worm and gear structures, the cavities are provided with longitudinal openings and transverse openings, the bearing rotating part 4 is connected with the base part 1 in an embedded mode through the longitudinal openings, the transmission part 2 is connected with the base part 2 in an embedded mode through the transverse openings, one end, far away from the base part 1, of the transmission part 2 is connected with the driving part 3, the compact power source transmission design enables the rotating platform to be small and exquisite, and the rotating platform can be applied to more occasions, such as adjustment of joint actions when being added to a robot mechanical arm, electric rotation of a photographic support and the like; the driving part 3 is subjected to power transmission, the driving part 3 rotates to drive the transmission part 2, the worm 21 with the transmission part drives the worm gear bearing 45 to rotate, the worm gear bearing 45 is fixedly connected with the bearing sleeve 44 to drive the bearing sleeve 44, and the bearing sleeve 44 drives the rotating disk gland 41, so that the purpose of rotating element instruments assembled on the gland 41 is achieved; the cover plate provided with the assembling holes is matched and connected with the bearing sleeve, so that stable installation of a plurality of elements in industrial production is realized, when the cover plate provided with the elements is disassembled, the disassembling of the rotating disc and the rotating gland can be realized only by loosening bolts corresponding to connecting parts, and the operations of maintaining the rotating platform and replacing additional elements with different functions are conveniently and simply realized; the bearing sleeve is connected with the worm gear bearing in a matched mode through the bolt, so that the area of the rotary table top is increased while the simple disassembly is realized; carry out power transmission through the drive division, worm gear bearing adopts the meshing to be connected with the worm, through selecting for use different drive ratios, has realized the control to the rotation state and the position of rotation work portion.

In this embodiment, 5 round holes are arranged in the gland as assembly holes for installing the expansion element, and in the 5 round holes, a certain round hole is used as a center, and the other 4 round holes are equidistantly distributed on a cross line at the center of the round hole.

In this embodiment, the washer 42 is a wave washer, and is attached between the cover plate and the rotating disk, and the washer is light in material and low in cost, and can be attached to the rotating cover plate equipped with heavy elements, so that the rotating cover plate has a rotating buffering effect.

In this embodiment, the driving motor is a servo motor, so as to convert the voltage signal into a torque and a rotation speed to drive the control object, thereby realizing the adjustment of the rotation speed of the rotation platform by frequency conversion.

In the embodiment, the transmission ratio of the worm gear and the worm is 1:60-90, 360 degrees in a real plane can be divided into areas, each area is 60-90 degrees, and accurate parking can be realized by matching with variable frequency motors such as servo motors.

In this embodiment, add on the carousel edge and add the scale, be convenient for operating personnel fixes a position or adjusts angle position.

The utility model has the advantages that:

the bearing working part gland is provided with a mounting hole, so that simple and convenient element addition, disassembly and replacement can be realized; the bearing sleeve is connected with the worm gear bearing, so that the rotating center is not easy to deviate, and the assembly and disassembly are simple and convenient; the meshing connection and the adaptive transmission ratio in the worm gear bearing worm structure are matched with a variable frequency motor, so that the accurate parking at any angle of 360 degrees in the horizontal plane is achieved.

The above disclosure is only for a few specific embodiments of the present invention, but the present invention is not limited thereto, and any variations that can be made by those skilled in the art are intended to fall within the scope of the present invention.

Claims

1. A worm gear rotation mechanism with a bearing structure comprises a base part, a transmission part, a driving part and a bearing working part; the bearing working part comprises a turbine part and a rotating disk part, and is connected with the base part in an embedded manner through a longitudinal opening; the transmission part comprises a worm, the worm is connected with the turbine part, one end of the transmission part, which is far away from the base part, is connected with the driving part, the transmission part is characterized in that the rotating disc part is detachably connected with the turbine part, the turbine part is positioned at the lower end of the rotating disc part, the turbine part comprises a turbine bearing, and a bearing sleeve is sleeved on the upper end of the turbine bearing.

2. The worm and gear wheel rotation mechanism with bearing structure as claimed in claim 1, wherein the rotation disk portion comprises a rotation disk and a gland, the rotation disk is detachably connected with the bearing housing, and the rotation disk is located at the upper end of the bearing housing.

3. The worm and gear rotating mechanism with bearing structure as claimed in claim 2, wherein the gland is detachably connected with the rotating disk.

4. The worm and gear rotating mechanism with a bearing structure as claimed in claim 3, wherein a washer for buffering the rotating friction force is arranged between the rotating disc and the gland, and the washer is in fit connection with the rotating disc and the gland.

5. The worm and gear rotating mechanism with bearing structure as claimed in claim 2, wherein the gland has a plurality of fitting holes for fitting additional members.

6. The worm and gear rotating mechanism with a bearing structure as claimed in claim 1, wherein the turbine bearing is fixedly connected with the bearing sleeve.

7. The worm-and-gear rotating mechanism with a bearing structure as claimed in claim 1, wherein the driving part is one of a stepping motor, a servo motor, a synchronous motor and an asynchronous motor.