CN212768441U - Worm-gear type rotating platform - Google Patents

Abstract

The utility model discloses a worm and gear formula revolving stage, including the supporting baseplate, still include, set up in the last rotary mechanism who just is used for realizing rotatory process of supporting baseplate, with rotary mechanism is connected and is used for carrying the conveying mechanism of product. The utility model has the advantages that the stepping motor is adopted as a power source, the stepping motor drives the worm to rotate through the synchronous wheel and the synchronous belt, the worm wheel can rotate due to the meshing between the worm and the worm wheel, the kinetic energy impact on the rotary table is reduced, the shaking of the table is reduced, the stability of the table is increased, the positioning precision is increased, and the self-locking function is realized; this revolving stage not only can realize the function that the product was carried, also links up between roller conveyer and the butt joint conveyer outside through the rotation, and the practicality is strong, simple structure, convenient operation.

Description

Worm-gear type rotating platform

Technical Field

The utility model relates to a revolving stage technical field, especially a worm gear formula revolving stage.

Background

When carrying material business turn over commodity circulation letter sorting line, carry the material and can carry through rotatory 90 orientations, following is present common rotary mechanism:

1. the pneumatic rotating platform generally adopts a rotating cylinder to rotate, the positioning precision is not high, the starting and stopping shake is large, the product can shake when starting or stopping on the rotating platform, and the generated shake also influences the service life of the rotating cylinder;

2. all the other types of electric rotating tables drive the slewing bearing of the conveying table to rotate by frequent start and stop of the three-phase motor, but have great influence on the service life of the motor, are difficult to meet the requirements on electric appliance control when the speed is too high, and have higher cost.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem, a worm and gear type rotating platform is designed.

The technical proposal of the utility model is that the worm and gear type rotating platform comprises a supporting bottom plate and a worm and gear type rotating plate,

the rotating mechanism is arranged on the supporting bottom plate and used for realizing a rotating process;

and the conveying mechanism is connected with the rotating mechanism and is used for conveying products.

The rotating mechanism comprises a fixed support connected with the conveying mechanism, a synchronous plate fixedly connected with the fixed support, a worm wheel connected with the synchronous plate, a worm meshed with the worm wheel, a stepping motor arranged on one side of the worm wheel, a sleeve arranged on the rotating shaft of the stepping motor, synchronous wheels arranged on a worm bearing and a sleeve arranged on the worm bearing, and synchronous belts arranged on the synchronous wheels, wherein the synchronous wheels are connected through the synchronous belts.

The rotating mechanism further comprises a bearing seat and a standard support, the bearing seat and the standard support are arranged on the supporting bottom plate, the worm is sleeved in the bearing seat, and the stepping motor is fixedly connected with the standard support.

The conveying mechanism comprises two support frames connected with the rotating mechanism and a plurality of rollers arranged between the two support frames, wherein the rollers are connected with the support frames, and the rollers are symmetrically arranged by taking a central shaft parallel to the rollers as an axis.

A plurality of the roller with the support frame constitutes the isosceles trapezoid at rectangle and its both ends, wherein the rectangle part the roller length equals and the distance equals between in proper order, the isosceles trapezoid part the roller and the rectangle part both ends the roller all seted up O type groove on the surface.

At least one of the rollers of the rectangular part is an electric roller.

Wedge belts are arranged between one end of the roller and the support frame in the rectangular part and connected through belts sleeved on the wedge belts.

The beneficial effects are that, the utility model adopts the step motor as the power source, the step motor drives the worm to rotate through the synchronous wheel and the synchronous belt, the worm wheel can rotate due to the meshing between the worm and the worm wheel, the kinetic energy impact on the rotating platform is reduced, the shaking of the machine table is reduced, the stability of the machine table is increased, the positioning precision is increased, and the self-locking function is included; this revolving stage not only can realize the function that the product was carried, also links up between roller conveyer and the butt joint conveyer outside through the rotation, and the practicality is strong, simple structure, convenient operation.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a right side view of the present invention;

fig. 3 is a left side view of the rotating mechanism of the present invention;

fig. 4 is a top view of the conveying mechanism of the present invention;

FIG. 5 is a schematic view of the working principle of the present invention;

in the figure, 1, an outer roller conveyor; 2. a butt-joint conveyor; 3. a conveying mechanism; 301. a support frame; 302. a roller; 303. an O-shaped groove; 304. a wedge band; 4. a rotation mechanism; 401. a worm gear; 402. a synchronization board; 403. fixing a bracket; 404. a worm; 405. a stepping motor; 406. A synchronizing wheel; 407. a standard bracket; 408. a bearing seat; 5. supporting the bottom plate.

Detailed Description

The utility model discloses it is right to combine the figure below to describe specifically the utility model discloses a first explain earlier the utility model discloses a design original intention, we can see in figure 5 that the contained angle between outside roller conveyor 1 and the butt joint conveyer 2 is 90 degrees, when the product needs from outside roller conveyor 1 conveying butt joint conveyer 2, the product just needs the conversion direction of transfer, consequently the utility model discloses a revolving stage is located outside roller conveyor 1 and the place that butt joint conveyer 2 crossed, forms "7" style of calligraphy with two conveyers, and when the product from outside roller conveyor 1 last transmission revolving stage, the revolving stage can rotate and dock with butt joint conveyer 2, then the product just can convey on butt joint conveyer 2.

The structure and the working principle of the rotary table are described below, as shown in fig. 1 and 2, firstly, the conveying mechanism 3 of the rotary table of the worm wheel 401 and worm 404 type is described, as shown in fig. 4, the conveying mechanism 3 is shaped like an isosceles trapezoid with two rectangular ends connected, the shape is formed by two supporting frames 301 and a plurality of rollers 302 between the two supporting frames, the plurality of rollers 302 have three lengths, and the rollers 302 are arranged in axial symmetry by taking a central shaft in parallel relation with the rollers as an axis; firstly, two rollers 302 forming a trapezoid part at the lower part are trapezoidal, so the lengths of the two rollers are different, the roller 302 forming the shortest upper bottom of the trapezoid is provided with two O-shaped grooves 303 close to the two ends respectively, the roller 302 forming the lower bottom of the trapezoid is longer and the surface of the roller is provided with four O-shaped grooves 303, two of the four O-shaped grooves 303 are close to the two ends of the roller 302, the two O-shaped grooves are positioned between the two O-shaped grooves and correspond to the two O-shaped grooves 303 arranged on the short roller 302, and the corresponding O-shaped grooves 303 are positioned on a straight line; the six longest rollers 302 of the rectangular part are formed in the following manner, the distances between the six rollers 302 are equal, the lengths of the six rollers are also equal, meanwhile, in order to enable the rollers 302 to rotate, wedge-shaped belts 304 are arranged between the same ends of the six rollers 302 and a support frame 301, the wedge-shaped belts 304 are connected through belts for transmission, a transmission power source is needed for transmission, wherein the power source adopts one of the rollers 302 which is electrically driven, so that the electrically driven rollers 302 are started, other rollers 302 can be driven to rotate through the transmission of the wedge-shaped belts 304 and the belts, meanwhile, the rollers 302 of the trapezoidal part are connected, two O-shaped grooves 303 close to the two ends are formed in the two rollers 302 at the two ends of the six rollers 302, the positions of the two O-shaped grooves 303 correspond to the positions of the two O-shaped grooves 303, close to the two ends, on the longer roller 302 in the trapezoidal part, the corresponding O-grooves 303 are located on a straight line.

The roller 302 mentioned above is mainly used for conveying products, and the rotating mechanism 4 below the aforementioned rectangular portion composed of six rollers 302 is described below, as shown in fig. 3, the rotating mechanism 4 is connected with the conveying mechanism 3 by fixedly connecting the fixed bracket 403 with the supporting bracket 301, the main content of the rotating mechanism 4 is between the fixed bracket 403 and the supporting base plate 5, the rotating mechanism 4 is used for connecting the conveying mechanism 3 to the butt-joint conveying line by rotating 90 degrees, in the utility model, the rotating mechanism 4 is used for realizing the rotation of the conveying mechanism 3 by installing the synchronous plate 402 at the upper end of the worm wheel 401 and fixedly connecting the synchronous plate 402 with the fixed bracket 403, the worm wheel 401 is driven by the worm 404 engaged with the worm wheel to rotate, and then the movement of the worm 404 needs a corresponding power source, which is a stepping motor 405 on one side of the worm wheel 401, the rotation process is controlled by a driver in the stepping motor 405, synchronizing wheels 406 are respectively sleeved on a rotating shaft of the stepping motor 405 and a bearing of the worm wheel 401, the two synchronizing wheels 406 are connected through a closed-loop synchronous belt, thus, when the rotating table is firstly connected with the outer roller conveyor 1, after the product is transmitted to the conveying mechanism 3, after the system gives a signal, the driver controls the stepping motor 405 to start, the stepping motor 405 drives the worm 404 to rotate through the synchronous wheel 406 and the synchronous belt, finally, the worm 404 drives the worm wheel 401 to rotate, so that the conveying mechanism 3 integrally rotates by 90 degrees, the rotation of 90 degrees is not limited to 90 degrees, but may be performed at other angles, which is the working principle of the rotating mechanism 4, meanwhile, the stepping motor 405 is fixed on the support base plate 5 through a standard bracket 407, and the worm 404 is fixed on the support base plate 5 through a bearing seat 408.

Above-mentioned technical scheme has only embodied the utility model discloses technical scheme's preferred technical scheme, some changes that this technical field's technical personnel probably made to some parts wherein have all embodied the utility model discloses a principle belongs to within the protection scope of the utility model.

Claims (7)

1. The worm-gear type rotating platform comprises a supporting bottom plate (5) and is characterized by also comprising a worm gear and worm gear type rotating platform,

the rotating mechanism (4) is arranged on the supporting bottom plate (5) and is used for realizing a rotating process;

and the conveying mechanism (3) is connected with the rotating mechanism (4) and is used for conveying products.

2. The worm-and-gear type rotary table according to claim 1, wherein the rotating mechanism (4) comprises a fixing bracket (403) connected to the conveying mechanism (3), a synchronizing plate (402) fixedly connected to the fixing bracket (403), a worm wheel (401) connected to the synchronizing plate (402), a worm engaged with the worm wheel, a stepping motor (405) disposed on one side of the worm wheel (401), a synchronizing wheel (406) sleeved on a rotating shaft of the stepping motor (405) and a bearing of the worm (404), and a synchronous belt sleeved on two synchronizing wheels (406), wherein the two synchronizing wheels (406) are connected through the synchronous belt.

3. The worm-gear rotary table according to claim 2, wherein the rotating mechanism (4) further comprises a bearing seat (408) and a standard bracket (407) disposed on the supporting base plate (5), wherein the worm (404) is sleeved in the bearing seat (408), and the stepping motor (405) is fixedly connected to the standard bracket (407).

4. A worm-and-gear rotary table according to claim 1, wherein the conveying mechanism (3) comprises two support frames (301) connected to the rotating mechanism (4), and a plurality of rollers (302) disposed between the two support frames (301), wherein the plurality of rollers (302) are connected to the support frames (301), and the plurality of rollers (302) are disposed axially symmetrically with respect to a central axis parallel thereto.

5. A worm-and-gear rotary table according to claim 4, wherein the plurality of rollers (302) and the supporting frame (301) are formed as an isosceles trapezoid with a rectangle and two ends, wherein the rollers (302) of the rectangle are equal in length and are sequentially equal in distance, and O-shaped grooves (303) are formed on the surfaces of the rollers (302) of the isosceles trapezoid and the rollers (302) at the two ends of the rectangle.

6. A worm-and-gear rotary table according to claim 5, wherein at least one of the rollers (302) of the rectangular section is an electrically powered roller (302).

7. The worm-and-gear rotary table as claimed in claim 5, wherein a wedge belt (304) is disposed between one end of the roller (302) and the support frame (301) in the rectangular portion, and the wedge belt (304) is connected with a belt sleeved thereon.

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