CN222316512U - A belt synchronous rotation mechanism - Google Patents

Abstract

The utility model provides a belt synchronous rotation mechanism, which is mainly used to improve the synchronization accuracy of the transmission system in mechanical equipment. It solves the sliding problem in traditional belt transmission and improves the transmission efficiency. The mechanism rotates the servo motor and the reducer to optimize power transmission. It also includes multiple product fixtures and transmission mechanisms to ensure transmission accuracy and low failure rate. In addition, the mechanism is designed with a main tensioning wheel and a secondary tensioning wheel to reduce the friction between the belt and the pulley and improve the meshing efficiency. The product fixture is installed on the rotating plate through a bearing for easy installation and disassembly. At the same time, a motor protection cover is also provided on the rotating plate to protect the servo motor and reduce noise.

Description

Synchronous rotating mechanism for belt

Technical Field

The utility model relates to the technical field of mechanical equipment, in particular to a synchronous belt rotating mechanism.

Background

Belt synchronous rotating mechanisms are used primarily in a variety of mechanical devices to ensure accurate synchronization of components within a drive train.

Conventional belt drives may slip during the drive due to friction drive principles, which results in reduced drive efficiency, the belt may stretch after prolonged use, affecting drive accuracy, and require periodic inspection and replacement to prevent wear-induced failure, which increases maintenance costs and downtime, conventional belt drives are very sensitive to alignment of the axle and tension of the belt, improper alignment or tensioning may result in premature wear and reduced efficiency.

In the prior art, stable, accurate and efficient transmission of a plurality of stations is realized through a synchronous belt mechanism, for example, the patent name of the synchronous belt rotating mechanism for visual detection is CN219408231U, and an utility model patent of the synchronous belt rotating mechanism for visual detection is provided, which can realize synchronous rotation of a plurality of stations and has higher transmission efficiency, however, the whole structure is still not compact, and the arrangement space of workpiece jigs is still to be further optimized.

Disclosure of utility model

Aiming at the defects in the prior art, the utility model provides the synchronous belt rotating mechanism with accurate transmission and low failure rate.

In order to solve the technical problems, the utility model is solved by the following technical scheme:

The belt transmission rotating mechanism comprises a rotary driving mechanism, a transmission mechanism, a rotating plate and a plurality of product jigs arranged on the rotating plate, wherein the rotary driving mechanism comprises a rotary servo motor, the transmission mechanism comprises a driving belt wheel connected to an output shaft of the rotary servo motor and a plurality of driven belt wheels connected with the driving belt wheel in one-to-one correspondence, the driven belt wheels are connected with the product jigs through synchronous belts, the rotating axes of the driven belt wheels are arranged on a first plane, the first plane is perpendicular to the width direction and the length direction of the rotating plate, the rotating axis of the driving belt wheel is arranged on a second plane, and the second plane is parallel to the first plane.

By the utility model, accurate synchronous control and efficient power transmission can be realized.

Preferably, the rotating plate is provided with a claiming wheel, the driving belt wheel and the claiming wheel are respectively positioned at two ends of the length direction of the rotating plate, and the part of the synchronous belt positioned between the driving belt wheel and the claiming wheel is parallel to the first plane.

According to the utility model, the maintaining tightening wheel is arranged to increase the allowance of the synchronous belt, so that excessive friction between the belt and the belt wheel can be reduced, abrasion is reduced, good engagement between the belt and the belt wheel is ensured, sliding is avoided, and the transmission efficiency is improved. Preferably, the auxiliary tensioning wheels are connected between adjacent driven pulleys on the rotating plate and between the driving pulley and the driven pulleys through synchronous belts.

In the present utility model, maintaining proper tension in the drive belt helps to reduce or prevent slippage of the belt on the pulley, thereby improving drive efficiency and reducing wear.

Preferably, the synchronous belt is in meshed transmission with the driving belt pulley, the claiming belt and the driven belt pulley.

In the present utility model, efficient power transmission is provided, allowing precise synchronous control.

Preferably, the product jig is arranged on the rotating plate through a bearing, the product jig comprises a bearing cover cylinder fixed on the rotating plate, a rotating connecting piece is arranged on the bearing cover cylinder, a fastening bolt with the axial direction perpendicular to the axial direction of the rotating connecting piece is arranged on the opening side of the rotating connecting piece, a rotating seat connected through the bolt is arranged on the rotating connecting piece, and the product mounting plate is placed on the rotating seat.

In the utility model, the whole product jig is convenient to mount or dismount on the rotating plate.

Preferably, the rotary plate is provided with a motor protection cover arranged outside the rotary servo motor, the rotary driving mechanism and the product jig are positioned on one side of the rotary plate, and the transmission mechanism is positioned on the other side of the rotary plate.

According to the utility model, a physical barrier is provided for the servo motor, the motor is protected from direct impact and mechanical damage of external objects, noise generated when the motor operates is reduced, and a more comfortable noise level is provided for the surrounding environment.

Drawings

Fig. 1 is a schematic view of a multi-station timing belt rotating mechanism in embodiment 1;

Fig. 2 is a schematic view of the tilting mechanism in embodiment 1;

fig. 3 is a schematic view of a belt synchronous rotation mechanism in embodiment 1;

fig. 4 is a schematic view of a rotary drive mechanism in embodiment 1;

FIG. 5 is a schematic view of a position sensor in embodiment 1;

FIG. 6 is a schematic view of the positioner of example 1;

FIG. 7 is a schematic diagram of a photosensor in embodiment 1;

The names of the parts indicated by the numerical references in the drawings are as follows:

241. The belt synchronous rotating device comprises a rotating servo motor, 242, a driving belt wheel, 243, a driven belt wheel, 244, a synchronous belt, 245, a secondary tension wheel, 246, a rotating plate, 247, a product jig, 248, a reinforcing plate, 249, a claiming wheel, 301, a roll-over stand, 302, a supporting frame, 303, a driving shaft mounting plate, 304 a driven shaft mounting plate, 305, a vertical plate, 306, a speed reducer, 307, a roll-over servo motor, 308, a swing arm mounting plate, 309, a supporting plate, 311 position sensors, 312, a positioner, 313, a photoelectric sensor, 314, a speed reducer protecting cover, 316, a first bearing, 321, a 322, a roll-over driving mechanism, 331, a rotating servo motor protecting cover, 341, a roll-over mechanism, 342 and a belt synchronous rotating mechanism.

Detailed Description

For a further understanding of the present utility model, the present utility model will be described in detail with reference to the drawings and examples. It is to be understood that the examples are illustrative of the present utility model and are not intended to be limiting.

Example 1

As shown in fig. 1-6, the present embodiment provides a multi-station synchronous belt rotating mechanism, which comprises a turnover mechanism 341 and a belt synchronous rotating mechanism 342, wherein the turnover mechanism 341 comprises a turnover frame 301 and a support frame 302, the turnover frame 301 comprises a driving shaft mounting plate 303 and a driven shaft mounting plate 304, the belt synchronous rotating mechanism comprises a rotating plate 246 with two ends respectively connected to the driving shaft mounting plate 303 and the driven shaft mounting plate 304, a rotary driving mechanism, a plurality of product jigs 247 and a transmission mechanism for driving the product jigs 247 are arranged on the rotating plate 246, the rotary driving mechanism comprises a rotary servo motor 241, the transmission mechanism comprises a driving belt 242 and a plurality of driven belt pulleys 243 connected with the driving belt 242 in a one-to-one correspondence manner, the rotation axes of the plurality of driven belt pulleys 243 are all located on a first plane, the first plane is perpendicular to the width direction and the length direction of the rotating plate 246, and the rotation axis of the driving belt pulley 242 is located on a second plane, and the second plane is parallel to the first plane.

Through this embodiment, combine tilting mechanism 341 and belt synchronous rotary mechanism 342 for can operate simultaneously on a plurality of work stations, improve the continuity of production efficiency and workflow greatly, rotatory servo motor 241 provides accurate control and synchronization, ensure that a plurality of product jigs 247 can keep synchronous at rotatory in-process, be applicable to the occasion that needs accurate location and processing, can hold more stations under the equal length and have bigger advantage when detecting the work piece of small-size, the axis of a plurality of driven pulleys 243 all is located first plane, and the axis of driving pulley 242 is located the second plane, this kind of parallel overall arrangement helps evenly distributed load and reduces mechanical stress, improve overall structure's stability.

Referring to fig. 1-6, in this embodiment, the support frame 302 includes a support plate 309, and a swing arm mounting plate (308) and a vertical plate 305 mounted at two ends of the support plate 309 and perpendicular to the support plate 309, a bearing hole for mounting the driven shaft mounting plate 304 is formed in the swing arm mounting plate (308), the driven shaft mounting plate 304 and the swing arm mounting plate (308) are connected through a first bearing 316 disposed in the bearing hole, an arc-shaped groove 321 is formed in the swing arm mounting plate 308 around the upper portion of the bearing hole, a position sensor 311 is disposed at two ends and in the middle of the arc-shaped groove 321, and a locator 312 matched with the position sensor 311 is disposed at the outer side of the driven shaft mounting plate 304.

The support frame 302 in this embodiment includes a support plate 309, and a swing arm mounting plate 308 and a vertical plate 305 mounted at both ends of the support plate and perpendicular to the support plate. The structural design provides a firm supporting foundation, ensures the stability and reliability of the whole mechanism, ensures that the locator 312 on the outer side of the driven shaft mounting plate is matched with the position sensor 311 for use, provides a high-precision positioning system, is favorable for precisely controlling and adjusting the position of the driven shaft, enables the product jig to swing between-90 degrees and 0 degrees and +90 degrees through the connection of a speed reducer by a servo motor, and when the turnover mechanism swings to 0 degrees, the locator is matched with the locator in the middle part, and the swing amplitude reaches +/-90 degrees and is matched with the locator at the 2 ends for transmitting signals.

In this embodiment, the multi-station synchronous belt rotating mechanism is characterized by comprising a turnover driving mechanism 322, the turnover driving mechanism 322 comprises a turnover servo motor 307, an output shaft of the turnover servo motor 307 is connected with a speed reducer 306, an output shaft of the speed reducer 306 is connected with a driving shaft mounting plate 303 through a second bearing 317, a photoelectric sensor 313 is arranged between the driving shaft mounting plate 303 and the speed reducer 306, the photoelectric sensor 313 comprises a photoelectric door fixed below the second bearing and a light shielding plate arranged on the side surface of the second bearing 317, and the light shielding plate can pass through the photoelectric door under the rotation action of the second bearing.

The use of a servo motor in this embodiment allows precise control of the speed and angle of the turning action, well suited for applications requiring high precision control, the output shaft of the turning servo motor 307 being connected to a decelerator. The speed reducer reduces the output speed of the motor, increases the output torque, enables the overturning action to be more stable and powerful, and the combination of the light shielding plate and the photoelectric door is used for monitoring and confirming the rotation position and state of the driving shaft mounting plate. When the shutter plate passes through the photogate, it interrupts or alters the light passing through the photogate, thereby providing accurate feedback regarding the rotational position.

In this embodiment, the rotating mechanism 301 is provided with four reinforcing plates 248 perpendicular to the mounting plate 303 and the rotating plate 246, the tilting driving mechanism 322 is provided with a decelerator protecting cover 314, the rotating driving mechanism is provided with a rotating servo motor 241 protecting cover 331, and the rotating servo motor 241 protecting cover 331 is fixed to the driving shaft mounting plate 303 and the rotating plate 246, respectively.

With this embodiment, the decelerator protecting cover 314 is provided to protect the decelerator from external damage, extend its service life, and provide safety protection, rotate a part of the driving mechanism, provide necessary rotational power, and the rotary servo motor 241 protecting cover 331 is fixed to the driving shaft mounting plate 303 and the rotating plate 246, protect the motor from physical damage and external environmental factors, while reducing noise and providing a safety barrier.

In summary, the foregoing description is only of the preferred embodiments of the present utility model, and all equivalent changes and modifications made in accordance with the claims should be construed to fall within the scope of the utility model.

Claims (5)

1. A belt synchronous rotating mechanism is characterized by comprising a rotating driving mechanism, a transmission mechanism, a rotating plate (246) and a plurality of product jigs (247) arranged on the rotating plate (246), wherein the rotating driving mechanism comprises a rotating servo motor (241), the transmission mechanism comprises a driving belt wheel (242) connected to an output shaft of the rotating servo motor (241) and a plurality of driven belt wheels (243) connected with the driving belt wheel (242) in a one-to-one correspondence mode through a synchronous belt (244), the rotating axes of the driven belt wheels (243) are all arranged on a first plane, the first plane is perpendicular to the width direction and the length direction of the rotating plate (246), the rotating axis of the driving belt wheel (242) is arranged on a second plane, the second plane is parallel to the first plane, a claiming tight pulley (249) is arranged on the rotating plate (246), the driving belt wheel (242) and the claiming tight pulley (249) are respectively arranged at two ends of the rotating plate (246) in the length direction, and the part of the synchronous belt (244) between the driving belt (242) and the claiming tight pulley (249) is parallel to the first plane.

2. The synchronous belt rotating mechanism according to claim 1, wherein the auxiliary tensioning wheel (245) is connected between adjacent driven pulleys (243) on the rotating plate (246) and between the driving pulley (242) and the driven pulleys (243) through the synchronous belt (244).

3. The belt synchronous rotating mechanism according to claim 1, wherein the synchronous belt (244) is in meshed transmission with the driving pulley (242), the claiming pulley (249) and the driven pulley (243).

4. The synchronous belt rotating mechanism according to claim 1, wherein the product jig (247) is mounted on the rotating plate (246) through a bearing, the product jig (247) comprises a bearing cover cylinder (255) fixed on the rotating plate (246), a rotating connecting piece (252) is arranged on the bearing cover cylinder (255), a fastening bolt axially perpendicular to the rotating connecting piece (252) is arranged on the opening side of the rotating connecting piece (252), a rotating seat (251) connected through a bolt is arranged on the rotating connecting piece (252), and the product mounting plate is placed on the rotating seat.

5. The belt synchronous rotating mechanism according to claim 1, wherein the rotating plate (246) is provided with a motor protection cover (331) arranged outside the rotary servo motor (241), the rotary driving mechanism and the product jig (247) are positioned on one side of the rotating plate (246), and the transmission mechanism is positioned on the other side of the rotating plate (246).