Double-sliding-block movement rotating mechanism and conveying device

Abstract

The utility model discloses a double-sliding-block movement rotating mechanism and a conveying device. The double-sliding-block movement rotating mechanism comprises a bottom plate and a plurality of universal sliding blocks. A rotating bearing is arranged between the bottom plate and the universal sliding block; a stress structure is arranged between the bottom plate and the rotating bearing; each universal sliding block is provided with a universal structure; positioning grooves are formed in the two side faces of the universal sliding block, and positioning blocks and connecting blocks are arranged in the positioning grooves respectively. The utility model further discloses a transportation device. The universal structure is arranged so that the double-sliding-block movement rotating mechanism can achieve universal rotation, the double-sliding-block movement rotating mechanism can be used for moving on guide rails of annular structures with different radiuses, applicability is improved, and therefore the application range of the conveying device is widened; by arranging the stress structure, the stress of the rotating bearing is uniform, and the stability and the service life of the conveying device are guaranteed; and the positioning grooves are used for quickly positioning and mounting the positioning blocks and the connecting blocks.

Description

Technical Field

[0001] The utility model relates to the technical field of automatic guide rail equipment, and particularly relates to a double-slider motion rotation mechanism and a transportation device. Background Art

[0002] In an automatic production workshop, a guide rail transmission mechanism is usually required for material transmission. The guide rail transmission mechanism mainly consists of components such as a transmission belt, a driving source, an annular guide rail, and guide rail sliders, and has characteristics such as high linear speed and high precision. However, the existing guide rail transmission mechanism usually has a single-slider structure. When encountering products with large jigs, it is prone to shaking left and right and up and down, and the slider will not get stuck during the turning process, resulting in a high defective rate of the assembled products. In response to the above problems, Chinese Patent Application No.: CN202321138349.2 discloses a double-slider motion rotation mechanism, including a bottom plate, a guide rail is installed on the bottom plate, several sliders are arranged on the guide rail, several rollers are installed at the bottom of the slider, the rollers are arranged on both the left and right sides of the guide rail, the sliders are connected by a fixing plate, a rotary bearing is arranged at the center of the slider, and a shaft core is arranged on the rotary bearing. The utility model adopts a horizontal double-slider structure. By arranging several sliders on the guide rail, the operation is more stable, it can avoid the situation that the slider gets stuck during the turning process, is not easy to shake during operation, has higher precision, and thus effectively reduces the defective rate of products.

[0003] However, this mechanism still has the following problems: 1. The connection between its slider and roller is a positioning connection and cannot rotate, making the double-slider motion rotation mechanism only applicable to straight guide rails or turning on guide rails with a specified range of radii, and cannot be used in S-shaped guide rails or annular guide rails with different bending paths, and cannot be adjusted according to the path of the guide rail, so its application has certain limitations and poor applicability; the rotary bearing between the bottom plate and the slider of the existing mechanism is fixed by a single bolt, and this method has uneven stress, and horizontal offset may occur between the bottom plate and the rotary bearing after long-term use, affecting subsequent working stability and service life. Summary of the Utility Model

[0004] The present utility model aims at the deficiencies of the current technology and provides a double-slider motion rotation mechanism and a transportation device, aiming to solve the technical problems of poor applicability, poor use stability and short service life of the rotation mechanism in the existing technology.

[0005] The technical solution adopted by the utility model to achieve the above purpose is as follows:

[0006] A double-slider motion rotation mechanism includes a bottom plate and multiple universal sliders, and the universal sliders are arranged at the bottom of the bottom plate in an array; a rotary bearing is provided between the bottom plate and the universal sliders; a force-bearing structure is provided between the bottom plate and the rotary bearing; each universal slider is provided with a universal structure; positioning grooves are further provided on both side surfaces of the universal slider, and a positioning block and a connecting block are respectively provided in the positioning grooves.

[0007] For further improvement, the universal structure includes two mirror-image universal components arranged opposite to each other. Each universal component includes a bearing and a rotating seat. The bearing is arranged in the universal slider, the bearing is provided with a rotating shaft, and the rotating seat is arranged on the rotating shaft; two rollers are provided on each rotating seat.

[0008] For further improvement, the connection between the positioning block and the universal slider and the connection between the connecting block and the universal slider are both detachable connections; the positioning block is provided with a first positioning groove; the connecting block is provided with a placement groove, and multiple straight groove countersunk holes are provided in the placement groove.

[0009] For further improvement, a first groove is provided on the surface of the universal slider; the rotary bearing is arranged in the first groove; the rotary bearing is provided with a rotary platform, and the rotary platform is connected to the bottom of the bottom plate.

[0010] For further improvement, the force-bearing structure includes multiple countersunk holes arranged in a circular array and multiple threaded holes arranged in a circular array; the threaded holes are arranged on the rotary platform, the countersunk holes are arranged on the bottom plate, screws are provided in the countersunk holes, and the screws are locked and connected to the threaded holes.

[0011] A transportation device includes one or more of the above-mentioned double-slider motion rotation mechanisms.

[0012] For further improvement, the transportation device further includes a platform, guide rails, a driving mechanism, a linkage mechanism, a positioning component and a stable bearing component; the guide rails are arranged on the platform, sliding grooves are provided on both sides of the guide rails, the double-slider motion rotation mechanism is arranged on the guide rails, and the side surface of the roller is in contact with the sliding groove; the driving mechanism is arranged beside the guide rails; through holes are provided on the platform, and the positioning component is arranged in the through holes; the linkage mechanism is arranged on the inner side plate of the guide rails, and the linkage mechanism is connected to the double-slider motion rotation mechanism and the driving mechanism.

[0013] For further improvement, the linkage mechanism includes a plurality of gear assemblies and a chain. Each gear assembly includes a gear and a first bearing. The gear is arranged on the first bearing, and the first bearing is arranged inside the guide rail. The chain is sleeved outside a plurality of the gears to form a linkage connection. The connecting blocks are respectively fixedly connected to the chain. The driving mechanism includes a driving motor, and the driving end of the driving motor is connected to one of the first bearings. The stable bearing assembly includes one set or more of bearing groups, and the bearing groups are arranged between the chain and the guide rail.

[0014] For further improvement, the positioning assembly includes a cylinder and a positioning top block. The cylinder is arranged at the bottom of the platform, and a lever assembly is arranged between the cylinder and the positioning top block. The positioning top block passes through a through hole.

[0015] For further improvement, the guide rail is one of an annular guide rail or a special-shaped guide rail composed of a straight line and an arc guide rail.

[0016] Compared with the prior art, at least one of the above one or more technical solutions in the double-slider motion rotation mechanism and the transportation device provided by the embodiments of the present invention has the following technical effects:

[0017] 1. By setting the universal structure in the present invention, the double-slider motion rotation mechanism can achieve universal rotation, so that the double-slider motion rotation mechanism can be used to move on guide rails with different radii of annular structures, improving applicability and thus expanding the application range of the transportation device. By setting the rotating bearing and the rotating platform, the running stability of the double-slider motion rotation mechanism is increased, the operation is more stable, and it can be avoided that the double-slider motion rotation mechanism gets stuck during turning. When encountering products with large fixtures, it is not easy to shake left and right or up and down, and the accuracy is higher, thus effectively reducing the defective rate of products, and the defective rate of products is lower.

[0018] 2. By setting the force-bearing structure, the force on the rotating bearing is made uniform, thereby ensuring the force stability and uniformity between the bottom plate and the rotating platform, preventing deviation during long-term use, and ensuring the working stability and service life of the transportation device. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following will briefly introduce the drawings required for use in the embodiments or the description of the prior art. Obviously, the following drawings are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0020] Figure 1 It is a schematic diagram of the overall structure of the double-slider motion rotation mechanism of this embodiment;

[0021] Figure 2 Schematic exploded view of the double-slider motion rotation mechanism of this embodiment;

[0022] Figure 3 Schematic overall structure diagram of the transport device of this embodiment;

[0023] Figure 4 Bottom view schematic diagram of this embodiment and the transport device. Detailed implementation manner

[0024] The following is only a preferred embodiment of the present utility model, and does not limit the protection scope of the present invention accordingly.

[0025] Embodiment, see the appendix Figures 1 to 2 An embodiment, a double-slider motion rotation mechanism 1 includes a bottom plate 2 and a plurality of universal sliders 3, and the universal sliders 3 are arranged at the bottom of the bottom plate 2 in an array manner; a rotating bearing 4 is provided between the bottom plate 2 and the universal sliders 3; a force-bearing structure 5 is provided between the bottom plate 2 and the rotating bearing 4; each universal slider 3 is provided with a universal structure 6; positioning grooves 30 are further provided on both side surfaces of the universal slider 3, and a positioning block 31 and a connecting block 32 are respectively provided in the positioning grooves 30.

[0026] The universal structure 6 includes two mirror-image opposite universal components 60, and each universal component 60 includes a bearing 600 and a rotating seat 601. The bearing 600 is arranged in the universal slider 3, and the bearing 600 is provided with a rotating shaft 602, and the rotating seat 601 is arranged on the rotating shaft 602; two rollers 603 are provided on each rotating seat 601. The universal structure 6 is used to enable the double-slider motion rotation mechanism 1 to move on guide rails of annular structures with different radii, improving applicability and application range.

[0027] The connection between the positioning block 31 and the universal slider 3 and the connection between the connecting block 32 and the universal slider 3 are both detachable connections; the detachable connection is a threaded connection structure; the positioning block 31 is provided with a first positioning groove 310; the connecting block 32 is provided with a placement groove 320, and a plurality of straight groove countersunk holes 321 are provided in the placement groove 320, and the straight groove countersunk holes 321 are convenient for installation and adjustment.

[0028] The surface of the universal slider 3 is provided with a first groove; the rotary bearing 4 is arranged in the first groove; the rotary bearing 4 is provided with a rotary platform 40, and the rotary platform 604 is connected to the bottom of the bottom plate 2; the rotary bearing 4 and the rotary platform 40 are used to increase the running stability of the double-slider motion rotation mechanism 1, making the operation smoother, and can prevent the double-slider motion rotation mechanism 1 from getting stuck during turning. When encountering products of large jigs, it is not easy to shake left and right or up and down, with higher precision, thereby effectively reducing the product defect rate, and the product defect rate is relatively low.

[0029] The force-bearing structure 5 includes a plurality of countersunk holes arranged in a circular array and a plurality of threaded holes arranged in a circular array; the threaded holes are arranged on the rotary platform 604, the countersunk holes are arranged on the bottom plate 2, screws are arranged in the countersunk holes, and the screws are fixedly connected to the threaded holes; the force-bearing structure 5 is used to ensure the force stability and uniformity between the bottom plate 2 and the rotary platform 604.

[0030] See attachment Figures 3 to 4 , a transport device 7 includes one or more of the double-slider motion rotation mechanisms 1 as described above.

[0031] The transport device 7 further includes a platform 70, a guide rail 71, a drive mechanism 72, a linkage mechanism 73, a positioning component 74, and a stable bearing component 75; the guide rail 71 is arranged on the platform 70, both sides of the guide rail 71 are provided with chutes, the double-slider motion rotation mechanism 1 is arranged on the guide rail 71, and the side surface of the roller 603 is in contact with the chute; the drive mechanism 72 is arranged beside the guide rail 71; the platform 70 is provided with a through hole, and the positioning component 74 is arranged in the through hole; the linkage mechanism 73 is arranged on the inner side disc of the guide rail 71, and the linkage mechanism 73 is connected to the double-slider motion rotation mechanism 1 and the drive mechanism 72.

[0032] The linkage mechanism 73 includes a plurality of gear components and a chain. Each gear component includes a gear and a first bearing. The gear is arranged on the first bearing, the first bearing is arranged on the inner side of the guide rail 71, and the chain is sleeved outside a plurality of the gears to form a linkage connection; the connecting block 32 is fixedly connected to the chain respectively; the drive mechanism 72 includes a drive motor, and the drive end of the drive motor is connected to one of the first bearings; the stable bearing component 75 includes one set or more of bearing groups. The bearing groups are arranged between the chain and the guide rail. Each bearing group is composed of a plurality of linearly arranged second bearings. Each second bearing is provided with a second guide wheel, and the second guide wheel is in contact with the side wall of the chain. The stable bearing component 75 is used to play a role in tightening and stabilizing the chain.

[0033] The positioning component 74 includes a cylinder and a positioning top block. The cylinder is arranged at the bottom of the platform 70. A lever assembly is provided between the cylinder and the positioning top block. The positioning top block passes through a through hole.

[0034] The guide rail 71 is one of an annular guide rail 71 or a special-shaped guide rail 71 composed of a straight and an arc guide rail 71.

[0035] The utility model is provided with a universal structure to enable the double-slider motion rotation mechanism to achieve universal rotation, so that the double-slider motion rotation mechanism can be used to move on guide rails of annular structures with different radii, improving applicability and thus expanding the application range of the transportation device; by providing a rotary bearing and a rotary platform to enhance the running stability of the double-slider motion rotation mechanism, the operation is more stable, and it can avoid the situation of jamming during turning. When encountering products with large jigs, there is no easy shaking in the left-right, up-down directions, and the accuracy is higher, thus effectively reducing the product defect rate, and the product defect rate is relatively low; by providing a force-bearing structure to make the force on the rotary bearing uniform, thereby ensuring the force stability and uniformity between the bottom plate and the rotary platform, preventing deviation during long-term use, and ensuring the working stability and service life of the transportation device.

[0036] The utility model is not limited to the above embodiments. Other transportation devices using the double-slider motion rotation mechanism obtained by adopting the same or similar structures or devices as those in the above embodiments of the utility model are within the protection scope of the utility model.

Claims

1. A double-slider motion rotation mechanism, characterized in that: The double-slider motion and rotation mechanism includes a bottom plate and a plurality of universal sliders, which are arranged at the bottom of the bottom plate in an array; a rotary bearing is provided between the bottom plate and the universal sliders; a force-bearing structure is provided between the bottom plate and the rotary bearing; each universal slider is provided with a universal structure; positioning grooves are further provided on both side surfaces of the universal slider, and a positioning block and a connecting block are respectively provided in the positioning grooves.

2. The double-slider motion rotation mechanism according to claim 1, characterized in that: The universal structure includes two mirror-image opposite universal components, each universal component includes a bearing and a rotating seat, the bearing is arranged in the universal slider, the bearing is provided with a rotating shaft, and the rotating seat is arranged on the rotating shaft; two rollers are provided on each rotating seat.

3. The double-slider motion rotation mechanism according to claim 2, characterized in that: The connection between the positioning block and the universal slider and the connection between the connecting block and the universal slider are both detachable connections; the positioning block is provided with a first positioning groove; the connecting block is provided with a placement groove, and a plurality of straight groove countersunk holes are provided in the placement groove.

4. The double-slider motion rotation mechanism according to claim 3, characterized in that: A first groove is provided on the surface of the universal slider; the rotary bearing is arranged in the first groove; the rotary bearing is provided with a rotary platform, and the rotary platform is connected to the bottom of the bottom plate.

5. The double-slider motion rotation mechanism according to claim 4, characterized in that: The force-bearing structure includes a plurality of countersunk holes arranged in a circular array and a plurality of threaded holes arranged in a circular array; the threaded holes are arranged on the rotary platform, the countersunk holes are arranged on the bottom plate, screws are provided in the countersunk holes, and the screws are fixedly connected to the threaded holes.

6. A transport device, characterized in that: Including the double-slider motion and rotation mechanism according to any one of claims 1-5 above.

7. The transport device according to claim 6, characterized in that: The transportation device further includes a platform, a guide rail, a driving mechanism, a linkage mechanism, a positioning component, and a stable bearing component; the guide rail is arranged on the platform, chutes are provided on both sides of the guide rail, the double-slider motion and rotation mechanism is arranged on the guide rail, and the side surface of the roller is attached to the chute; the driving mechanism is arranged beside the guide rail; the platform is provided with a through hole, and the positioning component is arranged in the through hole; the linkage mechanism is arranged on the inner side plate of the guide rail, and the linkage mechanism is connected to the double-slider motion and rotation mechanism and the driving mechanism.

8. The transport device according to claim 7, wherein: The linkage mechanism includes a plurality of gear components and a chain, each gear component includes a gear and a first bearing, the gear is arranged on the first bearing, the first bearing is arranged on the inner side of the guide rail, and the chain is sleeved outside a plurality of the gears to form a linkage connection; the connecting block is respectively fixedly connected to the chain; the driving mechanism includes a driving motor, and the driving end of the driving motor is connected to one of the first bearings; the stable bearing component includes one set or more of bearing groups, and the bearing groups are arranged between the chain and the guide rail.

9. The transport device according to claim 8, wherein: The positioning component includes a cylinder and a positioning top block, the cylinder is arranged at the bottom of the platform, a lever component is provided between the cylinder and the positioning top block, and the positioning top block passes through the through hole.

10. The transport device according to claim 9, characterized in that: The guide rail is one of a circular guide rail or a special-shaped guide rail composed of a straight line and an arc guide rail.

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