Rail reversing mechanism for RGV (Rail Guided Vehicle)

Abstract

The track reversing mechanism comprises a bottom plate and a transfer table, the bottom plate is fixedly connected to a frame body, the frame body is provided with at least two conveying channels, and each conveying channel is provided with a conveying opening for the RGV to go in and out; each conveying channel is provided with a first linear guide rail, one end of each first linear guide rail extends to the corresponding conveying opening, and a first connecting end face is formed. The transfer table is rotationally connected to the bottom plate, a set of second linear rails used for being in sliding connection with the bottom of the RGV are symmetrically arranged on the transfer table, and second connecting end faces are formed at the two ends of the second linear rails; the bottom plate is further provided with a transfer driving device which is located on the lower portion of the transfer table and used for rotatably adjusting the direction of the transfer table, and the first linear rail rotates along with the transfer driving device driving the transfer table to rotate in the horizontal direction. The running direction of the RGV is directly changed through the transfer table, and running stability and flexibility of the RGV are guaranteed.

Description

Technical Field

[0001] The utility model relates to a track commutation mechanism, in particular to a track commutation mechanism for an RGV cart. Background Art

[0002] In the related art, with the development of automated logistics systems and automated warehouses, RGVs (Rail Guided Vehicles) have emerged. They can be very conveniently and automatically connected to other logistics systems, such as outbound / inbound platforms, conveyors, elevators, and robots, and convey materials along a predetermined track.

[0003] In order to improve space utilization in a stereoscopic warehouse, the shelves in the stereoscopic warehouse are arranged densely. A conveying channel is formed between two adjacent shelves, and a conveying track for the RGV to travel is provided on the conveying channel; between two adjacent conveying channels, the conveying tracks are connected by arranging turning tracks, and a corresponding turning structure needs to be provided on the wheels of the RGV, and the RGV can shuttle between multiple conveying channels through the turning tracks;

[0004] However, the turning radius is usually an important consideration in the design of RGVs. The turning radius is prone to unreasonable design, which has a greater impact on the running smoothness and flexibility of the RGV on the turning track.

[0005] Therefore, it is necessary to propose a further solution to solve the problem that the turning radius is prone to unreasonable design and affects the running smoothness and flexibility of the RGV on the turning track. Summary of the Utility Model

[0006] The utility model provides a track commutation mechanism for an RGV cart to solve the above technical problems.

[0007] The purpose of the utility model is achieved by the following technical solutions: A track commutation mechanism for an RGV cart includes:

[0008] A bottom plate, which is fixedly connected to a frame body. At least two conveying channels are provided on the frame body, and each conveying channel is provided with a conveying port for the RGV to enter and exit; A linear guide rail I is provided on each conveying channel, and one end of the linear guide rail I extends to the conveying port and forms a first connection end face;

[0009] The transfer table is rotatably connected to the bottom plate, and a group of linear guide rails II for sliding connection with the bottom of the RGV are symmetrically arranged on the transfer table, and second connection end faces are formed at both ends of the linear guide rails II;

[0010] A transfer driving device for rotatably adjusting the direction of the turntable is further provided on the bottom plate. The first linear track rotates as the transfer driving device drives the turntable to rotate horizontally along the horizontal direction, so that the second connection end face is aligned with the first connection end face of the linear guide rail in any one of the conveying channels.

[0011] Further, the rotation angle of the turntable is a, where 0° ≤ a ≤ 90°.

[0012] Further, a gap is provided between the second connection end and the first connection end face.

[0013] Further, the transfer driving device includes a driving gear and a driving cylinder. The driving gear is rotatably connected to the bottom plate; the turntable is fixedly connected to the top of the driving gear; the driving cylinder is fixedly connected to the frame body, and a connecting plate is fixedly connected to the telescopic rod thereof. A rack is fixedly connected along the length of the connecting plate; the rack is meshed with the driving gear to drive the turntable to perform a horizontal rotation motion.

[0014] Further, a guiding mechanism is further provided on the turntable. The guiding mechanism is a linear slide rail fixedly connected to the turntable, and the bottom of the connecting plate is slidably connected to the linear slide rail.

[0015] Further, the conveying directions of the two conveying channels intersect, the turntable is arranged at the intersection of the two conveying directions, and the rotation center point of the turntable coincides with the intersection point of the two conveying directions.

[0016] The beneficial technical effects achieved by the present utility model are as follows:

[0017] The turntable provided by the present utility model is driven by the meshing transmission of the driving gear and the rack, and the cylinder drives the transmission between the rack and the driving gear, so as to realize the reciprocating rotation of the turntable between at least two conveying channels and switch the traveling direction of the RGV; since there is no need to set a turning mechanism on each roller of the RGV to drive the roller to rotate and change the moving direction, and the direction is directly changed through the turntable, the turning method of the RGV is simpler and more reliable, the manufacturing cost is reduced, and the smoothness and flexibility of the RGV during direction change can be ensured. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is one of the overall structural schematic diagrams of a track reversing mechanism for an RGV trolley of the present utility model;

[0019] Figure 2 is Figure 1 an enlarged schematic diagram of A in

[0020] Figure 3 is a connection structural schematic diagram of the rotating linear track two and the linear guide rail one of the turntable;

[0021] Figure 4 is a schematic structural diagram of the transfer driving device in the present utility model;

[0022] Figure 5 is a schematic connection structural diagram among the turntable, the bottom plate, and the second linear guide rail in the present utility model. Specific Embodiment

[0023] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the accompanying drawings required for use in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other accompanying drawings can also be obtained based on these drawings.

[0024] Please refer to Figures 1-5 , a track commutation mechanism for an RGV vehicle, comprising:

[0025] A bottom plate 2, which is fixedly connected to a frame body 1. At least two conveying channels 13 are provided on the frame body 1, and each conveying channel 13 is provided with a conveying port for the RGV to enter and exit; a first linear guide rail 11 is provided on each conveying channel 13, and one end of the first linear guide rail 11 extends to the conveying port and forms a first connection end face 1101;

[0026] A turntable 3, which is rotatably connected to the bottom plate 2. A set of linear tracks 12 for slidably connecting with the bottom of the RGV are symmetrically arranged on the turntable 3, and both ends of the linear tracks 12 form a second connection end face 1201;

[0027] Wherein:

[0028] A transfer driving device for rotatably adjusting the direction of the turntable 3 is further provided on the bottom plate 2 below the turntable 3. The first linear guide rail rotates as the transfer driving device drives the turntable 3 to rotate horizontally, so that the second connection end face 1201 is aligned with the first connection end face 1101 of the first linear guide rail 11 in any one of the conveying channels 13.

[0029] Preferably, the rotation angle of the turntable 3 is a, 0° ≤ a ≤ 90°.

[0030] Preferably, a gap is provided between the second connection end face 1201 and the first connection end face 1101.

[0031] Preferably, the transfer driving device includes a driving gear 43 and a driving cylinder 41. The driving gear 43 is rotatably connected to the bottom plate 2; the transfer table 3 is fixedly connected to the top of the driving gear 43; the driving cylinder 41 is fixedly connected to the frame body 1, and a connecting plate 45 is fixedly connected to its telescopic rod. The connecting plate 45 is fixedly connected with a rack 42 along its length; the rack 42 is meshed with the driving gear 43 to drive the transfer table 3 to make a horizontal rotational movement.

[0032] Preferably, a guiding mechanism is further arranged on the transfer table. The guiding mechanism is a guiding linear slide rail 44 fixedly connected to the transfer table, and the bottom of the connecting plate 2 is slidably connected with the guiding linear slide rail 44.

[0033] Preferably, the conveying directions of the two conveying channels 13 intersect. The transfer table 3 is arranged at the intersection of the two conveying directions, and the rotation center point of the transfer table 3 coincides with the intersection point of the two conveying directions.

[0034] As can be seen from the above, the transfer table 3 provided by the present utility model is driven by the meshing transmission of the driving gear 43 and the rack 42, and the cylinder drives the transmission between the rack 42 and the driving gear 43 to realize the reciprocating rotation of the transfer table 3 between at least two conveying channels 13 and switch the traveling direction of the RGV; since there is no need to set a turning mechanism on each roller of the RGV to drive the roller to rotate and change the moving direction, and directly reverse the direction through the transfer table 3, the turning method of the RGV is simpler and more reliable, the manufacturing cost is reduced, and the smoothness and flexibility of the RGV during reversing travel can be ensured.

[0035] The above has introduced in detail a RGV transfer device for an intelligent stereoscopic warehouse 1 provided by an embodiment of the present utility model. Specific examples are used in this article to elaborate on the principle and implementation manner of the present utility model. The description of the above embodiments is only used to help understand the core idea of the present utility model; at the same time, for those of ordinary skill in the art, according to the idea and method of the present utility model, there will be changes in the specific implementation manner and application scope. In summary, the content of this specification should not be construed as a limitation to the present utility model.

[0036] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present utility model. Various modifications to these embodiments will be obvious to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present utility model. Therefore, the present utility model will not be limited to the embodiments shown herein, but will be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An orbit commutation mechanism for an RGV vehicle, characterized in that, Including: A bottom plate fixedly connected to the frame body. At least two conveying channels are provided on the frame body, and each conveying channel is provided with a conveying port for the RGV to enter and exit; a first linear guide rail is provided on each conveying channel, and one end of the first linear guide rail extends to the conveying port and forms a first connection end face. A turntable rotatably connected to the bottom plate. A set of linear tracks for sliding connection with the bottom of the RGV are symmetrically arranged on the turntable, and second connection end faces are formed at both ends of the linear tracks. Wherein: A turntable driving device for rotatably adjusting the direction of the turntable is further provided on the bottom plate and located below the turntable. The first linear guide rail rotates as the turntable driving device drives the turntable to rotate horizontally, so that the second connection end face is aligned with the first connection end face of the first linear guide rail in any conveying channel.

2. The track commutation mechanism for an RGV cart according to claim 1, characterized in that, The rotation angle of the turntable is a, and 0° ≤ a ≤ 90°.

3. The track commutation mechanism for the RGV cart according to claim 1, characterized in that, A gap is provided between the second connection end face and the first connection end face.

4. The track commutation mechanism for an RGV cart according to claim 3, characterized in that, The turntable driving device includes a driving gear and a driving cylinder. The driving gear is rotatably connected to the bottom plate; the turntable is fixedly connected to the top of the driving gear; the driving cylinder is fixedly connected to the frame body, and a connecting plate is fixedly connected to the telescopic rod thereof. A rack is fixedly connected along the length of the connecting plate; the rack is meshed with the driving gear to drive the turntable to perform a horizontal rotation motion.

5. The track commutation mechanism for an RGV vehicle according to claim 4, characterized in that, A guiding mechanism is further provided on the turntable. The guiding mechanism is a linear slide rail fixedly connected to the turntable, and the bottom of the connecting plate is slidably connected to the linear slide rail.

6. The track commutation mechanism for an RGV cart according to claim 1, characterized in that, The conveying directions of the two conveying channels intersect, the turntable is arranged at the intersection of the two conveying directions, and the rotation center point of the turntable coincides with the intersection point of the two conveying directions.

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