Enclosed robotic ground rail structure

Abstract

The utility model relates to a closed robot ground rail structure, its characterized in that, including base, the connecting bench is equipped with on the base top, the connecting bench surface is used for installing industrial robot, is equipped with the slide rail on the base, the connecting bench bottom is equipped with the sliding block, the sliding block is coupled in the slide rail and can constitute the sliding fit between both, one side of base is equipped with transmission rack, is equipped with drive motor on the connecting bench, the output of drive motor is equipped with the drive gear that meshes with transmission rack, transmission rack both sides are equipped with buffer tooth, and the end of buffer tooth and transmission rack leaves buffer interval, and is equipped with buffer assembly between transmission rack and buffer tooth, when drive gear removes to transmission rack end, buffer assembly is used for unloading force to the torsion that transmission rack produces, to avoid the gear impact between drive gear and transmission rack. The utility model has the advantages and effects that: can avoid gear impact while reducing the overall manufacturing cost.

Description

Technical Field

[0001] This utility model relates to the field of ground track technology, specifically to a closed robot ground track structure. Background Technology

[0002] Floor rails are mainly used for the assembly, testing, welding and inspection of large equipment. Due to processing limitations, the maximum reach of industrial robots is currently limited. Therefore, floor rails serve as the seventh axis of industrial robots to extend their working range. In addition, some floor rails have enclosed sheet metal installed on the rail bracket to reduce dust particles from entering the rail and improve operational stability.

[0003] A search revealed Chinese patent document CN217995802U, which discloses a shock-absorbing self-cleaning floor rail, comprising a floor rail body and a guide rail platform. The guide rail platform is disposed on the floor rail body, which includes a base, a guide rail, and a moving rail. The guide rail and the moving rail are disposed on the upper part of the base, and the moving rail is disposed next to the guide rail and parallel to it. The guide rail platform includes a first guide rail platform for mounting a motion motor and a second guide rail platform for shock absorption. The motion motor is fixed on the second guide rail platform, and a gear set is sleeved on the output shaft of the motion motor. The gear set includes a driving gear and a driven gear. The driving gear is sleeved on the output shaft, and the driven gear is disposed next to the driving gear and meshes with the driving gear.

[0004] In the above technical solution, the motor drives the active gear to rotate, and under the action of the transmission rack meshing with the active gear, it drives the guide rail to move, thereby driving the industrial robot connected to the guide rail to move. However, in actual use, it has been found that tooth breakage cannot be avoided when the active gear moves to the end of the transmission rack. Generally, corresponding limit switches are installed at both ends of the transmission rack, and the motor is a stepper motor or servo motor. The number of pulses of the motor is controlled by the driver to prevent the active gear from exceeding the range of the transmission rack, thereby avoiding tooth breakage. However, adopting this structural design will result in a higher overall manufacturing cost. Summary of the Invention

[0005] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a closed robot track structure that can avoid tooth breakage and reduce the overall manufacturing cost.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a closed robot ground rail structure, including a base, a connecting platform on the top of the base, the surface of the connecting platform for mounting an industrial robot, a slide rail on the base, a slider at the bottom of the connecting platform, the slider being coupled to the slide rail and forming a sliding fit between the two, a transmission rack on one side of the base, a drive motor on the connecting platform, a drive gear at the output end of the drive motor meshing with the transmission rack, buffer teeth on both sides of the transmission rack, a buffer gap between the buffer teeth and the end of the transmission rack, and a buffer assembly between the transmission rack and the buffer teeth. When the drive gear moves to the end of the transmission rack, the buffer assembly is used to unload the torque generated by the transmission rack to avoid tooth breakage between the drive gear and the transmission rack.

[0007] The present invention is further configured such that: the buffer assembly includes a first flange and a second flange, the first flange and the second flange are respectively fixed to the transmission rack and the buffer tooth, a guide rod is provided between the first flange and the second flange, a buffer spring is fitted on the outer periphery of the guide rod, and the buffer tooth compresses the buffer spring by moving along the guide rod.

[0008] The present invention is further configured such that: the first flange and the second flange are respectively provided with a first through hole and a second through hole opposite to each other; one end of the guide rod is fixed to the first through hole; and the second flange is fitted onto the outer periphery of the guide rod through the second through hole.

[0009] The present invention is further configured such that: a mounting plate is provided on the base, and the side wall of the mounting plate can contact the transmission rack to position the transmission rack for installation.

[0010] The present invention is further configured such that: a stabilizing plate is provided on the mounting plate, a guide groove is provided on the stabilizing plate, and a protruding guide block is provided on the buffer tooth, the guide block extends to the guide groove and can form a sliding fit between the two.

[0011] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0012] Because a buffer assembly is provided between the transmission rack and the buffer teeth, when the drive gear moves to the end of the transmission rack, the drive buffer assembly can unload the torque generated by the transmission rack, so as to avoid tooth knocking between the drive gear and the transmission rack. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the overall structure of the present invention when the enclosed sheet metal is removed (I);

[0014] Figure 2 This is a schematic diagram (II) of the overall structure of this utility model when the enclosed sheet metal is removed;

[0015] Figure 3 This is a schematic diagram (I) showing the relationship between the transmission rack, buffer teeth, and buffer assembly in this utility model;

[0016] Figure 4 This is a schematic diagram (II) showing the relationship between the transmission rack, buffer teeth, and buffer assembly in this utility model;

[0017] Figure 5 This is a partially enlarged structural diagram of point A in this utility model;

[0018] Figure 6 This is a schematic diagram of the overall structure of the present invention when the enclosed sheet metal is installed. Detailed Implementation

[0019] The technical solution of the present invention will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0020] In the description of this invention, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing the invention and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0021] like Figures 1 to 6 As shown, this utility model discloses a closed robot ground rail structure, including a base 1, a connecting platform 2 on the top of the base 1, the surface of the connecting platform 2 for mounting an industrial robot 100, a slide rail 3 on the base 1, the slide rail 3 being fixed to the base 1 by bolts and nuts, a slider 4 at the bottom of the connecting platform 2, the slider 4 being coupled to the slide rail 3 and forming a sliding fit between the two, a transmission rack 5 on one side of the base 1, the transmission rack 5 being fixed to the base 1 by bolts and nuts, a drive motor 6 on the connecting platform 2, and a drive gear 7 at the output end of the drive motor 6 meshing with the transmission rack 5. After the drive motor 6 drives the drive gear 7 to rotate, the slider 4 can be driven to slide along the slide rail 3 under the transmission action of the transmission rack 5, thereby driving the industrial robot 100 connected to the connecting platform 2 to move, so as to expand the working range of the industrial robot 100.

[0022] In this embodiment, buffer teeth 8 are further provided on both sides of the transmission rack 5. The buffer teeth 8 and the transmission rack 5 are tooth profiles that are compatible. The buffer teeth 8 are designed to be movable. A buffer gap is left between the buffer teeth 8 and the end of the transmission rack 5. It should be noted that the buffer gap is preferably the width of one tooth groove of the transmission rack 5. This ensures that the buffer gap is sufficient for the buffer teeth 8 to move while avoiding the buffer gap being too large, which would prevent the buffer teeth 8 from meshing properly with the drive gear 7. A buffer assembly is provided between the transmission rack 5 and the buffer teeth 8. When the drive gear 7 moves to the end of the transmission rack 5, the drive buffer assembly is used to unload the torque generated by the transmission rack 5 to avoid tooth knocking between the drive gear 7 and the transmission rack 5.

[0023] The specific structure of the buffer assembly includes a first flange 91 and a second flange 92, which are respectively fixed to the transmission rack 5 and the buffer tooth 8. A guide rod 93 is provided between the first flange 91 and the second flange 92, and a buffer spring 94 is fitted around the outer periphery of the guide rod 93. The buffer tooth 8 compresses the buffer spring 94 by moving along the guide rod 93. When the drive gear 7 moves to the end of the transmission rack 5, since the buffer gap between the buffer tooth 8 and the end of the transmission rack 5 is one tooth groove width, the drive gear 7 can mesh with the buffer tooth 8 as the drive gear 7 continues to rotate until it moves to the end position of the buffer tooth 8. Then, when the tooth tip of the drive gear 7 contacts the buffer tooth 8, it can push the buffer tooth 8 toward the end of the transmission rack 5, thereby compressing the buffer spring 94. The elastic force generated by the deformation of the buffer spring 94 is used to unload the torque generated when the drive gear 7 rotates, avoiding tooth breakage. With the above design, there is no need to install a limit switch, and the drive motor 6 can be a speed-regulating motor, which can effectively reduce manufacturing costs.

[0024] In this embodiment, the guide rod 93 is installed with a first through hole and a second through hole that are opposite to each other on the first flange 91 and the second flange 92 respectively. One end of the guide rod 93 is fixed to the first through hole, and the second flange 92 is fitted onto the outer periphery of the guide rod 93 through the second through hole.

[0025] In this embodiment, a mounting plate 10 is further provided on the base 1. The side wall of the mounting plate 10 can contact the transmission rack 5 to position the installation of the transmission rack 5. When installing the transmission rack 5, by pushing the transmission rack 5 until the side of the transmission rack 5 facing away from the teeth abuts against the side wall of the mounting plate 10, the installation position of the transmission rack 5 can be determined, thereby positioning the installation of the transmission rack 5.

[0026] In this embodiment, a stabilizing plate 11 is further provided on the mounting plate 10. The stabilizing plate 11 is fixed to the mounting plate 10 by bolts and nuts. The stabilizing plate 11 is provided with a guide groove 111. The buffer tooth 8 is provided with a protruding guide block 81 on the side opposite to the tooth. The guide block 81 extends to the guide groove 111 and can be coupled with the guide groove 111. In this way, when the buffer tooth 8 moves, the guide block 81 and the guide groove 111 can form a sliding fit to guide the movement of the buffer tooth 8 and ensure the stability of the buffer tooth 8 when it moves.

[0027] This specific embodiment is merely an explanation of the present utility model and is not intended to limit the present utility model. After reading this specification, those skilled in the art can make modifications to this embodiment without contributing any inventive step, but as long as they are within the scope of the claims of the present utility model, they are protected by patent law.

Claims

1. A closed robot track structure, characterized in that, The device includes a base with a connecting platform on top. The surface of the connecting platform is used to mount an industrial robot. The base has a slide rail, and the bottom of the connecting platform has a slider that is coupled to the slide rail and can form a sliding engagement between them. A transmission rack is provided on one side of the base, and a drive motor is provided on the connecting platform. The output end of the drive motor has a drive gear that meshes with the transmission rack. Buffer teeth are provided on both sides of the transmission rack, and a buffer gap is left between the buffer teeth and the end of the transmission rack. A buffer assembly is provided between the transmission rack and the buffer teeth. When the drive gear moves to the end of the transmission rack, the buffer assembly is used to relieve the torque generated by the transmission rack to avoid tooth breakage between the drive gear and the transmission rack.

2. The enclosed robot track structure according to claim 1, characterized in that, The buffer assembly includes a first flange and a second flange, which are respectively fixed to a transmission rack and a buffer tooth. A guide rod is provided between the first flange and the second flange, and a buffer spring is fitted around the outer periphery of the guide rod. The buffer tooth compresses the buffer spring by moving along the guide rod.

3. The enclosed robot track structure according to claim 2, characterized in that, The first flange and the second flange are respectively provided with a first through hole and a second through hole opposite to each other. One end of the guide rod is fixed to the first through hole, and the second flange is fitted onto the outer periphery of the guide rod through the second through hole.

4. The enclosed robot track structure according to claim 2, characterized in that, The base is provided with a mounting plate, the side wall of which can contact the transmission rack to position the transmission rack during installation.

5. The enclosed robot track structure according to claim 4, characterized in that, The mounting plate is provided with a stabilizing plate, the stabilizing plate is provided with a guide groove, the buffer tooth is provided with a protruding guide block, the guide block extends to the guide groove and can form a sliding fit between the two.

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