CN108189013B

CN108189013B - Lifting mechanism for robot

Info

Publication number: CN108189013B
Application number: CN201810277615.7A
Authority: CN
Inventors: 张耀忠
Original assignee: Foshan Hengxue Technology Service Co ltd
Current assignee: FOSHAN HENGXUE TECHNOLOGY SERVICE Co.,Ltd.
Priority date: 2018-03-30
Filing date: 2018-03-30
Publication date: 2021-09-24
Anticipated expiration: 2038-03-30
Also published as: CN108189013A

Abstract

The invention discloses a lifting mechanism for a robot, which comprises a base, wherein the top of the base is fixedly connected with an installation block, a motor groove is formed in the installation block, a motor which is vertically arranged is fixedly connected in the motor groove, a rotating groove communicated with the motor groove is formed in the installation block, the tail end of an output shaft of the motor extends into the rotating groove, the tail end of the output shaft of the motor is fixedly connected with a sleeve, the inner wall of the sleeve is connected with a lead screw in a sliding mode, the bottom of the lead screw is fixedly connected with a connecting block, the inner wall of the sleeve is provided with a plurality of sliding grooves which are vertically arranged, a plurality of sliding blocks matched with the sliding grooves are fixedly connected to the side wall of the connecting block, the sliding blocks are all connected with the inner wall of the sliding grooves in a sliding mode, and the top of the installation block is rotatably connected with a rotary table. The lifting mechanism is simple in structure and convenient to operate, and the lifting height limitation is avoided and the requirements of the working space and the movement route of the robot are lowered by utilizing the lifting of the screw rod and the rotation of the turntable.

Description

Lifting mechanism for robot

Technical Field

The invention relates to the technical field of robots, in particular to a lifting mechanism for a robot.

Background

With the rapid development of industrial equipment, automatic and intelligent mechanical products gradually occupy the trend of industrial development, and particularly, a robot capable of carrying and tidying goods is provided, but most of the robots at the present stage are directly composed of a mechanical arm and a mechanical arm, when goods are required to be grabbed and lifted, the grabbing and lifting actions are directly completed by the combination of the mechanical arm and the mechanical arm, and the way not only has certain limitation on the lifting height, but also improves the requirements on the working space and the movement route of the robot.

Disclosure of Invention

The invention aims to solve the problems that the lifting height of a robot in the prior art is limited and the requirements on the working space and the movement path of the robot are high, and provides a lifting mechanism for the robot.

In order to achieve the purpose, the invention adopts the following technical scheme:

a lifting mechanism for a robot comprises a base, wherein the top of the base is fixedly connected with an installation block, a motor groove is formed in the installation block, a motor which is vertically arranged is fixedly connected in the motor groove, a rotating groove communicated with the motor groove is formed in the installation block, the tail end of an output shaft of the motor extends into the rotating groove, a sleeve is fixedly connected to the tail end of the output shaft of the motor, the inner wall of the sleeve is slidably connected with a lead screw, the bottom of the lead screw is fixedly connected with a connecting block, the inner wall of the sleeve is provided with a plurality of sliding grooves which are vertically arranged, a plurality of sliding blocks matched with the sliding grooves are fixedly connected to the side wall of the connecting block, the sliding blocks are all slidably connected with the inner wall of the sliding grooves, the top of the installation block is rotatably connected with a rotary table, and the center of the rotary table is provided with a threaded hole communicated with the rotating groove, the lead screw runs through the screw hole, and the lead screw links to each other with the inner wall screw thread of screw hole, two electric putter are inlayed at the top of installation piece, a plurality of annular evenly distributed's fixed orifices is seted up to the bottom of carousel, and is a plurality of the fixed orifices all matches with electric putter's piston, the top fixedly connected with pivot of lead screw, the one end rotation that the lead screw was kept away from in the pivot is connected with the mounting panel, a plurality of limit structure of bottom fixedly connected with of mounting panel.

Preferably, the limiting structure comprises a sliding rod, the top of the sliding rod is fixedly connected with the bottom of the mounting plate, a hollow tube is sleeved on the side wall of the sliding rod in a sliding mode, and the bottom of the hollow tube is fixedly connected with the top of the rotary table.

Preferably, the side wall of the sleeve is rotatably sleeved with a bearing, and the side wall of the bearing is fixedly connected with the inner wall of the rotating groove.

Preferably, the mounting plate is provided with a plurality of through holes which are uniformly distributed in an annular shape.

Preferably, a plurality of foundation bolts are connected to the base in a threaded manner.

Compared with the prior art, the invention provides a lifting mechanism for a robot, which has the following beneficial effects:

1. the lifting mechanism for the robot is characterized in that an output shaft of a motor rotates to drive a sleeve to rotate, the sleeve rotates to drive a lead screw to rotate through a sliding block on a connecting block, when an electric push rod clamps a turntable, the lead screw rotates in a threaded hole to slide up and down, the sliding block simultaneously slides in a sliding groove, so that the lead screw can slide up and down while rotating, the top of the lead screw is connected with a mounting plate through a rotating shaft, the robot is fixed on the mounting plate through a bolt, so that the robot can lift along with the up-and-down sliding of the lead screw, height limitation does not exist due to the structure of the robot, when the electric push rod does not clamp the turntable, the lead screw rotates to drive the turntable through the threaded hole to rotate, so that the lead screw cannot slide up and down and only can rotate, so that the robot can rotate along with the rotation of the lead screw, and a robot arm and a robot hand only need to perform grabbing action, complicated lifting and rotating actions are omitted, and therefore the requirements of the working space and the movement route of the robot are reduced.

The device has the advantages that the structure is simple, the operation is convenient, and the purposes of no lifting height limitation and reduction of the requirements of the working space and the movement route of the robot are realized by utilizing the lifting of the screw rod and the rotation of the turntable.

Drawings

Fig. 1 is a schematic structural diagram of a lifting mechanism for a robot according to the present invention;

fig. 2 is a schematic structural diagram of a part a of a lifting mechanism for a robot according to the present invention.

In the figure: the device comprises a base 1, a mounting block 2, a motor groove 3, a hollow tube 4, a sliding rod 5, a mounting plate 6, a rotating shaft 7, a lead screw 8, a threaded hole 9, a motor 10, an anchor bolt 11, a rotating groove 12, a bearing 13, a sleeve 14, a sliding groove 15, a sliding block 16, a connecting block 17, a rotary table 18 and an electric push rod 19.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-2, a lifting mechanism for a robot, comprising a base 1, wherein the top of the base 1 is fixedly connected with an installation block 2, the installation block 2 is internally provided with a motor groove 3, the interior of the motor groove 3 is fixedly connected with a motor 10 placed in a vertical direction, the interior of the installation block 2 is provided with a rotation groove 12 communicated with the motor groove 3, the tail end of an output shaft of the motor 10 extends to the interior of the rotation groove 12, the tail end of the output shaft of the motor 10 is fixedly connected with a sleeve 14, the inner wall of the sleeve 14 is slidably connected with a lead screw 8, the bottom of the lead screw 8 is fixedly connected with a connecting block 17, the inner wall of the sleeve 14 is provided with a plurality of slide grooves 15 arranged in a vertical direction, the side wall of the connecting block 17 is fixedly connected with a plurality of slide blocks 16 matched with the slide grooves 15, the slide blocks 16 are all slidably connected with the inner wall of the slide grooves 15, and the top of the installation block 2 is rotatably connected with a turntable 18, screw hole 9 that is linked together with rotating groove 12 is seted up in the center department of carousel 18, lead screw 8 runs through screw hole 9, and lead screw 8 links to each other with the inner wall screw thread of screw hole 9, two electric putter 19 are inlayed and are equipped with at the top of installation piece 2, a plurality of annular evenly distributed's fixed orifices is seted up to the bottom of carousel 18, a plurality of fixed orifices all with electric putter 19's piston phase-match, the top fixedly connected with pivot 7 of lead screw 8, the one end that lead screw 8 was kept away from to pivot 7 is rotated and is connected with mounting panel 6, a plurality of limit structure of bottom fixedly connected with of mounting panel 6.

The limiting structure comprises a sliding rod 5, the top of the sliding rod 5 is fixedly connected with the bottom of the mounting plate 6, the side wall of the sliding rod 5 is sleeved with a hollow tube 4 in a sliding mode, the bottom of the hollow tube 4 is fixedly connected with the top of the rotary table 18, and the connection strength between the mounting plate 6 and the rotary table 18 is enhanced.

The side wall of sleeve 14 rotates the bell and spigot joint and has a bearing 13, and the lateral wall of bearing 13 and the inner wall of rotating groove 12 are fixed continuous, make sleeve 14 rotatory more stable.

A plurality of through holes are formed in the mounting plate 6 and are evenly distributed in an annular shape, and therefore the robot can be conveniently mounted on the mounting plate 6.

Threaded connection has a plurality of rag bolts 11 on the base 1, fixes base 1, prevents that installation piece 2 from rocking.

In the invention, an output shaft of a motor 10 rotates to drive a sleeve 14 to rotate, the sleeve 14 rotates to drive a screw rod 8 to rotate through a sliding block 16 on a connecting block 17, when an electric push rod 19 clamps a rotary disc 18, the screw rod 8 rotates in a threaded hole 9 to enable the screw rod 8 to slide up and down, the sliding block 16 simultaneously slides in a sliding groove 15, so that the screw rod 8 can rotate and slide up and down, the top of the screw rod 8 is connected with a mounting plate 6 through a rotating shaft 7, a robot is fixed on the mounting plate 6 through a bolt, so that the robot can lift along with the up-and-down sliding of the screw rod 8, height limitation does not exist due to the structure of the robot, when the electric push rod 19 does not clamp the rotary disc 18, the screw rod 8 rotates to drive the rotary disc 18 to rotate through the threaded hole 9, so that the screw rod 8 cannot slide up and down and can only rotate, so that the robot can rotate along with the rotation of the screw rod 8, and a robot arm, The robot hand only needs to execute the grabbing action, and complex lifting and rotating actions are omitted, so that the requirements of the working space and the movement route of the robot are reduced.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The lifting mechanism for the robot comprises a base (1) and is characterized in that the top of the base (1) is fixedly connected with an installation block (2), a motor groove (3) is formed in the installation block (2), a motor (10) is fixedly connected to the inside of the motor groove (3) and placed in the vertical direction, a rotating groove (12) communicated with the motor groove (3) is formed in the installation block (2), the tail end of an output shaft of the motor (10) extends to the inside of the rotating groove (12), a sleeve (14) is fixedly connected to the tail end of the output shaft of the motor (10), a lead screw (8) is slidably connected to the inner wall of the sleeve (14), a connecting block (17) is fixedly connected to the bottom of the lead screw (8), a plurality of sliding grooves (15) arranged in the vertical direction are formed in the inner wall of the sleeve (14), a plurality of sliding blocks (16) matched with the sliding grooves (15) are fixedly connected to the side wall of the connecting block (17), the sliding blocks (16) are connected with the inner wall of the sliding groove (15) in a sliding way, the top of the mounting block (2) is rotationally connected with a rotating disc (18), the center of the turntable (18) is provided with a threaded hole (9) communicated with the rotating groove (12), the screw rod (8) penetrates through the threaded hole (9), the screw rod (8) is connected with the inner wall of the threaded hole (9) in a threaded manner, two electric push rods (19) are embedded at the top of the mounting block (2), the bottom of the turntable (18) is provided with a plurality of fixing holes which are uniformly distributed in a ring shape, the plurality of fixing holes are all matched with the piston of the electric push rod (19), the top fixedly connected with pivot (7) of lead screw (8), the one end that lead screw (8) were kept away from in pivot (7) is rotated and is connected with mounting panel (6), a plurality of limit structure of bottom fixedly connected with of mounting panel (6).

2. The lifting mechanism for the robot is characterized in that the limiting structure comprises a sliding rod (5), the top of the sliding rod (5) is fixedly connected with the bottom of a mounting plate (6), a hollow pipe (4) is sleeved on the side wall of the sliding rod (5) in a sliding mode, and the bottom of the hollow pipe (4) is fixedly connected with the top of a rotary disc (18).

3. The lifting mechanism for the robot is characterized in that a bearing (13) is rotatably sleeved on the side wall of the sleeve (14), and the side wall of the bearing (13) is fixedly connected with the inner wall of the rotating groove (12).

4. The lifting mechanism for the robot as claimed in claim 1, wherein the mounting plate (6) is provided with a plurality of through holes, and the through holes are uniformly distributed in a ring shape.

5. A lifting mechanism for a robot according to claim 1, characterised in that a number of anchor bolts (11) are screwed to the base (1).