Angle adjusting device for industrial robot

Abstract

The utility model discloses an angle adjusting device for an industrial robot, and belongs to the technical field of industrial robots. The angle adjusting device for the industrial robot comprises a robot base, winding discs are installed at the two ends of a rotating frame, an adjusting frame is installed above the rotating frame, connecting lugs are installed on the two sides of the adjusting frame, and steel cables are connected between the winding discs and the connecting lugs. The angle adjusting device of the industrial robot solves the problems that an angle adjusting device of an existing industrial robot is simple in adjusting structure, small in range and general in applicability, the two motors are used for conducting opposite rotation driving work, the two winding discs are driven to conduct rotation winding in different directions, two corresponding steel cables are wound and unwound, and the angle adjusting device of the industrial robot is high in practicability. The angle of the adjusting frame is adjusted, the angle position of the adjusting frame is adjusted, adjustment work of different positions is carried out in cooperation with the electric oil cylinder, operation is convenient, the structure is stable, use is convenient and fast, the application range is large, and application to different kinds of work is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of industrial robots, in particular to an angle adjustment device for industrial robots. Background Art

[0002] An industrial robot is an automatically controlled, reprogrammable, multi-purpose manipulator that can be programmed on three or more axes. It is fixed or movable and is used in industrial automation systems. Its mechanism is usually composed of a series of mutually articulated or sliding joints, with several degrees of freedom and similar motion functions to human arms, and is used for a variety of purposes such as grasping or carrying objects.

[0003] A Chinese patent with publication number CN114160885A discloses a cutting device developed by an industrial robot for adjusting the cutting angle, comprising: at least one pair of relatively arranged support plates; a connecting rod connected between the support plates; a cutting mechanism connected to the connecting rod, comprising a drive motor and a cutting blade driven by the drive motor. The patent can change the angle relationship and position relationship between the blade to be cut and the workpiece according to actual use and operation requirements, so as to achieve a more ideal purpose of cutting the workpiece.

[0004] In actual use, the angle adjustment device of the industrial robot in the above patent has a simple adjustment structure, a small adjustment range, and general applicability; therefore, it does not meet existing needs. In this regard, we propose an angle adjustment device for an industrial robot. Utility Model Content

[0005] The utility model aims to provide an angle adjustment device for an industrial robot, which solves the problems that the angle adjustment device for an industrial robot proposed in the above background technology has a simple adjustment structure, a small adjustment range and general applicability during actual use.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an angle adjustment device for an industrial robot, comprising a robot base, a rotating frame is installed above the robot base, winding disks are installed at both ends of the rotating frame, an adjustment frame is installed above the rotating frame, connecting ears are installed on both sides of the adjustment frame, a steel cable is connected between the winding disk and the connecting ears, and a lifting frame is installed inside the adjustment frame.

[0007] Preferably, stabilizing frames are installed on both sides of the robot base, a stepping motor is installed at the lower end of the robot base, and a transmission shaft is installed between the upper end of the stepping motor and the rotating frame.

[0008] Preferably, the transmission shaft is fixedly connected to the rotating frame and the motor shaft of the stepper motor respectively through a coupling, a bearing seat is installed between the robot base and the rotating frame, and the transmission shaft is rotatably connected to the robot base through the bearing seat.

[0009] Preferably, motors are installed on both sides of the rotating frame, the motors are connected to the rotating frame via fixing screws, and the motors are connected to the winding reel via a driving shaft.

[0010] Preferably, one end of the steel cable is wound around the outside of the winding drum and fixedly connected to the winding drum, and the other end of the steel cable is fixedly connected to the connecting ear.

[0011] Preferably, a rotating shaft is installed in the middle of the adjusting frame, a connecting arm is welded to the upper end of the rotating frame, and the adjusting frame is rotatably connected to the connecting arm via the rotating shaft.

[0012] Preferably, a positioning bracket is welded to the upper part of the adjusting bracket, an integrally formed guide groove is arranged inside the positioning bracket, and the lifting bracket is slidably connected to the adjusting bracket via the guide groove.

[0013] Preferably, a fixing frame is installed below the lifting frame, the fixing frame is fixedly connected to the positioning bracket, and an electric cylinder is installed between the fixing frame and the lifting frame, and the upper and lower ends of the electric cylinder are fixedly connected to the fixing frame and the lifting frame respectively by fixing screws.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] The utility model discloses that when using, through the stepper motor rotation, drive transmission shaft drives rotating frame to rotate, rotating frame drives and adjusting frame to rotate, adjusts the mechanical arm above lifting frame, thereby carries out angle adjustment work, and can use two groups of electric motors to carry out opposite rotation driving work, drive two winding discs to rotate and reel in different directions, makes two corresponding steel cables be retracted and released, thereby adjusts the angle of adjusting frame, makes the angular position of adjusting frame be adjusted, cooperates with electric oil cylinder to carry out adjustment work at different positions, is convenient to operate, has stable structure, is convenient to use, has wide adaptability, and is suitable for different work. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is an axonometric view of the front view of the utility model;

[0017] Figure 2 It is an axonometric view of the side view of the utility model;

[0018] Figure 3 It is an axonometric view of the utility model from above;

[0019] Figure 4 This is the axonometric drawing of the utility model after adjustment.

[0020] In the figure: 1. robot base; 101. stabilizing frame; 102. stepping motor; 2. rotating frame; 201. bearing seat; 202. transmission shaft; 203. motor; 204. winding disk; 205. steel cable; 206. connecting arm; 3. adjusting frame; 301. positioning bracket; 302. guide groove; 303. connecting ear; 304. rotating shaft; 4. lifting frame; 401. electric cylinder; 402. fixing frame. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] In order to solve the problems of the existing industrial robot angle adjustment device in actual use, the adjustment structure is simple, the range is small, and the applicability is general, please refer to Figure 1-Figure 4 , this embodiment provides the following technical solutions:

[0023] An angle adjustment device for an industrial robot comprises a robot base 1, a rotating frame 2 is installed above the robot base 1, winding discs 204 are installed at both ends of the rotating frame 2, an adjustment frame 3 is installed above the rotating frame 2, connecting ears 303 are installed on both sides of the adjustment frame 3, a steel cable 205 is connected between the winding disc 204 and the connecting ears 303, and a lifting frame 4 is installed inside the adjustment frame 3.

[0024] Stabilizing frames 101 are installed on both sides of the robot base 1, a stepping motor 102 is installed at the lower end of the robot base 1, a transmission shaft 202 is installed between the upper end of the stepping motor 102 and the rotating frame 2, the stepping motor 102 rotates, the transmission shaft 202 drives the rotating frame 2 to rotate, the rotating frame 2 drives the adjusting frame 3 to rotate, the transmission shaft 202 is fixedly connected to the rotating frame 2 and the motor shaft of the stepping motor 102 through a coupling, a bearing seat 201 is installed between the robot base 1 and the rotating frame 2, and the transmission shaft 202 is rotatably connected to the robot base 1 through the bearing seat 201.

[0025] Specifically, the stepper motor 102 rotates to drive the transmission shaft 202 to rotate the rotating frame 2, and the rotating frame 2 drives the adjusting frame 3 to rotate, and the mechanical arm above the lifting frame 4 is adjusted to adjust the angle, and the two sets of motors 203 can be used to perform opposite rotation driving work, drive the two winding disks 204 to rotate and reel in different directions, so that the two corresponding steel cables 205 can be retracted and released, thereby adjusting the angle of the adjusting frame 3, so that the angular position of the adjusting frame 3 is adjusted, and cooperates with the electric cylinder 401 to perform adjustment work at different positions, which is convenient to operate, stable in structure, easy to use, and has a wide range of adaptability, which is conducive to being suitable for different tasks.

[0026] In order to solve the technical problems in the prior art, such as the fixed adjustment angle, inconvenient adjustment, and affecting long-term work, please refer to Figure 1 , Figure 4 , providing the following technical solutions:

[0027] Motors 203 are installed on both sides of the rotating frame 2. The motors 203 are connected to the rotating frame 2 by fixing screws. The motors 203 and the winding drum 204 are connected by a driving shaft transmission. One end of the steel cable 205 is wound around the outside of the winding drum 204 and fixedly connected to the winding drum 204, and the other end of the steel cable 205 is fixedly connected to the connecting ear 303. The two groups of motors 203 perform opposite rotation driving work, driving the two winding drums 204 to rotate and wind in different directions, so that the two corresponding steel cables 205 can be retracted and released.

[0028] A rotating shaft 304 is installed in the middle of the adjusting frame 3, and a connecting arm 206 is welded to the upper end of the rotating frame 2. The adjusting frame 3 is rotatably connected to the connecting arm 206 through the rotating shaft 304. The adjusting frame 3 rotates inside the rotating frame 2 through the rotating shaft 304 to perform adjustment work.

[0029] Specifically, two groups of motors 203 are used to perform opposite rotation driving work, driving the two winding disks 204 to rotate and wind in different directions, so that the two corresponding steel cables 205 are retracted and released, thereby adjusting the angle of the adjustment frame 3, so that the angular position of the adjustment frame 3 is adjusted, and the callback work is conveniently performed through the operation of the forward and reverse motors.

[0030] In order to solve the technical problems of inconvenient height adjustment and poor adaptability of industrial robots in the prior art, please refer to Figure 1-Figure 4 , providing the following technical solutions:

[0031] A positioning bracket 301 is welded on the top of the adjusting bracket 3 , and an integrally formed guide groove 302 is arranged inside the positioning bracket 301 . The lifting bracket 4 is slidably connected to the adjusting bracket 3 via the guide groove 302 , and the structural position of the lifting bracket 4 is kept stable via the guide groove 302 .

[0032] A fixing frame 402 is installed below the lifting frame 4, and the fixing frame 402 is fixedly connected to the positioning bracket 301, and an electric cylinder 401 is installed between the fixing frame 402 and the lifting frame 4, and the upper and lower ends of the electric cylinder 401 are respectively fixedly connected to the fixing frame 402 and the lifting frame 4 by fixing screws. After the angle adjustment is completed, the lifting frame 4 is driven to move inside the positioning bracket 301 by telescoping the electric cylinder 401, and the lifting frame 4 fixes the mechanical arm to be installed to perform adjustment work at different positions.

[0033] Specifically, after the angle adjustment is completed, the lifting frame 4 is driven to move inside the positioning bracket 301 through the telescopic electric cylinder 401. The lifting frame 4 fixes the mechanical arm to be installed to perform adjustment work at different positions. It is easy to operate, has a stable structure, is easy to use, has a wide range of adaptability, and is suitable for different tasks.

[0034] Working principle: When in use, the mechanical arm to be installed is fixed by the lifting frame 4, and the stepper motor 102 is rotated to drive the transmission shaft 202 to drive the rotating frame 2 to rotate, and the rotating frame 2 drives the adjusting frame 3 to rotate, and the mechanical arm above the lifting frame 4 is adjusted, so as to adjust the angle, and the two sets of motors 203 can be used to perform opposite rotation driving work, drive the two winding discs 204 to rotate and reel in different directions, so that the two corresponding steel cables 205 are retracted and released, so as to adjust the angle of the adjusting frame 3, so that the angular position of the adjusting frame 3 is adjusted, and the electric cylinder 401 is used to adjust the angle position of the adjusting frame 3, which is convenient to operate, has a stable structure, is easy to use, has a wide range of adaptability, and is conducive to different work, so that the angular position of the adjusting frame 3 is adjusted, and the forward and reverse motors are used to facilitate the callback work, and the telescopic electric cylinder 401 drives the lifting frame 4 to move inside the positioning bracket 301 to adjust the positions, which is convenient to operate, has a stable structure, is easy to use, has a wide range of adaptability, and is conducive to different work.

[0035] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0036] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An angle adjustment device for an industrial robot, comprising a robot base (1), characterized in that: A rotating frame (2) is installed above the robot base (1), and winding discs (204) are installed at both ends of the rotating frame (2). An adjusting frame (3) is installed above the rotating frame (2), and connecting ears (303) are installed on both sides of the adjusting frame (3). A steel cable (205) is connected between the winding disc (204) and the connecting ears (303), and a lifting frame (4) is installed inside the adjusting frame (3).

2. The angle adjustment device for an industrial robot according to claim 1, characterized in that: Stabilizing frames (101) are installed on both sides of the robot base (1), a stepping motor (102) is installed at the lower end of the robot base (1), and a transmission shaft (202) is installed between the upper end of the stepping motor (102) and the rotating frame (2).

3. The angle adjustment device for an industrial robot according to claim 2, characterized in that: The transmission shaft (202) is fixedly connected to the rotating frame (2) and the motor shaft of the stepping motor (102) respectively through a coupling, a bearing seat (201) is installed between the robot base (1) and the rotating frame (2), and the transmission shaft (202) is rotatably connected to the robot base (1) through the bearing seat (201).

4. The angle adjustment device for an industrial robot according to claim 1, characterized in that: Motors (203) are installed on both sides of the rotating frame (2); the motor (203) is connected to the rotating frame (2) via fixing screws; and the motor (203) is connected to the winding reel (204) via a driving shaft.

5. The angle adjustment device for an industrial robot according to claim 4, characterized in that: One end of the steel cable (205) is wound around the outside of the winding drum (204) and fixedly connected to the winding drum (204), and the other end of the steel cable (205) is fixedly connected to the connecting ear (303).

6. The angle adjustment device for an industrial robot according to claim 1, characterized in that: A rotating shaft (304) is installed in the middle of the adjusting frame (3), a connecting arm (206) is welded to the upper end of the rotating frame (2), and the adjusting frame (3) is rotatably connected to the connecting arm (206) via the rotating shaft (304).

7. The angle adjustment device for an industrial robot according to claim 1, characterized in that: A positioning bracket (301) is welded to the top of the adjusting bracket (3), an integrally formed guide groove (302) is provided inside the positioning bracket (301), and the lifting bracket (4) is slidably connected to the adjusting bracket (3) via the guide groove (302).

8. The angle adjustment device for an industrial robot according to claim 7, characterized in that: A fixing frame (402) is installed below the lifting frame (4), the fixing frame (402) is fixedly connected to the positioning bracket (301), and an electric cylinder (401) is installed between the fixing frame (402) and the lifting frame (4), and the upper end and the lower end of the electric cylinder (401) are respectively fixedly connected to the fixing frame (402) and the lifting frame (4) by fixing screws.

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