CN211940996U

CN211940996U - Special torsional resistance rotary mechanism of arm

Info

Publication number: CN211940996U
Application number: CN202020543479.4U
Authority: CN
Inventors: 银凤
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-14
Filing date: 2020-04-14
Publication date: 2020-11-17
Anticipated expiration: 2030-04-14

Abstract

The utility model discloses a special resistance to torsion rotary mechanism of arm, including mount table and erection column, the first mounting bracket of top fixedly connected with of erection column, and the inside of first mounting bracket is pegged graft and is had first arm body, the top fixedly connected with second mounting bracket of first arm body, and the inside of second mounting bracket is pegged graft and is had the second arm body, open at the top of first arm body has first spout, and the inner wall sliding connection of first spout has first slide, open at the top of the second arm body has the second spout, and the inner wall sliding connection of second spout has the second slide. The utility model discloses adjust the shape and the angle of whole arm, utilize positive reverse motor to drive whole arm and turn to, form rotary mechanism, utilize the inside produced frictional force of first spout and second spout to form an ascending tensile force for whole arm to the cooperation knob is further controlled to the antitorque nature.

Description

Special torsional resistance rotary mechanism of arm

Technical Field

The utility model relates to a mechanical arm technical field especially relates to a special torsional resistance rotary mechanism of arm.

Background

The robot system consists of a vision sensor, a mechanical arm system and a main control computer, wherein the mechanical arm system comprises a modularized mechanical arm and a dexterous hand, the mechanical arm is a complex system with high precision, multiple inputs and multiple outputs, high nonlinearity and strong coupling, and the robot system is widely applied to the fields of industrial assembly, safety, explosion prevention and the like due to the unique operation flexibility.

At present, because the inside of the mechanical arm contains a plurality of rotating mechanisms, these rotating mechanisms do not have better torsion resistance after the rotation is completed, and when grabbing heavy objects, the problem of mechanical arm activity is easy to occur, so a special torsion resistant rotating mechanism for the mechanical arm is needed to be designed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a special torsion-resistant rotating mechanism for a mechanical arm.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a torsion-resistant rotating mechanism special for a mechanical arm comprises an installation platform and an installation column, wherein the top of the installation column is fixedly connected with a first installation frame, a first arm body is inserted into the first installation frame, the top of the first arm body is fixedly connected with a second installation frame, a second arm body is inserted into the second installation frame, the top of the first arm body is provided with a first sliding groove, the inner wall of the first sliding groove is connected with a first sliding seat in a sliding manner, the top of the second arm body is provided with a second sliding groove, the inner wall of the second sliding groove is connected with a second sliding seat in a sliding manner, one end of the top of the installation platform is fixedly connected with a side plate, one side of the side plate is provided with a transverse groove, the inner wall of the transverse groove is inserted with a ball body, one side of the ball body and the top of the second sliding seat are both fixedly connected with a second U-shaped frame, and a second movable rod is rotatably connected between the inner walls of the opposite sides of, and the bottom of the second movable rod and the top of the first sliding seat are fixedly connected with a first U-shaped frame, and a first movable rod is rotatably connected between the inner walls of the opposite sides of the first U-shaped frame through a pin shaft.

Preferably, one side of the second arm body is fixedly connected with a third mounting frame, a mounting seat is inserted into the third mounting frame, and one side of the mounting seat is fixedly connected with an electric manipulator.

Preferably, first threaded holes are formed in the two sides of the first mounting frame and one end of the first arm body, second threaded holes are formed in the two sides of the second mounting frame and one end of the second arm body, third threaded holes are formed in the two sides of the third mounting frame and one end of the mounting seat, and movable bolts are connected to the inner wall of each third threaded hole, the inner wall of each second threaded hole and the inner wall of each first threaded hole in a threaded mode.

Preferably, one side of the top of the mounting table is fixedly connected with a bearing sleeve, a connecting shaft is fixedly connected between the inner wall of the bearing sleeve and the bottom of the mounting column, the bottom of the mounting table is fixedly connected with a forward and reverse rotating motor, and the top of an output shaft of the forward and reverse rotating motor is fixedly connected with the top of the connecting shaft.

Preferably, the end face of the first sliding chute, the end face of the first sliding seat, the end face of the second sliding chute and the end face of the second sliding seat are all set to be T-shaped.

Preferably, the electric manipulator and the forward and reverse rotating motor are both connected with a switch through a wire, and the switch is connected with a power supply through a wire.

Preferably, one side bottom fixedly connected with electric putter of curb plate, and electric putter's piston rod one end fixedly connected with clamp, one side of clamp is identical with the outer wall of connecting axle.

The utility model has the advantages that:

1. through the mount table that sets up, positive reverse motor, the bearing housing, the connecting axle, the erection column, first mounting bracket, the first arm body, the second mounting bracket, the second arm body, the third mounting bracket, the mount pad, electric power machinery hand, first screw hole, the second screw hole, third screw hole and activity are tied, adjust three activity respectively and tie at first screw hole, the elasticity in second screw hole and third screw hole, adjust first arm body, turning to of the second arm body and mount pad, and fix it once more through the activity tie, thereby adjust the shape and the angle of whole arm, it drives connecting axle and erection column and rotates to recycle positive reverse motor, drive whole arm and turn to, form rotary mechanism.

2. Through the first arm body that sets up, first spout, first slide, the second arm body, the second spout, the second slide, first U type frame, first movable rod, second U type frame, the second movable rod, horizontal groove and spheroid, when first arm body and second arm body move about, make first slide remove in first spout, the second slide removes in the second spout, utilize first movable rod and second movable rod to support whole arm and handle, and utilize the inside produced frictional force of first spout and second spout to form ascending tensile force for whole arm, and the cooperation is rotatory the knob and is further carried out further antitorque nature control.

3. Through connecting axle, curb plate, electric putter and the clamp that sets up, after the rotation angle of whole arm is fixed, utilize electric putter to adjust the position of clamp for the clamp joint is convenient for carry out spacing processing to the support position of whole arm on the connecting axle, improves the antitorque nature effect.

Drawings

Fig. 1 is a schematic front cross-sectional structural view of a torsion-resistant rotation mechanism dedicated for a robot arm in embodiment 1;

fig. 2 is a schematic structural view of a first arm and a second arm of a torsion-resistant rotation mechanism dedicated for a robot arm according to embodiment 1;

fig. 3 is a schematic front cross-sectional structural view of a torsion-resistant rotation mechanism dedicated for a robot arm in embodiment 2.

In the figure: the device comprises an installation table 1, a side plate 2, a first installation frame 3, a ball 4, a first U-shaped frame 5, a first movable rod 6, a second movable rod 7, a second arm body 8, an electric manipulator 9, a second chute 10, a first arm body 11, a first chute 12, an installation column 13, a bearing sleeve 14, a forward and reverse rotation motor 15, a movable bolt 16, a clamp 17 and an electric push rod 18.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Example 1

Referring to fig. 1-2, a special torsion-resistant rotating mechanism for a mechanical arm comprises an installation platform 1 and an installation column 13, wherein a first installation frame 3 is welded at the top of the installation column 13, a first arm body 11 is inserted into the first installation frame 3, a second installation frame is welded at the top of the first arm body 11, a second arm body 8 is inserted into the second installation frame, a first sliding groove 12 is formed at the top of the first arm body 11, a first sliding seat is connected to the inner wall of the first sliding groove 12 in a sliding manner, a second sliding groove 10 is formed at the top of the second arm body 8, a second sliding seat is connected to the inner wall of the second sliding groove 10 in a sliding manner, a side plate 2 is welded at one end of the top of the installation platform 1, a transverse groove is formed at one side of the side plate 2, a ball 4 is inserted into the inner wall of the transverse groove, second U-shaped frames are welded at one side of the ball 4 and the top of the second sliding seat, a second movable rod 7 is rotatably connected between the inner, and the bottom of the second movable rod 7 and the top of the first sliding seat are both welded with a first U-shaped frame 5, and a first movable rod 6 is rotatably connected between the inner walls of the opposite sides of the first U-shaped frame 5 through a pin shaft.

Wherein, the welding of one side of second arm body 8 has the third mounting bracket, and pegs graft in the inside of third mounting bracket has the mount pad, and there is electric power manipulator 9 one side of mount pad through bolted connection.

First threaded holes are formed in the two sides of the first mounting frame 3 and one end of the first arm body 11, second threaded holes are formed in the two sides of the second mounting frame and one end of the second arm body 8, third threaded holes are formed in the two sides of the third mounting frame and one end of the mounting seat, and movable bolts 16 are connected to the inner walls of the third threaded holes, the inner walls of the second threaded holes and the inner walls of the first threaded holes in a threaded mode.

Wherein, the welding of the top one side of mount table 1 has bearing housing 14, and has the connecting axle through bolted connection between the inner wall of bearing housing 14 and the bottom of erection column 13, and there is positive and negative motor 15 bottom of mount table 1 through bolted connection, passes through bolted connection between the output shaft top of positive and negative motor 15 and the top of connecting axle.

The end surfaces of the first sliding groove 12, the first sliding seat, the second sliding groove 10 and the second sliding seat are all arranged in a T shape.

Wherein, the electric manipulator 9 and the positive and negative rotation motor 15 are both connected with a switch through a wire, and the switch is connected with a power supply through a wire.

The working principle is as follows: when in use, a user respectively adjusts the tightness of the three movable bolts 16 in the first threaded hole, the second threaded hole and the third threaded hole, adjusts the steering of the first arm body 11, the second arm body 8 and the mounting seat, and fixes the movable bolts 16 again, thereby adjusting the shape and the angle of the whole mechanical arm, driving the connecting shaft and the mounting column 13 to rotate by utilizing the forward and reverse rotating motor 15 to drive the whole mechanical arm to rotate to form a rotating mechanism, when the first arm body 11 and the second arm body 8 move, the first sliding seat moves in the first sliding groove 12, the second sliding seat moves in the second sliding groove 10, the whole mechanical arm is supported by the first movable rod 6 and the second movable rod 7, and a tensile force is formed upwards for the whole mechanical arm by using the friction force generated inside the first sliding chute 12 and the second sliding chute 10, and the torsional resistance is further controlled by matching with the rotating button.

Example 2

Referring to fig. 3, in the present embodiment, compared with embodiment 1, the bottom of one side of the side plate 2 is connected to an electric push rod 18 through a bolt, one end of a piston rod of the electric push rod 18 is connected to a clamp 17 through a bolt, and one side of the clamp 17 is matched with the outer wall of the connecting shaft.

The working principle is as follows: after the rotation angle of whole arm is fixed, utilize electric putter 18 to adjust the position of clamp 17 for clamp 17 joint is on the connecting axle, is convenient for carry out spacing processing to the support position of whole arm, improves the antitorque nature effect.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The special torsion-resistant rotating mechanism for the mechanical arm comprises a mounting table (1) and a mounting column (13), and is characterized in that the top of the mounting column (13) is fixedly connected with a first mounting frame (3), a first arm body (11) is inserted into the first mounting frame (3), the top of the first arm body (11) is fixedly connected with a second mounting frame, a second arm body (8) is inserted into the second mounting frame, a first sliding groove (12) is formed in the top of the first arm body (11), a first sliding seat is connected to the inner wall of the first sliding groove (12) in a sliding manner, a second sliding groove (10) is formed in the top of the second arm body (8), a second sliding seat is connected to the inner wall of the second sliding groove (10) in a sliding manner, a side plate (2) is fixedly connected to one end of the top of the mounting table (1), a transverse groove is formed in one side of the side plate (2), and a ball body (4) is inserted into the inner wall of the transverse groove, the equal fixedly connected with second U type frame in one side of spheroid (4) and the top of second slide, rotate through the round pin axle between the relative one side inner wall of second U type frame and be connected with second movable rod (7), and the bottom of second movable rod (7) and the equal fixedly connected with first U type frame (5) in top of first slide, rotate through the round pin axle between the relative one side inner wall of first U type frame (5) and be connected with first movable rod (6).

2. The special torsion-resistant rotating mechanism for the mechanical arm according to claim 1, wherein a third mounting frame is fixedly connected to one side of the second arm body (8), a mounting seat is inserted into the third mounting frame, and an electric manipulator (9) is fixedly connected to one side of the mounting seat.

3. The special torsion-resistant rotating mechanism for the mechanical arm according to claim 2, wherein first threaded holes are formed in both sides of the first mounting frame (3) and one end of the first arm body (11), second threaded holes are formed in both sides of the second mounting frame and one end of the second arm body (8), third threaded holes are formed in both sides of the third mounting frame and one end of the mounting seat, and movable bolts (16) are connected to inner walls of the third threaded holes, the second threaded holes and the first threaded holes in a threaded manner.

4. The special torsion-resistant rotating mechanism for the mechanical arm according to claim 3, wherein a bearing sleeve (14) is fixedly connected to one side of the top of the mounting table (1), a connecting shaft is fixedly connected between the inner wall of the bearing sleeve (14) and the bottom of the mounting column (13), a forward and reverse rotating motor (15) is fixedly connected to the bottom of the mounting table (1), and the top of an output shaft of the forward and reverse rotating motor (15) is fixedly connected to the top of the connecting shaft.

5. The special torsion-resistant rotating mechanism for the mechanical arm according to claim 4, wherein the end surface of the first sliding chute (12), the end surface of the first sliding seat, the end surface of the second sliding chute (10) and the end surface of the second sliding seat are all T-shaped.

6. The special torsion-resistant rotating mechanism for the mechanical arm according to claim 5, wherein the electric mechanical arm (9) and the forward and reverse rotating motor (15) are connected with a switch through wires, and the switch is connected with a power supply through a wire.

7. The torsion-resistant rotating mechanism special for the mechanical arm according to any one of claims 4 to 6, wherein an electric push rod (18) is fixedly connected to the bottom of one side of the side plate (2), a clamp (17) is fixedly connected to one end of a piston rod of the electric push rod (18), and one side of the clamp (17) is matched with the outer wall of the connecting shaft.