CN214418813U

CN214418813U - Telescopic rotating structure for mechanical arm

Info

Publication number: CN214418813U
Application number: CN202120222081.5U
Authority: CN
Inventors: 杨传新
Original assignee: Xuzhou Dashi Information Technology Co ltd
Current assignee: Xuzhou Dashi Information Technology Co ltd
Priority date: 2021-01-27
Filing date: 2021-01-27
Publication date: 2021-10-19
Anticipated expiration: 2031-01-27

Abstract

The utility model discloses a telescopic rotating-structure for arm, which comprises a base, the last fixed surface on chassis is connected with the fixed column, the last fixed surface of fixed column is connected with the semi-ring rack, one side swing joint of fixed column has the sector plate, the last fixed surface of sector plate is connected with the motor, and the one end fixedly connected with gear of motor output shaft, and the gear meshes with the semi-ring rack mutually, the last fixed surface on chassis is connected with the main arm, and first mounting hole has been seted up to one side of main arm, and swing joint has the second transfer line in the first mounting hole, and the one end fixedly connected with second half sleeve of second transfer line. The utility model discloses not only can make the second transfer line drive first transfer line and rotate, avoid certain limitation, increase the performance of structure, can add lubricating oil through the glib talker moreover, can maintain the mechanism, prevent that the mechanism is ageing, can also make the auxiliary arm sway, improved the flexibility of arm.

Description

Telescopic rotating structure for mechanical arm

Technical Field

The utility model relates to a mechanical arm technical field especially relates to a telescopic rotating-structure for arm.

Background

The mechanical arm is an automatic mechanical device in the technical field of robots, can see the figure of the robot in the fields of industrial manufacturing, medical treatment, entertainment service, military, space exploration and the like, and has the common characteristic of receiving an instruction and accurately positioning to a certain point on a three-dimensional space for operation although the shapes of the mechanical arm are different.

The mechanical arm is widely applied in life due to working convenience and accuracy, the joint of the main arm and the auxiliary arm of the mechanical arm is the most important structure for achieving flexibility, however, the mechanical arm in the market at present cannot rotate a transmission shaft while swinging during working, and therefore certain limitation is caused during use, and therefore, the telescopic rotating structure for the mechanical arm is very necessary.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a telescopic rotating structure for a mechanical arm.

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

a telescopic rotating structure for a mechanical arm comprises a chassis, wherein a fixed column is fixedly connected to the upper surface of the chassis, a semi-ring rack is fixedly connected to the upper surface of the fixed column, a sector plate is movably connected to one side of the fixed column, a motor is fixedly connected to the upper surface of the sector plate, a gear is fixedly connected to one end of an output shaft of the motor and meshed with the semi-ring rack, a main arm is fixedly connected to the upper surface of the chassis, a first mounting hole is formed in one side of the main arm, a second transmission rod is movably connected in the first mounting hole, a second half sleeve is fixedly connected to one end of the second transmission rod, a first sliding column is movably connected to one side of the second half sleeve, an auxiliary arm is fixedly connected to the upper surface of the sector plate, a second mounting hole is formed in one side of the auxiliary arm, two first transmission rods are movably connected in the second mounting hole, and an electric telescopic rod is fixedly connected between the first transmission rods, one end of one of the first transmission rods is fixedly connected with a first half sleeve, one side of the first half sleeve is movably connected with a second sliding column, one side of the first sliding column and one side of the second sliding column are both provided with clamping grooves, and connecting blocks are movably connected between the clamping grooves.

Furthermore, the chassis and the upper surface of the sector plate are fixedly connected with a fixed seat, the top of the fixed seat is fixedly connected with a pressing block, and the first transmission rod and the second transmission rod are respectively located between the fixed seat and the pressing block.

Furthermore, an organ protective cover is arranged between the main arm and the auxiliary arm.

Furthermore, one side of the auxiliary arm is provided with an oil hole, and a grease nipple is arranged in the oil hole.

Furthermore, one side of the chassis is fixedly connected with two gear posts, and the gear posts are positioned on two sides of the semi-ring rack.

Furthermore, the sector plate and the upper surface of the chassis are fixedly connected with fixing ribs, and one side of each fixing rib is fixed with the main arm and the auxiliary arm respectively.

Furthermore, one of the first transmission rods and one side of the second transmission rod are fixedly connected with two limiting rings.

The utility model has the advantages that:

1. through the setting of installation connecting block between first transfer line and second transfer line, when the second transfer line rotated, under the effect of connecting block, can make first transfer line rotate simultaneously, avoided certain limitation, increased the performance of structure.

2. Through the setting of installation glib on the fly, when the staff adds the butter to glib, can play lubricated effect to the semi-ring rack to maintain the mechanism, prevent that the mechanism from ageing.

3. Through the cooperation use of gear and rack, when the starter motor, the one end of motor output shaft can drive gear revolve to make the gear remove on the semi-ring rack, can drive the fly jib and sway, improved the flexibility of arm.

Drawings

Fig. 1 is a schematic perspective view of a telescopic rotating structure for a robot arm according to the present invention;

fig. 2 is a schematic cross-sectional structural view of a telescopic rotating structure for a robot arm according to the present invention;

fig. 3 is an exploded schematic view of the telescopic rotating structure for a robot arm according to the present invention.

In the figure: 1. an auxiliary arm; 2. a grease nipple; 3. an organ shield; 4. a main arm; 5. a chassis; 6. a gear post; 7. a semi-ring rack; 8. an electric telescopic rod; 9. a first drive lever; 10. a first half sleeve; 11. a first sliding column; 12. a second transmission rod; 13. briquetting; 14. fixing the ribs; 15. a fixed seat; 16. a motor; 17. a limiting ring; 18. a gear; 19. a sector plate; 20. fixing a column; 21. and (4) connecting the blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. It should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and their meaning in the context of this patent may be understood by those skilled in the art as appropriate.

Referring to fig. 1-3, a telescopic rotating structure for a mechanical arm comprises a chassis 5, a fixed column 20 is fixed on the upper surface of the chassis 5 through a bolt, a semi-ring rack 7 is fixed on the upper surface of the fixed column 20 through a bolt, a sector plate 19 is rotatably connected on one side of the fixed column 20, a motor 16 is fixed on the upper surface of the sector plate 19 through a bolt, a gear 18 is connected to one end of an output shaft of the motor 16 in a key manner, the gear 18 is meshed with the semi-ring rack 7, when the motor 16 is started, the gear 18 can drive the gear 18 to rotate, the sector plate 19 can be driven by the gear 18 to move on the semi-ring rack 7, a main arm 4 is fixed on the upper surface of the chassis 5 through a bolt, a first mounting hole is formed on one side of the main arm 4, a second transmission rod 12 is rotatably connected in the first mounting hole, a second half sleeve is fixed on one end of the second transmission rod 12 through a bolt, a first sliding column 11 is slidably connected on one side of the second half sleeve, the upper surface of the sector plate 19 is fixed with an auxiliary arm 1 through a bolt, when the sector plate 19 moves, the auxiliary arm 1 can be driven to swing, the flexibility of the mechanical arm is improved, one side of the auxiliary arm 1 is provided with a second mounting port, two first transmission rods 9 are rotatably connected in the second mounting port, an electric telescopic rod 8 is fixed between the first transmission rods 9 through a bolt, the electric telescopic rod 8 can drive the first transmission rods 9 to stretch, one end of one of the first transmission rods 9 is fixed with a first half sleeve 10 through a bolt, one side of the first half sleeve 10 is slidably connected with a second sliding column, one side of each of the first sliding column 11 and the second sliding column is provided with a clamping groove, a connecting block 21 is clamped between the clamping grooves, when the second transmission rod 12 rotates, under the effect of connecting block 21, can make first drive lever 9 rotate simultaneously, avoid certain limitation, increase the performance of structure.

In the utility model, it should be noted that, the chassis 5 and the upper surface of the sector plate 19 are both fixed with a fixed seat 15 through bolts, the top of the fixed seat 15 is fixed with a pressing block 13 through bolts, and the first transmission rod 9 and the second transmission rod 12 are respectively positioned between the fixed seat 15 and the pressing block 13, the fixed seat 15 and the pressing block 13 can fix the first transmission rod 9 and the second transmission rod 12 to prevent the connection between the first transmission rod 9 and the second transmission rod 12 from loosing, an organ protection cover 3 is arranged between the main arm 4 and the auxiliary arm 1, one side of the auxiliary arm 1 is provided with an oil hole, a grease nipple 2 is arranged in the oil hole, when a worker adds lubricating oil into the grease nipple 2, the lubricating oil can lubricate the semi-ring rack 7, thereby maintaining the mechanism and preventing the mechanism from aging, one side of the chassis 5 is fixed with two gear posts 6 through bolts, and the gear posts 6 are positioned at two sides of the semi-ring rack 7, the sector plate 19 and the upper surface of the chassis 5 are both fixed with a fixing rib 14 through bolts, one side of the fixing rib 14 is respectively fixed with the main arm 4 and the auxiliary arm 1, the fixing rib 14 can enable the connection of the main arm 4 and the auxiliary arm 1 to be firmer, the structural stability is improved, and one of the first transmission rods 9 and one side of the second transmission rod 12 are both fixed with two limiting rings 17 through bolts.

The working principle is as follows: when the auxiliary arm is used, firstly, the second transmission rod 12 rotates the second half sleeve to rotate, then the second half sleeve drives the first sliding column 11 to rotate, then under the action of the connecting block 21, the connecting block 21 drives the second sliding column to rotate, then the second sliding column drives the first half sleeve to rotate, so that the first transmission rod 9 and the electric telescopic rod 8 rotate together, when the motor 16 is started, one end of an output shaft of the motor 16 drives the gear 18 to rotate, then the gear 18 moves on the semi-ring rack 7, and then the sector plate 19 is driven to move, so that the auxiliary arm 1 swings, and when the auxiliary arm 1 swings, the first sliding column 11 slides on the second semi-ring cylinder, and the second sliding column slides on the first semi-ring cylinder 10, so that the first sliding column 11 and the second sliding column are kept in a state of being tightly attached to the connecting block 21.

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. A telescopic rotating structure for a mechanical arm comprises a chassis (5) and is characterized in that a fixed column (20) is fixedly connected to the upper surface of the chassis (5), a semi-ring rack (7) is fixedly connected to the upper surface of the fixed column (20), a sector plate (19) is movably connected to one side of the fixed column (20), a motor (16) is fixedly connected to the upper surface of the sector plate (19), a gear (18) is fixedly connected to one end of an output shaft of the motor (16), the gear (18) is meshed with the semi-ring rack (7), a main arm (4) is fixedly connected to the upper surface of the chassis (5), a first mounting hole is formed in one side of the main arm (4), a second transmission rod (12) is movably connected into the first mounting hole, one end of the second transmission rod (12) is fixedly connected with a second semi-sleeve, a first sliding column (11) is movably connected to one side of the second semi-sleeve, the last fixed surface of sector plate (19) is connected with fly jib (1), and the second installing port has been seted up to one side of fly jib (1), and swing joint has two first transmission pole (9) in the second installing port, fixedly connected with electric telescopic handle (8) between first transmission pole (9), first half sleeve (10) of one of them one end fixedly connected with of first transmission pole (9), one side swing joint of first half sleeve (10) have the second slip post, the draw-in groove has all been seted up with one side of second slip post in first slip post (11), swing joint has connecting block (21) between the draw-in groove.

2. A telescopic rotary structure for a mechanical arm according to claim 1, wherein the chassis (5) and the upper surface of the sector plate (19) are both fixedly connected with a fixed seat (15), the top of the fixed seat (15) is fixedly connected with a pressing block (13), and the first transmission rod (9) and the second transmission rod (12) are respectively located between the fixed seat (15) and the pressing block (13).

3. A telescopic rotary structure for a mechanical arm according to claim 1, wherein an organ shield (3) is provided between the main arm (4) and the auxiliary arm (1).

4. A telescopic rotary structure for a mechanical arm according to claim 1, wherein one side of the auxiliary arm (1) is provided with an oil hole, and a grease nipple (2) is arranged in the oil hole.

5. The telescopic rotating structure for the mechanical arm is characterized in that two gear posts (6) are fixedly connected to one side of the chassis (5), and the gear posts (6) are positioned on two sides of the semi-ring rack (7).

6. A telescopic rotary structure for a mechanical arm according to claim 1, wherein the sector plate (19) and the upper surface of the chassis (5) are fixedly connected with a fixing rib (14), and one side of the fixing rib (14) is respectively fixed with the main arm (4) and the auxiliary arm (1).

7. A telescopic rotary structure for a mechanical arm according to claim 1, wherein two limit rings (17) are fixedly connected to one of the first transmission rod (9) and one side of the second transmission rod (12).