CN213352441U

CN213352441U - Mechanical arm

Info

Publication number: CN213352441U
Application number: CN202021941246.6U
Authority: CN
Inventors: 桑越
Original assignee: Suzhou Maijiate Automation Equipment Co ltd
Current assignee: Kunshan Junqi Precision Electronic Technology Co ltd
Priority date: 2020-09-08
Filing date: 2020-09-08
Publication date: 2021-06-04
Anticipated expiration: 2030-09-08

Abstract

The utility model provides a mechanical arm, including the base station, the lower extreme left part and the lower extreme right part of base station all are provided with a rolling device, the spout has been seted up at the lower extreme middle part of base station, the cell wall of spout is provided with the slip counter weight device, a spacing hole has all been seted up to the lower extreme left part middle part and the lower extreme right part middle part of base station, the upper end fixed mounting of base station has the support frame, the upper end middle part of support frame is provided with flexible stop device, the equal fixed mounting in both sides has an arc, two around the upper end middle part of support frame the common swing joint in opposite face upper portion of arc has mechanical arm. The utility model discloses in, drive the threaded rod through positive and negative motor and rotate to make the slider drive the balancing weight and follow the synchronous motion of turning right of slider, then increase the weight of base station right part through the balancing weight, ensure the equilibrium of base station, prevent that robotic arm from taking place to empty, play the guard action to robotic arm.

Description

Mechanical arm

Technical Field

The utility model relates to a robotic arm technical field especially relates to a robotic arm.

Background

The mechanical arm is an automatic mechanical device which is widely applied in the technical field of robots, and can be seen in the fields of industrial manufacturing, medical treatment, entertainment service, military, semiconductor manufacturing, space exploration and the like, and although the shapes of the mechanical arm are different, the mechanical arm has a common characteristic that the mechanical arm can receive an instruction and can be accurately positioned to a certain point on a three-dimensional (or two-dimensional) space to perform operation;

but current robotic arm rolls when using easily to reduced stability, improved the potential safety hazard, because the weight of goods is overweight when robotic arm snatchs the goods simultaneously, lead to the robotic arm equilibrium to break, thereby cause robotic arm to take place to empty, cause the damage of equipment.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, reach and improve stability, guarantee equipment equilibrium.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a mechanical arm, includes the base station, the lower extreme left part and the lower extreme right part of base station all are provided with a rolling device, the spout has been seted up at the lower extreme middle part of base station, the cell wall of spout is provided with the slip counter weight device, a spacing hole has all been seted up to the lower extreme left part of base station and lower extreme right part middle part, the upper end fixed mounting of base station has the support frame, the upper end middle part of support frame is provided with flexible stop device, the equal fixed mounting in both sides has an arc, two around the upper end middle part of support frame the common swing joint in opposite face upper portion of arc has mechanical arm.

Preferably, the rolling device includes the fixed plate, the fixed plate is provided with two sets ofly, and the opposite face lower part of two sets of fixed plates alternates jointly and is connected with the pivot, the equal fixed mounting in surface front portion and the surface rear portion of pivot has a gyro wheel, the surface middle part fixed mounting of pivot has the turning block, the through-hole has been seted up at the upper end middle part of turning block, two the fixed plate is both sides and lower extreme right part front and back both sides are with rolling device and base station fixed connection around the lower extreme left part of base station respectively.

Preferably, the sliding counterweight device comprises a threaded rod, the threaded rod penetrates through the right side groove wall of the sliding groove and is fixedly provided with a positive and negative motor, the middle part of the outer surface of the threaded rod is connected with a sliding block in a threaded mode, the lower end of the sliding block is fixedly provided with a counterweight block, and the threaded rod is connected with the sliding counterweight device and the base station in a penetrating mode through the groove wall of the sliding groove in a penetrating mode.

Preferably, the telescopic limiting device comprises a telescopic power machine and a telescopic rod, the telescopic rod is movably connected to the output end of the telescopic power machine, a transverse plate is fixedly mounted at the lower end of the telescopic rod, a limiting rod is fixedly mounted on both the left portion of the lower end and the right portion of the lower end of the transverse plate, and the telescopic power machine is fixedly connected to the middle portion of the upper end of the support frame to fixedly connect the telescopic limiting device and the support frame.

Preferably, the telescopic power machine is electrically connected with the telescopic rod, and the lower part of the limiting rod is positioned in the limiting hole.

Preferably, the rotating block and the base station keep a parallel position relationship, and the through hole and the limiting hole are positioned on the same vertical line.

Preferably, the length of the transverse plate is the same as the width of the inner cavity of the support frame.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. the utility model discloses in, drive the threaded rod through positive and negative motor and rotate to drive the slider and turn right the motion, and then drive the balancing weight and follow the synchronous motion of turning right of slider, then increase the weight of base station right part through the balancing weight, ensure the equilibrium of base station, prevent that robotic arm from taking place to empty, play the guard action to robotic arm.

2. The utility model discloses in, drive diaphragm downstream through the telescopic link, and then drive two sets of gag lever posts and alternate in the through-hole when the pore wall of spacing hole downstream, then play the restriction to the rotating block, prevent that the pivot from taking place to rotate, and then prevent that the gyro wheel from rolling by oneself, improved the stability of equipment, reduce the potential safety hazard.

Drawings

Fig. 1 is a schematic view of the overall structure of a robot arm according to the present invention;

fig. 2 is a schematic structural view of a rolling device of a robot arm according to the present invention;

fig. 3 is a schematic structural view of a sliding counterweight device of a robot arm according to the present invention;

fig. 4 is the utility model provides a telescopic limiting device of a mechanical arm.

Illustration of the drawings:

1. a base station; 2. a rolling device; 3. a chute; 4. a sliding counterweight device; 5. a limiting hole; 6. a support frame; 7. a telescopic limiting device; 8. an arc-shaped plate; 9. a robot arm; 21. a fixing plate; 22. a rotating shaft; 23. a roller; 24. rotating the block; 25. a through hole; 41. a threaded rod; 42. a positive and negative motor; 43. a slider; 44. a balancing weight; 71. a telescopic power machine; 72. a telescopic rod; 73. a transverse plate; 74. a limiting rod.

Detailed Description

In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the present invention is not limited to the limitations of the specific embodiments of the present disclosure.

Embodiment 1, as shown in fig. 1-4, the utility model provides a mechanical arm, including base station 1, base station 1's lower extreme left part and lower extreme right part all are provided with a rolling device 2, spout 3 has been seted up at base station 1's lower extreme middle part, spout 3's cell wall is provided with sliding weight device 4, base station 1's lower extreme left part middle part and lower extreme right part middle part all have seted up a spacing hole 5, base station 1's upper end fixed mounting has support frame 6, support frame 6's upper end middle part is provided with flexible stop device 7, the equal fixed mounting in both sides has an arc 8 around support frame 6's the upper end middle part, the common swing joint in opposite face upper portion of two arcs 8 has mechanical arm 9.

The rolling device 2, the sliding counterweight device 4 and the telescopic limiting device 7 are specifically arranged and used.

As shown in fig. 1 and 2, the rolling device 2 includes a fixing plate 21, the fixing plate 21 is provided with two sets, and the opposite face lower part of two sets of fixing plates 21 jointly interpenetrates and is connected with a rotating shaft 22, the outer surface front part and the outer surface rear part of the rotating shaft 22 are both fixedly provided with a roller 23, the outer surface middle part of the rotating shaft 22 is fixedly provided with a rotating block 24, the upper end middle part of the rotating block 24 is provided with a through hole 25, the two fixing plates 21 are respectively fixedly connected with the rolling device 2 and the base station 1 on the front and rear sides of the lower end left part and the front and rear sides of the lower end right part of the base station 1, the rotating block 24 and the base.

The effect that its whole rolling device 2 reaches does, when using, through setting up the removal transport that gyro wheel 23 made things convenient for robotic arm 9, gyro wheel 23 drives turning block 24 and rotates and keep parallel position relation with base station 1, through-hole 25 and spacing hole 5 department are on same vertical line this moment, alternate in through-hole 25 when down moving through flexible stop device 7, thereby play limiting displacement to turning block 24, prevent that gyro wheel 23 from rolling by oneself, mechanical arm 9's stability has been improved.

As shown in fig. 1 and 3, the sliding counterweight device 4 includes a threaded rod 41, the threaded rod 41 penetrates through a right groove wall of the sliding groove 3 and is fixedly provided with a positive and negative motor 42, a sliding block 43 is connected to a middle part of an outer surface of the threaded rod 41 through a thread, a counterweight block 44 is fixedly provided at a lower end of the sliding block 43, and the threaded rod 41 is inserted and connected to the groove wall of the sliding groove 3 to movably connect the sliding counterweight device 4 and the base station 1 together.

The effect that its whole slip counter weight device 4 reached does, when using, when manipulator 9 transports goods, drives threaded rod 41 through positive and negative motor 42 and rotates to drive slider 43 and turn right the motion along threaded rod 41, and then drive balancing weight 44 and follow slider 43 and turn right the motion in step, then increase the weight of 1 right part of base station through balancing weight 44, ensure the equilibrium of base station 1, prevent that manipulator 9 from taking place to empty, play the guard action to manipulator 9.

As shown in fig. 1 and 4, the telescopic limiting device 7 includes a telescopic power machine 71 and a telescopic rod 72, the telescopic rod 72 is movably connected to an output end of the telescopic power machine 71, a transverse plate 73 is fixedly installed at a lower end of the telescopic rod 72, the length of the transverse plate 73 is the same as the width of an inner cavity of the support frame 6, a limiting rod 74 is fixedly installed at each of a left portion of the lower end and a right portion of the lower end of the transverse plate 73, the telescopic power machine 71 and the telescopic rod 72 are electrically connected, a lower portion of the limiting rod 74 is located in the limiting hole 5, and the telescopic power machine 71 is fixedly connected to a middle portion of the upper end of the.

The effect that its whole flexible stop device 7 reached is, when using, it is flexible to drive telescopic link 72 through flexible engine 71 to make telescopic link 72 drive diaphragm 73 downstream when extending, and then drive two sets of gag lever post 74 and alternate in through-hole 25 along the pore wall downstream of spacing hole 5, then play the limiting displacement to turning block 24, prevent that pivot 22 from taking place to rotate, and then prevent that gyro wheel 23 from rolling by oneself, improved the stability of equipment, reduce the potential safety hazard.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiments into equivalent variations to apply to other fields, but all those persons do not depart from the technical contents of the present invention, and any simple modification, equivalent variation and modification made to the above embodiments according to the technical matters of the present invention still belong to the protection scope of the technical solution of the present invention.

Claims

1. A mechanical arm comprises a base (1), and is characterized in that: the lower extreme left part and the lower extreme right part of base station (1) all are provided with one rolling device (2), spout (3) have been seted up at the lower extreme middle part of base station (1), the cell wall of spout (3) is provided with slip counter weight device (4), a spacing hole (5) have all been seted up to the lower extreme left part of base station (1) and the lower extreme right part middle part, the upper end fixed mounting of base station (1) has support frame (6), the upper end middle part of support frame (6) is provided with flexible stop device (7), the equal fixed mounting in both sides has an arc (8), two around the upper end middle part of support frame (6) the common swing joint in opposite face upper portion of arc (8) has robotic arm (9).

2. A robot arm as claimed in claim 1, wherein: rolling device (2) are including fixed plate (21), fixed plate (21) are provided with two sets ofly, and the opposite face lower part of two sets of fixed plates (21) alternates jointly and be connected with pivot (22), the surface front portion and the equal fixed mounting of surface rear portion of pivot (22) have gyro wheel (23), the surface middle part fixed mounting of pivot (22) has turning block (24), through-hole (25) have been seted up at the upper end middle part of turning block (24), and are two sets of fixed plate (21) is fixed connection both sides around the lower extreme left part of base station (1) and lower extreme right part respectively and both sides are with rolling device (2) and base station (1) fixed connection.

3. A robot arm as claimed in claim 1, wherein: sliding weight device (4) include threaded rod (41), threaded rod (41) run through the right side cell wall and the fixed mounting of spout (3) have positive and negative motor (42), the surface middle part threaded connection of threaded rod (41) has slider (43), the lower extreme fixed mounting of slider (43) has balancing weight (44), threaded rod (41) interlude is connected the cell wall of spout (3) and is in the same place sliding weight device (4) and base station (1) swing joint.

4. A robot arm as claimed in claim 1, wherein: the telescopic limiting device (7) comprises a telescopic power machine (71) and a telescopic rod (72), the telescopic rod (72) is movably connected to the output end of the telescopic power machine (71), a transverse plate (73) is fixedly installed at the lower end of the telescopic rod (72), a limiting rod (74) is fixedly installed on the left portion of the lower end of the transverse plate (73) and the right portion of the lower end of the transverse plate (73), and the telescopic power machine (71) is fixedly connected to the middle portion of the upper end of the support frame (6) to fixedly connect the telescopic limiting device (7) with the support frame (6).

5. A robot arm as claimed in claim 4, wherein: the telescopic power machine (71) is electrically connected with the telescopic rod (72), and the lower part of the limiting rod (74) is positioned in the limiting hole (5).

6. A robot arm as claimed in claim 2, wherein: the rotating block (24) and the base platform (1) keep a parallel position relation, and the through hole (25) and the limiting hole (5) are positioned on the same vertical line.

7. A robot arm as claimed in claim 4, wherein: the length of the transverse plate (73) is the same as the width of the inner cavity of the support frame (6).