CN213592797U

CN213592797U - Mechanical arm construction work platform

Info

Publication number: CN213592797U
Application number: CN202022573030.5U
Authority: CN
Inventors: 邓煜
Original assignee: Shenzhen Dafang Intelligent Technology Co ltd
Current assignee: Shenzhen Dafang Intelligent Technology Co ltd
Priority date: 2020-11-09
Filing date: 2020-11-09
Publication date: 2021-07-02
Anticipated expiration: 2030-11-09

Abstract

The utility model discloses a mechanical arm construction operation platform, which comprises a support frame, a mechanical arm operation platform, a linear driving mechanism, a mechanical arm assembly, a rotary driving mechanism and a positioning mechanism; the mechanical arm assembly comprises a mechanical arm rotationally connected with the rotary driving mechanism, an arc-shaped rack matched with the positioning mechanism and a swinging driving mechanism used for driving the mechanical arm to swing up and down along the arc-shaped rack. The utility model discloses not only can realize the multiaxis motion of arm, but also can effectively promote the lifting force of arm through the meshing of swaing actuating mechanism and arc rack to stability when keeping the arm to continuously lift.

Description

Mechanical arm construction work platform

Technical Field

The utility model relates to the technical field of mechanical equipment, especially, relate to a manipulator construction work platform.

Background

The lifting capacity of a robot arm of the robot is generally determined by a configured motor and a speed reducer, and the mechanical arm in the prior art is limited by the aspects of size, self weight, manufacturing materials and the like, so that the production cost of the whole robot is increased when the moment is lifted; moreover, when the robot arm lifts heavy objects for continuous construction, if the stability of the robot arm is to be maintained, the motor must be kept in a power-on state to continuously provide stable lifting force, which may cause overheating and damage of the motor over time, and further greatly reduce the service life of the motor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a manipulator construction work platform can be in finite space, when keeping the motion of arm multiaxis, effectively promotes the support power of arm and the stability when lasting the support.

To achieve the purpose, the utility model adopts the following technical proposal:

a mechanical arm construction operation platform comprises a support frame, a mechanical arm operation platform connected with the support frame in a sliding mode, a linear driving mechanism driving the mechanical arm operation platform to slide back and forth along the length direction of the support frame, a mechanical arm assembly rotatably erected on the mechanical arm operation platform, a rotary driving mechanism driving the mechanical arm assembly to rotate around the height direction of the support frame, and a positioning mechanism used for fastening the mechanical arm assembly and the mechanical arm operation platform; the mechanical arm assembly comprises a mechanical arm rotationally connected with the rotary driving mechanism, an arc-shaped rack matched with the positioning mechanism and a swinging driving mechanism used for driving the mechanical arm to swing up and down along the arc-shaped rack.

The positioning mechanism comprises a pressing plate horizontally fastened at the lower end of the arc-shaped rack and electromagnets arranged at two ends of the pressing plate and respectively adsorbed with the mechanical arm operation table.

The rotary driving mechanism comprises a rotary speed reducer erected on the mechanical arm operation platform, a rotary motor connected with a power input end of the rotary speed reducer, and a bearing seat connected with a power output end of the rotary speed reducer, and the bearing seat is rotatably connected with the mechanical arm.

The swing driving mechanism comprises a swing speed reducer erected at one end of the mechanical arm, a swing motor connected with a power input end of the swing speed reducer and a gear arranged at a power output end of the swing speed reducer, and the gear is meshed with the arc-shaped rack.

The support frame comprises a fixed seat, a frame body fastened with the fixed seat and a slide rail arranged along the length direction of the frame body.

The mechanical arm operation platform is connected with the sliding rail in a sliding mode through a sliding block.

The linear driving mechanism comprises a lead screw erected along the length direction of the frame body, a sliding seat in threaded connection with the lead screw, and a driving motor arranged at one end of the fixed seat and close to the lead screw, and the driving motor is connected with the lead screw through a coupler.

The linear driving mechanism is located below the mechanical arm operation platform, and the sliding seat is fastened with the lower bottom surface of the mechanical arm operation platform.

The mechanical arm comprises a rotating shaft, two arm rods and a connecting seat, wherein the rotating shaft is rotatably connected with the bearing seat, the two arm rods are arranged at two ends of the rotating shaft in a parallel spaced manner, and the connecting seat is arranged at the same end of the two arm rods.

The two sides of the swing speed reducer are respectively meshed with the arc-shaped racks, the arc-shaped racks are vertically arranged, and tooth grooves are uniformly distributed on the outer arc surfaces of the arc-shaped racks.

The utility model has the advantages that: the utility model provides a mechanical arm construction operation platform, which comprises a support frame, a mechanical arm operation platform connected with the support frame in a sliding way, a linear driving mechanism for driving the mechanical arm operation platform to slide back and forth along the length direction of the support frame, a mechanical arm component rotationally erected on the mechanical arm operation platform, a rotary driving mechanism for driving the mechanical arm component to rotate around the height direction of the support frame, and a positioning mechanism for fastening the mechanical arm component and the mechanical arm operation platform; the mechanical arm assembly comprises a mechanical arm rotationally connected with the rotary driving mechanism, an arc-shaped rack matched with the positioning mechanism and a swinging driving mechanism used for driving the mechanical arm to swing up and down along the arc-shaped rack. The utility model discloses not only can realize the multiaxis motion of arm, but also can effectively promote the lifting force of arm through the meshing of swaing actuating mechanism and arc rack to keep the arm stability when lasting lifting, can also effectively reduce the motor consumption simultaneously.

Drawings

Fig. 1 is the utility model relates to a manipulator construction work platform's first axis mapping.

Fig. 2 is the utility model relates to a second shaft mapping of arm construction work platform.

Detailed Description

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

With reference to fig. 1 to 2, the present embodiment provides a robot arm construction work platform, which includes a support frame 1, a robot arm work platform 2 slidably connected to the support frame 1, a linear driving mechanism for driving the robot arm work platform 2 to slide back and forth along a length direction of the support frame 1, a robot arm assembly 3 rotatably mounted on the robot arm work platform 2, a rotation driving mechanism 4 for driving the robot arm assembly 3 to rotate around a height direction of the support frame 1, and a positioning mechanism 5 for fastening the robot arm assembly 3 to the robot arm work platform 2; with this structural design, the back-and-forth movement and the rotation of realization arm assembly 3 that can be convenient nimble satisfy arm assembly 3's multiaxis motion then.

Furthermore, in order to further improve the multi-axis motion of the robot arm assembly 3 and increase the lifting force during upward swinging and the stability during lifting, the robot arm assembly 3 in this embodiment includes a robot arm rotatably connected to the rotary driving mechanism 4, an arc-shaped rack 31 engaged with the positioning mechanism 5, and a swing driving mechanism for driving the robot arm to swing up and down along the arc-shaped rack 31.

Preferably, the swing driving mechanism includes a swing reducer 321 erected at one end of the robot arm, a swing motor 322 connected to a power input end of the swing reducer 321, and a gear 323 arranged at a power output end of the swing reducer 321, and the gear 323 is engaged with the arc-shaped rack 31.

Referring to fig. 1 and 2, arc-shaped racks 31 are respectively arranged on two sides of the swing reducer 321 at intervals in parallel, the upper ends of the two arc-shaped racks 31 are connected into a whole through a connecting plate 324, so that the stability of the two arc-shaped racks 31 after installation is improved, and then the two arc-shaped racks are meshed with gears 323 arranged on power output ends on two sides of the swing reducer 321 through tooth grooves on the outer arc surfaces of the arc-shaped racks 31.

Further specifically, the rotary driving mechanism 4 in this embodiment includes a rotary speed reducer 41 erected on the mechanical arm operation platform 2, a rotary motor connected to a power input end of the rotary speed reducer 41, and a bearing seat 42 connected to a power output end of the rotary speed reducer 41, where the bearing seat 42 is rotatably connected to the mechanical arm, and further specifically, the mechanical arm includes a rotating shaft 431 rotatably connected to the bearing seat 42, two arms 332 erected at two ends of the rotating shaft 331 at parallel intervals, and a connecting seat 333 disposed at the same end of the two arms 332.

With the adoption of the mechanical arm assembly 3 with the structural design, as the two arm levers 332 in the mechanical arm assembly 3 are rotatably connected with the bearing seats 42 in the rotary driving mechanism 4 through the rotating shafts 331, under the driving action of the swing motor 322, the two arm levers 332 can rotate around the rotating shafts 331 on the bearing seats 42 in the rotary driving mechanism 4, and by means of the arrangement of the arc-shaped racks 31, the bearing capacity of the two arm levers 332 is effectively improved, and the lifting force of the two arm levers 332 is greatly improved; compare with the multiaxis arm of traditional structure, under the unchangeable condition of swing motor 322 moment, the ability of promoting the heavy object has obtained promoting by a wide margin.

Furthermore, in order to keep the robot arm stable when lifting heavy objects, the positioning mechanism 5 includes a pressing plate 51 horizontally fastened to the lower end of the arc-shaped rack 31, and electromagnets 52 disposed at both ends of the pressing plate 51 and respectively attracted to the robot arm operating platform 2. When the mechanical arm rotates, the electromagnet 52 is separated from the mechanical arm operation platform 2, when the mechanical arm reaches a preset position, the lower end of the arc-shaped rack 31 can be firmly fixed with the mechanical arm operation platform 2 through the electromagnet 52, and then stable and reliable support is provided for the mechanical arm when bearing heavy objects.

Further, as a preferred option, the support frame 1 in this embodiment includes a fixing seat 11, a frame body 12 fastened to the fixing seat 11, and a slide rail 13 disposed along a length direction of the frame body 12, and the mechanical arm operation platform 2 is slidably connected to the slide rail 13 through a slider.

Further, in order to drive the mechanical arm operation platform 2 to slide back and forth along the length direction of the frame body 12, the linear driving mechanism in this embodiment includes a lead screw 61 erected along the length direction of the frame body 12, a slide seat in threaded connection with the lead screw 61, and a driving motor 62 disposed at one end of the lead screw 61 close to the fixed seat 11, the driving motor 62 is connected with the lead screw 61 through a coupling, as further preferred, the linear driving mechanism is located below the mechanical arm operation platform 2, and the slide seat is fastened to the lower bottom surface of the mechanical arm operation platform 2.

Adopt above-mentioned structural design's arm construction work platform, not only can effectively satisfy the multiaxis motion of arm, can also pass through the meshing between arc rack 31 and the swing speed reducer 321 simultaneously to and positioning mechanism 5 is to the injecing of arc rack 31, effectively promotes the lifting force of arm, and keeps the arm stability when continuously lifting, can also effectively reduce the motor consumption simultaneously.

The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the present invention.

Claims

1. The utility model provides a manipulator construction work platform which characterized in that: the mechanical arm component is rotatably erected on the mechanical arm operation platform, a rotary driving mechanism for driving the mechanical arm component to rotate around the height direction of the support frame and a positioning mechanism for fastening the mechanical arm component and the mechanical arm operation platform; the mechanical arm assembly comprises a mechanical arm rotationally connected with the rotary driving mechanism, an arc-shaped rack matched with the positioning mechanism and a swinging driving mechanism used for driving the mechanical arm to swing up and down along the arc-shaped rack.

2. The platform of claim 1, wherein the positioning mechanism comprises a pressing plate horizontally fastened to a lower end of the arc-shaped rack, and electromagnets disposed at two ends of the pressing plate and respectively attracted to the worktable of the robot arm.

3. The platform of claim 1, wherein the rotation driving mechanism comprises a rotation reducer mounted on the platform, a rotation motor connected to a power input end of the rotation reducer, and a bearing seat connected to a power output end of the rotation reducer, and the bearing seat is rotatably connected to the robot.

4. The platform of claim 3, wherein the swing driving mechanism comprises a swing reducer mounted at one end of the robot arm, a swing motor connected to a power input end of the swing reducer, and a gear mounted at a power output end of the swing reducer, and the gear is engaged with the arc-shaped rack.

5. The platform of claim 1, wherein the support frame comprises a fixing base, a frame body fastened to the fixing base, and a slide rail arranged along a length direction of the frame body.

6. The boom construction work platform of claim 5, wherein the boom work platform is slidably connected to the slide rail by a slide block.

7. The platform of claim 5, wherein the linear driving mechanism comprises a screw rod erected along the length direction of the frame body, a sliding seat in threaded connection with the screw rod, and a driving motor arranged at one end of the screw rod close to the fixed seat, and the driving motor is connected with the screw rod through a coupling.

8. The boom construction work platform of claim 7, wherein the linear drive mechanism is located below the boom table, and the slide is fastened to a lower bottom surface of the boom table.

9. The platform of claim 4, wherein the arm comprises a rotating shaft rotatably connected to the bearing seat, two arms mounted at two ends of the rotating shaft in parallel and spaced manner, and a connecting seat disposed at the same end of the two arms.

10. The manipulator construction work platform according to claim 9, wherein the arc-shaped racks are respectively engaged with two sides of the swing reducer, the arc-shaped racks are vertically arranged, and tooth grooves are uniformly distributed on outer arc surfaces of the arc-shaped racks.