Mechanical automatic robot arm

Abstract

The utility model discloses a mechanical automation robot arm, which belongs to the technical field of robots and comprises a gasket, three support plates are fixedly connected to the upper end of the gasket, a mechanical arm structure is jointly and fixedly connected to the upper ends of the three support plates, and an integral framework of the robot arm is formed by the mechanical arm structure through a rotating component. The robot arm can be adjusted by 360 degrees in the horizontal direction, stability is kept in the arm driving process, the large arm of the robot arm can be adjusted through the first driving assembly, the small arm of the robot arm can be adjusted through the second driving assembly, and the robot arm is more flexible through cooperation of the first driving assembly and the second driving assembly. Compared with the prior art, the robot arm has the better automation attribute, different palms such as a welding palm, a cutting palm and a grabbing palm can be connected to the connector, different functions can be achieved conveniently, the function high in flexibility can be achieved, and the practicability of the robot arm is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to robot technical field more specifically, relate to a kind of mechanical automation robot arm. BACKGROUND

[0002] Robot is the machine device that automatically performs work. It can accept human command, can also run preprogrammed program, and can also act according to the principle of artificial intelligence technology. With the rapid development of robot industry, many robots that replace human work appear, for example, in production industry, construction industry, or dangerous work industry, arm plays a very important role in the process of robot operation, a flexible arm can make robot quickly complete different work in the working process.

[0003] Chinese patent authorization announcement No. CN221416632U provides a kind of robot arm, the scheme is by being arranged lifting box, lifting rod, butt joint rod, cross bar and lifting sleeve, can be moved up and down by the electric push rod in lifting box interior drive lifting rod, to drive lifting sleeve to move up and down in turn, in turn drive cross bar to move up, finally realize the up and down movement of welding torch, by being arranged sliding sleeve, can be slid left and right in the sliding slot interior by slide, to make welding head move left and right below cross bar, by being arranged chassis and turntable, can be rotated in the shaft slot interior by the rotation of rotating shaft and multiple groups of universal ball, to realize the 360 degree rotation of robot arm, in turn make robot arm have flexibility, can adapt to complex working environment, can realize man-machine cooperation, but there are following defects in specific implementation process: the robot arm can only be applicable to welding work in the process of use, cannot be lifted, grasped and so on, and the limitation is larger.

[0004] Therefore, aiming at the above problems, a kind of mechanical automation robot arm is proposed. UTILITY MODEL CONTENT

[0005] 1. Technical problem to be solved

[0006] In view of the problems existing in the prior art, the purpose of the utility model is to provide a kind of mechanical automation robot arm, it can realize the function of higher flexibility.

[0007] 2. Technical scheme

[0008] To solve the above problems, the utility model adopts the following technical scheme.

[0009] A kind of mechanical automation robot arm, including washer, the washer upper end is fixedly connected with three support plates, three the support plate upper end is commonly fixedly connected with mechanical arm structure.

[0010] Further, the mechanical arm structure includes a limiting plate, the front end of the limiting plate is fixedly connected with a rotating assembly, the front part of the rotating assembly is fixedly connected with a reinforcing plate, the left part of the rotating assembly is fixedly connected with a second driving assembly, and the right part of the rotating assembly is fixedly connected with a first driving assembly.

[0011] Further, the rotating assembly includes a fixed disc, the lower end of the fixed disc is fixedly connected with the upper ends of the three supporting plates, the lower end of the fixed disc is fixedly connected with a first motor, the output end of the first motor is fixedly connected with a first gear through a shaft coupling, the outer surface of the first gear is meshedly connected with a second gear, the lower end of the second gear is rotationally connected with the upper end of the fixed disc, the upper end of the second gear is fixedly connected with a connecting frame, the inner surface of the connecting frame is fixedly connected with two first connecting rods through bearings, the inner surfaces of the two first connecting rods are fixedly connected with two connecting plates through bearings, and the inner surfaces of the two connecting plates are fixedly connected with two second connecting rods through bearings.

[0012] Further, the second driving assembly includes a second motor, the right end of the second motor is fixedly connected with the left end of the connecting frame, the output end of the second motor is fixedly connected with a first gear set through a shaft coupling, the right end of the first gear set is fixedly connected with a driving plate, the inner surface of the driving plate is fixedly connected with a third connecting rod through a bearing, the inner surface of the third connecting rod is fixedly connected with a small arm, and the inner surface of the small arm is fixedly connected with a connecting head.

[0013] Further, the first driving assembly includes a third motor, the left end of the third motor is fixedly connected with the right end of the connecting frame, the output end of the third motor is fixedly connected with a second gear set through a shaft coupling, the left end of the second gear set is fixedly connected with a large arm, the inner surface of the large arm is fixedly connected with a first positioning rod through a bearing, and the inner surface of the large arm is fixedly connected with a second positioning rod.

[0014] Further, the outer surface of the second positioning rod is fixedly connected with the inner surface of the small arm through a bearing, the outer surface of the second positioning rod is fixedly connected with the inner surfaces of the two connecting plates through bearings, the inner surface of the driving plate is fixedly connected with the outer surface of the first positioning rod through a bearing, and the inner surfaces of the two second connecting rods are rotationally connected with the inner surface of the connecting head through connecting rods.

[0015] 3. Beneficial effects

[0016] Compared with the prior art, the utility model has the advantages that:

[0017] The whole frame of the robot arm is formed by the rotating assembly, the horizontal direction of the robot arm can be adjusted by 360 degrees, stability is maintained during driving of the arm, the large arm of the robot arm can be adjusted by the driving assembly one, the small arm of the robot arm can be adjusted by the driving assembly two, the robot arm is more flexible, has better automation property, and different palms, such as welding palm, cutting palm, grabbing palm and the like, can be connected on the connecting head, different functions are facilitated to realize, and the practicability of the robot arm is improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a whole structure schematic view of the utility model;

[0019] Figure 2 It is a mechanical arm structure schematic view of the utility model;

[0020] Figure 3 It is a rotating assembly schematic view of the utility model;

[0021] Figure 4 It is a driving assembly two schematic view of the utility model;

[0022] Figure 5 It is a driving assembly one schematic view of the utility model.

[0023] Mark explanation in the drawing:

[0024] 1, gasket; 2, support plate; 3, mechanical arm structure; 31, limit plate; 32, reinforcing plate; 33, rotating assembly; 331, fixed disc; 332, motor one; 333, gear one; 334, gear two; 335, connecting frame; 336, connecting rod one; 337, connecting plate; 338, connecting rod two; 34, driving assembly one; 341, motor three; 342, gear set two; 343, large arm; 344, positioning rod one; 345, positioning rod two; 35, driving assembly two; 351, motor two; 352, gear set one; 353, driving plate; 354, connecting rod three; 355, small arm; 356, connecting head. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model; Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments; Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0026] In the description of the utility model, it is necessary to explain that the terms "upper", "lower", "inner", "outer", "top / bottom end" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0027] In the description of the utility model, it should be pointed out that, unless otherwise specified and limited, the terms "mounting", "provided with", "sleeved / connected", "connected" and the like should be broadly understood, for example, "connected", which can be fixedly connected, can also be detachably connected, or integrally connected; can be mechanically connected, can also be electrically connected; can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication between two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0028] Embodiment:

[0029] Please refer to Figures 1-5 A mechanical automatic robot arm, including gasket 1, gasket 1 upper end fixedly connected with three support plates 2, three support plates 2 upper end is fixedly connected with mechanical arm structure 3 in common.

[0030] The gasket 1 and the three support plates 2 of the scheme support the mechanical arm structure 3 together, so that the mechanical arm structure 3 can be operated as a separate individual, or can be combined with other robot components to form a complete robot, and the mechanical arm structure 3 can realize a relatively high degree of automation of the robot arm, increase its flexibility, and meet different use requirements.

[0031] Please refer to Figures 2-5 The mechanical arm structure 3 includes a limiting plate 31, the limiting plate 31 is fixedly connected with a rotating assembly 33 at the front end, the rotating assembly 33 is fixedly connected with a reinforcing plate 32 at the front, the rotating assembly 33 is fixedly connected with a driving assembly two 35 at the left, and the rotating assembly 33 is fixedly connected with a driving assembly one 34 at the right.

[0032] The rotating assembly 33 comprises a fixed disc 331, the lower end of the fixed disc 331 is fixedly connected with the upper end of the three supporting plates 2, the lower end of the fixed disc 331 is fixedly connected with a motor one 332, the output end of the motor one 332 is fixedly connected with a gear one 333 through a shaft coupling, the outer surface of the gear one 333 is meshedly connected with a gear two 334, the lower end of the gear two 334 is rotationally connected with the upper end of the fixed disc 331, the upper end of the gear two 334 is fixedly connected with a connecting frame 335, the inner surface of the connecting frame 335 is fixedly connected with two connecting rods one 336 through a bearing, the inner surfaces of the two connecting rods one 336 are fixedly connected with two connecting plates 337 through bearings, and the inner surfaces of the two connecting plates 337 are fixedly connected with two connecting rods two 338 through bearings.

[0033] The driving assembly two 35 comprises a motor two 351, the left end of the motor two 351 is fixedly connected with the left end of the connecting frame 335, the output end of the motor two 351 is fixedly connected with a gear set one 352 through a shaft coupling, the right end of the gear set one 352 is fixedly connected with a driving plate 353, the inner surface of the driving plate 353 is fixedly connected with a connecting rod three 354 through a bearing, the inner surface of the connecting rod three 354 is fixedly connected with a small arm 355 through a bearing, the inner surface of the small arm 355 is fixedly connected with a connecting head 356, and the inner surfaces of the two connecting rods two 338 are rotationally connected with the inner surface of the connecting head 356 through connecting rods.

[0034] The driving assembly one 34 comprises a motor three 341, the left end of the motor three 341 is fixedly connected with the right end of the connecting frame 335, the output end of the motor three 341 is fixedly connected with a gear set two 342 through a shaft coupling, the left end of the gear set two 342 is fixedly connected with a large arm 343, the inner surface of the large arm 343 is fixedly connected with a positioning rod one 344 through a bearing, the inner surface of the driving plate 353 is fixedly connected with the outer surface of the positioning rod one 344 through a bearing, the inner surface of the large arm 343 is fixedly connected with a positioning rod two 345, the outer surface of the positioning rod two 345 is fixedly connected with the inner surface of the small arm 355 through a bearing, and the outer surface of the positioning rod two 345 is fixedly connected with the inner surfaces of the two connecting plates 337 through bearings.

[0035] The scheme is through starting motor one 332, gear one 333 rotates under the action of motor one 332, gear one 333 rotates and drives the meshing gear two 334 to rotate, because the upper end of gear two 334 is fixedly connected with the lower end of connecting frame 335, so when gear two 334 rotates, it drives connecting frame 335 to rotate, thereby adjusting the horizontal direction of the robot arm, so that the robot arm can rotate 360 degrees in the horizontal direction, starting motor three 341, gear set two 342 transmits the acting force of motor three 341 to large arm 343, so that large arm 343 can rotate around positioning rod one 344 under the action of motor three 341, starting motor two 351, gear set one 352 transmits the acting force of motor two 351 to driving plate 353, so that driving plate 353 can rotate around positioning rod one 344 under the action of motor two 351, when driving plate 353 rotates, the position of connecting rod three 354 changes, finally driving small arm 355 to deviate around positioning rod two 345, when large arm 343 and small arm 355 deviate, two connecting rods one 336 and two connecting rods two 338 move together under the cooperation of two connecting plates 337, so that the robot arm can adjust the position of large arm 343 or small arm 355 alone, or adjust the position of large arm 343 and small arm 355 at the same time, and the position of connecting head 356 can be adjusted by the cooperation of small arm 355 and two connecting rods two 338, so that the connecting place of connecting head 356 and small arm 355 can be turned up and down like the wrist of a person, the automation degree and flexibility of the robot arm can be improved, different palms can be installed on connecting head 356, so that the robot arm can play different functions.

[0036] It should be noted that the specific installation method of motor one 332, motor two 351 and motor three 341, the connection mode of the circuit and the control method all belong to conventional design, and the utility model will not be described in detail.

[0037] Working principle: when the robot arm needs to be used for work, first, install the functional palm on connecting head 356 according to the work requirements, such as welding palm, cutting palm, gripping palm and the like, after connection, motor two 351 and motor three 341 jointly play a role, two connecting rods one 336, two connecting rods two 338 and connecting rod three 354 complete the adjustment of the position of large arm 343 and small arm 355 under the cooperation of positioning rod two 345 and positioning rod one 344, so that the connecting place of large arm 343 and small arm 355 can be flexed or stretched like the elbow joint of a person, and the connecting place of small arm 355 and connecting head 356 can be turned up and down like the wrist joint of a person, finally, motor one 332 can be started to control the robot arm to rotate 360 degrees horizontally, further improving the flexibility of the robot arm.

[0038] The above merely describes a preferred embodiment of the present application; however, the scope of protection of the present application is not limited thereto. Any skilled person in the art, within the technical scope disclosed by the present application, according to the technical scheme and improvement concept of the present application, makes equivalent replacement or change, which should be covered in the scope of protection of the present application.

Claims

1. A mechanically automated robotic arm comprising a grommet (1), characterized in that: Three support plates (2) are fixedly connected to the upper end of the gasket (1), and a mechanical arm structure (3) is fixedly connected to the upper ends of the three support plates (2); The mechanical arm structure (3) comprises a limiting plate (31), the front end of the limiting plate (31) is fixedly connected with a rotating assembly (33), the front part of the rotating assembly (33) is fixedly connected with a reinforcing plate (32), the left part of the rotating assembly (33) is fixedly connected with a second driving assembly (35), and the right part of the rotating assembly (33) is fixedly connected with a first driving assembly (34); The rotating assembly (33) comprises a fixed disc (331), the lower end of the fixed disc (331) is fixedly connected with the upper ends of the three support plates (2), the lower end of the fixed disc (331) is fixedly connected with a first motor (332), the output end of the first motor (332) is fixedly connected with a first gear (333) through a shaft coupling, the outer surface of the first gear (333) is meshingly connected with a second gear (334), the lower end of the second gear (334) is rotatably connected with the upper end of the fixed disc (331), the upper end of the second gear (334) is fixedly connected with a connecting frame (335), the inner surface of the connecting frame (335) is fixedly connected with two first connecting rods (336) through bearings, the inner surfaces of the two first connecting rods (336) are fixedly connected with two connecting plates (337) through bearings, and the inner surfaces of the two connecting plates (337) are fixedly connected with two second connecting rods (338) through bearings; The second driving assembly (35) comprises a second motor (351), the right end of the second motor (351) is fixedly connected with the left end of the connecting frame (335), the output end of the second motor (351) is fixedly connected with a first gear set (352) through a shaft coupling, the right end of the first gear set (352) is fixedly connected with a driving plate (353), the inner surface of the driving plate (353) is fixedly connected with a third connecting rod (354) through a bearing, the inner surface of the third connecting rod (354) is fixedly connected with a small arm (355), and the inner surface of the small arm (355) is fixedly connected with a connecting head (356); The first driving assembly (34) comprises a third motor (341), the left end of the third motor (341) is fixedly connected with the right end of the connecting frame (335), the output end of the third motor (341) is fixedly connected with a second gear set (342) through a shaft coupling, the left end of the second gear set (342) is fixedly connected with a large arm (343), the inner surface of the large arm (343) is fixedly connected with a first positioning rod (344) through a bearing, and the inner surface of the large arm (343) is fixedly connected with a second positioning rod (345).

2. The mechanical automated robotic arm of claim 1, wherein: The outer surface of the second positioning rod (345) is fixedly connected with the inner surface of the small arm (355) through a bearing, the outer surface of the second positioning rod (345) is fixedly connected with the inner surfaces of the two connecting plates (337) through bearings, the inner surface of the driving plate (353) is fixedly connected with the outer surface of the first positioning rod (344) through a bearing, and the inner surfaces of the two second connecting rods (338) are rotatably connected with the inner surface of the connecting head (356) through connecting rods.

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