Mechanical arm structure for industrial robot

Abstract

The utility model provides a mechanical arm structure for an industrial robot, which relates to the technical field of industrial mechanical arms and comprises two first support frames. According to the rotary telescopic mechanism, the second motor drives the second gear to be meshed with the third gear to drive the mounting disc and the mechanical arm to rotate, the rotary telescopic mechanism is combined with the electric telescopic rod to achieve telescopic movement in the vertical direction, and particularly, the two balance rods are additionally arranged to enhance stability. The balance rod can effectively disperse centrifugal force and other external force generated when the mechanical arm rotates, shaking caused by gravity center shifting is avoided, and compared with a rotating telescopic mechanism lacking effective balance measures in the prior art, the stability and accuracy of the mechanical arm in the rotating and telescopic operation process are improved, and the mechanical arm is more stable and reliable. Therefore, the mechanical arm can be competent for industrial production tasks with harsh precision requirements, such as electronic chip manufacturing and precise instrument assembling, the product quality is improved, the defective rate is reduced, and the working performance and adaptability of an industrial robot in a complex industrial environment are enhanced.

Description

TECHNICAL FIELD

[0001] The utility model relates to industrial robot technical field especially relates to a mechanical arm structure for industrial robot. BACKGROUND

[0002] In the process of accelerating industrial automation, industrial robots have been deeply integrated into various production processes, and bear the core tasks of material handling, part processing, product assembly, etc. As the key component of industrial robots directly performing operations, the performance of the mechanical arm determines whether the entire robot system can efficiently and accurately complete the designated work.

[0003] With the development of intelligent and fine industrial production, the performance of the mechanical arm presents an unprecedented challenge.

[0004] With the expansion of production scale and the complexity of production line layout, the mechanical arm is required to have a wider and more precisely controllable working space to efficiently cover different workstations and different operating areas.

[0005] The improvement of product quality standards requires the mechanical arm to maintain high positioning accuracy and motion stability during operation, whether it is grabbing and placing materials or performing precision machining tasks. INVENTION CONTENTS

[0006] The utility model aims at solving the problems of poor flexibility of the mechanical arm translation mechanism, limited working range, and easy shaking of the rotating telescopic mechanism in the prior art, and the problem of difficult operation precision guarantee.

[0007] To achieve the above purpose, the utility model adopts the following technical scheme: a mechanical arm structure for industrial robot, comprising: two first support frames, the top of the two first support frames is provided with a translation mechanism; the translation mechanism comprises a second support frame, the top of the second support frame is fixedly installed with a rack, the opposite sides of the second support frame are fixedly installed with sliding bars, the outer wall of the sliding bar is slidably connected with a sliding block, the outer surface of the sliding block is fixedly connected with a second mounting frame, the top of the second mounting frame is fixedly connected with a first mounting frame, the outer surface of the first mounting frame is fixedly connected with a first motor, and the output end of the first motor is fixedly connected with a first motor.

[0008] Preferably, the bottom of the second mounting frame is provided with a rotating telescopic mechanism; the rotating telescopic mechanism comprises a third mounting frame, the bottom of the third mounting frame is fixedly connected with a fourth mounting frame, the top of the fourth mounting frame is fixedly connected with a second motor, the output end of the second motor is fixedly connected with a second gear, the outer wall of the second gear is engaged with a third gear, the bottom of the fourth mounting frame is fixedly connected with a support column, and the bottom of the support column is fixedly connected with a first rotating shaft.

[0009] Preferably, the bottom of the first rotating shaft is fixedly connected with an electric telescopic rod, and the bottom of the third gear is fixedly connected with two balance rods.

[0010] Preferably, the bottom of the two balance rods is fixedly connected with a mounting disc, and the output end of the electric telescopic rod is fixedly connected with a second rotating shaft.

[0011] Preferably, the bottom of the mounting disc is fixedly connected with a mechanical arm, and the bottom of the second rotating shaft is rotatably connected with the top of the mechanical arm.

[0012] Preferably, the top of the first supporting frame is fixedly connected with the bottom of the translation mechanism, and the outer wall of the first gear is meshed with the outer wall of the rack.

[0013] Compared with the prior art, the industrial robot mechanical arm structure has the advantages and positive effects that,

[0014] 1、In the industrial robot mechanical arm structure, the rotating telescopic mechanism is driven by the second motor to drive the mounting disc and the mechanical arm to rotate through the meshing of the second gear and the third gear, and the vertical extension and retraction are realized in combination with the electric telescopic rod, and in particular, the two balance rods are additionally arranged to enhance the stability, and when working, the balance rods can effectively disperse the centrifugal force and other external forces generated when the mechanical arm rotates, so that the shaking caused by the gravity center deviation is avoided, compared with the rotating telescopic mechanism lacking effective balance measures in the prior art, the stability and accuracy of the mechanical arm during the rotating and telescopic operation are greatly improved, which enables the mechanical arm to be capable of undertaking the industrial production tasks with high precision requirements, such as electronic chip manufacturing and precision instrument assembly, improves the product quality, reduces the defective rate, and enhances the working performance and adaptability of the industrial robot in the complex industrial environment.

[0015] 2、In the industrial robot mechanical arm structure, the rack and the first gear are matched with the slide bar, and the slide block is guided, and from the working principle, the first motor drives the first gear to rotate and tightly matches with the rack to realize efficient power transmission, compared with the traditional translation driving mode in the prior art, the power transmission efficiency is greatly improved, which makes the mechanical arm faster during translation, can quickly respond to the operation instructions on the production line, meets the rhythm of efficient production, at the same time, the stable guiding effect of the slide bar and the slide block guarantees the stability of the mechanical arm during the translation process, reduces the jamming and displacement deviation, effectively expands the working range, can flexibly adapt to the diversified operation requirements of the large production line, and improves the overall working efficiency and positioning accuracy. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 A perspective view of an industrial robot mechanical arm structure is provided.

[0017] Figure 2 A split structure perspective view of a mechanical arm structure for an industrial robot is provided in the utility model;

[0018] Figure 3 A partial structure perspective view of a mechanical arm structure for an industrial robot is provided in the utility model;

[0019] Figure 4 Another partial structure perspective view of a mechanical arm structure for an industrial robot is provided in the utility model;

[0020] Figure 5 Another partial structure split structure perspective view of a mechanical arm structure for an industrial robot is provided in the utility model;

[0021] Figure 6 A mechanical arm perspective view of a mechanical arm structure for an industrial robot is provided in the utility model.

[0022] Legend: 1, first support frame; 2, translation mechanism; 201, second support frame; 202, rack; 203, slide bar; 204, sliding block; 205, first mounting frame; 206, first motor; 207, first gear; 208, second mounting frame; 3, rotating telescopic mechanism; 302, third mounting frame; 303, fourth mounting frame; 304, second motor; 305, second gear; 306, third gear; 307, support column; 308, first rotating shaft; 309, electric telescopic rod; 310, balance bar; 311, second rotating shaft; 312, mounting disc; 4, mechanical arm. DETAILED DESCRIPTION

[0023] In order to make the above-mentioned purpose, features and advantages of the utility model more clearly understood, the utility model will be further described below in combination with the drawings and embodiments. It should be noted that the embodiments of the application and the features in the embodiments can be combined with each other without conflict.

[0024] In the following description, many specific details are set forth in order to provide a thorough understanding of the utility model, however, the utility model can also be implemented in other ways different from the description herein, therefore, the utility model is not limited to the specific embodiments disclosed in the following description.

[0025] Embodiment 1: please refer to as Figures 1-6The utility model provides a mechanical arm structure for industrial robot, include: two first support frame 1, two first support frame 1's top is provided with translation mechanism 2, translation mechanism 2 includes second support frame 201, second support frame 201's top fixed mounting has rack 202, second support frame 201's opposite side all fixed mounting has slide strip 203, the outer wall sliding connection of slide strip 203 has sliding block 204, the outer surface fixed connection of sliding block 204 has second mounting bracket 208, the top fixed connection of second mounting bracket 208 has first mounting bracket 205, the outer surface fixed connection of first mounting bracket 205 has first motor 206, the output fixed connection of first motor 206 has first motor 206, the top of first support frame 1 and the bottom of translation mechanism 2 fixed connection, the outer wall of first gear 207 and the outer wall of rack 202 are mutually engaged.

[0026] Its whole embodiment 1 reaches the effect, its whole embodiment 1 reaches the effect, by first motor 206 drive first gear 207 and rack 202 are mutually engaged, can realize first mounting bracket 205, second mounting bracket 208 and the related component translation movement on second support frame 201, and then drive whole mechanical arm structure in horizontal direction flexible movement, effectively expanded the working range of mechanical arm, improved its position adjustment ability in industrial operation, simultaneously, the sliding fit design of slide strip 203 and sliding block 204 provides stable reliable guide and support for translation movement, makes translation process more stable, accurate, greatly improves the positioning accuracy and operation stability when industrial robot executes the task, helps to guarantee the quality and efficiency of production and processing.

[0027] Embodiment 2: please refer to as Figures 1-6 As shown, the bottom of second mounting bracket 208 is provided with rotating telescopic mechanism 3, rotating telescopic mechanism 3 includes third mounting bracket 302, the bottom of third mounting bracket 302 is fixedly connected with fourth mounting bracket 303, the top of fourth mounting bracket 303 is fixedly connected with second motor 304, the output of second motor 304 is fixedly connected with second gear 305, the outer wall of second gear 305 is engaged with third gear 306, the bottom of fourth mounting bracket 303 is fixedly connected with support column 307, the bottom of support column 307 is fixedly connected with first rotating shaft 308, the bottom of first rotating shaft 308 is fixedly connected with electric telescopic rod 309, the bottom of third gear 306 is fixedly connected with two balance bars 310, the bottom of two balance bars 310 is fixedly connected with mounting disc 312, the output of electric telescopic rod 309 is fixedly connected with second rotating shaft 311, the bottom of mounting disc 312 is fixedly connected with mechanical arm 4, and the top of mechanical arm 4 is rotatably connected with the bottom of second rotating shaft 311.

[0028] The effect achieved by the whole embodiment 2 is that the second motor 304 drives the second gear 305 to rotate, through the meshing transmission with the third gear 306, the mounting disc 312 and the mechanical arm 4 fixed thereon can realize the rotating action, which greatly expands the working angle range of the mechanical arm, so that it can flexibly operate in different directions, the setting of the electric telescopic rod 309 gives the mechanical arm 4 the function of stretching in the vertical direction, which can flexibly adjust the working distance according to the actual working requirement, enhances the adaptability of the mechanical arm to tasks of different heights and positions, in addition, the setting of the two balance rods 310 effectively enhances the stability in the rotating process, ensures that the mechanical arm remains balanced during the rotating and telescopic operation, reduces the influence of shaking on the operation precision, further improves the accuracy and reliability of the industrial robot in performing tasks, and improves its working performance in complex industrial environment.

[0029] Working principle: the first motor 206 starts, its output shaft drives the first gear 207 to rotate, since the first gear 207 and the rack 202 are engaged with each other, according to the gear rack transmission principle, when the first gear 207 rotates, it will roll along the tooth surface of the rack 202, in this process, the first mounting frame 205 connected with the first gear 207, and the second mounting frame 208 fixed on the first mounting frame 205, etc. will move in the horizontal direction with the movement of the first gear 207, at the same time, the sliding pair composed of the slide bar 203 and the sliding block 204 plays a guiding and supporting role, the sliding block 204 closely fits the outer wall of the slide bar 203, which limits the movement direction of the second mounting frame 208 in the translation process, so that it can only move smoothly along the length direction of the slide bar 203, thereby ensuring the stability and accuracy of the whole translation process, the working principle of the rotating telescopic mechanism 3 is more complex, first, the second motor 304 is started, its output end drives the second gear 305 to rotate at high speed, the second gear 305 and the third gear 306 are engaged with each other, the power is transmitted to the third gear 306 through gear transmission, so that the third gear 306 rotates around the center shaft, since the third gear 306 and the mounting disc 312 are fixedly connected, so the mounting disc 312 will rotate with the third gear 306, and then drive the mechanical arm 4 installed at the bottom of the mounting disc 312 to adjust the angle in the horizontal plane, at the same time, the electric telescopic rod 309 also participates in the work, when the electric telescopic rod 309 receives the telescopic instruction, the driving device inside the electric telescopic rod will drive the telescopic rod to extend or retract, the top end of the telescopic rod is connected with the second rotating shaft 311, and the second rotating shaft 311 is rotatably connected with the top of the mechanical arm 4, therefore, the telescopic movement of the electric telescopic rod 309 can change the position of the mechanical arm 4 in the vertical direction, realize the lengthening or shortening of the mechanical arm 4, in addition, the two balance rods 310 play a balancing role in the rotating process of the mechanical arm 4, they stably connect the third gear 306 and the mounting disc 312, when the mechanical arm 4 rotates, the balance rod 310 can disperse the centrifugal force and other external forces generated by rotation, ensure the stability of the rotation of the mechanical arm 4, prevent shaking or deviation due to uneven force.

[0030] The wiring diagram in the utility model belongs to the public knowledge in the field, and its working principle is a known technology, and the model is selected according to actual use, so the control mode and wiring arrangement of the first motor 206, the second motor 304 and the electric telescopic rod 309 are not explained in detail.

[0031] The above merely describes preferred embodiments of the present application, and is not intended to limit the present application in other forms, and any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields with equivalent changes, but any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present application without departing from the technical scheme of the present application still falls within the protection scope of the present application.

Claims

1. A robotic arm structure for an industrial robot, characterized in that, include: A first gear (207), two first support frames (1), and a translation mechanism (2) is provided on the top of the two first support frames (1). The translation mechanism (2) includes a second support frame (201), a rack (202) is fixedly installed on the top of the second support frame (201), and slide bars (203) are fixedly installed on the opposite sides of the second support frame (201). A sliding block (204) is slidably connected to the outer wall of the slide bar (203). A second mounting frame (208) is fixedly connected to the outer surface of the sliding block (204). A first mounting frame (205) is fixedly connected to the top of the second mounting frame (208). A first motor (206) is fixedly connected to the outer surface of the first mounting frame (205). The output end of the first motor (206) is fixedly connected to the first motor (206).

2. The robotic arm structure for an industrial robot according to claim 1, characterized in that: The bottom of the second mounting bracket (208) is provided with a rotating telescopic mechanism (3); The rotating telescopic mechanism (3) includes a third mounting bracket (302), the bottom of which is fixedly connected to a third mounting bracket (302), the bottom of which is fixedly connected to a fourth mounting bracket (303), the top of which is fixedly connected to a second motor (304), the output end of which is fixedly connected to a second gear (305), the outer wall of which is meshed with a third gear (306), the bottom of which is fixedly connected to a support column (307), and the bottom of which is fixedly connected to a first rotating shaft (308).

3. The robotic arm structure for an industrial robot according to claim 2, characterized in that: An electric telescopic rod (309) is fixedly connected to the bottom of the first rotating shaft (308), and two balance rods (310) are fixedly connected to the bottom of the third gear (306).

4. The robotic arm structure for an industrial robot according to claim 3, characterized in that: The bottom of the two balance bars (310) is fixedly connected to the mounting plate (312), and the output end of the electric telescopic bar (309) is fixedly connected to the second rotating shaft (311).

5. The robotic arm structure for an industrial robot according to claim 4, characterized in that: The bottom of the mounting plate (312) is fixedly connected to a robotic arm (4), and the bottom of the second rotating shaft (311) is rotatably connected to the top of the robotic arm (4).

6. The robotic arm structure for an industrial robot according to claim 1, characterized in that: The top of the first support frame (1) and the bottom of the translation mechanism (2) are fixedly connected, and the outer wall of the first gear (207) and the outer wall of the rack (202) mesh with each other.

7. The robotic arm structure for an industrial robot according to claim 4, characterized in that: The outer wall of the first rotating shaft (308) is rotatably connected to the inner wall of the third gear (306), and the outer wall of the second rotating shaft (311) is rotatably connected to the outer wall of the mounting plate (312).

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