A dual-axis synchronous drive robotic arm

Abstract

The utility model discloses a kind of double-shaft synchronous drive mechanical arms, it is related to mechanical arm technical field, including pedestal, pedestal is fixedly installed with mounting plate, the bottom surface of mounting plate is provided with two connecting seats, two the connecting seat is rotationally arranged on the bottom surface of mounting plate by first drive component, and the bottom surface of two the connecting seat is fixedly installed with gripper;Two lifting frames are provided on the pedestal.This utility model by using first drive component, played the effect that the gripper on two connecting seats can be synchronously rotated under the action of first drive component, and by using second drive component, played the effect that the gripper on two connecting seats can be synchronously vertically slid under the action of second drive component, so as to played the effect that the gripper on two connecting seats can be synchronously driven by single drive source, reduce the production cost of entire mechanical arm, improve the practicability of entire mechanical arm.

Description

Technical Field

[0001] This utility model relates to the field of robotic arm technology, specifically a dual-axis synchronous drive robotic arm. Background Technology

[0002] A robotic arm is an automated device that mimics the structure and movement of a human arm. Through the coordinated work of mechanical structure, drive system, control system and sensors, it achieves precise position control, posture adjustment and operation task execution.

[0003] However, existing dual-axis robotic arms lack the necessary synchronous drive mechanism. Therefore, when synchronous driving of dual-axis robotic arms is required, it is necessary to operate the two robotic arms separately with the help of a single drive source. This not only increases the production cost of the robotic arm but also reduces its overall practicality. Furthermore, existing dual-axis robotic arms cannot operate on objects of different heights at the same time, thus exhibiting a low adaptability problem. Utility Model Content

[0004] The purpose of this invention is to provide a dual-axis synchronous drive robotic arm to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a dual-axis synchronous drive robotic arm, including a base, on which an mounting plate is fixedly installed. Two connecting seats are provided on the bottom surface of the mounting plate. The two connecting seats are rotatably mounted on the bottom surface of the mounting plate by a first drive assembly, and grippers are fixedly installed on the bottom surface of each of the two connecting seats. Two lifting frames are provided on the base, which are vertically slidably mounted on the base by a second drive assembly, and the two connecting seats are rotatably mounted on the two lifting frames respectively.

[0006] The aforementioned components achieve the following effects: by utilizing the first drive component, the grippers on the two connecting seats can rotate synchronously under the action of the first drive component; and by utilizing the second drive component, the grippers on the two connecting seats can slide synchronously vertically under the action of the second drive component. This achieves the effect of synchronously driving the grippers on the two connecting seats with a single drive source, reducing the overall production cost of the robotic arm and improving its practicality.

[0007] Preferably, the first driving assembly includes a rotating cylinder rotatably mounted on the mounting plate, and pulleys are fixedly mounted on the circumferential surfaces of both rotating cylinders, and the two pulleys are connected by a belt drive; a sliding rod is slidably mounted axially inside both rotating cylinders, the bottom end of the sliding rod is fixedly mounted on the top surface of the connecting seat, and the sliding rod is rotatably mounted on the lifting frame.

[0008] The effect achieved by the above components is that by utilizing the pulleys and belts on the two rotating cylinders, the two rotating cylinders can rotate synchronously on the two pulleys and belts.

[0009] Preferably, a screw is rotatably mounted on the mounting plate, a threaded block is threadedly connected to the circumference of the screw, a rotating seat is rotatably mounted on the threaded block, and an abutment wheel is fixedly mounted on the top surface of the rotating seat, the abutment wheel movably abutting against the belt.

[0010] The effect achieved by the above components is as follows: by using the screw, the abutment wheel on the threaded block can slide along the axial direction of the screw under the action of the screw, so that the abutment wheel on the rotating seat can abut against the belt, thereby achieving the effect of tensioning the belt.

[0011] Preferably, the mounting plate has a groove, and the threaded block is slidably disposed in the groove.

[0012] The aforementioned component achieves the following effect: by utilizing the sliding groove, it restricts the sliding direction of the abutment wheel on the threaded block, thereby improving the stability of the abutment wheel during the sliding process on the threaded block.

[0013] Preferably, the first drive assembly further includes a connecting plate fixedly mounted on the mounting plate, a motor fixedly mounted on the connecting plate, a rotating shaft fixedly mounted on the output end of the motor, a first gear fixedly mounted on the circumferential surface of the rotating shaft, and a second gear meshing with the first gear fixedly mounted on the circumferential surface of one of the rotating cylinders.

[0014] The aforementioned components achieve the following effects: by utilizing a motor, the rotating shaft can rotate under the action of the motor. Therefore, by utilizing the interaction between the first gear and the second gear, one of the rotating cylinders on the mounting plate can be driven to rotate. Furthermore, by utilizing the interaction between the two pulleys and the belt, the two rotating cylinders on the mounting plate can be driven to rotate synchronously, thereby driving the grippers on the two connecting plates to rotate synchronously.

[0015] Preferably, the second drive assembly includes an electric push rod fixedly mounted on the base, a drive seat fixedly mounted on the output end of the electric push rod, a third gear rotatably mounted on the drive seat, and racks meshing with the third gear fixedly mounted on both lifting frames, with the two racks respectively located on both sides of the third gear.

[0016] The aforementioned components achieve the following effect: by utilizing an electric push rod, the third gear on the drive base can drive the two lifting frames on the base to slide vertically. When the gripper on one of the lifting frames contacts an object, as the drive base continues to slide, the third gear on the drive base rotates, and through the interaction between the third gear and the rack, it drives the other lifting frame to slide vertically continuously. This enables the grippers on the two lifting frames to perform gripping operations on objects of different heights, allowing the entire robotic arm to adapt to objects of different heights, thus improving the adaptability and practicality of the entire robotic arm.

[0017] Preferably, four guide rails are fixedly installed on the base, with the four guide rails arranged in pairs, and the two lifting frames are slidably mounted on the two sets of guide rails respectively.

[0018] The aforementioned components achieve the following effect: by utilizing the guide rail, the vertical sliding direction of the lifting frame is restricted, thereby ensuring the stability of the lifting frame during vertical sliding.

[0019] Preferably, a support plate is fixedly installed on the base, and a buffer block is provided on the bottom surface of the support plate, which movably abuts against the lifting frame.

[0020] The aforementioned components achieve the following effect: by utilizing the buffer block, the top of the two lifting frames can be made to abut against the buffer block after the two lifting frames are raised to a certain height, thereby limiting the lifting height of the two lifting frames and thus protecting them.

[0021] Preferably, a limiting rod is slidably inserted into the support plate, one end of the limiting rod is fixedly connected to the buffer block, and a spring is sleeved on the circumference of the limiting rod, with both ends of the spring being fixedly connected to the support plate and the buffer block, respectively.

[0022] The effect achieved by the above components is as follows: by using springs, after the lifting frame is raised to a certain height, the lifting frame can compress the buffer block, thereby compressing the spring and thus buffering the lifting frame, thereby further improving the protection effect of the lifting frame.

[0023] Compared with the prior art, the beneficial effects of this utility model are: This invention utilizes a first driving component to enable the grippers on the two connecting seats to rotate synchronously under the action of the first driving component, and utilizes a second driving component to enable the grippers on the two connecting seats to slide vertically synchronously under the action of the second driving component. This achieves the effect of synchronously driving the grippers on the two connecting seats with a single driving source, reducing the production cost of the entire robotic arm and improving its practicality.

[0024] This invention utilizes an electric push rod to enable the third gear on the drive base to drive two lifting frames on the base to slide vertically. When the gripper on one of the lifting frames contacts an object, the continuous sliding of the drive base causes the third gear on the drive base to rotate. Through the interaction between the third gear and the rack, the other lifting frame is driven to slide vertically continuously. This allows the grippers on the two lifting frames to clamp objects of different heights, making the entire robotic arm adaptable to objects of different heights and improving its adaptability and practicality. Attached Figure Description

[0025] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 For the present utility model Figure 1 A partial structural diagram; Figure 3 For the present utility model Figure 2 A front view structural diagram; Figure 4 For the present utility model Figure 3 Schematic diagram of the structure at point A; Figure 5 For the present utility model Figure 3 A schematic diagram of the structure at point B.

[0026] In the diagram: 1. Base; 2. Mounting plate; 301. Connecting plate; 302. Motor; 303. Rotating shaft; 304. First gear; 305. Rotating cylinder; 306. Second gear; 307. Pulley; 308. Belt; 309. Screw; 310. Threaded block; 311. Rotating seat; 312. Abutment wheel; 313. Slide groove; 314. Slide rod; 315. Connecting seat; 316. Gripper; 401. Electric push rod; 402. Drive seat; 403. Third gear; 404. Lifting frame; 405. Rack; 406. Guide rail; 407. Support plate; 408. Buffer block; 409. Spring; 410. Limiting rod. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0028] Please see Figure 1-5 This utility model provides a technical solution: a dual-axis synchronous drive robotic arm, including a base 1, on which an mounting plate 2 is fixedly installed. Two connecting seats 315 are provided on the bottom surface of the mounting plate 2. The two connecting seats 315 are rotatably mounted on the bottom surface of the mounting plate 2 via a first drive assembly, and grippers 316 are fixedly installed on the bottom surface of each connecting seat 315. Two lifting frames 404 are provided on the base 1, which are vertically slidably mounted on the base 1 via a second drive assembly, and the two connecting seats 315 are respectively rotatably mounted on the two lifting frames 404. By utilizing the first drive assembly, the grippers 316 on the two connecting seats 315 can rotate synchronously under the action of the first drive assembly. Furthermore, by utilizing the second drive assembly, the grippers 316 on the two connecting seats 315 can slide synchronously vertically under the action of the second drive assembly. This achieves the effect of synchronously driving the grippers 316 on the two connecting seats 315 with a single drive source, reducing the overall production cost of the robotic arm and improving its practicality.

[0029] The following is a detailed explanation of its overall setup and function.

[0030] The first drive assembly includes rotating cylinders 305 rotatably mounted on the mounting plate 2. Pulleys 307 are fixedly mounted on the circumference of both rotating cylinders 305, and the two pulleys 307 are connected by a belt 308. Sliding rods 314 are axially slidably mounted inside each of the two rotating cylinders 305. The bottom end of each sliding rod 314 is fixedly mounted on the top surface of the connecting seat 315, and the sliding rod 314 is rotatably mounted on the lifting frame 404. By utilizing the pulleys 307 and belts 308 on the two rotating cylinders 305, the two rotating cylinders 305 can rotate synchronously with the pulleys 307 and belts 308.

[0031] A screw 309 is rotatably mounted on the mounting plate 2. A threaded block 310 is threadedly connected to the circumference of the screw 309. A rotating seat 311 is rotatably mounted on the threaded block 310. An abutment wheel 312 is fixedly mounted on the top surface of the rotating seat 311 and movably abuts against the belt 308. By utilizing the screw 309, the abutment wheel 312 on the threaded block 310 can slide along the axial direction of the screw 309 under the action of the screw 309, thereby allowing the abutment wheel 312 on the rotating seat 311 to abut against the belt 308, thus achieving the effect of tensioning the belt 308.

[0032] The mounting plate 2 has a groove 313, and the threaded block 310 is slidably disposed in the groove 313. By utilizing the groove 313, the sliding direction of the abutment wheel 312 on the threaded block 310 is restricted, thereby improving the stability of the abutment wheel 312 on the threaded block 310 during the sliding process.

[0033] The first drive assembly also includes a connecting plate 301 fixedly mounted on the mounting plate 2. A motor 302 is fixedly mounted on the connecting plate 301, and a rotating shaft 303 is fixedly mounted on the output end of the motor 302. A first gear 304 is fixedly mounted on the circumference of the rotating shaft 303, and a second gear 306 meshing with the first gear 304 is fixedly mounted on the circumference of one of the rotating cylinders 305. By utilizing the motor 302, the rotating shaft 303 can rotate under the action of the motor 302. Therefore, by utilizing the interaction between the first gear 304 and the second gear 306, one of the rotating cylinders 305 on the mounting plate 2 can be driven to rotate. By utilizing the interaction between the two pulleys 307 and the belt 308, both rotating cylinders 305 on the mounting plate 2 can be driven to rotate synchronously, thereby driving the grippers 316 on the two connecting plates 301 to rotate synchronously.

[0034] The second drive assembly includes an electric push rod 401 fixedly mounted on the base 1. A drive seat 402 is fixedly mounted on the output end of the electric push rod 401. A third gear 403 is rotatably mounted on the drive seat 402. Racks 405 that mesh with the third gear 403 are fixedly mounted on both lifting frames 404. The two racks 405 are respectively located on both sides of the third gear 403. By utilizing the electric push rod 401, the third gear 403 on the drive seat 402 can drive the two lifting frames 404 on the base 1 to slide vertically. When the gripper 316 on one of the lifting frames contacts the object, as the drive seat 402 continues to slide, the third gear 403 on the drive seat 402 rotates. Through the interaction between the third gear 403 and the rack 405, the other lifting frame is driven to slide vertically continuously. This enables the grippers 316 on the two lifting frames 404 to perform gripping operations on objects of different heights, allowing the entire robotic arm to adapt to objects of different heights and improving the adaptability and practicality of the entire robotic arm.

[0035] Four guide rails 406 are fixedly installed on the base 1. The four guide rails 406 are arranged in pairs, and the two lifting frames 404 are slidably mounted on the two sets of guide rails 406 respectively. By using the guide rails 406, the vertical sliding direction of the lifting frame 404 can be restricted, thereby ensuring the stability of the lifting frame 404 during vertical sliding.

[0036] A support plate 407 is fixedly installed on the base 1. A buffer block 408 is provided on the bottom surface of the support plate 407, and the buffer block 408 movably abuts against the lifting frame 404. By using the buffer block 408, when the two lifting frames 404 are raised to a certain height, the top of the lifting frame 404 abuts against the buffer block 408, thereby limiting the lifting height of the two lifting frames 404 and thus providing protection for the lifting frames 404.

[0037] A limiting rod 410 is slidably inserted into the support plate 407. One end of the limiting rod 410 is fixedly connected to the buffer block 408, and a spring 409 is sleeved on the circumference of the limiting rod 410. The two ends of the spring 409 are fixedly connected to the support plate 407 and the buffer block 408, respectively. By utilizing the spring 409, after the lifting frame 404 is raised to a certain height, the lifting frame 404 can compress the buffer block 408, thereby compressing the spring 409 and achieving a buffering effect on the lifting frame 404, thus further improving the protective effect of the lifting frame 404.

[0038] Working principle: By utilizing the motor 302, the rotating shaft 303 can rotate under the action of the motor 302. Therefore, by utilizing the interaction between the first gear 304 and the second gear 306, one of the rotating cylinders 305 on the mounting plate 2 can be driven to rotate. By utilizing the interaction between the two pulleys 307 and the belt 308, the two rotating cylinders 305 on the mounting plate 2 can be driven to rotate synchronously, which in turn drives the grippers 316 on the two connecting plates 301 to rotate synchronously.

[0039] By utilizing the electric push rod 401, the third gear 403 on the drive seat 402 can drive the two lifting frames 404 on the base 1 to slide vertically. When the gripper 316 on one of the lifting frames contacts an object, the continuous output of the electric push rod 401 to the drive seat 402 causes the third gear 403 on the drive seat 402 to rotate. Through the interaction between the third gear 403 and the rack 405, the other lifting frame is driven to slide vertically continuously, thus enabling the two lifting frames to slide vertically. The gripper 316 on the lifting frame 404 can grip objects of different heights, making the entire robotic arm adaptable to objects of different heights, thus improving the adaptability and practicality of the entire robotic arm. By using the spring 409, after the lifting frame 404 is raised to a certain height, it can compress the buffer block 408, thereby compressing the spring 409 and thus buffering the lifting frame 404, further improving the protection of the lifting frame 404.

[0040] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0041] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A dual-axis synchronous drive robotic arm, comprising a base (1), characterized in that: An mounting plate (2) is fixedly installed on the base (1). Two connecting seats (315) are provided on the bottom surface of the mounting plate (2). The two connecting seats (315) are rotatably mounted on the bottom surface of the mounting plate (2) by the first driving component. A gripper (316) is fixedly installed on the bottom surface of the two connecting seats (315). Two lifting frames (404) are provided on the base (1), which are vertically slidably mounted on the base (1) by a second drive assembly, and the two connecting seats (315) are respectively rotatably mounted on the two lifting frames (404).

2. The dual-axis synchronous drive robotic arm according to claim 1, characterized in that: The first drive assembly includes a rotating cylinder (305) rotatably mounted on the mounting plate (2), and pulleys (307) are fixedly mounted on the circumferential surfaces of the two rotating cylinders (305), and the two pulleys (307) are connected by a belt (308). Both rotating cylinders (305) have a sliding rod (314) that slides axially inside. The bottom end of the sliding rod (314) is fixedly installed on the top surface of the connecting seat (315), and the sliding rod (314) is rotatably mounted on the lifting frame (404).

3. The dual-axis synchronous drive robotic arm according to claim 2, characterized in that: A screw (309) is rotatably mounted on the mounting plate (2). A threaded block (310) is threadedly connected to the circumferential surface of the screw (309). A rotating seat (311) is rotatably mounted on the threaded block (310). An abutment wheel (312) is fixedly mounted on the top surface of the rotating seat (311). The abutment wheel (312) is movably abutted against the belt (308).

4. A dual-axis synchronous drive robotic arm according to claim 3, characterized in that: The first drive assembly further includes a connecting plate (301) fixedly mounted on the mounting plate (2), a motor (302) fixedly mounted on the connecting plate (301), a rotating shaft (303) fixedly mounted on the output end of the motor (302), a first gear (304) fixedly mounted on the circumferential surface of the rotating shaft (303), and a second gear (306) meshing with the first gear (304) fixedly mounted on the circumferential surface of one of the rotating cylinders (305).

5. A dual-axis synchronous drive robotic arm according to claim 2, characterized in that: The second drive assembly includes an electric push rod (401) fixedly mounted on a base (1). A drive seat (402) is fixedly mounted on the output end of the electric push rod (401). A third gear (403) is rotatably mounted on the drive seat (402). A rack (405) meshing with the third gear (403) is fixedly mounted on each of the two lifting frames (404). The two racks (405) are respectively located on both sides of the third gear (403).

6. A dual-axis synchronous drive robotic arm according to claim 5, characterized in that: Four guide rails (406) are fixedly installed on the base (1). The four guide rails (406) are arranged in pairs, and the two lifting frames (404) are slidably arranged on the two sets of guide rails (406).

7. A dual-axis synchronous drive robotic arm according to claim 6, characterized in that: A support plate (407) is fixedly installed on the base (1), and a buffer block (408) is provided on the bottom surface of the support plate (407). The buffer block (408) is movably abutted against the lifting frame (404).

8. A dual-axis synchronous drive robotic arm according to claim 7, characterized in that: A limiting rod (410) is slidably inserted on the support plate (407). One end of the limiting rod (410) is fixedly connected to the buffer block (408), and a spring (409) is sleeved on the circumferential surface of the limiting rod (410). The two ends of the spring (409) are fixedly connected to the support plate (407) and the buffer block (408) respectively.

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