High-stability mechanical articulated arm bearing table

By setting a rotating transmission slide plate and oblique guide on the mechanical joint arm carrier table, combined with a pressure relief pump and a return spring, the sliding and shaking problems of the robotic arm when clamping objects is solved, and the stable clamping and angle adjustment of the equipment is achieved.

CN223115253UActive Publication Date: 2025-07-18SUZHOU JIEMA PRECISION HARDWARE TECH CO LTD
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Patent Information

Application Number
CN202422395125.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-30
Publication Date
2025-07-18
Estimated Expiration
2034-09-30

AI Technical Summary

Technical Problem

Existing robotic arms tend to slip and not clamp when clamping objects, causing the device to shake, which in turn causes the material to fall off and damage.

Method used

A high-stability mechanical joint arm bearing table is designed. By setting a rotating transmission slide plate on the outer wall of the steering shaft, and using a driving motor to drive the oblique guide frame, combined with the sliding connection of the buffer arm shell, adjust the angle of the clamp arm to enhance the stability of the equipment; at the same time, a pressure relief pump and return spring are arranged in the clamper shell to enhance the clamping stability.

Benefits of technology

It effectively avoids equipment damage and shaking caused by improper angle adjustment, enhances the stability of clamping materials, and prevents the problem of inability to reset after clamping arms.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of mechanical articulated arms, and discloses a high-stability mechanical articulated arm bearing table which comprises a table top and a rotating transmission sliding disc, the top of the table top is fixedly connected with a connecting table, the side, away from the table top, of the connecting table is fixedly connected with a steering shaft, and the outer wall of the steering shaft is provided with an inner limiting ring; the outer wall of the inner limiting ring is fixedly connected with a plurality of connecting columns. According to the high-stability mechanical articulated arm bearing table, a rotary transmission sliding disc is arranged on the outer wall of a steering shaft, so that the stability of equipment can be effectively guaranteed when the equipment is subjected to angle adjustment, and when the equipment works, a supporting rod is driven by a driving motor to drive an inclined guide frame, and through the sliding connection effect between the inclined guide frame and a buffer arm shell, the stability of the equipment is improved. The angle of the clamping arm can be adjusted, and therefore the situation that when equipment works, the equipment is damaged due to the fact that the angle interval adjusting angle is large, and the whole equipment shakes due to equipment rotation can be effectively avoided.
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Description

Technical Field

[0001] The utility model relates to the technical field of mechanical articulated arms, in particular to a high-stability mechanical articulated arm bearing platform. Background Technique

[0002] A robotic arm refers to a high-precision, high-speed dispensing robot arm. A robotic arm is a complex system with multiple inputs and outputs, highly nonlinear, and strongly coupled; due to its unique operation flexibility, it has been widely used in industrial assembly, safety explosion protection and other fields.

[0003] In the prior art, most industrialized institutions mostly use robotic arms to clamp and transfer mechanical parts. When the robotic arm clamps, the clamped object is prone to slipping and it is not easy to clamp the object, resulting in the overall device being prone to shaking during the operation of the robotic arm. Furthermore, the materials clamped by the device are also prone to damage due to falling off. Therefore, a high-stability mechanical articulated arm bearing platform is proposed. Content of the Utility Model

[0004] The utility model provides the following technical solution: A high-stability mechanical articulated arm bearing platform, including a tabletop and a rotating transmission sliding disc. A connecting platform is fixedly connected to the top of the tabletop. A steering shaft is fixedly connected to the side of the connecting platform away from the tabletop. An inner limiting ring is arranged on the outer wall of the steering shaft. A plurality of connecting columns are fixedly connected to the outer wall of the inner limiting ring, and the plurality of connecting columns are circumferentially and arrayed on the outer wall of the inner limiting ring. The connecting column is fixedly connected to an outer connecting ring on the side away from the inner limiting ring. An extension arm is fixedly connected to the outer wall of the outer connecting ring. A driving motor is fixedly connected to the outer wall of the extension arm. A chute is opened on the inner wall of the extension arm. A slider is arranged on the inner wall of the chute, and the chute is slidably connected with the slider. The slider is fixedly connected to a support rod on the side away from the extension arm. The support rod is fixedly connected to an oblique guiding frame on the side away from the slider.

[0005] As a preferred technical solution of the utility model, a fixed end is fixedly connected to the side of the steering shaft away from the connecting platform. A buffer connecting arm is arranged on the inner wall of the fixed end. A connecting shaft is arranged on the outer wall of the fixed end, and the fixed end is rotatably connected with the buffer connecting arm.

[0006] As a preferred technical solution of the utility model, the fixed end is rotatably connected with the buffer arm housing. An expansion rod is arranged on the inner wall of the buffer arm housing. A buffer spring is sleeved on the outer wall of the expansion rod. The expansion rod is fixedly connected to a first telescopic arm on the side away from the buffer arm housing. A second telescopic arm is arranged on the outer wall of the first telescopic arm.

[0007] As a preferred technical solution of the present utility model, a third telescopic arm is fixedly connected to one side of the second telescopic arm away from the first telescopic arm. A reinforcing rib is fixedly connected to the outer wall of the third telescopic arm. A hydraulic pump is provided on the outer wall of the third telescopic arm, and a clamping mechanism is provided on the side of the third telescopic arm away from the hydraulic pump.

[0008] As a preferred technical solution of the present utility model, support legs are fixedly connected to the bottom of the tabletop. The number of the support legs is four, and they are symmetrically distributed at the bottom of the tabletop.

[0009] As a preferred technical solution of the present utility model, a gripper housing is provided on the outer wall of the third telescopic arm. A transmission pump shaft is sleeved on the inner wall of the gripper housing. One end of the transmission pump shaft is fixedly connected to a hydraulic pump. A gripper placement table is fixedly connected to the side of the transmission pump shaft away from the hydraulic pump. A pressure relief spring is sleeved on the outer wall of the transmission pump shaft. A clamping arm is provided on the outer wall of the gripper placement table, and the gripper placement table is rotatably connected to the clamping arm. A guiding force shaft is fixedly connected to the outer wall of the clamping arm. A return spring is sleeved on the outer wall of the guiding force shaft. A pressure relief pump is fixedly connected to the side of the guiding force shaft away from the clamping arm.

[0010] Compared with the prior art, the present utility model has the following beneficial effects:

[0011] 1. For this high-stability mechanical articulated arm carrier, a rotating transmission sliding disk is provided on the outer wall of the steering shaft, so that when the device adjusts the angle, the stability of the device can be effectively guaranteed. And when the device is working, the driving motor drives the support rod to drive the inclined guide frame, and through the sliding connection between the inclined guide frame and the buffer arm housing, the angle of the clamping arm can be adjusted, thereby effectively avoiding damage to the device caused by a large angle adjustment interval during the operation of the device and the overall shaking of the device caused by rotation.

[0012] 2. For this high-stability mechanical articulated arm carrier, by providing a pressure relief pump and a return spring on the inner wall of the gripper housing, when the device clamps and fixes the material, the pressure relief pump can enhance the connection stability between the guiding force shafts, so that when the device clamps the material, the clamping stability of the device is enhanced, and the return spring can effectively avoid the problem that the guiding force shaft cannot return after being tightened. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a three-dimensional structural schematic diagram of a high-stability mechanical articulated arm carrier;

[0014] Figure 2 It is a structural schematic diagram of the steering shaft in a high-stability mechanical articulated arm carrier;

[0015] Figure 3 It is a schematic structural diagram of a rotating transmission sliding disk in a high-stability mechanical articulated arm carrier table;

[0016] Figure 4 It is a schematic structural diagram of a buffer connecting arm in a high-stability mechanical articulated arm carrier table;

[0017] Figure 5 It is a schematic structural diagram of a clamping mechanism in a high-stability mechanical articulated arm carrier table.

[0018] In the figure: 1, tabletop; 2, support leg; 3, connecting platform; 4, rotating transmission sliding disk; 41, inner limit ring; 42, connecting column; 43, outer connecting ring; 44, extension arm; 45, driving motor; 46, chute; 47, slider; 48, support rod; 49, oblique guide frame; 5, fixed end; 6, connecting shaft; 7, buffer connecting arm; 71, buffer arm housing; 72, telescopic rod; 73, buffer spring; 8, first telescopic arm; 9, second telescopic arm; 10, third telescopic arm; 11, reinforcing rib; 12, hydraulic pump; 13, clamping mechanism; 131, gripper housing; 132, transmission pump shaft; 133, pressure relief spring; 134, gripper placement table; 135, gripper arm; 136, pressure relief pump; 137, force guiding shaft; 138, return spring; 14, steering shaft. Specific embodiments

[0019] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0020] Please refer to Figures 1-4, A highly stable mechanical articulated arm bearing platform, including a tabletop 1 and a rotating transmission sliding disk 4. A connecting platform 3 is fixedly connected to the top of the tabletop 1. On the side of the connecting platform 3 away from the tabletop 1, a steering shaft 14 is fixedly connected. An inner limit ring 41 is provided on the outer wall of the steering shaft 14. A plurality of connecting columns 42 are fixedly connected to the outer wall of the inner limit ring 41, and the plurality of connecting columns 42 are circumferentially arranged on the outer wall of the inner limit ring 41. On the side of the connecting column 42 away from the inner limit ring 41, an outer connecting ring 43 is fixedly connected. An extension arm 44 is fixedly connected to the outer wall of the outer connecting ring 43. A driving motor 45 is fixedly connected to the outer wall of the extension arm 44. A sliding groove 46 is opened on the inner wall of the extension arm 44. A sliding block 47 is provided on the inner wall of the sliding groove 46, and the sliding groove 46 is slidably connected to the sliding block 47. On the side of the sliding block 47 away from the extension arm 44, a support rod 48 is fixedly connected. On the side of the support rod 48 away from the sliding block 47, an inclined guide frame 49 is fixedly connected. Among them, a rotating transmission sliding disk 4 is arranged on the outer wall of the steering shaft 14, so that when the device makes an angle adjustment, the stability of the device can be effectively guaranteed. And when the device is working, the driving motor 45 drives the support rod 48 to drive the inclined guide frame 49, and through the sliding connection between the inclined guide frame 49 and the buffer arm housing 71, the angle of the clamping arm can be adjusted, thereby effectively avoiding damage to the device caused by a large angle interval adjustment during the operation of the device and the shaking of the whole device caused by the rotation of the device. On the side of the steering shaft 14 away from the connecting platform 3, a fixed end 5 is fixedly connected. A buffer connecting arm 7 is provided inside the fixed end 5. A connecting shaft 6 is provided on the outer wall of the fixed end 5, and the fixed end 5 is rotatably connected to the buffer connecting arm 7. Among them, the connecting shaft 6 can guarantee the stability of its connection when the fixed end 5 is connected to the buffer arm housing 71, and can also effectively avoid the separation between the buffer arm housing 71 and the fixed end 5 during the operation of the device. The fixed end 5 is rotatably connected to the buffer arm housing 71. A telescopic rod 72 is provided inside the buffer arm housing 71. A buffer spring 73 is sleeved on the outer wall of the telescopic rod 72. On the side of the telescopic rod 72 away from the buffer arm housing 71, a first telescopic arm 8 is fixedly connected. A second telescopic arm 9 is provided on the outer wall of the first telescopic arm 8. On the side of the second telescopic arm 9 away from the first telescopic arm 8, a third telescopic arm 10 is fixedly connected. A reinforcing rib 11 is fixedly connected to the outer wall of the third telescopic arm 10. A hydraulic pump 12 is provided on the outer wall of the third telescopic arm 10, and a clamping mechanism 13 is provided on the side of the third telescopic arm 10 away from the hydraulic pump 12. Among them, the reinforcing rib 11 is arranged on the outer wall of the third telescopic arm 10, so that when the device is working, the reinforcing rib 11 can effectively relieve the pressure received by the third telescopic arm 10, thereby effectively improving the stability of the device structure. Support legs 2 are fixedly connected to the bottom of the tabletop 1. The number of the support legs 2 is four, and they are symmetrically distributed at the bottom of the tabletop 1. Among them, the support legs 2 can provide a stable supporting force for the device during the operation of the device and can guarantee the stable operation of the device during the operation of the device.The outer wall of the third telescopic arm 10 is provided with a gripper housing 131. The inner wall of the gripper housing 131 is sleeved with a transfer pump shaft 132. One end of the transfer pump shaft 132 is fixedly connected with a hydraulic pump 12. The transfer pump shaft 132 is fixedly connected with a gripper mounting table 134 on the side away from the hydraulic pump 12. A pressure relief spring 133 is sleeved on the outer wall of the transfer pump shaft 132. The outer wall of the gripper mounting table 134 is provided with a gripper arm 135, and the gripper mounting table 134 is rotatably connected with the gripper arm 135. The outer wall of the gripper arm 135 is fixedly connected with a force guiding shaft 137. A return spring 138 is sleeved on the outer wall of the force guiding shaft 137. The force guiding shaft 137 is fixedly connected with a pressure relief pump 136 on the side away from the gripper arm 135. Among them, the pressure relief pump 136 and the return spring 138 are arranged on the inner wall of the gripper housing 131, so that when the device grabs and fixes the material, the pressure relief pump 136 can enhance the connection stability between the force guiding shafts 137, and the return spring 138 can effectively prevent the problem that the force guiding shaft 137 cannot return after being tightened.

[0021] Working principle: When the device needs to be used, after the worker moves the device to a suitable position, the device is controlled through a remote control system, so that after the drive motor 45 receives the signal control, it can control the slider 47 to slide in the chute 46 and drive the oblique guide frame 49 to move, so that the device can adjust the extension angle of the buffer arm housing 71. After the angle adjustment is completed, the hydraulic pump 12 can drive the transfer pump shaft 132 to drive the gripper mounting table 134 to lift in the gripper housing 131, and by venting the pressure relief pump 136, the rotation of 135 becomes loose. After the object block is fixed, the pressure relief pump 136 starts to inhale air for fastening to grab the object block.

[0022] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A highly stable mechanical articulated arm carrier table, comprising a tabletop (1) and a rotating transmission sliding disk (4), characterized in that: A connecting platform (3) is fixedly connected to the top of the desktop (1). A steering shaft (14) is fixedly connected to the side of the connecting platform (3) away from the desktop (1). An inner limiting ring (41) is provided on the outer wall of the steering shaft (14). A plurality of connecting columns (42) are fixedly connected to the outer wall of the inner limiting ring (41), and the plurality of connecting columns (42) are circumferentially and arrayedly distributed on the outer wall of the inner limiting ring (41). An outer connecting ring (43) is fixedly connected to the side of the connecting column (42) away from the inner limiting ring (41). An extension arm (44) is fixedly connected to the outer wall of the outer connecting ring (43). A driving motor (45) is fixedly connected to the outer wall of the extension arm (44). A chute (46) is formed in the inner wall of the extension arm (44). A slider (47) is provided on the inner wall of the chute (46), and the chute (46) is slidably connected to the slider (47). A support rod (48) is fixedly connected to the side of the slider (47) away from the extension arm (44). An inclined guiding frame (49) is fixedly connected to the side of the support rod (48) away from the slider (47).

2. The high-stability mechanical joint arm bearing platform according to claim 1, wherein: A fixed end (5) is fixedly connected to the side of the steering shaft (14) away from the connecting platform (3). A buffer connecting arm (7) is provided in the inner wall of the fixed end (5). A connecting shaft (6) is provided on the outer wall of the fixed end (5), and the fixed end (5) is rotatably connected to the buffer connecting arm (7).

3. The high-stability robotic articulated arm carrier according to claim 2, characterized in that: The fixed end (5) is rotatably connected to a buffer arm housing (71). An expansion rod (72) is provided in the inner wall of the buffer arm housing (71). A buffer spring (73) is sleeved on the outer wall of the expansion rod (72). A first telescopic arm (8) is fixedly connected to the side of the expansion rod (72) away from the buffer arm housing (71). A second telescopic arm (9) is provided on the outer wall of the first telescopic arm (8).

4. A high-stability mechanical articulated arm carrier according to claim 3, characterized in that: A third telescopic arm (10) is fixedly connected to the side of the second telescopic arm (9) away from the first telescopic arm (8). A reinforcing rib (11) is fixedly connected to the outer wall of the third telescopic arm (10). A hydraulic pump (12) is provided on the outer wall of the third telescopic arm (10), and a clamping mechanism (13) is provided on the side of the third telescopic arm (10) away from the hydraulic pump (12).

5. A highly stable mechanical articulated arm carrier table according to claim 1, characterized in that: Support legs (2) are fixedly connected to the bottom of the desktop (1). The number of the support legs (2) is four, and they are symmetrically distributed at the bottom of the desktop (1).

6. A highly stable mechanical articulated arm carrier according to claim 4, characterized in that: The outer wall of the third telescopic arm (10) is provided with a gripper housing (131). The inner wall of the gripper housing (131) is sleeved with a transfer pump shaft (132). One end of the transfer pump shaft (132) is fixedly connected to a hydraulic pump (12). The transfer pump shaft (132) is fixedly connected to a gripper mounting platform (134) on the side far from the hydraulic pump (12). A pressure relief spring (133) is sleeved on the outer wall of the transfer pump shaft (132). The outer wall of the gripper mounting platform (134) is provided with a gripper arm (135), and the gripper mounting platform (134) is rotatably connected to the gripper arm (135). The outer wall of the gripper arm (135) is fixedly connected to a force guiding shaft (137). A return spring (138) is sleeved on the outer wall of the force guiding shaft (137). The force guiding shaft (137) is fixedly connected to a return spring (138) on the side far from the gripper arm (135). The force guiding shaft (137) is fixedly connected to a pressure relief pump (136) on the side far from the gripper arm (135).