A tightening torque robot arm
Patent Information
- Application Number
- CN202522007505.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-09-18
- Publication Date
- 2026-09-08
- Estimated Expiration
- 2035-09-18
AI Technical Summary
[0004]为了解决上述技术问题,本实用新型提供一种拧紧扭矩机械臂,以解决现有的拧紧扭矩机械臂依然存在着无法快速更换不同型号的拧紧结构,无法精确的控制拧紧结构的位置和角度的问题
[0010] 1. This utility model adjusts the setting of the support arm, and realizes multi-directional rotation adjustment by adjusting the rotating seat. It works with the angle adjustment seat to complete the fine adjustment of the angle of the tightening structure, ensuring that the tightening head is accurately perpendicular to the working surface. Its clamping structure drives the paired clamping claws and auxiliary claws to rigidly clamp and engage the mounting seat, which not only ensures the efficient transmission of the drive motor torque, but also allows for quick replacement of tightening heads of different specifications.
Smart Images

Figure CN224725405U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of robotic arm technology, and in particular to a tightening torque robotic arm. Background Technology
[0002] In modern industrial production, bolted connections, as one of the most basic mechanical connection methods, directly affect the reliability and safety of products due to their assembly quality. Especially in high-end manufacturing sectors such as automobile manufacturing, aerospace, and heavy machinery, the torque accuracy requirements for bolt tightening are extremely stringent. Traditional manual tightening methods are no longer sufficient to meet the dual demands of modern industry for assembly quality and efficiency. However, existing tightening torque robotic arms still suffer from limitations such as the inability to quickly change between different tightening structures and the inability to precisely control the position and angle of the tightening structure.
[0003] Therefore, it is essential to invent a tightening torque robotic arm. Utility Model Content
[0004] To address the aforementioned technical problems, this utility model provides a tightening torque robotic arm, solving the issues that existing tightening torque robotic arms still suffer from the inability to quickly replace different models of tightening structures and the inability to precisely control the position and angle of the tightening structure. A tightening torque robotic arm includes a rotating base, a drive arm, a drive arm, an adjusting support arm, an adjusting motor, and a tightening structure. The drive arm is rotatably mounted on the surface of the rotating base, and the drive arm is rotatably mounted at one end of the drive arm. The adjusting support arm is rotatably mounted on one side of one end of the drive arm. The adjusting motor is fixedly mounted on the other side of one end of the drive arm, and the output shaft of the adjusting motor is connected to the adjusting support arm. The tightening structure is clamped and fixed at one end of the adjusting support arm.
[0005] The adjustment support arm includes an adjustment rotary seat, an angle adjustment seat, a clamping structure, a clamping claw, and an auxiliary clamping claw. The adjustment rotary seat is rotatably mounted on one side of one end of the drive arm and is connected to the output shaft of the adjustment motor. The angle adjustment seat is mounted on the surface of the adjustment rotary seat. The clamping structure is mounted on the surface of the angle adjustment seat, and the clamping claw is mounted inside the clamping structure. The auxiliary clamping claw is fixedly mounted on one side of the clamping claw.
[0006] The tightening structure includes a drive motor, a locking mounting base, an output shaft, and a tightening head. The locking mounting base is fixedly installed at the rear end of the drive motor, and the output shaft is rotatably installed at the front end inside the drive motor. The tightening head is fixedly installed at one end of the output shaft.
[0007] The clamping claws and auxiliary claws inside the adjustment support arm are each a pair, and the clamping claws and auxiliary claws can be slidably installed inside the locking mounting base, and the locking mounting base is clamped by the working clamping structure; the clamping claws and auxiliary claws can be rotated by the angle adjustment seat; the clamping claws and auxiliary claws can be adjusted in multiple directions by adjusting the rotating seat.
[0008] The tightening structure consists of several groups arranged on the support frame, and the tightening head of each group is of different size. The tightening structure can be connected to the adjusting support arm through the snap-fit mounting base. The output shaft can firmly clamp the tightening head, and the output shaft and the tightening head can be rotated by the drive motor.
[0009] Compared with the prior art, the present invention has the following beneficial effects:
[0010] 1. This utility model adjusts the setting of the support arm, and realizes multi-directional rotation adjustment by adjusting the rotating seat. It works with the angle adjustment seat to complete the fine adjustment of the angle of the tightening structure, ensuring that the tightening head is accurately perpendicular to the working surface. Its clamping structure drives the paired clamping claws and auxiliary claws to rigidly clamp and engage the mounting seat, which not only ensures the efficient transmission of the drive motor torque, but also allows for quick replacement of tightening heads of different specifications.
[0011] 2. The tightening structure of this utility model is designed so that the output shaft driven by the drive motor can rotate the replaceable tightening head to achieve precise torque output; its modular snap-fit mounting base can be quickly connected with the clamping system of the adjustment support arm, which can not only ensure the flexible replacement of tightening heads of different specifications, but also ensure the rigid connection of torque transmission. Attached Figure Description
[0012] Figure 1 This is a schematic diagram of the structure of this utility model.
[0013] Figure 2 This is a schematic diagram of the structure of the adjustable support arm of this utility model.
[0014] Figure 3 This is a schematic diagram of the tightening structure of this utility model.
[0015] Figure 4 This is a schematic diagram of the tightening structure placement rack of this utility model.
[0016] In the picture:
[0017] Rotating base 1, drive arm 2, drive arm 3, adjusting support arm 4, adjusting rotating base 41, angle adjusting base 42, clamping structure 43, clamping claw 44, auxiliary claw 45, adjusting motor 5, tightening structure 6, drive motor 61, locking mounting base 62, output shaft 63, tightening head 64. Detailed Implementation
[0018] To enable those skilled in the art to better understand the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort should fall within the protection scope of the present invention.
[0019] As attached Figure 1 To be continued Figure 4 As shown.
[0020] This utility model provides a tightening torque robotic arm, comprising a rotating base 1, a drive arm 2, a drive arm 3, an adjusting support arm 4, an adjusting motor 5, and a tightening structure 6, wherein: the drive arm 2 is rotatably mounted on the surface of the rotating base 1, and the drive arm 3 is rotatably mounted on one end of the drive arm 2; the adjusting support arm 4 is rotatably mounted on one side of one end of the drive arm 3; the adjusting motor 5 is fixedly mounted on the other side of one end of the drive arm 3, and the output shaft of the adjusting motor 5 is connected to the adjusting support arm 4 for transmission; the tightening structure 6 is clamped and fixed to one end of the adjusting support arm 4.
[0021] The adjustment support arm 4 includes an adjustment rotating base 41, an angle adjustment base 42, a clamping structure 43, a clamping claw 44, and an auxiliary clamping claw 45. The adjustment rotating base 41 is rotatably mounted on one side of one end of the drive arm 3 and is connected to the output shaft of the adjustment motor 5. The angle adjustment base 42 is mounted on the surface of the adjustment rotating base 41. The clamping structure 43 is mounted on the surface of the angle adjustment base 42, and the clamping claw 44 is mounted inside the clamping structure 43. The auxiliary clamping claw 45 is fixedly mounted on one side of the clamping claw 44.
[0022] The tightening structure 6 includes a drive motor 61, a locking mounting base 62, an output shaft 63, and a tightening head 64. The locking mounting base 62 is fixedly installed at the rear end of the drive motor 61, and the output shaft 63 is rotatably installed at the front end inside the drive motor 61. The tightening head 64 is fixedly installed at one end of the output shaft 63.
[0023] The clamping claws 44 and auxiliary claws 45 inside the adjustment support arm 4 are each a pair, and the clamping claws 44 and auxiliary claws 45 can be slidably installed inside the engaging mounting base 62, and the engaging mounting base 62 is clamped by the working clamping structure 43; the clamping claws 44 and auxiliary claws 45 can be rotated by the angle adjustment seat 42; the clamping claws 44 and auxiliary claws 45 can be adjusted in multiple directions by adjusting the rotating seat 41.
[0024] The tightening structure 6 consists of several groups arranged on the support frame, and the tightening head 64 of each group of the tightening structure 6 is of different size. The tightening structure 6 can be connected to the adjusting support arm 4 through the snap-fit mounting base 62. The output shaft 63 can firmly clamp the tightening head 64, and the output shaft 63 and the tightening head 64 can be rotated by the drive motor 61.
[0025] This tightening torque robotic arm achieves spatial positioning through the coordinated movement of the rotating base 1, the drive arm 2, and the drive forearm 3. The adjusting motor 5 drives the adjusting support arm 4 to precisely adjust the end effector's posture. The clamping structure 43 controls the clamping jaws 44 and auxiliary jaws 45 to firmly clamp the locking mounting base 62 of the tightening structure 6. The drive motor 61 drives the replaceable tightening head 64 to rotate via the output shaft 63, achieving high-precision torque output. The entire system adopts a modular design, enabling quick assembly and multi-specification compatibility. It can efficiently complete the precise tightening of various bolts, meeting the high-precision assembly requirements of industrial applications.
[0026] Any technical solution that achieves the above-mentioned technical effects by utilizing the technical solution described in this utility model, or by designing a similar technical solution inspired by the technical solution described in this utility model, falls within the protection scope of this utility model.
Claims
1. A tightening torque robot arm, characterized by: The device includes a rotating base (1), a drive arm (2), a drive arm (3), an adjusting support arm (4), an adjusting motor (5), and a tightening structure (6), wherein: the drive arm (2) is rotatably mounted on the surface of the rotating base (1), and the drive arm (3) is rotatably mounted on one end of the drive arm (2), and the adjusting support arm (4) is rotatably mounted on one side of one end of the drive arm (3); the adjusting motor (5) is fixedly mounted on the other side of one end of the drive arm (3), and the output shaft of the adjusting motor (5) is connected to the adjusting support arm (4) for transmission; the tightening structure (6) is clamped and fixed on one end of the adjusting support arm (4).
2. A torque-controlled robotic arm as claimed in claim 1, wherein: The adjustment support arm (4) includes an adjustment rotating seat (41), an angle adjustment seat (42), a clamping structure (43), a clamping claw (44), and an auxiliary claw (45). The adjustment rotating seat (41) is rotatably mounted on one side of one end of the drive arm (3) and is connected to the output shaft of the adjustment motor (5). The angle adjustment seat (42) is mounted on the surface of the adjustment rotating seat (41). The clamping structure (43) is mounted on the surface of the angle adjustment seat (42), and the clamping claw (44) is mounted inside the clamping structure (43). The auxiliary claw (45) is fixedly mounted on one side of the clamping claw (44).
3. A torque-controlled robotic arm as claimed in claim 1, wherein: The tightening structure (6) includes a drive motor (61), a locking mounting base (62), an output shaft (63), and a tightening head (64). The locking mounting base (62) is fixedly installed at the rear end of the drive motor (61), and the output shaft (63) is rotatably installed at the front end inside the drive motor (61). The tightening head (64) is fixedly installed at one end of the output shaft (63).
4. A torque-controlled robotic arm as claimed in claim 2, wherein: The adjusting support arm (4) has a pair of clamping claws (44) and auxiliary claws (45) inside, and the clamping claws (44) and auxiliary claws (45) can be slidably installed inside the locking mounting base (62) and clamp the locking mounting base (62) through the working clamping structure (43); the clamping claws (44) and auxiliary claws (45) can be rotated by the angle adjusting seat (42); the clamping claws (44) and auxiliary claws (45) can be adjusted in multiple directions by the adjusting rotating seat (41).
5. A torque-controlled robotic arm as claimed in claim 3, wherein: The tightening structure (6) consists of several groups arranged on the support frame, and the tightening head (64) of each group of the tightening structure (6) has a different size. The tightening structure (6) can be connected to the adjusting support arm (4) through the snap-fit mounting base (62). The output shaft (63) can firmly clamp the tightening head (64), and the output shaft (63) and the tightening head (64) can be rotated by the drive motor (61).