Clamping manipulator based on metal crank machining
By designing the combined structure of arc-shaped and right-angle clamping plates and the coordination of threaded blocks and bolts, the problem of the existing robots' installation position fixed and clamping in crank processing is solved, and flexible clamping and position adjustment of metal cranks is achieved, and processing efficiency is improved.
Patent Information
- Application Number
- CN202422015157.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-19
- Publication Date
- 2025-08-26
- Estimated Expiration
- 2034-08-19
AI Technical Summary
The existing robots are fixed in the installation position when processing cranks, which is inconvenient to move and adjust, and the clamping of different crank structures is not firm enough, especially the clamping effect of the arc-shaped clamping plate is poor.
A clamping robot based on metal crank processing is designed, and a combined structure of arc clamping plate and right-angle clamping plate is adopted. Through the cooperation of threaded blocks and bolts, the position movement adjustment is achieved, through the cooperation of the support base and the threaded rod.
It realizes flexible clamping of cranks of different shapes, improves processing efficiency and operational convenience, and can quickly adjust the clamping position and shape as needed.
Smart Images

Figure CN223265686U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of crank clamping manipulators, in particular to a clamping manipulator based on metal crank processing. Background Art
[0002] The crank is a bicycle accessory, and a loose crank often makes a rattling sound. To check for crank problems, first turn the crank to a horizontal position, simultaneously press down firmly on both sides, then rotate the crank 180 degrees and repeat the same motion. If the crank wobble, tighten the crank bolts. This inspection should be performed regularly on new bicycle cranks.
[0003] The crank in the prior art can be conveniently clamped and provided with a position for movement or welding and polishing operations through a robot structure during the processing process. The robot structure replaces manual operation, is efficient and easy to operate, but the installation position of the existing robot is relatively fixed, which is not convenient for movement and adjustment. At the same time, the arc-shaped clamping plate used for different crank structures has relatively poor firmness and is not convenient for replacement of the clamping structure. Utility Model Content
[0004] The purpose of the utility model is to provide a clamping robot based on metal crank processing. The arc-shaped clamping plate clamps the arc-shaped metal crank, which can facilitate processing operations. Subsequently, when the long metal crank is clamped, a right-angle clamping plate structure can be used to complete the clamping operation. At this time, one end of the right-angle clamping plate is plugged into the threaded block and fastened by the thread of the bolt.
[0005] To achieve the above-mentioned purpose, a clamping robot based on metal crank processing is provided, comprising: a support base, a robot arm is arranged above the support base, a driving motor is provided at each rotation position of the robot arm, a second motor is provided at the operating end of the robot arm, the driving end of the second motor is fixedly connected to a fixing frame, a first threaded rod is rotatably connected to one side of the interior of the fixing frame, threaded blocks are threadedly connected to both sides of the middle part of the first threaded rod, and the threads on both sides of the first threaded rod are opposite threads;
[0006] Both ends of the bottom of the support base are fixedly connected with threaded moving blocks, the internal thread of the threaded moving block on one side is penetrated by a second threaded rod, and a through hole is opened inside the threaded moving block on the other side, and a sliding rod is penetrated inside the through hole.
[0007] According to the clamping robot based on metal crank processing, a mounting groove is provided in the middle of the lower end of the threaded block.
[0008] According to the clamping robot based on metal crank processing, an arc-shaped clamping plate or a right-angle clamping plate can be inserted into the interior of the installation groove.
[0009] According to the clamping manipulator based on metal crank processing, a bolt is threaded through one side of the threaded block. The middle of the bottom end of the arc-shaped clamping plate and the right-angle clamping plate are both provided with a threaded hole, and the bolt and the threaded hole are threadedly matched.
[0010] According to the clamping robot based on metal crank processing, one end of the fixing frame is fixedly connected to the third motor, and the driving end of the third motor is fixedly connected to the first threaded rod.
[0011] According to the clamping robot based on metal crank processing, the other side of the threaded block is slidably matched with a limiting sliding rod.
[0012] According to the clamping robot based on metal crank processing, one end of the right-angle clamping plate or the arc-shaped clamping plate is plugged into and matched with the installation groove.
[0013] Compared with the prior art, the beneficial effects of the present invention are:
[0014] 1. The utility model is provided with a threaded block, an arc-shaped clamping plate, a right-angle clamping plate and a bolt. The threaded block is close to the middle, and the arc-shaped clamping plate clamps the arc-shaped metal crank, which can facilitate processing operations. Subsequently, when the long metal crank is clamped, the right-angle clamping plate structure can be used to complete the clamping operation. At this time, one end of the right-angle clamping plate is plugged into the threaded block and fastened by the thread of the bolt to achieve convenient installation operation.
[0015] 2. The utility model is provided with a support base, a second threaded rod and a threaded moving block. By installing the support base on the outside of the second threaded rod and cooperating with the threaded moving block, the position movement is completed, which can facilitate lateral movement and adjustment as needed.
[0016] Additional aspects and advantages of the present invention will be given in part in the following description and will become apparent from the following description or learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] The present invention will be further described below with reference to the accompanying drawings and embodiments;
[0018] Figure 1 This is a three-dimensional structural diagram of a clamping manipulator based on metal crank processing in the utility model;
[0019] Figure 2 This is a disassembled diagram of the right-angle clamping plate and threaded block of a clamping manipulator based on metal crank processing in the utility model;
[0020] Figure 3 For this utility model Figure 1 A magnified view of point A in the figure;
[0021] Figure 4 This is a disassembled diagram of the support base and the second threaded rod of a clamping robot based on metal crank processing in the utility model.
[0022] In the figure: 1. Support base; 2. Drive motor; 3. Robot arm; 4. Fixed bracket; 5. Second motor; 6. Bolt; 7. Threaded hole; 8. Right-angle clamping plate; 9. Mounting slot; 10. Third motor; 11. First threaded rod; 12. Threaded block; 13. Arc clamping plate; 14. Second threaded rod; 15. Threaded moving block. DETAILED DESCRIPTION
[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the utility model.
[0024] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings and are only used to facilitate the description of the present invention and simplify the description. They do not indicate or imply that the devices or components referred to must have a specific direction, be constructed and operate in a specific direction. Therefore, they should not be understood as limiting the present invention. The terms "first", "second", and "third" are used for descriptive purposes only and should not be understood as indicating or implying relative importance. In addition, unless otherwise expressly specified or limited, the terms "installed", "connected", and "connected" should be understood in a broad sense. For example, they can be fixedly connected, detachably connected, or integrally connected; they can be mechanically connected or electrically connected; they can be directly connected or indirectly connected through an intermediate medium, or they can be internal communication between two components. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0025] See also Figure 1-4The present invention provides a technical solution: a clamping robot based on metal crank processing, which includes: a supporting base 1, a mechanical arm 3 is arranged above the supporting base 1, and the mechanical arm 3 structure can realize angular rotation. When the arc-shaped metal crank needs to be clamped, the arc-shaped clamping block 13 is at the outside of the arc crank, and the rotation position of the mechanical arm 3 is provided with a driving motor 2, and the operating end of the mechanical arm 3 is provided with a second motor 5, and the driving end of the second motor 5 is fixedly connected to the fixing frame 4. One side of the interior of the fixing frame 4 is rotatably connected to the first threaded rod 11, and the middle two sides of the first threaded rod 11 are threadedly connected to the threaded block 12, and the threads on both sides of the first threaded rod 11 are oppositely threaded. A mounting groove 9 is opened in the middle of the lower end of the threaded block 12, and an arc-shaped clamping plate 13 or a right-angle clamping plate 8 can be inserted into the interior of the mounting groove 9. The arc-shaped clamping plate 13 can clamp the arc-shaped metal crank, which can facilitate processing operation, and a bolt 6 is passed through one side of the threaded block 12. The middle part of the bottom end of the arc-shaped clamping plate 13 and the right-angle clamping plate 8 is provided with a threaded hole 7, and the bolt 6 and the threaded hole 7 are threadedly matched. One end of the right-angle clamping plate 8 is plugged into the threaded block 12 and fastened by the thread of the bolt 6 to achieve convenient installation operation. The other side of the threaded block 12 is slidably matched with the limit slide rod;
[0026] Both ends of the bottom of the support base 1 are fixedly connected with a threaded moving block 15. The support base 1 is installed on the outside of the second threaded rod 14 and cooperated with the threaded moving block 15 to complete the movement of the position. The internal thread of the threaded moving block 15 on one side passes through the second threaded rod 14, and a through hole is opened inside the threaded moving block 15 on the other side. The interior of the through hole is penetrated by a sliding rod. One end of the fixed frame 4 is fixedly connected to the third motor 10, which is driven by the third motor 10 to rotate the first threaded rod 11. The first threaded rod 11 and the threaded block 12 are threadedly matched. At the same time, since the first threaded rod 11 is set with opposite threads, the threaded block 12 can be approached to the middle. The driving end of the third motor 10 is fixedly connected to the first threaded rod 11, and one end of the right-angle clamping plate 8 or the arc clamping plate 13 is plugged into the mounting groove 9.
[0027] Working principle: When in use, first install the support base 1 on the outside of the second threaded rod 14, and cooperate with the threaded moving block 15 to complete the movement of the position, which can facilitate lateral movement and adjustment as needed. Then, the angle rotation can be achieved through the mechanical arm 3 structure. When the arc-shaped metal crank needs to be clamped, the arc clamping block 13 is on the outside of the arc crank. Then, the third motor 10 is driven to rotate the first threaded rod 11, and the first threaded rod 11 and the threaded block 12 are threadedly matched. At the same time, since the first threaded rod 11 is set with opposite threads, the threaded block 12 can be approached to the middle, and the arc-shaped clamping plate 13 clamps the arc-shaped metal crank, which can facilitate processing operations. Then, when the long metal crank is clamped, the right-angle clamping plate 8 structure can be used to complete the clamping operation. At this time, one end of the right-angle clamping plate 8 is plugged into and matched with the threaded block 12, and fastened by the thread of the bolt 6 to achieve convenient installation operation.
[0028] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.
Claims
1. A clamping manipulator based on metal crank processing, comprising: A support base (1), characterized in that a mechanical arm (3) is provided above the support base (1), a driving motor (2) is provided at the rotation position of the mechanical arm (3), a second motor (5) is provided at the operating end of the mechanical arm (3), a driving end of the second motor (5) is fixedly connected to a fixing frame (4), a first threaded rod (11) is rotatably connected to an inner side of the fixing frame (4), both sides of the middle of the first threaded rod (11) are threadedly connected to thread blocks (12), and the threads on both sides of the first threaded rod (11) are opposite threads; Both ends of the bottom of the support base (1) are fixedly connected with threaded moving blocks (15), the internal thread of the threaded moving block (15) on one side is penetrated by a second threaded rod (14), and a through hole is opened inside the threaded moving block (15) on the other side, and a sliding rod is penetrated inside the through hole.
2. A clamping manipulator based on metal crank processing as claimed in claim 1, characterized in that: A mounting groove (9) is provided in the middle of the lower end of the threaded block (12).
3. A clamping manipulator based on metal crank processing as claimed in claim 2, characterized in that: An arc-shaped clamping plate (13) or a right-angle clamping plate (8) can be inserted into the interior of the installation groove (9).
4. A clamping manipulator based on metal crank processing as claimed in claim 3, characterized in that: A bolt (6) is threaded through one side of the threaded block (12), and threaded holes (7) are provided in the middle of the bottom ends of the arc-shaped clamping plate (13) and the right-angle clamping plate (8), and the bolt (6) and the threaded hole (7) are threadedly matched.
5. The clamping robot based on metal crank processing according to claim 1, characterized in that: One end of the fixing frame (4) is fixedly connected to a third motor (10), and a driving end of the third motor (10) is fixedly connected to a first threaded rod (11).
6. The clamping robot based on metal crank processing according to claim 1, characterized in that: The other side of the threaded block (12) is slidably matched with a limiting sliding rod.
7. The clamping robot based on metal crank processing according to claim 3, characterized in that: One end of the right-angle clamping plate (8) or the arc-shaped clamping plate (13) is plugged into and matched with the mounting groove (9).