Mechanical arm for bearing polishing

Abstract

The utility model discloses a mechanical arm for bearing polishing, which belongs to the technical field of mechanical arms and comprises a bottom plate, the top of the bottom plate is fixedly connected with two fixing plates, one fixing plate is hinged with a protective door, the other fixing plate is provided with a limiting hole, the inside of the protective door is slidably connected with a limiting rod, and the limiting rod is connected with the bottom of the bottom plate. A spring is arranged in the protective door, one end of the spring is fixedly connected to the protective door, the other end of the spring is fixedly connected to a limiting rod, and a handle is fixedly connected to the limiting rod. According to the mechanical arm for bearing polishing, by arranging a limiting rod, a handle, a spring, a protection door protection frame and a limiting hole, the mechanical arm body is protected through the protection door and the three protection frames, personnel are prevented from making contact with the mechanical arm body, casualties are prevented, potential safety hazards are reduced, the protection door can be conveniently opened and closed, and the mechanical arm is convenient to use. And the mechanical arm body can be overhauled conveniently while protection is achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of mechanical arms, in particular to a mechanical arm used for bearing polishing. Background Art

[0002] Bearings are an important component in contemporary mechanical equipment. Their main function is to support mechanical rotating bodies, reduce the friction coefficient during their movement, and ensure their rotation accuracy. Bearings generally require the use of robotic arms to polish them during processing.

[0003] When a robotic arm polishes a bearing, it often needs to polish the bearing at different positions and angles. Therefore, the robotic arm is in motion most of the time. The force generated when the robotic arm moves is generally large. If the robotic arm collides with a worker during movement, it is very easy to cause casualties and pose a safety hazard. Utility Model Content

[0004] In order to overcome the above defects, the utility model provides a mechanical arm for bearing polishing, which solves the problem that the force generated by the existing mechanical arm during movement is generally large. If the mechanical arm collides with a worker during movement, it is very easy to cause casualties and there is a safety hazard.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a mechanical arm for bearing polishing, comprising a base plate, two fixed plates fixedly connected to the top of the base plate, one of the fixed plates is hinged with a protective door, and a limiting hole is provided on the other fixed plate, a limiting rod is slidably connected inside the protective door, a spring is arranged inside the protective door, one end of the spring is fixedly connected to the protective door, and the other end of the spring is fixedly connected to the limiting rod, a handle is fixedly connected to the limiting rod, the limiting rod corresponds to the limiting hole, and a mechanical arm body is arranged on the top of the base plate.

[0006] As a further solution of the utility model: three protection frames are fixedly connected to the top of the base plate, and a grinding assembly is arranged on the mechanical arm body.

[0007] As a further solution of the utility model: a screw is threadedly connected to the grinding assembly, and a connecting rod is arranged inside the grinding assembly.

[0008] As a further solution of the utility model: a through hole is provided on the connecting rod, and a grinding sheet is fixedly connected to one end of the connecting rod.

[0009] As a further solution of the utility model: a plastic pad is fixedly connected to the handle, and one end of the limit rod is designed as an inclined surface.

[0010] As a further solution of the utility model: the grinding assembly is located on the top of the base plate, and the two fixing plates are symmetrically arranged about the middle of the base plate.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. The mechanical arm used for bearing polishing is provided with a limit rod, a handle, a spring, a protective door, a protective frame and a limit hole. When the mechanical arm body is working, the protective door is rotated to drive the limit rod to rotate. When the inclined surface on the limit rod contacts the fixed plate, the fixed plate will push the limit rod open and compress the spring. The protective door is continued to be rotated for a certain period of time, and the limit rod moves to the limit hole. The spring will reset and push the limit rod to be inserted into the limit hole to fix the protective door. When it is necessary to inspect the mechanical arm body, the plastic pad and the handle are held, and the handle is pulled to drive the limit rod to move so that the limit rod is separated from the limit hole. The limit of the protective door is released, and the protective door can be rotated open. At this time, the mechanical arm body can be inspected. The mechanical arm protects the mechanical arm body through the protective door and three protective frames to prevent personnel from contacting the mechanical arm body, prevent casualties, reduce safety hazards, and facilitate opening and closing of the protective door. It is also convenient to inspect the mechanical arm body while providing protection.

[0013] 2. The mechanical arm for bearing polishing is provided with screws, connecting rods, through holes and grinding discs. When the grinding disc needs to be replaced, the screws are turned to move the screws and disengage from the through holes, and the grinding disc can be removed. The connecting rod on the new grinding disc is inserted into the grinding assembly, and the screws are turned to move the screws and insert them into the through holes, so that the grinding disc can be fixed and the replacement of the grinding disc is completed. The mechanical arm is convenient for disassembly and installation of the grinding disc, so that it is convenient to replace the damaged grinding disc and improve work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0015] Figure 2 It is a three-dimensional structural diagram of the mechanical arm body of the utility model;

[0016] Figure 3 This is a schematic diagram of the structure of the grinding assembly and the grinding sheet being separated in the utility model;

[0017] Figure 4 This is a schematic structural diagram of the cross section of the protective door of the utility model;

[0018] In the figure: 1. Base plate; 2. Protective frame; 3. Robot arm body; 4. Fixed plate; 5. Protective door; 6. Grinding assembly; 7. Limiting hole; 8. Screw; 9. Connecting rod; 10. Through hole; 11. Grinding sheet; 12. Limiting rod; 13. Spring; 14. Plastic pad; 15. Handle. DETAILED DESCRIPTION

[0019] The technical solution of this patent is further described in detail below in conjunction with specific implementation methods.

[0020] like Figure 1-4 As shown, the utility model provides a technical solution: a mechanical arm for bearing polishing, comprising a base plate 1, two fixed plates 4 are fixedly connected to the top of the base plate 1, one of the fixed plates 4 is hinged with a protective door 5, and the other fixed plate 4 is provided with a limiting hole 7, and three protective frames 2 are fixedly connected to the top of the base plate 1. Because the protective frames 2 are provided, the protective frames 2 can enable the staff to observe the working condition of the mechanical arm body 3 while providing protection. When the mechanical arm body 3 fails, the staff can discover and repair it in time, thereby improving the maintenance efficiency. A grinding component 6 is provided on the mechanical arm body 3.

[0021] The protective door 5 is internally slidably connected to a limit rod 12, a spring 13 is provided inside the protective door 5, one end of the spring 13 is fixedly connected to the protective door 5, a screw 8 is threadedly connected to the grinding assembly 6, and a plurality of grooves are provided on the screw 8 to increase friction, thereby facilitating personnel to turn the screw 8 and improving operational convenience, and a connecting rod 9 is provided inside the grinding assembly 6.

[0022] The other end of the spring 13 is fixedly connected to the limit rod 12, and the limit rod 12 is fixedly connected to the handle 15. The limit rod 12 corresponds to the limit hole 7. The grinding assembly 6 is located on the top of the base plate 1, and the two fixing plates 4 are symmetrically arranged about the middle of the base plate 1.

[0023] A robotic arm body 3 is arranged on the top of the base plate 1, a through hole 10 is opened on the connecting rod 9, a grinding sheet 11 is fixedly connected to one end of the connecting rod 9, and a plastic pad 14 is fixedly connected to the handle 15. Because the plastic pad 14 is provided, when a person holds the plastic pad 14, the plastic pad 14 has an anti-slip function, thereby improving the stability of the operation. One end of the limit rod 12 is designed as a bevel. Because one end of the limit rod 12 is designed as a bevel, it is convenient for the fixing plate 4 to push the limit rod 12, which is convenient for the subsequent fixing work of the protective door 5 and improves the work efficiency.

[0024] The working principle of the utility model is:

[0025] When the robot arm body 3 is working, rotating the protection door 5 drives the limiting rod 12 to rotate. When the inclined surface on the limiting rod 12 contacts the fixing plate 4, the fixing plate 4 will push the limiting rod 12 away and compress the spring 13. Continue to rotate the protection door 5 for a period of time, and the limiting rod 12 moves to the limiting hole 7. The spring 13 will reset and push the limiting rod 12 to insert into the limiting hole 7 to fix the protection door 5. When it is necessary to inspect the robot arm body 3, hold the plastic pad 14 and the handle 15, and pull the handle 15 to drive the limiting rod 12 to move so that the limiting rod 12 is out of the limiting hole 7, release the limit of the protection door 5, and then rotate the protection door 5 to open it. At this time, the robot arm body 3 can be inspected.

[0026] When the grinding sheet 11 needs to be replaced, the screw 8 is turned so that the screw 8 moves and disengages from the through hole 10, and the grinding sheet 11 can be removed. The connecting rod 9 on the new grinding sheet 11 is inserted into the grinding assembly 6, and the screw 8 is turned so that the screw 8 moves and inserts into the through hole 10, and the grinding sheet 11 can be fixed, thereby completing the replacement of the grinding sheet 11.

[0027] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0028] The above describes in detail the preferred implementation of this patent, but this patent is not limited to the above implementation. Various changes can be made within the knowledge scope of ordinary technicians in this field without departing from the purpose of this patent.

Claims

1. A mechanical arm for bearing polishing, comprising a base plate (1), characterized in that: Two fixed plates (4) are fixedly connected to the top of the base plate (1), one of the fixed plates (4) is hinged with a protective door (5), and the other fixed plate (4) is provided with a limiting hole (7). The protective door (5) is slidably connected to a limiting rod (12), and a spring (13) is arranged inside the protective door (5). One end of the spring (13) is fixedly connected to the protective door (5), and the other end of the spring (13) is fixedly connected to the limiting rod (12). A handle (15) is fixedly connected to the limiting rod (12), and the limiting rod (12) corresponds to the limiting hole (7). A mechanical arm body (3) is arranged on the top of the base plate (1).

2. A mechanical arm for bearing polishing according to claim 1, characterized in that: Three protective frames (2) are fixedly connected to the top of the base plate (1), and a grinding assembly (6) is provided on the mechanical arm body (3).

3. A mechanical arm for bearing polishing according to claim 2, characterized in that: The grinding component (6) is threadedly connected with a screw (8), and a connecting rod (9) is arranged inside the grinding component (6).

4. A mechanical arm for bearing polishing according to claim 3, characterized in that: A through hole (10) is provided on the connecting rod (9), and a grinding sheet (11) is fixedly connected to one end of the connecting rod (9).

5. The mechanical arm for bearing polishing according to claim 1, characterized in that: A plastic pad (14) is fixedly connected to the handle (15), and one end of the limiting rod (12) is designed as an inclined surface.

6. The mechanical arm for bearing polishing according to claim 2, characterized in that: The grinding assembly (6) is located on the top of the base plate (1), and the two fixing plates (4) are symmetrically arranged about the middle of the base plate (1).

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