Grinding and polishing machine for aircraft jet tail board

Abstract

The utility model discloses an aircraft jet tail plate grinding and polishing machine which comprises an installation frame, a handle is installed on the upper side of the installation frame, a servo motor is installed on the left side of the installation frame, the output end of the servo motor is connected with a lead screw, the outer side of the lead screw is in threaded connection with a movable plate, and an adjusting rod is hinged to the lower end of the movable plate. A fixing plate is hinged to the lower end of the adjusting rod; a supporting plate is mounted at the right end of the fixing plate, a rotating shaft is mounted at the upper end of the supporting plate, and the rotating shaft is connected with the mounting frame; a driving motor is installed at the lower end of the supporting plate, and the output end of the driving motor is connected with a rotating rod. According to the aircraft jet tail plate grinding and polishing machine, flying chips generated in the polishing process are shielded through the dustproof cover, the amount of the flying chips sucked into the respiratory tract by workers is reduced, the influence on the body health of the workers is avoided, the polishing machine can be supported through the rolling wheels below the dustproof cover, and the workers can move the polishing machine in a labor-saving mode.

Description

Technical Field

[0001] The utility model relates to the technical field of aircraft jet tail plate polishing, in particular to a grinding and polishing machine for aircraft jet tail plates. Background Technique

[0002] A jet aircraft is an aircraft that uses a jet engine as a power source. When processing the tail plate installed at its jet tail, it is necessary to grind and polish its surface. After grinding and polishing, it is convenient to spray a high-temperature resistant coating on its surface to ensure its normal use in a high-temperature environment.

[0003] However, the existing grinding and polishing machines at present are not conducive to adjusting the angle to adapt to the grinding curved surface, there are limitations in the grinding and polishing area, and in the area with a small grinding surface, it is not conducive to adjusting the volume of the grinding and polishing mechanism, and it is not conducive to contacting and grinding with the small-area grinding surface, and the flexibility of use is relatively low. Therefore, we propose a grinding and polishing machine for aircraft jet tail plates to solve the above-mentioned problems. Content of the Utility Model

[0004] The purpose of the utility model is to provide a grinding and polishing machine for aircraft jet tail plates to solve the problems in the above-mentioned background technique that it is not conducive to adjusting the angle to adapt to the grinding curved surface in the current market, there are limitations in the grinding and polishing area, and in the area with a small grinding surface, it is not conducive to adjusting the volume of the grinding and polishing mechanism, and it is not conducive to contacting and grinding with the small-area grinding surface, and the flexibility of use is relatively low.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: A grinding and polishing machine for aircraft jet tail plates, including a mounting frame, a handle is installed on the upper side of the mounting frame, a servo motor is installed on the left side of the mounting frame, the output end of the servo motor is connected to a lead screw, a moving plate is threadedly connected to the outside of the lead screw, the lower end of the moving plate is hinged to an adjusting rod, and the lower end of the adjusting rod is hinged to a fixing plate;

[0006] A support plate is installed at the right end of the fixing plate, a rotating shaft is installed on the upper end of the support plate, and the rotating shaft is connected to the mounting frame;

[0007] A driving motor is installed at the lower end of the support plate, the output end of the driving motor is connected to a rotating rod, a main polishing roller is installed on the outside of the right end of the rotating rod, a secondary polishing roller is sleeved on the outside of the left section of the rotating rod, positioning holes are opened on the left sides of the secondary polishing roller and the main polishing roller, a positioning rod is connected to the right side of the secondary polishing roller, and a nut is threadedly connected to the left end of the rotating rod;

[0008] A dust-proof cover is bolted and fixed to the outside of the support plate, and a roller is rotatably connected to the lower side of the dust-proof cover.

[0009] Preferably, the movable plate passes through the lower wall of the mounting frame, and the movable plate is slidably connected to the mounting frame. This design can limit the movable plate to maintain horizontal movement when the screw rod drives the movable plate to move.

[0010] Preferably, the support plate forms a rotating structure with the mounting frame through a rotating shaft, and there is a gap between the upper end of the support plate and the right end of the mounting frame. This design can adjust the angle of the polishing roller by driving the support plate to rotate, so that the polishing roller fits against the aircraft jet tail plate.

[0011] Preferably, the outer diameter of the main polishing roller is the same as that of the auxiliary polishing roller, and the lowest point of the main polishing roller is lower than the lowest point of the support plate. This design allows the polishing roller to smoothly contact the aircraft jet tail plate.

[0012] Preferably, the auxiliary polishing roller can slide on the rotating rod, and the positioning rod installed on the side of the auxiliary polishing roller is engaged with the positioning hole at the corresponding position. This design can flexibly disassemble and assemble the auxiliary polishing roller.

[0013] Preferably, the dust cover is mounted on the outside of the rotating rod, the main polishing roller and the auxiliary polishing roller, and the lowest point of the roller installed on the lower side of the dust cover is flush with the lowest point of the main polishing roller. This design can use the roller to support the polishing machine while ensuring smooth contact between the polishing roller and the aircraft jet tail panel.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] (1) The aircraft jet tail plate grinding and polishing machine uses a dust cover to shield the flying chips generated during the polishing process, thereby reducing the amount of flying chips inhaled into the respiratory tract by the staff and avoiding affecting the health of the staff. The rollers under the dust cover can support the polishing machine, allowing the staff to move the polishing machine with less effort.

[0016] (2) The aircraft jet tail plate grinding and polishing machine drives the moving plate to move by driving the screw to rotate, drives the adjusting rod to drive the fixed plate and the supporting plate to rotate, and adjusts the distribution angle of the main polishing roller and the auxiliary polishing roller so that the main polishing roller and the auxiliary polishing roller adapt to the inclined surface of the aircraft jet tail plate for grinding;

[0017] (3) The auxiliary polishing roller of the aircraft jet tail plate grinding and polishing machine can be disassembled. By disassembling the auxiliary polishing roller, the volume of the entire polishing mechanism can be reduced, which is convenient for grinding small concave areas and improves the operational flexibility of the grinding and polishing process. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the main structure of the utility model;

[0020] Figure 3 This is a schematic cross-sectional view of the mounting bracket of the present utility model;

[0021] Figure 4 This is a schematic view of the dust cover structure of the present utility model;

[0022] Figure 5 This is a schematic left side view of the dust cover structure of the present utility model;

[0023] Figure 6 This is a schematic view of the secondary polishing roller structure of the present utility model;

[0024] Figure 7 This is a schematic view of the main polishing roller structure of the present utility model.

[0025] In the figure: 1, mounting bracket; 2, handle; 3, servo motor; 4, lead screw; 5, moving plate; 6, adjusting rod; 7, fixing plate; 8, rotating shaft; 9, support plate; 10, driving motor; 11, rotating rod; 12, main polishing roller; 13, secondary polishing roller; 14, positioning hole; 15, positioning rod; 16, nut; 17, dust cover; 18, roller. Specific embodiments

[0026] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0027] Please refer to Figures 1 - 7 , the present utility model provides the following technical solutions: an aircraft jet tail plate grinding and polishing machine, including a mounting bracket 1, a handle 2 is installed on the upper side of the mounting bracket 1, a servo motor 3 is installed on the left side of the mounting bracket 1, the output end of the servo motor 3 is connected to a lead screw 4, a moving plate 5 is threadedly connected to the outside of the lead screw 4, the lower end of the moving plate 5 is hinged to an adjusting rod 6, and the lower end of the adjusting rod 6 is hinged to a fixing plate 7; a support plate 9 is installed at the right end of the fixing plate 7, a rotating shaft 8 is installed at the upper end of the support plate 9, and the rotating shaft 8 is connected to the mounting bracket 1; a driving motor 10 is installed at the lower end of the support plate 9, the output end of the driving motor 10 is connected to a rotating rod 11, a main polishing roller 12 is installed on the outside of the right end of the rotating rod 11, a secondary polishing roller 13 is sleeved on the outside of the left section of the rotating rod 11, positioning holes 14 are provided on the left sides of both the secondary polishing roller 13 and the main polishing roller 12, a positioning rod 15 is connected to the right side of the secondary polishing roller 13, and a nut 16 is threadedly connected to the left end of the rotating rod 11; a dust cover 17 is bolted and fixed to the outside of the support plate 9, and a roller 18 is rotatably connected to the lower side of the dust cover 17;

[0028] The moving plate 5 penetrates through the lower wall of the mounting frame 1, and the moving plate 5 is slidably connected to the mounting frame 1; the support plate 9 is rotatably connected to the mounting frame 1 through a rotating shaft 8, and there is a gap between the upper end of the support plate 9 and the right end of the mounting frame 1; the outer diameters of the main polishing roller 12 and the auxiliary polishing roller 13 are the same, and the lowest point of the main polishing roller 12 is lower than the lowest point of the support plate 9; the auxiliary polishing roller 13 can slide on the rotating rod 11, and the positioning rod 15 installed on the side of the auxiliary polishing roller 13 is engaged with the corresponding positioning hole 14; the dust cover 17 is sleeved outside the rotating rod 11, the main polishing roller 12 and the auxiliary polishing roller 13, and the lowest point of the roller 18 installed on the lower side of the dust cover 17 is flush with the lowest point of the main polishing roller 12;

[0029] Working principle: When using this aircraft jet tail plate grinding and polishing machine, when grinding on a large area, the dust cover 17 can be sleeved outside the polishing roller, and one end of the dust cover 17 is sleeved outside the rotating rod 11, and the dust cover 17 is fixed on the support plate 9 with bolts. The dust cover 17 is used to block the flying chips generated during the polishing process. The roller 18 is attached to the aircraft jet tail plate, and the roller 18 is used to support the dust cover 17, thereby supporting the polishing machine. Hold the handle 2 and drive the polishing machine to move on the aircraft jet tail plate. At this time, the roller 18 rolls on the aircraft jet tail plate, reducing the weight of the polishing machine carried by the staff. Connect the driving motor 10 to the power supply, control the rotation of the rotating rod 11 connected to the output end, thereby controlling the rotation of the main polishing roller 12 and the auxiliary polishing roller 13, and grinding and polishing the aircraft jet tail plate. Connect the servo motor 3 to the power supply, control the servo motor 3 to drive the rotating screw rod 4 connected to the output end, and the screw rod 4 controls the moving plate 5 connected by the outer thread to slide in the mounting frame 1, thereby controlling the rotation of the adjusting rod 6 hinged at the lower end. The adjusting rod 6 controls the fixed plate 7 hinged at the lower end to drive the support plate 9 to rotate, and adjusts the distribution angle of the main polishing roller 12 and the auxiliary polishing roller 13, so that the main polishing roller 12 and the auxiliary polishing roller 13 adapt to the inclined surface of the aircraft jet tail plate for grinding;

[0030] When it is necessary to grind a small concave area inside the aircraft jet tail plate, the dust cover 17 can be disassembled. Then, the nut 16 is removed from the rotating rod 11 connected by the thread. Then, the auxiliary polishing rollers 13 are removed from the rotating rod 11 one by one. Then, the main polishing roller 12 can be used to grind the small concave area. Subsequently, only need to sleeve the auxiliary polishing rollers 13 outside the rotating rod 11, the positioning rod 15 is stuck into the corresponding positioning hole 14, and the nut 16 is threadedly connected to the rotating rod 11 to limit the polishing roller, and the extension fixation of the polishing roller can be realized. The content not described in detail in this specification belongs to the prior art well-known to those skilled in the art.

[0031] Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements on some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. An aircraft jet tail plate grinding and polishing machine, comprising a mounting frame (1), characterized in that: A handle (2) is installed on the upper side of the mounting frame (1), a servo motor (3) is installed on the left side of the mounting frame (1), the output end of the servo motor (3) is connected to a screw rod (4), the outer side of the screw rod (4) is threadedly connected to a movable plate (5), the lower end of the movable plate (5) is hinged to an adjusting rod (6), and the lower end of the adjusting rod (6) is hinged to a fixed plate (7); A support plate (9) is installed at the right end of the fixing plate (7), a rotating shaft (8) is installed at the upper end of the supporting plate (9), and the rotating shaft (8) is connected to the mounting frame (1); A driving motor (10) is installed at the lower end of the support plate (9), the output end of the driving motor (10) is connected to a rotating rod (11), a main polishing roller (12) is installed on the outer side of the right end of the rotating rod (11), a secondary polishing roller (13) is sleeved on the outer side of the left section of the rotating rod (11), positioning holes (14) are provided on the left sides of the secondary polishing roller (13) and the main polishing roller (12), a positioning rod (15) is connected to the right side of the secondary polishing roller (13), and a nut (16) is threadedly connected to the left end of the rotating rod (11); A dust cover (17) is fixed to the outer side of the support plate (9) by bolts, and a roller (18) is rotatably connected to the lower side of the dust cover (17).

2. The aircraft jet tail plate grinding and polishing machine according to claim 1, characterized in that: The movable plate (5) passes through the lower wall of the mounting frame (1), and the movable plate (5) is slidably connected to the mounting frame (1).

3. The aircraft jet tail plate grinding and polishing machine according to claim 1, characterized in that: The support plate (9) forms a rotating structure with the mounting frame (1) via a rotating shaft (8), and a gap exists between the upper end of the support plate (9) and the right end of the mounting frame (1).

4. The aircraft jet tail plate grinding and polishing machine according to claim 1, characterized in that: The outer diameter of the main polishing roller (12) is the same as the outer diameter of the auxiliary polishing roller (13), and the lowest point of the main polishing roller (12) is lower than the lowest point of the support plate (9).

5. The aircraft jet tail plate grinding and polishing machine according to claim 1, characterized in that: The auxiliary polishing roller (13) can slide on the rotating rod (11), and the positioning rod (15) installed on the side of the auxiliary polishing roller (13) is engaged with the positioning hole (14) at the corresponding position.

6. The aircraft jet tail plate grinding and polishing machine according to claim 1, characterized in that: The dust cover (17) is sleeved on the outside of the rotating rod (11), the main polishing roller (12) and the auxiliary polishing roller (13), and the lowest point of the roller (18) installed on the lower side of the dust cover (17) is flush with the lowest point of the main polishing roller (12).

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