A grinding tool for 3D printed aircraft engine models

By designing a grinding tool with a rotating mechanism and a processing mechanism, the problems of unstable models and waste disposal were solved, achieving efficient grinding and waste management while protecting worker health.

CN224310251UActive Publication Date: 2026-06-02AECC AVIATION POWER CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
AECC AVIATION POWER CO LTD
Filing Date
2025-04-28
Publication Date
2026-06-02

AI Technical Summary

Technical Problem

Existing grinding tools for 3D printed aircraft engine models have problems such as insufficient model stability, affecting grinding results, and inability to effectively handle grinding debris, which endangers workers' health.

Method used

A polishing tool was designed, comprising a worktable, a baffle, a rotating mechanism, and a processing mechanism. The model is fixed by a circular plate, the model is driven to rotate by a motor, and a vacuum cleaner and a nozzle system are combined to process the waste, thereby achieving model stability and waste collection and dust reduction.

Benefits of technology

It improves grinding efficiency, ensures model stability, effectively handles waste, protects worker health, and avoids waste pollution.

✦ Generated by Eureka AI based on patent content.

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Abstract

This utility model belongs to the field of polishing tool technology and discloses a polishing tool for 3D printed aircraft engine models. It includes a worktable with a baffle on top and a groove between the baffle and the worktable. A rotating mechanism is located inside the groove, and a processing mechanism is located on the baffle. The rotating mechanism includes two support plates fixed inside the groove, and a first motor fixed to the outside of the support plates. A cylinder is connected to the output end of the first motor, and a circular plate is fixed to the output end of the cylinder. The circular plate is used to fix the model to be polished. The model is fixed by the circular plate, polished by a polishing machine, and the waste is processed by the processing mechanism. This solves the problems of insufficient model stability affecting the polishing effect and the inability to process waste during polishing.
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Description

Technical Field

[0001] This utility model belongs to the field of polishing tool technology, specifically a polishing tool for 3D printed aircraft engine models. Background Technology

[0002] 3D printers, also known as three-dimensional printers, are a type of cumulative manufacturing technology, or rapid prototyping technology. They are machines that use a digital model file as a basis and employ special wax materials, powdered metals, or plastics and other adhesive materials to create three-dimensional objects by printing layers of adhesive materials. 3D printing is often used to print aircraft engine models.

[0003] After the engine model is printed, it needs to be sanded to remove burrs, sharp edges, and imperfections before it can be used. The current method is to place the aircraft engine model on a workbench and use two sanding tools: a workbench and a sander. The sander is placed in the drawer of the workbench, and then a handheld sander is taken out to sand the burrs, sharp edges, and imperfections. However, the model is not stable enough during sanding, which affects the sanding effect. In addition, waste is generated during sanding. If the waste floats in the air and is inhaled, it will affect the health of the workers. The existing sanding tools cannot handle the waste. Utility Model Content

[0004] This invention provides a grinding tool for 3D printed aircraft engine models, which solves the problems of insufficient model stability affecting grinding effect and inability to handle waste chips during grinding.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A grinding tool for 3D printed aircraft engine models includes a worktable with a baffle on top. A groove is formed between the baffle and the worktable, and a rotating mechanism is located inside the groove. A processing mechanism is located on the baffle. The rotating mechanism includes two support plates fixedly disposed inside the groove. A first motor is fixedly disposed outside the support plates. A cylinder is connected to the output end of the first motor, and a circular plate is fixed to the output end of the cylinder. The circular plate is used to fix the model to be ground.

[0007] Preferably, the circular plate has a plurality of evenly distributed sliding grooves inside, a top block is slidably connected inside the sliding groove and a spring is provided thereon, one end of the spring is fixedly connected to the top block, a pull rope is connected to the top block, a circular groove is provided at the center of the circular plate, and the pull ropes converge and twist into one strand at the circular groove.

[0008] Preferably, the processing mechanism includes a vacuum cleaner mounted on the outside of the baffle, the vacuum cleaner being connected to a suction nozzle via a suction tube, the suction nozzle being located inside the baffle.

[0009] Preferably, the processing mechanism includes a collection groove provided on one side of the workbench, and the groove is provided with a through hole connected to the collection groove.

[0010] Preferably, a filter screen is fixed inside the collection tank, and a cover plate is provided on the side wall of the collection tank.

[0011] Preferably, the top of the baffle is provided with a transverse groove, a second motor is fixedly fixed to the top of the baffle, a threaded rod is rotatably connected inside the transverse groove, the output end of the second motor is fixedly connected to the threaded rod, and two threaded blocks are slidably connected inside the transverse groove.

[0012] Preferably, the threaded rod passes through two threaded blocks and is rotatably connected to the threaded blocks, and the outside of the threaded rod is provided with two sets of opposite threads.

[0013] Preferably, a nozzle is fixed to the bottom of the threaded block, a water pump is installed on the back of the workbench, and the water pump is connected to a water pipe.

[0014] Preferably, the top of the water pipe passes through the baffle and is connected to the nozzle.

[0015] Preferably, a drawer is provided on one side of the workbench, and a polishing machine is placed inside the drawer.

[0016] Compared with the prior art, the present invention has the following beneficial effects: The present invention provides a grinding tool for 3D printed aircraft engine models, including a worktable, a baffle plate on the top of the worktable, a groove between the baffle plate and the worktable, a rotating mechanism inside the groove, and a processing mechanism on the baffle plate. The rotating mechanism includes two support plates fixedly installed inside the groove, a first motor fixedly installed outside the support plates, a cylinder connected to the output end of the first motor, and a circular plate fixed to the output end of the cylinder. The circular plate is used to fix the model to be ground. The model to be ground is fixed by the circular plate, and a grinding machine is used for grinding. Then, the waste is processed by the processing mechanism, which solves the problems of insufficient model stability affecting the grinding effect and the inability to process waste during grinding.

[0017] Further, the model to be polished is picked up and placed in the position of the two circular plates. Then, the pull rope is pulled, and the top block moves in the slide and presses the spring. Then, the top block retracts completely into the slide. After that, the output end of the cylinder extends and drives the circular plate to move into the circular openings at both ends of the model. Then, the pull rope is released and the spring returns to its original position. Then, the top block returns to its original position from the slide and extends out to press against the inside of the circular opening of the model to be polished, which helps to fix the model through the circular plates.

[0018] Furthermore, the first motor starts and drives the cylinder and the circular plate to rotate. The rotation of the circular plate drives the model to rotate. By rotating the model, it is easy to use a handheld grinder to grind different positions without the need for workers to flip the model, thus improving the efficiency of grinding.

[0019] Furthermore, during the polishing process, the vacuum cleaner is activated, and the polishing debris is sucked in through the nozzle and then enters the vacuum cleaner through the suction tube, which facilitates the collection and treatment of debris. At the same time, the second motor and water pump are activated, and the water in the collection tank enters the nozzle and is sprayed out, which helps to reduce dust during polishing. Since the two sets of threads on the outside of the threaded rod are opposite, when the second motor drives the threaded rod to rotate, the two threaded blocks move in opposite directions with the two nozzles, which helps to increase the dust reduction range. The vacuum cleaner and dust reduction can prevent debris from entering the air and being inhaled by workers, thus protecting them. Meanwhile, the sprayed water enters the collection tank through the through hole, and then the water is filtered by the filter screen to remove impurities. The filtered water then enters the nozzle and is sprayed out, realizing the recycling of water. Attached Figure Description

[0020] Figure 1 This is a structural diagram of a grinding tool for a 3D-printed aircraft engine model according to the present invention.

[0021] Figure 2 This is a schematic diagram of the workbench structure for a 3D-printed aero-engine model grinding tool according to an embodiment of the present invention;

[0022] Figure 3 This invention provides a grinding tool for a 3D-printed aircraft engine model. Figure 2 Schematic diagram of a partial structure;

[0023] Figure 4 This is a schematic diagram of the circular plate structure of a grinding tool for a 3D-printed aircraft engine model according to the present invention.

[0024] Figure 5 This is a schematic diagram of the internal structure of a circular plate used for grinding a 3D-printed aircraft engine model according to this utility model.

[0025] Figure 6 This is a schematic diagram of the bottom structure of a threaded block for a grinding tool used in 3D printing of an aircraft engine model according to this utility model.

[0026] In the diagram: 1. Workbench; 2. Baffle; 3. Groove; 4. Drawer; 5. Grinding machine; 6. First motor; 7. Cylinder; 8. Circular plate; 9. Slide; 11. Top block; 12. Spring; 13. Pull rope; 14. Circular groove; 16. Vacuum cleaner; 17. Nozzle; 18. Collection trough; 19. Filter screen; 21. Circular opening; 22. Through hole; 23. Horizontal groove; 24. Second motor; 25. Threaded rod; 26. Threaded block; 27. Nozzle; 28. Water pipe; 29. ​​Cover plate; 30. Support plate. Detailed Implementation

[0027] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. The components of the embodiments of this utility model described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0028] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0029] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0030] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description. They do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. In the description of this utility model, it should be noted that unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "setting" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal communication between two components.

[0031] To enable those skilled in the art to better understand the technical solution of this utility model, the present utility model will be further described in detail below with reference to the accompanying drawings.

[0032] like Figures 1-3 As shown, this utility model provides a grinding tool for 3D printed aircraft engine models, including a worktable 1, a baffle 2 on the top of the worktable 1, a groove 3 between the baffle 2 and the worktable 1, a rotating mechanism inside the groove 3, and a processing mechanism on the baffle 2. The rotating mechanism includes two support plates 30 fixedly disposed inside the groove 3, and a first motor 6 fixedly disposed outside the support plates 30. The output end of the first motor 6 is connected to a cylinder 7, and a circular plate 8 is fixed to the output end of the cylinder 7. The circular plate 8 is used to fix the model 10 to be ground, and the two ends of the model 10 are provided with circular openings 21.

[0033] like Figure 4 and Figure 5 As shown, another embodiment of this utility model provides a grinding tool for a 3D printed aircraft engine model, including a worktable 1. A baffle 2 is provided on the top of the worktable 1. A groove 3 is provided between the baffle 2 and the worktable 1. A rotating mechanism is provided inside the groove 3. A processing mechanism is provided on the baffle 2. The rotating mechanism includes two support plates 30 fixedly disposed inside the groove 3. A first motor 6 is fixedly disposed outside the support plates 30. A cylinder 7 is connected to the output end of the first motor 6. A circular plate 8 is fixed to the output end of the cylinder 7. The circular plate 8 is used to fix the model 10 to be ground. Circular openings 21 are provided at both ends of the model 10.

[0034] The circular plate 8 has a plurality of evenly distributed sliding grooves 9 inside. A top block 11 is slidably connected inside the sliding groove 9 and a spring 12 is provided thereon. One end of the spring 12 is fixedly connected to the top block 11. A pull rope 13 is connected to the top block 11. A circular groove 14 is provided at the center of the circular plate 8. The pull rope 13 converges and twists into one strand at the circular groove 14.

[0035] The processing mechanism includes a vacuum cleaner 16 mounted on the outside of the baffle 2. The vacuum cleaner 16 is connected to a suction nozzle 17 via a suction tube, and the suction nozzle 17 is located inside the baffle 2.

[0036] The processing mechanism includes a collection trough 18 provided on one side of the workbench 1, and the groove 3 is provided with a through hole 22 connected to the collection trough 18.

[0037] A filter screen 19 is fixed inside the collection tank 18, and a cover plate 29 is provided on the side wall of the collection tank 18.

[0038] Pick up the model 10 that needs to be sanded and place it on the two circular plates 8. Then pull the pull rope 13. The top block 11 moves in the slide groove 9 and presses the spring 12. Then the top block 11 retracts completely into the slide groove 9. Then the output end of the cylinder 7 extends and drives the circular plate 8 to move into the circular openings 21 at both ends of the model 10. Then release the pull rope 13 and the spring 12 returns to its original position. Then the top block 11 returns to its original position from the slide groove 9 and extends to press against the inside of the circular opening 21, which helps to fix the model 10 through the circular plates 8. Then pull out the drawer 4 and take out the sander 5 inside. Then the first motor 6 starts and drives the cylinder 7 and the circular plate 8 to rotate. The rotation of the circular plate 8 drives the model 10 to rotate. By rotating the model 10, it is easy to use the handheld sander 5 to sand different positions without the need for the worker to flip the model, which improves the sanding efficiency. When sanding, the vacuum cleaner 16 starts. Then the waste left by sanding is sucked in from the nozzle 17 and then enters the vacuum cleaner 16 through the suction tube, which helps to collect and process the waste.

[0039] Another embodiment of this utility model provides a grinding tool for a 3D printed aircraft engine model, including a workbench 1, a baffle 2 on the top of the workbench 1, a groove 3 between the baffle 2 and the workbench 1, a rotating mechanism inside the groove 3, and a processing mechanism on the baffle 2. The rotating mechanism includes two support plates 30 fixedly disposed inside the groove 3, and a first motor 6 fixedly disposed outside the support plates 30. The output end of the first motor 6 is connected to a cylinder 7, and a circular plate 8 is fixed to the output end of the cylinder 7. The circular plate 8 is used to fix the model 10 to be ground, and the two ends of the model 10 are provided with circular openings 21.

[0040] The top of the baffle 2 is provided with a transverse groove 23, and a second motor 24 is fixedly mounted on the top of the baffle 2. A threaded rod 25 is rotatably connected inside the transverse groove 23. The output end of the second motor 24 is fixedly connected to the threaded rod 25. Two threaded blocks 26 are slidably connected inside the transverse groove 23. The threaded rod 25 passes through the two threaded blocks 26 and is rotatably connected to the threaded blocks 26. Furthermore, two sets of opposite threads are provided on the outside of the threaded rod 25. Figure 6 As shown, a nozzle 27 is fixed to the bottom of the threaded block 26, a water pump is installed on the back of the workbench 1, the water pump is connected to a water pipe 28, the top of the water pipe 28 passes through the baffle 2 and is connected to the nozzle 27, and a drawer 4 is provided on one side of the workbench 1, and a grinder 5 is placed inside the drawer 4.

[0041] The second motor 24 and the water pump start, and the water in the collection tank 18 enters the interior of the nozzle 27 and is sprayed out, which helps to reduce dust during grinding. Since the two sets of threads on the outside of the threaded rod 25 are opposite, when the second motor 24 drives the threaded rod 25 to rotate, the two threaded blocks 26 move in opposite directions with the two nozzles 27, which helps to increase the dust reduction range. The dust removal and dust reduction by the vacuum cleaner 16 can prevent waste from entering the air and being inhaled by workers, thus protecting the workers.

[0042] Working principle: Pick up the model 10 to be sanded and place it on the two circular plates 8. Then pull the pull rope 13, and the top block 11 moves in the slide groove 9 and presses the spring 12. Then the top block 11 retracts completely into the slide groove 9. After that, the output end of the cylinder 7 extends and drives the circular plate 8 to move into the circular openings 21 at both ends of the model 10. Then release the pull rope 13 and the spring 12 returns to its original position. Then the top block 11 returns to its original position from the slide groove 9 and extends to press against the inside of the circular openings 21, which helps to fix the model 10 through the circular plates 8. Then pull out the drawer 4 and take out the sander 5 inside. Then the first motor 6 starts and drives the cylinder 7 and the circular plate 8 to rotate. The rotation of the circular plate 8 drives the model 10 to rotate. By rotating the model 10, it is easy to use the handheld sander 5 to sand different positions without the need for the worker to flip the model, which improves the sanding efficiency. During sanding, the vacuum cleaner 16 is used. The machine is started, and the waste debris left from grinding is sucked in through the nozzle 17 and then enters the vacuum cleaner 16 through the suction tube, which helps to collect and process the waste debris. At the same time, the second motor 24 and the water pump are started, and the water in the collection tank 18 enters the nozzle 27 and is sprayed out, which helps to reduce dust during grinding. Since the two sets of threads on the outside of the threaded rod 25 are opposite, when the second motor 24 drives the threaded rod 25 to rotate, the two threaded blocks 26 move in opposite directions with the two nozzles 27, which helps to increase the dust reduction range. The vacuum cleaner 16 and dust reduction can prevent waste debris from entering the air and being inhaled by workers, which plays a protective role for workers. At the same time, the sprayed water enters the collection tank 18 through the through hole 22, and then the water is filtered by the filter screen 19 to remove impurities. After that, the filtered water enters the nozzle 27 and is sprayed out, realizing the recycling of water.

[0043] Although the embodiments of this utility model have been described above in conjunction with the accompanying drawings, this utility model is not limited to the specific embodiments and application fields described above. The specific embodiments described above are merely illustrative and instructive, and not restrictive. Those skilled in the art, guided by the description, can make many other forms without departing from the scope of protection of the claims of this utility model, and all of these are within the scope of protection of this utility model.

Claims

1. A grinding tool for 3D-printed aircraft engine models, characterized in that, The device includes a workbench (1), a baffle (2) on the top of the workbench (1), a groove (3) between the baffle (2) and the workbench (1), a rotating mechanism inside the groove (3), and a processing mechanism on the baffle (2). The rotating mechanism includes two support plates (30) fixedly installed inside the groove (3). A first motor (6) is fixed to the outside of the support plate (30). A cylinder (7) is connected to the output end of the first motor (6). A circular plate (8) is fixed to the output end of the cylinder (7). The circular plate (8) is used to fix the model (10) to be polished.

2. The grinding tool for a 3D-printed aircraft engine model according to claim 1, characterized in that, The circular plate (8) has multiple evenly distributed grooves (9) inside. A top block (11) is slidably connected inside the groove (9) and a spring (12) is provided. One end of the spring (12) is fixedly connected to the top block (11). A pull rope (13) is connected to the top block (11). A circular groove (14) is provided at the center of the circular plate (8). The pull rope (13) converges and twists into one strand at the circular groove (14).

3. The grinding tool for a 3D-printed aircraft engine model according to claim 1, characterized in that, The processing mechanism includes a vacuum cleaner (16) mounted on the outside of the baffle (2), the vacuum cleaner (16) being connected to a suction nozzle (17) via a suction tube, the suction nozzle (17) being located inside the baffle (2).

4. A grinding tool for a 3D-printed aircraft engine model according to claim 1, characterized in that, The processing mechanism includes a collection trough (18) provided on one side of the workbench (1), and the groove (3) is provided with a through hole (22) connected to the collection trough (18).

5. A grinding tool for a 3D-printed aircraft engine model according to claim 4, characterized in that, A filter screen (19) is fixed inside the collection tank (18), and a cover plate (29) is provided on the side wall of the collection tank (18).

6. A grinding tool for a 3D-printed aircraft engine model according to claim 1, characterized in that, The top of the baffle (2) is provided with a transverse groove (23), and a second motor (24) is fixed on the top of the baffle (2). A threaded rod (25) is rotatably connected inside the transverse groove (23). The output end of the second motor (24) is fixedly connected to the threaded rod (25). Two threaded blocks (26) are slidably connected inside the transverse groove (23).

7. A grinding tool for a 3D-printed aircraft engine model according to claim 6, characterized in that, The threaded rod (25) passes through two threaded blocks (26) and is rotatably connected to the threaded blocks (26), and the outside of the threaded rod (25) is provided with two sets of opposite threads.

8. A grinding tool for a 3D-printed aircraft engine model according to claim 6, characterized in that, The bottom of the threaded block (26) is fixed with a nozzle (27), and a water pump is installed on the back of the workbench (1), and the water pump is connected to a water pipe (28).

9. A grinding tool for a 3D-printed aircraft engine model according to claim 8, characterized in that, The top of the water pipe (28) passes through the baffle (2) and is connected to the nozzle (27).

10. A grinding tool for a 3D-printed aircraft engine model according to claim 1, characterized in that, A drawer (4) is provided on one side of the workbench (1), and a polishing machine (5) is placed inside the drawer (4).