Diffuser polishing device
By using a hydraulically driven clamping mechanism and a diffuser polishing device that adaptively adjusts the spacing of the polishing rollers, the problem of adaptive polishing of diffusers with different diameters is solved, achieving automatic clamping and uniform polishing, thereby improving production efficiency and polishing quality.
Patent Information
- Application Number
- CN202423058801.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-11
- Publication Date
- 2025-11-14
- Estimated Expiration
- 2034-12-11
AI Technical Summary
Existing diffuser polishing devices are not convenient for adaptively adjusting the polishing dimensions for diffusers of different diameters.
A diffuser polishing device was designed, comprising a hydraulically driven clamping mechanism and an adaptively adjustable polishing roller spacing adjustment mechanism, which can automatically clamp and adjust the position of the polishing rollers to adapt to diffusers of different diameters.
It enables automatic clamping and uniform polishing of diffusers of different diameters, saving labor costs, improving production efficiency, and ensuring consistent polishing quality.
Smart Images

Figure CN223544973U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of diffuser processing technology, specifically a diffuser polishing device. Background Technology
[0002] The diffuser is an important component of an aero-engine. Its main function is to decelerate and pressurize high-speed airflow to stabilize combustion and improve engine efficiency. Due to the key role of the diffuser in the engine, its design and manufacturing need to meet the requirements of high precision and reliability.
[0003] The diffuser requires polishing during the manufacturing process. Polishing is mainly to improve surface smoothness, prevent corrosion, and meet precision requirements. Since the diffuser is annular and its size is defined according to the size of the aircraft engine, different engine sizes are matched with corresponding diffuser sizes, resulting in diffusers with different diameters. Existing diffuser polishing devices are not convenient for adaptively adjusting the polishing size for diffusers of different diameters. Therefore, it is necessary to provide a diffuser polishing device to solve the above-mentioned technical problems. Utility Model Content
[0004] The purpose of this utility model is to provide a diffuser polishing device to solve the problem mentioned in the background art that diffuser polishing devices are not convenient for adaptively adjusting the polishing size for diffusers of different diameters. This utility model provides a solution that is significantly different from the existing technology, addressing the problem that the existing technology solutions are too simplistic.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a diffuser polishing device, including a worktable, a first support plate and a second support plate respectively installed on the top of the worktable, a hydraulic cylinder connected to one side of the second support plate, an oil cylinder penetrating inside the first support plate, a piston rod disposed inside the top of the oil cylinder, and a second gear disposed on one side of the first support plate.
[0006] One end of the hydraulic cylinder is equipped with a clamping mechanism that can clamp and fix diffusers of different diameters.
[0007] An adjustment mechanism is provided on the outer side of one end of the piston rod, which can adaptively adjust the distance between the two polishing rollers for diffusers of different diameters.
[0008] In a further embodiment, the clamping mechanism includes a clamping plate mounted on one end of the hydraulic cylinder, and a top block is connected to the lower end of the clamping plate.
[0009] In a further embodiment, the lower end of the top block forms a sliding structure with the upper part of the worktable.
[0010] In a further embodiment, a bidirectional telescopic rod is installed at one end of the lower part of the oil cylinder, and the two ends of the bidirectional telescopic rod are respectively connected to the top block.
[0011] In a further embodiment, the adjusting mechanism includes a connecting cylinder sleeved on the outer side of one end of the piston rod, and oil pipes are respectively connected to both sides of the connecting cylinder. A first gear is installed on the outer side of the connecting cylinder, and a rotating cylinder is provided at the end of the connecting cylinder. Polishing rollers are slidably and sealed to the inner sides of both ends of the rotating cylinder, and sliders are provided on the outer side of the polishing rollers.
[0012] In a further embodiment, the slider and the rotating drum form a sealed sliding structure.
[0013] In a further embodiment, the inner side of the upper part of the oil cylinder and the outer side of the piston rod form a sealed sliding structure.
[0014] In a further embodiment, the second gear meshes with the first gear.
[0015] Compared with existing technologies, the beneficial effects of this utility model are:
[0016] 1. This utility model adopts automatic clamping and polishing. The device can automatically clamp diffusers of different diameters and perform polishing treatment without manual operation, saving labor costs and improving production efficiency.
[0017] 2. This utility model can automatically adjust the position of the polishing roller according to the diameter of the diffuser, ensuring that the polishing roller can accurately fit the surface of the diffuser and guaranteeing the consistency of polishing quality.
[0018] 3. This utility model has a reasonable structural design, is simple to operate and easy to maintain. It can also adapt to diffusers of different diameters, has a wide range of applications, and has a good market prospect.
[0019] In summary, this device eliminates the need for manual polishing of the diffuser, ensuring uniform polishing. It can clamp diffusers of different diameters while simultaneously adjusting the polishing rollers to the diffuser edges. This allows the device to effectively clamp diffusers of different diameters and adaptively adjust the polishing rollers to uniformly polish diffusers of varying diameters. Attached Figure Description
[0020] Figure 1 A schematic diagram of a preferred embodiment of the diffuser polishing apparatus provided in this utility model;
[0021] Figure 2 for Figure 1 The diagram shows a side section of the structure.
[0022] Figure 3 for Figure 1 The enlarged structural diagram at point A is shown below;
[0023] Figure 4 for Figure 1 The diagram shows the installation structure of the rotating drum and polishing roller.
[0024] In the diagram: 1. Workbench; 2. First support plate; 3. Second support plate; 4. Hydraulic cylinder; 5. Clamping mechanism; 501. Clamping plate; 502. Top block; 6. Oil cylinder; 601. Bidirectional telescopic rod; 7. Piston rod; 8. Adjusting mechanism; 801. Connecting cylinder; 801a. Oil pipe; 801b. First gear; 802. Rotary drum; 803. Polishing roller; 804. Slider; 9. Second gear. Detailed Implementation
[0025] The technical solutions 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. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.
[0026] Please see Figure 1-4 This utility model provides an embodiment of a diffuser polishing device, including a worktable 1, a first support plate 2 and a second support plate 3 respectively installed on the worktable 1, and a hydraulic cylinder 4 connected to one side of the second support plate 3. An oil cylinder 6 is connected through the first support plate 2, and a piston rod 7 is arranged inside the oil cylinder 6. A second gear 9 is arranged on one side of the first support plate 2. A clamping mechanism 5 is provided at one end of the hydraulic cylinder 4, which can clamp and fix diffusers of different diameters. An adjustment mechanism 8 is provided on the outer side of one end of the piston rod 7, which can adaptively adjust the distance between the two polishing rollers 803 for diffusers of different diameters.
[0027] Please refer to Example 1 Figure 1 The clamping mechanism 5 includes a clamping plate 501 installed at one end of the hydraulic cylinder 4, and a top block 502 is connected to the lower end of the clamping plate 501. The lower end of the top block 502 forms a sliding structure with the upper part of the worktable 1.
[0028] First, the diffuser is driven by the hydraulic cylinder 4 to push the clamping plate 501 inward simultaneously to clamp and fix diffusers of different diameters.
[0029] Please refer to Example 2 Figure 2-4Unlike Embodiment 1, a bidirectional telescopic rod 601 is installed at one end of the lower part of the oil cylinder 6, and both ends of the bidirectional telescopic rod 601 are connected to the top block 502. The adjusting mechanism 8 includes a connecting cylinder 801 sleeved on the outside of one end of the piston rod 7, and oil pipes 801a are connected to both sides of the connecting cylinder 801. A first gear 801b is installed on the outside of the connecting cylinder 801, and a rotating cylinder 802 is provided at the end of the connecting cylinder 801. Polishing rollers 803 are slidably connected to the inner sides of both ends of the rotating cylinder 802. A slider 804 is provided on the outside of the polishing roller 803. The slider 804 and the rotating cylinder 802 form a sealed sliding structure. The inner side of the upper part of the oil cylinder 6 and the outer side of the piston rod 7 form a sealed sliding structure. The second gear 9 meshes with the first gear 801b.
[0030] When the two clamping plates 501 are pushed inward simultaneously, they will simultaneously drive the top block 502 inward, and simultaneously squeeze the bidirectional telescopic rod 601 inward. This causes the oil inside the bidirectional telescopic rod 601 to squeeze the piston rod 7 through the oil cylinder 6, and the piston rod 7 to squeeze the oil inside the connecting cylinder 801 through the oil pipe 801a to the rotating drum 802. This pushes the polishing rollers 803 on both sides of the rotating drum 802 to move outward simultaneously, so that the ends of the polishing rollers 803 are just adjusted to the edge of the diffuser (it should be noted that: In the initial stage, the distance between the two ends of the polishing roller 803 and the distance between the two clamping plates 501 need to be adjusted to a specified point to ensure that the displacement of the two ends of the polishing roller 803 is the same as the displacement of the two clamping plates 501. This allows the two clamping plates 501 to clamp and fix the diffuser while also adjusting the two ends of the polishing roller 803 to the edge of the diffuser. As a result, the clamping mechanism 5 can adaptively drive the adjustment mechanism 8 to clamp and polish the polishing roller 803 for diffusers of different diameters while it is displacing.
[0031] After the diffuser and polishing roller 803 are clamped and adjusted, the servo motor on one side of the first support plate 2 is started to drive the second gear 9 to rotate, and at the same time drive the first gear 801b to rotate, thereby driving the piston rod 7 and the adjustment mechanism 8 to rotate simultaneously, so that the polishing roller 803 can effectively diffuse and polish during the rotation process.
[0032] Working principle: such as Figure 1-4As shown, the diffuser is first driven by the hydraulic cylinder 4 to simultaneously push the clamping plates 501 inward to clamp and fix diffusers of different diameters. When the two clamping plates 501 are pushed inward at the same time, they will simultaneously drive the top block 502 to push inward, and simultaneously squeeze the bidirectional telescopic rod 601 inward. This causes the oil inside the bidirectional telescopic rod 601 to squeeze the piston rod 7 through the oil cylinder 6. This causes the piston rod 7 to squeeze the oil inside the connecting cylinder 801 through the oil pipe 801a to the rotating drum 802. This pushes the polishing rollers 803 on both sides of the rotating drum 802 to move outward at the same time, so that the polishing rollers... It is important to note that in the initial stage, the distance between the two ends of the polishing roller 803 and the distance between the two clamping plates 501 need to be adjusted to a specified point to ensure that the displacement of the two ends of the polishing roller 803 is the same as the displacement of the two clamping plates 501. This allows the two clamping plates 501 to clamp and fix the diffuser while also adjusting the two ends of the polishing roller 803 to the edge of the diffuser. As a result, the clamping mechanism 5 can adaptively drive the adjusting mechanism 8 to clamp and polish the polishing roller 803 for diffusers of different diameters while it is displacing.
[0033] After the diffuser and polishing roller 803 are clamped and adjusted, the servo motor on one side of the first support plate 2 is started to drive the second gear 9 to rotate, and at the same time drive the first gear 801b to rotate, thereby driving the piston rod 7 and the adjustment mechanism 8 to rotate simultaneously, so that the polishing roller 803 can effectively diffuse and polish during the rotation process.
[0034] In summary, this device eliminates the need for manual polishing of the diffuser, ensuring uniform polishing. It can clamp diffusers of different diameters while simultaneously adjusting the polishing rollers 803 to the diffuser edges. This allows the device to effectively clamp diffusers of different diameters while adaptively adjusting the polishing rollers 803 to uniformly polish them.
[0035] Contents not described in detail in this specification are prior art known to those skilled in the art. In this description, unless otherwise stated, "multiple" means two or more. Terms such as "upper," "lower," "left," "right," "inner," "outer," "front end," "rear end," "head," and "tail" indicate orientations or positional relationships based on the accompanying drawings, and are used solely for ease of description and simplification, not to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation; therefore, they should not be construed as limitations on this invention. Furthermore, terms such as "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. In this description, it should be noted that unless otherwise explicitly specified and limited, the terms "connected" and "linked" should be interpreted broadly. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections or electrical connections; direct connections or indirect connections through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.
[0036] It will be apparent to those skilled in the art that this utility model is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this utility model. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this utility model is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this utility model. No reference numerals in the claims should be construed as limiting the scope of the claims.
Claims
1. A diffuser polishing device, comprising a worktable (1), a first support plate (2) and a second support plate (3) respectively installed on the upper part of the worktable (1), and a hydraulic cylinder (4) connected to one side of the second support plate (3), an oil cylinder (6) being connected through the inside of the first support plate (2), and a piston rod (7) being provided inside the upper part of the oil cylinder (6), and a second gear (9) being provided on one side of the first support plate (2); Its features are: The hydraulic cylinder (4) is equipped with a clamping mechanism (5) at one end, which can clamp and fix diffusers of different diameters; The piston rod (7) is provided with an adjustment mechanism (8) on the outer side of one end, which can adaptively adjust the distance between the two polishing rollers (803) for diffusers of different diameters.
2. The diffuser polishing apparatus according to claim 1, characterized in that: The clamping mechanism (5) includes a clamping plate (501) installed at one end of the hydraulic cylinder (4), and a top block (502) is connected to the lower end of the clamping plate (501).
3. The diffuser polishing apparatus according to claim 2, characterized in that: The lower end of the top block (502) forms a sliding structure with the upper part of the worktable (1).
4. The diffuser polishing apparatus according to claim 2, characterized in that: A bidirectional telescopic rod (601) is installed at one end of the lower part of the oil cylinder (6), and both ends of the bidirectional telescopic rod (601) are connected to the top block (502).
5. A diffuser polishing apparatus according to claim 1, characterized in that: The adjusting mechanism (8) includes a connecting cylinder (801) sleeved on the outside of one end of the piston rod (7), and oil pipes (801a) are respectively connected to both sides of the connecting cylinder (801). A first gear (801b) is installed on the outside of the connecting cylinder (801), and a rotating cylinder (802) is provided at the end of the connecting cylinder (801). Polishing rollers (803) are slidably connected to the inner sides of both ends of the rotating cylinder (802), and a slider (804) is provided on the outside of the polishing roller (803).
6. A diffuser polishing apparatus according to claim 5, characterized in that: The slider (804) and the rotating cylinder (802) form a sealed sliding structure.
7. A diffuser polishing apparatus according to claim 5, characterized in that: The inner side of the oil cylinder (6) and the outer side of the piston rod (7) form a sealed sliding structure.
8. A diffuser polishing apparatus according to claim 5, characterized in that: The second gear (9) meshes with the first gear (801b).