Civil aero-engine blade surface polishing device

Abstract

The utility model relates to the technical field of engine blade polishing, and discloses a civil aero-engine blade surface polishing device which comprises a first supporting rod, the top of the first supporting rod is fixedly connected with a bearing plate, the top of the bearing plate is fixedly connected with a second supporting rod, and the top of the second supporting rod is fixedly connected with a hollow box. A movable grinding mechanism is arranged in the hollow box, a clamping mechanism is arranged at the bottom of the bearing plate, the movable grinding mechanism comprises a moving assembly and a grinding assembly, the moving assembly is arranged in the hollow box, the grinding assembly is arranged at the bottom of the moving assembly, and the grinding assembly comprises a rack; and the rack is fixedly connected to the inner bottom of the fixed box. And when the surface of the engine blade needs to be polished, the first fixing plate can be driven to move downwards through the electric telescopic rod, so that the bottom of the polisher body can make contact with the top of the engine blade, and the polisher is started to polish the engine blade.

Description

Technical Field

[0001] The utility model relates to the technical field of engine blade grinding, in particular to a surface grinding device for civil aviation engine blades. Background Art

[0002] An aircraft engine is an aircraft engine. The power distribution is mainly that the fan exhaust provides 78% of the thrust, and the turbine exhaust provides 22% of the thrust and provides and drives the accessory gearbox. The aircraft engine material refers to the various structural materials used to manufacture the main components of the aircraft engine, such as the cylinder, piston, compressor, combustion chamber, turbine, shaft and tail nozzle. In the early days, aircraft engines were made of aluminum alloy, magnesium alloy, high-strength steel and stainless steel; in the later period, in order to meet the needs of increasing engine thrust and improving aircraft flight speed, titanium alloy, high-temperature alloy and composite materials were successively used.

[0003] A civil aviation engine blade surface grinding device with announcement number CN 214869462 U, the protective cover is hinged on the above-mentioned cover shell through a hinge mechanism, the hinge mechanism includes a first block, a second block and a damping shaft, the first block and the second block are respectively arranged on the cover shell and the protective cover, a protrusion is arranged on the first block, the protrusion is hinged to the second block through the damping shaft, so that the protective cover is hinged on the cover shell through the damping shaft.

[0004] The civil aviation engine blade surface grinding device can grind the blade surface by means of a set grinding wheel, but the device cannot move by itself. When different places of the blade need to be ground, the position of the blade needs to be adjusted manually, which is time-consuming and labor-intensive, and therefore needs to be improved. Utility Model Content

[0005] The purpose of the utility model is to provide a surface grinding device for civil aviation engine blades to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a surface grinding device for a blade of a civil aviation engine, comprising a first support rod, a load-bearing plate is fixedly connected to the top of the first support rod, a second support rod is fixedly connected to the top of the load-bearing plate, a hollow box is fixedly connected to the top of the second support rod, a movable grinding mechanism is arranged inside the hollow box, and a clamping mechanism is arranged at the bottom of the load-bearing plate;

[0007] The mobile grinding mechanism comprises a mobile component and a grinding component. The mobile component is arranged inside the hollow box, and the grinding component is arranged at the bottom of the mobile component.

[0008] Preferably, the grinding assembly includes a rack, which is fixedly connected to the bottom of the fixed box, a gear is meshed on the top of the rack, a rotating rod is fixedly connected inside the gear, a worm wheel is fixedly connected to the middle of the outer periphery of the rotating rod, a worm is meshed on the bottom of the worm wheel, a first motor is fixedly connected to the left side of the worm, a pad is fixedly connected to the bottom of the first motor, the bottom of the pad is fixedly connected to the bottom of the fixed box, and slides are fixedly connected to the front and rear sides of the fixed box.

[0009] Preferably, a fixing groove corresponding to the movement track of the skateboard is opened inside the hollow box, and the skateboard is slidably connected to the inside of the fixing groove. The set skateboard can support and limit the fixed box, making the fixed box more stable during movement.

[0010] Preferably, the grinding assembly includes a connecting plate, the connecting plate is fixedly connected to the bottom of the fixed box, the bottom of the connecting plate is fixedly connected to an electric telescopic rod, the bottom of the electric telescopic rod is fixedly connected to a first fixed plate, the back end of the first fixed plate is fixedly connected to a second motor, the front end of the second motor is fixedly connected to a first threaded rod, the first threaded rod is rotatably connected to the inner front of the first fixed plate, the outer periphery of the first threaded rod is threadedly connected to a threaded block, and the bottom of the threaded block is fixedly connected to a grinder.

[0011] Preferably, a sliding groove corresponding to the movement trajectory of the threaded block is opened inside the first fixed plate, and the threaded block is slidably connected inside the sliding groove. The provided sliding groove can limit the threaded block, making the threaded block more stable during movement.

[0012] Preferably, the clamping mechanism includes a dual-axis motor, which is fixedly connected to the bottom of the load-bearing plate, and the dual-axis motor is fixedly connected to second threaded rods on both sides, the second threaded rod is rotatably connected to a second fixed plate on the left side, the second fixed plate is fixedly connected to the bottom of the load-bearing plate, the second threaded rod is threadedly connected to a threaded plate on the outer periphery, the threaded plate is fixedly connected to an L-shaped plate on the top, the L-shaped plate is threadedly connected to a third threaded rod on the inside, and the third threaded rod is fixedly connected to an anti-slip plate on the bottom.

[0013] Preferably, a limiting groove corresponding to the movement trajectory of the threaded plate is opened inside the load-bearing plate, and the threaded plate is slidably connected inside the limiting groove. The setting of the limiting groove can limit the threaded plate, making the threaded plate more stable during the movement.

[0014] Compared with the prior art, the utility model provides a surface grinding device for civil aviation engine blades, which has the following beneficial effects:

[0015] 1. The surface grinding device of the civil aviation engine blade is provided with a mobile grinding mechanism. When it is necessary to grind the surface of the engine blade, the electric telescopic rod can drive the first fixed plate to move downward so that the bottom of the grinder body can contact the top of the engine blade, and the grinder is turned on so that the grinder can grind the engine blade. When it is necessary to adjust the position of the blade, the second motor is turned on so that the second motor drives the threaded block to move through the first threaded rod, so that the threaded block can drive the grinder to move, so that the grinding position of the grinder can be adjusted forward and backward. When it is necessary to adjust the grinder left and right, the first motor is turned on so that the first motor drives the worm wheel to rotate through the worm, so that the worm wheel can drive the gear to rotate through the rotating rod, so that the gear can move on the rack, and the gear drives the fixed box to move through the rotating rod, so that the fixed box can drive the grinder to move left and right, so that the grinder can grind different positions of the engine blade.

[0016] 2. The surface grinding device for civil aviation engine blades, through the provided clamping mechanism, when it is necessary to grind the engine blades, the engine blades are placed in the middle of the top of the load-bearing plate, and the dual-axis motor is turned on, so that the dual-axis motor drives the threaded plate to move through the second threaded rod, so that the threaded plate can drive the L-shaped plate to move, and the L-shaped plate can drive the anti-skid plate to move through the third threaded rod. When the L-shaped plate moves to a suitable position, the third threaded rod is rotated so that the third threaded rod can drive the anti-skid plate to move downward, so that the bottom of the anti-skid plate can contact the top of the engine blade, and the engine blade is pressed to make the engine blade more stable during the grinding process. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative labor:

[0018] Figure 1 This is a schematic diagram of the front view structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the mobile grinding mechanism structure;

[0020] Figure 3 It is a schematic diagram of the structure of the mobile component;

[0021] Figure 4 This is a schematic diagram of the polishing component structure;

[0022] Figure 5 Schematic diagram of the clamping mechanism structure.

[0023] In the figure: 1. first support rod; 2. load-bearing plate; 3. clamping mechanism; 31. second fixed plate; 32. third threaded rod; 33. L-shaped plate; 34. second threaded rod; 35. dual-axis motor; 36. anti-skid disc; 37. threaded plate; 4. mobile grinding mechanism; 41. grinding assembly; 411. electric telescopic rod; 412. first fixed plate; 413. connecting plate; 414. first threaded rod; 415. threaded block; 416. grinder; 417. second motor; 42. mobile assembly; 421. pad; 422. first motor; 423. slide plate; 424. gear; 425. rotating rod; 426. worm gear; 427. worm; 428. fixed box; 429. rack; 5. hollow box; 6. second support rod. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like 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 an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0026] The utility model provides the following technical solutions:

[0027] Embodiment 1

[0028] See also Figure 1-5 The utility model provides a technical solution: a surface grinding device for a blade of a civil aviation engine, comprising a first support rod 1, a load-bearing plate 2 is fixedly connected to the top of the first support rod 1, a second support rod 6 is fixedly connected to the top of the load-bearing plate 2, a hollow box 5 is fixedly connected to the top of the second support rod 6, a movable grinding mechanism 4 is arranged inside the hollow box 5, and a clamping mechanism 3 is arranged at the bottom of the load-bearing plate 2;

[0029] The mobile grinding mechanism 4 includes a mobile component 42 and a grinding component 41. The mobile component 42 is arranged inside the hollow box 5, and the grinding component 41 is arranged at the bottom of the mobile component 42.

[0030] The grinding assembly 41 includes a rack 429, which is fixedly connected to the bottom of a fixed box 428. A gear 424 is meshed on the top of the rack 429. A rotating rod 425 is fixedly connected inside the gear 424. A worm wheel 426 is fixedly connected to the middle of the outer periphery of the rotating rod 425. A worm 427 is meshed at the bottom of the worm wheel 426. A first motor 422 is fixedly connected to the left side of the worm 427. A pad 421 is fixedly connected to the bottom of the first motor 422. The bottom of the pad 421 is fixedly connected to the bottom of the fixed box 428. A slide plate 423 is fixedly connected to the front and rear sides of the fixed box 428.

[0031] Furthermore, a fixed groove corresponding to the movement trajectory of the slide plate 423 is opened inside the hollow box 5, and the slide plate 423 is slidably connected inside the fixed groove. The set slide plate 423 can support and limit the fixed box 428, so that the fixed box 428 is more stable during the movement.

[0032] Embodiment 2

[0033] See also Figure 1-5 On the basis of the first embodiment, a grinding assembly 41 is further obtained, which includes a connecting plate 413, the connecting plate 413 is fixedly connected to the bottom of the fixed box 428, the bottom of the connecting plate 413 is fixedly connected to an electric telescopic rod 411, the bottom of the electric telescopic rod 411 is fixedly connected to a first fixed plate 412, the back end of the first fixed plate 412 is fixedly connected to a second motor 417, the front of the second motor 417 is fixedly connected to a first threaded rod 414, the first threaded rod 414 is rotatably connected to the inner front of the first fixed plate 412, the outer periphery of the first threaded rod 414 is threadedly connected to a threaded block 415, and the bottom of the threaded block 415 is fixedly connected to a grinder 416.

[0034] Furthermore, a slide groove corresponding to the movement trajectory of the threaded block 415 is opened inside the first fixed plate 412, and the threaded block 415 is slidably connected inside the slide groove. The set slide groove can limit the threaded block 415, making the threaded block 415 more stable during movement.

[0035] Embodiment 3

[0036] See also Figure 1-5 On the basis of the first and second embodiments, the clamping mechanism 3 further comprises a dual-axis motor 35, the dual-axis motor 35 is fixedly connected to the bottom of the load-bearing plate 2, the dual-axis motor 35 is fixedly connected to the second threaded rod 34 on both sides, the second threaded rod 34 is rotatably connected to the second fixed plate 31 on the left side, the second fixed plate 31 is fixedly connected to the bottom of the load-bearing plate 2, the second threaded rod 34 is threadedly connected to a threaded plate 37 on the outer periphery, the threaded plate 37 is fixedly connected to an L-shaped plate 33 on the top, the L-shaped plate 33 is threadedly connected to a third threaded rod 32 on the inner side, and the third threaded rod 32 is fixedly connected to an anti-slip plate 36 on the bottom.

[0037] Furthermore, a limiting groove corresponding to the movement trajectory of the threaded plate 37 is opened inside the load-bearing plate 2, and the threaded plate 37 is slidably connected inside the limiting groove. The setting of the limiting groove can limit the threaded plate 37, making the threaded plate 37 more stable during the movement.

[0038] In actual operation, when this device is used, when it is necessary to grind the engine blade, the engine blade is placed in the middle of the top of the load-bearing plate 2, and the dual-axis motor 35 is turned on, so that the dual-axis motor 35 drives the threaded plate 37 to move through the second threaded rod 34, so that the threaded plate 37 can drive the L-shaped plate 33 to move, so that the L-shaped plate 33 can drive the anti-skid plate 36 to move through the third threaded rod 32. When the L-shaped plate 33 moves to a suitable position, the third threaded rod 32 is rotated so that the third threaded rod 32 can drive the anti-skid plate 36 to move downward, so that the bottom of the anti-skid plate 36 can contact the top of the engine blade, and the engine blade is pressed. The first fixed plate 412 is driven downward by the electric telescopic rod 411 so that the bottom of the grinder 416 body can contact the top of the engine blade, and the grinder 416 is turned on so that the grinder 416 can The engine blades are polished. When the position of the blades needs to be adjusted, the second motor 417 is turned on, so that the second motor 417 drives the threaded block 415 to move through the first threaded rod 414, so that the threaded block 415 can drive the grinder 416 to move, so that the grinding position of the grinder 416 can be adjusted forward and backward. When the grinder 416 needs to be adjusted left and right, the first motor 422 is turned on, so that the first motor 422 drives the worm wheel 426 to rotate through the worm 427, so that the worm wheel 426 can drive the gear 424 to rotate through the rotating rod 425, so that the gear 424 can move on the rack 429, and the gear 424 drives the fixed box 428 to move through the rotating rod 425, so that the fixed box 428 can drive the grinder 416 to move left and right, so that the grinder 416 can polish different positions of the engine blades.

[0039] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the statement "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

Claims

1. A surface grinding device for a civil aviation engine blade, comprising a first support rod (1), characterized in that: The top of the first support rod (1) is fixedly connected to a load-bearing plate (2), the top of the load-bearing plate (2) is fixedly connected to a second support rod (6), the top of the second support rod (6) is fixedly connected to a hollow box (5), a movable grinding mechanism (4) is arranged inside the hollow box (5), and a clamping mechanism (3) is arranged at the bottom of the load-bearing plate (2); The mobile grinding mechanism (4) comprises a mobile component (42) and a grinding component (41); the mobile component (42) is arranged inside the hollow box (5); and the grinding component (41) is arranged at the bottom of the mobile component (42).

2. A civil aviation engine blade surface grinding device according to claim 1, characterized in that: The grinding assembly (41) comprises a rack (429), wherein the rack (429) is fixedly connected to the bottom of a fixed box (428), a gear (424) is meshed on the top of the rack (429), a rotating rod (425) is fixedly connected inside the gear (424), a worm wheel (426) is fixedly connected to the middle of the outer periphery of the rotating rod (425), a worm (427) is meshed on the bottom of the worm wheel (426), a first motor (422) is fixedly connected to the left side of the worm wheel (427), a pad (421) is fixedly connected to the bottom of the first motor (422), the bottom of the pad (421) is fixedly connected to the bottom of the fixed box (428), and a slide plate (423) is fixedly connected to the front and rear sides of the fixed box (428).

3. A civil aviation engine blade surface grinding device according to claim 2, characterized in that: A fixing groove corresponding to the movement track of the slide plate (423) is provided inside the hollow box (5), and the slide plate (423) is slidably connected inside the fixing groove.

4. The surface grinding device for a civil aviation engine blade according to claim 1, characterized in that: The grinding assembly (41) comprises a connecting plate (413), wherein the connecting plate (413) is fixedly connected to the bottom of the fixing box (428), the bottom of the connecting plate (413) is fixedly connected to an electric telescopic rod (411), the bottom of the electric telescopic rod (411) is fixedly connected to a first fixing plate (412), the back end of the first fixing plate (412) is fixedly connected to a second motor (417), the front of the second motor (417) is fixedly connected to a first threaded rod (414), the first threaded rod (414) is rotatably connected to the inner front of the first fixing plate (412), the outer periphery of the first threaded rod (414) is threadedly connected to a threaded block (415), and the bottom of the threaded block (415) is fixedly connected to a grinder (416).

5. A civil aviation engine blade surface grinding device according to claim 4, characterized in that: A sliding groove corresponding to the movement track of the threaded block (415) is provided inside the first fixing plate (412), and the threaded block (415) is slidably connected inside the sliding groove.

6. The surface grinding device for civil aviation engine blades according to claim 1, characterized in that: The clamping mechanism (3) comprises a double-axis motor (35), the double-axis motor (35) is fixedly connected to the bottom of the load-bearing plate (2), the left and right sides of the double-axis motor (35) are fixedly connected to second threaded rods (34), the left side of the second threaded rod (34) is rotatably connected to a second fixed plate (31), the second fixed plate (31) is fixedly connected to the bottom of the load-bearing plate (2), the outer periphery of the second threaded rod (34) is threadedly connected to a threaded plate (37), the top of the threaded plate (37) is fixedly connected to an L-shaped plate (33), the inner part of the L-shaped plate (33) is threadedly connected to a third threaded rod (32), and the bottom of the third threaded rod (32) is fixedly connected to an anti-slip plate (36).

7. A civil aviation engine blade surface grinding device according to claim 6, characterized in that: A limiting groove corresponding to the movement track of the threaded plate (37) is provided inside the load-bearing plate (2), and the threaded plate (37) is slidably connected inside the limiting groove.

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