High-precision centerless grinding machine for aircraft part machining

Abstract

The high-precision centerless grinding machine comprises a placing block, a grinding wheel and a guide wheel, the guide wheel is located on the front side of the placing block, the grinding wheel is located on the left side of the guide wheel, an arc-shaped groove is formed in the position, close to the center, of the left side of the placing block, and a fixing plate is fixedly connected to the position, close to the rear side, of the left side of the placing block; a material storage box is fixedly connected to the top of the fixing plate, and a discharging opening is formed in the position, close to the right side, of the bottom of the material storage box. When cylindrical aircraft parts with different diameters need to be machined, a supporting air cylinder can be started, two anti-falling plates can be driven to move when the supporting air cylinder is started, the distance between the anti-falling plates can be increased when the anti-falling plates move, and therefore the purpose of machining the cylindrical aircraft parts with different diameters is achieved.

Description

Technical Field

[0001] The invention relates to the technical field of centerless grinders, in particular to a high-precision centerless grinder for machining aircraft parts. Background Art

[0002] A centerless grinder is a type of grinder that does not require the workpiece's axis to be positioned for grinding. It is mainly composed of three mechanisms: a grinding wheel, a guide wheel, and a workpiece holder. Through its unique centerless clamping design, it achieves high-efficiency and high-precision cylindrical grinding. It is particularly suitable for large-scale, high-requirement precision parts production, but the processing quality must be ensured by precisely adjusting parameters such as the guide wheel angle and grinding wheel dressing.

[0003] When a centerless grinder processes cylindrical aircraft parts, it is necessary to select different brackets according to the diameter of the cylinder, which increases production costs. Then the cylindrical aircraft parts are pushed between the grinding wheel and the guide wheel for processing. This processing method requires manual filling by the staff, which increases the labor intensity of the staff. Summary of the Invention

[0004] To achieve the above object, the present invention provides the following technical solutions: A high-precision centerless grinder for processing aircraft parts comprises a placement block, a grinding wheel and a guide wheel, the guide wheel being located in front of the placement block, the grinding wheel being located on the left side of the guide wheel, an arc groove being provided on the left side of the placement block near the center, a fixed plate being fixedly connected to the left side of the placement block near the rear side, a material storage box being fixedly connected to the top of the fixed plate, a discharge port being provided on the bottom of the material storage box near the right side, an inclined plate being fixedly connected to the bottom of the material storage box near the center, a flip plate being attached to the bottom of the discharge port, a flip cylinder being hinged to the front side of the flip plate near the right side, the flip cylinder being mounted on the material storage box near the top, and the top of the flip plate being hinged to the material storage box near the right side.

[0005] Preferably, an active motor is fixedly connected to the rear side of the fixed plate near the right side, the power output shaft of the active motor passes through the fixed plate, and is fixedly connected to a discharge wheel, a plurality of grooves are opened on the outside of the discharge wheel, and the plurality of grooves are arranged in a circular array with the center of the discharge wheel as the center, the discharge wheel is located in the inner cavity of the arc groove, and the grooves are fitted with the workpiece.

[0006] Preferably, the front side of the fixed plate is fixedly connected to a blanking plate, a Y-shaped groove is provided on the top of the blanking plate, the blanking plate is located at the bottom of the blanking wheel, the inclined plate is located on the left side of the blanking wheel, the bottom of the placement block and the fixed plate are fixedly connected to a support plate, and the front sides of the two support plates are fixedly connected near the bottom with a connecting plate.

[0007] Preferably, a mounting plate is fixedly connected between the two support plates near the center, a pushing cylinder is installed at the center of the front side of the mounting plate, and a triangular plate is fixedly connected to the power output shaft of the pushing cylinder.

[0008] Preferably, the front sides of the two connecting plates are commonly fixedly connected to a base plate, the top center of the base plate is fixedly connected to a vertical plate, sliding openings are provided on the front and rear sides of the vertical plate, the top center of the base plate is fixedly connected to a support cylinder, and the power output shaft of the support cylinder is fixedly connected to a gear plate.

[0009] Preferably, the front and rear sides of the tooth plate are fixedly connected with sliders, and the two sliders are slidably connected to the adjacent sliding ports. The left and right sides of the tooth plate are engaged with opposing gears, and a central axis is fixedly provided through the center of the opposing gears. The front and rear ends of the two central axes are jointly connected with horizontal plates, and the bottoms of the two horizontal plates are fixedly connected to the vertical plates.

[0010] Preferably, the two opposing gears are meshed with sliding plates, a sleeve block is sleeved on the outer side of the sliding plate near the bottom end, the front and rear sides of the sleeve block are fixedly connected to the adjacent cross plate, the top of the tooth plate is fixedly connected to a linkage plate, the top of the linkage plate is fixedly connected to a V-shaped support plate, and the corresponding sides of the two sliding plates are fixedly connected to an anti-slip plate.

[0011] Compared with the prior art, the present invention has the following beneficial effects: The present invention realizes that when cylindrical aircraft parts with different diameters need to be processed, the supporting cylinder can be started through the mutual cooperation between the anti-slip plate, the V-shaped supporting plate, the linkage plate, the sliding plate, the tooth plate, the opposing gear, the vertical plate, the sliding block, the supporting cylinder, the bottom plate and the like. When the supporting cylinder is started, the two anti-slip plates can be driven to move. When the anti-slip plates move, the distance between them can be increased, thereby meeting the purpose of processing cylindrical aircraft parts with different diameters.

[0012] The present invention can achieve the purpose of automated unloading through the mutual cooperation between the placing block, storage box, unloading wheel, unloading plate, support plate, connecting plate, mounting plate, pushing cylinder, fixing plate and other components, thereby improving processing efficiency and reducing the labor intensity of staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure of the present invention; Figure 2 It is a bottom view of the structure of the present invention; Figure 3 This is a plan view of the horizontal plate structure of the component of the present invention; Figure 4 This is a schematic diagram of the cross plate structure of the component of the present invention; Figure 5This is a schematic diagram of the component support plate structure of the present invention; Figure 6 This is a plan view of the component support plate structure of the present invention; Figure 7 This is a structural diagram of the flip plate component of the present invention.

[0014] Numbers in the figure: 1. Placement block; 2. Unloading plate; 3. Storage box; 4. Fixed plate; 5. Support plate; 6. Grinding wheel; 7. Guide wheel; 8. Connecting plate; 9. Bottom plate; 10. Anti-slip plate; 11. Horizontal plate; 12. Slider; 13. Vertical plate; 14. Bushing block; 15. Sliding plate; 16. Opposite gear; 17. Active motor; 18. Tooth plate; 19. Linkage plate; 20. V-shaped support plate; 21. Flip plate; 22. Flip cylinder; 23. Unloading wheel; 24. Inclined plate; 25. Mounting plate; 26. Push cylinder; 27. Triangular plate; 28. Support cylinder. DETAILED DESCRIPTION

[0015] See also Figure 1-7 , the present invention provides a technical solution: A high-precision centerless grinder for processing aircraft parts includes a placement block 1, a grinding wheel 6 and a guide wheel 7. The guide wheel 7 is located on the front side of the placement block 1, and the grinding wheel 6 is located on the left side of the guide wheel 7. An arc groove is provided on the left side of the placement block 1 near the center. A fixed plate 4 is fixedly connected to the left side of the placement block 1 near the rear side. A storage box 3 is fixedly connected to the top of the fixed plate 4. A discharge port is provided at the bottom of the storage box 3 near the right side. An inclined plate 24 is fixedly connected to the bottom of the storage box 3 near the center. A flip plate 21 is attached to the bottom of the discharge port. A flip cylinder 22 is hinged to the front side of the flip plate 21 near the right side. The flip cylinder 22 is installed on the storage box 3 near the top. The top of the flip plate 21 is hinged to the storage box 3 near the right side.

[0016] The rear side of the fixed plate 4 is fixedly connected to an active motor 17 near the right side, and the power output shaft of the active motor 17 passes through the fixed plate 4 and is fixedly connected to a blanking wheel 23. A number of grooves are provided on the outside of the blanking wheel 23, and the several grooves are arranged in a circular array as the center of the blanking wheel 23. The blanking wheel 23 is located in the inner cavity of the arc groove, and the groove is fitted with a workpiece. The front side of the fixed plate 4 is fixedly connected to a blanking plate 2, and a Y-shaped groove is provided on the top of the blanking plate 2. The blanking plate 2 is located at the bottom of the blanking wheel 23, and the inclined plate 24 is located on the left side of the blanking wheel 23. The bottom of the placement block 1 and the fixed plate 4 are fixedly connected to a support plate 5, and the front sides of the two support plates 5 are fixedly connected to a connecting plate 8 near the bottom. A mounting plate 25 is fixedly connected between the two support plates 5 near the center. A pushing cylinder 26 is installed at the center of the front side of the mounting plate 25, and the power output shaft of the pushing cylinder 26 is fixedly connected to a triangular plate 27; When the flip cylinder 22 is started, the flip plate 21 can be driven to flip through the power output shaft, so that the workpiece inside the storage box 3 falls onto the inclined plate 24, and the workpiece can fit along the surface of the inclined plate 24 and the groove on the outside of the unloading wheel 23. When the active motor 17 is started, the unloading wheel 23 can be driven to rotate. When the unloading wheel 23 rotates, it can prevent the workpiece from falling by fitting with the arc groove on the placement block 1. When the workpiece leaves the inner cavity of the arc groove, it can fall into the Y-groove inner cavity of the unloading plate 2 and slide between the two anti-slip plates 10. When the pushing cylinder 26 is started, the triangular plate 27 can be driven to move through the power output shaft, and the workpiece is pushed between the grinding wheel 6 and the guide wheel 7 for processing.

[0017] The front sides of the two connecting plates 8 are fixedly connected to the bottom plate 9, and the center of the top of the bottom plate 9 is fixedly connected to the vertical plate 13. The vertical plate 13 has sliding openings on both the front and rear sides. The center of the top of the bottom plate 9 is fixedly connected to the support cylinder 28. The power output shaft of the support cylinder 28 is fixedly connected to the tooth plate 18. The front and rear sides of the tooth plate 18 are fixedly connected to the slider 12. The two sliders 12 are slidably connected to the adjacent sliding openings. The left and right sides of the tooth plate 18 are meshed with opposing gears 16. The center of the opposing gear 16 is fixedly penetrated. Spindle, the front and rear ends of the two central shafts are commonly connected with a horizontal plate 11, the bottoms of the two horizontal plates 11 are fixedly connected to the vertical plate 13, the two opposing gears 16 are meshed with a sliding plate 15, the outer side of the sliding plate 15 near the bottom end is sleeved with a sleeve block 14, the front and rear sides of the sleeve block 14 are fixedly connected to the adjacent horizontal plate 11, the top of the tooth plate 18 is fixedly connected to a linkage plate 19, the top of the linkage plate 19 is fixedly connected to a V-shaped support plate 20, and the corresponding side of the two sliding plates 15 is fixedly connected to an anti-slip plate 10; The staff puts the workpiece into the inner cavity of the storage box 3 and starts the supporting cylinder 28. When the supporting cylinder 28 is started, the tooth plate 18 can be driven to move upward through the power output shaft. When the tooth plate 18 moves upward, it can drive the two opposing gears 16 to rotate synchronously. When the two opposing gears 16 rotate synchronously, they can drive the adjacent sliding plates 15 to move. When the sliding plates 15 move, they can drive the adjacent anti-slip plates 10 to move synchronously, thereby adjusting the distance between the two anti-slip plates 10 according to the diameter of the workpiece. Moreover, when the tooth plate 18 is active, it can drive the V-shaped supporting plate 20 to move through the linkage plate 19. The V-shaped The support plate 20 can contact the bottom of the two anti-slip plates 10 to achieve a secondary fixation effect. Through the mutual cooperation between the anti-slip plate 10, the V-shaped support plate 20, the linkage plate 19, the sliding plate 15, the tooth plate 18, the opposing gear 16, the vertical plate 13, the slider 12, the support cylinder 28, the bottom plate 9 and other components, it can be achieved that when it is necessary to process cylindrical aircraft parts of different diameters, the support cylinder 28 can be started. When the support cylinder 28 is started, the two anti-slip plates 10 can be driven to move. When the anti-slip plates 10 move, the distance between them can be increased, thereby meeting the purpose of processing cylindrical aircraft parts of different diameters.

[0018] Working principle: First, the staff puts the workpiece into the inner cavity of the storage box 3 and starts the supporting cylinder 28. When the supporting cylinder 28 is started, the tooth plate 18 can be driven to move upward through the power output shaft. When the tooth plate 18 moves upward, it can drive the two opposing gears 16 to rotate synchronously. When the two opposing gears 16 rotate synchronously, they can drive the adjacent sliding plates 15 to move. When the sliding plates 15 move, they can drive the adjacent anti-slip plates 10 to move synchronously, thereby adjusting the distance between the two anti-slip plates 10 according to the diameter of the workpiece. Moreover, when the tooth plate 18 moves, it can drive the V-shaped supporting plate 20 to move through the linkage plate 19, and the V-shaped supporting plate 20 can contact the bottom of the two anti-slip plates 10. To achieve the effect of secondary fixation, when the flip cylinder 22 is started, the flip plate 21 can be driven to flip through the power output shaft, so that the workpiece inside the storage box 3 falls onto the inclined plate 24, and the workpiece can fit along the surface of the inclined plate 24 and the groove on the outside of the unloading wheel 23. When the active motor 17 is started, the unloading wheel 23 can be driven to rotate. When the unloading wheel 23 rotates, it can prevent the workpiece from falling by fitting with the arc groove on the placement block 1. When the workpiece detaches from the inner cavity of the arc groove, it can fall into the Y-groove inner cavity of the unloading plate 2 and slide between the two anti-slip plates 10. When the pushing cylinder 26 is started, the triangular plate 27 can be driven to move through the power output shaft, and the workpiece is pushed between the grinding wheel 6 and the guide wheel 7 for processing.

Claims

1. A high-precision centerless grinding machine for machining aircraft parts, comprising a placement block (1), a grinding wheel (6) and a guide wheel (7), characterized in that: The guide wheel (7) is located at the front side of the placement block (1), the grinding wheel (6) is located at the left side of the guide wheel (7), an arc groove is provided on the left side of the placement block (1) near the center, a fixed plate (4) is fixedly connected to the left side of the placement block (1) near the rear side, a storage box (3) is fixedly connected to the top of the fixed plate (4), a discharge port is provided at the bottom of the storage box (3) near the right side, an inclined plate (24) is fixedly connected to the bottom of the storage box (3) near the center, a flip plate (21) is attached to the bottom of the discharge port, a flip cylinder (22) is hinged to the front side of the flip plate (21) near the right side, the flip cylinder (22) is installed on the storage box (3) near the top, and the top of the flip plate (21) is hinged to the storage box (3) near the right side.

2. A high-precision centerless grinding machine for machining aircraft parts according to claim 1, characterized in that: An active motor (17) is fixedly connected to the rear side of the fixed plate (4) near the right side. The power output shaft of the active motor (17) passes through the fixed plate (4) and is fixedly connected to a discharge wheel (23). A plurality of grooves are provided on the outer side of the discharge wheel (23). The plurality of grooves are arranged in a circular array with the center of the discharge wheel (23) as the center. The discharge wheel (23) is located in the inner cavity of the arc groove, and the grooves are fitted with the workpiece.

3. A high-precision centerless grinding machine for machining aircraft parts according to claim 2, characterized in that: The front side of the fixed plate (4) is fixedly connected to a blanking plate (2), the top of the blanking plate (2) is provided with a Y-shaped groove, the blanking plate (2) is located at the bottom of the blanking wheel (23), the inclined plate (24) is located on the left side of the blanking wheel (23), the bottoms of the placement block (1) and the fixed plate (4) are fixedly connected to a support plate (5), and the front sides of the two support plates (5) near the bottom are fixedly connected to a connecting plate (8).

4. A high-precision centerless grinding machine for machining aircraft parts according to claim 3, characterized in that: A mounting plate (25) is fixedly connected between the two support plates (5) near the center, a pushing cylinder (26) is installed at the center of the front side of the mounting plate (25), and a triangular plate (27) is fixedly connected to the power output shaft of the pushing cylinder (26).

5. A high-precision centerless grinding machine for machining aircraft parts according to claim 4, characterized in that: The front sides of the two connecting plates (8) are fixedly connected to a bottom plate (9), the top center of the bottom plate (9) is fixedly connected to a vertical plate (13), the front and rear sides of the vertical plate (13) are provided with sliding openings, the top center of the bottom plate (9) is fixedly connected to a support cylinder (28), and the power output shaft of the support cylinder (28) is fixedly connected to a tooth plate (18).

6. The high-precision centerless grinding machine for machining aircraft parts according to claim 1, characterized in that: The front and rear sides of the tooth plate (18) are fixedly connected to sliders (12), and the two sliders (12) are slidably connected to adjacent sliding ports. The left and right sides of the tooth plate (18) are meshed with opposing gears (16), and a central shaft is fixedly provided at the center of the opposing gear (16). The front and rear ends of the two central shafts are commonly connected to horizontal plates (11), and the bottoms of the two horizontal plates (11) are fixedly connected to the vertical plates (13).

7. A high-precision centerless grinding machine for machining aircraft parts according to claim 6, characterized in that: The two opposing gears (16) are both meshed with a sliding plate (15), a sleeve block (14) is sleeved on the outer side of the sliding plate (15) near the bottom end, and the front and rear sides of the sleeve block (14) are fixedly connected to the adjacent transverse plate (11), the top of the tooth plate (18) is fixedly connected to a linkage plate (19), and the top of the linkage plate (19) is fixedly connected to a V-shaped support plate (20), and the corresponding sides of the two sliding plates (15) are fixedly connected to an anti-slip plate (10).

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