Automatic polishing mechanism for musical instrument board

Abstract

The utility model relates to the field of board polishing devices, in particular to an automatic polishing mechanism for musical instrument boards, which comprises a polishing component, a clamp and a guide rail component, the guide rail component comprises a spacing adjusting guide rail, a first motor is fixedly mounted at the end of the spacing adjusting guide rail, and a first bidirectional screw is rotatably mounted in the spacing adjusting guide rail; the displacement guide rail is arranged on the two-way screw rod I in a sleeving manner; a second motor is fixedly installed at the end of the clamp guide rail, a second two-way screw is rotatably installed on the clamp guide rail, and through linkage of the distance adjusting guide rail, the displacement guide rail and the clamp guide rail, multi-dimensional accurate control is achieved, and the stability and consistency of plates in the polishing process are guaranteed; the angle adjusting motor can adjust the angle of the polishing frame, so that the contact angle between the polishing wheel and the plate is changed to adapt to plates of different shapes and curved surfaces.

Description

Technical Field

[0001] The utility model relates to the field of plate polishing devices, in particular to an automatic polishing mechanism for musical instrument plates. Background Art

[0002] Polishing the wood is a critical step in the musical instrument manufacturing process. High-quality polishing not only enhances the instrument's aesthetic appearance but also improves its sound quality and extends its lifespan. While traditional manual polishing methods allow for precise control, they suffer from low efficiency, high labor intensity, and poor consistency. With technological advancements, automated polishing equipment has been gradually introduced into musical instrument manufacturing to improve polishing quality and production efficiency.

[0003] There are several types of automatic grinding equipment on the market and their limitations:

[0004] Stationary grinding machine:

[0005] Advantages: simple structure and easy operation.

[0006] Disadvantages: It can only process plates of specific sizes and shapes, and has poor adaptability; it cannot perform multi-angle and multi-directional grinding, and lacks flexibility.

[0007] Manual mobile grinder:

[0008] Advantages: It can be moved flexibly and is suitable for panels of different shapes and sizes.

[0009] Disadvantages: Depends on manual operation, accuracy and consistency are difficult to guarantee; labor intensity is high and production efficiency is low.

[0010] Semi-automatic grinding equipment:

[0011] Advantages: Part of the process is automated, reducing manual labor intensity.

[0012] Disadvantages: Manual intervention is still required and the degree of automation is not high; the equipment is complex and the maintenance cost is high.

[0013] These traditional methods have the following problems:

[0014] Insufficient precision: Manual or semi-automatic grinding cannot guarantee consistency and high precision, which affects product quality.

[0015] Low efficiency: Manual grinding and semi-automatic grinding require a lot of human participation and have low production efficiency.

[0016] Poor adaptability: Fixed grinders can only process plates of specific sizes and shapes and cannot meet diverse needs.

[0017] Lack of flexibility: Traditional equipment is difficult to perform multi-angle and multi-directional grinding, which limits the grinding effect.

[0018] High labor intensity: Manual grinding and semi-automatic grinding require a lot of physical labor, which increases the burden on workers. Utility Model Content

[0019] (1) Technical problems solved

[0020] In view of the deficiencies in the prior art, the utility model provides an automatic polishing mechanism for musical instrument plates.

[0021] (2) Technical solution

[0022] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: The present invention provides an automatic polishing mechanism for musical instrument plates, comprising:

[0023] polishing components;

[0024] fixture;

[0025] A guide rail assembly, comprising:

[0026] A spacing adjustment guide rail, wherein a motor is fixedly mounted on the end of the spacing adjustment guide rail, and a bidirectional screw is rotatably mounted inside the spacing adjustment guide rail;

[0027] A displacement guide rail, wherein the displacement guide rail is sleeved on the bidirectional screw rod;

[0028] A fixture guide rail, the fixture guide rail is sleeved on a bidirectional screw rod 1, a motor 2 is fixedly mounted on the end of the fixture guide rail, and a bidirectional screw rod 2 is rotatably mounted on the fixture guide rail;

[0029] The driving end of the motor 1 is connected to the bidirectional screw 1 through a coupling;

[0030] The driving end of the second motor is connected to the second bidirectional screw;

[0031] A clamp comprising two clamping rods, wherein the two clamping rods are sleeved on both ends of the bidirectional screw rod;

[0032] A motor three is fixedly mounted on the end of the displacement guide rail, a threaded screw is rotatably mounted on the displacement guide rail, and the grinding assembly is sleeved on the threaded screw.

[0033] Preferably, the polishing assembly includes:

[0034] The base is an L-shaped structure and is sleeved on the threaded screw;

[0035] An angle adjustment motor, wherein the angle adjustment motor is fixedly mounted on the outside of the base;

[0036] A grinding frame, the grinding frame is hinged on the inner side of the base, and the output end of the angle adjustment motor is connected to the grinding frame;

[0037] The front end of the grinding frame is provided with a grinding groove;

[0038] A grinding motor, the grinding motor being fixedly mounted on a side of the grinding frame;

[0039] The grinding wheel is hinged in the grinding groove, the output end of the grinding motor is connected to the grinding wheel, and the grinding wheel is sleeved with a grinding belt.

[0040] Further preferably, the motor 1, motor 2, motor 3, angle adjustment motor and grinding motor are any one of a stepper motor or a servo motor.

[0041] Again preferably, a turntable is rotatably mounted on the inner side of the clamp rod, and two spring clamps are symmetrically provided on the turntable. A drive motor is fixedly mounted on the rear side of one of the clamp rods, and the output end of the drive motor passes through the clamp rod and is connected to the turntable.

[0042] Preferably, the spring clip includes a clamping plate, a telescopic spring and a telescopic rod, and a bracket is symmetrically provided on the turntable. The two ends of the telescopic spring are fixedly connected to the clamping plate and the bracket respectively, and the telescopic spring is sleeved on the outside of the telescopic rod.

[0043] Further preferably, the clamp further includes an anti-slip pad, which is arranged on the inner side of the clamping plate.

[0044] (3) Beneficial effects

[0045] Compared with the prior art, the present invention provides an automatic polishing mechanism for musical instrument plates, which has the following beneficial effects:

[0046] High-precision grinding:

[0047] Multi-axis linkage: Through the linkage of spacing adjustment guide rails, displacement guide rails and fixture guide rails, multi-dimensional precise control is achieved to ensure the stability and consistency of the plate during the grinding process.

[0048] Automated Operations:

[0049] Reduce manual intervention: The entire grinding process is driven by a motor, which reduces manual intervention and improves production efficiency.

[0050] Strong flexibility:

[0051] Adapt to different sizes and shapes: The spacing adjustment guide rail and the displacement guide rail can be flexibly adjusted to meet the grinding needs of plates of various sizes and shapes.

[0052] Multi-angle adjustment: The angle adjustment motor can adjust the angle of the grinding frame, thereby changing the contact angle between the grinding wheel and the plate to adapt to plates of different shapes and curves.

[0053] Multi-sided grinding: The turntable and drive motor in the clamp rod design can drive the spring clamp to rotate, making it easy to switch the grinding surface of the plate, thereby improving the grinding efficiency of the plate.

[0054] Enhanced clamping effect:

[0055] Spring clamp structure: The spring clamp consists of a splint, a telescopic spring and a telescopic rod. The telescopic spring provides elastic force, enabling the splint to firmly clamp the sheet. At the same time, the telescopic rod provides support, allowing the splint to move within a certain range to adapt to sheets of different thicknesses and shapes. BRIEF DESCRIPTION OF THE DRAWINGS

[0056] Figure 1 This is a schematic diagram of the top view of the structure of the utility model;

[0057] Figure 2 This is a schematic diagram of the structure of the displacement guide rail and the grinding assembly of the utility model;

[0058] Figure 3 This is a schematic diagram of the fixture structure for installing the fixture guide rail of the utility model;

[0059] Figure 4 This is a schematic diagram of the fixture structure of the utility model;

[0060] In the figure: 1. Spacing adjustment guide rail; 2. Clamp guide rail; 3. Displacement guide rail; 4. Motor 1; 5. Bidirectional screw 1; 6. Motor 2; 7. Bidirectional screw 2; 8. Motor 3; 9. Threaded screw; 10. Clamping rod; 11. Turntable; 12. Base; 13. Angle adjustment motor; 14. Grinding frame; 15. Grinding motor; 16. Grinding wheel; 17. Bracket; 18. Clamping plate; 19. Telescopic rod; 20. Telescopic spring; 21. Drive motor. DETAILED DESCRIPTION

[0061] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0062] See also Figure 1-4 The present invention is an automatic polishing mechanism for musical instrument plates. By integrating a polishing assembly, a fixture, and a guide rail assembly, it achieves efficient and precise plate polishing. The following is the specific working principle of the device:

[0063] Guide rail assembly:

[0064] Spacing adjustment guide 1:

[0065] Motor 1 4: fixedly installed at the end of the spacing adjustment guide rail 1.

[0066] Bidirectional screw 1 5: rotatably installed inside the spacing adjustment guide rail 1.

[0067] Coupling: The driving end of the motor 4 is connected to the bidirectional screw 5 through a coupling.

[0068] Function: Motor 14 drives bidirectional screw 15 to rotate, thereby driving displacement guide rail 3 and fixture guide rail 2 to move in opposite directions or in opposite directions along spacing adjustment guide rail 1, thereby achieving spacing adjustment between the two.

[0069] Displacement guide 3:

[0070] Sleeve arrangement: The displacement guide rail 3 is sleeved on the bidirectional screw 5.

[0071] Motor three 8: fixedly mounted on the end of the displacement guide rail 3.

[0072] Threaded screw 9: rotatably mounted on the displacement guide rail 3.

[0073] Function: Motor 3 8 drives the threaded screw 9 to rotate, thereby driving the grinding assembly to move along the displacement guide rail 3 to achieve lateral displacement of the grinding assembly.

[0074] Fixture guide 2:

[0075] Sleeve installation: The fixture guide rail 2 is sleeved on the bidirectional screw 5.

[0076] Motor 2 6: Fixedly mounted at the end of the fixture guide rail 2.

[0077] Bidirectional screw 2 7: rotatably mounted on the fixture guide rail 2.

[0078] Function: Motor 2 6 drives bidirectional screw 2 7 to rotate, thereby driving two clamping rods 10 to move along the clamp guide rail 2 to realize the opening and closing of the clamp to clamp or loosen the plate.

[0079] Fixture:

[0080] Clamping rod 10: The clamp includes two clamping rods 10, and the two clamping rods 10 are sleeved on both ends of the bidirectional screw rod 7.

[0081] Function: The motor 26 drives the bidirectional screw 27 to rotate, so that the two clamping rods 10 move relative to each other, thereby clamping or loosening the plate.

[0082] Polishing components:

[0083] Base 12: The base 12 is an L-shaped structure and is sleeved on the threaded screw 9.

[0084] Angle adjustment motor 13: fixedly mounted on the outside of the base 12.

[0085] The grinding frame 14 is hinged to the inner side of the base 12 , and the output end of the angle adjustment motor 13 is connected to the grinding frame 14 .

[0086] Grinding motor 15: fixedly mounted on the side of the grinding frame 14.

[0087] Grinding wheel 16 is hinged in the grinding groove. The output end of the grinding motor 15 is connected to the grinding wheel 16. The grinding wheel 16 is provided with a grinding belt.

[0088] Grinding groove: provided at the front end of the grinding frame 14 and used for accommodating the grinding wheel 16 .

[0089] Function: The angle adjustment motor 13 can adjust the angle of the grinding frame 14, thereby changing the contact angle between the grinding wheel 16 and the plate; the grinding motor 15 drives the grinding wheel 16 to rotate and perform the grinding operation.

[0090] Specific workflow

[0091] Installation and preparation:

[0092] Place the musical instrument plate to be polished on the fixture guide rail 2.

[0093] Start the motor 2 6 to drive the bidirectional screw 2 7 to rotate, so that the two clamping rods 10 clamp the plate.

[0094] Spacing adjustment:

[0095] According to the size of the plate and the grinding requirements, start the motor 4 to drive the bidirectional screw 5 to rotate and adjust the distance between the displacement guide rail 3 and the fixture guide rail 2.

[0096] Displacement adjustment:

[0097] Start the motor 3 8 to drive the screw rod 9 to rotate, so that the grinding assembly moves along the displacement guide rail 3 to a suitable starting position.

[0098] Angle adjustment:

[0099] The angle adjustment motor 13 is started to adjust the angle of the grinding frame 14 to ensure that the contact angle between the grinding wheel 16 and the plate meets the requirements.

[0100] Grinding work:

[0101] The grinding motor 15 is started to drive the grinding wheel 16 to rotate and start grinding the plate.

[0102] The motor 3 8 continues to drive the threaded screw 9 to rotate, so that the grinding assembly moves along the displacement guide rail 3 to complete the grinding process of the entire plate.

[0103] Finish sanding:

[0104] After the grinding is completed, the grinding motor 15 is turned off.

[0105] Start the motor 2 6 to drive the bidirectional screw 2 7 to rotate, loosen the clamping rod 10, and take out the polished plate.

[0106] Working principles of each preferred technical solution

[0107] Motor Type:

[0108] Stepper motor or servo motor: Motor 1 4, Motor 2 6, Motor 3 8, angle adjustment motor 13 and grinding motor 15 are all any one of stepper motors or servo motors.

[0109] Stepper motor: The motor's rotation angle and speed are controlled by pulse signals and are suitable for applications requiring high-precision positioning and control.

[0110] Servo motor: It has a closed-loop control system that can provide real-time feedback of position information and make adjustments to ensure higher accuracy and stability.

[0111] Function: These motors precisely control the position and speed of guide rails and fixtures, improving the accuracy and consistency of the grinding process.

[0112] Clamp bar 10 design:

[0113] Turntable 11: A turntable 11 is rotatably mounted on the inner side of the clamping rod 10 , and two spring clips are symmetrically arranged on the turntable 11 .

[0114] Driving motor 21 : A driving motor 21 is fixedly mounted on the rear side of one of the clamping rods 10 , and an output end of the driving motor 21 passes through the clamping rod 10 and is connected to the turntable 11 .

[0115] Function: The driving motor 21 can drive the turntable 11 to rotate, thereby driving the spring clamp to rotate, so as to adjust the angle of the plate, facilitate switching the grinding surface of the plate, and thus improve the grinding efficiency of the plate.

[0116] Spring clip structure:

[0117] Clamp 18 : The spring clamp includes a clamp 18 .

[0118] Telescopic spring 20: Both ends of the telescopic spring 20 are fixedly connected to the clamping plate 18 and the bracket 17 respectively.

[0119] Telescopic rod 19: The telescopic spring 20 is sleeved on the outside of the telescopic rod 19.

[0120] Bracket 17: Brackets 17 are symmetrically provided on the turntable 11.

[0121] Function: The telescopic spring 20 provides elastic force, so that the clamping plate 18 can firmly clamp the plate. At the same time, the telescopic rod 19 provides support, allowing the clamping plate 18 to move within a certain range to adapt to plates of different thicknesses and shapes.

[0122] Anti-slip mat:

[0123] Anti-slip pad: arranged on the inner side of the splint 18.

[0124] Function: The anti-slip pad increases the friction between the splint 18 and the plate, preventing the plate from sliding during the grinding process and protecting the plate surface from damage.

[0125] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An automatic polishing mechanism for musical instrument plates, characterized in that: include: polishing components; fixture; A guide rail assembly, comprising: A spacing adjustment guide rail (1), wherein a motor (4) is fixedly mounted on the end of the spacing adjustment guide rail (1), and a bidirectional screw (5) is rotatably mounted inside the spacing adjustment guide rail (1); A displacement guide rail (3), wherein the displacement guide rail (3) is sleeved on a bidirectional screw rod (5); A clamp guide rail (2), the clamp guide rail (2) is sleeved on a bidirectional screw rod (5), a motor (6) is fixedly mounted on the end of the clamp guide rail (2), and a bidirectional screw rod (7) is rotatably mounted on the clamp guide rail (2); The driving end of the motor 1 (4) is connected to the bidirectional screw 1 (5) through a coupling; The driving end of the second motor (6) is connected to the second bidirectional screw (7); A clamp, comprising two clamping rods (10), wherein the two clamping rods (10) are sleeved on both ends of a second bidirectional screw rod (7); A motor three (8) is fixedly mounted on the end of the displacement guide rail (3), a threaded screw (9) is rotatably mounted on the displacement guide rail (3), and the grinding assembly is sleeved on the threaded screw (9).

2. The automatic polishing mechanism for musical instrument plates according to claim 1, characterized in that: The grinding assembly comprises: A base (12), wherein the base (12) is an L-shaped structure, and the base (12) is sleeved on the threaded screw (9); An angle adjustment motor (13), wherein the angle adjustment motor (13) is fixedly mounted on the outside of the base (12); A grinding frame (14), the grinding frame (14) is hinged on the inner side of the base (12), and the output end of the angle adjustment motor (13) is connected to the grinding frame (14); The front end of the grinding frame (14) is provided with a grinding groove; A grinding motor (15), wherein the grinding motor (15) is fixedly mounted on a side of the grinding frame (14); A grinding wheel (16) is hinged in the grinding groove, an output end of the grinding motor (15) is connected to the grinding wheel (16), and a grinding belt is sleeved on the grinding wheel (16).

3. The automatic polishing mechanism for musical instrument plates according to claim 2, characterized in that: The motor 1 (4), motor 2 (6), motor 3 (8), angle adjustment motor (13) and grinding motor (15) are all any one of a stepping motor or a servo motor.

4. The automatic polishing mechanism for musical instrument plates according to claim 3, characterized in that: A turntable (11) is rotatably mounted on the inner side of the clamping rod (10), and two spring clamps are symmetrically arranged on the turntable (11). A driving motor (21) is fixedly mounted on the rear side of one of the clamping rods (10), and the output end of the driving motor (21) passes through the clamping rod (10) and is connected to the turntable (11).

5. The automatic polishing mechanism for musical instrument plates according to claim 4, characterized in that: The spring clamp comprises a clamping plate (18), a telescopic spring (20) and a telescopic rod (19); a bracket (17) is symmetrically provided on the turntable (11); two ends of the telescopic spring (20) are respectively fixedly connected to the clamping plate (18) and the bracket (17); and the telescopic spring (20) is sleeved on the outside of the telescopic rod (19).

6. The automatic polishing mechanism for musical instrument plates according to claim 5, characterized in that: The clamp further comprises an anti-skid pad, which is arranged on the inner side of the clamping plate (18).

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