Piano white key upper key skin surface laser processing device

By designing a laser processing device for the key skin surface of piano white keys, the problems of low precision and slow speed of existing marking machines have been solved, achieving high-precision and high-efficiency key skin processing, and enhancing the bonding strength between the key skin and the solid wood piano keys and the processing efficiency.

CN223629688UActive Publication Date: 2025-12-05SUZHOU T H M CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202423143736.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-19
Publication Date
2025-12-05
Estimated Expiration
2034-12-19

AI Technical Summary

Technical Problem

In existing technologies, when bonding the white key skin of a piano to the solid wood keys, the laser marking machine has low marking position accuracy, slow processing speed, and insufficient flexibility, which affects the bonding firmness and processing efficiency.

Method used

Design a laser processing device for the surface of the white keys of a piano, including an upper frame assembly, a lower frame assembly, a fixture assembly and a control system. The device uses a clamping cylinder to drive a pressure block to clamp the fixture, enabling rapid switching and high-precision laser engraving. It supports multiple file formats, is easy to operate, and has high-precision and high-speed processing capabilities.

Benefits of technology

It improves the positioning and marking accuracy of white key skins, enables efficient and quick processing of key skins of different specifications, and enhances the bonding strength between the key skins and solid wood keys and the processing efficiency.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223629688U_ABST
    Figure CN223629688U_ABST
Patent Text Reader

Abstract

The piano white key upper key skin surface laser processing device comprises an upper rack assembly, a lower rack assembly, a jig assembly and a control system, the upper rack assembly is arranged above the lower rack assembly, a workbench is arranged between the upper rack assembly and the lower rack assembly, the jig assembly is arranged on the workbench, the control system is arranged above the lower rack assembly, and the control system is connected with the jig assembly. The lower rack assembly is connected with the upper rack assembly; the upper rack assembly comprises an upper rack, a filter, a lifting safety door, a laser marking press, a vertical linear guide rail, a safety door driving air cylinder and a plurality of gas nozzles, the lower rack assembly comprises a lower rack, a marking press controller, an air conditioner, a smoke dust collector and a gas source processor, and the jig assembly comprises a propelling air cylinder, a horizontal linear guide rail, a pressing air cylinder, a pressing block and a jig. The control system comprises an electric control cabinet, a touch screen, a three-color lamp, an indicator lamp and two start buttons. The positioning precision of the white key skins and the marking precision of the marking machine can be improved, and roughening treatment on the back faces of the white key skins of different specifications is achieved.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to laser processing equipment field, concretely relates to a piano white key upper key skin surface laser processing device. BACKGROUND

[0002] It is known that the piano key is composed of black and white keys. The white key is a white key, which is long in length, wide in width and low in height. The material selection of the modern piano white key is mainly to meet the requirements of weather resistance, wear resistance and touch feeling. The piano white key is composed of key skin and solid wood key. Since ABS engineering plastic has the advantages of good weather resistance, strong ultraviolet resistance, not easy to fade and yellow, high hardness, scratch resistance and high gloss, it can prolong the service life and maintain good appearance effect. Therefore, the key skin is usually made of ABS engineering plastic, which is cut into the same shape as the solid wood key after being made, and then is attached to the solid wood key. This design not only increases the strength, but also is not easy to deform and crack.

[0003] At present, in order to ensure the firmness of the key skin adhered to the solid wood key, the back surface of the white key skin is usually roughened before the key skin is adhered to the solid wood key, so that it can be adhered more firmly to the solid wood key. The traditional processing method is generally to use a laser marking machine to perform laser marking processing, but the marking position precision is not high, the marking processing speed is slow, and the processing efficiency is not high. In addition, the flexibility of the traditional laser marking machine is slightly insufficient, which affects the processing effect.

[0004] In view of the above defects in the prior art, the present application is produced. CONTENT OF THE UTILITY MODEL

[0005] To solve the above technical problems, we propose a piano white key upper key skin surface laser processing device, which can improve the positioning precision of the white key skin and achieve high precision of the marking machine, and realize roughening treatment of the back surface of the white key skin of different specifications.

[0006] To achieve the above purpose, the technical scheme of the utility model is as follows:

[0007] A piano white key upper key skin surface laser processing device, comprising an upper rack assembly, a lower rack assembly, a jig assembly and a control system, the upper rack assembly is arranged above the lower rack assembly, and a workbench is arranged between the upper rack assembly and the lower rack assembly, the jig assembly is arranged on the workbench, and the control system is arranged above the lower rack assembly and connected with the upper rack assembly.

[0008] The upper rack assembly comprises an upper rack, a filter, a lifting safety door, a laser engraving machine, a vertical linear guide, a safety door driving cylinder and a plurality of gas nozzles, the vertical linear guide is arranged in the middle of the front side of the upper rack, the lifting safety door is slidably connected on the vertical linear guide at both sides, and is driven by the safety door driving cylinder, the filter is arranged on the top of the upper rack, the laser engraving machine is arranged near the middle of the upper part of the upper rack, and at least one gas nozzle is arranged beside the lens of the laser engraving machine; the lower rack assembly comprises a lower rack, an engraving machine controller, an air conditioner, a smoke dust collector and a gas source processor, the engraving machine controller is fixed on the middle of the lower side of the lower rack, the air outlet and the air inlet of the air conditioner are isolated from each other, the smoke dust collector is arranged near the upper corner of the lower rack and is connected with the filter through a pipeline; the jig assembly comprises a pushing cylinder, a horizontal linear guide, a pressing cylinder, a pressing block and a jig, the horizontal linear guide is fixed on the workbench and is slidably connected with the mounting plate fixed on the bottom of the jig, the side edge of the mounting plate is connected with the driving end of the pushing cylinder, the pressing cylinder is further arranged above the mounting plate, the driving end of the pressing cylinder is connected with the pressing block, and the pressing block is located above the jig and can drive the pressing block to press the product on the jig through the pressing cylinder; the control system comprises an electric control cabinet, a touch screen, a three-color lamp, an indicator lamp and two start buttons, the electric control cabinet is arranged on one side above the lower rack, the middle of the front side of the electric control cabinet is provided with the touch screen, the top of the electric control cabinet is provided with the three-color lamp, the lower side of the touch screen is provided with the indicator lamp, and the two start buttons are arranged on both sides of the middle of the front of the upper rack.

[0009] Preferably, the upper rack assembly comprises a region sensor, an electromagnetic lock, a proximity sensor and a laser protection glass, the region sensor is arranged on the upper side of the upper rack, the electromagnetic lock is arranged on the lower side of the upper rack and is arranged near the inner side of the start button, the proximity sensor is arranged on the inner wall of the upper rack, and the laser protection glass is arranged on the lifting safety door.

[0010] Preferably, the gas nozzle is 5, and is arranged beside the product carried by the jig below the lens of the laser engraving machine, is arranged on the lower side of the product carried by the jig below the lens, is arranged at the lens lens position of the laser engraving machine, and a dust collecting cover is arranged near each gas nozzle.

[0011] Preferably, the lower rack assembly further comprises a solenoid valve, a pressure regulating valve and a water bucket, the solenoid valve is connected with the gas source processor through a pipeline, the pressure regulating valve is connected with the smoke dust collector through a pipeline, and the smoke dust collector is connected with the water bucket through a hose.

[0012] Preferably, the jig assembly part further comprises a buffer, a sensor and a cover plate, the buffer is arranged on the workbench and in contact with the jig when the jig driven by the advancing cylinder reaches below the lens of the laser marking machine; the cover plate is arranged on the workbench obliquely below the lens of the laser marking machine and shields light when the laser marking machine marks the product.

[0013] Preferably, the bottom front side of the lifting safety door is further provided with an auxiliary workbench.

[0014] Through the above technical scheme, the utility model discloses a top rack assembly, lower rack assembly, jig assembly and control system are designed, top rack assembly is arranged at the top of lower rack assembly, and the workbench is arranged between top rack assembly and lower rack assembly, the jig assembly is arranged on the workbench, and the control system is arranged above lower rack assembly and is connected with top rack assembly, top rack assembly includes upper frame, filter, lifting safety door, laser marking machine, vertical linear guide rail, safety door drive cylinder and a plurality of gas nozzles, lower rack assembly includes lower frame, marking machine controller, air conditioner, smoke dust collector and gas source processor, jig assembly includes advancing cylinder, horizontal linear guide rail, compression cylinder, pressing block and jig, and control system includes electric control cabinet, touch screen, three-color lamp, pilot lamp and two start buttons. Realize the quick switching jig and the laser marking of white key skin, and the pressing block is driven by compression cylinder to compress the jig, and the pressing block can be replaced by quick change mode, and the operation is simple and convenient. The product is compressed by the pressing block driven by the compression cylinder link, and the product is advanced and retreated by the advancing cylinder to load and mark. Efficient and fast, support multiple file formats, easy to operate, can realize the input, editing and output of graphics through software control, has high precision and high speed processing capacity. Thus, the positioning precision of the white key skin is improved, and the high precision of the marking machine is reached. Different specifications of white key skin can meet the positioning and marking at the same time. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the following embodiment or prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and those skilled in the art can obtain other drawings according to these drawings without creating any creative labor.

[0016] Figure 1 It is a front view of the piano white key upper key skin surface laser processing device disclosed in the embodiment;

[0017] Figure 2 It is a side view of the piano white key upper key skin surface laser processing device disclosed in the embodiment;

[0018] Figure 3 Figure 1 is a top view of a piano white key surface laser processing device disclosed in the present embodiment;

[0019] Figure 4 Figure 2 is a front view of an upper frame of a piano white key surface laser processing device disclosed in the present embodiment;

[0020] Figure 5 Figure 3 is a side view of an upper frame of a piano white key surface laser processing device disclosed in the present embodiment; Figure 4 Figure 4 is a sectional view along M-M direction;

[0021] Figure 6 Figure 5 is a side view of a lower frame of a piano white key surface laser processing device disclosed in the present embodiment;

[0022] Figure 7 Figure 6 is a front view of a lower frame of a piano white key surface laser processing device disclosed in the present embodiment;

[0023] Figure 8 Figure 7 is a side view of a lower frame of a piano white key surface laser processing device disclosed in the present embodiment;

[0024] Figure 9 Figure 8 is a front view of a jig assembly of a piano white key surface laser processing device disclosed in the present embodiment;

[0025] Figure 10 Figure 9 is a side view of a jig assembly of a piano white key surface laser processing device disclosed in the present embodiment;

[0026] Figure 11 Figure 10 is a top view of a jig assembly of a piano white key surface laser processing device disclosed in the present embodiment;

[0027] Figure 12 Figure 11 is a front view of an electric control cabinet of a piano white key surface laser processing device disclosed in the present embodiment.

[0028] Corresponding component names represented by the numbers in the figure: 11. Upper frame 12. Filter 13. Lifting safety door 14. Laser engraving machine 15. Vertical linear guide rail 16. Safety door driving cylinder 17. Gas nozzle 18. Area sensor 19. Electromagnetic lock 110. Proximity sensor 111. Laser protection glass 21. Lower frame 22. Engraving machine controller 23. Air conditioner 24. Smoke dust collector 25. Gas source processor 26. Solenoid valve 27. Pressure regulating valve 28. Water bucket 31. Propelling cylinder 32. Horizontal linear guide rail 33. Pressing cylinder 34. Polyurethane pressing block 35. Jig 36. Buffer 37. Sensor 38. Cover plate 41. Electric control cabinet 42. Touch screen 43. Three-color light 44. Indicator light 45. Start button 46. Emergency stop button 5. Workbench 6. Auxiliary workbench DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0030] The utility model will be further described in detail below with reference to the embodiments and specific implementation manners.

[0031] Embodiment

[0032] As shown in Figure 1 , Figure 2 and Figure 3 , a piano white key upper key surface laser processing device, including upper rack assembly, lower rack assembly, fixture assembly and control system, the upper rack assembly is arranged above the lower rack assembly, and the upper rack assembly and the lower rack assembly are provided with a workbench, the fixture assembly is arranged on the workbench, the control system is arranged above the lower rack assembly and is connected with the upper rack assembly.

[0033] As shown in Figure 4 and Figure 5 , the upper rack assembly includes upper rack 11, filter 12, lifting safety door 13, laser marking machine 14, vertical linear guide rail 15, safety door driving cylinder 16 and five gas nozzles 17, the vertical linear guide rail 15 is arranged in the front middle part of the upper rack 11, the lifting safety door 13 is slidably connected on the vertical linear guide rail 15 on both sides and is driven by the safety door driving cylinder 16, the filter 12 is arranged on the top of the upper rack 11, the laser marking machine 14 is arranged near the upper middle part of the upper rack 11, the gas nozzle 17 is five, and one is arranged beside the product carried by the jig below the lens of the laser marking machine 14, two are arranged below the lens of the jig carried by the product, two are arranged at the lens position of the laser marking machine 14, and a dust collecting cover is arranged near each gas nozzle 17.

[0034] As shown in Figures 6-8 , the lower rack assembly includes lower rack 21, marking machine controller 22, air conditioner 23, smoke dust collector 24 and gas source processor 25, the marking machine controller 22 is fixed in the middle part of the lower side of the lower rack 21, the air outlet and the air inlet of the air conditioner 23 are mutually isolated, the smoke dust collector 24 is arranged near the upper side corner of the lower rack 21 and is connected with the filter 12 through a pipeline. Figures 9-12As shown, the jig assembly includes a pushing cylinder 31, a horizontal linear guide 32, a pressing cylinder 33, a polyurethane pressing block 34 and a jig 35. The horizontal linear guide 32 is fixed on the workbench 5 and is in sliding connection with the mounting plate fixed at the bottom of the jig 35. The side edges of the mounting plate are connected with the driving end of the pushing cylinder 31. The pressing cylinder 33 is further arranged above the mounting plate and is connected with the polyurethane pressing block 34. The polyurethane pressing block 34 is located above the jig 35 and can drive the polyurethane pressing block 34 to press the product on the jig 35 through the pressing cylinder 33. Figure 12 As shown, the control system includes an electric control cabinet 41, a touch screen 42, a three-color lamp 43, an indicator lamp 44, two start buttons 45 and an emergency stop button 46. The electric control cabinet 41 is arranged on one side above the lower rack 21. The front side of the electric control cabinet 41 is provided with the touch screen 42 in the middle. The top of the electric control cabinet 41 is provided with the three-color lamp 43. The lower side of the touch screen 42 is provided with the indicator lamp 44. The two start buttons 45 are arranged on the two sides of the front middle part of the upper rack 21.

[0035] As shown in Figure 1 , 4 and 5, the upper rack assembly further includes a region sensor 18, an electromagnetic lock 19, a proximity sensor 110 and a laser protection glass 111. The region sensor 18 is arranged on the upper side of the upper rack 11. The electromagnetic lock 19 is arranged on the lower side of the upper rack 11 and is close to the inner side of the start button 45. The proximity sensor 110 is arranged on the inner wall of the upper rack. The laser protection glass 111 is arranged on the lifting safety door 13.

[0036] At the same time, as shown in Figure 7 and 8 , the lower rack assembly further includes a solenoid valve 26, a pressure regulating valve 27 and a water bucket 28. The solenoid valve 26 is connected with the gas source processor 25 through a pipeline. The pressure regulating valve 27 is connected with the smoke dust collector 24 through a pipeline. The smoke dust collector 24 is connected with the water bucket 28 through a hose.

[0037] In addition, as shown in Figures 9-11 , the jig assembly further includes a buffer 36, a sensor 37 and a cover plate 38. The buffer 36 is arranged on the workbench 5 and is in buffering contact with the jig 35 when the jig 35 driven by the pushing cylinder 31 reaches below the lens of the laser engraver 14. The cover plate 38 is arranged on the workbench 5 obliquely below the lens of the laser engraver 14 and performs light shielding when the laser engraver 14 engraves the product.

[0038] In order to facilitate manual feeding, as shown in Figure 1 and 2As shown, the bottom front side of the lifting safety door 13 is also provided with an auxiliary workbench 6, and the product is manually pushed into the jig 35, the product is pressed by the pressing cylinder 33, and is moved to the marking position for marking.

[0039] The working cycle of the laser processing device for the surface of the key cover of the white key of the piano is briefly described as follows:

[0040] 1. First, the worker puts the product into the jig 35, presses the start button 45 with both hands, and continuously presses the start button 45 with both hands until the front gate is lowered to the end (if the hands are released in the middle, the equipment will stop immediately).

[0041] 2. When pressing the start button 45 with both hands, the pressing cylinder 33 drives the polyurethane pressing block 34 to press the product, the product is pushed back to the marking position by the pushing cylinder 31, then the lifting safety door 13 is lowered, and the situation inside the device can be observed through the laser protection glass 111.

[0042] 3. The laser marking machine 14 works to mark the white key cover on the jig 35 with laser, and at the same time, the air conditioner 23 starts to cool the closed processing space, and the smoke dust collector 24 sucks out the dust and debris generated by laser marking and collects them in the water bucket 28 for purification treatment.

[0043] 4. After the processing is completed, the pressing cylinder 33 drives the polyurethane pressing block 34 to release the product, the lifting safety door 13 is opened, the product is moved to the feeding and discharging position, the product is manually taken out, and then a new product is put in.

[0044] 5. The cycle is repeated.

[0045] In the example, the utility model discloses a piano white key upper key skin surface laser processing device, including upper rack subassembly, lower rack subassembly, fixture subassembly and control system, upper rack subassembly sets up at the top of lower rack subassembly, and is equipped with worktable between upper rack subassembly and lower rack subassembly, fixture subassembly sets up on worktable, control system sets up at the top of lower rack subassembly, and is connected with upper rack subassembly, upper rack subassembly includes upper rack 11, filter 12, lift safety door 13, laser marking machine 14, vertical linear guide rail 15, safety door drive cylinder 16 and 5 gas nozzles 17, lower rack subassembly includes lower rack 21, marking machine controller 22, air conditioner 23, smoke dust collector 24 and gas source processor 25, fixture subassembly includes advance cylinder 31, horizontal linear guide rail 32, compression cylinder 33, polyurethane briquet 34 and fixture 35, control system includes electric control cabinet 41, touch screen 42, three -color lamp 43, pilot lamp 44 and two start button 45, can realize the quick switching fixture 35 and laser marking to white key key skin to the upper key skin of the piano, and the fixture 35 is compressed by the compression cylinder 33 drive polyurethane briquet 34, can be replaced through the quick change mode, simple operation, convenient to use. Through the compression cylinder 33 connecting rod drive polyurethane briquet 34 and compress the product, the product is advanced and retracted by advance cylinder 31 and is loaded and is marked. Efficient and fast, support multiple file formats, convenient operation, can realize the input, editing and output of graphics through software control, have high precision and high speed processing capacity. Thus improve the positioning precision of white key key skin and reach the high precision of marking machine marking, and the white key key skin of different specifications can satisfy positioning and marking simultaneously. Thus reach novel design, reasonable structure, and good application effect purpose.

[0046] The above is only a preferred embodiment of the piano white key upper key skin surface laser processing device of the utility model, and it should be pointed out that for ordinary skilled persons in the art, without departing from the creative concept of the utility model, a number of modifications and improvements can be made, which all belong to the protection scope of the utility model.

Claims

1. A laser processing device for piano white key top surface, characterized in that, The utility model provides a laser marking machine, including upper rack component, lower rack component, fixture component and control system, upper rack component sets up in the upper of lower rack component, and be equipped with workbench between upper rack component and lower rack component, fixture component sets up on workbench, control system sets up in the upper of lower rack component and is connected with upper rack component, The upper rack component includes an upper rack, a filter, a lifting safety door, a laser marking machine, a vertical linear guide rail, a safety door driving cylinder, and a plurality of gas nozzles. The vertical linear guide rail is arranged in the middle of the front side of the upper rack. The lifting safety door is slidably connected to the vertical linear guide rail on both sides and is driven by the safety door driving cylinder. The filter is arranged on the top of the upper rack. The laser marking machine is arranged near the middle of the upper part of the upper rack. At least one gas nozzle is arranged beside the lens of the laser marking machine. The lower rack component includes a lower rack, a marking machine controller, an air conditioner, a smoke dust collector, and a gas source processor. The marking machine controller is fixed to the middle of the lower side of the lower rack. The air outlet and the air inlet of the air conditioner are isolated from each other. The smoke dust collector is arranged near the upper corner of the lower rack and is connected to the filter through a pipeline. The fixture component includes a pushing cylinder, a horizontal linear guide rail, a pressing cylinder, a pressing block, and a fixture. The horizontal linear guide rail is fixed to the workbench and is slidably connected to the mounting plate fixed to the bottom of the fixture. The side edges of the mounting plate are connected to the driving end of the pushing cylinder. The pressing cylinder is further arranged above the mounting plate. The driving end of the pressing cylinder is connected to the pressing block. The pressing block is located above the fixture and can press the product on the fixture by driving the pressing block through the pressing cylinder. The control system includes an electric control cabinet, a touch screen, a three-color lamp, an indicator light, and two start buttons. The electric control cabinet is arranged on one side above the lower rack. The middle of the front side of the electric control cabinet is provided with the touch screen. The top of the electric control cabinet is provided with the three-color lamp. The indicator light is arranged below the touch screen. The two start buttons are arranged on both sides of the middle of the front of the upper rack.

2. The laser processing device for piano white key surface according to claim 1, wherein, The upper rack component includes an area sensor, an electromagnetic lock, a proximity sensor, and a laser protection glass. The area sensor is arranged on the upper side of the upper rack. The electromagnetic lock is arranged on the lower side of the upper rack and is arranged near the inner side of the start button. The proximity sensor is arranged on the inner wall of the upper rack. The laser protection glass is arranged on the lifting safety door.

3. The laser processing device for piano white key top surface according to claim 2, characterized in that, There are five gas nozzles. One is arranged beside the product on the fixture below the lens of the laser marking machine. Two are arranged below the product on the fixture below the lens. Two are arranged at the lens position of the laser marking machine. A dust collecting cover is arranged near each gas nozzle.

4. The laser processing device for piano white key surface according to claim 3, wherein, The lower rack component further includes a solenoid valve, a pressure regulating valve, and a water bucket. The solenoid valve is connected to the gas source processor through a pipeline. The pressure regulating valve is connected to the smoke dust collector through a pipeline. The smoke dust collector is connected to the water bucket through a hose.

5. The laser processing device for piano white key top surface according to claim 4, characterized in that, The jig assembly part further comprises a buffer, a sensor and a cover plate, the buffer is arranged on the workbench and in contact with the jig when the jig is driven by the pushing cylinder to be below the lens of the laser marking machine; the cover plate is arranged on the workbench obliquely below the lens of the laser marking machine and shields light when the laser marking machine marks the product.

6. The laser processing device for piano white key top surface according to claim 5, characterized in that, The bottom front side of the lifting safety door is further provided with an auxiliary workbench.