A precision cutting device for the back end of a piano keyboard

Abstract

The invention discloses a precise cutting device for the rear end of a piano keyboard, and relates to the technical field of piano processing. The invention comprises a working base, wherein the upper end of the working base is provided with a positioning mechanism and a clamping mechanism for use in combination, and the positioning mechanism is provided with a cutting mechanism and a sampling mechanism for use in combination, and the sampling mechanism is provided with a cleaning mechanism and an auxiliary mechanism for use in combination. Through the coordinated use of the positioning mechanism, the clamping mechanism, the cutting mechanism and the sampling mechanism, the piano keyboard to be cut can be stably clamped and horizontally positioned, and the angle between a cutting disc and a sampling camera can be adjusted and the cutting disc and the sampling camera can be driven to move horizontally, and in addition, the cutting disc and the sampling camera can be driven to move vertically, so that the rear end of the piano keyboard sampled by the sampling camera can be precisely cut by the cutting disc, and the rear end of the piano keyboard after cutting can be detected by the sampling camera, thereby realizing precise cutting of the rear end of the piano keyboard.

Description

Technical Field

[0001] The invention relates to the technical field of piano processing, in particular to a precision cutting device for the rear end of a piano keyboard. Background Art

[0002] The piano is a keyboard instrument consisting of keys and a metal string soundboard. It is one of the instruments with the widest range of tones and is commonly used in solo, ensemble and accompaniment.

[0003] When a piano is produced and processed, a cutting device is required to cut the back end of the piano keyboard. The existing cutting device for the back end of the piano keyboard cannot accurately sample and detect the back end of the piano keyboard, thereby reducing the accuracy of cutting the back end of the piano keyboard.

[0004] In view of the above problems, the inventor proposes a precise cutting device for the rear end of a piano keyboard to solve the above problems. Summary of the invention

[0005] In order to solve the problem that the existing cutting equipment for the back end of the piano keyboard cannot accurately sample and detect the back end of the piano keyboard, thereby reducing the cutting accuracy of the back end of the piano keyboard; the purpose of the present invention is to provide a precise cutting equipment for the back end of the piano keyboard.

[0006] In order to solve the above technical problems, the present invention adopts the following technical solutions: a precise cutting device for the rear end of a piano keyboard, comprising a working base, a positioning mechanism and a clamping mechanism for use in combination are provided at the upper end of the working base, and a cutting mechanism and a sampling mechanism for use in combination are provided on the positioning mechanism, a cleaning mechanism and an auxiliary mechanism for use in combination are provided on the sampling mechanism, and a blocking mechanism for use in combination with the auxiliary mechanism is provided at the bottom end of the sampling mechanism. The coordinated use of the positioning mechanism, the clamping mechanism, the cutting mechanism and the sampling mechanism can stably clamp the piano keyboard to be cut and adjust it horizontally, and can accurately cut and detect the rear end of the piano keyboard. The coordinated use of the cleaning mechanism and the auxiliary mechanism can effectively clean the cutting dust attached to the bottom of the sampling mechanism and the top of the rear end of the piano keyboard during the cutting process, and can effectively cool the sampling mechanism. The setting and use of the blocking mechanism ensures the normal discharge of the air absorbed by the inner cavity of the sampling mechanism, and can effectively blow away the cleaned dust. In addition, it can prevent the occurrence of cutting debris splashing into the inner cavity of the sampling mechanism during the cutting operation.

[0007] Preferably, the positioning mechanism comprises a first motor, a mounting countersunk hole is provided on the working base, and the first motor is fixedly installed in the mounting countersunk hole, a positioning rotating plate is fixedly sleeved on the end of the output end of the first motor, and a symmetrically arranged first electric cylinder body is fixedly installed on the top of the positioning rotating plate, a first electric cylinder slider is slidably provided on the first electric cylinder body, and a positioning bracket is fixedly installed on the top of two first electric cylinder sliders, the clamping mechanism comprises a second electric cylinder body, the second electric cylinder body is fixedly installed on the top of the working base, and a second electric cylinder slider is slidably provided on the top of the second electric cylinder body, a clamping base is fixedly installed on the top of the two second electric cylinder sliders, and an array-distributed electric telescopic rod is fixedly inserted at one end of the clamping base, an L-shaped mounting plate is fixedly sleeved on the end of the output end of the electric telescopic rod, and an array-distributed multi-stage electric push rod is fixedly inserted on the L-shaped mounting plate, and the end of the output end of the multi-stage electric push rod is fixedly connected to a clamping top plate used in conjunction with the clamping base, and the cutting mechanism comprises a first cylinder, and the first cylinder is fixedly mounted on the top of the positioning bracket. The first and second motors are fixedly mounted on the inner side of the lifting bracket, and the second motor is fixedly mounted on the inner side of the lifting bracket. The output end of the second motor rotates and penetrates the partition vertical plate, and the end of the output end of the second motor is fixedly sleeved with a matching cutting disc. The sampling mechanism includes a second cylinder, which is fixedly mounted on the positioning bracket, and the output end of the second cylinder slides through the positioning bracket and is fixedly sleeved with a mounting horizontal plate on its outer side. A symmetrically arranged guide vertical rod is fixedly mounted on the top of the mounting horizontal plate, and two guide vertical holes are penetrated on the positioning bracket. The guide vertical rod slides through the guide vertical holes. The end of the output end of the second cylinder is fixedly connected to a mounting frame, and a sampling camera and a fill light body are fixedly mounted on the top of the inner cavity of the mounting frame. A matching transparent bottom plate is fixedly inserted at the bottom end of the mounting frame, and a matching blocking side plate is hinged on one side of the mounting frame.

[0008] The camming mechanism comprises a first motor, a second motor and a second motor, wherein the first motor is engaged with the first gear and the second gear is engaged with the first gear. The gears are meshed, and one end of the double-sided racks is fixedly installed with a first side rod, and one end of the single-sided rack is fixedly installed with a second side rod, the ends of the first side rod and the second side rod are fixedly connected to a fixed cross plate, and the top and bottom ends of the fixed cross plate are respectively fixedly installed with a first cleaning brush and a second cleaning brush for use in conjunction with each other. The auxiliary mechanism includes an air collecting cylinder body and an L-shaped mounting rod, the air collecting cylinder body is fixedly installed on an upper end of one side of the mounting frame, and the first rotating rod is rotatably inserted into the air collecting cylinder body, the air collecting cylinder body is penetrated by an array of air guide holes, and the mounting frame is provided with an air inlet through-hole connected to the air guide through-hole, the L-shaped mounting rod is fixedly inserted on the mounting cross plate, and the end of the L-shaped mounting rod is rotatably connected with a side connecting shaft, and the side connecting shaft is fixedly sleeved with a fourth gear and a fan blade for use in conjunction with each other, and the fan blade is rotatably installed in the air collecting cylinder body, and a fifth gear is fixedly sleeved on the outer side of the output end of the third motor, and the fifth gear is meshed with the fourth gear.

[0009] Preferably, the blocking mechanism includes a blocking slide rod, a transparent bottom plate is provided with a mounting recess and an air inlet through-hole for use with each other, and the blocking slide rod slides through the transparent bottom plate, the bottom end of the blocking slide rod is fixedly connected with a blocking insert, and the blocking insert can be slidably clamped in the mounting recess, a return spring is fixedly installed on the top of the blocking insert, and the return spring is movably sleeved on the blocking slide rod, and the top end of the return spring is fixedly connected to the top of the inner cavity of the mounting recess.

[0010] Compared with the prior art, the present invention has the following beneficial effects:

[0011] 1. Through the coordinated use of the positioning mechanism, the clamping mechanism, the cutting mechanism and the sampling mechanism, the piano keyboard to be cut can be stably clamped and horizontally adjusted, and the angle between the cutting disc and the sampling camera can be adjusted to drive the cutting disc and the sampling camera to move horizontally. In addition, the cutting disc and the sampling camera can be driven to move vertically, so that the rear end of the piano keyboard sampled by the sampling camera can be accurately cut by the cutting disc and the rear end of the piano keyboard after cutting can be detected by the sampling camera, thereby realizing accurate cutting of the rear end of the piano keyboard;

[0012] 2. Through the coordinated use of the cleaning mechanism and the auxiliary mechanism, the first side rod and the second side rod can be driven to move toward and away from each other alternately before the sampling camera operates, so that the two first cleaning brushes and the two second cleaning brushes can be driven to move toward and away from each other alternately through the fixed horizontal plate, thereby effectively cleaning the cutting dust attached to the bottom of the transparent bottom plate and the top of the rear end of the piano keyboard during the cutting process, thereby ensuring the accurate sampling and detection of the sampling camera, thereby effectively improving the cutting accuracy of the cutting equipment, and being able to introduce external cold air into the installation frame, thereby effectively cooling the sampling camera and the fill light body, thereby ensuring the normal use of the sampling camera and the fill light body;

[0013] 3. Through the setting and use of the sealing mechanism, the sealing insert can be automatically moved down and reset with the help of the internal air pressure of the installation frame and the action of the reset spring, thereby ensuring the normal discharge of the air absorbed by the inner cavity of the installation frame to absorb heat, and can effectively blow away the cleaned floating dust, thereby effectively improving the cleaning effect of the floating dust. In addition, the installation recessed hole can be sealed during the cutting operation, thereby preventing the occurrence of cutting debris splashing into the inner cavity of the installation frame. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0015] Figure 1 It is a schematic diagram of the structure of the present invention.

[0016] Figure 2 It is a schematic diagram of the installation of the clamping mechanism in the present invention.

[0017] Figure 3 For the present invention Figure 2 A schematic diagram of the enlarged structure in the middle.

[0018] Figure 4 For the present invention Figure 2 Enlarged schematic diagram of the structure at point B in the middle.

[0019] Figure 5 For the present invention Figure 2 Enlarged schematic diagram of the structure at point C in the middle.

[0020] Figure 6 This is a schematic diagram of the installation of the blocking mechanism in the present invention.

[0021] Figure 7 For the present invention Figure 6 Enlarged schematic diagram of the structure at point D in the middle.

[0022] Figure 8 For the present invention Figure 6 Enlarged schematic diagram of the structure at point E in the middle.

[0023] Fig. 9 For the present invention Figure 6 Enlarged schematic diagram of the structure at F in the middle

[0024] In the figure: 1. working platform; 11. mounting countersunk hole; 2. adjusting mechanism; 21. first motor; 22. adjusting rotating plate; 23. first electric cylinder body; 24. first electric cylinder slider; 25. adjusting bracket; 26. first through slot; 3. clamping mechanism; 31. second electric cylinder body; 32. second electric cylinder slider; 33. clamping base; 34. electric telescopic rod; 35. L-shaped mounting plate; 36. multi-stage electric push rod; 37. clamping top plate; 4. cutting mechanism; 41. first cylinder; 42. lifting bracket; 43. partition vertical plate; 44. second motor; 45. cutting disc; 46. second through slot; 5. sampling mechanism; 51. second cylinder; 52. mounting horizontal plate; 53. mounting frame; 54. sampling camera; 55. fill light body; 56. transparent bottom plate; 57. blocking side plate; 58. guide vertical rod; 5 9. Guide vertical hole; 510. Air inlet hole; 511. Mounting recess; 512. Air inlet through hole; 6. Cleaning mechanism; 61. Mounting bracket; 62. First rotating rod; 63. Second rotating rod; 64. Third motor; 65. Half bevel gear; 66. Driven bevel gear; 67. First gear; 68. Second gear; 69. Third gear; 610. Double-sided rack; 611. Single-sided rack; 612. First side rod; 613. Second side rod; 614. Fixed horizontal plate; 615. First cleaning brush; 616. Second cleaning brush; 7. Auxiliary mechanism; 71. Air collecting cylinder; 72. L-shaped mounting rod; 73. Air guide hole; 74. Side shaft; 75. Fourth gear; 76. Fan blade; 77. Fifth gear; 8. Blocking mechanism; 81. Blocking slide rod; 82. Blocking insert; 83. Reset spring. DETAILED DESCRIPTION

[0025] 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 described embodiments 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 creative work are within the scope of protection of the present invention.

[0026] Example: Figure 1-9 As shown, the present invention provides a precise cutting device for the rear end of a piano keyboard, comprising a working base 1, a positioning mechanism 2 and a clamping mechanism 3 are provided at the upper end of the working base 1 for use in conjunction with each other, and a cutting mechanism 4 and a sampling mechanism 5 are provided on the positioning mechanism 2 for use in conjunction with each other, a cleaning mechanism 6 and an auxiliary mechanism 7 are provided on the sampling mechanism 5 for use in conjunction with each other, and a blocking mechanism 8 is provided at the bottom end of the sampling mechanism 5 for use in conjunction with the auxiliary mechanism 7, and a dust collecting mechanism is provided on the working base 1 for use in conjunction with the cutting mechanism 4, so that the cutting debris generated by cutting the rear end of the piano keyboard can be effectively and centrally collected. This is a prior art and will not be described in detail herein. The positioning mechanism 2, the clamping mechanism 3 and the cutting mechanism 4 are provided on the working base 1 for use in conjunction with each other. The coordinated use of mechanism 3, cutting mechanism 4 and sampling mechanism 5 can stably clamp the piano keyboard to be cut and adjust it horizontally, and can accurately cut and detect the rear end of the piano keyboard. The coordinated use of cleaning mechanism 6 and auxiliary mechanism 7 can effectively clean the cutting dust attached to the bottom of the sampling mechanism 5 and the top of the rear end of the piano keyboard during the cutting process, and can effectively cool the sampling mechanism 5. The setting and use of sealing mechanism 8 ensures the normal discharge of air absorbed by the inner cavity of the sampling mechanism 5, and can effectively blow away the cleaned dust. In addition, it can prevent the occurrence of cutting debris splashing into the inner cavity of the sampling mechanism 5 during the cutting operation.

[0027] The positioning mechanism 2 includes a first motor 21, a mounting countersunk hole 11 is provided on the working base 1, and the first motor 21 is fixedly installed in the mounting countersunk hole 11, a positioning rotating plate 22 is fixedly sleeved at the end of the output end of the first motor 21, and a symmetrically arranged first electric cylinder body 23 is fixedly installed on the top of the positioning rotating plate 22, a first electric cylinder slider 24 is slidably provided on the first electric cylinder body 23, and a positioning bracket 25 is fixedly installed on the top of the two first electric cylinder sliders 24, and the clamping mechanism 3 includes a second electric cylinder body 31, the second electric cylinder body 31 is fixedly installed on the top of the working base 1, and a second electric cylinder slider 32 is slidably provided on the top of the second electric cylinder body 31, and the two A clamping base 33 is fixedly installed on the top of the second electric cylinder slider 32, and an array-distributed electric telescopic rod 34 is fixedly inserted at one end of the clamping base 33, and an L-shaped mounting plate 35 is fixedly sleeved at the end of the output end of the electric telescopic rod 34, and an array-distributed multi-stage electric push rod 36 is fixedly inserted on the L-shaped mounting plate 35, and the end of the output end of the multi-stage electric push rod 36 is fixedly connected to a clamping top plate 37 used in conjunction with the clamping base 33. The cutting mechanism 4 includes a first cylinder 41, which is fixedly installed on the top of the positioning bracket 25, and the first cylinder 41 is symmetrically distributed. The output end of the first cylinder 41 slides through the positioning bracket 25, and the two The end of the output end of the first cylinder 41 is fixedly connected to a lifting bracket 42, a partition vertical plate 43 is fixedly installed on the inner side of the lifting bracket 42, and a second motor 44 is fixedly installed on the partition vertical plate 43, the output end of the second motor 44 rotates to penetrate the partition vertical plate 43, and the end of the output end of the second motor 44 is fixedly sleeved with a matching cutting disc 45, the sampling mechanism 5 includes a second cylinder 51, the second cylinder 51 is fixedly installed on the positioning bracket 25, and the output end of the second cylinder 51 slides through the positioning bracket 25 and is fixedly sleeved with a mounting horizontal plate 52 on its outer side, and a symmetrically arranged guide vertical rod 58 is fixedly installed on the top of the mounting horizontal plate 52, and Two guide vertical holes 59 are formed through the positioning bracket 25, and the guide vertical rod 58 slides through the guide vertical hole 59. The cooperation of the guide vertical rod 58 and the guide vertical hole 59 plays a role in limiting and guiding the movement and adjustment of the installation horizontal plate 52. The end of the output end of the second cylinder 51 is fixedly connected to the installation frame 53, and the top of the inner cavity of the installation frame 53 is fixedly installed with a sampling camera 54 and a fill light body 55 for use in combination. The sampling camera 54 can perform sampling, analysis and detection on the rear end of the piano keyboard. The bottom end of the installation frame 53 is fixedly plugged with a transparent bottom plate 56 for use in combination, and one side of the installation frame 53 is hinged with a blocking side plate 57 for use in combination.

[0028] By adopting the above technical solution, when in use, the piano keyboard to be cut is placed on the clamping base 33, and then the multi-stage electric push rod 36 is started, so that the clamping top plate 37 can be driven to move to the side away from the L-shaped mounting plate 35, and the multi-stage electric push rod 36 is closed when the clamping top plate 37 moves to a suitable position on the upper end of the piano keyboard to be cut, and then the electric telescopic rod 34 is started, so that the L-shaped mounting plate 35 can be driven to move downward, and then the clamping top plate 37 can be driven to move downward through the multi-stage electric push rod 36, and the electric telescopic rod 34 is closed when the clamping top plate 37 is tightly fitted with the top of the piano keyboard to be cut, and then the second electric cylinder body 31 is started, so that the clamping base 33 can be driven to move horizontally through the second electric cylinder slider 32, and then the fixed piano keyboard to be cut can be driven to move, and when the piano keyboard to be cut moves to When the second electric cylinder body 31 is in the appropriate position, the positioning turntable 22 is driven to rotate by the first motor 21, so that the angle between the cutting disc 45 and the sampling camera 54 can be adjusted, and the first electric cylinder body 23 can drive the positioning bracket 25 to move horizontally through the first electric cylinder slider 24, thereby driving the cutting disc 45 and the sampling camera 54 to move horizontally. In addition, the first cylinder 41 can drive the second motor 44 and the cutting disc 45 to move vertically through the lifting bracket 42 and the partition vertical plate 43, and the second cylinder 51 can drive the sampling camera 54 and the fill light body 55 to move vertically through the mounting frame 53, so that the rear end of the piano keyboard sampled by the sampling camera 54 can be accurately cut by the cutting disc 45 and the rear end of the cut piano keyboard can be detected by the sampling camera 54.

[0029] The cleaning mechanism 6 includes a mounting bracket 61, a first rotating rod 62 and a second rotating rod 63. The mounting bracket 61 is fixedly inserted on the mounting horizontal plate 52, and a third motor 64 is fixedly inserted on the inner side of the mounting bracket 61. A first through slot 26 is penetrated on the positioning bracket 25, and a second through slot 46 is penetrated on the lifting bracket 42. The mounting bracket 61 and the third motor 64 are slidably inserted in the first through slot 26 and the second through slot 46. The coordinated use of the first through slot 26 and the second through slot 46 ensures the normal movement of the mounting bracket 61 and the third motor 64. A half-bevel gear 65 is fixedly sleeved on the end of the output end of the third motor 64, and the first rotating rod 63 is fixedly sleeved on the inner side of the mounting bracket 61. The rod 62 and the second rotating rod 63 are both rotatably inserted on the mounting horizontal plate 52. Two driven bevel gears 66 and the first gear 67 are fixedly sleeved on the first rotating rod 62, and the half-bevel gear 65 is meshed with the driven bevel gear 66. The bottom end of the second rotating rod 63 is fixedly sleeved with a second gear 68, and the second gear 68 is meshed with the first gear 67. The end of the output end of the second cylinder 51 is rotatably sleeved with a third gear 69, and the outer side of the third gear 69 is meshed with a double-sided rack 610 and a single-sided rack 611 for use. The double-sided rack 610 and the single-sided rack 611 are both slidably connected to the mounting frame 53, and the double-sided rack 610 and the second gear 68 are meshed with each other. The wheels 68 are meshed, one end of the double-sided rack 610 is fixedly installed with a first side rod 612, and one end of the single-sided rack 611 is fixedly installed with a second side rod 613, the ends of the first side rod 612 and the second side rod 613 are fixedly connected to a fixed cross plate 614, and the top and bottom ends of the fixed cross plate 614 are respectively fixedly installed with a first cleaning brush 615 and a second cleaning brush 616 for use in conjunction with each other, the first cleaning brush 615 is used in conjunction with the transparent bottom plate 56, and the second cleaning brush 616 is used in conjunction with the piano keyboard, the auxiliary mechanism 7 includes an air collecting cylinder 71 and an L-shaped mounting rod 72, and the air collecting cylinder 71 is fixedly installed on one side of the mounting frame 53 The wind collecting cylinder 71 is provided with an array of wind guide holes 73, and the mounting frame 53 is provided with an air inlet hole 510 connected with the wind guide holes 73. The L-shaped mounting rod 72 is fixedly inserted on the mounting cross plate 52, and the end of the L-shaped mounting rod 72 is rotatably connected with a side shaft 74, and the side shaft 74 is fixedly sleeved with a fourth gear 75 and a fan blade 76 for use therewith, and the fan blade 76 is rotatably mounted in the wind collecting cylinder 71, and a fifth gear 77 is fixedly sleeved on the outer side of the output end of the third motor 64, and the fifth gear 77 is meshed with the fourth gear 75.

[0030] By adopting the above technical solution, when in use, before the sampling camera 54 operates, the third motor 64 will be started, so that the fifth gear 77 and the half-bevel gear 65 can be driven to rotate, and then the half-bevel gear 65 can be alternately meshed with the two driven bevel gears 66, and further the first rotating rod 62 can be driven to rotate reciprocatingly, so that the second gear 68 can be driven to rotate reciprocatingly through the first gear 67, and then the double-sided rack 610 can be driven to move reciprocatingly, and the single-sided rack 611 can be driven to move reciprocatingly in the opposite direction through the third gear 69, so that the first side rod 612 and the second side rod 613 can be driven to move toward and away from each other alternately, and then the two first cleaning brushes can be driven through the fixed cross plate 614. 615 and the two second cleaning brushes 616 move alternately in opposite directions, and can further effectively clean the cutting dust attached to the bottom of the transparent bottom plate 56 and the top of the rear end of the piano keyboard during the cutting process, thereby ensuring the accurate sampling and detection of the sampling camera 54, and thus effectively improving the cutting accuracy of the cutting equipment. In addition, the fifth gear 77 will drive the side shaft 74 to rotate through the fourth gear 75, thereby driving the fan blades 76 to rotate, and then the external cold air can be sucked into the air collecting cylinder 71 and introduced into the installation frame 53 through the air guide hole 73 and the air inlet hole 510, so that the sampling camera 54 and the fill light body 55 can be effectively cooled, thereby ensuring the normal use of the sampling camera 54 and the fill light body 55.

[0031] The blocking mechanism 8 includes a blocking slide bar 81, and a matching mounting recessed hole 511 and an air inlet through hole 512 are provided on the transparent bottom plate 56, and the blocking slide bar 81 slides through the transparent bottom plate 56, and a blocking plug-in disk 82 is fixedly connected to the bottom end of the blocking slide bar 81, and the blocking plug-in disk 82 can be slidably clamped in the mounting recessed hole 511, and a reset spring 83 is fixedly installed on the top end of the blocking plug-in disk 82, and the reset spring 83 is movably sleeved on the blocking slide bar 81, and the top end of the reset spring 83 is fixedly connected to the top of the inner cavity of the mounting recessed hole 511.

[0032] By adopting the above-mentioned technical solution, when in use, as the external cold air is introduced, the air pressure in the installation frame 53 will gradually increase, so that it can be introduced into the installation recessed hole 511 through the air inlet perforation 512 and push the blocking plug-in plate 82 to gradually move downward, thereby being able to stretch the reset spring 83. When the blocking plug-in plate 82 is completely separated from the installation recessed hole 511, the air that absorbs heat will be discharged from the inner cavity of the installation frame 53. After discharging a proper amount of hot air, the reset spring 83 will drive the blocking plug-in plate 82 to reset, so that the installation recessed hole 511 can be blocked again.

[0033] Working principle: When in use, place the piano keyboard to be cut on the clamping base 33, then start the multi-stage electric push rod 36, so as to drive the clamping top plate 37 to move to the side away from the L-shaped mounting plate 35, and when the clamping top plate 37 moves to a suitable position on the upper end of the piano keyboard to be cut, close the multi-stage electric push rod 36, then start the electric telescopic rod 34, so as to drive the L-shaped mounting plate 35 to move downward, and then drive the clamping top plate 37 to move downward through the multi-stage electric push rod 36, and when the clamping top plate 37 is tightly fitted with the top of the piano keyboard to be cut, close the electric telescopic rod 34, and then start the second electric cylinder body 31, so as to drive the clamping base 33 to move horizontally through the second electric cylinder slider 32, and then drive the fixed piano keyboard to be cut to move, and when the piano keyboard to be cut moves to a suitable position When the second electric cylinder body 31 is set, the second electric cylinder body 31 is closed, and then the first motor 21 drives the adjustment plate 22 to rotate, so that the angle between the cutting disc 45 and the sampling camera 54 can be adjusted, and the first electric cylinder body 23 can drive the adjustment bracket 25 to move horizontally through the first electric cylinder slider 24, and then drive the cutting disc 45 and the sampling camera 54 to move horizontally. In addition, the first cylinder 41 can drive the second motor 44 and the cutting disc 45 to move vertically through the lifting bracket 42 and the partition vertical plate 43, and the second cylinder 51 can drive the sampling camera 54 and the fill light body 55 to move vertically through the mounting frame 53, so that the rear end of the piano keyboard sampled by the sampling camera 54 can be accurately cut by the cutting disc 45 and the rear end of the cut piano keyboard can be detected by the sampling camera 54;

[0034] At the same time, before the sampling camera 54 operates, the third motor 64 will be started, so as to drive the fifth gear 77 and the half-bevel gear 65 to rotate, so that the half-bevel gear 65 can alternately mesh with the two driven bevel gears 66, and further drive the first rotating rod 62 to rotate back and forth, so as to drive the second gear 68 to rotate back and forth through the first gear 67, and then drive the double-sided rack 610 to move back and forth, and drive the single-sided rack 611 to move back and forth in the opposite direction through the third gear 69, so as to drive the first side rod 612 and the second side rod 613 to move toward and away from each other alternately, and then drive the two first cleaning brushes 615 and the two first cleaning brushes 615 through the fixed cross plate 614. The second cleaning brushes 616 alternately move toward and away from each other, and can further effectively clean the cutting dust attached to the bottom of the transparent bottom plate 56 and the top of the rear end of the piano keyboard during the cutting process, thereby ensuring the accurate sampling and detection of the sampling camera 54, thereby effectively improving the cutting accuracy of the cutting equipment. In addition, the fifth gear 77 drives the side shaft 74 to rotate through the fourth gear 75, thereby driving the fan blades 76 to rotate, thereby sucking the external cold air into the air collecting cylinder 71 and introducing it into the installation frame 53 through the air guide through hole 73 and the air inlet through hole 510, thereby effectively cooling the sampling camera 54 and the fill light body 55, thereby ensuring the normal use of the sampling camera 54 and the fill light body 55;

[0035] During this period, as the external cold air is introduced, the air pressure in the installation frame 53 will gradually increase, so that it can be introduced into the installation recessed hole 511 through the air inlet perforation 512 and push the sealing insert 82 to gradually move downward, thereby stretching the reset spring 83. When the sealing insert 82 is completely separated from the installation recessed hole 511, the air that absorbs heat will be discharged from the inner cavity of the installation frame 53. After a proper amount of hot air is discharged, the reset spring 83 will drive the sealing insert 82 to reset, so that the installation recessed hole 511 can be blocked again.

[0036] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A precision cutting device for the rear end of a piano keyboard, comprising a working base (1), characterized in that: The upper end of the working base (1) is provided with a positioning mechanism (2) and a clamping mechanism (3) for use in combination, and the positioning mechanism (2) is provided with a cutting mechanism (4) and a sampling mechanism (5) for use in combination, and the sampling mechanism (5) is provided with a cleaning mechanism (6) and an auxiliary mechanism (7) for use in combination, and the bottom end of the sampling mechanism (5) is provided with a blocking mechanism (8) for use in combination with the auxiliary mechanism (7). The positioning mechanism (2), the clamping mechanism (3), the cutting mechanism (4) and the sampling mechanism (5) are used in combination to stably clamp the piano keyboard to be cut and adjust it horizontally. The cleaning mechanism (6) and the auxiliary mechanism (7) can be used together to effectively clean the cutting dust attached to the bottom of the sampling mechanism (5) and the top of the rear end of the piano keyboard during the cutting process, and can effectively cool the sampling mechanism (5). The blocking mechanism (8) is set up to ensure the normal discharge of the air absorbed by the inner cavity of the sampling mechanism (5) and can effectively blow away the cleaned dust. In addition, it can prevent the occurrence of the phenomenon of cutting debris splashing into the inner cavity of the sampling mechanism (5) during the cutting operation. The positioning mechanism (2) comprises a first motor (21), a mounting countersunk hole (11) is provided on the working base (1), and the first motor (21) is fixedly mounted in the mounting countersunk hole (11), a positioning rotating plate (22) is fixedly sleeved at the end of the output end of the first motor (21), and a symmetrically arranged first electric cylinder body (23) is fixedly mounted on the top of the positioning rotating plate (22), a first electric cylinder slide block (24) is slidably mounted on the first electric cylinder body (23), and positioning brackets (25) are fixedly mounted on the tops of the two first electric cylinder slide blocks (24); The cutting mechanism (4) comprises a first cylinder (41), the first cylinder (41) being fixedly mounted on the top of the positioning bracket (25), and the first cylinders (41) being symmetrically distributed, the output ends of the first cylinders (41) slidingly penetrate the positioning bracket (25), and the ends of the output ends of the two first cylinders (41) are fixedly connected to a lifting bracket (42), a partitioning vertical plate (43) being fixedly mounted on the inner side of the lifting bracket (42), and a second motor (44) being fixedly mounted on the partitioning vertical plate (43), the output end of the second motor (44) rotatingly penetrates the partitioning vertical plate (43), and the end of the output end of the second motor (44) is fixedly sleeved with a cutting disc (45) for use with the motor; The sampling mechanism (5) comprises a second cylinder (51), the second cylinder (51) is fixedly mounted on the positioning bracket (25), and the output end of the second cylinder (51) slides through the positioning bracket (25) and is fixedly sleeved with a mounting cross plate (52) on the outer side thereof, the end of the output end of the second cylinder (51) is fixedly connected to a mounting frame (53), and a sampling camera (54) and a fill light body (55) for use in conjunction with the mounting frame (53) are fixedly mounted on the top of the inner cavity of the mounting frame (53), a transparent bottom plate (56) for use in conjunction with the mounting frame (53) is fixedly plugged at the bottom end of the mounting frame (53), and a blocking side plate (57) for use in conjunction with the mounting frame (53) is hingedly connected to one side of the mounting frame (53); The cleaning mechanism (6) comprises a mounting bracket (61), a first rotating rod (62) and a second rotating rod (63); the mounting bracket (61) is fixedly inserted on the mounting horizontal plate (52); a third motor (64) is fixedly inserted on the inner side of the mounting bracket (61); a half-bevel gear (65) is fixedly sleeved at the end of the output end of the third motor (64); the first rotating rod (62) and the second rotating rod (63) are both rotatably inserted on the mounting horizontal plate (52); two driven bevel gears (66) and a first gear (67) are fixedly sleeved on the first rotating rod (62); the half-bevel gear (65) and the driven bevel gear (66) are meshed; a second gear (68) is fixedly sleeved on the bottom end of the second rotating rod (63); the second gear (68) is meshed with the first gear (67); the second cylinder The end of the output end (51) is rotatably sleeved with a third gear (69), and the outer side of the third gear (69) is meshingly sleeved with a double-sided rack (610) and a single-sided rack (611) for use in conjunction with each other, the double-sided rack (610) and the single-sided rack (611) are both slidably connected to the mounting frame (53), and the double-sided rack (610) is meshed with the second gear (68), one end of the double-sided rack (610) is fixedly mounted with a first side rod (612), and one end of the single-sided rack (611) is fixedly mounted with a second side rod (613), the ends of the first side rod (612) and the second side rod (613) are both fixedly connected with a fixed horizontal plate (614), and the top and bottom ends of the fixed horizontal plate (614) are respectively fixedly mounted with a first cleaning brush (615) and a second cleaning brush (616) for use in conjunction with each other; The position adjustment bracket (25) is provided with a first through slot (26), and the lifting bracket (42) is provided with a second through slot (46), and the mounting bracket (61) and the third motor (64) are slidably inserted in the first through slot (26) and the second through slot (46); The auxiliary mechanism (7) comprises an air collecting cylinder (71) and an L-shaped mounting rod (72); the air collecting cylinder (71) is fixedly mounted on an upper end of one side of the mounting frame (53); and the first rotating rod (62) is rotatably inserted into the air collecting cylinder (71); the air collecting cylinder (71) is provided with air guide holes (73) distributed in an array; and the mounting frame (53) is provided with air inlet holes (510) connected to the air guide holes (73); 2) fixedly inserted on the mounting horizontal plate (52), and the end of the L-shaped mounting rod (72) is rotatably connected to a side rotating shaft (74), a fourth gear (75) and a fan blade (76) for use in conjunction are fixedly sleeved on the side rotating shaft (74), and the fan blade (76) is rotatably mounted in the air collecting cylinder (71), and a fifth gear (77) is fixedly sleeved on the outer side of the output end of the third motor (64), and the fifth gear (77) is meshed with the fourth gear (75); The blocking mechanism (8) comprises a blocking slide bar (81), the transparent bottom plate (56) is provided with a mounting recessed hole (511) and an air inlet through hole (512) for use together, and the blocking slide bar (81) slides through the transparent bottom plate (56), the bottom end of the blocking slide bar (81) is fixedly connected with a blocking insert plate (82), and the blocking insert plate (82) can be slidably clamped in the mounting recessed hole (511), the top end of the blocking insert plate (82) is fixedly installed with a return spring (83), and the return spring (83) is movably sleeved on the blocking slide bar (81), and the top end of the return spring (83) is fixedly connected to the top of the inner cavity of the mounting recessed hole (511).

2. The precise cutting device for the rear end of a piano keyboard as claimed in claim 1, characterized in that: The clamping mechanism (3) comprises a second electric cylinder body (31), the second electric cylinder body (31) being fixedly mounted on the top of the working platform (1), and a second electric cylinder slider (32) being slidably mounted on the top of the second electric cylinder body (31), a clamping base (33) being fixedly mounted on the top of two second electric cylinder sliders (32), and an array-distributed electric telescopic rod (34) being fixedly inserted at one end of the clamping base (33), an L-shaped mounting plate (35) being fixedly mounted at the end of the output end of the electric telescopic rod (34), and an array-distributed multi-stage electric push rod (36) being fixedly inserted on the L-shaped mounting plate (35), and a clamping top plate (37) used in conjunction with the clamping base (33) being fixedly connected to the end of the output end of the multi-stage electric push rod (36).

3. The precise cutting device for the rear end of a piano keyboard as claimed in claim 1, characterized in that: A symmetrically arranged guide vertical rod (58) is fixedly mounted on the top of the mounting horizontal plate (52), and two guide vertical holes (59) are penetrated through the positioning bracket (25), and the guide vertical rod (58) slides through the guide vertical holes (59).

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