CN215241425U

CN215241425U - A handing-over falcon groove cutting machine for processing body and neck

Info

Publication number: CN215241425U
Application number: CN202121127584.0U
Authority: CN
Inventors: 吕孟哲
Original assignee: Yage Musical Instruments Zhangzhou Co ltd
Current assignee: Yage Musical Instruments Zhangzhou Co ltd
Priority date: 2021-05-25
Filing date: 2021-05-25
Publication date: 2021-12-21
Anticipated expiration: 2031-05-25

Abstract

The utility model discloses a handing-over falcon groove cutting machine for processing musical instrument body and neck relates to musical instrument processing equipment technical field. The technical key points are as follows: including the frame, the frame upper surface sets up body stop device, the frame upper surface is provided with neck stop device, the fixed neck of neck stop device makes the processing position of neck and the processing position of body in opposite directions and corresponding, be provided with neck cutting device between body stop device and the neck stop device, neck cutting device's side is provided with body cutting device, neck cutting device is provided with butt device towards body stop device's one end, the frame just is located body stop device below and is provided with the first slide rail with body stop device matched with, first slide rail extending direction is mutually perpendicular with neck length direction, be provided with the first actuating cylinder that drives in the frame, just be located neck stop device below in the frame and be provided with rotating device, the utility model has the advantages of improve machining precision and production efficiency.

Description

A handing-over falcon groove cutting machine for processing body and neck

Technical Field

The utility model relates to a musical instrument processing equipment technical field, more specifically say, it relates to a handing-over falcon groove cutting machine for processing musical instrument body and neck.

Background

The acoustic wooden guitar (acousticGuitar) has a long history, can be traced back to the renaturation period of the literature in Europe, and is still long-lived until now after hundreds of years of development and evolution. The guitar can pop up melodies with singing property and rich harmony, and in addition, the tone can also have colorful change, and the guitar becomes the most popular musical instrument in the world at present due to the characteristic of portability.

The junction of body and neck needs to be cut at present in the production and processing process of wooden guitar, mainly carries out the profile drawing respectively with the manual work in the junction of body and neck, reuses cutting means and cuts body and neck respectively, splices the junction of body and neck at last. However, the accuracy of processing specifications cannot be guaranteed by adopting the manual drawing outline, a large error exists in the splicing of the body and the neck, and the manual processing efficiency is low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a handing-over falcon groove cutting machine for processing body and neck, it has the advantage that improves machining precision and production efficiency.

In order to achieve the above purpose, the utility model provides a following technical scheme:

a handing-over falcon groove cutting machine for processing body and neck, includes the frame, the frame upper surface is provided with the body stop device that is used for the location and presss from both sides tight body, the frame upper surface is provided with the neck stop device that is used for the location and presss from both sides tight neck, the fixed neck of neck stop device makes the processing position of neck and the processing position of body in opposite directions and corresponding, be provided with the neck cutting device that is used for cutting the neck between body stop device and the neck stop device, the side of neck cutting device is provided with the body cutting device that is used for cutting the body, the neck cutting device is provided with the butt device that is used for supporting tight body machined surface towards the one end of body stop device, the frame just is located body stop device below and is provided with the first slide rail with body stop device matched with, first slide rail extending direction is perpendicular with neck length direction, the machine frame is provided with a first driving cylinder for driving the body limiting device to move along the extending direction of the first sliding rail, and a rotating device for driving the neck limiting device to rotate is arranged on the machine frame and below the neck limiting device.

Through adopting above-mentioned technical scheme, add man-hour as needs to the junction of body and neck, fix a position and press from both sides tightly the body by body stop device, fix a position and press from both sides tightly the neck by neck stop device again, start neck cutting device, butt device on the neck cutting device supports the processing department surface of tight body, and the neck is at neck cutting device, the processing department to the neck is processed under neck stop device and rotating device's the cooperation, thereby obtain neck machined surface and body machined surface matched with effect, remove body stop device to body cutting device through the cooperation of first drive actuating cylinder and first slide rail after that and correspond the department, cut by the processing department of body cutting device to the body again.

To sum up, the aforesaid is spacing body and neck respectively through body stop device and neck stop device, is effectively cut the neck by neck cutting device, neck stop device, rotating device and butt device after that, carries out effective cutting by body stop device, first actuating cylinder, first slide rail and body cutting device of driving at last to the body for body and the only cooperation of neck, thereby reach the purpose that improves machining precision and production efficiency.

Further, body stop device is including setting up slide plate on first slide rail, setting up body backup pad on slide plate, setting up locating piece and location cylinder in the body backup pad, setting up two fixed cylinders that just are used for fixed body in the body backup pad and set up the body adjustment mechanism who is used for adjusting the body height in the body backup pad, the locating piece sets up on the piston rod of location cylinder, the location cylinder is located the body backup pad and is close to neck stop device one end, location cylinder and the flat setting of first slide rail, two fixed cylinder sets up respectively in the both ends that are close to neck stop device and keep away from neck stop device, two fixed cylinder is vertical to be set up.

Through adopting above-mentioned technical scheme, when needs carry out the location clamp to the body and press from both sides tightly, can place the body in the body backup pad, start the location cylinder, there is the location cylinder to drive the locating piece and remove preset position, corresponding with the locating piece in the processing department with the body, then the location cylinder drives the locating piece and resets, and the piston rod of fixed cylinder compresses tightly the body in the body backup pad, through adjusting body adjustment mechanism, can make body height control to horizontal position, thereby make the processing position of body can fix a position more accurately.

Further, the one end that neck stop device was kept away from to the body backup pad is provided with lets the position mouth, body adjustment mechanism sets up in the gauge rod of body backup pad lower surface, sets up in the correction block and the butt piece at gauge rod both ends, sets up in the adjusting gear of body backup pad below, sets up in the supporting shoe that adjusting gear terminal surface just was used for butt body lower surface and set up in body backup pad lower surface and with adjusting gear engaged with adjusting screw, support tight piece with adjusting gear all is located the position mouth department of stepping down, the correction block is located body backup pad lateral wall department, the centre department of gauge rod length direction is connected with the under surface rotation of body backup pad.

Through adopting above-mentioned technical scheme, when the height of body is adjusted to needs, rotate adjusting screw, connecting screw drives the supporting shoe through adjusting gear and shifts up or move down, supports under the effect of tight piece and through the check rod drive the alignment block and reciprocate at the body, treats that the upper surface of alignment block and the upper surface of body backup pad are held level at ordinary times, can learn being in the horizontality of body, finishes to the positioning adjustment of body promptly.

Furthermore, a rubber sleeve is arranged on a piston rod of the fixed cylinder.

Through adopting above-mentioned technical scheme, the setting of rubber sleeve can avoid damaging the musical instrument body when fixed cylinder fixes the musical instrument body.

Further, be provided with neck adjustment mechanism in the frame, rotating device sets up in neck adjustment mechanism upper surface, rotating device is turbine worm gear motor neck stop device sets up the rotor plate on turbine worm gear motor output shaft including rotating, sets up the neck backup pad on the rotor plate, sets up on the neck backup pad and is used for compressing tightly the neck of neck and compresses tightly the piece, sets up the lapse cylinder in the neck backup pad and sets up in neck backup pad lower surface and be used for the calibration and fix the alignment mechanism of neck, the neck compresses tightly the piece and rotates and set up on the piston rod of lapse cylinder, the neck compresses tightly the piece and is the setting of zigzag, the neck compresses tightly the piece and keeps away from body stop device's one end lower surface and is provided with the rubber briquetting that is used for supporting tightly the neck.

Through adopting above-mentioned technical scheme, when needs are fixed a position the neck and are pressed from both sides tightly, place the neck in the neck backup pad earlier, start and pass cylinder and aligning gear, the piston rod of passing the cylinder drives the neck and compresses tightly piece and rubber briquetting and compress tightly the neck, and aligning gear fixes a position and presss from both sides tightly the neck simultaneously.

Furthermore, a through hole is formed in the neck support plate, the calibration mechanism comprises a positioning stopper and a movable stopper which are arranged at the through hole, and a second driving cylinder for driving the movable stopper to reciprocate towards the positioning stopper is arranged on the neck support plate.

Through adopting above-mentioned technical scheme, after starting the aligning gear, the second drives actuating cylinder and drives the activity and keeps off the piece and move towards location fender piece direction to fix a position and press from both sides the neck, thereby guarantee that the processing position of neck is accurate.

Further, neck adjustment mechanism is including setting up first base in the frame, sliding and setting up in the first bedplate of first base, setting up in the second base of first bedplate and sliding and setting up the second bedplate on the second base, be provided with the first screw rod with first bedplate threaded connection on the first base, be provided with the second screw rod with second bedplate threaded connection on the second base, first screw rod and first slide rail parallel and act on first bedplate and move along first screw rod length direction, the second screw rod is mutually perpendicular with first slide rail and acts on the second bedplate and move along second screw rod length direction.

Through adopting above-mentioned technical scheme, when needs adjust neck stop device's horizontal position, the displacement between first bedplate and the first base is adjusted to rotatable first screw rod, rotates the displacement between second bedplate and the second base again to make neck stop device can move the regulation on the horizontal plane.

Further, the neck cutting device comprises a first moving cylinder vertically arranged on the rack, a first moving plate horizontally arranged on a piston rod of the first moving cylinder, a second moving cylinder horizontally arranged on the first moving plate, a second moving plate horizontally arranged on a piston rod of the second moving cylinder, a third moving cylinder horizontally arranged on the second moving plate, a third moving plate horizontally arranged on a piston rod of the third moving cylinder, and a neck cutting machine arranged on the third moving plate, wherein the piston rod of the second moving cylinder is parallel to the moving direction of the second moving plate and the length direction of the first slide rail, and the moving direction of the piston rod of the third moving cylinder and the moving direction of the third moving plate are perpendicular to the length direction of the first slide rail.

By adopting the technical scheme, when the neck is required to be cut by the neck cutting device, the first moving cylinder and the first moving plate drive the neck cutting machine to move in the vertical direction, and the second moving cylinder, the second moving plate, the third moving cylinder and the third moving plate drive the neck cutting machine to move on the horizontal plane, so that the neck cutting machine can move on a three-dimensional space and effectively cut the neck.

Further, the body cutting device comprises a fourth moving cylinder vertically arranged on the rack, a fourth moving plate horizontally arranged on a piston rod of the fourth moving cylinder, a fifth moving cylinder horizontally arranged on the fourth moving plate, a fifth moving plate horizontally arranged on a piston rod of the fifth moving cylinder, a sixth moving cylinder horizontally arranged on the fifth moving plate, a sixth moving plate horizontally arranged on a piston rod of the sixth moving cylinder, and a body cutting machine arranged on the sixth moving plate, wherein the piston rod of the fifth moving cylinder is parallel to the moving direction of the fifth moving plate and the length direction of the first slide rail, and the moving direction of the piston rod of the sixth moving cylinder is perpendicular to the moving direction of the sixth moving plate and the length direction of the first slide rail.

By adopting the technical scheme, when the body is required to be cut by the body cutting device, the fourth moving cylinder and the fourth moving plate drive the body cutting machine to move in the vertical direction, and the fifth moving cylinder, the fifth moving plate, the sixth moving cylinder and the sixth moving plate drive the body cutting machine to move on the horizontal plane, so that the body cutting machine can move in a three-dimensional space and effectively cut a neck.

Further, the butt device is including setting up the promotion cylinder on neck cutting device and setting up the piece of keeping up on the piston rod of promotion cylinder, it parallels with first slide rail length direction to promote the cylinder.

Through adopting above-mentioned technical scheme, support tightly by supporting tight piece to body cutting department, and can adjust the position of supporting the piece through promoting the cylinder to guarantee that the cutting of neck is accurate.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the body and the neck are limited by the body limiting device and the neck limiting device respectively, then the neck is effectively cut by the neck cutting device, the neck limiting device, the rotating device and the abutting device, and finally the body is effectively cut by the body limiting device, the first driving air cylinder, the first sliding rail and the body cutting device, so that the body and the neck are only matched, and the purposes of improving the processing precision and the production efficiency are achieved;

(2) by arranging the rubber sleeve, the body can be prevented from being damaged when the body is fixed by the fixing cylinder;

(3) support tightly to the body cutting department through supporting the piece, and can adjust the position of supporting the piece by promoting the cylinder to guarantee that the cutting of neck is accurate.

Drawings

FIG. 1 is an overall view of the present embodiment;

FIG. 2 is a schematic sectional view of the present embodiment;

fig. 3 is an enlarged schematic view of a in fig. 2.

Reference numerals: 1. a frame; 2. a first slide rail; 3. a first driving cylinder; 4. a rotating device; 5. a slide plate; 6. a body supporting plate; 7. positioning blocks; 8. positioning the air cylinder; 9. fixing the air cylinder; 10. a let position port; 11. a detection lever; 12. a correction block; 13. a butting block; 14. an adjusting gear; 15. a support block; 16. adjusting the screw rod; 17. a rubber sleeve; 18. a rotating plate; 19. a neck support plate; 20. a neck compression member; 21. a pushing cylinder; 22. pressing rubber blocks; 23. a positioning stopper; 24. a movable stopper; 25. a port; 26. a second driving cylinder; 27. a first base; 28. a first seat plate; 29. a second base; 30. a second seat plate; 31. a first screw; 32. a second screw; 33. a first moving cylinder; 34. a first moving plate; 35. a second moving cylinder; 36. a second moving plate; 37. a third moving cylinder; 38. a third moving plate; 39. a neck cutter; 40. a fourth moving cylinder; 41. a fourth moving plate; 42. a fifth moving cylinder; 43. a fifth moving plate; 44. a sixth moving cylinder; 45. a sixth moving plate; 46. a body cutter; 47. a push cylinder; 48. and the abutting piece.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and examples.

A jointing falcon for processing a body and a neck is disclosed, as shown in figures 1 and 2, and comprises a frame 1, wherein a body limiting device for positioning and clamping the body is arranged on the upper surface of the frame 1, a neck limiting device for positioning and clamping the neck is arranged on the upper surface of the frame 1, the neck limiting device fixes the neck and enables the processing position of the neck to be opposite to and corresponding to the processing position of the body, a neck cutting device for cutting the neck is arranged between the body limiting device and the neck limiting device, a body cutting device for cutting the body is arranged at the side end of the neck cutting device, an abutting device for abutting against the processing surface of the body is arranged at one end of the neck cutting device facing the body limiting device, a first slide rail 2 matched with the body limiting device is arranged below the frame 1, the extending direction of the first slide rail 2 is vertical to the length direction of the neck, the machine frame 1 is provided with a first driving cylinder 3 for driving the body limiting device to move along the extending direction of the first slide rail 2, and the machine frame 1 is provided with a rotating device 4 for driving the neck limiting device to rotate and positioned below the neck limiting device.

As shown in fig. 1 and 2, the body limiting device comprises a sliding plate 5 installed on a first sliding rail 2, a body supporting plate 6 installed on the sliding plate 5, a positioning block 7 and a positioning cylinder 8 installed on the body supporting plate 6, two fixing cylinders 9 installed on the body supporting plate 6 and used for fixing the body and a body adjusting mechanism installed on the body supporting plate 6 and used for adjusting the height of the body, the positioning block 7 is installed on a piston rod of the positioning cylinder 8, the positioning cylinder 8 is located at the position, close to one end of the neck limiting device, of the body supporting plate 6, the positioning cylinder 8 is arranged in a flat shape with the first sliding rail 2, the two fixing cylinders 9 are respectively installed at the two ends close to the neck limiting device and far away from the neck limiting device, and the two fixing cylinders 9 are vertically arranged. When the body is positioned and clamped tightly as required, the body can be placed on the body supporting plate 6, the positioning cylinder 8 is started, the positioning cylinder 8 drives the positioning block 7 to move and move to a preset position, the processing position of the body corresponds to the positioning block 7, then the positioning cylinder 8 drives the positioning block 7 to reset, the piston rod of the fixing cylinder 9 compresses the body on the body supporting plate 6, the body height can be adjusted to a horizontal position by adjusting the body adjusting mechanism, and the processing position of the body can be positioned more accurately.

Further, as shown in fig. 2 and 3, an escape opening 10 is provided at one end of the body supporting plate 6 far away from the neck limiting device, the body adjusting mechanism comprises a detecting rod 11 rotatably installed on the lower surface of the body supporting plate 6, a correcting block 12 and a butting block 13 installed at two ends of the detecting rod 11, an adjusting gear 14 installed below the body supporting plate 6, a supporting block 15 installed on the end surface of the adjusting gear 14 and used for butting against the lower surface of the body, and an adjusting screw 16 installed on the lower surface of the body supporting plate 6 and meshed with the adjusting gear 14, wherein the butting block and the adjusting gear 14 are both located at the escape opening 10, the correcting block 12 is located at the side wall of the body supporting plate 6, and the middle of the detecting rod 11 in the length direction is rotatably connected with the lower surface of the body supporting plate 6. When the height of the body needs to be adjusted, the adjusting screw 16 is rotated, the connecting screw drives the supporting block 15 to move up or down through the adjusting gear 14, the correcting block 12 is driven to move up and down through the checking rod under the effect of the body abutting block, the upper surface of the correcting block 12 is kept level with the upper surface of the body supporting plate 6, and the body can be known to be in a horizontal state, namely the positioning adjustment of the body is completed.

It is worth mentioning that the rubber sleeve 17 is fixed on the piston rod of the fixed cylinder 9, so that the body can be prevented from being damaged when the fixed cylinder 9 fixes the body.

As shown in fig. 1 and 2, a neck adjusting mechanism is installed on the machine frame 1, the rotating device 4 is installed on the upper surface of the neck adjusting mechanism, the rotating device 4 is a worm gear speed reducing motor, the neck limiting device comprises a rotating plate 18 rotatably installed on an output shaft of the worm gear speed reducing motor, a neck support plate 19 installed on the rotating plate 18, a neck pressing piece 20 installed on the neck support plate 19 and used for pressing the neck, a pushing cylinder 21 installed on the neck support plate 19 and a calibrating mechanism installed on the lower surface of the neck support plate 19 and used for calibrating and fixing the neck, the neck pressing piece 20 is rotatably installed on a piston rod of the pushing cylinder 21, the neck pressing piece 20 is arranged in a zigzag manner, and a rubber pressing block 22 used for pressing the neck is installed on the lower surface of one end, far away from the body limiting device, of the neck pressing piece 20. When the neck needs to be positioned and clamped, the neck is placed on the neck supporting plate 19, the pushing cylinder 21 and the calibrating mechanism are started, the piston rod of the pushing cylinder 21 drives the neck pressing piece 20 and the rubber pressing block 22 to press the neck, and meanwhile, the calibrating mechanism positions and clamps the neck.

As shown in fig. 1 and 2, the neck support plate 19 is provided with a through opening 25, the alignment mechanism comprises a positioning stopper 23 and a movable stopper 24 mounted at the through opening 25, and the neck support plate 19 is provided with a second driving cylinder 26 for driving the movable stopper 24 to reciprocate toward the positioning stopper 23. When the alignment mechanism is activated, the second driving cylinder 26 drives the movable stopper 24 to move toward the positioning stopper 23, and the neck is positioned and clamped, thereby ensuring the precision of the processing position of the neck.

As shown in fig. 1 and 2, the neck adjusting mechanism includes a first base 27 mounted on the frame 1, a first seat plate 28 slidably mounted on the first base 27, a second base 29 mounted on the first seat plate 28, and a second seat plate 30 slidably mounted on the second base 29, a first screw 31 threadedly connected to the first seat plate 28 is mounted on the first base 27, a second screw 32 threadedly connected to the second seat plate 30 is mounted on the second base 29, the first screw 31 is parallel to the first slide rail 2 and acts on the first seat plate 28 to move along the length direction of the first screw 31, and the second screw 32 is perpendicular to the first slide rail 2 and acts on the second seat plate 30 to move along the length direction of the second screw 32. When it is desired to adjust the horizontal position of the neck stop, the first screw 31 is rotated to adjust the displacement between the first seat plate 28 and the first base 27, and the second screw 32 is rotated to adjust the displacement between the second seat plate 30 and the second base 29, so that the neck stop can be movably adjusted in the horizontal plane.

As shown in fig. 1 and 2, the neck cutting device includes a first moving cylinder 33 vertically installed on the rack 1, a first moving plate 34 horizontally installed on a piston rod of the first moving cylinder 33, a second moving cylinder 35 horizontally installed on the first moving plate 34, a second moving plate 36 horizontally installed on a piston rod of the second moving cylinder 35, a third moving cylinder 37 horizontally installed on the second moving plate 36, a third moving plate 38 horizontally installed on a piston rod of the third moving cylinder 37, and a neck cutter 39 installed on the third moving plate 38, wherein the moving directions of the piston rod of the second moving cylinder 35 and the second moving plate 36 are parallel to the length direction of the first slide rail 2, and the moving directions of the piston rod of the third moving cylinder 37 and the third moving plate 38 are perpendicular to the length direction of the first slide rail 2. When the neck is required to be cut by the neck cutting device, the first moving cylinder 33 and the first moving plate drive the neck cutting machine 39 to move in the vertical direction, and then the second moving cylinder 35, the second moving plate 36, the third moving cylinder 37 and the third moving plate 38 drive the neck cutting machine 39 to move on the horizontal plane, so that the neck cutting machine 39 can move on a three-dimensional space and effectively cut the neck.

Further, the body cutting device comprises a fourth moving cylinder 40 vertically mounted on the frame 1, a fourth moving plate 41 horizontally mounted on a piston rod of the fourth moving cylinder 40, a fifth moving cylinder 42 horizontally mounted on the fourth moving plate 41, a fifth moving plate 43 horizontally mounted on a piston rod of the fifth moving cylinder 42, a sixth moving cylinder 44 horizontally mounted on the fifth moving plate 43, a sixth moving plate 45 horizontally mounted on a piston rod of the sixth moving cylinder 44, and a body cutter 46 mounted on the sixth moving plate 45, wherein the moving directions of the piston rod of the fifth moving cylinder 42 and the fifth moving plate 43 are parallel to the length direction of the first slide rail 2, and the moving directions of the piston rod of the sixth moving cylinder 44 and the sixth moving plate 45 are perpendicular to the length direction of the first slide rail 2. When the body is required to be cut by the body cutting device, the fourth moving cylinder 40 and the fourth moving plate 41 drive the body cutter 46 to move in the vertical direction, and the fifth moving cylinder 42, the fifth moving plate 43, the sixth moving cylinder 44 and the sixth moving plate 45 drive the body cutter 46 to move on the horizontal plane, so that the body cutter 46 can move in a three-dimensional space and effectively cut the neck.

As shown in fig. 1 and 2, the abutment device includes a push cylinder 47 mounted on the neck cutting device and an abutment member 48 mounted on a piston rod of the push cylinder 47, the push cylinder 47 being parallel to the longitudinal direction of the first slide rail 2. The body cutting part is abutted by the abutting member 48, and the position of the abutting member 48 can be adjusted by pushing the air cylinder 47, thereby ensuring the accurate cutting of the neck.

The utility model discloses a working process and beneficial effect as follows: when needs are processed the junction of body and neck, fix a position and press from both sides tightly to the body by body stop device, fix a position and press from both sides tightly the neck by neck stop device again, start neck cutting device, butt device on the neck cutting device supports the processing department surface of tight body, and the neck is at neck cutting device, the processing department to the neck is processed under the cooperation of neck stop device and rotating device 4, thereby obtain neck machined surface and body machined surface matched with effect, remove body stop device to body cutting device corresponding department through the cooperation of first drive actuating cylinder 3 and first slide rail 2 after that, cut by body cutting device to the processing department of body again.

To sum up, it is spacing respectively to body and neck through body stop device and neck stop device to the aforesaid, then carry out effective cutting by neck cutting device, neck stop device, rotating device 4 and butt device to the neck, carry out effective cutting by body stop device, the first actuating cylinder 3 that drives, first slide rail 2 and body cutting device to the body at last for body and the only cooperation of neck, thereby reach the purpose that improves machining precision and production efficiency.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a handing-over falcon groove machine for processing body and neck which characterized in that: comprises a frame (1), the upper surface of the frame (1) is provided with a body limiting device for positioning and clamping a body, the upper surface of the frame (1) is provided with a neck limiting device for positioning and clamping a neck, the neck limiting device fixes the neck and enables the processing position of the neck and the processing position of the body to be opposite and corresponding, a neck cutting device for cutting the neck is arranged between the body limiting device and the neck limiting device, the side end of the neck cutting device is provided with a body cutting device for cutting the body, one end of the neck cutting device, which faces the body limiting device, is provided with a butt device for tightly abutting against the processing surface of the body, the frame (1) is provided with a first sliding rail (2) matched with the body limiting device below the body limiting device, the extending direction of the first sliding rail (2) is vertical to the length direction of the neck, the musical instrument neck limiting device is characterized in that a first driving cylinder (3) used for driving the musical instrument body limiting device to move along the extending direction of the first sliding rail (2) is arranged on the rack (1), and a rotating device (4) used for driving the musical instrument neck limiting device to rotate is arranged on the rack (1) and below the musical instrument neck limiting device.

2. A joint keyway for processing a body and neck as claimed in claim 1 wherein: the body limiting device comprises a sliding plate (5) arranged on the first sliding rail (2), a body supporting plate (6) arranged on the sliding plate (5), a positioning block (7) and a positioning cylinder (8) arranged on the body supporting plate (6), two fixing cylinders (9) arranged on the body supporting plate (6) and used for fixing the body, and a body adjusting mechanism arranged on the body supporting plate (6) and used for adjusting the height of the body, the positioning block (7) is arranged on a piston rod of the positioning cylinder (8), the positioning cylinder (8) is positioned at one end of the body supporting plate (6) close to the neck limiting device, the positioning cylinder (8) and the first sliding rail (2) are arranged in a flat mode, the fixing cylinders (9) are arranged at two ends, close to the neck limiting device and far away from the neck limiting device, of the two ends, and the fixing cylinders (9) are arranged vertically.

3. A joint keyway for processing a body and neck as claimed in claim 2 wherein: a position-giving opening (10) is arranged at one end of the body supporting plate (6) far away from the neck limiting device, the body adjusting mechanism comprises a detection rod (11) rotatably arranged on the lower surface of the body supporting plate (6), a correction block (12) and a butting block (13) which are arranged at two ends of the detection rod (11), an adjusting gear (14) arranged below the body supporting plate (6), a supporting block (15) which is arranged on the end surface of the adjusting gear (14) and is used for butting the lower surface of the body, and an adjusting screw rod (16) which is arranged on the lower surface of the body supporting plate (6) and is meshed with the adjusting gear (14), the abutting block and the adjusting gear (14) are both positioned at the position-giving opening (10), the correcting block (12) is positioned on the side wall of the body supporting plate (6), and the middle of the length direction of the detecting rod (11) is rotatably connected with the lower surface of the body supporting plate (6).

4. A joint keyway for processing a body and neck as claimed in claim 2 wherein: and a piston rod of the fixed cylinder (9) is provided with a rubber sleeve (17).

5. A joint keyway for processing a body and neck as claimed in claim 1 wherein: the machine frame (1) is provided with a neck adjusting mechanism, the rotating device (4) is arranged on the upper surface of the neck adjusting mechanism, the rotating device (4) is a worm gear speed reducing motor, the neck limiting device comprises a rotating plate (18) rotatably arranged on an output shaft of the worm gear speed reducing motor, a neck supporting plate (19) arranged on the rotating plate (18), a neck pressing piece (20) arranged on the neck supporting plate (19) and used for pressing the neck, a pushing cylinder (21) arranged on the neck supporting plate (19) and a calibrating mechanism arranged on the lower surface of the neck supporting plate (19) and used for calibrating and fixing the neck, the neck pressing piece (20) is rotationally arranged on a piston rod of the pushing cylinder (21), the neck pressing piece (20) is arranged in a Z shape, and a rubber pressing block (22) used for tightly abutting against the neck is arranged on the lower surface of one end, away from the body limiting device, of the neck pressing piece (20).

6. A joint keyway for processing a body and neck as claimed in claim 5, wherein: the neck support plate (19) is provided with a through hole (25), the calibration mechanism comprises a positioning stopper (23) and a movable stopper (24) which are arranged at the through hole (25), and the neck support plate (19) is provided with a driving cylinder for driving the movable stopper (24) to reciprocate towards the positioning stopper (23).

7. A joint keyway for processing a body and neck as claimed in claim 5, wherein: neck adjustment mechanism sets up in first bedplate (28) of first base (27), the second bedplate (30) on second base (29) including setting up first base (27) on frame (1), sliding on, be provided with on first base (27) first screw rod (31) with first bedplate (28) threaded connection, be provided with on second base (29) second screw rod (32) with second bedplate (30) threaded connection, first screw rod (31) parallel and act on first bedplate (28) along first screw rod (31) length direction motion with first slide rail (2), second screw rod (32) are perpendicular mutually with first slide rail (2) and act on second bedplate (30) along second screw rod (32) length direction motion.

8. A joint keyway for processing a body and neck as claimed in claim 1 wherein: the neck cutting device comprises a first moving cylinder (33) vertically arranged on the rack (1), a first moving plate (34) horizontally arranged on a piston rod of the first moving cylinder (33), a second moving cylinder (35) horizontally arranged on the first moving plate (34), a second moving plate (36) horizontally arranged on a piston rod of the second moving cylinder (35), a third moving cylinder (37) horizontally arranged on the second moving plate (36), a third moving plate (38) horizontally arranged on a piston rod of the third moving cylinder (37) and a neck cutting machine (39) arranged on the third moving plate (38), the moving directions of a piston rod of the second moving cylinder (35) and the second moving plate (36) are parallel to the length direction of the first slide rail (2), the moving directions of a piston rod of the third moving cylinder (37) and the third moving plate (38) are vertical to the length direction of the first slide rail (2).

9. A joint keyway for processing a body and neck as claimed in claim 1 wherein: the body cutting device comprises a fourth moving cylinder (40) vertically arranged on the rack (1), a fourth moving plate (41) horizontally arranged on a piston rod of the fourth moving cylinder (40), a fifth moving cylinder (42) horizontally arranged on the fourth moving plate (41), a fifth moving plate (43) horizontally arranged on a piston rod of the fifth moving cylinder (42), a sixth moving cylinder (44) horizontally arranged on the fifth moving plate (43), a sixth moving plate (45) horizontally arranged on a piston rod of the sixth moving cylinder (44) and a body cutting machine (46) arranged on the sixth moving plate (45), the motion directions of a piston rod of the fifth moving cylinder (42) and the fifth moving plate (43) are parallel to the length direction of the first slide rail (2), the moving directions of a piston rod of the sixth moving cylinder (44) and the sixth moving plate (45) are vertical to the length direction of the first slide rail (2).

10. A joint keyway for processing a body and neck as claimed in claim 1 wherein: the abutting device comprises a pushing cylinder (47) arranged on the neck cutting device and an abutting piece (48) arranged on a piston rod of the pushing cylinder (47), and the pushing cylinder (47) is parallel to the length direction of the first sliding rail (2).