CN214471324U

CN214471324U - Automatic string plucking machine

Info

Publication number: CN214471324U
Application number: CN202120782814.0U
Authority: CN
Inventors: 郑晓明
Original assignee: Guangzhou Romance Musical Instruments Co ltd
Current assignee: Guangzhou Romance Musical Instruments Co ltd
Priority date: 2021-04-16
Filing date: 2021-04-16
Publication date: 2021-10-22
Anticipated expiration: 2031-04-16

Abstract

An automatic string plucking machine comprises a resonance box, a string hanging seat arranged at one end of the resonance box, a position-finding seat arranged at the other end of the resonance box, strings arranged between the string hanging seat and the position-finding seat and a string plucker used for plucking the strings; one end of the string with the bead head is fixed on the string hanging seat, the other end of the string is fixed on the position standard of the position standard seat, and the vibration of the string is amplified through the resonance box to realize sound production. The utility model discloses the principle: the tension of the string is adjusted through the string hanging seat and the position correcting seat, the string is automatically plucked through the string plucking device, listening tests are carried out on the string after the number of plucking times is set, the sound production performance of the string is not changed so after the number of plucking times is reached, the string can reach the use requirement, and otherwise the requirement cannot be met.

Description

Automatic string plucking machine

Technical Field

The utility model relates to a detecting instrument, especially carry out the automatic string shifting device that detects to the sound attenuation performance of string.

Background

After the string is plucked a certain number of times, the sound production performance of string can take place some changes, and sound production performance is an important index of string, so need detect. At present, the acoustic performance of string mainly still leans on artifical the detection, needs the specially-assigned person to incessantly pluck the string, then detects, consumes manpower and materials, and the people who plays the test is tired easily, and the time test can not be fine continuation.

Disclosure of Invention

The utility model aims to solve the technical problem that an automatic string poking machine is provided, solve the technical problem that artifical detection exists.

In order to solve the technical problem, the technical scheme of the utility model is that: an automatic string plucking machine comprises a resonance box, a string hanging seat arranged at one end of the resonance box, a position-finding seat arranged at the other end of the resonance box, strings arranged between the string hanging seat and the position-finding seat and a string plucker used for plucking the strings; one end of the string with the bead head is fixed on the string hanging seat, the other end of the string is fixed on the position standard of the position standard seat, and the vibration of the string is amplified through the resonance box to realize sound production. The utility model discloses the principle: the tension of the string is adjusted through the string hanging seat and the position correcting seat, the string is automatically plucked through the string plucking device, listening tests are carried out on the string after the number of plucking times is set, the sound production performance of the string is not changed so after the number of plucking times is reached, the string can reach the use requirement, and otherwise the requirement cannot be met.

As an improvement, the device also comprises a frame, wherein two fixing plates are arranged on the frame, two optical axis slide rails are arranged between the two fixing plates, and the position-matching seat is in sliding fit with the optical axis slide rails.

As an improvement, a string plucking device seat for driving the string plucking device to reciprocate is arranged on the optical axis slide rail.

As an improvement, the string plucking seat is in sliding fit with the optical axis slide rail.

As an improvement, the string plucking device seat comprises a seat body, a linear motor guide rail and a connecting block, wherein the linear motor guide rail and the connecting block are arranged on the seat body, and the linear motor guide rail drives the string plucking device to reciprocate through the connecting block.

As an improvement, the strings are tightly attached to the surface of the resonance box, and a music pillow is arranged between the strings and the resonance box.

As an improvement, the string poking device comprises a string poking seat, a poking block, a poking sheet and a spring, wherein the poking block is pivoted on the string poking seat through a pin shaft, the poking sheet is fixed on the poking block, the spring is respectively arranged on two swinging sides of the poking block, one end of the spring is abutted against the poking block, and the other end of the spring is abutted against the string poking seat.

As an improvement, a screw which is propped against one end of the spring is arranged on the string pulling seat.

Compared with the prior art, the utility model the beneficial effect who brings is:

the tension of the string is adjusted through the string hanging seat and the position correcting seat, the string is automatically plucked through the string plucking device, listening tests are carried out on the string after the number of plucking times is set, the sound production performance of the string is not changed so after the number of plucking times is reached, the string can reach the use requirement, and otherwise the requirement cannot be met.

Drawings

Fig. 1 is a side view of the present invention.

Fig. 2 is a top view of the present invention.

Fig. 3 is an end view of the present invention.

Fig. 4 is a cross-sectional view I of the string plucker.

Fig. 5 is a cross-sectional view II of the string plucker.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

As shown in fig. 1 to 3, an automatic string plucking machine comprises a frame 1, a resonance box 7, a string hanging seat 2 arranged at one end of the resonance box 7, a position matching seat 3 arranged at the other end of the resonance box 7, strings 8 arranged between the string hanging seat 2 and the position matching seat 3, a string plucker 5 for plucking the strings 8 and a string plucking seat 4 for driving the string plucker 5 to reciprocate.

As shown in fig. 1 to 3, two ends of the frame 1 are provided with fixing plates 6, two parallel optical axis sliding rails 10 are arranged between the two fixing plates 6, and the optical axis sliding rails 10 are locked on the fixing plates 6 through end covers.

As shown in fig. 1 to 3, the resonator 7 is arranged on the frame 1, the length direction of the resonator 7 is arranged between two fixing plates 6, the width direction of the resonator 7 is arranged between two optical axis slide rails 10, and the vibration of strings 8 is amplified by the resonator 7 to realize sound production.

As shown in fig. 1 to 3, the string hanging seat 2 is close to the fixing plate 6 at one end and fixed on the frame 1, and the beaded end of the string 8 can be directly fixed on the string hanging seat 2.

As shown in fig. 1 to 3, the position-matching base 3 is close to the fixing plate 6 at the other end, the position-matching base 3 is slidably engaged with the optical axis slide rail 10 through a linear bearing, the position-matching base 3 can move on the optical axis slide rail 10 to adjust the position, and the position-matching base 3 is tightened and fixed by a screw after being adjusted to a proper position, so that the position-matching base 3 cannot move; the level seat 3 is provided with a level 31, the other end of the string 8 is fixed on the level 31 of the level seat 3, and the tension of the string 8 is adjusted through the level 31.

As shown in fig. 1 to 3, the string plucking device seat 4 is in sliding fit with the optical axis slide rail 10 through a linear bearing, the string plucking device seat 4 can move on the optical axis slide rail 10 to adjust the position, and is tightened and fixed by a screw after being adjusted to a proper position, so that the string plucking device seat 5 cannot move; the string plucking device 5 seat comprises a seat body, a linear motor guide rail 41 and a connecting block 42, wherein the linear motor guide rail 41 is installed on the seat body, and the linear motor guide rail 41 drives the string plucking device 5 to reciprocate through the connecting block 42 so as to realize string plucking action.

As shown in fig. 4 and 5, the string plucker 5 comprises a string plucking seat, a plucking block 54, a plucking piece 55 and a spring 57; the string pulling seat comprises a connecting part 51 and a U-shaped part 52, and an accommodating space is formed in the U-shaped part 52; the shifting block 54 is pivoted in the U-shaped part 52 of the string shifting seat through a pin shaft 53, and the shifting block 54 can freely swing; the shifting piece 55 is fixed at the lower end of the shifting block 54, the shifting piece 55 is pressed and fixed by a screw 56, and the shifting piece 55 can be replaced; the springs 57 are respectively arranged on two sides of the swing of the shifting block 54, one end of each spring 57 abuts against the shifting block 54, the other end of each spring 57 abuts against the string shifting seat, the adjusting screw 58 which abuts against one end of each spring 57 is arranged on the string shifting seat, the elastic force of each spring 57 can be adjusted through the adjusting screw 58, when the shifting piece 55 shifts and plays strings 8, due to the effect of the springs 57, the strings 8 can be flexibly shifted and cannot be seriously abraded.

As shown in fig. 1, the string 8 is tightly attached to the surface of the resonance box 7, two pillows 9 are placed in the sound production section of the string 8, the pillows 9 are tightly attached to the resonance box 7, the vibration of the string 8 is amplified through the resonance box 7 to realize sound production, and the machine starts to work after the string 8 is adjusted to the standard sound.

The utility model discloses the principle: the tension of the string 8 is adjusted through the string hanging seat 2 and the position matching seat 3, the string 8 is automatically plucked through the string plucking device 5, the listening test is carried out on the string 8 after the plucking times are set, the sounding performance of the string 8 is not changed after the plucking times are reached, the string 8 can meet the use requirement, and otherwise, the requirement cannot be met.

Claims

1. The utility model provides an automatic pluck string machine which characterized in that: comprises a resonance box, a string hanging seat arranged at one end of the resonance box, a level base arranged at the other end of the resonance box, strings arranged between the string hanging seat and the level base and a string plucker used for plucking the strings; one end of the string with the bead head is fixed on the string hanging seat, the other end of the string is fixed on the position standard of the position standard seat, and the vibration of the string is amplified through the resonance box to realize sound production.

2. The automatic string plucking machine according to claim 1, characterized in that: the device is characterized by further comprising a rack, wherein two fixing plates are arranged on the rack, two optical axis sliding rails are arranged between the two fixing plates, and the position-matching seat is in sliding fit with the optical axis sliding rails.

3. The automatic string plucking machine according to claim 2, characterized in that: and a string plucking device seat for driving the string plucking device to reciprocate is arranged on the optical axis slide rail.

4. The automatic string plucking machine according to claim 3, characterized in that: and the string plucking seat is in sliding fit with the optical axis slide rail.

5. The automatic string plucking machine according to claim 3, characterized in that: the string poking device seat comprises a seat body, a linear motor guide rail and a connecting block, wherein the linear motor guide rail and the connecting block are installed on the seat body, and the linear motor guide rail drives the string poking device to reciprocate through the connecting block.

6. The automatic string plucking machine according to claim 1, characterized in that: the surface of resonant tank is hugged closely to the string, is equipped with the musical instrument pillow between string and the resonant tank.

7. The automatic string plucking machine according to claim 1, characterized in that: the string poking device comprises a string poking seat, a poking block, a poking sheet and a spring, wherein the poking block is pivoted on the string poking seat through a pin shaft, the poking sheet is fixed on the poking block, the spring is respectively arranged on two swinging sides of the poking block, one end of the spring abuts against the poking block, and the other end of the spring abuts against the string poking seat.

8. The automatic string plucking machine according to claim 7, characterized in that: and a screw which is propped against one end of the spring is arranged on the string poking seat.