CN105957500A - Automated string production device and method - Google Patents
Automated string production device and method Download PDFInfo
- Publication number
- CN105957500A CN105957500A CN201610421661.0A CN201610421661A CN105957500A CN 105957500 A CN105957500 A CN 105957500A CN 201610421661 A CN201610421661 A CN 201610421661A CN 105957500 A CN105957500 A CN 105957500A
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- string
- speed rotation
- bobbin
- rotation device
- automatization
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- 238000000034 method Methods 0.000 title claims abstract description 32
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 9
- 230000008569 process Effects 0.000 claims abstract description 22
- 230000007246 mechanism Effects 0.000 claims abstract description 7
- 230000033001 locomotion Effects 0.000 claims description 39
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 9
- 230000008859 change Effects 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000005498 polishing Methods 0.000 abstract description 6
- 238000012545 processing Methods 0.000 abstract description 5
- 238000004804 winding Methods 0.000 abstract description 5
- 238000003754 machining Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 9
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000012549 training Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10C—PIANOS, HARPSICHORDS, SPINETS OR SIMILAR STRINGED MUSICAL INSTRUMENTS WITH ONE OR MORE KEYBOARDS
- G10C9/00—Methods, tools or materials specially adapted for the manufacture or maintenance of musical instruments covered by this subclass
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10C—PIANOS, HARPSICHORDS, SPINETS OR SIMILAR STRINGED MUSICAL INSTRUMENTS WITH ONE OR MORE KEYBOARDS
- G10C3/00—Details or accessories
- G10C3/07—Strings
- G10C3/08—Arrangements thereof
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10C—PIANOS, HARPSICHORDS, SPINETS OR SIMILAR STRINGED MUSICAL INSTRUMENTS WITH ONE OR MORE KEYBOARDS
- G10C3/00—Details or accessories
- G10C3/10—Tuning pins; Tensioning devices
Abstract
The invention relates to the field of music instrument making, in particular to an automated string production device and method. The device comprises a rack, a working platform arranged on the rack, core wire high-speed rotating devices, a mobile load platform, a wire discharge device arranged on the mobile load platform, a tensioning adjusting mechanism, a wire feeding mechanism, a control system, a UI interface and a control area. By means of the automated string winding and polishing equipment, semi-automation winding processing of strings is achieved, high-precision machining of multiple strings with different types and different specifications is achieved in a digital control programming mode, different process modes can be output according to different strings, and multiple purposes are achieved through one machine; compared with an original artificial winding processing mode, the processing efficiency is improved, reliable process quality is achieved, by means of the automatic polishing function, manpower can be saved, the problem that the quality is out of control due to artificial operation fatigue and other problems can be avoided, and the equipment is simple in integral structure and convenient to adjust and maintain.
Description
Technical field
The present invention relates to musical instrument and make field, particularly relate to a kind of automatization's string process units and method.
Background technology
String machine is the equipment for manufacturing musical instrument string, and for stringed musical instrument, string is the key factor affecting its tone color.The making of tradition string mainly relies on and utilizes the winding of simple apparatus to make silk string by hand, and along with introduction and the appearance of steel wire string of western musical instrument, due to silk string Quality Down, yield is few again, and price is more expensive than steel wire string again, so major part is used steel wire string instead and used.And in the production process of steel wire string, due to a large amount of modes using manual production, more obvious around drawbacks such as the uneven of string and tonequality are bad, even maturation also be difficult to ensure yield rate and the stability of tone color tonequality of string around string master worker.The principle of string coiling is first heart yearn (steel wire) to be fixed on rotating head two ends, and circle silk or flat filament are wound around thereon, the most also added with strand layer etc. according to the mode of helix.String is wound around needs the highest rotating speed, if wanting guaranteed quality will have stable rotating speed and the circle silk amount of feeding.String also needs to polish after being wound around.Original manual operations pattern is difficult to meet a large amount of requirement produced with high-quality really.The string produced wants to be fitted on use in musical instrument, in addition it is also necessary to just can choose, with pairing etc., the one group of string suited the requirements through substantial amounts of screening.
Thus consider a kind of automatization's string coiling of exploitation and grinding apparatus, it is characterized in that the integrated level height suitability is wide, disclosure satisfy that the production of multiple different size string, and save manpower as far as possible, for comparing tradition string machine, all parameters are all by machine self regulation and output, and coiling and bruting process are fully achieved numeral and weave into control.Being had a distinct increment by its structural stability of design of integration, produced noise itself greatly reduces, and uses simple, both can complete the production of high-quality string through simple training for operator.
It is therefore desirable to the high accuracy providing a kind of mode using digital control programming to realize number of different types different size string is wound around and the equipment of polishing.
Summary of the invention
The purpose of invention: in order to provide a kind of effect more preferable automatization string process units and method, specific purposes are shown in the multiple substantial technological effects being embodied as part.
In order to reach as above purpose, the present invention adopts the following technical scheme that:
Scheme one:
A kind of automatization string process units, it is characterized in that, comprise frame, work platforms is comprised in described frame, high-speed rotation device and the high-speed rotation device on right side in left side is comprised on described work platforms, the high-speed rotation device in described left side and each self-contained housing of the high-speed rotation device on right side, the high-speed rotation device in left side and the opposed facing part of high-speed rotation device on right side comprise hook and the hook on right side in left side, the hook on left side and hook and right side is each located on the end of a rotary shaft, rotary shaft is positioned at enclosure interior, rotary shaft power connects dynamic structure.
The further technical scheme of the present invention is, the high-speed rotation device avris in described left side comprises tensioning governor motion, also comprise guide rail, the high-speed rotation device in left side is positioned on guide rail, the high-speed rotation device in left side can move left and right along guide rail, the i.e. high-speed rotation device in left side can carry out position adjustment according to different string length, described tensioning adjustment structure comprises the cylinder axis of cylinder and cylinder head portions, the pedestal of the high-speed rotation bottom of device on the left of cylinder axis connection, pedestal can move left and right along guide rail, pedestal can change the distance between two hooks during moving left and right.
The further technical scheme of the present invention is, also comprise wire feeder, described wire feeder comprises bobbin and fixes seat and bobbin pre-tightening apparatus, the bobbin of circle silk or flat filament is arranged on bobbin and fixes on seat, bobbin is fixed seat and is installed on a mobile platform and can move along with mobile platform, described mobile platform part comprises drive mechanism, and drive mechanism can drive mobile platform to move left and right, and movable part and standing part collectively form mobile load transmission platform.
The further technical scheme of the present invention is, also comprises bobbin pre-tightening apparatus, and bobbin pre-tightening apparatus is installed in the side of bobbin, and bobbin pre-tightening apparatus is spring, and spring one end is fixed on the end of bobbin and can rotate with bobbin.
The further technical scheme of the present invention is, also comprise wire device, wire device comprises pre-air cylinder and slideway, described pre-air cylinder and slideway constitute parcel chamber, circle silk or flat filament can export on heart yearn with wrapped chamber, and described pre-air cylinder is upwardly disposed, and upwardly disposed cylinder axis end comprises roller mounting structure, comprising the conduit around roller one circle part on roller mounting structure and be slideway, silk can be arranged through slideway.
The further technical scheme of the present invention is, the movable part of described mobile loading section is further fixed on sanding apparatus, and sanding apparatus stretches out buffed surface, and buffed surface can be polished the string between two hooks.
Scheme two:
A kind of automatization string production method, it is characterised in that utilize as above the most described device, comprise the steps of:
Comprise the steps of: heart yearn high-speed rotation device can fix product heart yearn by its both sides hook, drives heart yearn high speed rotary motion, and this motion is wound around the main motion of string;The movable part of mobile loading section can move back and forth along rack level direction, this motion is assisted movement, freely draw on circle silk or the flat filament wire device through being fixed on movable part, stable helical wound can be exported by main motion and auxiliomotor hybrid motion to tie, it is possible to ensure the concordance of whole string sound quality.
Use the present invention of as above technical scheme, have the advantages that relative to prior art:
The string spooling equipment of the present invention not only meets the needs that a kind of length string produces, and completes being automatically adjusted of plurality of specifications string by tightening regulator, and structure is relatively easy, debugging maintenance facilitates, it is to avoid the development cost of multiple devices.
Further, polishing function can carry out the sanding operation of multiple different mode of self-defined multicycle after string is completely wound, from corase grind, fine grinding to polishing, once mounting completes the whole technical process of polishing, and its whole operating process all can complete according to the programmed instruction set.
Accompanying drawing explanation
In order to further illustrate the present invention, it is further illustrated below in conjunction with the accompanying drawings:
Fig. 1 represents automatization's string coiling of the present invention and the shaft side figure of grinding apparatus;
Fig. 2 represents automatization's string coiling of the present invention and the work surface front view of grinding apparatus;
Fig. 3 represents automatization's string coiling of the present invention and the front view of grinding apparatus;
Fig. 4 represents automatization's string coiling of the present invention and the top view of grinding apparatus;
Wherein: 1, frame;2, work platforms;3, heart yearn high-speed rotation device;4, load platform is moved;401, standing part;402, movable part;5, wire device;6, tensioning governor motion;7, wire feeder;8, control system;9, UI interface;10, control area;501, pre-air cylinder;502, slideway;701, bobbin fixes seat;702, bobbin pre-tightening apparatus;11, bobbin;301, the high-speed rotation device in left side;302, the high-speed rotation device on right side;3011, the hook in left side;3012, the hook on right side.
Detailed description of the invention
Illustrating embodiments of the invention below in conjunction with the accompanying drawings, embodiment is not construed as limiting the invention:
A kind of automatization string process units, it is characterized in that, comprise frame, work platforms is comprised in described frame, high-speed rotation device and the high-speed rotation device on right side in left side is comprised on described work platforms, the high-speed rotation device in described left side and each self-contained housing of the high-speed rotation device on right side, the high-speed rotation device in left side and the opposed facing part of high-speed rotation device on right side comprise hook and the hook on right side in left side, the hook on left side and hook and right side is each located on the end of a rotary shaft, rotary shaft is positioned at enclosure interior, rotary shaft power connects dynamic structure.Technique effect and the process that realizes thereof of the essence that the technical scheme at this place is played are as follows: hung over by heart yearn between left side and hook and the hook on right side, owing to the high-speed rotation device in left side and the high-speed rotation device on right side each can rotate, therefore can be automatically around string.
The high-speed rotation device avris in described left side comprises tensioning governor motion, also comprise guide rail, the high-speed rotation device in left side is positioned on guide rail, the high-speed rotation device in left side can move left and right along guide rail, the i.e. high-speed rotation device in left side can carry out position adjustment according to different string length, described tensioning adjustment structure comprises the cylinder axis of cylinder and cylinder head portions, the pedestal of the high-speed rotation bottom of device on the left of cylinder axis connection, pedestal can move left and right along guide rail, and pedestal can change the distance between two hooks during moving left and right.Technique effect and the process that realizes thereof of the essence that the technical scheme at this place is played are as follows: by moving left and right, and first is the tensioning situation that can adjust string, and second is to adjust distance therebetween, to adapt to the string of different length.Tensioning adjustment structure can be cylinder, it is also possible to being the similar various frame for movements that push-and-pull is moved that are capable of, similar realizes structure all in the protection domain of this patent.
Also comprise wire feeder, described wire feeder comprises bobbin and fixes seat and bobbin pre-tightening apparatus, the bobbin of circle silk or flat filament is arranged on bobbin and fixes on seat, bobbin is fixed seat and is arranged on movable part again and can move along with movable part, described movable part comprises drive mechanism, mobile platform can be driven to move left and right by Timing Belt, movable part and standing part collectively form mobile load transmission platform.It should be noted that the similar frame for movement that can realize side-to-side movement is all in the protection domain of this patent, such as, sprocket wheel, belt, push-pull shaft and screw rod sliding assembly etc..
Technique effect and the process that realizes thereof of the essence that the technical scheme at this place is played are as follows: heart yearn high-speed rotation device can fix product heart yearn by its both sides hook, drives heart yearn high speed rotary motion, and this motion is wound around the main motion of string;The movable part of mobile loading section can move back and forth along rack level direction, this motion is assisted movement, freely draw on circle silk or the flat filament wire device through being fixed on movable part, stable helical wound can be exported by main motion and auxiliomotor hybrid motion to tie, it is possible to ensure the concordance of the sound quality of whole string.
Also comprising bobbin pre-tightening apparatus, bobbin pre-tightening apparatus is installed in the side of bobbin, and bobbin pre-tightening apparatus is spring, and spring one end is fixed on the end of bobbin and can rotate with bobbin.Technique effect and the process that realizes thereof of the essence that the technical scheme at this place is played are as follows: bobbin pre-tightening apparatus enables to bobbin and is pre-compacted, without excessively loosening.
Also comprise wire device, wire device comprises pre-air cylinder and slideway, described pre-air cylinder and slideway constitute parcel chamber, circle silk or flat filament can export on heart yearn with wrapped chamber, described pre-air cylinder is upwardly disposed, upwardly disposed cylinder axis end comprises roller mounting structure, roller mounting structure comprises the conduit around roller one circle part and is slideway, and silk can be arranged through slideway.Technique effect and the process that realizes thereof of the essence that the technical scheme at this place is played are as follows: pre-air cylinder can adjust the position of slideway, and slideway can guide heart yearn simultaneously.Being further fixed on sanding apparatus on the movable part of described mobile loading section, sanding apparatus stretches out buffed surface, and buffed surface can be polished the string between two hooks.
In a creative way, each effect above is individually present, moreover it is possible to complete the combination of the above results with a nested structure.
According to one aspect of the present invention, it is provided that a kind of automatization's string coiling and grinding apparatus, including: frame 1;Work platforms 2 thereon;The heart yearn high-speed rotation device 3 of both sides;Mobile load platform 4, including standing part 401, movable part 402, and wire device thereon 5;Tensioning governor motion 6;Wire feeder 7;Control system 8;UI interface 9;Control area 10;Bobbin 11.
Heart yearn high-speed rotation device 3 includes high-speed rotation device 301 and the high-speed rotation device 302 on right side in left side;Having side in heart yearn high-speed rotation device 3 is removable adjusted design, can complete to process the regulation of different length string by the mobile regulation of side, the auto-tensioning to string can also be completed simultaneously, its action is completed by tensioning governor motion 6, the base portion of the moveable heart yearn high-speed rotation device 3 of side is connected with tensioning governor motion, and tensioning governor motion is capable of the locking of operating position simultaneously;Link position can change, and housing can connect, and base portion can also connect.
The mobile load platform 4 being fixedly mounted on work platforms 2, load sliding platform comprises standing part 401 and movable part 402, described standing part 401 is fixed on work platforms 2, movable part 402 is connected with described wire device 5 and wire feeder 7 respectively, and wire device 5 and wire feeder 7 are fixed on movable part 402;
Wire device 5, including: pre-air cylinder 501 and slideway 502, described pre-air cylinder 501 and slideway 502 constitute parcel chamber, and circle silk or flat filament can export on heart yearn with wrapped chamber;
Wire feeder 7, including: bobbin fixes seat 701 and bobbin pre-tightening apparatus 702, and the bobbin 11 of circle silk or flat filament is arranged on bobbin and fixes seat 701, and bobbin is fixed seat 701 and is arranged on load sliding platform 402 again, bobbin pre-tightening apparatus 702 is installed in the side of bobbin 11, rotates with bobbin 11.
So, heart yearn high-speed rotation device 3 of the present invention can fix product heart yearn (steel wire) by its both sides hook, drives heart yearn high speed rotary motion, and this motion is wound around the main motion of string;The movable part 402 of load sliding platform 4 can move back and forth along rack level direction, this motion is assisted movement, circle silk or the flat filament wire device 5 through being fixed on movable part 402 are freely drawn, stable helical wound can be exported by main motion and auxiliomotor automatic motor control combination algorithm to tie, it is ensured that the concordance of the sound quality of whole string
Corresponding sanding apparatus 12 can also be fixed on the movable part 402 of described sliding platform 4, be possible not only to realize the automatic winding of string, it is also possible to realize automatically grinding.
As preferably, the respective speed of heart yearn high-speed rotation device 3 of both sides can adjust, rotate backward can synchronized can not also be synchronized, it is achieved more precise control and realization.
Part details not shown in figure.Generally speaking: the invention provides a kind of automatization's string coiling and grinding apparatus, including frame, and work platforms thereon;Heart yearn high-speed rotation device;Mobile load platform, and wire device thereon;Tensioning governor motion;Wire feeder;Control system;UI interface and control area.Automatization's string coiling of the present invention and grinding apparatus not only achieve the semi-automatic of string and are wound around processing, and use the mode of digital control programming to achieve the high accuracy processing of number of different types different size string, different technology patterns can be exported for different strings, a tractor serves several purposes, compare original false twist's cooked mode improve working (machining) efficiency and obtain reliable technological quality, the function of automatically grinding can be saved manpower and avoid the problems such as quality is out of control produced because of manual work fatigue, equipment overall structure is simple, and debugging maintenance is convenient.
It should be noted that multiple schemes that this patent provides comprise the basic scheme of itself, separate, the most mutually restrict, but it can also be mutually combined in the case of not conflicting, reach multiple effect and jointly realize.
The ultimate principle of the present invention, principal character and advantages of the present invention have more than been shown and described.Those skilled in the art is it should be recognized that the present invention is not restricted to the described embodiments; the principle that the present invention is simply described described in above-described embodiment and description; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements both fall within claimed scope.
Claims (7)
1. automatization's string process units, it is characterized in that, comprise frame, work platforms is comprised in described frame, high-speed rotation device and the high-speed rotation device on right side in left side is comprised on described work platforms, the high-speed rotation device in described left side and each self-contained housing of the high-speed rotation device on right side, the high-speed rotation device in left side and the opposed facing part of high-speed rotation device on right side comprise hook and the hook on right side in left side, the hook on left side and hook and right side is each located on the end of a rotary shaft, rotary shaft is positioned at enclosure interior, rotary shaft power connects dynamic structure.
2. a kind of automatization as claimed in claim 1 string process units, it is characterized in that, the high-speed rotation device avris in described left side comprises tensioning governor motion, also comprise guide rail, the high-speed rotation device in left side is positioned on guide rail, the high-speed rotation device in left side can move left and right along guide rail, the i.e. high-speed rotation device in left side can carry out position adjustment according to different string length, described tensioning adjustment structure comprises the cylinder axis of cylinder and cylinder head portions, the pedestal of the high-speed rotation bottom of device on the left of cylinder axis connection, pedestal can move left and right along guide rail, pedestal can change the distance between two hooks during moving left and right.
3. a kind of automatization as claimed in claim 1 string process units, it is characterized in that, also comprise wire feeder, described wire feeder comprises bobbin and fixes seat and bobbin pre-tightening apparatus, the bobbin of circle silk or flat filament is arranged on bobbin and fixes on seat, and bobbin is fixed seat and installed on a mobile platform and can move along with mobile platform, and described mobile platform part comprises drive mechanism, drive mechanism can drive mobile platform to move left and right, and movable part and standing part collectively form mobile load transmission platform.
4. a kind of automatization as claimed in claim 3 string process units, it is characterized in that, also comprise bobbin pre-tightening apparatus, bobbin pre-tightening apparatus is installed in the side of bobbin, bobbin pre-tightening apparatus is spring, and spring one end is fixed on the end of bobbin and can rotate with bobbin.
5. a kind of automatization as claimed in claim 3 string process units, it is characterized in that, also comprise wire device, wire device comprises pre-air cylinder and slideway, described pre-air cylinder and slideway and constitutes parcel chamber, and circle silk or flat filament can export on heart yearn with wrapped chamber, described pre-air cylinder is upwardly disposed, upwardly disposed cylinder axis end comprises roller mounting structure, roller mounting structure comprises the conduit around roller one circle part and is slideway, and silk can be arranged through slideway.
6. automatization as claimed in claim 3 a kind of string process units, it is characterised in that being further fixed on sanding apparatus on the movable part of described mobile loading section, sanding apparatus stretches out buffed surface, buffed surface can be polished the string between two hooks.
7. automatization's string production method, it is characterized in that, utilize the device that claim 1-6 is arbitrarily described, comprise the steps of: heart yearn high-speed rotation device can fix product heart yearn by its both sides hook, driving heart yearn high speed rotary motion, this motion is wound around the main motion of string;The movable part of mobile loading section can move back and forth along rack level direction, this motion is assisted movement, freely draw on circle silk or the flat filament wire device through being fixed on movable part, stable helical wound can be exported by main motion and auxiliomotor hybrid motion to tie, it is possible to ensure the concordance of whole string sound quality.
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CN201610421661.0A CN105957500A (en) | 2016-06-16 | 2016-06-16 | Automated string production device and method |
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CN201610421661.0A CN105957500A (en) | 2016-06-16 | 2016-06-16 | Automated string production device and method |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107127275A (en) * | 2017-06-14 | 2017-09-05 | 北京星海福音琴业有限公司 | A kind of automatic string wrapping machine |
CN109650153A (en) * | 2019-01-22 | 2019-04-19 | 林巧智 | A kind of numerical control is around string frame |
CN110271922A (en) * | 2019-05-31 | 2019-09-24 | 宁波市北仑乐器配件制造有限公司 | A kind of automatic kinking machine |
CN112150986A (en) * | 2020-10-19 | 2020-12-29 | 宁波四海琴业有限公司 | Piano string winding device |
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CN101231840A (en) * | 2008-02-03 | 2008-07-30 | 广州珠江钢琴集团有限公司 | Piano automatic chord wrapping machine |
CN201289732Y (en) * | 2008-09-26 | 2009-08-12 | 广州市罗曼士乐器制造有限公司 | Machine for automatically enwinding and arranging music wire |
CN205722755U (en) * | 2016-06-16 | 2016-11-23 | 北京佳诺通达科技发展有限公司 | A kind of automatization string process units |
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US6256872B1 (en) * | 1998-10-30 | 2001-07-10 | Jeffrey E. Landtroop | Guitar string manufacturing auto start winding process |
CN201004314Y (en) * | 2007-01-22 | 2008-01-09 | 广州市罗曼士乐器制造有限公司 | Automatic string winder |
CN101231840A (en) * | 2008-02-03 | 2008-07-30 | 广州珠江钢琴集团有限公司 | Piano automatic chord wrapping machine |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107127275A (en) * | 2017-06-14 | 2017-09-05 | 北京星海福音琴业有限公司 | A kind of automatic string wrapping machine |
CN107127275B (en) * | 2017-06-14 | 2019-02-26 | 北京星海福音琴业有限公司 | A kind of automatic string wrapping machine |
CN109650153A (en) * | 2019-01-22 | 2019-04-19 | 林巧智 | A kind of numerical control is around string frame |
CN110271922A (en) * | 2019-05-31 | 2019-09-24 | 宁波市北仑乐器配件制造有限公司 | A kind of automatic kinking machine |
CN112150986A (en) * | 2020-10-19 | 2020-12-29 | 宁波四海琴业有限公司 | Piano string winding device |
CN112150986B (en) * | 2020-10-19 | 2023-12-15 | 宁波四海琴业有限公司 | Piano string winding device |
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Application publication date: 20160921 |