Measuring tool for processing string wire rod

Abstract

The utility model relates to the field of measuring tools, in particular to a measuring tool for processing strings and wires, which comprises a bottom plate. A bearing plate is fixedly connected to the upper end of the bottom plate. According to the utility model, a string passes through a hole in one vertical block and a second measuring assembly and then passes through a hole in the other vertical block, then two first electric cylinders are started to enable two clamping blocks to be close to each other to extrude and fix the string, and a second sliding block can slide left and right on the inner wall of a sliding rail. Then, a measuring block penetrates through the inner wall of the measuring frame and the bearing frame to be placed on the string, a second camera is started to irradiate a third scale groove, the up-and-down movement condition of a through hole relative to the third scale groove is observed, if no fluctuation exists, it is indicated that the outer diameters of the string are consistent, and multi-point measurement of the outer wall of the string is facilitated; the problems that a measuring tool is usually difficult to measure the rapid straightening of a string and the rapid measurement of the diameters of different positions on the string is inconvenient are solved.

Description

Technical Field

[0001] The utility model belongs to the field of measuring tools, and in particular relates to a measuring tool used for processing guitar string wires. Background Art

[0002] As a key component of the sound of an instrument, the quality and performance of the strings directly affect the timbre and playing effect of the instrument. In the production process of the strings, the processing of the wire is a crucial link. In order to ensure the accuracy, stability and sound quality of the strings, professional measuring tools are needed to accurately measure and process the wires.

[0003] At present, the traditional measurement method is usually to measure the thickness of the strings manually or using measuring tools such as calipers. By sampling and measuring the outer diameters of different thicknesses on a string, it is possible to detect whether the string is uniform. However, since the strings are easily bent and deformed, it is usually difficult for measuring tools to quickly straighten the strings for measurement, and it is not convenient to quickly measure the diameters at different positions on a string, which needs further improvement.

[0004] Therefore, a measuring tool for guitar string wire processing is proposed, which has a straightening mechanism and can quickly straighten the strings for measurement, so as to facilitate the rapid measurement of the diameters at different positions on a string. Utility Model Content

[0005] In order to overcome the problem that the strings are easily bent and deformed, it is usually difficult for measuring tools to quickly straighten the strings for measurement, and it is not convenient to quickly measure the diameters of different positions on a string.

[0006] The technical scheme of the utility model is: a measuring tool for processing musical string wire materials, comprising a bottom plate; a bearing plate is fixedly connected to the upper end of the bottom plate, a first scale groove is evenly distributed on one side of the bearing plate, the first scale groove runs through the upper and lower ends of the bearing plate, a slide rail is fixedly connected to the upper end of the bearing plate, a slide groove is opened at the upper end of the slide rail, two first measuring components and a second measuring component are slidably arranged on the inner wall of the slide groove, a column is fixedly connected to the upper end of the bottom plate, and a display screen is fixedly connected to the upper end of the column;

[0007] The first measuring assembly includes a first slider, a vertical block, a first electric cylinder and a clamping block; the first slider is slidably arranged on the inner wall of the slide groove, the vertical block is fixedly connected to the upper end of the first slider, two first electric cylinders facing each other are fixedly connected to the middle of one end of the vertical block away from the second measuring assembly, the clamping block is fixedly connected to the output shaft of the first electric cylinder, holes are penetrated at the left and right ends of the vertical block, and the two first electric cylinders are symmetrical with respect to the holes;

[0008] The second measuring component includes a second slider, a wire-passing block, a long column, a bearing block, a second electric cylinder, a bearing frame, a second camera, a measuring frame, a third scale groove, a measuring block and a through hole; a second slider is slidably arranged on the inner wall of the slide groove, a wire-passing block is fixedly connected to the upper end of the second slider, a groove is provided on the upper end of the wire-passing block, bearing blocks are fixedly connected to the inner walls on both sides of the groove, a second electric cylinder is fixedly connected to the upper end of the bearing block, the lower end of the output shaft of the second electric cylinder passes through the bearing block and is fixedly connected to the bearing frame, a second camera and a measuring frame are fixedly connected to the upper end of the bearing frame, the measuring frame is located on the left side of the second camera, and evenly distributed third scale grooves are penetrated through the left and right ends of the measuring frame, a measuring block is slidably arranged on the inner wall of the bearing frame, and the measuring block is slidably arranged on the inner wall of the measuring frame, and a plurality of through holes are penetrated through the middle of the left and right ends of the measuring block.

[0009] Preferably, when in use, the string is passed through the hole on one vertical block and the second measuring component, and then through the hole on the other vertical block, and then the two first electric cylinders are turned on to make the two clamping blocks approach each other to squeeze and fix the string, the second slider can slide left and right on the inner wall of the slide rail, and then the measuring block is passed through the inner wall of the measuring frame and the supporting frame and placed on the string, and the second camera is turned on to illuminate the third scale groove, and the up and down movement of the through hole relative to the third scale groove is observed. If there is no fluctuation, it indicates that the outer diameter of the string is consistent, which is convenient for measuring multiple points on the outer wall of the string, solving the problem that it is usually difficult for measuring tools to quickly straighten the string for measurement, and it is not convenient to quickly measure the diameters of different positions on a string.

[0010] Preferably, the first measuring component also includes an inclined block, a lower fixed block, a rotating arm, an upper fixed block, a first slot body, a second slot body, a scale plug plate, a second scale slot and a second illumination lamp; a rotating arm is hingedly connected to the upper part of one end of the vertical block close to the second measuring component, the lower end of the rotating arm is fixedly connected to the upper fixed block, the upper and lower ends of the upper fixed block are penetrated by the first slot body, a scale plug plate is slidably provided on the inner wall of the first slot body, evenly distributed second scale slots are penetrated on both sides of the scale plug plate, the second illumination lamp is fixedly connected to the upper part of the side wall of the scale plug plate, and the scale plug plate is made of plastic.

[0011] Preferably, an inclined block is fixedly connected to the lower part of one end of the vertical block close to the second measuring component, and a lower fixed block is fixedly connected to the upper end of the inclined block. A second groove body is penetrated through the upper and lower ends of the lower fixed block, and the inner wall of the second groove body is flush with the inner wall of the first groove body. The lower part of the side wall of the scale insert plate is slidably set on the inner wall of the second groove body.

[0012] Preferably, two positioning blocks are fixedly connected to the upper end of the slide rail, a bolt is threadedly installed on one side of the positioning block, and the bolt passes through the positioning block and the slide rail and is threadedly installed on the first sliding block.

[0013] Preferably, the central axes of the holes on the through-line block and the vertical block are collinear.

[0014] Preferably, a lighting assembly is provided on the supporting plate, and the lighting assembly includes a positioning block, a fixed column, a first camera, an inclined plate, a sliding block and a first lighting lamp; wherein the inner walls of the two first scale grooves are slidably provided with positioning blocks, the ends of the two positioning blocks close to each other are fixedly connected to the fixed column, the side walls of the fixed column are fixedly connected to the inclined plate, the upper end of the inclined plate is fixedly connected to two first cameras, the outer walls of the fixed column and the first camera are jointly slidably provided with sliding blocks, and the left and right ends of the sliding block are through-fixed with the first lighting lamps.

[0015] Preferably, the camera end of the first camera is arranged to be tilted upward, and the camera end of the first camera is directly opposite to the second scale groove.

[0016] Beneficial effects of the utility model:

[0017] 1. The string is passed through a hole on a vertical block and a second measuring component, and then through a hole on another vertical block, and then the two first electric cylinders are turned on to make the two clamping blocks approach each other to squeeze and fix the string. The second slider can slide left and right on the inner wall of the slide rail, and then the measuring block is placed on the string through the inner wall of the measuring frame and the bearing frame. The second camera is turned on to illuminate the third scale groove, and the up and down movement of the through hole relative to the third scale groove is observed. If there is no fluctuation, it indicates that the outer diameter of the string is consistent, which is convenient for measuring multiple points on the outer wall of the string, solving the problem that it is usually difficult for measuring tools to quickly straighten the string for measurement, and it is not convenient to quickly measure the diameters of different positions on a string;

[0018] 2. By sliding the sliding block along the outer wall of the inclined plate and the fixed column, the position of the first light can be easily moved. Turning on the first light can illuminate the clamped strings. Turning on the first camera to observe the scale on the second scale groove on the outer wall of the strings. Since there are two second scale grooves, it can be quickly determined whether the diameters of the strings at the two locations are the same. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 What is shown is a three-dimensional structural schematic diagram of a measuring tool for processing musical string wires of the utility model;

[0020] Figure 2 What is shown is a three-dimensional structural schematic diagram of a lighting component of a measuring tool for processing guitar strings and wires of the present invention;

[0021] Figure 3 What is shown is a three-dimensional structural schematic diagram of a first measuring component of a measuring tool for processing musical string wires of the utility model;

[0022] Figure 4 The three-dimensional structure schematic diagram of a scale plug plate of a measuring tool for processing musical string wire material of the utility model is shown;

[0023] Figure 5 The present invention shows a three-dimensional structure schematic diagram of a wire-passing block of a measuring tool for processing musical string wires;

[0024] Figure 6 The present invention shows a schematic diagram of a three-dimensional split structure of a measuring block and a measuring frame of a measuring tool for processing musical string wires;

[0025] Figure 7 What is shown is a three-dimensional structural schematic diagram of a positioning block of a measuring tool used for guitar string wire processing according to the present invention.

[0026] The marks in the attached drawings are: 1, bottom plate; 2, bearing plate; 3, first scale groove; 4, slide rail; 5, slide groove; 6, illumination assembly; 601, positioning plug block; 602, fixed column; 603, first camera; 604, inclined plate; 605, sliding block; 606, first illumination lamp; 7, first measuring assembly; 701, first slider; 702, vertical block; 703, first electric cylinder; 704, clamping block; 705, inclined block; 706, lower fixed block; 707, rotating arm; 708, upper fixed block; 709, first measuring assembly; 710, first measuring assembly; 711, first measuring assembly; 712, first measuring assembly; 713, first measuring assembly; 714, first measuring assembly; 715, first measuring assembly; 716, first measuring assembly; 717, first measuring assembly; 718, first measuring assembly; 719, first measuring assembly; 720, first measuring assembly; 721, first measuring assembly; 722, first measuring assembly; 723, first measuring assembly; 724, first measuring assembly; 725, first measuring assembly; 726, first measuring assembly; 727, first measuring assembly; 728, first measuring assembly; 729, first measuring assembly; 730, first measuring assembly; 731, first measuring assembly; 732, first measuring assembly; 733, first measuring assembly; 734, first measuring assembly; 735, first measuring assembly; 736, first measuring assembly; 737, first measuring assembly; 738, first measuring assembly; 739, first measuring assembly; 740, first measuring assembly; 741, first measuring assembly; 742, first measuring assembly; 743, first measuring assembly; 744, first measuring assembly; 745, first measuring assembly; 746, first measuring assembly 09. First slot body; 710. Second slot body; 711. Scale plate; 712. Second scale slot; 713. Second illumination lamp; 8. Second measuring assembly; 801. Second slider; 802. Through-line block; 803. Long column; 804. Support block; 805. Second electric cylinder; 806. Support frame; 807. Second camera; 808. Measuring frame; 809. Third scale slot; 810. Measuring block; 811. Through hole; 9. Column; 10. Display screen; 11. Positioning block; 12. Bolt. DETAILED DESCRIPTION

[0027] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0028] Example 1: Please refer to Figure 1-Figure 7 A measuring tool for processing musical string wires, comprising a bottom plate 1; a carrier plate 2 is fixedly connected to the upper end of the bottom plate 1, a first scale groove 3 evenly distributed is opened on one side of the carrier plate 2, the first scale groove 3 runs through the upper and lower ends of the carrier plate 2, a slide rail 4 is fixedly connected to the upper end of the carrier plate 2, a slide groove 5 is opened on the upper end of the slide rail 4, two first measuring components 7 and a second measuring component 8 are slidably arranged on the inner wall of the slide groove 5, a column 9 is fixedly connected to the upper end of the bottom plate 1, and a display screen 10 is fixedly connected to the upper end of the column 9;

[0029] The first measuring component 7 includes a first slider 701, a vertical block 702, a first electric cylinder 703 and a clamping block 704; the first slider 701 is slidably arranged on the inner wall of the slide groove 5, the vertical block 702 is fixedly connected to the upper end of the first slider 701, two first electric cylinders 703 arranged facing each other are fixedly connected to the middle of one end of the vertical block 702 away from the second measuring component 8, the clamping block 704 is fixedly connected to the output shaft of the first electric cylinder 703, holes are penetrated at the left and right ends of the vertical block 702, and the two first electric cylinders 703 are symmetrical with respect to the holes;

[0030] The second measuring assembly 8 includes a second slider 801, a wire block 802, a long column 803, a bearing block 804, a second electric cylinder 805, a bearing frame 806, a second camera 807, a measuring frame 808, a third scale groove 809, a measuring block 810 and a through hole 811; the inner wall of the slide groove 5 is slidably provided with a second slider 801, the upper end of the second slider 801 is fixedly connected to the wire block 802, the upper end of the wire block 802 is provided with a groove, the inner walls of both sides of the groove are fixedly connected to the bearing blocks 804, and the upper end of the bearing block 804 is fixedly connected to the second electric cylinder 8 05, the lower end of the output shaft of the second electric cylinder 805 passes through the supporting block 804 and is fixedly connected to the supporting frame 806, the upper end of the supporting frame 806 is fixedly connected to the second camera 807 and the measuring frame 808, the measuring frame 808 is located on the left side of the second camera 807, the left and right ends of the measuring frame 808 are penetrated by evenly distributed third scale grooves 809, the inner wall of the supporting frame 806 is slidably provided with a measuring block 810, the measuring block 810 is slidably provided on the inner wall of the measuring frame 808, and a plurality of through holes 811 are penetrated by the middle of the left and right ends of the measuring block 810.

[0031] When in use, the string is passed through the hole on one vertical block 702 and the second measuring component 8, and then through the hole on the other vertical block 702, and then the two first electric cylinders 703 are turned on to make the two clamping blocks 704 approach each other to squeeze and fix the string, the second slider 801 can slide left and right on the inner wall of the slide rail 4, and then the measuring block 810 is passed through the inner wall of the measuring frame 808 and the supporting frame 806 and placed on the string, and the second camera 807 is turned on to illuminate the third scale groove 809, and the up and down movement of the through hole 811 relative to the third scale groove 809 is observed. If there is no fluctuation, it indicates that the outer diameter of the string is consistent, which is convenient for measuring multiple points on the outer wall of the string.

[0032] See also Figure 3 and Figure 4In this embodiment, the first measuring assembly 7 further includes an inclined block 705, a lower fixed block 706, a rotating arm 707, an upper fixed block 708, a first slot 709, a second slot 710, a scale insert 711, a second scale slot 712, and a second illumination lamp 713; the upper end of the vertical block 702 close to the second measuring assembly 8 is hingedly connected to the rotating arm 707, the lower end of the rotating arm 707 is fixedly connected to the upper fixed block 708, and the upper and lower ends of the upper fixed block 708 are penetrated by openings The first slot body 709 has a scale plate 711 slidably disposed on the inner wall of the first slot body 709. Both sides of the scale plate 711 are penetrated by evenly distributed second scale grooves 712. The upper part of the side wall of the scale plate 711 is fixedly connected with a second illumination lamp 713. The scale plate 711 is made of plastic. Turning on the second illumination lamp 713 can illuminate the scale plate 711. By observing the scales of the strings on the second scale grooves 712, it can be known whether the diameters of the two strings are consistent.

[0033] See also Figure 3 and Figure 4 In this embodiment, an inclined block 705 is fixedly connected to the lower part of one end of the vertical block 702 close to the second measuring component 8, and a lower fixed block 706 is fixedly connected to the upper end of the inclined block 705. A second groove body 710 is penetrated through the upper and lower ends of the lower fixed block 706. The inner wall of the second groove body 710 is flush with the inner wall of the first groove body 709. The lower part of the side wall of the scale plug plate 711 is slidably set on the inner wall of the second groove body 710, and the lower part of the side wall of the scale plug plate 711 is placed on the inner wall of the second groove body 710, so that the scale plug plate 711 can be stably placed.

[0034] See also Figure 1 , Figure 3 and Figure 7 In this embodiment, two positioning blocks 11 are fixed to the upper end of the slide rail 4, and a bolt 12 is threadedly installed on one side of the positioning block 11. The bolt 12 passes through the positioning block 11 and the slide rail 4 and is threadedly installed on the first slider 701, which can conveniently fix the first slider 701 on the slide rail 4.

[0035] See also Figure 1 , Figure 3 and Figure 5 In this embodiment, the central axes of the holes on the wire block 802 and the vertical block 702 are collinear, which facilitates straightening the strings at the center of the vertical block 702 and the wire block 802 .

[0036] Example 2: Please refer to Figure 2On the basis of Example 1, the present application provides a technical solution: an illumination assembly 6 is provided on the carrier plate 2, and the illumination assembly 6 includes a positioning plug 601, a fixed column 602, a first camera 603, an inclined plate 604, a sliding block 605 and a first illumination lamp 606; wherein the inner walls of the two first scale grooves 3 are slidably provided with positioning plugs 601, one end of the two positioning plugs 601 close to each other is fixedly connected with a fixed column 602, a side wall of the fixed column 602 is fixedly connected with an inclined plate 604, and two first cameras 603 are fixedly connected to the upper end of the inclined plate 604, and the outer walls of the fixed column 602 and the first camera 603 are slidably provided with a sliding block 605, and the left and right ends of the sliding block 605 are through-fixed with the first illumination lamp 606, and the sliding block 605 is slid along the outer walls of the inclined plate 604 and the fixed column 602, so as to facilitate the movement of the position of the first illumination lamp 606, and turning on the first illumination lamp 606 can illuminate the clamped strings.

[0037] See also Figure 1 , Figure 2 and Figure 4 In this embodiment, the camera end of the first camera 603 is tilted upward, and the camera end of the first camera 603 is facing the second scale groove 712. The first camera 603 is turned on to observe the scale of the outer wall of the string on the second scale groove 712. Since there are two second scale grooves 712, it can be quickly determined whether the diameters of the strings at the two locations are the same.

[0038] Working principle: First, the bolt 12 is passed through the positioning block 11 and the slide rail 4 and threadedly installed on the first slider 701, so that the first slider 701 can be fixed on the slide rail 4;

[0039] Then, the string is passed through the hole on one vertical block 702 and the second measuring assembly 8, and then through the hole on the other vertical block 702, and then the two first electric cylinders 703 are turned on to make the two clamping blocks 704 approach each other to squeeze and fix the string, the second slider 801 can slide left and right on the inner wall of the slide rail 4, and then the measuring block 810 is passed through the inner wall of the measuring frame 808 and the bearing frame 806 and placed on the string;

[0040] The second camera 807 is turned on to illuminate the third scale groove 809, and the up and down movement of the through hole 811 relative to the third scale groove 809 is observed. If there is no fluctuation, it indicates that the outer diameter of the string is consistent, which is convenient for multi-point measurement of the diameter of the string;

[0041] The scale plate 711 is placed on the inner wall of the first slot 709, and the second illumination lamp 713 is turned on to illuminate the scale plate 711. By observing the scale of the string on the second scale groove 712, it can be known whether the diameters of the two strings are the same. The first camera 603 is turned on to observe the scale of the second scale groove 712 on the outer wall of the string. Since there are two second scale grooves 712, it can be quickly determined whether the diameters of the two strings are the same.

[0042] It should be noted that the images recorded by the camera are all displayed on the display screen 10 to facilitate manual observation.

[0043] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of those skilled in the art without departing from the purpose of the present invention.

Claims

1. A measuring tool for processing musical string wires, comprising a bottom plate (1); characterized in that: The upper end of the bottom plate (1) is fixedly connected to a carrier plate (2), one side of the carrier plate (2) is provided with evenly distributed first scale grooves (3), the first scale grooves (3) run through the upper and lower ends of the carrier plate (2), the upper end of the carrier plate (2) is fixedly connected to a slide rail (4), the upper end of the slide rail (4) is provided with a slide groove (5), the inner wall of the slide groove (5) is slidably provided with two first measuring components (7) and a second measuring component (8), the upper end of the bottom plate (1) is fixedly connected to a column (9), the upper end of the column (9) is fixedly connected to a display screen (10); The first measuring component (7) comprises a first sliding block (701), a vertical block (702), a first electric cylinder (703) and a clamping block (704); the first sliding block (701) is slidably arranged on the inner wall of the slide groove (5); the vertical block (702) is fixedly connected to the upper end of the first sliding block (701); two first electric cylinders (703) arranged facing each other are fixedly connected to the middle of one end of the vertical block (702) away from the second measuring component (8); the clamping block (704) is fixedly connected to the output shaft of the first electric cylinder (703); holes are formed through the left and right ends of the vertical block (702); and the two first electric cylinders (703) are symmetrical with respect to the holes; The second measuring assembly (8) comprises a second slider (801), a wire block (802), a long column (803), a bearing block (804), a second electric cylinder (805), a bearing frame (806), a second camera (807), a measuring frame (808), a third scale groove (809), a measuring block (810) and a through hole (811); the inner wall of the slide groove (5) is slidably provided with a second slider (801), the upper end of the second slider (801) is fixedly connected to the wire block (802), the upper end of the wire block (802) is provided with a groove, the inner walls of both sides of the groove are fixedly connected to the bearing blocks (804), the upper end of the bearing block (804) is fixedly connected to the second electric cylinder (805), and the inner wall of the second slider (805) is fixedly connected to the bearing blocks (804). The second electric cylinder (805) is a cylinder, the lower end of the output shaft of the second electric cylinder (805) passes through the bearing block (804) and is fixedly connected to the bearing frame (806), the upper end of the bearing frame (806) is fixedly connected to the second camera (807) and the measuring frame (808), the measuring frame (808) is located on the left side of the second camera (807), the left and right ends of the measuring frame (808) are penetrated by evenly distributed third scale grooves (809), the inner wall of the bearing frame (806) is slidably provided with a measuring block (810), the measuring block (810) is slidably provided on the inner wall of the measuring frame (808), and a plurality of through holes (811) are penetrated by the middle of the left and right ends of the measuring block (810).

2. The measuring tool for processing musical string wires according to claim 1, characterized in that: The first measuring assembly (7) further comprises an inclined block (705), a lower fixed block (706), a rotating arm (707), an upper fixed block (708), a first slot body (709), a second slot body (710), a scale insert plate (711), a second scale groove (712) and a second illumination lamp (713); the upper portion of one end of the vertical block (702) close to the second measuring assembly (8) is hingedly connected to the rotating arm (707); the lower end of the rotating arm (707) is fixedly connected to the upper fixed block (708); the first slot body (709) is penetrated at the upper and lower ends of the upper fixed block (708); the scale insert plate (711) is slidably provided on the inner wall of the first slot body (709); the second scale grooves (712) are evenly distributed on both sides of the scale insert plate (711); the second illumination lamp (713) is fixedly connected to the upper portion of the side wall of the scale insert plate (711); and the scale insert plate (711) is made of plastic.

3. The measuring tool for processing musical string wires according to claim 2, characterized in that: An inclined block (705) is fixedly connected to the lower part of one end of the vertical block (702) close to the second measuring component (8), and a lower fixed block (706) is fixedly connected to the upper end of the inclined block (705). A second groove body (710) is penetrated through the upper and lower ends of the lower fixed block (706), and the inner wall of the second groove body (710) is flush with the inner wall of the first groove body (709). The lower part of the side wall of the scale insert plate (711) is slidably arranged on the inner wall of the second groove body (710).

4. The measuring tool for processing musical string wires according to claim 1, characterized in that: Two positioning blocks (11) are fixedly connected to the upper end of the slide rail (4), a bolt (12) is threadedly mounted on one side of the positioning block (11), and the bolt (12) passes through the positioning block (11) and the slide rail (4) and is threadedly mounted on the first sliding block (701).

5. The measuring tool for processing musical string wires according to claim 1, characterized in that: The central axes of the holes on the through-line block (802) and the vertical block (702) are collinear.

6. The measuring tool for processing musical string wires according to claim 1, characterized in that: A lighting assembly (6) is provided on the carrier plate (2), and the lighting assembly (6) comprises a positioning plug (601), a fixed column (602), a first camera (603), an inclined plate (604), a sliding block (605) and a first lighting lamp (606); wherein the inner walls of the two first scale grooves (3) are slidably provided with positioning plugs (601), the ends of the two positioning plugs (601) close to each other are fixedly connected to the fixing column (602), the side walls of the fixing column (602) are fixedly connected to the inclined plate (604), the upper end of the inclined plate (604) is fixedly connected to the two first cameras (603), the outer walls of the fixing column (602) and the first camera (603) are jointly slidably provided with a sliding block (605), and the left and right ends of the sliding block (605) are through-connected with the first lighting lamp (606).

7. The measuring tool for processing musical string wires according to claim 1, characterized in that: The camera end of the first camera (603) is arranged to tilt upwards, and the camera end of the first camera (603) is directly facing the second scale groove (712).

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