Guitar bridge shape trimming machine

Abstract

The utility model discloses a guitar bridge shape trimming machine which comprises a three-axis workbench, a trimming head, a positioning die, a vacuum generator and a control system. The finishing head is installed on a three-axis moving module of the three-axis workbench, and the positioning die is installed in a die groove of the three-axis workbench through a sealing ring. Two positioning cylinders in the vertical direction are arranged at the bottom of the mold groove, and the upper ends of the positioning cylinders penetrate through round holes in the positioning mold and are connected with positioning blind holes in the lower side of the bridge; the vacuum generator is fixedly installed on a platform of the three-axis workbench and communicated with the mold groove through a pipeline. Through mold positioning and precise finishing, the size precision of the bridge is improved. According to the utility model, the positioning die is matched with the bridge, and only the sealing grooves matched with the bridge in shape and size need to be processed on the positioning die for the bridges with different shapes and sizes, so that the adaptability of the device to the processing of various bridges is improved, and the processing efficiency is also improved at the same time.

Description

Technical Field

[0001] The utility model relates to the technical field of guitar processing, in particular to a guitar bridge shape trimming machine. Background Art

[0002] In the past, the size requirements for guitar bridges were not high, and purchased bridges could generally be directly installed in the guitar bridge mounting slots. As the structure of guitars becomes more and more sophisticated, the size requirements for each component of the guitar are becoming more and more stringent. Therefore, the size of purchased bridges can no longer be precisely matched with the guitar bridge mounting slots. Therefore, the appearance of the bridge needs to be trimmed to meet the size requirements of the bridge mounting slots.

[0003] Since musical instrument bridges come in various shapes and sizes and are produced in large batches, manual trimming alone is difficult to meet the dimensional accuracy requirements, let alone the requirements for batch trimming. Utility Model Content

[0004] In view of the above problems existing in the prior art, the utility model proposes a guitar bridge shape trimming machine which can improve production efficiency and trimming accuracy.

[0005] To achieve the above purpose, the utility model adopts the following technical scheme: a guitar bridge shape trimming machine, including a three-axis workbench, a trimming head, a positioning mold, a vacuum generator and a control system; the trimming head is installed on the three-axis moving module of the three-axis workbench, and the positioning mold is installed in the mold groove of the three-axis workbench through a sealing ring; two vertical positioning cylinders are arranged at the bottom of the mold groove, and the upper ends of the positioning cylinders pass through the circular holes on the positioning mold and are connected with the positioning blind holes on the lower side of the bridge; the vacuum generator is fixedly installed on the platform of the three-axis workbench and is connected with the mold groove through a pipeline; the control system is respectively connected with the three-axis moving module, the vacuum generator and the trimming head through control lines.

[0006] Furthermore, the tool of the dressing head is a milling cutter.

[0007] Furthermore, there are four mold grooves arranged in a rectangular shape on the platform; the four mold grooves have the same structure; the mold groove is a stepped rectangular groove, and the upper size of the rectangular groove matches the size of the positioning mold; a rectangular sealing ring is provided on the step of the rectangular groove;

[0008] The positioning mold is rectangular on all sides, with a sealing groove opened on the top and a sealing strip placed thereon, the plane shape of the sealing groove matches the plane shape of the bridge; two circular holes are arranged on the positioning mold, the centers of the circular holes are coaxial with the centers of the positioning cylinders; the inner diameter of the circular holes is larger than the outer diameter of the positioning cylinder.

[0009] Furthermore, there are two vacuum generators, which are respectively installed on the left and right sides of the platform, and each vacuum generator is connected to two mold grooves on the same side.

[0010] Furthermore, there are two trimming heads, which are installed side by side on the three-axis moving module; the distance between the vertical axes of the two trimming heads is equal to the distance between the center lines of the left and right mold grooves.

[0011] Furthermore, the three-axis moving module includes a door-shaped frame, a slide plate and a mounting plate. The door-shaped frame is slidably connected to the platform and moves along the front and rear directions of the platform; the slide plate is slidably connected to the crossbeam of the door-shaped frame and moves along the left and right directions of the crossbeam; the mounting plate is slidably connected to the slide plate and moves along the up and down directions of the slide plate; the trimming head is fixedly mounted on the mounting plate.

[0012] Furthermore, the door-shaped frame is slidably connected to the platform through a screw nut structure A, and the screw nut structure A is connected to a front-to-back servo motor, and the front-to-back servo motor is fixedly mounted on the platform; the slide plate is slidably connected to the crossbeam through a screw nut structure B, and the screw nut structure B is connected to a left-right servo motor, and the left-right servo motor is fixedly mounted on the crossbeam; the mounting plate is slidably connected to the slide plate through a screw nut structure C, and the screw nut structure C is connected to an up-down servo motor, and the up-down servo motor is fixedly mounted on the slide plate. Furthermore, the structure of the entire device is bilaterally symmetrical.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0014] 1. The utility model improves the dimensional accuracy of the piano bridge through mold positioning and precise trimming.

[0015] 2. The utility model cooperates with the bridge through the positioning mold. For bridges of different shapes and sizes, it is only necessary to process the sealing groove matching the shape and size of the bridge on the positioning mold, which increases the adaptability of the device to various bridge processing and also improves the processing efficiency.

[0016] 3. The utility model can install four bridges at one time and perform appearance trimming on two bridges at the same time, thus greatly improving processing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 for Figure 1 Side view of

[0019] Figure 3 for Figure 1 Top view of the .

[0020] Figure 4 This is a schematic diagram of the positioning mold.

[0021] In the figure: 1. platform, 2. door-shaped frame, 3. trimming head, 4. mounting plate, 5. slide plate, 6. vacuum generator, 7. positioning mold, 8. bridge, 9. round hole, 10. sealing groove. DETAILED DESCRIPTION

[0022] The utility model is further described below in conjunction with the accompanying drawings.

[0023] like Figure 1-4 As shown, a guitar bridge shape trimming machine comprises a three-axis workbench, a trimming head 3, a positioning mold 7, a vacuum generator 6 and a control system; the trimming head 3 is mounted on the three-axis moving module of the three-axis workbench, and the positioning mold 7 is mounted in the mold groove of the three-axis workbench through a sealing ring; two vertical positioning cylinders are arranged at the bottom of the mold groove, and the upper ends of the positioning cylinders pass through the circular holes 9 on the positioning mold 7 and are connected with the positioning blind holes on the lower side of the bridge 8; the vacuum generator 6 is fixedly mounted on the platform 1 of the three-axis workbench and is connected with the mold groove through a pipeline; the control system is respectively connected with the three-axis moving module, the vacuum generator 6 and the trimming head 3 through control lines.

[0024] Furthermore, the tool of the trimming head 3 is a milling cutter.

[0025] Furthermore, there are four mold grooves arranged in a rectangular shape on the platform 1; the four mold grooves have the same structure; the mold groove is a stepped rectangular groove, and the upper size of the rectangular groove matches the size of the positioning mold 7; a rectangular sealing ring is provided on the step of the rectangular groove;

[0026] The positioning mold 7 is rectangular in shape all around, with a sealing groove 10 opened on the top and a sealing strip placed thereon, the plan shape of the sealing groove 10 matches the plan shape of the bridge 8; two circular holes 9 are arranged on the positioning mold 7, the centers of the circular holes 9 are coaxial with the centers of the positioning cylinders; the inner diameter of the circular hole 9 is larger than the outer diameter of the positioning cylinder.

[0027] Furthermore, there are two vacuum generators 6, which are respectively installed on the left and right sides of the platform 1, and each vacuum generator 6 is connected to two mold grooves on the same side.

[0028] Furthermore, there are two trimming heads 3, which are installed side by side on the three-axis moving module; the distance between the vertical axes of the two trimming heads 3 is equal to the distance between the center lines of the left and right mold grooves.

[0029] Furthermore, the three-axis moving module includes a door-shaped frame 2, a slide plate 5 and a mounting plate 4, the door-shaped frame 2 is slidably connected to the platform 1 and moves along the front and rear directions of the platform 1; the slide plate 5 is slidably connected to the crossbeam of the door-shaped frame 2 and moves along the left and right directions of the crossbeam; the mounting plate 4 is slidably connected to the slide plate 5 and moves along the up and down directions of the slide plate 5; the trimming head 3 is fixedly mounted on the mounting plate 4.

[0030] Furthermore, the door-shaped frame 2 is slidably connected to the platform 1 through a screw nut structure A, and the screw nut structure A is connected to the front and rear direction servo motor, and the front and rear direction servo motor is fixedly installed on the platform 1; the skateboard 5 is slidably connected to the crossbeam through a screw nut structure B, and the screw nut structure B is connected to the left and right direction servo motor, and the left and right direction servo motor is fixedly installed on the crossbeam; the mounting plate 4 is slidably connected to the skateboard 5 through a screw nut structure C, and the screw nut structure C is connected to the up and down direction servo motor, and the up and down direction servo motor is fixedly installed on the skateboard 5.

[0031] Furthermore, the structure of the entire device is bilaterally symmetrical.

[0032] The working method of the utility model comprises the following steps:

[0033] A. Place the rectangular sealing ring on the step of the mold groove;

[0034] B. Place the positioning mold 7 on the rectangular sealing ring so that the positioning cylinder passes through the circular hole 9;

[0035] C. Place the sealing strip in the sealing groove 10 on the positioning mold 7;

[0036] D. placing the bridge 8 on the sealing strip of the positioning mold 7, and connecting the positioning blind hole of the bridge 8 with the positioning cylinder;

[0037] E. Start the vacuum generator 6 to evacuate the cavity between the mold groove and the bridge 8, and tightly adsorb the bridge 8 onto the positioning mold 7;

[0038] F. Open the trimming head 3 to trim the appearance of the bridge 8. Two trimming heads 3 can trim the two bridges 8 in the front row or the back row at the same time.

[0039] The up, down, left, right, front and back directions of this utility model are only for Figure 1 , does not constitute any limitation to the present utility model.

[0040] The present invention is not limited to the present embodiment, and any equivalent concepts or changes within the technical scope disclosed in the present invention are included in the protection scope of the present invention.

Claims

1. A guitar bridge shape trimming machine, characterized in that: The invention comprises a three-axis workbench, a trimming head (3), a positioning mold (7), a vacuum generator (6) and a control system; the trimming head (3) is mounted on a three-axis moving module of the three-axis workbench, and the positioning mold (7) is mounted in a mold groove of the three-axis workbench through a sealing ring; two vertical positioning cylinders are arranged at the bottom of the mold groove, and the upper ends of the positioning cylinders pass through round holes (9) on the positioning mold (7) and are connected to positioning blind holes on the lower side of a bridge (8); the vacuum generator (6) is fixedly mounted on a platform (1) of the three-axis workbench and is connected to the mold groove through a pipeline; the control system is respectively connected to the three-axis moving module, the vacuum generator (6) and the trimming head (3) through control lines.

2. A guitar bridge shape trimming machine according to claim 1, characterized in that: The tool of the trimming head (3) is a milling cutter.

3. The guitar bridge shape trimming machine according to claim 1, characterized in that: There are four mold grooves arranged in a rectangular shape on the platform (1); the four mold grooves have the same structure; the mold grooves are stepped rectangular grooves, and the upper size of the rectangular grooves matches the size of the positioning mold (7); a rectangular sealing ring is provided on the steps of the rectangular grooves; The positioning mold (7) is rectangular in shape, with a sealing groove (10) provided on the upper part and a sealing strip placed thereon, the plane shape of the sealing groove (10) matching the plane shape of the bridge (8); two circular holes (9) are provided on the positioning mold (7), the centers of the circular holes (9) are respectively coaxial with the centers of the positioning cylinders; the inner diameter of the circular holes (9) is greater than the outer diameter of the positioning cylinders.

4. The guitar bridge shape trimming machine according to claim 1, characterized in that: There are two vacuum generators (6), which are respectively installed on the left and right sides of the platform (1), and each vacuum generator (6) is connected to two mold grooves on the same side.

5. The guitar bridge shape trimming machine according to claim 1, characterized in that: There are two trimming heads (3), which are installed side by side on the three-axis moving module; the distance between the vertical axes of the two trimming heads (3) is equal to the distance between the center lines of the left and right mold grooves.

6. The guitar bridge shape trimming machine according to claim 1, characterized in that: The three-axis moving module comprises a door-shaped frame (2), a slide plate (5) and a mounting plate (4); the door-shaped frame (2) is slidably connected to the platform (1) and moves along the front-rear direction of the platform (1); the slide plate (5) is slidably connected to the crossbeam of the door-shaped frame (2) and moves along the left-right direction of the crossbeam; the mounting plate (4) is slidably connected to the slide plate (5) and moves along the up-down direction of the slide plate (5); and the trimming head (3) is fixedly mounted on the mounting plate (4).

7. A guitar bridge shape trimming machine according to claim 6, characterized in that: The door-shaped frame (2) is slidably connected to the platform (1) via a screw nut structure A, the screw nut structure A is connected to a front-rear servo motor, and the front-rear servo motor is fixedly mounted on the platform (1); the slide plate (5) is slidably connected to the crossbeam via a screw nut structure B, the screw nut structure B is connected to a left-right servo motor, and the left-right servo motor is fixedly mounted on the crossbeam; the mounting plate (4) is slidably connected to the slide plate (5) via a screw nut structure C, the screw nut structure C is connected to an up-down servo motor, and the up-down servo motor is fixedly mounted on the slide plate (5).

8. The guitar bridge shape trimming machine according to claim 1, characterized in that: The structure of the whole device is bilaterally symmetrical.

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