CN210305554U - Cutting gear hobbing machine for guitar scale line - Google Patents
Cutting gear hobbing machine for guitar scale line Download PDFInfo
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- CN210305554U CN210305554U CN201920876584.7U CN201920876584U CN210305554U CN 210305554 U CN210305554 U CN 210305554U CN 201920876584 U CN201920876584 U CN 201920876584U CN 210305554 U CN210305554 U CN 210305554U
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- hobbing
- rack
- rolling
- scale line
- roller
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Abstract
The utility model provides a gear cutting hobbing machine of guitar scale line with simple structure, low production cost, greatly improved tang and barb rolling efficiency, and automatic adjustment rolling speed to avoid metal silk thread to generate inelastic deformation in the rolling process, which comprises a frame, a rolling device and a hobbing device are arranged on the frame according to the production line, the rolling device comprises an upper press roll, a lower press roll and two first positioning blocks, a first positioning hole for metal silk thread to pass is arranged on the first positioning block, the upper press roll and the lower press roll are rotatably arranged on the frame, the upper press roll and the lower press roll are arranged between the two first positioning blocks, the hobbing device comprises an upper hobbing roll, a lower hobbing roll and two second positioning blocks, a second positioning hole for metal silk thread to pass is arranged on the second positioning block, the upper hobbing roll and the lower hobbing roll are arranged between the two second positioning holes, a first driving device for driving a roller pressing device is arranged on the frame, and a second driving device for driving the hobbing device is arranged on the rack.
Description
Technical Field
The utility model relates to a guitar accessory production machinery technical field, in particular to gear cutting gear hobbing machine of guitar scale line.
Background
The guitar scale line is the fret. The musical scale wire (fret) is a thin metal strip embedded at precise intervals throughout the fingerboard, most of which is usually made of nickel-silver (Nickelsilver, commonly occurring as NS) alloy (practically free of any silver), which is actually a nickel-copper alloy. Conventional alloys used to make fine scale wires are typically 18% nickel, 80% copper and other metals such as zinc, lead and cadmium. Jesca's nickel silver scale wire formula is 62% copper, 18% nickel and 20% zinc.
As shown in FIGS. 11 and 12, the musical scale wires have a rounded crown 1 ' on the top of a thinner tang 2 ' and barbs 3 ' on both sides, and each musical scale wire has to be cut to a length corresponding to the width of the neck and then be driven into a pre-cut groove of the fingerboard. The crown 1 'is larger than the groove width, i.e. the crown 1' is wider than the tang 2 'and the tang 2' is slightly shorter than the groove width. Barbs 3 'on either side of the tang 2' ensure that the scale wire is secured in the groove.
When the cylindrical metal wire is processed into the scale line, a tang 2 ' and barbs 3 ' on two sides of the tang 2 ' are firstly rolled out from the metal wire to obtain a semi-finished scale line, and then the semi-finished scale line which is rolled out from the roller is cut.
SUMMERY OF THE UTILITY MODEL
Therefore, to foretell problem, the utility model provides a simple structure, low in production cost carry tang and barb roll-in efficiency by a wide margin, and automatic adjustment roll-in speed avoids the metal silk thread to take place the gear cutting gear hobbing machine of inelasticity deformation's guitar scale line at the roll-in-process.
In order to realize the technical problem, the utility model discloses the solution who takes does: the gear cutting and hobbing machine for the guitar scale line comprises a rack, wherein a rolling device for rolling out a tang on a metal wire and a hobbing device for rolling out a chamfer on the tang are arranged on the rack according to a production line, the rolling device comprises an upper pressing roller, a lower pressing roller and two first positioning blocks, a first positioning hole for the metal wire to pass through is formed in each first positioning block, the upper pressing roller and the lower pressing roller are rotatably arranged on the rack, the upper pressing roller and the lower pressing roller are arranged between the two first positioning blocks, the hobbing device comprises an upper hobbing roller, a lower hobbing roller and two second positioning blocks, a second positioning hole for the metal wire to pass through is formed in each second positioning block, the upper hobbing roller and the lower hobbing roller are arranged between the two second positioning holes, and a first driving device for driving the rolling device is arranged on the rack, and a second driving device for driving the gear hobbing device is arranged on the rack.
The further improvement is that: the device comprises a rolling device, a rack, a rolling device and a hobbing device, wherein a sliding block for a metal wire to pass through is arranged between the rolling device and the hobbing device, the sliding block can be arranged on the rack in a sliding mode, a first elastic piece for enabling the sliding block to reset is arranged between the sliding block and the rack, an electronic ruler for measuring the sliding distance of the sliding block is arranged on the sliding block and the rack, a control module for controlling a first driving device is arranged on the rack, and the electronic ruler is in signal connection with the control module.
The further improvement is that: the induction device is used for inducing the metal wire and comprises a shell, an induction chip and an induction protrusion, a first through hole and a second through hole which are used for the metal wire to longitudinally pass through are formed in the shell, the induction protrusion is arranged between the first through hole and the second through hole, the induction protrusion can longitudinally slide on the shell, a second elastic piece which enables the protrusion to pop out is arranged between the induction protrusion and the shell, a signal input end of the induction chip is in linkage with the protrusion, the induction chip is in signal connection with the control module, and the control module is in signal connection with the second driving device.
The further improvement is that: the feeding direction of the rolling device is provided with a pay-off reel for placing metal wires, the pay-off reel comprises a tray body, a winding frame for winding the metal wires is fixedly arranged on the tray body, and the tray body is rotatably arranged on the rack.
The further improvement is that: the discharging direction of the hobbing device is provided with a take-up reel for placing the semi-finished scale line, the take-up reel comprises a tray body, a winding frame for winding the semi-finished scale line is fixedly arranged on the take-up reel, the tray body is rotatably arranged on the rack, and a third driving device for driving the take-up reel to rotate is arranged on the rack.
The further improvement is that: and a plurality of guide double rollers are arranged between the take-up reel and the hobbing device.
The further improvement is that: and a plurality of guide double rollers are arranged between the pay-off reel and the rolling device.
The further improvement is that: the feeding direction of the rolling device is provided with a dirt cleaning device for removing dirt on the metal wire, the dirt cleaning device comprises a plurality of vertical rods and a plurality of dirt cleaning blocks, the vertical rods are fixedly arranged on the rack, the dirt cleaning blocks are overlapped and sleeved on the vertical rods, and gaps for the metal wire to pass through are formed between the dirt cleaning blocks.
The further improvement is that: and the sliding block is provided with a guide pair roller for the silk thread to pass through.
The further improvement is that: the guide roller pair is arranged on the rotating block, and a positioning device used for positioning the rotating angle of the rotating block is arranged between the rotating block and the rack.
By adopting the technical scheme, the beneficial effects of the utility model are that: 1. the rolling of the tang and the rolling of the barb are carried out in steps, so that the quality of the product is improved; 2. the rolling speed of the rolling device is automatically adjusted to match with the hobbing device, so that the inelastic deformation of the metal wire caused by the inconsistent speed of the rolling device and the hobbing device is avoided, the production efficiency of the product is further ensured, and the quality of the product is improved; 3. the metal wire is automatically detected, and the machine can be automatically stopped after the metal wire is rolled, so that the energy waste is avoided, and the labor cost is reduced; 4. the metal wire entering the rolling device is automatically decontaminated, the product quality is improved, and the service life of the machine is prolonged.
Drawings
Fig. 1 is a schematic structural view of a gear cutting and hobbing machine according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of an induction device according to an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a slider according to an embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a rolling device according to an embodiment of the present invention.
Fig. 5 is a schematic structural diagram of a hobbing device according to an embodiment of the present invention.
Fig. 6 is a schematic structural view of a take-up reel and a steering wheel according to an embodiment of the present invention.
Fig. 7 is a top view of the take-up reel and the steering wheel according to the embodiment of the present invention.
Fig. 8 is a schematic structural diagram of a turning block according to an embodiment of the present invention.
Fig. 9 is a schematic structural view of a guide pair roller according to an embodiment of the present invention.
Fig. 10 is a schematic structural diagram of a dirt removing device according to an embodiment of the present invention.
Fig. 11 is a schematic structural diagram of the musical scale line of the background of the present invention.
Fig. 12 is a view of the background musical scale line of fig. 11 according to the present invention.
Detailed Description
The present invention will now be further described with reference to the accompanying drawings and specific embodiments.
Example (b):
referring to fig. 1 to 10, the gear cutting and hobbing machine for guitar scale line disclosed in the embodiment of the present invention comprises a frame 1, wherein the frame 1 is provided with a pay-off reel 5, an induction device 7 for inducing a metal wire, a rolling device 2 for rolling out a tang on the metal wire, a slider 4, a hobbing device 3 for rolling out a chamfer on the tang, and a take-up reel 6 according to a production line, the rolling device 2 comprises an upper press roller 21, a lower press roller 22, and two first positioning blocks 23, the first positioning blocks 23 are provided with first positioning holes 24 for the metal wire to pass through, the upper press roller 21 and the lower press roller 22 are rotatably arranged on the frame 1, the upper press roller 21 and the lower press roller 22 are arranged between the two first positioning blocks 23, the hobbing device 3 comprises an upper hobbing roller 31, a lower hobbing roller 32, and two second positioning blocks 33, the second positioning block 33 is provided with second positioning holes 34 for metal wires to pass through, the upper hobbing roller 31 and the lower hobbing roller 32 are arranged between the two second positioning holes 34, the rack 1 is provided with a first motor 21 for driving the rolling device 2, the rack 1 is provided with a second motor 31 for driving the upper hobbing roller 31 and the lower hobbing roller 32, the sliding block 4 can be arranged on the rack 1 in a sliding manner, the sliding block 4 is provided with a guide pair roller 9 for the wires to pass through, the guide pair roller comprises a first guide roller 95 and a second guide roller 96, the side surfaces of the first guide roller 95 and the second guide roller 96 are provided with guide ring grooves 911 around the central shaft, the rack 1 is provided with two sliding rails 42 in parallel, the sliding block 4 can be sleeved on the sliding rails 42 in a sliding manner, a first spring 43 for resetting the sliding block 4 is arranged between the sliding block 4 and the rack 1, the two ends of the first spring 43 are respectively fixedly connected with the frame 1 and the slider 4, the slider 4 and the frame 1 are provided with an electronic ruler 42 for measuring the sliding distance of the slider 4 (the electronic ruler 42 can be purchased directly from the market, which belongs to the public technology and is not described herein in detail), the take-up reel 6 and the pay-off reel 5 comprise a tray body 51 fixedly provided with a winding frame 52, the tray body 51 can be rotatably arranged on the frame 1, the frame 1 is provided with a third motor (not shown in the figure) for driving the take-up reel 6 to rotate, the frame 1 is provided with a control module (not shown in the figure) for controlling the first motor 21, the second motor 31 and the third motor, the control module is connected with controllers (not shown in the figure) of the first motor 21, the second motor 31 and the third motor through signal lines, the electronic ruler 42 is connected with the control module through signals, the sensing device 7 includes a housing 71, a sensing chip 73, and a sensing protrusion 72, the housing 71 is provided with a first through hole 74 and a second through hole 75 through which a metal wire passes longitudinally, the sensing protrusion 72 is disposed between the first through hole 74 and the second through hole 75, the sensing protrusion 72 is slidably disposed on the housing 71 along the longitudinal direction, a second spring (not shown) for ejecting the protrusion is disposed between the sensing protrusion 72 and the housing 71, two ends of the second spring are respectively fixed on the housing 71 and the sensing protrusion 73, in order to reduce resistance, an end of the sensing protrusion 72 contacting the metal wire is rotatably provided with a roller 76, a signal input end of the sensing chip 73 is connected with the sensing protrusion 72, and the sensing chip 73 is connected with the control module through signals, when the metal wire is arranged in the first through hole 74 and the second through hole 75 in a penetrating manner, the wire abuts against the roller 76 and presses the protrusion inwards, when the metal wire is used up, the protrusion pops out under the action of the second spring, the sensing chip 73 is triggered at the moment and sends a signal to the control module, and the control module sends a signal to the first motor 21, the second motor 31 and the third motor to stop rotating.
In order to make the metal wire more smoothly conveyed, a plurality of guide double rollers 9 are arranged between the take-up reel 6 and the hobbing device 3.
In order to make the metal wire more smoothly conveyed, two guide rollers 9 are arranged between the pay-off reel 5 and the rolling device 2.
In order to use metal wires with different specifications, the tray body 51 is provided with mounting holes 56 for fixing winding frames 52 with different specifications.
In order to avoid the metal wire from being loosened under the action of the elastic deformation internal stress, three limiting columns 53 are arranged on the outer side of the winding frame 52 of the tray body 51, the metal wire coiled into a disc is sleeved on the winding frame 52 and is placed between the winding frame 52 and the limiting columns 53, and a channel for upwards conveying the metal wire out is arranged between the limiting columns 53 and the winding frame 52.
In order to prevent the metal wires from loosening, a cover plate 54 is detachably arranged on the upper end of the winding frame 52, and the cover plate 54 is connected with the winding frame 52 through a bolt 55.
In order to avoid carrying dirt on the metal silk thread and getting into rolling device 2, cause semi-manufactured goods scale line quality after the roll-in to have the flaw, also in order to improve the life-span of the gear cutting gear hobbing machine of guitar scale line, rolling device 2's direction of feed is provided with the device 8 of decontaminating that is used for getting rid of the dirt on the metal silk thread, device 8 of decontaminating includes four montants 81, two sponge pieces of decontaminating 82 of decontaminating, montant 81 fixed set up in frame 1, each sponge piece 82 of decontaminating stack the cover and locate on montant 81, be provided with the gap that supplies the metal silk thread to pass between the sponge piece of decontaminating 82, when the metal silk thread passes the gap between the sponge piece of decontaminating 82, filth such as dust on the metal silk thread can be cleared up by the sponge piece 82 of decontaminating.
In order to adjust the guide gap between the guide pair rollers 9 conveniently, a rotating block 91 is rotatably arranged on the frame 1, the guide pair rollers 9 are arranged on the rotating block 91, a positioning screw 92 for positioning the rotating angle of the rotating block 91 is arranged between the rotating block 91 and the frame 1, an arc chute 93 and a threaded hole are respectively arranged on the rotating block 91 and the frame 1 for the screw to pass through, the circle center of the arc chute 93 is overlapped with the rotating center of the rotating block 91, the positioning screw 92 is loosened, the rotating angle of the rotating block 91 can be adjusted, so that the angle and the distance of the guide gap of the guide pair rollers 9 can be adjusted, the positioning screw 92 is locked, the rotating block 91 can be locked on the frame 1 to prevent rotation, the east side of the rotating block 91 is an arc edge, the circle center of the arc edge is overlapped with the rotating center of the rotating block 91, and the arc edge is provided with a tooth row, frame 1 rotates on class and is provided with gear 94, gear 94 with the tooth row mesh transmission mutually, the coaxial line is fixed on gear 94 and is provided with hexagon socket head cap screw, rotates gear 94 through using hexagon socket head cap spanner, can adjust the turned angle of turning block 91, and the adjustment is convenient and can accurate regulation.
In order to enable the metal wire to be transmitted more smoothly, a guide pair roller 9 is arranged between the rolling device 2 and the sliding block 4, and the guide pair roller 9 is arranged between the hobbing device 3 and the sliding block 4.
The utility model discloses a gear cutting hobbing machine of guitar scale line, the metal silk thread is put on drawing drum 5, it is through roll-in device 2, go up compression roller 21 and lower compression roller 22 to half roller pressing one-half of metal silk thread become the tang, be called the product crown for the roll-in part, rethread hobbing machine 3 rolls out the barb in the position of tang, through twice roll-in, the quality of roll-in is more stable, the effect is better, when the roll-in speed of roll-in device 2 is greater than the roll-in speed of hobbing machine 3, slider 4 slides behind the effect of spring, electronic ruler 42 responds to the position of slider 4, send signal to control module, control module control first motor 21 reduces the rotational speed, when the roll-in speed of roll-in device 2 is less than the roll-in speed of hobbing machine 3, the briquetting slides forward, electronic ruler 42 responds to the position send signal of slider 4 and gives control module, control module control first motor 21 improves the rotational speed, the speed of the hobbing device 3 is matched by adjusting the rolling speed of the rolling device 2 in real time, so that the phenomenon that the metal wire is broken or extends out of the deformation of the metal wire of the machine table and even the machine table cannot normally operate due to the fact that the rolling speed of the rolling device 2 is inconsistent with that of the hobbing device 3 is avoided.
Based on the scheme, in practical operation, the first driving device, the second driving device and the third driving device can also be internal combustion engines, and the cleaning block can also be a cloth block.
Modifications and variations of the present invention are within the scope of the claims and are not limited by the disclosure of the embodiments.
Claims (10)
1. Guitar scale line's gear cutting gear hobbing machine, its characterized in that: comprises a frame, a rolling device for rolling a tang on the metal wire and a hobbing device for rolling a chamfer on the tang are arranged on the frame along a production line, the rolling device comprises an upper rolling roller, a lower rolling roller and two first positioning blocks, wherein the first positioning blocks are provided with first positioning holes for metal wires to pass through, the upper press roll and the lower press roll are rotatably arranged on the frame and are arranged between the two first positioning blocks, the hobbing device comprises an upper hobbing roller, a lower hobbing roller and two second positioning blocks, wherein the second positioning blocks are provided with second positioning holes for metal wires to pass through, the upper gear hobbing roller and the lower gear hobbing roller are arranged between the two second positioning holes, a first driving device for driving the rolling device is arranged on the rack, and a second driving device for driving the gear hobbing device is arranged on the rack.
2. The gear cutting and hobbing machine for guitar scale line as in claim 1, characterized in that: the device comprises a rolling device, a rack, a rolling device and a hobbing device, wherein a sliding block for a metal wire to pass through is arranged between the rolling device and the hobbing device, the sliding block can be arranged on the rack in a sliding mode, a first elastic piece for enabling the sliding block to reset is arranged between the sliding block and the rack, an electronic ruler for measuring the sliding distance of the sliding block is arranged on the sliding block and the rack, a control module for controlling a first driving device is arranged on the rack, and the electronic ruler is in signal connection with the control module.
3. The gear cutting and hobbing machine for guitar scale line as in claim 2, characterized in that: the induction device is used for inducing the metal wire and comprises a shell, an induction chip and an induction protrusion, a first through hole and a second through hole which are used for the metal wire to longitudinally pass through are formed in the shell, the induction protrusion is arranged between the first through hole and the second through hole, the induction protrusion can longitudinally slide on the shell, a second elastic piece which enables the protrusion to pop out is arranged between the induction protrusion and the shell, a signal input end of the induction chip is in linkage with the protrusion, the induction chip is in signal connection with the control module, and the control module is in signal connection with the second driving device.
4. The gear cutting and hobbing machine for guitar scale line as in claim 1, characterized in that: the feeding direction of the rolling device is provided with a pay-off reel for placing metal wires, the pay-off reel comprises a tray body, a winding frame for winding the metal wires is fixedly arranged on the tray body, and the tray body is rotatably arranged on the rack.
5. The gear cutting and hobbing machine for guitar scale line as in claim 1, characterized in that: the discharging direction of the hobbing device is provided with a take-up reel for placing the semi-finished scale line, the take-up reel comprises a tray body, a winding frame for winding the semi-finished scale line is fixedly arranged on the take-up reel, the tray body is rotatably arranged on the rack, and a third driving device for driving the take-up reel to rotate is arranged on the rack.
6. The gear cutting and hobbing machine for guitar scale line as in claim 5, characterized in that: and a plurality of guide double rollers are arranged between the take-up reel and the hobbing device.
7. The gear cutting and hobbing machine for guitar scale line as in claim 4, characterized in that: and a plurality of guide double rollers are arranged between the pay-off reel and the rolling device.
8. The gear cutting and hobbing machine for guitar scale line as in claim 1, characterized in that: the feeding direction of the rolling device is provided with a dirt cleaning device for removing dirt on the metal wire, the dirt cleaning device comprises a plurality of vertical rods and a plurality of dirt cleaning blocks, the vertical rods are fixedly arranged on the rack, the dirt cleaning blocks are overlapped and sleeved on the vertical rods, and gaps for the metal wire to pass through are formed between the dirt cleaning blocks.
9. The gear cutting and hobbing machine for guitar scale line as in claim 2, characterized in that: and the sliding block is provided with a guide pair roller for the silk thread to pass through.
10. The gear cutting and hobbing machine for guitar scale line as in claim 6, characterized in that: the guide roller pair is arranged on the rotating block, and a positioning device used for positioning the rotating angle of the rotating block is arranged between the rotating block and the rack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920876584.7U CN210305554U (en) | 2019-06-12 | 2019-06-12 | Cutting gear hobbing machine for guitar scale line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920876584.7U CN210305554U (en) | 2019-06-12 | 2019-06-12 | Cutting gear hobbing machine for guitar scale line |
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| Publication Number | Publication Date |
|---|---|
| CN210305554U true CN210305554U (en) | 2020-04-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920876584.7U Active CN210305554U (en) | 2019-06-12 | 2019-06-12 | Cutting gear hobbing machine for guitar scale line |
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| Country | Link |
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| CN (1) | CN210305554U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110252914A (en) * | 2019-06-12 | 2019-09-20 | 漳州宾玮五金配件有限公司 | The cutting gear-hobbing machine of guitar scale line |
-
2019
- 2019-06-12 CN CN201920876584.7U patent/CN210305554U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110252914A (en) * | 2019-06-12 | 2019-09-20 | 漳州宾玮五金配件有限公司 | The cutting gear-hobbing machine of guitar scale line |
| CN110252914B (en) * | 2019-06-12 | 2024-03-22 | 漳州宾玮五金配件有限公司 | Gear cutting and hobbing machine for guitar scale line |
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