CN109920395B - Automatic winding and arranging machine for violin strings - Google Patents
Automatic winding and arranging machine for violin strings Download PDFInfo
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- CN109920395B CN109920395B CN201910168328.7A CN201910168328A CN109920395B CN 109920395 B CN109920395 B CN 109920395B CN 201910168328 A CN201910168328 A CN 201910168328A CN 109920395 B CN109920395 B CN 109920395B
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Abstract
An automatic violin string winding and arranging machine comprises a frame, a winding and arranging mechanism, a first driving mechanism for driving the winding and arranging mechanism, a steel wire elastic tension mechanism, a second driving mechanism for driving the steel wire elastic tension mechanism, a steel wire clamping mechanism and a third driving mechanism for driving the steel wire clamping mechanism. The principle of the utility model is as follows: firstly, one end of a steel wire strip bead head is fixed on a steel wire elastic tension mechanism, the other end of the steel wire is fixed on a steel wire clamping mechanism, and a second driving mechanism and a third driving mechanism are driven simultaneously, so that the rotation of the steel wire can be realized; when the steel wire rotates, the first driving mechanism drives the wire arranging mechanism to horizontally move, so that the winding wire can be wound on the surface of the steel wire, and when the steel wire is wound, the two wire wheels can simultaneously pay off, so that the two winding wire can be simultaneously wound on the steel wire.
Description
Technical Field
The utility model relates to musical instrument manufacturing equipment, in particular to a violin string winding and arranging machine.
Background
The traditional string winding wire arranging machine is mainly used in the musical instrument manufacturing industry, and the first generation wire arranging machine is structurally shown in fig. 1 and 2 and comprises a motor 101, a belt 102, a synchronous wheel 103, a transmission rod 104, a rotating shaft 105, a wire hook 106 and a spring wire hook 107, and a movable transmission box 108, wherein the movable transmission box is internally provided with a synchronous belt, and the rotating speed is kept consistent with the other end. The movable transmission case is mounted on a screw 112 through a connection plate 109, and the handle 111 is swung to move the movable transmission case 108 left and right through the bevel gear 110. The working process mainly comprises the following steps: (1) The wire core 100 with the bead head is used, one end with the bead head is hooked on the spring wire hook 107, and the other end is screwed on the wire hook 106 by rotating the wire hook; (3) And (4) the pedal control motor rotates to drive the winding wire to wind along the steel wire, the winding wire is manually held, and when the winding wire is wound at the tail end of the steel wire, the motor is stopped, and the winding wire is manually pulled to finish string manufacturing. The string produced by the manual violin winding machine has the following problems that 1) the production efficiency is low, 2) when two winding wires are wound side by side, the tightness of the string is difficult to control manually, waste products are easy to produce, 3) due to the transmission rod, more bearings are needed, and the noise is high during high-speed operation.
Disclosure of Invention
The utility model aims to solve the technical problem of providing an automatic violin string winding and arranging machine which is suitable for automatic violin string winding and arranging, has high full-automatic production efficiency and can realize parallel winding of two winding wires.
In order to solve the technical problems, the technical scheme of the utility model is as follows: the automatic violin string winding and arranging machine comprises a frame, a wire arranging mechanism, a first driving mechanism for driving the wire arranging mechanism, a steel wire elastic tension mechanism, a second driving mechanism for driving the steel wire elastic tension mechanism, a steel wire clamping mechanism and a third driving mechanism for driving the steel wire clamping mechanism, wherein the frame comprises a front vertical plate, a rear vertical plate and a guide rod arranged between the front vertical plate and the rear vertical plate, and the wire arranging mechanism is in sliding fit with the guide rod; the wire arranging mechanism comprises a movable plate, a mounting plate vertically fixed on the front surface of the movable plate, a wire wheel assembly arranged at the upper end of the movable plate, an automatic wire breaking assembly arranged on the mounting plate and a wire pressing assembly arranged on the mounting plate; the back of the movable plate is provided with a sliding block which is in sliding fit with the guide rod; the wire wheel assembly comprises a wire wheel frame, a wire wheel shaft arranged on the wire wheel frame, a wire wheel which is arranged on the wire wheel shaft and used for winding a wire, a magnetic resistance connected with the wire wheel shaft and a brake cylinder used for braking the wire wheel shaft, and a brake rubber block is arranged on a telescopic rod of the brake cylinder; the automatic wire breaking assembly comprises a rotating shaft penetrating through the mounting plate, a balance wheel arranged at one end of the rotating shaft, a wire breaking cylinder for driving the balance wheel to rotate, a wire breaking eccentric wheel arranged at the other end of the rotating shaft and wire breaking fixing rods arranged at two sides of the wire breaking eccentric wheel, and a gap for a steel wire to pass through is formed between the wire breaking eccentric wheel and the wire breaking fixing rods; the wire pressing assembly comprises a wire pressing cylinder and a wire pressing rod arranged on a telescopic rod of the wire pressing cylinder, and a limiting groove is formed in the lower end of the wire pressing rod. The principle of the utility model is as follows: firstly, one end of a steel wire strip bead head is fixed on a steel wire elastic tension mechanism, the other end of the steel wire is fixed on a steel wire clamping mechanism, and a second driving mechanism and a third driving mechanism are driven simultaneously, so that the rotation of the steel wire can be realized; when the steel wire rotates, the first driving mechanism drives the wire arranging mechanism to horizontally move, so that the winding wire can be wound on the surface of the steel wire, and when the steel wire is wound, the two wire wheels can simultaneously pay off, so that the two winding wire can be simultaneously wound on the steel wire. Because the wire arranging mechanism integrates the wire wheel, the wire arranging mechanism walks together with the wire wheel while walking, and when the automatic wire cutting assembly breaks wires, the wire wheel is braked immediately, so that the wire winding leather can be prevented from rebounding after the wire breaking; the magnetic force resistor is used for controlling the resistance of the wire wheel, so that the winding force and the winding density are stable, and the instability of manual winding depending on hand feeling control is avoided.
As an improvement, the top of broken string eccentric wheel is equipped with wire subassembly, wire subassembly includes the U-shaped seat, the U-shaped seat includes the fixed plate, establishes the first riser in fixed plate one side and establishes the second riser at the fixed plate opposite side, the fixed plate is fixed on the mounting panel, is equipped with the perforation on the first riser, is equipped with the clamp plate between first riser and the second riser, is equipped with the depression bar and passes the perforation and stretch into in the U-shaped seat and be connected with the clamp plate, be equipped with the spring between clamp plate and the first riser, the one end that the depression bar was established outside the U-shaped seat is equipped with the stopper, the inboard of second riser is equipped with fixed felt piece, be equipped with movable felt piece on the clamp plate, fixed felt piece twines the wire winding skin with movable felt piece centre gripping.
As an improvement, the first driving mechanism comprises a first synchronous pulley arranged on the front vertical plate, a first motor for driving the first synchronous pulley, a second synchronous pulley arranged on the rear vertical plate and a synchronous belt, and the synchronous belt is connected with the movable plate.
As an improvement, steel wire elasticity pulling force mechanism is including fixing the main shaft seat on the front riser and the main shaft of pin joint on the main shaft seat, the main shaft is hollow structure, forms the holding cavity in the main shaft, the first end of main shaft is equipped with the pull rod and inserts in the holding cavity, and the pull rod passes through the round pin hub connection with the main shaft, the second end of main shaft is equipped with hexagonal slide bar and inserts in the holding cavity, hexagonal slide bar and main shaft sliding fit, and the second end overcoat of main shaft has the locating sleeve, and the locating sleeve passes through screwed connection with the main shaft, is equipped with the hexagonal hole that supplies hexagonal slide bar to stretch out on the locating sleeve, and the hexagonal slide bar that stretches out outside the locating sleeve is connected with sinle silk pearl head couple, be equipped with spring coupling between pull rod and the hexagonal slide bar.
As an improvement, the end part of the pull rod is provided with a first spring hook, the end part of the hexagonal sliding rod is provided with a second spring hook, and the two ends of the spring are respectively hung on the first spring hook and the second spring hook.
As an improvement, steel wire clamping mechanism includes pivot, cover at the chuck cover of pivot one end, the toper cover of being connected with the chuck cover, loose axle and a plurality of clamping piece, the chuck cover includes cylindricality portion and toper portion, is equipped with the cavity in the cylindricality portion, the one end of pivot stretches into in the cavity, the loose axle inserts from the one end of toper portion, is equipped with the spring between the tip of loose axle and the tip of pivot, the global of loose axle is equipped with a plurality of spacing grooves, the inboard of clamping piece inserts the loose axle through the spacing groove, toper portion corresponds spacing groove department and is equipped with the travel groove, and the outside of clamping piece is established in the travel groove, be equipped with the wire hole that supplies the steel wire to pass in the loose axle, the medial surface of clamping piece is equipped with the anti-skidding tooth, and the lateral surface of clamping piece is the inclined plane, and the inclination is unanimous with toper cover inner wall inclination.
As an improvement, one end of the movable shaft is provided with a conical opening for the steel wire to enter, and the conical opening is communicated with the wire passing hole.
As an improvement, one end of the movable shaft is provided with a groove, and one end of the spring is arranged in the groove.
As an improvement, the guide rod is provided with a sliding plate and a fixed plate, the sliding plate is in sliding fit with the guide rod, the fixed plate is fixedly connected with the guide rod, the rotating shaft is fixed on the sliding plate through a bearing seat, the fixed plate is provided with a wire clamping cylinder, and a telescopic rod of the wire clamping cylinder is connected with the sliding plate; and a stop block matched with the movable shaft is also arranged on the guide rod.
Compared with the prior art, the utility model has the beneficial effects that:
1. the wire arranging mechanism, the steel wire elastic tension mechanism and the steel wire clamping mechanism are mutually matched to realize automatic winding of strings into the wire arranging mechanism, so that the production efficiency is improved;
2. the magnetic force resistor is used for controlling the resistance of the wire wheel, so that the winding force and the winding density are stable, and the instability of manual winding by hand feeling control is avoided;
3. because the wire arranging mechanism integrates the functions of paying off and automatic wire cutting of the wire wheel, the wire arranging mechanism walks together with the wire wheel while walking, and when the wire is cut off by the automatic wire cutting assembly, the wire wheel is braked immediately, so that the wire winding leather can be prevented from rebounding after the wire is cut off;
4. the equipment has low production noise and improves the production environment.
Drawings
FIG. 1 is a prior art flat cable architecture diagram.
Fig. 2 is a prior art wire-arranging mechanism driving diagram.
FIG. 3 is a schematic diagram of the present utility model.
Fig. 4 is a schematic view of a wire wheel assembly.
Fig. 5 is a right side schematic view of the wire arranging mechanism.
Fig. 6 is a left side schematic view of the traverse mechanism.
Fig. 7 is a schematic diagram of a wire assembly.
Fig. 8 is a schematic view of a wire elastic tension mechanism.
Fig. 9 is a schematic view of a wire clamping mechanism in a clamped state.
Fig. 10 is a schematic view of the wire gripping mechanism in an undamped condition.
Description of the embodiments
The utility model is further described below with reference to the drawings.
As shown in fig. 3, an automatic violin string winding and arranging machine comprises a frame, a wire arranging mechanism 1, a first driving mechanism 2 for driving the wire arranging mechanism 1, a steel wire elastic tension mechanism 3, a second driving mechanism 4 for driving the steel wire elastic tension mechanism 3, a steel wire clamping mechanism 5 and a third driving mechanism 6 for driving the steel wire clamping mechanism 5. The principle of the utility model is as follows: firstly, one end of a steel wire 7 with a bead head is fixed on a steel wire elastic tension mechanism 3, the other end of the steel wire 7 is fixed on a steel wire clamping mechanism 5, and a second driving mechanism 4 and a third driving mechanism 6 are driven simultaneously, so that the rotation of the steel wire can be realized; when the steel wire 7 rotates, the first driving mechanism 2 drives the wire arranging mechanism 1 to horizontally move, so that the winding wire can be wound on the surface of the steel wire, and when the wire is wound, the two wire wheels can simultaneously pay off, so that the two winding wire can be simultaneously wound on the steel wire.
As shown in fig. 3, the frame includes a front vertical plate 8, a rear vertical plate 9, and a guide rod 23 disposed between the front vertical plate 8 and the rear vertical plate 9, two guide rods 23 disposed in parallel are disposed in total, and two ends of the guide rod 23 are respectively vertically fixed with the front vertical plate 8 and the rear vertical plate 9. The first driving mechanism 2 and the second driving mechanism 4 are arranged on the front vertical plate 8, the third driving mechanism 6 is arranged on the rear vertical plate 9, and the wire arranging mechanism 1 is arranged on the guide rod 23.
As shown in fig. 3 to 6, the wire arranging mechanism 1 comprises a movable plate 19, a mounting plate 16 vertically fixed on the front surface of the movable plate 19, a wire wheel assembly arranged at the upper end of the movable plate 19, an automatic wire breaking assembly 17 arranged on the mounting plate 16 and a wire pressing assembly 18 arranged on the mounting plate 16. The back of the movable plate 19 is provided with a sliding block 24, the sliding block 24 is provided with a linear bearing, the sliding block 24 is in sliding fit with the guide rod 23, and the movable plate 19 can horizontally move left and right along the guide rod 23. The first driving mechanism 2 comprises a first synchronous pulley arranged on the front vertical plate 8, a first motor 21 for driving the first synchronous pulley, a second synchronous pulley arranged on the rear vertical plate 9 and a synchronous belt 22, wherein the synchronous belt 22 is connected with the movable plate 19, and the synchronous belt 22 is parallel to the guide rod 23; the first motor 21 drives the movable plate 19 through driving the synchronous belt 22, so as to drive the whole wire arranging mechanism 1 to move; the sliding speed of the wire arranging mechanism 1, i.e., the wire arranging speed is adjusted by adjusting the rotational speed of the first motor 21.
As shown in fig. 4, the wire wheel assembly includes a wire wheel frame 15, a wire wheel shaft 111 provided on the wire wheel frame 15, a wire wheel 11 mounted on the wire wheel shaft 111 for winding a wire, a magnetic resistor 13 connected to the wire wheel shaft 111, and a brake cylinder 14 for braking the wire wheel shaft 111. The wire wheel frame 15 may be provided with a plurality of wire wheels 11, in this embodiment, three wire wheels 11 are provided, each wire wheel corresponds to one wire wheel shaft 111, and when two wire wheels 11 pay off simultaneously, the chain winding wire can be realized. The shaft of the magnetic force resistor 13 is connected with the shaft 111 of the wire wheel by screws and fastened, so that the shaft 111 of the wire wheel and the shaft of the resistor rotate together, the rotation of the wire wheel 11 has constant resistance due to the action of the magnetic force resistor 13, the resistance is the tension of the winding wire when the string is manufactured, the tension of the winding wire can be adjusted by adjusting the resistance, the resistance of the wire wheel 11 is controlled by utilizing the magnetic force resistor 13, the winding force and the winding density are stable, and the instability of manual winding due to hand feeling control is avoided. The brake cylinder 14 is arranged below the wire wheel shaft 111, the brake cylinder 14 is vertically upwards, a brake rubber block is arranged on a telescopic rod of the brake cylinder 14, the wire wheel is in a rotating state when the string is manufactured, and when winding is stopped, the wire wheel can continue to rotate due to inertia action, so that the brake cylinder 14 acts to push against the wire wheel shaft 111, and the wire wheel stops rotating.
As shown in fig. 5 and 6, the automatic wire breaking assembly 17 includes a rotating shaft passing through the mounting plate 16, a balance wheel 172 provided at one end of the rotating shaft, a wire breaking cylinder 171 for driving the balance wheel 172 to rotate, a wire breaking eccentric 174 provided at the other end of the rotating shaft, and wire breaking fixing rods 173 provided at both sides of the wire breaking eccentric 174. The balance wheel 172 is arranged on one side of the mounting plate 16, the broken wire eccentric wheel 174 is arranged on the other side of the mounting plate 16, and the balance wheel 172 drives the broken wire eccentric wheel 174 through a rotating shaft. The wire breaking cylinder 171 is fixed to the mounting plate 16, and a telescopic rod of the wire breaking cylinder 171 is hinged to an edge of the balance wheel 172, and the telescopic movement of the wire breaking cylinder 171 is converted into a rotational movement of the balance wheel 172. A gap for the steel wire to pass through is provided between the wire breaking eccentric 174 and the wire breaking fixing lever 173. The wire breaking cylinder 171 drives the balance wheel 172 to rotate when acting up and down, the rotating shaft drives the wire breaking eccentric wheel 174 to swing, the winding wire passes through the gap between the wire breaking eccentric wheel 174 and the wire breaking fixing rod 173, when the wire breaking eccentric wheel 174 swings, the winding wire is clamped, and in the process of rotating the wire core, the winding wire is clamped, so that the effect of tearing off the winding wire belt is achieved, and the automatic wire breaking operation is completed. The wire breaking cylinder 171 is mounted on the wire breaking cylinder 171 seat, the wire breaking cylinder 171 seat is fixed on the wire breaking seat by screws, and since the cylinder moves linearly and the balance wheel 172 moves circularly, the cylinder seat cannot be locked, a rotating gap is needed, and the cylinder seat can rotate freely according to the angle when the cylinder moves up and down.
As shown in fig. 6 and 7, the wire assembly 12 is disposed above the wire breaking eccentric wheel 174, the wire assembly 12 includes a U-shaped seat, the U-shaped seat includes a fixing plate, a first vertical plate 125 disposed on one side of the fixing plate, and a second vertical plate 121 disposed on the other side of the fixing plate, the fixing plate is fixed on the mounting plate 16, a through hole is disposed on the first vertical plate 125, a pressing plate 124 is disposed between the first vertical plate 125 and the second vertical plate 121, a pressing rod 126 is disposed to penetrate through the through hole and extend into the U-shaped seat and is connected with the pressing plate 124, a spring is disposed between the pressing plate 124 and the first vertical plate 125, a stopper 127 is disposed at one end of the pressing rod 126 disposed outside the U-shaped seat, a fixed felt block 122 is disposed on the inner side of the second vertical plate 121, a movable felt block 123 is disposed on the pressing plate 124, and the fixed felt block 122 and the movable block 123 clamp the wound wire skin. After the winding wire passes through the wire assembly, the winding wire accurately passes through a gap between the broken wire eccentric wheel and the broken wire fixing rod, so that accurate broken wire can be ensured.
As shown in fig. 5, the pressing assembly 18 includes a pressing cylinder 181 and a pressing rod 182 disposed on a telescopic rod of the pressing cylinder 181, and a limit groove is disposed at a lower end of the pressing rod 182. When the wire pressing cylinder 181 drives the wire pressing rod 182 to move downwards and enable the steel wire 7 to enter the limiting groove, the limiting groove can prevent the steel wire 7 from being separated from the constraint of the wire pressing rod 182, and the wire pressing state is always kept. The steel wire 7 can generate jumping when rotating at a high speed, and the steel wire is pressed by the wire pressing rod 182 to prevent the steel wire from jumping, so that the winding process is more stable.
As shown in fig. 3 and 8, the steel wire elastic tension mechanism 3 includes a spindle seat 31 fixed on the front vertical plate 8 and a spindle 32 pivotally connected to the spindle seat 31, the spindle 32 is of a hollow structure, and an accommodating cavity is formed in the spindle 32. A pull rod 33 is arranged at the first end of the main shaft 32 and is inserted into the accommodating cavity, the pull rod 33 is connected with the main shaft 32 through a pin shaft, and the pull rod 33 rotates together with the main shaft 32; a hexagonal sliding rod 34 is arranged at the second end of the main shaft 32 and is inserted into the accommodating cavity, and the hexagonal sliding rod 34 is in sliding fit with the main shaft 32; the second end of the main shaft 32 is sleeved with a positioning sleeve 36, the positioning sleeve 36 is connected with the main shaft 32 through a screw, a hexagonal hole for the hexagonal sliding rod 34 to extend out is formed in the positioning sleeve 36, and the hexagonal sliding rod 34 extending out of the positioning sleeve 36 is connected with a wire core bead head hook 37. A spring 35 is arranged between the pull rod 33 and the hexagonal sliding rod 34 for connection; the end of the pull rod 33 is provided with a first spring hook 331, the end of the hexagonal sliding rod 34 is provided with a second spring hook 341, and two ends of the spring 35 are respectively hung on the first spring hook 331 and the second spring hook 341. When in operation, the main shaft 32 can drive the hexagonal sliding rod 34 to rotate together, and the wire core bead head hook 37 can stretch back and forth under the action of the spring 35 while rotating. The second driving mechanism 4 includes a second motor 41, and the second motor 41 drives the spindle 32 to rotate through a timing belt 42.
As shown in fig. 9 and 10, the wire clamping mechanism 5 includes a rotating shaft 55, a chuck sleeve 51 sleeved at one end of the rotating shaft 55, a conical sleeve 54 connected with the chuck sleeve 51, a movable shaft 52, and two clamping pieces 53 symmetrically arranged. The chuck sleeve 51 comprises a cylindrical part 511 and a conical part 512, a cavity is arranged in the cylindrical part 511, one end of the rotating shaft 55 extends into the cavity, the movable shaft 52 is inserted from one end of the conical part 512, and a spring 56 is arranged between the end of the movable shaft 52 and the end of the rotating shaft 55; one end of the movable shaft 52 is provided with a groove, and one end of the spring is arranged in the groove. The periphery of the movable shaft 52 is provided with a plurality of limit grooves 522, the inner sides of the clamping pieces 53 are inserted into the movable shaft 52 through the limit grooves 522, the conical parts 512 are provided with travel grooves 513 at positions corresponding to the limit grooves, and the outer sides of the clamping pieces 53 are arranged in the travel grooves 513. The movable shaft 52 is internally provided with a wire passing hole for the steel wire 7 to pass through, the inner side surface of the clamping piece 53 is provided with anti-slip teeth, the outer side surface of the clamping piece 53 is an inclined surface, and the inclination is consistent with the inclination of the inner wall of the conical sleeve 54. One end of the movable shaft 52 is provided with a conical opening 521 for the steel wire to enter, the conical opening 521 is communicated with the wire passing hole, and the conical opening 521 facilitates the steel wire 7 to enter the movable shaft 52. The guide rod 23 is provided with a sliding plate 62 and a fixed plate 63, the sliding plate 62 is in sliding fit with the guide rod 23, the fixed plate 63 is fixedly connected with the guide rod 23, the rotating shaft 55 is fixed on the sliding plate 62 through a bearing seat, the fixed plate 63 is provided with a wire clamping cylinder 64, and a telescopic rod of the wire clamping cylinder 64 is connected with the sliding plate 62; the guide rod 23 is also provided with a stop block 65 matched with the movable shaft 52. In the steel wire clamping state, the spring drives the movable shaft 52 to move outwards, and the movable shaft 52 drives the clamping pieces 53, so that the outer side surfaces of the clamping pieces 53 and the inner wall iron wall of the conical sleeve 54 force the clamping pieces 53 to shrink inwards, and further the two clamping pieces 53 clamp the steel wires; when the steel wire 7 needs to be taken out, the wire clamping cylinder 64 pushes the sliding plate 62, the sliding plate 62 drives the whole steel wire clamping mechanism 5 to move leftwards, the end part of the movable shaft 52 is abutted against the stop block, the movable shaft 52 moves rightwards relative to the conical sleeve 54, the movable shaft 52 compresses the spring, the movable shaft 52 drives the clamping piece 53 to move rightwards, the outer side surface of the clamping piece 53 leaves the inner wall of the conical sleeve 54, and the clamping state of the clamping piece 53 is released, so that the steel wire can be taken out easily. The third driving mechanism 6 includes a third motor 61, the third motor 61 is fixed on the sliding plate 62, the third motor 61 drives the rotating shaft 55 through the synchronous belt, and the rotating shaft 55 drives the chuck cover 51.
Claims (9)
1. The automatic violin string winding and arranging machine comprises a frame, a wire arranging mechanism, a first driving mechanism for driving the wire arranging mechanism, a steel wire elastic tension mechanism, a second driving mechanism for driving the steel wire elastic tension mechanism, a steel wire clamping mechanism and a third driving mechanism for driving the steel wire clamping mechanism, wherein the frame comprises a front vertical plate, a rear vertical plate and a guide rod arranged between the front vertical plate and the rear vertical plate, and the wire arranging mechanism is in sliding fit with the guide rod; the method is characterized in that: the wire arranging mechanism comprises a movable plate, a mounting plate vertically fixed on the front surface of the movable plate, a wire wheel assembly arranged at the upper end of the movable plate, an automatic wire breaking assembly arranged on the mounting plate and a wire pressing assembly arranged on the mounting plate; the back of the movable plate is provided with a sliding block which is in sliding fit with the guide rod; the wire wheel assembly comprises a wire wheel frame, a wire wheel shaft arranged on the wire wheel frame, a wire wheel which is arranged on the wire wheel shaft and used for winding a wire, a magnetic resistance connected with the wire wheel shaft and a brake cylinder used for braking the wire wheel shaft, and a brake rubber block is arranged on a telescopic rod of the brake cylinder; the automatic wire breaking assembly comprises a rotating shaft penetrating through the mounting plate, a balance wheel arranged at one end of the rotating shaft, a wire breaking cylinder for driving the balance wheel to rotate, a wire breaking eccentric wheel arranged at the other end of the rotating shaft and wire breaking fixing rods arranged at two sides of the wire breaking eccentric wheel, and a gap for a steel wire to pass through is formed between the wire breaking eccentric wheel and the wire breaking fixing rods; the wire pressing assembly comprises a wire pressing cylinder and a wire pressing rod arranged on a telescopic rod of the wire pressing cylinder, and a limiting groove is formed in the lower end of the wire pressing rod; the shaft of the magnetic resistor is connected and fastened with the axle of the axle, so that the axle of the axle and the shaft of the magnetic resistor rotate together.
2. An automatic violin string winding and arranging machine as claimed in claim 1, wherein: the wire cutting eccentric wheel is characterized in that a wire guide assembly is arranged above the wire cutting eccentric wheel and comprises a U-shaped seat, the U-shaped seat comprises a fixed plate, a first vertical plate arranged on one side of the fixed plate and a second vertical plate arranged on the other side of the fixed plate, the fixed plate is fixed on a mounting plate, a through hole is formed in the first vertical plate, a pressing plate is arranged between the first vertical plate and the second vertical plate, a pressing rod penetrates through the through hole to extend into the U-shaped seat and is connected with the pressing plate, a spring is arranged between the pressing plate and the first vertical plate, one end of the pressing rod arranged outside the U-shaped seat is provided with a limiting block, a fixed felt block is arranged on the inner side of the second vertical plate, and a movable felt block is arranged on the pressing plate and is used for clamping and winding a wire skin.
3. An automatic violin string winding and arranging machine as claimed in claim 1, wherein: the first driving mechanism comprises a first synchronous belt wheel arranged on the front vertical plate, a first motor for driving the first synchronous belt wheel, a second synchronous belt wheel arranged on the rear vertical plate and a synchronous belt, and the synchronous belt is connected with the movable plate.
4. An automatic violin string winding and arranging machine as claimed in claim 1, wherein: the steel wire elastic tension mechanism comprises a main shaft seat fixed on the front vertical plate and a main shaft pivoted on the main shaft seat, wherein the main shaft is of a hollow structure, a containing cavity is formed in the main shaft, a pull rod is arranged at the first end of the main shaft and inserted into the containing cavity, the pull rod is connected with the main shaft through a pin shaft, a hexagonal sliding rod is arranged at the second end of the main shaft and inserted into the containing cavity, the hexagonal sliding rod is in sliding fit with the main shaft, a positioning sleeve is sleeved at the second end of the main shaft and is connected with the main shaft through a screw, a hexagonal hole for the hexagonal sliding rod to extend out is formed in the positioning sleeve, the hexagonal sliding rod extending out of the positioning sleeve is connected with a wire core bead head hook, and a spring is arranged between the pull rod and the hexagonal sliding rod.
5. The automatic violin string winding and arranging machine according to claim 4, wherein: the end part of the pull rod is provided with a first spring hook, the end part of the hexagonal sliding rod is provided with a second spring hook, and two ends of the spring are respectively hung on the first spring hook and the second spring hook.
6. An automatic violin string winding and arranging machine as claimed in claim 1, wherein: the steel wire clamping mechanism comprises a rotating shaft, a chuck sleeve sleeved at one end of the rotating shaft, a conical sleeve connected with the chuck sleeve, a movable shaft and a plurality of clamping pieces, wherein the chuck sleeve comprises a cylindrical part and a conical part, a cavity is formed in the cylindrical part, one end of the rotating shaft stretches into the cavity, the movable shaft is inserted from one end of the conical part, a spring is arranged between the end of the movable shaft and the end of the rotating shaft, a plurality of limit grooves are formed in the peripheral surface of the movable shaft, the movable shaft is inserted into the inner side of the clamping piece through the limit grooves, a travel groove is formed in the conical part corresponding to the limit grooves, the outer side of the clamping piece is arranged in the travel groove, a wire passing hole for a steel wire to pass through is formed in the movable shaft, anti-slip teeth are formed in the inner side surface of the clamping piece, and the inclination is consistent with the inclination of the inner wall of the conical sleeve.
7. The automatic violin string winding and arranging machine according to claim 6, wherein: one end of the movable shaft is provided with a conical opening for the steel wire to enter, and the conical opening is communicated with the wire passing hole.
8. The automatic violin string winding and arranging machine according to claim 6, wherein: one end of the movable shaft is provided with a groove, and one end of the spring is arranged in the groove.
9. The automatic violin string winding and arranging machine according to claim 6, wherein: the guide rod is provided with a sliding plate and a fixed plate, the sliding plate is in sliding fit with the guide rod, the fixed plate is fixedly connected with the guide rod, the rotating shaft is fixed on the sliding plate through a bearing seat, the fixed plate is provided with a wire clamping cylinder, and a telescopic rod of the wire clamping cylinder is connected with the sliding plate; and a stop block matched with the movable shaft is also arranged on the guide rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910168328.7A CN109920395B (en) | 2019-03-06 | 2019-03-06 | Automatic winding and arranging machine for violin strings |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910168328.7A CN109920395B (en) | 2019-03-06 | 2019-03-06 | Automatic winding and arranging machine for violin strings |
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| Publication Number | Publication Date |
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| CN109920395A CN109920395A (en) | 2019-06-21 |
| CN109920395B true CN109920395B (en) | 2023-05-05 |
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| CN201910168328.7A Active CN109920395B (en) | 2019-03-06 | 2019-03-06 | Automatic winding and arranging machine for violin strings |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111951750A (en) * | 2020-08-21 | 2020-11-17 | 刘春辉 | Piano string winding and buckling 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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| CN109920395A (en) | 2019-06-21 |
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