CN207099329U - A Voice Coil Skeleton Forming Machine - Google Patents

Abstract

The utility model provides a voice coil framework forming machine, which comprises a Mylar feeding unit, a bearing platform, a Mylar sucking unit, a Mylar cutting unit, an alcohol smearing unit, a pin sucking unit and an assembling unit; the wheat straw feeding unit conveys continuous wheat straws to the bearing table, the wheat straw sucking unit places the wheat straws on the bearing table on the assembling unit, and the wheat straw cutting unit cuts off the wheat straws on the bearing table; the alcohol smearing unit smears the Mylar strips on the assembly unit to obtain connecting points smeared with alcohol; the pin suction unit places the pin at the connection point. In the utility model, through the cooperation of workers, the voice coil framework forming machine can produce voice coil frameworks, and the difference between the voice coil frameworks is low; in the operation process of workers, the labor intensity is reduced, and the vision is not influenced; for production enterprises, the number of workers is greatly reduced, the cost of workers is reduced, and meanwhile, the working efficiency is improved, so that the enterprise development is facilitated.

Description

A Voice Coil Skeleton Forming Machine

technical field

The utility model relates to the technical field of mechanical automation, in particular to a voice coil skeleton forming machine.

Background technique

As shown in Figure 1, the voice coil bobbin is an important component of the speaker voice coil. The voice coil frame is composed of a mylar coil 1 , a coil group 2 and pins 3 .

In traditional production, the voice coil skeleton is produced manually, specifically: the outer surface of Mylar coil 1 and the inner surface of coil group 2 have self-adhesive glue, which will dissolve and become sticky when it encounters alcohol. After the alcohol volatilizes, it will automatically The viscous glue will stick to the contact object; the workers apply alcohol on the connection point on the outer surface of the Mylar coil 1, and then paste the pin 3 on the connection point, and get a semi-finished product after the alcohol evaporates; the worker paints on the inner surface of the coil group 2 Alcohol, and then set the coil group 2 outside the semi-finished product, and wait for the alcohol to volatilize to obtain the voice coil skeleton; finally, weld the coil group 2 and pin 3 on the voice coil skeleton to use.

The traditional production method has the following disadvantages: (1) Due to the uneven skills of the workers, the positions of the coil group and the pins are not uniform, and even substandard products appear, which brings inconvenience to the subsequent welding process; (2) The voice coil skeleton The small size will affect the eyesight of workers after working for a long time, which is not conducive to the physical and mental health of workers; (3) The efficiency of manual production is low, and the labor cost is high, which is not conducive to the development of enterprises.

Utility model content

The technical problem to be solved by the utility model is to provide a voice coil bobbin forming machine based on the above-mentioned deficiencies in the prior art, which is used to reduce the difference between the voice coil bobbins, reduce the labor intensity of workers, reduce labor costs, and improve work efficiency .

The technical scheme of the utility model is as follows:

A voice coil skeleton forming machine, comprising a Mylar strip feeding unit, a carrying table, a Mylar strip suction unit, a Mylar strip cutting unit, an alcohol rubbing unit, a pin suction unit, and an assembly unit;

The Mylar strip feeding unit transports the continuous Mylar strips to the loading platform, the Mylar strip suction unit places the Mylar strips on the loading platform in the assembly unit, and the Mylar strip cutting unit will The mylar strips on the carrying platform are cut off;

The alcohol rubbing unit rubs the Mylar strip on the assembly unit to obtain the connection point coated with alcohol; the pin suction unit places the pin on the connection point;

The assembly unit includes an adsorption shaft, an expansion sleeve and a chuck;

The side of the adsorption shaft is provided with a number of circumferentially distributed first suction holes, the side of the expansion sleeve is provided with deformation reserved slits and a number of circumferentially distributed positioning through holes, the expansion sleeve is sleeved outside the adsorption shaft, and the The first suction hole communicates with the positioning through hole; the first suction hole generates a negative pressure, so that the Mylar strip is adsorbed outside the expansion sleeve through the positioning through hole, and driven by the adsorption shaft Circle;

The chuck is arranged outside the expansion sleeve. When the chuck is clamped, the expansion sleeve is compressed to make the expansion sleeve shrink inward; when the chuck is opened, the expansion sleeve expands outward and recovers. Simultaneously, the Mylar strip adsorbed on the outside of the expansion sleeve is expanded.

Further, a mounting plate is provided outside the adsorption rotating shaft, and driving cylinders are provided at both ends of the mounting plate, and the chuck is in transmission connection with the driving cylinder, and the driving cylinder drives the chuck to close or expand.

Further, the Mylar strip feeding unit includes an unwinding wheel and a feeding assembly, and the feeding assembly includes a driven roller and a driving roller arranged up and down; continuous Mylar strips are arranged on the driven roller and the driving roller between, and sent out from the unwinding wheel to the carrying platform driven by the drive roller.

Further, a chute is provided on the surface of the carrying platform, and a second suction hole is provided in the chute; the second suction hole generates a negative pressure, so that the Mylar strip is closely attached to the chute.

Further, a Mylar strip length detection unit is also arranged between the Mylar strip feeding unit and the carrying platform; the Mylar strip length detection unit includes a limit clip and a proximity switch, and the proximity switch is arranged at the limit position. bit clip middle bottom;

When the Mylar strip feeding unit conveys the continuous Mylar strips, the Mylar strips pass through the limit clip, and the Mylar strip suction unit does not operate; as the Mylar strip feeding unit continuously conveys the Mylar Mylar strips are in a parabolic shape and gradually extend toward the bottom of the limit clip. When the proximity switch can detect the Mylar strips, the Mylar strip feeding unit stops conveying the Mylar strips.

Further, the Mylar strip suction unit includes a first suction nozzle and a first moving mechanism; driven by the moving mechanism, the first suction nozzle places the Mylar strip on the carrying platform on the described above to locate the through-hole surface.

Further, the Mylar strip cutting unit includes a cutter head and a second moving mechanism; driven by the second moving mechanism, the cutter head cuts the Mylar strip on the carrying platform.

Further, the alcohol rubbing unit includes a rubbing head, an alcohol bottle, and a third moving mechanism; Driven by it, it is rubbed on the mylar strip adsorbed on the outside of the expansion sleeve to obtain a connection point coated with alcohol.

Further, the pin suction unit includes a pin discharge seat, a second suction nozzle and a fourth moving mechanism; driven by the fourth moving mechanism, the second suction nozzle puts the pins Pins within the housing are placed at the connection points.

Compared with the prior art, the utility model has the following beneficial effects: through the cooperation of workers, the voice coil bobbin forming machine can produce voice coil bobbins, and the difference between voice coil bobbins is low; during the operation process of workers, the labor intensity is reduced , will not affect eyesight, which is beneficial to the physical and mental health of workers; for production enterprises, the number of employees is greatly reduced, the cost of workers is reduced, and work efficiency is improved at the same time, which is beneficial to the development of enterprises.

Description of drawings

Figure 1 is a schematic structural view of the voice coil bobbin.

Fig. 2 is a schematic structural view of an embodiment of the utility model.

Fig. 3 is a front view of the embodiment of the utility model (the dotted line is the Mylar bar).

Fig. 4 is a schematic structural view of the assembly unit of the embodiment of the present invention.

Fig. 5 is a structural schematic diagram of a Mylar strip feeding unit and a Mylar strip length detection unit according to an embodiment of the present invention.

Fig. 6 is a schematic structural view of the carrying platform of the embodiment of the present invention.

Fig. 7 is a structural schematic diagram of the Mylar strip absorbing unit, the Mylar strip cutting unit, the alcohol rubbing unit and the pin absorbing unit of the embodiment of the present invention.

reference sign

10. Mylar strip feeding unit; 11. Unwinding wheel, 12. Feeding component;

20, bearing platform, 21, chute, 22, second suction hole;

30. Mylar strip suction unit, 31. The first suction nozzle, 32. The first moving mechanism;

40. Mylar strip cutting unit, 41. Cutter head, 42. Second moving mechanism;

50. Alcohol wiping unit, 51. Wiping head, 52. Third moving mechanism;

60. Pin suction unit, 61. Pin discharge seat, 62. Second suction nozzle,

63. The fourth moving mechanism;

70. Assembly unit, 71. Adsorption shaft, 72. Expansion sleeve, 721. Deformation reserved seam,

722, positioning through hole, 73, chuck, 731, mounting plate, 732, driving cylinder;

80. Mylar strip length detection unit, 81. Limit clip.

Detailed ways

In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings.

As shown in Figure 2 and Figure 3, the embodiment provided by the utility model is a voice coil skeleton forming machine, which includes a Mylar strip feeding unit 10, a loading platform 20, a Mylar strip suction unit 30, and a Mylar strip cutting unit 40 . The alcohol wiping unit 50 , the pin suction unit 60 and the assembly unit 70 .

The Mylar feeding unit 10 transports the continuous Mylar strips to the loading platform 20, the Mylar strip suction unit 30 places the Mylar strips on the loading platform 20 on the assembly unit 70, and the Mylar strip cutting unit 40 places the Mylar strips on the loading platform 20 Mylar strips cut off.

The alcohol rubbing unit 50 rubs the Mylar strip on the assembly unit 70 to obtain the connection point coated with alcohol; the pin suction unit 60 places the pin on the connection point.

As shown in FIG. 4 , the assembly unit 70 includes a suction rotating shaft 71 , an expansion sleeve 72 and a chuck 73 .

The side of the adsorption shaft 71 is provided with a number of circumferentially distributed first suction holes (not shown in the figure), the side of the expansion sleeve 72 is provided with a deformation reserved slit 721 and a number of circumferentially distributed positioning through holes 722, and the expansion sleeve 72 is sleeved on the adsorption Outside the rotating shaft 71, and the first suction hole communicates with the positioning through hole 722; the first suction hole generates a negative pressure, so that the Mylar bar is adsorbed outside the expansion sleeve 72 through the positioning through hole 722, and circles under the drive of the adsorption rotating shaft 71 .

The chuck 73 is arranged outside the expansion sleeve 72. When the chuck 73 is clamped, the expansion sleeve 72 is compressed to make the expansion sleeve 72 shrink inwardly; Outer circle of Mylar expands.

The adsorption rotating shaft 71 is provided with a mounting plate 731, and the two ends of the mounting plate 731 are provided with driving cylinders 732, the chuck 73 is connected to the driving cylinder 732, and the driving cylinder 732 drives the chuck 73 to draw or open.

As shown in Figure 5, the Mylar strip feeding unit 10 includes an unwinding wheel 11 and a feeding assembly 12, and the feeding assembly 12 includes a driven roller and a driving roller arranged up and down; continuous Mylar strips are arranged on the driven roller and the driving roller. Between the rollers, it is sent out from the unwinding wheel 11 to the loading platform 20 under the drive of the driving roller.

As shown in Figure 5, a Mylar strip length detection unit 80 is also provided between the Mylar strip feeding unit 10 and the carrying platform 20; the Mylar strip length detection unit 80 includes a limit clamp 81 and a proximity switch (not shown in the figure). ), the proximity switch is arranged at the middle bottom of the limit clip 81 .

When the Mylar strip feeding unit 10 conveys the continuous Mylar strip, the Mylar strip passes through the limit clamp 81, and the Mylar strip suction unit 30 does not work; as the Mylar strip feeding unit 10 continuously conveys the Mylar strip, The Mylar strip is in a parabolic shape and gradually extends to the bottom of the limit clamp 81. When the proximity switch can detect the Mylar strip, it means that the length of the Mylar strip meets the requirements, and the Mylar strip feeding unit 10 stops conveying the Mylar strip.

As shown in FIG. 6 , a chute 21 is provided on the surface of the carrying platform 20 , and a second suction hole 22 is provided in the chute 21 ;

As shown in Figure 7, the Mylar strip suction unit 30 includes a first suction nozzle 31 and a first moving mechanism 32; driven by the moving mechanism, the first suction nozzle 31 places the Mylar strip on the carrying platform 20 in a fixed position. The surface of the through hole 722 .

As shown in FIG. 7 , the Mylar cutting unit 40 includes a cutter head 41 and a second moving mechanism 42 ; driven by the second moving mechanism 42 , the cutter head 41 cuts the Mylar on the carrier platform 20 .

As shown in Figure 7, the alcohol wiping unit 50 includes a wiping head 51, an alcohol bottle (not shown) and a third moving mechanism 52; the alcohol bottle communicates with the wiping head 51 through a hose, and the wiping head 51 Driven by the third moving mechanism 52, the Mylar strip adsorbed on the outside of the expansion sleeve 72 is rubbed to obtain the connection point coated with alcohol.

As shown in Figure 7, the pin suction unit 60 includes a pin discharge seat 61, a second suction nozzle 62 and a fourth moving mechanism 63; The pins in the discharge seat 61 are placed at the connection points.

How this example works:

(1) The Mylar strip feeding unit 10 operates: the feeding component 12 operates to release the continuous Mylar strip from the unwinding wheel 11; the Mylar strip suction unit 30 does not operate, and the second suction hole 22 on the surface of the carrying platform 20 is generated Negative pressure makes the Mylar stick close to the chute 21;

(2) The mylar strip passes through the limit clamp 81, and the mylar strip is in a parabolic shape and gradually extends to the bottom of the limit clamp 81. When the proximity switch can detect the mylar strip, it means that the length of the mylar strip meets the requirements. Mylar bar feeding unit 10 stops conveying Mylar bar;

(3) The second suction hole 22 on the surface of the loading platform 20 stops generating negative pressure, the Mylar strip suction unit 30 operates, the first suction nozzle 31 generates negative pressure and sucks the Mylar strip, and the first moving mechanism 32 drives the first suction nozzle 31 movement, place the Mylar strip on the carrying platform 20 on the surface of the positioning through hole 722, at this time, the chuck 73 should clamp the expansion sleeve 72, and the expansion sleeve 72 shrinks;

(4) The assembly unit 70 operates, and the first suction hole generates negative pressure, so that the Mylar strip is adsorbed outside the expansion sleeve 72 through the positioning through hole 722, and is driven by the adsorption shaft 71 to circle; at the same time, the Mylar strip cutting unit 40 operation, the cutter head 41 is driven by the second moving mechanism 42 to cut off the Mylar strip on the carrying platform 20 to obtain the Mylar ring;

(5) The alcohol rubbing unit 50 operates, and the rubbing head 51 is driven by the third moving mechanism 52 to rub on the Mylar strip adsorbed on the outside of the expansion sleeve 72 to obtain the connection point coated with alcohol; (6 ) The pin suction unit 60 operates, and the second suction nozzle 62 is driven by the fourth moving mechanism 63 to place the pins in the pin discharge seat 61 at the connection point; obtain the Mylar ring connected with the pins;

(7) When the assembly unit 70 is in operation, the worker puts the coil group coated with alcohol on the inner surface outside the Mylar coil; Expand and make the outer surface of the Mylar coil closely adhere to the inner surface of the coil group; after the alcohol volatilizes, the voice coil skeleton is obtained;

(8) Finally, solder the coil and pins on the voice coil frame to use.

In this embodiment, no detailed structural description is made for the first moving mechanism, the second moving mechanism, the third moving mechanism, the fourth moving mechanism, the mechanism for rotating, the mechanism for generating negative pressure, etc., the above mechanisms The specific structures are technical means commonly used by those skilled in the art.

What is disclosed above is only a preferred embodiment of the utility model, and of course it cannot limit the scope of rights of the utility model. Therefore, equivalent changes made according to the claims of the utility model still fall within the scope of the utility model.

Claims (9)

1. A kind of 1. speech coil framework forming machine, it is characterised in that：Include wheat tie rod feeding unit, plummer, wheat tie rod and draw list Member, wheat tie rod cutting unit, alcohol rub unit, pin suction unit and module units；

   Continuous wheat tie rod is transported to the plummer by the wheat tie rod feeding unit, and the wheat tie rod suction unit is by described in Wheat tie rod on plummer is placed on module units, and the wheat tie rod cutting unit cuts off the wheat tie rod on the plummer；

   The alcohol rub unit is embrocated on the wheat tie rod on module units, obtains applying spirituous tie point；It is described Pin is placed on tie point by pin suction unit；

   The module units includes absorption rotating shaft, expanding sheath and chuck；

   The absorption rotating shaft side is provided with the first sucker of some circle distributions, and the expanding sheath side is provided with deformation and reserved The positioning through hole of seam and some circle distributions, the expanding sheath is sheathed on outside the absorption rotating shaft, and first sucker and institute State positioning through hole connection；First sucker produces negative pressure, wheat tie rod is adsorbed by the positioning through hole in the expanding sheath Outside, and it is described absorption rotating shaft drive under pitch of the laps；

   The chuck is arranged at outside the expanding sheath, and when the chuck clamps, compressing the expanding sheath makes the expanding sheath inside Shrink；When the chuck opens, the expanding sheath expands outwardly recovery, while makes Mai Latiaoquan of the absorption outside the expanding sheath Expansion.
2. A kind of 2. speech coil framework forming machine according to claim 1, it is characterised in that：Peace is arranged with outside the absorption rotating shaft Loading board, the installing plate are provided at both ends with drive cylinder, and the chuck is connected with the drive cylinder, the drive cylinder The chuck is driven to collapse or open.
3. A kind of 3. speech coil framework forming machine according to claim 1, it is characterised in that：The wheat tie rod feeding unit includes There are unreeling wheel and feeding material component, the feeding material component includes driven voller and drive roll setting up and down；Continuous wheat tie rod is set It is placed between the driven voller and drive roll, and passes out to the plummer from unreeling wheel under the drive of the drive roll.
4. A kind of 4. speech coil framework forming machine according to claim 1, it is characterised in that：The carrier-table surface is provided with cunning Groove, the second sucker is provided with the chute；Second sucker produces negative pressure, wheat tie rod is close in the chute.
5. A kind of 5. speech coil framework forming machine according to claim 1, it is characterised in that：The wheat tie rod feeding unit is with holding Wheat tie rod length detection unit is additionally provided between microscope carrier；The wheat tie rod length detection unit, which includes position limiting clamp and approached, to be opened Close, the proximity switch is arranged at the position limiting clamp central bottom；

   When the wheat tie rod feeding unit conveys continuous wheat tie rod, wheat tie rod passes through in the position limiting clamp, and wheat tie rod is inhaled Take unit inoperative；As the wheat tie rod feeding unit constantly conveys wheat tie rod, wheat tie rod parabolically shape and gradual Extend to the position limiting clamp bottom, when the proximity switch can detect wheat tie rod, the wheat tie rod feeding unit stops defeated Send wheat tie rod.
6. A kind of 6. speech coil framework forming machine according to claim 1, it is characterised in that：The wheat tie rod suction unit includes There are the first suction nozzle and the first travel mechanism；First suction nozzle is under the drive of the travel mechanism, on the plummer Wheat tie rod is placed on the positioning through hole surface.
7. A kind of 7. speech coil framework forming machine according to claim 1, it is characterised in that：The wheat tie rod cutting unit includes There are cutter head and the second travel mechanism；The cutter head draws the wheat on the plummer under the drive of second travel mechanism Bar is cut off.
8. A kind of 8. speech coil framework forming machine according to claim 1, it is characterised in that：The alcohol rub unit includes Apply rubbing head, vial and the 3rd travel mechanism；The vial is connected by flexible pipe with the painting rubbing head, and the painting rubbing head exists Under the drive of 3rd travel mechanism, embrocated in absorption on the wheat tie rod outside the expanding sheath, obtain scribbling alcohol Tie point.
9. A kind of 9. speech coil framework forming machine according to claim 1, it is characterised in that：The pin suction unit includes Pin blowing seat, the second suction nozzle and the 4th travel mechanism；Second suction nozzle under the drive of the 4th travel mechanism, Pin in the pin blowing seat is placed on the tie point.