KR100408712B1 - apparatus of manufacturing film for spacer material of condenser microphone and manufacturing method thereof - Google Patents

Abstract

The present invention relates to an apparatus for manufacturing a film for a spacer material of a condenser microphone and a method for manufacturing the same. More particularly, the apparatus for manufacturing a film for spacer material according to the present invention is a spacer film supply device for continuously supplying a spacer film. ; A primary piercing punch for removing scrap from the spacer film to form an inner diameter of the spacer; A collection bin located below the primary piercing punch for collecting scrap; A secondary blanking punch for removing the spacer portion from the spacer film to form an outer diameter of the spacer; And a condenser microphone supply device for supplying a condenser microphone in a semi-assembled state in which the spacer is to be seated under the secondary blanking punch. The primary piercing punch and the secondary blanking punch are provided with a vacuum suction hole in the contact surface with the spacer film, thereby maintaining the vacuum state when punching and releasing the vacuum state after punching the primary piercing punch to the collection The scrap, the secondary blanking punch is characterized in that for supplying the spacer to the condenser microphone of the semi-assembled state, respectively.

Description

Apparatus of manufacturing film for spacer material of condenser microphone and manufacturing method

The present invention relates to an apparatus for manufacturing a film for a spacer material of a condenser microphone, and a method for manufacturing the same. More specifically, the condenser microphone can be freely detached from a mold after primary and secondary punching by a sequential transfer mold. The present invention relates to a space film manufacturing apparatus and a method of manufacturing the same, which allow the spacer to be seated in the product case at the time of assembly, thereby enabling automatic production, thereby improving productivity while reducing costs.

In general, the internal components of a condenser microphone are very precise and sensitive to external electrical noise, so that sound inlets are formed and laminated sealed in a metal case to provide sufficient protection against dust and debris penetration and electrical noise.

The condenser microphone is used to convert the change in capacitance caused by sound waves into an electrical signal. The shape of the spacer, which is an assembly part of the microphone, has a predetermined thickness and a donut shape. This part is used to insulate between the plates.

However, in the related art, as shown in FIG. 11, the press mold processing method is composed of a complex type, and after the punching, the spacer 115 is blown with the compressed air 113 to separate the spacer 115 from the mold 114. The parts were washed, dried and dyed and placed in a box or a transportable tool 116 to be transported to a separate spacer assembly site, and then the worker picked them by hand with a pair of forceps and put them in a case.

In the conventional manufacturing method as described above, since the mold structure is complex, the mold is very complicated, and there is no problem in removing and removing the scrap, which is the product and the product left.

In addition, another manufacturing device, the sequential transfer type, makes the inner diameter of the spacer by first punching the film during the spacer manufacturing process, and the outer diameter of the spacer by the second punching. At this time, the mold is considered in consideration of the assembling process of the microphone. Although the assembly process of the microphone is visually confirmed, but the punch is long, when the parts are punched by the conventional mold structure, an error is caused by the length of the punch, which significantly reduces the punch life due to the wear of the punch. There are a plurality of problems, such as a product requiring ultra-precision processing or difficult to precision processing.

The present invention has been made in order to solve such a conventional problem, the punching residues such as scraps and spacers in a vacuum state during the primary punching punching the inner diameter of the spacer and the secondary punching punching the outer diameter of the spacer is taken out through a vacuum The object of the present invention is to automate the condenser microphone process and to prevent the breakdown caused by scraping by allowing spacer assembly work to be performed simultaneously with the punching operation. Another object of the present invention is to integrate a stripper and a die into a condenser microphone, When the punch reaches the upper limit when the parts are punched out, the punch always stays stuck in the punch hole without leaving the stripper, so super precision machining is easy, and the punch life is extended by eliminating errors occurring in the punch. Is extended so that the punch change interval is extended In order to achieve the above object, an apparatus for manufacturing a film for a spacer material of a condenser microphone according to the present invention includes a hole formed at the center thereof. A plurality of guide post pins are used to connect the lower plate, which combines the primary die and stripper insert block having a plurality of holes vertically through the upper plate and the spacer film, and the die plate on which the secondary die and stripper insert block is seated and fixed. and,

The cylinder is mounted on an upper portion of the hole formed in the center of the upper plate, and the rod coupled to the center of the cylinder passes through the hole of the upper plate, and is coupled to the guide post pin to guide the guide post pin. To the holder, punch back plate, punch fixing plate,

A plurality of air suction holes are formed on the front and the rear of the holder, respectively, and a hose connected to a vacuum ejector is connected to the formed hole, and the air suction hole is connected to the punch back plate and the punch fixing plate, and a hole is formed at the center of the air. It is connected to the primary piercing punch and the secondary blanking punch for suction and discharge, so that the lower surface of the primary piercing punch and the secondary blanking punch can be vacuumed,

Under the first piercing punch and the second blanking punch, the first piercing punch and the second blanking punch punch the spacer film and then pass through the secondary diane stripper insert block seated on the lower plate in vacuum. Release the vacuum in the case that is automatically supplied to the bottom of the lower plate to automatically supply the spacer into the case, and the first piercing punch and the second blanking punch are raised to the top again by the operation of the cylinder. The apparatus for producing a film for a spacer material of a condenser microphone according to the present invention comprises: a spacer film supply device for continuously supplying a spacer film; A primary piercing punch for removing scrap from the spacer film to form an inner diameter of the spacer; A collection bin located below the primary piercing punch for collecting scrap; A secondary blanking punch for removing the spacer portion from the spacer film to form an outer diameter of the spacer; And a condenser microphone supply device for supplying a condenser microphone in a semi-assembled state in which the spacer is to be seated under the secondary blanking punch; The primary piercing punch and the secondary blanking punch are provided with a vacuum suction hole in the contact surface with the spacer film, thereby maintaining the vacuum state when punching and releasing the vacuum state after punching the primary piercing punch to the collection The secondary blanking punch is characterized in that for supplying the spacers to the semi-assembled condenser microphones, respectively. Finally, the method for producing a film for the spacer material of the condenser microphone according to the present invention is a rolled state. A first step of releasing the spacer film to continuously supply the spacer film; The spacer film is punched using a primary piercing punch to form an inner diameter of the spacer, and when punching, the primary piercing is carried out while the vacuum suction hole formed in the bottom of the primary piercing punch is maintained in a vacuum state. A second step of releasing the vacuum state of the vacuum suction hole of the primary piercing punch and taking out the scrap into the collection box located below the primary piercing punch after further punching; Punching the spacer film using a secondary blanking punch to form a spacer, while punching the secondary blanking punch while the spacer is compressed by maintaining a vacuum suction hole formed in the bottom of the secondary blanking punch in a vacuum state A third step of releasing the vacuum state of the vacuum suction hole of the secondary blanking punch and then seating the spacer on the semi-assembled condenser microphone located below the secondary blanking punch; And a fourth step of winding the spacer film after the spacer punching is completed in a rolled state.

BRIEF DESCRIPTION OF THE DRAWINGS The whole structure schematic of the spacer die which manufactures the film for spacer materials of this invention.

Figure 2 is an overall process operating state for producing a film for the spacer material of the present invention

Figure 3 is an exploded perspective view of the spacer mold operation of the present invention

4 is a plan view of the primary and secondary stripper and diblock of the present invention;

Figure 5 is a front view of the film is inserted into the present invention stripper diblock

Figure 6 is an operation state diagram of the space mold showing the production process of the spacer mold of the present invention and the form of scrap after punching

7 is a structural diagram of a state in which a primary piercing punch and a secondary blanking punch of the present invention reach an upper limit point;

8 is a production process diagram showing a process in which a product is manufactured while a spacer film is input using the inventive spacer mold.

Figure 9 is a process diagram of assembling the spacer film in the case after the secondary punching of the spacer mold of the present invention

10 is a structural state diagram of a hole showing a state in which vacuum air is introduced into the air intake hole of the present invention

11 is a conventional space manufacturing process chart

<Description of Symbols for Main Parts of Drawings>

10: guide post pin 12: holder

14: air intake hole 16: punch back plate

18: punch fixing plate 20: die plate

(22): primary piercing punch (24): secondary blanking punch

(26): Primary die and stripper insert block

(28): 2nd die and stripper insert block

30: loading part 32: unloading part

34: spacer film 36 case

38: cylinder 40: top plate

(42): lower plate 44: rod

46: Hall 48: Hall

50: hose 52: vacuum ejector

54: hole 56: spacer

58: scrap 60: stripper

(62): die

Referring to the configuration and operation of the present invention in detail with reference to the accompanying drawings as follows.

1 is a schematic view of the overall configuration of a spacer mold for producing a film for spacer material of the present invention;

Figure 2 is an overall process operating state of producing a film for spacer material of the present invention,

3 is an exploded perspective view of the spacer mold operation part of the present invention;

4 is a plan view of the primary and secondary die and stripper insert blocks of the present invention;

5 is a front view of a state in which a film is inserted into the stripper diblock of the present invention;

6 is an operation state diagram of the space mold showing the production process of the spacer mold of the present invention and the form of scrap after punching,

7 is a structural diagram of a state in which the primary piercing punch and the secondary blanking punch of the present invention have reached the upper limit;

8 is a production process diagram showing a process in which a product is manufactured while a spacer film is input using the spacer mold according to the present invention;

9 is a process diagram of assembling a spacer film in a case after the secondary punching of the spacer mold of the present invention;

10 is a structural state diagram of a hole showing a state in which air is introduced into the air intake hole of the present invention.

The upper plate 40 and the spacer film 34 having a hole 46 formed therein, and the primary die and stripper insert block 26 having a plurality of holes 48 and 48a vertically, and the secondary die and stripper The lower plate 42 to which the die plate 20 to which the insert block 28 is seated and fixed is coupled is coupled to the plurality of guide post pins 10.

The cylinder 38 is mounted on an upper portion of the hole 46 formed at the center of the upper plate 40, and the rod 44 coupled to the center of the mounted cylinder 38 is disposed in the hole 46 of the upper plate 40. Through and coupled to the guide post pin 10 is coupled to the holder 12 and the punch back plate 16, the punch fixing plate 18 is integrally coupled to be guided and operated up and down,

A plurality of air intake holes 14 are formed on the front and rear surfaces of the holder 12, respectively, and a hose 50 connected to the vacuum ejector 52 is connected to the formed air intake holes 14.

The air intake hole 14 is connected to the punch back plate 16 and the punch fixing plate 18, and a hole 54 is formed at the center thereof, so that the primary piercing punch 22 and the secondary to intake and discharge the vacuum air are formed. Connected to the blanking punch 24 so that the lower surfaces of the primary piercing punch 22 and the secondary blanking punch 24 can be vacuumed,

The primary piercing punch 22 and the secondary blanking punch 24 are formed on the lower portion of the primary piercing punch 22 and the secondary blanking punch 24 after punching the spacer film 34. The vacuum is released from the case 36, which is automatically supplied to the bottom of the lower plate 42 by passing through the secondary diane stripper insert block 28 seated on the lower plate 42 in a vacuum state. 56 is automatically supplied into the case 36 and the primary piercing punch 22 and the secondary blanking punch 24 are raised upward again by the operation of the cylinder 38, and the above process is repeatedly performed. It is composed of.

The operation of the present invention is as follows.

A hole 46 having a predetermined size is formed in the center of the upper plate 40.

Primary die and stripper insert blocks 26 having a plurality of holes 48 and 48a through which spacer films 34 are sequentially and uniformly introduced at the bottom of the lower bottom of the upper plate 40, and secondary dians The lower plate 42 is connected to the plurality of guide post pins 10 by a die plate on which the stripper insert block 28 is seated and fixed.

The spacer film 34 has an unloading part 32 after the spacer film 34 withdrawn from the loading part 30 passes through the primary die and stripper insert block 26 and the secondary die and stripper insert block 28. ), The spacer 56 of constant size is separated from the spacer film 34, and the remaining scrap 58 is automatically wound, until the spacer film 34 mounted on the loading unit 30 is completely supplied. The work process can be continued.

The spacer film 34 mounted on the loading part 30 passes through the first die and stripper insert block 26 and the second die and stripper insert block 28, and then is inserted into the case 36. After manufacturing, if the spacer film 34 is mounted on the loading unit 30 again, the operation may be continued except for the time of replacing the spacer film 34.

The primary die and stripper insert block 26 and the secondary die and stripper insert block 28 are manufactured by processing the stripper 60 and the die 62 into one block, and the primary die and stripper insert block 26. And, the second die and stripper insert block 28 to pass through the thickness larger than the thickness of the spacer film 34 so that the spacer film 34 can be freely supplied, the upper part is a stripper on the basis of the penetration, the lower part Is to act as a die.

The primary piercing punch 22 and the secondary blanking punch 24 are not formed of the primary punching and the secondary punching separately, but the two integral primary punching strippers &amp; The die blocks 26 and 28 are secured.

The cylinder 38 is mounted on the upper portion of the hole 46 formed in the center of the upper plate 40, and the rod 44 coupled to the center of the cylinder 38 passes through the hole 46 of the upper plate 40. It is coupled to the guide post pin 10 is coupled to the holder 12 and the punch back plate, punch fixing plate integrally coupled to be guided to the guide post pin 10 to operate vertically.

When the cylinder 38 is operated, the cylinder 38 pushes the rod 44 downward, and the rod 44 which is tensioned downward has an integral holder 12 and a punch back plate coupled to the rod 44. 16, the punch fixing plate 18 is pushed downward, and the ends of the holder 12, the punch back plate 16, and the punch fixing plate 18 are guide guide pins 10 penetrated to support the guide post pins ( It will be guided up and down along 10).

The holder 12, the punch back plate 16, and the punch fixing plate 18 are guided to the guide post pin 10 to repeatedly move up and down.

A plurality of air suction holes 14 are formed on the front and rear surfaces of the holder 12, respectively, and a hose 50 connected to the vacuum ejector 52 is connected to the formed air suction holes 14.

Vacuum air continuously flows from the vacuum ejector 52 and the introduced vacuum air flows through the air suction hole 14 to the holder 12, the punch back plate 16, and the punch fixing plate 18, which are inside the mold apparatus. It will be flowed into.

The introduced vacuum air passes through the holder 12, the punch back plate 16, and the punch fixing plate 18, and then a hole 54 is formed in the center thereof, whereby the primary piercing punch 22 is used to suck and discharge air. ) And the secondary blanking punch 24 so that the lower surfaces of the primary piercing punch 22 and the secondary blanking punch 24 can be vacuumed.

After the first piercing punch 22 and the second blanking punch 24 are formed, the first piercing punch 22 and the first circular hole are formed to first form holes having a small diameter in the spacer film 34. The secondary blanking punch 24 having a diameter larger than the size of the circular hole formed by the primary piercing punch 22 punches the spacer film 34 to produce a donut-shaped spacer 56.

After the donut-shaped spacer 56 is manufactured, the punched spacer 56 passes through the hole 48a of the secondary diane stripper insert block 28 seated on the lower plate 42 in a vacuum state. The blanking punch 24 is inserted into the case 36, which is automatically supplied for assembly of the spacer 56 of the condenser microphone, which is automatically supplied to the bottom of the lower plate 42, and then the vacuum state is released to release the spacer 56. It will be automatically supplied to the case 36.

When the primary piercing punch 22 primarily forms a small hole, the small circular scraps formed pass through the hole 48 formed in the scrap primary die and stripper insert block. When the vacuum of the primary piercing punch 22 is released in the closed state, the circular scrap film falls to the collection box mounted on the bottom of the bottom.

The primary piercing punch 22 and the secondary blanking punch 24 are raised to the top again by the operation of the cylinder 38 to perform the above process repeatedly.

The primary piercing punch 22 and the secondary blanking punch 24 are mounted so as not to escape the stripper even when the cylinder 38 moves to the upper limit by the operation of the cylinder 38.

When the mold apparatus is operated, the primary punching and the secondary punching are operated at the same time, so that the spacer film 34 is loaded at a predetermined stroke after the first punching to be set at the position of the secondary punching to continuously manufacture the spacer 56. Assembly can do that.

The present invention is not limited to the above-described specific preferred embodiments, and various modifications can be made by any person having ordinary skill in the art without departing from the gist of the present invention claimed in the claims. Of course, such changes will fall within the scope of the claims.

Therefore, the present invention improves the accuracy of spacers when manufacturing spacers by using a die and stripper insert block, which is used as a spacer material of a condenser microphone, and inserts them into the case by unmanned production during the production process. The invention has the effect of improving the microphone performance, shortening the production time, and supplying a high-performance product at a low price.

Claims (18)

delete delete delete delete A spacer film supply device for continuously supplying the spacer film; A primary piercing punch to remove scrap from the spacer film to form an inner diameter of the spacer; A collection point for collecting scrap located under the first piercing punch; A secondary blanking punch for removing a spacer portion from the spacer film to form an outer diameter of the spacer; And a condenser microphone supply device for supplying a condenser microphone in a semi-assembled state in which the spacer is to be seated under the secondary blanking punch; The primary piercing punch and the secondary blanking punch are provided with a vacuum suction hole in the contact surface with the spacer film, thereby maintaining the vacuum state when punching and releasing the vacuum state after punching the primary piercing punch to the collection And scrap, wherein the secondary blanking punch supplies the spacer to the condenser microphone in the semi-assembled state, respectively. The method of claim 5, A primary penetrating portion located between the primary piercing punch and the collection box, the film through portion through which the spacer film penetrates through the front and rear surfaces, and a primary piercing punch through portion through which the primary piercing punch penetrates through the top and front surfaces Diane stripper insert block; Located between the secondary blanking punch and the condenser microphone in the semi-assembled state, a film penetrating portion through which the spacer film penetrates through the front and rear surfaces, and a second blanking punch penetrating through the upper and front surfaces. An apparatus for producing a film for spacer material, further comprising a secondary diane stripper insert block having a portion. The method of claim 5 or 6; And said first piercing punch and said second blanking punch are punched simultaneously by the same cylinder. The method of claim 5 or 6; The spacer film supply device; A loading unit for drawing the spacer film to the first piercing punch and the second blanking punch by releasing the spacer film mounted in a roll state; And Apparatus for producing a film for a spacer material, characterized in that it comprises an unloading portion for winding the spacer film from which the spacer is removed by the secondary blanking punch and wound in a roll state again. The method of claim 7; The spacer film supply device; A loading unit for drawing the spacer film to the first piercing punch and the second blanking punch by releasing the spacer film mounted in a roll state; And And an unloading part which winds up the spacer film from which the spacer is removed by the secondary blanking punch and winds it back into a roll state. The method of claim 5 or 6; A plurality of the primary piercing punches and the secondary blanking punches are arranged side by side in the advancing direction of the spacer film; And the condenser microphone supplying device supplies condenser microphones in semi-assembled states equal to and equal to the number of the secondary blanking punches, respectively, to the lower portion of the secondary blanking punches. The method of claim 7; A plurality of the primary piercing punches and the secondary blanking punches are arranged side by side in the advancing direction of the spacer film; And the condenser microphone supplying device supplies condenser microphones in semi-assembled states equal to and equal to the number of the secondary blanking punches, respectively, to the lower portion of the secondary blanking punches. The method of claim 8; A plurality of the primary piercing punches and the secondary blanking punches are arranged side by side in the advancing direction of the spacer film; And the condenser microphone supplying device supplies condenser microphones in semi-assembled states equal to and equal to the number of the secondary blanking punches, respectively, to the lower portion of the secondary blanking punches. The method of claim 9; A plurality of the primary piercing punches and the secondary blanking punches are arranged side by side in the advancing direction of the spacer film; And the condenser microphone supplying device supplies condenser microphones in semi-assembled states equal to and equal to the number of the secondary blanking punches, respectively, to the lower portion of the secondary blanking punches. A first step of releasing the rolled spacer film and continuously supplying the spacer film; The spacer film is punched using a primary piercing punch to form an inner diameter of the spacer, and when punching, the primary piercing is carried out while the vacuum suction hole formed in the bottom of the primary piercing punch is maintained in a vacuum state. A second step of releasing the vacuum state of the vacuum suction hole of the primary piercing punch and taking out the scrap into the collection box located below the primary piercing punch after further punching; Punching the spacer film using a secondary blanking punch to form a spacer, while punching the secondary blanking punch while the spacer is compressed by maintaining a vacuum suction hole formed in the bottom of the secondary blanking punch in a vacuum state A third step of releasing the vacuum state of the vacuum suction hole of the secondary blanking punch and then seating the spacer on the semi-assembled condenser microphone located below the secondary blanking punch; And Method for producing a film for a spacer material, characterized in that it comprises a fourth step of winding the spacer film is completed in the spacer state rolled again. The method of claim 14; The punching of the second step and the third step, Method for producing a film for spacer material, characterized in that the spacer film penetrates through the front and rear, and the punch is through a die and insert block penetrating through the top and bottom. The method of claim 14 or 15; The second step and the third step is a method for producing a film for a spacer material, characterized in that at the same time. The method of claim 14 or 15; The second step simultaneously punches a plurality of the scraps, The third step is a method for producing a film for spacer material, characterized in that for punching a plurality of the spacer at the same time. The method of claim 16; The second step simultaneously punches a plurality of the scraps, The third step is a method for producing a film for spacer material, characterized in that for punching a plurality of the spacer at the same time.