KR101105418B1 - Annular band eyelet press mold device and manufacturing method of annular band eyelet using the same - Google Patents

Abstract

"의 형상으로 형성되어, 전자부품 홀과 접촉면이 맞지않고, 이격되기 때문에 납땜시 공기가 유입되어 제품의 유격발생 및 기포가 많이 발생되고, 압착력이 떨어지고, 이로 인해 전기흐름이 원활치 않아, 쇼트가 일어나는 문제점을 개선하고자, 하부다이, 다이백킹플레이트, 다이플레이트, 환형띠 아이렛용 홀스트립퍼로 이루어진 환형띠 아이렛 하부금형과, 상부다이, 펀치백킹플레이트, 펀치플레이트, 환형띠 아이렛용 펀치포켓로 이루어진 환형띠 아이렛 상부금형이 구성됨으로서, 상단부가 환형띠 형상으로 볼록하게 라운딩되어 갈고리 형상을 이루며 전자부품 홀과 접촉되는 면이 수평방향으로 편평하게 밀착시킬 수 있는 양질의 환형띠 아일렛을 제작할 수 있고, 무엇보다 완성된 환형띠 아이렛에 각각 에어흡입홀프레임의 에어튜브가 연결되어 완성된 환형띠 아이렛을 에어로 1:1 흡입시켜 캐비티선별로 복수개로 따로 분리배출시킬 수 있어, 기존 장치에 비해 에러제품선별과 에러교정이 빠르고, 생산성 증대와 재료비 절감을 90% 향상시킬 수 있는 환형띠 아이렛 프레스 금형장치 및 이를 이용한 환형띠 아이렛 제작방법을 제공하는데 그 목적이 있다.According to the present invention, since the existing eyelet mold apparatus cuts the upper end of the eyelet through the trimming punch from the top to the bottom, the end of the upper edge of the eyelet is pressed by the downward force of the trimming punch, so that when viewed in sectional view,

It is formed in the shape of ", and the contact surface of the electronic component hole and the contact surface is spaced apart, so that air is introduced during soldering, so that there is a lot of play and bubbles of the product, and the compressive force is reduced, resulting in a smooth electrical flow, short In order to improve the problem that occurs, an annular band eyelet consisting of a lower die, a die backing plate, a die plate, and an annular band eyelet, a lower mold, and an annular band consisting of an upper die, a punching backing plate, a punch plate, and an annular band eyelet punch pocket By forming the upper mold of the band eyelet, the upper part is rounded convexly in the shape of an annular band to form a hook shape, and a high quality annular band eyelet can be produced in which the surface contacting the hole of the electronic component can be brought into flat contact in the horizontal direction. The air tube of the air intake hole frame is connected to the annular band eyelet, The formed annular band eyelet can be separated and discharged separately by cavity by 1: 1 suction by air, so that the error product selection and error correction are faster than the existing devices, and the annular band that can increase productivity and reduce material cost by 90%. It is an object of the present invention to provide an eyelet press mold apparatus and an annular band eyelet manufacturing method using the same.

Description

Annular band eyelet press mold device and manufacturing method of annular band eyelet using same {THE APPARATUS AND METHOD OF FORMING EYELET WITH DONUT TYPE}

The present invention is an annular band eyelet press mold apparatus for forming an annular band eyelet that serves as a conductor by rounding the upper end convexly in an annular band shape so that the surface contacting the electronic part hole is flat and flat in the horizontal direction, and the annular band eyelet using the same It is about a manufacturing method.

In general, the eyelets are formed to be very small in size to be used by inserting the PCB board.

In order to manufacture the eyelets as described above, a general mold coupled to the press apparatus is manufacturing the eyelets using a mold having a structure in which one eyelet can come out at a time.

However, when one eyelet was manufactured at the same time as described above, there was a problem in that the production cost went up due to the low production volume.

In addition, although a mold was manufactured to process a plurality of eyelets as described above to solve the decrease in productivity, processing was performed in a state in which a sufficient space between the eyelets and eyelets was not secured, resulting in a high error rate of the product.

In order to solve this problem, Korean Patent Publication No. 10-0772170

An upper base plate mounted on a slide unit of the press unit, and the upper base plate, which is made of an eyelet fabrication mold, which is mounted on a press unit consisting of a press unit and a table to process a workpiece to enable continuous work. The upper plate is coupled to the plate and the stripper fixing rod is coupled to the inner side, and the upper plate is coupled to the upper slot punch block coupling groove, the first, second and third punch block coupling grooves and the forming punch block coupling grooves are pierced inward. A slot punch block having an upper punch block plate formed with a punch block coupling groove and a trimming punch block coupling groove, and a cutter which is coupled to the upper punch block plate to cut the workpiece at regular intervals inward; First and second with drawing punches for drawing workpieces 3 punching blocks with a punching block and a forming punch that can form inside, a piercing punch block with a piercing punch that can pierce inward, and a trimming punch with a trimming punch that can trim inside. An upper mold formed of an upper punch block portion forming a punch block; A first stripper coupled to the stripper fixing rod coupled to the upper plate of the upper mold, a second stripper forming a secondary drawing groove inward and a second stripper forming a secondary drawing groove inward, and a forming groove inward. A stripper portion comprising a tertiary stripper having a piercing groove and a trimming groove; A lower base plate coupled to a table of the press apparatus and having a discharge part for discharging the finished product to the outside, and guided at the same position as the discharge part of the lower base plate inwardly engaged with the lower base plate; A lower plate having a groove formed therein, and coupled to the lower plate, and having a drawing block inserting portion, a forming block inserting portion, a piercing block inserting portion, and a trimming block inserting portion formed therein, and an ejector formed between the respective inserting portions; A block portion comprising a block plate, a drawing block coupled to the block plate and forming a drawing pin inward, a forming block forming a forming pin, a piercing block forming a piercing pin and a trimming block, and one side of the block plate. The combined hopper and the block portion bonded to the block plate Determine for the first fixing and the second fixing bar, but given the eyelet manufacturing method using eyelets making a mold consisting of a lower mold to form the government, and it,

"의 형상으로 형성되어, 전자부품 홀과 접촉면이 맞지않고, 이격되기 때문에 납땜시 공기가 유입되어 제품의 유격발생 및 기포가 많이 발생되고, 압착력이 떨어지고, 이로 인해 전기흐름이 원활치 않아, 쇼트가 일어나는 문제점이 발생하였다.
This cuts the top of the eyelet from the top down through the trimming punch, so the end of the top edge of the eyelet is pressed by the downward force of the trimming punch,

It is formed in the shape of ", and the contact surface of the electronic component hole and the contact surface is spaced apart, so that air is introduced during soldering, so that there is a lot of play and bubbles of the product, and the compressive force is reduced, resulting in a smooth electrical flow, short There was a problem that occurred.

Domestic Patent Publication No. 10-0772170 (October 31, 2007)

In order to solve the above problems, in the present invention, an upper end portion is convexly rounded in an annular band shape to form a hook shape, and a high quality annular band eyelet having a flat contact surface in contact with an electronic component hole can be produced in a horizontal direction. Above all, the air tube of the air suction hole frame is connected to each of the completed annular band eyelets, and the completed annular band eyelets can be sucked 1: 1 by air to separate and discharge a plurality of cavity lines separately. It is an object of the present invention to provide an annular band eyelet press mold apparatus and a method for manufacturing an annular band eyelet using the same, which are capable of fast screening and error correction, and improving productivity and reducing material costs by 90%.

Annular band eyelet press mold apparatus according to the present invention to achieve the above object

A plurality of holes are formed at the lower surface, and the workpiece is moved through the drawing, forming, and piercing by the press of the press pressed from the upper mold of the annular band eyelet while conveying the workpiece in the horizontal direction along the hole. After forming, cut a half of the annular band portion of the upper end of the annular band eyelet through a trimming punch, and then cut the other half from the upper end to the bottom end, and form an annular band at the upper end of the annular band eyelet, And annular band eyelet lower mold 100 to suck the annular band eyelet with the air suction hole frame to discharge to the outside,

A plurality of punches are formed on the upper surface and are formed to protrude, and the annular band eyelets are formed through drawing, forming, and piercing punches through the drawing punch, forming punch, and piercing punches by receiving the force of the press directed toward the lower mold of the annular band eyelet. The upper part of the annular band eyelet, which forms the body of the annular band eyelet, is formed by maintaining the annular band at the upper end of the annular band eyelet by gently pushing the annular band of the upper part of the annular band eyelet cut through the trimming punch of the lower mold. It is achieved by being comprised of the mold 200.

In addition, the annular band eyelet manufacturing method using the annular band eyelet press mold apparatus according to the present invention

Slitting process step (S10) for cutting the workpiece;

Primary drawing step (S20) for sequentially drawing the workpiece;

Secondary drawing step (S30) to complete the shape of the workpiece into a cylindrical shape recessed intaglio;

Idle process step of cooling the workpiece (S40);

Forming step (S50) to form an annular band on the upper end of the workpiece;

Piercing step (S60) for perforating the through groove in the inner side of the body of the annular band formed workpiece;

In the manufacturing method of the annular band eyelet consisting of a trimming step (S70) for cutting the pierced workpiece with a trimming punch and discharged to the outside,

In the trimming step (S70), when the pierced workpiece is transferred, the strip bar formed on the side of the trimming punch is raised to a height of 0.5 mm by the spring elasticity while the trimming punch formed on the lower die is fixed, and thus along the bottom circumference of the annular band. Trimming hole step to cut,

Comprising the annular band eyelet by pushing the annular band eyelet cut along the bottom circumference of the annular band through the push punch formed in the upper die to the bottom direction,

The air tube of the air suction hole frame is connected to the completed annular band eyelet, respectively, and is achieved by being configured to separate and discharge the plurality of separate annular band eyelets 1: 1 by air.

As described above, in the present invention, it is possible to manufacture a high quality annular band eyelet that allows the surface in contact with the electronic component holes to be brought into flat contact in the horizontal direction, thereby significantly reducing the occurrence of bubbles when combined with the electronic component holes. It is possible to lower the failure rate of the device, and above all, the air tube of the air suction hole frame is connected to each of the completed annular band eyelets, so that the annular band eyelets are sucked 1: 1 by air and separated and discharged separately. Compared to the device, error product selection and error correction are faster, and it has a good effect of increasing productivity by 70% and saving material cost by 90% compared to the existing product.

1 is a perspective view showing the components of the annular band eyelet press mold apparatus according to the present invention,
Figure 2 is an exploded perspective view showing the components of the annular band eyelet upper mold of the annular band eyelet press mold apparatus according to the present invention,
Figure 3 is an exploded perspective view showing the components of the annular band eyelet lower mold of the annular band eyelet press mold apparatus according to the present invention,
Figure 4 is a plan view showing a coupling state of the annular band eyelet upper mold of the annular band eyelet press mold apparatus according to the present invention,
Figure 5 is a plan view showing a coupling state of the annular band eyelet lower mold of the annular band eyelet press mold apparatus according to the present invention,
Figure 6 is an embodiment showing that the annular band eyelet is formed in the workpiece through the annular band eyelet manufacturing method using the annular band eyelet press mold apparatus according to the present invention,
7 shows that when the pierced workpiece according to the present invention is transferred, the strip bar formed on the side of the trimming punch in the state in which the trimming punch formed on the lower die is fixed rises to a height of 0.5 mm by the spring elasticity and thus along the bottom circumference of the annular band. An embodiment showing a process of completing the annular band eyelet by cutting and pushing the annular band eyelet cut along the bottom circumference of the annular band through a push punch formed in the upper die in a lower direction.
8 is a view showing a cross-sectional state in which the annular band eyelet according to the present invention is rounded convexly rounded in an annular band shape to form a hook shape, and the surface contacting the hole of the PCB substrate is flat and closely adhered in the horizontal direction. Ye
9 is a flow chart showing a method for manufacturing the annular band eyelet using the annular band eyelet press mold apparatus according to the present invention,
Figure 8 is a flow chart illustrating a specific process of the trimming step (S70) of the annular band eyelet manufacturing method using the annular band eyelet press mold apparatus according to the present invention.

"의 형상으로 형성되어, 전자부품 홀과 접촉면이 맞지않고, 이격되기 때문에 납땜시 공기가 유입되어 제품의 유격발생 및 기포가 많이 발생되고, 압착력이 떨어지고, 이로 인해 전기흐름이 원활치 않아, 쇼트가 일어나는 문제점이 있어, 이를 개선하고자, Existing eyelet mold apparatus according to the present invention when viewed in cross section "

It is formed in the shape of ", and the contact surface of the electronic component hole and the contact surface is spaced apart, so that air is introduced during soldering, so that there is a lot of play and bubbles of the product, and the compressive force is reduced, resulting in a smooth electrical flow, short There's a problem that's happening,

"와 같이, 상단부가 환형띠 형상으로 볼록하게 라운딩되어 갈고리 형상을 이루며 전자부품 홀과 접촉되는 면이 수평방향으로 편평하게 밀착시킬 수 있는 양질의 환형띠 아일렛을 제작하는 것을 특징으로 한다.Annular band eyelet 300 according to the present invention is "

As described above, the upper end portion is convexly rounded in an annular band shape to form a hook shape, and the surface contacting the hole of the electronic component is characterized by producing a high quality annular band eyelet that can be brought into flat contact in the horizontal direction.

Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings.

1 is a perspective view showing the components of the annular band eyelet press mold apparatus according to the present invention, Figure 2 is an exploded view showing the components of the annular band eyelet press mold of the annular band eyelet press mold apparatus according to the present invention It relates to a perspective view, which is inserted into the electronic component hole of the PCB substrate, the body is formed in a "T" shape, the upper end is convexly rounded in an annular band shape, the surface in contact with the electronic component hole is flat in the horizontal direction It characterized in that the annular band eyelet 300 is formed to be in close contact.

The annular band eyelet press mold apparatus 1 according to the present invention is configured by dividing the annular band eyelet upper mold 100 and the annular band eyelet lower mold 200.

First, the annular band eyelet upper mold 100 according to the present invention will be described.

The annular band eyelet upper mold 100 is formed on the top surface and is formed by projecting a plurality of punches, and receives a force of a press directed toward the annular band eyelet lower mold to the workpiece through a drawing punch, a forming punch, and a piercing punch. Through drawing, forming and piercing, the body of the annular band eyelet is formed, and the annular band at the upper part of the annular band eyelet cut through the trimming punch of the lower mold of the annular band eyelet is removed by gently pushing the annular band at the upper part of the annular band eyelet. It serves to form a band.

As shown in FIG. 2, the upper die 110, the punch backing plate 120, the punch plate 130, the punch pocket 140 for the annular band eyelet, and the hole stripper 150 for the annular band eyelet are formed. .

The upper die 110 has a rectangular box shape and supports the punch plate and the punching backing plate at the upper surface thereof, and serves to couple the lower die to the vertical line.

In particular, the upper die 110 according to the present invention is configured to adopt a duralumin material to reduce the weight, and to reduce the load on the press machine.

The punching backing plate 120 is formed in a rectangular shape and is positioned at the top of the upper die, and the surface is heat-treated to support the punch plate placed on the upper end, and the drawing punch frame and forming punch frame of the punch plate on the heat-treated surface. The drawing punch reference hole, the forming punch reference hole, the piercing punch reference hole, and the push punch reference hole are formed in an intaglio such that the piercing punch frame and the push punch frame are positioned in the vertical direction.

As shown in FIG. 2, the rectangular main body 121, the drawing punch reference hole 122, the forming punch reference hole 123, the piercing punch reference hole 124, and the push punch reference hole 125 are configured. .

The drawing punch reference hole 122 serves to form a reference hole at an intaglio such that the drawing punch frame is placed in a vertical position in the vertical direction.

The forming punch reference hole 123 serves to form the reference hole at an intaglio such that the forming punch frame is placed in the vertical position in the vertical direction.

The piercing punch reference hole 124 serves to form a reference hole at an intaglio such that the piercing punch frame is placed in the vertical position in the vertical direction.

The push punch reference hole 125 serves to form a reference hole at an intaglio such that the push punch frame is positioned in a vertical position in the vertical direction.

The punch plate 130 is located at the upper end of the punching backing plate, the drawing hole frame, forming hole frame, piercing hole frame, push hole frame formed in the die plate of the annular band eyelet lower mold and the drawing punch frame An insertion hole, a forming punch frame insertion hole, a piercing punch frame insertion hole, a push punch frame insertion hole is formed to serve to insert and support the drawing punch frame, forming punch frame, piercing punch frame, push punch frame.

It consists of a rectangular main body 131, the drawing punch frame insertion hole, forming punch frame insertion hole, piercing punch frame insertion opening, push punch frame insertion opening is formed in a line from the left side of the main body.

The drawing punch frame insertion hole 132 serves to insert and support the drawing punch frame.

The forming punch frame insertion hole 133 serves to insert and support the forming punch frame.

The piercing punch frame insertion hole 134 serves to insert and support the piercing punch frame.

The push punch frame insertion hole 135 serves to insert and support the push punch frame.

The annular band eyelet punch pocket 140 has a drawing punch frame in which a plurality of drawing punches are formed on a surface thereof is inserted into a drawing punch frame insertion hole of a punch plate, and a forming punch frame having a plurality of forming punches is formed in a forming punch frame insertion hole. A piercing punch frame having a plurality of piercing punches inserted therein is inserted into the piercing punch frame insertion hole, and a push punch frame having a plurality of push punches is inserted into the push punch frame insertion hole and seated therein, and then the annular strip is pressed by a strong pressure of the press. The body and the annular band of the eyelet serves to form an annular band of the upper portion of the eyelet.

As shown in FIG. 2, the drawing punch frame 141, the forming punch frame 142, the piercing punch frame 143, and the push punch frame 144 are formed.

The drawing punch frame 141 has a plurality of cylindrical drawing punches in a matrix structure, and transmits a strong pressure of a press dropping in the vertical direction to the surface of a band-shaped processing material, thereby drawing a negative annular band eyelet with a drawing hole frame. It serves to form a body, which is a drawing punch 141a is configured.

Here, the drawing punch 141a is a 2-1 drawing punch, a 2-2 drawing punch, a 2-3 drawing punch, a 2-4 drawing punch, a 2-5 drawing punch, and a 2-6th drawing punch. , 2-7 drawing punch, 2-8 drawing punch, 2-9 drawing punch, and 2-10 drawing punch.

The forming punch frame 142 transmits a strong pressure of the press falling in the vertical direction to the surface of the band-shaped processing material to form an annular band-shaped forming in relief with the forming hole frame, which is a forming punch 142a is configured.

Here, the forming punch 142a includes a 2-1 forming punch and a 2-2 forming punch.

The piercing punch frame 143 transmits a strong pressure of the press falling in the vertical direction to the belt-shaped processing material, and serves to punch a hole in the processing material while supporting the piercing hole frame, which is a piercing punch (143a) It consists of

Here, the piercing punch 143a is composed of a 2-1 piercing punch and a 2-2 piercing punch.

The push punch frame 144 serves to complete the annular band eyelet by pushing the annular band eyelet cut along the bottom circumference of the annular band downward.

This is composed of a plurality of push punch (144a).

The annular strip eyelet hole stripper 150 has a drawing hole frame having a plurality of drawing holes formed on the surface thereof is inserted into the drawing hole frame insertion hole of the die plate, and a forming hole frame having a plurality of forming holes is formed in the forming hole frame insertion hole. A piercing hole frame having a plurality of piercing holes is inserted into the piercing hole frame insertion hole, and a trimming hole frame having a plurality of trimming holes is inserted into the trimming hole frame insertion hole, and an air blank hole frame having a plurality of air blank holes is formed. After being inserted and seated in the air blank hole frame insertion hole, it serves to form the annular band of the body of the annular band eyelet and the upper part of the annular band eyelet by the strong pressure of the press.

As shown in FIG. 2, the drawing hole frame 151, the forming hole frame 152, the piercing hole frame 153, the push punch hole frame 154, and the air blank hole frame 155 are formed.

The drawing hole frame 151 is formed of a plurality of cylindrical drawing holes in a matrix structure to form a cylindrical annular band eyelet body intaglio on the surface of the strip-shaped workpiece by the strong pressure of the press falling in the vertical direction. That is, the first-first drawing forming frame, the first-second drawing forming frame, the first-third drawing forming frame, the first-fourth drawing forming frame, the first--5th drawing forming frame, 1-1 blank forming frame, 1-6th drawing forming frame, 1-7th drawing forming frame, 1-8th drawing forming frame, 1-9th drawing forming frame, 1-10th drawing forming A frame, a 1-2 blank forming frame, a 1-3 blank forming frame, and a 1-4 blank forming frame.

The 1-1st drawing forming frame is a 2-1 drawing punch which receives the strong pressure of the press falling in the vertical direction, and a high pressure force is applied to the workpiece, the diameter φ4.5 ± 0.1mm, the height 1.0mm ~ It is primarily used to increase 5.0mm.

The first-second drawing forming frame is a diameter φ4.3 by applying a high pressure force to the second-two drawing punch received a strong pressure of the press falling in the vertical direction, and a workpiece having a height of 1.0mm ~ 5.0mm It acts as a secondary increase to have ± 0.1mm.

The first-third drawing forming frame has a diameter φ4.2 by applying a high pressure force to the second-three drawing punch, which receives the strong pressure of the press falling in the vertical direction, and a workpiece having a height of 1.0 mm to 5.0 mm. It serves to increase the third dimension to have ± 0.1mm.

The first-fourth drawing forming frame has a diameter of φ4.0 by applying a high pressure force to the second-fourth drawing punch received a strong pressure of a press falling in the vertical direction and a workpiece having a height of 1.0 mm to 5.0 mm. It serves to increase the 4th order to have ± 0.1mm.

The 1-5th drawing forming frame is a diameter φ3.8 by applying a high pressure to the 2-5 drawing punch received a strong pressure of the press falling in the vertical direction, and a workpiece having a height of 1.0mm ~ 5.0mm It is a 5th increase to have ± 0.1mm.

The first-first blank forming frame serves to pass the strip-shaped workpiece surface through which the drawing holes are formed through the first to fifth drawing forming frames under the strong pressure of the press falling in the vertical direction.

The 1-6th drawing forming frame is a diameter of φ3.4 by applying a high pressure force to the 2-6 drawing punch received a strong pressure of the press falling in the vertical direction, and a workpiece having a height of 1.0mm ~ 5.0mm It serves to increase 6th to have ± 0.1mm.

The 1-7th drawing forming frame is a diameter φ3.2 by applying a high pressure force to the 2-7 drawing punch received a strong pressure of the press falling in the vertical direction, and a workpiece having a height of 1.0mm ~ 5.0mm It increases the 7th order to have ± 0.1mm.

The first eighth drawing forming frame has a diameter φ3.0 by applying a high pressure force to the second eighth drawing punch, which receives the strong pressure of the press falling in the vertical direction, and a workpiece having a height of 1.0 mm to 5.0 mm. It serves to increase to 8th order to have ± 0.1mm.

The 1-9th drawing forming frame is a diameter φ2.8 by applying a high pressure force to the 2-9 drawing punch received a strong pressure of the press falling in the vertical direction, and a workpiece having a height of 1.0mm ~ 5.0mm It serves to increase the 9th order to have ± 0.1mm.

The 1-10th drawing forming frame is a diameter of φ2.6 by applying a high pressure force to the 2-10 drawing punch received a strong pressure of the press falling in the vertical direction, and a workpiece having a height of 1.0mm ~ 5.0mm It serves to increase by 10 orders to have ± 0.1mm.

The drawing hole is formed through the first--10th drawing-forming frame by the strong pressure of the press falling in the vertical direction. It serves to pass the formed strip of the workpiece surface as it is.

The forming hole frame 152 serves to form an annular band-shaped forming on the surface of the strip-shaped workpiece by the strong pressure of the press falling in the vertical direction, which is a 1-5 blank forming frame, The 1st -1st forming frame, the 1st-2nd forming frame, and the 1-6 blank forming frame are comprised.

The 1-5 blank forming frame serves to pass the strip-shaped workpiece surface through which the drawing hole is formed through the 1-10th drawing forming frame under the strong pressure of the press falling in the vertical direction.

The 2-1st forming forming frame is a 2-1 forming punch which receives the strong pressure of the press falling in the vertical direction and a high pressure force is applied to the workpiece, the diameter φ2.8 ± 0.2mm, the height 0.2 ± 0.1 It serves to form the annular strip shape embossed to have mm.

The second-second foam forming frame is a second-second forming punch received a strong pressure of the press falling in the vertical direction, and a high-pressure force applied to the workpiece material diameter φ 2.8 ± 0.2 mm, height 0.3 ± 0.1 It serves to form the annular strip shape embossed to have mm.

The 1-6 blank forming frame serves to pass through the surface of the workpiece formed with an annular band at the upper end through the second-second secondary forming frame by the strong pressure of the press falling in the vertical direction.

The piercing hole frame 153 serves to form a hole in the belt-shaped processing material by the strong pressure of the press falling in the vertical direction, which is the 1-7 blank forming frame, the first-first order It consists of a piercing frame, a 1st-2nd piercing frame, and a 1-8 blank forming frame.

The 1-7 blank forming frame serves to pass the surface of the workpiece formed with an annular band at the upper end through the second-second foam forming frame under the strong pressure of the press falling in the vertical direction.

The first-first piercing frame is formed by first punching a hole inside a strip-shaped workpiece by applying a high pressure to the workpiece and a 2-1 piercing punch, which receives a strong pressure of a press falling in the vertical direction. It plays a role.

The first-second piercing frame is formed by the second-second piercing punch received a strong pressure of the press falling in the vertical direction, and by punching a second hole in the strip-shaped workpiece by applying a high pressure to the workpiece. It plays a role.

The 1-8 blank forming frame is a blank surface of the workpiece material with the annular band formed at the upper end through the 1-1st piercing frame and the 1st-2nd piercing frame by the strong pressure of the press falling in the vertical direction. It serves to pass.

The push punch hole frame 154 has a plurality of push punch holes, and when the pierced workpiece is transported, the strip bar formed on the side of the trimming punch is 0.5 mm high by spring elasticity while the trimming punch formed on the lower die is fixed. When it is raised up and cut along the bottom circumference of the annular band, it pushes the cut annular band eyelet downward through the push punch to complete the annular band eyelet, which is the first-first push punch hole frame, The first-second push punch hole frame is configured.

The 1-1st push punch hole frame is constructed by contacting the 1-1st trimming frame with the built-in 1st push punch hole, and the 1st-2nd push punch hole frame is the 1st-2nd push punch Is built in contact with the first-second trimming frame.

The air blank hole frame 155 contacts the air blank frame insertion hole formed in the lower die, and serves to push the completed annular band eyelet to be sucked into the air suction hole of the air blank frame insertion hole.

This constitutes an air blank hole having the same size and number as the air suction hole of the air blank frame insert.

" 의 형상으로 각각 배열되어 이웃하는 홀 사이의 반경을 넓게 형성시켜서 금형공정이 교차되지 않도록 구성된다.
Further, the forming hole formed in the forming hole frame of the annular strip eyelet hole stripper according to the present invention, the push punch hole formed in the push punch hole frame, and the air blank hole formed in the air suction hole frame are viewed from a plane.

It is arranged so as to form a wide radius between neighboring holes, each arranged in the shape of ", so that the mold process does not cross.

Next, the annular band eyelet lower mold 200 according to the present invention will be described.

The annular band eyelet lower mold 200 has a plurality of holes formed at the bottom surface thereof, and is drawn and formed by a strong pressure of a press pressed from the annular band eyelet upper mold while conveying the workpiece in a horizontal direction along the hole. The body of the annular band eyelet is formed through piercing and the annular band part of the upper part of the annular band eyelet is cut from the bottom to the upper part through a trimming punch, thereby forming the annular band at the upper part of the annular band eyelet, and the completed annular band eyelet is Inhaled by the air suction hole frame to discharge to the outside, which is composed of a lower die 210, a die backing plate 220, a die plate 230, as shown in FIG.

The lower die 210 has a rectangular box shape to support the die plate and the die backing plate at the bottom surface, and includes a spring fixing set therein, and serves to couple the upper die to a vertical line.

The die backing plate 220 is formed in a rectangular shape is located on the top of the lower die, the drawing hole frame hole, forming hole frame hole, piercing hole of the die plate on the surface heat-treated to support the die plate placed on the upper end It forms the drawing reference hole, forming reference hole, piercing reference hole, trimming reference hole, air suction reference hole at a negative angle so that the frame hole, trimming hole frame hole, and air suction hole frame hole are placed in the vertical position in the vertical direction. .

As shown in FIG. 3, the rectangular main body 221, the drawing reference hole 222, the forming reference hole 223, the piercing reference hole 224, the trimming reference hole 225, and the air suction reference hole 226. ) Is configured.

The drawing reference hole 222 serves to form a reference hole at an intaglio such that the drawing hole 222a of the die plate is placed in the vertical position in the vertical direction.

The forming hole reference hole 223 serves to form a reference hole at an intaglio such that the forming hole 223a of the die plate is placed in the vertical position in the vertical direction.

The trimming reference hole 224 serves to form a reference hole at an intaglio so that the trimming hole 224a of the die plate is placed in the vertical position in the vertical direction.

The piercing reference hole 225 serves to form a reference hole at an intaglio such that the piercing hole 225a of the die plate is placed in the vertical position in the vertical direction.

The air suction reference hole 226 serves to form a reference hole at an intaglio so that the air suction hole 226a of the die plate is placed in the vertical position in the vertical direction.

Here, the air suction reference hole is connected to the air tube on the bottom surface, respectively, the air suction pump is configured on one side of the air tube.

" 의 형상으로 각각 배열되어 이웃하는 홀 사이의 반경을 넓게 형성시켜서 금형공정이 교차되지 않도록 구성된다.
In addition, the die backing plate 220 according to the present invention has a plurality of forming reference holes 223, trimming reference holes 224, air suction reference holes 226 formed by dividing into parts on the surface when viewed from the plane "

It is arranged so as to form a wide radius between neighboring holes, each arranged in the shape of ", so that the mold process does not cross.

The die plate 230 is located on the upper end of the die backing plate, the drawing punch frame, the forming punch frame, the piercing punch frame, the punch hole frame and the drawing hole frame formed on the same line in the vertical direction Insertion hole, forming hole frame insertion hole, piercing hole frame insertion hole, trimming hole frame insertion hole, air blank frame insertion hole is formed, the role of inserting and supporting the drawing hole frame, forming hole frame, piercing hole frame, trimming hole frame, air blank frame Do it.

It consists of a rectangular main body 231, the drawing hole frame insertion hole, forming hole frame insertion hole, piercing hole frame insertion hole, trimming hole frame insertion hole, air blank hole frame insertion hole is formed in a row from the left side of the body.

The drawing hole frame insertion hole 232 serves to insert and support the drawing hole frame.

The forming hole frame insertion hole 233 serves to insert and support the forming hole frame.

The piercing hole frame insertion hole 234 serves to insert and support the piercing hole frame.

The piercing hole frame insertion hole 234 according to the present invention has a piercing debris air inlet for sucking the remaining piercing debris into air by piercing at the bottom and configured 1: 1 in the piercing hole.

The trimming hole frame insertion hole 235 corresponds to the push hole frame of the upper die 1: 1 and serves to insert and support the trimming hole frame therein.

In addition, the trimming hole frame insertion hole 235 is provided with a trimming punch 235-1 fixed to a lower end thereof, and a strip bar 235-2 is formed on one side of the trimming punch.

That is, the trimming hole frame insertion hole 235 is transferred to the pierced workpiece, the strip bar formed on the side of the trimming punch while the trimming punch is fixed is raised to the height of 0.5mm by the spring elasticity is cut along the bottom circumference of the annular band It plays a role.

Here, the trimming hole frame 235a, when the pierced workpiece is transferred, the strip bar formed on the side of the trimming punch in the state where the trimming punch is fixed rises to a height of 0.5 mm by spring elasticity and cuts along the bottom circumference of the annular band. It serves as a 1-1st trimming frame, a 1-9th blanking frame, a 1-10th blanking frame, a 1-11th blanking frame, and a 1st-2nd trimming frame.

The trimming hole frame 154 according to the present invention is also referred to as a half punching frame.

The first-first trimming frame is an annular strip of the workpiece placed in an odd number row as the strip bar formed on the side of the trimming punch rises to a height of 0.5 mm by spring elasticity when the pierced workpiece is transferred, and the trimming punch is fixed. It serves to cut the lower circumference first.

The 1-9 blank forming frame, the 1-10 blank forming frame, and the 1-11 blank forming frame are even numbers remaining without being cut through the 1-1st trimming frame by the strong pressure of the press falling in the vertical direction. It passes through the workpiece surface located in the row three times as it is.

In the first and second trimming frames, when the pierced workpiece is transferred, the strip bar formed on the side of the trimming punch in the state where the trimming punch is fixed rises to a height of 0.5 mm by spring elasticity so that an annular band of the workpiece is positioned in even rows. It serves to cut the bottom circumference secondary.

The air blank frame insertion hole 236 serves to insert and support the air blank frame.

Here, the air blank frame insertion port is formed with an air suction hole frame at the bottom, and sucks the annular band eyelet completed with air to discharge to the outside.

The air suction hole frame serves to separate and discharge a plurality of separate annular band eyelets 1: 1 by air by connecting the air tubes of the air suction hole frame to the completed annular band eyelets.

It is formed with a plurality of air suction holes having a diameter of φ 10 ± 0.2mm, an air tube is formed inside the air suction hole, the air suction pump is configured on one side of the air tube.

As such, since the air suction hole frame according to the present invention is installed and configured in the last process, the completed annular eyelets can be sucked into the air by 1: 1 suction, so that they can be separated and discharged separately. This is fast and has a good effect of increasing productivity and reducing material costs by 90%.

Hereinafter, a method for manufacturing an annular band eyelet using the annular band eyelet press mold apparatus according to the present invention will be described.

First, a slitting process of cutting a workpiece is performed.

Subsequently, primary drawing is performed to sequentially draw the workpiece.

Subsequently, secondary drawing is performed in which the shape of the workpiece is formed into a cylindrical shape recessed in an intaglio.

Then, the workpiece is cooled.

Subsequently, forming is performed to form an annular band at the upper end of the workpiece.

Subsequently, a piercing is performed in which the through groove is drilled into the body of the workpiece having the annular band.

Then, the pierced workpiece is cut with a trimming punch and trimmed to be discharged to the outside.

Here, in the trimming process, as shown in FIG. 7, when the pierced workpiece is transferred, the strip bar formed on the side of the trimming punch is raised to a height of 0.5 mm by spring elasticity while the trimming punch formed on the lower die is fixed. Cut along the bottom circumference of the annular strip.

Then, the annular band eyelet is completed by pushing the annular band eyelet cut along the bottom circumference of the annular band through the push punch formed in the upper die.

Then, the air tube of the air suction hole frame is connected to each of the completed annular band eyelets, and the separated annular band eyelets are sucked 1: 1 by air and separated and discharged separately.

100: annular band eyelet upper mold 110: upper die
120: punch backing plate 130: punch plate
140: Punch pocket for annular band eyelet 150: Hole stripper for annular band eyelet
200: annular band eyelet upper mold 210: lower die
220: die backing plate 230: die plate

Claims (10)

A plurality of punches are formed on the upper surface and are formed to protrude, and the annular band eyelets are formed through drawing, forming, and piercing punches through the drawing punch, forming punch, and piercing punches by receiving the force of the press directed toward the lower mold of the annular band eyelet. The upper die 110 to form a body of the annular band eyelet to form an annular band at the upper end of the annular band eyelet by gently pushing the annular band of the upper part of the annular band eyelet cut through the trimming punch of the annular band eyelet lower mold. Punch backing plate 120, punch plate 130, the annular band eyelet upper mold 100 consisting of an annular band eyelet punch pocket 140, the annular band eyelet hole stripper 150,
A plurality of holes are formed at the lower surface, and the workpiece is moved through the drawing, forming, and piercing by the press of the press pressed from the upper mold of the annular band eyelet while conveying the workpiece in the horizontal direction along the hole. After forming, cut a half of the annular band portion of the upper end of the annular band eyelet through a trimming punch, and then cut the other half from the upper end to the bottom end, and form an annular band at the upper end of the annular band eyelet, An annular band composed of an annular band consisting of a lower die 210, a die backing plate 220, and a die plate 230 for sucking the annular band eyelet into the air suction hole frame and discharging it to the outside. In the eyelet press mold apparatus,
The annular strip eyelet hole stripper 150 is
A drawing hole frame 151 having a plurality of cylindrical drawing holes formed in a matrix structure to form a cylindrical annular band eyelet body in an intaglio manner on the surface of a strip-shaped workpiece by a strong pressure of a press falling in a vertical direction;
A forming hole frame 152 for forming an annular band-shaped forming on the surface of the belt-shaped workpiece by the strong pressure of the press falling in the vertical direction;
Piercing hole frame 153 to form a hole in the belt-shaped processing material by the strong pressure of the press falling in the vertical direction,
When a plurality of push punch holes are formed and the pierced workpiece is transported, the strip bar formed on the side of the trimming punch is raised to a height of 0.5 mm by the spring elasticity while the trimming punch formed on the lower die is fixed, so that When cut along, the push punch hole frame 154 for completing the annular band eyelet by pushing the cut annular band eyelet downward through the push punch,
Annular band eyelet press, characterized in that it consists of an air blank hole frame frame 155 to contact the air blank frame insertion hole formed in the lower die and push the completed annular band eyelet to be sucked into the air suction hole of the air blank frame insertion hole Mold apparatus.
delete delete The air hole according to claim 1, wherein the forming hole formed in the forming hole frame of the annular band eyelet hole stripper, the push punch hole formed in the push punch hole frame, and the air blank hole formed in the air suction hole frame are viewed in plan view.

And a plurality of annular band eyelet press mold apparatuses, each of which is arranged in a shape of "to form a radius between neighboring holes so that the mold process does not intersect.
delete delete delete The method of claim 1, wherein the die backing plate 220
When the plurality of forming reference holes 223, the trimming reference holes 224, and the air suction reference holes 226 formed on the surface divided by parts are viewed in plan view,

And a plurality of annular band eyelet press mold apparatuses, each of which is arranged in a shape of "to form a radius between neighboring holes so that the mold process does not intersect.
Slitting process step (S10) for cutting the workpiece;
Primary drawing step (S20) for sequentially drawing the workpiece;
Secondary drawing step (S30) to complete the shape of the workpiece into a cylindrical shape recessed intaglio;
Idle process step of cooling the workpiece (S40);
Forming step (S50) to form an annular band on the upper end of the workpiece;
Piercing step (S60) for perforating the through groove in the inner side of the body of the annular band formed workpiece;
In the manufacturing method of the annular band eyelet consisting of a trimming step (S70) consisting of a trimming hole step of cutting the pierced workpiece with a trimming punch to release to the outside, the step of completing the annular band eyelet, the step of separating and discharging,
By the annular band eyelet manufacturing method using the annular band eyelet press mold apparatus, inserted into the hole of the electronic component of the PCB, the body is formed in a "T" shape, and the upper end is convexly rounded into an annular band shape to form a hook shape. And an annular band eyelet characterized in that the surface in contact with the hole of the electronic component is formed to be in flat contact with the horizontal direction.

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