阅读说明：本技术 软性电路印刷线路板真空快压机内气囊组件及其真空快压机 (Inner air bag assembly of vacuum fast press for flexible circuit printed circuit board and vacuum fast press thereof ) 是由 舒爱荣 于 2019-09-11 设计创作，主要内容包括：一种软性电路印刷线路板真空快压机内气囊组件及其真空快压机,其中,内气囊组件包括上模具框板、气囊安装板和气囊；气囊的侧边包覆在气囊安装板的侧边上,在气囊安装板的远离气囊的内腔面的一面设有第一凹部,在第一凹部的凹部底面上设有若干个出气孔,在第一凹部上设有与第一凹部密封连接的盖板,在盖板的盖板内底面与凹部底面形成一个气体分配腔室,在盖板上设有与外界增加气源相通的进气孔,在上模具框板的一侧设有第二凹部,包覆有气囊的气囊安装板设置在第二凹部内。本发明可以提高气囊的使用寿命。(An inner air bag component of a vacuum fast press for a flexible circuit printed circuit board and the vacuum fast press thereof, wherein the inner air bag component comprises an upper die frame plate, an air bag mounting plate and an air bag; the side cladding of gasbag is on the side of gasbag mounting panel, the one side of keeping away from the interior cavity surface of gasbag at the gasbag mounting panel is equipped with first concave part, be equipped with a plurality of venthole on the concave part bottom surface of first concave part, be equipped with the apron with first concave part sealing connection on first concave part, bottom surface and concave part bottom surface form a gas distribution cavity in the apron of apron, be equipped with on the apron and increase the communicating inlet port of air supply with the external world, be equipped with the second concave part in one side of last mould frame board, the gasbag mounting panel setting that the cladding has the gasbag is in the second concave part. The invention can prolong the service life of the air bag.)

1. An inner air bag assembly of a flexible circuit printed circuit board vacuum fast press comprises an upper die frame plate (1), an air bag mounting plate (2) and an air bag (3); the method is characterized in that: the side edge (31) of the air bag (3) is covered on the side edge of the air bag mounting plate (2), a first concave part (22) is arranged on one surface of the air bag mounting plate (2) far away from an inner cavity surface (32) of the air bag (3), a plurality of air outlet holes (23) are arranged on the bottom surface (221) of the first concave part (22), a cover plate (24) which is connected with the first concave part (22) in a sealing way is arranged on the first concave part (22), a gas distribution chamber (242) is formed between the cover inner bottom surface (241) of the cover plate (24) and the concave bottom surface (221), an air inlet hole (243) communicated with an external pressurized air source is arranged on the cover plate (24), a second concave portion (12) is arranged on one side of the upper die frame plate (1), and an air bag mounting plate (2) coated with an air bag (3) is arranged in the second concave portion (12).

2. The inner bladder assembly of a vacuum press for flexible circuit printed circuit boards of claim 1, wherein: the cover plate (24) is a regular-geometry cover plate, and the shape of the first recess (22) is adapted to the shape of the cover plate (24).

3. The inner bladder assembly of a vacuum press for flexible circuit printed circuit boards of claim 2, wherein: a notch (244) is formed in the periphery of the cover plate (24), and a protrusion (222) which is fitted into the notch (244) is formed in the periphery of the first concave portion (22).

4. The inner bladder assembly of vacuum press for flexible circuit printed circuit board according to claim 2 or 3, wherein: a groove (223) is formed in the inner periphery of the first concave portion (22), a sealing ring (224) is arranged in the groove (223), and the cover plate (24) is connected with the first concave portion (22) in a sealing mode through the sealing ring (224).

5. The flexible circuit printed circuit board vacuum press inner bladder assembly of claim 1, 2 or 3, wherein: the bottom surface of the air bag mounting plate (2) on the same side as the first concave portion (22) is provided with a plurality of first flange connecting portions (25), a first flange (26) is arranged in each first flange connecting portion (25), and the upper die frame plate (1) is connected with the air bag mounting plate (2) through the first flange (26) through bolts.

6. The flexible circuit printed circuit board vacuum press inner bladder assembly of claim 1, 2 or 3, wherein: the gas distribution plate is characterized by further comprising a gas distribution plate (4), the area of the gas distribution plate (4) is larger than that of the bottom surface (221) of the concave portion, the gas distribution plate (4) is arranged on one side, close to the inner cavity surface (32) of the airbag (3), of the airbag mounting plate (2), a second gas distribution chamber (42) is formed between the gas distribution plate and the airbag mounting plate (2), and a plurality of second gas outlet holes (41) communicated with the inner cavity of the airbag (3) are formed in the gas distribution plate (4).

7. A vacuum fast press is characterized in that: the inner bladder assembly of vacuum press for flexible circuit printed circuit board according to any one of claims 1 to 6.

8. The vacuum press as set forth in claim 7, wherein: the vacuum fast press is a single-opening vacuum fast press, a double-opening vacuum fast press or a four-opening vacuum fast press.

9. The vacuum press as set forth in claim 8, wherein: the four-opening vacuum fast press comprises an upper press plate (100), a middle press plate (200) and a lower press plate (300) which are sequentially arranged from top to bottom, wherein a guide column (210) is arranged on the outer side of the middle press plate (200), a spring (220) is arranged on the guide column (210) above the middle press plate (200), when the lower press plate (300) and the middle press plate (200) press together, the spring (220) is compressed, and when the middle press plate (200) moves downwards, the spring (220) stretches to separate the upper press plate (100) from the middle press plate (200).

Technical Field

The invention relates to an air bag assembly in a vacuum fast press for a flexible circuit printed circuit board and the vacuum fast press thereof.

Background

Chinese patent document CN 102806747 discloses an air bag module in flexible circuit printed circuit board vacuum fast press, including rubber taking and paying bottom plate and rubber fixed plate, a die cavity is formed by combining from top to bottom between them, and the air bag contains in the die cavity, the gasbag outer chamber surface is hugged closely rubber taking and paying bottom plate with on the smooth surface of rubber fixed plate contact, rubber taking and paying bottom plate has the inlet port, the inlet port is connected in outside pressurized air source, the last plane and the lower plane of rubber fixed plate all have the through-hole, the lower plane of rubber fixed plate has a plurality of grooves, and the pressurized air source through rubber taking and paying bottom plate inlet port passes through the through-hole of rubber fixed plate top plane and lower plane, and the groove of rethread rubber fixed plate lower plane acts on the gasbag inner chamber surface.

Although the inner air bag component can solve the problem of adhesion between the air bag and the rubber delivery bottom plate and achieve the purpose of quickly replacing the air bag, due to the fact that the grooves are formed in the lower plane of the rubber fixing plate, when the air bag works for a certain time, the inner surface of the air bag is cut and thinned by the edges of the grooves, and the service life of the air bag is affected.

Disclosure of Invention

In order to overcome the problems, the invention provides a flexible circuit printed circuit board vacuum express press air bag assembly which has no influence on the inner surface of the air bag and can prolong the service life of the air bag for society.

The invention also provides a vacuum fast press which basically has no influence on the inner surface of the air bag and can prolong the service life of the air bag.

The technical scheme of the invention is as follows: the inner air bag component of the vacuum fast press for the flexible circuit printed circuit board comprises an upper die frame plate, an air bag mounting plate and an air bag; the side cladding of gasbag is in on the side of gasbag mounting panel keep away from of gasbag mounting panel the one side of the inner chamber face of gasbag is equipped with first concave part, is equipped with a plurality of venthole on the concave part bottom surface of first concave part be equipped with on the first concave part with first concave part sealing connection's apron bottom surface and concave part bottom surface form a gas distribution cavity in the apron be equipped with on the apron with the communicating inlet port of external supercharged air source go up one side of mould frame plate and be equipped with the second concave part, the gasbag mounting panel setting that the cladding has the gasbag is in the second concave part.

As an improvement to the invention, the cover plate is a regular geometrical cover plate, and the shape of the first recess is adapted to the shape of the cover plate.

As an improvement of the present invention, a notch is provided on a peripheral edge of the cover plate, and a protrusion that fits the notch is provided on a peripheral edge of the first concave portion.

As an improvement of the present invention, a groove is provided on the inner periphery of the first concave portion, a seal ring is provided in the groove, and the cover plate is connected to the first concave portion in a sealing manner by the seal ring.

As an improvement of the present invention, a plurality of first flange connection portions are provided on a bottom surface of the airbag mounting plate on the same side as the first recess portion, a first flange is provided in the first flange connection portion, and the upper mold frame plate is connected to the airbag mounting plate via the first flange.

The invention also provides a vacuum fast press which comprises the air bag assembly in the vacuum fast press for the flexible circuit printed circuit board.

As an improvement of the invention, the vacuum fast press is a single-opening vacuum fast press, a double-opening vacuum fast press or a four-opening vacuum fast press.

As an improvement of the invention, the four-opening vacuum fast press comprises an upper press plate, a middle press plate and a lower press plate which are sequentially arranged from top to bottom, wherein a guide post is arranged on the outer side of the middle press plate, a spring is arranged on the guide post above the middle press plate, when the lower press plate and the middle press plate press upwards together, the spring is compressed, and when the middle press plate moves downwards, the spring stretches to separate the upper press plate from the middle press plate.

The invention adopts the structure that the first concave part is arranged on the surface of the air bag mounting plate far away from the inner cavity surface of the air bag, the bottom surface of the concave part of the first concave part is provided with a plurality of air outlet holes, the first concave part is provided with the cover plate which is hermetically connected with the first concave part, the inner bottom surface of the cover plate and the bottom surface of the concave part form a gas distribution chamber, and the cover plate is provided with the air inlet hole communicated with the external pressurized air source.

Drawings

Fig. 1 is an exploded schematic view of a first embodiment of the present invention.

Fig. 2 is a schematic plan view of the embodiment shown in fig. 1 after combination.

3 fig. 3 3 3 is 3 a 3 schematic 3 sectional 3 structure 3 view 3 a 3- 3 a 3 of 3 fig. 32 3. 3

Fig. 4 is an exploded view of a second embodiment of the present invention.

Fig. 5 is a schematic plan view of the embodiment of fig. 4 after combination.

Fig. 6 is a schematic sectional structure view of B-B of fig. 5.

Fig. 7 is a schematic cross-sectional view of a single-opening press of the present invention.

Fig. 8 is a schematic cross-sectional view of a dual opening press of the present invention.

Fig. 9 is a schematic cross-sectional view of the four-opening press of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 to 3, fig. 1 to 3 show an airbag module in a vacuum press for flexible printed circuit boards, which includes an upper mold frame 1, an airbag mounting plate 2 and an airbag 3; the airbag side 31 of the airbag 3 is coated on the mounting plate side 21 of the airbag mounting plate 2, a first concave portion 22 is arranged on one surface, far away from an inner cavity surface 32 of the airbag 3, of the airbag mounting plate 2, a plurality of air outlet holes 23 are arranged on a bottom surface 221 of the concave portion of the first concave portion 22, a cover plate 24 which is hermetically connected with the first concave portion 22 is arranged on the first concave portion 22, a gas distribution chamber 242 is formed by the bottom surface 241 and the bottom surface 221 of the concave portion in the cover plate of the cover plate 24, an air inlet hole 243 which is communicated with an external pressurized air source is arranged on the cover plate 24, a second concave portion 12 is arranged on one side of the upper mold frame plate 1, and the airbag mounting plate 2 coated with the airbag 3 is arranged in the second concave portion.

When the flexible circuit printed circuit board pressurizing device is used, a pressurizing air source is provided for the air inlet holes 243 through the air inlet channel 11 arranged on the upper die frame plate 1, the pressurizing air source enters the air distribution chamber 242 through the air inlet holes 243, and enters the air bags 3 through the air outlet holes 23, so that the air bags 3 are bulged downwards, and the purpose of pressurizing the flexible circuit printed circuit board is achieved.

The invention adopts the structure that the first concave part 22 is arranged on the surface of the air bag mounting plate 2 far away from the inner cavity surface 32 of the air bag 3, the plurality of air outlet holes 23 are arranged on the bottom surface 221 of the concave part of the first concave part 22, the cover plate 24 hermetically connected with the first concave part 22 is arranged on the first concave part 22, the inner bottom surface 241 of the cover plate 24 and the bottom surface 221 of the concave part form a gas distribution chamber 242, and the air inlet holes 243 communicated with an external pressurized gas source are arranged on the cover plate 24. Under the same condition, the service life of the air bag can be prolonged by more than 2 times.

Preferably, the cover plate 24 is a regular geometric cover plate, and the shape of the first recess 22 is adapted to the shape of the cover plate 24. The regular geometric shapes are circular cover plates, rectangular cover plates, triangular cover plates or prismatic cover plates and the like.

Preferably, a notch 244 is provided on the peripheral edge of the cover plate 24, and a protrusion 222 that fits into the notch 244 is provided on the peripheral edge of the first concave portion 22. The assembler only needs to make the notch 244 and the protrusion 222, so that the installation dislocation is avoided, and the assembly is convenient for the assembler to correctly install.

Preferably, a groove 223 is formed on the inner periphery of the first concave portion 22, a sealing ring 224 is formed on the groove 223, and the cover plate 24 is hermetically connected to the first concave portion 22 by the sealing ring 224.

Preferably, a plurality of first flange connection portions 25 are provided on the bottom surface of the airbag mounting plate 2 on the same side as the first recess 22, a first flange 26 is provided in the first flange connection portions 25, and the upper mold frame 1 is connected to the airbag mounting plate 2 by bolts via the first flange 26. Through the structure that increases first flange 26, when last mould frame board 1 and gasbag mounting panel 2 dismouting repeatedly, when the damage appears in the screw thread of first flange 26 on the gasbag mounting panel 2, only need change first flange 26, and be unlikely to change monoblock gasbag mounting panel 2, can save cost of maintenance like this. If when gasbag mounting panel 2 is the aluminum alloy plate, can also design into first flange 26 and install second flange 261 additional on first flange 26, first flange 26 and second flange 261 all adopt the steel material preparation, and first flange 26 is connected on aluminium's gasbag mounting panel 2, second flange 261 on the one hand with first flange 26 is connected, on the other hand with go up 1 bolted connection of mould deckle board, like this, change gasbag 3 only need with go up mould deckle board 1 with bolt between the second flange 261 loosen can.

Of course, if the airbag mounting plate 2 of the present invention is made of steel, when the airbag 3 needs to be replaced, the bolts for connecting the upper mold frame 1 and the first flange 26 are loosened, the upper mold frame 1 and the airbag mounting plate 2 are separated, and the airbag 3 is peeled off from the airbag mounting plate 2.

In the invention, a plurality of screw holes 13 are further arranged on the upper die frame plate 1, each screw hole 13 is provided with a bolt (not shown), when the air bag 3 is bonded with the upper die frame plate 1 too tightly, the bolts can be properly rotated towards the air bag mounting plate 2, and the bolts push the air bag mounting plate 2 open, so that the air bag 3 bonded with the upper die frame plate 1 is separated.

Referring to fig. 4 to 6, fig. 4 to 6 disclose a second bladder assembly in a vacuum express press for flexible printed circuit boards, the bladder assembly in the vacuum express press for flexible printed circuit boards shown in fig. 4 to 6 has substantially the same structure as the bladder assembly in the vacuum express press for flexible printed circuit boards shown in fig. 1 to 3, except that a gas distribution plate 4 having a larger area than the bottom surface 221 of the recess is added in the present embodiment, the gas distribution plate 4 is disposed on the side of the bladder mounting plate 2 close to the inner cavity surface 32 of the bladder 3, and a second gas distribution chamber 42 is formed between the gas distribution plate and the bladder mounting plate 2, and a plurality of second gas outlets 41 communicating with the inner cavity of the bladder 3 are disposed on the gas distribution plate 4. In this embodiment, the gas distribution plate 4 is added to the embodiment shown in fig. 1 to 3, and the second gas distribution chamber 42 is formed, so that the gas entering or exiting the airbag 3 can be more rapidly discharged.

Referring to fig. 7 to 9, the present invention further provides a vacuum press comprising the above-mentioned flexible printed circuit board vacuum press inner bladder assembly.

Preferably, fig. 7 shows a single-opening vacuum fast press, which includes an upper press plate 110, a jig plate 500 and a lower press plate 300 arranged from top to bottom; the lower side of the lower pressing plate 300 is provided with a guide post 210, and the lower pressing plate 300 can move up and down on the guide post 210.

Fig. 8 shows that the double-opening vacuum fast press is composed of two parallel single-opening vacuum fast presses, except that the double-opening vacuum fast press only uses one set of hydraulic system 400, so that the cost can be saved.

Fig. 9 shows a four-opening vacuum press. The four-opening vacuum fast press comprises an upper press plate 100, a middle press plate 200 and a lower press plate 300 which are arranged from top to bottom; the outer side of the middle press plate 200 is provided with a guide post 210, a spring 220 is arranged on the guide post 210 above the middle press plate 200, when the lower press plate 300 presses upwards together with the middle press plate 200, the spring 220 is compressed, and when the middle press plate 200 moves downwards, the spring 220 expands to separate the upper press plate 100 from the middle press plate 200.

In the above embodiments, the jig plate 500 and the upper platen 100 are the inner bladder assembly of the vacuum press for flexible printed circuit boards shown in fig. 1 to 3; the lower portion of the middle press plate 200 is also used as the bladder assembly in the vacuum press for flexible circuit printed circuit boards shown in fig. 1 to 3.

The vacuum rapid press can ensure that the upper press plate 100 and the middle press plate 200 do not generate dislocation with the lower press plate 300 when moving up and down by arranging the guide posts 210; the guide post 210 is provided with the spring 220, so that the middle press plate 200 can be ensured to be separated from the upper press plate 100 in time when the middle press plate 200 moves downwards, and the problem that the middle press plate 200 moves downwards suddenly to press the working hand or arm when a worker takes the flexible circuit printed circuit board between the middle press plate 200 and the lower press plate 300 too early due to untimely separation of the middle press plate 200 is avoided.

Various equivalent changes made by applying the contents of the specification and the drawings are also included in the scope of the claims of the invention without departing from the idea of the invention.