CN214011722U - Exposure adsorption platform - Google Patents
Exposure adsorption platform Download PDFInfo
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- CN214011722U CN214011722U CN202120298551.6U CN202120298551U CN214011722U CN 214011722 U CN214011722 U CN 214011722U CN 202120298551 U CN202120298551 U CN 202120298551U CN 214011722 U CN214011722 U CN 214011722U
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Abstract
The utility model discloses an exposure adsorption platform, which comprises a suction device, a platform cover plate and a platform bottom plate, wherein an adsorption cavity is arranged in the platform bottom plate, the adsorption cavity is provided with an air suction port, and the suction device is connected with the air suction port through an air pipe; the platform cover plate is provided with an adsorption hole and fixed on the platform bottom plate to cover the adsorption cavity; the adsorption holes are uniformly and densely distributed on the platform cover plate, the adsorption cavity is internally provided with an isolating strip, the adsorption cavity is divided into a plurality of air flow channels by the isolating strip, and each air flow channel corresponds to one part of the adsorption holes. The utility model discloses under the effect of the device that induced drafts, make the negative pressure all produce suction with the platform apron whole face, suction is more even, and adsorption area is big, adsorbs firmly. Meanwhile, the air flow channel area in the platform can be adjusted, so that the air flow channel area can be better adapted to circuit boards with different sizes, is not easily influenced by holes in the circuit boards, and effectively solves the problem that the circuit boards are unstable in adsorption and easy to shift due to the holes in the circuit boards.
Description
Technical Field
The utility model relates to an electronic circuit board's manufacturing sets up technical field, concretely relates to be applied to exposure adsorption platform of exposure machine.
Background
With the rapid development of the electronic circuit board industry, in recent years, there is an urgent need for improving the productivity of the exposure machine in the industry, so that more and more factories pay attention to the adoption of an automatic machine to replace manual operation, so as to reduce the labor cost and improve the production efficiency. The fully automatic exposure machine plays an important role in the exposure link of circuit board manufacturing, especially in the automatic wiring operation. At present, exposure adsorption platforms used by home and abroad exposure machine manufacturers in a full-automatic exposure machine mostly have the following problems: 1. the suction force is not enough, or the suction force is enough for a circuit board with a certain size, but the suction force is not enough for a circuit board with another size, so that the circuit board is stuck with a film after the exposure is finished; 2. when the circuit board is provided with a plurality of holes, the adsorption force is usually insufficient, so that the circuit board is stuck with film after the exposure is finished.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a realize that simple structure, design are more reasonable, can the whole face produce suction, suction is more even, adsorption area is big, adsorb firmly, air runner territory can be adjusted in certain extent, be difficult for receiving the exposure adsorption platform of circuit plate hole influence.
In order to solve the technical problem, the utility model adopts the following technical scheme: an exposure adsorption platform is characterized in that: the suction device is connected with the air suction port of the platform bottom plate through an air pipe, so that a negative pressure cavity is formed in the suction cavity; the platform cover plate is provided with an adsorption hole, the whole platform cover plate is fixed on the platform bottom plate to completely cover the adsorption cavity, and the adsorption hole is communicated with the adsorption cavity to realize the tight adsorption of the circuit board; the adsorption holes are uniformly and densely distributed on the platform cover plate, and all the adsorption holes are aligned and communicated with the adsorption cavity; the adsorption cavity is internally provided with an isolating strip, the adsorption cavity is divided into a plurality of air flow channels through the isolating strip, and each air flow channel corresponds to a part of the adsorption holes.
Furthermore, 2-4 isolating bars (such as 4 isolating bars) are arranged in the adsorption cavity to divide the whole adsorption cavity into 3-5 (such as 5) air flow channels.
Furthermore, all the isolating strips are parallel to each other and are uniformly arranged, so that all the air flow channels have the same size, and the adsorption force is more uniform.
Furthermore, the adsorption cavity is also provided with limiting ribs, each limiting rib is perpendicular to each isolation strip, and the isolation strips transversely penetrate and are embedded on the limiting ribs to form a limiting fixing structure for the isolation strips.
Furthermore, the two ends of each isolating strip are respectively connected and fixed with the platform bottom plate through the lifting adjusting device to form a lifting adjusting structure, and when the isolating strips are lifted to the highest position through the lifting adjusting device, the top surfaces of the isolating strips are tightly pressed with the bottom surface of the platform cover plate to form an isolating structure for air flow. For example, when the area of the circuit board to be inspected is small, one or some of the isolation bars can be lifted to reduce the area of the adsorption cavity, and the adsorption area of the platform cover plate is also reduced. And when the circuit board is great, then can descend the parting strip in order to increase adsorption area to realize with the size adaptation of circuit board. Therefore, the adsorption structure is particularly suitable for a circuit board with more holes, and the adsorption structure can adjust the adsorption area and move the circuit board to enable the adsorption holes and the holes on the circuit board to be staggered as much as possible, so that the effect of more stable adsorption is achieved.
Preferably, the lifting adjusting device is an adjusting screw, the isolating strip is made of a rubber strip, and a good sealing effect can be formed between the isolating strip and the bottom surface of the platform cover plate.
Preferably, the number of the limiting ribs is 1-2, and the limiting ribs are arranged in the middle area of the adsorption cavity to limit and fix the middle section position of the isolating strip, so that the middle section position of the isolating strip cannot deform and deviate due to the action of air pressure.
Preferably, the limiting rib and the bottom of the adsorption cavity are of an integral structure.
Preferably, the suction device is a vacuum pump or a blower.
The utility model discloses a unique platform bottom plate of project organization and platform apron mutually support, under the suction effect of the device that induced drafts, make the negative pressure pass through the wind hole that is the face form and arranges on the platform apron and reach the whole face and all produce suction, and suction is more even, and adsorption area is big, adsorbs firmly. Meanwhile, the air flow channel area in the platform can be adjusted, so that the air flow channel area can be better adapted to circuit boards with different sizes, is not easily influenced by holes in the circuit boards, and effectively solves the problem that the circuit boards are unstable in adsorption and easy to shift due to the holes in the circuit boards.
Drawings
FIG. 1 is a three-dimensional structure of the present invention;
fig. 2 is an internal structural view of the platform floor.
In the figure, 1 is an air suction device, 2 is a platform cover plate, 3 is a platform bottom plate, 31 is an adsorption cavity, 32 is an isolation strip, 33 is an air flow channel, 34 is an air suction port, 35 is a limiting rib, and 4 is an air pipe.
Detailed Description
In this embodiment, referring to fig. 1 and fig. 2, the exposure adsorption platform includes an air suction device 1, a platform cover plate 2 and a platform bottom plate 3, an adsorption cavity 31 is provided in the platform bottom plate 3, the adsorption cavity 31 is provided with an air suction port 34, and the air suction device 1 is connected to the air suction port 34 of the platform bottom plate 3 through an air pipe 4, so that a negative pressure cavity is formed in the adsorption cavity 31; the platform cover plate 2 is provided with an adsorption hole, the whole platform cover plate 2 is fixed on the platform bottom plate 3 to completely cover the adsorption cavity 31, and the adsorption hole is communicated with the adsorption cavity 31 to realize the tight adsorption of the circuit board; the adsorption holes are uniformly and densely distributed on the platform cover plate 2, and all the adsorption holes are aligned and communicated with the adsorption cavity 31; the adsorption cavity 31 is provided with a partition bar 32, the adsorption cavity 31 is divided into a plurality of air flow channels 33 by the partition bar 32, and each air flow channel 33 corresponds to a part of the adsorption holes.
In the adsorption chamber 31, 4 partition bars 32 are provided to partition the entire adsorption chamber 31 into 5 air flow passages 33.
The spacers 32 are parallel to each other and uniformly arranged, so that the air flow passages 33 have the same size, and the adsorption force is more uniform.
The adsorption cavity 31 is also internally provided with limiting ribs 35, each limiting rib 35 is perpendicular to each isolation strip 32, and the isolation strips 32 transversely penetrate and are embedded on the limiting ribs 35 to form a limiting and fixing structure for the isolation strips 32.
The two ends of each isolating strip 32 are respectively connected and fixed with the platform bottom plate 3 through a lifting adjusting device to form a lifting adjusting structure, and when the isolating strips 32 are lifted to the highest position through the lifting adjusting device, the top surfaces of the isolating strips 32 are tightly pressed with the bottom surface of the platform cover plate 2 to form an isolating structure for air flow. For example, when the area of the circuit board to be inspected is small, one or some of the isolation bars 32 may be lifted to reduce the area of the adsorption cavity, and thus the adsorption area of the platform cover plate 2 is reduced. When the circuit board is large, the isolation strip 32 can be lowered to increase the adsorption area, so as to realize the size adaptation with the circuit board. Therefore, the adsorption structure is particularly suitable for a circuit board with more holes, and the adsorption structure can adjust the adsorption area and move the circuit board to enable the adsorption holes and the holes on the circuit board to be staggered as much as possible, so that the effect of more stable adsorption is achieved.
The lifting adjusting device is an adjusting screw, the isolating strip 32 is made of rubber strips, and a good sealing effect can be formed between the isolating strip and the bottom surface of the platform cover plate 2.
Spacing muscle 35 is provided with 2, and spacing muscle 35 sets up in the middle zone of adsorbing chamber 31 to carry out spacing fixed to the middle section position of parting strip 32, make the middle section position of parting strip 32 can not produce the skew of warping because of atmospheric pressure effect.
The limiting rib 32 and the bottom of the adsorption cavity 31 are of an integral structure.
The air suction device 1 is a vacuum pump or a blower.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the scope of the invention, i.e. the present invention is intended to cover all equivalent variations and modifications within the scope of the present invention.
Claims (9)
1. An exposure adsorption platform is characterized in that: the suction device is connected with the air suction port of the platform bottom plate through an air pipe, so that a negative pressure cavity is formed in the suction cavity; the platform cover plate is provided with an adsorption hole, the whole platform cover plate is fixed on the platform bottom plate to completely cover the adsorption cavity, and the adsorption hole is communicated with the adsorption cavity to realize the tight adsorption of the circuit board; the adsorption holes are uniformly and densely distributed on the platform cover plate, and all the adsorption holes are aligned and communicated with the adsorption cavity; the adsorption cavity is internally provided with an isolating strip, the adsorption cavity is divided into a plurality of air flow channels through the isolating strip, and each air flow channel corresponds to a part of the adsorption holes.
2. The exposure adsorption platform of claim 1, wherein: 2-4 isolating bars are arranged in the adsorption cavity to divide the whole adsorption cavity into 3-5 air flow channels.
3. The exposure adsorption platform of claim 2, wherein: the isolating bars are parallel and uniformly arranged, so that the air flow channels have the same size.
4. The exposure adsorption platform of claim 2, wherein: and the adsorption cavity is also internally provided with limiting ribs which are vertical to the spacing bars, and the spacing bars transversely penetrate and are embedded on the limiting ribs to form a limiting and fixing structure for the spacing bars.
5. The exposure adsorption platform of claim 4, wherein: the two ends of each isolating strip are respectively connected and fixed with the platform bottom plate through the lifting adjusting device to form a lifting adjusting structure, and when the isolating strips are lifted to the highest position through the lifting adjusting device, the top surfaces of the isolating strips are tightly pressed with the bottom surface of the platform cover plate to form an isolating structure for air flow.
6. The exposure adsorption platform of claim 5, wherein: the lifting adjusting device is an adjusting screw, and the isolating strip is made of a rubber strip.
7. The exposure adsorption platform of claim 4, wherein: the spacing ribs are arranged in the middle area of the adsorption cavity and are 1-2, and the spacing ribs are arranged in the middle area of the adsorption cavity to limit and fix the middle section of the isolating bar.
8. The exposure adsorption platform of claim 7, wherein: the limiting rib and the bottom of the adsorption cavity are of an integrated structure.
9. The exposure adsorption platform of claim 1, wherein: the air suction device is a vacuum pump or a blower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120298551.6U CN214011722U (en) | 2021-02-02 | 2021-02-02 | Exposure adsorption platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120298551.6U CN214011722U (en) | 2021-02-02 | 2021-02-02 | Exposure adsorption platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214011722U true CN214011722U (en) | 2021-08-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120298551.6U Active CN214011722U (en) | 2021-02-02 | 2021-02-02 | Exposure adsorption platform |
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| Country | Link |
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| CN (1) | CN214011722U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024016676A1 (en) * | 2022-07-20 | 2024-01-25 | 上海美维电子有限公司 | Automatic exposure and fixation method for printed circuit board |
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2021
- 2021-02-02 CN CN202120298551.6U patent/CN214011722U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024016676A1 (en) * | 2022-07-20 | 2024-01-25 | 上海美维电子有限公司 | Automatic exposure and fixation method for printed circuit board |
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