CN103143531B - A kind of flexible PCB surface dust remover - Google Patents

A kind of flexible PCB surface dust remover Download PDF

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Publication number
CN103143531B
CN103143531B CN201310055567.4A CN201310055567A CN103143531B CN 103143531 B CN103143531 B CN 103143531B CN 201310055567 A CN201310055567 A CN 201310055567A CN 103143531 B CN103143531 B CN 103143531B
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air
tuyere
integrating device
air draught
tuyere apparatus
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CN103143531A (en
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周崇铭
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Jiangsu Union Semiconductor Co Ltd
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Jiangsu Union Semiconductor Co Ltd
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Abstract

The present invention discloses a kind of flexible PCB surface dust remover, with air compressor and blower fan with the use of, flexible PCB surface dust remover comprises central shaft fixed mount, tuyere apparatus, air draught integrating device and angle demodulator, tuyere apparatus and air draught integrating device arranged in parallel; The first end of tuyere apparatus is connected with center fixed frame respectively with the first end of air draught integrating device, and the second end of tuyere apparatus is connected with angle demodulator respectively with the second end of air draught integrating device; Tuyere apparatus inside is provided with air chamber, and tuyere apparatus surface is provided with at least one tuyere, and each tuyere is all communicated with air chamber, and the opening of each tuyere is all towards the region between tuyere apparatus and air draught integrating device; Air draught integrating device is provided with at least one air-suction channel, and the air inlet of each air-suction channel is all towards the region between tuyere apparatus and air draught integrating device.The present invention can blow down metal micronic dust, and collects by the metal micronic dust blown down, and cleaning efficiency is high.

Description

A kind of flexible PCB surface dust remover
Technical field
The present invention relates to a kind of flexible PCB surface dust remover.
Background technology
Along with the lifting of flat-paneled display screens resolution ratio, the pin count of flat-paneled display screens driving chip also increases relatively, and the distance between adjacent pin is contracted to 20 ~ 25um, in packaging technology, metal micronic dust can make short circuit between pin, causes driving chip to lose efficacy.
In order to clean metal micronic dust, general employing is glued wheel and is sticked technology, but due to the flexible PCB uneven surface at flat-paneled display screens driving chip place, and the height of line levels, green paint height and flexible support plate all has difference, sticks incomplete problem so can exist.And sticky position of taking turns adhesiving metal micronic dust, can not adhere to the micronic dust on follow-up FPC again, and therefore sticky wheel needs by frequent cleans, seriously reduces production efficiency.
In addition, use sticky wheel to stick FPC, in the process that sticky wheel surface and FPC are peeled off, easily produce electrostatic, affect product quality.And the thickness of flexible PCB is less, approximately only has 0.1mm, when using sticky wheel in flexible PCB front and reverse side, easily cause flexible PCB curling, and curling direction is difficult to control simultaneously, and then causes flexible PCB to lose.
The sticky wheel of current flexible PCB sticks micronic dust device and is all used only in one side, but the metal micronic dust at the back side of flexible PCB can cause and cause golden projection to be out of shape during the pin pressing of the golden projection on chip on flexible PCB to make the spacing between golden projection narrow, also can produce the problem such as short circuit or sealing bubble.Therefore, existing employing is glued wheel and is sticked FPC and can not meet Production requirement with the method for clean metal micronic dust.
Summary of the invention
The technical problem that the present invention mainly solves is to provide a kind of flexible PCB surface dust remover, can blow down metal micronic dust, and collects by the metal micronic dust blown down, and cleaning efficiency is high.
For solving the problems of the technologies described above, the technical solution used in the present invention is: provide a kind of flexible PCB surface dust remover, with air compressor and blower fan with the use of, described flexible PCB surface dust remover comprises central shaft fixed mount, tuyere apparatus, air draught integrating device and angle demodulator, described tuyere apparatus and air draught integrating device arranged in parallel; The first end of described tuyere apparatus is connected with center fixed frame respectively with the first end of air draught integrating device, and the second end of tuyere apparatus is connected with angle demodulator respectively with the second end of air draught integrating device; Described tuyere apparatus inside is provided with air chamber, and tuyere apparatus surface is provided with at least one tuyere, and each tuyere is all communicated with air chamber, and the opening of each tuyere is all towards the region between tuyere apparatus and air draught integrating device; Described air draught integrating device is provided with at least one air-suction channel, and the air inlet of each air-suction channel is all towards the region between tuyere apparatus and air draught integrating device.
In a preferred embodiment of the present invention, described flexible PCB surface dust remover comprises two tuyere apparatus, i.e. the first tuyere apparatus and the second tuyere apparatus, the tuyere on each tuyere apparatus is pancake, and the second end of each tuyere apparatus is equipped with the first sliding tray.
In a preferred embodiment of the present invention, the inside of each tuyere apparatus is equipped with can apparent wind mouth device outer wall first central fixed shaft of rotating, first central fixed shaft extends to the second end of tuyere apparatus from the first end of tuyere apparatus, and each first central fixed shaft is all connected with central shaft fixed mount.
In a preferred embodiment of the present invention, each tuyere apparatus is provided with air duct further, described air duct is communicated with air chamber, and air chamber is connected with air compressor by air duct.
In a preferred embodiment of the present invention, described flexible PCB surface dust remover comprises two air draught integrating devices, i.e. the first air draught integrating device and the second air draught integrating device, and the second end of each air draught integrating device is equipped with the second sliding tray.
In a preferred embodiment of the present invention, each air draught dust device inside is equipped with the second central fixed shaft can rotated relative to air draught dust device, second central fixed shaft extends to the second end of air draught dust device from the first end of air draught dust device, each second central fixed shaft is all connected with central shaft fixed mount, and each air draught integrating device is connected with blower fan by air-suction channel.
In a preferred embodiment of the present invention, described flexible PCB surface dust remover comprises tuyere air-out switching device further, and described tuyere air-out switching device two ends are equipped with guide rod, and described tuyere air-out switching device is electrically connected with air compressor.
In a preferred embodiment of the present invention, described flexible PCB surface dust remover comprises two angle demodulators, i.e. the first angle demodulator and the second angle demodulator, wherein, first angle demodulator is connected with the second end of tuyere apparatus, and the second angle demodulator is connected with the second end of air draught integrating device.
In a preferred embodiment of the present invention, each angle demodulator includes main support rod, through hole is provided with in the middle part of main support rod, described hole size is mated with the cross section size of described guide rod, main support rod is slidably located on guide rod by through hole, main support rod two ends are respectively equipped with adjusting rod, and the adjusting rod at main support rod two ends is parallel to each other, and adjusting rod is perpendicular to main support rod.
In a preferred embodiment of the present invention, the adjusting rod of first angle demodulator one end is located in the first sliding tray of the first tuyere apparatus slidably, and the adjusting rod of the other end is located in the first sliding tray of the second tuyere apparatus slidably; The adjusting rod of second angle demodulator one end is located in the second sliding tray of the first air draught integrating device slidably, and the adjusting rod of the other end is located in the second sliding tray of the second air draught integrating device slidably.
The invention has the beneficial effects as follows: described tuyere apparatus can blow down metal micronic dust, air draught integrating device can be collected by the metal micronic dust blown down, and prevents the secondary pollution of metal micronic dust, simple to operation, improves cleaning efficiency.
Accompanying drawing explanation
Fig. 1 is the structural representation of flexible PCB surface dust remover one of the present invention preferred embodiment;
Fig. 2 is the structural representation of tuyere apparatus of the present invention;
Fig. 3 is the structural representation of air draught integrating device of the present invention;
Fig. 4 is the structural representation of angle demodulator of the present invention;
Fig. 5 is the structural representation of tuyere air-out switching device of the present invention.
In accompanying drawing, the mark of each parts is as follows: 1, central shaft fixed mount; 2, tuyere apparatus; 201, tuyere; 202, the first sliding tray; 3, air draught integrating device; 301, air-suction channel; 301a, air inlet; 302, the second sliding tray; 4, angle demodulator; 401, main support rod; 402, through hole; 403, adjusting rod; 5, tuyere air-out switching device; 501, guide rod.
Detailed description of the invention
Below in conjunction with accompanying drawing, preferred embodiment of the present invention is described in detail, can be easier to make advantages and features of the invention be readily appreciated by one skilled in the art, thus more explicit defining is made to protection scope of the present invention.
Refer to Fig. 1 to Fig. 5, the embodiment of the present invention comprises:
A kind of flexible PCB surface dust remover, with air compressor (not shown) and blower fan (not shown) with the use of, described flexible PCB surface dust remover comprises central shaft fixed mount 1, tuyere apparatus 2, air draught integrating device 3, angle demodulator 4 and tuyere air-out switching device 5.Described tuyere apparatus 2 and air draught integrating device 3 arranged in parallel; The first end of described tuyere apparatus 2 is connected with central shaft fixed mount 1 respectively with the first end of air draught integrating device 3, and the second end of tuyere apparatus 2 is connected with angle demodulator 4 respectively with the second end of air draught integrating device 3.
Tuyere apparatus 2 surface is provided with multiple tuyere 201, and each tuyere 201 is pancake, and each tuyere 201 is all communicated with air chamber, and the opening of each tuyere 201 is all towards the region between tuyere apparatus 2 and air draught integrating device 3.Described tuyere apparatus 2 inside is provided with air chamber (not shown) and air duct (not shown), and described air duct is communicated with air chamber, and air chamber is connected with air compressor by air duct.
Air after compression is inputed to air chamber by air duct by air compressor, air after compression is sprayed by tuyere 201 and forms flat wind post, the width of flat wind post along wind post flow direction and increase, multiple flat wind post can cover whole flexible PCB, thus thoroughly blows down the metal micronic dust on flexible PCB.Can be understood as, the number of tuyere 201 and shape can design according to the width of flexible PCB, and tuyere 201 is not limited to platypelloid type, the shape being designed to other also can, in the present embodiment, the shape of tuyere 201 is preferably pancake.
The present embodiment comprises two tuyere apparatus 2, i.e. the first tuyere apparatus and the second tuyere apparatus, and the second end of each tuyere apparatus 2 is equipped with the first sliding tray 202.The inside of each tuyere apparatus 2 is equipped with can the apparent wind mouth device 2 outer wall first central fixed shaft (not shown) of rotating, first central fixed shaft extends to the second end of tuyere apparatus 2 from the first end of tuyere apparatus 2, and each first central fixed shaft is all connected with central shaft fixed mount 1.
Described air draught integrating device 3 is provided with at least one air-suction channel 301, and the air inlet 301a of each air-suction channel 301 is all towards the region between tuyere apparatus 2 and air draught integrating device 3.The present embodiment comprises two air draught integrating devices 3, and namely the first air draught integrating device and the second air draught integrating device, each air draught integrating device 3 is only provided with an air-suction channel 301, and the second end of each air draught integrating device 3 is equipped with the second sliding tray 302.Each air draught dust device inside is equipped with the second central fixed shaft (not shown) can rotated relative to air draught dust device, second central fixed shaft extends to the second end of air draught dust device from the first end of air draught dust device, each second central fixed shaft is all connected with central shaft fixed mount 1, and each air draught integrating device 3 is connected with blower fan by air-suction channel 301.
After described blower fan work, air inlet 301a air intake, is flowed into air-suction channel 301 by the metallic dust that flat wind post blows down along with air, finally enters blower fan and processed discharge.
Described tuyere air-out switching device 5 two ends are equipped with guide rod 501, and described tuyere air-out switching device 5 is electrically connected with air compressor.Tuyere air-out switching device 5 can control air compressor work, thus controls the first tuyere apparatus 2 respectively and the second tuyere apparatus 2 is opened or closed.
The present embodiment comprises two angle demodulators 4, i.e. the first angle demodulator and the second angle demodulator, and wherein, the first angle demodulator is connected with the second end of tuyere apparatus 2, and the second angle demodulator is connected with the second end of air draught integrating device 3.
Each angle demodulator 4 includes main support rod 401, through hole 402 is provided with in the middle part of main support rod 401, described through hole 402 size is mated with the cross section size of described guide rod 501, main support rod 401 to be slidably located on guide rod 501 by through hole 402, main support rod 401 two ends are respectively equipped with adjusting rod 403, the adjusting rod 403 at main support rod 401 two ends is parallel to each other, and adjusting rod 403 is perpendicular to main support rod 401.
The adjusting rod 403 of first angle demodulator one end is located in the first sliding tray 202 of the first tuyere apparatus slidably, and the adjusting rod 403 of the other end is located in the first sliding tray 202 of the second tuyere apparatus slidably; The adjusting rod 403 of second angle demodulator one end is located in the second sliding tray 302 of the first air draught integrating device slidably, and the adjusting rod 403 of the other end is located in the second sliding tray 302 of the second air draught integrating device slidably.
When the first angle demodulator slides on guide rod 501, the adjusting rod 403 at the first angle demodulator two ends slides along the first sliding tray 202, first tuyere apparatus and the second tuyere apparatus respectively with the first separately inner central fixed shaft for rotating shaft rotates, thus regulate the angle of tuyere 201.The wind post of the first tuyere apparatus blows the front at flexible PCB, the wind post of the second tuyere apparatus blows the reverse side at flexible PCB, and the pressure of the wind post regulating the angle of tuyere 201 that positive and negative in the same point of flexible PCB can be made to be subject to is identical, flexible PCB is avoided to produce serious shake because blowing stress point is different.
When the second angle demodulator slides on guide rod 501, the adjusting rod 403 at the second angle demodulator two ends slides along the second sliding tray 302, first air draught integrating device and the second air draught integrating device respectively with the second separately inner central fixed shaft for rotating shaft rotates, thus regulate the angle of air inlet 301a, make the first air draught integrating device and the second air draught integrating device collect the positive and negative of flexible PCB better by the metal micronic dust blown down.
Compared with existing flexible PCB surface dust remover, the present invention has the following advantages: described tuyere apparatus 2 can blow down metal micronic dust, and tuyere 201 adopts platypelloid type, whole flexible PCB can be covered, thoroughly blow down the metal micronic dust on flexible PCB; Described first angle demodulator can adjust the position of the first tuyere apparatus and the second tuyere apparatus, thus adjustment wind post angle, the pressure of the wind post that positive and negative in the same point of flexible PCB is subject to is identical, avoids flexible PCB to be out of shape; Described second angle demodulator can adjust the angle of the air inlet 301a on the first air draught integrating device and the second air draught integrating device, is conducive to collecting metal micronic dust better according to different situations, prevents the secondary pollution of metal micronic dust, improve cleaning efficiency.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize description of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.

Claims (6)

1. a flexible PCB surface dust remover, with air compressor and blower fan with the use of, it is characterized in that, described flexible PCB surface dust remover comprises central shaft fixed mount, tuyere apparatus, air draught integrating device and angle demodulator, described tuyere apparatus and air draught integrating device arranged in parallel; The first end of described tuyere apparatus is connected with center fixed frame respectively with the first end of air draught integrating device, and the second end of tuyere apparatus is connected with angle demodulator respectively with the second end of air draught integrating device; Described tuyere apparatus inside is provided with air chamber, and tuyere apparatus surface is provided with at least one tuyere, and each tuyere is all communicated with air chamber, and the opening of each tuyere is all towards the region between tuyere apparatus and air draught integrating device; Described air draught integrating device is provided with at least one air-suction channel, the air inlet of each air-suction channel all towards the region between tuyere apparatus and air draught integrating device,
Wherein, described flexible PCB surface dust remover comprises two tuyere apparatus, two angle demodulators and two air draught integrating devices, i.e. the first tuyere apparatus and the second tuyere apparatus of two tuyere apparatus, tuyere on each tuyere apparatus is pancake, and the second end of each tuyere apparatus is equipped with the first sliding tray; I.e. the first air draught integrating device and the second air draught integrating device of two air draught integrating devices, the second end of each air draught integrating device is equipped with the second sliding tray; I.e. the first angle demodulator and the second angle demodulator of two angle demodulators, the first angle demodulator is connected with the second end of tuyere apparatus, and the second angle demodulator is connected with the second end of air draught integrating device; The adjusting rod of described first angle demodulator one end is located in the first sliding tray of the first tuyere apparatus slidably, and the adjusting rod of the other end is located in the first sliding tray of the second tuyere apparatus slidably; The adjusting rod of second angle demodulator one end is located in the second sliding tray of the first air draught integrating device slidably, and the adjusting rod of the other end is located in the second sliding tray of the second air draught integrating device slidably.
2. flexible PCB surface dust remover as claimed in claim 1, it is characterized in that, the inside of each tuyere apparatus is equipped with can apparent wind mouth device outer wall first central fixed shaft of rotating, first central fixed shaft extends to the second end of tuyere apparatus from the first end of tuyere apparatus, and each first central fixed shaft is all connected with central shaft fixed mount.
3. flexible PCB surface dust remover as claimed in claim 1, it is characterized in that, each tuyere apparatus is provided with air duct further, and described air duct is communicated with air chamber, and air chamber is connected with air compressor by air duct.
4. flexible PCB surface dust remover as claimed in claim 1, it is characterized in that, each air draught integrating device inside is equipped with the second central fixed shaft can rotated relative to air draught integrating device, second central fixed shaft extends to the second end of air draught integrating device from the first end of air draught integrating device, each second central fixed shaft is all connected with central shaft fixed mount, and each air draught integrating device is connected with blower fan by air-suction channel.
5. flexible PCB surface dust remover as claimed in claim 1, it is characterized in that, described flexible PCB surface dust remover comprises tuyere air-out switching device further, described tuyere air-out switching device two ends are equipped with guide rod, and described tuyere air-out switching device is electrically connected with air compressor.
6. flexible PCB surface dust remover as claimed in claim 5, it is characterized in that, each angle demodulator includes main support rod, through hole is provided with in the middle part of main support rod, described hole size is mated with the cross section size of described guide rod, and main support rod is slidably located on guide rod by through hole, and main support rod two ends are respectively equipped with adjusting rod, the adjusting rod at main support rod two ends is parallel to each other, and adjusting rod is perpendicular to main support rod.
CN201310055567.4A 2013-02-21 2013-02-21 A kind of flexible PCB surface dust remover Active CN103143531B (en)

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CN103143531B true CN103143531B (en) 2015-09-16

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CN105458350A (en) * 2015-12-15 2016-04-06 重庆触视科技有限公司 Cleaning device special for circuit board
CN108789648A (en) * 2018-06-13 2018-11-13 刘定勇 A kind of construction site construction timber cutter device
CN115264600B (en) * 2022-08-09 2024-06-14 珠海格力电器股份有限公司 Air duct cleaning assembly, air conditioner and air duct cleaning method of air conditioner

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