CN102095441B - Vacuum platform of PCB (Printed Circuit Board) detection equipment - Google Patents
Vacuum platform of PCB (Printed Circuit Board) detection equipment Download PDFInfo
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- CN102095441B CN102095441B CN2010105618765A CN201010561876A CN102095441B CN 102095441 B CN102095441 B CN 102095441B CN 2010105618765 A CN2010105618765 A CN 2010105618765A CN 201010561876 A CN201010561876 A CN 201010561876A CN 102095441 B CN102095441 B CN 102095441B
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Abstract
The invention relates to a vacuum platform of PCB (Printed Circuit Board) detection equipment, mainly solving the problems of uneven PCB stress and nonadjustable absorption area of a traditional vacuum platform in use. The Vacuum platform of the PCB detection equipment is characterized in that a platform body (1) is internally provided with a plurality of parallel channels (3), one end of each channel is assembled and communicated with a device for generating vacuum, an annular groove (2) of the platform body (1) is internally provided with small holes (4) communicated with the channels (3), the platform body (1) is internally provided with a plurality of parallel long column valves (5) which vertically penetrate through the channels (3), and the vacuum incoming end of each channel (3) is provided with a short column valve (7). The vacuum platform of the PCB detection equipment can unify absorption force stressed on the PCB and adjust the absorption area and has the advantages of simple structure, convenience of use and wide range of applications.
Description
Technical field
The present invention relates to a kind of locating device of printed circuit board (PCB), be specifically related to the vacuum platform of PCB detecting equipment.
Background technology
At present, generally be to adopt the vacuum platform when producing printed circuit board (PCB) as positioning fixture, the vacuum platform is that the negative pressure of utilizing vacuum source (like air compressor machine, negative pressure generator, vacuum pump etc.) to be produced realizes printed circuit board (PCB) is formed the device of absorption location.Existing vacuum platform mainly is made up of platform body, blend stop and scale; Platform body wherein is a hollow structure; The upper surface of platform body is provided with a plurality of annular grooves; In described groove, be provided with the aperture that communicates with platform body internal cavities, platform body internal cavities communicates with the equipment (like vacuum pump) that produces negative pressure.During work, printed circuit board (PCB) is placed on the platform body, because platform body internal cavities pressure is lower than external atmospheric pressure, is attracted on the platform body at printed circuit board (PCB) under the effect of pressure reduction.There is following defective in existing vacuum platform: 1, the aperture owing to platform body upper surface directly communicates with its internal cavities; The flux of each aperture can not be regulated; Thereby the corresponding annular groove position of printed circuit board (PCB) can not reach identical vacuum tightness simultaneously, causes the phenomenon of printed circuit board (PCB) discontinuity; 2, printed circuit board (PCB) must cover the aperture of platform body top fully, and the binding domain of platform body can not be regulated, and only is suitable for a kind of printed circuit board (PCB) of specification.
Summary of the invention
The deficiency that printed circuit board (PCB) discontinuity and binding domain can not be regulated when using in order to overcome existing vacuum platform; The present invention provides a kind of vacuum platform of PCB detecting equipment; The vacuum platform of this PCB detecting equipment can make the impartial and adjusting binding domain of the suffered absorption affinity of printed circuit board (PCB), has simple in structure, easy to use and advantage of wide range of application.
Technical scheme of the present invention is: the vacuum platform of this PCB detecting equipment comprises the platform body; The platform body is provided with a plurality of annular grooves; Platform body inside is provided with a plurality of parallel passages, and an end of described passage is assembled the back and communicated with vacuum device, and the other end of described passage is a cecum; Be provided with the aperture that communicates with described passage in the annular groove of platform body; Be provided with a plurality of parallel long column valve that vertically runs through described passage in the platform body, perforation place of described long column valve and passage is provided with radial direction through hole, and rotation long column valve can be controlled the flux of each passage simultaneously; The vacuum incoming end of described passage is provided with the short column valve, and the vertical described passage of described short column valve and its end are positioned at the top of platform body, and rotation short column valve can be controlled the flux of the passage corresponding with it.
The end of described long column valve is connected with knob, and the madial wall of knob is provided with 90 ° of arc grooves, and the stationkeeping of corresponding described arc groove has backing pin on the platform body, and described backing pin end is positioned at described arc groove.
The platform body of the other end of described long column valve is provided with plug.
The back side of described platform body has groove, and described groove all communicates with each passage, and cover plate and vacuum adapter are housed on the described groove.
The edge of the top of described platform body is provided with blend stop and scale, and blend stop is 2 and is located at both sides adjacent on the platform body.
The folding corner region that intersects of 2 blend stops is provided with minimum binding domain on the described platform body, and long column valve and short column valve are not set on the platform body in described minimum binding domain.
The upper surface of the end face of described short column valve and platform body is on same plane, and the short column valve is provided with three through holes.
The end face of described short column valve is provided with bar-shaped trough.
The invention has the beneficial effects as follows: owing to take such scheme; The long column valve can be regulated the flux of each passage simultaneously; The short column valve can be regulated the flux of each passage separately, thereby can regulate the aperture flux in each annular groove in long column valve and the formed intersection region of each passage, makes from the nearer zone of vacuum source to reach identical vacuum tightness simultaneously with zone far away; Just make the suffered absorption affinity of printed circuit board (PCB) impartial, printed circuit board (PCB) is stressed evenly.Simultaneously, the present invention can transfer platform body top binding domain area through closing long column valve and short column valve, and is simple in structure to adapt to the printed circuit board (PCB) of different size, easy to use, applied widely.
Description of drawings
Accompanying drawing 1 is a perspective view of the present invention.
Accompanying drawing 3 is structure enlarged drawings of annular groove 2 among Fig. 1.
Accompanying drawing 4 is structural representations of Fig. 1 middle long column valve 5.
Accompanying drawing 5 is structural representations of the short-and-medium column valve 7 of Fig. 1.
Accompanying drawing 6 is structural representations of knob 8 among Fig. 1.
1-platform body among the figure, 2-annular groove, 3-passage, 4-aperture, 5-long column valve; The 6-radial direction through hole, 7-short column valve, 8-knob, 9-arc groove, 10-backing pin; The 11-plug, 12-groove, 13-cover plate, 14-vacuum adapter, 15-blend stop; The 16-scale, the minimum binding domain of 17-, 18-three through holes, 19-bar-shaped trough.
Embodiment
Below in conjunction with accompanying drawing the present invention is described further:
Combine Fig. 2-shown in Figure 6 by Fig. 1; The vacuum platform of this PCB detecting equipment comprises platform body 1, and platform body 1 is provided with a plurality of annular grooves 2, and platform body 1 inside is provided with a plurality of parallel passages 3; One end of described passage 3 is assembled the back and is communicated with vacuum device; The other end of described passage 3 is a cecum, is provided with the aperture 4 that communicates with described passage 3 in the annular groove 2 of platform body 1, is provided with a plurality of parallel long column valve 5 that vertically runs through described passage 3 in the platform body 1; Described long column valve 5 is provided with radial direction through hole 6 with perforation place of passage 3, and rotation long column valve 5 can be controlled the flux of each passage 3 simultaneously; The vacuum incoming end of described passage 3 is provided with short column valve 7, and described short column valve 7 vertical described passages 3 and its end are positioned at the top of platform body 1, and rotation short column valve 7 can be controlled the flux of the passage corresponding with it 3.In use; Long column valve 5 can be regulated the flux of each passage 3 simultaneously; Short column valve 7 can be regulated the flux of each passage 3 separately, thereby can regulate the flux of the aperture 4 in each annular groove 2 in long column valve 5 and each passage 3 formed intersection region, makes platform body 1 top reach identical vacuum tightness from the nearer zone of vacuum source simultaneously with zone far away; Just make the suffered absorption affinity of printed circuit board (PCB) impartial, printed circuit board (PCB) is stressed evenly.Simultaneously, the present invention can transfer through closing 7 pairs of platform bodies of long column valve 5 and short column valve, 1 top binding domain area, and is simple in structure to adapt to the printed circuit board (PCB) of different size, easy to use, applied widely.
Combine Fig. 2, Fig. 4 and shown in Figure 6 by Fig. 1; The end of described long column valve 5 is connected with knob 8; The madial wall of knob 8 is provided with 90 ° of arc grooves 9, and the stationkeeping of corresponding described arc groove 9 has backing pin 10 on the platform body 1, and described backing pin 10 ends are positioned at described arc groove 9.Two extreme positions on the arc groove 9 are positions of long column valve 5 full open position and closed condition, 10 position-limiting actions of backing pin.
By shown in Figure 2, the platform body 1 of the other end of described long column valve 5 is provided with plug 11.Plug 11 is stifled for fabrication hole, mainly is the mounting hole of being convenient to process long column valve 5.
Combined shown in Figure 2ly by Fig. 1, the back side of described platform body 1 has groove 12, and described groove 12 all communicates with each passage 3, and cover plate 13 and vacuum adapter 14 are housed on the described groove 12.Vacuum adapter 14 is connected vacuum source through pipeline.
By shown in Figure 1, the edge of the top of described platform body 1 is provided with blend stop 15 and scale 16, and blend stop 15 is 2 and is located at both sides adjacent on the platform body 1.In use, two limits of printed circuit board (PCB) lean against on the blend stop 15, from scale 16, can find out the zone that printed circuit board (PCB) belongs to.
By shown in Figure 2, the folding corner region that intersects of 2 blend stops 16 is provided with minimum binding domain 17 on the described platform body 1, and long column valve 5 and short column valve 7 are not set on the platform body 1 in described minimum binding domain 17.Confirming of minimum binding domain 17 reduced the quantity of long column valve 5 and short column valve 7, is convenient to processing, reduced cost.
Combine Fig. 2 and shown in Figure 5 by Fig. 1, the upper surface of the end face of described short column valve 7 and platform body 1 is on same plane, and short column valve 7 is provided with three through holes 18.The effect of three through holes 18 on the short column valve 7 is identical with the effect of aperture 4.When closing short column valve 7, three through holes 18 also are closed.
By shown in Figure 5, the end face of described short column valve 7 is provided with bar-shaped trough 19.The design of bar-shaped trough 19 instrument rotation easy to use short column valve 7.
Claims (7)
1. the vacuum platform of a PCB detecting equipment; Comprise platform body (1); Platform body (1) is provided with a plurality of annular grooves (2); It is characterized in that: platform body (1) inside is provided with a plurality of parallel passages (3), and an end of described passage (3) is assembled the back and communicated with vacuum device, and the other end of described passage (3) is a cecum; Be provided with the aperture (4) that communicates with described passage in the annular groove (2) of platform body (1); Be provided with a plurality of parallel long column valve (5) that vertically runs through described passage (3) in the platform body (1), described long column valve (5) is provided with radial direction through hole (6) with perforation place of passage (3), and rotation long column valve (5) can be controlled the flux of each passage (3) simultaneously; The vacuum incoming end of described passage (3) is provided with short column valve (7), and the vertical described passage of described short column valve (7) (3) and its end are positioned at the top of platform body (1), and rotation short column valve (7) can be controlled the flux of the passage corresponding with it (3); The end of described long column valve (5) is connected with knob (8); The madial wall of knob (8) is provided with 90 ° of arc grooves (9); The stationkeeping that platform body (1) is gone up corresponding described arc groove (9) has backing pin (10), and described backing pin (10) end is positioned at described arc groove (9).
2. the vacuum platform of PCB detecting equipment according to claim 1 is characterized in that: the platform body (1) of the other end of described long column valve (5) is provided with plug (11).
3. the vacuum platform of PCB detecting equipment according to claim 1 and 2; It is characterized in that: the back side of described platform body (1) has groove (12); Described groove (12) all communicates with each passage (3), and cover plate (13) and vacuum adapter (14) are housed on the described groove (12).
4. the vacuum platform of PCB detecting equipment according to claim 1 and 2 is characterized in that: the edge of the top of described platform body (1) is provided with blend stop (15) and scale (16), and blend stop (15) is 2 and is located at upward adjacent both sides of platform body (1).
5. the vacuum platform of PCB detecting equipment according to claim 4; It is characterized in that: the folding corner region that intersects of last 2 blend stops of described platform body (1) (15) is provided with minimum binding domain (17), and long column valve (5) and short column valve (7) are not set on the platform body (1) in described minimum binding domain (17).
6. the vacuum platform of PCB detecting equipment according to claim 1 and 2 is characterized in that: the upper surface of the end face of described short column valve (7) and platform body (1) is on same plane, and short column valve (7) is provided with three through holes (18).
7. the vacuum platform of PCB detecting equipment according to claim 6 is characterized in that: the end face of described short column valve (7) is provided with bar-shaped trough (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105618765A CN102095441B (en) | 2010-11-26 | 2010-11-26 | Vacuum platform of PCB (Printed Circuit Board) detection equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105618765A CN102095441B (en) | 2010-11-26 | 2010-11-26 | Vacuum platform of PCB (Printed Circuit Board) detection equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102095441A CN102095441A (en) | 2011-06-15 |
| CN102095441B true CN102095441B (en) | 2012-08-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105618765A Active CN102095441B (en) | 2010-11-26 | 2010-11-26 | Vacuum platform of PCB (Printed Circuit Board) detection equipment |
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Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2554138Y (en) * | 2002-06-15 | 2003-06-04 | 由田新技股份有限公司 | Vacuum adsorption device of automatic adjusting adsorption range |
| TWM321831U (en) * | 2007-01-17 | 2007-11-11 | Yung-Tsai Shen | Vacuum absorbing device for a workbench |
| ITTO20070074U1 (en) * | 2007-06-07 | 2008-12-08 | Co Matic S A S Di Cavallari Iv | TAKING OF ARTICLES USING THE EMPTY |
| CN201867199U (en) * | 2010-11-26 | 2011-06-15 | 浙江欧威科技有限公司 | Vacuum platform of printed circuit board testing device |
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- 2010-11-26 CN CN2010105618765A patent/CN102095441B/en active Active
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| CN102095441A (en) | 2011-06-15 |
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| C14 | Grant of patent or utility model | ||
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Vacuum platform of PCB (Printed Circuit Board) detection equipment Effective date of registration: 20141203 Granted publication date: 20120808 Pledgee: China Co truction Bank Corp Wenzhou economic and Technological Development Zone sub branch Pledgor: Zhejiang OVA Technology Co., Ltd. Registration number: 2014990001024 |
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Date of cancellation: 20180309 Granted publication date: 20120808 Pledgee: China Co truction Bank Corp Wenzhou economic and Technological Development Zone sub branch Pledgor: Zhejiang OVA Technology Co., Ltd. Registration number: 2014990001024 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |