CN201867199U - Vacuum platform of printed circuit board testing device - Google Patents
Vacuum platform of printed circuit board testing device Download PDFInfo
- Publication number
- CN201867199U CN201867199U CN2010206281186U CN201020628118U CN201867199U CN 201867199 U CN201867199 U CN 201867199U CN 2010206281186 U CN2010206281186 U CN 2010206281186U CN 201020628118 U CN201020628118 U CN 201020628118U CN 201867199 U CN201867199 U CN 201867199U
- Authority
- CN
- China
- Prior art keywords
- platform body
- platform
- vacuum
- column valve
- passage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Landscapes
- Details Of Valves (AREA)
Abstract
The utility model relates to a vacuum platform of a printed circuit board testing device, which mainly solves the problems that when the existing vacuum platform is used, a printed circuit board can not bear force uniformly and an adsorption area can not be adjusted. The vacuum platform is characterized in that a plurality of parallel channels (3) are arranged in a platform body (1), one ends of the channels (3) are assembled and are then communicated with a vacuum generating device, small holes (4) communicated with the channels are arranged in annular grooves (2) of the platform body (1), and a plurality of parallel long column valves (5) vertically penetrating through the channels (3) are arranged in the platform body (1); and the vacuum access ends of the channels (3) are respectively provided with a short column valve (7). When the vacuum platform of the printed circuit board testing device is used, the printed circuit board can bear force uniformly, and the adsorption area can be adjusted. Moreover, the vacuum platform of the printed circuit board testing device has a simple structure, is convenient to use, and also has a wide scope of application.
Description
Technical field
The utility model relates to a kind of locating device of printed circuit board (PCB), is 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 (as 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, be provided with the aperture that communicates with platform body internal cavities in described groove, platform body internal cavities communicates with the equipment (as 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 annular groove position of printed circuit board (PCB) correspondence 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.
The utility model content
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 utility model 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.
The technical solution of the utility model 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, one end of described passage is assembled the back and is communicated with vacuum device, 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 beneficial effects of the utility model are: 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, make from the nearer zone of vacuum source and reach identical vacuum tightness simultaneously with zone far away, just make the suffered absorption affinity equalization of printed circuit board (PCB), printed circuit board (PCB) is stressed evenly.Simultaneously, the utility model can be transferred platform body top binding domain area by 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 utility model.
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, 6-radial direction through hole, 7-short column valve, the 8-knob, 9-arc groove, 10-backing pin, the 11-plug, 12-groove, 13-cover plate, the 14-vacuum adapter, 15-blend stop, 16-scale, the minimum binding domain of 17-, 18-three through holes, 19-bar-shaped trough.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing:
By Fig. 1 in conjunction with Fig. 2-shown in Figure 6, the vacuum platform of this PCB detecting equipment comprises platform body 1, platform body 1 is provided with a plurality of annular grooves 2, 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, be provided with the aperture 4 that communicates with described passage 3 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 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, make platform body 1 top reach identical vacuum tightness simultaneously with zone far away from the nearer zone of vacuum source, just make the suffered absorption affinity equalization of printed circuit board (PCB), printed circuit board (PCB) is stressed evenly.Simultaneously, the utility model can be transferred by 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.
By Fig. 1 in conjunction with Fig. 2, Fig. 4 and shown in Figure 6, 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.
In conjunction with shown in Figure 2, the back side of described platform body 1 has groove 12 by Fig. 1, 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 by 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, the zone at printed circuit board (PCB) place as can be seen from the scale 16.
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, on the platform body 1 in described minimum binding domain 17 long column valve 5 and short column valve 7 is not set.Determining of minimum binding domain 17 reduced the quantity of long column valve 5 and short column valve 7, is convenient to processing, reduced cost.
In conjunction with Fig. 2 and shown in Figure 5, the upper surface of the end face of described short column valve 7 and platform body 1 is on same plane by Fig. 1, 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 (8)
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), 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, 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).
2. the vacuum platform of PCB detecting equipment according to claim 1, it is characterized in that: 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).
3. the vacuum platform of PCB detecting equipment according to claim 1 and 2 is characterized in that: the platform body (1) of the other end of described long column valve (5) is provided with plug (11).
4. the vacuum platform of PCB detecting equipment according to claim 3, 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).
5. the vacuum platform of PCB detecting equipment according to claim 1 and 2, it 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).
6. the vacuum platform of PCB detecting equipment according to claim 5, 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).
7. 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).
8. the vacuum platform of PCB detecting equipment according to claim 7 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 |
|---|---|---|---|
| CN2010206281186U CN201867199U (en) | 2010-11-26 | 2010-11-26 | Vacuum platform of printed circuit board testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206281186U CN201867199U (en) | 2010-11-26 | 2010-11-26 | Vacuum platform of printed circuit board testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201867199U true CN201867199U (en) | 2011-06-15 |
Family
ID=44138351
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206281186U Expired - Lifetime CN201867199U (en) | 2010-11-26 | 2010-11-26 | Vacuum platform of printed circuit board testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201867199U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102095441A (en) * | 2010-11-26 | 2011-06-15 | 浙江欧威科技有限公司 | Vacuum platform of PCB (Printed Circuit Board) detection equipment |
-
2010
- 2010-11-26 CN CN2010206281186U patent/CN201867199U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102095441A (en) * | 2010-11-26 | 2011-06-15 | 浙江欧威科技有限公司 | Vacuum platform of PCB (Printed Circuit Board) detection equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107350989B (en) | Vacuum adsorption workbench and vacuum adsorption device | |
| CN205057607U (en) | Automatic suction table of multizone | |
| CN201867199U (en) | Vacuum platform of printed circuit board testing device | |
| CN106569119A (en) | High-precision automatic ultrathin flexible circuit board ICT test fixture and working method thereof | |
| CN204505060U (en) | A kind of vacuum sucking operation table system | |
| CN203566387U (en) | Vacuum magnetic force adsorbing platform | |
| CN102095441B (en) | Vacuum platform of PCB (Printed Circuit Board) detection equipment | |
| CN205703112U (en) | Automatic dynamic adjusts optics kludge sensor stand absorption carrier | |
| CN206620361U (en) | Pcb board and air guide plate positioning device | |
| CN110744579A (en) | Manipulator anchor clamps and flow divider thereof | |
| CN207923422U (en) | Optical diaphragm test device | |
| CN207095795U (en) | A kind of dust catcher leakage testing device | |
| CN206484422U (en) | A kind of flat panel products polissoir suction base combined tools | |
| CN202066646U (en) | Airtight leak detector for precision castings | |
| WO2021249538A1 (en) | Watch cover disassembling device | |
| CN205852592U (en) | Positioner | |
| CN212228332U (en) | Detection equipment simultaneously suitable for gauze mask and breather valve gas tightness | |
| CN211415221U (en) | Manipulator anchor clamps and flow divider thereof | |
| CN102788544B (en) | Pneumatic type fixed seat pitch detection jig | |
| CN206708178U (en) | A kind of vacuum cup and the silicon chip pulling-out force experiment puller system using it | |
| CN203993328U (en) | A kind of apparatus for adjusting position | |
| CN204845082U (en) | Attached tool of general gum | |
| CN219246200U (en) | Comprehensive inspection bench for combustible gas alarm | |
| CN203543477U (en) | Fixing device | |
| CN208499131U (en) | A kind of liquid crystal display localization tool |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110615 Effective date of abandoning: 20120808 |