CN114964335B - PCB double-side detection device - Google Patents
PCB double-side detection device Download PDFInfo
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- CN114964335B CN114964335B CN202210444819.1A CN202210444819A CN114964335B CN 114964335 B CN114964335 B CN 114964335B CN 202210444819 A CN202210444819 A CN 202210444819A CN 114964335 B CN114964335 B CN 114964335B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D11/00—Component parts of measuring arrangements not specially adapted for a specific variable
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D11/00—Component parts of measuring arrangements not specially adapted for a specific variable
- G01D11/16—Elements for restraining, or preventing the movement of, parts, e.g. for zeroising
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
- G01N21/956—Inspecting patterns on the surface of objects
- G01N2021/95638—Inspecting patterns on the surface of objects for PCB's
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Abstract
The invention discloses a PCB double-side detection device, which belongs to the field of PCB double-side detection, wherein a synchronous telescopic rod drives a linkage frame to press down, the linkage frame in the pressing down process drives an adsorption component and a blowing component to synchronously operate, a PCB mainboard is limited through a placement component, the placement component is matched with the adsorption component to adsorb and fix the PCB mainboard, so that the PCB mainboard is not easy to deform and damage, a space extension component enables the adsorption component to stably adsorb the PCB mainboard on one hand, and the other method can be matched with the blowing component to enable the blowing component to comprehensively extrude, so that extruded airflow blows towards the upper end and the lower end of the PCB mainboard, dust at the upper end and the lower end of the PCB mainboard can be blown and cleaned, the detection accuracy is improved, and because extrusion clamping is not needed, a transparent glass plate at the upper end of the linkage frame can be completely disassembled, the upper end of the PCB mainboard can be directly scanned and detected, and the accuracy of a detection result is further improved.
Description
Technical Field
The invention relates to the field of PCB double-sided detection, in particular to a PCB double-sided detection device.
Background
The general discussion of the future development trend of printed board production and manufacturing technology at home and abroad is basically consistent, namely the development is in the directions of high density, high precision, fine pore diameter, thin conducting wire, thin spacing, high reliability, multilayering, high-speed transmission, light weight and thin type, and the development is in the directions of improving the productivity, reducing the cost and the pollution, and adapting to multi-variety and small-batch production. The state of the art of printed circuits is generally represented by the line width, the aperture, and the plate thickness/aperture ratio on the printed circuit board.
Refer to reference file 201811567260.1 a two-sided detection device of PCB, wherein when going up work frame and work frame down and being close to each other, can press from both sides the PCB board between the two tightly to fixed PCB board, last work frame with work frame down to PCB board clamp fastening timing, its dynamics is not convenient for handle the accuse, its PCB board receives the extrusion damage easily, perhaps the phenomenon that the centre gripping dynamics is not enough.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide a PCB double-side detection device, a synchronous telescopic rod drives a linkage frame to press down, the linkage frame in the pressing-down process drives an adsorption component and a blowing component to synchronously operate, a PCB mainboard is limited through a placing component, the placing component is matched with the adsorption component to adsorb and fix the PCB mainboard, the PCB mainboard is not easy to deform and damage, on one hand, the adsorption component can stably adsorb the PCB mainboard, on the other hand, the space extension component can be matched with the blowing component, the blowing component can comprehensively extrude, extruded air flow blows to the upper end and the lower end of the PCB mainboard, dust at the upper end and the lower end of the PCB mainboard can be blown and cleaned, the detection accuracy is improved, and because extrusion clamping is not needed, a transparent glass plate at the upper end of the linkage frame can be completely detached, the upper end of the PCB mainboard can be directly scanned and detected, and the accuracy of a detection result is further improved.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
The utility model provides a two-sided detection device of PCB, is including detecting the base plate, four synchronous telescopic link of fixedly connected with of squatting of detecting the base plate, the surface of detecting the base plate inlays to be established and is fixed with places the subassembly, four synchronous telescopic link's output fixedly connected with linkage frame, the linkage frame is located the top of placing the subassembly, detect the upper end fixedly connected with adsorption component and the subassembly of blowing of base plate, fixed connection between the upper end of adsorption component and the subassembly of blowing and the linkage frame, adsorption component's inside sliding connection has the space extension subassembly, and synchronous telescopic link drives linkage frame and pushes down, pushes down the linkage frame of in-process and will drive adsorption component and the subassembly synchronous operation of blowing, carries out spacingly to the PCB mainboard through placing the subassembly, places subassembly cooperation adsorption component and adsorbs fixedly to the PCB mainboard for the difficult deformation damage that takes place the PCB mainboard, and space extension subassembly makes the adsorption component stabilize on the one hand and adsorbs the PCB mainboard, and another method can cooperate the subassembly of blowing for the subassembly can carry out comprehensive extrusion, makes the air current that extrudees to the upper end about the PCB mainboard, can carry out the clearance to the dust at both ends of PCB mainboard, improves the precision that detects because of blowing, because of carrying out the glass and can not carrying out the detection to the upper end of the detection of further, and the detection of the PCB mainboard.
Further, place the subassembly including placing the board, the inside of placing the board is excavated there is the cavity, the interior top of cavity is excavated there is the absorption mouth, the upper end fixedly connected with who places the board links up the interface, it is identical with between the absorption mouth to link up the interface, the spacing frame of the upper end fixedly connected with who places the board, the inner wall of spacing frame is excavated there is the gas outlet, places the PCB mainboard and after placing the board upper surface, can carry on spacingly to the PCB mainboard through spacing frame, improves the stability after the PCB mainboard is placed.
Further, it adopts transparent elasticity silica gel material to make to link up the mouth, place the board and adopt transparent glass material to make, link up the mouth and place the board of making through transparent material, reduce the possibility that the scanning testing result makes mistakes, and link up the mouth and adopt transparent elasticity silica gel material to make, improve and link up the sealed effect between mouth and the PCB mainboard to improve the stability to PCB mainboard is absorbent.
Furthermore, the adsorption component comprises an air pumping cylinder, the air pumping cylinder is fixedly connected with the detection substrate, a space extension component is connected to an inner cavity of the air pumping cylinder in a sliding mode, a first linkage rod is fixedly connected to the lower end of the space extension component, the first linkage rod is fixedly connected with the linkage frame, the air pumping cylinder is communicated with the cavity, when the synchronous telescopic rod drives the linkage frame to press down, the linkage frame presses down the first linkage rod, the first linkage rod which presses down is matched with the space extension component to reduce the internal air pressure of the cavity, but the external air pressure is large, so that the PCB mainboard is tightly adsorbed at the joint, the PCB mainboard is adsorbed and fixed, the clamping force is not required to be considered, and the possibility of deformation and damage of the PCB mainboard is reduced.
Further, the subassembly of blowing is including linking up a section of thick bamboo, the upper end sliding connection who links up a section of thick bamboo has the second linkage rod, the lower extreme fixedly connected with clamp plate who links up a section of thick bamboo, the interior bottom fixedly connected with elasticity gasbag that links up a section of thick bamboo, the upper end and the clamp plate of elasticity gasbag contact, the inside of linking up a section of thick bamboo is excavated there is the pipeline cavity, be linked together between pipeline cavity and the elasticity gasbag, be linked together between pipeline cavity and the gas outlet, when synchronous telescopic link drives linkage frame and pushes down, the linkage frame can drive the second linkage rod in step and push down, and the elasticity gasbag will slowly be in the extruded state through the pushing down of second linkage rod, and the inside gas that is extruded of elasticity gasbag will blow to the upper and lower both ends of PCB mainboard through pipeline cavity and gas outlet to the dust at both ends about the PCB mainboard is cleared up.
Further, the space extension subassembly is including extending the piece down, be fixed connection between extension piece and the first gangbar down, the upper end fixedly connected with spring of extension piece down, the upper end fixedly connected with of spring piece of bleeding, the piece of bleeding and bleeding between the piece in close contact with, influenced by the atmospheric pressure, the piece of bleeding will unable removal after removing one end distance, extension piece cooperation spring that down now lasts the downwardly-pulling and rises, provides sufficient space for the compression of the subassembly of blowing, improves the effect of blowing of the subassembly of blowing, and the piece of bleeding passes through the spring and remains stable to can stabilize the inside atmospheric pressure of cavity, the guarantee is to the adsorption effect of PCB mainboard.
Furthermore, the outer circumference of the air pumping block is provided with a rubber layer, the air pumping block is in close contact with the inner wall of the air pumping cylinder through the rubber layer, and the sealing effect of the air pumping block and the inner wall of the air pumping cylinder is improved through the rubber layer.
Further, the inner wall of the connecting cylinder is provided with a polishing layer, the inner wall of the connecting cylinder is in contact with the elastic air bag, and the friction force between the elastic air bag and the inner wall of the connecting cylinder is reduced through the polishing layer, so that the possibility of damage of the elastic air bag due to friction is reduced.
Furthermore, the spring is made of spring steel materials and is in a pulling state, so that the lower extension block can be in close contact with the air exhaust block.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) This scheme synchronous telescopic link drives linkage frame and pushes down, linkage frame of pushing down the in-process will drive adsorption component and the subassembly synchronous operation of blowing, carry on spacingly to the PCB mainboard through placing the subassembly, it adsorbs fixedly to place subassembly cooperation adsorption component, make the PCB mainboard be difficult for taking place to warp and damage, space extension subassembly makes adsorption component stably adsorb the PCB mainboard on the one hand, another method can cooperate the subassembly of blowing, make the subassembly of blowing carry out comprehensive extrusion, make the air current that extrudes blow to the upper and lower both ends of PCB mainboard, can blow the clearance to the dust at both ends about the PCB mainboard, improve the precision that detects, because of need not extrude the centre gripping, the clear glass board of the upper end of linkage frame can be demolishd completely, can directly scan the detection to PCB mainboard upper end, further improve the precision of testing result.
(2) Placing the subassembly including placing the board, the inside division chisel of placing the board has the cavity, and the interior top division chisel of cavity has the absorption mouth, and the upper end fixedly connected with of placing the board links up the mouth, links up the mouth and adsorbs between the mouth identical, places the spacing frame of upper end fixedly connected with of board, and the inner wall division of spacing frame has the gas outlet, places the PCB mainboard after placing the board upper surface, can carry on spacingly to the PCB mainboard through spacing frame, improves the stability after the PCB mainboard is placed.
(3) The joint is made of transparent elastic silica gel materials, the placing plate is made of transparent glass materials, the joint made of transparent materials and the placing plate reduce the possibility of error of scanning detection results, the joint is made of transparent elastic silica gel materials, the sealing effect between the joint and the PCB mainboard is improved, and accordingly the stability of PCB mainboard adsorption is improved.
(4) The adsorption component comprises an air pump, the air pump is fixedly connected with the detection substrate, the inner cavity of the air pump is slidably connected with a space extension component, a first linkage rod is fixedly connected with the lower end of the space extension component, the first linkage rod is fixedly connected with a linkage frame, the air pump is communicated with the cavity, when the synchronous telescopic rod drives the linkage frame to press down, the linkage frame presses down the first linkage rod in the belt, the first linkage rod which presses down is matched with the space extension component to reduce the internal air pressure of the cavity, but the external air pressure is large, so that the PCB mainboard is tightly adsorbed at the joint, the PCB mainboard is adsorbed and fixed, the clamping force is not required to be considered, and the possibility of deformation and damage of the PCB mainboard is reduced.
(5) The blowing assembly comprises a linking barrel, a second linkage rod is slidably connected to the upper end of the linking barrel, a pressing plate is fixedly connected to the lower end of the linking barrel, an elastic air bag is fixedly connected to the inner bottom end of the linking barrel, the upper end of the elastic air bag is in contact with the pressing plate, a pipeline cavity is cut inside the linking barrel, the pipeline cavity is communicated with the elastic air bag, the pipeline cavity is communicated with an air outlet, when the synchronous telescopic rod drives the linkage frame to press down, the linkage frame can synchronously drive the second linkage rod to press down, the elastic air bag is slowly in a squeezed state through the pressing of the second linkage rod, the gas extruded out of the elastic air bag is blown to the upper end and the lower end of a PCB mainboard through the pipeline cavity and the air outlet, and therefore dust at the upper end and the lower end of the PCB mainboard is cleaned.
(6) The space extension subassembly is including extending the piece down, be fixed connection between extension piece of lower extension and the first gangbar, the upper end fixedly connected with spring of extension piece down, the upper end fixedly connected with of spring piece of bleeding, the piece of bleeding and the intimate contact between the piece of bleeding, influenced by the atmospheric pressure, the piece of bleeding will be unable to remove after removing one end distance, extension piece cooperation spring of lower extension this moment lasts the lapse and rises, provide sufficient space for the compression of subassembly of blowing, improve the effect of blowing of subassembly of blowing, the piece of bleeding passes through the spring and remains stable, thereby can stabilize the inside atmospheric pressure of cavity, the guarantee is to the adsorption effect of PCB mainboard.
(7) The rubber layer is arranged on the outer circumferential surface of the air pumping block, the air pumping block is in close contact with the inner wall of the air pumping cylinder through the rubber layer, and the sealing effect of the air pumping block and the inner wall of the air pumping cylinder is improved through the rubber layer.
(8) The inner wall of the connecting cylinder is provided with a polishing layer, the inner wall of the connecting cylinder is in contact with the elastic air bag, and the friction force between the elastic air bag and the inner wall of the connecting cylinder is reduced through the polishing layer, so that the possibility of damage of the elastic air bag due to friction is reduced.
(9) The spring is made of spring steel materials and is in a pulling state, so that the lower extension block can be in close contact with the air pumping block.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the overall split structure of the present invention;
FIG. 3 is a schematic cross-sectional view of a detection substrate according to the present invention;
FIG. 4 is an enlarged view of FIG. 3 at A;
FIG. 5 is an enlarged view of FIG. 3 at B;
fig. 6 is a schematic cross-sectional view of the space extension assembly of the present invention.
The reference numbers in the figures illustrate:
100 detection substrates, 200 synchronous telescopic rods, 300 placement components, 301 placement plates, 302 cavities, 303 connection ports, 304 limit frames, 3041 air outlets, 400 linkage frames, 500 adsorption components, 501 air pumping cylinders, 502 first linkage rods, 600 air blowing components, 601 connection cylinders, 602 second linkage rods, 603 pressing plates, 604 elastic airbags, 605 pipeline cavities, 700 space extension components, 701 lower extension blocks, 702 springs and 703 air pumping blocks.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", etc. indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, which are merely for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "fitted/connected", "connected", and the like, are to be interpreted broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.
Example (b):
referring to fig. 1-3, a PCB double-side inspection apparatus includes an inspection substrate 100, and is characterized in that: the squatting of the detection substrate 100 is fixedly connected with four synchronous telescopic rods 200, the surface of the detection substrate 100 is embedded and fixed with a placing component 300, the output ends of the four synchronous telescopic rods 200 are fixedly connected with a linkage frame 400, the linkage frame 400 is positioned above the placing component 300, the upper end of the detection substrate 100 is fixedly connected with an adsorption component 500 and a blowing component 600, the upper ends of the adsorption component 500 and the blowing component 600 are fixedly connected with the linkage frame 400, the interior of the adsorption component 500 is slidably connected with a space extending component 700, the synchronous telescopic rods 200 drive the linkage frame 400 to press down, the linkage frame 400 in the pressing down process drives the adsorption component 500 and the blowing component 600 to synchronously run, and the placing component 300 limits the PCB mainboard, place subassembly 300 cooperation adsorption component 500 and adsorb fixedly to the PCB mainboard, make the difficult emergence of PCB mainboard warp the damage, space extension subassembly 700 makes adsorption component 500 stably adsorb the PCB mainboard on the one hand, another method can cooperate subassembly 600 of blowing, make the subassembly 600 of blowing to carry out comprehensive extrusion, make the air current that extrudes blow to the upper and lower both ends of PCB mainboard, can blow the clearance to the dust at PCB mainboard upper and lower both ends, improve the precision that detects, because of need not extrude the centre gripping, the clear glass board of the upper end of linkage frame 400 can be demolishd completely, can directly scan the detection to PCB mainboard upper end, further improve the precision of testing result.
Referring to fig. 3, the placing assembly 300 includes a placing board 301, a cavity 302 is formed in the placing board 301, an absorption port is formed in the inner top end of the cavity 302, an upper end of the placing board 301 is fixedly connected with a connection port 303, the connection port 303 is matched with the absorption port, an upper end of the placing board 301 is fixedly connected with a limit frame 304, an air outlet 3401 is formed in the inner wall of the limit frame 304, after a PCB mainboard is placed on the upper surface of the placing board 301, the PCB mainboard can be limited through the limit frame 304, stability after the PCB mainboard is placed is improved, the connection port 303 is made of a transparent elastic silica gel material, the placing board 301 is made of a transparent glass material, the connection port 303 and the placing board 301 which are made of transparent materials are used for reducing the possibility of error of scanning detection results, the connection port 303 is made of a transparent elastic silica gel material, sealing effect between the connection port 303 and the PCB mainboard is improved, and accordingly stability of absorption of the PCB mainboard is improved.
Referring to fig. 3-5, the suction assembly 500 includes a suction tube 501, the suction tube 501 is fixedly connected to the detection substrate 100, a space extending assembly 700 is slidably connected to an inner cavity of the suction tube 501, a first linkage rod 502 is fixedly connected to a lower end of the space extending assembly 700, the first linkage rod 502 is fixedly connected to the linkage frame 400, the suction tube 501 is communicated with the cavity 302, when the synchronous telescopic rod 200 drives the linkage frame 400 to press down, the linkage frame 400 presses down the first linkage rod 502, the internal air pressure of the cavity 302 is reduced by the first linkage rod 502 which is pressed down and the space extending assembly 700, but the external air pressure is higher, so that the PCB motherboard is tightly adsorbed at the connection port 303 to fix the PCB motherboard, without considering the clamping force, and the possibility of deformation and damage of the PCB motherboard is reduced, the blowing assembly 600 includes a connection tube 601, a second linkage rod 602 is slidably connected to an upper end of the connection tube 601, the lower end of the connecting cylinder 601 is fixedly connected with a pressing plate 603, the inner bottom end of the connecting cylinder 601 is fixedly connected with an elastic air bag 604, the upper end of the elastic air bag 604 is in contact with the pressing plate 603, a pipeline cavity 605 is drilled in the connecting cylinder 601, the pipeline cavity 605 is communicated with the elastic air bag 604, the pipeline cavity 605 is communicated with an air outlet 3401, when the synchronous telescopic rod 200 drives the linkage frame 400 to press down, the linkage frame 400 synchronously drives the second linkage rod 602 to press down, the elastic air bag 604 is slowly in a pressed state through the pressing down of the second linkage rod 602, the air squeezed out from the elastic air bag 604 is blown to the upper end and the lower end of the PCB mainboard through the pipeline cavity 605 and the air outlet 3401, so that dust at the upper end and the lower end of the PCB mainboard is cleaned, the inner wall of the connecting cylinder 601 is provided with a polishing layer, the inner wall of the connecting cylinder 601 is in contact with the elastic air bag 604, the polishing layer reduces the friction force between the elastic airbag 604 and the inner wall of the connecting cylinder 601, thereby reducing the possibility of damage to the elastic airbag 604 due to friction.
Referring to fig. 6, the space extension assembly 700 includes a lower extension block 701, the lower extension block 701 is fixedly connected to the first linkage rod 502, a spring 702 is fixedly connected to an upper end of the lower extension block 701, an air suction block 703 is fixedly connected to an upper end of the spring 702, the air suction block 703 is in close contact with the air suction block 703 and is affected by air pressure, the air suction block 703 cannot move after moving a distance, at this time, the lower extension block 701 continuously pulls downward in cooperation with the spring 702 to provide a sufficient space for compression of the air blowing assembly 600, thereby improving a blowing effect of the air blowing assembly 600, the air suction block 703 is kept stable by the spring 702, thereby stabilizing air pressure inside the cavity 302 and ensuring an adsorption effect on a PCB motherboard, a rubber layer is disposed on an outer circumferential surface of the air suction block 703, the air suction block 703 is in close contact with an inner wall of the air suction cylinder 501 through the rubber layer, thereby improving a sealing effect between the air suction block 703 and the inner wall of the air suction cylinder 501, the spring 702 is made of a spring steel material, and the spring 702 is in a pulled state, so that the lower extension block 701 and the first linkage rod 703 can be in close contact.
The working principle is as follows: when the synchronous telescopic rod 200 drives the linkage frame 400 to press down, the linkage frame 400 presses down the first linkage rod 502, the first linkage rod 502 which is pressed down is matched with the space extension assembly 700 to reduce the internal air pressure of the cavity 302, but the external air pressure is larger, so that the PCB mainboard is tightly adsorbed at the position of the connection port 303, the PCB mainboard is adsorbed and fixed, the clamping force is not considered, the possibility of deformation and damage of the PCB mainboard is reduced, when the synchronous telescopic rod 200 drives the linkage frame 400 to press down, the linkage frame 400 synchronously drives the second linkage rod 602 to press down, the elastic air bag 604 slowly presses down through the second linkage rod 602, the gas extruded from the inside of the elastic air bag 604 is blown to the upper end and the lower end of the PCB mainboard through the pipeline cavity 605 and the air outlet 3401, thereby the dust at the upper end and the lower end of the PCB mainboard is cleaned up, the dust is affected by the air pressure, the elastic air bag 703 cannot move after moving one end distance, the expansion block 701 is matched with the spring 702 to continuously pull up, so as to provide enough space for the compression of the assembly 600, thereby improving the air-blowing effect of the air-sucking assembly 600, the air-sucking and ensuring that the PCB mainboard 500 can be adsorbed and the PCB mainboard 500 can be stably placed in the synchronous air-sucking and stably pressed and fixed assembly 300, on the one hand, make the air current that extrudes blow to the upper and lower both ends of PCB mainboard, can blow the clearance to the dust at both ends about the PCB mainboard, improve the precision that detects, because of need not extrude the centre gripping, the clear glass board of the upper end of linkage frame 400 can be demolishd completely, can directly scan the detection to PCB mainboard upper end, further improves the precision of testing result.
The foregoing is only a preferred embodiment of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.
Claims (6)
1. A PCB double-sided detection device comprises a detection substrate (100), and is characterized in that: the squatting fixed connection of the detection substrate (100) is provided with four synchronous telescopic rods (200), the surface of the detection substrate (100) is embedded and fixed with a placing component (300) and four output end fixed connection linkage frames (400) of the synchronous telescopic rods (200), the linkage frames (400) are positioned above the placing component (300), the upper end fixed connection of the detection substrate (100) is provided with an adsorption component (500) and a blowing component (600), the upper ends of the adsorption component (500) and the blowing component (600) are fixedly connected with the linkage frames (400), the inner sliding connection of the adsorption component (500) is provided with a space extension component (700), the adsorption component (500) comprises an air pumping cylinder (501), the air pumping cylinder (501) and the detection substrate (100) are fixedly connected, the inner cavity sliding connection of the air pumping cylinder (501) is provided with a space extension component (700), the lower end fixed connection of the space extension component (700) is provided with a first linkage rod (502), the first linkage rod (502) is fixedly connected with the linkage frames (400), the cavity (501) is communicated with a cavity (601), and the lower end of the linkage cylinder (601) is provided with a second connecting plate (601), an elastic air bag (604) is fixedly connected to the inner bottom end of the connecting cylinder (601), the upper end of the elastic air bag (604) is in contact with a pressure plate (603), a pipeline cavity (605) is formed in the connecting cylinder (601), the pipeline cavity (605) is communicated with the elastic air bag (604), the pipeline cavity (605) is communicated with an air outlet (3401), the space extension assembly (700) comprises a lower extension block (701), the lower extension block (701) is fixedly connected with a first linkage rod (502), a spring (702) is fixedly connected to the upper end of the lower extension block (701), an air pumping block (703) is fixedly connected to the upper end of the spring (702), and the air pumping block (703) is in tight contact with the air pumping block (703).
2. The PCB double-sided detection device of claim 1, wherein: the utility model provides a set up subassembly (300) including placing board (301), the inside of placing board (301) is opened and is dug there is cavity (302), the interior top of cavity (302) is opened and is dug there is the absorption mouth, the upper end fixedly connected with who places board (301) links up interface (303), it is identical between interface (303) and the absorption mouth to link up, the upper end fixedly connected with of placing board (301) is spacing frame (304), the inner wall of spacing frame (304) is opened and is dug there is gas outlet (3401).
3. The PCB double-sided detection device of claim 2, wherein: the connecting port (303) is made of transparent elastic silica gel materials, and the placing plate (301) is made of transparent glass materials.
4. The PCB double-sided detection device of claim 1, wherein: the outer circumferential surface of the air extraction block (703) is provided with a rubber layer, and the air extraction block (703) is in close contact with the inner wall of the air extraction cylinder (501) through the rubber layer.
5. The PCB double-sided detection device of claim 1, wherein: the inner wall of the connection cylinder (601) is provided with a polishing layer, and the inner wall of the connection cylinder (601) is in contact with the elastic air bag (604).
6. The PCB double-sided detection device of claim 1, wherein: the spring (702) is made of spring steel materials, and the spring (702) is in a pulling-up state.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210444819.1A CN114964335B (en) | 2022-04-26 | 2022-04-26 | PCB double-side detection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210444819.1A CN114964335B (en) | 2022-04-26 | 2022-04-26 | PCB double-side detection device |
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| CN114964335A CN114964335A (en) | 2022-08-30 |
| CN114964335B true CN114964335B (en) | 2023-03-28 |
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| CN117054862B (en) * | 2023-10-13 | 2023-12-15 | 深圳市微特精密科技股份有限公司 | Precise detection equipment and detection process for PCB main board |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005230944A (en) * | 2004-02-18 | 2005-09-02 | Calsonic Kansei Corp | Substrate suction device |
| CN103495945A (en) * | 2013-09-27 | 2014-01-08 | 昆山迈致治具科技有限公司 | PCB positioning cooling adsorption jig |
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| JP2005230944A (en) * | 2004-02-18 | 2005-09-02 | Calsonic Kansei Corp | Substrate suction device |
| CN103495945A (en) * | 2013-09-27 | 2014-01-08 | 昆山迈致治具科技有限公司 | PCB positioning cooling adsorption jig |
| CN213616216U (en) * | 2020-09-17 | 2021-07-06 | 深圳市迅丰电子有限公司 | Clamping device of PCB paster tool |
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