CN116625947A - CCD visual inspection device for preventing multi-layer PCB (printed circuit board) hierarchy sequence and specification errors - Google Patents
CCD visual inspection device for preventing multi-layer PCB (printed circuit board) hierarchy sequence and specification errors Download PDFInfo
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- CN116625947A CN116625947A CN202310655158.1A CN202310655158A CN116625947A CN 116625947 A CN116625947 A CN 116625947A CN 202310655158 A CN202310655158 A CN 202310655158A CN 116625947 A CN116625947 A CN 116625947A
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- 238000011179 visual inspection Methods 0.000 title claims abstract description 18
- 238000001514 detection method Methods 0.000 claims abstract description 32
- 238000007689 inspection Methods 0.000 claims description 15
- 230000000007 visual effect Effects 0.000 abstract description 8
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 4
- 239000002023 wood Substances 0.000 description 4
- 238000012790 confirmation Methods 0.000 description 2
- 230000002427 irreversible effect Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000005303 weighing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000011895 specific detection Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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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
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
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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
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Abstract
The invention discloses a CCD visual inspection device for preventing the error of the layering sequence and specification of a multilayer PCB, which relates to the technical field of detection equipment and comprises the following components: the top of the working table is fixedly connected with at least one T-shaped guide rail; the balance component is arranged at the left side of the top of the T-shaped guide rail and is used for supporting the inclined multilayer core plate and the films in an auxiliary mode; the visual detection component is arranged at the rear side of the top of the workbench and is used for detecting the combination sequence and specification of the multilayer core plate and the film; the limiting component is arranged on the right side of the top of the T-shaped guide rail and used for coding and displaying the multi-layer core plate and the rubber sheet, and comprises a supporting plate fixedly connected to the right side of the top of the T-shaped guide rail. According to the invention, the balance assembly, the limit assembly and the visual detection assembly are arranged, so that the automation of error proofing of the high multilayer board combination is completely realized, the workload of operators is greatly reduced, and the occurrence of combination errors is avoided.
Description
Technical Field
The invention relates to the technical field of detection equipment, in particular to a CCD visual inspection device for preventing the layer sequence and specification of a multi-layer PCB from being wrong.
Background
The high multilayer PCB is formed by combining a plurality of inner core plates with semi-cured PP films of specified specifications according to a given sequence, then pressing the combined inner core plates and the PP films together by using a vacuum pressing machine at proper temperature and pressure, and finally achieving the functions of conducting each layer of circuits and realizing normal signal transmission by drilling, electroplating, affecting transfer, circuit etching and the like. The combination of the inner core board and the PP is a key process, if the combination sequence or the PP specification is wrong, the PCB circuit cannot be normally conducted, and thus irreversible product reject and reject are caused.
Currently, the industry relies mainly on skilled operators to prevent the core and PP stacking sequence from being wrong by careful visual inspection and confirmation, but still relies on human judgment, and if the specification is wrong, identification by a CCD is not possible. As the PCB layers become higher and the specifications become more and more, the risk of errors in the existing operation method becomes greater and greater, and the scrapping cost becomes higher and higher. Secondly, when a person works for a long time and handles a high-level board, the number of core boards is large, the specifications are large (9 core boards and up to 50 semi-cured PP films with various specifications are provided for a 20-layer PCB), and in this state, the person can easily judge errors.
Disclosure of Invention
In order to solve the above technical problems, the present technical solution provides a CCD vision inspection device for preventing the layer sequence and specification errors of the multi-layer PCB, which solves the problems that the current industry proposed in the above background technology mainly relies on skilled operators to prevent the stacking sequence of the core board and PP from being wrong through careful visual inspection and confirmation, but still relies on the judgment of people, the people work for a long time, and the judgment errors are very easy when dealing with high-layer boards.
In order to achieve the above purpose, the invention adopts the following technical scheme:
a CCD vision inspection device for preventing errors in the hierarchical sequence and specification of a multi-layer PCB, comprising:
the top of the working table is fixedly connected with at least one T-shaped guide rail;
the balance component is arranged at the left side of the top of the T-shaped guide rail and is used for supporting the inclined multilayer core plate and the films in an auxiliary mode;
the visual detection component is arranged at the rear side of the top of the workbench and is used for detecting the combination sequence and specification of the multilayer core plate and the film;
the limiting component is arranged on the right side of the top of the T-shaped guide rail and is used for coding and displaying the multilayer core plates and the films, the limiting component comprises a supporting plate, the supporting plate is fixedly connected to the right side of the top of the T-shaped guide rail, supporting blocks are fixedly connected to the front side and the rear side of the left end of the upper surface of the supporting plate, a limiting plate is rotatably connected to the inner side of each supporting block, a positioning block is fixedly connected to the middle part of the right side of each limiting plate, a T-shaped slide rail is fixedly connected to a limiting motor, a limiting block is fixedly connected to the middle part of each T-shaped slide rail, a shaving block is fixedly connected to the top of each limiting block, a screw is fixedly connected to the output end of each limiting motor and is in threaded connection with each limiting block, a push-pull rod is rotatably connected to the front side of each shaving block, and the top of each push-pull rod is rotatably connected to each positioning block.
Preferably, the balance assembly comprises a moving table, the front side and the rear side of the top are fixedly connected with balance plates, at least one limiting groove is formed in the front surface of each balance plate in a penetrating manner, a plurality of limiting grooves are uniformly distributed on the surface of each balance plate, at least one limiting rod is connected in a sliding manner in each limiting groove, an auxiliary plate is fixedly connected to the inner side of each limiting rod, the auxiliary plates are mutually abutted to each other to be stacked into a frame, the bottom is abutted to the upper surface of the moving table, the left side of the moving table is fixedly connected with an extension block, the left side of the top of the extension block is fixedly connected with a vertical plate, the left side of the extension block is fixedly connected with a protruding block, the protruding block is rotationally connected with a reset cylinder, the front side and the rear side of the bottom of the vertical plate are rotationally connected with a driving connecting rod, the top of the right end of each driven connecting rod is rotationally connected with a reset plate, the right end of the driving connecting rod is rotationally connected to the bottom of the reset plate, and the output end of the reset cylinder is rotationally connected to the lower part of the driving connecting rod.
Preferably, the driven connecting rod is consistent with the driving connecting rod in length, and the reset plate is consistent with the vertical plate in length.
Preferably, the outside end fixedly connected with small disk of gag lever post, small disk and balance board sliding connection, small disk diameter are greater than the notch height of spacing groove, and the diameter of gag lever post is unanimous with the notch height of spacing groove.
Preferably, the vision detection assembly comprises a mounting plate and a control cylinder, wherein the mounting plate is fixedly connected to the top of the workbench, the control cylinder is fixedly connected to the top of the workbench, at least one guide rod is fixedly connected to the front surface of the mounting plate, a moving block is slidably connected to the surface of the guide rod, a movable block is fixedly connected to the output end of the control cylinder, a swinging rod is rotatably connected to the top of the movable block, and the front end of the swinging rod is rotatably connected to the side surface of the moving block.
Preferably, the perpendicular rail of movable block top fixedly connected with T shape, the positive fixedly connected with rack of perpendicular rail of T shape, rack and the perpendicular rail height of T shape are unanimous, and perpendicular rail upper portion sliding connection of T shape has the lifter, lifter and rack sliding connection, and the positive fixedly connected with CCD of lifter detects the head, and CCD detects head fixedly connected with limit switch, lifter bottom right side fixedly connected with elevator motor, elevator motor's output fixedly connected with drive gear, drive gear meshes with the rack mutually.
Preferably, the rear end of the guide rod is sleeved with a return spring, the rear end of the return spring is fixedly connected to the front surface of the mounting plate, and the front end of the return spring is fixedly connected to the rear side of the moving block.
Preferably, the programmable electronic scale is connected to the top of the T-shaped guide rail in a sliding manner, a positioning groove is formed in the left rear side of the programmable electronic scale, a fixing plate is fixedly connected to the left side of the top of the operation table, a driving motor is fixedly connected to the left side of the fixing plate, a screw rod is fixedly connected to the output end of the driving motor, the screw rod is rotationally connected with the fixing plate, the screw rod is in threaded connection with the mobile station, and the screw rod is in threaded connection with the programmable electronic scale.
Preferably, the front surface of the operation table is fixedly connected with a control computer, a display screen is arranged on the upper portion of the control computer, the display screen is electrically connected with the CCD detection head, and the programmable electronic scale is electrically connected with the control computer.
Preferably, the front side and the rear side of the left end of the upper surface of the supporting plate are fixedly connected with positioning strips, the positioning strips are perpendicular to the supporting plate, and the left side faces of the positioning strips are abutted against the right side faces of the limiting plates.
Compared with the prior art, the invention provides the CCD visual inspection device for preventing the error of the layering sequence and specification of the multilayer PCB, which has the following beneficial effects:
through setting up balanced subassembly, spacing subassembly and visual detection subassembly, can be with PCB core and the slope setting of film assembly, make PCB core and the serial number of film assembly expose, thereby be convenient for visual detection subassembly discerns its serial number, replace the operator visual inspection through the CCD visual inspection, prevent core sequential combination stack mistake, prevent core and PP specification use mistake through the mode of weighing of electronic scale, obtain the real-time data in the combination process through CCD inspection and high accuracy weight measurement, and carry out automatic comparison with the standard data that sets for in the computer, judge whether combination order and core and PP specification are correct through the comparison result by the computer, and prompt PASS or Fail through man-machine interface, and when showing Fail, put forward the alarm through the sound, realize the automation of high multiply wood combination mistake proofing completely, and very big alleviateed operator's work burden, the combination mistake emergence has been stopped.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a schematic view of a visual inspection assembly according to the present invention;
FIG. 4 is a schematic view of a limiting assembly according to the present invention;
FIG. 5 is a schematic diagram of a balance assembly according to the present invention;
FIG. 6 is a schematic view of another view angle structure of the balance assembly of the present invention;
FIG. 7 is a schematic view of the auxiliary plate structure of the present invention;
FIG. 8 is a schematic view of a PCB core and film combination detection of the present invention;
the reference numerals in the figures are:
101. a driving motor; 102. a screw rod; 103. a T-shaped guide rail; 104. a control computer; 105. a work table; 106. a positioning groove; 107. a programmable electronic scale; 108. a fixing plate; 109. a PCB core board and film combination; 110. a display screen;
200. a balancing assembly; 201. a balance plate; 202. a limit groove; 203. a limit rod; 204. an auxiliary plate; 205. a small wafer; 206. a mobile station; 207. a driven connecting rod; 208. a reset plate; 209. a vertical plate; 210. a drive link; 211. resetting the cylinder; 212. a protruding block; 213. an extension block;
300. a visual detection component; 301. t-shaped vertical rails; 302. a CCD detection head; 303. a drive gear; 304. a rack; 305. a guide rod; 306. a lifting block; 307. a lifting motor; 308. a return spring; 309. a mounting plate; 310. a movable block; 311. a swinging rod; 312. a moving block; 313. a control cylinder; 314. a limit switch;
400. a limit component; 401. a limiting plate; 402. a support block; 403. a positioning strip; 404. a push-pull rod; 405. a screw; 406. a limit motor; 407. a limiting block; 408. a support plate; 409. a T-shaped slide rail; 410. a positioning block; 411. and (5) shaving blocks.
Detailed Description
The following description is presented to enable one of ordinary skill in the art to make and use the invention. The preferred embodiments in the following description are by way of example only and other obvious variations will occur to those skilled in the art.
Referring to fig. 1 to 8, a CCD vision inspection device for preventing a hierarchical order and specification error of a multi-layered PCB, comprising:
the working table 105, wherein at least one T-shaped guide rail 103 is fixedly connected to the top of the working table 105;
a balancing assembly 200 disposed at the left side of the top of the T-shaped guide 103, the balancing assembly 200 being for supporting the inclined multi-layered core plate and film in an auxiliary manner;
a visual inspection assembly 300 disposed at the rear side of the top of the work table 105, the visual inspection assembly 300 being used to inspect the combination sequence and specification of the multi-layered core board and the film;
referring to fig. 1, fig. 3, fig. 4 and fig. 8, a limit component 400 is arranged on the right side of the top of the T-shaped guide rail 103, the limit component 400 is used for coding and displaying a multi-layer core board and films, the limit component 400 comprises a support plate 408, the support plate 408 is fixedly connected on the right side of the top of the T-shaped guide rail 103, support blocks 402 are fixedly connected on the front side and the rear side of the left end of the upper surface of the support plate 408, a limit plate 401 is rotatably connected on the inner side of the support blocks 402, a positioning block 410 is fixedly connected on the middle of the right side of the limit plate 401, a T-shaped slide rail 409 is fixedly connected on the right end of the T-shaped slide rail 409, a limit motor 406 is fixedly connected on the middle of the T-shaped slide rail 409, a wood shaving block 411 is fixedly connected on the top of the limit block 407, a screw 405 is fixedly connected on the output end of the limit motor 406, the screw 405 is in threaded connection with the limit block 407, a push-pull rod 404 is rotatably connected on the front surface of the wood shaving block 411, and the top of the rod 404 is rotatably connected with the positioning block 410.
During detection, the PCB core plate and film combination 109 is placed on the programmable electronic scale 107, the programmable electronic scale 107 weighs the PCB core plate and film combination 109, data are fed back to the control computer 104, the initial state of the PCB core plate and film combination 109 is in a cube shape, the left rear corner of the PCB core plate and film combination 109 is positioned according to the positioning groove 106, the left side surface of the PCB core plate and film combination 109 is abutted with the right side of the auxiliary plate 204 in the balance assembly 200, the driving motor 101 is controlled to enable the screw 102 to rotate, the balance assembly 200 and the programmable electronic scale 107 can be driven to move leftwards along the T-shaped guide rail 103, the right side of the PCB core plate and film combination 109 is abutted with the limiting plate 401 in a vertical state, and the numbers of the PCB core plate and film combination 109 are arranged at the right rear corner of the PCB core plate and film combination 109;
the CCD detection head 302 moves back out of the movable range of the limiting plate 401 under the control of the control cylinder 313, and the CCD detection head 302 is adjusted to a position close to the upper side of the PCB core plate and film combination 109 under the control of the lifting motor 307;
the limiting motor 406 operates to drive the screw 405 to rotate, so that the limiting block 407 moves leftwards along the T-shaped sliding rail 409, and further the push-pull rod 404 pushes the limiting plate 401 to rotate, the limiting plate 401 presses the right side of the PCB core plate and film assembly 109, the PCB core plate and film assembly 109 inclines to be in a state as shown in fig. 8, the balance assembly 200 correspondingly changes, the left side of the PCB core plate and film assembly 109 is supported in an auxiliary mode, at the moment, the number positioned at the right rear corner of the PCB core plate and film assembly 109 is exposed, the CCD detection head 302 is used for subsequent detection, the limiting plate 401 returns to the original position under the control of the limiting motor 406, and the positioning strip 403 limits the position of the limiting plate 401 to prevent the limiting plate 401 from moving to be in place.
Referring to fig. 1, fig. 5, fig. 6, fig. 7 and fig. 8, specifically, the balance assembly 200 includes a moving table 206, at least one limit slot 202 is formed in the front of the balance plate 201 in a penetrating manner, a plurality of limit slots 202 are uniformly distributed on the surface of the balance plate 201, at least one limit rod 203 is connected in the limit slot 202 in a sliding manner, an auxiliary plate 204 is fixedly connected to the inner side of the limit rod 203, the auxiliary plates 204 are mutually abutted to each other to form a frame, the bottom of the auxiliary plate 204 is abutted to the upper surface of the moving table 206, an extension block 213 is fixedly connected to the left side of the moving table 206, a vertical plate 209 is fixedly connected to the left side of the extension block 213, a protruding block 212 is rotatably connected to a reset cylinder 211, a driving connecting rod 210 is rotatably connected to the front side and the rear side of the bottom of the vertical plate 209, a driven connecting rod 207 is rotatably connected to the top of the right end of the driven connecting rod 207, the right end of the driving rod 210 is rotatably connected to the bottom end of the reset cylinder 208, and the output connecting rod 210 is rotatably connected to the lower part of the driving connecting rod 211;
the outer side end of the limiting rod 203 is fixedly connected with a small disc 205, the small disc 205 is in sliding connection with the balance plate 201, the diameter of the small disc 205 is larger than the height of the notch of the limiting groove 202, and the diameter of the limiting rod 203 is consistent with the height of the notch of the limiting groove 202;
the PCB core and film assembly 109 is pushed to the state shown in fig. 8, and thus toppling easily occurs without auxiliary support, and thus, the balance member 200 is cooperatively provided, and when the PCB core and film assembly 109 is not pushed, the left side surface of the PCB core and film assembly 109 abuts against the right side surface of the auxiliary plate 204, and thus, when the PCB core and film assembly 109 is pushed obliquely, the PCB core and film assembly 109 pushes the auxiliary plate 204 accordingly, the limit lever 203 slides along the limit groove 202 accordingly, and the plurality of auxiliary plates 204 are formed to have a shape similar to the shape of the right side of the PCB core and film assembly 109 in fig. 8, and thus, support is provided for the same, wherein each auxiliary plate 204 does not support one core or film of the PCB core and film assembly 109, but at least one core or film;
when the whole detection is finished, the reset cylinder 211 operates to drive the driving connecting rod 210 to rotate, the driven connecting rod 207 is matched to rotate, so that the reset plate 208 pushes the auxiliary plate 204 and correspondingly pushes the PCB core plate and film combination 109, and the PCB core plate and film combination 109 stops moving when contacting the limiting plate 401, therefore, the PCB core plate and film combination 109 is restored to a cubic shape, and the PCB core plate and film combination 109 is taken away;
the lengths of the driven connecting rod 207 and the driving connecting rod 210 are consistent, the lengths of the reset plate 208 and the vertical plate 209 are consistent, and according to the determination rule of the parallelogram, the driven connecting rod 207, the driving connecting rod 210, the reset plate 208 and the vertical plate 209 form the parallelogram, so that the reset plate 208 is always parallel to the vertical plate 209 in the moving process, that is, the reset plate 208 is always perpendicular to the moving table 206, and therefore, the PCB core board and film combination 109 can be reset by matching with the limiting plate 401.
Referring to fig. 1, 2, 3 and 8, the visual inspection assembly 300 includes a mounting plate 309 and a control cylinder 313, the mounting plate 309 is fixedly connected to the top of the working table 105, the control cylinder 313 is fixedly connected to the top of the working table 105, at least one guide rod 305 is fixedly connected to the front of the mounting plate 309, a moving block 312 is slidably connected to the surface of the guide rod 305, a movable block 310 is fixedly connected to the output end of the control cylinder 313, a swinging rod 311 is rotatably connected to the top of the movable block 310, and the front end of the swinging rod 311 is rotatably connected to the side surface of the moving block 312;
the top of the moving block 312 is fixedly connected with a T-shaped vertical rail 301, the front of the T-shaped vertical rail 301 is fixedly connected with a rack 304, the rack 304 is consistent with the height of the T-shaped vertical rail 301, the upper part of the T-shaped vertical rail 301 is slidably connected with a lifting block 306, the lifting block 306 is slidably connected with the rack 304, the front of the lifting block 306 is fixedly connected with a CCD detection head 302, the CCD detection head 302 is fixedly connected with a limit switch 314, the right side of the bottom of the lifting block 306 is fixedly connected with a lifting motor 307, the output end of the lifting motor 307 is fixedly connected with a driving gear 303, and the driving gear 303 is meshed with the rack 304;
the rear end of the guide rod 305 is sleeved with a return spring 308, the rear end of the return spring 308 is fixedly connected to the front surface of the mounting plate 309, and the front end of the return spring 308 is fixedly connected to the rear side of the moving block 312;
the control cylinder 313 is relaxed to enable the movable block 310 to move leftwards, the swinging rod 311 is pressed, the CCD detection head 302 moves forwards to the position above the rear end of the PCB core plate and film combination 109, and as the position of the limiting plate 401 is limited by the limiting switch 314, after the PCB core plate and film combination 109 is pushed by the limiting plate 401, the number of the core plate at the top of the PCB core plate and film combination 109 is located under the CCD detection head 302, the CCD detection head 302 automatically focuses and reads the number, meanwhile, the driving motor 101 drives the screw 102 to rotate, so that the balance assembly 200 and the programmable electronic scale 107 move leftwards, the numbers of different core plates or films are read by the CCD detection head 302 and are transmitted to the control computer 104, and the CCD detection head 302 is also matched with the rack 304 under the control of the lifting motor 307 to continuously descend, so that the distance between the detection head 302 and the read core plate or film is ensured to be small enough.
Referring to fig. 1, the above is a use manner of each component in the detection process, and the following is a specific detection method of the device:
each high multilayer PCB is combined together according to a fixed sequence, so that the numbers corresponding to the combination sequence are designed at the fixed position of the right rear corner of each inner core board of the PCB in advance, meanwhile, the correct combination sequence of the PCB (namely the sequence of each sub-layer sequence number) is set in the control computer 104 and stored as a standard layer sequence number, after the CCD detection head 302 acquires the sequence number on the PCB core board, a signal is fed back to the control computer 104, the control computer 104 compares the acquired data with the current standard layer sequence number, if the current layer is consistent with the layer sequence number acquired by the CCD, the PASS is judged, if the current layer is inconsistent with the layer sequence number, the Fail is displayed, the PCB core board and film combination 109 is displayed in the display screen 110, the core board with a problem is identified in the PCB core board and film combination 109, and an alarm sound is generated;
based on that each high multilayer material number has different layers and the corresponding semi-cured PP film has specific weight and is very stable, whether the model and the specification are correct or not can be judged through weight information, the specific operation is that firstly, a standard board is taken, an operator weighs the weight of each layer of core board and PP film specification model of the material number according to the correct combination sequence on a programmable electronic scale 107 according to a PCB stacking drawing, the accumulated weight of each layer of core board and PP film is arranged in a computer, in the high multilayer PCB combination process, the programmable electronic scale 107 weighs the PCB core board and film combination 109 in a cube form, weight information is fed back to a control computer 104, if the weight change is in a setting range, PASS is displayed, if the core boards with the same layer serial numbers of different material numbers are put in or the semi-cured PP film specification is misplaced, the weight information is inconsistent with the set value, at the moment, the display screen 110 displays Fail, and flashes at the field of the actual weight, and simultaneously gives out alarm sound;
the operator judges whether the combination sequence and specification of the material numbers are correct according to the information prompted by the computer display, and immediately corrects errors, so that the situation that the high-multilayer board is found to be wrong after the combination or the lamination is completed, and irreversible loss is caused is avoided.
The top of the T-shaped guide rail 103 is slidably connected with a programmable electronic scale 107, a positioning groove 106 is formed in the left rear side of the programmable electronic scale 107, a fixed plate 108 is fixedly connected to the left side of the top of the operating platform 105, a driving motor 101 is fixedly connected to the left side of the fixed plate 108, a screw rod 102 is fixedly connected to the output end of the driving motor 101, the screw rod 102 is rotationally connected with the fixed plate 108, the screw rod 102 is in threaded connection with a movable platform 206, and the screw rod 102 is in threaded connection with the programmable electronic scale 107.
The control computer 104 is fixedly connected to the front of the workbench 105, the display screen 110 is installed on the upper portion of the control computer 104, the display screen 110 is electrically connected with the CCD detection head 302, and the programmable electronic scale 107 is electrically connected with the control computer 104.
The left end front and back sides of the upper surface of the supporting plate 408 are fixedly connected with positioning strips 403, the positioning strips 403 are perpendicular to the supporting plate 408, and the left side faces of the positioning strips 403 are abutted against the right side faces of the limiting plates 401.
The working principle and the using flow of the invention are as follows: through setting up balance assembly 200, spacing subassembly 400 and visual detection subassembly 300, can be with PCB core and film combination 109 slope setting, make the serial number of PCB core and film combination 109 expose, thereby be convenient for visual detection subassembly 300 discerns its serial number, replace the operator visual inspection through the CCD visual inspection, prevent core sequential combination stack mistake, prevent core and PP specification use mistake through the mode of weighing of electronic scale, obtain the real-time data in the combination process through the CCD inspection with high accuracy weight measurement, and carry out automatic comparison with the standard data that sets up in the computer, judge whether combination order and core and PP specification are correct through the comparison result by the computer, and point out PASS or Fail through man-machine interface, and when showing Fail, put forward the alarm through the sound, realize high multiply wood combination mistake proofing's automation completely, and very big alleviateed the operator work, combination mistake emergence has been stopped.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made therein without departing from the spirit and scope of the invention, which is defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A CCD vision inspection device for preventing errors in the hierarchical sequence and specification of a multi-layer PCB, comprising:
the device comprises a workbench (105), wherein at least one T-shaped guide rail (103) is fixedly connected to the top of the workbench (105);
the balance assembly (200) is arranged at the left side of the top of the T-shaped guide rail (103), and the balance assembly (200) is used for supporting the inclined multilayer core plate and the films in an auxiliary mode;
a visual inspection assembly (300) disposed on a rear side of a top of the work table (105), the visual inspection assembly (300) being configured to inspect a combination sequence and specification of the multi-layered core board and the film;
spacing subassembly (400) sets up on T shape guide rail (103) top right side, spacing subassembly (400) are used for the coding display of multilayer core and film, spacing subassembly (400) include backup pad (408), backup pad (408) fixedly connected with is on T shape guide rail (103) top right side, backup pad (408) upper surface left end front and back side all fixedly connected with supporting shoe (402), supporting shoe (402) inboard rotation is connected with limiting plate (401), limiting plate (401) right side middle part fixedly connected with locating piece (410), backup pad (408) upper surface right side fixedly connected with T shape slide rail (409), T shape slide rail (409) right-hand member fixedly connected with limiting motor (406), T shape slide rail (409) middle part sliding connection is stopper (407), stopper (407) top fixedly connected with shaving piece (411), the output fixedly connected with screw rod (405) of limiting motor (406), screw rod (405) and stopper (407) threaded connection, shaving piece (411) openly rotate and are connected with pole (404), push-pull rod (404) top and locating piece (410) rotation connection.
2. The CCD vision inspection device for preventing errors in the hierarchical order and specification of a multi-layer PCB as set forth in claim 1, wherein: the balance assembly (200) comprises a moving table (206), wherein the front side and the rear side of the top are fixedly connected with a balance plate (201), at least one limit groove (202) is formed in the front of the balance plate (201), the limit grooves (202) are uniformly distributed on the surface of the balance plate (201), at least one limit rod (203) is connected in the inner side of the limit groove (202) in a sliding mode, auxiliary plates (204) are fixedly connected with the inner side of the limit rod (203), the auxiliary plates (204) are mutually abutted to form a frame, the bottom of the auxiliary plates (204) are abutted to the upper surface of the moving table (206), an extension block (213) is fixedly connected to the left side of the moving table (206), a vertical stand plate (209) is fixedly connected to the left side of the top of the extension block (213), a protruding block (212) is fixedly connected to the left side of the extension block, a reset cylinder (211) is rotatably connected to the protruding block, the front side and the rear side of the bottom of the vertical stand plate (209) are rotatably connected with a driving connecting rod (210), the front side and the rear side of the top of the vertical stand plate (209) are rotatably connected with a driven connecting rod (207), the right side of the driven connecting rod (208) is rotatably connected with a reset connecting rod (208), and the right side of the driven connecting rod (208) is rotatably connected with the reset connecting rod (208) at the bottom of the driving connecting rod (210), and the reset cylinder (210) is rotatably connected with the lower end of the driving rod (210).
3. The CCD vision inspection device for preventing errors in the hierarchical order and specification of a multi-layer PCB as set forth in claim 2, wherein: the length of the driven connecting rod (207) is consistent with that of the driving connecting rod (210), and the length of the reset plate (208) is consistent with that of the vertical plate (209).
4. A CCD vision inspection device for preventing errors in the hierarchical order and specification of a multi-layer PCB as set forth in claim 3, wherein: the outer side end of the limiting rod (203) is fixedly connected with a small disc (205), the small disc (205) is in sliding connection with the balance plate (201), the diameter of the small disc (205) is larger than the height of the notch of the limiting groove (202), and the diameter of the limiting rod (203) is consistent with the height of the notch of the limiting groove (202).
5. The CCD vision inspection device for preventing errors in the hierarchical order and specification of a multi-layer PCB as set forth in claim 4, wherein: the visual inspection assembly (300) comprises a mounting plate (309) and a control cylinder (313), wherein the mounting plate (309) is fixedly connected to the top of the workbench (105), the control cylinder (313) is fixedly connected to the top of the workbench (105), at least one guide rod (305) is fixedly connected to the front surface of the mounting plate (309), a moving block (312) is slidably connected to the surface of the guide rod (305), a movable block (310) is fixedly connected to the output end of the control cylinder (313), a swinging rod (311) is rotatably connected to the top of the movable block (310), and the front end of the swinging rod (311) is rotatably connected to the side surface of the moving block (312).
6. The CCD vision inspection device for preventing errors in the hierarchical order and specification of a multi-layer PCB as set forth in claim 5, wherein: the movable block (312) top fixedly connected with T shape erects rail (301), the positive fixedly connected with rack (304) of T shape erects rail (301), rack (304) highly uniform with T shape erects rail (301), T shape erects rail (301) upper portion sliding connection has lifting block (306), lifting block (306) and rack (304) sliding connection, lifting block (306) positive fixedly connected with CCD detects head (302), CCD detects head (302) fixedly connected with limit switch (314), lifting block (306) bottom right side fixedly connected with elevator motor (307), the output fixedly connected with drive gear (303) of elevator motor (307), drive gear (303) mesh with rack (304).
7. The CCD vision inspection device for preventing errors in the hierarchical order and specification of a multi-layer PCB as set forth in claim 6, wherein: the rear end of the guide rod (305) is sleeved with a return spring (308), the rear end of the return spring (308) is fixedly connected to the front surface of the mounting plate (309), and the front end of the return spring (308) is fixedly connected to the rear side of the moving block (312).
8. The CCD vision inspection device for preventing errors in the hierarchical order and specification of a multi-layer PCB as set forth in claim 7, wherein: the top sliding connection of T shape guide rail (103) has programmable electronic scale (107), constant head tank (106) have been seted up to programmable electronic scale (107) left rear side, workstation (105) top left side fixedly connected with fixed plate (108), fixed plate (108) left side fixedly connected with driving motor (101), the output fixedly connected with lead screw (102) of driving motor (101), lead screw (102) are connected with fixed plate (108) rotation, lead screw (102) and mobile station (206) threaded connection, lead screw (102) and programmable electronic scale (107) threaded connection.
9. The CCD vision inspection device for preventing errors in the hierarchical order and specification of a multi-layer PCB as set forth in claim 8, wherein: the front of the workbench (105) is fixedly connected with a control computer (104), a display screen (110) is arranged on the upper portion of the control computer (104), the display screen (110) is electrically connected with a CCD detection head (302), and the programmable electronic scale (107) is electrically connected with the control computer (104).
10. The CCD vision inspection device for preventing errors in the hierarchical order and specification of a multi-layer PCB as set forth in claim 9, wherein: the left end front and back sides of the upper surface of the supporting plate (408) are fixedly connected with positioning strips (403), the positioning strips (403) are perpendicular to the supporting plate (408), and the left side faces of the positioning strips (403) are abutted against the right side faces of the limiting plates (401).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310655158.1A CN116625947A (en) | 2023-06-05 | 2023-06-05 | CCD visual inspection device for preventing multi-layer PCB (printed circuit board) hierarchy sequence and specification errors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310655158.1A CN116625947A (en) | 2023-06-05 | 2023-06-05 | CCD visual inspection device for preventing multi-layer PCB (printed circuit board) hierarchy sequence and specification errors |
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| Publication Number | Publication Date |
|---|---|
| CN116625947A true CN116625947A (en) | 2023-08-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310655158.1A Withdrawn CN116625947A (en) | 2023-06-05 | 2023-06-05 | CCD visual inspection device for preventing multi-layer PCB (printed circuit board) hierarchy sequence and specification errors |
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| CN (1) | CN116625947A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117565419A (en) * | 2024-01-17 | 2024-02-20 | 梨树全创科技有限公司 | Error correction device capable of intelligently identifying hierarchical sequence and specification of high-multilayer PCB |
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2023
- 2023-06-05 CN CN202310655158.1A patent/CN116625947A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117565419A (en) * | 2024-01-17 | 2024-02-20 | 梨树全创科技有限公司 | Error correction device capable of intelligently identifying hierarchical sequence and specification of high-multilayer PCB |
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Application publication date: 20230822 |