CN114604568B - Automatic detection device for PCB - Google Patents

Automatic detection device for PCB Download PDF

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Publication number
CN114604568B
CN114604568B CN202210275276.5A CN202210275276A CN114604568B CN 114604568 B CN114604568 B CN 114604568B CN 202210275276 A CN202210275276 A CN 202210275276A CN 114604568 B CN114604568 B CN 114604568B
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CN
China
Prior art keywords
detection
box
conveying belt
belt unit
plate
Prior art date
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Active
Application number
CN202210275276.5A
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Chinese (zh)
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CN114604568A (en
Inventor
罗灿烂
罗炜杰
罗彩云
程言起
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ji'an Ruihong Electronics Co ltd
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Ji'an Ruihong Electronics Co ltd
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Publication date
Application filed by Ji'an Ruihong Electronics Co ltd filed Critical Ji'an Ruihong Electronics Co ltd
Priority to CN202210275276.5A priority Critical patent/CN114604568B/en
Publication of CN114604568A publication Critical patent/CN114604568A/en
Application granted granted Critical
Publication of CN114604568B publication Critical patent/CN114604568B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G15/00Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration
    • B65G15/30Belts or like endless load-carriers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07CPOSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
    • B07C5/00Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
    • B07C5/34Sorting according to other particular properties
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07CPOSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
    • B07C5/00Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
    • B07C5/36Sorting apparatus characterised by the means used for distribution
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B5/00Cleaning by methods involving the use of air flow or gas flow
    • B08B5/02Cleaning by the force of jets, e.g. blowing-out cavities
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G43/00Control devices, e.g. for safety, warning or fault-correcting
    • B65G43/08Control devices operated by article or material being fed, conveyed or discharged
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G47/00Article or material-handling devices associated with conveyors; Methods employing such devices
    • B65G47/22Devices influencing the relative position or the attitude of articles during transit by conveyors
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G47/00Article or material-handling devices associated with conveyors; Methods employing such devices
    • B65G47/74Feeding, transfer, or discharging devices of particular kinds or types
    • B65G47/90Devices for picking-up and depositing articles or materials
    • B65G47/91Devices for picking-up and depositing articles or materials incorporating pneumatic, e.g. suction, grippers
    • B65G47/914Devices for picking-up and depositing articles or materials incorporating pneumatic, e.g. suction, grippers provided with drive systems incorporating rotary and rectilinear movements
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/28Testing of electronic circuits, e.g. by signal tracer
    • G01R31/2801Testing of printed circuits, backplanes, motherboards, hybrid circuits or carriers for multichip packages [MCP]
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G2201/00Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
    • B65G2201/02Articles
    • B65G2201/0214Articles of special size, shape or weigh
    • B65G2201/022Flat
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/82Recycling of waste of electrical or electronic equipment [WEEE]

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Sorting Of Articles (AREA)
  • Specific Conveyance Elements (AREA)

Abstract

The invention relates to the field of PCB detection equipment, in particular to an automatic PCB detection device. The device comprises a detection box, a feeding part, a transferring part, a conveying belt unit, a detection table, a partition plate, a detection assembly, a positioning assembly, a screening cylinder, a controller, a mounting plate and a discharging assembly; the material conveying belt unit is arranged in the detection box, and a plurality of groups of detection tables are arranged on the material conveying belt; the feeding piece and the transferring piece are matched with each other and are arranged on the feeding end of the conveying belt unit; the screen charging barrel is arranged at the discharging end of the material conveying belt unit; the two groups of partition boards are arranged above the material conveying belt unit; the mounting plate is arranged between the two groups of partition plates to form two communicated detection chambers; the detection component is arranged in the detection chamber; the positioning component is arranged at the outer side of the material conveying belt unit; the discharging component is arranged at the bottom of the detection box corresponding to the position of the screen charging barrel. The invention is provided with the transfer part, the material conveying belt unit, the material screening cylinder and the discharging component to form a coherent detection channel, thereby realizing automatic, continuous and cyclic detection.

Description

Automatic detection device for PCB
Technical Field
The invention relates to the field of PCB detection equipment, in particular to an automatic PCB detection device.
Background
A PCB, a printed wiring board, is one of the important components of the electronics industry. Almost every electronic device, as small as an electronic watch, a calculator, as large as a computer, a communication electronic device, a military weapon system, has only electronic components such as an integrated circuit, and a printed board is used for electrically interconnecting the respective components. At present, the PCB has been widely applied to the production and manufacture of electronic products. In the board manufacturing process, the circuit is required to be subjected to on-off test, and the existing method adopts manual inspection, so that the labor intensity is high, the inspection precision is low, and the omission and other conditions are easy to occur.
The Chinese patent document with the bulletin number of CN 213240422U discloses an automatic detection device for a PCB (printed Circuit Board), which comprises a workbench, wherein a rack is fixedly arranged on the upper surface of the workbench, a hydraulic cylinder is fixedly arranged on the inner top of the rack, a connecting plate is fixedly connected with the output shaft end of the hydraulic cylinder and is slidably connected in the rack through a first sliding block at two ends, a detector is fixedly arranged on the lower surface of the connecting plate, a detection table is fixedly arranged on the upper surface of the workbench, springs are arranged on two sides in the detection table, and one ends of the springs are connected with a pressing plate.
The Chinese patent document with the bulletin number of CN 210690741U discloses an automatic PCB detection device, which comprises a box body, a detection plate, a buffer plate and a bearing plate, wherein two groups of fixing plates are symmetrically arranged on the inner side wall of the box body, two groups of fixing plates are provided with grooves on opposite surfaces, a support rod is arranged between the fixing plates in a sliding mode, two ends of the support rod extend into the grooves formed by the fixing plates, the support rod is perpendicular to the fixing plates, a sliding sleeve is arranged on the outer wall of the support rod, the sliding block is of a rectangular frame structure, a telescopic cylinder is arranged on the bottom end face of the sliding block, the telescopic end of the bottom of the telescopic cylinder is fixedly connected with the upper surface of the detection plate, a conductive needle is arranged on the bottom end face of the detection plate, the conductive needle is connected with a display fixedly arranged on the outer side of the box body through a wire, and the bearing plate parallel to the detection plate is arranged at the inner bottom end of the box body.
The device has the problem of insufficient automation, the PCB is required to be placed manually one by one, the PCB is taken out, the feeding amount is small, the detection mode is single, the detection efficiency is low, the qualified products and the unqualified products are required to be separated manually by staff after the detection, and the automatic, continuous and cyclic detection cannot be realized.
Disclosure of Invention
Aiming at the problems in the background technology, the automatic detection device for the PCB is provided. The invention is provided with the transfer part, the material conveying belt unit, the material screening cylinder and the discharging component to form a coherent detection channel, thereby realizing automatic, continuous and cyclic detection.
The invention provides an automatic PCB detection device, which comprises a detection box, a feeding piece, a transferring piece, a material conveying belt unit, a detection table, a partition plate, a detection assembly, a positioning assembly, a screening barrel, a controller, a mounting plate and a discharging assembly, wherein the detection box is provided with a plurality of material conveying grooves; the material conveying belt unit is arranged in the detection box, and a plurality of groups of detection tables are arranged on the material conveying belt; the feeding piece and the transferring piece are matched with each other and are arranged on the feeding end of the conveying belt unit; the screen charging barrel is arranged at the discharging end of the material conveying belt unit; the two groups of partition boards are arranged above the material conveying belt unit; the mounting plate is arranged between the two groups of partition plates to form two communicated detection chambers; the detection component is arranged in the detection chamber; the positioning component is arranged at the outer side of the material conveying belt unit; the discharging component is arranged at the bottom of the detection box corresponding to the position of the screen charging barrel.
The detection assembly comprises a first driving part, a lifting frame, a guide rod, a lifting plate, a first detection seat and a second detection seat; the guide rods are respectively arranged at the tops of the two detection chambers; the lifting frame driven by the first driving piece slides up and down along the partition board, the upper ends of the two sides are respectively connected with the corresponding guide rods in a sliding way, and the lower ends of the two sides respectively extend into the two detection chambers and are connected with the lifting plate; the first detection seat is arranged at the lower end of the group of lifting plates, and a detection probe is arranged on the first detection seat; the second detection seat is arranged at the lower end of the other group of lifting plates, and a CCD camera is arranged on the second detection seat.
The positioning component comprises a positioning frame, a second driving piece, a spray head, an air pipe and an air pump; the positioning frames are provided with two groups, and are respectively driven by the second driving part to horizontally move at two sides of the bottom of the detection chamber; the shower nozzle sets up on the locating rack, communicates with the air pump through the trachea.
Preferably, the mounting plate is provided with a through groove; the first driving piece is arranged on the through groove, and the driving end is connected with the lifting frame; the lifting frame is connected with the wall of the through groove in a sliding way.
Preferably, a light supplementing lamp is arranged at the center of the second detection seat; the CCD cameras are arranged in a plurality of groups, and the CCD cameras are arranged along the periphery of the light supplementing lamp.
Preferably, the positioning frame is provided with a clamping opening.
Preferably, the spray heads are provided with a plurality of groups, and the air spraying direction faces the material conveying belt of the material conveying belt unit.
Preferably, the inner wall of the detection box is provided with a guide plate; the material guiding plate is positioned between the material conveying belt unit and the material sieving cylinder.
Preferably, the screen charging barrel is provided with a driving part III, a rotating shaft and a pushing plate; the rotating shaft driven by the driving part III is rotationally arranged at the center of the screen cylinder; the pushing plate is provided with four groups along the side wall of the rotating shaft to divide the pushing plate into four screening bins; the upper end of the screen material cylinder is open, and the bottom of the screen material cylinder is provided with discharge valves corresponding to the screen material bins one by one.
Preferably, the discharging assembly comprises a discharging box and a mounting bucket; the mounting bucket is arranged at the bottom of the detection box, and one side of the mounting bucket is provided with an opening; the discharging box is arranged on the opening of the mounting bucket in a sliding manner, and a discharging bin which corresponds to and is communicated with the discharging valves one by one is arranged at the upper end of the discharging box.
Preferably, the feeding piece comprises a feeding box, a box door, a threaded rod and a positioning plate; the detection box is provided with a feed inlet; the box door is clamped and arranged outside the feed inlet; the feeding box is arranged on the feeding hole in a sliding way and is connected with the box door; the positioning plate is arranged in the feeding box in a sliding way; the threaded rod is in threaded fit with the box door, one side end part of the threaded rod extends into the feeding box, and the threaded rod is rotationally connected with the positioning plate.
Preferably, the transfer member comprises a driving member IV, a rotary telescopic frame and a sucker; the driving piece IV is arranged at the top of the detection box; the rotary expansion bracket is of an n-type structure, the horizontal section rotates through a main shaft connected with the driving piece IV, and the vertical section stretches through a cylinder; the sucking disc sets up in the vertical section bottom of rotatory expansion bracket.
Compared with the prior art, the invention has the following beneficial technical effects:
the invention is provided with the transfer part, the material conveying belt unit, the material screening cylinder and the discharging component to form a coherent detection channel, thereby realizing automatic, continuous and cyclic detection. The detection component and the positioning component work cooperatively. Wherein the locating component moves through the locating rack on the one hand, adjusts the position of PCB board, and on the other hand is gaseous through shower nozzle blowout, cleans the PCB board, and multiple mode improves the precision that detects. The detection assembly is provided with the first detection seat and the second detection seat, independent and synchronous detection is carried out by means of two technologies of the CCD camera and the detection probe, the detection mode is various and efficient, and the detection result is more accurate. Through the cooperation of sieve feed cylinder and ejection of compact subassembly, realized automatic classification ejection of compact, alleviateed staff's amount of labour, also be convenient for retrieve, repair the classification of unqualified product.
Drawings
FIG. 1 is a first perspective view of an embodiment of the present invention;
FIG. 2 is a second perspective view of an embodiment of the present invention;
FIG. 3 is a first perspective cross-sectional view of a test cassette in one embodiment of the invention;
FIG. 4 is a second perspective cross-sectional view of a test cassette in one embodiment of the invention;
FIG. 5 is an enlarged view of FIG. 4 at A;
FIG. 6 is a schematic diagram of a detection assembly according to an embodiment of the present invention;
FIG. 7 is a schematic view of a positioning assembly according to an embodiment of the present invention;
FIG. 8 is an enlarged view at B in FIG. 3;
FIG. 9 is a schematic view of a screen cartridge according to an embodiment of the present invention;
fig. 10 is a schematic structural view of a feeding member according to an embodiment of the present invention.
Reference numerals: 1. a detection box; 2. a feed member; 3. a driving member IV; 4. rotating the telescopic frame; 5. a suction cup; 6. a material conveying belt unit; 7. a detection table; 8. a partition plate; 9. a detection assembly; 10. a light supplementing lamp; 11. a screen cylinder; 12. a lifting frame; 13. a lifting plate; 14. detecting a first seat; 15. a second detection seat; 16. detecting a probe; 17. a CCD camera; 18. a first driving member; 19. a mounting plate; 20. a guide rod; 21. a through groove; 22. a second driving piece; 23. a positioning frame; 24. a spray head; 25. an air pipe; 26. an air pump; 27. a material guide plate; 28. a rotating shaft; 29. a pushing plate; 30. a discharge valve; 31. a discharge box; 32. discharging the material bin; 33. installing a bucket; 34. a controller; 35. a discharge assembly; 36. a feed box; 37. a door; 38. a threaded rod; 39. a positioning plate; 40. a transfer member; 41. and a positioning assembly.
Detailed Description
Example 1
As shown in fig. 1-5, the automatic detection device for the PCB board provided by the invention comprises a detection box 1, a feeding member 2, a transferring member 40, a conveying belt unit 6, a detection table 7, a partition 8, a detection assembly 9, a positioning assembly 41, a screen cylinder 11, a controller 34, a mounting plate 19 and a discharging assembly 35; the material conveying belt unit 6 is arranged in the detection box 1, and a plurality of groups of detection tables 7 are arranged on the material conveying belt; the feeding member 2 and the transferring member 40 are matched with each other and arranged on the feeding end of the feeding belt unit 6; the screen cylinder 11 is arranged at the discharge end of the material conveying belt unit 6; the two groups of partition boards 8 are arranged above the material conveying belt unit 6; the mounting plate 19 is arranged between the two groups of partition plates 8 to form two communicated detection chambers; the detection component 9 is arranged in the detection chamber; the positioning component 41 is arranged on the outer side of the material conveying belt unit 6; the discharging component 35 is arranged at the bottom of the detection box 1 corresponding to the position of the screen cylinder 11.
As shown in fig. 6, the detection assembly 9 includes a first driving member 18, a lifting frame 12, a guide rod 20, a lifting plate 13, a first detection seat 14 and a second detection seat 15; the guide rods 20 are respectively arranged at the tops of the two detection chambers; the lifting frame 12 driven by the first driving part 18 slides up and down along the partition plate 8, the upper ends of the two sides are respectively connected with the corresponding guide rods 20 in a sliding way, and the lower ends of the two sides respectively extend into the two detection chambers and are connected with the lifting plate 13; the first detection seat 14 is arranged at the lower end of the group of lifting plates 13, and the first detection seat 14 is provided with a detection probe 16; the second detection seat 15 is arranged at the lower end of the other group of lifting plates 13, and the second detection seat 15 is provided with a CCD camera 17; the first detection seat 14 and the second detection seat 15 are provided with in-place sensors.
As shown in fig. 7, the positioning assembly 41 includes a positioning frame 23, a second driving member 22, a nozzle 24, an air pipe 25 and an air pump 26; the positioning frames 23 are provided with two groups, are respectively driven by the driving parts II 22 and horizontally move at two sides of the bottom of the detection chamber, and the positioning frames 23 are provided with pressure sensors; the spray head 24 is arranged on the positioning frame 23 and is communicated with the air pump 26 through an air pipe 25.
The working principle of the invention is as follows: the PCBs are stacked in the feeding member 2, and the transfer member 40 transfers the PCBs to the detection table 7 one by one. The detection table 7 moves to the first detection chamber along with the feed belt of the feed belt unit 6. The positioning component 41 works, and the second driving piece 22 drives the positioning frame 23 to move towards the PCB until the position of the PCB is adjusted. The nozzle 24 sprays gas to clean the PCB. Then the detection assembly 9 works, the lifting frame 12 is driven to descend by the first driving part 18, the CCD camera 17 shoots the PCB, the shot image is transmitted to the controller 34, and the shot image is compared with the existing qualified PCB image data to perform first detection. Then the PCB is moved to the second inspection chamber and a new PCB is moved to the second inspection chamber. The positioning assembly 41 operates again to simultaneously position the two PCBs. The first inspection station 14 is then lowered and a second inspection of the solder joints on the PCB is performed by the inspection probes 16. At this time, the second detection seat 15 performs the first detection on the new PCB. And the PCB after the detection twice enters a screening cylinder 11, and is screened according to the detection result, and finally flows out of the device from a discharging component 35.
Further, a through groove 21 is arranged on the mounting plate 19; the first driving part 18 is arranged on the through groove 21, and the driving end is connected with the lifting frame 12; the lifting frame 12 is slidingly connected with the wall of the through groove 21. The lifting frame 12 is driven by the first driving part 18 to synchronously move up and down in the two detection chambers, so that the detection is efficient and low in consumption.
Further, a light supplementing lamp 10 is arranged at the center of the second detection seat 15; the CCD cameras 17 are provided in plural sets, and the plural sets of CCD cameras 17 are along the outer periphery of the light supplement lamp 10. The CCD camera 17 has a large shooting range, a guaranteed shooting effect and strong intelligence in cooperation with the existing analysis technology.
Further, a locking opening is provided on the positioning frame 23. And (3) through the clamping opening, the PCB is arranged at the correct position.
Further, the spray heads 24 are provided in plural groups, and the air spraying direction is toward the material conveying belt of the material conveying belt unit 6. The gas sprayed by the spray head 24 cleans the PCB, removes dust and sundries, and reduces detection errors.
Example two
As shown in fig. 8 to 9, on the basis of the above embodiment, the inner wall of the detection box 1 in this embodiment is provided with a guide plate 27; the guide plate 27 is located between the conveyor belt unit 6 and the screen cylinder 11. The screen cylinder 11 is provided with a third driving part, a rotating shaft 28 and a pushing plate 29; the rotating shaft 28 driven by the driving part III is rotatably arranged at the center of the screen cylinder 11; the pushing plate 29 is provided with four groups along the side wall of the rotating shaft 28 to divide the rotating shaft into four sieve bins; the upper end of the screen material cylinder 11 is open, and the bottom is provided with discharge valves 30 corresponding to the screen material bins one by one.
Further, the outfeed assembly 35 includes an outfeed box 31 and a mounting bucket 33; the mounting bucket 33 is arranged at the bottom of the detection box 1, and one side of the mounting bucket is provided with an opening; the discharge box 31 is arranged on the opening of the mounting bucket 33 in a sliding manner, and a discharge bin 32 which corresponds to and is communicated with the discharge valve 30 one by one is arranged at the upper end of the discharge box 31.
In this embodiment, the four discharge valves 30 in the sieve cylinder 11 are respectively a qualified product valve, a probe detection failure valve, a camera detection failure valve and a secondary detection valve. The PCB falls on the guide plate 27 from the discharge end of the material conveying belt unit 6, and then slides into the screening bins of the screening cylinder 11 one by one. According to the detection result, the rotating shaft 28 rotates, and the pushing plate 29 pushes the PCB to leave the detection box 1 from the corresponding one of the discharge valves 30 and fall into the corresponding discharge bin 32. Finally, the discharging boxes 31 are taken out to be discharged in a classified manner. Through the cooperation of screen cylinder 11 and ejection of compact subassembly 35, realized automatic classification ejection of compact, alleviateed staff's amount of labour, also be convenient for retrieve, repair the classification of disqualified product.
Example III
As shown in fig. 10, on the basis of the above embodiment, the feeding member 2 in this embodiment includes a feeding box 36, a box door 37, a threaded rod 38, and a positioning plate 39; the detection box 1 is provided with a feed inlet; the box door 37 is arranged outside the feed inlet in a clamping way; the feeding box 36 is arranged on the feeding hole in a sliding way and is connected with the box door 37; the positioning plate 39 is slidably disposed within the feed box 36; the threaded rod 38 is in threaded engagement with the door 37, and one end portion extends into the feed box 36 and is rotatably connected to the positioning plate 39.
In this embodiment, the feeding box 36 is taken out and the PCB board is stacked on one side of the positioning plate 39. Simultaneously, the threaded rod 38 is rotated, so that the positioning plate 39 moves towards the PCB and is limited, the PCB is guaranteed to be orderly stacked, and subsequent automatic feeding is facilitated.
As shown in fig. 3 to 4, the transfer member 40 includes a driving member four 3, a rotary expansion bracket 4, and a suction cup 5; the driving piece IV 3 is arranged at the top of the detection box 1; the rotary expansion bracket 4 is of an n-type structure, the horizontal section rotates through a main shaft connected with the driving piece IV 3, and the vertical section stretches through a cylinder; the suction cup 5 is arranged at the bottom of the vertical section of the rotary expansion bracket 4.
In the embodiment, when the transfer piece 40 works, the driving piece four 3 drives the rotary telescopic frame 4 to rotate, and the cylinder drives the sucking discs 5 to lift so as to transfer the PCBs in the feeding box 36 to the detection table 7 one by one, thereby realizing the circulation and automatic detection of the PCBs.
The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited thereto, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present invention.

Claims (10)

1. The automatic PCB detection device is characterized by comprising a detection box (1), a feeding piece (2), a transferring piece (40), a conveying belt unit (6), a detection table (7), a partition plate (8), a detection assembly (9), a positioning assembly (41), a screening barrel (11), a controller (34), a mounting plate (19) and a discharging assembly (35); the material conveying belt unit (6) is arranged in the detection box (1), and a plurality of groups of detection tables (7) are arranged on the material conveying belt; the feeding piece (2) and the transferring piece (40) are matched with each other and are arranged on the feeding end of the conveying belt unit (6); the screen material cylinder (11) is arranged at the discharge end of the material conveying belt unit (6); two groups of partition boards (8) are arranged above the material conveying belt unit (6); the mounting plate (19) is arranged between the two groups of partition plates (8) to form two communicated detection chambers; the detection component (9) is arranged in the detection chamber; the positioning component (41) is arranged at the outer side of the material conveying belt unit (6); the discharging component (35) is arranged at the bottom of the detection box (1) corresponding to the position of the screening cylinder (11);
the detection assembly (9) comprises a first driving part (18), a lifting frame (12), a guide rod (20), a lifting plate (13), a first detection seat (14) and a second detection seat (15); the guide rods (20) are respectively arranged at the tops of the two detection chambers; the lifting frame (12) driven by the first driving part (18) slides up and down along the partition plate (8), the upper ends of the two sides are respectively connected with the corresponding guide rods (20) in a sliding way, and the lower ends of the two sides respectively extend into the two detection chambers and are connected with the lifting plate (13); the first detection seat (14) is arranged at the lower end of the group of lifting plates (13), and the first detection seat (14) is provided with a detection probe (16); the second detection seat (15) is arranged at the lower end of the other group of lifting plates (13), and the second detection seat (15) is provided with a CCD camera (17);
the positioning component (41) comprises a positioning frame (23), a second driving piece (22), a spray head (24), an air pipe (25) and an air pump (26); the positioning frames (23) are provided with two groups, and are respectively driven by the driving part II (22) to horizontally move at two sides of the bottom of the detection chamber; the spray head (24) is arranged on the positioning frame (23) and is communicated with the air pump (26) through the air pipe (25).
2. The automatic detection device for the PCB according to claim 1, wherein the mounting plate (19) is provided with a through groove (21); the first driving part (18) is arranged on the through groove (21), and the driving end is connected with the lifting frame (12); the lifting frame (12) is connected with the groove wall of the groove (21) in a sliding way.
3. The automatic detection device for the PCB according to claim 1, wherein a light supplementing lamp (10) is arranged at the center of the second detection seat (15); the CCD cameras (17) are arranged in a plurality of groups, and the CCD cameras (17) are arranged along the periphery of the light supplementing lamp (10).
4. The automatic detection device for the PCB (printed circuit board) according to claim 1, wherein the positioning frame (23) is provided with a clamping opening.
5. The automatic detection device for the PCB according to claim 1, wherein a plurality of groups of spray heads (24) are arranged, and the air injection direction faces to the material conveying belt of the material conveying belt unit (6).
6. The automatic detection device for the PCB according to claim 1, wherein a material guide plate (27) is arranged on the inner wall of the detection box (1); the material guiding plate (27) is positioned between the material conveying belt unit (6) and the material sieving cylinder (11).
7. The automatic detection device for the PCB according to claim 6, wherein a driving piece III, a rotating shaft (28) and a pushing plate (29) are arranged on the screen material cylinder (11); a rotating shaft (28) driven by the driving part III is rotatably arranged at the center of the screen material cylinder (11); the pushing plate (29) is provided with four groups along the side wall of the rotating shaft (28) to divide the pushing plate into four sieve bins; the upper end of the screen material cylinder (11) is open, and the bottom is provided with discharge valves (30) corresponding to the screen material bins one by one.
8. The automatic detection device for the PCB boards according to claim 7, wherein the discharging assembly (35) comprises a discharging box (31) and a mounting bucket (33); the mounting bucket (33) is arranged at the bottom of the detection box (1), and one side of the mounting bucket is provided with an opening; the discharging box (31) is arranged on the opening of the mounting hopper (33) in a sliding manner, and discharging bins (32) which are in one-to-one correspondence and are communicated with the discharging valves (30) are arranged at the upper end of the discharging box (31).
9. The automatic detection device for the PCB (printed Circuit Board) according to claim 1, wherein the feeding piece (2) comprises a feeding box (36), a box door (37), a threaded rod (38) and a positioning plate (39); a feed inlet is arranged on the detection box (1); the box door (37) is arranged outside the feed inlet in a clamping way; the feeding box (36) is arranged on the feeding hole in a sliding way and is connected with the box door (37); the positioning plate (39) is arranged in the feeding box (36) in a sliding way; the threaded rod (38) is in threaded fit with the box door (37), one side end part of the threaded rod extends into the feeding box (36), and the threaded rod is rotationally connected with the positioning plate (39).
10. The automatic detection device for the PCB according to claim 1, wherein the transfer member (40) comprises a driving member IV (3), a rotary telescopic frame (4) and a sucker (5); the driving piece IV (3) is arranged at the top of the detection box (1); the rotary expansion bracket (4) is of an n-type structure, the horizontal section rotates through a main shaft connected with the driving piece IV (3), and the vertical section stretches through a cylinder; the sucker (5) is arranged at the bottom of the vertical section of the rotary expansion bracket (4).
CN202210275276.5A 2022-03-21 2022-03-21 Automatic detection device for PCB Active CN114604568B (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116251752A (en) * 2023-03-16 2023-06-13 昆山精品致精密电子有限公司 Tiny workpiece clamping structure and screening method for same-specification special-shaped workpieces

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US6168009B1 (en) * 1995-12-28 2001-01-02 Fuji Machine Mfg. Co. Ltd. Apparatus for positioning electronic component holder head and apparatus for transferring electronic component
CN111530708A (en) * 2020-05-29 2020-08-14 肖洪伟 Efficient steel pipe painting device
CN112742727A (en) * 2020-12-04 2021-05-04 张荷友 Rotatory verifying attachment is used in photoelectric product production
CN213644947U (en) * 2020-08-14 2021-07-09 漳州立达信灯具有限公司 Automatic test equipment
CN213923997U (en) * 2020-10-09 2021-08-10 东莞市瑞德丰生物科技有限公司 Pesticide production is with liquid filling machine of weighing

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6168009B1 (en) * 1995-12-28 2001-01-02 Fuji Machine Mfg. Co. Ltd. Apparatus for positioning electronic component holder head and apparatus for transferring electronic component
CN111530708A (en) * 2020-05-29 2020-08-14 肖洪伟 Efficient steel pipe painting device
CN213644947U (en) * 2020-08-14 2021-07-09 漳州立达信灯具有限公司 Automatic test equipment
CN213923997U (en) * 2020-10-09 2021-08-10 东莞市瑞德丰生物科技有限公司 Pesticide production is with liquid filling machine of weighing
CN112742727A (en) * 2020-12-04 2021-05-04 张荷友 Rotatory verifying attachment is used in photoelectric product production

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