CN114910488A - Circuit board surface defect detection equipment - Google Patents
Circuit board surface defect detection equipment Download PDFInfo
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- CN114910488A CN114910488A CN202210609878.XA CN202210609878A CN114910488A CN 114910488 A CN114910488 A CN 114910488A CN 202210609878 A CN202210609878 A CN 202210609878A CN 114910488 A CN114910488 A CN 114910488A
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- 238000001514 detection method Methods 0.000 title claims abstract description 105
- 230000007547 defect Effects 0.000 title claims abstract description 25
- 230000007306 turnover Effects 0.000 claims abstract description 31
- 230000005540 biological transmission Effects 0.000 claims description 94
- 230000017105 transposition Effects 0.000 claims description 91
- 238000009825 accumulation Methods 0.000 claims description 21
- 238000013519 translation Methods 0.000 claims description 21
- 230000003287 optical effect Effects 0.000 claims description 13
- 238000003860 storage Methods 0.000 claims description 10
- 238000012546 transfer Methods 0.000 claims description 8
- 230000000712 assembly Effects 0.000 claims description 6
- 238000000429 assembly Methods 0.000 claims description 6
- 230000007246 mechanism Effects 0.000 claims description 3
- 238000012360 testing method Methods 0.000 claims description 2
- 238000007599 discharging Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 238000003825 pressing Methods 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 3
- 230000008439 repair process Effects 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 238000003079 width control Methods 0.000 description 3
- 238000007689 inspection Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000000007 visual effect Effects 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
- G01N21/84—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
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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
-
- 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
- G01N21/13—Moving of cuvettes or solid samples to or from the investigating station
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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
- G01N21/95607—Inspecting patterns on the surface of objects using a comparative method
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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
- G01N21/95607—Inspecting patterns on the surface of objects using a comparative method
- G01N2021/95615—Inspecting patterns on the surface of objects using a comparative method with stored comparision signal
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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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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
- Attitude Control For Articles On Conveyors (AREA)
- Control Of Conveyors (AREA)
Abstract
The invention discloses a circuit board surface defect detection device, relating to the technical field of circuit board detection, the automatic double-side detection device comprises a bottom plate, a detection assembly and a turnover assembly, wherein the bottom plate is provided with a conveying assembly used for conveying a circuit board, the bottom plate is further provided with a main motor, an output shaft of the main motor is fixedly connected with one end of a main driving worm, the other end of the main driving worm is rotatably arranged on the bottom plate, one end of the output of the conveying assembly is connected with a workpiece discharging plate, the workpiece discharging plate is rotatably arranged on the bottom plate through an angle control shaft, an angle control gear is slidably arranged on the angle control shaft and is simultaneously and fixedly arranged at the output end of an angle control cylinder, the angle control cylinder is fixedly arranged on the bottom plate, and the angle control gear and the main driving worm form a worm gear matched with each other.
Description
Technical Field
The invention relates to the technical field of circuit board detection, in particular to a circuit board surface defect detection device.
Background
An automatic optical detector is a device for detecting the defects of a circuit board in the welding production of the circuit board. During automatic detection, the machine automatically scans the circuit board through the camera, acquires images, compares the tested welding points with qualified parameters in the database, inspects defects on the circuit board through image processing, and marks the defects through a display or an automatic mark for repair personnel to repair. Various different mounting errors and welding defects on the circuit board are automatically detected by using a high-speed high-precision vision processing technology. Circuit boards can range from fine pitch high density boards to low density large size boards and can provide an on-line inspection scheme to improve production efficiency, and solder quality. By using the optical inspection apparatus as a tool for reducing defects of the circuit board, errors are searched and eliminated at an early stage of the assembly process to achieve good quality control. Early detection of defects will avoid transporting the damaged board to a subsequent assembly stage to reduce repair costs and avoid scrapping non-repairable circuit boards. Therefore, a circuit board surface defect detecting apparatus is required.
In the prior art, a chinese patent with publication (publication) number CN102338751B discloses a circuit board defect detection apparatus based on a visual detection method, and the invention adopts the following technical scheme: including the material loading module, detect the functional module, ejection of compact module and the control module who is used for control circuit board positioning mechanism action and carries out defect detection and ejection of compact control, the entry linkage of material loading module and pay-off conveyer belt, the export and the detection functional module of pay-off conveyer belt are connected, circuit board positioning mechanism is installed in the exit of pay-off conveyer belt, it links up with ejection of compact module to detect the functional module, wherein, it includes the detection functional module base to detect the functional module, install the camera frame of CCD camera, the electro-magnet baffle with be used for carrying the detection conveyer belt that waits to detect the circuit board, it installs on detecting the functional module base to detect the conveyer belt, the camera frame is located and detects the conveyer belt top, install the electro-magnet baffle in the exit that detects the conveyer belt. The invention can improve accuracy, and has high detection speed and high working efficiency. However, the above invention usually only detects one side of the circuit board during working, the existing circuit board includes a double-layer circuit board, both sides of the double-layer circuit board have circuits, so double-side detection is required, but the above invention only has a single-side detection device.
Disclosure of Invention
Aiming at the technical problem, the invention provides a circuit board surface defect detection device which comprises a bottom plate, wherein a conveying assembly and a detection assembly are arranged on the bottom plate, the detection assembly is arranged on the upper side of the conveying assembly, a turnover assembly is also arranged on the bottom plate, a main motor is also arranged on the bottom plate, an output shaft of the main motor is connected with one end of a main driving worm, and the other end of the main driving worm is rotatably arranged on the bottom plate; the overturning assembly comprises an overturning slide seat arranged on the bottom plate, a translation power cylinder is arranged in the overturning slide seat, the output end of the translation power cylinder is connected with a translation sliding block, the translation sliding block is arranged in the overturning slide seat in a sliding manner, an overturning driving assembly is arranged on the translation sliding block and connected with an overturning supporting assembly, the overturning supporting assembly is arranged on the bottom plate in a sliding manner, and a clamping assembly is connected to the overturning supporting assembly; the overturning driving assembly comprises an overturning power cylinder arranged on the side edge of the translation sliding block, the output end of the overturning power cylinder is connected with an overturning worm wheel through an overturning connecting ring, the overturning worm wheel is arranged on the rotating seat in a sliding manner, the rotating seat is arranged on the translation sliding block in a rotating manner, an overturning toothed ring and a connecting shaft are arranged on the upper side of the rotating seat, a lifting driving rotating block is arranged at the top end of the connecting shaft, the overturning toothed ring and the lifting driving rotating block are matched with the overturning supporting assembly, a convex block is arranged on the lifting driving rotating block, and the convex block on the lifting driving rotating block is arranged in a two-step manner; upset supporting component is including sliding the upset support that sets up on the bottom plate, be provided with the back shaft on the upset support, it is provided with the switching piece to rotate on the back shaft, the switching piece passes through torsional spring and upset leg joint, the switching piece constitutes to rotate with the lifting pole simultaneously and is connected, the lifting pole is perpendicular with the back shaft direction, lifting pole one end is got the subassembly with pressing from both sides and is connected, be provided with lifting contact piece and upset gear on the lifting pole other end, the lifting contact piece cooperates with the lug contact of lifting drive switching piece, the cooperation of upset gear and upset ring gear.
Further, press from both sides and get the subassembly including setting up and press from both sides the support of getting at the tip of lifting rod, press from both sides and get the support internal rotation and be provided with to press from both sides and get the lead screw, press from both sides and get lead screw both ends and be provided with to revolve to opposite screw thread, press from both sides and get lead screw one end and press from both sides the output shaft of getting the motor, press from both sides and get the motor and fix and set up on pressing from both sides the support, press from both sides the screw thread of getting the lead screw both sides and press from both sides the connecting rod with one respectively and constitute screw-thread fit, press from both sides the one end of getting the connecting rod and all slide and set up on pressing from both sides the support, press from both sides and get the other end of connecting rod and all be provided with a splint.
Furthermore, the one end of conveying component output is connected with a play board, and a play board passes through the rotation of angle control axle and sets up on the bottom plate, and the slip is provided with the angle control gear on the angle control axle, and the angle control gear sets up simultaneously on the output of angle control jar, and the angle control jar sets up on the bottom plate, angle control gear and main drive worm cooperation.
Further, conveying component includes the driving belt that one end is connected with the main drive worm wherein, the driving belt other end is connected with the conveyer belt worm, the conveyer belt worm rotates and sets up on the bottom plate, conveyer belt worm and the cooperation of conveyer belt worm wheel, the conveyer belt worm wheel sets up in the conveyer belt drive shaft, the conveyer belt drive shaft rotates and sets up on the bottom plate and is connected with main conveyer belt, main conveyer belt sets up on the bottom plate, main conveyer belt upside is provided with width adjusting part, width adjusting part is connected with unilateral conveyer belt, unilateral conveyer belt passes through reset spring and slides and set up in the conveyer belt slide, the conveyer belt slide sets up on the bottom plate, the unilateral conveyer belt other end and the output shaft of conveyer belt motor, the conveyer belt motor is fixed to be set up on the motor connecting block, the motor connecting block slides and sets up on the connecting block slide bar, the connecting block slide bar sets up on the bottom plate.
Further, width adjusting part is provided with the connecting plate including setting up the width control area at main conveyer belt upside on the width control area, and connecting plate one end is connected the width control area with adjust the slider, and adjust the slider and pass through adjusting spring slip setting in the regulation area slide, and the regulation area slide sets up on the bottom plate, and the connecting plate other end rotates with adjusting connecting rod to be connected, and adjusting connecting rod slides and sets up on adjusting the support, and adjusting the support is fixed to be set up on the bottom plate, and adjusting connecting rod is connected with unilateral conveyer belt one end.
Furthermore, unilateral conveyer belt, conveyer belt slide, reset spring, conveyer belt motor, motor connecting block all are provided with two, and set up about the bottom plate symmetry, and the relation of connection between the same part is the same, width adjusting part also symmetry is provided with two sets ofly, and is connected with a unilateral conveyer belt respectively.
Furthermore, the detection assembly comprises a detection support arranged on the bottom plate, a gear transmission assembly and a detection driving assembly are arranged on the detection support, the output end of the gear transmission assembly is connected with the detection driving assembly, an optical detector is arranged on the detection driving assembly, and the input end of the gear transmission assembly is connected with the main driving worm.
Further, the gear transmission assembly comprises a first transmission bevel gear arranged on the main driving worm, the first transmission bevel gear is matched with a second transmission bevel gear, the second transmission bevel gear is arranged at the lower end of the second transmission shaft, the second transmission shaft is rotatably arranged on the bottom plate and the detection support, the second transmission shaft can stretch out and retract, the upper end of the second transmission shaft is provided with a fourth transmission bevel gear, the fourth transmission bevel gear is matched with the circuit board, a third transmission bevel gear is arranged at one end of the first transmission shaft, the first transmission shaft is rotatably arranged on the detection support, a third lead screw driving gear is arranged at the other end of the third transmission bevel gear, the third lead screw driving gear is simultaneously rotatably arranged on the detection mounting plate, the third lead screw driving gear is matched with the second lead screw driving gear, the second lead screw driving gear is matched with the first lead screw driving gear, and the first lead screw driving gear and the second lead screw driving gear are both rotatably arranged on the detection support.
Further, the detection driving assembly comprises a height adjusting motor arranged on the detection support, an output shaft of the height adjusting motor is connected with one end of a height adjusting screw rod, the other end of the height adjusting screw rod is rotatably arranged on the detection support, the height adjusting screw rod is matched with a threaded hole on the detection mounting plate, the detection mounting plate is simultaneously and slidably arranged on the detection support, a one-way screw rod I and a one-way screw rod II are rotatably arranged on the detection mounting plate, one end of the one-way screw rod I is connected with a screw rod driving gear I, one end of the one-way screw rod II is connected with a screw rod driving gear II, the other ends of the one-way screw rod I and the one-way screw rod II are both rotatably arranged on the detection mounting plate, the one-way screw rod I and the one-way screw rod II are both matched with a thread driving block, exposed half threads are respectively arranged on the front side and the back side of the thread driving block, one side of the exposed half threads are matched with the one-way screw rod I, the exposed half thread on the other side is matched with the one-way screw rod II, the two ends of the thread driving block are provided with transposition assemblies, the two groups of transposition assemblies are connected through a force accumulation contact rod, the force accumulation contact rod penetrates through a swinging groove on the detection connecting seat, the detection connecting seat is slidably mounted on the detection mounting plate, and the lower side of the detection connecting seat is connected with the optical detector.
The transposition assembly comprises a transposition trigger block which is arranged at the end part of the thread driving block and is in contact fit with a transposition inclined block I or a transposition inclined block II, the transposition inclined block I and the transposition inclined block II are symmetrically and slidably arranged on the detection mounting plate, the transposition inclined block I and the transposition inclined block II are also respectively connected with two motor connecting blocks, the end part of the thread driving block is connected with one end of a transposition connecting rod I, the other end of the transposition connecting rod I is rotatably arranged on the detection connecting seat, one end of the transposition connecting rod I, which is rotatably connected with the detection connecting seat, is also rotatably connected with one end of a transposition connecting rod II, the other end of the transposition connecting rod II is connected with a force storage contact rod, the force storage contact rod is connected with the thread driving block through a force storage spring, the end part of the force storage contact rod is in contact fit with the transposition inclined block I or the transposition inclined block II, and the distance from the end part of the force storage contact rod to the transposition inclined block I or the transposition inclined block II is smaller than the distance from the transposition trigger block I or the transposition inclined block.
Compared with the prior art, the invention has the beneficial effects that: (1) the conveying assembly can automatically adapt to the size of the conveyed circuit board through the width adjusting assembly, and can clamp the circuit board in the conveying process, so that the conveying stability is improved; (2) the overturning assembly provided by the invention can effectively solve the problem that the circuit board with circuits on both sides cannot be detected in the prior art so as to solve the problem of low detection efficiency in the prior art; (3) the detection assembly provided by the invention can control the detection distance and position, and can automatically adjust the sliding distance according to the distance between the single-side conveying belts.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of the overall structure of the present invention.
Fig. 3 is an enlarged schematic view of the structure at a in fig. 2.
Fig. 4 is an enlarged schematic view of the structure at B in fig. 2.
FIG. 5 is a schematic top view of the present invention.
Fig. 6 is an enlarged view of the structure at C in fig. 5.
Fig. 7 is a third schematic view of the overall structure of the present invention.
Fig. 8 is an enlarged view of the structure at D in fig. 7.
Fig. 9 is a schematic diagram of the overall structure of the present invention.
Fig. 10 is an enlarged view of the structure at E in fig. 9.
Fig. 11 is an enlarged view of the structure at F in fig. 9.
Fig. 12 is a fifth overall structural diagram of the present invention.
Fig. 13 is an enlarged view of the structure at G in fig. 12.
Fig. 14 is a sixth schematic view of the overall structure of the present invention.
Fig. 15 is a seventh overall structure diagram of the present invention.
Fig. 16 is an enlarged view of the structure at H in fig. 15.
Fig. 17 is an overall structural diagram eight of the present invention.
Fig. 18 is an enlarged view of the structure at I in fig. 17.
Fig. 19 is a schematic diagram of the overall structure of the present invention.
Fig. 20 is an enlarged view of the structure at J in fig. 19.
Reference numbers: 1-a bottom plate; 2-a conveying assembly; 3-a detection component; 4-a turnover assembly; 5-a circuit board; 6-a main motor; 7-a main drive worm; 8-angle control cylinder; 9-angle control gear; 10-angle control shaft; 11-a transmission bevel gear I; 12-a second drive bevel gear; 13-a workpiece discharging plate; 14-a drive belt; 15-conveyer belt worm; 16-belt worm gear; 17-conveyor belt drive shaft; 18-a main conveyor belt; 19-width adjustment belt; 20-a connecting plate; 21-adjusting the belt slide; 22-an adjustment spring; 23-adjusting the slide block; 24-adjusting the stent; 25-adjusting the connecting rod; 26-single-side conveyer belt; 27-a conveyor slide; 28-a return spring; 29-conveyer belt motor; 30-motor connecting block; 31-connecting block sliding rod; 32-a detection scaffold; 33-height adjusting lead screw; 34-a height adjustment motor; 35-detecting the mounting plate; 36-a one-way screw I; 37-a one-way screw II; 38-a threaded drive block; 39-detecting the connecting seat; 40-an optical detector; 41-transposition sloping block I; 42-transposition inclined block II; 43-transposition trigger block; 44-transposition connecting rod I; 45-transposition connecting rod II; 46-power storage feeler levers; 47-power spring; 48-screw drive gear one; 49-a screw rod driving gear II; 50-lead screw driving gear III; 51-a first transmission shaft; 52-transmission bevel gear III; 53-drive bevel gear four; 54-a second transmission shaft; 55-a turning slide; 56-translation power cylinder; 57-a translation slide; 58-jacking power cylinder; 59-jacking connecting rings; 60-jacking a worm gear; 61-transposition; 62-overturning a toothed ring; 63-a connecting shaft; 64-lifting the driving rotating block; 65-lifting the contact block; 66-a tumble gear; 67-lifting rod; 68-a transfer block; 69-supporting the shaft; 70-torsion spring; 71-turning over the bracket; 72-gripping holder; 73-clamping a lead screw; 74-a gripper motor; 75-gripping connecting rods; 76-clamping plate.
Detailed Description
In the following description of the present invention, it is to be noted that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being 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.
In the following description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; the connection may be direct or indirect via an intermediate medium, and the connection may be internal to the two components. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The invention will be further described with reference to the drawings and illustrative embodiments, which are provided herein to illustrate and not to limit the invention. In addition, if a detailed description of the known art is not necessary to show the features of the present invention, it is omitted.
Example (b): referring to fig. 1-20, a circuit board surface defect detecting apparatus is shown, wherein a bottom plate 1 is provided with a conveying assembly 2 for conveying a circuit board 5, the bottom plate 1 is further provided with a detecting assembly 3 and an overturning assembly 4, the detecting assembly 3 is arranged on the upper side of the conveying assembly 2, the bottom plate 1 is further fixedly provided with a main motor 6, an output shaft of the main motor 6 is fixedly connected with one end of a main driving worm 7, the other end of the main driving worm 7 is rotatably arranged on the bottom plate 1, one end of an output of the conveying assembly 2 is connected with a workpiece discharging plate 13, the workpiece discharging plate 13 is rotatably arranged on the bottom plate 1 through an angle control shaft 10, the angle control shaft 10 is provided with an angle control gear 9 in a sliding manner, the angle control gear 9 is simultaneously and fixedly arranged on an output end of an angle control cylinder 8, the angle control cylinder 8 is fixedly arranged on the bottom plate 1, and the angle control gear 9 and the main driving worm 7 form a worm gear fit.
Referring to fig. 1 and fig. 4-fig. 8, the conveying assembly 2 includes a transmission belt 14, a conveying belt worm 15, a conveying belt worm wheel 16, a conveying belt driving shaft 17, a main conveying belt 18, a width adjusting belt 19, a connecting plate 20, an adjusting belt slide carriage 21, an adjusting spring 22, an adjusting slide block 23, an adjusting bracket 24, an adjusting connecting rod 25, a single-side conveying belt 26, a conveying belt slide carriage 27, a return spring 28, a conveying belt motor 29, a motor connecting block 30, and a connecting block slide rod 31, wherein one end of the transmission belt 14 is connected with one end of the main driving worm 7, the other end of the transmission belt 14 is connected with the conveying belt worm 15, the conveying belt worm 15 is rotatably disposed on a bottom plate 1, the conveying belt worm 15 and the conveying belt worm wheel 16 form a worm wheel-worm cooperation, the conveying belt worm wheel 16 is fixedly disposed on the conveying belt driving shaft 17, the conveying belt driving shaft 17 is rotatably disposed on the bottom plate 1 and connected with the main conveying belt 18, main conveyer belt 18 sets up on bottom plate 1, main conveyer belt 18 upside is provided with width adjusting part, width adjusting part is connected with unilateral conveyer belt 26, the lower part of unilateral conveyer belt 26 is provided with a plurality of support bars, interval certain distance still is provided with a plurality of push pedals on the unilateral conveyer belt 26, push pedal spaced distance is greater than the width of circuit board 5, unilateral conveyer belt 26 slides through reset spring 28 and sets up in conveyer belt slide 27, conveyer belt slide 27 is fixed to be set up on bottom plate 1, the unilateral conveyer belt 26 other end and conveyer belt motor 29's output shaft, conveyer belt motor 29 is fixed to be set up on motor connecting block 30, motor connecting block 30 slides and sets up on connecting block slide bar 31, connecting block slide bar 31 is fixed to be set up on bottom plate 1.
The width adjusting assembly in this embodiment includes width adjusting belt 19 in conveyor assembly 2, connecting plate 20, adjusting belt slide 21, adjusting spring 22, adjusting slider 23, adjusting support 24, adjusting connecting rod 25, unilateral conveyer belt 26, wherein width adjusting belt 19 sets up the upside at main conveyer belt 18, be provided with connecting plate 20 on the width adjusting belt 19, connecting plate 20 one end is connected width adjusting belt 19 and adjusting slider 23, adjusting slider 23 slides through adjusting spring 22 and sets up in adjusting belt slide 21, adjusting belt slide 21 is fixed to be set up on bottom plate 1, the connecting plate 20 other end rotates with adjusting connecting rod 25 and is connected, adjusting connecting rod 25 slides and sets up on adjusting support 24, adjusting support 24 is fixed to be set up on bottom plate 1, adjusting connecting rod 25 is connected with unilateral conveyer belt 26 one end simultaneously.
In this embodiment, two single-side conveyor belts 26, two conveyor belt sliders 27, two return springs 28, two conveyor belt motors 29, and two motor connecting blocks 30 are disposed, the same parts are connected in the same relationship, and are symmetrically disposed about the bottom plate 1, and two sets of width adjusting assemblies are also symmetrically disposed and are respectively connected to one single-side conveyor belt 26.
Referring to fig. 1, fig. 3 and fig. 9-fig. 13, the detecting assembly 3 includes a first transmission bevel gear 11, a second transmission bevel gear 12, a detecting bracket 32, a height adjusting screw 33, a height adjusting motor 34, a detecting mounting plate 35, a first unidirectional screw 36, a second unidirectional screw 37, a thread driving block 38, a detecting connecting seat 39, an optical detector 40, a first transposition inclined block 41, a second transposition inclined block 42, a transposition trigger block 43, a first transposition connecting rod 44, a second transposition connecting rod 45, a force accumulation touch rod 46, a force accumulation spring 47, a first screw driving gear 48, a second screw driving gear 49, a third screw driving gear 50, a first transmission shaft 51, a third transmission bevel gear 52, a fourth transmission bevel gear 53 and a second transmission shaft 54, wherein the detecting bracket 32 is fixedly arranged on the bottom plate 1, the detecting bracket 32 is provided with a gear transmission assembly and a detecting driving assembly, an output end of the gear transmission assembly is connected with the detecting driving assembly, an optical detector 40 is arranged on the detection driving assembly, and the input end of the gear transmission assembly is connected with the main driving worm 7.
The gear transmission assembly in the embodiment comprises a first transmission bevel gear 11, a second transmission bevel gear 12, a first lead screw drive gear 48, a second lead screw drive gear 49, a third lead screw drive gear 50, a first transmission shaft 51, a third transmission bevel gear 52, a fourth transmission bevel gear 53 and a second transmission shaft 54 in the detection assembly 3, wherein the first transmission bevel gear 11 is fixedly arranged on the main drive worm 7, the first transmission bevel gear 11 and the second transmission bevel gear 12 form gear fit, the second transmission bevel gear 12 is fixedly arranged at the lower end of the second transmission shaft 54, the second transmission shaft 54 is vertically and rotatably arranged on the bottom plate 1 and the detection bracket 32, the second transmission shaft 54 is telescopic, the fourth transmission bevel gear 53 is fixedly arranged at the upper end of the second transmission shaft 54, the fourth transmission bevel gear 53 and the third transmission bevel gear 52 form gear fit, the third transmission bevel gear 52 is fixedly arranged at one end of the first transmission shaft 51, the first transmission shaft 51 is rotatably arranged on the detection bracket 32, the other end of the third transmission bevel gear 52 is fixedly provided with a third screw driving gear 50, the third screw driving gear 50 is simultaneously and rotatably arranged on the detection mounting plate 35, the third screw driving gear 50 and a second screw driving gear 49 form gear fit, the second screw driving gear 49 and a first screw driving gear 48 form gear fit, and the first screw driving gear 48 and the second screw driving gear 49 are both rotatably arranged on the detection support 32.
The detection driving assembly in the embodiment comprises a height adjusting screw 33, a height adjusting motor 34, a detection mounting plate 35, a one-way screw 36, a one-way screw 37, a thread driving block 38, a detection connecting seat 39, a transposition inclined block 41, a transposition inclined block 42, a transposition triggering block 43, a transposition connecting rod 44, a transposition connecting rod 45, a force accumulation contact rod 46 and a force accumulation spring 47 in the detection assembly 3, wherein the height adjusting motor 34 is fixedly arranged on the detection support 32, an output shaft of the height adjusting motor 34 is fixedly connected with one end of the height adjusting screw 33, the other end of the height adjusting screw 33 is rotatably arranged on the detection support 32, the height adjusting screw 33 and a threaded hole on the detection mounting plate 35 form threaded fit, the detection mounting plate 35 is simultaneously slidably arranged on the detection support 32, the detection mounting plate 35 is rotatably provided with the one-way screw 36 and the one-way screw 37, one end of a one-way screw rod I36 is fixedly connected with a screw rod driving gear I48, one end of a one-way screw rod II 37 is fixedly connected with a screw rod driving gear II 49, the other ends of the one-way screw rod I36 and the one-way screw rod II 37 are rotatably arranged on the detection mounting plate 35, the one-way screw rod I36 and the one-way screw rod II 37 are matched with the thread driving block 38, exposed half threads are arranged on the front side and the rear side of the thread driving block 38, the exposed half threads on one side are in thread matching with the one-way screw rod I36, the exposed half threads on the other side are in thread matching with the one-way screw rod II 37, transposition assemblies are arranged at two ends of the thread driving block 38 and are connected through a force accumulation contact rod 46, the force accumulation contact rod 46 penetrates through a swing groove in the detection connecting seat 39, the detection connecting seat 39 is slidably mounted on the detection mounting plate 35, and the lower side of the detection connecting seat 39 is fixedly connected with the optical detector 40.
The transposition assembly in the embodiment comprises a first transposition inclined block 41, a second transposition inclined block 42, a transposition triggering block 43, a first transposition connecting rod 44, a second transposition connecting rod 45 and a force accumulation spring 47 in the detection assembly 3, wherein the transposition triggering block 43 is fixedly arranged at the end part of the screw driving block 38 and is in contact fit with the first transposition inclined block 41 or the second transposition inclined block 42, the first transposition inclined block 41 and the second transposition inclined block 42 are symmetrically and slidably arranged on the detection mounting plate 35, the first transposition inclined block 41 and the second transposition inclined block 42 are respectively and fixedly connected with two motor connecting blocks 30, one end of the first transposition connecting rod 44 is fixedly connected to the lower side of the end part of the screw driving block 38, the other end of the first transposition connecting rod 44 is rotatably arranged on the detection connecting seat 39, one end of the first transposition connecting rod 44 and the detection connecting seat 39 are rotatably connected with one end of the second transposition connecting rod 45, the other end of the second transposition connecting rod 45 is connected with the force accumulation contact rod 46, the force accumulation feeler lever 46 is connected with the thread driving block 38 through a force accumulation spring 47, the end part of the force accumulation feeler lever 46 is in contact fit with the first transposition inclined block 41 or the second transposition inclined block 42, and the distance from the end part of the force accumulation feeler lever 46 to the first transposition inclined block 41 or the second transposition inclined block 42 is smaller than the distance from the transposition triggering block 43 to the first transposition inclined block 41 or the second transposition inclined block 42.
Referring to fig. 1 and 14-20, the turnover assembly 4 includes a turnover slide 55, a translational power cylinder 56, a translational slide 57, a jacking power cylinder 58, a jacking connection ring 59, a jacking worm wheel 60, a rotary seat 61, a turnover toothed ring 62, a connection shaft 63, a lifting driving rotary block 64, a lifting contact block 65, a turnover gear 66, a lifting rod 67, a connection block 68, a support shaft 69, a torsion spring 70, a turnover support 71, a clamping support 72, a clamping lead screw 73, a clamping motor 74, a clamping connection rod 75, and a clamping plate 76, wherein the turnover slide 55 is fixedly disposed on the base plate 1, the translational power cylinder 56 is fixedly disposed in the turnover slide 55, an output end of the translational power cylinder 56 is fixedly connected with the translational slide 57, the translational slide 57 is slidably disposed in the turnover slide 55, a turnover driving assembly is disposed on the translational slide 57, and the turnover driving assembly is connected with the turnover support assembly, the upset supporting component slides and sets up on bottom plate 1, is connected with on the upset supporting component to press from both sides and gets the subassembly, presss from both sides the subassembly and cooperates with circuit board 5.
The turnover driving assembly in this embodiment includes a jacking cylinder 58, a jacking connection ring 59, a jacking worm wheel 60, a rotary seat 61, a turnover toothed ring 62, a connection shaft 63, and a lifting driving rotating block 64 in the turnover assembly 4, wherein the jacking cylinder 58 is fixedly disposed at a side of the translation slider 57, an output end of the jacking cylinder 58 is fixedly connected with the jacking connection ring 59, the jacking cylinder 58 is simultaneously slidably disposed in the turnover slider 55, the jacking connection ring 59 is in contact fit with a bottom surface of the jacking worm wheel 60, the jacking worm wheel 60 is slidably disposed on the rotary seat 61, the jacking worm wheel 60 cannot rotate relative to the rotary seat 61, the rotary seat 61 is rotatably disposed on the translation slider 57, the turnover toothed ring 62 is fixedly disposed at an upper side of the rotary seat 61, the connection shaft 63 is coaxially and fixedly disposed at an upper side of the rotary seat 61, the lifting driving rotating block 64 is fixedly disposed at a top end of the connection shaft 63, the turnover toothed ring 62 and the lifting driving rotating block 64 are matched with the turnover supporting assembly, the lifting driving rotating block 64 is provided with a convex block, and the convex block on the lifting driving rotating block 64 is arranged in two steps.
The turning support assembly in this embodiment includes a lifting contact block 65, a turning gear 66, a lifting rod 67, an adapting block 68, a support shaft 69, a torsion spring 70 and a turning bracket 71 in the turning assembly 4, wherein the turning bracket 71 is arranged on the bottom plate 1 in a sliding manner, a supporting shaft 69 is fixedly arranged on the turning bracket 71, a transfer block 68 is arranged on the supporting shaft 69 in a rotating manner, the transfer block 68 is connected with the turning bracket 71 through a torsion spring 70, the transfer block 68 is simultaneously in rotating connection with the lifting rod 67, the lifting rod 67 is vertical to the supporting shaft 69, one end of the lifting rod 67 is connected with the clamping component, the other end of the lifting rod 67 is fixedly provided with a lifting contact block 65, a turnover gear 66 is fixedly arranged on one side of the lifting rod 67 at one end of the lifting contact block 65, the lifting contact block 65 is in contact fit with a projection of the lifting driving rotating block 64, and the turnover gear 66 is matched with the turnover toothed ring 62.
The clamping assembly in this embodiment includes the clamping support 72 in the turning assembly 4, the clamping screw 73, the clamping motor 74, the clamping connecting rod 75, and the clamping plate 76, wherein the clamping support 72 is fixedly disposed at the end of the lifting rod 67, the clamping support 72 is rotatably disposed with the clamping screw 73, both ends of the clamping screw 73 are both provided with threads, and the thread turning directions at both ends are opposite, one end of the clamping screw 73 is fixedly connected with the output shaft of the clamping motor 74, the clamping motor 74 is fixedly disposed on the clamping support 72, the threads on both sides of the clamping screw 73 are respectively in thread fit with one clamping connecting rod 75, one end of each of the two clamping connecting rods 75 is slidably disposed on the clamping support 72, and the other end of each of the two clamping connecting rods 75 is provided with one clamping plate 76.
In the implementation of this embodiment, first, the main motor 6 is started, the main motor 6 drives the main driving worm 7 to rotate, the main driving worm 7 drives the transmission bevel gear 11 thereon to rotate and the transmission belt 14 at the end to move, the transmission belt 14 drives the transmission belt worm wheel 16 to rotate through the transmission belt worm 15, the transmission belt worm wheel 16 drives the main transmission belt 18 to operate through the transmission belt driving shaft 17, at this time, the circuit board 5 to be detected will be transmitted on the main transmission belt 18, because the width adjusting belts 19 on both sides of the main transmission belt 18 are initially arranged in a "eight" shape, the circuit board 5 moves from the wider side of the "eight" shape to the narrower side when moving on the main transmission belt 18, the circuit board 5 will finally contact with the width adjusting belts 19 on both sides, when the circuit board 5 contacts with the width adjusting belts 19 on both sides, the narrower portion between the two width adjusting belts 19 will be expanded through the connecting plate 20, at this moment, 20 one end of connecting plate drives regulating slide block 23 motion compression regulating spring 22, 20 other ends of connecting plate drive regulating connecting rod 25 and slide on adjusting support 24, distance between two unilateral conveyer belts 26 is adjusted with this, make the unilateral conveyer belt 26 of 5 both sides of circuit board can laminate both sides, when circuit board 5 moves to unilateral conveyer belt 26 from main conveyer belt 18, support by the support bar of unilateral conveyer belt 26 bottom, the push pedal on the unilateral conveyer belt 26 can assist circuit board 5 to advance, unilateral conveyer belt 26 is driven by conveyer belt motor 29.
The first transmission bevel gear 11 rotates to drive the second transmission bevel gear 12 to rotate, the second transmission bevel gear 12 drives the fourth transmission bevel gear 53 to rotate through the second transmission shaft 54, the fourth transmission bevel gear 53 drives the third transmission bevel gear 52, the first transmission shaft 51 and the third lead screw drive gear 50 in sequence, and finally drives the first lead screw drive gear 48 and the second lead screw drive gear 49 to rotate, the first lead screw drive gear 48 and the second lead screw drive gear 49 respectively drive the first unidirectional lead screw 36 and the second unidirectional lead screw 37 to rotate, the first unidirectional lead screw 36 and the second unidirectional lead screw 37 rotate in opposite directions due to the matching of the first lead screw drive gear 48 and the second lead screw drive gear 49, the thread drive block 38 can only be matched with one of the first unidirectional lead screw 36 and the second unidirectional lead screw 37, and if the initial thread drive block 38 is matched with the second unidirectional lead screw 37, and the one-way screw rod II 37 drives the screw driving block 38 to move towards the direction of the transposition inclined block II 42, when the screw driving block moves to the position of the transposition inclined block II 42, the end part of the force accumulation contact rod 46 firstly touches the transposition inclined block II 42, the inclined surface of the transposition inclined block II 42 can enable the force accumulation contact rod 46 to swing towards the other side contacted with the transposition inclined block II 42 through the transposition connecting rod II 45, at the moment, the force accumulation spring 47 is stretched, but the transposition triggering block 43 is still matched with the one-way screw rod II 37, when the screw driving block 38 continues to move, the transposition triggering block 43 can touch the transposition inclined block II 42, at the moment, due to the action of the inclined surface, the transposition triggering block 43 drives the screw driving gear I48 to swing towards one side of the one-way screw rod I36 through the transposition connecting rod I44, and due to the action of the force accumulation spring 47, the screw driving block 38 can be pulled to be matched with the one-way screw rod I36, so that the screw driving block 38 can drive the optical detector 40 to reciprocate through the detection connecting seat 39, when the screw driving block 38 moves towards the first transposition inclined block 41, the height adjusting motor 34 can drive the height adjusting screw 33 to drive the detecting mounting plate 35 to lift so as to adjust the height of the optical detector 40.
When one side of the circuit board 5 is detected, the circuit on the other side of the circuit board 5 needs to be detected, at this time, the lifting contact block 65 is matched with the first step of the bump on the lifting driving rotating block 64, the bump on the lifting driving rotating block 64 is pressed to lift the lifting contact block 65, so that the lifting contact block 65 drives the lifting rod 67 to rotate around the supporting shaft 69 through the transfer block 68, when the lifting contact block 65 is matched with the bump in the first step, the overturning gear 66 on the lifting rod 67 cannot contact the overturning toothed ring 62, and the clamping component on the other side of the lifting rod 67 is in a tilting state, when the circuit board 5 needs to be overturned, the lifting power cylinder 58 is driven to make the lifting connection ring 59 drive the lifting worm wheel 60 to ascend, the lifting worm wheel 60 is matched with the main driving worm 7 after ascending, at this time, the lifting worm wheel 60 starts to drive the rotation base 61 to rotate, the rotation base 61 drives the lifting driving rotating block 64 to rotate through the connection shaft 63, the bumps on the lifting driving rotating block 64 are displaced to disconnect the lifting contact block 65 from the bumps, at this time, the lifting rod 67 is reset due to the action of the torsion spring 70, the clamping assembly falls, at this time, the clamping motor 74 drives the clamping lead screw 73 to rotate, the clamping lead screw 73 drives the two clamping connecting rods 75 to approach through threaded fit, the clamping plates 76 on the clamping connecting rods 75 clamp the circuit board 5, at this time, the lifting driving rotating block 64 continues to rotate, the bumps on the lifting driving rotating block 64 are matched with the lifting contact block 65 again, the bumps on the lifting driving rotating block 64 are firstly matched with the lifting contact block 65 to lift the lifting rod 67, then the second step is matched with the lifting contact block 65, at this time, the downward pressing amplitude of the lifting contact block 65 becomes large, at this time, the overturning gear 66 is contacted with and matched with the overturning toothed ring 62, and as the overturning toothed ring 62 also rotates along with the rotating base 61, the turnover gear ring 62 can drive the turnover gear 66 to rotate, the turnover gear 66 drives the lifting rod 67 to rotate, the other side of the circuit board 5 on the component is clamped to be turned over by 180 degrees, after the turnover is completed, the jacking power cylinder 58 retracts at the moment, the jacking worm wheel 60 is disconnected with the main driving worm 7, the lifting contact block 65 and the lug are maintained in a second-order matched state, the translation power cylinder 56 is driven at the moment, the translation power cylinder 56 can drive the turnover component to translate through the translation sliding block 57, so that the clamped circuit board 5 is sent back to the position before detection, the jacking worm wheel 60 is matched with the main driving worm 7 at the moment, the lifting driving rotating block 64 rotates to put down the circuit board 5, the circuit board 5 passes through the optical detector 40 on one side again, and the detection of a two-sided circuit can be completed.
On circuit board 5 after detecting was sent out a board 13, can select drive angle control jar 8 this moment, angle control jar 8 drive angle control gear 9 stretch out with the cooperation of main drive worm 7, angle control gear 9 rotates to drive angle control axle 10 and rotate, angle control axle 10 will drive out a board 13 and rotate, with the angle of adjusting the unloading, this effect can distribute the circuit board 5 of different testing results to different places.
It should be understood that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same, and those skilled in the art can modify the technical solutions described in the above embodiments, or make equivalent substitutions for some technical features; and all such modifications and alterations are intended to fall within the scope of the appended claims.
Claims (10)
1. The utility model provides a circuit board surface defect check out test set, includes bottom plate (1), be provided with conveying assembly (2) and determine module (3) on bottom plate (1), determine module (3) set up in conveying assembly (2) upside, its characterized in that: the turnover mechanism is characterized in that a turnover component (4) is further arranged on the bottom plate (1), a main motor (6) is further arranged on the bottom plate (1), an output shaft of the main motor (6) is connected with one end of a main driving worm (7), and the other end of the main driving worm (7) is rotatably arranged on the bottom plate (1);
the overturning assembly (4) comprises an overturning slide seat (55) arranged on the bottom plate (1), a translation power cylinder (56) is arranged in the overturning slide seat (55), the output end of the translation power cylinder (56) is connected with a translation sliding block (57), the translation sliding block (57) is arranged in the overturning slide seat (55) in a sliding manner, an overturning driving assembly is arranged on the translation sliding block (57), the overturning driving assembly is connected with an overturning supporting assembly, the overturning supporting assembly is arranged on the bottom plate (1) in a sliding manner, and a clamping assembly is connected to the overturning supporting assembly;
the overturning driving assembly comprises a jacking power cylinder (58) arranged on the side edge of the translation sliding block (57), the output end of the jacking power cylinder (58) is connected with a jacking worm wheel (60) through a jacking connecting ring (59), the jacking worm wheel (60) is arranged on a rotary seat (61) in a sliding manner, the rotary seat (61) is arranged on the translation sliding block (57) in a rotating manner, an overturning toothed ring (62) and a connecting shaft (63) are arranged on the upper side of the rotary seat (61), a lifting driving rotating block (64) is arranged at the top end of the connecting shaft (63), the overturning toothed ring (62) and the lifting driving rotating block (64) are matched with the overturning supporting assembly, a convex block is arranged on the lifting driving rotating block (64), and the convex block on the lifting driving rotating block (64) is arranged in two steps;
the overturning support component comprises an overturning support (71) which is arranged on the bottom plate (1) in a sliding mode, a support shaft (69) is arranged on the overturning support (71), a transfer block (68) is arranged on the support shaft (69) in a rotating mode, the transfer block (68) is connected with the overturning support (71) through a torsion spring (70), the transfer block (68) and a lifting rod (67) form rotating connection at the same time, the lifting rod (67) is perpendicular to the support shaft (69), one end of the lifting rod (67) is connected with the clamping component, a lifting contact block (65) and an overturning gear (66) are arranged at the other end of the lifting rod (67), the lifting contact block (65) is in contact fit with a protruding block of a lifting driving rotation block (64), and the overturning gear (66) is matched with an overturning toothed ring (62).
2. The apparatus for detecting surface defects of a circuit board according to claim 1, wherein: the clamping assembly comprises a clamping support (72) arranged at the end part of a lifting rod (67), a clamping screw rod (73) is rotationally arranged in the clamping support (72), threads with opposite rotation directions are arranged at two ends of the clamping screw rod (73), one end of the clamping screw rod (73) is connected with an output shaft of a clamping motor (74), the clamping motor (74) is fixedly arranged on the clamping support (72), threads on two sides of the clamping screw rod (73) are respectively in threaded fit with a clamping connecting rod (75), one ends of the two clamping connecting rods (75) are arranged on the clamping support (72) in a sliding mode, and a clamping plate (76) is arranged at the other end of each clamping connecting rod (75).
3. The apparatus for detecting surface defects of a circuit board according to claim 1, wherein: one end of conveying component (2) output is connected with a play board (13), the play board (13) rotates through angle control axle (10) and sets up on bottom plate (1), and the slip is provided with angle control gear (9) on angle control axle (10), and angle control gear (9) set up simultaneously on the output of angle control jar (8), and angle control jar (8) set up on bottom plate (1), and angle control gear (9) and main drive worm (7) cooperation.
4. The apparatus for detecting surface defects of a circuit board according to claim 1, wherein: the conveying assembly (2) comprises a transmission belt (14) with one end connected with a main driving worm (7), the other end of the transmission belt (14) is connected with a conveying belt worm (15), the conveying belt worm (15) is rotatably arranged on a bottom plate (1), the conveying belt worm (15) is matched with a conveying belt worm wheel (16), the conveying belt worm wheel (16) is arranged on a conveying belt driving shaft (17), the conveying belt driving shaft (17) is rotatably arranged on the bottom plate (1) and connected with a main conveying belt (18), the main conveying belt (18) is arranged on the bottom plate (1), a width adjusting assembly is arranged on the upper side of the main conveying belt (18), the width adjusting assembly is connected with a single-side conveying belt (26), the single-side conveying belt (26) is slidably arranged in a conveying belt sliding seat (27) through a reset spring (28), the conveying belt sliding seat (27) is arranged on the bottom plate (1), the other end of the single-side conveying belt (26) is connected with an output shaft of a conveying belt motor (29), the conveyer belt motor (29) is fixedly arranged on the motor connecting block (30), the motor connecting block (30) is arranged on the connecting block sliding rod (31) in a sliding mode, and the connecting block sliding rod (31) is arranged on the bottom plate (1).
5. The apparatus for detecting surface defects of a circuit board according to claim 4, wherein: the width adjusting assembly comprises a width adjusting belt (19) arranged on the upper side of a main conveying belt (18), a connecting plate (20) is arranged on the width adjusting belt (19), one end of the connecting plate (20) is used for connecting the width adjusting belt (19) with an adjusting slide block (23), the adjusting slide block (23) is arranged in an adjusting belt slide seat (21) in a sliding mode through an adjusting spring (22), the adjusting belt slide seat (21) is arranged on a bottom plate (1), the other end of the connecting plate (20) is rotatably connected with an adjusting connecting rod (25), the adjusting connecting rod (25) is arranged on an adjusting support (24) in a sliding mode, the adjusting support (24) is fixedly arranged on the bottom plate (1), and the adjusting connecting rod (25) is connected with one end of a single-side conveying belt (26).
6. The apparatus for detecting surface defects of a circuit board according to claim 5, wherein: unilateral conveyer belt (26), conveyer belt slide (27), reset spring (28), conveyer belt motor (29), motor connecting block (30) all are provided with two, and set up about bottom plate (1) symmetry, and the relation of connection between the same part is the same, width adjusting part also symmetry is provided with two sets ofly, and is connected with a unilateral conveyer belt (26) respectively.
7. The apparatus for detecting surface defects of a circuit board according to claim 1, wherein: the detection assembly (3) comprises a detection support (32) arranged on the bottom plate (1), a gear transmission assembly and a detection driving assembly are arranged on the detection support (32), the output end of the gear transmission assembly is connected with the detection driving assembly, an optical detector (40) is arranged on the detection driving assembly, and the input end of the gear transmission assembly is connected with the main driving worm (7).
8. The apparatus for detecting surface defects of a circuit board according to claim 7, wherein: the gear transmission assembly comprises a first transmission bevel gear (11) arranged on a main driving worm (7), the first transmission bevel gear (11) is matched with a second transmission bevel gear (12), the second transmission bevel gear (12) is arranged at the lower end of a second transmission shaft (54), the second transmission shaft (54) is rotatably arranged on the bottom plate (1) and the detection support (32), the second transmission shaft (54) can stretch out and draw back, a fourth transmission bevel gear (53) is arranged at the upper end of the second transmission shaft (54), the fourth transmission bevel gear (53) is matched with the circuit board (5), a third transmission bevel gear (52) is arranged at one end of a first transmission shaft (51), the first transmission shaft (51) is rotatably arranged on the detection support (32), a third lead screw driving gear (50) is arranged at the other end of the third transmission bevel gear (52), the third lead screw driving gear (50) is simultaneously rotatably arranged on the detection mounting plate (35), and the third lead screw driving gear (50) is matched with the second lead screw driving gear (49), and the second lead screw driving gear (49) is matched with the first lead screw driving gear (48), and the first lead screw driving gear (48) and the second lead screw driving gear (49) are both rotationally arranged on the detection bracket (32).
9. The apparatus for detecting surface defects of a circuit board according to claim 8, wherein: the detection driving assembly comprises a height adjusting motor (34) arranged on a detection support (32), an output shaft of the height adjusting motor (34) is connected with one end of a height adjusting lead screw (33), the other end of the height adjusting lead screw (33) is rotatably arranged on the detection support (32), the height adjusting lead screw (33) is matched with a threaded hole in a detection mounting plate (35), the detection mounting plate (35) is simultaneously and slidably arranged on the detection support (32), a one-way lead screw I (36) and a one-way lead screw II (37) are rotatably arranged on the detection mounting plate (35), one end of the one-way lead screw I (36) is connected with a lead screw driving gear I (48), one end of the one-way lead screw II (37) is connected with a lead screw driving gear II (49), the other ends of the one-way lead screw I (36) and the one-way lead screw II (37) are rotatably arranged on the detection mounting plate (35), the one-way lead screw I (36) and the one-way lead screw II (37) are matched with a thread driving block (38), exposed half threads are arranged on the front side and the rear side of the thread driving block (38), the exposed half threads on one side are matched with the one-way screw rod I (36), the exposed half threads on the other side are matched with the one-way screw rod II (37), transposition assemblies are arranged at two ends of the thread driving block (38), the two groups of transposition assemblies are connected through a force storage contact rod (46), the force storage contact rod (46) penetrates through a swing groove in the detection connecting seat (39), the detection connecting seat (39) is slidably mounted on the detection mounting plate (35), and the lower side of the detection connecting seat (39) is connected with the optical detector (40).
10. The apparatus for detecting surface defects of a circuit board according to claim 9, wherein: the transposition assembly comprises a transposition trigger block (43) which is arranged at the end part of the thread driving block (38) and is in contact fit with the transposition inclined block I (41) or the transposition inclined block II (42), the transposition inclined block I (41) and the transposition inclined block II (42) are symmetrically arranged on the detection mounting plate (35) in a sliding mode, the transposition inclined block I (41) and the transposition inclined block II (42) are further respectively connected with the two motor connecting blocks (30), the end part of the thread driving block (38) is connected with one end of a transposition connecting rod I (44), the other end of the transposition connecting rod I (44) is rotatably arranged on the detection connecting seat (39), one end of the transposition connecting rod I (44) which is rotatably connected with the detection connecting seat (39) is also rotatably connected with one end of a transposition connecting rod II (45), the other end of the transposition connecting rod II (45) is connected with the force accumulation contact rod (46), and the force accumulation contact rod (46) is connected with the thread driving block (38) through a force accumulation spring (47), the end part of the power storage feeler lever (46) is in contact fit with the first transposition inclined block (41) or the second transposition inclined block (42), and the distance from the end part of the power storage feeler lever (46) to the first transposition inclined block (41) or the second transposition inclined block (42) is smaller than the distance from the transposition trigger block (43) to the first transposition inclined block (41) or the second transposition inclined block (42).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210609878.XA CN114910488B (en) | 2022-05-31 | 2022-05-31 | Circuit board surface defect detection equipment |
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| CN202210609878.XA CN114910488B (en) | 2022-05-31 | 2022-05-31 | Circuit board surface defect detection equipment |
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| CN102338751A (en) * | 2011-06-02 | 2012-02-01 | 浙江工业大学 | Equipment for detecting circuit board defects based on visual detection method |
| CN105004721A (en) * | 2014-04-24 | 2015-10-28 | 奥蒂玛光学科技（深圳）有限公司 | Circuit board double-sided detection apparatus |
| JP6535868B1 (en) * | 2018-07-02 | 2019-07-03 | 杭州力松電子科技有限公司 | Multidimensional sensor device of biometric technology |
| CN216350396U (en) * | 2021-11-09 | 2022-04-19 | 青岛倍速达自动化科技有限公司 | Barrel check out test set |
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