CN110632098A - Printed circuit board detection equipment - Google Patents
Printed circuit board detection equipment Download PDFInfo
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- CN110632098A CN110632098A CN201910939007.2A CN201910939007A CN110632098A CN 110632098 A CN110632098 A CN 110632098A CN 201910939007 A CN201910939007 A CN 201910939007A CN 110632098 A CN110632098 A CN 110632098A
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- rack
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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
- G01N21/84—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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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
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- 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)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention provides a printed circuit board detection device which comprises a rack, a conveying module, a roller module and a camera module, wherein the conveying module is arranged on the rack; the rack comprises a first rack and a second rack; the conveying module comprises a feeding mechanism and a discharging mechanism; the roller module comprises an upper roller set and a lower roller set, the lower roller set is rotatably arranged on the first rack, the upper roller set is arranged at the bottom end of the camera module, and the lower roller set drives the printed circuit board to pass through the second rack and is matched with the upper roller set to clamp and position the printed circuit board; the camera module is arranged on the second rack in a sliding mode, is located right above the lower roller set and comprises a lens group and a light source group, light beams emitted by the light source group are aligned to the printed circuit board passing through the upper roller set and the lower roller set, and the lens group images the upper surface of the printed circuit board. The modules of the invention have reasonable connection design and very convenient assembly and disassembly, and are suitable for printed circuit boards with different specifications.
Description
Technical Field
The invention relates to the technical field of printed circuit board detection, in particular to printed circuit board detection equipment.
Background
Printed circuit boards, also known as printed circuit boards, are providers of electrical connections for electronic components, and their use has significantly reduced wiring and assembly errors, increased productivity and automation, and their state of the art has been continuously developed. The detection is required after the printed circuit board is manufactured, the traditional method is a method of manual comparison detection, along with the more and more complex structure of the printed circuit board, the detection method is time-consuming and labor-consuming, and the accuracy rate is difficult to guarantee, so that the detection method gradually changes into an automatic detection method.
An existing automatic detection method is to collect a surface image of a printed circuit board and compare the surface image with standard circuit board image information, which is widely used at present, and various types of detection equipment appear. However, most of these devices have complex structures, so that the production cost of the devices is high, the devices cannot be well matched with printed circuit boards of various specifications for detection, and the applicability is not strong.
Disclosure of Invention
The invention aims to solve the problems that the existing printed circuit board detection equipment has a complex structure and high production cost and cannot be well suitable for detecting printed circuit boards of various specifications.
In order to achieve the aim, the invention provides a printed circuit board detection device which comprises a rack, a conveying module, a roller module and a camera module;
the rack comprises a first rack and a second rack, wherein the first rack is horizontally arranged, the second rack is vertically arranged, and the first rack penetrates through the second rack;
the conveying module comprises a feeding mechanism arranged at the first end of the first rack and a discharging mechanism arranged at the second end of the first rack;
the roller module comprises an upper roller set and a lower roller set, the lower roller set is rotatably arranged on the first rack and is positioned inside the second rack, the upper roller set is arranged at the bottom end of the camera module, and the lower roller set drives the printed circuit board to pass through the second rack and is matched with the upper roller set to clamp and position the printed circuit board;
the camera module is arranged on the second rack in a sliding mode, is located right above the lower roller set and comprises a lens group and a light source group, light beams emitted by the light source group are aligned to the upper roller set and a printed circuit board passing between the lower roller set, and the lens group forms images on the upper surface of the printed circuit board.
Further, the feeding mechanism comprises a feeding roller part, a first transverse limiting part and a thickness measuring part;
the feeding roller wheel part comprises a plurality of feeding roller wheels which are arranged side by side, the feeding roller wheels are all rotatably arranged at the first end of the first rack, and the end parts of the feeding roller wheels are connected through a belt and driven through a first motor;
the first transverse limiting part comprises a plurality of supporting plates which are transversely arranged and a first limiting plate which is longitudinally arranged on the same side of the supporting plates, the supporting plates are alternately arranged between two adjacent feeding rollers, each supporting plate is provided with a belt structure which transversely moves, the transverse installation position of the first limiting plate on the supporting plate can be adjusted, the inner side surface of the first limiting plate is rotatably provided with a plurality of rollers, and the rollers are arranged along the length direction of the first limiting plate;
the thickness measuring part comprises a thickness measuring beam erected on the first frame and a thickness measuring cylinder arranged in the middle of the thickness measuring beam, a thickness measuring roller is arranged at the bottom end of a telescopic rod of the thickness measuring cylinder, and a sensor is arranged in the thickness measuring cylinder.
Furthermore, the discharging mechanism comprises a discharging roller part and a second transverse limiting part;
the discharging roller part comprises a plurality of discharging rollers which are arranged side by side, the discharging rollers are all rotatably arranged at the second end of the first rack, the end parts of the discharging rollers are connected through a belt and driven by a second motor, and the discharging rollers are arranged in parallel with the upper surface of the feeding roller;
the second transverse limiting part comprises two second limiting plates longitudinally arranged at two ends of the discharging roller, a transverse sliding rail for the second limiting plates to slide and a driving structure for driving the second limiting plates to slide, the second limiting plates are provided with a plurality of protruding parts protruding upwards, each protruding part is inserted between the two discharging rollers and is higher than the upper surfaces of the discharging rollers, and a plurality of rollers are rotatably arranged on the inner sides of the protruding parts; the drive structure includes horizontal drive belt, the driving wheel and the drive of setting at the drive belt both ends the driving wheel pivoted motor, two the bottom of second limiting plate is provided with a connecting plate respectively, the connecting plate respectively with upper strata and lower floor drive belt fixed connection.
Furthermore, the second frame comprises four vertically arranged supporting columns and a main supporting plate fixedly arranged at the top ends of the supporting columns, and a driving cylinder and a plurality of linear bearings are vertically arranged in the middle of the main supporting plate;
the camera module further comprises a transverse mounting plate horizontally arranged right below the main support plate and two longitudinal mounting plates vertically arranged at two ends of the transverse mounting plate, the transverse mounting plate is fixedly arranged at the bottom end of a telescopic rod of the driving cylinder, a plurality of sliding rods are arranged on the transverse mounting plate and correspondingly sleeved in the linear bearings, a sliding block is fixedly arranged at two sides of each longitudinal mounting plate, and the sliding blocks are correspondingly sleeved on the support stand columns and can slide along the corresponding support stand columns;
the lens group comprises a plurality of camera lenses which are vertically arranged downwards, and the camera lenses are sequentially arranged on the transverse mounting plate and are arranged in a collinear manner;
the light source group comprises a plurality of lamp strip seats and patch light sources, wherein the lamp strip seats are erected between the two longitudinal mounting plates, and the patch light sources are attached to the bottom ends of the lamp strip seats.
Further, the transverse mounting plate with still vertically be provided with a plurality of spring structures between the main tributary fagging, every the both ends of spring structure respectively with the transverse mounting plate with the main tributary fagging is connected.
Furthermore, the patch lamp source is symmetrically provided with a plurality of layers which are distributed in a trapezoidal shape with a narrow top and a wide bottom, and the straight lines of the camera lens arrangement are positioned in the symmetrical plane of the patch lamp source.
Furthermore, the lower roller set comprises a plurality of lower rollers which are rotatably arranged on the second rack, the lower rollers are flush with the upper surface of the feeding roller, and the end parts on the same side of the lower rollers are connected through a belt and driven through a third motor; the upper roller set comprises a plurality of upper rollers which are rotatably arranged between the two longitudinal mounting plates, and the upper rollers are positioned below the patch lamp source.
The scheme of the invention has the following beneficial effects:
the printed circuit board detection equipment mainly comprises a rack, a conveying module, a roller module and a camera module, wherein the modules are connected and designed reasonably, the assembly and disassembly are very convenient, the maintenance, the replacement and the like of the whole equipment or an independent module are convenient, and the use cost of the equipment is low; in addition, the transverse limiting part, the thickness measuring part and other structures arranged in the invention can reliably and conveniently adjust the moving track, the pressing position and the like of the printed circuit board, so that the equipment is suitable for printed circuit boards with different specifications, and the application value is further improved.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a feed roller section of the present invention;
FIG. 3 is a schematic view of a first lateral position-limiting portion according to the present invention;
FIG. 4 is a schematic view of a thickness measuring section according to the present invention;
FIG. 5 is a schematic view of a second lateral limiting portion according to the present invention;
FIG. 6 is a schematic view of a second rack mount component of the present invention;
FIG. 7 is an enlarged view taken at A of FIG. 6;
FIG. 8 is a schematic view of a camera module according to the present invention;
FIG. 9 is a schematic diagram of the distribution of light source groups according to the present invention.
[ description of reference ]
1-a first frame; 2-a second frame; 21-supporting the upright column; 22-a main supporting plate; 23-a driving cylinder; 24-linear bearings; 3-a feeding mechanism; 31-a feed roller section; 311-feeding roller; 32-a first lateral restraining portion; 321-a support plate; 322-a first limiting plate; 323-a belt mechanism; 324-a roller; 325-mounting hole; 33-thickness measurement; 331-thickness measuring beam; 332-thickness measuring cylinder; 333-thickness measuring roller; 4-a discharging mechanism; 41-unloading roller part; 411-a discharge roller; 42-a second lateral limiting part; 421-a second limiting plate; 422-a boss; 423-driving belt; 424-connecting plate; 425-transverse slide rail; 5-a lens group; 51-a transverse mounting plate; 52-longitudinal mounting plate; 53-a slide block; 54-spring configuration; 55-camera lens; 6-light source group; 61-lamp strip seat; 62-patch light source; 7-lower roller set; 71-a lower roller; 72-a third motor; 8-an upper roller set; 81-upper roller.
Detailed Description
In order to make the technical problems, technical solutions and advantages of the present invention more apparent, the following detailed description is given with reference to the accompanying drawings and specific embodiments. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
As shown in fig. 1, an embodiment of the present invention provides a printed circuit board inspection apparatus, including a frame, a conveying module, a roller module, and a camera module; the frame mainly comprises the first frame 1 of level setting and the second frame 2 of vertical setting, and the holistic supporting structure of this equipment is constituteed in the setting of second frame 2 is passed to first frame 1.
The conveying module comprises a feeding mechanism 3 arranged at the first end of the first rack 1 and a discharging mechanism 4 arranged at the second end of the first rack 1, the feeding mechanism 3 is used for conveying the printed circuit board to be detected to the detection position of the intersection of the first rack 1 and the second rack 2, and the discharging mechanism 4 is used for moving the printed circuit board which is detected away from the equipment.
As shown in fig. 2, the feeding mechanism 3 includes a feeding roller unit 31, a first lateral stopper 32, and a thickness measurement unit 33. Meanwhile, as shown in fig. 2, the feeding roller unit 31 includes a plurality of feeding rollers 311 arranged side by side, two end portions of each feeding roller 311 are rotatably arranged on the support structures at two sides of the first rack 1, and the same end portions of two adjacent feeding rollers 311 are connected by a belt, and the first end of each feeding roller 311 is connected with the first end belt of the previous feeding roller 311, and the second end is connected with the second end belt of the next feeding roller 311.
Meanwhile, as shown in fig. 3, the first horizontal limiting portion 32 includes a plurality of supporting plates 321 arranged horizontally and a first limiting plate 322 arranged longitudinally on the same side of the supporting plates, a supporting plate 321 is arranged between every two adjacent feeding rollers 311, and a belt mechanism 323 moving horizontally is arranged on each supporting plate 321. The first limiting plates 322 are disposed on the same side of each supporting plate, and a plurality of rollers 324 are rotatably disposed on the inner sides thereof and arranged along the length direction of the first limiting plates 322. Wherein, a plurality of mounting holes 325 are provided on the upper surface of the end of the supporting plate 321, and a plurality of mounting through holes are provided on the protruding structure outside the first limiting plate 322, so that the first limiting plate 322 can be selectively mounted in the same row of mounting holes 325 of all supporting plates 321 through bolts, and further the lateral position of the first limiting plate 322 can be adjusted. Meanwhile, the upper belt of each supporting plate 321 moves along the direction of the first limiting plate 322, so that the printed circuit board moving on the feeding mechanism 3 is transversely deviated along with the belt on the upper layer of the supporting plate 321, and is gradually attached to the inner side wall of the first limiting plate 322, and the printed circuit board smoothly moves along the inner side of the first limiting plate 322 towards the feeding direction through the roller 324 on the inner side of the first limiting plate 322. Therefore, the first horizontal limiting part 32 can flexibly adjust the horizontal position of feeding the circuit board, and is suitable for printed circuit boards with different specifications.
Meanwhile, as shown in fig. 4, the thickness measuring part 33 includes a thickness measuring beam 331 erected on the first frame 1, a thickness measuring cylinder 332 is disposed in the middle of the thickness measuring beam 331, a thickness measuring roller 333 is disposed at the bottom end of the telescopic rod thereof, and a sensor is disposed in the thickness measuring cylinder 332. When the printed circuit boards with different thicknesses are conveyed by the feeding roller part 31 and pass below the thickness measuring roller 333, the thickness measuring roller 333 rolls on the upper surface of the printed circuit board, the printed circuit board gradually jacks up the thickness measuring roller 333 and the telescopic rod of the thickness measuring cylinder 332, and the displacement of the telescopic rod is measured by a sensor after the telescopic rod is in place, so that the thickness measurement of the printed circuit board is completed, and the distance between the subsequent related structures is adjusted.
Meanwhile, as shown in fig. 5, the discharging mechanism 4 includes a discharging roller part 41 and a second transverse limiting part 42, the discharging roller part 41 includes a plurality of discharging rollers 411 arranged side by side, and they are both rotatably arranged at the second end of the first frame 1, and the arrangement mode is similar to that of the feeding roller part 31, and will not be described herein again.
The second horizontal limiting part 42 comprises two second limiting plates 421 longitudinally arranged at two ends of the discharging roller 411, a horizontal sliding rail 425 and a driving part for sliding the second limiting plate 421, wherein the second limiting plate 421 is provided with a plurality of protruding parts 422 upwards in a protruding manner, each protruding part 422 is alternately inserted between the discharging roller 411 and the two discharging roller 411, the upper surface of the discharging roller 411 is higher than the upper surface of the discharging roller 411, and meanwhile, the plurality of rollers 324 are also rotatably arranged on the inner side of the protruding part 422, so that the distance between the two second limiting plates 421 is the discharging conveying width of the printed circuit board, and the distance can be adjusted by driving the second limiting plate 421 through the driving part. The drive structure mainly comprises the horizontal drive belt 423 that sets up, the driving wheel that sets up at the drive belt both ends and drive driving wheel pivoted motor, sets up a connecting plate 424 respectively in the bottom of every second limiting plate 421, two connecting plates 424 respectively with the drive belt 423 fixed connection of upper strata and lower floor, therefore motor drive driving wheel rotates, drive the drive belt 423 on upper strata and the drive belt 423 antiport on lower floor for two second limiting plate 421 antiport, adjust its interval.
Meanwhile, as shown in fig. 6-8, the second frame 2 includes four vertically arranged support columns 21 and a main support plate 22 fixedly arranged at the top ends of all the support columns 21, and a driving cylinder 23 and a plurality of linear bearings 24 are vertically arranged in the middle of the main support plate 22.
The camera module is arranged on the second frame in a sliding mode and comprises a lens group 5, a light source group 6, a transverse mounting plate 51 horizontally arranged right below the main supporting plate 22 and two longitudinal mounting plates 52 vertically arranged at two ends of the transverse mounting plate, and the transverse mounting plate 51 and the longitudinal mounting plates 52 form a supporting structure of the camera module. The transverse mounting plate 51 is fixedly arranged at the bottom end of the telescopic rod of the driving cylinder 23, a plurality of sliding rods are arranged on the transverse mounting plate 51 and correspondingly sleeved in the linear bearings 24, so that the camera module is driven by the telescopic rod of the driving cylinder 23 to move up and down and further guided by the linear bearings 24, and the displacement precision and stability are improved. Further, a sliding block 53 is fixedly arranged on each of the two sides of each longitudinal mounting plate 52, and the sliding blocks 53 are correspondingly sleeved on the support columns 21, so that the outer side of the camera module is guided along the sliding of the support columns 21 through the sliding blocks 53, and the overall displacement precision and stability are further improved.
In addition, a plurality of spring structures 54 are vertically arranged between the transverse mounting plate 51 and the main support plate 22, and two ends of each spring structure 54 are respectively connected with the transverse mounting plate 51 and the main support plate 22. During the upward or downward movement of the camera module as a whole, the rigidity of the entire system is reduced by the cushioning effect of the spring structure 54, preventing the impact force of the driving cylinder 23 from being too large to be controlled.
The lens group 5 includes a plurality of vertically downward camera lenses 55, and the camera lenses 55 are sequentially arranged on the transverse mounting plate 51 to form a collinear image capturing group for capturing image information of a printed circuit board passing right below the collinear image capturing group.
Also as shown in fig. 9, the light source group 6 includes a plurality of light bar holders 61 arranged between the two longitudinal mounting plates 52 and a patch light source 62 attached to the bottom end of each light bar holder 61. The patch lamp sources 62 are symmetrically provided with a plurality of layers, which are distributed in a trapezoidal shape with a narrow top and a wide bottom, and the directions of the layers are all aligned with the intersection of the path of the printed circuit board and the symmetrical plane, and the straight lines of the camera lenses 55 are also positioned in the symmetrical plane of the patch lamp sources 62, so that each camera lens 55 can shoot clear images on the printed circuit board passing through the symmetrical plane under the irradiation of the multi-layer combined light source.
Wherein, the running roller module includes lower running roller group 7 and last running roller group 8, and lower running roller group 7 includes that a plurality of rotations set up the lower running roller 71 in second frame 2, and each lower running roller 71 all is with the upper surface parallel and level of pay-off running roller 311 and the running roller 411 of unloading simultaneously, therefore printed circuit board can pass through smoothly on pay-off running roller 311, lower running roller 71 and the running roller 411 of unloading in proper order. The adjacent two ends of the lower roller 41 are connected by a belt, similar to the arrangement mode of the feeding roller 311, the end of one lower roller 71 is connected with the output end of the third motor 72 by a belt, so that all the lower rollers 71 are driven by the third motor 72 to synchronously rotate.
The upper roller set 8 comprises a plurality of upper rollers 81 rotatably disposed between the two longitudinal mounting plates 52, the number of the upper rollers is consistent with that of the lower rollers 71, and the upper rollers are all located below the patch lamp sources 62. The upper roller 81 is a passive roller, and when the printed circuit board is driven by the lower roller 71 to move, the upper roller 81 rolls on the upper surface of the printed circuit board, so that the printed circuit board is pressed and limited by the cooperation of the lower roller 71 and the upper roller 81, the printed circuit board moves more stably at the shooting position, and the image information shot by the lens group 5 is more accurate. The height position of the upper roller 81 is adjusted by the driving cylinder 23 driving the up-and-down movement adjustment of the transverse mounting plate 51 and the longitudinal mounting plate 52, the amplitude is determined by the information obtained by the thickness measuring part 33, the piston rod stretching amount of the driving cylinder 23 is controlled by the control system, and the upper roller group 8 is further controlled to reach the proper height position. In addition, the lower roller 71 and the upper roller 81 are located at the gap between two adjacent rollers on the symmetrical plane of the patch light source 62, so as to leave a space for the lens group 5 to accurately capture the image of the upper surface of the printed circuit board.
In a word, the printed circuit board detection equipment mainly comprises a rack, a conveying module, a roller module and a camera module, all the modules are connected and designed reasonably, the assembly and disassembly are very convenient, the maintenance, the replacement and the like of the whole equipment or the single module are convenient, and the use cost of the equipment is low; in addition, the transverse limiting part, the thickness measuring part and other structures arranged in the invention can reliably and conveniently adjust the moving track, the pressing position and the like of the printed circuit board, so that the equipment is suitable for printed circuit boards with different specifications, and the application value is further improved.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (7)
1. The printed circuit board detection equipment is characterized by comprising a rack, a conveying module, a roller module and a camera module;
the rack comprises a first rack and a second rack, wherein the first rack is horizontally arranged, the second rack is vertically arranged, and the first rack penetrates through the second rack;
the conveying module comprises a feeding mechanism arranged at the first end of the first rack and a discharging mechanism arranged at the second end of the first rack;
the roller module comprises an upper roller set and a lower roller set, the lower roller set is rotatably arranged on the first rack and is positioned inside the second rack, the upper roller set is arranged at the bottom end of the camera module, and the lower roller set drives the printed circuit board to pass through the second rack and is matched with the upper roller set to clamp and position the printed circuit board;
the camera module is arranged on the second rack in a sliding mode, is located right above the lower roller set and comprises a lens group and a light source group, light beams emitted by the light source group are aligned to the upper roller set and a printed circuit board passing between the lower roller set, and the lens group forms images on the upper surface of the printed circuit board.
2. The printed circuit board inspection apparatus of claim 1, wherein the feeding mechanism comprises a feeding roller part, a first lateral position-limiting part, and a thickness-measuring part;
the feeding roller wheel part comprises a plurality of feeding roller wheels which are arranged side by side, the feeding roller wheels are all rotatably arranged at the first end of the first rack, and the end parts of the feeding roller wheels are connected through a belt and driven through a first motor;
the first transverse limiting part comprises a plurality of supporting plates which are transversely arranged and a first limiting plate which is longitudinally arranged on the same side of the supporting plates, the supporting plates are alternately arranged between two adjacent feeding rollers, each supporting plate is provided with a belt structure which transversely moves, the transverse installation position of the first limiting plate on the supporting plate can be adjusted, the inner side surface of the first limiting plate is rotatably provided with a plurality of rollers, and the rollers are arranged along the length direction of the first limiting plate;
the thickness measuring part comprises a thickness measuring beam erected on the first frame and a thickness measuring cylinder arranged in the middle of the thickness measuring beam, a thickness measuring roller is arranged at the bottom end of a telescopic rod of the thickness measuring cylinder, and a sensor is arranged in the thickness measuring cylinder.
3. The printed circuit board inspection apparatus of claim 1, wherein the discharge mechanism comprises a discharge roller portion and a second lateral position-limiting portion;
the discharging roller part comprises a plurality of discharging rollers which are arranged side by side, the discharging rollers are all rotatably arranged at the second end of the first rack, the end parts of the discharging rollers are connected through a belt and driven by a second motor, and the discharging rollers are arranged in parallel with the upper surface of the feeding roller;
the second transverse limiting part comprises two second limiting plates longitudinally arranged at two ends of the discharging roller, a transverse sliding rail for the second limiting plates to slide and a driving structure for driving the second limiting plates to slide, the second limiting plates are provided with a plurality of protruding parts protruding upwards, each protruding part is inserted between the two discharging rollers and is higher than the upper surfaces of the discharging rollers, and a plurality of rollers are rotatably arranged on the inner sides of the protruding parts; the drive structure includes horizontal drive belt, the driving wheel and the drive of setting at the drive belt both ends the driving wheel pivoted motor, two the bottom of second limiting plate is provided with a connecting plate respectively, the connecting plate respectively with upper strata and lower floor drive belt fixed connection.
4. The printed circuit board detection device according to claim 1, wherein the second frame comprises four vertically arranged support columns and a main support plate fixedly arranged at the top ends of the support columns, and a driving cylinder and a plurality of linear bearings are vertically arranged in the middle of the main support plate;
the camera module further comprises a transverse mounting plate horizontally arranged right below the main support plate and two longitudinal mounting plates vertically arranged at two ends of the transverse mounting plate, the transverse mounting plate is fixedly arranged at the bottom end of a telescopic rod of the driving cylinder, a plurality of sliding rods are arranged on the transverse mounting plate and correspondingly sleeved in the linear bearings, a sliding block is fixedly arranged at two sides of each longitudinal mounting plate, and the sliding blocks are correspondingly sleeved on the support stand columns and can slide along the corresponding support stand columns;
the lens group comprises a plurality of camera lenses which are vertically arranged downwards, and the camera lenses are sequentially arranged on the transverse mounting plate and are arranged in a collinear manner;
the light source group comprises a plurality of lamp strip seats and patch light sources, wherein the lamp strip seats are erected between the two longitudinal mounting plates, and the patch light sources are attached to the bottom ends of the lamp strip seats.
5. The PCB detection apparatus of claim 4, wherein a plurality of spring structures are vertically arranged between the transverse mounting plate and the main support plate, and both ends of each spring structure are respectively connected with the transverse mounting plate and the main support plate.
6. The printed circuit board detection device according to claim 4, wherein the patch lamp source is symmetrically provided with a plurality of layers, the layers are distributed in a trapezoid shape with a narrow top and a wide bottom, and a straight line of the camera lens arrangement is positioned in a symmetrical plane of the patch lamp source.
7. The printed circuit board detection device according to claim 4, wherein the lower roller set comprises a plurality of lower rollers rotatably disposed on the second frame, the lower rollers are disposed flush with the upper surface of the feeding roller, and the ends on the same side of the lower rollers are connected by a belt and driven by a third motor; the upper roller set comprises a plurality of upper rollers which are rotatably arranged between the two longitudinal mounting plates, and the upper rollers are positioned below the patch lamp source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910939007.2A CN110632098B (en) | 2019-09-30 | 2019-09-30 | Printed circuit board detection equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910939007.2A CN110632098B (en) | 2019-09-30 | 2019-09-30 | Printed circuit board detection equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110632098A true CN110632098A (en) | 2019-12-31 |
| CN110632098B CN110632098B (en) | 2022-10-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910939007.2A Active CN110632098B (en) | 2019-09-30 | 2019-09-30 | Printed circuit board detection equipment |
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| CN (1) | CN110632098B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111438069A (en) * | 2020-04-26 | 2020-07-24 | 浙江精功科技股份有限公司 | Automatic steel bar feeding and detecting equipment |
| CN112730435A (en) * | 2020-12-24 | 2021-04-30 | 苏州迈维视电子技术有限公司 | PCB glue surface visual detection device and control method thereof |
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| JP2015190835A (en) * | 2014-03-28 | 2015-11-02 | 大日本印刷株式会社 | Web inspection device and web inspection method |
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| CN112730435A (en) * | 2020-12-24 | 2021-04-30 | 苏州迈维视电子技术有限公司 | PCB glue surface visual detection device and control method thereof |
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