CN213482097U - SMT circuit board detection device - Google Patents
SMT circuit board detection device Download PDFInfo
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- CN213482097U CN213482097U CN202022572380.XU CN202022572380U CN213482097U CN 213482097 U CN213482097 U CN 213482097U CN 202022572380 U CN202022572380 U CN 202022572380U CN 213482097 U CN213482097 U CN 213482097U
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- mount table
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- loading board
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Abstract
The utility model belongs to the technical field of SMT circuit board detects and specifically relates to a SMT circuit board detection device is related to, it includes the mount table, it is provided with the loading board that is used for placing the circuit board to rotate on the mount table, be provided with on the loading board and be used for making the circuit board place stable support joint structure, be provided with on the mount table and be used for the drive loading board pivoted drive structure, be provided with on the mount table and be located the RGB three-colour light source of loading board top. This application has and to make the circuit board stably place and can freely change the orientation of paster, can make the circuit board that waits to detect more stable when detecting, improves the precision demand that detects, and the full aspect carries out the all-round detection of shining to a certain paster solder joint simultaneously, and then has avoided the phenomenon of detection blind area, has guaranteed the effect of the quality of paster solder joint.
Description
Technical Field
The application relates to the field of SMT circuit board detection, in particular to a SMT circuit board detection device.
Background
The SMT circuit board meets the actual use requirement, and in the production process of the SMT circuit board, the printed circuit board and the electronic element device are welded together by a reflow welding machine with the help of tin paste on the electronic element device, and then the SMT circuit board needs to be subjected to welding point test to ensure the qualification rate of products.
Modern PCB circuit board inspection trade adopts RGB three-colour light source extensively to shine the paster, reflects different colors to the soldering tin of different gradients to the soldering tin surface property has been reflected. The image obtained by irradiating the soldering tin by using the RGB three-color light source is used for image recognition, and common defects of the patch, such as missing parts, wrong parts, component offset, tombstone, welding spot defects and the like, can be detected. The user uses the template patch to calculate the threshold value according to the algorithm program, and the detection of the defects of the patch can be realized.
To the correlation technique among the above-mentioned, the inventor thinks that the existence is because the circuit board is in fixed position all the time, and can't stably place to waiting to detect the circuit board moreover, causes RGB three-colour light source not enough to the illumination state at paster position, consequently leads to easily detecting can't reach the universalization requirement, appears detecting the blind area easily to cause the precision that detects not accurate enough, be difficult to ensure the quality standard of paster solder joint.
SUMMERY OF THE UTILITY MODEL
In order to make the circuit board stably place and can freely change the orientation of paster, can make the circuit board that waits to detect more stable when detecting, improve the precision demand that detects, the whole aspect carries out the all-round detection that shines to certain paster solder joint simultaneously, and then has avoided the phenomenon of detection blind area, has guaranteed the quality of paster solder joint. The application provides a SMT circuit board detection device.
The application provides a SMT circuit board detection device adopts following technical scheme:
the utility model provides a SMT circuit board detection device, includes the mount table, it is provided with the loading board that is used for placing the circuit board to rotate on the mount table, be provided with on the loading board and be used for making the circuit board place stable support joint structure, be provided with on the mount table and be used for the drive loading board pivoted drive structure, be provided with on the mount table and be located the RGB three-colour light source of loading board top.
Through adopting the above technical scheme, during the use, place the circuit board on the loading board, and utilize the support joint structure to make the circuit board place stably, then start the drive structure, the drive structure drives the loading board and rotates, thereby make the circuit board on the loading board take place to rotate, so, can make the circuit board stably place and can freely change the orientation of paster, can make the circuit board that waits to detect more stable when examining, improve the precision demand that detects, the whole aspect carries out all-round irradiation detection to a certain paster solder joint simultaneously, and then avoided the phenomenon of detection blind area, the quality of paster solder joint has been guaranteed.
Preferably, the driving structure including set up in driving motor on the mount table, it is provided with the pivot to rotate on the mount table, the loading board set up in the pivot is kept away from the one end of mount table, be provided with driven gear in the pivot, be provided with the driving gear on driving motor's the output shaft, the driving gear with the tensioning has drive chain between the driven gear.
Through adopting above-mentioned technical scheme, start driving motor, driving motor passes through the driving gear and drives drive chain and rotate, and drive chain drives driven gear and rotates to drive the pivot and rotate, the pivot drives the loading board and rotates, thereby makes the circuit board on the loading board take place to rotate, so simple structure, convenient to use.
Preferably, support joint structure include a plurality of roots with the loading board is close to the side mutually perpendicular movable rod of RGB three-colour light source, a plurality of roots the movable rod interval sets up, be provided with on the loading board with the movable rod complex groove that slides, the tank bottom in groove that slides with be provided with supporting spring between the movable rod.
Through adopting above-mentioned technical scheme, during the use, place the circuit board a plurality of movable rod top on the loading board, one side of circuit board contacts and extrudees in a plurality of movable rod, make during partial movable rod withdrawal sliding groove, thereby make the upper surface formation adaptation of a plurality of movable rods place the storage tank (not shown in the figure) of this circuit board, and circuit board activity pole all around is not pushed down, thereby make this circuit board received on the loading board, so, the installation and the dismantlement of circuit board are all comparatively convenient, and the circuit board that can be applicable to not equidimension specification of loading board, thereby improve the practicality.
Preferably, still be provided with elevation structure on the mount table, elevation structure includes the movable plate, drive structure and loading board all set up in on the side of movable plate raw materials mount table, the mount table with be provided with the extensible member between the movable plate, the telescopic link orientation of extensible member RGB three-colour light source.
Through adopting above-mentioned technical scheme, start electric putter, electric putter's telescopic link stretches out or retracts, thereby make the interval between RGB three-colour light source and the circuit board change according to shining the demand, guaranteed RGB three-colour light source to the abundant effect of shining of circuit board, not only can improve the precision that detects, improve the irradiation range of RGB three-colour light source simultaneously, make the circuit board fully expose under light, thereby improved to lack a piece, wrong piece, the component skew, found the tablet, the detection accuracy degree of solder joint defect phenomenon.
Preferably, a protective cover used for covering the driving structure is arranged on the mounting table.
Through adopting above-mentioned technical scheme, the setting of safety cover can prevent that debris from disturbing drive motor normal work, also can prevent that operating personnel from touching by mistake and taking place the industrial accident.
Preferably, the movable rod is sleeved with a soft sleeve made of a plastic material, and when the circuit board is placed on the bearing plate, the soft sleeve is abutted to the circuit board.
By adopting the technical scheme, the arrangement of the soft sleeve reduces the possibility that the surface of the circuit board is possibly damaged after the movable rod is in contact with the circuit board and is subjected to relative displacement.
Preferably, the movable rod is made of a ferromagnetic material.
Through adopting above-mentioned technical scheme, the setting that the movable rod was made by strong magnetism material for the circuit board all has certain magnetism to the circuit board after placing on the loading board, thereby strengthens the joint strength between circuit board and the loading board.
Preferably, the telescopic link of extensible member is located the middle part position department of movable plate, the side that the loading board was kept away from to the movable plate is provided with a plurality of stabilizer bar, be provided with on the mount table with the stabilizer bar sliding fit's stable groove, a plurality of the stabilizer bar winds the telescopic link circumference of extensible member distributes.
Through adopting above-mentioned technical scheme, the stability when the movable plate reciprocates is improved in the setting progress of stabilizer bar.
In summary, the present application includes at least one of the following beneficial technical effects:
1. when the detection device is used, the circuit board is placed on the bearing plate, the circuit board is stably placed by using the supporting clamping structure, then the driving structure is started, and the driving structure drives the bearing plate to rotate, so that the circuit board on the bearing plate rotates, the circuit board can be stably placed, the orientation of a patch can be freely changed, the circuit board to be detected can be more stable during detection, the detection accuracy requirement is improved, meanwhile, the all-round irradiation detection is carried out on a certain patch welding spot in all directions, the detection blind area phenomenon is avoided, and the quality of the patch welding spot is ensured;
2. the arrangement of the supporting and clamping structure enables the circuit board to be mounted and dismounted conveniently, and the bearing plate can be suitable for circuit boards with different sizes and specifications, so that the practicability is improved;
3. start electric putter, electric putter's telescopic link stretches out or retracts to make the interval between RGB three-colour light source and the circuit board change according to shining the demand, guaranteed RGB three-colour light source to the abundant effect of shining of circuit board, not only can improve the precision that detects, improve the irradiation range of RGB three-colour light source simultaneously, make the circuit board fully expose under light, thereby improved to lack a piece, wrong piece, component skew, found the tablet, the detection accuracy degree of solder joint defect phenomenon.
Drawings
Fig. 1 is a schematic overall structure diagram of an embodiment of an SMT circuit board detection device according to the present application.
Fig. 2 is a schematic structural diagram of an SMT circuit board detecting device according to an embodiment of the present application, after a protection cover and a portion of a box door are hidden.
Fig. 3 is an exploded schematic view of a moving plate, a driving structure on the moving plate, and a carrier plate according to an embodiment of the SMT circuit board detection apparatus of the present application.
Description of reference numerals: 1. an installation table; 11. accommodating grooves; 12. a box door; 2. a lifting structure; 21. a telescoping member; 211. a telescopic rod; 22. moving the plate; 221. a bearing; 23. a stabilizer bar; 24. an extension tube; 3. a rotating shaft; 31. a driven gear; 4. a carrier plate; 41. a groove; 42. a movable rod; 43. a sliding groove; 44. a support spring; 5. a drive structure; 51. a drive motor; 511. an output shaft; 52. a driving gear; 53. a drive chain; 54. a protective cover; 6. a support bar; 61. a vertical rod; 62. a horizontal bar; 7. RGB three-color light source.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses SMT circuit board detection device. Referring to fig. 1 and 2, the SMT circuit board detection device includes a mounting table 1 vertically arranged, an accommodating groove 11 is horizontally arranged on one side of the mounting table 1, and a door 12 is hinged to an opening of the accommodating groove 11. Be provided with elevation structure 2 on mount table 1, elevation structure 2 includes the extensible member 21 of vertical setting, and in this embodiment, extensible member 21 is electric putter, and electric putter is located holding tank 11 middle part position department and electric putter's lower extreme fixed connection in holding tank 11's lower lateral wall, and electric putter's telescopic link 211 activity runs through holding tank 11's last lateral wall and stretches out to the upper surface top of mount table 1. The end of the telescopic rod 211 is fixedly connected to the horizontally arranged moving plate 22, and the telescopic rod 211 is connected to the middle position of the lower surface of the horizontal plate.
Referring to fig. 2, meanwhile, a plurality of stabilizer bars 23 are uniformly distributed around the circumference of the telescopic rod 211 of the electric push rod on the lower surface of the moving plate 22, and the stabilizer bars 23 are vertically arranged, in this embodiment, the number of the stabilizer bars 23 may be three. The mounting table 1 is provided with a stabilizing groove (not shown in the figure) which is matched with the stabilizing rod 23 in a sliding mode, the stabilizing groove is communicated to the accommodating groove 11, the side wall of the accommodating groove 11 communicated with the stabilizing groove is also vertically provided with an extension pipe 24, the extension pipe 24 is coaxially arranged with the stabilizing groove, and the inner diameter of the extension pipe 24 is equal to the diameter of the stabilizing groove.
Referring to fig. 2 and 3, a bearing 221 is horizontally arranged on the upper surface of the moving plate 22, the bearing 221 is countersunk on the upper surface of the moving plate 22, an outer ring of the bearing 221 is fixedly connected with the moving plate 22, a rotating shaft 3 is fixedly connected in an inner ring of the bearing 221, the rotating shaft 3 is vertically arranged, a horizontally arranged bearing plate 4 for placing a circuit board is fixedly connected to one end of the rotating shaft 3 far away from the moving plate 22, and a supporting clamping structure for enabling the circuit board to be stably placed is arranged on the bearing plate 4. Specifically, the upper surface of the bearing plate 4 is provided with a groove 41, the side wall of the groove 41 is close to the outer side wall of the bearing plate 4, the supporting clamping structure comprises a plurality of movable rods 42 which are mutually perpendicular to the upper surface of the bearing plate 4, the movable rods 42 are made of strong magnetic materials, and meanwhile, soft sleeves (not shown in the figure) are sleeved at the upper end parts of the movable rods 42 and made of plastic materials, and when the circuit board is placed on the bearing plate 4, the soft sleeves are abutted to the circuit board. The movable rods 42 are arranged in an array, a sliding groove 43 which is matched with the movable rods 42 in a sliding mode is arranged on the groove bottom of the groove 41, a supporting spring 44 is vertically arranged between the groove bottom of the sliding groove 43 and the movable rods 42, the lower end of the supporting spring 44 is fixedly connected with the groove bottom of the sliding groove 43, and the upper end of the supporting spring 44 is fixedly connected with the lower end face of the movable rods 42.
Referring to fig. 2 and 3, meanwhile, a driving structure 5 for driving the bearing plate 4 to rotate is arranged on the moving plate 22, specifically, the driving structure 5 includes a driving motor 51 arranged on the mounting table 1, and the driving motor 51 can be selected as a stepping motor, so as to achieve a better rotation control effect. The driving motor 51 is vertically arranged, an output shaft 511 of the driving motor 51 faces away from the moving plate 22, a driving gear 52 is arranged on the output shaft 511 of the driving motor 51, a driven gear 31 is arranged on the rotating shaft 3, and a transmission chain 53 is tensioned between the driving gear 52 and the driven gear 31. Meanwhile, a protective cover 54 for covering the driving structure 5 is further disposed on the moving plate 22, so that the driving motor 51 can be prevented from being interfered by sundries and the accident of industrial injury caused by accidental touch of an operator can be prevented.
Referring to fig. 1 and 2, a supporting plate located on one side of the moving plate 22 is arranged on the mounting table 1, the supporting plate includes a vertical rod 61 and a horizontal rod 62, the horizontal rod 62 is connected to the upper end of the vertical rod 61 and located above the bearing plate 4, an RGB three-color light source 7 is arranged at one end of the horizontal rod 62 far away from the vertical rod 61, and the RGB three-color light source 7 is located above the bearing plate 4.
The implementation principle of the SMT circuit board detection device in the embodiment of the application is as follows: when the circuit board is used, the circuit board is placed above the plurality of movable rods 42 on the bearing plate 4, one side of the circuit board is contacted and extruded with the plurality of movable rods 42, so that part of the movable rods 42 retract into the sliding groove 43, the upper surfaces of the plurality of movable rods 42 form accommodating grooves (not shown in the figure) for accommodating the circuit board, and the movable rods 42 at the periphery of the circuit board are not pressed down, so that the circuit board is clamped on the bearing plate 4; then, a driving motor 51 is started, the driving motor 51 drives a transmission chain 53 to rotate through a driving gear 52, the transmission chain 53 drives a driven gear 31 to rotate, so that a rotating shaft 3 is driven to rotate, the rotating shaft 3 drives a bearing plate 4 to rotate, so that a circuit board on the bearing plate 4 rotates, and welding spots on the circuit board can be irradiated in all directions; in addition, the electric push rod can be started, the telescopic rod 211 of the electric push rod extends out or retracts, so that the distance between the RGB three-color light source 7 and the circuit board can be changed according to the irradiation requirement, the sufficient irradiation effect of the RGB three-color light source 7 on the circuit board is ensured, the detection precision can be improved, the irradiation range of the RGB three-color light source 7 is improved simultaneously, the circuit board is fully exposed under light, and the detection accuracy of the defect phenomena of missing parts, wrong parts, component deviation, tombstone erection and welding spots is improved.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a SMT circuit board detection device which characterized in that: including mount table (1), it is provided with loading board (4) that are used for placing the circuit board to rotate on mount table (1), be provided with on loading board (4) and be used for making the circuit board place stable support joint structure, be provided with on mount table (1) and be used for the drive loading board (4) pivoted drive structure (5), be provided with on mount table (1) and be located RGB three-colour light source (7) of loading board (4) top.
2. An SMT circuit board detection device according to claim 1, wherein: drive structure (5) including set up in driving motor (51) on mount table (1), it is provided with pivot (3) to rotate on mount table (1), loading board (4) set up in pivot (3) are kept away from the one end of mount table (1), be provided with driven gear (31) on pivot (3), be provided with driving gear (52) on output shaft (511) of driving motor (51), driving gear (52) with the tensioning has drive chain (53) between driven gear (31).
3. An SMT circuit board detection device according to claim 1, wherein: support joint structure include a plurality of roots with loading board (4) are close to the mutually perpendicular movable rod (42) in side of RGB three-colour light source (7), a plurality of roots movable rod (42) interval sets up, be provided with on loading board (4) with movable rod (42) the complex groove (43) that slides, the tank bottom in groove (43) that slides with be provided with supporting spring (44) between movable rod (42).
4. An SMT circuit board detection device according to claim 1, wherein: still be provided with elevation structure (2) on mount table (1), elevation structure (2) are including movable plate (22), drive structure (5) and loading board (4) all set up in on the side of movable plate (22) raw materials mount table (1), mount table (1) with be provided with extensible member (21) between movable plate (22), telescopic link (211) orientation of extensible member (21) RGB three-colour light source (7).
5. An SMT circuit board detection device according to claim 2, wherein: the mounting table (1) is provided with a protective cover (54) used for covering the driving structure (5).
6. An SMT circuit board detection device according to claim 3, wherein: the soft cover that is made by the plastics material is cup jointed in the movable rod (42) outside, and the circuit board is placed when on loading board (4), the soft cover is inconsistent with the circuit board.
7. An SMT circuit board detection device according to claim 6, wherein: the movable rod (42) is made of a ferromagnetic material.
8. An SMT circuit board detection device according to claim 4, wherein: the telescopic link (211) of extensible member (21) is located the middle part position department of moving plate (22), the moving plate (22) is kept away from the side of loading board (4) is provided with a plurality of stabilizer bar (23), be provided with on mount table (1) with stabilizer bar (23) sliding fit's stable groove, a plurality of stabilizer bar (23) are wound telescopic link (211) circumferential distribution of extensible member (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022572380.XU CN213482097U (en) | 2020-11-09 | 2020-11-09 | SMT circuit board detection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022572380.XU CN213482097U (en) | 2020-11-09 | 2020-11-09 | SMT circuit board detection device |
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| CN213482097U true CN213482097U (en) | 2021-06-18 |
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| CN202022572380.XU Active CN213482097U (en) | 2020-11-09 | 2020-11-09 | SMT circuit board detection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117160921A (en) * | 2023-11-01 | 2023-12-05 | 中环国化江苏环境检测有限公司 | Instrument and meter detection device based on automation |
-
2020
- 2020-11-09 CN CN202022572380.XU patent/CN213482097U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117160921A (en) * | 2023-11-01 | 2023-12-05 | 中环国化江苏环境检测有限公司 | Instrument and meter detection device based on automation |
| CN117160921B (en) * | 2023-11-01 | 2023-12-29 | 中环国化江苏环境检测有限公司 | Instrument and meter detection device based on automation |
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