CN110412316B - Clamping device for detecting printed circuit board - Google Patents
Clamping device for detecting printed circuit board Download PDFInfo
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- CN110412316B CN110412316B CN201910559541.0A CN201910559541A CN110412316B CN 110412316 B CN110412316 B CN 110412316B CN 201910559541 A CN201910559541 A CN 201910559541A CN 110412316 B CN110412316 B CN 110412316B
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- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
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- G01R1/02—General constructional details
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- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
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Abstract
The invention relates to the field of processing equipment of electronic components. A clamping device for detecting a printed circuit board comprises a rack, a front and back moving support plate, a front and back moving electric cylinder, a front and back moving slide rail, a left and right moving support plate, a left and right moving electric cylinder, a left and right moving slide rail, a clamping moving plate and three clamping assemblies; the front-back moving support plate and the front-back moving electric cylinder are respectively arranged on the frame; the front-back moving support plate is arranged on the front-back moving electric cylinder, the front-back moving support plate is arranged on the front-back moving slide rail, and the left-right moving support plate is arranged on the front-back moving support plate through the left-right moving electric cylinder and the left-right moving slide rail; the clamping moving plate is arranged on the left-right moving support plate and is provided with an adjusting slide rail; one of the three clamping components is arranged on the left-right moving support plate, and the other two clamping components are arranged on the adjusting slide rail. The clamping size is convenient to adjust, and the universality is high; the printed circuit board is moved and adjusted so as to be convenient for any point location detection.
Description
Technical Field
The invention relates to the field of processing equipment of electronic components, in particular to a clamping device for detecting a printed circuit board.
Background
With the high-speed advancement of electronization degree, various electronic components are widely used, and a printed circuit board is a commonly used electronic component, and needs to be detected in the processing process of the printed circuit board. For example, a clamping mechanism disclosed in chinese patent publication No. CN204078847U publication No. 2015.01.07, the clamping mechanism includes: the support, be provided with die clamping cylinder on the support, die clamping cylinder is fixed in through die clamping cylinder tailpin on the support, the piston rod of cylinder connects through cylinder Y type and is connected with the transmission of the tight pivot of clamp, the support still is connected with the tight dead axle of clamp, the tight pivot of clamp is connected with the tight dead axle end socket of clamp through pressing from both sides tight pivot bush and the tight dead axle bush of clamp respectively with pressing from both sides tight dead axle, the tight dead axle end socket of clamp with support fixed connection, the tight dead axle of clamp and the tight pivot of clamp are connected with the tight foot of clamp through pressing from both sides tight dead axle connecting rod and tight pivot connecting rod respectively, it has the tight foot backing plate of clamp to press from both sides tight foot rigid coupling, press from both sides tight dead axle and press from both. The utility model discloses, can the efficient arrangement printed circuit board in bulk, put things in good order on the conveyor rail, can play certain effect of using manpower sparingly, material resources. The clamping mechanism described above, and most clamping mechanisms on the market, have several problems: the existing equipment can only detect the appointed printed circuit board, if different types of the printed circuit board exist, different clamps are required to be replaced for detection, the operation is troublesome, and the universality is low; the clamps are fixedly arranged on the frame, so that the position can not be adjusted, and the adjustment of the detection point position is convenient. In conclusion, the existing clamping mechanism has the problems that the clamp cannot be adjusted in size, cannot be moved and only can be used for detecting the fixed point position.
The existing detection equipment, such as an automatic detection machine for a PCB circuit board disclosed in the Chinese patent with the publication number of CN106824817A, comprises a rack and a power distribution control box, wherein a turntable connected with a turntable motor is arranged on the rack, a detection carrier matched with a product is uniformly arranged on the turntable, a probe detection device matched with the product on the detection carrier is arranged on the rack, the probe detection device comprises a probe detection seat arranged on the rack, a probe detection lifting cylinder is arranged on the probe detection seat, a probe detector is connected below the probe detection lifting cylinder and comprises a probe detection lifting seat connected with an exploration detection lifting cylinder, a probe detection movable device is arranged below the probe detection lifting seat, and the probe detection movable device is connected with an integrated detection probe block matched with the product in the detection carrier; the invention realizes accurate butt joint detection, prevents the product from being damaged by detection deviation, and simultaneously adopts the turntable to realize the rotation of the detection carrier, thereby realizing continuous detection and improving the detection efficiency. The above-mentioned existing printed circuit board inspection apparatus has several problems: the existing equipment can only detect the printed circuit board with the designated layout design, and if different models exist, different clamps are required to be replaced for detection, so that the operation is troublesome and the universality is low; the clamps are fixedly arranged on the rack, so that the position cannot be adjusted, and the detection point position can be conveniently adjusted; thirdly, only the probe is used for detection, so that the detected detection result is inaccurate; fourthly, no heating plate is arranged when the printed circuit board is detected, and the temperature cannot be adjusted, so that the detection data is influenced in the detection process; and fifthly, in the process from the blanking to the material receiving area, the qualified products are not distinguished, and the products are manually distinguished one by one, so that the operation is troublesome. In conclusion, the existing printed circuit board detection equipment has the problems that the clamp cannot be used for size adjustment, the detection universality is low, the detection point is single, the detection efficiency is low, the detection cannot be distinguished, and the detection quality is poor.
Disclosure of Invention
An object of the present invention is to solve the above problems of the conventional clamping device, and to provide a clamping device for printed circuit board inspection which is adaptable to inspection of printed circuit boards of different sizes and performs inspection of an arbitrary dot position by left-right back-and-forth adjustment movement. Another object of the present invention is to provide a printed circuit board inspection apparatus having high inspection versatility and high inspection quality.
For the purpose of the invention, the following technical scheme is adopted for realizing the purpose: a clamping device for detecting a printed circuit board comprises a rack, a front and back moving support plate, a front and back moving electric cylinder, a front and back moving slide rail, a left and right moving support plate, a left and right moving electric cylinder, a left and right moving slide rail, a clamping moving plate and three clamping assemblies; the front-back moving support plate and the front-back moving electric cylinder are respectively arranged on the frame; the left part of the front-back moving support plate is arranged on the moving part of the front-back moving electric cylinder, the right part of the front-back moving support plate is arranged on the front-back moving slide rail, and the front-back moving support plate is driven by the front-back moving electric cylinder to move front and back on the front-back moving slide rail; the front part of the left-right moving support plate is arranged on the front part of the front-back moving support plate through a left-right moving electric cylinder; the rear part of the left-right moving support plate is arranged on the rear part of the front-back moving support plate through a left-right moving slide rail; the left-right moving electric cylinder drives the left-right moving support plate to move left and right on the left-right moving slide rail; the clamping moving plate is arranged on the left-right moving support plate through a clamping sliding rail and is fixed through a fixing nut; the clamping moving plate is provided with an adjusting slide rail; one of the three clamping components is arranged at the left rear part of the left-right moving supporting plate and is arranged forwards, the other two clamping components are arranged on the adjusting slide rail and are arranged towards the feeding end, and the clamping components for adjusting the slide rail are fixed through adjusting the fixing nut. The detection of the printed circuit boards with different sizes is adapted, and the detection of any point position is carried out by adjusting and moving left and right and back and forth.
Preferably, the three clamping assemblies are identical in structure; each clamping assembly comprises a clamping base, a clamping cylinder, a clamping fixing block and a U-shaped supporting plate; the clamping cylinder is arranged on the clamping base, and the clamping fixed block is fixedly connected with the moving part of the clamping cylinder; the U-shaped supporting plate is arranged at the bottom of the clamping base through a connecting block; and the clamping fixing block is positioned in the U-shaped groove of the upper U-shaped supporting plate. Facilitating better clamping.
Preferably, the widths of the two opening side plates of the U-shaped supporting plate on the three clamping assemblies are different. Matching the elements on different boards.
Preferably, the thickness of the two open side plates of the U-shaped supporting plate is smaller than that of the middle plate. The printed circuit board can be conveniently placed on the U-shaped supporting plate.
Preferably, the cross section of the left and right support plates is hollow and square. Facilitating the matching with the printed circuit board.
Preferably, a jacking device is further arranged on the rack below the front-back moving support plate, and the jacking device comprises a jacking cylinder and a jacking block; the jacking cylinder is arranged on the rack through a jacking fixing block, the jacking block is arranged on a moving part of the jacking cylinder, and the jacking block penetrates through the front-back moving supporting plate and is located below a neutral position of the left-right moving supporting plate.
Preferably, a heating device is further arranged on the machine frame below the front-back moving support plate; the heating device comprises a heating cylinder and a heating block; the heating cylinder is arranged on the rack through a heating fixing block, the heating block is arranged on a moving part of the heating cylinder, and the heating block penetrates through the front-back moving support plate and is located below a neutral position of the left-right moving support plate.
A clamping method for printed circuit board detection sequentially comprises the following steps: the printed circuit board is placed on the U-shaped supporting plate of the three clamping assemblies, and the clamping cylinders on the three clamping assemblies drive the clamping fixing blocks to clamp and fix the printed circuit board in the free space of the left-right moving supporting plate; the front-back moving support plate is driven by the front-back moving electric cylinder to move front and back through the front-back moving slide rail, and the left-right moving support plate is driven by the left-right moving electric cylinder to move left and right through the left-right moving slide rail, so that the printed circuit board is moved to an appointed detection position; make printed circuit board reach the assigned temperature through the heating piece on the heating device, support the bottom at printed circuit board through the jacking piece on the jacking device simultaneously and play the supporting role.
A kind of printed circuit board detection equipment, this apparatus includes the stander, loading attachment, horizontal shifter, extracting device, checkout gear, blanking device and above-mentioned clamping shifter; the feeding device is used for feeding the printed circuit board; the horizontal moving device drives the printed circuit board on the material taking device to move horizontally, and the material taking device finishes feeding and blanking; the detection device is used for detecting the qualified condition of the printed circuit board on the clamping moving device; the blanking device is used for blanking the printed circuit board.
By adopting the clamping device in the technical scheme, the electric cylinder can be moved forwards and backwards and moved leftwards and rightwards, so that the detection of any point position is facilitated, the comprehensiveness of the detection is improved, and the detection efficiency is improved; the three clamping components are convenient for better clamping and fixing the printed circuit boards with different sizes; the jacking cylinder in the jacking device drives the jacking block to jack up so as to prop against the bottom of the printed circuit board and keep the flatness during detection; the stability of the printed circuit board is regulated and controlled through the heating device, and the detection is convenient at the optimal temperature. In summary, the clamping size is convenient to adjust, and the universality is high; the printed circuit board is moved and adjusted so as to be convenient for any point location detection.
Drawings
Fig. 1 is a schematic structural diagram of a printed circuit board inspection apparatus in embodiment 2 of the present invention.
Fig. 2 is a schematic structural view of a feeding device in embodiment 2.
Fig. 3 is a schematic structural view of a horizontal moving device and a material taking device in embodiment 2.
Fig. 4 is a schematic structural view of the clamp moving device in embodiments 1 and 2.
Fig. 5 is a schematic structural diagram of a detection apparatus in embodiment 2.
The labels in the figures are: the automatic feeding device comprises a frame 1, a feeding device 2, a feeding fixing plate 21, a feeding moving frame 22, a feeding motor 23, a feeding driving wheel 24, a feeding driven wheel 25, a feeding conveyor belt 26, a feeding moving rod 27, a feeding matching block 28, a horizontal moving device 3, a portal frame 31, a small portal frame 311, a drag chain 312, a horizontal motor 32, a horizontal rotating shaft 33, a horizontal moving block 34, a horizontal sliding rail 35, a taking device 4, a taking connecting plate 40, a taking supporting plate 41, a taking sliding rail 42, a taking cylinder 43, a taking carriage 44, a taking drag chain assembly 441, a taking nozzle fixing rod 45, a taking nozzle 46, a clamping moving device 5, a clamping moving supporting plate 50, a front and back moving supporting plate 51, a front and back moving cylinder 52, a front and back moving sliding rail 53, a left and right moving supporting plate 54, a left and right moving cylinder 55, a left and right moving rail 56, a, The device comprises an adjusting slide rail 583, an adjusting fixing nut 584, a clamping assembly 59, a vertical clamping slide rail 590, a clamping base 591, a clamping cylinder 592, a clamping fixing block 593, a U-shaped supporting plate 594, a detection device 6, a detection support 61, a detection electric cylinder 62, a detection lifting plate 63, a detection drag chain assembly 631, a first detection assembly 64, a detection air cylinder 641, a detection moving block 642, a probe fixing block 643, a detection probe 644, a second detection assembly 65, a detection auxiliary support 66, a detection camera 67, a detection light source 68, a blanking device 7, a blanking module 71, a qualified blanking module 72, a jacking assembly 8, a jacking air cylinder 81, a jacking block 82, a heating assembly 9, a heating air cylinder 91 and a heating block 92.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the drawings, are used only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention.
Example 1
As shown in fig. 4, a clamping device for printed circuit board detection comprises a clamping moving support plate 50, a front and back moving support plate 51, a front and back moving electric cylinder 52, a front and back moving slide rail 53, a left and right moving support plate 54, a left and right moving electric cylinder 55, a left and right moving slide rail 56, a clamping moving plate 58 and three clamping assemblies 59; the forward-backward moving electric cylinder 52 and the forward-backward moving slide rail 53 are respectively provided on the clamping moving support plate 50. The left part of the front-back moving support plate 51 is arranged on the moving part of the front-back moving electric cylinder 52, the right part of the front-back moving support plate 51 is arranged on the front-back moving slide rail 53, and the front-back moving support plate 51 is driven by the front-back moving electric cylinder 52 to move front and back on the front-back moving slide rail 53; the front part of the left-right moving support plate 54 is arranged on the front part of the front-back moving support plate 51 through a left-right moving electric cylinder 55; the rear part of the left-right moving support plate 54 is arranged on the rear part of the front-rear moving support plate 51 through a left-right moving slide rail 56; the left-right moving electric cylinder 55 drives the left-right moving support plate 54 to move left and right on the left-right moving slide rail 56; therefore, any point on the printed circuit board can be detected by adjusting the front, the back, the left and the right, the comprehensiveness of the detection is improved, and the detection efficiency is improved. The left and right moving support plate 54 has a hollow square section, which facilitates better matching with the printed circuit board and facilitates fixing the printed circuit board within the left and right moving support plate 54. The clamping moving plate 58 is arranged on the left-right moving support plate 54 through the clamping slide rail 581, and the clamping moving plate 58 is clamped and fixed through the fixing nut 582, so that the printed circuit boards with different sizes can be manually and conveniently changed, the operation is simple, and the equipment cost is saved. The clamping moving plate 58 is provided with an adjusting slide rail 583; one of the three clamping assemblies 59 is disposed at the left rear portion of the left-right moving support plate 54 and forwardly through a vertical clamping slide 590, thus facilitating clamping fixation between the front and rear. The other two are established on adjusting slide rail 583 and set up towards the feed end, have further promoted the clamp fixation between the left and right sides. And the clamping assembly 59 on the adjusting slide rail 583 is fixed by adjusting the fixing nut 584, so that the device is convenient to adapt to more printed circuit boards with different sizes, is convenient to operate, does not need to be automatically carried out through equipment, and is too cost-wasting.
The three clamping assemblies 59 are identical in structure; each clamping assembly 59 comprises a clamping base 591, a clamping cylinder 592, a clamping fixing block 593 and a U-shaped supporting plate 594; the clamping cylinder 592 is arranged on the clamping base 591, and the clamping fixed block 593 is fixedly connected with the moving part of the clamping cylinder 592; the U-shaped supporting plate 594 is arranged at the bottom of the clamping base 591 through a connecting block; and the clamping fixing block 593 is located in the U-shaped groove of the upper U-shaped support plate 594, thus further effectively and stably fixing the printed circuit board. The width of the two open side plates of the U-shaped support plate 594 of the three clamping assemblies 59 is different, and the different widths are used for adapting to different components corresponding to different positions and are more matched with a printed circuit board. The thickness of the two open side plates of the U-shaped support plate 594 is less than that of the middle plate, and the difference in thickness is to make the two open side plates better support the printed circuit board.
During operation, the printed circuit board is placed on the U-shaped supporting plate 594 of the three clamping assemblies 59, and the clamping cylinders 592 on the three clamping assemblies 59 drive the clamping fixing blocks 593 to clamp and fix the printed circuit board in the free space of the left-right moving supporting plate 54; the front-back moving electric cylinder 52 drives the front-back moving support plate 51 to move front and back on the front-back moving slide rail 53, and the left-right moving electric cylinder 55 drives the left-right moving support plate 54 to move left and right on the left-right moving slide rail 56, so that the printed circuit board can be adjusted in all directions on the rack, the detection device can conveniently detect any point, and the detection efficiency and the detection comprehensiveness are improved.
The clamping moving device 5 is convenient for detecting any point position by moving the electric cylinder 52 forwards and backwards and moving the electric cylinder 55 leftwards and rightwards, so that the detection comprehensiveness and the detection efficiency are improved; the three clamping assemblies 59 are convenient for better clamping and fixing the printed circuit board, so that the stability in the detection process is improved, and the detection quality is improved.
The clamping movable supporting plate 50 is also provided with a jacking assembly 8 and a heating assembly 9; the jacking assembly 8 comprises a jacking cylinder 81 and a jacking block 82; the jacking cylinder 81 is arranged on the clamping movable supporting plate 50 through a jacking fixing block, the jacking block 82 is arranged on the movable part of the jacking cylinder 81, and the jacking block 82 penetrates through the front-back movable supporting plate 51 and is positioned below the neutral position of the left-right movable supporting plate 54; thereby this jacking subassembly 8 drives jacking piece 82 jack-up through jacking cylinder 81 and supports printed circuit board's bottom, keeps the roughness when detecting, and the better accuracy when detecting and lift detection of being convenient for.
The heating assembly 9 comprises a heating cylinder 91 and a heating block 92; the heating cylinder 91 is disposed on the clamping moving support plate 50 through a heating fixing block, the heating block 92 is disposed on the moving portion of the heating cylinder 91, and the heating block 92 is located below the neutral position of the left-right moving support plate 54 through the front-rear moving support plate 51. Move heating block 92 through heating cylinder 91 through heating element 9 and rise to support on printed circuit board's bottom surface, and then regulate and control printed circuit board's stability, be convenient for detect under the optimum temperature, improve printed circuit board's detection precision, thereby improve printed circuit board's quality.
A clamping method of a printed circuit board sequentially comprises the following steps: the printed circuit board is clamped and fixed in a free position of the left-right moving support plate 54 by placing the printed circuit board on the U-shaped support plate 594 of the three clamping assemblies 59 and driving the clamping fixing block 593 through the clamping air cylinders 592 on the three clamping assemblies 59; secondly, the front-back moving support plate 51 is driven by the front-back moving electric cylinder 52 to move front and back on the front-back moving slide rail 53, and the left-right moving support plate 54 is driven by the left-right moving electric cylinder 55 to move left and right on the left-right moving slide rail 56, so that the printed circuit board is moved to a specified detection position; and (III) the printed circuit board reaches a specified temperature through the heating block 92 on the heating assembly 9, and meanwhile, the jacking block 82 on the jacking assembly 8 supports the bottom of the printed circuit board.
The device is convenient for detecting any point position by moving the electric cylinder 52 forwards and backwards and moving the electric cylinder 55 leftwards and rightwards, so that the detection comprehensiveness and the detection efficiency are improved; the three clamping assemblies 59 are used for facilitating better clamping and fixing of printed circuit boards with different sizes; the jacking cylinder 81 in the jacking assembly 8 drives the jacking block 82 to jack up so as to prop against the bottom of the printed circuit board and keep the flatness during detection; the stability of the printed circuit board is regulated by the heating assembly 9, which facilitates detection at an optimum temperature. In summary, the clamping size is convenient to adjust, and the universality is high; the printed circuit board is moved and adjusted so as to be convenient for any point location detection.
Example 2
As shown in fig. 1, an automatic detection apparatus for a printed circuit board includes a frame 1, a feeding device 2, a horizontal moving device 3, a material taking device 4, a clamping moving device 5, a detection device 6 and a blanking device 7; the feeding device 2 is arranged at the feeding end part of the rack 1 and is used for feeding the printed circuit board; the horizontal moving device 3 is arranged at the rear part of the frame 1; the material taking device 4 is arranged on the horizontal moving device 3 through a material taking connecting plate 40, the material taking device 4 is used for clamping a printed circuit board, the horizontal moving device 3 drives the printed circuit board on the material taking device 4 to horizontally move, and the material feeding and the material discharging are completed through the material taking device 4; the clamping and moving device 5 is arranged in the middle of the frame 1; the clamping and moving device 5 is used for clamping the printed circuit board and driving the printed circuit board to perform front-back left-right adjusting movement; the detection device 6 is positioned above the clamping moving device 5; the detection device 6 is used for detecting the qualified condition of the printed circuit board on the clamping moving device 5; the blanking device 7 comprises an unqualified blanking module 71 and a qualified blanking module 72; the unqualified blanking module 71 and the qualified blanking module 72 are respectively arranged at the discharging end part of the frame 1; the unqualified blanking module 71 is used for blanking unqualified products, and the qualified blanking module 72 is used for blanking qualified products.
As shown in fig. 1 and fig. 2, the feeding device 2 includes a feeding fixing plate 21, a feeding moving frame 22, a feeding motor 23, a feeding driving wheel 24, a feeding driven wheel 25, a feeding conveyor belt 26, a feeding moving rod 27, and a feeding matching block 28; the feeding fixed plate 21 is fixed on the frame 1, the feeding movable frame 22 is arranged on the feeding fixed plate 21 through a feeding guide rod, and the feeding movable frame 22 moves up and down on the feeding fixed plate 21; the feeding motor 23 is arranged at the bottom of the feeding moving frame 22 through a feeding motor frame, and a rotating shaft of the feeding motor 23 penetrates through a bottom plate of the feeding moving frame 22 to be connected with a feeding driving wheel 24; the feeding driven wheel 25 is connected with the feeding driving wheel 24 through the feeding conveying belt 26, and the feeding driven wheel 25 is matched with the feeding driving wheel 24 to control the rotating speed and improve the transmission efficiency. The lower end of the feeding moving rod 27 is arranged on the feeding driven wheel 25; the material loading cooperation block 28 is arranged at the center of the material loading fixed plate 21, the upper end of the material loading moving rod 27 penetrates through the material loading cooperation block 28 to be fixedly connected with the top plate of the material loading moving frame 22, and the material loading moving rod 27 rotates to be matched with the material loading cooperation block 28 to be lifted. The feeding fixing plate 21 is also provided with a baffle 29 for placing the printed circuit board to fall.
During operation, place the printed circuit board that will detect on material loading carriage 22, it is rotatory to drive material loading action wheel 24 through material loading motor 23, and material loading action wheel 24 drives the material loading through material loading conveyer belt 26 and follows the driving wheel 25 rotation, and the material loading is rotated driving wheel 25 and is driven material loading carriage release lever 27 and rotate to make material loading carriage release lever 27 and material loading cooperation piece 28 cooperate, make material loading carriage release lever 27 drive the printed circuit board rebound on the material loading carriage 22. This loading attachment 2 is convenient for with the stable transport of printed circuit board to improve material loading efficiency.
As shown in fig. 1 and 3, the horizontal moving device 3 includes a gantry 31, a horizontal motor 32, a horizontal rotating shaft 33, and a horizontal moving block 34; the portal frame 31 is arranged on the frame 1, and the horizontal motor 32 is arranged at the feed end of the portal frame 31 through the horizontal motor frame; the horizontal rotating shaft 33 is connected with the horizontal motor 32 and is arranged on the top plate of the portal frame 31 in parallel; the horizontal moving block 34 is arranged on the horizontal rotating shaft 33 through a horizontal sliding rail 35, and is matched with the horizontal rotating shaft 33 to move horizontally on the horizontal sliding rail 35, and the material taking connecting plate 40 is arranged at the front part of the horizontal moving block 34; a small portal frame 311 is also arranged on the top plate of the portal frame 31; the top of the small portal frame 311 is provided with a drag chain 312; the stability of movement is improved through the drag chain 312, which is convenient for ensuring the stability of the printed circuit board in the conveying process. One end of the drag chain 312 is provided with a discharging end part of the small portal frame 311; the other end of the drag chain 312 is fixedly connected with the rear part of the horizontal moving block 34 through a drag chain connecting plate.
During operation, this horizontal migration device 3 drives horizontal rotating shaft 33 through horizontal motor 32 and rotates to make horizontal rotating shaft 33 drive through horizontal movable block 34 and get material connecting plate 40 and remove about, and then carry out the level with printed circuit board and carry to the detection zone and carry to the unloading district. The device is convenient for carry out horizontal transport with printed circuit board, improves horizontal transport's stability simultaneously.
The number of the material taking devices 4 is two, and the material taking devices are respectively arranged on the feeding part and the discharging part of the material taking connecting plate 40; the material taking device 4 comprises a material taking support plate 41, a material taking slide rail 42, a material taking cylinder 43, a material taking sliding frame 44 and two material taking suction nozzle fixing rods 45; the material taking support plate 41 is vertically arranged on the material taking connecting plate 40, and the material taking sliding frame 44 is vertically arranged at the front part of the material taking support plate 41 through the material taking sliding rail 42; the fixed part of the material taking cylinder 43 is arranged at the top of the material taking support plate 41; the moving part of the material taking cylinder 43 is fixedly connected with the top of the material taking sliding frame 44; a material taking drag chain assembly 441 is further arranged on one side of the material taking sliding frame 44; two material taking suction nozzle fixing rods 45 are arranged at the left end and the right end of the front end of the bottom of the material taking sliding frame 44 in parallel and aligned mode; the front end and the rear end of each material taking suction nozzle fixing rod 45 are fixedly provided with material taking suction nozzles 46.
During operation, the horizontal moving device 3 drives the material taking support plate 41 to horizontally move through the material taking connection plate 40, and the material taking device 4 is driven by the material taking cylinder 43 to move up and down on the material taking slide rail 42; the material taking sliding frame 44 drives the material taking suction nozzles 46 on the two material taking suction nozzle fixing rods 45 to move downwards to adsorb the printed circuit board on the feeding device 2, the material taking cylinder 43 drives the printed circuit board to move, and the horizontal moving device 3 drives the printed circuit board to move horizontally, so that the printed circuit board is conveyed into the clamping moving device 5. This extracting device 4 drives the material of getting on getting the material suction nozzle dead lever 45 through getting material cylinder 43 and gets material suction nozzle 46 and move steadily, is convenient for adsorb the printed circuit board steadily and move steadily to carry out automatic conveying, alleviate artifical pressure, improve the stability of carrying and the accuracy of location.
As shown in fig. 4, the structure and the use of the grip-moving device 5 are the same as those of embodiment 1.
As shown in fig. 1 and 5, the detection device 6 includes a detection bracket 61, a detection electric cylinder 62, a detection lifting plate 63, a first detection assembly 64, a second detection assembly 65, a detection auxiliary bracket 66, a detection camera 67 and a detection light source 68; the detection electric cylinder 62 is vertically arranged on the detection bracket 61; detect lifter plate 63 and fix the setting on the removal portion that detects electric cylinder 62, and the front side that detects lifter plate 63 is provided with detects tow chain subassembly 631, further increases transmission effect and promotes the stability that detects through detecting tow chain subassembly 631. The first detection assembly 64 and the second detection assembly 65 are respectively arranged at the front side and the rear side of the feeding end face of the detection lifting plate 63; the detection auxiliary bracket 66 is arranged on the detection lifting plate 63; the detection camera 67 is arranged at the upper part of the detection auxiliary bracket 66, and the detection camera 67 is convenient for better positioning and observation; the detection light source 68 is arranged at the lower part of the detection auxiliary support 66, and the detection light source 68 improves the visibility of the camera observation and more effectively increases the positioning precision, thereby improving the detection quality. The center of the detection camera 67 and the center of the detection light source 68 are aligned, so that the best image can be detected conveniently, and the detection effect is improved. The first detection assembly 64 and the second detection assembly 65 are identical in structure; the first detecting assembly 64 includes a detecting cylinder 641, a detecting moving block 642, and a probe fixing block 643; the detection cylinder 641 is vertically arranged on the detection lifting plate 63, and the detection moving block 642 is fixedly connected with the lower end of the detection cylinder 641; the probe fixing block 643 is arranged at the feeding end of the detection moving block 642, and the lower portion of the probe fixing block 643 is in a chamfered table shape, so that the probe fixing block 643 can be better matched with a printed circuit board, and the damage of the probe fixing block 643 to the elements of the printed circuit board is reduced. The bottom of the probe fixing block 643 is provided with two detection probes 644, and the detection quality and the detection efficiency are further improved by the two detection probes 644. The distance between the two detection probes 644 on the first detection assembly 64 is less than the distance between the two detection probes 644 on the second detection assembly 65. Can detect different check points through two sets of determine module, improve detection efficiency, carry out multiple detection, increase the quantity and the kind that detect.
In operation, the detection device 6 turns on the detection light source 68 and the detection camera 67, records and positions the structure on the printed circuit board through the detection camera 67, drives the two detection cylinders 641 on the detection lifting plate 63 to lift through the detection electric cylinder 62, and drives the probe fixing block 643 on the detection moving block 642 to lift through the detection cylinders 641, so that the two detection probes 644 on the probe fixing block 643 detect the electronic components on the printed circuit board; due to the different distances between the two detection probes 644 on the first detection assembly 64 and the second detection assembly 65, different detection points on the printed circuit board can be detected, and the detection efficiency and the detection quality are improved.
The detection device 6 improves the observation definition of the detection camera 67 by matching the detection camera 67 with the detection light source 68, and is convenient for better positioning, so that the detection precision and the detection efficiency are improved; multiple detection can be carried out through two sets of determine module, increase the quantity and the kind that detect to improve detection efficiency and detection quality.
As shown in fig. 1 and 2, the unqualified blanking module 71, the qualified blanking module 72 and the feeding device 2 are parallel to each other and aligned, and the unqualified blanking module 71, the qualified blanking module 72 and the feeding device 2 have the same structure. During operation, the detected printed circuit board is respectively placed on the unqualified blanking module 71 and the qualified blanking module 72 according to whether the printed circuit board is qualified, and the unqualified blanking module 71 and the qualified blanking module 72 move down and take out the detected printed circuit board according to the working principle of the feeding device 2.
A detection method of a printed circuit board sequentially comprises the following steps:
absorbing and feeding materials: placing the printed circuit board on a feeding moving frame 22 in a feeding device 2, driving a feeding moving rod 27 to rotate through a feeding motor 23 so as to be matched with a feeding matching block 28, and driving the printed circuit board on the feeding moving frame 22 to move upwards for feeding;
(II) conveying and positioning: the horizontal motor 32 in the horizontal moving device 3 drives the horizontal rotating shaft 33 to rotate, so that the horizontal moving block 34 drives the material taking device 4 to move above the material taking device 2, the material taking cylinder 43 drives the material taking suction nozzle 46 to absorb the printed circuit board on the material taking device 2, and the printed circuit board is conveyed into the clamping and moving device 5 through the horizontal moving device 3 and the material taking device 4;
(III) clamping detection: the printed circuit board is clamped and fixed by three clamping assemblies 59 and a jacking assembly 8 on the clamping and moving device 5; adjusted to a specified temperature by the heating assembly 9; turning on the detection camera 67 and the detection light source 68 on the detection device 6, and moving the detection element to the position below the detection probe 644 on the first detection assembly 64 and the second detection assembly 65 by moving the electric cylinder 52 back and forth and moving the electric cylinder 55 left and right; the detection cylinder 641 drives the detection probe 644 to move downwards for detection;
(IV) sucking and blanking: the detected printed circuit boards are conveyed to the blanking device 7 through the cooperation of the horizontal moving device 3 and the material taking device 4, qualified products are placed on the qualified blanking module 72 and are blanked, and unqualified products are placed on the unqualified blanking module 71 and are blanked.
The equipment is convenient for stably conveying the printed circuit board through the feeding device 2, and the feeding efficiency is improved; the material taking cylinder 43 on the material taking device 4 drives the material taking suction nozzle 46 on the material taking suction nozzle fixing rod 45 to stably move, so that the printed circuit board is conveniently and stably adsorbed and moved, and the conveying stability and the positioning accuracy are improved; the electric cylinder 52 moves forwards and backwards and the electric cylinder 55 moves leftwards and rightwards in the clamping moving device 5, so that the detection of any point position is facilitated, the detection comprehensiveness is improved, and the detection efficiency is improved; the three clamping assemblies 59 are used for facilitating better clamping and fixing of printed circuit boards with different sizes; the jacking cylinder 81 in the jacking assembly 8 drives the jacking block 82 to jack up so as to prop against the bottom of the printed circuit board and keep the flatness during detection; the stability of the printed circuit board is regulated and controlled by the heating component 9, so that the detection is convenient at the optimal temperature; the detection device 6 improves the detection quality by matching the detection camera 67 with the detection light source 68. In summary, the technical effect of the patent is high detection universality; the detection points are multiple, the detection efficiency is excellent, the detection quality is high, products are distinguished after detection, the processing steps are simplified, and the processing efficiency is high.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention, including any reference to the above-mentioned embodiments. Various modifications to these embodiments will be readily apparent to those skilled in the art. The general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. The clamping device for detecting the printed circuit board is characterized by comprising a clamping movable supporting plate (50), a front and back moving supporting plate (51), a front and back moving electric cylinder (52), a front and back moving sliding rail (53), a left and right moving supporting plate (54), a left and right moving electric cylinder (55), a left and right moving sliding rail (56), a clamping movable plate (58) and three clamping components (59); the front-back moving electric cylinder (52) and the front-back moving slide rail (53) are respectively arranged on the clamping moving support plate (50); the left part of the front-back moving support plate (51) is arranged on the moving part of the front-back moving electric cylinder (52), the right part of the front-back moving support plate (51) is arranged on the front-back moving slide rail (53), and the front-back moving support plate (51) is driven by the front-back moving electric cylinder (52) to move front and back on the front-back moving slide rail (53); the front part of the left-right moving support plate (54) is arranged on the front part of the front-back moving support plate (51) through a left-right moving electric cylinder (55); the rear part of the left-right moving support plate (54) is arranged on the rear part of the front-back moving support plate (51) through a left-right moving slide rail (56); the left-right moving electric cylinder (55) drives the left-right moving support plate (54) to move left and right on the left-right moving slide rail (56); the clamping moving plate (58) is arranged on the left-right moving support plate (54) through a clamping slide rail (581), and the clamping moving plate (58) is fixed through a fixed nut (582); the clamping moving plate (58) is provided with an adjusting slide rail (583); one of the three clamping assemblies (59) is arranged at the left rear part of the left-right moving support plate (54) through a vertical clamping slide rail (590) and is arranged forwards, the other two clamping assemblies are arranged on the adjusting slide rail (583) and are arranged towards the feeding end, and the clamping assemblies (59) of the adjusting slide rail (583) are fixed through adjusting fixing nuts (584).
2. A clamping device for pcb inspection as claimed in claim 1, wherein the three clamping assemblies (59) are identical in structure; each clamping assembly (59) comprises a clamping base (591), a clamping cylinder (592), a clamping fixed block (593) and a U-shaped supporting plate (594); the clamping cylinder (592) is arranged on the clamping base (591), and the clamping fixed block (593) is fixedly connected with the moving part of the clamping cylinder (592); the U-shaped supporting plate (594) is arranged at the bottom of the clamping base (591) through a connecting block; and the clamping fixing block (593) is positioned in a U-shaped groove of the U-shaped supporting plate (594).
3. The clamping device for the printed circuit board detection as claimed in claim 2, wherein the widths of the two open side plates of the U-shaped supporting plate (594) on the three clamping assemblies (59) are different.
4. The clamping device for the PCB inspection as claimed in claim 2, wherein the thickness of the two open side plates of the U-shaped supporting plate (594) is smaller than that of the middle plate.
5. The clamping device for the PCB inspection as recited in claim 1, wherein said left and right supporting plates (54) have a hollow square cross section.
6. The clamping device for detecting the printed circuit board according to claim 1, wherein a jacking assembly (8) is further arranged on the clamping movable supporting plate (50), and the jacking assembly (8) comprises a jacking cylinder (81) and a jacking block (82); the jacking cylinder (81) is arranged on the clamping movable supporting plate (50) through a jacking fixing block, the jacking block (82) is arranged on a moving part of the jacking cylinder (81), and the jacking block (82) penetrates through the front-back moving supporting plate (51) and is located below a neutral position of the left-right moving supporting plate (54).
7. The clamping device for the detection of the printed circuit board as claimed in claim 1, characterized in that the clamping moving support plate (50) is further provided with a heating assembly (9); the heating assembly (9) comprises a heating cylinder (91) and a heating block (92); the heating cylinder (91) is arranged on the clamping movable supporting plate (50) through a heating fixing block, the heating block (92) is arranged on a moving part of the heating cylinder (91), and the heating block (92) penetrates through the front-back moving supporting plate (51) and is located below a neutral position of the left-right moving supporting plate (54).
8. A method for clamping a printed circuit board, characterized in that the method employs a clamping device as claimed in any one of claims 1 to 7; sequentially comprises the following steps: the printed circuit board is placed on a U-shaped supporting plate (594) of three clamping assemblies (59), and a clamping fixing block (593) is driven by clamping cylinders (592) on the three clamping assemblies (59) to clamp and fix the printed circuit board in a free space of a left-right moving supporting plate (54); secondly, the front-back moving support plate (51) is driven by the front-back moving electric cylinder (52) to move front and back by the front-back moving slide rail (53), and the left-right moving support plate (54) is driven by the left-right moving electric cylinder (55) to move left and right by the left-right moving slide rail (56), so that the printed circuit board is moved to an appointed detection position; and thirdly, the printed circuit board reaches the specified temperature through a heating block (92) on the heating assembly (9), and meanwhile, the jacking block (82) on the jacking assembly (8) props against the bottom of the printed circuit board to play a supporting role.
9. A printed circuit board detection device is characterized by comprising a rack (1), a feeding device (2), a horizontal moving device (3), a taking device (4), a detection device (6), a blanking device (7) and a clamping device as claimed in any one of claims 1 to 7; the feeding device (2) is used for feeding the printed circuit board; the horizontal moving device (3) drives the printed circuit board on the material taking device (4) to move horizontally, and the material taking device (4) is used for completing material feeding and discharging; the detection device (6) is used for detecting the qualified condition of the printed circuit board on the clamping moving device (5); the blanking device (7) is used for blanking the printed circuit board.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910559541.0A CN110412316B (en) | 2019-06-26 | 2019-06-26 | Clamping device for detecting printed circuit board |
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| CN201910559541.0A CN110412316B (en) | 2019-06-26 | 2019-06-26 | Clamping device for detecting printed circuit board |
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| CN110412316A CN110412316A (en) | 2019-11-05 |
| CN110412316B true CN110412316B (en) | 2021-06-01 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114325339B (en) * | 2021-12-31 | 2024-04-05 | 苏州思迈尔电子设备有限公司 | Sensor circuit board detection device and detection method thereof |
| CN114295966B (en) * | 2022-03-10 | 2022-05-20 | 四川英创力电子科技股份有限公司 | System and method for fully automatically testing retraction of printed circuit board |
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Effective date of registration: 20210511 Address after: 518000 9th floor, building a, No. 50, Zhuangcun Road, Shajing street, Bao'an District, Shenzhen City, Guangdong Province Applicant after: SHENZHEN TONGCHUANG PRECISION AUTOMATION EQUIPMENT Co.,Ltd. Address before: 202-4, 2 / F, building 11, incubator, science and Technology Park, Wenzhou National University, 38 Dongfang South Road, Ouhai Economic Development Zone, Wenzhou City, Zhejiang Province 325016 Applicant before: Wenzhou Yuanli Intelligent Technology Co.,Ltd. |
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