CN115655921A - Multilayer circuit board electrical components firmness detection device - Google Patents
Multilayer circuit board electrical components firmness detection device Download PDFInfo
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- CN115655921A CN115655921A CN202211383191.5A CN202211383191A CN115655921A CN 115655921 A CN115655921 A CN 115655921A CN 202211383191 A CN202211383191 A CN 202211383191A CN 115655921 A CN115655921 A CN 115655921A
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- 238000000034 method Methods 0.000 description 10
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- 238000010926 purge Methods 0.000 description 3
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- 238000004519 manufacturing process Methods 0.000 description 2
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- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000005341 toughened glass Substances 0.000 description 1
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 description 1
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Abstract
The invention discloses a device for detecting firmness of electrical components of a multilayer circuit board, and belongs to the technical field of detection of multilayer circuit boards. A firmness detection device for electrical components of a multilayer circuit board comprises a detection box, a concave mounting seat and a vibration part, wherein the concave mounting seat is symmetrically arranged at two ends in the detection box, a swinging rod for driving the mounting seat to swing is rotatably connected in the detection box, a floating roller for clamping the upper side and the lower side of the multilayer circuit board is arranged in the mounting seat, and the vibration part is arranged in the floating roller; a detection module for detecting the circuit board is arranged in the detection box in a sliding manner; according to the invention, through bending and vibrating the multilayer circuit board, on one hand, the influence of vibration and bending deformation on the multilayer circuit board can be known, and on the other hand, through bending and vibrating, the welding firmness of the electrical appliance element can be detected, so that the problem of solder omission or insufficient soldering is more clearly and clearly presented, the detection is convenient to find, and the detection efficiency and the detection accuracy are improved.
Description
Technical Field
The invention relates to the technical field of multilayer circuit board detection, in particular to a firmness detection device for an electrical component of a multilayer circuit board.
Background
The circuit board is divided into a single-sided board, a double-sided board and a multi-layer circuit board according to the number of layers, firstly, the single-sided board is a single-sided board, parts are concentrated on one side of the most basic printed circuit board, wires are concentrated on the other side of the most basic printed circuit board, the printed circuit board is called a single-sided circuit board because the wires are only present on one side of the most basic printed circuit board, the single-sided board is generally simple to manufacture and low in manufacturing cost, but the single-sided board is an extension of the single-sided board, when single-layer wiring cannot meet the requirements of electronic products, the double-sided board is used, copper-clad wires are arranged on both sides of the double-sided board, and circuits between two layers can be conducted through holes to form required multi-layer board network connection, the multi-layer circuit board is formed by laminating more than three conductive pattern layers and insulating materials between the conductive patterns at intervals, the conductive patterns are interconnected according to requirements, the multi-layer circuit board is a product developed towards high speed, multiple functions, large capacity, small volume, thinning and light weight, and the circuit board is divided into a soft board, a hard board and a soft and a hard combination board according to the characteristics.
At the present stage, in the batch production of the multilayer circuit board, generally, the chip mounter completes the chip mounting work, the chip mounter compares with manual welding, the precision and the efficiency are both greatly improved, but in the practical use, the problem of poor circuit welding is difficult to avoid, therefore, after the processing of the multilayer circuit board is completed, the multilayer circuit board needs to be subjected to vibration resistance, compression and detection of the fixing firmness degree of a surface element, the processing quality of the circuit board is convenient to know, the multilayer circuit board is prevented from generating faults due to quality failure in the using process, and when the detection is carried out, the circuit board is generally detected manually, so that the detection efficiency is low, and a certain uncertainty exists in the result.
Disclosure of Invention
The invention aims to solve the problems that in the prior art, the detection efficiency is low and the result has certain uncertainty due to manual detection of a circuit board, and provides a device for detecting the firmness of an electric element of a multilayer circuit board.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a multilayer circuit board electrical components firmness detection device, includes the detection case, still includes: the detection box comprises a detection box, a mounting seat in a concave shape, a swinging rod and a vibrating part, wherein the mounting seat is symmetrically arranged at two ends in the detection box, the swinging rod for driving the mounting seat to swing is rotationally connected in the detection box, a floating roller for clamping the upper side and the lower side of the multilayer circuit board is arranged in the mounting seat, and the vibrating part is arranged in the floating roller; the detection box is internally provided with a detection module used for detecting the circuit board in a sliding manner.
In order to clamp the multilayer wiring board, it is preferable that the multilayer wiring board further comprises: the air cylinders are fixedly arranged on the mounting seat, wherein two groups of air cylinders are symmetrically arranged, the output ends of the two groups of air cylinders are fixedly connected with sleeves, slide rods are connected in the sleeves in a sliding manner, the floating rollers are fixedly connected to the bottoms of the slide rods, and the floating rollers are rotatably connected with clamping rollers for clamping the upper side and the lower side of the multilayer circuit board; the sliding rod is sleeved with a first spring, and two ends of the first spring are respectively abutted to the sleeve and the sliding rod.
In order to prevent the floating roller from rotating during clamping, further, a guide rod is fixedly connected to the floating roller, and a guide hole in sliding connection with the guide rod is formed in the mounting seat.
In order to detect the vibration of the multilayer circuit board, preferably, the vibration part comprises an eccentric wheel, a vibration cavity is formed in the floating roller, a motor is fixedly arranged in the vibration cavity, and the eccentric wheel is fixedly connected to the output end of the motor.
In order to facilitate the driving of the installation seat to swing, preferably, a rotating shaft is fixedly arranged in the detection box, the swinging rod is rotatably connected to the rotating shaft, the swinging rod is L-shaped, the short side of the swinging rod is fixedly connected with the installation seat, a driving part is arranged in the detection box, and the long side of the swinging rod is connected with the driving part.
In order to better drive the swinging rod to swing, further, the driving part comprises: the driving box is fixedly arranged in the detection box, a first cavity, a second cavity and a third cavity are formed in the driving box, piston blocks are connected in the second cavity and the third cavity in a sliding mode, a driving rod is fixedly connected to the piston blocks, a second rotating shaft is fixedly connected to one end, away from the piston blocks, of the driving rod, and a limiting groove in sliding connection with the second rotating shaft is formed in the swinging rod; the detection box is fixedly connected with a first pipeline communicated with the first chamber, and the second chamber and the third chamber are respectively communicated with the first chamber.
In order to enable the piston block to automatically reset, a second spring is sleeved on the driving rod, and two ends of the second spring are respectively abutted against the piston block and the driving box.
In order to make the detection module can the slip detection, furtherly, the guide way has been seted up in the detection case, sliding connection has the supporting seat in the guide way, detection module fixed connection is at the supporting seat top, be provided with the gasbag in the guide way, the gasbag both ends respectively with guide way inner wall and supporting seat fixed connection, cavity one is linked together through pipeline two and gasbag, just fixedly connected with check valve on the pipeline two.
In order to purge the multilayer circuit board, a nozzle for purging the multilayer circuit board is further fixedly arranged on the supporting seat, the air bag is communicated with the nozzle through a third pipeline, and a valve is fixedly connected to the third pipeline.
In order to prevent the electrical component from flying out and injuring people during detection, preferably, the top of the detection box is rotatably connected with a box cover, an elastic buckle is fixedly connected to the box cover, and a clamping groove clamped with the elastic buckle is formed in the detection box.
Compared with the prior art, the invention provides a device for detecting firmness of electrical elements of a multilayer circuit board, which has the following beneficial effects:
1. according to the multilayer circuit board electrical component firmness detection device, the multilayer circuit board is bent and vibrated, so that the influence of vibration and bending deformation on the multilayer circuit board can be known, and the electrical component can be firmly welded through bending and vibration, so that the problem of solder missing or insufficient welding is more clearly and clearly presented, the detection efficiency and the detection accuracy are improved;
2. according to the device for detecting the firmness of the electrical component of the multilayer circuit board, the welded pins are scanned and photographed through the detection module, the two photographing comparisons are performed and compared with the standard photograph, the problems of welding before and after vibration and bending can be found in time, the detection of the firmness of the connection of the electrical component is realized, and the detection accuracy and the detection efficiency are improved;
3. this multilayer circuit board electrical components firmness detection device sweeps multilayer circuit board through the nozzle, can blow off the welding slag from multilayer circuit board, clears up multilayer circuit board, can make detection module discover more easily and leak welding or false solder joint, improves detection accuracy.
The device has the advantages that the influence of vibration and bending deformation on the multilayer circuit board can be known on one hand by bending and vibrating the multilayer circuit board, and on the other hand, the welding firmness of the electrical appliance element can be detected by bending and vibrating, so that the problem of solder omission or insufficient soldering is more clearly shown, the detection is convenient to find, and the detection efficiency and the detection accuracy are improved.
Drawings
FIG. 1 is a schematic structural diagram of a detection box of the device for detecting firmness of electrical components of a multilayer circuit board according to the present invention;
FIG. 2 is an enlarged view of the portion A in FIG. 1 of the device for detecting the firmness of electrical components of a multi-layer circuit board according to the present invention;
FIG. 3 is an enlarged view of the portion B in FIG. 1 of the device for detecting the firmness of electrical components of a multi-layer circuit board according to the present invention;
fig. 4 is a schematic structural diagram of a mounting base of the firmness detection device for electrical components of a multilayer circuit board according to the present invention.
In the figure: 1. a detection box; 101. a support pad; 102. a guide groove; 2. a mounting seat; 201. a swing lever; 202. a limiting groove; 3. a drive box; 301. a piston block; 302. a drive rod; 303. a second rotating shaft; 304. a first pipeline; 305. a second pipeline; 306. a first chamber; 4. a cylinder; 401. a sleeve; 402. a slide bar; 403. a first spring; 5. a floating roll; 501. a grip roller; 502. a guide bar; 6. an eccentric wheel; 7. an air bag; 701. a third pipeline; 8. a supporting seat; 801. a detection module; 802. a nozzle; 9. a box cover; 901. an elastic buckle.
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 orientations or positional relationships shown in the drawings, are merely 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 and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Example (b):
referring to fig. 1-4, a multilayer circuit board electrical components firmness detection device, including top rotation connection with detection case 1 of case lid 9, case lid 9 rotates through the hinge and connects at detection case 1 top, the one end fixed connection elasticity buckle 901 that keeps away from the hinge on case lid 9, case lid 9 is transparent ya keli board or toughened glass, set up the draw-in groove with elasticity buckle 901 looks block on the detection case 1, when doing vibration or buckling detection, can prevent that electrical components from coming off or multilayer circuit board rupture piece jump out and hurting people from multilayer circuit board, lead to the incident when detecting, can go to observe the detection condition in the detection case 1 through transparent case lid 9, help combining the detection data to master the detection condition in real time, improve and detect the precision, detection case 1 bottom fixedly connected with supporting pad 101, supporting pad 101 is made for rubber or nylon, can reduce the vibrations transmission that detection case 1 produced when detecting on the object on every side, still include: the concave-shaped mounting seats 2 are symmetrically arranged at two ends in the detection box 1, the swing rods 201 used for driving the mounting seats 2 to swing are rotationally connected in the detection box 1, when the detection box is used, the mounting seats 2 can be driven to swing together through the swing of the swing rods 201, slight bending detection can be carried out on the multilayer circuit board, the phenomenon that the multilayer circuit board is bent and deformed due to the fact that the mounting surface is uneven or fastening screws do not exert force uniformly in the actual mounting process is simulated, the multilayer circuit board is broken or electric elements are connected and loosened, and normal use of the multilayer circuit board is affected is simulated, wherein floating rollers 5 used for clamping the upper side and the lower side of the multilayer circuit board are arranged in the mounting seats 2, vibration parts are arranged in the floating rollers 5, through simulated vibration, the firmness degree of connection between the electric elements and the multilayer circuit board can be detected, missing welding or false welding can be found in time, the processing quality of the circuit board can be conveniently known, and the multilayer circuit board is prevented from being subjected to failure in the using process; the detection box 1 is internally provided with a detection module 801 used for detecting a circuit board in a sliding manner, the detection module 801 adopts the existing image detection technology, and the detection module automatically judges whether the welding between the electrical component and the multilayer circuit board has missing welding or insufficient welding by photographing and comparing welding pins at the joint of the multilayer circuit board and the electrical component, so that the detection efficiency and the detection precision are improved.
When the multilayer circuit board clamp is used, a plurality of groups of multilayer circuit boards are taken out from a product line, detection errors can be reduced, detection uncertainty is avoided, then a box cover 9 is opened, the multilayer circuit boards are placed on clamping rollers 501, the box cover 9 is closed, a cylinder 4 is started to drive a sleeve 401 to extend out, the sleeve 401 drives a sliding rod 402 and a floating roller 5 fixed on the sliding rod 402 to extend out through a first spring 403, the clamping rollers 501 on the upper side and the lower side inside a mounting seat 2 are mutually close to clamp the multilayer circuit boards, after clamping is completed, gas is introduced into a first chamber 306 through a first pipeline 304, and because the resistance in the second chamber and a third chamber is larger than that of an air bag 7, the gas enters the air bag 7 through a second pipeline 305 with a one-way valve, the air bag 7 expands to push a support seat 8 to slide rightwards, and a detection module 801 can scan and photograph a contact point at the bottom of the multilayer circuit boards in a sliding process, stopping the remote movement when the supporting seat 8 drives the detection module 801 to move to the rightmost side, at the moment, after the air bag 7 is filled with air, the air in the first chamber 306 is inflated into the second chamber and the third chamber at the same time, the air pushes the piston block 301 to slide in the corresponding chambers, the driving rod 302 drives the oscillating rod 201 to slightly oscillate through the second rotating shaft 303, in the process, the mounting seats 2 on the two sides simultaneously slightly oscillate downwards to bend the multilayer circuit board, the multilayer circuit board can be subjected to repeated bending detection by continuously inflating and deflating the first chamber 306 under the matching of the second spring, in the bending process, pins subjected to virtual welding or solder leakage can be separated from the multilayer circuit board, the welding problem can be conveniently found, the processing quality of the circuit board can be known, after the bending detection is finished, the motor is started to drive the eccentric wheel 6 to rotate in the vibration cavity, when the eccentric wheel 6 rotates at a high speed, the motor and the floating roller 5 can vibrate, then the floating roller 5 transmits vibration to the multilayer circuit board through the clamping roller 501, the multilayer circuit board is subjected to vibration detection, the rosin joint or the missing welded pins can be vibrated and fall off from the multilayer circuit board, problems can be quickly found, after vibration is carried out for a period of time, vibration is stopped, a valve on a pipeline three 701 is opened, gas in the air bag 7 enters the nozzle 802 through the pipeline three 701, in the process, the supporting seat 8 slides from right to left to carry out return stroke, the nozzle 802 can sweep the multilayer circuit board in the return stroke, the missing welding or the missing welding points can be found more easily by the detection module 801, the welded pins are scanned and photographed by the detection module 801 again, the two times of photographing are respectively compared with standard photos, the vibration and the welding problems before and after bending can be found in time, the detection of the connection degree of the electrical appliance element is realized, and the detection accuracy and the detection efficiency are improved.
Referring to fig. 1, 2 and 4, the firmness detection device for electrical components of multilayer circuit board further comprises: the air cylinders 4 are fixedly arranged on the mounting seat 2, wherein two groups of air cylinders 4 are symmetrically arranged, the output ends of the two groups of air cylinders 4 are fixedly connected with sleeves 401, sliding rods 402 are connected in the sleeves 401 in a sliding manner, the floating rollers 5 are fixedly connected to the bottoms of the sliding rods 402, the floating rollers 5 are rotatably connected with clamping rollers 501 used for clamping the upper side and the lower side of the multilayer circuit board, when the multilayer circuit board is bent, the multilayer circuit board can slide to a certain degree relative to the mounting seat 2, the rotating clamping rollers 501 can avoid scratching the upper side and the lower side of the multilayer circuit board, and the quality of the multilayer circuit board is improved; the sliding rod 402 is sleeved with a first spring 403, and two ends of the first spring 403 respectively abut against the sleeve 401 and the sliding rod 402, so that the clamping roller 501 can be always clamped on the upper side and the lower side of the multilayer circuit board during bending or vibration. Fixedly connected with guide bar 502 on the dancer roll 5, set up the guiding hole with guide bar 502 sliding connection on the mount pad 2, can prevent that dancer roll 5 from taking place to rotate at the centre gripping in-process, lead to can not correctly centre gripping, can bump electrical components even, when using, place the multilayer circuit board on pinch roll 501, start cylinder 4 area sleeve 401 and stretch out, sleeve 401 stretches out through spring 403 drive slide bar 402 and the dancer roll 5 of fixing on slide bar 402, make inside upper and lower side pinch roll 501 of mount pad 2 be close to each other and live the centre gripping of multilayer circuit board.
Referring to fig. 1 and 2, the vibration portion includes eccentric wheel 6, and the vibration chamber has been seted up in floating roll 5, and the vibration intracavity is fixed to be provided with the motor, and eccentric wheel 6 fixed connection is at the motor output, and starting motor drives eccentric wheel 6 and rotates at the vibration intracavity, can make motor and floating roll 5 take place the vibration when eccentric wheel 6 rotates at a high speed, then floating roll 5 passes through the clamping roller 501 with the vibration transmission to the multilayer circuit board on, carry out vibration detection to the multilayer circuit board.
Referring to fig. 1, the fixed pivot that is provided with in detection case 1, swinging arms 201 rotate to be connected in the pivot, and swinging arms 201 is the L shape, and swinging arms 201 minor face and mount pad 2 fixed connection, is provided with the drive division in the detection case 1, and the long limit of swinging arms 201 is connected with the drive division, and when using, when actuating lever 302 stretches out, can promote the long limit of swinging arms 201 and revolve the pivot swing, and swinging arms 201 minor face then can take mount pad 2 to revolve the pivot together and swing, realizes buckling the detection to the multilayer circuit board.
Referring to fig. 1, the driving part includes: the driving box 3 is fixedly arranged in the detection box 1, wherein a first chamber 306, a second chamber and a third chamber are arranged in the driving box 3, a piston block 301 is connected in the second chamber and the third chamber in a sliding manner, a driving rod 302 is fixedly connected to the piston block 301, a second rotating shaft 303 is fixedly connected to one end, far away from the piston block 301, of the driving rod 302, and a limit groove 202 in sliding connection with the second rotating shaft 303 is formed in the oscillating rod 201; the first pipeline 304 communicated with the first chamber 306 is fixedly connected to the detection box 1, and the second chamber and the third chamber are respectively communicated with the first chamber 306. The driving rod 302 is sleeved with a second spring for resetting the piston block 301, two ends of the second spring are respectively abutted against the piston block 301 and the driving box 3, when the device is used, gas is introduced into the first chamber 306 through the first pipeline 304, then the gas in the first chamber 306 is simultaneously inflated into the second chamber and the third chamber, the gas pushes the piston block 301 to slide in the corresponding chambers, the driving rod 302 drives the long edge of the oscillating rod 201 to slightly oscillate through the second rotating shaft 303, after the inflation is finished, the piston block 301 is reset under the action of the second spring, the driving rod 302 drives the oscillating rod 201 to reset through the second rotating shaft 303, a bending test is completed, the first chamber 306 is continuously inflated and deflated, multiple bending detection can be performed on the multilayer circuit board under the cooperation of the second spring, in the bending process, pins subjected to false soldering or missed soldering can be separated from the multilayer circuit board, and the welding problem can be found conveniently.
Referring to fig. 1 and 3, a guide groove 102 is formed in a detection box 1, a support seat 8 is slidably connected in the guide groove 102, a detection module 801 is fixedly connected to the top of the support seat 8, an airbag 7 is arranged in the guide groove 102, the airbag 7 adopts an elastic airbag 7, when a valve on a pipeline three 701 is opened, the airbag 7 automatically contracts to discharge gas in the airbag through the pipeline three 701, two ends of the airbag 7 are respectively and fixedly connected with the inner wall of the guide groove 102 and the support seat 8, a first chamber 306 is communicated with the airbag 7 through a second pipeline 305, and a check valve is fixedly connected on the second pipeline 305, the gas can enter the airbag 7 from the first chamber 306 through the check valve, so that the gas in the airbag 7 can be prevented from flowing back to the first chamber 306, lead to detection module 801 to scan in succession and shoot, the resource waste, fixed being provided with on supporting seat 8 is used for nozzle 802 to the multilayer circuit board purge, gasbag 7 is linked together with nozzle 802 through pipeline three 701, fixedly connected with valve on pipeline three 701, the valve is the solenoid valve, when using, open the valve on pipeline three 701, gas in the gasbag 7 gets into in the nozzle 802 through pipeline three 701, in this process, supporting seat 8 slides from right side to left and carries out the return stroke, nozzle 802 can sweep the multilayer circuit board when the return stroke, can make detection module 801 discover more easily and leak welding or false solder joint, improve the detection accuracy, detection module 801 also scans the pin of welding once more and shoots.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. The utility model provides a multilayer circuit board electrical components firmness detection device, includes detection case (1), its characterized in that still includes:
the concave mounting seats (2) are symmetrically arranged at two ends of the interior of the detection box (1), the detection box (1) is rotatably connected with a swinging rod (201) used for driving the mounting seats (2) to swing,
the mounting seat (2) is internally provided with a floating roller (5) used for clamping the upper side and the lower side of the multilayer circuit board, and the floating roller (5) is internally provided with a vibration part;
a detection module (801) for detecting a circuit board is arranged in the detection box (1) in a sliding mode.
2. The device for detecting firmness of an electrical component of a multilayer circuit board according to claim 1, further comprising:
a cylinder (4) fixedly arranged on the mounting seat (2),
the device comprises two groups of cylinders (4), wherein the two groups of cylinders (4) are symmetrically arranged, the output ends of the two groups of cylinders (4) are fixedly connected with sleeves (401), slide rods (402) are connected in the sleeves (401) in a sliding mode, floating rollers (5) are fixedly connected to the bottoms of the slide rods (402), and clamping rollers (501) used for clamping the upper side and the lower side of a multilayer circuit board are rotatably connected to the floating rollers (5);
the sliding rod (402) is sleeved with a first spring (403), and two ends of the first spring (403) are respectively abutted against the sleeve (401) and the sliding rod (402).
3. The firmness detection device for the electrical components of the multilayer circuit board as claimed in claim 2, wherein the floating roller (5) is fixedly connected with a guide rod (502), and the mounting base (2) is provided with a guide hole in sliding connection with the guide rod (502).
4. The firmness detection device for the electrical components of the multilayer circuit board according to claim 1, wherein the vibration part comprises an eccentric wheel (6), a vibration cavity is formed in the floating roller (5), a motor is fixedly arranged in the vibration cavity, and the eccentric wheel (6) is fixedly connected to the output end of the motor.
5. The device for detecting the firmness of the electrical elements of the multilayer circuit board as claimed in claim 1, wherein a rotating shaft is fixedly arranged in the detection box (1), the swinging rod (201) is rotatably connected to the rotating shaft, the swinging rod (201) is L-shaped, the short side of the swinging rod (201) is fixedly connected with the mounting seat (2), a driving part is arranged in the detection box (1), and the long side of the swinging rod (201) is connected with the driving part.
6. The device for detecting firmness of an electric element of a multilayer circuit board according to claim 5, wherein the driving part comprises:
a driving box (3) fixedly arranged in the detection box (1),
the device comprises a driving box (3), a first cavity (306), a second cavity and a third cavity, wherein piston blocks (301) are connected in the first cavity and the third cavity in a sliding mode, a driving rod (302) is fixedly connected to each piston block (301), one end, far away from the piston blocks (301), of each driving rod (302) is fixedly connected with a second rotating shaft (303), and a limit groove (202) in sliding connection with the second rotating shaft (303) is formed in each oscillating rod (201);
the detection box (1) is fixedly connected with a first pipeline (304) communicated with a first chamber (306), and the second chamber and the third chamber are respectively communicated with the first chamber (306).
7. The firmness detection device for the electrical components of the multilayer circuit board according to claim 6, wherein a second spring is sleeved on the driving rod (302), and two ends of the second spring respectively abut against the piston block (301) and the driving box (3).
8. The firmness detection device for the electrical components of the multilayer circuit board according to claim 7, wherein a guide groove (102) is formed in the detection box (1), a support seat (8) is slidably connected in the guide groove (102), the detection module (801) is fixedly connected to the top of the support seat (8), an air bag (7) is arranged in the guide groove (102), two ends of the air bag (7) are fixedly connected with the inner wall of the guide groove (102) and the support seat (8), the first chamber (306) is communicated with the air bag (7) through a second pipeline (305), and a one-way valve is fixedly connected to the second pipeline (305).
9. The firmness detection device for the electrical components of the multilayer circuit board according to claim 8, wherein a nozzle (802) used for blowing the multilayer circuit board is fixedly arranged on the supporting seat (8), the air bag (7) is communicated with the nozzle (802) through a pipeline III (701), and a valve is fixedly connected to the pipeline III (701).
10. The firmness detection device for the electrical components of the multilayer circuit board according to claim 1, wherein a box cover (9) is rotatably connected to the top of the detection box (1), an elastic buckle (901) is fixedly connected to the box cover (9), and a slot for engaging with the elastic buckle (901) is formed in the detection box (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211383191.5A CN115655921A (en) | 2022-11-07 | 2022-11-07 | Multilayer circuit board electrical components firmness detection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211383191.5A CN115655921A (en) | 2022-11-07 | 2022-11-07 | Multilayer circuit board electrical components firmness detection device |
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| CN115655921A true CN115655921A (en) | 2023-01-31 |
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| CN202211383191.5A Pending CN115655921A (en) | 2022-11-07 | 2022-11-07 | Multilayer circuit board electrical components firmness detection device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116858480A (en) * | 2023-09-05 | 2023-10-10 | 常州博安和达电子科技有限公司 | Detection device for multilayer circuit board |
| CN118362438A (en) * | 2024-06-06 | 2024-07-19 | 常州市信宝电源设备有限公司 | Circuit board quality testing system for uninterruptible power supply |
-
2022
- 2022-11-07 CN CN202211383191.5A patent/CN115655921A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116858480A (en) * | 2023-09-05 | 2023-10-10 | 常州博安和达电子科技有限公司 | Detection device for multilayer circuit board |
| CN116858480B (en) * | 2023-09-05 | 2023-11-07 | 常州博安和达电子科技有限公司 | Detection device for multilayer circuit board |
| CN118362438A (en) * | 2024-06-06 | 2024-07-19 | 常州市信宝电源设备有限公司 | Circuit board quality testing system for uninterruptible power supply |
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