CN116794492B - PCBA board test fixture - Google Patents
PCBA board test fixture Download PDFInfo
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- CN116794492B CN116794492B CN202311067949.9A CN202311067949A CN116794492B CN 116794492 B CN116794492 B CN 116794492B CN 202311067949 A CN202311067949 A CN 202311067949A CN 116794492 B CN116794492 B CN 116794492B
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- 238000001514 detection method Methods 0.000 claims abstract description 43
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Abstract
The invention belongs to the technical field of test jigs, and particularly relates to a PCBA board test jig which comprises a base and a belt conveyor arranged on one side of the base, wherein a driving and transferring mechanism is fixedly arranged at the upper end of the base, a supporting and connecting supporting mechanism is fixedly arranged at the upper end of the driving and transferring mechanism, a circuit board fixing and clamping mechanism is arranged in the supporting and connecting supporting mechanism, and a circuit detection mechanism is fixedly arranged at the upper end of the base. The invention can realize continuous detection operation on a plurality of circuit board bodies, ensures that the test alignment is more accurate, effectively improves the test quality and the test efficiency, avoids the problem that the display effect is easily influenced by electrostatic dust absorption on a data display, does not need additional manual work and cleaning equipment, can realize quick automatic blanking operation, reduces the labor consumption of staff, improves the detection efficiency, and avoids the problem that the PCBA board is easily damaged by manual buckling when taking materials.
Description
Technical Field
The invention belongs to the technical field of test jigs, and particularly relates to a PCBA board test jig.
Background
The PCBA board is the PCB board which is welded and assembled with the electronic component. The PCBA board after the manufacture needs to be tested for the functions of a power supply part, a port and the like, and the PCBA board to be tested is compared with a template to determine whether the PCBA board is qualified or not.
At present, in the use of a PCBA board test fixture, the following problems exist:
1. at present, one PCBA board corresponds to one testing jig, after one PCBA board is tested, the PCBA board is taken out and replaced with a new PCBA board for testing, frequent repeated operation is needed, so that the continuous testing performance is poor, the testing efficiency is affected, and for small-sized factories, the PCBA board is taken and discharged in a manual operation mode, because the PCBA board structure is fine, the PCBA board is easily damaged by manual buckling during taking, and the testing quality and efficiency are affected;
2. PCBA board test fixture can cooperate a display to demonstrate the information that detects, but because dust in the test environment is more, display surface electrostatic adsorption can lead to a lot of dust, influences the display effect, often needs the manual work to clean, uses inconveniently.
Therefore, we propose a PCBA board test fixture to solve the above problems.
Disclosure of Invention
The invention aims at providing a PCBA board test fixture aiming at the problems.
In order to achieve the above purpose, the present invention adopts the following technical scheme: the utility model provides a PCBA board test fixture, includes base and the belt conveyer of setting in base one side, the upper end fixed mounting of base has drive transfer mechanism, drive transfer mechanism's upper end fixed mounting has the tieing supporting mechanism, it has circuit board fixed fixture to place in the tieing supporting mechanism, circuit detection mechanism has still been fixedly installed to the upper end of base, upper end one side fixed mounting of base has the locating plate, install the synchronous drive mechanism who is connected with circuit detection mechanism on the locating plate, the upper end fixed mounting of base has the biax motor that is located between drive transfer mechanism and the locating plate, the both ends output of biax motor is through magnetism inhaling coupling mechanism and drive transfer mechanism and synchronous drive mechanism's input fixed connection respectively, the lateral wall of locating plate still is fixedly installed and is detected terminal machine and PLC controller, the upper end one side of base is fixedly installed and is had the data display, circuit detection mechanism and data display all are connected with detection terminal machine electric signal, install speed reduction buffer mechanism between drive mechanism and the tieing supporting mechanism, the upper end of data display is fixed with the air-blowing buffer mechanism and is blown and is cleared up the air buffer mechanism and is linked;
the driving transfer mechanism, the bracket supporting mechanism and the magnetic attraction connecting mechanism are all electrically connected with the PLC.
In the above-mentioned PCBA board test fixture, drive transfer mechanism includes two symmetrical fixedly connected with at the curb plate of base upper end, two rotate through the bearing between the curb plate and be connected with the rotation screw rod, two symmetrical fixedly connected with two direction slide bars about still between the curb plate, two sliding blocks have been cup jointed in the outer symmetry slip of direction slide bar, four sliding block's upper end fixed connection is in the lower extreme of holding up and connect supporting mechanism, is located the rear side curb plate with be located the rear side fixedly connected with a plurality of sleeves are established the pullback spring outside the direction slide bar between the sliding block, the lower extreme symmetry fixedly connected with many electric putter of holding up and connect supporting mechanism, many electric putter's lower extreme output fixedly connected with one arc spiral plate, arc spiral plate and rotation screw rod threaded connection.
In the above-mentioned PCBA board test fixture, hold in the palm and connect supporting mechanism and hold in the palm the seat including cavity, the embedded groove that is used for the fixed fixture of circuit board to place is offered to the upper end of cavity to hold in the palm the seat, both sides and rear side all fixedly connected with are contradicted the fender guard board in the fixed fixture outside of circuit board around the upper end of cavity holds in the seat, the inner wall of cavity holds in the palm the seat still symmetry fixedly connected with many vertical pole settings, many the pole setting has slided outward and has cup jointed same lifter plate, the upper end of lifter plate is through a plurality of backing rolls of many support column fixedly connected with, a plurality of through openings that are used for the backing roll to run through and stretch out are offered to the upper end of cavity holds in the seat, the upper end of lifter plate and the inner wall top fixedly connected with of cavity holds in the seat a plurality of cover respectively establish the outer push down spring of pole setting, the inner wall bottom fixedly connected with top of cavity holds in the seat pushes away the electromagnetic plate, the lower extreme fixedly connected with of lifter plate with and pushes away the permanent magnetism board that corresponds with top pushing the electromagnetic plate position.
In the above-mentioned PCBA board test fixture, fixed fixture of circuit board includes fixed shell and last fixed shell down, the inner wall bottom fixed mounting of fixed shell has the bracket down, the upper end of bracket holds in the palm and has put the circuit board body, go up the fixed shell the surface and offered a plurality of detection through-holes that correspond with the circuit board body, fixed shell and last fixed shell detachable fixed connection together down.
In the above-mentioned PCBA board test fixture, circuit detection mechanism includes the L shape riser of fixed connection in the base upper end, a plurality of through-holes have been seted up to the horizontal part symmetry of L shape riser, and correspond the interior movable plug bush of through-hole and have the atress pole, many the lower extreme fixedly connected with of atress pole is the same detection probe, many the upper end fixedly connected with of atress pole is the same atress board, the upper end of L shape riser and the lower extreme fixedly connected with of atress board are a plurality of reset spring of cover outside many atress poles respectively, the upper end symmetry fixedly connected with two card solid boards of L shape riser, two be connected with the transmission shaft through the bearing rotation between the card solid board, the fixed cam that has cup jointed of axle wall of transmission shaft.
In the above-mentioned PCBA board test fixture, synchronous drive mechanism is including rotating the pivot of connecting at the locating plate lower extreme lateral wall, the one end of transmission shaft runs through the lateral wall that stretches out the locating plate, the one end of pivot and transmission shaft is passed through belt pulley assembly transmission and is connected.
In the above-mentioned PCBA board test fixture, coupling mechanism is inhaled including fixed connection at the first electromagnetic plate and the second electromagnetic plate at biax motor both ends to magnetism, the one end of rotation screw rod and pivot is fixedly connected with respectively with first permanent magnetism board and the second permanent magnetism board that contradicts the setting with first electromagnetic plate and second electromagnetic plate.
In the PCBA board test fixture of the utility model, the speed reduction buffer mechanism includes that fixed connection is being located the rear side the rubber of curb plate upper end lateral wall supports a section of thick bamboo, the lateral wall of curb plate still fixedly connected with is located the rubber and supports the elasticity compression gasbag that props in the section of thick bamboo, the one end fixedly connected with tractive board of elasticity compression gasbag, two storage chambers have been seted up to the inside symmetry of tractive board, and the inner wall that corresponds the storage chamber is rotated through the jackshaft and is connected with and accomodate the wheel, accomodate the epaxial winding of wheel and have the tractive rope, the tractive board corresponds the inner wall of accomodating the chamber and accomodate the equal fixedly connected with cover of both ends of wheel and establish the torsion spring outside the jackshaft, the one end of tractive rope runs through and stretches out outside the tractive board, and fixed connection is at the outer wall of cavity support seat.
In the above-mentioned PCBA board test fixture, the air blast cleaning mechanism includes the buffer tube of fixed connection at data display upper end lateral wall, the lower extreme fixed intercommunication of buffer tube has a plurality of air blast shower nozzles, the upper end fixed intercommunication of buffer tube has the air supply pipe, the one end of air supply pipe and the rear end fixed intercommunication of elasticity compression gasbag.
Compared with the prior art, the invention has the beneficial effects that:
1. through base, drive transfer mechanism, the support mechanism that connects, circuit board fixed clamping mechanism, circuit detection mechanism, synchronous drive mechanism, magnetism inhale coupling mechanism, biax motor, detection terminal machine that set up, can realize the continuous detection operation to a plurality of circuit board bodies, and make the test counterpoint more accurate, effectively improved test quality and efficiency of software testing.
2. Through the deceleration buffer mechanism, air-blowing clearance mechanism, data display who sets up, can carry out effectual buffering to the support that resets and connect supporting mechanism, avoid too fast reset speed to drive transfer mechanism and support and cause the problem of collision damage with support and connect supporting mechanism easily, and can change the impact that resets into high-pressure gas and carry out quick clearance to data display's surface, avoid on the data display easily because the problem of electrostatic absorption dust influence display effect, and need not extra manual work and cleaning equipment, the operation is more convenient, the energy saving.
3. Through the support mechanism, the PLC controller and the belt conveyor that set up, can realize quick automatic unloading operation, reduce staff's labor consumption, improve detection efficiency, and avoided taking the problem that the manual knot got easily to cause the damage to PCBA board when getting, improved detection efficiency and quality.
To sum up: the invention can realize continuous detection operation on a plurality of circuit board bodies, ensures that the test alignment is more accurate, effectively improves the test quality and the test efficiency, avoids the problem that the display effect is easily influenced by electrostatic dust absorption on a data display, does not need additional manual work and cleaning equipment, is more convenient to operate, can realize rapid automatic blanking operation, reduces the labor consumption of staff, improves the detection efficiency, and avoids the problem that the PCBA board is easily damaged by manual buckling when taking materials.
Drawings
FIG. 1 is a schematic diagram of a PCBA testing jig provided by the invention;
FIG. 2 is a schematic diagram of a driving and transferring mechanism of a PCBA testing jig;
FIG. 3 is a schematic view of a structure of a bracket supporting mechanism of a PCBA testing jig provided by the invention;
fig. 4 is a schematic structural diagram of a circuit board fixing and clamping mechanism of a PCBA board testing fixture provided by the present invention;
FIG. 5 is a schematic diagram of a circuit testing mechanism of a PCBA testing jig provided by the invention;
FIG. 6 is a schematic diagram of a deceleration buffer mechanism of a PCBA board test fixture provided by the invention;
fig. 7 is a schematic structural diagram of an air blowing cleaning mechanism of a PCBA board testing fixture provided by the invention.
In the figure: 1 a base, 2 a driving and transferring mechanism, 21 a side plate, 22 a rotating screw rod, 23 a guiding slide bar, 24 a sliding block, 25 a back-pulling spring, 26 an electric push rod, 27 an arc screw plate, 3 a supporting and supporting mechanism, 31 a hollow supporting seat, 32 a embedding groove, 34 a vertical rod, 35 a lifting plate, 36 a supporting column, 37 a supporting roller, 38 a through hole, 39 a pressing spring, 310 a pushing electromagnetic plate, 311 a pushing permanent magnet plate, 4 a circuit board fixing and clamping mechanism, 41 a lower fixing shell, 42 an upper fixing shell, 43 a bracket, 44 a circuit board body, 45 a detection through hole, 5 a circuit detection mechanism, 51L-shaped vertical plates, 52 a stress rod, 53 a detection probe, 54 a stress plate 55 reset spring, 56 clamping plate, 57 transmission shaft, 58 cam, 6 synchronous transmission mechanism, 61 rotation shaft, 62 belt pulley assembly, 7 magnetic attraction connection mechanism, 71 first electromagnetic plate, 72 second electromagnetic plate, 73 first permanent magnetic plate, 74 second permanent magnetic plate, 8 deceleration buffer mechanism, 81 rubber supporting cylinder, 82 elastic compression air bag, 83 pulling plate, 84 receiving cavity, 85 jackshaft, 86 receiving wheel, 87 pulling rope, 88 torsion spring, 9 air blowing cleaning mechanism, 91 buffer tube, 92 air blowing nozzle, 93 air supply tube, 10 belt conveyor, 11 positioning plate, 12 double-shaft motor, 13 detection terminal, 14PLC controller, 15 data display.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
As shown in fig. 1-7, a PCBA board testing jig comprises a base 1 and a belt conveyor 10 arranged at one side of the base 1, wherein a driving and transferring mechanism 2 is fixedly arranged at the upper end of the base 1, a backing and supporting mechanism 3 is fixedly arranged at the upper end of the driving and transferring mechanism 2, a circuit board fixing and clamping mechanism 4 is arranged in the backing and supporting mechanism 3, a circuit detecting mechanism 5 is fixedly arranged at the upper end of the base 1, a positioning plate 11 is fixedly arranged at one side of the upper end of the base 1, a synchronous transmission mechanism 6 connected with the circuit detecting mechanism 5 is arranged on the positioning plate 11, a double-shaft motor 12 is fixedly arranged at the upper end of the base 1 and is positioned between the driving and transferring mechanism 2 and the positioning plate 11, output ends at two ends of the double-shaft motor 12 are fixedly connected with input ends of the driving and transferring mechanism 2 and the synchronous transmission mechanism 6 respectively through a magnetic connection mechanism 7, a detection terminal 13 and a PLC controller 14 are fixedly arranged at the side wall of the positioning plate 11, a data display 15 is fixedly arranged at one side of the upper end of the base 1, the circuit detecting mechanism 5 and the data display 15 are connected with the detection terminal 13 through electrical signals, a buffer mechanism 8 is fixedly arranged at the upper end of the base 1, and a buffer mechanism 8 is fixedly connected with a buffer mechanism 9, and a blowing and a cleaning device 9 is fixedly connected with the side wall 9;
the driving transfer mechanism 2, the bracket supporting mechanism 3 and the magnetic attraction connecting mechanism 7 are all electrically connected with the PLC 14.
The driving transfer mechanism 2 comprises two side plates 21 which are symmetrically and fixedly connected to the upper end of the base 1, a rotating screw rod 22 is rotationally connected between the two side plates 21 through a bearing, two guide slide rods 23 are symmetrically and fixedly connected between the two side plates 21, two slide blocks 24 are symmetrically and slidingly sleeved outside the guide slide rods 23, the upper ends of the four slide blocks 24 are fixedly connected to the lower end of the supporting and connecting support mechanism 3, a plurality of pull-back springs 25 which are fixedly connected between the rear side plates 21 and the rear side slide blocks 24 and sleeved outside the guide slide rods 23 are fixedly connected to the lower end of the supporting and connecting support mechanism 3, a plurality of electric push rods 26 are symmetrically and fixedly connected to the lower end output ends of the electric push rods 26 are fixedly connected with one arc-shaped threaded plate 27, and the arc-shaped threaded plate 27 is in threaded connection with the rotating screw rod 22.
The supporting and supporting mechanism 3 comprises a hollow supporting seat 31, an embedding groove 32 for placing the circuit board fixing and clamping mechanism 4 is formed in the upper end of the hollow supporting seat 31, baffle plates 33 which are propped against the outer side of the circuit board fixing and clamping mechanism 4 are fixedly connected to the front side and the rear side of the upper end of the hollow supporting seat 31, a plurality of vertical rods 34 which are vertically arranged are symmetrically and fixedly connected to the inner wall of the hollow supporting seat 31, one lifting plate 35 is sleeved outside the plurality of vertical rods 34 in a sliding mode, a plurality of supporting rollers 37 are fixedly connected to the upper end of the lifting plate 35 through a plurality of supporting columns 36, a plurality of penetrating through holes 38 for penetrating and extending out the supporting rollers 37 are formed in the upper end of the hollow supporting seat 31, a plurality of pressing springs 39 which are respectively sleeved outside the vertical rods 34 are fixedly connected to the upper end of the lifting plate 35 and the inner wall top of the hollow supporting seat 31, a plurality of pushing permanent magnet plates 311 which correspond to the positions of the pushing magnet plates 310 are fixedly connected to the lower end of the lifting plate 35.
The circuit board fixing and clamping mechanism 4 comprises a lower fixing shell 41 and an upper fixing shell 42, a bracket 43 is fixedly arranged at the bottom of the inner wall of the lower fixing shell 41, a circuit board body 44 is supported at the upper end of the bracket 43, a plurality of detection through holes 45 corresponding to the circuit board body 44 are formed in the surface of the upper fixing shell 42, and the lower fixing shell 41 and the upper fixing shell 42 are detachably and fixedly connected together.
The circuit detection mechanism 5 comprises an L-shaped vertical plate 51 fixedly connected to the upper end of the base 1, a plurality of through holes are symmetrically formed in the horizontal part of the L-shaped vertical plate 51, stress rods 52 are movably inserted in the corresponding through holes, the lower ends of the stress rods 52 are fixedly connected with the same detection probe 53, the upper ends of the stress rods 52 are fixedly connected with the same stress plate 54, the upper ends of the L-shaped vertical plate 51 and the lower ends of the stress plates 54 are fixedly connected with a plurality of reset springs 55 respectively sleeved outside the stress rods 52, the upper ends of the L-shaped vertical plate 51 are symmetrically and fixedly connected with two clamping plates 56, a transmission shaft 57 is rotatably connected between the two clamping plates 56 through bearings, and the shaft wall of the transmission shaft 57 is fixedly sleeved with a cam 58.
The synchronous transmission mechanism 6 comprises a rotating shaft 61 rotatably connected to the side wall of the lower end of the positioning plate 11, one end of a transmission shaft 57 penetrates through the side wall extending out of the positioning plate 11, and the rotating shaft 61 is in transmission connection with one end of the transmission shaft 57 through a belt pulley assembly 62.
The magnetic attraction connection mechanism 7 comprises a first electromagnetic plate 71 and a second electromagnetic plate 72 which are fixedly connected to two ends of the double-shaft motor 12, and one ends of the rotating screw 22 and the rotating shaft 61 are respectively fixedly connected with a first permanent magnet plate 73 and a second permanent magnet plate 74 which are in abutting arrangement with the first electromagnetic plate 71 and the second electromagnetic plate 72.
The deceleration buffer mechanism 8 comprises a rubber supporting cylinder 81 fixedly connected to the side wall at the upper end of the rear side plate 21, an elastic compression air bag 82 positioned in the rubber supporting cylinder 81 is fixedly connected to the side wall of the side plate 21, a traction plate 83 is fixedly connected to one end of the elastic compression air bag 82, two storage cavities 84 are symmetrically formed in the traction plate 83, storage wheels 86 are correspondingly connected to the inner walls of the storage cavities 84 through rotation of an intermediate shaft 85, traction ropes 87 are wound on the storage wheels 86, torsion springs 88 are fixedly connected to the inner walls of the storage cavities 84 and the two ends of the storage wheels 86 in a sleeved mode, and one end of the traction ropes 87 penetrates through and stretches out of the traction plate 83 and is fixedly connected to the outer wall of the hollow supporting seat 31.
The air blowing cleaning mechanism 9 comprises a buffer tube 91 fixedly connected to the side wall of the upper end of the data display 15, a plurality of air blowing nozzles 92 are fixedly communicated with the lower end of the buffer tube 91, an air supply tube 93 is fixedly communicated with the upper end of the buffer tube 91, and one end of the air supply tube 93 is fixedly communicated with the rear end of the elastic compression air bag 82.
The principle of operation of the present invention will now be described as follows: the circuit board body 44 is placed on the bracket 43 in the lower fixing shell 41, then the upper fixing shell 42 is fixedly connected with the lower fixing shell 41, the connection mode of the lower fixing shell 41 and the upper fixing shell 42 is detachable assembly, the detachable connection mechanism is various, the lower fixing shell 41 and the upper fixing shell 42 are used for stably clamping and fixing the circuit board body 44, the detection opening 45 on the surface of the upper fixing shell 42 can expose the detection surface of the circuit board body 44, the lower fixing shell 41 is placed in the embedding side at the upper end of the hollow supporting seat 31, the three-side baffle plate 33 is used for further limiting the lower fixing shell 41, the PLC controller 14 controls the action of the biaxial motor 12 and the electric push rod 26, the electric push rod 26 pushes the arc-shaped threaded plate 27 to move downwards and be stably and in abutting connection with the rotating screw rod 22, and power is supplied to the first electromagnetic plate 71, the first electromagnetic plate 71 is electrified to generate magnetism to match with the first permanent magnet plate 73 to drive the rotating screw 22 to synchronously rotate, the hollow supporting seat 31 is driven to move through the threaded connection of the rotating screw 22 and the arc-shaped threaded plate 27, the hollow supporting seat 31 is stably sleeved and connected with the sliding block 24 and the guide sliding rod 23 to slide and moves forwards against the elastic force of the pull-back spring 25, when the forefront circuit board body 44 moves to the lower end of the detection probe 53, the PLC controller 14 cuts off the power supply of the first electromagnetic plate 71 and supplies power to the second electromagnetic plate 72, the second electromagnetic plate 72 is electrified to generate magnetism to match with the second permanent magnet plate 74 to drive the rotating shaft 61 to rotate, the rotating shaft 61 drives the cam 58 to rotate through the pulley assembly 62, the force-bearing plate 54 is matched with the force-bearing rod 52 to overcome the elastic force of the return spring 55 to push and move downwards when the protruding part of the cam 58 is pushed to the upper end of the force-bearing plate 54, the detection probe 53 is in contact with the upper surface of the circuit board body 44 through the detection port 45, the test operation on the circuit board body 44 is completed, and the reset spring 55 pushes the force plate 54 upwards along with the overturning of the protruding part of the cam 58, so that the detection probe 53 moves upwards and is separated from the contact test position, after the cam 58 rotates for one circle, the PLC 14 cuts off the power supply of the second electromagnetic plate 72 and synchronously supplies power to the first electromagnetic plate 71, the subsequent test operation on the circuit board body 44 is completed by continuing the steps, the continuous test operation on a plurality of circuit board bodies 44 can be realized, the test alignment is more accurate, and the test quality and the test efficiency are effectively improved;
when all the circuit board bodies 44 are tested, the PLC 14 stops the double-shaft motor 12, the electric push rod 26 drives the arc-shaped threaded plate 27 to move upwards and separate from the contact with the rotating screw rod 22, the spring 25 is pulled back to the hollow supporting seat 31, the hollow supporting seat 31 moves backwards and resets rapidly, the PLC 14 synchronously supplies power to the pushing electromagnetic plate 310, the pushing permanent magnetic plate 311 drives the lifting plate 35 to move upwards along the upright rod 34 against the elasticity of the pressing spring 39, the lifting plate 35 pushes the supporting roller 37 to move upwards through the supporting column 36, the supporting roller 37 passes through the through hole 38 to push and hold the circuit board fixing and clamping mechanism 4, the lower end of the circuit board fixing and clamping mechanism 4 is higher than the upper end of the hollow supporting seat 31, the three baffle plates 33 stably limit the circuit board fixing and clamping mechanism 4, the hollow supporting seat 31 is firstly acted on the elastic compression air bag 82, is primarily decelerated by the elastic compression air bag 82 and then is impacted on the rubber supporting cylinder 81 for secondary deceleration, so that the reset supporting and supporting mechanism 3 can be effectively buffered, the problem that the drive transfer mechanism 2 and the supporting and supporting mechanism 3 are easily damaged by collision due to the excessively fast reset speed is avoided, the circuit board fixing and clamping mechanism 4 can still keep a certain speed to move backwards due to the action of inertia force, and falls on the belt conveyor 10 to be transported to a downward moving process, the quick automatic blanking operation can be realized, the labor consumption of workers is reduced, the detection efficiency is improved, the problem that the PCBA board is easily damaged due to manual buckling when the material is taken is avoided, and the detection efficiency and quality are improved;
the elastic compression gasbag 82 is compressed when buffering to the middle position supporting seat 31, carry high-pressure gas to buffer tube 91 and blow shower nozzle 92 through air supply pipe 93, and then make high-pressure gas effect blow away the clearance with the dust on the surface of data display 15 fast, can change the impact that middle position supporting seat 31 reset into high-pressure gas in step and carry out quick clearance to the surface of data display 15, avoid on the data display 15 easily because the problem of electrostatic adsorption dust influence display effect, and need not extra manual work and cleaning equipment, the operation is more convenient, the energy saving.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.
Claims (2)
1. The utility model provides a PCBA board test fixture, includes base (1) and belt conveyor (10) of setting in base (1) one side, its characterized in that, the upper end of base (1) is equipped with drive transfer mechanism (2), drive transfer mechanism (2) are including two symmetrical fixedly connected with curb plate (21) in base (1) upper end, two rotationally connected with rotation screw rod (22) through the bearing between curb plate (21), two still front and back symmetrical fixedly connected with two guide slide bars (23) between curb plate (21), two sliding blocks (24) have been cup jointed in the outer symmetrical sliding of guide slide bar (23), four the upper end fixed connection of sliding block (24) is in the lower extreme of holding in the palm of joint supporting mechanism (3), be located the rear side between curb plate (21) and be located rear side return spring (25) of fixedly connected with a plurality of cover and establish outside guide slide bar (23), the lower extreme symmetry fixedly connected with many electric push rods (26) of holding in the palm joint supporting mechanism (3), the lower extreme of many electric push rods (26) are connected with arc screw rod (27);
the upper end of the driving transfer mechanism (2) is fixedly provided with a supporting mechanism (3), the supporting mechanism (3) comprises a hollow supporting seat (31), the upper end of the hollow supporting seat (31) is provided with a imbedding groove (32) for placing a circuit board fixing and clamping mechanism (4), both sides and the rear side of the upper end of the hollow supporting seat (31) are fixedly connected with baffle plates (33) which are abutted to the outer side of the circuit board fixing and clamping mechanism (4), the inner wall of the hollow supporting seat (31) is also symmetrically and fixedly connected with a plurality of vertical rods (34) which are vertically arranged, a plurality of vertical rods (34) are externally and slidingly sleeved with a same lifting plate (35), the upper end of the lifting plate (35) is fixedly connected with a plurality of supporting rollers (37) through a plurality of through holes (38) which are used for supporting the rollers (37) to penetrate, the upper end of the lifting plate (35) and the inner wall top of the hollow supporting seat (31) are fixedly connected with a plurality of push springs (39) which are respectively sleeved on the inner wall of the hollow supporting seat (31) and are fixedly connected with a push plate (310), the lower end of the lifting plate (35) is fixedly connected with a pushing permanent magnet plate (311) corresponding to the pushing electromagnetic plate (310);
the circuit board detection device is characterized in that a circuit board fixing and clamping mechanism (4) is placed in the cradle and supporting mechanism (3), a circuit detection mechanism (5) is fixedly arranged at the upper end of the base (1), the circuit detection mechanism (5) comprises an L-shaped vertical plate (51) fixedly connected to the upper end of the base (1), a plurality of through holes are symmetrically formed in the horizontal part of the L-shaped vertical plate (51), stress rods (52) are movably inserted in the corresponding through holes, the lower ends of the stress rods (52) are fixedly connected with the same detection probe (53), the upper ends of the stress rods (52) are fixedly connected with the same stress plate (54), a plurality of reset springs (55) which are respectively sleeved outside the stress rods (52) are fixedly connected to the lower ends of the stress plates (54), two clamping plates (56) are symmetrically fixedly connected with two transmission shafts (57) through bearings, and the shafts (58) are fixedly sleeved with the transmission shafts (57) through the bearings;
a positioning plate (11) is fixedly arranged on one side of the upper end of the base (1), a synchronous transmission mechanism (6) connected with the circuit detection mechanism (5) is arranged on the positioning plate (11), the synchronous transmission mechanism (6) comprises a rotating shaft (61) rotatably connected to the side wall of the lower end of the positioning plate (11), one end of a transmission shaft (57) penetrates through the side wall of the positioning plate (11), and one end of the rotating shaft (61) is in transmission connection with one end of the transmission shaft (57) through a belt pulley assembly (62);
the upper end of the base (1) is fixedly provided with a double-shaft motor (12) positioned between the driving transfer mechanism (2) and the positioning plate (11), the output ends of the two ends of the double-shaft motor (12) are fixedly connected with the input ends of the driving transfer mechanism (2) and the synchronous transmission mechanism (6) respectively through a magnetic attraction connecting mechanism (7), the magnetic attraction connecting mechanism (7) comprises a first electromagnetic plate (71) and a second electromagnetic plate (72) which are fixedly connected with the two ends of the double-shaft motor (12), and one ends of the rotating screw (22) and the rotating shaft (61) are fixedly connected with a first permanent magnet plate (73) and a second permanent magnet plate (74) which are in abutting arrangement with the first electromagnetic plate (71) and the second electromagnetic plate (72) respectively;
the side wall of the positioning plate (11) is fixedly provided with a detection terminal (13) and a PLC (programmable logic controller) controller (14), one side of the upper end of the base (1) is fixedly provided with a data display (15), the circuit detection mechanism (5) and the data display (15) are both connected with the detection terminal (13) through electric signals, a speed reduction buffer mechanism (8) is arranged between the driving transfer mechanism (2) and the supporting and supporting mechanism (3), the speed reduction buffer mechanism (8) comprises a rubber supporting cylinder (81) fixedly connected to the side wall at the upper end of the side plate (21) at the rear side, the side wall of the side plate (21) is fixedly connected with an elastic compression air bag (82) positioned in the rubber supporting cylinder (81), one end of the elastic compression air bag (82) is fixedly connected with a traction plate (83), two storage cavities (84) are symmetrically arranged in the traction plate (83), the inner wall of the corresponding storage cavity (84) is rotationally connected with a storage wheel (86) through a middle shaft (85), the storage wheel (86) is wound on the storage wheel (86), the traction plate (83) is fixedly connected with two ends of the traction plate (84) through the middle shaft (88), and the traction plate (83) is fixedly connected with one end of the traction plate (83), and is fixedly connected to the outer wall of the hollow supporting seat (31);
the air-blowing cleaning mechanism (9) is fixedly arranged on the side wall of the upper end of the data display (15), the air-blowing cleaning mechanism (9) is communicated with the speed reduction buffer mechanism (8), the air-blowing cleaning mechanism (9) comprises a buffer tube (91) fixedly connected to the side wall of the upper end of the data display (15), a plurality of air-blowing nozzles (92) are fixedly communicated with the lower end of the buffer tube (91), an air supply tube (93) is fixedly communicated with the upper end of the buffer tube (91), and one end of the air supply tube (93) is fixedly communicated with the rear end of the elastic compression air bag (82);
the driving transfer mechanism (2), the bracket supporting mechanism (3) and the magnetic attraction connecting mechanism (7) are electrically connected with the PLC (14).
2. A PCBA board testing jig according to claim 1, characterized in that the circuit board fixing and clamping mechanism (4) comprises a lower fixing shell (41) and an upper fixing shell (42), a bracket (43) is fixedly installed at the bottom of the inner wall of the lower fixing shell (41), a circuit board body (44) is supported at the upper end of the bracket (43), a plurality of detection through holes (45) corresponding to the circuit board body (44) are formed in the surface of the upper fixing shell (42), and the lower fixing shell (41) and the upper fixing shell (42) are detachably and fixedly connected together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311067949.9A CN116794492B (en) | 2023-08-23 | 2023-08-23 | PCBA board test fixture |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311067949.9A CN116794492B (en) | 2023-08-23 | 2023-08-23 | PCBA board test fixture |
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| CN116794492A CN116794492A (en) | 2023-09-22 |
| CN116794492B true CN116794492B (en) | 2023-11-07 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117031076B (en) * | 2023-10-09 | 2023-12-01 | 深圳市微特精密科技股份有限公司 | Automatic intelligent detection device of mainboard |
| CN117110094B (en) * | 2023-10-23 | 2024-03-22 | 深圳市德迅达精密工业有限责任公司 | Precision die strength detection equipment |
| CN117783709A (en) * | 2023-10-30 | 2024-03-29 | 西安梦源电子科技有限责任公司 | Detection system of electric automation equipment |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013243231A (en) * | 2012-05-21 | 2013-12-05 | Hitachi High-Tech Instruments Co Ltd | Component mounting device and driving stage |
| CN210572608U (en) * | 2019-08-28 | 2020-05-19 | 合肥聚川电子科技有限公司 | Automatic change circuit board of material loading unloading and detect machine |
| CN215415498U (en) * | 2021-04-24 | 2022-01-04 | 水富云端智能科技有限公司 | Flexible circuit board test fixture |
| CN113960447A (en) * | 2021-10-22 | 2022-01-21 | 深圳市裕惟兴电子有限公司 | Continuous automatic checkout device of thick copper multilayer PCB board of jumbo size |
| CN216747987U (en) * | 2022-01-11 | 2022-06-14 | 苏州贝格裕信息科技有限公司 | PCBA board detects uses press tool |
| CN114878753A (en) * | 2022-05-24 | 2022-08-09 | 崔加尚 | Air quality detector for environmental protection engineering |
| CN218675210U (en) * | 2022-10-25 | 2023-03-21 | 厦门信义科技有限公司 | Novel PCBA test device |
| CN218727793U (en) * | 2022-08-19 | 2023-03-24 | 昆山康泰达智能科技有限公司 | Module test fixture |
-
2023
- 2023-08-23 CN CN202311067949.9A patent/CN116794492B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013243231A (en) * | 2012-05-21 | 2013-12-05 | Hitachi High-Tech Instruments Co Ltd | Component mounting device and driving stage |
| CN210572608U (en) * | 2019-08-28 | 2020-05-19 | 合肥聚川电子科技有限公司 | Automatic change circuit board of material loading unloading and detect machine |
| CN215415498U (en) * | 2021-04-24 | 2022-01-04 | 水富云端智能科技有限公司 | Flexible circuit board test fixture |
| CN113960447A (en) * | 2021-10-22 | 2022-01-21 | 深圳市裕惟兴电子有限公司 | Continuous automatic checkout device of thick copper multilayer PCB board of jumbo size |
| CN216747987U (en) * | 2022-01-11 | 2022-06-14 | 苏州贝格裕信息科技有限公司 | PCBA board detects uses press tool |
| CN114878753A (en) * | 2022-05-24 | 2022-08-09 | 崔加尚 | Air quality detector for environmental protection engineering |
| CN218727793U (en) * | 2022-08-19 | 2023-03-24 | 昆山康泰达智能科技有限公司 | Module test fixture |
| CN218675210U (en) * | 2022-10-25 | 2023-03-21 | 厦门信义科技有限公司 | Novel PCBA test device |
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| CN116794492A (en) | 2023-09-22 |
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