CN115902592A - Circuit board testing device - Google Patents

Abstract

The invention belongs to the technical field of circuit board testing, in particular to a circuit board testing device, which comprises a testing seat; the top end of the test seat is fixedly connected with a supporting plate; a first electric sliding block is arranged in the supporting plate; through the bottom of the test seat conduct place circuit board that sets up, when testing circuit board performance, utilize servo motor output to rotate the regulation, drive and survey the upset of test panel, the test point quantity of corresponding circuit board, and slide with the cooperation of multiunit electricity slider, slide every group test probe to the corresponding test point position of circuit board, no. one electricity slider gliding backup pad inner wall, test multiunit test probe insertion circuit board's the test of the corresponding test point department, play the effect to the circuit board performance test of different forms, utilize the multiunit stopper to receive inside an elastic component extrusion card income fixing base, can quick plug change when test probe damages, utilize the slip cylinder cover to slide in a fixed section of thick bamboo inner wall in test probe outside, play the effect to the test probe protection.

Description

Circuit board testing device

Technical Field

The invention belongs to the technical field of circuit board testing, and particularly relates to a circuit board testing device.

Background

The circuit board is also called a circuit board, and can be divided into three categories, namely a single-sided board, a double-sided board and a multilayer circuit board according to the number of layers, wherein the single-sided board is usually simple to manufacture, parts are concentrated on one side, and wires are concentrated on the reverse side, but the circuit board is difficult to use in a complex product.

In the process of circuit board production, the tradition utilizes the manual work to carry out the performance test to the circuit board trade sample, and along with the development of era, circuit board testing arrangement has replaced the manual work, adopts the down-pressure formula to insert the probe inside the circuit board, carries out the performance test to the circuit board trade sample.

The circuit board testing device adopted in the production of the circuit board at present is a testing machine special for a single group of circuit boards, but the shapes of the circuit boards are different, the positions of the testing points on each circuit board are different, and the number of the testing points is different, so that the universality of the current circuit board testing device is poor, and the current circuit board testing device is difficult to be applied to the testing work of more circuit boards.

Therefore, the invention provides a circuit board testing device.

Disclosure of Invention

To remedy the deficiencies of the prior art, at least one of the technical problems set forth in the background is addressed.

The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a circuit board testing device, which comprises a testing seat; the top end of the test seat is fixedly connected with a supporting plate; a first electric sliding block is arranged in the supporting plate; a servo motor is fixedly connected inside the first electric sliding block; the output end of the servo motor is fixedly connected with a support frame; a test board is fixedly connected inside the support frame; a circuit board is arranged at the top end of the test seat; the test board is internally provided with a test assembly used for testing the performance of the circuit board; three groups of test components on the reverse side of the test board are inserted into the circuit board to perform performance test corresponding to the three test points on the circuit board, so that the function of performing performance test on the circuit boards in different forms is achieved.

Preferably, the test assembly comprises a second electric sliding block, a sliding plate, a third electric sliding block, a fixed cylinder, a fixed seat, a test probe and a test cylinder; the second electric sliding block is arranged on the inner wall of the test board and is provided with a plurality of groups; the sliding plate is fixedly connected to the outer part of the second electric sliding block; the third electric sliding block is arranged on the inner wall of the sliding plate; the fixed cylinder is fixedly connected to the outer part of the third electric sliding block; the fixed seat is arranged inside the fixed cylinder; the test probe is fixedly connected inside the fixed seat; the test cylinders are fixedly connected inside the circuit board and are provided with a plurality of groups; the test board can be overturned to the reverse side if the test points of the circuit board are three, the three groups of test probes are moved to test corresponding to the three test points of the circuit board, and the test cylinder corresponds to the test probes in shape and is used for plugging test.

Preferably, the inside of the fixed cylinder is connected with limit blocks in a sliding manner, and the limit blocks are provided with a plurality of groups; the plurality of groups of limiting blocks are inserted in the fixed seat; a first elastic part is fixedly connected to the outer part of the limiting block, and one end of the first elastic part is fixedly connected to the inner wall of the fixed cylinder; the test probe is electrified to be connected with a signal, so that the damaged test probe can be quickly replaced.

Preferably, a sliding cylinder is connected inside the fixed cylinder in a sliding manner; the inner wall of the sliding cylinder is fixedly connected with a sliding plate, and the sliding plate is connected with the inner wall of the fixed seat in a sliding manner; the inner part of the fixed cylinder is fixedly connected with a second elastic part, and the second elastic part is fixedly connected with the outer part of the sliding cylinder; play and shelter from the effect of protection to the test probe, when test probe inserts the inside test of circuit board, the sliding barrel can be at first when surveying the board and pushing down, extrude to the tip of testing the section of thick bamboo, along with surveying the board and continuing to push down, sliding barrel extrudees a fixed section of thick bamboo inner wall on the elastic component shrink No. two, the inner wall of slide cooperation sliding barrel slip fixing base simultaneously, insert the inside test of testing a section of thick bamboo and circuit board until the test probe, the test board rises after the test is accomplished, no. two elastic component extrusion sliding barrel roll-offs shelter from the test probe, play the effect to the test probe protection.

Preferably, the top end of the test seat is fixedly connected with a limiting seat; the top end of the inner wall of the limiting seat is fixedly connected with two groups of limiting rods; a limiting hole is formed in the outer portion of the circuit board, and the shape of the limiting hole corresponds to that of the limiting rod; play the spacing effect of depositing of circuit board, reduce when the test dislocation of inserting under the multiunit test probe, utilize spacing seat spacing to the circuit board simultaneously, produce the condition that the circuit board collision rocked when reducing the test.

Preferably, a fixing frame is fixedly connected to the outside of the test board; the inner part of the fixed frame is fixedly connected with a plurality of groups of calibration rods; the limiting seat is internally provided with three groups of calibration holes; utilize the mount to fix the outside position at surveying the board, and fix the front at the mount with three calibration rods of group, three calibration rods of group are fixed at the reverse side of mount, when surveying the board and pushing down, three calibration rods of group insert at first that spacing seat is inside to set up downthehole, can normally test if three calibration rods of group normally insert the inside of spacing seat, if three calibration rods of group do not insert the inside of spacing seat, then can support the top outer wall test at spacing seat and stop, play the effect of surveying the calibration.

Preferably, the inner part of the limiting seat is connected with a top plate in a sliding manner; the bottom end of the top plate is fixedly connected with a rubber block, and the rubber block is fixedly connected with the inside of the limiting seat; utilize the roof to slide in the inside of spacing seat to with the block rubber support roof, press the circuit board when the test and cover in the inside of spacing seat, block rubber extrusion atress takes off after the test and presses the covering, and block rubber extrusion roof slides upward, with inside the ejecting spacing seat of two-thirds part of circuit board, the staff of being convenient for takes out fast.

Preferably, a gasket is sleeved outside the limiting rod and is positioned above the top plate; the outer part of the limiting rod is in threaded connection with a nut and is positioned above the gasket; utilize the gasket cover in the outside of gag lever post, twist the nut screw thread at the outer wall of gag lever post, with the gasket centre gripping between nut and circuit board, play the effect to circuit board surface protection, can carry out the position to the circuit board spacing.

Preferably, an alarm is fixedly connected inside the support frame; the alarm is connected with the test probe through signals; utilize the siren to install in the inside of support frame, when the inside test circuit board of test probe insert circuit board performance problem appears, the signal informs the siren in time to report to the police, and the siren is connected with the alignment rod signal simultaneously, and when the inside calibration of spacing seat was inserted to the multiunit alignment rod, if the multiunit alignment rod was inserted partially not the calibration, the signal informs the siren in time to report to the police, strengthens the effect of in time warning making mistakes in the test.

Preferably, the inner wall of the limiting seat is provided with a portable plate, and the portable plate is positioned below the circuit board; the shape of the hand-held board is Z-shaped; utilize four sets of portable boards to slide mounting respectively in the inside of spacing seat, after the circuit board test was accomplished, the staff can hold the outside salient of four sets of portable boards and lift, can mention the inside circuit board of spacing seat to be convenient for take out the circuit board fast.

The invention has the following beneficial effects:

1. the circuit board testing device provided by the invention has the advantages that the testing seat is used as the bottom end for placing the circuit board, when the performance of the circuit board is tested, the output end of the servo motor is used for rotating and adjusting to drive the testing board to turn over, the number of the testing points of the circuit board is corresponding, the plurality of groups of electric sliding blocks are matched and slide, each group of testing probes slide to the corresponding testing point position of the circuit board, the first electric sliding block slides down the inner wall of the supporting plate, the plurality of groups of testing probes are inserted into the corresponding testing points of the circuit board to be tested, the performance of the circuit board in different forms is tested, the plurality of groups of limiting blocks are clamped into the fixing seat under the extrusion of the first elastic piece, the testing probes can be quickly inserted and replaced when damaged, the sliding cylinder sleeve is used for sliding on the outer part of the testing probes and sliding on the inner wall of the fixing cylinder, the testing probe protection effect is achieved, the limiting seat is fixed at the top end of the testing seat, and the two groups of limiting rods are matched and correspond to the limiting holes of the circuit board, and the limiting effect of limiting the circuit board is achieved.

2. The circuit board testing device provided by the invention has the advantages that through the multiple groups of calibration rods, the circuit board is inserted into the corresponding calibration holes in the limiting seat in advance when the testing board is pressed down, the effect of calibration in advance is achieved, the top plate is matched with the rubber block to slide on the inner wall of the limiting seat, the circuit board can be quickly ejected out after the circuit board testing is completed, the circuit board can be conveniently picked up, the gasket is sleeved outside the limiting rod and screwed on the limiting rod through the nut threads, the effect of limiting the circuit board in the limiting seat is achieved, the alarm is respectively connected with the testing probe and the calibration rods through signals, the alarm is timely given when the circuit board testing is in error, and the quality loss of the circuit board is reduced.

Drawings

The invention will be further explained with reference to the drawings.

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a schematic view of a test board according to the present invention;

FIG. 3 is a schematic view of the construction of the sliding panel of the present invention;

FIG. 4 is a schematic structural view of a fixed cylinder according to the present invention;

FIG. 5 is a sectional view showing the structure of a fixed cylinder in the present invention;

FIG. 6 is a schematic view of the structure of the test socket of the present invention;

FIG. 7 is a schematic view of the nut of the present invention;

fig. 8 is a schematic view of the structure of the hand-held board of the present invention.

In the figure: 1. a test seat; 11. a support plate; 12. a first electric slide block; 13. a servo motor; 14. a support frame; 15. a test board; 16. a circuit board; 2. a second electric slider; 21. a sliding plate; 22. a third electric slider; 23. a fixed cylinder; 24. a fixed seat; 25. testing the probe; 26. a test cartridge; 3. a limiting block; 31. a first elastic member; 4. a sliding cylinder; 41. a slide plate; 42. a second elastic member; 5. a limiting seat; 51. a limiting rod; 6. a fixed mount; 61. a calibration rod; 62. calibrating the hole; 7. a top plate; 8. a gasket; 81. a nut; 9. an alarm; 91. provided is a portable plate.

Detailed Description

The present invention will be further described with reference to the following detailed description so that the technical means, the creation features, the achievement purposes and the effects of the present invention can be easily understood.

Example one

As shown in fig. 1 to 3 and fig. 6, a circuit board testing apparatus according to an embodiment of the present invention includes a testing socket 1; the top end of the test seat 1 is fixedly connected with a support plate 11; a first electric sliding block 12 is arranged in the supporting plate 11; a servo motor 13 is fixedly connected inside the first electric sliding block 12; the output end of the servo motor 13 is fixedly connected with a support frame 14; a test board 15 is fixedly connected inside the support frame 14; a circuit board 16 is arranged at the top end of the test socket 1; an annular groove is formed in the test board 15; a test component is arranged inside the test board 15 and used for performing performance test on the circuit board 16; the test plate 15 is used to support test components; the test assembly is located at an annular groove of the test board 15; the circuit board testing device adopted in the current circuit board production is usually a testing machine special for a single circuit board, but the circuit boards are different in forms, the testing point positions on each circuit board are different, and the number of the testing points is different, so that the current circuit board testing device is poor in universality and difficult to apply to testing work of more circuit boards, therefore, the specific implementation mode of the embodiment of the invention is that the testing seat 1 is used as a placing base for testing the circuit board 16, the circuit board 16 with four testing points is placed above the testing seat 1, the first electric slider 12 slides on the inner wall of the supporting plate 11 after being electrified, the supporting frame 14 supported by the output end of the servo motor 13 is driven to slide up and down, and the four testing components on the front side of the testing board 15 are matched with the four testing components on the front side of the testing board 15, the four testing components on the front side of the testing board 15 are driven to be inserted into the inner part of the supporting plate 11 along with the sliding of the first electric slider 12 to perform performance testing, if the three testing points are arranged on the circuit board 16, the output end of the servo motor 13 drives the supporting frame 14 to turn over, so that the three testing components on the back side of the testing board 15 correspond to the three testing points on the three testing board 16, and perform performance testing board 16 to perform different performance testing functions.

As shown in fig. 1 to 5, the testing assembly includes a second electric slider 2, a sliding plate 21, a third electric slider 22, a fixed cylinder 23, a fixed seat 24, a testing probe 25 and a testing cylinder 26; the second electric sliding block 2 is arranged on the inner wall of the test board 15, and a plurality of groups of the second electric sliding blocks 2 are arranged; the sliding plate 21 is fixedly connected to the outside of the second electric sliding block 2; the third electric sliding block 22 is arranged on the inner wall of the sliding plate 21; the fixed cylinder 23 is fixedly connected to the outer part of the third electric sliding block 22; the fixed seat 24 is arranged inside the fixed cylinder 23; the test probe 25 is fixedly connected inside the fixed seat 24; the test cylinders 26 are fixedly connected inside the circuit board 16, and a plurality of groups of test cylinders 26 are arranged; one side of the test board 15 is provided with three groups of test probes 25, and the other side is provided with four groups of test probes 25; when the performance test is performed on the circuit board 16 with four test points, the test board 15 is turned over to the front side, the four groups of the second electric sliders 2 respectively slide on the inner wall of the test board 15 after being electrified, the third electric slider 22 on the inner wall of the sliding board 21 slides in a matching manner to drive the fixing barrel 23 to slide to the corresponding positions of the four test points, the positions of the test probes 25 in the fixing seat 24 are corresponding to the test points, the four groups of the test probes 25 are driven to be inserted into the four test points of the circuit board 16 along with the downward pressing of the test board 15, the function of automatically adjusting the positions of the test points on the performance test of the circuit board 16 is achieved, meanwhile, if the number of the test points of the circuit board 16 is three, the test board 15 can be turned over to the back side, the three groups of the test probes 25 are moved to be corresponding to the three test points of the circuit board 16, and the test barrel 26 corresponds to the shape of the test probes 25 and is used for insertion test.

The inside of the fixed cylinder 23 is connected with a limiting block 3 in a sliding manner, and the limiting block 3 is provided with a plurality of groups; the outer wall of the limiting block 3 is arc-shaped; a plurality of groups of limiting blocks 3 are inserted in the fixed seat 24; a first elastic part 31 is fixedly connected to the outer part of the limiting block 3, and one end of the first elastic part 31 is fixedly connected to the inner wall of the fixed cylinder 23; when test probe 25 uses the damage influence test for a long time, for the convenience of changing test probe 25, the staff can directly extract fixing base 24, insert the inside of fixed section of thick bamboo 23 with new fixing base 24, fixing base 24 extrudees multiunit stopper 3, the arc outer wall cooperation extrusion that utilizes stopper 3 slides, fixing base 24 extrudees the inside that gets into fixed section of thick bamboo 23, the extrusion of 31 atress of multiunit elastic component, stopper 3 slides to block and is spacing in the inside corresponding recess of fixing base 24, fixing base 24's the electric piece that connects contacts touches with the inside electric piece that connects of fixed section of thick bamboo 23, can realize switching on the signal that connects test probe 25 circular telegram, thereby play the effect of the test probe 25 quick replacement of damage.

The fixed cylinder 23 is connected with a sliding cylinder 4 in a sliding manner; the length of the sliding cylinder 4 is up to 25 at the top end; a sliding plate 41 is fixedly connected to the inner wall of the sliding cylinder 4, and the sliding plate 41 is slidably connected with the inner wall of the fixed seat 24; a second elastic piece 42 is fixedly connected inside the fixed cylinder 23, and the second elastic piece 42 is fixedly connected with the outside of the sliding cylinder 4; when the test probe 25 is exposed outside for a long time and is easily bent and damaged when being collided, the second elastic piece 42 is utilized to extrude the sliding cylinder 4 to slide on the inner wall of the fixed cylinder 23, so that the shielding and protecting effect on the test probe 25 is achieved, when the test probe 25 is inserted into the circuit board 16 for internal test, the sliding cylinder 4 is firstly pressed down on the test board 15 and is extruded to the end part of the test cylinder 26, along with the continuous pressing of the test board 15, the sliding cylinder 4 extrudes the second elastic piece 42 to shrink the inner wall of the fixed cylinder 23, the sliding plate 41 is matched with the sliding cylinder 4 and simultaneously slides the inner wall of the fixed seat 24 until the test probe 25 is inserted into the internal test of the test cylinder 26 and the circuit board 16, after the test is completed, the test board 15 rises, the second elastic piece 42 extrudes the sliding cylinder 4 to slide out to shield the test probe 25, and the protection effect on the test probe 25 is achieved.

As shown in fig. 1 and 6, a limiting seat 5 is fixedly connected to the top end of the test seat 1; a groove is formed in the outer part of the limiting seat 5 and used for conveniently picking up the circuit board 16; the top end of the inner wall of the limiting seat 5 is fixedly connected with two limiting rods 51, and the limiting rods 51 are provided with two groups; a limiting hole is formed in the outer portion of the circuit board 16, and the shape of the limiting hole corresponds to that of the limiting rod 51; when circuit board 16 is placed at the top test of test socket 1, multiunit test probe 25 misplaces easily when pushing down inside inserting circuit board 16, so utilize spacing seat 5 to fix on the top of test socket 1, and fix on the inner wall top of spacing seat 5 with two sets of gag lever posts 51, when placing circuit board 16, correspond two sets of gag lever posts 51 with two sets of spacing holes of seting up on circuit board 16, place circuit board 16 at the inner wall of spacing seat 5, play the effect of depositing spacing to circuit board 16, it misplaces when the multiunit test probe 25 interpolation when testing to reduce, the recess that the outside of spacing seat 5 was seted up is used for conveniently picking up circuit board 16, it is spacing to circuit board 16 to utilize spacing seat 5 simultaneously, produce the condition that circuit board 16 collided and rocked when reducing the test.

As shown in fig. 1 to 3 and 6, a fixing frame 6 is fixed to the exterior of the test board 15; a plurality of groups of calibration rods 61 are fixedly connected inside the fixed frame 6; two ends of the fixed frame 6 are respectively fixedly connected with three groups of calibration rods 61; the limiting seat 5 is internally provided with three groups of calibration holes 62, and the calibration holes 62 are provided with three groups; when testing circuit board 16, in order to reduce the dislocation condition of inserting bad when testing circuit board 16, so utilize mount 6 to fix the outside position at survey test panel 15, and fix three sets of alignment poles 61 in the front of mount 6, three sets of alignment poles 61 are fixed in the reverse side of mount 6, when surveying test panel 15 and pushing down, three sets of alignment poles 61 insert at first in the three sets of calibration holes 62 that spacing seat 5 is inside to be seted up, can normally test if three sets of alignment poles 61 normally insert the inside of spacing seat 5, if three sets of alignment poles 61 do not insert the inside of spacing seat 5, then can support and stop at the top outer wall test of spacing seat 5, play the effect of surveying calibration.

As shown in fig. 1 and 6, a top plate 7 is slidably connected inside the limiting seat 5; the top plate 7 is square; the bottom end of the top plate 7 is fixedly connected with a rubber block, and the rubber block is fixedly connected with the inside of the limiting seat 5; the shape of the rubber block corresponds to the shape of the top plate 7; place after the internal test at spacing seat 5 when circuit board 16, because the inside degree of depth of spacing seat 5 is darker, thereby be difficult to take out circuit board 16 after the test fast, so utilize roof 7 to slide in the inside of spacing seat 5, and support roof 7 with the block rubber, press circuit board 16 to cover in the inside of spacing seat 5 when the test, block rubber extrusion atress, take off after the test and press the covering, block rubber extrusion roof 7 slides upward, inside the ejecting spacing seat 5 of 16 two-thirds parts of circuit board, the staff of being convenient for takes out fast.

As shown in fig. 1, 6 and 7, a gasket 8 is sleeved outside the limiting rod 51 and is located above the top plate 7; the external thread of the limiting rod 51 is connected with a nut 81 and is positioned above the gasket 8; when the circuit board 16 is placed above the top plate 7, the rubber block extrudes the top plate 7, most of the circuit board 16 is easily ejected out of the limiting seat 5, so that the normal test on the circuit board 16 is influenced, the gasket 8 is sleeved outside the limiting rod 51, the nut 81 is screwed on the outer wall of the limiting rod 51 in a threaded manner, the gasket 8 is clamped between the nut 81 and the circuit board 16, the surface protection effect on the circuit board 16 is achieved, and the position limitation can be performed on the circuit board 16.

As shown in fig. 1 to 3, an alarm 9 is fixed inside the supporting frame 14; the alarm 9 is in signal connection with the test probe 25; the alarm 9 is in signal connection with the calibration rod 61; when testing circuit board 16, in order to in time warn the staff and look over when circuit board 16 tests the mistake, so utilize siren 9 to install in the inside of support frame 14, when test probe 25 inserts circuit board 16 inside test circuit board 16 and the performance problem appears, signal notice siren 9 is in time reported to the police, siren 9 is connected with the alignment rod 61 signal simultaneously, when the inside calibration of multiunit alignment rod 61 inserts spacing seat 5, if multiunit alignment rod 61 inserts the misalignment, signal notice siren 9 is in time reported to the police, the reinforcing is made mistakes in time to the test and is warned the effect.

Example two

As shown in fig. 8, a first comparative example, in which another embodiment of the present invention is: a portable plate 91 is arranged on the inner wall of the limiting seat 5, and the portable plate 91 is positioned below the circuit board 16; the shape of the hand-held board 91 is Z-shaped; when the circuit board 16 is placed inside the limiting seat 5, in order to easily take out the tested circuit board 16 from the inside of the limiting seat 5, the four sets of the hand-held plates 91 are respectively slidably mounted inside the limiting seat 5, and after the test of the circuit board 16 is completed, a worker can hold the outer zigzag-shaped protruding parts of the four sets of the hand-held plates 91 to lift up the circuit board 16 inside the limiting seat 5, so that the circuit board 16 can be conveniently and quickly taken out.

In the working process, when a circuit board 16 is tested, the test seat 1 is taken as a placing base for testing the circuit board 16, the circuit board 16 with four test points is placed above the test seat 1, the first electric slide block 12 slides on the inner wall of the supporting plate 11 after being electrified to drive the supporting frame 14 supported by the output end of the servo motor 13 to slide up and down, and the four groups of test components on the front side of the test board 15 are matched, the four test points of the corresponding circuit board 16 slide down along with the first electric slide block 12 sliding on the inner wall of the supporting plate 11 to drive the four groups of test components on the front side of the test board 15 to be inserted into the circuit board 16 for performance testing, if three test points are arranged on the circuit board 16, the output end of the servo motor 13 drives the supporting frame 14 to turn over, so that the three groups of test components on the back side of the test board 15 are inserted into the circuit board 16 for performance testing corresponding to the three test points on the circuit board 16, therefore, the function of testing the performance of the circuit board 16 with different shapes is achieved, when the performance of the circuit board 16 with four test points is tested, the test board 15 is turned over to the front side, the four groups of the second electric sliders 2 respectively slide on the inner wall of the test board 15 after being electrified, the third electric slider 22 on the inner wall of the sliding plate 21 slides in a matching way to drive the fixed cylinder 23 to slide to the corresponding position of the four test points, the position of the test probe 25 in the fixed seat 24 is corresponding to the test point, the four groups of the test probes 25 are driven to be inserted into the four test points of the circuit board 16 along with the downward pressing of the test board 15, the function of automatically adjusting the test point position to test the performance of the circuit board 16 is achieved, meanwhile, if three test points of the circuit board 16 are arranged, the test board 15 is turned over to the back side, the three groups of the test probes 25 are moved to correspond to the three test points of the circuit board 16, and the shape of the test cylinder 26 corresponds to the test probes 25, the test probe 25 is used for plugging and testing, when the test probe 25 is used for a long time and is damaged to influence the test, in order to facilitate the replacement of the test probe 25, a worker can directly pull out the fixing seat 24, insert a new fixing seat 24 into the inside of the fixing cylinder 23, the fixing seat 24 extrudes a plurality of groups of limiting blocks 3, the arc-shaped outer walls of the limiting blocks 3 are matched and extruded to slide, the fixing seat 24 is extruded to enter the inside of the fixing cylinder 23, a plurality of groups of first elastic parts 31 are stressed to extrude, the limiting blocks 3 are slidably clamped into corresponding grooves in the inside of the fixing seat 24 to be limited, the electric connecting pieces of the fixing seat 24 are contacted with the electric connecting pieces in the fixing cylinder 23, so that the test probe 25 can be electrified and connected, a signal can be realized, the damaged test probe 25 can be quickly replaced, the sliding cylinder 4 is extruded to slide on the inner wall of the fixing cylinder 23 by utilizing the second elastic part 42, so as to shield and protect the test probe 25, when the test probe 25 is inserted into the circuit board 16 for testing, the sliding cylinder 4 will be firstly pressed down at the test board 15 and extruded to the end of the test cylinder 26, along with the continuous pressing of the test board 15, the sliding cylinder 4 extrudes the second elastic piece 42 to shrink the inner wall of the upper sliding fixing cylinder 23, the sliding plate 41 cooperates with the sliding cylinder 4 and simultaneously slides the inner wall of the fixing seat 24 until the test probe 25 is inserted into the test cylinder 26 and the circuit board 16 for testing, after the test is completed, the test board 15 rises, the second elastic piece 42 extrudes the sliding cylinder 4 to slide out and shield the test probe 25, playing a role of protecting the test probe 25, utilizing the limiting seat 5 to fix at the top end of the test seat 1 and fixing at the top end of the inner wall of the limiting seat 5 by using two sets of limiting rods 51, when the circuit board 16 is placed, two sets of limiting holes opened on the circuit board 16 correspond to the two sets of limiting rods 51, placing the circuit board 16 on the inner wall of the limiting seat 5, the test board has the advantages that the function of limiting and storing the circuit board 16 is achieved, dislocation of a plurality of groups of test probes 25 during downward insertion during testing is reduced, meanwhile, the circuit board 16 is limited by the limiting seat 5, the condition that the circuit board 16 collides and shakes during testing is reduced, the fixing frame 6 is fixed at the outer position of the test board 15, the three groups of calibration rods 61 are fixed on the front side of the fixing frame 6, the three groups of calibration rods 61 are fixed on the back side of the fixing frame 6, when the test board 15 is pressed down, the three groups of calibration rods 61 are firstly inserted into the three groups of calibration holes 62 formed in the limiting seat 5, normal testing can be achieved if the three groups of calibration rods 61 are normally inserted into the limiting seat 5, if the three groups of calibration rods 61 are not inserted into the limiting seat 5, the test on the outer wall at the top end of the limiting seat 5 is stopped, the function of detecting and calibrating is achieved, the top plate 7 slides in the limiting seat 5 and is supported by the rubber block, when in test, the circuit board 16 is pressed and covered in the limiting seat 5, the rubber block is extruded and stressed, after the test is finished, the pressing object is taken down, the rubber block extrudes the top plate 7 to slide upwards, two thirds of the circuit board 16 is ejected out of the limiting seat 5, so that a worker can conveniently and quickly take out the circuit board, the gasket 8 is sleeved outside the limiting rod 51, the nut 81 is screwed on the outer wall of the limiting rod 51, the gasket 8 is clamped between the nut 81 and the circuit board 16, the surface protection effect on the circuit board 16 is achieved, the position of the circuit board 16 can be limited, the alarm 9 is arranged in the support frame 14, when the performance problem of the test circuit board 16 occurs when the test probe 25 is inserted into the circuit board 16, the alarm 9 is informed to alarm in time, meanwhile, the alarm 9 is in signal connection with the calibration rod 61, when a plurality of sets of calibration rods 61 are inserted into the limiting seat 5 for calibration, if the plurality of groups of calibration rods 61 are inserted to be not calibrated in a biased manner, the signal is notified to the alarm 9 to give an alarm in time, the effect of giving an error in time to the test is enhanced, the four groups of lifting plates 91 are respectively and slidably mounted inside the limiting seat 5, after the test of the circuit board 16 is completed, a worker can lift the circuit board 16 inside the limiting seat 5 by holding the external protruding parts of the four groups of lifting plates 91, and therefore the circuit board 16 can be taken out quickly.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (10)

1. A circuit board testing device is characterized in that: comprises a test seat (1); the top end of the test seat (1) is fixedly connected with a support plate (11); a first electric sliding block (12) is arranged in the supporting plate (11); a servo motor (13) is fixedly connected inside the first electric sliding block (12); the output end of the servo motor (13) is fixedly connected with a support frame (14); a test board (15) is fixedly connected inside the support frame (14); a circuit board (16) is arranged at the top end of the test seat (1); the testing board (15) is internally provided with a testing assembly which is used for carrying out performance testing on the circuit board (16).

2. A circuit board testing device according to claim 1, wherein: the testing component comprises a second electric sliding block (2), a sliding plate (21), a third electric sliding block (22), a fixed cylinder (23), a fixed seat (24), a testing probe (25) and a testing cylinder (26); the second electric sliding blocks (2) are arranged on the inner wall of the test board (15), and a plurality of groups of the second electric sliding blocks (2) are arranged; the sliding plate (21) is fixedly connected to the outside of the second electric sliding block (2); the third electric sliding block (22) is arranged on the inner wall of the sliding plate (21); the fixed cylinder (23) is fixedly connected to the outside of the third electric sliding block (22); the fixed seat (24) is arranged inside the fixed cylinder (23); the test probe (25) is fixedly connected inside the fixed seat (24); the test cylinder (26) is fixedly connected inside the circuit board (16), and a plurality of groups of test cylinders (26) are arranged.

3. A circuit board testing device according to claim 2, wherein: the inside of the fixed cylinder (23) is connected with a limiting block (3) in a sliding manner, and a plurality of groups of limiting blocks (3) are arranged; a plurality of groups of limiting blocks (3) are inserted in the fixed seat (24); the outside rigid coupling of stopper (3) has elastic component (31), and the one end rigid coupling of elastic component (31) fixed cylinder (23) inner wall.

4. A circuit board testing device according to claim 2, wherein: a sliding cylinder (4) is connected inside the fixed cylinder (23) in a sliding manner; the inner wall of the sliding cylinder (4) is fixedly connected with a sliding plate (41), and the sliding plate (41) is slidably connected with the inner wall of the fixed seat (24); a second elastic piece (42) is fixedly connected inside the fixed cylinder (23), and the second elastic piece (42) is fixedly connected with the outer part of the sliding cylinder (4).

5. A circuit board testing device according to claim 1, wherein: the top end of the test seat (1) is fixedly connected with a limiting seat (5); the top end of the inner wall of the limiting seat (5) is fixedly connected with two limiting rods (51), and the two limiting rods (51) are arranged; the limiting hole is formed in the outer portion of the circuit board (16) and corresponds to the limiting rod (51) in shape.

6. The circuit board testing device according to claim 5, wherein: a fixing frame (6) is fixedly connected to the outer part of the test board (15); the inside of the fixed frame (6) is fixedly connected with a calibration rod (61), and the calibration rod (61) is provided with a plurality of groups; calibration holes (62) are formed in the limiting seat (5), and three groups of calibration holes (62) are formed in the limiting seat.

7. The circuit board testing device according to claim 5, wherein: a top plate (7) is connected inside the limiting seat (5) in a sliding manner; the bottom of roof (7) rigid coupling has the rubber block, and inside the spacing seat of rubber block rigid coupling (5).

8. The circuit board testing device according to claim 7, wherein: a gasket (8) is sleeved outside the limiting rod (51) and is positioned above the top plate (7); the outside threaded connection of gag lever post (51) has nut (81), and is located the top position of gasket (8).

9. A circuit board testing device according to claim 2, wherein: an alarm (9) is fixedly connected inside the support frame (14); the alarm (9) is in signal connection with the test probe (25).

10. The circuit board testing device according to claim 5, wherein: the inner wall of the limiting seat (5) is provided with a portable plate (91), and the portable plate (91) is positioned below the circuit board (16); the shape of the hand-held board (91) is Z-shaped.

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