CN117074926B - Quick positioner of FCT test fixture - Google Patents
Quick positioner of FCT test fixture Download PDFInfo
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- CN117074926B CN117074926B CN202311330983.0A CN202311330983A CN117074926B CN 117074926 B CN117074926 B CN 117074926B CN 202311330983 A CN202311330983 A CN 202311330983A CN 117074926 B CN117074926 B CN 117074926B
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- 238000012360 testing method Methods 0.000 title claims abstract description 44
- 239000000523 sample Substances 0.000 claims abstract description 101
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 29
- 229910052802 copper Inorganic materials 0.000 claims description 29
- 239000010949 copper Substances 0.000 claims description 29
- 230000007246 mechanism Effects 0.000 claims description 25
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 9
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 9
- 241001330002 Bambuseae Species 0.000 claims description 9
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 9
- 239000011425 bamboo Substances 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 5
- 230000006978 adaptation Effects 0.000 claims description 2
- 210000002421 cell wall Anatomy 0.000 claims description 2
- 238000001514 detection method Methods 0.000 abstract description 4
- 238000011990 functional testing Methods 0.000 description 21
- 230000000712 assembly Effects 0.000 description 10
- 238000000429 assembly Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 8
- 239000011324 bead Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/2801—Testing of printed circuits, backplanes, motherboards, hybrid circuits or carriers for multichip packages [MCP]
- G01R31/2806—Apparatus therefor, e.g. test stations, drivers, analysers, conveyors
- G01R31/2808—Holding, conveying or contacting devices, e.g. test adapters, edge connectors, extender boards
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
- G01R1/0425—Test clips, e.g. for IC's
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/2801—Testing of printed circuits, backplanes, motherboards, hybrid circuits or carriers for multichip packages [MCP]
- G01R31/281—Specific types of tests or tests for a specific type of fault, e.g. thermal mapping, shorts testing
- G01R31/2815—Functional tests, e.g. boundary scans, using the normal I/O contacts
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Engineering & Computer Science (AREA)
- Measuring Leads Or Probes (AREA)
- Tests Of Electronic Circuits (AREA)
Abstract
The invention belongs to the technical field of electrical detection equipment, and particularly relates to a quick positioning device for an FCT (flexible circuit board) test clamp, which comprises a base, wherein the upper side wall of the base is fixedly connected with a clamp assembly, two support plates are symmetrically and fixedly connected with the front side and the back side of the upper side wall of the base, the upper side walls of the two support plates are fixedly connected with the same movable box, the inner wall of the movable box is rotationally connected with a threaded rod, and the right side wall of the movable box is fixedly connected with a connecting frame. According to the invention, when testing circuit boards of different types, a plurality of test probes can be conveniently and rapidly installed, and the positions of the test probes can be automatically adjusted, so that the plurality of test probes and a plurality of corresponding pins are automatically aligned, manual alignment of operators is not needed, the convenience of the work of the operators is improved, and the testing efficiency of the circuit boards is also ensured.
Description
Technical Field
The invention belongs to the technical field of electrical detection equipment, and particularly relates to a fast positioning device of an FCT test fixture.
Background
The FCT (functional test) refers to a test method that provides a simulated operation environment (excitation and load) for a test target board, so that the test target board works in various design states, parameters of various states are obtained to verify the function of a UUT, after the circuit board is produced, FCT test is needed, and the test mainly comprises voltage, current, power and other functional items.
When the circuit board is subjected to FCT test, the circuit board needs to be clamped by using a clamp, then the pins on the circuit board are detected by utilizing detection, and when the pins are detected by utilizing detection, the following defects exist:
because the positions of the pin settings on different types of circuit boards are different, the corresponding pins need to be replaced before the pins on different circuit boards are detected, the corresponding pins and the circuit boards are easy to be out of alignment due to installation errors and other reasons after the pins and the circuit boards are replaced, operators are required to manually adjust the positions of the pins, the corresponding pins and the circuit boards are aligned, the quantity of the pins and the circuit boards is large, the volumes of the pins and the circuit boards are small, the operators manually adjust the positions of the pins to consume a great deal of energy, and the adjustment time is long, so that the test efficiency of the circuit boards is greatly affected.
For this reason, a fast positioning device for FCT test jigs is proposed to solve the above-mentioned problems.
Disclosure of Invention
The invention aims to solve the problems and provides a fast positioning device for an FCT test fixture.
In order to achieve the above purpose, the present invention adopts the following technical scheme: the utility model provides a quick positioner of FCT test fixture, includes the base, the last lateral wall fixedly connected with anchor clamps subassembly of base, two of symmetrical fixedly connected with two mounting panels around the last lateral wall of base, two the same movable box of last lateral wall fixedly connected with of mounting panel, the inner wall rotation of movable box is connected with the threaded rod, the right side wall fixedly connected with link of movable box, the lateral wall fixedly connected with motor of link, the movable box is stretched out to the right-hand member of threaded rod, the output of motor runs through the lateral wall of link, and with threaded rod fixed connection, the pole wall thread bush of threaded rod is equipped with the screw thread section of thick bamboo, the lower lateral wall fixedly connected with deflector of screw thread section of thick bamboo, the guiding mouth with deflector mutual matching is seted up to the lower lateral wall of movable box, the guiding mouth is stretched out to the lower lateral wall of deflector, and fixedly connected with movable plate, the lower lateral wall fixedly connected with of movable plate has first electric putter, the output of first electric putter passes through fixture fixedly connected with probe board, the lower lateral wall fixedly connected with multiple probe subassembly of probe board, on movable box and the lateral wall fixedly connected with motor and a locking mechanism.
Preferably, the fixture assembly comprises a fixture seat and a second electric putter, fixture seat fixed connection is at the upper side wall of base, the standing groove has been seted up to fixture seat's upper side wall, and has placed the appearance circuit board in the standing groove, the transverse groove has been seted up to the left cell wall of standing groove, the inner wall at the transverse groove is fixed to the second electric putter, the output fixedly connected with connecting cylinder of second electric putter, the left side inner wall of connecting cylinder passes through elastic rod fixedly connected with riser, the upper side wall fixedly connected with conducting block of riser, the upper side inner wall of connecting cylinder is inlayed with the conducting plate, conducting block and external power source electric connection, the forward circuit electric connection of conducting plate and second electric putter, riser right side wall fixedly connected with two round bars, two the right-hand member of round bar all stretches out the connecting cylinder, and fixedly connected with rubber block, the right side inner wall fixedly connected with rubber pad of standing groove.
Preferably, the control mechanism comprises a control box and an electromagnetic block, the control box is fixedly connected to the upper side wall of the movable box, the electromagnetic block is fixedly connected to the upper side inner wall of the control box, the upper side wall of the threaded cylinder is fixedly connected with a sliding block, a sliding groove matched with the sliding block is formed in the lower side inner wall of the movable box, a plurality of electric contact blocks are inlaid in the inner wall of the sliding groove, the upper side wall of the sliding block is fixedly connected with an electric contact plate, the electric contact plate is electrically connected with an external power supply, the electric contact block is electrically connected with the electromagnetic block through a PLC (programmable logic controller), the inner wall of the control box is fixedly connected with an inserting ring, an inserting rod is inserted into the inserting ring, the upper end of the inserting rod is fixedly connected with a permanent magnet plate, the lower end of the inserting rod is fixedly connected with an upper copper plate, the upper copper plate is electrically connected with a lower copper plate through a locking mechanism and an external power supply, the lower side inner wall of the control box is fixedly connected with a lower copper plate, the lower copper plate is electrically connected with a motor, and the electric contact block is electrically connected with a first electric push rod through a travel switch.
Preferably, the locking mechanism comprises a locking box and a third electric putter, locking box fixed connection is at the upper side wall of removing the case, third electric putter fixed connection is at the upper side wall of locking box, third electric putter's output is located the locking incasement, and fixedly connected with lifter plate, the right side wall fixedly connected with circular telegram board of lifter plate, circular telegram piece and lower circular telegram piece are inlayed to the right side inner wall of locking box, circular telegram board and external power source electric connection, circular telegram piece and last copper electric connection, the upper side wall fixedly connected with miniature electric putter of link, circular telegram piece passes through the forward circuit electric connection of timing controller and miniature electric putter down, miniature electric putter's output fixedly connected with arc cover, the lower side wall fixedly connected with friction disc of arc cover, the pole wall fixed bolster of threaded rod is equipped with the friction ring with the friction disc mutual matching.
Preferably, the probe assembly comprises a plurality of mounting cylinders and a plurality of probe rods, wherein the mounting cylinders are fixedly connected to the lower side wall of the probe plate, the probe rods are inserted into the mounting cylinders, the upper ends of the probe rods are fixedly connected with a placing plate, the side wall of the placing plate, which is opposite to one side of the mounting cylinders, is fixedly connected with the same spring, and the probe rods are all connected in series and are electrically connected with a forward circuit of the third electric push rod through a timing switch.
Preferably, the left side wall of the movable box is fixedly connected with a green light bead, and a plurality of probe rods are connected in series on a circuit of the green light bead and an external power supply.
Preferably, the fixture comprises a clamping seat and a clamping plate, a clamping opening matched with the clamping plate is formed in the side wall of the clamping seat, the clamping plate is inserted into the clamping opening, a vertical column is fixedly connected to the lower side wall of the clamping plate, a vertical opening matched with the vertical column is formed in the lower side wall of the clamping opening, and the lower end of the vertical column extends out of the vertical opening and is fixedly connected with the upper side wall of the probe plate.
Preferably, the upper side wall of the clamping plate is symmetrically and fixedly connected with two square plates, and two square openings matched with the square plates are formed in the inner wall of the upper side of the clamping opening.
Compared with the prior art, the fast positioning device of the FCT test fixture has the advantages that:
1. through base, anchor clamps subassembly, link, motor, screw thread section of thick bamboo, deflector, movable plate, first electric putter, fixture, control mechanism, locking mechanism that set up, can be when testing the circuit board of different grade type, can be convenient quick install a plurality of test probes to can automatically regulated test probe's position, make a plurality of test probes and a plurality of pin that correspond align automatically, do not need operating personnel manual alignment, improved operating personnel's convenience of work, also guaranteed the test efficiency of circuit board.
2. Through the locking mechanism that sets up, can be when adjusting probe and pin alignment, lock the position of probe horizontal direction voluntarily to the circuit breaking of automatic disconnection motor has avoided utilizing the probe to move down, and when testing voltage, electric current and the power of circuit board, the probe can appear controlling the condition that the position changes because of the insecure of position, has guaranteed the stability that the probe position was placed.
3. Through the control mechanism who sets up, can be when carrying out the removal regulation to the position of probe, at every turn all automatic control probe is at the horizontal direction about the very short position of removal, until all probes all with pin contact intercommunication to avoided the probe too big in the removal in-process travel distance, can lead to the problem that probe and corresponding pin missed, and the probe is elasticity setting, avoided individual pin position too high, and the probe decline position is too dark, can cause the problem of pin damage.
4. Through the fixture that sets up, can be when carrying out the FCT test to the circuit board of different grade type, can the corresponding probe of quick replacement, can carry out the chucking to the probe moreover to guaranteed the stability of probe when controlling and vertical direction removes, avoided appearing rocking when removing the probe, influence the problem of probe test accuracy.
5. Through the removal case, threaded rod, link, motor, screw thread section of thick bamboo, deflector, movable plate, first electric putter that set up, can be when moving the probe and detecting the circuit board of placing on the base, can follow right side and left and remove the probe, progressively detect the pin on the circuit board to can test the pin on the circuit board of equidimension not, enlarged the test range of probe.
Drawings
FIG. 1 is a schematic diagram of a fast positioning device for an FCT test fixture according to the present invention;
FIG. 2 is a schematic diagram of the internal structure of a mobile box in a fast positioning device of an FCT test fixture;
FIG. 3 is a schematic structural view of a clamping mechanism in a fast positioning device of an FCT test fixture provided by the invention;
FIG. 4 is a schematic diagram of the internal structure of a connecting cylinder in a quick positioning device of an FCT test fixture according to the present invention;
FIG. 5 is a schematic diagram of the positional relationship between a miniature electric push rod and an arc-shaped cover in a quick positioning device of an FCT test fixture provided by the invention;
FIG. 6 is a schematic diagram of the shape and structure of a friction ring and a friction plate in a quick positioning device of an FCT test fixture provided by the invention;
fig. 7 is a schematic structural diagram of a locking mechanism in the fast positioning device of the FCT test fixture provided by the invention;
FIG. 8 is a schematic structural diagram of a control mechanism in a quick positioning device of an FCT test fixture provided by the invention;
fig. 9 is a schematic structural diagram of a probe assembly in a fast positioning device of an FCT test fixture according to the present invention.
In the figure: 1 base, 2 clamp components, 201 clamp base, 202 second electric push rod, 3 placing groove, 4 sample circuit board, 5 transverse groove, 6 connecting cylinder, 7 vertical plate, 8 conductive block, 9 conductive plate, 10 round bar, 11 rubber block, 12 rubber pad, 13 support plate, 14 moving box, 15 threaded rod, 16 connecting frame, 17 motor, 18 threaded cylinder, 19 guide plate, 20 moving plate, 21 first electric push rod, 22 clamping mechanism, 221 clamping seat, 222 clamping plate, 23 clamping opening, 24 vertical column, 25 probe plate, 26 probe component, 261 mounting cylinder, 262 probe rod, 27 placing plate, 28 control mechanism, 281 control box, 282 electromagnetic block, 29 sliding block, 30 electric contact block, 31 electric contact plate, 32 inserting ring, 33 inserting rod, 34 permanent magnet plate, 35 upper copper plate, 36 lower copper plate, 37 locking mechanism, 371 locking box, 372 third electric push rod, 38 lifting plate, 39 power-on plate, 40 upper power-on block, 41 lower power-on block, 42 miniature electric push rod, 43 arc cover, 44 friction plate, 45 friction ring, 47 square opening and 46 square opening.
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. 1-9, a fast positioning device for an FCT test fixture comprises a base 1, the upper side wall of the base 1 is fixedly connected with a fixture assembly 2, two support plates 13 are symmetrically and fixedly connected to the upper side wall of the base 1, the upper side walls of the two support plates 13 are fixedly connected with the same movable box 14, the inner wall of the movable box 14 is rotatably connected with a threaded rod 15, the right side wall of the movable box 14 is fixedly connected with a connecting frame 16, the side wall of the connecting frame 16 is fixedly connected with a motor 17, the right end of the threaded rod 15 extends out of the movable box 14, the output end of the motor 17 penetrates through the side wall of the connecting frame 16 and is fixedly connected with the threaded rod 15, a threaded cylinder 18 is sleeved on the rod wall of the threaded rod 15, a guide plate 19 is fixedly connected to the lower side wall of the threaded cylinder 18, guide openings matched with the guide plate 19 are formed in the lower side wall of the movable box 14, the lower side wall of the guide plate 19 extends out of the guide openings, the movable plate 20 is fixedly connected with a movable plate 20, the lower side wall of the movable plate 20 is fixedly connected with a first electric push rod 21, the output end of the first electric push rod 21 is fixedly connected with a probe plate 25 through a clamping mechanism 22, the lower side wall 25 of the probe plate 25 is fixedly connected with a plurality of probes 26, a plurality of electric push rod assemblies 28 are fixedly connected with a control mechanism 28, and a locking mechanism 28 is fixedly connected with the upper side wall of the probe assembly 28, and a plurality of probes 17 are electrically connected with the control mechanism 28.
The fixture assembly 2 comprises a fixture seat 201 and a second electric push rod 202, the fixture seat 201 is fixedly connected to the upper side wall of the base 1, the upper side wall of the fixture seat 201 is provided with a placing groove 3, a sample circuit board 4 is placed in the placing groove 3, a transverse groove 5 is formed in the left groove wall of the placing groove 3, the second electric push rod 202 is fixed to the inner wall of the transverse groove 5, the output end of the second electric push rod 202 is fixedly connected with a connecting cylinder 6, the left inner wall of the connecting cylinder 6 is fixedly connected with a vertical plate 7 through an elastic rod, the upper side wall of the vertical plate 7 is fixedly connected with a conductive block 8, the upper side inner wall of the connecting cylinder 6 is inlaid with a conductive plate 9, the conductive block 8 is electrically connected with an external power supply, the conductive plate 9 is electrically connected with a forward circuit of the second electric push rod 202, the right side wall of the vertical plate 7 is fixedly connected with two round rods 10, the right ends of the two round rods 10 are respectively extended out of the connecting cylinder 6, and the right side wall of the vertical plate is fixedly connected with a rubber block 11, the right side inner wall of the placing groove 3 is fixedly connected with a rubber pad 12, and the circuit board can be clamped automatically and stably.
The control mechanism 28 comprises a control box 281 and an electromagnetic block 282, the control box 281 is fixedly connected to the upper side wall of the mobile box 14, the electromagnetic block 282 is fixedly connected to the upper side inner wall of the control box 281, the upper side wall of the threaded cylinder 18 is fixedly connected with a sliding block 29, the lower side inner wall of the mobile box 14 is provided with a sliding groove matched with the sliding block 29, the inner wall of the sliding groove is inlaid with a plurality of electric contact blocks 30, the upper side wall of the sliding block 29 is fixedly connected with an electric contact plate 31, the electric contact plate 31 is electrically connected with an external power supply, the electric contact block 30 is electrically connected with the electromagnetic block 282 through a PLC controller, the inner wall of the control box 281 is fixedly connected with an inserting ring 32, the inserting rod 33 is inserted into the inserting ring 32, the upper end fixedly connected with permanent magnetism board 34 of inserted bar 33, the lower extreme fixedly connected with of inserted bar 33 goes up copper 35, go up copper 35 and pass through locking mechanism 37 and external power source electric connection, the downside inner wall fixedly connected with of control box 281 goes down copper 36, lower copper 36 and motor 17 electric connection, electric contact 30 passes through travel switch and first electric putter 21 electric connection, can be when moving the position to the probe and adjust, every turn automatic control probe moves very short position about the horizontal direction, until all probes all contact the intercommunication with the pin, thereby avoided the probe to move the distance too big at the removal in-process, can lead to the problem that probe and corresponding pin missed.
The locking mechanism 37 includes locking case 371 and third electric putter 372, locking case 371 fixed connection is at the last lateral wall of removing case 14, third electric putter 372 fixed connection is at the last lateral wall of locking case 371, the output of third electric putter 372 is located locking case 371, and fixedly connected with lifter plate 38, lifter plate 38's right side wall fixedly connected with circular telegram board 39, locking case 371's right side inner wall is inlayed and is had circular telegram piece 40 and circular telegram piece 41 down, circular telegram board 39 and external power source electric connection, circular telegram piece 40 and last copper 35 electric connection, the last lateral wall fixedly connected with miniature electric putter 42 of link 16, circular telegram piece 41 passes through the forward circuit electric connection of timing controller and miniature electric putter 42 down, miniature electric putter 42's output fixedly connected with arc cover 43, the lower lateral wall fixedly connected with friction disc 44 of arc cover 43, the fixed sleeve of the pole wall of threaded rod 15 is equipped with the friction ring 45 with friction disc 44 mutual adaptation, can be when adjusting probe and pin alignment, can lock the position to the probe horizontal direction automatically, and the motor 17 is disconnected, and the probe position can be firmly placed in the time of the probe position is avoided the probe, the position of the test can not be changed because of the power down, the probe position is placed down, the position can not be firmly because of the test is guaranteed.
The probe assembly 26 comprises a plurality of mounting barrels 261 and a plurality of probe rods 262, the plurality of mounting barrels 261 are fixedly connected to the lower side wall of the probe plate 25, the probe rods 262 are inserted into the mounting barrels 261, the upper ends of the probe rods 262 are fixedly connected with a placing plate 27, the placing plate 27 is fixedly connected with the same spring to the side wall of the opposite side of the mounting barrels 261, the plurality of probe rods 262 are connected in series, and the problem that pins are damaged due to the fact that the positions of individual pins are too high and the descending positions of the probes are too deep is avoided through the positive circuit electric connection of the timing switch and the third electric push rod 372.
The green light beads are fixedly connected to the left side wall of the movable box 14, the probe rods 262 are connected in series to the green light beads and an external power supply circuit, and after the probe rods 262 are aligned with all pins, the green light beads can be communicated to remind operators of finishing positioning work.
The fixture 22 includes grip slipper 221 and grip block 222, and grip slipper 221's lateral wall has been seted up and grip block 222 assorted grip orifice 23 each other, and grip block 222 pegging graft in grip orifice 23, and grip block 222's lower lateral wall fixedly connected with upstand 24, and the upstand of mutually assorted with upstand 24 is seted up to grip orifice 23's lower lateral wall, and upstand 24's lower extreme stretches out the upstand, and with probe plate 25's last lateral wall fixed connection, conveniently changes different probe subassembly 26.
The upper side wall of the clamping plate 222 is symmetrically and fixedly connected with two square plates 46, and two square openings 47 matched with the square plates 46 are formed in the upper side inner wall of the clamping opening 23, so that the placement stability of the clamping plate 222 is improved.
The principle of operation of the present invention will now be described as follows: when the circuit board to be detected is replaced, firstly, the lifted prepared sample circuit board 4 is placed in the placing groove 3, the sample circuit board 4 is a normal circuit board, then, the second electric push rod 202 is controlled to work through an external button, the second electric push rod 202 drives the connecting cylinder 6 to move towards the sample circuit board 4, the connecting cylinder 6 drives the vertical plate 7, the round rod 10 and the rubber block 11 to move towards the direction close to the sample circuit board 4 through the elastic rod, after the rubber block 11 is contacted with the sample circuit board 4, the rubber block 11 drives the vertical plate 7 to move leftwards through the round rod 10 under the action of a reaction force, the vertical plate 7 drives the conductive block 8 and the conductive plate 9 to slide relatively, the conductive block 8 is electrically connected with an external power supply, the conductive plate 9 is electrically connected with a forward circuit of the second electric push rod 202, and after the conductive block 8 is separated from the conductive plate 9, the second electric push rod 202 stops moving immediately, so that the sample circuit board 4 can be fixed and kept at a proper extrusion force;
then the motor 17 is started to work, the motor 17 drives the threaded rod to rotate, the threaded cylinder is driven to move through the threaded fit, the threaded cylinder drives the moving plate 20, the probe plate 25 and the probe assembly 26 to move leftwards through the guide plate 19, the threaded cylinder drives the electric contact plate 31 to move through the sliding block 29, the electric contact plate 31 is electrically connected with the electric contact block 30 in the moving process, the electric contact block 30 is electrically connected with the electromagnetic block 282 through the PLC controller, the PLC controller controls the external current to flow to the electromagnetic block 282 for a period of time, the electromagnetic block 282 generates magnetic force after being electrified, so that the permanent magnet plate 34 can be adsorbed to move upwards, the permanent magnet plate 34 drives the upper copper plate 35 to move upwards through the inserted rod 33, the upper copper plate 35 is separated from the lower copper plate 36, the upper copper plate 35 is electrically connected with the upper electrifying block 40, the upper electrifying block 40 is electrically connected with the electrifying plate 39, the electrifying plate 39 is electrically connected with the external power source, therefore, the upper copper plate 35 is electrically connected with an external power supply, the lower copper plate 36 is electrically connected with a forward circuit of the motor 17, when the upper copper plate 35 is separated from the lower copper plate 36, the circuit of the motor 17 is disconnected, so that the probe assembly 26 stops moving, the electric contact block 30 is electrically connected with the first electric push rod 21 through the travel switch, when the electric contact plate 31 is contacted with the electric contact block 30, the first electric push rod 21 drives the probe assembly 26 to move downwards, when the plurality of probe assemblies 26 are not contacted with the pins correctly, the plurality of probe assemblies 26 are not all electrified, the first electric push rod 21 continuously drives the probe assemblies 26 to move upwards to restore to the original position after the probe assemblies 26 are contacted with the pins, and when the set time is reached, the PLC controller stops conveying the external current to the electromagnetic block 282, the permanent magnet plate 34 is under the action of spring tension, the upper copper plate 35 is driven to move downwards through the inserted link 33, so that the upper copper plate 35 and the lower copper plate 36 are contacted again, the motor 17 is controlled to work again, the probe assembly 26 is controlled to move leftwards continuously, and the steps are repeated;
when a plurality of probe assemblies 26 are correctly contacted with all pins in a descending process, all the probe assemblies 26 smoothly feed current, all the probe rods 262 are connected in series, and the external current is led into the micro-electric push rod 42 through a timing switch, after all the probe rods 262 feed current, the external power is transmitted to the third electric push rod 372, the third electric push rod 372 is controlled to work through the timing switch, the third electric push rod 372 drives the lifting and energizing plate 39 to move downwards, the energizing plate 39 is separated from the upper energizing block 40, the circuit of the motor 17 is disconnected, the motor 17 stops working, the energizing plate 39 is electrically connected with the lower energizing block 41 in a descending process, the lower energizing block 41 guides the external current into the micro-electric push rod 42 through the timing switch, the micro-electric push rod 42 drives the arc cover 43 and the friction plate 44 to move downwards under the action of the timing controller, the friction plate 44 is contacted with the friction ring 45, and the positions of the friction plate 44 and the friction ring 45 are matched with each other, so that the probe assemblies 26 can be positioned correspondingly to the probe assemblies 26, and the probe assemblies 26 can be positioned correspondingly.
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 (3)
1. The utility model provides a quick positioner of FCT test fixture, includes base (1), its characterized in that, the last lateral wall fixedly connected with anchor clamps subassembly (2) of base (1), the last lateral wall front and back symmetry fixedly connected with two mounting panels (13) of base (1), two the last lateral wall fixedly connected with of mounting panel (13) is same removes case (14), the inner wall rotation of removing case (14) is connected with threaded rod (15), the right side wall fixedly connected with link (16) of removing case (14), the lateral wall fixedly connected with motor (17) of link (16), the right-hand member of threaded rod (15) stretches out remove case (14), the output of motor (17) runs through the lateral wall of link (16), and with threaded rod (15) fixedly connected with, the pole wall thread bush of threaded rod (15) is equipped with screw thread cylinder (18), the lower lateral wall fixedly connected with deflector (19) of screw thread cylinder (18), the lower lateral wall of removing case (14) has seted up the deflector (19) with deflector (20) of deflector (19) mutual adaptation, the deflector (20) are connected with the fixed side wall (20), the utility model discloses a high-voltage power supply, including base (1), fixture (2) and electric putter (202), fixture (201) fixed connection is in the upper lateral wall of base (1), standing groove (3) have been seted up to the upper lateral wall of fixture (201), and standing groove (3) are interior to be placed sample circuit board (4), transverse groove (5) have been seted up to the left cell wall of standing groove (3), the inner wall in transverse groove (5) is fixed to electric putter (202), the output fixedly connected with connecting cylinder (6) of second electric putter (202), the left side inner wall of connecting cylinder (6) is through elastic connection board (7) on the vertical plate (8) of electric connection, electric connection board (8) are connected in the upper lateral wall of standing groove (3) in advance, electric putter (7) are connected in advance, the utility model discloses a plug-in type electric power supply, including connecting rod (33) and plug-in type electric power supply, positive circuit electric connection of current conducting plate (9) and second electric putter (202), two round bars (10) of riser (7) right side wall fixedly connected with, two the right-hand member of round bar (10) all stretches out connecting cylinder (6), and fixedly connected with rubber block (11), the right side inner wall fixedly connected with rubber pad (12) of standing groove (3), control mechanism (28) include control box (281) and electromagnetic block (282), control box (281) fixedly connected with is at the upper side wall of moving box (14), electromagnetic block (282) fixedly connected with is at the upper side inner wall of control box (281), the upper side wall fixedly connected with sliding block (29) of screw thread section of thick bamboo (18), the sliding groove that matches each other is seted up to the downside inner wall of moving box (14), and the inner wall of sliding groove is inlayed and is had a plurality of electric contact blocks (30), the upper side wall fixedly connected with electric contact plate (31), electric contact plate (31) and outside contact block (282), electric power supply (33) are connected with electric power supply (32), the lower end of the inserted link (33) is fixedly connected with an upper copper plate (35), the upper copper plate (35) is electrically connected with an external power supply through a locking mechanism (37), the lower inner wall of the control box (281) is fixedly connected with a lower copper plate (36), the lower copper plate (36) is electrically connected with a motor (17), the electric contact block (30) is electrically connected with a first electric push rod (21) through a travel switch, the locking mechanism (37) comprises a locking box (371) and a third electric push rod (372), the locking box (371) is fixedly connected with the upper side wall of the movable box (14), the third electric push rod (372) is fixedly connected with the upper side wall of the locking box (371), the output end of the third electric push rod (372) is positioned in the locking box (371) and is fixedly connected with a lifting plate (38), the right side wall of the lifting plate (38) is fixedly connected with an electrifying plate (39), the right inner wall of the locking box (371) is inlaid with an upper electrifying block (40) and a lower electrifying block (41), the upper electric push rod (41) is electrically connected with the upper copper plate (41) through the electric push rod (42) and the electric push rod (42) in a micro-type electric connection mode, the utility model provides a miniature electric putter's (42) output fixedly connected with arc cover (43), the lower lateral wall fixedly connected with friction disc (44) of arc cover (43), the fixed cover of the pole wall of threaded rod (15) is equipped with friction ring (45) that match each other with friction disc (44), probe subassembly (26) include a plurality of installation section of thick bamboo (261) and a plurality of probe rod (262), a plurality of the equal fixed connection of installation section of thick bamboo (261) is at the lower lateral wall of probe board (25), probe rod (262) are pegged graft in installation section of thick bamboo (261), and the upper end fixedly connected with of probe rod (262) place board (27), place the same spring of lateral wall fixedly connected with of board (27) and installation section of thick bamboo (261) opposite one side, a plurality of probe rod (262) all establish ties together, and through the forward circuit electric connection of time switch and third electric putter (372), the left side wall fixedly connected with pearl of removal case (14), a plurality of probe rod (262) all are on the green light circuit of green light and outside.
2. The fast positioning device for the FCT test fixture according to claim 1, wherein the clamping mechanism (22) comprises a clamping seat (221) and a clamping plate (222), a clamping opening (23) matched with the clamping plate (222) is formed in the side wall of the clamping seat (221), the clamping plate (222) is inserted into the clamping opening (23), a vertical post (24) is fixedly connected to the lower side wall of the clamping plate (222), a vertical opening matched with the vertical post (24) is formed in the lower side wall of the clamping opening (23), and the lower end of the vertical post (24) extends out of the vertical opening and is fixedly connected with the upper side wall of the probe plate (25).
3. The quick positioning device of the FCT test fixture according to claim 2, wherein the upper side wall of the clamping plate (222) is symmetrically and fixedly connected with two square plates (46), and two square openings (47) matched with the square plates (46) are formed in the upper side inner wall of the clamping opening (23).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311330983.0A CN117074926B (en) | 2023-10-16 | 2023-10-16 | Quick positioner of FCT test fixture |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311330983.0A CN117074926B (en) | 2023-10-16 | 2023-10-16 | Quick positioner of FCT test fixture |
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| CN117074926A CN117074926A (en) | 2023-11-17 |
| CN117074926B true CN117074926B (en) | 2024-01-02 |
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| CN117640482B (en) * | 2024-01-26 | 2024-04-05 | 陕西恒光测控技术有限公司 | Communication module testing arrangement |
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| CN117074926A (en) | 2023-11-17 |
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