CN112526323B - Pneumatic interchangeable primary and secondary anchor clamps check out test set - Google Patents
Pneumatic interchangeable primary and secondary anchor clamps check out test set Download PDFInfo
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- CN112526323B CN112526323B CN202011459097.4A CN202011459097A CN112526323B CN 112526323 B CN112526323 B CN 112526323B CN 202011459097 A CN202011459097 A CN 202011459097A CN 112526323 B CN112526323 B CN 112526323B
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- 238000012360 testing method Methods 0.000 title claims description 21
- 238000001514 detection method Methods 0.000 claims abstract description 47
- 238000003825 pressing Methods 0.000 claims abstract description 38
- 230000006835 compression Effects 0.000 claims description 13
- 238000007906 compression Methods 0.000 claims description 13
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 11
- 229910052802 copper Inorganic materials 0.000 claims description 11
- 239000010949 copper Substances 0.000 claims description 11
- 238000007689 inspection Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 abstract description 8
- 230000000712 assembly Effects 0.000 abstract 3
- 238000000429 assembly Methods 0.000 abstract 3
- 238000003780 insertion Methods 0.000 description 8
- 230000037431 insertion Effects 0.000 description 8
- 230000007547 defect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000011990 functional testing Methods 0.000 description 2
- 230000015654 memory Effects 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 238000005476 soldering 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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- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Tests Of Electronic Circuits (AREA)
Abstract
The invention relates to the technical field of detection, in particular to a pneumatic interchangeable primary and secondary clamp detection device, which comprises a machine case, a machine cover hinged at the rear end of the top of the machine case, at least two secondary clamps and a primary clamp arranged in the machine case, wherein each secondary clamp comprises a carrier plate, a needle plate, a secondary clamp switching needle assembly and a pressing plate assembly, the primary clamp comprises a lifting seat, a lifting power mechanism, a clamping assembly and a primary clamp switching needle assembly, one secondary clamp in each secondary clamp is in a use state, the other secondary clamps are in a standby state, the pressing plate assemblies of the secondary clamps in the use state are connected with the lifting seat through the clamping assembly, and the secondary clamp switching needle assemblies of the secondary clamps in the use state are inserted with the primary clamp switching needle assemblies; according to the invention, by replacing different sub-clamps, the circuit boards with different types can be rapidly and conveniently detected, additional detection equipment is not needed, the detection cost can be reduced, and the method is well applicable to the detection of the circuit boards with different types.
Description
Technical field:
the invention relates to the technical field of detection, in particular to a pneumatic interchangeable primary and secondary clamp detection device.
The background technology is as follows:
the principle of the circuit board detection equipment is that a metal probe is connected with a bonding pad or a test point on the circuit board, and under the condition that the circuit board is electrified, typical values such as a voltage value, a current value and the like of a test circuit are obtained, so that whether the tested circuit is normally conducted or not is observed, devices such as a resistor, a capacitor, an inductor, a crystal oscillator and the like can be quantitatively measured, and functional tests are carried out on diodes, triodes, optocouplers, transformers, relays, operational amplifiers, power modules and the like, and functional tests are carried out on medium-small-scale integrated circuits such as ICs (integrated circuits) of all 74 series, memories, common driving types, exchange types and the like. The circuit board inspection apparatus finds defects of the manufacturing process and defects of the components by directly testing the electrical performance of the on-line devices. The component class may check for component value errors, failures or corruption, memory class program errors, and the like. For the process class, faults such as soldering short circuit, misplacement and reverse misplacement of elements, pin tilting, cold joint, PCB short circuit, broken wire and the like can be found. The tested faults are directly positioned on specific elements, device pins and network points, and the fault positioning is accurate.
In the actual detection process, a plurality of circuit boards with different types are often required to be detected, a plurality of specific and different test jigs are required to be detected when the circuit boards with different types are detected, most of the existing detection devices only comprise one test jig and can only be used for detecting the circuit boards with one type independently, and when the circuit boards with different types are detected, a plurality of detection devices are required, so that the detection cost is high.
The invention comprises the following steps:
the invention aims to provide the pneumatic interchangeable primary and secondary clamp detection equipment aiming at the defects in the prior art, which can rapidly and conveniently detect circuit boards of different types, does not need additional detection equipment, can reduce detection cost, and can be well suitable for detecting the circuit boards of different types.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows: a pneumatic interchangeable primary and secondary clamp detection device comprises a case, a cover hinged at the rear end of the top of the case, at least two secondary clamps and a primary clamp arranged in the case; each sub-clamp comprises a carrier plate for loading a circuit board to be tested, a needle plate for connecting the circuit board to be tested and leading out test signals, a sub-clamp transfer needle assembly for leading out needle plate test signals, and a pressing plate assembly for pushing down the circuit board to be tested and connecting the circuit board to be tested with the needle plate, wherein the needle plate is arranged at the bottom of the carrier plate, and the pressing plate assembly is arranged above the carrier plate; the female clamp comprises a lifting seat, a lifting power mechanism, a clamping assembly and a female clamp transfer needle assembly, wherein the lifting seat is slidably connected in a machine cover along the Z-axis direction, the lifting power mechanism is used for driving the lifting seat to lift, the clamping assembly is used for clamping or loosening the pressing plate assembly, the female clamp transfer needle assembly is used for being inserted with the sub-clamp transfer needle assembly, the lifting power mechanism is arranged on the machine cover, the output end of the lifting power mechanism is in driving connection with the lifting seat, the clamping assembly is arranged on the lifting seat, and the female clamp transfer needle assembly and the sub-clamp transfer needle assembly are correspondingly arranged; one sub-clamp in each sub-clamp is in a use state, the other sub-clamps are in a standby state, the sub-clamp in the use state is arranged in the case, a pressing plate component of the sub-clamp in the use state is connected with the lifting seat through a clamping component, and a sub-clamp switching needle component and a main clamp switching needle component of the sub-clamp in the use state are inserted; and an eccentric pushing assembly for pushing the sub-clamp backward and enabling the sub-clamp switching needle assembly to be inserted with the female clamp switching needle assembly is arranged in the case.
The clamping assembly comprises at least two clamping cylinders arranged on the lifting seat, and the output ends of the clamping cylinders are respectively in driving connection with clamping blocks; the clamp plate subassembly includes the clamp plate, sets up two at least location copper sheathing on the clamp plate, along the vertical pressure stick that sets up in the clamp plate bottom of Z axle direction, the lifting seat bottom be equipped with location copper sheathing quantity the same and assorted locating pin, each locating pin inserts respectively in the corresponding location copper sheathing, each clamp splice upwards holds respectively and chucking clamp plate's bottom all around.
The scheme is further improved in that a limited high column is vertically arranged at the bottom of the pressing plate along the Z-axis direction.
The eccentric pushing assembly comprises an eccentric pushing shaft which is rotatably connected in the chassis along the Z-axis direction, an eccentric pushing wheel is sleeved at the middle part of the eccentric pushing shaft, and a rotating handle is sleeved at the top of the eccentric pushing shaft.
According to the scheme, a base block, a compression spring and a clamping block are symmetrically arranged on two sides of the interior of the machine cover respectively, the base block is fixedly arranged on the machine cover, the base block is of a trapezoid structure with a small upper part and a big lower part and a bevel edge at the front end, the compression spring is arranged along the front-back direction, one end of the compression spring is propped against the top of the base block backwards, the other end of the compression spring is propped against the top of the clamping block forwards, the middle part of the clamping block is hinged on the machine cover, a clamping hook part is formed at the bottom of the clamping block, two locking hooks matched with the clamping hook part are arranged at the top of the machine case, the two clamping hook parts are respectively connected with corresponding locking hook buckles, clamping rods are spliced together at the inner sides of the bottoms of the two clamping blocks, a handle is arranged at the front end of the machine cover and is connected to the front end of the machine cover in a sliding mode along the front-back direction, and a pulling plate is arranged at the rear end of the handle; when the handle is pulled forwards, the pulling plate moves forwards and drives the clamping rod to move forwards, the clamping block rotates forwards and upwards, and the two clamping hook parts are respectively connected with the corresponding locking hooks in a stopping and buckling mode.
The improvement of the scheme is that the inner sides of the two clamping blocks are respectively and inwards convexly provided with clamping columns, the two sides of the front end of the lifting seat are respectively provided with an anti-opening hook, and when the lifting seat descends, the anti-opening hooks on the two sides of the lifting seat respectively hook the clamping columns on the corresponding sides.
The technical scheme is further improved in that the carrier plate is provided with a horizontal detection sensor for detecting levelness of the circuit board to be tested.
The technical scheme is further improved in that a scanning module for scanning and identifying information of the circuit board to be tested is arranged below the needle plate.
The scheme is further improved in that the anti-pinch assembly is arranged at the top of the case.
According to the scheme, the auxiliary supporting gas springs are respectively arranged on two sides of the top of the case, the auxiliary supporting gas springs are arranged along the inclined direction, one ends of the auxiliary supporting gas springs are connected with the case cover, and the other ends of the auxiliary supporting gas springs are connected with the case.
The invention has the beneficial effects that: the invention provides a pneumatic interchangeable primary and secondary clamp detection device which comprises a case, a cover hinged at the rear end of the top of the case, at least two secondary clamps and a primary clamp arranged in the case, wherein the cover is hinged with the back end of the top of the case; each sub-clamp comprises a carrier plate for loading a circuit board to be tested, a needle plate for connecting the circuit board to be tested and leading out test signals, a sub-clamp transfer needle assembly for leading out needle plate test signals, and a pressing plate assembly for pushing down the circuit board to be tested and connecting the circuit board to be tested with the needle plate, wherein the needle plate is arranged at the bottom of the carrier plate, and the pressing plate assembly is arranged above the carrier plate; the female clamp comprises a lifting seat, a lifting power mechanism, a clamping assembly and a female clamp transfer needle assembly, wherein the lifting seat is slidably connected in a machine cover along the Z-axis direction, the lifting power mechanism is used for driving the lifting seat to lift, the clamping assembly is used for clamping or loosening the pressing plate assembly, the female clamp transfer needle assembly is used for being inserted with the sub-clamp transfer needle assembly, the lifting power mechanism is arranged on the machine cover, the output end of the lifting power mechanism is in driving connection with the lifting seat, the clamping assembly is arranged on the lifting seat, and the female clamp transfer needle assembly and the sub-clamp transfer needle assembly are correspondingly arranged; one sub-clamp in each sub-clamp is in a use state, the other sub-clamps are in a standby state, the sub-clamp in the use state is arranged in the case, a pressing plate component of the sub-clamp in the use state is connected with the lifting seat through a clamping component, and a sub-clamp switching needle component and a main clamp switching needle component of the sub-clamp in the use state are inserted; an eccentric pushing assembly for pushing the sub-clamp backward and enabling the sub-clamp switching needle assembly to be inserted with the main clamp switching needle assembly is arranged in the case; the invention has the following beneficial effects:
1. the invention comprises a master clamp and at least two sub clamps, wherein different sub clamps can correspond to circuit boards of different types for detection, and the circuit boards of different types can be rapidly and conveniently detected by replacing different sub clamps without additional detection equipment, so that the detection cost can be reduced, and the invention is well applicable to the detection of the circuit boards of different types;
2. with the increase of the number of transfer signal pins of the transfer pin assembly, the difficulty of the opposite insertion of the sub-clamp transfer pin assembly and the female clamp transfer pin assembly is increased, and the eccentric pushing assembly for pushing the sub-clamp backward and enabling the sub-clamp transfer pin assembly and the female clamp transfer pin assembly to be opposite inserted is arranged in the chassis, so that the sub-clamp can be easily pushed to move backward through the eccentric pushing assembly, the opposite insertion of the sub-clamp transfer pin assembly and the female clamp transfer pin assembly can be accurately and stably realized, and the machine case is applicable to the opposite insertion of the sub-clamp transfer pin assembly and the female clamp transfer pin assembly with more transfer signal pins;
3. according to the invention, the two clamping blocks are respectively provided with the clamping columns in an inward protruding manner, the two sides of the front end of the lifting seat are respectively provided with the anti-opening hooks, when the lifting seat descends, the anti-opening hooks on the two sides of the lifting seat respectively hook the clamping columns on the corresponding sides, namely when the detection equipment is in a detection state, the anti-opening hooks on the two sides of the lifting seat respectively hook the clamping columns on the corresponding sides, at the moment, the handle cannot be pulled outwards, namely the opening cover cannot be opened, the normal detection process is prevented from being influenced due to the fact that the cover in the detection process is opened by misoperation, and therefore the detection stability is ensured.
Description of the drawings:
fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic exploded view of the present invention.
Fig. 3 is an exploded view of another view of the present invention.
Fig. 4 is a schematic structural view of the sub-jig of the present invention.
Fig. 5 is a schematic structural view of the female jig of the present invention.
Fig. 6 is a schematic view of another view of the female clamp of the present invention.
Fig. 7 is a schematic structural view of the eccentric urging assembly of the present invention.
Reference numerals illustrate: the machine case 1, the machine cover 2, the sub-clamp 3, the carrier plate 31, the needle plate 32, the sub-clamp switching needle assembly 33, the pressing plate assembly 34, the pressing plate 341, the positioning copper sleeve 342, the pressing rod 343, the height limiting column 344, the female clamp 4, the lifting seat 41, the positioning pin 42, the lifting power mechanism 43, the clamping assembly 44, the clamping cylinder 441, the clamping block 442, the female clamp switching needle assembly 45, the eccentric pushing assembly 46, the eccentric pushing shaft 461, the eccentric pushing wheel 462, the rotating handle 463, the base block 5, the compression spring 6, the clamping block 7, the clamping hook portion 71, the locking hook 8, the clamping rod 9, the handle 10, the pulling plate 11, the clamping column 12, the anti-opening hook 13, the horizontal detection sensor 14, the scanning module 15, the anti-clamping hand assembly 16 and the auxiliary supporting gas spring 17.
The specific embodiment is as follows:
the invention is further described below with reference to the accompanying drawings, as shown in fig. 1-7, the invention comprises a case 1, a cover 2 hinged at the rear end of the top of the case 1, at least two sub-clamps 3, and a main clamp 4 arranged in the case 1; each sub-fixture 3 comprises a carrier plate 31 for loading a circuit board to be tested, a needle plate 32 for connecting the circuit board to be tested and guiding out test signals, a sub-fixture transfer needle assembly 33 for guiding out test signals of the needle plate 32, and a pressing plate assembly 34 for pushing down the circuit board to be tested and connecting the circuit board to be tested with the needle plate 32, wherein the needle plate 32 is arranged at the bottom of the carrier plate 31, and the pressing plate assembly 34 is arranged above the carrier plate 31; the female clamp 4 comprises a lifting seat 41 which is slidably connected in the machine cover 2 along the Z-axis direction, a lifting power mechanism 43 for driving the lifting seat 41 to lift, a clamping assembly 44 for clamping or loosening the pressing plate assembly 34, and a female clamp transfer needle assembly 45 for being inserted with the sub clamp transfer needle assembly 33, wherein the lifting power mechanism 43 is arranged on the machine cover 2, the output end of the lifting power mechanism 43 is in driving connection with the lifting seat 41, the clamping assembly 44 is arranged on the lifting seat 41, and the female clamp transfer needle assembly 45 and the sub clamp transfer needle assembly 33 are correspondingly arranged; one sub-clamp 3 of each sub-clamp 3 is in a use state, the other sub-clamps 3 are in a standby state, the sub-clamp 3 in the use state is arranged in the case 1, the pressing plate component 34 of the sub-clamp 3 in the use state is connected with the lifting seat 41 through the clamping component 44, and the sub-clamp transfer needle component 33 of the sub-clamp 3 in the use state is inserted with the female clamp transfer needle component 45; an eccentric pushing component 46 for pushing the sub-clamp 3 backwards and enabling the sub-clamp transfer needle component 33 and the female clamp transfer needle component 45 to be inserted in opposite directions is arranged in the case 1; the invention comprises a master clamp 4 and at least two sub clamps 3, wherein different sub clamps 3 can correspond to circuit boards of different types, and the circuit boards of different types can be rapidly and conveniently detected by replacing different sub clamps 3, so that additional detection equipment is not needed, the detection cost can be reduced, and the invention is well applicable to the detection of the circuit boards of different types; with the increase of the number of the transfer signal pins of the transfer pin assembly, the difficulty of the opposite insertion of the sub-clip transfer pin assembly 33 and the female clip transfer pin assembly 45 is increased, and the eccentric pushing assembly 46 for pushing the sub-clip 3 backwards and enabling the sub-clip transfer pin assembly 33 and the female clip transfer pin assembly 45 to opposite insertion is arranged in the chassis 1 of the invention, so that the sub-clip 3 can be easily pushed to move backwards through the eccentric pushing assembly 46, the opposite insertion of the sub-clip transfer pin assembly 33 and the female clip transfer pin assembly 45 can be accurately and stably realized, and the invention is applicable to the opposite insertion of the sub-clip transfer pin assembly 33 and the female clip transfer pin assembly 45 with more transfer signal pins.
The clamping assembly 44 comprises at least two clamping cylinders 441 arranged on the lifting seat 41, and the output ends of the clamping cylinders 441 are respectively connected with clamping blocks 442 in a driving way; the pressing plate assembly 34 comprises a pressing plate 341, at least two positioning copper sleeves 342 arranged on the pressing plate 341, and pressing rods 343 vertically arranged at the bottom of the pressing plate 341 along the Z-axis direction, positioning pins 42 which are the same as the positioning copper sleeves 342 in number and matched with each other are arranged at the bottom of the lifting seat 41, each positioning pin 42 is respectively inserted into the corresponding positioning copper sleeve 342, and each clamping block 442 respectively upwards supports and clamps the periphery of the bottom of the pressing plate 341.
The bottom of clamp plate 341 is along the vertical limited high post 344 that is provided with of Z axle direction, can restrict the height that clamp plate 341 can descend through the high post 344 of limit, presses the distance of excellent 343 downward pressure promptly, can prevent that excellent 343 from pressing the circuit board that awaits measuring from pressing, avoids damaging the circuit board that awaits measuring, and the practicality is stronger.
The eccentric pushing component 46 comprises an eccentric pushing shaft 461 rotatably connected in the chassis 1 along the Z-axis direction, the middle part of the eccentric pushing shaft 461 is sleeved with an eccentric pushing wheel 462, the top of the eccentric pushing shaft 461 is sleeved with a rotating handle 463, the rotating handle 463 can drive the eccentric pushing wheel 462 to push the sub-clamp 3 backwards, the sub-clamp 3 can be easily pushed to move backwards, the sub-clamp transfer needle component 33 and the female clamp transfer needle component 45 can be accurately and stably inserted, and the method can be suitable for the insertion of the sub-clamp transfer needle component 33 with more transfer signal needles and the female clamp transfer needle component 45.
The two sides of the interior of the machine cover 2 are symmetrically provided with a base block 5, a compression spring 6 and a clamping block 7 respectively, the base block 5 is fixedly arranged on the machine cover 2, the base block 5 is of a trapezoid structure with a small upper part and a big lower part and a bevel edge at the front end, the compression spring 6 is arranged along the front-back direction, one end of the compression spring 6 is propped against the top of the base block 5 backwards, the other end of the compression spring 6 is propped against the top of the clamping block 7 forwards, the middle part of the clamping block 7 is hinged on the machine cover 2, the bottom of the clamping block 7 is provided with a clamping hook part 71, the top of the machine case 1 is provided with two locking hooks 8 matched with the clamping hook part 71, the two clamping hook parts 71 are respectively connected with corresponding locking hooks 8 in a clamping manner, clamping rods 9 are spliced together at the inner sides of the bottoms of the two clamping blocks 7, a handle 10 is arranged at the front end of the machine cover 2 and is connected with the front end of the machine cover 2 in a sliding manner along the front-back direction, and the rear end of the handle 10 is provided with a pulling plate 11; when the handle 10 is pulled forwards, the pulling plate 11 moves forwards and drives the clamping rod 9 to move forwards, the clamping block 7 rotates forwards and upwards, and the two clamping hook parts 71 are respectively stopped to be in clamping connection with the corresponding locking hooks 8; when the cover 2 is turned downwards and pressed, the two clamping hook parts 71 are respectively in buckling connection with the corresponding locking hooks 8, and the cover 2 is tightly covered on the case 1; the handle 10 is pulled forwards, the pulling plate 11 moves forwards and drives the clamping rod 9 to move forwards, the clamping block 7 rotates forwards and upwards, the two clamping hook parts 71 are respectively connected with the corresponding locking hooks 8 in a stopping and buckling mode, and at the moment, the opening cover 2 can be opened by overturning upwards.
The inner sides of the two clamping blocks 7 are respectively and inwards convexly provided with clamping columns 12, the two sides of the front end of the lifting seat 41 are respectively provided with an anti-opening hook 13, and when the lifting seat 41 descends, the anti-opening hooks 13 on the two sides of the lifting seat 41 respectively hook the clamping columns 12 on the corresponding sides; according to the invention, the two clamping blocks 7 are respectively and inwards convexly provided with the clamping columns 12, the two sides of the front end of the lifting seat 41 are respectively provided with the anti-opening hooks 13, when the lifting seat 41 descends, the anti-opening hooks 13 on the two sides of the lifting seat 41 respectively hook the clamping columns 12 on the corresponding sides, namely when the detection equipment is in a detection state, the anti-opening hooks 13 on the two sides of the lifting seat 41 respectively hook the clamping columns 12 on the corresponding sides, at the moment, the handle 10 cannot be pulled outwards, namely the opening of the opening cover 2 cannot be opened, the normal operation of detection can be prevented from being influenced due to the misoperation of opening the cover 2 in the detection process, and the detection stability can be ensured.
The horizontal detection sensor 14 for detecting the levelness of the circuit board to be tested is arranged on the carrier plate 31, the levelness of the circuit board to be tested can be detected in real time through the horizontal detection sensor 14, the horizontal placement of the circuit board to be tested can be guaranteed, and accordingly the smooth detection is guaranteed.
The scanning module 15 for scanning and identifying the information of the circuit boards to be tested is arranged below the needle plate 32, and the scanning module 15 can automatically scan and identify the two-dimensional codes of the circuit boards to be tested, so that manual scanning and identifying are not needed, and the detection efficiency can be improved.
The top of machine case 1 is equipped with prevents tong subassembly 16, prevents tong subassembly 16 and includes knob, ejector pin, torsional spring, and the ejector pin passes through the torsional spring and articulates in the top of machine case 1, can control the ejector pin through the knob and upwards or rotate downwards, and when the ejector pin upwards rotates and vertically upwards, can prevent that the unexpected whereabouts of bonnet 2 from holding the hand, uses safelyr, reliable.
The top both sides of machine case 1 are equipped with auxiliary stay gas spring 17 respectively, and auxiliary stay gas spring 17 sets up along the incline direction, and auxiliary stay gas spring 17's one end is connected with lid 2, and auxiliary stay gas spring 17's the other end is connected with machine case 1, can play the supporting role when lid 2 upwards opens through auxiliary stay gas spring 17, prevents that lid 2 from overturning downwards, need not extra hand and supports, is convenient for put into, takes out to wait to test the circuit board and operate machine case 1 inside, and the practicality is strong.
Working principle:
opening the machine cover 2, putting the sub-clamp 3 required by current detection into the machine case 1, enabling the sub-clamp switching needle assembly 33 and the main clamp switching needle assembly 45 in the machine case 1 to be inserted by rotating the rotating handle 463, tightly covering the machine cover 2, driving the lifting seat 41 to descend by the lifting power mechanism 43, respectively inserting each positioning pin 42 at the bottom of the lifting seat 41 into a corresponding positioning copper sleeve 342 on the pressing plate 341, respectively extending out the output end of each clamping cylinder 441 at the bottom of the lifting seat 41 and driving the clamping block 442 to extend out, respectively supporting and clamping the periphery of the bottom of the pressing plate 341 upwards by each clamping block 442, driving the lifting seat 41 to ascend by the lifting power mechanism 43, and enabling the pressing plate assembly 34 of the sub-clamp 3 to be connected with the lifting seat 41 together, thereby completing the putting and mounting of the sub-clamp 3;
opening the machine cover 2, placing the circuit board to be tested on the carrier plate 31, tightly covering the machine cover 2, driving the lifting seat 41 to descend by the lifting power mechanism 43, namely, descending the pressing plate 341, pushing the circuit board to be tested downwards by the pressing rod 343, connecting the circuit board to be tested with the needle plate 32, testing the circuit board to be tested, opening the machine cover 2 after the current testing of the circuit board to be tested is completed, taking out the circuit board to be tested and putting the circuit board to be tested into other circuit boards to be tested, covering the machine cover 2, and testing the next circuit board to be tested;
when testing is required for other types of circuit boards, the machine cover 2 is covered firstly, the lifting power mechanism 43 drives the lifting seat 41 to descend, the output ends of the clamping cylinders 441 at the bottom of the lifting seat 41 retract inwards respectively and drive the clamping blocks 442 to retract inwards, the clamping blocks 442 loosen the supporting and clamping of the periphery of the bottom of the pressing plate 341 respectively, the lifting power mechanism 43 drives the lifting seat 41 to ascend and reset, the pressing plate assembly 34 is unloaded on the carrier plate 31, the sub-clamp 3 is pulled forwards, the sub-clamp transfer needle assembly 33 and the female clamp transfer needle assembly 45 are disconnected, the current whole sub-clamp 3 is taken out of the machine case 1, the taking out of the current sub-clamp 3 is completed, the steps of putting in and installing the sub-clamp 3 are repeated, and the sub-clamps 3 required by the detection of other types of circuit boards are put in and installed, and the replacement of different sub-clamps 3 is completed;
according to the invention, by replacing different sub-clamps 3, the circuit boards with different types can be rapidly and conveniently detected, no additional detection equipment is needed, the detection cost can be reduced, and the method is well applicable to the detection of the circuit boards with different types.
It is understood that the foregoing description is only of the preferred embodiments of the invention, and that the invention is not limited to the specific details of construction, features and principles disclosed herein.
Claims (9)
1. A pneumatic interchangeable primary and secondary anchor clamps check out test set, its characterized in that: the device comprises a case (1), a cover (2) hinged at the rear end of the top of the case (1), at least two sub-clamps (3) and a mother clamp (4) arranged in the case (1); each sub-clamp (3) comprises a carrier plate (31) for loading a circuit board to be tested, a needle plate (32) for connecting the circuit board to be tested and leading out test signals, a sub-clamp transfer needle assembly (33) for leading out test signals of the needle plate (32), and a pressing plate assembly (34) for pushing down the circuit board to be tested and connecting the circuit board to be tested with the needle plate (32), wherein the needle plate (32) is arranged at the bottom of the carrier plate (31), and the pressing plate assembly (34) is arranged above the carrier plate (31); the female clamp (4) comprises a lifting seat (41) which is slidably connected in the machine cover (2) along the Z-axis direction, a lifting power mechanism (43) which is used for driving the lifting seat (41) to lift, a clamping assembly (44) which is used for clamping or loosening the pressing plate assembly (34), and a female clamp transfer needle assembly (45) which is used for being inserted with the sub clamp transfer needle assembly (33), wherein the lifting power mechanism (43) is arranged on the machine cover (2), the output end of the lifting power mechanism (43) is in driving connection with the lifting seat (41), the clamping assembly (44) is arranged on the lifting seat (41), and the female clamp transfer needle assembly (45) and the sub clamp transfer needle assembly (33) are correspondingly arranged; one sub-clamp (3) of each sub-clamp (3) is in a use state, the other sub-clamps (3) are in a standby state, the sub-clamp (3) in the use state is arranged in the case (1), a pressing plate assembly (34) of the sub-clamp (3) in the use state is connected with a lifting seat (41) through a clamping assembly (44), and a sub-clamp transfer needle assembly (33) of the sub-clamp (3) in the use state is inserted with a female clamp transfer needle assembly (45); an eccentric pushing component (46) for pushing the sub-clamp (3) backwards and enabling the sub-clamp transfer needle component (33) and the main clamp transfer needle component (45) to be inserted in opposite mode is arranged in the case (1); the clamping assembly (44) comprises at least two clamping cylinders (441) arranged on the lifting seat (41), and the output ends of the clamping cylinders (441) are respectively connected with clamping blocks (442) in a driving mode; the clamp plate subassembly (34) include clamp plate (341), set up at least two location copper sheathing (342) on clamp plate (341), along the vertical pressure stick (343) that set up in clamp plate (341) bottom of Z axle direction, lift seat (41) bottom be equipped with location copper sheathing (342) quantity the same and assorted locating pin (42), in corresponding location copper sheathing (342) are inserted respectively to each locating pin (42), around the bottom of each clamp splice (442) upwards holding and chucking clamp plate (341) respectively.
2. A pneumatic interchangeable master and slave clamp inspection apparatus according to claim 1, wherein: the bottom of the pressing plate (341) is vertically provided with a limited high column (344) along the Z-axis direction.
3. A pneumatic interchangeable master and slave clamp inspection apparatus according to claim 1, wherein: the eccentric pushing assembly (46) comprises an eccentric pushing shaft (461) which is rotatably connected in the chassis (1) along the Z-axis direction, an eccentric pushing wheel (462) is sleeved at the middle position of the eccentric pushing shaft (461), and a rotating handle (463) is sleeved at the top of the eccentric pushing shaft (461).
4. A pneumatic interchangeable master and slave clamp inspection apparatus according to claim 1, wherein: the machine cover is characterized in that base blocks (5), compression springs (6) and clamping blocks (7) are symmetrically arranged on two sides of the interior of the machine cover (2), the base blocks (5) are fixedly arranged on the machine cover (2), the base blocks (5) are of trapezoid structures with small upper parts and large lower parts, inclined edges are located at the front ends, the compression springs (6) are arranged in the front-back direction, one ends of the compression springs (6) are propped against the tops of the base blocks (5) backwards, the other ends of the compression springs (6) are propped against the tops of the clamping blocks (7) forwards, the middle parts of the clamping blocks (7) are hinged to the machine cover (2), the bottoms of the clamping blocks (7) are provided with clamping hook parts (71), two locking hook parts (8) matched with the clamping hook parts (71) are respectively connected with corresponding locking hook parts in a buckling mode, clamping rods (9) are spliced together at the inner sides of the bottoms of the two clamping blocks (7), handles (10) are arranged at the front ends of the machine cover (2), the handles (10) are connected to the front ends of the machine cover (2) in a sliding mode in the front-back direction, and the rear ends of the handles (10) are provided with handles (11); when the handle (10) is pulled forwards, the pulling plate (11) moves forwards and drives the clamping rod (9) to move forwards, the clamping block (7) rotates forwards and upwards, and the two clamping hook parts (71) are respectively connected with the corresponding locking hooks (8) in a stopping and buckling mode.
5. The pneumatic interchangeable master-slave clamp detection apparatus according to claim 4, wherein: the inner sides of the two clamping blocks (7) are respectively and inwards convexly provided with clamping columns (12), the two sides of the front end of the lifting seat (41) are respectively provided with an anti-opening hook (13), and when the lifting seat (41) descends, the anti-opening hooks (13) on the two sides of the lifting seat (41) respectively hook the clamping columns (12) on the corresponding sides.
6. A pneumatic interchangeable master and slave clamp inspection apparatus according to claim 1, wherein: the carrier plate (31) is provided with a horizontal detection sensor (14) for detecting levelness of the circuit board to be tested.
7. A pneumatic interchangeable master and slave clamp inspection apparatus according to claim 1, wherein: a scanning module (15) for scanning and identifying the information of the circuit board to be tested is arranged below the needle plate (32).
8. A pneumatic interchangeable master and slave clamp inspection apparatus according to claim 1, wherein: the top of the case (1) is provided with an anti-pinch component (16).
9. A pneumatic interchangeable master and slave clamp inspection apparatus according to claim 1, wherein: auxiliary supporting gas springs (17) are respectively arranged on two sides of the top of the case (1), the auxiliary supporting gas springs (17) are arranged in an inclined direction, one end of each auxiliary supporting gas spring (17) is connected with the case cover (2), and the other end of each auxiliary supporting gas spring (17) is connected with the case (1).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011459097.4A CN112526323B (en) | 2020-12-11 | 2020-12-11 | Pneumatic interchangeable primary and secondary anchor clamps check out test set |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011459097.4A CN112526323B (en) | 2020-12-11 | 2020-12-11 | Pneumatic interchangeable primary and secondary anchor clamps check out test set |
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| CN112526323A CN112526323A (en) | 2021-03-19 |
| CN112526323B true CN112526323B (en) | 2024-02-20 |
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| CN112526323A (en) | 2021-03-19 |
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Address after: 518000 floor 1, No.2, Dongtang Industrial Zone, Chuangxin Road, Shatou community, Shajing street, Bao'an District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Weite Precision Technology Co.,Ltd. Country or region after: China Address before: 518000 floor 1, No.2, Dongtang Industrial Zone, Chuangxin Road, Shatou community, Shajing street, Bao'an District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN MICROTEST AUTOMATION Co.,Ltd. Country or region before: China |