Pneumatic interchangeable primary and secondary anchor clamps check out test set
The technical field is as follows:
the utility model relates to a detect technical field, especially relate to a female anchor clamps check out test set of pneumatic interchangeable formula.
Background art:
the principle of the circuit board detection equipment is that a pad or a test point on a circuit board is connected through a metal probe, typical values such as a voltage value and a current value of the test circuit are obtained under the condition that the circuit board is electrified, 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, functional tests are performed on a diode, a triode, an optical coupler, a transformer, a relay, an operational amplifier, a power supply module and the like, and functional tests are performed on small-scale integrated circuits such as all 74-series, Memory type, common driving type, switching type and other ICs. The circuit board detection equipment directly tests the electrical performance of the on-line device to find the defects of the manufacturing process and the defects of the device. The component class may check for out-of-tolerance, failure or corruption of component values, program errors in the Memory class, etc. Faults such as short circuit of soldering tin, wrong insertion, reverse insertion, neglected mounting, tilting and rosin joint of pins, short circuit and disconnection of a PCB (printed circuit board) and the like can be found in the process. The tested fault is directly positioned on a specific element, a device pin and a network point, and the fault positioning is accurate.
In the actual detection process, the circuit boards of various different models are often required to be detected, and when the circuit boards of various different models are detected, a plurality of specific and different test fixtures are required to be detected, most of the existing detection equipment only comprises one test fixture and can only be used for detecting the circuit board of one model, when the circuit boards of various different models are detected, a plurality of detection equipment are required, and the detection cost is higher.
The utility model has the following contents:
the utility model aims at providing a pneumatic interchangeable formula primary and secondary anchor clamps check out test set just to the not enough of prior art existence, can detect the circuit board of multiple different models fast, conveniently, need not extra check out test set, can reduce the detection cost, can be applicable to the detection of the circuit board of multiple different models well.
In order to realize the purpose, the utility model discloses a technical scheme is: a pneumatic interchangeable primary-secondary clamp detection device comprises a case, a cover hinged to 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 a test signal, a sub-clamp switching needle assembly for leading out the test signal of the needle plate, and a pressing plate assembly for downwards jacking 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 switching needle assembly, wherein the lifting seat is connected in the machine cover in a sliding mode 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 switching needle assembly is used for being oppositely inserted into the female clamp switching needle assembly, the lifting power mechanism is arranged on the machine cover, the output end of the lifting power mechanism is connected with the lifting seat in a driving mode, the clamping assembly is arranged on the lifting seat, and the female clamp switching needle assembly are arranged correspondingly; one of the sub-clamps is in a use state, the other sub-clamps are in a standby state, the sub-clamps in the use state are arranged in the case, the pressing plate assembly of the sub-clamps in the use state is connected with the lifting seat through the clamping assembly, and the sub-clamp adapter pin assembly of the sub-clamps in the use state is oppositely inserted with the main clamp adapter pin assembly.
The further improvement of the scheme is that the clamping assembly comprises at least two clamping cylinders arranged on the lifting seat, and the output ends of the clamping cylinders are respectively connected with a clamping block in a driving manner; the pressing plate assembly comprises a pressing plate, at least two positioning copper sleeves arranged on the pressing plate, and a pressing rod vertically arranged at the bottom of the pressing plate along the Z-axis direction, positioning pins which are the same as the positioning copper sleeves in quantity and are matched with the positioning copper sleeves are arranged at the bottom of the lifting seat, the positioning pins are respectively inserted into the corresponding positioning copper sleeves, and the clamping blocks are respectively upwards supported and tightly clamped around the bottom of the pressing plate.
The further improvement of the scheme is that the bottom of the pressing plate is vertically provided with a height limiting column along the Z-axis direction.
The improved structure of the technical scheme is characterized in that base blocks, compression springs and clamping blocks are symmetrically arranged on two sides of the inner part of the machine cover respectively, the base blocks are fixedly arranged on the machine cover and are of a trapezoidal structure with a small upper part and a large lower part, and inclined edges are positioned at the front end; when the handle is pulled forwards, the pulling plate moves forwards and drives the clamping rod to move forwards, the clamping block rotates towards the upper part, and the two clamping hook parts are respectively connected with the corresponding locking hooks in a stopping and buckling mode.
The further improvement of the scheme is that the inner sides of the two clamping blocks are respectively provided with a clamping column in an inward protruding manner, 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 column on the corresponding side.
The technical scheme is further improved in that a horizontal detection sensor for detecting the levelness of the circuit board to be tested is arranged on the carrier plate.
The technical proposal is further improved in that a scanning module for scanning and identifying the information of the circuit board to be tested is arranged below the needle plate.
The further improvement of the scheme is that the top of the case is provided with an anti-pinch component.
The further improvement to the above scheme is that the top both sides of quick-witted case are equipped with the auxiliary stay air spring respectively, and the auxiliary stay air spring sets up along the incline direction, and the one end of auxiliary stay air spring is connected with the cover, and the other end of auxiliary stay air spring is connected with quick-witted case.
The utility model has the advantages that: the utility model 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; 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 a test signal, a sub-clamp switching needle assembly for leading out the test signal of the needle plate, and a pressing plate assembly for downwards jacking 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 switching needle assembly, wherein the lifting seat is connected in the machine cover in a sliding mode 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 switching needle assembly is used for being oppositely inserted into the female clamp switching needle assembly, the lifting power mechanism is arranged on the machine cover, the output end of the lifting power mechanism is connected with the lifting seat in a driving mode, the clamping assembly is arranged on the lifting seat, and the female clamp switching needle assembly are arranged correspondingly; one of the sub-clamps is in a use state, the other sub-clamps are in a standby state, the sub-clamps in the use state are arranged in the case, the pressing plate assembly of the sub-clamps in the use state is connected with the lifting seat through the clamping assembly, and the sub-clamp adapter pin assembly of the sub-clamps in the use state is oppositely inserted with the main clamp adapter pin assembly; the utility model discloses following beneficial effect has:
1. the utility model discloses a female anchor clamps and two at least sub-anchor clamps, different sub-anchor clamps can correspond the circuit board detection of different models, through changing different sub-anchor clamps, can detect the circuit board of multiple different models fast, conveniently, need not extra check out test set, can reduce the detection cost, can be applicable to the detection of the circuit board of multiple different models well;
2. the utility model discloses a two chucking pieces are inwards protruding respectively and are equipped with the card post, the front end both sides of lift seat are equipped with respectively and prevent opening colluding, when the lift seat descends, the card post of corresponding one side is colluded respectively to the preventing opening of lift seat both sides, be in when detection equipment is in the detection state promptly, the card post of corresponding one side is colluded respectively to the preventing opening of lift seat both sides, at this moment, the handle can't outwards stimulate, can't open the cover promptly, can prevent to open the cover that is in the testing process because of the maloperation and influence the normal clear of detection, thereby can guarantee the stability of detection.
Description of the drawings:
fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the exploded structure of the present invention.
Fig. 3 is an exploded schematic view of another view angle of the present invention.
Fig. 4 is a schematic structural view of the sub-clamp of the present invention.
Fig. 5 is a schematic structural view of the female clamp of the present invention.
Fig. 6 is a schematic structural view of another view angle of the female clamp of the present invention.
Description of reference numerals: the machine case 1, the machine cover 2, the sub-clamp 3, the carrier plate 31, the needle plate 32, the sub-clamp adapter assembly 33, the pressure plate assembly 34, the pressure plate 341, the positioning copper sleeve 342, the pressure rod 343, the height limiting column 344, the main 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 main clamp adapter assembly 45, the base block 5, the compression spring 6, the clamping block 7, the clamping hook part 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-pinch assembly 16 and the auxiliary supporting gas spring 17.
The specific implementation mode is as follows:
the present invention will be further explained with reference to the accompanying drawings, as shown in fig. 1-6, the present invention comprises a case 1, a cover 2 hinged to the rear end of the top of the case 1, at least two sub-clamps 3, and a main clamp 4 disposed 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 a test signal, a sub-clamp adapter needle assembly 33 for leading out the test signal of the needle plate 32, and a pressure plate assembly 34 for pressing the circuit board to be tested downwards and connecting the circuit board to be tested and the needle plate 32, wherein the needle plate 32 is arranged at the bottom of the carrier plate 31, and the pressure plate assembly 34 is arranged above the carrier plate 31; the female clamp 4 comprises a lifting seat 41 connected in the cover 2 in a sliding manner along the Z-axis direction, a lifting power mechanism 43 used for driving the lifting seat 41 to lift, a clamping assembly 44 used for clamping or loosening the pressing plate assembly 34, and a female clamp adapter assembly 45 used for being oppositely inserted with the female clamp adapter assembly 33, wherein the lifting power mechanism 43 is arranged on the cover 2, the output end of the lifting power mechanism 43 is connected with the lifting seat 41 in a driving manner, the clamping assembly 44 is arranged on the lifting seat 41, and the female clamp adapter assembly 45 is arranged corresponding to the female clamp adapter assembly 33; one sub-clamp 3 in 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 assembly 34 of the sub-clamp 3 in the use state is connected with the lifting seat 41 through the clamping assembly 44, and the sub-clamp adapter pin assembly 33 of the sub-clamp 3 in the use state is inserted into the main clamp adapter pin assembly 45; the utility model discloses a female anchor clamps 4 and two at least sub-anchor clamps 3, different sub-anchor clamps 3 can correspond the circuit board detection of different models, through changing different sub-anchor clamps 3, can detect the circuit board of multiple different models fast, conveniently, need not extra check out test set, can reduce the detection cost, can be applicable to the detection of the circuit board of multiple different models well.
The clamping assembly 44 comprises at least two clamping cylinders 441 arranged on the lifting seat 41, and the output end of each clamping cylinder 441 is respectively connected with a clamping block 442 in a driving manner; the pressing plate assembly 34 includes a pressing plate 341, at least two positioning copper sleeves 342 disposed on the pressing plate 341, and a pressing rod 343 vertically disposed at the bottom of the pressing plate 341 along the Z-axis direction, positioning pins 42 having the same number as the positioning copper sleeves 342 and matching with the positioning copper sleeves are disposed at the bottom of the lifting seat 41, each positioning pin 42 is inserted into the corresponding positioning copper sleeve 342, and each clamping block 442 upwards holds and clamps the periphery of the bottom of the pressing plate 341.
The bottom of clamp plate 341 is provided with limit for height post 344 along the Z axle direction is vertical, can restrict the height that clamp plate 341 can descend through limit for height post 344, presses the distance that stick 343 pushed down promptly, can prevent to press stick 343 excessive pressure to await measuring the circuit board, avoids damaging the circuit board that awaits measuring, and the practicality is stronger.
The two sides of the inner part of the machine cover 2 are respectively and symmetrically provided with a base block 5 and a compression spring 6, the clamping device comprises clamping blocks 7, a base block 5 is fixedly arranged on a machine cover 2, the base block 5 is of a trapezoidal structure with a small top and a large bottom, the inclined edge of the trapezoidal structure is located at the front end, a compression spring 6 is arranged along the front-back direction, one end of the compression spring 6 supports against the top of the base block 5 backwards, the other end of the compression spring 6 supports against the top of the clamping block 7 forwards, the middle of the clamping block 7 is hinged to the machine cover 2, a clamping hook part 71 is formed at the bottom of the clamping block 7, two locking hooks 8 matched with the clamping hook part 71 are arranged at the top of a case 1, the two clamping hook parts 71 are respectively connected with the corresponding locking hooks 8 in a buckling mode, clamping rods 9 are jointly inserted into 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, the handle 10 is slidably connected to the front end of the machine cover 2 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 being in clamping connection with the corresponding lock hooks 8; when the cover 2 is turned and pressed downwards, the two clamping hook parts 71 are respectively connected with the corresponding locking hooks 8 in a buckling manner, 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 respectively stop being in clamping connection with the corresponding locking hooks 8, and at the moment, the cover 2 can be opened by upwards overturning.
The inner sides of the two clamping blocks 7 are respectively provided with clamping columns 12 in an inward protruding manner, 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 two sides of the lifting seat 41 respectively hook the clamping columns 12 on the corresponding side; the utility model discloses a two chucking pieces 7 are inwards protruding respectively and are equipped with the card post 12, the front end both sides of lift seat 41 are equipped with respectively prevents opening and collude 13, when lift seat 41 descends, the card post 12 of corresponding one side is colluded respectively to the preventing opening and colluding 13 of lift seat 41 both sides, when check out test set is in the detection state promptly, the card post 12 of corresponding one side is colluded respectively to the preventing opening and colluding 13 of lift seat 41 both sides, at this moment, handle 10 can not stimulate outwards, can't open cover 2 promptly, can prevent to open cover 2 in the testing process because of the maloperation and influence the normal clear of detection, thereby can guarantee the stability of detection.
The support plate 31 is provided with a level detection sensor 14 for detecting the levelness of the circuit board to be tested, the levelness of the circuit board to be tested can be detected in real time through the level detection sensor 14, the circuit board to be tested can be placed horizontally, and therefore 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, the scanning module 15 can automatically scan and identify the two-dimensional codes of the circuit boards to be tested, manual scanning and identification are not needed, and the detection efficiency can be improved.
The top of machine case 1 is equipped with prevents tong subassembly 16, prevents that tong subassembly 16 includes knob, ejector pin, torsional spring, and the ejector pin passes through the torsional spring to articulate in machine case 1's top, can control the ejector pin through the knob and upwards or rotate downwards, when ejector pin upwards rotates and vertical upwards, can prevent that the unexpected whereabouts of cover 2 from pressing from both sides the hand, uses safelyr, reliable more.
The top both sides of quick-witted case 1 are equipped with auxiliary stay air spring 17 respectively, auxiliary stay air spring 17 sets up along the incline direction, the one end of auxiliary stay air spring 17 is connected with cover 2, the other end of auxiliary stay air spring 17 is connected with quick-witted case 1, can upwards play the supporting role when opening at cover 2 through auxiliary stay air spring 17, prevent that cover 2 from overturning downwards, need not extra hand and support, be convenient for put into, take out the examination circuit board that awaits measuring and operate quick-witted case 1 inside, therefore, the clothes hanger is strong in practicability.
The working principle is as follows:
opening the cover 2, placing the sub-clamp 3 required by the current detection into the case 1, inserting the sub-clamp adapter pin assembly 33 in the case 1 into the main clamp adapter pin assembly 45, tightly covering the cover 2, driving the lifting seat 41 to descend by the lifting power mechanism 43, inserting each positioning pin 42 at the bottom of the lifting seat 41 into the corresponding positioning copper sleeve 342 on the pressing plate 341, respectively extending the output end of each clamping cylinder 441 at the bottom of the lifting seat 41 outwards and driving the clamping block 442 to extend outwards, 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, ascending the pressing plate 341 along with the lifting seat 41, connecting the pressing plate assembly 34 of the sub-clamp 3 with the lifting seat 41, and completing the placing and installation of the sub-clamp 3;
opening the machine cover 2, placing a 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, downwards pressing the circuit board to be tested by the pressing rod 343, connecting the circuit board to be tested with the needle plate 32, testing the circuit board to be tested, after the current circuit board to be tested is tested, opening the machine cover 2, taking out the circuit board to be tested, placing 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 circuit boards of other types need to be tested, the cover 2 is covered firstly, the lifting power mechanism 43 drives the lifting base 41 to descend, the output ends of the clamping cylinders 441 at the bottom of the lifting base 41 respectively retract inwards and drive the clamping blocks 442 to retract inwards, the clamping blocks 442 respectively loosen, support and clamp the periphery of the bottom of the pressing plate 341, the lifting power mechanism 43 drives the lifting base 41 to ascend and reset, the pressing plate assembly 34 is detached on the supporting plate 31, the sub-clamp 3 is pulled forwards, the opposite insertion needle assembly of the sub-clamp switching needle assembly 33 and the main clamp switching 45 is disconnected, the current whole sub-clamp 3 is taken out of the case 1, the current sub-clamp 3 is taken out, the putting and installing steps of the sub-clamp 3 are repeated, the sub-clamp 3 required by the detection of the circuit boards of other types is put in and installed, and the replacement of different sub-clamps 3 is completed;
the utility model discloses a change different sub-anchor clamps 3, can detect the circuit board of multiple different models fast, conveniently, need not extra check out test set, can reduce the detection cost, can be applicable to the detection of the circuit board of multiple different models well.
Of course, the above description is only the preferred embodiment of the present invention, so all the equivalent changes or modifications made by the structure, features and principles in accordance with the claims of the present invention are included in the claims of the present invention.